]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - sys/dev/cxgbe/t4_main.c
Merge ACPICA 20190329.
[FreeBSD/FreeBSD.git] / sys / dev / cxgbe / t4_main.c
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2011 Chelsio Communications, Inc.
5  * All rights reserved.
6  * Written by: Navdeep Parhar <np@FreeBSD.org>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include "opt_ddb.h"
34 #include "opt_inet.h"
35 #include "opt_inet6.h"
36 #include "opt_ratelimit.h"
37 #include "opt_rss.h"
38
39 #include <sys/param.h>
40 #include <sys/conf.h>
41 #include <sys/priv.h>
42 #include <sys/kernel.h>
43 #include <sys/bus.h>
44 #include <sys/module.h>
45 #include <sys/malloc.h>
46 #include <sys/queue.h>
47 #include <sys/taskqueue.h>
48 #include <sys/pciio.h>
49 #include <dev/pci/pcireg.h>
50 #include <dev/pci/pcivar.h>
51 #include <dev/pci/pci_private.h>
52 #include <sys/firmware.h>
53 #include <sys/sbuf.h>
54 #include <sys/smp.h>
55 #include <sys/socket.h>
56 #include <sys/sockio.h>
57 #include <sys/sysctl.h>
58 #include <net/ethernet.h>
59 #include <net/if.h>
60 #include <net/if_types.h>
61 #include <net/if_dl.h>
62 #include <net/if_vlan_var.h>
63 #ifdef RSS
64 #include <net/rss_config.h>
65 #endif
66 #include <netinet/in.h>
67 #include <netinet/ip.h>
68 #if defined(__i386__) || defined(__amd64__)
69 #include <machine/md_var.h>
70 #include <machine/cputypes.h>
71 #include <vm/vm.h>
72 #include <vm/pmap.h>
73 #endif
74 #include <crypto/rijndael/rijndael.h>
75 #ifdef DDB
76 #include <ddb/ddb.h>
77 #include <ddb/db_lex.h>
78 #endif
79
80 #include "common/common.h"
81 #include "common/t4_msg.h"
82 #include "common/t4_regs.h"
83 #include "common/t4_regs_values.h"
84 #include "cudbg/cudbg.h"
85 #include "t4_clip.h"
86 #include "t4_ioctl.h"
87 #include "t4_l2t.h"
88 #include "t4_mp_ring.h"
89 #include "t4_if.h"
90 #include "t4_smt.h"
91
92 /* T4 bus driver interface */
93 static int t4_probe(device_t);
94 static int t4_attach(device_t);
95 static int t4_detach(device_t);
96 static int t4_child_location_str(device_t, device_t, char *, size_t);
97 static int t4_ready(device_t);
98 static int t4_read_port_device(device_t, int, device_t *);
99 static device_method_t t4_methods[] = {
100         DEVMETHOD(device_probe,         t4_probe),
101         DEVMETHOD(device_attach,        t4_attach),
102         DEVMETHOD(device_detach,        t4_detach),
103
104         DEVMETHOD(bus_child_location_str, t4_child_location_str),
105
106         DEVMETHOD(t4_is_main_ready,     t4_ready),
107         DEVMETHOD(t4_read_port_device,  t4_read_port_device),
108
109         DEVMETHOD_END
110 };
111 static driver_t t4_driver = {
112         "t4nex",
113         t4_methods,
114         sizeof(struct adapter)
115 };
116
117
118 /* T4 port (cxgbe) interface */
119 static int cxgbe_probe(device_t);
120 static int cxgbe_attach(device_t);
121 static int cxgbe_detach(device_t);
122 device_method_t cxgbe_methods[] = {
123         DEVMETHOD(device_probe,         cxgbe_probe),
124         DEVMETHOD(device_attach,        cxgbe_attach),
125         DEVMETHOD(device_detach,        cxgbe_detach),
126         { 0, 0 }
127 };
128 static driver_t cxgbe_driver = {
129         "cxgbe",
130         cxgbe_methods,
131         sizeof(struct port_info)
132 };
133
134 /* T4 VI (vcxgbe) interface */
135 static int vcxgbe_probe(device_t);
136 static int vcxgbe_attach(device_t);
137 static int vcxgbe_detach(device_t);
138 static device_method_t vcxgbe_methods[] = {
139         DEVMETHOD(device_probe,         vcxgbe_probe),
140         DEVMETHOD(device_attach,        vcxgbe_attach),
141         DEVMETHOD(device_detach,        vcxgbe_detach),
142         { 0, 0 }
143 };
144 static driver_t vcxgbe_driver = {
145         "vcxgbe",
146         vcxgbe_methods,
147         sizeof(struct vi_info)
148 };
149
150 static d_ioctl_t t4_ioctl;
151
152 static struct cdevsw t4_cdevsw = {
153        .d_version = D_VERSION,
154        .d_ioctl = t4_ioctl,
155        .d_name = "t4nex",
156 };
157
158 /* T5 bus driver interface */
159 static int t5_probe(device_t);
160 static device_method_t t5_methods[] = {
161         DEVMETHOD(device_probe,         t5_probe),
162         DEVMETHOD(device_attach,        t4_attach),
163         DEVMETHOD(device_detach,        t4_detach),
164
165         DEVMETHOD(bus_child_location_str, t4_child_location_str),
166
167         DEVMETHOD(t4_is_main_ready,     t4_ready),
168         DEVMETHOD(t4_read_port_device,  t4_read_port_device),
169
170         DEVMETHOD_END
171 };
172 static driver_t t5_driver = {
173         "t5nex",
174         t5_methods,
175         sizeof(struct adapter)
176 };
177
178
179 /* T5 port (cxl) interface */
180 static driver_t cxl_driver = {
181         "cxl",
182         cxgbe_methods,
183         sizeof(struct port_info)
184 };
185
186 /* T5 VI (vcxl) interface */
187 static driver_t vcxl_driver = {
188         "vcxl",
189         vcxgbe_methods,
190         sizeof(struct vi_info)
191 };
192
193 /* T6 bus driver interface */
194 static int t6_probe(device_t);
195 static device_method_t t6_methods[] = {
196         DEVMETHOD(device_probe,         t6_probe),
197         DEVMETHOD(device_attach,        t4_attach),
198         DEVMETHOD(device_detach,        t4_detach),
199
200         DEVMETHOD(bus_child_location_str, t4_child_location_str),
201
202         DEVMETHOD(t4_is_main_ready,     t4_ready),
203         DEVMETHOD(t4_read_port_device,  t4_read_port_device),
204
205         DEVMETHOD_END
206 };
207 static driver_t t6_driver = {
208         "t6nex",
209         t6_methods,
210         sizeof(struct adapter)
211 };
212
213
214 /* T6 port (cc) interface */
215 static driver_t cc_driver = {
216         "cc",
217         cxgbe_methods,
218         sizeof(struct port_info)
219 };
220
221 /* T6 VI (vcc) interface */
222 static driver_t vcc_driver = {
223         "vcc",
224         vcxgbe_methods,
225         sizeof(struct vi_info)
226 };
227
228 /* ifnet interface */
229 static void cxgbe_init(void *);
230 static int cxgbe_ioctl(struct ifnet *, unsigned long, caddr_t);
231 static int cxgbe_transmit(struct ifnet *, struct mbuf *);
232 static void cxgbe_qflush(struct ifnet *);
233
234 MALLOC_DEFINE(M_CXGBE, "cxgbe", "Chelsio T4/T5 Ethernet driver and services");
235
236 /*
237  * Correct lock order when you need to acquire multiple locks is t4_list_lock,
238  * then ADAPTER_LOCK, then t4_uld_list_lock.
239  */
240 static struct sx t4_list_lock;
241 SLIST_HEAD(, adapter) t4_list;
242 #ifdef TCP_OFFLOAD
243 static struct sx t4_uld_list_lock;
244 SLIST_HEAD(, uld_info) t4_uld_list;
245 #endif
246
247 /*
248  * Tunables.  See tweak_tunables() too.
249  *
250  * Each tunable is set to a default value here if it's known at compile-time.
251  * Otherwise it is set to -n as an indication to tweak_tunables() that it should
252  * provide a reasonable default (upto n) when the driver is loaded.
253  *
254  * Tunables applicable to both T4 and T5 are under hw.cxgbe.  Those specific to
255  * T5 are under hw.cxl.
256  */
257 SYSCTL_NODE(_hw, OID_AUTO, cxgbe, CTLFLAG_RD, 0, "cxgbe(4) parameters");
258 SYSCTL_NODE(_hw, OID_AUTO, cxl, CTLFLAG_RD, 0, "cxgbe(4) T5+ parameters");
259 SYSCTL_NODE(_hw_cxgbe, OID_AUTO, toe, CTLFLAG_RD, 0, "cxgbe(4) TOE parameters");
260
261 /*
262  * Number of queues for tx and rx, NIC and offload.
263  */
264 #define NTXQ 16
265 int t4_ntxq = -NTXQ;
266 SYSCTL_INT(_hw_cxgbe, OID_AUTO, ntxq, CTLFLAG_RDTUN, &t4_ntxq, 0,
267     "Number of TX queues per port");
268 TUNABLE_INT("hw.cxgbe.ntxq10g", &t4_ntxq);      /* Old name, undocumented */
269
270 #define NRXQ 8
271 int t4_nrxq = -NRXQ;
272 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nrxq, CTLFLAG_RDTUN, &t4_nrxq, 0,
273     "Number of RX queues per port");
274 TUNABLE_INT("hw.cxgbe.nrxq10g", &t4_nrxq);      /* Old name, undocumented */
275
276 #define NTXQ_VI 1
277 static int t4_ntxq_vi = -NTXQ_VI;
278 SYSCTL_INT(_hw_cxgbe, OID_AUTO, ntxq_vi, CTLFLAG_RDTUN, &t4_ntxq_vi, 0,
279     "Number of TX queues per VI");
280
281 #define NRXQ_VI 1
282 static int t4_nrxq_vi = -NRXQ_VI;
283 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nrxq_vi, CTLFLAG_RDTUN, &t4_nrxq_vi, 0,
284     "Number of RX queues per VI");
285
286 static int t4_rsrv_noflowq = 0;
287 SYSCTL_INT(_hw_cxgbe, OID_AUTO, rsrv_noflowq, CTLFLAG_RDTUN, &t4_rsrv_noflowq,
288     0, "Reserve TX queue 0 of each VI for non-flowid packets");
289
290 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
291 #define NOFLDTXQ 8
292 static int t4_nofldtxq = -NOFLDTXQ;
293 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldtxq, CTLFLAG_RDTUN, &t4_nofldtxq, 0,
294     "Number of offload TX queues per port");
295
296 #define NOFLDRXQ 2
297 static int t4_nofldrxq = -NOFLDRXQ;
298 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldrxq, CTLFLAG_RDTUN, &t4_nofldrxq, 0,
299     "Number of offload RX queues per port");
300
301 #define NOFLDTXQ_VI 1
302 static int t4_nofldtxq_vi = -NOFLDTXQ_VI;
303 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldtxq_vi, CTLFLAG_RDTUN, &t4_nofldtxq_vi, 0,
304     "Number of offload TX queues per VI");
305
306 #define NOFLDRXQ_VI 1
307 static int t4_nofldrxq_vi = -NOFLDRXQ_VI;
308 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldrxq_vi, CTLFLAG_RDTUN, &t4_nofldrxq_vi, 0,
309     "Number of offload RX queues per VI");
310
311 #define TMR_IDX_OFLD 1
312 int t4_tmr_idx_ofld = TMR_IDX_OFLD;
313 SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_timer_idx_ofld, CTLFLAG_RDTUN,
314     &t4_tmr_idx_ofld, 0, "Holdoff timer index for offload queues");
315
316 #define PKTC_IDX_OFLD (-1)
317 int t4_pktc_idx_ofld = PKTC_IDX_OFLD;
318 SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_pktc_idx_ofld, CTLFLAG_RDTUN,
319     &t4_pktc_idx_ofld, 0, "holdoff packet counter index for offload queues");
320
321 /* 0 means chip/fw default, non-zero number is value in microseconds */
322 static u_long t4_toe_keepalive_idle = 0;
323 SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, keepalive_idle, CTLFLAG_RDTUN,
324     &t4_toe_keepalive_idle, 0, "TOE keepalive idle timer (us)");
325
326 /* 0 means chip/fw default, non-zero number is value in microseconds */
327 static u_long t4_toe_keepalive_interval = 0;
328 SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, keepalive_interval, CTLFLAG_RDTUN,
329     &t4_toe_keepalive_interval, 0, "TOE keepalive interval timer (us)");
330
331 /* 0 means chip/fw default, non-zero number is # of keepalives before abort */
332 static int t4_toe_keepalive_count = 0;
333 SYSCTL_INT(_hw_cxgbe_toe, OID_AUTO, keepalive_count, CTLFLAG_RDTUN,
334     &t4_toe_keepalive_count, 0, "Number of TOE keepalive probes before abort");
335
336 /* 0 means chip/fw default, non-zero number is value in microseconds */
337 static u_long t4_toe_rexmt_min = 0;
338 SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, rexmt_min, CTLFLAG_RDTUN,
339     &t4_toe_rexmt_min, 0, "Minimum TOE retransmit interval (us)");
340
341 /* 0 means chip/fw default, non-zero number is value in microseconds */
342 static u_long t4_toe_rexmt_max = 0;
343 SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, rexmt_max, CTLFLAG_RDTUN,
344     &t4_toe_rexmt_max, 0, "Maximum TOE retransmit interval (us)");
345
346 /* 0 means chip/fw default, non-zero number is # of rexmt before abort */
347 static int t4_toe_rexmt_count = 0;
348 SYSCTL_INT(_hw_cxgbe_toe, OID_AUTO, rexmt_count, CTLFLAG_RDTUN,
349     &t4_toe_rexmt_count, 0, "Number of TOE retransmissions before abort");
350
351 /* -1 means chip/fw default, other values are raw backoff values to use */
352 static int t4_toe_rexmt_backoff[16] = {
353         -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
354 };
355 SYSCTL_NODE(_hw_cxgbe_toe, OID_AUTO, rexmt_backoff, CTLFLAG_RD, 0,
356     "cxgbe(4) TOE retransmit backoff values");
357 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 0, CTLFLAG_RDTUN,
358     &t4_toe_rexmt_backoff[0], 0, "");
359 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 1, CTLFLAG_RDTUN,
360     &t4_toe_rexmt_backoff[1], 0, "");
361 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 2, CTLFLAG_RDTUN,
362     &t4_toe_rexmt_backoff[2], 0, "");
363 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 3, CTLFLAG_RDTUN,
364     &t4_toe_rexmt_backoff[3], 0, "");
365 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 4, CTLFLAG_RDTUN,
366     &t4_toe_rexmt_backoff[4], 0, "");
367 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 5, CTLFLAG_RDTUN,
368     &t4_toe_rexmt_backoff[5], 0, "");
369 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 6, CTLFLAG_RDTUN,
370     &t4_toe_rexmt_backoff[6], 0, "");
371 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 7, CTLFLAG_RDTUN,
372     &t4_toe_rexmt_backoff[7], 0, "");
373 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 8, CTLFLAG_RDTUN,
374     &t4_toe_rexmt_backoff[8], 0, "");
375 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 9, CTLFLAG_RDTUN,
376     &t4_toe_rexmt_backoff[9], 0, "");
377 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 10, CTLFLAG_RDTUN,
378     &t4_toe_rexmt_backoff[10], 0, "");
379 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 11, CTLFLAG_RDTUN,
380     &t4_toe_rexmt_backoff[11], 0, "");
381 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 12, CTLFLAG_RDTUN,
382     &t4_toe_rexmt_backoff[12], 0, "");
383 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 13, CTLFLAG_RDTUN,
384     &t4_toe_rexmt_backoff[13], 0, "");
385 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 14, CTLFLAG_RDTUN,
386     &t4_toe_rexmt_backoff[14], 0, "");
387 SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 15, CTLFLAG_RDTUN,
388     &t4_toe_rexmt_backoff[15], 0, "");
389 #endif
390
391 #ifdef DEV_NETMAP
392 #define NNMTXQ_VI 2
393 static int t4_nnmtxq_vi = -NNMTXQ_VI;
394 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmtxq_vi, CTLFLAG_RDTUN, &t4_nnmtxq_vi, 0,
395     "Number of netmap TX queues per VI");
396
397 #define NNMRXQ_VI 2
398 static int t4_nnmrxq_vi = -NNMRXQ_VI;
399 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmrxq_vi, CTLFLAG_RDTUN, &t4_nnmrxq_vi, 0,
400     "Number of netmap RX queues per VI");
401 #endif
402
403 /*
404  * Holdoff parameters for ports.
405  */
406 #define TMR_IDX 1
407 int t4_tmr_idx = TMR_IDX;
408 SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_timer_idx, CTLFLAG_RDTUN, &t4_tmr_idx,
409     0, "Holdoff timer index");
410 TUNABLE_INT("hw.cxgbe.holdoff_timer_idx_10G", &t4_tmr_idx);     /* Old name */
411
412 #define PKTC_IDX (-1)
413 int t4_pktc_idx = PKTC_IDX;
414 SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_pktc_idx, CTLFLAG_RDTUN, &t4_pktc_idx,
415     0, "Holdoff packet counter index");
416 TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx_10G", &t4_pktc_idx);     /* Old name */
417
418 /*
419  * Size (# of entries) of each tx and rx queue.
420  */
421 unsigned int t4_qsize_txq = TX_EQ_QSIZE;
422 SYSCTL_INT(_hw_cxgbe, OID_AUTO, qsize_txq, CTLFLAG_RDTUN, &t4_qsize_txq, 0,
423     "Number of descriptors in each TX queue");
424
425 unsigned int t4_qsize_rxq = RX_IQ_QSIZE;
426 SYSCTL_INT(_hw_cxgbe, OID_AUTO, qsize_rxq, CTLFLAG_RDTUN, &t4_qsize_rxq, 0,
427     "Number of descriptors in each RX queue");
428
429 /*
430  * Interrupt types allowed (bits 0, 1, 2 = INTx, MSI, MSI-X respectively).
431  */
432 int t4_intr_types = INTR_MSIX | INTR_MSI | INTR_INTX;
433 SYSCTL_INT(_hw_cxgbe, OID_AUTO, interrupt_types, CTLFLAG_RDTUN, &t4_intr_types,
434     0, "Interrupt types allowed (bit 0 = INTx, 1 = MSI, 2 = MSI-X)");
435
436 /*
437  * Configuration file.  All the _CF names here are special.
438  */
439 #define DEFAULT_CF      "default"
440 #define BUILTIN_CF      "built-in"
441 #define FLASH_CF        "flash"
442 #define UWIRE_CF        "uwire"
443 #define FPGA_CF         "fpga"
444 static char t4_cfg_file[32] = DEFAULT_CF;
445 SYSCTL_STRING(_hw_cxgbe, OID_AUTO, config_file, CTLFLAG_RDTUN, t4_cfg_file,
446     sizeof(t4_cfg_file), "Firmware configuration file");
447
448 /*
449  * PAUSE settings (bit 0, 1, 2 = rx_pause, tx_pause, pause_autoneg respectively).
450  * rx_pause = 1 to heed incoming PAUSE frames, 0 to ignore them.
451  * tx_pause = 1 to emit PAUSE frames when the rx FIFO reaches its high water
452  *            mark or when signalled to do so, 0 to never emit PAUSE.
453  * pause_autoneg = 1 means PAUSE will be negotiated if possible and the
454  *                 negotiated settings will override rx_pause/tx_pause.
455  *                 Otherwise rx_pause/tx_pause are applied forcibly.
456  */
457 static int t4_pause_settings = PAUSE_RX | PAUSE_TX | PAUSE_AUTONEG;
458 SYSCTL_INT(_hw_cxgbe, OID_AUTO, pause_settings, CTLFLAG_RDTUN,
459     &t4_pause_settings, 0,
460     "PAUSE settings (bit 0 = rx_pause, 1 = tx_pause, 2 = pause_autoneg)");
461
462 /*
463  * Forward Error Correction settings (bit 0, 1 = RS, BASER respectively).
464  * -1 to run with the firmware default.  Same as FEC_AUTO (bit 5)
465  *  0 to disable FEC.
466  */
467 static int t4_fec = -1;
468 SYSCTL_INT(_hw_cxgbe, OID_AUTO, fec, CTLFLAG_RDTUN, &t4_fec, 0,
469     "Forward Error Correction (bit 0 = RS, bit 1 = BASER_RS)");
470
471 /*
472  * Link autonegotiation.
473  * -1 to run with the firmware default.
474  *  0 to disable.
475  *  1 to enable.
476  */
477 static int t4_autoneg = -1;
478 SYSCTL_INT(_hw_cxgbe, OID_AUTO, autoneg, CTLFLAG_RDTUN, &t4_autoneg, 0,
479     "Link autonegotiation");
480
481 /*
482  * Firmware auto-install by driver during attach (0, 1, 2 = prohibited, allowed,
483  * encouraged respectively).  '-n' is the same as 'n' except the firmware
484  * version used in the checks is read from the firmware bundled with the driver.
485  */
486 static int t4_fw_install = 1;
487 SYSCTL_INT(_hw_cxgbe, OID_AUTO, fw_install, CTLFLAG_RDTUN, &t4_fw_install, 0,
488     "Firmware auto-install (0 = prohibited, 1 = allowed, 2 = encouraged)");
489
490 /*
491  * ASIC features that will be used.  Disable the ones you don't want so that the
492  * chip resources aren't wasted on features that will not be used.
493  */
494 static int t4_nbmcaps_allowed = 0;
495 SYSCTL_INT(_hw_cxgbe, OID_AUTO, nbmcaps_allowed, CTLFLAG_RDTUN,
496     &t4_nbmcaps_allowed, 0, "Default NBM capabilities");
497
498 static int t4_linkcaps_allowed = 0;     /* No DCBX, PPP, etc. by default */
499 SYSCTL_INT(_hw_cxgbe, OID_AUTO, linkcaps_allowed, CTLFLAG_RDTUN,
500     &t4_linkcaps_allowed, 0, "Default link capabilities");
501
502 static int t4_switchcaps_allowed = FW_CAPS_CONFIG_SWITCH_INGRESS |
503     FW_CAPS_CONFIG_SWITCH_EGRESS;
504 SYSCTL_INT(_hw_cxgbe, OID_AUTO, switchcaps_allowed, CTLFLAG_RDTUN,
505     &t4_switchcaps_allowed, 0, "Default switch capabilities");
506
507 #ifdef RATELIMIT
508 static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC |
509         FW_CAPS_CONFIG_NIC_HASHFILTER | FW_CAPS_CONFIG_NIC_ETHOFLD;
510 #else
511 static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC |
512         FW_CAPS_CONFIG_NIC_HASHFILTER;
513 #endif
514 SYSCTL_INT(_hw_cxgbe, OID_AUTO, niccaps_allowed, CTLFLAG_RDTUN,
515     &t4_niccaps_allowed, 0, "Default NIC capabilities");
516
517 static int t4_toecaps_allowed = -1;
518 SYSCTL_INT(_hw_cxgbe, OID_AUTO, toecaps_allowed, CTLFLAG_RDTUN,
519     &t4_toecaps_allowed, 0, "Default TCP offload capabilities");
520
521 static int t4_rdmacaps_allowed = -1;
522 SYSCTL_INT(_hw_cxgbe, OID_AUTO, rdmacaps_allowed, CTLFLAG_RDTUN,
523     &t4_rdmacaps_allowed, 0, "Default RDMA capabilities");
524
525 static int t4_cryptocaps_allowed = -1;
526 SYSCTL_INT(_hw_cxgbe, OID_AUTO, cryptocaps_allowed, CTLFLAG_RDTUN,
527     &t4_cryptocaps_allowed, 0, "Default crypto capabilities");
528
529 static int t4_iscsicaps_allowed = -1;
530 SYSCTL_INT(_hw_cxgbe, OID_AUTO, iscsicaps_allowed, CTLFLAG_RDTUN,
531     &t4_iscsicaps_allowed, 0, "Default iSCSI capabilities");
532
533 static int t4_fcoecaps_allowed = 0;
534 SYSCTL_INT(_hw_cxgbe, OID_AUTO, fcoecaps_allowed, CTLFLAG_RDTUN,
535     &t4_fcoecaps_allowed, 0, "Default FCoE capabilities");
536
537 static int t5_write_combine = 0;
538 SYSCTL_INT(_hw_cxl, OID_AUTO, write_combine, CTLFLAG_RDTUN, &t5_write_combine,
539     0, "Use WC instead of UC for BAR2");
540
541 static int t4_num_vis = 1;
542 SYSCTL_INT(_hw_cxgbe, OID_AUTO, num_vis, CTLFLAG_RDTUN, &t4_num_vis, 0,
543     "Number of VIs per port");
544
545 /*
546  * PCIe Relaxed Ordering.
547  * -1: driver should figure out a good value.
548  * 0: disable RO.
549  * 1: enable RO.
550  * 2: leave RO alone.
551  */
552 static int pcie_relaxed_ordering = -1;
553 SYSCTL_INT(_hw_cxgbe, OID_AUTO, pcie_relaxed_ordering, CTLFLAG_RDTUN,
554     &pcie_relaxed_ordering, 0,
555     "PCIe Relaxed Ordering: 0 = disable, 1 = enable, 2 = leave alone");
556
557 static int t4_panic_on_fatal_err = 0;
558 SYSCTL_INT(_hw_cxgbe, OID_AUTO, panic_on_fatal_err, CTLFLAG_RDTUN,
559     &t4_panic_on_fatal_err, 0, "panic on fatal errors");
560
561 #ifdef TCP_OFFLOAD
562 /*
563  * TOE tunables.
564  */
565 static int t4_cop_managed_offloading = 0;
566 SYSCTL_INT(_hw_cxgbe, OID_AUTO, cop_managed_offloading, CTLFLAG_RDTUN,
567     &t4_cop_managed_offloading, 0,
568     "COP (Connection Offload Policy) controls all TOE offload");
569 #endif
570
571 /* Functions used by VIs to obtain unique MAC addresses for each VI. */
572 static int vi_mac_funcs[] = {
573         FW_VI_FUNC_ETH,
574         FW_VI_FUNC_OFLD,
575         FW_VI_FUNC_IWARP,
576         FW_VI_FUNC_OPENISCSI,
577         FW_VI_FUNC_OPENFCOE,
578         FW_VI_FUNC_FOISCSI,
579         FW_VI_FUNC_FOFCOE,
580 };
581
582 struct intrs_and_queues {
583         uint16_t intr_type;     /* INTx, MSI, or MSI-X */
584         uint16_t num_vis;       /* number of VIs for each port */
585         uint16_t nirq;          /* Total # of vectors */
586         uint16_t ntxq;          /* # of NIC txq's for each port */
587         uint16_t nrxq;          /* # of NIC rxq's for each port */
588         uint16_t nofldtxq;      /* # of TOE/ETHOFLD txq's for each port */
589         uint16_t nofldrxq;      /* # of TOE rxq's for each port */
590
591         /* The vcxgbe/vcxl interfaces use these and not the ones above. */
592         uint16_t ntxq_vi;       /* # of NIC txq's */
593         uint16_t nrxq_vi;       /* # of NIC rxq's */
594         uint16_t nofldtxq_vi;   /* # of TOE txq's */
595         uint16_t nofldrxq_vi;   /* # of TOE rxq's */
596         uint16_t nnmtxq_vi;     /* # of netmap txq's */
597         uint16_t nnmrxq_vi;     /* # of netmap rxq's */
598 };
599
600 static void setup_memwin(struct adapter *);
601 static void position_memwin(struct adapter *, int, uint32_t);
602 static int validate_mem_range(struct adapter *, uint32_t, uint32_t);
603 static int fwmtype_to_hwmtype(int);
604 static int validate_mt_off_len(struct adapter *, int, uint32_t, uint32_t,
605     uint32_t *);
606 static int fixup_devlog_params(struct adapter *);
607 static int cfg_itype_and_nqueues(struct adapter *, struct intrs_and_queues *);
608 static int contact_firmware(struct adapter *);
609 static int partition_resources(struct adapter *);
610 static int get_params__pre_init(struct adapter *);
611 static int set_params__pre_init(struct adapter *);
612 static int get_params__post_init(struct adapter *);
613 static int set_params__post_init(struct adapter *);
614 static void t4_set_desc(struct adapter *);
615 static bool fixed_ifmedia(struct port_info *);
616 static void build_medialist(struct port_info *);
617 static void init_link_config(struct port_info *);
618 static int fixup_link_config(struct port_info *);
619 static int apply_link_config(struct port_info *);
620 static int cxgbe_init_synchronized(struct vi_info *);
621 static int cxgbe_uninit_synchronized(struct vi_info *);
622 static void quiesce_txq(struct adapter *, struct sge_txq *);
623 static void quiesce_wrq(struct adapter *, struct sge_wrq *);
624 static void quiesce_iq(struct adapter *, struct sge_iq *);
625 static void quiesce_fl(struct adapter *, struct sge_fl *);
626 static int t4_alloc_irq(struct adapter *, struct irq *, int rid,
627     driver_intr_t *, void *, char *);
628 static int t4_free_irq(struct adapter *, struct irq *);
629 static void get_regs(struct adapter *, struct t4_regdump *, uint8_t *);
630 static void vi_refresh_stats(struct adapter *, struct vi_info *);
631 static void cxgbe_refresh_stats(struct adapter *, struct port_info *);
632 static void cxgbe_tick(void *);
633 static void cxgbe_sysctls(struct port_info *);
634 static int sysctl_int_array(SYSCTL_HANDLER_ARGS);
635 static int sysctl_bitfield_8b(SYSCTL_HANDLER_ARGS);
636 static int sysctl_bitfield_16b(SYSCTL_HANDLER_ARGS);
637 static int sysctl_btphy(SYSCTL_HANDLER_ARGS);
638 static int sysctl_noflowq(SYSCTL_HANDLER_ARGS);
639 static int sysctl_holdoff_tmr_idx(SYSCTL_HANDLER_ARGS);
640 static int sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS);
641 static int sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS);
642 static int sysctl_qsize_txq(SYSCTL_HANDLER_ARGS);
643 static int sysctl_pause_settings(SYSCTL_HANDLER_ARGS);
644 static int sysctl_fec(SYSCTL_HANDLER_ARGS);
645 static int sysctl_autoneg(SYSCTL_HANDLER_ARGS);
646 static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS);
647 static int sysctl_temperature(SYSCTL_HANDLER_ARGS);
648 static int sysctl_loadavg(SYSCTL_HANDLER_ARGS);
649 static int sysctl_cctrl(SYSCTL_HANDLER_ARGS);
650 static int sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS);
651 static int sysctl_cim_la(SYSCTL_HANDLER_ARGS);
652 static int sysctl_cim_ma_la(SYSCTL_HANDLER_ARGS);
653 static int sysctl_cim_pif_la(SYSCTL_HANDLER_ARGS);
654 static int sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS);
655 static int sysctl_cpl_stats(SYSCTL_HANDLER_ARGS);
656 static int sysctl_ddp_stats(SYSCTL_HANDLER_ARGS);
657 static int sysctl_devlog(SYSCTL_HANDLER_ARGS);
658 static int sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS);
659 static int sysctl_hw_sched(SYSCTL_HANDLER_ARGS);
660 static int sysctl_lb_stats(SYSCTL_HANDLER_ARGS);
661 static int sysctl_linkdnrc(SYSCTL_HANDLER_ARGS);
662 static int sysctl_meminfo(SYSCTL_HANDLER_ARGS);
663 static int sysctl_mps_tcam(SYSCTL_HANDLER_ARGS);
664 static int sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS);
665 static int sysctl_path_mtus(SYSCTL_HANDLER_ARGS);
666 static int sysctl_pm_stats(SYSCTL_HANDLER_ARGS);
667 static int sysctl_rdma_stats(SYSCTL_HANDLER_ARGS);
668 static int sysctl_tcp_stats(SYSCTL_HANDLER_ARGS);
669 static int sysctl_tids(SYSCTL_HANDLER_ARGS);
670 static int sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS);
671 static int sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS);
672 static int sysctl_tp_la(SYSCTL_HANDLER_ARGS);
673 static int sysctl_tx_rate(SYSCTL_HANDLER_ARGS);
674 static int sysctl_ulprx_la(SYSCTL_HANDLER_ARGS);
675 static int sysctl_wcwr_stats(SYSCTL_HANDLER_ARGS);
676 static int sysctl_cpus(SYSCTL_HANDLER_ARGS);
677 #ifdef TCP_OFFLOAD
678 static int sysctl_tls_rx_ports(SYSCTL_HANDLER_ARGS);
679 static int sysctl_tp_tick(SYSCTL_HANDLER_ARGS);
680 static int sysctl_tp_dack_timer(SYSCTL_HANDLER_ARGS);
681 static int sysctl_tp_timer(SYSCTL_HANDLER_ARGS);
682 static int sysctl_tp_shift_cnt(SYSCTL_HANDLER_ARGS);
683 static int sysctl_tp_backoff(SYSCTL_HANDLER_ARGS);
684 static int sysctl_holdoff_tmr_idx_ofld(SYSCTL_HANDLER_ARGS);
685 static int sysctl_holdoff_pktc_idx_ofld(SYSCTL_HANDLER_ARGS);
686 #endif
687 static int get_sge_context(struct adapter *, struct t4_sge_context *);
688 static int load_fw(struct adapter *, struct t4_data *);
689 static int load_cfg(struct adapter *, struct t4_data *);
690 static int load_boot(struct adapter *, struct t4_bootrom *);
691 static int load_bootcfg(struct adapter *, struct t4_data *);
692 static int cudbg_dump(struct adapter *, struct t4_cudbg_dump *);
693 static void free_offload_policy(struct t4_offload_policy *);
694 static int set_offload_policy(struct adapter *, struct t4_offload_policy *);
695 static int read_card_mem(struct adapter *, int, struct t4_mem_range *);
696 static int read_i2c(struct adapter *, struct t4_i2c_data *);
697 #ifdef TCP_OFFLOAD
698 static int toe_capability(struct vi_info *, int);
699 #endif
700 static int mod_event(module_t, int, void *);
701 static int notify_siblings(device_t, int);
702
703 struct {
704         uint16_t device;
705         char *desc;
706 } t4_pciids[] = {
707         {0xa000, "Chelsio Terminator 4 FPGA"},
708         {0x4400, "Chelsio T440-dbg"},
709         {0x4401, "Chelsio T420-CR"},
710         {0x4402, "Chelsio T422-CR"},
711         {0x4403, "Chelsio T440-CR"},
712         {0x4404, "Chelsio T420-BCH"},
713         {0x4405, "Chelsio T440-BCH"},
714         {0x4406, "Chelsio T440-CH"},
715         {0x4407, "Chelsio T420-SO"},
716         {0x4408, "Chelsio T420-CX"},
717         {0x4409, "Chelsio T420-BT"},
718         {0x440a, "Chelsio T404-BT"},
719         {0x440e, "Chelsio T440-LP-CR"},
720 }, t5_pciids[] = {
721         {0xb000, "Chelsio Terminator 5 FPGA"},
722         {0x5400, "Chelsio T580-dbg"},
723         {0x5401,  "Chelsio T520-CR"},           /* 2 x 10G */
724         {0x5402,  "Chelsio T522-CR"},           /* 2 x 10G, 2 X 1G */
725         {0x5403,  "Chelsio T540-CR"},           /* 4 x 10G */
726         {0x5407,  "Chelsio T520-SO"},           /* 2 x 10G, nomem */
727         {0x5409,  "Chelsio T520-BT"},           /* 2 x 10GBaseT */
728         {0x540a,  "Chelsio T504-BT"},           /* 4 x 1G */
729         {0x540d,  "Chelsio T580-CR"},           /* 2 x 40G */
730         {0x540e,  "Chelsio T540-LP-CR"},        /* 4 x 10G */
731         {0x5410,  "Chelsio T580-LP-CR"},        /* 2 x 40G */
732         {0x5411,  "Chelsio T520-LL-CR"},        /* 2 x 10G */
733         {0x5412,  "Chelsio T560-CR"},           /* 1 x 40G, 2 x 10G */
734         {0x5414,  "Chelsio T580-LP-SO-CR"},     /* 2 x 40G, nomem */
735         {0x5415,  "Chelsio T502-BT"},           /* 2 x 1G */
736         {0x5418,  "Chelsio T540-BT"},           /* 4 x 10GBaseT */
737         {0x5419,  "Chelsio T540-LP-BT"},        /* 4 x 10GBaseT */
738         {0x541a,  "Chelsio T540-SO-BT"},        /* 4 x 10GBaseT, nomem */
739         {0x541b,  "Chelsio T540-SO-CR"},        /* 4 x 10G, nomem */
740
741         /* Custom */
742         {0x5483, "Custom T540-CR"},
743         {0x5484, "Custom T540-BT"},
744 }, t6_pciids[] = {
745         {0xc006, "Chelsio Terminator 6 FPGA"},  /* T6 PE10K6 FPGA (PF0) */
746         {0x6400, "Chelsio T6-DBG-25"},          /* 2 x 10/25G, debug */
747         {0x6401, "Chelsio T6225-CR"},           /* 2 x 10/25G */
748         {0x6402, "Chelsio T6225-SO-CR"},        /* 2 x 10/25G, nomem */
749         {0x6403, "Chelsio T6425-CR"},           /* 4 x 10/25G */
750         {0x6404, "Chelsio T6425-SO-CR"},        /* 4 x 10/25G, nomem */
751         {0x6405, "Chelsio T6225-OCP-SO"},       /* 2 x 10/25G, nomem */
752         {0x6406, "Chelsio T62100-OCP-SO"},      /* 2 x 40/50/100G, nomem */
753         {0x6407, "Chelsio T62100-LP-CR"},       /* 2 x 40/50/100G */
754         {0x6408, "Chelsio T62100-SO-CR"},       /* 2 x 40/50/100G, nomem */
755         {0x6409, "Chelsio T6210-BT"},           /* 2 x 10GBASE-T */
756         {0x640d, "Chelsio T62100-CR"},          /* 2 x 40/50/100G */
757         {0x6410, "Chelsio T6-DBG-100"},         /* 2 x 40/50/100G, debug */
758         {0x6411, "Chelsio T6225-LL-CR"},        /* 2 x 10/25G */
759         {0x6414, "Chelsio T61100-OCP-SO"},      /* 1 x 40/50/100G, nomem */
760         {0x6415, "Chelsio T6201-BT"},           /* 2 x 1000BASE-T */
761
762         /* Custom */
763         {0x6480, "Custom T6225-CR"},
764         {0x6481, "Custom T62100-CR"},
765         {0x6482, "Custom T6225-CR"},
766         {0x6483, "Custom T62100-CR"},
767         {0x6484, "Custom T64100-CR"},
768         {0x6485, "Custom T6240-SO"},
769         {0x6486, "Custom T6225-SO-CR"},
770         {0x6487, "Custom T6225-CR"},
771 };
772
773 #ifdef TCP_OFFLOAD
774 /*
775  * service_iq_fl() has an iq and needs the fl.  Offset of fl from the iq should
776  * be exactly the same for both rxq and ofld_rxq.
777  */
778 CTASSERT(offsetof(struct sge_ofld_rxq, iq) == offsetof(struct sge_rxq, iq));
779 CTASSERT(offsetof(struct sge_ofld_rxq, fl) == offsetof(struct sge_rxq, fl));
780 #endif
781 CTASSERT(sizeof(struct cluster_metadata) <= CL_METADATA_SIZE);
782
783 static int
784 t4_probe(device_t dev)
785 {
786         int i;
787         uint16_t v = pci_get_vendor(dev);
788         uint16_t d = pci_get_device(dev);
789         uint8_t f = pci_get_function(dev);
790
791         if (v != PCI_VENDOR_ID_CHELSIO)
792                 return (ENXIO);
793
794         /* Attach only to PF0 of the FPGA */
795         if (d == 0xa000 && f != 0)
796                 return (ENXIO);
797
798         for (i = 0; i < nitems(t4_pciids); i++) {
799                 if (d == t4_pciids[i].device) {
800                         device_set_desc(dev, t4_pciids[i].desc);
801                         return (BUS_PROBE_DEFAULT);
802                 }
803         }
804
805         return (ENXIO);
806 }
807
808 static int
809 t5_probe(device_t dev)
810 {
811         int i;
812         uint16_t v = pci_get_vendor(dev);
813         uint16_t d = pci_get_device(dev);
814         uint8_t f = pci_get_function(dev);
815
816         if (v != PCI_VENDOR_ID_CHELSIO)
817                 return (ENXIO);
818
819         /* Attach only to PF0 of the FPGA */
820         if (d == 0xb000 && f != 0)
821                 return (ENXIO);
822
823         for (i = 0; i < nitems(t5_pciids); i++) {
824                 if (d == t5_pciids[i].device) {
825                         device_set_desc(dev, t5_pciids[i].desc);
826                         return (BUS_PROBE_DEFAULT);
827                 }
828         }
829
830         return (ENXIO);
831 }
832
833 static int
834 t6_probe(device_t dev)
835 {
836         int i;
837         uint16_t v = pci_get_vendor(dev);
838         uint16_t d = pci_get_device(dev);
839
840         if (v != PCI_VENDOR_ID_CHELSIO)
841                 return (ENXIO);
842
843         for (i = 0; i < nitems(t6_pciids); i++) {
844                 if (d == t6_pciids[i].device) {
845                         device_set_desc(dev, t6_pciids[i].desc);
846                         return (BUS_PROBE_DEFAULT);
847                 }
848         }
849
850         return (ENXIO);
851 }
852
853 static void
854 t5_attribute_workaround(device_t dev)
855 {
856         device_t root_port;
857         uint32_t v;
858
859         /*
860          * The T5 chips do not properly echo the No Snoop and Relaxed
861          * Ordering attributes when replying to a TLP from a Root
862          * Port.  As a workaround, find the parent Root Port and
863          * disable No Snoop and Relaxed Ordering.  Note that this
864          * affects all devices under this root port.
865          */
866         root_port = pci_find_pcie_root_port(dev);
867         if (root_port == NULL) {
868                 device_printf(dev, "Unable to find parent root port\n");
869                 return;
870         }
871
872         v = pcie_adjust_config(root_port, PCIER_DEVICE_CTL,
873             PCIEM_CTL_RELAXED_ORD_ENABLE | PCIEM_CTL_NOSNOOP_ENABLE, 0, 2);
874         if ((v & (PCIEM_CTL_RELAXED_ORD_ENABLE | PCIEM_CTL_NOSNOOP_ENABLE)) !=
875             0)
876                 device_printf(dev, "Disabled No Snoop/Relaxed Ordering on %s\n",
877                     device_get_nameunit(root_port));
878 }
879
880 static const struct devnames devnames[] = {
881         {
882                 .nexus_name = "t4nex",
883                 .ifnet_name = "cxgbe",
884                 .vi_ifnet_name = "vcxgbe",
885                 .pf03_drv_name = "t4iov",
886                 .vf_nexus_name = "t4vf",
887                 .vf_ifnet_name = "cxgbev"
888         }, {
889                 .nexus_name = "t5nex",
890                 .ifnet_name = "cxl",
891                 .vi_ifnet_name = "vcxl",
892                 .pf03_drv_name = "t5iov",
893                 .vf_nexus_name = "t5vf",
894                 .vf_ifnet_name = "cxlv"
895         }, {
896                 .nexus_name = "t6nex",
897                 .ifnet_name = "cc",
898                 .vi_ifnet_name = "vcc",
899                 .pf03_drv_name = "t6iov",
900                 .vf_nexus_name = "t6vf",
901                 .vf_ifnet_name = "ccv"
902         }
903 };
904
905 void
906 t4_init_devnames(struct adapter *sc)
907 {
908         int id;
909
910         id = chip_id(sc);
911         if (id >= CHELSIO_T4 && id - CHELSIO_T4 < nitems(devnames))
912                 sc->names = &devnames[id - CHELSIO_T4];
913         else {
914                 device_printf(sc->dev, "chip id %d is not supported.\n", id);
915                 sc->names = NULL;
916         }
917 }
918
919 static int
920 t4_ifnet_unit(struct adapter *sc, struct port_info *pi)
921 {
922         const char *parent, *name;
923         long value;
924         int line, unit;
925
926         line = 0;
927         parent = device_get_nameunit(sc->dev);
928         name = sc->names->ifnet_name;
929         while (resource_find_dev(&line, name, &unit, "at", parent) == 0) {
930                 if (resource_long_value(name, unit, "port", &value) == 0 &&
931                     value == pi->port_id)
932                         return (unit);
933         }
934         return (-1);
935 }
936
937 static int
938 t4_attach(device_t dev)
939 {
940         struct adapter *sc;
941         int rc = 0, i, j, rqidx, tqidx, nports;
942         struct make_dev_args mda;
943         struct intrs_and_queues iaq;
944         struct sge *s;
945         uint32_t *buf;
946 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
947         int ofld_tqidx;
948 #endif
949 #ifdef TCP_OFFLOAD
950         int ofld_rqidx;
951 #endif
952 #ifdef DEV_NETMAP
953         int nm_rqidx, nm_tqidx;
954 #endif
955         int num_vis;
956
957         sc = device_get_softc(dev);
958         sc->dev = dev;
959         TUNABLE_INT_FETCH("hw.cxgbe.dflags", &sc->debug_flags);
960
961         if ((pci_get_device(dev) & 0xff00) == 0x5400)
962                 t5_attribute_workaround(dev);
963         pci_enable_busmaster(dev);
964         if (pci_find_cap(dev, PCIY_EXPRESS, &i) == 0) {
965                 uint32_t v;
966
967                 pci_set_max_read_req(dev, 4096);
968                 v = pci_read_config(dev, i + PCIER_DEVICE_CTL, 2);
969                 sc->params.pci.mps = 128 << ((v & PCIEM_CTL_MAX_PAYLOAD) >> 5);
970                 if (pcie_relaxed_ordering == 0 &&
971                     (v & PCIEM_CTL_RELAXED_ORD_ENABLE) != 0) {
972                         v &= ~PCIEM_CTL_RELAXED_ORD_ENABLE;
973                         pci_write_config(dev, i + PCIER_DEVICE_CTL, v, 2);
974                 } else if (pcie_relaxed_ordering == 1 &&
975                     (v & PCIEM_CTL_RELAXED_ORD_ENABLE) == 0) {
976                         v |= PCIEM_CTL_RELAXED_ORD_ENABLE;
977                         pci_write_config(dev, i + PCIER_DEVICE_CTL, v, 2);
978                 }
979         }
980
981         sc->sge_gts_reg = MYPF_REG(A_SGE_PF_GTS);
982         sc->sge_kdoorbell_reg = MYPF_REG(A_SGE_PF_KDOORBELL);
983         sc->traceq = -1;
984         mtx_init(&sc->ifp_lock, sc->ifp_lockname, 0, MTX_DEF);
985         snprintf(sc->ifp_lockname, sizeof(sc->ifp_lockname), "%s tracer",
986             device_get_nameunit(dev));
987
988         snprintf(sc->lockname, sizeof(sc->lockname), "%s",
989             device_get_nameunit(dev));
990         mtx_init(&sc->sc_lock, sc->lockname, 0, MTX_DEF);
991         t4_add_adapter(sc);
992
993         mtx_init(&sc->sfl_lock, "starving freelists", 0, MTX_DEF);
994         TAILQ_INIT(&sc->sfl);
995         callout_init_mtx(&sc->sfl_callout, &sc->sfl_lock, 0);
996
997         mtx_init(&sc->reg_lock, "indirect register access", 0, MTX_DEF);
998
999         sc->policy = NULL;
1000         rw_init(&sc->policy_lock, "connection offload policy");
1001
1002         rc = t4_map_bars_0_and_4(sc);
1003         if (rc != 0)
1004                 goto done; /* error message displayed already */
1005
1006         memset(sc->chan_map, 0xff, sizeof(sc->chan_map));
1007
1008         /* Prepare the adapter for operation. */
1009         buf = malloc(PAGE_SIZE, M_CXGBE, M_ZERO | M_WAITOK);
1010         rc = -t4_prep_adapter(sc, buf);
1011         free(buf, M_CXGBE);
1012         if (rc != 0) {
1013                 device_printf(dev, "failed to prepare adapter: %d.\n", rc);
1014                 goto done;
1015         }
1016
1017         /*
1018          * This is the real PF# to which we're attaching.  Works from within PCI
1019          * passthrough environments too, where pci_get_function() could return a
1020          * different PF# depending on the passthrough configuration.  We need to
1021          * use the real PF# in all our communication with the firmware.
1022          */
1023         j = t4_read_reg(sc, A_PL_WHOAMI);
1024         sc->pf = chip_id(sc) <= CHELSIO_T5 ? G_SOURCEPF(j) : G_T6_SOURCEPF(j);
1025         sc->mbox = sc->pf;
1026
1027         t4_init_devnames(sc);
1028         if (sc->names == NULL) {
1029                 rc = ENOTSUP;
1030                 goto done; /* error message displayed already */
1031         }
1032
1033         /*
1034          * Do this really early, with the memory windows set up even before the
1035          * character device.  The userland tool's register i/o and mem read
1036          * will work even in "recovery mode".
1037          */
1038         setup_memwin(sc);
1039         if (t4_init_devlog_params(sc, 0) == 0)
1040                 fixup_devlog_params(sc);
1041         make_dev_args_init(&mda);
1042         mda.mda_devsw = &t4_cdevsw;
1043         mda.mda_uid = UID_ROOT;
1044         mda.mda_gid = GID_WHEEL;
1045         mda.mda_mode = 0600;
1046         mda.mda_si_drv1 = sc;
1047         rc = make_dev_s(&mda, &sc->cdev, "%s", device_get_nameunit(dev));
1048         if (rc != 0)
1049                 device_printf(dev, "failed to create nexus char device: %d.\n",
1050                     rc);
1051
1052         /* Go no further if recovery mode has been requested. */
1053         if (TUNABLE_INT_FETCH("hw.cxgbe.sos", &i) && i != 0) {
1054                 device_printf(dev, "recovery mode.\n");
1055                 goto done;
1056         }
1057
1058 #if defined(__i386__)
1059         if ((cpu_feature & CPUID_CX8) == 0) {
1060                 device_printf(dev, "64 bit atomics not available.\n");
1061                 rc = ENOTSUP;
1062                 goto done;
1063         }
1064 #endif
1065
1066         /* Contact the firmware and try to become the master driver. */
1067         rc = contact_firmware(sc);
1068         if (rc != 0)
1069                 goto done; /* error message displayed already */
1070         MPASS(sc->flags & FW_OK);
1071
1072         rc = get_params__pre_init(sc);
1073         if (rc != 0)
1074                 goto done; /* error message displayed already */
1075
1076         if (sc->flags & MASTER_PF) {
1077                 rc = partition_resources(sc);
1078                 if (rc != 0)
1079                         goto done; /* error message displayed already */
1080                 t4_intr_clear(sc);
1081         }
1082
1083         rc = get_params__post_init(sc);
1084         if (rc != 0)
1085                 goto done; /* error message displayed already */
1086
1087         rc = set_params__post_init(sc);
1088         if (rc != 0)
1089                 goto done; /* error message displayed already */
1090
1091         rc = t4_map_bar_2(sc);
1092         if (rc != 0)
1093                 goto done; /* error message displayed already */
1094
1095         rc = t4_create_dma_tag(sc);
1096         if (rc != 0)
1097                 goto done; /* error message displayed already */
1098
1099         /*
1100          * First pass over all the ports - allocate VIs and initialize some
1101          * basic parameters like mac address, port type, etc.
1102          */
1103         for_each_port(sc, i) {
1104                 struct port_info *pi;
1105
1106                 pi = malloc(sizeof(*pi), M_CXGBE, M_ZERO | M_WAITOK);
1107                 sc->port[i] = pi;
1108
1109                 /* These must be set before t4_port_init */
1110                 pi->adapter = sc;
1111                 pi->port_id = i;
1112                 /*
1113                  * XXX: vi[0] is special so we can't delay this allocation until
1114                  * pi->nvi's final value is known.
1115                  */
1116                 pi->vi = malloc(sizeof(struct vi_info) * t4_num_vis, M_CXGBE,
1117                     M_ZERO | M_WAITOK);
1118
1119                 /*
1120                  * Allocate the "main" VI and initialize parameters
1121                  * like mac addr.
1122                  */
1123                 rc = -t4_port_init(sc, sc->mbox, sc->pf, 0, i);
1124                 if (rc != 0) {
1125                         device_printf(dev, "unable to initialize port %d: %d\n",
1126                             i, rc);
1127                         free(pi->vi, M_CXGBE);
1128                         free(pi, M_CXGBE);
1129                         sc->port[i] = NULL;
1130                         goto done;
1131                 }
1132
1133                 snprintf(pi->lockname, sizeof(pi->lockname), "%sp%d",
1134                     device_get_nameunit(dev), i);
1135                 mtx_init(&pi->pi_lock, pi->lockname, 0, MTX_DEF);
1136                 sc->chan_map[pi->tx_chan] = i;
1137
1138                 /* All VIs on this port share this media. */
1139                 ifmedia_init(&pi->media, IFM_IMASK, cxgbe_media_change,
1140                     cxgbe_media_status);
1141
1142                 PORT_LOCK(pi);
1143                 init_link_config(pi);
1144                 fixup_link_config(pi);
1145                 build_medialist(pi);
1146                 if (fixed_ifmedia(pi))
1147                         pi->flags |= FIXED_IFMEDIA;
1148                 PORT_UNLOCK(pi);
1149
1150                 pi->dev = device_add_child(dev, sc->names->ifnet_name,
1151                     t4_ifnet_unit(sc, pi));
1152                 if (pi->dev == NULL) {
1153                         device_printf(dev,
1154                             "failed to add device for port %d.\n", i);
1155                         rc = ENXIO;
1156                         goto done;
1157                 }
1158                 pi->vi[0].dev = pi->dev;
1159                 device_set_softc(pi->dev, pi);
1160         }
1161
1162         /*
1163          * Interrupt type, # of interrupts, # of rx/tx queues, etc.
1164          */
1165         nports = sc->params.nports;
1166         rc = cfg_itype_and_nqueues(sc, &iaq);
1167         if (rc != 0)
1168                 goto done; /* error message displayed already */
1169
1170         num_vis = iaq.num_vis;
1171         sc->intr_type = iaq.intr_type;
1172         sc->intr_count = iaq.nirq;
1173
1174         s = &sc->sge;
1175         s->nrxq = nports * iaq.nrxq;
1176         s->ntxq = nports * iaq.ntxq;
1177         if (num_vis > 1) {
1178                 s->nrxq += nports * (num_vis - 1) * iaq.nrxq_vi;
1179                 s->ntxq += nports * (num_vis - 1) * iaq.ntxq_vi;
1180         }
1181         s->neq = s->ntxq + s->nrxq;     /* the free list in an rxq is an eq */
1182         s->neq += nports;               /* ctrl queues: 1 per port */
1183         s->niq = s->nrxq + 1;           /* 1 extra for firmware event queue */
1184 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
1185         if (is_offload(sc) || is_ethoffload(sc)) {
1186                 s->nofldtxq = nports * iaq.nofldtxq;
1187                 if (num_vis > 1)
1188                         s->nofldtxq += nports * (num_vis - 1) * iaq.nofldtxq_vi;
1189                 s->neq += s->nofldtxq;
1190
1191                 s->ofld_txq = malloc(s->nofldtxq * sizeof(struct sge_wrq),
1192                     M_CXGBE, M_ZERO | M_WAITOK);
1193         }
1194 #endif
1195 #ifdef TCP_OFFLOAD
1196         if (is_offload(sc)) {
1197                 s->nofldrxq = nports * iaq.nofldrxq;
1198                 if (num_vis > 1)
1199                         s->nofldrxq += nports * (num_vis - 1) * iaq.nofldrxq_vi;
1200                 s->neq += s->nofldrxq;  /* free list */
1201                 s->niq += s->nofldrxq;
1202
1203                 s->ofld_rxq = malloc(s->nofldrxq * sizeof(struct sge_ofld_rxq),
1204                     M_CXGBE, M_ZERO | M_WAITOK);
1205         }
1206 #endif
1207 #ifdef DEV_NETMAP
1208         if (num_vis > 1) {
1209                 s->nnmrxq = nports * (num_vis - 1) * iaq.nnmrxq_vi;
1210                 s->nnmtxq = nports * (num_vis - 1) * iaq.nnmtxq_vi;
1211         }
1212         s->neq += s->nnmtxq + s->nnmrxq;
1213         s->niq += s->nnmrxq;
1214
1215         s->nm_rxq = malloc(s->nnmrxq * sizeof(struct sge_nm_rxq),
1216             M_CXGBE, M_ZERO | M_WAITOK);
1217         s->nm_txq = malloc(s->nnmtxq * sizeof(struct sge_nm_txq),
1218             M_CXGBE, M_ZERO | M_WAITOK);
1219 #endif
1220
1221         s->ctrlq = malloc(nports * sizeof(struct sge_wrq), M_CXGBE,
1222             M_ZERO | M_WAITOK);
1223         s->rxq = malloc(s->nrxq * sizeof(struct sge_rxq), M_CXGBE,
1224             M_ZERO | M_WAITOK);
1225         s->txq = malloc(s->ntxq * sizeof(struct sge_txq), M_CXGBE,
1226             M_ZERO | M_WAITOK);
1227         s->iqmap = malloc(s->niq * sizeof(struct sge_iq *), M_CXGBE,
1228             M_ZERO | M_WAITOK);
1229         s->eqmap = malloc(s->neq * sizeof(struct sge_eq *), M_CXGBE,
1230             M_ZERO | M_WAITOK);
1231
1232         sc->irq = malloc(sc->intr_count * sizeof(struct irq), M_CXGBE,
1233             M_ZERO | M_WAITOK);
1234
1235         t4_init_l2t(sc, M_WAITOK);
1236         t4_init_smt(sc, M_WAITOK);
1237         t4_init_tx_sched(sc);
1238 #ifdef RATELIMIT
1239         t4_init_etid_table(sc);
1240 #endif
1241 #ifdef INET6
1242         t4_init_clip_table(sc);
1243 #endif
1244         if (sc->vres.key.size != 0)
1245                 sc->key_map = vmem_create("T4TLS key map", sc->vres.key.start,
1246                     sc->vres.key.size, 32, 0, M_FIRSTFIT | M_WAITOK);
1247
1248         /*
1249          * Second pass over the ports.  This time we know the number of rx and
1250          * tx queues that each port should get.
1251          */
1252         rqidx = tqidx = 0;
1253 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
1254         ofld_tqidx = 0;
1255 #endif
1256 #ifdef TCP_OFFLOAD
1257         ofld_rqidx = 0;
1258 #endif
1259 #ifdef DEV_NETMAP
1260         nm_rqidx = nm_tqidx = 0;
1261 #endif
1262         for_each_port(sc, i) {
1263                 struct port_info *pi = sc->port[i];
1264                 struct vi_info *vi;
1265
1266                 if (pi == NULL)
1267                         continue;
1268
1269                 pi->nvi = num_vis;
1270                 for_each_vi(pi, j, vi) {
1271                         vi->pi = pi;
1272                         vi->qsize_rxq = t4_qsize_rxq;
1273                         vi->qsize_txq = t4_qsize_txq;
1274
1275                         vi->first_rxq = rqidx;
1276                         vi->first_txq = tqidx;
1277                         vi->tmr_idx = t4_tmr_idx;
1278                         vi->pktc_idx = t4_pktc_idx;
1279                         vi->nrxq = j == 0 ? iaq.nrxq : iaq.nrxq_vi;
1280                         vi->ntxq = j == 0 ? iaq.ntxq : iaq.ntxq_vi;
1281
1282                         rqidx += vi->nrxq;
1283                         tqidx += vi->ntxq;
1284
1285                         if (j == 0 && vi->ntxq > 1)
1286                                 vi->rsrv_noflowq = t4_rsrv_noflowq ? 1 : 0;
1287                         else
1288                                 vi->rsrv_noflowq = 0;
1289
1290 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
1291                         vi->first_ofld_txq = ofld_tqidx;
1292                         vi->nofldtxq = j == 0 ? iaq.nofldtxq : iaq.nofldtxq_vi;
1293                         ofld_tqidx += vi->nofldtxq;
1294 #endif
1295 #ifdef TCP_OFFLOAD
1296                         vi->ofld_tmr_idx = t4_tmr_idx_ofld;
1297                         vi->ofld_pktc_idx = t4_pktc_idx_ofld;
1298                         vi->first_ofld_rxq = ofld_rqidx;
1299                         vi->nofldrxq = j == 0 ? iaq.nofldrxq : iaq.nofldrxq_vi;
1300
1301                         ofld_rqidx += vi->nofldrxq;
1302 #endif
1303 #ifdef DEV_NETMAP
1304                         if (j > 0) {
1305                                 vi->first_nm_rxq = nm_rqidx;
1306                                 vi->first_nm_txq = nm_tqidx;
1307                                 vi->nnmrxq = iaq.nnmrxq_vi;
1308                                 vi->nnmtxq = iaq.nnmtxq_vi;
1309                                 nm_rqidx += vi->nnmrxq;
1310                                 nm_tqidx += vi->nnmtxq;
1311                         }
1312 #endif
1313                 }
1314         }
1315
1316         rc = t4_setup_intr_handlers(sc);
1317         if (rc != 0) {
1318                 device_printf(dev,
1319                     "failed to setup interrupt handlers: %d\n", rc);
1320                 goto done;
1321         }
1322
1323         rc = bus_generic_probe(dev);
1324         if (rc != 0) {
1325                 device_printf(dev, "failed to probe child drivers: %d\n", rc);
1326                 goto done;
1327         }
1328
1329         /*
1330          * Ensure thread-safe mailbox access (in debug builds).
1331          *
1332          * So far this was the only thread accessing the mailbox but various
1333          * ifnets and sysctls are about to be created and their handlers/ioctls
1334          * will access the mailbox from different threads.
1335          */
1336         sc->flags |= CHK_MBOX_ACCESS;
1337
1338         rc = bus_generic_attach(dev);
1339         if (rc != 0) {
1340                 device_printf(dev,
1341                     "failed to attach all child ports: %d\n", rc);
1342                 goto done;
1343         }
1344
1345         device_printf(dev,
1346             "PCIe gen%d x%d, %d ports, %d %s interrupt%s, %d eq, %d iq\n",
1347             sc->params.pci.speed, sc->params.pci.width, sc->params.nports,
1348             sc->intr_count, sc->intr_type == INTR_MSIX ? "MSI-X" :
1349             (sc->intr_type == INTR_MSI ? "MSI" : "INTx"),
1350             sc->intr_count > 1 ? "s" : "", sc->sge.neq, sc->sge.niq);
1351
1352         t4_set_desc(sc);
1353
1354         notify_siblings(dev, 0);
1355
1356 done:
1357         if (rc != 0 && sc->cdev) {
1358                 /* cdev was created and so cxgbetool works; recover that way. */
1359                 device_printf(dev,
1360                     "error during attach, adapter is now in recovery mode.\n");
1361                 rc = 0;
1362         }
1363
1364         if (rc != 0)
1365                 t4_detach_common(dev);
1366         else
1367                 t4_sysctls(sc);
1368
1369         return (rc);
1370 }
1371
1372 static int
1373 t4_child_location_str(device_t bus, device_t dev, char *buf, size_t buflen)
1374 {
1375         struct adapter *sc;
1376         struct port_info *pi;
1377         int i;
1378
1379         sc = device_get_softc(bus);
1380         buf[0] = '\0';
1381         for_each_port(sc, i) {
1382                 pi = sc->port[i];
1383                 if (pi != NULL && pi->dev == dev) {
1384                         snprintf(buf, buflen, "port=%d", pi->port_id);
1385                         break;
1386                 }
1387         }
1388         return (0);
1389 }
1390
1391 static int
1392 t4_ready(device_t dev)
1393 {
1394         struct adapter *sc;
1395
1396         sc = device_get_softc(dev);
1397         if (sc->flags & FW_OK)
1398                 return (0);
1399         return (ENXIO);
1400 }
1401
1402 static int
1403 t4_read_port_device(device_t dev, int port, device_t *child)
1404 {
1405         struct adapter *sc;
1406         struct port_info *pi;
1407
1408         sc = device_get_softc(dev);
1409         if (port < 0 || port >= MAX_NPORTS)
1410                 return (EINVAL);
1411         pi = sc->port[port];
1412         if (pi == NULL || pi->dev == NULL)
1413                 return (ENXIO);
1414         *child = pi->dev;
1415         return (0);
1416 }
1417
1418 static int
1419 notify_siblings(device_t dev, int detaching)
1420 {
1421         device_t sibling;
1422         int error, i;
1423
1424         error = 0;
1425         for (i = 0; i < PCI_FUNCMAX; i++) {
1426                 if (i == pci_get_function(dev))
1427                         continue;
1428                 sibling = pci_find_dbsf(pci_get_domain(dev), pci_get_bus(dev),
1429                     pci_get_slot(dev), i);
1430                 if (sibling == NULL || !device_is_attached(sibling))
1431                         continue;
1432                 if (detaching)
1433                         error = T4_DETACH_CHILD(sibling);
1434                 else
1435                         (void)T4_ATTACH_CHILD(sibling);
1436                 if (error)
1437                         break;
1438         }
1439         return (error);
1440 }
1441
1442 /*
1443  * Idempotent
1444  */
1445 static int
1446 t4_detach(device_t dev)
1447 {
1448         struct adapter *sc;
1449         int rc;
1450
1451         sc = device_get_softc(dev);
1452
1453         rc = notify_siblings(dev, 1);
1454         if (rc) {
1455                 device_printf(dev,
1456                     "failed to detach sibling devices: %d\n", rc);
1457                 return (rc);
1458         }
1459
1460         return (t4_detach_common(dev));
1461 }
1462
1463 int
1464 t4_detach_common(device_t dev)
1465 {
1466         struct adapter *sc;
1467         struct port_info *pi;
1468         int i, rc;
1469
1470         sc = device_get_softc(dev);
1471
1472         if (sc->cdev) {
1473                 destroy_dev(sc->cdev);
1474                 sc->cdev = NULL;
1475         }
1476
1477         sc->flags &= ~CHK_MBOX_ACCESS;
1478         if (sc->flags & FULL_INIT_DONE) {
1479                 if (!(sc->flags & IS_VF))
1480                         t4_intr_disable(sc);
1481         }
1482
1483         if (device_is_attached(dev)) {
1484                 rc = bus_generic_detach(dev);
1485                 if (rc) {
1486                         device_printf(dev,
1487                             "failed to detach child devices: %d\n", rc);
1488                         return (rc);
1489                 }
1490         }
1491
1492         for (i = 0; i < sc->intr_count; i++)
1493                 t4_free_irq(sc, &sc->irq[i]);
1494
1495         if ((sc->flags & (IS_VF | FW_OK)) == FW_OK)
1496                 t4_free_tx_sched(sc);
1497
1498         for (i = 0; i < MAX_NPORTS; i++) {
1499                 pi = sc->port[i];
1500                 if (pi) {
1501                         t4_free_vi(sc, sc->mbox, sc->pf, 0, pi->vi[0].viid);
1502                         if (pi->dev)
1503                                 device_delete_child(dev, pi->dev);
1504
1505                         mtx_destroy(&pi->pi_lock);
1506                         free(pi->vi, M_CXGBE);
1507                         free(pi, M_CXGBE);
1508                 }
1509         }
1510
1511         device_delete_children(dev);
1512
1513         if (sc->flags & FULL_INIT_DONE)
1514                 adapter_full_uninit(sc);
1515
1516         if ((sc->flags & (IS_VF | FW_OK)) == FW_OK)
1517                 t4_fw_bye(sc, sc->mbox);
1518
1519         if (sc->intr_type == INTR_MSI || sc->intr_type == INTR_MSIX)
1520                 pci_release_msi(dev);
1521
1522         if (sc->regs_res)
1523                 bus_release_resource(dev, SYS_RES_MEMORY, sc->regs_rid,
1524                     sc->regs_res);
1525
1526         if (sc->udbs_res)
1527                 bus_release_resource(dev, SYS_RES_MEMORY, sc->udbs_rid,
1528                     sc->udbs_res);
1529
1530         if (sc->msix_res)
1531                 bus_release_resource(dev, SYS_RES_MEMORY, sc->msix_rid,
1532                     sc->msix_res);
1533
1534         if (sc->l2t)
1535                 t4_free_l2t(sc->l2t);
1536         if (sc->smt)
1537                 t4_free_smt(sc->smt);
1538 #ifdef RATELIMIT
1539         t4_free_etid_table(sc);
1540 #endif
1541         if (sc->key_map)
1542                 vmem_destroy(sc->key_map);
1543 #ifdef INET6
1544         t4_destroy_clip_table(sc);
1545 #endif
1546
1547 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
1548         free(sc->sge.ofld_txq, M_CXGBE);
1549 #endif
1550 #ifdef TCP_OFFLOAD
1551         free(sc->sge.ofld_rxq, M_CXGBE);
1552 #endif
1553 #ifdef DEV_NETMAP
1554         free(sc->sge.nm_rxq, M_CXGBE);
1555         free(sc->sge.nm_txq, M_CXGBE);
1556 #endif
1557         free(sc->irq, M_CXGBE);
1558         free(sc->sge.rxq, M_CXGBE);
1559         free(sc->sge.txq, M_CXGBE);
1560         free(sc->sge.ctrlq, M_CXGBE);
1561         free(sc->sge.iqmap, M_CXGBE);
1562         free(sc->sge.eqmap, M_CXGBE);
1563         free(sc->tids.ftid_tab, M_CXGBE);
1564         free(sc->tids.hpftid_tab, M_CXGBE);
1565         free_hftid_hash(&sc->tids);
1566         free(sc->tids.atid_tab, M_CXGBE);
1567         free(sc->tids.tid_tab, M_CXGBE);
1568         free(sc->tt.tls_rx_ports, M_CXGBE);
1569         t4_destroy_dma_tag(sc);
1570         if (mtx_initialized(&sc->sc_lock)) {
1571                 sx_xlock(&t4_list_lock);
1572                 SLIST_REMOVE(&t4_list, sc, adapter, link);
1573                 sx_xunlock(&t4_list_lock);
1574                 mtx_destroy(&sc->sc_lock);
1575         }
1576
1577         callout_drain(&sc->sfl_callout);
1578         if (mtx_initialized(&sc->tids.ftid_lock)) {
1579                 mtx_destroy(&sc->tids.ftid_lock);
1580                 cv_destroy(&sc->tids.ftid_cv);
1581         }
1582         if (mtx_initialized(&sc->tids.atid_lock))
1583                 mtx_destroy(&sc->tids.atid_lock);
1584         if (mtx_initialized(&sc->sfl_lock))
1585                 mtx_destroy(&sc->sfl_lock);
1586         if (mtx_initialized(&sc->ifp_lock))
1587                 mtx_destroy(&sc->ifp_lock);
1588         if (mtx_initialized(&sc->reg_lock))
1589                 mtx_destroy(&sc->reg_lock);
1590
1591         if (rw_initialized(&sc->policy_lock)) {
1592                 rw_destroy(&sc->policy_lock);
1593 #ifdef TCP_OFFLOAD
1594                 if (sc->policy != NULL)
1595                         free_offload_policy(sc->policy);
1596 #endif
1597         }
1598
1599         for (i = 0; i < NUM_MEMWIN; i++) {
1600                 struct memwin *mw = &sc->memwin[i];
1601
1602                 if (rw_initialized(&mw->mw_lock))
1603                         rw_destroy(&mw->mw_lock);
1604         }
1605
1606         bzero(sc, sizeof(*sc));
1607
1608         return (0);
1609 }
1610
1611 static int
1612 cxgbe_probe(device_t dev)
1613 {
1614         char buf[128];
1615         struct port_info *pi = device_get_softc(dev);
1616
1617         snprintf(buf, sizeof(buf), "port %d", pi->port_id);
1618         device_set_desc_copy(dev, buf);
1619
1620         return (BUS_PROBE_DEFAULT);
1621 }
1622
1623 #define T4_CAP (IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_HWCSUM | \
1624     IFCAP_VLAN_HWCSUM | IFCAP_TSO | IFCAP_JUMBO_MTU | IFCAP_LRO | \
1625     IFCAP_VLAN_HWTSO | IFCAP_LINKSTATE | IFCAP_HWCSUM_IPV6 | IFCAP_HWSTATS | \
1626     IFCAP_HWRXTSTMP)
1627 #define T4_CAP_ENABLE (T4_CAP)
1628
1629 static int
1630 cxgbe_vi_attach(device_t dev, struct vi_info *vi)
1631 {
1632         struct ifnet *ifp;
1633         struct sbuf *sb;
1634
1635         vi->xact_addr_filt = -1;
1636         callout_init(&vi->tick, 1);
1637
1638         /* Allocate an ifnet and set it up */
1639         ifp = if_alloc(IFT_ETHER);
1640         if (ifp == NULL) {
1641                 device_printf(dev, "Cannot allocate ifnet\n");
1642                 return (ENOMEM);
1643         }
1644         vi->ifp = ifp;
1645         ifp->if_softc = vi;
1646
1647         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
1648         ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1649
1650         ifp->if_init = cxgbe_init;
1651         ifp->if_ioctl = cxgbe_ioctl;
1652         ifp->if_transmit = cxgbe_transmit;
1653         ifp->if_qflush = cxgbe_qflush;
1654         ifp->if_get_counter = cxgbe_get_counter;
1655 #ifdef RATELIMIT
1656         ifp->if_snd_tag_alloc = cxgbe_snd_tag_alloc;
1657         ifp->if_snd_tag_modify = cxgbe_snd_tag_modify;
1658         ifp->if_snd_tag_query = cxgbe_snd_tag_query;
1659         ifp->if_snd_tag_free = cxgbe_snd_tag_free;
1660 #endif
1661
1662         ifp->if_capabilities = T4_CAP;
1663         ifp->if_capenable = T4_CAP_ENABLE;
1664 #ifdef TCP_OFFLOAD
1665         if (vi->nofldrxq != 0)
1666                 ifp->if_capabilities |= IFCAP_TOE;
1667 #endif
1668 #ifdef RATELIMIT
1669         if (is_ethoffload(vi->pi->adapter) && vi->nofldtxq != 0) {
1670                 ifp->if_capabilities |= IFCAP_TXRTLMT;
1671                 ifp->if_capenable |= IFCAP_TXRTLMT;
1672         }
1673 #endif
1674         ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_IP | CSUM_TSO |
1675             CSUM_UDP_IPV6 | CSUM_TCP_IPV6;
1676
1677         ifp->if_hw_tsomax = IP_MAXPACKET;
1678         ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS_TSO;
1679 #ifdef RATELIMIT
1680         if (is_ethoffload(vi->pi->adapter) && vi->nofldtxq != 0)
1681                 ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS_EO_TSO;
1682 #endif
1683         ifp->if_hw_tsomaxsegsize = 65536;
1684
1685         ether_ifattach(ifp, vi->hw_addr);
1686 #ifdef DEV_NETMAP
1687         if (vi->nnmrxq != 0)
1688                 cxgbe_nm_attach(vi);
1689 #endif
1690         sb = sbuf_new_auto();
1691         sbuf_printf(sb, "%d txq, %d rxq (NIC)", vi->ntxq, vi->nrxq);
1692 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
1693         switch (ifp->if_capabilities & (IFCAP_TOE | IFCAP_TXRTLMT)) {
1694         case IFCAP_TOE:
1695                 sbuf_printf(sb, "; %d txq (TOE)", vi->nofldtxq);
1696                 break;
1697         case IFCAP_TOE | IFCAP_TXRTLMT:
1698                 sbuf_printf(sb, "; %d txq (TOE/ETHOFLD)", vi->nofldtxq);
1699                 break;
1700         case IFCAP_TXRTLMT:
1701                 sbuf_printf(sb, "; %d txq (ETHOFLD)", vi->nofldtxq);
1702                 break;
1703         }
1704 #endif
1705 #ifdef TCP_OFFLOAD
1706         if (ifp->if_capabilities & IFCAP_TOE)
1707                 sbuf_printf(sb, ", %d rxq (TOE)", vi->nofldrxq);
1708 #endif
1709 #ifdef DEV_NETMAP
1710         if (ifp->if_capabilities & IFCAP_NETMAP)
1711                 sbuf_printf(sb, "; %d txq, %d rxq (netmap)",
1712                     vi->nnmtxq, vi->nnmrxq);
1713 #endif
1714         sbuf_finish(sb);
1715         device_printf(dev, "%s\n", sbuf_data(sb));
1716         sbuf_delete(sb);
1717
1718         vi_sysctls(vi);
1719
1720         return (0);
1721 }
1722
1723 static int
1724 cxgbe_attach(device_t dev)
1725 {
1726         struct port_info *pi = device_get_softc(dev);
1727         struct adapter *sc = pi->adapter;
1728         struct vi_info *vi;
1729         int i, rc;
1730
1731         callout_init_mtx(&pi->tick, &pi->pi_lock, 0);
1732
1733         rc = cxgbe_vi_attach(dev, &pi->vi[0]);
1734         if (rc)
1735                 return (rc);
1736
1737         for_each_vi(pi, i, vi) {
1738                 if (i == 0)
1739                         continue;
1740                 vi->dev = device_add_child(dev, sc->names->vi_ifnet_name, -1);
1741                 if (vi->dev == NULL) {
1742                         device_printf(dev, "failed to add VI %d\n", i);
1743                         continue;
1744                 }
1745                 device_set_softc(vi->dev, vi);
1746         }
1747
1748         cxgbe_sysctls(pi);
1749
1750         bus_generic_attach(dev);
1751
1752         return (0);
1753 }
1754
1755 static void
1756 cxgbe_vi_detach(struct vi_info *vi)
1757 {
1758         struct ifnet *ifp = vi->ifp;
1759
1760         ether_ifdetach(ifp);
1761
1762         /* Let detach proceed even if these fail. */
1763 #ifdef DEV_NETMAP
1764         if (ifp->if_capabilities & IFCAP_NETMAP)
1765                 cxgbe_nm_detach(vi);
1766 #endif
1767         cxgbe_uninit_synchronized(vi);
1768         callout_drain(&vi->tick);
1769         vi_full_uninit(vi);
1770
1771         if_free(vi->ifp);
1772         vi->ifp = NULL;
1773 }
1774
1775 static int
1776 cxgbe_detach(device_t dev)
1777 {
1778         struct port_info *pi = device_get_softc(dev);
1779         struct adapter *sc = pi->adapter;
1780         int rc;
1781
1782         /* Detach the extra VIs first. */
1783         rc = bus_generic_detach(dev);
1784         if (rc)
1785                 return (rc);
1786         device_delete_children(dev);
1787
1788         doom_vi(sc, &pi->vi[0]);
1789
1790         if (pi->flags & HAS_TRACEQ) {
1791                 sc->traceq = -1;        /* cloner should not create ifnet */
1792                 t4_tracer_port_detach(sc);
1793         }
1794
1795         cxgbe_vi_detach(&pi->vi[0]);
1796         callout_drain(&pi->tick);
1797         ifmedia_removeall(&pi->media);
1798
1799         end_synchronized_op(sc, 0);
1800
1801         return (0);
1802 }
1803
1804 static void
1805 cxgbe_init(void *arg)
1806 {
1807         struct vi_info *vi = arg;
1808         struct adapter *sc = vi->pi->adapter;
1809
1810         if (begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4init") != 0)
1811                 return;
1812         cxgbe_init_synchronized(vi);
1813         end_synchronized_op(sc, 0);
1814 }
1815
1816 static int
1817 cxgbe_ioctl(struct ifnet *ifp, unsigned long cmd, caddr_t data)
1818 {
1819         int rc = 0, mtu, flags;
1820         struct vi_info *vi = ifp->if_softc;
1821         struct port_info *pi = vi->pi;
1822         struct adapter *sc = pi->adapter;
1823         struct ifreq *ifr = (struct ifreq *)data;
1824         uint32_t mask;
1825
1826         switch (cmd) {
1827         case SIOCSIFMTU:
1828                 mtu = ifr->ifr_mtu;
1829                 if (mtu < ETHERMIN || mtu > MAX_MTU)
1830                         return (EINVAL);
1831
1832                 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4mtu");
1833                 if (rc)
1834                         return (rc);
1835                 ifp->if_mtu = mtu;
1836                 if (vi->flags & VI_INIT_DONE) {
1837                         t4_update_fl_bufsize(ifp);
1838                         if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1839                                 rc = update_mac_settings(ifp, XGMAC_MTU);
1840                 }
1841                 end_synchronized_op(sc, 0);
1842                 break;
1843
1844         case SIOCSIFFLAGS:
1845                 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4flg");
1846                 if (rc)
1847                         return (rc);
1848
1849                 if (ifp->if_flags & IFF_UP) {
1850                         if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1851                                 flags = vi->if_flags;
1852                                 if ((ifp->if_flags ^ flags) &
1853                                     (IFF_PROMISC | IFF_ALLMULTI)) {
1854                                         rc = update_mac_settings(ifp,
1855                                             XGMAC_PROMISC | XGMAC_ALLMULTI);
1856                                 }
1857                         } else {
1858                                 rc = cxgbe_init_synchronized(vi);
1859                         }
1860                         vi->if_flags = ifp->if_flags;
1861                 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1862                         rc = cxgbe_uninit_synchronized(vi);
1863                 }
1864                 end_synchronized_op(sc, 0);
1865                 break;
1866
1867         case SIOCADDMULTI:
1868         case SIOCDELMULTI:
1869                 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4multi");
1870                 if (rc)
1871                         return (rc);
1872                 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1873                         rc = update_mac_settings(ifp, XGMAC_MCADDRS);
1874                 end_synchronized_op(sc, 0);
1875                 break;
1876
1877         case SIOCSIFCAP:
1878                 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4cap");
1879                 if (rc)
1880                         return (rc);
1881
1882                 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1883                 if (mask & IFCAP_TXCSUM) {
1884                         ifp->if_capenable ^= IFCAP_TXCSUM;
1885                         ifp->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
1886
1887                         if (IFCAP_TSO4 & ifp->if_capenable &&
1888                             !(IFCAP_TXCSUM & ifp->if_capenable)) {
1889                                 ifp->if_capenable &= ~IFCAP_TSO4;
1890                                 if_printf(ifp,
1891                                     "tso4 disabled due to -txcsum.\n");
1892                         }
1893                 }
1894                 if (mask & IFCAP_TXCSUM_IPV6) {
1895                         ifp->if_capenable ^= IFCAP_TXCSUM_IPV6;
1896                         ifp->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
1897
1898                         if (IFCAP_TSO6 & ifp->if_capenable &&
1899                             !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) {
1900                                 ifp->if_capenable &= ~IFCAP_TSO6;
1901                                 if_printf(ifp,
1902                                     "tso6 disabled due to -txcsum6.\n");
1903                         }
1904                 }
1905                 if (mask & IFCAP_RXCSUM)
1906                         ifp->if_capenable ^= IFCAP_RXCSUM;
1907                 if (mask & IFCAP_RXCSUM_IPV6)
1908                         ifp->if_capenable ^= IFCAP_RXCSUM_IPV6;
1909
1910                 /*
1911                  * Note that we leave CSUM_TSO alone (it is always set).  The
1912                  * kernel takes both IFCAP_TSOx and CSUM_TSO into account before
1913                  * sending a TSO request our way, so it's sufficient to toggle
1914                  * IFCAP_TSOx only.
1915                  */
1916                 if (mask & IFCAP_TSO4) {
1917                         if (!(IFCAP_TSO4 & ifp->if_capenable) &&
1918                             !(IFCAP_TXCSUM & ifp->if_capenable)) {
1919                                 if_printf(ifp, "enable txcsum first.\n");
1920                                 rc = EAGAIN;
1921                                 goto fail;
1922                         }
1923                         ifp->if_capenable ^= IFCAP_TSO4;
1924                 }
1925                 if (mask & IFCAP_TSO6) {
1926                         if (!(IFCAP_TSO6 & ifp->if_capenable) &&
1927                             !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) {
1928                                 if_printf(ifp, "enable txcsum6 first.\n");
1929                                 rc = EAGAIN;
1930                                 goto fail;
1931                         }
1932                         ifp->if_capenable ^= IFCAP_TSO6;
1933                 }
1934                 if (mask & IFCAP_LRO) {
1935 #if defined(INET) || defined(INET6)
1936                         int i;
1937                         struct sge_rxq *rxq;
1938
1939                         ifp->if_capenable ^= IFCAP_LRO;
1940                         for_each_rxq(vi, i, rxq) {
1941                                 if (ifp->if_capenable & IFCAP_LRO)
1942                                         rxq->iq.flags |= IQ_LRO_ENABLED;
1943                                 else
1944                                         rxq->iq.flags &= ~IQ_LRO_ENABLED;
1945                         }
1946 #endif
1947                 }
1948 #ifdef TCP_OFFLOAD
1949                 if (mask & IFCAP_TOE) {
1950                         int enable = (ifp->if_capenable ^ mask) & IFCAP_TOE;
1951
1952                         rc = toe_capability(vi, enable);
1953                         if (rc != 0)
1954                                 goto fail;
1955
1956                         ifp->if_capenable ^= mask;
1957                 }
1958 #endif
1959                 if (mask & IFCAP_VLAN_HWTAGGING) {
1960                         ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1961                         if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1962                                 rc = update_mac_settings(ifp, XGMAC_VLANEX);
1963                 }
1964                 if (mask & IFCAP_VLAN_MTU) {
1965                         ifp->if_capenable ^= IFCAP_VLAN_MTU;
1966
1967                         /* Need to find out how to disable auto-mtu-inflation */
1968                 }
1969                 if (mask & IFCAP_VLAN_HWTSO)
1970                         ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1971                 if (mask & IFCAP_VLAN_HWCSUM)
1972                         ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
1973 #ifdef RATELIMIT
1974                 if (mask & IFCAP_TXRTLMT)
1975                         ifp->if_capenable ^= IFCAP_TXRTLMT;
1976 #endif
1977                 if (mask & IFCAP_HWRXTSTMP) {
1978                         int i;
1979                         struct sge_rxq *rxq;
1980
1981                         ifp->if_capenable ^= IFCAP_HWRXTSTMP;
1982                         for_each_rxq(vi, i, rxq) {
1983                                 if (ifp->if_capenable & IFCAP_HWRXTSTMP)
1984                                         rxq->iq.flags |= IQ_RX_TIMESTAMP;
1985                                 else
1986                                         rxq->iq.flags &= ~IQ_RX_TIMESTAMP;
1987                         }
1988                 }
1989
1990 #ifdef VLAN_CAPABILITIES
1991                 VLAN_CAPABILITIES(ifp);
1992 #endif
1993 fail:
1994                 end_synchronized_op(sc, 0);
1995                 break;
1996
1997         case SIOCSIFMEDIA:
1998         case SIOCGIFMEDIA:
1999         case SIOCGIFXMEDIA:
2000                 ifmedia_ioctl(ifp, ifr, &pi->media, cmd);
2001                 break;
2002
2003         case SIOCGI2C: {
2004                 struct ifi2creq i2c;
2005
2006                 rc = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c));
2007                 if (rc != 0)
2008                         break;
2009                 if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) {
2010                         rc = EPERM;
2011                         break;
2012                 }
2013                 if (i2c.len > sizeof(i2c.data)) {
2014                         rc = EINVAL;
2015                         break;
2016                 }
2017                 rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4i2c");
2018                 if (rc)
2019                         return (rc);
2020                 rc = -t4_i2c_rd(sc, sc->mbox, pi->port_id, i2c.dev_addr,
2021                     i2c.offset, i2c.len, &i2c.data[0]);
2022                 end_synchronized_op(sc, 0);
2023                 if (rc == 0)
2024                         rc = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c));
2025                 break;
2026         }
2027
2028         default:
2029                 rc = ether_ioctl(ifp, cmd, data);
2030         }
2031
2032         return (rc);
2033 }
2034
2035 static int
2036 cxgbe_transmit(struct ifnet *ifp, struct mbuf *m)
2037 {
2038         struct vi_info *vi = ifp->if_softc;
2039         struct port_info *pi = vi->pi;
2040         struct adapter *sc = pi->adapter;
2041         struct sge_txq *txq;
2042         void *items[1];
2043         int rc;
2044
2045         M_ASSERTPKTHDR(m);
2046         MPASS(m->m_nextpkt == NULL);    /* not quite ready for this yet */
2047
2048         if (__predict_false(pi->link_cfg.link_ok == false)) {
2049                 m_freem(m);
2050                 return (ENETDOWN);
2051         }
2052
2053         rc = parse_pkt(sc, &m);
2054         if (__predict_false(rc != 0)) {
2055                 MPASS(m == NULL);                       /* was freed already */
2056                 atomic_add_int(&pi->tx_parse_error, 1); /* rare, atomic is ok */
2057                 return (rc);
2058         }
2059 #ifdef RATELIMIT
2060         if (m->m_pkthdr.snd_tag != NULL) {
2061                 /* EAGAIN tells the stack we are not the correct interface. */
2062                 if (__predict_false(ifp != m->m_pkthdr.snd_tag->ifp)) {
2063                         m_freem(m);
2064                         return (EAGAIN);
2065                 }
2066
2067                 return (ethofld_transmit(ifp, m));
2068         }
2069 #endif
2070
2071         /* Select a txq. */
2072         txq = &sc->sge.txq[vi->first_txq];
2073         if (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE)
2074                 txq += ((m->m_pkthdr.flowid % (vi->ntxq - vi->rsrv_noflowq)) +
2075                     vi->rsrv_noflowq);
2076
2077         items[0] = m;
2078         rc = mp_ring_enqueue(txq->r, items, 1, 4096);
2079         if (__predict_false(rc != 0))
2080                 m_freem(m);
2081
2082         return (rc);
2083 }
2084
2085 static void
2086 cxgbe_qflush(struct ifnet *ifp)
2087 {
2088         struct vi_info *vi = ifp->if_softc;
2089         struct sge_txq *txq;
2090         int i;
2091
2092         /* queues do not exist if !VI_INIT_DONE. */
2093         if (vi->flags & VI_INIT_DONE) {
2094                 for_each_txq(vi, i, txq) {
2095                         TXQ_LOCK(txq);
2096                         txq->eq.flags |= EQ_QFLUSH;
2097                         TXQ_UNLOCK(txq);
2098                         while (!mp_ring_is_idle(txq->r)) {
2099                                 mp_ring_check_drainage(txq->r, 0);
2100                                 pause("qflush", 1);
2101                         }
2102                         TXQ_LOCK(txq);
2103                         txq->eq.flags &= ~EQ_QFLUSH;
2104                         TXQ_UNLOCK(txq);
2105                 }
2106         }
2107         if_qflush(ifp);
2108 }
2109
2110 static uint64_t
2111 vi_get_counter(struct ifnet *ifp, ift_counter c)
2112 {
2113         struct vi_info *vi = ifp->if_softc;
2114         struct fw_vi_stats_vf *s = &vi->stats;
2115
2116         vi_refresh_stats(vi->pi->adapter, vi);
2117
2118         switch (c) {
2119         case IFCOUNTER_IPACKETS:
2120                 return (s->rx_bcast_frames + s->rx_mcast_frames +
2121                     s->rx_ucast_frames);
2122         case IFCOUNTER_IERRORS:
2123                 return (s->rx_err_frames);
2124         case IFCOUNTER_OPACKETS:
2125                 return (s->tx_bcast_frames + s->tx_mcast_frames +
2126                     s->tx_ucast_frames + s->tx_offload_frames);
2127         case IFCOUNTER_OERRORS:
2128                 return (s->tx_drop_frames);
2129         case IFCOUNTER_IBYTES:
2130                 return (s->rx_bcast_bytes + s->rx_mcast_bytes +
2131                     s->rx_ucast_bytes);
2132         case IFCOUNTER_OBYTES:
2133                 return (s->tx_bcast_bytes + s->tx_mcast_bytes +
2134                     s->tx_ucast_bytes + s->tx_offload_bytes);
2135         case IFCOUNTER_IMCASTS:
2136                 return (s->rx_mcast_frames);
2137         case IFCOUNTER_OMCASTS:
2138                 return (s->tx_mcast_frames);
2139         case IFCOUNTER_OQDROPS: {
2140                 uint64_t drops;
2141
2142                 drops = 0;
2143                 if (vi->flags & VI_INIT_DONE) {
2144                         int i;
2145                         struct sge_txq *txq;
2146
2147                         for_each_txq(vi, i, txq)
2148                                 drops += counter_u64_fetch(txq->r->drops);
2149                 }
2150
2151                 return (drops);
2152
2153         }
2154
2155         default:
2156                 return (if_get_counter_default(ifp, c));
2157         }
2158 }
2159
2160 uint64_t
2161 cxgbe_get_counter(struct ifnet *ifp, ift_counter c)
2162 {
2163         struct vi_info *vi = ifp->if_softc;
2164         struct port_info *pi = vi->pi;
2165         struct adapter *sc = pi->adapter;
2166         struct port_stats *s = &pi->stats;
2167
2168         if (pi->nvi > 1 || sc->flags & IS_VF)
2169                 return (vi_get_counter(ifp, c));
2170
2171         cxgbe_refresh_stats(sc, pi);
2172
2173         switch (c) {
2174         case IFCOUNTER_IPACKETS:
2175                 return (s->rx_frames);
2176
2177         case IFCOUNTER_IERRORS:
2178                 return (s->rx_jabber + s->rx_runt + s->rx_too_long +
2179                     s->rx_fcs_err + s->rx_len_err);
2180
2181         case IFCOUNTER_OPACKETS:
2182                 return (s->tx_frames);
2183
2184         case IFCOUNTER_OERRORS:
2185                 return (s->tx_error_frames);
2186
2187         case IFCOUNTER_IBYTES:
2188                 return (s->rx_octets);
2189
2190         case IFCOUNTER_OBYTES:
2191                 return (s->tx_octets);
2192
2193         case IFCOUNTER_IMCASTS:
2194                 return (s->rx_mcast_frames);
2195
2196         case IFCOUNTER_OMCASTS:
2197                 return (s->tx_mcast_frames);
2198
2199         case IFCOUNTER_IQDROPS:
2200                 return (s->rx_ovflow0 + s->rx_ovflow1 + s->rx_ovflow2 +
2201                     s->rx_ovflow3 + s->rx_trunc0 + s->rx_trunc1 + s->rx_trunc2 +
2202                     s->rx_trunc3 + pi->tnl_cong_drops);
2203
2204         case IFCOUNTER_OQDROPS: {
2205                 uint64_t drops;
2206
2207                 drops = s->tx_drop;
2208                 if (vi->flags & VI_INIT_DONE) {
2209                         int i;
2210                         struct sge_txq *txq;
2211
2212                         for_each_txq(vi, i, txq)
2213                                 drops += counter_u64_fetch(txq->r->drops);
2214                 }
2215
2216                 return (drops);
2217
2218         }
2219
2220         default:
2221                 return (if_get_counter_default(ifp, c));
2222         }
2223 }
2224
2225 /*
2226  * The kernel picks a media from the list we had provided but we still validate
2227  * the requeste.
2228  */
2229 int
2230 cxgbe_media_change(struct ifnet *ifp)
2231 {
2232         struct vi_info *vi = ifp->if_softc;
2233         struct port_info *pi = vi->pi;
2234         struct ifmedia *ifm = &pi->media;
2235         struct link_config *lc = &pi->link_cfg;
2236         struct adapter *sc = pi->adapter;
2237         int rc;
2238
2239         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4mec");
2240         if (rc != 0)
2241                 return (rc);
2242         PORT_LOCK(pi);
2243         if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) {
2244                 /* ifconfig .. media autoselect */
2245                 if (!(lc->supported & FW_PORT_CAP32_ANEG)) {
2246                         rc = ENOTSUP; /* AN not supported by transceiver */
2247                         goto done;
2248                 }
2249                 lc->requested_aneg = AUTONEG_ENABLE;
2250                 lc->requested_speed = 0;
2251                 lc->requested_fc |= PAUSE_AUTONEG;
2252         } else {
2253                 lc->requested_aneg = AUTONEG_DISABLE;
2254                 lc->requested_speed =
2255                     ifmedia_baudrate(ifm->ifm_media) / 1000000;
2256                 lc->requested_fc = 0;
2257                 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_RXPAUSE)
2258                         lc->requested_fc |= PAUSE_RX;
2259                 if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE)
2260                         lc->requested_fc |= PAUSE_TX;
2261         }
2262         if (pi->up_vis > 0) {
2263                 fixup_link_config(pi);
2264                 rc = apply_link_config(pi);
2265         }
2266 done:
2267         PORT_UNLOCK(pi);
2268         end_synchronized_op(sc, 0);
2269         return (rc);
2270 }
2271
2272 /*
2273  * Base media word (without ETHER, pause, link active, etc.) for the port at the
2274  * given speed.
2275  */
2276 static int
2277 port_mword(struct port_info *pi, uint32_t speed)
2278 {
2279
2280         MPASS(speed & M_FW_PORT_CAP32_SPEED);
2281         MPASS(powerof2(speed));
2282
2283         switch(pi->port_type) {
2284         case FW_PORT_TYPE_BT_SGMII:
2285         case FW_PORT_TYPE_BT_XFI:
2286         case FW_PORT_TYPE_BT_XAUI:
2287                 /* BaseT */
2288                 switch (speed) {
2289                 case FW_PORT_CAP32_SPEED_100M:
2290                         return (IFM_100_T);
2291                 case FW_PORT_CAP32_SPEED_1G:
2292                         return (IFM_1000_T);
2293                 case FW_PORT_CAP32_SPEED_10G:
2294                         return (IFM_10G_T);
2295                 }
2296                 break;
2297         case FW_PORT_TYPE_KX4:
2298                 if (speed == FW_PORT_CAP32_SPEED_10G)
2299                         return (IFM_10G_KX4);
2300                 break;
2301         case FW_PORT_TYPE_CX4:
2302                 if (speed == FW_PORT_CAP32_SPEED_10G)
2303                         return (IFM_10G_CX4);
2304                 break;
2305         case FW_PORT_TYPE_KX:
2306                 if (speed == FW_PORT_CAP32_SPEED_1G)
2307                         return (IFM_1000_KX);
2308                 break;
2309         case FW_PORT_TYPE_KR:
2310         case FW_PORT_TYPE_BP_AP:
2311         case FW_PORT_TYPE_BP4_AP:
2312         case FW_PORT_TYPE_BP40_BA:
2313         case FW_PORT_TYPE_KR4_100G:
2314         case FW_PORT_TYPE_KR_SFP28:
2315         case FW_PORT_TYPE_KR_XLAUI:
2316                 switch (speed) {
2317                 case FW_PORT_CAP32_SPEED_1G:
2318                         return (IFM_1000_KX);
2319                 case FW_PORT_CAP32_SPEED_10G:
2320                         return (IFM_10G_KR);
2321                 case FW_PORT_CAP32_SPEED_25G:
2322                         return (IFM_25G_KR);
2323                 case FW_PORT_CAP32_SPEED_40G:
2324                         return (IFM_40G_KR4);
2325                 case FW_PORT_CAP32_SPEED_50G:
2326                         return (IFM_50G_KR2);
2327                 case FW_PORT_CAP32_SPEED_100G:
2328                         return (IFM_100G_KR4);
2329                 }
2330                 break;
2331         case FW_PORT_TYPE_FIBER_XFI:
2332         case FW_PORT_TYPE_FIBER_XAUI:
2333         case FW_PORT_TYPE_SFP:
2334         case FW_PORT_TYPE_QSFP_10G:
2335         case FW_PORT_TYPE_QSA:
2336         case FW_PORT_TYPE_QSFP:
2337         case FW_PORT_TYPE_CR4_QSFP:
2338         case FW_PORT_TYPE_CR_QSFP:
2339         case FW_PORT_TYPE_CR2_QSFP:
2340         case FW_PORT_TYPE_SFP28:
2341                 /* Pluggable transceiver */
2342                 switch (pi->mod_type) {
2343                 case FW_PORT_MOD_TYPE_LR:
2344                         switch (speed) {
2345                         case FW_PORT_CAP32_SPEED_1G:
2346                                 return (IFM_1000_LX);
2347                         case FW_PORT_CAP32_SPEED_10G:
2348                                 return (IFM_10G_LR);
2349                         case FW_PORT_CAP32_SPEED_25G:
2350                                 return (IFM_25G_LR);
2351                         case FW_PORT_CAP32_SPEED_40G:
2352                                 return (IFM_40G_LR4);
2353                         case FW_PORT_CAP32_SPEED_50G:
2354                                 return (IFM_50G_LR2);
2355                         case FW_PORT_CAP32_SPEED_100G:
2356                                 return (IFM_100G_LR4);
2357                         }
2358                         break;
2359                 case FW_PORT_MOD_TYPE_SR:
2360                         switch (speed) {
2361                         case FW_PORT_CAP32_SPEED_1G:
2362                                 return (IFM_1000_SX);
2363                         case FW_PORT_CAP32_SPEED_10G:
2364                                 return (IFM_10G_SR);
2365                         case FW_PORT_CAP32_SPEED_25G:
2366                                 return (IFM_25G_SR);
2367                         case FW_PORT_CAP32_SPEED_40G:
2368                                 return (IFM_40G_SR4);
2369                         case FW_PORT_CAP32_SPEED_50G:
2370                                 return (IFM_50G_SR2);
2371                         case FW_PORT_CAP32_SPEED_100G:
2372                                 return (IFM_100G_SR4);
2373                         }
2374                         break;
2375                 case FW_PORT_MOD_TYPE_ER:
2376                         if (speed == FW_PORT_CAP32_SPEED_10G)
2377                                 return (IFM_10G_ER);
2378                         break;
2379                 case FW_PORT_MOD_TYPE_TWINAX_PASSIVE:
2380                 case FW_PORT_MOD_TYPE_TWINAX_ACTIVE:
2381                         switch (speed) {
2382                         case FW_PORT_CAP32_SPEED_1G:
2383                                 return (IFM_1000_CX);
2384                         case FW_PORT_CAP32_SPEED_10G:
2385                                 return (IFM_10G_TWINAX);
2386                         case FW_PORT_CAP32_SPEED_25G:
2387                                 return (IFM_25G_CR);
2388                         case FW_PORT_CAP32_SPEED_40G:
2389                                 return (IFM_40G_CR4);
2390                         case FW_PORT_CAP32_SPEED_50G:
2391                                 return (IFM_50G_CR2);
2392                         case FW_PORT_CAP32_SPEED_100G:
2393                                 return (IFM_100G_CR4);
2394                         }
2395                         break;
2396                 case FW_PORT_MOD_TYPE_LRM:
2397                         if (speed == FW_PORT_CAP32_SPEED_10G)
2398                                 return (IFM_10G_LRM);
2399                         break;
2400                 case FW_PORT_MOD_TYPE_NA:
2401                         MPASS(0);       /* Not pluggable? */
2402                         /* fall throough */
2403                 case FW_PORT_MOD_TYPE_ERROR:
2404                 case FW_PORT_MOD_TYPE_UNKNOWN:
2405                 case FW_PORT_MOD_TYPE_NOTSUPPORTED:
2406                         break;
2407                 case FW_PORT_MOD_TYPE_NONE:
2408                         return (IFM_NONE);
2409                 }
2410                 break;
2411         case FW_PORT_TYPE_NONE:
2412                 return (IFM_NONE);
2413         }
2414
2415         return (IFM_UNKNOWN);
2416 }
2417
2418 void
2419 cxgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
2420 {
2421         struct vi_info *vi = ifp->if_softc;
2422         struct port_info *pi = vi->pi;
2423         struct adapter *sc = pi->adapter;
2424         struct link_config *lc = &pi->link_cfg;
2425
2426         if (begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4med") != 0)
2427                 return;
2428         PORT_LOCK(pi);
2429
2430         if (pi->up_vis == 0) {
2431                 /*
2432                  * If all the interfaces are administratively down the firmware
2433                  * does not report transceiver changes.  Refresh port info here
2434                  * so that ifconfig displays accurate ifmedia at all times.
2435                  * This is the only reason we have a synchronized op in this
2436                  * function.  Just PORT_LOCK would have been enough otherwise.
2437                  */
2438                 t4_update_port_info(pi);
2439                 build_medialist(pi);
2440         }
2441
2442         /* ifm_status */
2443         ifmr->ifm_status = IFM_AVALID;
2444         if (lc->link_ok == false)
2445                 goto done;
2446         ifmr->ifm_status |= IFM_ACTIVE;
2447
2448         /* ifm_active */
2449         ifmr->ifm_active = IFM_ETHER | IFM_FDX;
2450         ifmr->ifm_active &= ~(IFM_ETH_TXPAUSE | IFM_ETH_RXPAUSE);
2451         if (lc->fc & PAUSE_RX)
2452                 ifmr->ifm_active |= IFM_ETH_RXPAUSE;
2453         if (lc->fc & PAUSE_TX)
2454                 ifmr->ifm_active |= IFM_ETH_TXPAUSE;
2455         ifmr->ifm_active |= port_mword(pi, speed_to_fwcap(lc->speed));
2456 done:
2457         PORT_UNLOCK(pi);
2458         end_synchronized_op(sc, 0);
2459 }
2460
2461 static int
2462 vcxgbe_probe(device_t dev)
2463 {
2464         char buf[128];
2465         struct vi_info *vi = device_get_softc(dev);
2466
2467         snprintf(buf, sizeof(buf), "port %d vi %td", vi->pi->port_id,
2468             vi - vi->pi->vi);
2469         device_set_desc_copy(dev, buf);
2470
2471         return (BUS_PROBE_DEFAULT);
2472 }
2473
2474 static int
2475 alloc_extra_vi(struct adapter *sc, struct port_info *pi, struct vi_info *vi)
2476 {
2477         int func, index, rc;
2478         uint32_t param, val;
2479
2480         ASSERT_SYNCHRONIZED_OP(sc);
2481
2482         index = vi - pi->vi;
2483         MPASS(index > 0);       /* This function deals with _extra_ VIs only */
2484         KASSERT(index < nitems(vi_mac_funcs),
2485             ("%s: VI %s doesn't have a MAC func", __func__,
2486             device_get_nameunit(vi->dev)));
2487         func = vi_mac_funcs[index];
2488         rc = t4_alloc_vi_func(sc, sc->mbox, pi->tx_chan, sc->pf, 0, 1,
2489             vi->hw_addr, &vi->rss_size, &vi->vfvld, &vi->vin, func, 0);
2490         if (rc < 0) {
2491                 device_printf(vi->dev, "failed to allocate virtual interface %d"
2492                     "for port %d: %d\n", index, pi->port_id, -rc);
2493                 return (-rc);
2494         }
2495         vi->viid = rc;
2496
2497         if (vi->rss_size == 1) {
2498                 /*
2499                  * This VI didn't get a slice of the RSS table.  Reduce the
2500                  * number of VIs being created (hw.cxgbe.num_vis) or modify the
2501                  * configuration file (nvi, rssnvi for this PF) if this is a
2502                  * problem.
2503                  */
2504                 device_printf(vi->dev, "RSS table not available.\n");
2505                 vi->rss_base = 0xffff;
2506
2507                 return (0);
2508         }
2509
2510         param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
2511             V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RSSINFO) |
2512             V_FW_PARAMS_PARAM_YZ(vi->viid);
2513         rc = t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
2514         if (rc)
2515                 vi->rss_base = 0xffff;
2516         else {
2517                 MPASS((val >> 16) == vi->rss_size);
2518                 vi->rss_base = val & 0xffff;
2519         }
2520
2521         return (0);
2522 }
2523
2524 static int
2525 vcxgbe_attach(device_t dev)
2526 {
2527         struct vi_info *vi;
2528         struct port_info *pi;
2529         struct adapter *sc;
2530         int rc;
2531
2532         vi = device_get_softc(dev);
2533         pi = vi->pi;
2534         sc = pi->adapter;
2535
2536         rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4via");
2537         if (rc)
2538                 return (rc);
2539         rc = alloc_extra_vi(sc, pi, vi);
2540         end_synchronized_op(sc, 0);
2541         if (rc)
2542                 return (rc);
2543
2544         rc = cxgbe_vi_attach(dev, vi);
2545         if (rc) {
2546                 t4_free_vi(sc, sc->mbox, sc->pf, 0, vi->viid);
2547                 return (rc);
2548         }
2549         return (0);
2550 }
2551
2552 static int
2553 vcxgbe_detach(device_t dev)
2554 {
2555         struct vi_info *vi;
2556         struct adapter *sc;
2557
2558         vi = device_get_softc(dev);
2559         sc = vi->pi->adapter;
2560
2561         doom_vi(sc, vi);
2562
2563         cxgbe_vi_detach(vi);
2564         t4_free_vi(sc, sc->mbox, sc->pf, 0, vi->viid);
2565
2566         end_synchronized_op(sc, 0);
2567
2568         return (0);
2569 }
2570
2571 static struct callout fatal_callout;
2572
2573 static void
2574 delayed_panic(void *arg)
2575 {
2576         struct adapter *sc = arg;
2577
2578         panic("%s: panic on fatal error", device_get_nameunit(sc->dev));
2579 }
2580
2581 void
2582 t4_fatal_err(struct adapter *sc, bool fw_error)
2583 {
2584
2585         t4_shutdown_adapter(sc);
2586         log(LOG_ALERT, "%s: encountered fatal error, adapter stopped.\n",
2587             device_get_nameunit(sc->dev));
2588         if (fw_error) {
2589                 ASSERT_SYNCHRONIZED_OP(sc);
2590                 sc->flags |= ADAP_ERR;
2591         } else {
2592                 ADAPTER_LOCK(sc);
2593                 sc->flags |= ADAP_ERR;
2594                 ADAPTER_UNLOCK(sc);
2595         }
2596
2597         if (t4_panic_on_fatal_err) {
2598                 log(LOG_ALERT, "%s: panic on fatal error after 30s",
2599                     device_get_nameunit(sc->dev));
2600                 callout_reset(&fatal_callout, hz * 30, delayed_panic, sc);
2601         }
2602 }
2603
2604 void
2605 t4_add_adapter(struct adapter *sc)
2606 {
2607         sx_xlock(&t4_list_lock);
2608         SLIST_INSERT_HEAD(&t4_list, sc, link);
2609         sx_xunlock(&t4_list_lock);
2610 }
2611
2612 int
2613 t4_map_bars_0_and_4(struct adapter *sc)
2614 {
2615         sc->regs_rid = PCIR_BAR(0);
2616         sc->regs_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
2617             &sc->regs_rid, RF_ACTIVE);
2618         if (sc->regs_res == NULL) {
2619                 device_printf(sc->dev, "cannot map registers.\n");
2620                 return (ENXIO);
2621         }
2622         sc->bt = rman_get_bustag(sc->regs_res);
2623         sc->bh = rman_get_bushandle(sc->regs_res);
2624         sc->mmio_len = rman_get_size(sc->regs_res);
2625         setbit(&sc->doorbells, DOORBELL_KDB);
2626
2627         sc->msix_rid = PCIR_BAR(4);
2628         sc->msix_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
2629             &sc->msix_rid, RF_ACTIVE);
2630         if (sc->msix_res == NULL) {
2631                 device_printf(sc->dev, "cannot map MSI-X BAR.\n");
2632                 return (ENXIO);
2633         }
2634
2635         return (0);
2636 }
2637
2638 int
2639 t4_map_bar_2(struct adapter *sc)
2640 {
2641
2642         /*
2643          * T4: only iWARP driver uses the userspace doorbells.  There is no need
2644          * to map it if RDMA is disabled.
2645          */
2646         if (is_t4(sc) && sc->rdmacaps == 0)
2647                 return (0);
2648
2649         sc->udbs_rid = PCIR_BAR(2);
2650         sc->udbs_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
2651             &sc->udbs_rid, RF_ACTIVE);
2652         if (sc->udbs_res == NULL) {
2653                 device_printf(sc->dev, "cannot map doorbell BAR.\n");
2654                 return (ENXIO);
2655         }
2656         sc->udbs_base = rman_get_virtual(sc->udbs_res);
2657
2658         if (chip_id(sc) >= CHELSIO_T5) {
2659                 setbit(&sc->doorbells, DOORBELL_UDB);
2660 #if defined(__i386__) || defined(__amd64__)
2661                 if (t5_write_combine) {
2662                         int rc, mode;
2663
2664                         /*
2665                          * Enable write combining on BAR2.  This is the
2666                          * userspace doorbell BAR and is split into 128B
2667                          * (UDBS_SEG_SIZE) doorbell regions, each associated
2668                          * with an egress queue.  The first 64B has the doorbell
2669                          * and the second 64B can be used to submit a tx work
2670                          * request with an implicit doorbell.
2671                          */
2672
2673                         rc = pmap_change_attr((vm_offset_t)sc->udbs_base,
2674                             rman_get_size(sc->udbs_res), PAT_WRITE_COMBINING);
2675                         if (rc == 0) {
2676                                 clrbit(&sc->doorbells, DOORBELL_UDB);
2677                                 setbit(&sc->doorbells, DOORBELL_WCWR);
2678                                 setbit(&sc->doorbells, DOORBELL_UDBWC);
2679                         } else {
2680                                 device_printf(sc->dev,
2681                                     "couldn't enable write combining: %d\n",
2682                                     rc);
2683                         }
2684
2685                         mode = is_t5(sc) ? V_STATMODE(0) : V_T6_STATMODE(0);
2686                         t4_write_reg(sc, A_SGE_STAT_CFG,
2687                             V_STATSOURCE_T5(7) | mode);
2688                 }
2689 #endif
2690         }
2691         sc->iwt.wc_en = isset(&sc->doorbells, DOORBELL_UDBWC) ? 1 : 0;
2692
2693         return (0);
2694 }
2695
2696 struct memwin_init {
2697         uint32_t base;
2698         uint32_t aperture;
2699 };
2700
2701 static const struct memwin_init t4_memwin[NUM_MEMWIN] = {
2702         { MEMWIN0_BASE, MEMWIN0_APERTURE },
2703         { MEMWIN1_BASE, MEMWIN1_APERTURE },
2704         { MEMWIN2_BASE_T4, MEMWIN2_APERTURE_T4 }
2705 };
2706
2707 static const struct memwin_init t5_memwin[NUM_MEMWIN] = {
2708         { MEMWIN0_BASE, MEMWIN0_APERTURE },
2709         { MEMWIN1_BASE, MEMWIN1_APERTURE },
2710         { MEMWIN2_BASE_T5, MEMWIN2_APERTURE_T5 },
2711 };
2712
2713 static void
2714 setup_memwin(struct adapter *sc)
2715 {
2716         const struct memwin_init *mw_init;
2717         struct memwin *mw;
2718         int i;
2719         uint32_t bar0;
2720
2721         if (is_t4(sc)) {
2722                 /*
2723                  * Read low 32b of bar0 indirectly via the hardware backdoor
2724                  * mechanism.  Works from within PCI passthrough environments
2725                  * too, where rman_get_start() can return a different value.  We
2726                  * need to program the T4 memory window decoders with the actual
2727                  * addresses that will be coming across the PCIe link.
2728                  */
2729                 bar0 = t4_hw_pci_read_cfg4(sc, PCIR_BAR(0));
2730                 bar0 &= (uint32_t) PCIM_BAR_MEM_BASE;
2731
2732                 mw_init = &t4_memwin[0];
2733         } else {
2734                 /* T5+ use the relative offset inside the PCIe BAR */
2735                 bar0 = 0;
2736
2737                 mw_init = &t5_memwin[0];
2738         }
2739
2740         for (i = 0, mw = &sc->memwin[0]; i < NUM_MEMWIN; i++, mw_init++, mw++) {
2741                 rw_init(&mw->mw_lock, "memory window access");
2742                 mw->mw_base = mw_init->base;
2743                 mw->mw_aperture = mw_init->aperture;
2744                 mw->mw_curpos = 0;
2745                 t4_write_reg(sc,
2746                     PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, i),
2747                     (mw->mw_base + bar0) | V_BIR(0) |
2748                     V_WINDOW(ilog2(mw->mw_aperture) - 10));
2749                 rw_wlock(&mw->mw_lock);
2750                 position_memwin(sc, i, 0);
2751                 rw_wunlock(&mw->mw_lock);
2752         }
2753
2754         /* flush */
2755         t4_read_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, 2));
2756 }
2757
2758 /*
2759  * Positions the memory window at the given address in the card's address space.
2760  * There are some alignment requirements and the actual position may be at an
2761  * address prior to the requested address.  mw->mw_curpos always has the actual
2762  * position of the window.
2763  */
2764 static void
2765 position_memwin(struct adapter *sc, int idx, uint32_t addr)
2766 {
2767         struct memwin *mw;
2768         uint32_t pf;
2769         uint32_t reg;
2770
2771         MPASS(idx >= 0 && idx < NUM_MEMWIN);
2772         mw = &sc->memwin[idx];
2773         rw_assert(&mw->mw_lock, RA_WLOCKED);
2774
2775         if (is_t4(sc)) {
2776                 pf = 0;
2777                 mw->mw_curpos = addr & ~0xf;    /* start must be 16B aligned */
2778         } else {
2779                 pf = V_PFNUM(sc->pf);
2780                 mw->mw_curpos = addr & ~0x7f;   /* start must be 128B aligned */
2781         }
2782         reg = PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, idx);
2783         t4_write_reg(sc, reg, mw->mw_curpos | pf);
2784         t4_read_reg(sc, reg);   /* flush */
2785 }
2786
2787 int
2788 rw_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val,
2789     int len, int rw)
2790 {
2791         struct memwin *mw;
2792         uint32_t mw_end, v;
2793
2794         MPASS(idx >= 0 && idx < NUM_MEMWIN);
2795
2796         /* Memory can only be accessed in naturally aligned 4 byte units */
2797         if (addr & 3 || len & 3 || len <= 0)
2798                 return (EINVAL);
2799
2800         mw = &sc->memwin[idx];
2801         while (len > 0) {
2802                 rw_rlock(&mw->mw_lock);
2803                 mw_end = mw->mw_curpos + mw->mw_aperture;
2804                 if (addr >= mw_end || addr < mw->mw_curpos) {
2805                         /* Will need to reposition the window */
2806                         if (!rw_try_upgrade(&mw->mw_lock)) {
2807                                 rw_runlock(&mw->mw_lock);
2808                                 rw_wlock(&mw->mw_lock);
2809                         }
2810                         rw_assert(&mw->mw_lock, RA_WLOCKED);
2811                         position_memwin(sc, idx, addr);
2812                         rw_downgrade(&mw->mw_lock);
2813                         mw_end = mw->mw_curpos + mw->mw_aperture;
2814                 }
2815                 rw_assert(&mw->mw_lock, RA_RLOCKED);
2816                 while (addr < mw_end && len > 0) {
2817                         if (rw == 0) {
2818                                 v = t4_read_reg(sc, mw->mw_base + addr -
2819                                     mw->mw_curpos);
2820                                 *val++ = le32toh(v);
2821                         } else {
2822                                 v = *val++;
2823                                 t4_write_reg(sc, mw->mw_base + addr -
2824                                     mw->mw_curpos, htole32(v));
2825                         }
2826                         addr += 4;
2827                         len -= 4;
2828                 }
2829                 rw_runlock(&mw->mw_lock);
2830         }
2831
2832         return (0);
2833 }
2834
2835 int
2836 alloc_atid_tab(struct tid_info *t, int flags)
2837 {
2838         int i;
2839
2840         MPASS(t->natids > 0);
2841         MPASS(t->atid_tab == NULL);
2842
2843         t->atid_tab = malloc(t->natids * sizeof(*t->atid_tab), M_CXGBE,
2844             M_ZERO | flags);
2845         if (t->atid_tab == NULL)
2846                 return (ENOMEM);
2847         mtx_init(&t->atid_lock, "atid lock", NULL, MTX_DEF);
2848         t->afree = t->atid_tab;
2849         t->atids_in_use = 0;
2850         for (i = 1; i < t->natids; i++)
2851                 t->atid_tab[i - 1].next = &t->atid_tab[i];
2852         t->atid_tab[t->natids - 1].next = NULL;
2853
2854         return (0);
2855 }
2856
2857 void
2858 free_atid_tab(struct tid_info *t)
2859 {
2860
2861         KASSERT(t->atids_in_use == 0,
2862             ("%s: %d atids still in use.", __func__, t->atids_in_use));
2863
2864         if (mtx_initialized(&t->atid_lock))
2865                 mtx_destroy(&t->atid_lock);
2866         free(t->atid_tab, M_CXGBE);
2867         t->atid_tab = NULL;
2868 }
2869
2870 int
2871 alloc_atid(struct adapter *sc, void *ctx)
2872 {
2873         struct tid_info *t = &sc->tids;
2874         int atid = -1;
2875
2876         mtx_lock(&t->atid_lock);
2877         if (t->afree) {
2878                 union aopen_entry *p = t->afree;
2879
2880                 atid = p - t->atid_tab;
2881                 MPASS(atid <= M_TID_TID);
2882                 t->afree = p->next;
2883                 p->data = ctx;
2884                 t->atids_in_use++;
2885         }
2886         mtx_unlock(&t->atid_lock);
2887         return (atid);
2888 }
2889
2890 void *
2891 lookup_atid(struct adapter *sc, int atid)
2892 {
2893         struct tid_info *t = &sc->tids;
2894
2895         return (t->atid_tab[atid].data);
2896 }
2897
2898 void
2899 free_atid(struct adapter *sc, int atid)
2900 {
2901         struct tid_info *t = &sc->tids;
2902         union aopen_entry *p = &t->atid_tab[atid];
2903
2904         mtx_lock(&t->atid_lock);
2905         p->next = t->afree;
2906         t->afree = p;
2907         t->atids_in_use--;
2908         mtx_unlock(&t->atid_lock);
2909 }
2910
2911 static void
2912 queue_tid_release(struct adapter *sc, int tid)
2913 {
2914
2915         CXGBE_UNIMPLEMENTED("deferred tid release");
2916 }
2917
2918 void
2919 release_tid(struct adapter *sc, int tid, struct sge_wrq *ctrlq)
2920 {
2921         struct wrqe *wr;
2922         struct cpl_tid_release *req;
2923
2924         wr = alloc_wrqe(sizeof(*req), ctrlq);
2925         if (wr == NULL) {
2926                 queue_tid_release(sc, tid);     /* defer */
2927                 return;
2928         }
2929         req = wrtod(wr);
2930
2931         INIT_TP_WR_MIT_CPL(req, CPL_TID_RELEASE, tid);
2932
2933         t4_wrq_tx(sc, wr);
2934 }
2935
2936 static int
2937 t4_range_cmp(const void *a, const void *b)
2938 {
2939         return ((const struct t4_range *)a)->start -
2940                ((const struct t4_range *)b)->start;
2941 }
2942
2943 /*
2944  * Verify that the memory range specified by the addr/len pair is valid within
2945  * the card's address space.
2946  */
2947 static int
2948 validate_mem_range(struct adapter *sc, uint32_t addr, uint32_t len)
2949 {
2950         struct t4_range mem_ranges[4], *r, *next;
2951         uint32_t em, addr_len;
2952         int i, n, remaining;
2953
2954         /* Memory can only be accessed in naturally aligned 4 byte units */
2955         if (addr & 3 || len & 3 || len == 0)
2956                 return (EINVAL);
2957
2958         /* Enabled memories */
2959         em = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
2960
2961         r = &mem_ranges[0];
2962         n = 0;
2963         bzero(r, sizeof(mem_ranges));
2964         if (em & F_EDRAM0_ENABLE) {
2965                 addr_len = t4_read_reg(sc, A_MA_EDRAM0_BAR);
2966                 r->size = G_EDRAM0_SIZE(addr_len) << 20;
2967                 if (r->size > 0) {
2968                         r->start = G_EDRAM0_BASE(addr_len) << 20;
2969                         if (addr >= r->start &&
2970                             addr + len <= r->start + r->size)
2971                                 return (0);
2972                         r++;
2973                         n++;
2974                 }
2975         }
2976         if (em & F_EDRAM1_ENABLE) {
2977                 addr_len = t4_read_reg(sc, A_MA_EDRAM1_BAR);
2978                 r->size = G_EDRAM1_SIZE(addr_len) << 20;
2979                 if (r->size > 0) {
2980                         r->start = G_EDRAM1_BASE(addr_len) << 20;
2981                         if (addr >= r->start &&
2982                             addr + len <= r->start + r->size)
2983                                 return (0);
2984                         r++;
2985                         n++;
2986                 }
2987         }
2988         if (em & F_EXT_MEM_ENABLE) {
2989                 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
2990                 r->size = G_EXT_MEM_SIZE(addr_len) << 20;
2991                 if (r->size > 0) {
2992                         r->start = G_EXT_MEM_BASE(addr_len) << 20;
2993                         if (addr >= r->start &&
2994                             addr + len <= r->start + r->size)
2995                                 return (0);
2996                         r++;
2997                         n++;
2998                 }
2999         }
3000         if (is_t5(sc) && em & F_EXT_MEM1_ENABLE) {
3001                 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR);
3002                 r->size = G_EXT_MEM1_SIZE(addr_len) << 20;
3003                 if (r->size > 0) {
3004                         r->start = G_EXT_MEM1_BASE(addr_len) << 20;
3005                         if (addr >= r->start &&
3006                             addr + len <= r->start + r->size)
3007                                 return (0);
3008                         r++;
3009                         n++;
3010                 }
3011         }
3012         MPASS(n <= nitems(mem_ranges));
3013
3014         if (n > 1) {
3015                 /* Sort and merge the ranges. */
3016                 qsort(mem_ranges, n, sizeof(struct t4_range), t4_range_cmp);
3017
3018                 /* Start from index 0 and examine the next n - 1 entries. */
3019                 r = &mem_ranges[0];
3020                 for (remaining = n - 1; remaining > 0; remaining--, r++) {
3021
3022                         MPASS(r->size > 0);     /* r is a valid entry. */
3023                         next = r + 1;
3024                         MPASS(next->size > 0);  /* and so is the next one. */
3025
3026                         while (r->start + r->size >= next->start) {
3027                                 /* Merge the next one into the current entry. */
3028                                 r->size = max(r->start + r->size,
3029                                     next->start + next->size) - r->start;
3030                                 n--;    /* One fewer entry in total. */
3031                                 if (--remaining == 0)
3032                                         goto done;      /* short circuit */
3033                                 next++;
3034                         }
3035                         if (next != r + 1) {
3036                                 /*
3037                                  * Some entries were merged into r and next
3038                                  * points to the first valid entry that couldn't
3039                                  * be merged.
3040                                  */
3041                                 MPASS(next->size > 0);  /* must be valid */
3042                                 memcpy(r + 1, next, remaining * sizeof(*r));
3043 #ifdef INVARIANTS
3044                                 /*
3045                                  * This so that the foo->size assertion in the
3046                                  * next iteration of the loop do the right
3047                                  * thing for entries that were pulled up and are
3048                                  * no longer valid.
3049                                  */
3050                                 MPASS(n < nitems(mem_ranges));
3051                                 bzero(&mem_ranges[n], (nitems(mem_ranges) - n) *
3052                                     sizeof(struct t4_range));
3053 #endif
3054                         }
3055                 }
3056 done:
3057                 /* Done merging the ranges. */
3058                 MPASS(n > 0);
3059                 r = &mem_ranges[0];
3060                 for (i = 0; i < n; i++, r++) {
3061                         if (addr >= r->start &&
3062                             addr + len <= r->start + r->size)
3063                                 return (0);
3064                 }
3065         }
3066
3067         return (EFAULT);
3068 }
3069
3070 static int
3071 fwmtype_to_hwmtype(int mtype)
3072 {
3073
3074         switch (mtype) {
3075         case FW_MEMTYPE_EDC0:
3076                 return (MEM_EDC0);
3077         case FW_MEMTYPE_EDC1:
3078                 return (MEM_EDC1);
3079         case FW_MEMTYPE_EXTMEM:
3080                 return (MEM_MC0);
3081         case FW_MEMTYPE_EXTMEM1:
3082                 return (MEM_MC1);
3083         default:
3084                 panic("%s: cannot translate fw mtype %d.", __func__, mtype);
3085         }
3086 }
3087
3088 /*
3089  * Verify that the memory range specified by the memtype/offset/len pair is
3090  * valid and lies entirely within the memtype specified.  The global address of
3091  * the start of the range is returned in addr.
3092  */
3093 static int
3094 validate_mt_off_len(struct adapter *sc, int mtype, uint32_t off, uint32_t len,
3095     uint32_t *addr)
3096 {
3097         uint32_t em, addr_len, maddr;
3098
3099         /* Memory can only be accessed in naturally aligned 4 byte units */
3100         if (off & 3 || len & 3 || len == 0)
3101                 return (EINVAL);
3102
3103         em = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
3104         switch (fwmtype_to_hwmtype(mtype)) {
3105         case MEM_EDC0:
3106                 if (!(em & F_EDRAM0_ENABLE))
3107                         return (EINVAL);
3108                 addr_len = t4_read_reg(sc, A_MA_EDRAM0_BAR);
3109                 maddr = G_EDRAM0_BASE(addr_len) << 20;
3110                 break;
3111         case MEM_EDC1:
3112                 if (!(em & F_EDRAM1_ENABLE))
3113                         return (EINVAL);
3114                 addr_len = t4_read_reg(sc, A_MA_EDRAM1_BAR);
3115                 maddr = G_EDRAM1_BASE(addr_len) << 20;
3116                 break;
3117         case MEM_MC:
3118                 if (!(em & F_EXT_MEM_ENABLE))
3119                         return (EINVAL);
3120                 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
3121                 maddr = G_EXT_MEM_BASE(addr_len) << 20;
3122                 break;
3123         case MEM_MC1:
3124                 if (!is_t5(sc) || !(em & F_EXT_MEM1_ENABLE))
3125                         return (EINVAL);
3126                 addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR);
3127                 maddr = G_EXT_MEM1_BASE(addr_len) << 20;
3128                 break;
3129         default:
3130                 return (EINVAL);
3131         }
3132
3133         *addr = maddr + off;    /* global address */
3134         return (validate_mem_range(sc, *addr, len));
3135 }
3136
3137 static int
3138 fixup_devlog_params(struct adapter *sc)
3139 {
3140         struct devlog_params *dparams = &sc->params.devlog;
3141         int rc;
3142
3143         rc = validate_mt_off_len(sc, dparams->memtype, dparams->start,
3144             dparams->size, &dparams->addr);
3145
3146         return (rc);
3147 }
3148
3149 static void
3150 update_nirq(struct intrs_and_queues *iaq, int nports)
3151 {
3152         int extra = T4_EXTRA_INTR;
3153
3154         iaq->nirq = extra;
3155         iaq->nirq += nports * (iaq->nrxq + iaq->nofldrxq);
3156         iaq->nirq += nports * (iaq->num_vis - 1) *
3157             max(iaq->nrxq_vi, iaq->nnmrxq_vi);
3158         iaq->nirq += nports * (iaq->num_vis - 1) * iaq->nofldrxq_vi;
3159 }
3160
3161 /*
3162  * Adjust requirements to fit the number of interrupts available.
3163  */
3164 static void
3165 calculate_iaq(struct adapter *sc, struct intrs_and_queues *iaq, int itype,
3166     int navail)
3167 {
3168         int old_nirq;
3169         const int nports = sc->params.nports;
3170
3171         MPASS(nports > 0);
3172         MPASS(navail > 0);
3173
3174         bzero(iaq, sizeof(*iaq));
3175         iaq->intr_type = itype;
3176         iaq->num_vis = t4_num_vis;
3177         iaq->ntxq = t4_ntxq;
3178         iaq->ntxq_vi = t4_ntxq_vi;
3179         iaq->nrxq = t4_nrxq;
3180         iaq->nrxq_vi = t4_nrxq_vi;
3181 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
3182         if (is_offload(sc) || is_ethoffload(sc)) {
3183                 iaq->nofldtxq = t4_nofldtxq;
3184                 iaq->nofldtxq_vi = t4_nofldtxq_vi;
3185         }
3186 #endif
3187 #ifdef TCP_OFFLOAD
3188         if (is_offload(sc)) {
3189                 iaq->nofldrxq = t4_nofldrxq;
3190                 iaq->nofldrxq_vi = t4_nofldrxq_vi;
3191         }
3192 #endif
3193 #ifdef DEV_NETMAP
3194         iaq->nnmtxq_vi = t4_nnmtxq_vi;
3195         iaq->nnmrxq_vi = t4_nnmrxq_vi;
3196 #endif
3197
3198         update_nirq(iaq, nports);
3199         if (iaq->nirq <= navail &&
3200             (itype != INTR_MSI || powerof2(iaq->nirq))) {
3201                 /*
3202                  * This is the normal case -- there are enough interrupts for
3203                  * everything.
3204                  */
3205                 goto done;
3206         }
3207
3208         /*
3209          * If extra VIs have been configured try reducing their count and see if
3210          * that works.
3211          */
3212         while (iaq->num_vis > 1) {
3213                 iaq->num_vis--;
3214                 update_nirq(iaq, nports);
3215                 if (iaq->nirq <= navail &&
3216                     (itype != INTR_MSI || powerof2(iaq->nirq))) {
3217                         device_printf(sc->dev, "virtual interfaces per port "
3218                             "reduced to %d from %d.  nrxq=%u, nofldrxq=%u, "
3219                             "nrxq_vi=%u nofldrxq_vi=%u, nnmrxq_vi=%u.  "
3220                             "itype %d, navail %u, nirq %d.\n",
3221                             iaq->num_vis, t4_num_vis, iaq->nrxq, iaq->nofldrxq,
3222                             iaq->nrxq_vi, iaq->nofldrxq_vi, iaq->nnmrxq_vi,
3223                             itype, navail, iaq->nirq);
3224                         goto done;
3225                 }
3226         }
3227
3228         /*
3229          * Extra VIs will not be created.  Log a message if they were requested.
3230          */
3231         MPASS(iaq->num_vis == 1);
3232         iaq->ntxq_vi = iaq->nrxq_vi = 0;
3233         iaq->nofldtxq_vi = iaq->nofldrxq_vi = 0;
3234         iaq->nnmtxq_vi = iaq->nnmrxq_vi = 0;
3235         if (iaq->num_vis != t4_num_vis) {
3236                 device_printf(sc->dev, "extra virtual interfaces disabled.  "
3237                     "nrxq=%u, nofldrxq=%u, nrxq_vi=%u nofldrxq_vi=%u, "
3238                     "nnmrxq_vi=%u.  itype %d, navail %u, nirq %d.\n",
3239                     iaq->nrxq, iaq->nofldrxq, iaq->nrxq_vi, iaq->nofldrxq_vi,
3240                     iaq->nnmrxq_vi, itype, navail, iaq->nirq);
3241         }
3242
3243         /*
3244          * Keep reducing the number of NIC rx queues to the next lower power of
3245          * 2 (for even RSS distribution) and halving the TOE rx queues and see
3246          * if that works.
3247          */
3248         do {
3249                 if (iaq->nrxq > 1) {
3250                         do {
3251                                 iaq->nrxq--;
3252                         } while (!powerof2(iaq->nrxq));
3253                 }
3254                 if (iaq->nofldrxq > 1)
3255                         iaq->nofldrxq >>= 1;
3256
3257                 old_nirq = iaq->nirq;
3258                 update_nirq(iaq, nports);
3259                 if (iaq->nirq <= navail &&
3260                     (itype != INTR_MSI || powerof2(iaq->nirq))) {
3261                         device_printf(sc->dev, "running with reduced number of "
3262                             "rx queues because of shortage of interrupts.  "
3263                             "nrxq=%u, nofldrxq=%u.  "
3264                             "itype %d, navail %u, nirq %d.\n", iaq->nrxq,
3265                             iaq->nofldrxq, itype, navail, iaq->nirq);
3266                         goto done;
3267                 }
3268         } while (old_nirq != iaq->nirq);
3269
3270         /* One interrupt for everything.  Ugh. */
3271         device_printf(sc->dev, "running with minimal number of queues.  "
3272             "itype %d, navail %u.\n", itype, navail);
3273         iaq->nirq = 1;
3274         MPASS(iaq->nrxq == 1);
3275         iaq->ntxq = 1;
3276         if (iaq->nofldrxq > 1)
3277                 iaq->nofldtxq = 1;
3278 done:
3279         MPASS(iaq->num_vis > 0);
3280         if (iaq->num_vis > 1) {
3281                 MPASS(iaq->nrxq_vi > 0);
3282                 MPASS(iaq->ntxq_vi > 0);
3283         }
3284         MPASS(iaq->nirq > 0);
3285         MPASS(iaq->nrxq > 0);
3286         MPASS(iaq->ntxq > 0);
3287         if (itype == INTR_MSI) {
3288                 MPASS(powerof2(iaq->nirq));
3289         }
3290 }
3291
3292 static int
3293 cfg_itype_and_nqueues(struct adapter *sc, struct intrs_and_queues *iaq)
3294 {
3295         int rc, itype, navail, nalloc;
3296
3297         for (itype = INTR_MSIX; itype; itype >>= 1) {
3298
3299                 if ((itype & t4_intr_types) == 0)
3300                         continue;       /* not allowed */
3301
3302                 if (itype == INTR_MSIX)
3303                         navail = pci_msix_count(sc->dev);
3304                 else if (itype == INTR_MSI)
3305                         navail = pci_msi_count(sc->dev);
3306                 else
3307                         navail = 1;
3308 restart:
3309                 if (navail == 0)
3310                         continue;
3311
3312                 calculate_iaq(sc, iaq, itype, navail);
3313                 nalloc = iaq->nirq;
3314                 rc = 0;
3315                 if (itype == INTR_MSIX)
3316                         rc = pci_alloc_msix(sc->dev, &nalloc);
3317                 else if (itype == INTR_MSI)
3318                         rc = pci_alloc_msi(sc->dev, &nalloc);
3319
3320                 if (rc == 0 && nalloc > 0) {
3321                         if (nalloc == iaq->nirq)
3322                                 return (0);
3323
3324                         /*
3325                          * Didn't get the number requested.  Use whatever number
3326                          * the kernel is willing to allocate.
3327                          */
3328                         device_printf(sc->dev, "fewer vectors than requested, "
3329                             "type=%d, req=%d, rcvd=%d; will downshift req.\n",
3330                             itype, iaq->nirq, nalloc);
3331                         pci_release_msi(sc->dev);
3332                         navail = nalloc;
3333                         goto restart;
3334                 }
3335
3336                 device_printf(sc->dev,
3337                     "failed to allocate vectors:%d, type=%d, req=%d, rcvd=%d\n",
3338                     itype, rc, iaq->nirq, nalloc);
3339         }
3340
3341         device_printf(sc->dev,
3342             "failed to find a usable interrupt type.  "
3343             "allowed=%d, msi-x=%d, msi=%d, intx=1", t4_intr_types,
3344             pci_msix_count(sc->dev), pci_msi_count(sc->dev));
3345
3346         return (ENXIO);
3347 }
3348
3349 #define FW_VERSION(chip) ( \
3350     V_FW_HDR_FW_VER_MAJOR(chip##FW_VERSION_MAJOR) | \
3351     V_FW_HDR_FW_VER_MINOR(chip##FW_VERSION_MINOR) | \
3352     V_FW_HDR_FW_VER_MICRO(chip##FW_VERSION_MICRO) | \
3353     V_FW_HDR_FW_VER_BUILD(chip##FW_VERSION_BUILD))
3354 #define FW_INTFVER(chip, intf) (chip##FW_HDR_INTFVER_##intf)
3355
3356 /* Just enough of fw_hdr to cover all version info. */
3357 struct fw_h {
3358         __u8    ver;
3359         __u8    chip;
3360         __be16  len512;
3361         __be32  fw_ver;
3362         __be32  tp_microcode_ver;
3363         __u8    intfver_nic;
3364         __u8    intfver_vnic;
3365         __u8    intfver_ofld;
3366         __u8    intfver_ri;
3367         __u8    intfver_iscsipdu;
3368         __u8    intfver_iscsi;
3369         __u8    intfver_fcoepdu;
3370         __u8    intfver_fcoe;
3371 };
3372 /* Spot check a couple of fields. */
3373 CTASSERT(offsetof(struct fw_h, fw_ver) == offsetof(struct fw_hdr, fw_ver));
3374 CTASSERT(offsetof(struct fw_h, intfver_nic) == offsetof(struct fw_hdr, intfver_nic));
3375 CTASSERT(offsetof(struct fw_h, intfver_fcoe) == offsetof(struct fw_hdr, intfver_fcoe));
3376
3377 struct fw_info {
3378         uint8_t chip;
3379         char *kld_name;
3380         char *fw_mod_name;
3381         struct fw_h fw_h;
3382 } fw_info[] = {
3383         {
3384                 .chip = CHELSIO_T4,
3385                 .kld_name = "t4fw_cfg",
3386                 .fw_mod_name = "t4fw",
3387                 .fw_h = {
3388                         .chip = FW_HDR_CHIP_T4,
3389                         .fw_ver = htobe32(FW_VERSION(T4)),
3390                         .intfver_nic = FW_INTFVER(T4, NIC),
3391                         .intfver_vnic = FW_INTFVER(T4, VNIC),
3392                         .intfver_ofld = FW_INTFVER(T4, OFLD),
3393                         .intfver_ri = FW_INTFVER(T4, RI),
3394                         .intfver_iscsipdu = FW_INTFVER(T4, ISCSIPDU),
3395                         .intfver_iscsi = FW_INTFVER(T4, ISCSI),
3396                         .intfver_fcoepdu = FW_INTFVER(T4, FCOEPDU),
3397                         .intfver_fcoe = FW_INTFVER(T4, FCOE),
3398                 },
3399         }, {
3400                 .chip = CHELSIO_T5,
3401                 .kld_name = "t5fw_cfg",
3402                 .fw_mod_name = "t5fw",
3403                 .fw_h = {
3404                         .chip = FW_HDR_CHIP_T5,
3405                         .fw_ver = htobe32(FW_VERSION(T5)),
3406                         .intfver_nic = FW_INTFVER(T5, NIC),
3407                         .intfver_vnic = FW_INTFVER(T5, VNIC),
3408                         .intfver_ofld = FW_INTFVER(T5, OFLD),
3409                         .intfver_ri = FW_INTFVER(T5, RI),
3410                         .intfver_iscsipdu = FW_INTFVER(T5, ISCSIPDU),
3411                         .intfver_iscsi = FW_INTFVER(T5, ISCSI),
3412                         .intfver_fcoepdu = FW_INTFVER(T5, FCOEPDU),
3413                         .intfver_fcoe = FW_INTFVER(T5, FCOE),
3414                 },
3415         }, {
3416                 .chip = CHELSIO_T6,
3417                 .kld_name = "t6fw_cfg",
3418                 .fw_mod_name = "t6fw",
3419                 .fw_h = {
3420                         .chip = FW_HDR_CHIP_T6,
3421                         .fw_ver = htobe32(FW_VERSION(T6)),
3422                         .intfver_nic = FW_INTFVER(T6, NIC),
3423                         .intfver_vnic = FW_INTFVER(T6, VNIC),
3424                         .intfver_ofld = FW_INTFVER(T6, OFLD),
3425                         .intfver_ri = FW_INTFVER(T6, RI),
3426                         .intfver_iscsipdu = FW_INTFVER(T6, ISCSIPDU),
3427                         .intfver_iscsi = FW_INTFVER(T6, ISCSI),
3428                         .intfver_fcoepdu = FW_INTFVER(T6, FCOEPDU),
3429                         .intfver_fcoe = FW_INTFVER(T6, FCOE),
3430                 },
3431         }
3432 };
3433
3434 static struct fw_info *
3435 find_fw_info(int chip)
3436 {
3437         int i;
3438
3439         for (i = 0; i < nitems(fw_info); i++) {
3440                 if (fw_info[i].chip == chip)
3441                         return (&fw_info[i]);
3442         }
3443         return (NULL);
3444 }
3445
3446 /*
3447  * Is the given firmware API compatible with the one the driver was compiled
3448  * with?
3449  */
3450 static int
3451 fw_compatible(const struct fw_h *hdr1, const struct fw_h *hdr2)
3452 {
3453
3454         /* short circuit if it's the exact same firmware version */
3455         if (hdr1->chip == hdr2->chip && hdr1->fw_ver == hdr2->fw_ver)
3456                 return (1);
3457
3458         /*
3459          * XXX: Is this too conservative?  Perhaps I should limit this to the
3460          * features that are supported in the driver.
3461          */
3462 #define SAME_INTF(x) (hdr1->intfver_##x == hdr2->intfver_##x)
3463         if (hdr1->chip == hdr2->chip && SAME_INTF(nic) && SAME_INTF(vnic) &&
3464             SAME_INTF(ofld) && SAME_INTF(ri) && SAME_INTF(iscsipdu) &&
3465             SAME_INTF(iscsi) && SAME_INTF(fcoepdu) && SAME_INTF(fcoe))
3466                 return (1);
3467 #undef SAME_INTF
3468
3469         return (0);
3470 }
3471
3472 static int
3473 load_fw_module(struct adapter *sc, const struct firmware **dcfg,
3474     const struct firmware **fw)
3475 {
3476         struct fw_info *fw_info;
3477
3478         *dcfg = NULL;
3479         if (fw != NULL)
3480                 *fw = NULL;
3481
3482         fw_info = find_fw_info(chip_id(sc));
3483         if (fw_info == NULL) {
3484                 device_printf(sc->dev,
3485                     "unable to look up firmware information for chip %d.\n",
3486                     chip_id(sc));
3487                 return (EINVAL);
3488         }
3489
3490         *dcfg = firmware_get(fw_info->kld_name);
3491         if (*dcfg != NULL) {
3492                 if (fw != NULL)
3493                         *fw = firmware_get(fw_info->fw_mod_name);
3494                 return (0);
3495         }
3496
3497         return (ENOENT);
3498 }
3499
3500 static void
3501 unload_fw_module(struct adapter *sc, const struct firmware *dcfg,
3502     const struct firmware *fw)
3503 {
3504
3505         if (fw != NULL)
3506                 firmware_put(fw, FIRMWARE_UNLOAD);
3507         if (dcfg != NULL)
3508                 firmware_put(dcfg, FIRMWARE_UNLOAD);
3509 }
3510
3511 /*
3512  * Return values:
3513  * 0 means no firmware install attempted.
3514  * ERESTART means a firmware install was attempted and was successful.
3515  * +ve errno means a firmware install was attempted but failed.
3516  */
3517 static int
3518 install_kld_firmware(struct adapter *sc, struct fw_h *card_fw,
3519     const struct fw_h *drv_fw, const char *reason, int *already)
3520 {
3521         const struct firmware *cfg, *fw;
3522         const uint32_t c = be32toh(card_fw->fw_ver);
3523         uint32_t d, k;
3524         int rc, fw_install;
3525         struct fw_h bundled_fw;
3526         bool load_attempted;
3527
3528         cfg = fw = NULL;
3529         load_attempted = false;
3530         fw_install = t4_fw_install < 0 ? -t4_fw_install : t4_fw_install;
3531
3532         if (reason != NULL)
3533                 goto install;
3534
3535         if ((sc->flags & FW_OK) == 0) {
3536
3537                 if (c == 0xffffffff) {
3538                         reason = "missing";
3539                         goto install;
3540                 }
3541
3542                 return (0);
3543         }
3544
3545         memcpy(&bundled_fw, drv_fw, sizeof(bundled_fw));
3546         if (t4_fw_install < 0) {
3547                 rc = load_fw_module(sc, &cfg, &fw);
3548                 if (rc != 0 || fw == NULL) {
3549                         device_printf(sc->dev,
3550                             "failed to load firmware module: %d. cfg %p, fw %p;"
3551                             " will use compiled-in firmware version for"
3552                             "hw.cxgbe.fw_install checks.\n",
3553                             rc, cfg, fw);
3554                 } else {
3555                         memcpy(&bundled_fw, fw->data, sizeof(bundled_fw));
3556                 }
3557                 load_attempted = true;
3558         }
3559         d = be32toh(bundled_fw.fw_ver);
3560
3561         if (!fw_compatible(card_fw, &bundled_fw)) {
3562                 reason = "incompatible or unusable";
3563                 goto install;
3564         }
3565
3566         if (d > c) {
3567                 reason = "older than the version bundled with this driver";
3568                 goto install;
3569         }
3570
3571         if (fw_install == 2 && d != c) {
3572                 reason = "different than the version bundled with this driver";
3573                 goto install;
3574         }
3575
3576         /* No reason to do anything to the firmware already on the card. */
3577         rc = 0;
3578         goto done;
3579
3580 install:
3581         rc = 0;
3582         if ((*already)++)
3583                 goto done;
3584
3585         if (fw_install == 0) {
3586                 device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, "
3587                     "but the driver is prohibited from installing a firmware "
3588                     "on the card.\n",
3589                     G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c),
3590                     G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason);
3591
3592                 goto done;
3593         }
3594
3595         /*
3596          * We'll attempt to install a firmware.  Load the module first (if it
3597          * hasn't been loaded already).
3598          */
3599         if (!load_attempted) {
3600                 rc = load_fw_module(sc, &cfg, &fw);
3601                 if (rc != 0 || fw == NULL) {
3602                         device_printf(sc->dev,
3603                             "failed to load firmware module: %d. cfg %p, fw %p\n",
3604                             rc, cfg, fw);
3605                         /* carry on */
3606                 }
3607         }
3608         if (fw == NULL) {
3609                 device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, "
3610                     "but the driver cannot take corrective action because it "
3611                     "is unable to load the firmware module.\n",
3612                     G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c),
3613                     G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason);
3614                 rc = sc->flags & FW_OK ? 0 : ENOENT;
3615                 goto done;
3616         }
3617         k = be32toh(((const struct fw_hdr *)fw->data)->fw_ver);
3618         if (k != d) {
3619                 MPASS(t4_fw_install > 0);
3620                 device_printf(sc->dev,
3621                     "firmware in KLD (%u.%u.%u.%u) is not what the driver was "
3622                     "expecting (%u.%u.%u.%u) and will not be used.\n",
3623                     G_FW_HDR_FW_VER_MAJOR(k), G_FW_HDR_FW_VER_MINOR(k),
3624                     G_FW_HDR_FW_VER_MICRO(k), G_FW_HDR_FW_VER_BUILD(k),
3625                     G_FW_HDR_FW_VER_MAJOR(d), G_FW_HDR_FW_VER_MINOR(d),
3626                     G_FW_HDR_FW_VER_MICRO(d), G_FW_HDR_FW_VER_BUILD(d));
3627                 rc = sc->flags & FW_OK ? 0 : EINVAL;
3628                 goto done;
3629         }
3630
3631         device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, "
3632             "installing firmware %u.%u.%u.%u on card.\n",
3633             G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c),
3634             G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason,
3635             G_FW_HDR_FW_VER_MAJOR(d), G_FW_HDR_FW_VER_MINOR(d),
3636             G_FW_HDR_FW_VER_MICRO(d), G_FW_HDR_FW_VER_BUILD(d));
3637
3638         rc = -t4_fw_upgrade(sc, sc->mbox, fw->data, fw->datasize, 0);
3639         if (rc != 0) {
3640                 device_printf(sc->dev, "failed to install firmware: %d\n", rc);
3641         } else {
3642                 /* Installed successfully, update the cached header too. */
3643                 rc = ERESTART;
3644                 memcpy(card_fw, fw->data, sizeof(*card_fw));
3645         }
3646 done:
3647         unload_fw_module(sc, cfg, fw);
3648
3649         return (rc);
3650 }
3651
3652 /*
3653  * Establish contact with the firmware and attempt to become the master driver.
3654  *
3655  * A firmware will be installed to the card if needed (if the driver is allowed
3656  * to do so).
3657  */
3658 static int
3659 contact_firmware(struct adapter *sc)
3660 {
3661         int rc, already = 0;
3662         enum dev_state state;
3663         struct fw_info *fw_info;
3664         struct fw_hdr *card_fw;         /* fw on the card */
3665         const struct fw_h *drv_fw;
3666
3667         fw_info = find_fw_info(chip_id(sc));
3668         if (fw_info == NULL) {
3669                 device_printf(sc->dev,
3670                     "unable to look up firmware information for chip %d.\n",
3671                     chip_id(sc));
3672                 return (EINVAL);
3673         }
3674         drv_fw = &fw_info->fw_h;
3675
3676         /* Read the header of the firmware on the card */
3677         card_fw = malloc(sizeof(*card_fw), M_CXGBE, M_ZERO | M_WAITOK);
3678 restart:
3679         rc = -t4_get_fw_hdr(sc, card_fw);
3680         if (rc != 0) {
3681                 device_printf(sc->dev,
3682                     "unable to read firmware header from card's flash: %d\n",
3683                     rc);
3684                 goto done;
3685         }
3686
3687         rc = install_kld_firmware(sc, (struct fw_h *)card_fw, drv_fw, NULL,
3688             &already);
3689         if (rc == ERESTART)
3690                 goto restart;
3691         if (rc != 0)
3692                 goto done;
3693
3694         rc = t4_fw_hello(sc, sc->mbox, sc->mbox, MASTER_MAY, &state);
3695         if (rc < 0 || state == DEV_STATE_ERR) {
3696                 rc = -rc;
3697                 device_printf(sc->dev,
3698                     "failed to connect to the firmware: %d, %d.  "
3699                     "PCIE_FW 0x%08x\n", rc, state, t4_read_reg(sc, A_PCIE_FW));
3700 #if 0
3701                 if (install_kld_firmware(sc, (struct fw_h *)card_fw, drv_fw,
3702                     "not responding properly to HELLO", &already) == ERESTART)
3703                         goto restart;
3704 #endif
3705                 goto done;
3706         }
3707         MPASS(be32toh(card_fw->flags) & FW_HDR_FLAGS_RESET_HALT);
3708         sc->flags |= FW_OK;     /* The firmware responded to the FW_HELLO. */
3709
3710         if (rc == sc->pf) {
3711                 sc->flags |= MASTER_PF;
3712                 rc = install_kld_firmware(sc, (struct fw_h *)card_fw, drv_fw,
3713                     NULL, &already);
3714                 if (rc == ERESTART)
3715                         rc = 0;
3716                 else if (rc != 0)
3717                         goto done;
3718         } else if (state == DEV_STATE_UNINIT) {
3719                 /*
3720                  * We didn't get to be the master so we definitely won't be
3721                  * configuring the chip.  It's a bug if someone else hasn't
3722                  * configured it already.
3723                  */
3724                 device_printf(sc->dev, "couldn't be master(%d), "
3725                     "device not already initialized either(%d).  "
3726                     "PCIE_FW 0x%08x\n", rc, state, t4_read_reg(sc, A_PCIE_FW));
3727                 rc = EPROTO;
3728                 goto done;
3729         } else {
3730                 /*
3731                  * Some other PF is the master and has configured the chip.
3732                  * This is allowed but untested.
3733                  */
3734                 device_printf(sc->dev, "PF%d is master, device state %d.  "
3735                     "PCIE_FW 0x%08x\n", rc, state, t4_read_reg(sc, A_PCIE_FW));
3736                 snprintf(sc->cfg_file, sizeof(sc->cfg_file), "pf%d", rc);
3737                 sc->cfcsum = 0;
3738                 rc = 0;
3739         }
3740 done:
3741         if (rc != 0 && sc->flags & FW_OK) {
3742                 t4_fw_bye(sc, sc->mbox);
3743                 sc->flags &= ~FW_OK;
3744         }
3745         free(card_fw, M_CXGBE);
3746         return (rc);
3747 }
3748
3749 static int
3750 copy_cfg_file_to_card(struct adapter *sc, char *cfg_file,
3751     uint32_t mtype, uint32_t moff)
3752 {
3753         struct fw_info *fw_info;
3754         const struct firmware *dcfg, *rcfg = NULL;
3755         const uint32_t *cfdata;
3756         uint32_t cflen, addr;
3757         int rc;
3758
3759         load_fw_module(sc, &dcfg, NULL);
3760
3761         /* Card specific interpretation of "default". */
3762         if (strncmp(cfg_file, DEFAULT_CF, sizeof(t4_cfg_file)) == 0) {
3763                 if (pci_get_device(sc->dev) == 0x440a)
3764                         snprintf(cfg_file, sizeof(t4_cfg_file), UWIRE_CF);
3765                 if (is_fpga(sc))
3766                         snprintf(cfg_file, sizeof(t4_cfg_file), FPGA_CF);
3767         }
3768
3769         if (strncmp(cfg_file, DEFAULT_CF, sizeof(t4_cfg_file)) == 0) {
3770                 if (dcfg == NULL) {
3771                         device_printf(sc->dev,
3772                             "KLD with default config is not available.\n");
3773                         rc = ENOENT;
3774                         goto done;
3775                 }
3776                 cfdata = dcfg->data;
3777                 cflen = dcfg->datasize & ~3;
3778         } else {
3779                 char s[32];
3780
3781                 fw_info = find_fw_info(chip_id(sc));
3782                 if (fw_info == NULL) {
3783                         device_printf(sc->dev,
3784                             "unable to look up firmware information for chip %d.\n",
3785                             chip_id(sc));
3786                         rc = EINVAL;
3787                         goto done;
3788                 }
3789                 snprintf(s, sizeof(s), "%s_%s", fw_info->kld_name, cfg_file);
3790
3791                 rcfg = firmware_get(s);
3792                 if (rcfg == NULL) {
3793                         device_printf(sc->dev,
3794                             "unable to load module \"%s\" for configuration "
3795                             "profile \"%s\".\n", s, cfg_file);
3796                         rc = ENOENT;
3797                         goto done;
3798                 }
3799                 cfdata = rcfg->data;
3800                 cflen = rcfg->datasize & ~3;
3801         }
3802
3803         if (cflen > FLASH_CFG_MAX_SIZE) {
3804                 device_printf(sc->dev,
3805                     "config file too long (%d, max allowed is %d).\n",
3806                     cflen, FLASH_CFG_MAX_SIZE);
3807                 rc = EINVAL;
3808                 goto done;
3809         }
3810
3811         rc = validate_mt_off_len(sc, mtype, moff, cflen, &addr);
3812         if (rc != 0) {
3813                 device_printf(sc->dev,
3814                     "%s: addr (%d/0x%x) or len %d is not valid: %d.\n",
3815                     __func__, mtype, moff, cflen, rc);
3816                 rc = EINVAL;
3817                 goto done;
3818         }
3819         write_via_memwin(sc, 2, addr, cfdata, cflen);
3820 done:
3821         if (rcfg != NULL)
3822                 firmware_put(rcfg, FIRMWARE_UNLOAD);
3823         unload_fw_module(sc, dcfg, NULL);
3824         return (rc);
3825 }
3826
3827 struct caps_allowed {
3828         uint16_t nbmcaps;
3829         uint16_t linkcaps;
3830         uint16_t switchcaps;
3831         uint16_t niccaps;
3832         uint16_t toecaps;
3833         uint16_t rdmacaps;
3834         uint16_t cryptocaps;
3835         uint16_t iscsicaps;
3836         uint16_t fcoecaps;
3837 };
3838
3839 #define FW_PARAM_DEV(param) \
3840         (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \
3841          V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param))
3842 #define FW_PARAM_PFVF(param) \
3843         (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \
3844          V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param))
3845
3846 /*
3847  * Provide a configuration profile to the firmware and have it initialize the
3848  * chip accordingly.  This may involve uploading a configuration file to the
3849  * card.
3850  */
3851 static int
3852 apply_cfg_and_initialize(struct adapter *sc, char *cfg_file,
3853     const struct caps_allowed *caps_allowed)
3854 {
3855         int rc;
3856         struct fw_caps_config_cmd caps;
3857         uint32_t mtype, moff, finicsum, cfcsum, param, val;
3858
3859         rc = -t4_fw_reset(sc, sc->mbox, F_PIORSTMODE | F_PIORST);
3860         if (rc != 0) {
3861                 device_printf(sc->dev, "firmware reset failed: %d.\n", rc);
3862                 return (rc);
3863         }
3864
3865         bzero(&caps, sizeof(caps));
3866         caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
3867             F_FW_CMD_REQUEST | F_FW_CMD_READ);
3868         if (strncmp(cfg_file, BUILTIN_CF, sizeof(t4_cfg_file)) == 0) {
3869                 mtype = 0;
3870                 moff = 0;
3871                 caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps));
3872         } else if (strncmp(cfg_file, FLASH_CF, sizeof(t4_cfg_file)) == 0) {
3873                 mtype = FW_MEMTYPE_FLASH;
3874                 moff = t4_flash_cfg_addr(sc);
3875                 caps.cfvalid_to_len16 = htobe32(F_FW_CAPS_CONFIG_CMD_CFVALID |
3876                     V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) |
3877                     V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(moff >> 16) |
3878                     FW_LEN16(caps));
3879         } else {
3880                 /*
3881                  * Ask the firmware where it wants us to upload the config file.
3882                  */
3883                 param = FW_PARAM_DEV(CF);
3884                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
3885                 if (rc != 0) {
3886                         /* No support for config file?  Shouldn't happen. */
3887                         device_printf(sc->dev,
3888                             "failed to query config file location: %d.\n", rc);
3889                         goto done;
3890                 }
3891                 mtype = G_FW_PARAMS_PARAM_Y(val);
3892                 moff = G_FW_PARAMS_PARAM_Z(val) << 16;
3893                 caps.cfvalid_to_len16 = htobe32(F_FW_CAPS_CONFIG_CMD_CFVALID |
3894                     V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) |
3895                     V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(moff >> 16) |
3896                     FW_LEN16(caps));
3897
3898                 rc = copy_cfg_file_to_card(sc, cfg_file, mtype, moff);
3899                 if (rc != 0) {
3900                         device_printf(sc->dev,
3901                             "failed to upload config file to card: %d.\n", rc);
3902                         goto done;
3903                 }
3904         }
3905         rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), &caps);
3906         if (rc != 0) {
3907                 device_printf(sc->dev, "failed to pre-process config file: %d "
3908                     "(mtype %d, moff 0x%x).\n", rc, mtype, moff);
3909                 goto done;
3910         }
3911
3912         finicsum = be32toh(caps.finicsum);
3913         cfcsum = be32toh(caps.cfcsum);  /* actual */
3914         if (finicsum != cfcsum) {
3915                 device_printf(sc->dev,
3916                     "WARNING: config file checksum mismatch: %08x %08x\n",
3917                     finicsum, cfcsum);
3918         }
3919         sc->cfcsum = cfcsum;
3920         snprintf(sc->cfg_file, sizeof(sc->cfg_file), "%s", cfg_file);
3921
3922         /*
3923          * Let the firmware know what features will (not) be used so it can tune
3924          * things accordingly.
3925          */
3926 #define LIMIT_CAPS(x) do { \
3927         caps.x##caps &= htobe16(caps_allowed->x##caps); \
3928 } while (0)
3929         LIMIT_CAPS(nbm);
3930         LIMIT_CAPS(link);
3931         LIMIT_CAPS(switch);
3932         LIMIT_CAPS(nic);
3933         LIMIT_CAPS(toe);
3934         LIMIT_CAPS(rdma);
3935         LIMIT_CAPS(crypto);
3936         LIMIT_CAPS(iscsi);
3937         LIMIT_CAPS(fcoe);
3938 #undef LIMIT_CAPS
3939         if (caps.niccaps & htobe16(FW_CAPS_CONFIG_NIC_HASHFILTER)) {
3940                 /*
3941                  * TOE and hashfilters are mutually exclusive.  It is a config
3942                  * file or firmware bug if both are reported as available.  Try
3943                  * to cope with the situation in non-debug builds by disabling
3944                  * TOE.
3945                  */
3946                 MPASS(caps.toecaps == 0);
3947
3948                 caps.toecaps = 0;
3949                 caps.rdmacaps = 0;
3950                 caps.iscsicaps = 0;
3951         }
3952
3953         caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
3954             F_FW_CMD_REQUEST | F_FW_CMD_WRITE);
3955         caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps));
3956         rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), NULL);
3957         if (rc != 0) {
3958                 device_printf(sc->dev,
3959                     "failed to process config file: %d.\n", rc);
3960                 goto done;
3961         }
3962
3963         t4_tweak_chip_settings(sc);
3964         set_params__pre_init(sc);
3965
3966         /* get basic stuff going */
3967         rc = -t4_fw_initialize(sc, sc->mbox);
3968         if (rc != 0) {
3969                 device_printf(sc->dev, "fw_initialize failed: %d.\n", rc);
3970                 goto done;
3971         }
3972 done:
3973         return (rc);
3974 }
3975
3976 /*
3977  * Partition chip resources for use between various PFs, VFs, etc.
3978  */
3979 static int
3980 partition_resources(struct adapter *sc)
3981 {
3982         char cfg_file[sizeof(t4_cfg_file)];
3983         struct caps_allowed caps_allowed;
3984         int rc;
3985         bool fallback;
3986
3987         /* Only the master driver gets to configure the chip resources. */
3988         MPASS(sc->flags & MASTER_PF);
3989
3990 #define COPY_CAPS(x) do { \
3991         caps_allowed.x##caps = t4_##x##caps_allowed; \
3992 } while (0)
3993         bzero(&caps_allowed, sizeof(caps_allowed));
3994         COPY_CAPS(nbm);
3995         COPY_CAPS(link);
3996         COPY_CAPS(switch);
3997         COPY_CAPS(nic);
3998         COPY_CAPS(toe);
3999         COPY_CAPS(rdma);
4000         COPY_CAPS(crypto);
4001         COPY_CAPS(iscsi);
4002         COPY_CAPS(fcoe);
4003         fallback = sc->debug_flags & DF_DISABLE_CFG_RETRY ? false : true;
4004         snprintf(cfg_file, sizeof(cfg_file), "%s", t4_cfg_file);
4005 retry:
4006         rc = apply_cfg_and_initialize(sc, cfg_file, &caps_allowed);
4007         if (rc != 0 && fallback) {
4008                 device_printf(sc->dev,
4009                     "failed (%d) to configure card with \"%s\" profile, "
4010                     "will fall back to a basic configuration and retry.\n",
4011                     rc, cfg_file);
4012                 snprintf(cfg_file, sizeof(cfg_file), "%s", BUILTIN_CF);
4013                 bzero(&caps_allowed, sizeof(caps_allowed));
4014                 COPY_CAPS(nbm);
4015                 COPY_CAPS(link);
4016                 COPY_CAPS(switch);
4017                 COPY_CAPS(nic);
4018                 fallback = false;
4019                 goto retry;
4020         }
4021 #undef COPY_CAPS
4022         return (rc);
4023 }
4024
4025 /*
4026  * Retrieve parameters that are needed (or nice to have) very early.
4027  */
4028 static int
4029 get_params__pre_init(struct adapter *sc)
4030 {
4031         int rc;
4032         uint32_t param[2], val[2];
4033
4034         t4_get_version_info(sc);
4035
4036         snprintf(sc->fw_version, sizeof(sc->fw_version), "%u.%u.%u.%u",
4037             G_FW_HDR_FW_VER_MAJOR(sc->params.fw_vers),
4038             G_FW_HDR_FW_VER_MINOR(sc->params.fw_vers),
4039             G_FW_HDR_FW_VER_MICRO(sc->params.fw_vers),
4040             G_FW_HDR_FW_VER_BUILD(sc->params.fw_vers));
4041
4042         snprintf(sc->bs_version, sizeof(sc->bs_version), "%u.%u.%u.%u",
4043             G_FW_HDR_FW_VER_MAJOR(sc->params.bs_vers),
4044             G_FW_HDR_FW_VER_MINOR(sc->params.bs_vers),
4045             G_FW_HDR_FW_VER_MICRO(sc->params.bs_vers),
4046             G_FW_HDR_FW_VER_BUILD(sc->params.bs_vers));
4047
4048         snprintf(sc->tp_version, sizeof(sc->tp_version), "%u.%u.%u.%u",
4049             G_FW_HDR_FW_VER_MAJOR(sc->params.tp_vers),
4050             G_FW_HDR_FW_VER_MINOR(sc->params.tp_vers),
4051             G_FW_HDR_FW_VER_MICRO(sc->params.tp_vers),
4052             G_FW_HDR_FW_VER_BUILD(sc->params.tp_vers));
4053
4054         snprintf(sc->er_version, sizeof(sc->er_version), "%u.%u.%u.%u",
4055             G_FW_HDR_FW_VER_MAJOR(sc->params.er_vers),
4056             G_FW_HDR_FW_VER_MINOR(sc->params.er_vers),
4057             G_FW_HDR_FW_VER_MICRO(sc->params.er_vers),
4058             G_FW_HDR_FW_VER_BUILD(sc->params.er_vers));
4059
4060         param[0] = FW_PARAM_DEV(PORTVEC);
4061         param[1] = FW_PARAM_DEV(CCLK);
4062         rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
4063         if (rc != 0) {
4064                 device_printf(sc->dev,
4065                     "failed to query parameters (pre_init): %d.\n", rc);
4066                 return (rc);
4067         }
4068
4069         sc->params.portvec = val[0];
4070         sc->params.nports = bitcount32(val[0]);
4071         sc->params.vpd.cclk = val[1];
4072
4073         /* Read device log parameters. */
4074         rc = -t4_init_devlog_params(sc, 1);
4075         if (rc == 0)
4076                 fixup_devlog_params(sc);
4077         else {
4078                 device_printf(sc->dev,
4079                     "failed to get devlog parameters: %d.\n", rc);
4080                 rc = 0; /* devlog isn't critical for device operation */
4081         }
4082
4083         return (rc);
4084 }
4085
4086 /*
4087  * Any params that need to be set before FW_INITIALIZE.
4088  */
4089 static int
4090 set_params__pre_init(struct adapter *sc)
4091 {
4092         int rc = 0;
4093         uint32_t param, val;
4094
4095         if (chip_id(sc) >= CHELSIO_T6) {
4096                 param = FW_PARAM_DEV(HPFILTER_REGION_SUPPORT);
4097                 val = 1;
4098                 rc = -t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
4099                 /* firmwares < 1.20.1.0 do not have this param. */
4100                 if (rc == FW_EINVAL && sc->params.fw_vers <
4101                     (V_FW_HDR_FW_VER_MAJOR(1) | V_FW_HDR_FW_VER_MINOR(20) |
4102                     V_FW_HDR_FW_VER_MICRO(1) | V_FW_HDR_FW_VER_BUILD(0))) {
4103                         rc = 0;
4104                 }
4105                 if (rc != 0) {
4106                         device_printf(sc->dev,
4107                             "failed to enable high priority filters :%d.\n",
4108                             rc);
4109                 }
4110         }
4111
4112         /* Enable opaque VIIDs with firmwares that support it. */
4113         param = FW_PARAM_DEV(OPAQUE_VIID_SMT_EXTN);
4114         val = 1;
4115         rc = -t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
4116         if (rc == 0 && val == 1)
4117                 sc->params.viid_smt_extn_support = true;
4118         else
4119                 sc->params.viid_smt_extn_support = false;
4120
4121         return (rc);
4122 }
4123
4124 /*
4125  * Retrieve various parameters that are of interest to the driver.  The device
4126  * has been initialized by the firmware at this point.
4127  */
4128 static int
4129 get_params__post_init(struct adapter *sc)
4130 {
4131         int rc;
4132         uint32_t param[7], val[7];
4133         struct fw_caps_config_cmd caps;
4134
4135         param[0] = FW_PARAM_PFVF(IQFLINT_START);
4136         param[1] = FW_PARAM_PFVF(EQ_START);
4137         param[2] = FW_PARAM_PFVF(FILTER_START);
4138         param[3] = FW_PARAM_PFVF(FILTER_END);
4139         param[4] = FW_PARAM_PFVF(L2T_START);
4140         param[5] = FW_PARAM_PFVF(L2T_END);
4141         param[6] = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
4142             V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) |
4143             V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_VDD);
4144         rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 7, param, val);
4145         if (rc != 0) {
4146                 device_printf(sc->dev,
4147                     "failed to query parameters (post_init): %d.\n", rc);
4148                 return (rc);
4149         }
4150
4151         sc->sge.iq_start = val[0];
4152         sc->sge.eq_start = val[1];
4153         if ((int)val[3] > (int)val[2]) {
4154                 sc->tids.ftid_base = val[2];
4155                 sc->tids.ftid_end = val[3];
4156                 sc->tids.nftids = val[3] - val[2] + 1;
4157         }
4158         sc->vres.l2t.start = val[4];
4159         sc->vres.l2t.size = val[5] - val[4] + 1;
4160         KASSERT(sc->vres.l2t.size <= L2T_SIZE,
4161             ("%s: L2 table size (%u) larger than expected (%u)",
4162             __func__, sc->vres.l2t.size, L2T_SIZE));
4163         sc->params.core_vdd = val[6];
4164
4165         if (chip_id(sc) >= CHELSIO_T6) {
4166
4167                 sc->tids.tid_base = t4_read_reg(sc,
4168                     A_LE_DB_ACTIVE_TABLE_START_INDEX);
4169
4170                 param[0] = FW_PARAM_PFVF(HPFILTER_START);
4171                 param[1] = FW_PARAM_PFVF(HPFILTER_END);
4172                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
4173                 if (rc != 0) {
4174                         device_printf(sc->dev,
4175                            "failed to query hpfilter parameters: %d.\n", rc);
4176                         return (rc);
4177                 }
4178                 if ((int)val[1] > (int)val[0]) {
4179                         sc->tids.hpftid_base = val[0];
4180                         sc->tids.hpftid_end = val[1];
4181                         sc->tids.nhpftids = val[1] - val[0] + 1;
4182
4183                         /*
4184                          * These should go off if the layout changes and the
4185                          * driver needs to catch up.
4186                          */
4187                         MPASS(sc->tids.hpftid_base == 0);
4188                         MPASS(sc->tids.tid_base == sc->tids.nhpftids);
4189                 }
4190         }
4191
4192         /*
4193          * MPSBGMAP is queried separately because only recent firmwares support
4194          * it as a parameter and we don't want the compound query above to fail
4195          * on older firmwares.
4196          */
4197         param[0] = FW_PARAM_DEV(MPSBGMAP);
4198         val[0] = 0;
4199         rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
4200         if (rc == 0)
4201                 sc->params.mps_bg_map = val[0];
4202         else
4203                 sc->params.mps_bg_map = 0;
4204
4205         /*
4206          * Determine whether the firmware supports the filter2 work request.
4207          * This is queried separately for the same reason as MPSBGMAP above.
4208          */
4209         param[0] = FW_PARAM_DEV(FILTER2_WR);
4210         val[0] = 0;
4211         rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
4212         if (rc == 0)
4213                 sc->params.filter2_wr_support = val[0] != 0;
4214         else
4215                 sc->params.filter2_wr_support = 0;
4216
4217         /*
4218          * Find out whether we're allowed to use the ULPTX MEMWRITE DSGL.
4219          * This is queried separately for the same reason as other params above.
4220          */
4221         param[0] = FW_PARAM_DEV(ULPTX_MEMWRITE_DSGL);
4222         val[0] = 0;
4223         rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
4224         if (rc == 0)
4225                 sc->params.ulptx_memwrite_dsgl = val[0] != 0;
4226         else
4227                 sc->params.ulptx_memwrite_dsgl = false;
4228
4229         /* get capabilites */
4230         bzero(&caps, sizeof(caps));
4231         caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
4232             F_FW_CMD_REQUEST | F_FW_CMD_READ);
4233         caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps));
4234         rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), &caps);
4235         if (rc != 0) {
4236                 device_printf(sc->dev,
4237                     "failed to get card capabilities: %d.\n", rc);
4238                 return (rc);
4239         }
4240
4241 #define READ_CAPS(x) do { \
4242         sc->x = htobe16(caps.x); \
4243 } while (0)
4244         READ_CAPS(nbmcaps);
4245         READ_CAPS(linkcaps);
4246         READ_CAPS(switchcaps);
4247         READ_CAPS(niccaps);
4248         READ_CAPS(toecaps);
4249         READ_CAPS(rdmacaps);
4250         READ_CAPS(cryptocaps);
4251         READ_CAPS(iscsicaps);
4252         READ_CAPS(fcoecaps);
4253
4254         if (sc->niccaps & FW_CAPS_CONFIG_NIC_HASHFILTER) {
4255                 MPASS(chip_id(sc) > CHELSIO_T4);
4256                 MPASS(sc->toecaps == 0);
4257                 sc->toecaps = 0;
4258
4259                 param[0] = FW_PARAM_DEV(NTID);
4260                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
4261                 if (rc != 0) {
4262                         device_printf(sc->dev,
4263                             "failed to query HASHFILTER parameters: %d.\n", rc);
4264                         return (rc);
4265                 }
4266                 sc->tids.ntids = val[0];
4267                 if (sc->params.fw_vers <
4268                     (V_FW_HDR_FW_VER_MAJOR(1) | V_FW_HDR_FW_VER_MINOR(20) |
4269                     V_FW_HDR_FW_VER_MICRO(5) | V_FW_HDR_FW_VER_BUILD(0))) {
4270                         MPASS(sc->tids.ntids >= sc->tids.nhpftids);
4271                         sc->tids.ntids -= sc->tids.nhpftids;
4272                 }
4273                 sc->tids.natids = min(sc->tids.ntids / 2, MAX_ATIDS);
4274                 sc->params.hash_filter = 1;
4275         }
4276         if (sc->niccaps & FW_CAPS_CONFIG_NIC_ETHOFLD) {
4277                 param[0] = FW_PARAM_PFVF(ETHOFLD_START);
4278                 param[1] = FW_PARAM_PFVF(ETHOFLD_END);
4279                 param[2] = FW_PARAM_DEV(FLOWC_BUFFIFO_SZ);
4280                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 3, param, val);
4281                 if (rc != 0) {
4282                         device_printf(sc->dev,
4283                             "failed to query NIC parameters: %d.\n", rc);
4284                         return (rc);
4285                 }
4286                 if ((int)val[1] > (int)val[0]) {
4287                         sc->tids.etid_base = val[0];
4288                         sc->tids.etid_end = val[1];
4289                         sc->tids.netids = val[1] - val[0] + 1;
4290                         sc->params.eo_wr_cred = val[2];
4291                         sc->params.ethoffload = 1;
4292                 }
4293         }
4294         if (sc->toecaps) {
4295                 /* query offload-related parameters */
4296                 param[0] = FW_PARAM_DEV(NTID);
4297                 param[1] = FW_PARAM_PFVF(SERVER_START);
4298                 param[2] = FW_PARAM_PFVF(SERVER_END);
4299                 param[3] = FW_PARAM_PFVF(TDDP_START);
4300                 param[4] = FW_PARAM_PFVF(TDDP_END);
4301                 param[5] = FW_PARAM_DEV(FLOWC_BUFFIFO_SZ);
4302                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val);
4303                 if (rc != 0) {
4304                         device_printf(sc->dev,
4305                             "failed to query TOE parameters: %d.\n", rc);
4306                         return (rc);
4307                 }
4308                 sc->tids.ntids = val[0];
4309                 if (sc->params.fw_vers <
4310                     (V_FW_HDR_FW_VER_MAJOR(1) | V_FW_HDR_FW_VER_MINOR(20) |
4311                     V_FW_HDR_FW_VER_MICRO(5) | V_FW_HDR_FW_VER_BUILD(0))) {
4312                         MPASS(sc->tids.ntids >= sc->tids.nhpftids);
4313                         sc->tids.ntids -= sc->tids.nhpftids;
4314                 }
4315                 sc->tids.natids = min(sc->tids.ntids / 2, MAX_ATIDS);
4316                 if ((int)val[2] > (int)val[1]) {
4317                         sc->tids.stid_base = val[1];
4318                         sc->tids.nstids = val[2] - val[1] + 1;
4319                 }
4320                 sc->vres.ddp.start = val[3];
4321                 sc->vres.ddp.size = val[4] - val[3] + 1;
4322                 sc->params.ofldq_wr_cred = val[5];
4323                 sc->params.offload = 1;
4324         } else {
4325                 /*
4326                  * The firmware attempts memfree TOE configuration for -SO cards
4327                  * and will report toecaps=0 if it runs out of resources (this
4328                  * depends on the config file).  It may not report 0 for other
4329                  * capabilities dependent on the TOE in this case.  Set them to
4330                  * 0 here so that the driver doesn't bother tracking resources
4331                  * that will never be used.
4332                  */
4333                 sc->iscsicaps = 0;
4334                 sc->rdmacaps = 0;
4335         }
4336         if (sc->rdmacaps) {
4337                 param[0] = FW_PARAM_PFVF(STAG_START);
4338                 param[1] = FW_PARAM_PFVF(STAG_END);
4339                 param[2] = FW_PARAM_PFVF(RQ_START);
4340                 param[3] = FW_PARAM_PFVF(RQ_END);
4341                 param[4] = FW_PARAM_PFVF(PBL_START);
4342                 param[5] = FW_PARAM_PFVF(PBL_END);
4343                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val);
4344                 if (rc != 0) {
4345                         device_printf(sc->dev,
4346                             "failed to query RDMA parameters(1): %d.\n", rc);
4347                         return (rc);
4348                 }
4349                 sc->vres.stag.start = val[0];
4350                 sc->vres.stag.size = val[1] - val[0] + 1;
4351                 sc->vres.rq.start = val[2];
4352                 sc->vres.rq.size = val[3] - val[2] + 1;
4353                 sc->vres.pbl.start = val[4];
4354                 sc->vres.pbl.size = val[5] - val[4] + 1;
4355
4356                 param[0] = FW_PARAM_PFVF(SQRQ_START);
4357                 param[1] = FW_PARAM_PFVF(SQRQ_END);
4358                 param[2] = FW_PARAM_PFVF(CQ_START);
4359                 param[3] = FW_PARAM_PFVF(CQ_END);
4360                 param[4] = FW_PARAM_PFVF(OCQ_START);
4361                 param[5] = FW_PARAM_PFVF(OCQ_END);
4362                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val);
4363                 if (rc != 0) {
4364                         device_printf(sc->dev,
4365                             "failed to query RDMA parameters(2): %d.\n", rc);
4366                         return (rc);
4367                 }
4368                 sc->vres.qp.start = val[0];
4369                 sc->vres.qp.size = val[1] - val[0] + 1;
4370                 sc->vres.cq.start = val[2];
4371                 sc->vres.cq.size = val[3] - val[2] + 1;
4372                 sc->vres.ocq.start = val[4];
4373                 sc->vres.ocq.size = val[5] - val[4] + 1;
4374
4375                 param[0] = FW_PARAM_PFVF(SRQ_START);
4376                 param[1] = FW_PARAM_PFVF(SRQ_END);
4377                 param[2] = FW_PARAM_DEV(MAXORDIRD_QP);
4378                 param[3] = FW_PARAM_DEV(MAXIRD_ADAPTER);
4379                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 4, param, val);
4380                 if (rc != 0) {
4381                         device_printf(sc->dev,
4382                             "failed to query RDMA parameters(3): %d.\n", rc);
4383                         return (rc);
4384                 }
4385                 sc->vres.srq.start = val[0];
4386                 sc->vres.srq.size = val[1] - val[0] + 1;
4387                 sc->params.max_ordird_qp = val[2];
4388                 sc->params.max_ird_adapter = val[3];
4389         }
4390         if (sc->iscsicaps) {
4391                 param[0] = FW_PARAM_PFVF(ISCSI_START);
4392                 param[1] = FW_PARAM_PFVF(ISCSI_END);
4393                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
4394                 if (rc != 0) {
4395                         device_printf(sc->dev,
4396                             "failed to query iSCSI parameters: %d.\n", rc);
4397                         return (rc);
4398                 }
4399                 sc->vres.iscsi.start = val[0];
4400                 sc->vres.iscsi.size = val[1] - val[0] + 1;
4401         }
4402         if (sc->cryptocaps & FW_CAPS_CONFIG_TLSKEYS) {
4403                 param[0] = FW_PARAM_PFVF(TLS_START);
4404                 param[1] = FW_PARAM_PFVF(TLS_END);
4405                 rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
4406                 if (rc != 0) {
4407                         device_printf(sc->dev,
4408                             "failed to query TLS parameters: %d.\n", rc);
4409                         return (rc);
4410                 }
4411                 sc->vres.key.start = val[0];
4412                 sc->vres.key.size = val[1] - val[0] + 1;
4413         }
4414
4415         t4_init_sge_params(sc);
4416
4417         /*
4418          * We've got the params we wanted to query via the firmware.  Now grab
4419          * some others directly from the chip.
4420          */
4421         rc = t4_read_chip_settings(sc);
4422
4423         return (rc);
4424 }
4425
4426 static int
4427 set_params__post_init(struct adapter *sc)
4428 {
4429         uint32_t param, val;
4430 #ifdef TCP_OFFLOAD
4431         int i, v, shift;
4432 #endif
4433
4434         /* ask for encapsulated CPLs */
4435         param = FW_PARAM_PFVF(CPLFW4MSG_ENCAP);
4436         val = 1;
4437         (void)t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
4438
4439         /* Enable 32b port caps if the firmware supports it. */
4440         param = FW_PARAM_PFVF(PORT_CAPS32);
4441         val = 1;
4442         if (t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val) == 0)
4443                 sc->params.port_caps32 = 1;
4444
4445         /* Let filter + maskhash steer to a part of the VI's RSS region. */
4446         val = 1 << (G_MASKSIZE(t4_read_reg(sc, A_TP_RSS_CONFIG_TNL)) - 1);
4447         t4_set_reg_field(sc, A_TP_RSS_CONFIG_TNL, V_MASKFILTER(M_MASKFILTER),
4448             V_MASKFILTER(val - 1));
4449
4450 #ifdef TCP_OFFLOAD
4451         /*
4452          * Override the TOE timers with user provided tunables.  This is not the
4453          * recommended way to change the timers (the firmware config file is) so
4454          * these tunables are not documented.
4455          *
4456          * All the timer tunables are in microseconds.
4457          */
4458         if (t4_toe_keepalive_idle != 0) {
4459                 v = us_to_tcp_ticks(sc, t4_toe_keepalive_idle);
4460                 v &= M_KEEPALIVEIDLE;
4461                 t4_set_reg_field(sc, A_TP_KEEP_IDLE,
4462                     V_KEEPALIVEIDLE(M_KEEPALIVEIDLE), V_KEEPALIVEIDLE(v));
4463         }
4464         if (t4_toe_keepalive_interval != 0) {
4465                 v = us_to_tcp_ticks(sc, t4_toe_keepalive_interval);
4466                 v &= M_KEEPALIVEINTVL;
4467                 t4_set_reg_field(sc, A_TP_KEEP_INTVL,
4468                     V_KEEPALIVEINTVL(M_KEEPALIVEINTVL), V_KEEPALIVEINTVL(v));
4469         }
4470         if (t4_toe_keepalive_count != 0) {
4471                 v = t4_toe_keepalive_count & M_KEEPALIVEMAXR2;
4472                 t4_set_reg_field(sc, A_TP_SHIFT_CNT,
4473                     V_KEEPALIVEMAXR1(M_KEEPALIVEMAXR1) |
4474                     V_KEEPALIVEMAXR2(M_KEEPALIVEMAXR2),
4475                     V_KEEPALIVEMAXR1(1) | V_KEEPALIVEMAXR2(v));
4476         }
4477         if (t4_toe_rexmt_min != 0) {
4478                 v = us_to_tcp_ticks(sc, t4_toe_rexmt_min);
4479                 v &= M_RXTMIN;
4480                 t4_set_reg_field(sc, A_TP_RXT_MIN,
4481                     V_RXTMIN(M_RXTMIN), V_RXTMIN(v));
4482         }
4483         if (t4_toe_rexmt_max != 0) {
4484                 v = us_to_tcp_ticks(sc, t4_toe_rexmt_max);
4485                 v &= M_RXTMAX;
4486                 t4_set_reg_field(sc, A_TP_RXT_MAX,
4487                     V_RXTMAX(M_RXTMAX), V_RXTMAX(v));
4488         }
4489         if (t4_toe_rexmt_count != 0) {
4490                 v = t4_toe_rexmt_count & M_RXTSHIFTMAXR2;
4491                 t4_set_reg_field(sc, A_TP_SHIFT_CNT,
4492                     V_RXTSHIFTMAXR1(M_RXTSHIFTMAXR1) |
4493                     V_RXTSHIFTMAXR2(M_RXTSHIFTMAXR2),
4494                     V_RXTSHIFTMAXR1(1) | V_RXTSHIFTMAXR2(v));
4495         }
4496         for (i = 0; i < nitems(t4_toe_rexmt_backoff); i++) {
4497                 if (t4_toe_rexmt_backoff[i] != -1) {
4498                         v = t4_toe_rexmt_backoff[i] & M_TIMERBACKOFFINDEX0;
4499                         shift = (i & 3) << 3;
4500                         t4_set_reg_field(sc, A_TP_TCP_BACKOFF_REG0 + (i & ~3),
4501                             M_TIMERBACKOFFINDEX0 << shift, v << shift);
4502                 }
4503         }
4504 #endif
4505         return (0);
4506 }
4507
4508 #undef FW_PARAM_PFVF
4509 #undef FW_PARAM_DEV
4510
4511 static void
4512 t4_set_desc(struct adapter *sc)
4513 {
4514         char buf[128];
4515         struct adapter_params *p = &sc->params;
4516
4517         snprintf(buf, sizeof(buf), "Chelsio %s", p->vpd.id);
4518
4519         device_set_desc_copy(sc->dev, buf);
4520 }
4521
4522 static inline void
4523 ifmedia_add4(struct ifmedia *ifm, int m)
4524 {
4525
4526         ifmedia_add(ifm, m, 0, NULL);
4527         ifmedia_add(ifm, m | IFM_ETH_TXPAUSE, 0, NULL);
4528         ifmedia_add(ifm, m | IFM_ETH_RXPAUSE, 0, NULL);
4529         ifmedia_add(ifm, m | IFM_ETH_TXPAUSE | IFM_ETH_RXPAUSE, 0, NULL);
4530 }
4531
4532 /*
4533  * This is the selected media, which is not quite the same as the active media.
4534  * The media line in ifconfig is "media: Ethernet selected (active)" if selected
4535  * and active are not the same, and "media: Ethernet selected" otherwise.
4536  */
4537 static void
4538 set_current_media(struct port_info *pi)
4539 {
4540         struct link_config *lc;
4541         struct ifmedia *ifm;
4542         int mword;
4543         u_int speed;
4544
4545         PORT_LOCK_ASSERT_OWNED(pi);
4546
4547         /* Leave current media alone if it's already set to IFM_NONE. */
4548         ifm = &pi->media;
4549         if (ifm->ifm_cur != NULL &&
4550             IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_NONE)
4551                 return;
4552
4553         lc = &pi->link_cfg;
4554         if (lc->requested_aneg != AUTONEG_DISABLE &&
4555             lc->supported & FW_PORT_CAP32_ANEG) {
4556                 ifmedia_set(ifm, IFM_ETHER | IFM_AUTO);
4557                 return;
4558         }
4559         mword = IFM_ETHER | IFM_FDX;
4560         if (lc->requested_fc & PAUSE_TX)
4561                 mword |= IFM_ETH_TXPAUSE;
4562         if (lc->requested_fc & PAUSE_RX)
4563                 mword |= IFM_ETH_RXPAUSE;
4564         if (lc->requested_speed == 0)
4565                 speed = port_top_speed(pi) * 1000;      /* Gbps -> Mbps */
4566         else
4567                 speed = lc->requested_speed;
4568         mword |= port_mword(pi, speed_to_fwcap(speed));
4569         ifmedia_set(ifm, mword);
4570 }
4571
4572 /*
4573  * Returns true if the ifmedia list for the port cannot change.
4574  */
4575 static bool
4576 fixed_ifmedia(struct port_info *pi)
4577 {
4578
4579         return (pi->port_type == FW_PORT_TYPE_BT_SGMII ||
4580             pi->port_type == FW_PORT_TYPE_BT_XFI ||
4581             pi->port_type == FW_PORT_TYPE_BT_XAUI ||
4582             pi->port_type == FW_PORT_TYPE_KX4 ||
4583             pi->port_type == FW_PORT_TYPE_KX ||
4584             pi->port_type == FW_PORT_TYPE_KR ||
4585             pi->port_type == FW_PORT_TYPE_BP_AP ||
4586             pi->port_type == FW_PORT_TYPE_BP4_AP ||
4587             pi->port_type == FW_PORT_TYPE_BP40_BA ||
4588             pi->port_type == FW_PORT_TYPE_KR4_100G ||
4589             pi->port_type == FW_PORT_TYPE_KR_SFP28 ||
4590             pi->port_type == FW_PORT_TYPE_KR_XLAUI);
4591 }
4592
4593 static void
4594 build_medialist(struct port_info *pi)
4595 {
4596         uint32_t ss, speed;
4597         int unknown, mword, bit;
4598         struct link_config *lc;
4599         struct ifmedia *ifm;
4600
4601         PORT_LOCK_ASSERT_OWNED(pi);
4602
4603         if (pi->flags & FIXED_IFMEDIA)
4604                 return;
4605
4606         /*
4607          * Rebuild the ifmedia list.
4608          */
4609         ifm = &pi->media;
4610         ifmedia_removeall(ifm);
4611         lc = &pi->link_cfg;
4612         ss = G_FW_PORT_CAP32_SPEED(lc->supported); /* Supported Speeds */
4613         if (__predict_false(ss == 0)) { /* not supposed to happen. */
4614                 MPASS(ss != 0);
4615 no_media:
4616                 MPASS(LIST_EMPTY(&ifm->ifm_list));
4617                 ifmedia_add(ifm, IFM_ETHER | IFM_NONE, 0, NULL);
4618                 ifmedia_set(ifm, IFM_ETHER | IFM_NONE);
4619                 return;
4620         }
4621
4622         unknown = 0;
4623         for (bit = S_FW_PORT_CAP32_SPEED; bit < fls(ss); bit++) {
4624                 speed = 1 << bit;
4625                 MPASS(speed & M_FW_PORT_CAP32_SPEED);
4626                 if (ss & speed) {
4627                         mword = port_mword(pi, speed);
4628                         if (mword == IFM_NONE) {
4629                                 goto no_media;
4630                         } else if (mword == IFM_UNKNOWN)
4631                                 unknown++;
4632                         else
4633                                 ifmedia_add4(ifm, IFM_ETHER | IFM_FDX | mword);
4634                 }
4635         }
4636         if (unknown > 0) /* Add one unknown for all unknown media types. */
4637                 ifmedia_add4(ifm, IFM_ETHER | IFM_FDX | IFM_UNKNOWN);
4638         if (lc->supported & FW_PORT_CAP32_ANEG)
4639                 ifmedia_add(ifm, IFM_ETHER | IFM_AUTO, 0, NULL);
4640
4641         set_current_media(pi);
4642 }
4643
4644 /*
4645  * Initialize the requested fields in the link config based on driver tunables.
4646  */
4647 static void
4648 init_link_config(struct port_info *pi)
4649 {
4650         struct link_config *lc = &pi->link_cfg;
4651
4652         PORT_LOCK_ASSERT_OWNED(pi);
4653
4654         lc->requested_speed = 0;
4655
4656         if (t4_autoneg == 0)
4657                 lc->requested_aneg = AUTONEG_DISABLE;
4658         else if (t4_autoneg == 1)
4659                 lc->requested_aneg = AUTONEG_ENABLE;
4660         else
4661                 lc->requested_aneg = AUTONEG_AUTO;
4662
4663         lc->requested_fc = t4_pause_settings & (PAUSE_TX | PAUSE_RX |
4664             PAUSE_AUTONEG);
4665
4666         if (t4_fec == -1 || t4_fec & FEC_AUTO)
4667                 lc->requested_fec = FEC_AUTO;
4668         else {
4669                 lc->requested_fec = FEC_NONE;
4670                 if (t4_fec & FEC_RS)
4671                         lc->requested_fec |= FEC_RS;
4672                 if (t4_fec & FEC_BASER_RS)
4673                         lc->requested_fec |= FEC_BASER_RS;
4674         }
4675 }
4676
4677 /*
4678  * Makes sure that all requested settings comply with what's supported by the
4679  * port.  Returns the number of settings that were invalid and had to be fixed.
4680  */
4681 static int
4682 fixup_link_config(struct port_info *pi)
4683 {
4684         int n = 0;
4685         struct link_config *lc = &pi->link_cfg;
4686         uint32_t fwspeed;
4687
4688         PORT_LOCK_ASSERT_OWNED(pi);
4689
4690         /* Speed (when not autonegotiating) */
4691         if (lc->requested_speed != 0) {
4692                 fwspeed = speed_to_fwcap(lc->requested_speed);
4693                 if ((fwspeed & lc->supported) == 0) {
4694                         n++;
4695                         lc->requested_speed = 0;
4696                 }
4697         }
4698
4699         /* Link autonegotiation */
4700         MPASS(lc->requested_aneg == AUTONEG_ENABLE ||
4701             lc->requested_aneg == AUTONEG_DISABLE ||
4702             lc->requested_aneg == AUTONEG_AUTO);
4703         if (lc->requested_aneg == AUTONEG_ENABLE &&
4704             !(lc->supported & FW_PORT_CAP32_ANEG)) {
4705                 n++;
4706                 lc->requested_aneg = AUTONEG_AUTO;
4707         }
4708
4709         /* Flow control */
4710         MPASS((lc->requested_fc & ~(PAUSE_TX | PAUSE_RX | PAUSE_AUTONEG)) == 0);
4711         if (lc->requested_fc & PAUSE_TX &&
4712             !(lc->supported & FW_PORT_CAP32_FC_TX)) {
4713                 n++;
4714                 lc->requested_fc &= ~PAUSE_TX;
4715         }
4716         if (lc->requested_fc & PAUSE_RX &&
4717             !(lc->supported & FW_PORT_CAP32_FC_RX)) {
4718                 n++;
4719                 lc->requested_fc &= ~PAUSE_RX;
4720         }
4721         if (!(lc->requested_fc & PAUSE_AUTONEG) &&
4722             !(lc->supported & FW_PORT_CAP32_FORCE_PAUSE)) {
4723                 n++;
4724                 lc->requested_fc |= PAUSE_AUTONEG;
4725         }
4726
4727         /* FEC */
4728         if ((lc->requested_fec & FEC_RS &&
4729             !(lc->supported & FW_PORT_CAP32_FEC_RS)) ||
4730             (lc->requested_fec & FEC_BASER_RS &&
4731             !(lc->supported & FW_PORT_CAP32_FEC_BASER_RS))) {
4732                 n++;
4733                 lc->requested_fec = FEC_AUTO;
4734         }
4735
4736         return (n);
4737 }
4738
4739 /*
4740  * Apply the requested L1 settings, which are expected to be valid, to the
4741  * hardware.
4742  */
4743 static int
4744 apply_link_config(struct port_info *pi)
4745 {
4746         struct adapter *sc = pi->adapter;
4747         struct link_config *lc = &pi->link_cfg;
4748         int rc;
4749
4750 #ifdef INVARIANTS
4751         ASSERT_SYNCHRONIZED_OP(sc);
4752         PORT_LOCK_ASSERT_OWNED(pi);
4753
4754         if (lc->requested_aneg == AUTONEG_ENABLE)
4755                 MPASS(lc->supported & FW_PORT_CAP32_ANEG);
4756         if (!(lc->requested_fc & PAUSE_AUTONEG))
4757                 MPASS(lc->supported & FW_PORT_CAP32_FORCE_PAUSE);
4758         if (lc->requested_fc & PAUSE_TX)
4759                 MPASS(lc->supported & FW_PORT_CAP32_FC_TX);
4760         if (lc->requested_fc & PAUSE_RX)
4761                 MPASS(lc->supported & FW_PORT_CAP32_FC_RX);
4762         if (lc->requested_fec & FEC_RS)
4763                 MPASS(lc->supported & FW_PORT_CAP32_FEC_RS);
4764         if (lc->requested_fec & FEC_BASER_RS)
4765                 MPASS(lc->supported & FW_PORT_CAP32_FEC_BASER_RS);
4766 #endif
4767         rc = -t4_link_l1cfg(sc, sc->mbox, pi->tx_chan, lc);
4768         if (rc != 0) {
4769                 /* Don't complain if the VF driver gets back an EPERM. */
4770                 if (!(sc->flags & IS_VF) || rc != FW_EPERM)
4771                         device_printf(pi->dev, "l1cfg failed: %d\n", rc);
4772         } else {
4773                 /*
4774                  * An L1_CFG will almost always result in a link-change event if
4775                  * the link is up, and the driver will refresh the actual
4776                  * fec/fc/etc. when the notification is processed.  If the link
4777                  * is down then the actual settings are meaningless.
4778                  *
4779                  * This takes care of the case where a change in the L1 settings
4780                  * may not result in a notification.
4781                  */
4782                 if (lc->link_ok && !(lc->requested_fc & PAUSE_AUTONEG))
4783                         lc->fc = lc->requested_fc & (PAUSE_TX | PAUSE_RX);
4784         }
4785         return (rc);
4786 }
4787
4788 #define FW_MAC_EXACT_CHUNK      7
4789
4790 /*
4791  * Program the port's XGMAC based on parameters in ifnet.  The caller also
4792  * indicates which parameters should be programmed (the rest are left alone).
4793  */
4794 int
4795 update_mac_settings(struct ifnet *ifp, int flags)
4796 {
4797         int rc = 0;
4798         struct vi_info *vi = ifp->if_softc;
4799         struct port_info *pi = vi->pi;
4800         struct adapter *sc = pi->adapter;
4801         int mtu = -1, promisc = -1, allmulti = -1, vlanex = -1;
4802
4803         ASSERT_SYNCHRONIZED_OP(sc);
4804         KASSERT(flags, ("%s: not told what to update.", __func__));
4805
4806         if (flags & XGMAC_MTU)
4807                 mtu = ifp->if_mtu;
4808
4809         if (flags & XGMAC_PROMISC)
4810                 promisc = ifp->if_flags & IFF_PROMISC ? 1 : 0;
4811
4812         if (flags & XGMAC_ALLMULTI)
4813                 allmulti = ifp->if_flags & IFF_ALLMULTI ? 1 : 0;
4814
4815         if (flags & XGMAC_VLANEX)
4816                 vlanex = ifp->if_capenable & IFCAP_VLAN_HWTAGGING ? 1 : 0;
4817
4818         if (flags & (XGMAC_MTU|XGMAC_PROMISC|XGMAC_ALLMULTI|XGMAC_VLANEX)) {
4819                 rc = -t4_set_rxmode(sc, sc->mbox, vi->viid, mtu, promisc,
4820                     allmulti, 1, vlanex, false);
4821                 if (rc) {
4822                         if_printf(ifp, "set_rxmode (%x) failed: %d\n", flags,
4823                             rc);
4824                         return (rc);
4825                 }
4826         }
4827
4828         if (flags & XGMAC_UCADDR) {
4829                 uint8_t ucaddr[ETHER_ADDR_LEN];
4830
4831                 bcopy(IF_LLADDR(ifp), ucaddr, sizeof(ucaddr));
4832                 rc = t4_change_mac(sc, sc->mbox, vi->viid, vi->xact_addr_filt,
4833                     ucaddr, true, &vi->smt_idx);
4834                 if (rc < 0) {
4835                         rc = -rc;
4836                         if_printf(ifp, "change_mac failed: %d\n", rc);
4837                         return (rc);
4838                 } else {
4839                         vi->xact_addr_filt = rc;
4840                         rc = 0;
4841                 }
4842         }
4843
4844         if (flags & XGMAC_MCADDRS) {
4845                 const uint8_t *mcaddr[FW_MAC_EXACT_CHUNK];
4846                 int del = 1;
4847                 uint64_t hash = 0;
4848                 struct ifmultiaddr *ifma;
4849                 int i = 0, j;
4850
4851                 if_maddr_rlock(ifp);
4852                 CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
4853                         if (ifma->ifma_addr->sa_family != AF_LINK)
4854                                 continue;
4855                         mcaddr[i] =
4856                             LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
4857                         MPASS(ETHER_IS_MULTICAST(mcaddr[i]));
4858                         i++;
4859
4860                         if (i == FW_MAC_EXACT_CHUNK) {
4861                                 rc = t4_alloc_mac_filt(sc, sc->mbox, vi->viid,
4862                                     del, i, mcaddr, NULL, &hash, 0);
4863                                 if (rc < 0) {
4864                                         rc = -rc;
4865                                         for (j = 0; j < i; j++) {
4866                                                 if_printf(ifp,
4867                                                     "failed to add mc address"
4868                                                     " %02x:%02x:%02x:"
4869                                                     "%02x:%02x:%02x rc=%d\n",
4870                                                     mcaddr[j][0], mcaddr[j][1],
4871                                                     mcaddr[j][2], mcaddr[j][3],
4872                                                     mcaddr[j][4], mcaddr[j][5],
4873                                                     rc);
4874                                         }
4875                                         goto mcfail;
4876                                 }
4877                                 del = 0;
4878                                 i = 0;
4879                         }
4880                 }
4881                 if (i > 0) {
4882                         rc = t4_alloc_mac_filt(sc, sc->mbox, vi->viid, del, i,
4883                             mcaddr, NULL, &hash, 0);
4884                         if (rc < 0) {
4885                                 rc = -rc;
4886                                 for (j = 0; j < i; j++) {
4887                                         if_printf(ifp,
4888                                             "failed to add mc address"
4889                                             " %02x:%02x:%02x:"
4890                                             "%02x:%02x:%02x rc=%d\n",
4891                                             mcaddr[j][0], mcaddr[j][1],
4892                                             mcaddr[j][2], mcaddr[j][3],
4893                                             mcaddr[j][4], mcaddr[j][5],
4894                                             rc);
4895                                 }
4896                                 goto mcfail;
4897                         }
4898                 }
4899
4900                 rc = -t4_set_addr_hash(sc, sc->mbox, vi->viid, 0, hash, 0);
4901                 if (rc != 0)
4902                         if_printf(ifp, "failed to set mc address hash: %d", rc);
4903 mcfail:
4904                 if_maddr_runlock(ifp);
4905         }
4906
4907         return (rc);
4908 }
4909
4910 /*
4911  * {begin|end}_synchronized_op must be called from the same thread.
4912  */
4913 int
4914 begin_synchronized_op(struct adapter *sc, struct vi_info *vi, int flags,
4915     char *wmesg)
4916 {
4917         int rc, pri;
4918
4919 #ifdef WITNESS
4920         /* the caller thinks it's ok to sleep, but is it really? */
4921         if (flags & SLEEP_OK)
4922                 WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL,
4923                     "begin_synchronized_op");
4924 #endif
4925
4926         if (INTR_OK)
4927                 pri = PCATCH;
4928         else
4929                 pri = 0;
4930
4931         ADAPTER_LOCK(sc);
4932         for (;;) {
4933
4934                 if (vi && IS_DOOMED(vi)) {
4935                         rc = ENXIO;
4936                         goto done;
4937                 }
4938
4939                 if (!IS_BUSY(sc)) {
4940                         rc = 0;
4941                         break;
4942                 }
4943
4944                 if (!(flags & SLEEP_OK)) {
4945                         rc = EBUSY;
4946                         goto done;
4947                 }
4948
4949                 if (mtx_sleep(&sc->flags, &sc->sc_lock, pri, wmesg, 0)) {
4950                         rc = EINTR;
4951                         goto done;
4952                 }
4953         }
4954
4955         KASSERT(!IS_BUSY(sc), ("%s: controller busy.", __func__));
4956         SET_BUSY(sc);
4957 #ifdef INVARIANTS
4958         sc->last_op = wmesg;
4959         sc->last_op_thr = curthread;
4960         sc->last_op_flags = flags;
4961 #endif
4962
4963 done:
4964         if (!(flags & HOLD_LOCK) || rc)
4965                 ADAPTER_UNLOCK(sc);
4966
4967         return (rc);
4968 }
4969
4970 /*
4971  * Tell if_ioctl and if_init that the VI is going away.  This is
4972  * special variant of begin_synchronized_op and must be paired with a
4973  * call to end_synchronized_op.
4974  */
4975 void
4976 doom_vi(struct adapter *sc, struct vi_info *vi)
4977 {
4978
4979         ADAPTER_LOCK(sc);
4980         SET_DOOMED(vi);
4981         wakeup(&sc->flags);
4982         while (IS_BUSY(sc))
4983                 mtx_sleep(&sc->flags, &sc->sc_lock, 0, "t4detach", 0);
4984         SET_BUSY(sc);
4985 #ifdef INVARIANTS
4986         sc->last_op = "t4detach";
4987         sc->last_op_thr = curthread;
4988         sc->last_op_flags = 0;
4989 #endif
4990         ADAPTER_UNLOCK(sc);
4991 }
4992
4993 /*
4994  * {begin|end}_synchronized_op must be called from the same thread.
4995  */
4996 void
4997 end_synchronized_op(struct adapter *sc, int flags)
4998 {
4999
5000         if (flags & LOCK_HELD)
5001                 ADAPTER_LOCK_ASSERT_OWNED(sc);
5002         else
5003                 ADAPTER_LOCK(sc);
5004
5005         KASSERT(IS_BUSY(sc), ("%s: controller not busy.", __func__));
5006         CLR_BUSY(sc);
5007         wakeup(&sc->flags);
5008         ADAPTER_UNLOCK(sc);
5009 }
5010
5011 static int
5012 cxgbe_init_synchronized(struct vi_info *vi)
5013 {
5014         struct port_info *pi = vi->pi;
5015         struct adapter *sc = pi->adapter;
5016         struct ifnet *ifp = vi->ifp;
5017         int rc = 0, i;
5018         struct sge_txq *txq;
5019
5020         ASSERT_SYNCHRONIZED_OP(sc);
5021
5022         if (ifp->if_drv_flags & IFF_DRV_RUNNING)
5023                 return (0);     /* already running */
5024
5025         if (!(sc->flags & FULL_INIT_DONE) &&
5026             ((rc = adapter_full_init(sc)) != 0))
5027                 return (rc);    /* error message displayed already */
5028
5029         if (!(vi->flags & VI_INIT_DONE) &&
5030             ((rc = vi_full_init(vi)) != 0))
5031                 return (rc); /* error message displayed already */
5032
5033         rc = update_mac_settings(ifp, XGMAC_ALL);
5034         if (rc)
5035                 goto done;      /* error message displayed already */
5036
5037         PORT_LOCK(pi);
5038         if (pi->up_vis == 0) {
5039                 t4_update_port_info(pi);
5040                 fixup_link_config(pi);
5041                 build_medialist(pi);
5042                 apply_link_config(pi);
5043         }
5044
5045         rc = -t4_enable_vi(sc, sc->mbox, vi->viid, true, true);
5046         if (rc != 0) {
5047                 if_printf(ifp, "enable_vi failed: %d\n", rc);
5048                 PORT_UNLOCK(pi);
5049                 goto done;
5050         }
5051
5052         /*
5053          * Can't fail from this point onwards.  Review cxgbe_uninit_synchronized
5054          * if this changes.
5055          */
5056
5057         for_each_txq(vi, i, txq) {
5058                 TXQ_LOCK(txq);
5059                 txq->eq.flags |= EQ_ENABLED;
5060                 TXQ_UNLOCK(txq);
5061         }
5062
5063         /*
5064          * The first iq of the first port to come up is used for tracing.
5065          */
5066         if (sc->traceq < 0 && IS_MAIN_VI(vi)) {
5067                 sc->traceq = sc->sge.rxq[vi->first_rxq].iq.abs_id;
5068                 t4_write_reg(sc, is_t4(sc) ?  A_MPS_TRC_RSS_CONTROL :
5069                     A_MPS_T5_TRC_RSS_CONTROL, V_RSSCONTROL(pi->tx_chan) |
5070                     V_QUEUENUMBER(sc->traceq));
5071                 pi->flags |= HAS_TRACEQ;
5072         }
5073
5074         /* all ok */
5075         pi->up_vis++;
5076         ifp->if_drv_flags |= IFF_DRV_RUNNING;
5077
5078         if (pi->nvi > 1 || sc->flags & IS_VF)
5079                 callout_reset(&vi->tick, hz, vi_tick, vi);
5080         else
5081                 callout_reset(&pi->tick, hz, cxgbe_tick, pi);
5082         if (pi->link_cfg.link_ok)
5083                 t4_os_link_changed(pi);
5084         PORT_UNLOCK(pi);
5085 done:
5086         if (rc != 0)
5087                 cxgbe_uninit_synchronized(vi);
5088
5089         return (rc);
5090 }
5091
5092 /*
5093  * Idempotent.
5094  */
5095 static int
5096 cxgbe_uninit_synchronized(struct vi_info *vi)
5097 {
5098         struct port_info *pi = vi->pi;
5099         struct adapter *sc = pi->adapter;
5100         struct ifnet *ifp = vi->ifp;
5101         int rc, i;
5102         struct sge_txq *txq;
5103
5104         ASSERT_SYNCHRONIZED_OP(sc);
5105
5106         if (!(vi->flags & VI_INIT_DONE)) {
5107                 if (__predict_false(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
5108                         KASSERT(0, ("uninited VI is running"));
5109                         if_printf(ifp, "uninited VI with running ifnet.  "
5110                             "vi->flags 0x%016lx, if_flags 0x%08x, "
5111                             "if_drv_flags 0x%08x\n", vi->flags, ifp->if_flags,
5112                             ifp->if_drv_flags);
5113                 }
5114                 return (0);
5115         }
5116
5117         /*
5118          * Disable the VI so that all its data in either direction is discarded
5119          * by the MPS.  Leave everything else (the queues, interrupts, and 1Hz
5120          * tick) intact as the TP can deliver negative advice or data that it's
5121          * holding in its RAM (for an offloaded connection) even after the VI is
5122          * disabled.
5123          */
5124         rc = -t4_enable_vi(sc, sc->mbox, vi->viid, false, false);
5125         if (rc) {
5126                 if_printf(ifp, "disable_vi failed: %d\n", rc);
5127                 return (rc);
5128         }
5129
5130         for_each_txq(vi, i, txq) {
5131                 TXQ_LOCK(txq);
5132                 txq->eq.flags &= ~EQ_ENABLED;
5133                 TXQ_UNLOCK(txq);
5134         }
5135
5136         PORT_LOCK(pi);
5137         if (pi->nvi > 1 || sc->flags & IS_VF)
5138                 callout_stop(&vi->tick);
5139         else
5140                 callout_stop(&pi->tick);
5141         if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
5142                 PORT_UNLOCK(pi);
5143                 return (0);
5144         }
5145         ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
5146         pi->up_vis--;
5147         if (pi->up_vis > 0) {
5148                 PORT_UNLOCK(pi);
5149                 return (0);
5150         }
5151
5152         pi->link_cfg.link_ok = false;
5153         pi->link_cfg.speed = 0;
5154         pi->link_cfg.link_down_rc = 255;
5155         t4_os_link_changed(pi);
5156         PORT_UNLOCK(pi);
5157
5158         return (0);
5159 }
5160
5161 /*
5162  * It is ok for this function to fail midway and return right away.  t4_detach
5163  * will walk the entire sc->irq list and clean up whatever is valid.
5164  */
5165 int
5166 t4_setup_intr_handlers(struct adapter *sc)
5167 {
5168         int rc, rid, p, q, v;
5169         char s[8];
5170         struct irq *irq;
5171         struct port_info *pi;
5172         struct vi_info *vi;
5173         struct sge *sge = &sc->sge;
5174         struct sge_rxq *rxq;
5175 #ifdef TCP_OFFLOAD
5176         struct sge_ofld_rxq *ofld_rxq;
5177 #endif
5178 #ifdef DEV_NETMAP
5179         struct sge_nm_rxq *nm_rxq;
5180 #endif
5181 #ifdef RSS
5182         int nbuckets = rss_getnumbuckets();
5183 #endif
5184
5185         /*
5186          * Setup interrupts.
5187          */
5188         irq = &sc->irq[0];
5189         rid = sc->intr_type == INTR_INTX ? 0 : 1;
5190         if (forwarding_intr_to_fwq(sc))
5191                 return (t4_alloc_irq(sc, irq, rid, t4_intr_all, sc, "all"));
5192
5193         /* Multiple interrupts. */
5194         if (sc->flags & IS_VF)
5195                 KASSERT(sc->intr_count >= T4VF_EXTRA_INTR + sc->params.nports,
5196                     ("%s: too few intr.", __func__));
5197         else
5198                 KASSERT(sc->intr_count >= T4_EXTRA_INTR + sc->params.nports,
5199                     ("%s: too few intr.", __func__));
5200
5201         /* The first one is always error intr on PFs */
5202         if (!(sc->flags & IS_VF)) {
5203                 rc = t4_alloc_irq(sc, irq, rid, t4_intr_err, sc, "err");
5204                 if (rc != 0)
5205                         return (rc);
5206                 irq++;
5207                 rid++;
5208         }
5209
5210         /* The second one is always the firmware event queue (first on VFs) */
5211         rc = t4_alloc_irq(sc, irq, rid, t4_intr_evt, &sge->fwq, "evt");
5212         if (rc != 0)
5213                 return (rc);
5214         irq++;
5215         rid++;
5216
5217         for_each_port(sc, p) {
5218                 pi = sc->port[p];
5219                 for_each_vi(pi, v, vi) {
5220                         vi->first_intr = rid - 1;
5221
5222                         if (vi->nnmrxq > 0) {
5223                                 int n = max(vi->nrxq, vi->nnmrxq);
5224
5225                                 rxq = &sge->rxq[vi->first_rxq];
5226 #ifdef DEV_NETMAP
5227                                 nm_rxq = &sge->nm_rxq[vi->first_nm_rxq];
5228 #endif
5229                                 for (q = 0; q < n; q++) {
5230                                         snprintf(s, sizeof(s), "%x%c%x", p,
5231                                             'a' + v, q);
5232                                         if (q < vi->nrxq)
5233                                                 irq->rxq = rxq++;
5234 #ifdef DEV_NETMAP
5235                                         if (q < vi->nnmrxq)
5236                                                 irq->nm_rxq = nm_rxq++;
5237
5238                                         if (irq->nm_rxq != NULL &&
5239                                             irq->rxq == NULL) {
5240                                                 /* Netmap rx only */
5241                                                 rc = t4_alloc_irq(sc, irq, rid,
5242                                                     t4_nm_intr, irq->nm_rxq, s);
5243                                         }
5244                                         if (irq->nm_rxq != NULL &&
5245                                             irq->rxq != NULL) {
5246                                                 /* NIC and Netmap rx */
5247                                                 rc = t4_alloc_irq(sc, irq, rid,
5248                                                     t4_vi_intr, irq, s);
5249                                         }
5250 #endif
5251                                         if (irq->rxq != NULL &&
5252                                             irq->nm_rxq == NULL) {
5253                                                 /* NIC rx only */
5254                                                 rc = t4_alloc_irq(sc, irq, rid,
5255                                                     t4_intr, irq->rxq, s);
5256                                         }
5257                                         if (rc != 0)
5258                                                 return (rc);
5259 #ifdef RSS
5260                                         if (q < vi->nrxq) {
5261                                                 bus_bind_intr(sc->dev, irq->res,
5262                                                     rss_getcpu(q % nbuckets));
5263                                         }
5264 #endif
5265                                         irq++;
5266                                         rid++;
5267                                         vi->nintr++;
5268                                 }
5269                         } else {
5270                                 for_each_rxq(vi, q, rxq) {
5271                                         snprintf(s, sizeof(s), "%x%c%x", p,
5272                                             'a' + v, q);
5273                                         rc = t4_alloc_irq(sc, irq, rid,
5274                                             t4_intr, rxq, s);
5275                                         if (rc != 0)
5276                                                 return (rc);
5277 #ifdef RSS
5278                                         bus_bind_intr(sc->dev, irq->res,
5279                                             rss_getcpu(q % nbuckets));
5280 #endif
5281                                         irq++;
5282                                         rid++;
5283                                         vi->nintr++;
5284                                 }
5285                         }
5286 #ifdef TCP_OFFLOAD
5287                         for_each_ofld_rxq(vi, q, ofld_rxq) {
5288                                 snprintf(s, sizeof(s), "%x%c%x", p, 'A' + v, q);
5289                                 rc = t4_alloc_irq(sc, irq, rid, t4_intr,
5290                                     ofld_rxq, s);
5291                                 if (rc != 0)
5292                                         return (rc);
5293                                 irq++;
5294                                 rid++;
5295                                 vi->nintr++;
5296                         }
5297 #endif
5298                 }
5299         }
5300         MPASS(irq == &sc->irq[sc->intr_count]);
5301
5302         return (0);
5303 }
5304
5305 int
5306 adapter_full_init(struct adapter *sc)
5307 {
5308         int rc, i;
5309 #ifdef RSS
5310         uint32_t raw_rss_key[RSS_KEYSIZE / sizeof(uint32_t)];
5311         uint32_t rss_key[RSS_KEYSIZE / sizeof(uint32_t)];
5312 #endif
5313
5314         ASSERT_SYNCHRONIZED_OP(sc);
5315         ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
5316         KASSERT((sc->flags & FULL_INIT_DONE) == 0,
5317             ("%s: FULL_INIT_DONE already", __func__));
5318
5319         /*
5320          * queues that belong to the adapter (not any particular port).
5321          */
5322         rc = t4_setup_adapter_queues(sc);
5323         if (rc != 0)
5324                 goto done;
5325
5326         for (i = 0; i < nitems(sc->tq); i++) {
5327                 sc->tq[i] = taskqueue_create("t4 taskq", M_NOWAIT,
5328                     taskqueue_thread_enqueue, &sc->tq[i]);
5329                 if (sc->tq[i] == NULL) {
5330                         device_printf(sc->dev,
5331                             "failed to allocate task queue %d\n", i);
5332                         rc = ENOMEM;
5333                         goto done;
5334                 }
5335                 taskqueue_start_threads(&sc->tq[i], 1, PI_NET, "%s tq%d",
5336                     device_get_nameunit(sc->dev), i);
5337         }
5338 #ifdef RSS
5339         MPASS(RSS_KEYSIZE == 40);
5340         rss_getkey((void *)&raw_rss_key[0]);
5341         for (i = 0; i < nitems(rss_key); i++) {
5342                 rss_key[i] = htobe32(raw_rss_key[nitems(rss_key) - 1 - i]);
5343         }
5344         t4_write_rss_key(sc, &rss_key[0], -1, 1);
5345 #endif
5346
5347         if (!(sc->flags & IS_VF))
5348                 t4_intr_enable(sc);
5349         sc->flags |= FULL_INIT_DONE;
5350 done:
5351         if (rc != 0)
5352                 adapter_full_uninit(sc);
5353
5354         return (rc);
5355 }
5356
5357 int
5358 adapter_full_uninit(struct adapter *sc)
5359 {
5360         int i;
5361
5362         ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
5363
5364         t4_teardown_adapter_queues(sc);
5365
5366         for (i = 0; i < nitems(sc->tq) && sc->tq[i]; i++) {
5367                 taskqueue_free(sc->tq[i]);
5368                 sc->tq[i] = NULL;
5369         }
5370
5371         sc->flags &= ~FULL_INIT_DONE;
5372
5373         return (0);
5374 }
5375
5376 #ifdef RSS
5377 #define SUPPORTED_RSS_HASHTYPES (RSS_HASHTYPE_RSS_IPV4 | \
5378     RSS_HASHTYPE_RSS_TCP_IPV4 | RSS_HASHTYPE_RSS_IPV6 | \
5379     RSS_HASHTYPE_RSS_TCP_IPV6 | RSS_HASHTYPE_RSS_UDP_IPV4 | \
5380     RSS_HASHTYPE_RSS_UDP_IPV6)
5381
5382 /* Translates kernel hash types to hardware. */
5383 static int
5384 hashconfig_to_hashen(int hashconfig)
5385 {
5386         int hashen = 0;
5387
5388         if (hashconfig & RSS_HASHTYPE_RSS_IPV4)
5389                 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN;
5390         if (hashconfig & RSS_HASHTYPE_RSS_IPV6)
5391                 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN;
5392         if (hashconfig & RSS_HASHTYPE_RSS_UDP_IPV4) {
5393                 hashen |= F_FW_RSS_VI_CONFIG_CMD_UDPEN |
5394                     F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN;
5395         }
5396         if (hashconfig & RSS_HASHTYPE_RSS_UDP_IPV6) {
5397                 hashen |= F_FW_RSS_VI_CONFIG_CMD_UDPEN |
5398                     F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
5399         }
5400         if (hashconfig & RSS_HASHTYPE_RSS_TCP_IPV4)
5401                 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN;
5402         if (hashconfig & RSS_HASHTYPE_RSS_TCP_IPV6)
5403                 hashen |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
5404
5405         return (hashen);
5406 }
5407
5408 /* Translates hardware hash types to kernel. */
5409 static int
5410 hashen_to_hashconfig(int hashen)
5411 {
5412         int hashconfig = 0;
5413
5414         if (hashen & F_FW_RSS_VI_CONFIG_CMD_UDPEN) {
5415                 /*
5416                  * If UDP hashing was enabled it must have been enabled for
5417                  * either IPv4 or IPv6 (inclusive or).  Enabling UDP without
5418                  * enabling any 4-tuple hash is nonsense configuration.
5419                  */
5420                 MPASS(hashen & (F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
5421                     F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN));
5422
5423                 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN)
5424                         hashconfig |= RSS_HASHTYPE_RSS_UDP_IPV4;
5425                 if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN)
5426                         hashconfig |= RSS_HASHTYPE_RSS_UDP_IPV6;
5427         }
5428         if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN)
5429                 hashconfig |= RSS_HASHTYPE_RSS_TCP_IPV4;
5430         if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN)
5431                 hashconfig |= RSS_HASHTYPE_RSS_TCP_IPV6;
5432         if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
5433                 hashconfig |= RSS_HASHTYPE_RSS_IPV4;
5434         if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
5435                 hashconfig |= RSS_HASHTYPE_RSS_IPV6;
5436
5437         return (hashconfig);
5438 }
5439 #endif
5440
5441 int
5442 vi_full_init(struct vi_info *vi)
5443 {
5444         struct adapter *sc = vi->pi->adapter;
5445         struct ifnet *ifp = vi->ifp;
5446         uint16_t *rss;
5447         struct sge_rxq *rxq;
5448         int rc, i, j;
5449 #ifdef RSS
5450         int nbuckets = rss_getnumbuckets();
5451         int hashconfig = rss_gethashconfig();
5452         int extra;
5453 #endif
5454
5455         ASSERT_SYNCHRONIZED_OP(sc);
5456         KASSERT((vi->flags & VI_INIT_DONE) == 0,
5457             ("%s: VI_INIT_DONE already", __func__));
5458
5459         sysctl_ctx_init(&vi->ctx);
5460         vi->flags |= VI_SYSCTL_CTX;
5461
5462         /*
5463          * Allocate tx/rx/fl queues for this VI.
5464          */
5465         rc = t4_setup_vi_queues(vi);
5466         if (rc != 0)
5467                 goto done;      /* error message displayed already */
5468
5469         /*
5470          * Setup RSS for this VI.  Save a copy of the RSS table for later use.
5471          */
5472         if (vi->nrxq > vi->rss_size) {
5473                 if_printf(ifp, "nrxq (%d) > hw RSS table size (%d); "
5474                     "some queues will never receive traffic.\n", vi->nrxq,
5475                     vi->rss_size);
5476         } else if (vi->rss_size % vi->nrxq) {
5477                 if_printf(ifp, "nrxq (%d), hw RSS table size (%d); "
5478                     "expect uneven traffic distribution.\n", vi->nrxq,
5479                     vi->rss_size);
5480         }
5481 #ifdef RSS
5482         if (vi->nrxq != nbuckets) {
5483                 if_printf(ifp, "nrxq (%d) != kernel RSS buckets (%d);"
5484                     "performance will be impacted.\n", vi->nrxq, nbuckets);
5485         }
5486 #endif
5487         rss = malloc(vi->rss_size * sizeof (*rss), M_CXGBE, M_ZERO | M_WAITOK);
5488         for (i = 0; i < vi->rss_size;) {
5489 #ifdef RSS
5490                 j = rss_get_indirection_to_bucket(i);
5491                 j %= vi->nrxq;
5492                 rxq = &sc->sge.rxq[vi->first_rxq + j];
5493                 rss[i++] = rxq->iq.abs_id;
5494 #else
5495                 for_each_rxq(vi, j, rxq) {
5496                         rss[i++] = rxq->iq.abs_id;
5497                         if (i == vi->rss_size)
5498                                 break;
5499                 }
5500 #endif
5501         }
5502
5503         rc = -t4_config_rss_range(sc, sc->mbox, vi->viid, 0, vi->rss_size, rss,
5504             vi->rss_size);
5505         if (rc != 0) {
5506                 free(rss, M_CXGBE);
5507                 if_printf(ifp, "rss_config failed: %d\n", rc);
5508                 goto done;
5509         }
5510
5511 #ifdef RSS
5512         vi->hashen = hashconfig_to_hashen(hashconfig);
5513
5514         /*
5515          * We may have had to enable some hashes even though the global config
5516          * wants them disabled.  This is a potential problem that must be
5517          * reported to the user.
5518          */
5519         extra = hashen_to_hashconfig(vi->hashen) ^ hashconfig;
5520
5521         /*
5522          * If we consider only the supported hash types, then the enabled hashes
5523          * are a superset of the requested hashes.  In other words, there cannot
5524          * be any supported hash that was requested but not enabled, but there
5525          * can be hashes that were not requested but had to be enabled.
5526          */
5527         extra &= SUPPORTED_RSS_HASHTYPES;
5528         MPASS((extra & hashconfig) == 0);
5529
5530         if (extra) {
5531                 if_printf(ifp,
5532                     "global RSS config (0x%x) cannot be accommodated.\n",
5533                     hashconfig);
5534         }
5535         if (extra & RSS_HASHTYPE_RSS_IPV4)
5536                 if_printf(ifp, "IPv4 2-tuple hashing forced on.\n");
5537         if (extra & RSS_HASHTYPE_RSS_TCP_IPV4)
5538                 if_printf(ifp, "TCP/IPv4 4-tuple hashing forced on.\n");
5539         if (extra & RSS_HASHTYPE_RSS_IPV6)
5540                 if_printf(ifp, "IPv6 2-tuple hashing forced on.\n");
5541         if (extra & RSS_HASHTYPE_RSS_TCP_IPV6)
5542                 if_printf(ifp, "TCP/IPv6 4-tuple hashing forced on.\n");
5543         if (extra & RSS_HASHTYPE_RSS_UDP_IPV4)
5544                 if_printf(ifp, "UDP/IPv4 4-tuple hashing forced on.\n");
5545         if (extra & RSS_HASHTYPE_RSS_UDP_IPV6)
5546                 if_printf(ifp, "UDP/IPv6 4-tuple hashing forced on.\n");
5547 #else
5548         vi->hashen = F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
5549             F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
5550             F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
5551             F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN | F_FW_RSS_VI_CONFIG_CMD_UDPEN;
5552 #endif
5553         rc = -t4_config_vi_rss(sc, sc->mbox, vi->viid, vi->hashen, rss[0], 0, 0);
5554         if (rc != 0) {
5555                 free(rss, M_CXGBE);
5556                 if_printf(ifp, "rss hash/defaultq config failed: %d\n", rc);
5557                 goto done;
5558         }
5559
5560         vi->rss = rss;
5561         vi->flags |= VI_INIT_DONE;
5562 done:
5563         if (rc != 0)
5564                 vi_full_uninit(vi);
5565
5566         return (rc);
5567 }
5568
5569 /*
5570  * Idempotent.
5571  */
5572 int
5573 vi_full_uninit(struct vi_info *vi)
5574 {
5575         struct port_info *pi = vi->pi;
5576         struct adapter *sc = pi->adapter;
5577         int i;
5578         struct sge_rxq *rxq;
5579         struct sge_txq *txq;
5580 #ifdef TCP_OFFLOAD
5581         struct sge_ofld_rxq *ofld_rxq;
5582 #endif
5583 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
5584         struct sge_wrq *ofld_txq;
5585 #endif
5586
5587         if (vi->flags & VI_INIT_DONE) {
5588
5589                 /* Need to quiesce queues.  */
5590
5591                 /* XXX: Only for the first VI? */
5592                 if (IS_MAIN_VI(vi) && !(sc->flags & IS_VF))
5593                         quiesce_wrq(sc, &sc->sge.ctrlq[pi->port_id]);
5594
5595                 for_each_txq(vi, i, txq) {
5596                         quiesce_txq(sc, txq);
5597                 }
5598
5599 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
5600                 for_each_ofld_txq(vi, i, ofld_txq) {
5601                         quiesce_wrq(sc, ofld_txq);
5602                 }
5603 #endif
5604
5605                 for_each_rxq(vi, i, rxq) {
5606                         quiesce_iq(sc, &rxq->iq);
5607                         quiesce_fl(sc, &rxq->fl);
5608                 }
5609
5610 #ifdef TCP_OFFLOAD
5611                 for_each_ofld_rxq(vi, i, ofld_rxq) {
5612                         quiesce_iq(sc, &ofld_rxq->iq);
5613                         quiesce_fl(sc, &ofld_rxq->fl);
5614                 }
5615 #endif
5616                 free(vi->rss, M_CXGBE);
5617                 free(vi->nm_rss, M_CXGBE);
5618         }
5619
5620         t4_teardown_vi_queues(vi);
5621         vi->flags &= ~VI_INIT_DONE;
5622
5623         return (0);
5624 }
5625
5626 static void
5627 quiesce_txq(struct adapter *sc, struct sge_txq *txq)
5628 {
5629         struct sge_eq *eq = &txq->eq;
5630         struct sge_qstat *spg = (void *)&eq->desc[eq->sidx];
5631
5632         (void) sc;      /* unused */
5633
5634 #ifdef INVARIANTS
5635         TXQ_LOCK(txq);
5636         MPASS((eq->flags & EQ_ENABLED) == 0);
5637         TXQ_UNLOCK(txq);
5638 #endif
5639
5640         /* Wait for the mp_ring to empty. */
5641         while (!mp_ring_is_idle(txq->r)) {
5642                 mp_ring_check_drainage(txq->r, 0);
5643                 pause("rquiesce", 1);
5644         }
5645
5646         /* Then wait for the hardware to finish. */
5647         while (spg->cidx != htobe16(eq->pidx))
5648                 pause("equiesce", 1);
5649
5650         /* Finally, wait for the driver to reclaim all descriptors. */
5651         while (eq->cidx != eq->pidx)
5652                 pause("dquiesce", 1);
5653 }
5654
5655 static void
5656 quiesce_wrq(struct adapter *sc, struct sge_wrq *wrq)
5657 {
5658
5659         /* XXXTX */
5660 }
5661
5662 static void
5663 quiesce_iq(struct adapter *sc, struct sge_iq *iq)
5664 {
5665         (void) sc;      /* unused */
5666
5667         /* Synchronize with the interrupt handler */
5668         while (!atomic_cmpset_int(&iq->state, IQS_IDLE, IQS_DISABLED))
5669                 pause("iqfree", 1);
5670 }
5671
5672 static void
5673 quiesce_fl(struct adapter *sc, struct sge_fl *fl)
5674 {
5675         mtx_lock(&sc->sfl_lock);
5676         FL_LOCK(fl);
5677         fl->flags |= FL_DOOMED;
5678         FL_UNLOCK(fl);
5679         callout_stop(&sc->sfl_callout);
5680         mtx_unlock(&sc->sfl_lock);
5681
5682         KASSERT((fl->flags & FL_STARVING) == 0,
5683             ("%s: still starving", __func__));
5684 }
5685
5686 static int
5687 t4_alloc_irq(struct adapter *sc, struct irq *irq, int rid,
5688     driver_intr_t *handler, void *arg, char *name)
5689 {
5690         int rc;
5691
5692         irq->rid = rid;
5693         irq->res = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, &irq->rid,
5694             RF_SHAREABLE | RF_ACTIVE);
5695         if (irq->res == NULL) {
5696                 device_printf(sc->dev,
5697                     "failed to allocate IRQ for rid %d, name %s.\n", rid, name);
5698                 return (ENOMEM);
5699         }
5700
5701         rc = bus_setup_intr(sc->dev, irq->res, INTR_MPSAFE | INTR_TYPE_NET,
5702             NULL, handler, arg, &irq->tag);
5703         if (rc != 0) {
5704                 device_printf(sc->dev,
5705                     "failed to setup interrupt for rid %d, name %s: %d\n",
5706                     rid, name, rc);
5707         } else if (name)
5708                 bus_describe_intr(sc->dev, irq->res, irq->tag, "%s", name);
5709
5710         return (rc);
5711 }
5712
5713 static int
5714 t4_free_irq(struct adapter *sc, struct irq *irq)
5715 {
5716         if (irq->tag)
5717                 bus_teardown_intr(sc->dev, irq->res, irq->tag);
5718         if (irq->res)
5719                 bus_release_resource(sc->dev, SYS_RES_IRQ, irq->rid, irq->res);
5720
5721         bzero(irq, sizeof(*irq));
5722
5723         return (0);
5724 }
5725
5726 static void
5727 get_regs(struct adapter *sc, struct t4_regdump *regs, uint8_t *buf)
5728 {
5729
5730         regs->version = chip_id(sc) | chip_rev(sc) << 10;
5731         t4_get_regs(sc, buf, regs->len);
5732 }
5733
5734 #define A_PL_INDIR_CMD  0x1f8
5735
5736 #define S_PL_AUTOINC    31
5737 #define M_PL_AUTOINC    0x1U
5738 #define V_PL_AUTOINC(x) ((x) << S_PL_AUTOINC)
5739 #define G_PL_AUTOINC(x) (((x) >> S_PL_AUTOINC) & M_PL_AUTOINC)
5740
5741 #define S_PL_VFID       20
5742 #define M_PL_VFID       0xffU
5743 #define V_PL_VFID(x)    ((x) << S_PL_VFID)
5744 #define G_PL_VFID(x)    (((x) >> S_PL_VFID) & M_PL_VFID)
5745
5746 #define S_PL_ADDR       0
5747 #define M_PL_ADDR       0xfffffU
5748 #define V_PL_ADDR(x)    ((x) << S_PL_ADDR)
5749 #define G_PL_ADDR(x)    (((x) >> S_PL_ADDR) & M_PL_ADDR)
5750
5751 #define A_PL_INDIR_DATA 0x1fc
5752
5753 static uint64_t
5754 read_vf_stat(struct adapter *sc, u_int vin, int reg)
5755 {
5756         u32 stats[2];
5757
5758         mtx_assert(&sc->reg_lock, MA_OWNED);
5759         if (sc->flags & IS_VF) {
5760                 stats[0] = t4_read_reg(sc, VF_MPS_REG(reg));
5761                 stats[1] = t4_read_reg(sc, VF_MPS_REG(reg + 4));
5762         } else {
5763                 t4_write_reg(sc, A_PL_INDIR_CMD, V_PL_AUTOINC(1) |
5764                     V_PL_VFID(vin) | V_PL_ADDR(VF_MPS_REG(reg)));
5765                 stats[0] = t4_read_reg(sc, A_PL_INDIR_DATA);
5766                 stats[1] = t4_read_reg(sc, A_PL_INDIR_DATA);
5767         }
5768         return (((uint64_t)stats[1]) << 32 | stats[0]);
5769 }
5770
5771 static void
5772 t4_get_vi_stats(struct adapter *sc, u_int vin, struct fw_vi_stats_vf *stats)
5773 {
5774
5775 #define GET_STAT(name) \
5776         read_vf_stat(sc, vin, A_MPS_VF_STAT_##name##_L)
5777
5778         stats->tx_bcast_bytes    = GET_STAT(TX_VF_BCAST_BYTES);
5779         stats->tx_bcast_frames   = GET_STAT(TX_VF_BCAST_FRAMES);
5780         stats->tx_mcast_bytes    = GET_STAT(TX_VF_MCAST_BYTES);
5781         stats->tx_mcast_frames   = GET_STAT(TX_VF_MCAST_FRAMES);
5782         stats->tx_ucast_bytes    = GET_STAT(TX_VF_UCAST_BYTES);
5783         stats->tx_ucast_frames   = GET_STAT(TX_VF_UCAST_FRAMES);
5784         stats->tx_drop_frames    = GET_STAT(TX_VF_DROP_FRAMES);
5785         stats->tx_offload_bytes  = GET_STAT(TX_VF_OFFLOAD_BYTES);
5786         stats->tx_offload_frames = GET_STAT(TX_VF_OFFLOAD_FRAMES);
5787         stats->rx_bcast_bytes    = GET_STAT(RX_VF_BCAST_BYTES);
5788         stats->rx_bcast_frames   = GET_STAT(RX_VF_BCAST_FRAMES);
5789         stats->rx_mcast_bytes    = GET_STAT(RX_VF_MCAST_BYTES);
5790         stats->rx_mcast_frames   = GET_STAT(RX_VF_MCAST_FRAMES);
5791         stats->rx_ucast_bytes    = GET_STAT(RX_VF_UCAST_BYTES);
5792         stats->rx_ucast_frames   = GET_STAT(RX_VF_UCAST_FRAMES);
5793         stats->rx_err_frames     = GET_STAT(RX_VF_ERR_FRAMES);
5794
5795 #undef GET_STAT
5796 }
5797
5798 static void
5799 t4_clr_vi_stats(struct adapter *sc, u_int vin)
5800 {
5801         int reg;
5802
5803         t4_write_reg(sc, A_PL_INDIR_CMD, V_PL_AUTOINC(1) | V_PL_VFID(vin) |
5804             V_PL_ADDR(VF_MPS_REG(A_MPS_VF_STAT_TX_VF_BCAST_BYTES_L)));
5805         for (reg = A_MPS_VF_STAT_TX_VF_BCAST_BYTES_L;
5806              reg <= A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H; reg += 4)
5807                 t4_write_reg(sc, A_PL_INDIR_DATA, 0);
5808 }
5809
5810 static void
5811 vi_refresh_stats(struct adapter *sc, struct vi_info *vi)
5812 {
5813         struct timeval tv;
5814         const struct timeval interval = {0, 250000};    /* 250ms */
5815
5816         if (!(vi->flags & VI_INIT_DONE))
5817                 return;
5818
5819         getmicrotime(&tv);
5820         timevalsub(&tv, &interval);
5821         if (timevalcmp(&tv, &vi->last_refreshed, <))
5822                 return;
5823
5824         mtx_lock(&sc->reg_lock);
5825         t4_get_vi_stats(sc, vi->vin, &vi->stats);
5826         getmicrotime(&vi->last_refreshed);
5827         mtx_unlock(&sc->reg_lock);
5828 }
5829
5830 static void
5831 cxgbe_refresh_stats(struct adapter *sc, struct port_info *pi)
5832 {
5833         u_int i, v, tnl_cong_drops, bg_map;
5834         struct timeval tv;
5835         const struct timeval interval = {0, 250000};    /* 250ms */
5836
5837         getmicrotime(&tv);
5838         timevalsub(&tv, &interval);
5839         if (timevalcmp(&tv, &pi->last_refreshed, <))
5840                 return;
5841
5842         tnl_cong_drops = 0;
5843         t4_get_port_stats(sc, pi->tx_chan, &pi->stats);
5844         bg_map = pi->mps_bg_map;
5845         while (bg_map) {
5846                 i = ffs(bg_map) - 1;
5847                 mtx_lock(&sc->reg_lock);
5848                 t4_read_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v, 1,
5849                     A_TP_MIB_TNL_CNG_DROP_0 + i);
5850                 mtx_unlock(&sc->reg_lock);
5851                 tnl_cong_drops += v;
5852                 bg_map &= ~(1 << i);
5853         }
5854         pi->tnl_cong_drops = tnl_cong_drops;
5855         getmicrotime(&pi->last_refreshed);
5856 }
5857
5858 static void
5859 cxgbe_tick(void *arg)
5860 {
5861         struct port_info *pi = arg;
5862         struct adapter *sc = pi->adapter;
5863
5864         PORT_LOCK_ASSERT_OWNED(pi);
5865         cxgbe_refresh_stats(sc, pi);
5866
5867         callout_schedule(&pi->tick, hz);
5868 }
5869
5870 void
5871 vi_tick(void *arg)
5872 {
5873         struct vi_info *vi = arg;
5874         struct adapter *sc = vi->pi->adapter;
5875
5876         vi_refresh_stats(sc, vi);
5877
5878         callout_schedule(&vi->tick, hz);
5879 }
5880
5881 /*
5882  * Should match fw_caps_config_<foo> enums in t4fw_interface.h
5883  */
5884 static char *caps_decoder[] = {
5885         "\20\001IPMI\002NCSI",                          /* 0: NBM */
5886         "\20\001PPP\002QFC\003DCBX",                    /* 1: link */
5887         "\20\001INGRESS\002EGRESS",                     /* 2: switch */
5888         "\20\001NIC\002VM\003IDS\004UM\005UM_ISGL"      /* 3: NIC */
5889             "\006HASHFILTER\007ETHOFLD",
5890         "\20\001TOE",                                   /* 4: TOE */
5891         "\20\001RDDP\002RDMAC",                         /* 5: RDMA */
5892         "\20\001INITIATOR_PDU\002TARGET_PDU"            /* 6: iSCSI */
5893             "\003INITIATOR_CNXOFLD\004TARGET_CNXOFLD"
5894             "\005INITIATOR_SSNOFLD\006TARGET_SSNOFLD"
5895             "\007T10DIF"
5896             "\010INITIATOR_CMDOFLD\011TARGET_CMDOFLD",
5897         "\20\001LOOKASIDE\002TLSKEYS",                  /* 7: Crypto */
5898         "\20\001INITIATOR\002TARGET\003CTRL_OFLD"       /* 8: FCoE */
5899                     "\004PO_INITIATOR\005PO_TARGET",
5900 };
5901
5902 void
5903 t4_sysctls(struct adapter *sc)
5904 {
5905         struct sysctl_ctx_list *ctx;
5906         struct sysctl_oid *oid;
5907         struct sysctl_oid_list *children, *c0;
5908         static char *doorbells = {"\20\1UDB\2WCWR\3UDBWC\4KDB"};
5909
5910         ctx = device_get_sysctl_ctx(sc->dev);
5911
5912         /*
5913          * dev.t4nex.X.
5914          */
5915         oid = device_get_sysctl_tree(sc->dev);
5916         c0 = children = SYSCTL_CHILDREN(oid);
5917
5918         sc->sc_do_rxcopy = 1;
5919         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "do_rx_copy", CTLFLAG_RW,
5920             &sc->sc_do_rxcopy, 1, "Do RX copy of small frames");
5921
5922         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nports", CTLFLAG_RD, NULL,
5923             sc->params.nports, "# of ports");
5924
5925         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "doorbells",
5926             CTLTYPE_STRING | CTLFLAG_RD, doorbells, (uintptr_t)&sc->doorbells,
5927             sysctl_bitfield_8b, "A", "available doorbells");
5928
5929         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "core_clock", CTLFLAG_RD, NULL,
5930             sc->params.vpd.cclk, "core clock frequency (in KHz)");
5931
5932         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_timers",
5933             CTLTYPE_STRING | CTLFLAG_RD, sc->params.sge.timer_val,
5934             sizeof(sc->params.sge.timer_val), sysctl_int_array, "A",
5935             "interrupt holdoff timer values (us)");
5936
5937         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pkt_counts",
5938             CTLTYPE_STRING | CTLFLAG_RD, sc->params.sge.counter_val,
5939             sizeof(sc->params.sge.counter_val), sysctl_int_array, "A",
5940             "interrupt holdoff packet counter values");
5941
5942         t4_sge_sysctls(sc, ctx, children);
5943
5944         sc->lro_timeout = 100;
5945         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "lro_timeout", CTLFLAG_RW,
5946             &sc->lro_timeout, 0, "lro inactive-flush timeout (in us)");
5947
5948         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "dflags", CTLFLAG_RW,
5949             &sc->debug_flags, 0, "flags to enable runtime debugging");
5950
5951         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "tp_version",
5952             CTLFLAG_RD, sc->tp_version, 0, "TP microcode version");
5953
5954         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "firmware_version",
5955             CTLFLAG_RD, sc->fw_version, 0, "firmware version");
5956
5957         if (sc->flags & IS_VF)
5958                 return;
5959
5960         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "hw_revision", CTLFLAG_RD,
5961             NULL, chip_rev(sc), "chip hardware revision");
5962
5963         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "sn",
5964             CTLFLAG_RD, sc->params.vpd.sn, 0, "serial number");
5965
5966         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "pn",
5967             CTLFLAG_RD, sc->params.vpd.pn, 0, "part number");
5968
5969         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "ec",
5970             CTLFLAG_RD, sc->params.vpd.ec, 0, "engineering change");
5971
5972         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "md_version",
5973             CTLFLAG_RD, sc->params.vpd.md, 0, "manufacturing diags version");
5974
5975         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "na",
5976             CTLFLAG_RD, sc->params.vpd.na, 0, "network address");
5977
5978         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "er_version", CTLFLAG_RD,
5979             sc->er_version, 0, "expansion ROM version");
5980
5981         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "bs_version", CTLFLAG_RD,
5982             sc->bs_version, 0, "bootstrap firmware version");
5983
5984         SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "scfg_version", CTLFLAG_RD,
5985             NULL, sc->params.scfg_vers, "serial config version");
5986
5987         SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "vpd_version", CTLFLAG_RD,
5988             NULL, sc->params.vpd_vers, "VPD version");
5989
5990         SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "cf",
5991             CTLFLAG_RD, sc->cfg_file, 0, "configuration file");
5992
5993         SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "cfcsum", CTLFLAG_RD, NULL,
5994             sc->cfcsum, "config file checksum");
5995
5996 #define SYSCTL_CAP(name, n, text) \
5997         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, #name, \
5998             CTLTYPE_STRING | CTLFLAG_RD, caps_decoder[n], (uintptr_t)&sc->name, \
5999             sysctl_bitfield_16b, "A", "available " text " capabilities")
6000
6001         SYSCTL_CAP(nbmcaps, 0, "NBM");
6002         SYSCTL_CAP(linkcaps, 1, "link");
6003         SYSCTL_CAP(switchcaps, 2, "switch");
6004         SYSCTL_CAP(niccaps, 3, "NIC");
6005         SYSCTL_CAP(toecaps, 4, "TCP offload");
6006         SYSCTL_CAP(rdmacaps, 5, "RDMA");
6007         SYSCTL_CAP(iscsicaps, 6, "iSCSI");
6008         SYSCTL_CAP(cryptocaps, 7, "crypto");
6009         SYSCTL_CAP(fcoecaps, 8, "FCoE");
6010 #undef SYSCTL_CAP
6011
6012         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nfilters", CTLFLAG_RD,
6013             NULL, sc->tids.nftids, "number of filters");
6014
6015         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "temperature", CTLTYPE_INT |
6016             CTLFLAG_RD, sc, 0, sysctl_temperature, "I",
6017             "chip temperature (in Celsius)");
6018
6019         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "loadavg", CTLTYPE_STRING |
6020             CTLFLAG_RD, sc, 0, sysctl_loadavg, "A",
6021             "microprocessor load averages (debug firmwares only)");
6022
6023         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "core_vdd", CTLFLAG_RD,
6024             &sc->params.core_vdd, 0, "core Vdd (in mV)");
6025
6026         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "local_cpus",
6027             CTLTYPE_STRING | CTLFLAG_RD, sc, LOCAL_CPUS,
6028             sysctl_cpus, "A", "local CPUs");
6029
6030         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "intr_cpus",
6031             CTLTYPE_STRING | CTLFLAG_RD, sc, INTR_CPUS,
6032             sysctl_cpus, "A", "preferred CPUs for interrupts");
6033
6034         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "swintr", CTLFLAG_RW,
6035             &sc->swintr, 0, "software triggered interrupts");
6036
6037         /*
6038          * dev.t4nex.X.misc.  Marked CTLFLAG_SKIP to avoid information overload.
6039          */
6040         oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "misc",
6041             CTLFLAG_RD | CTLFLAG_SKIP, NULL,
6042             "logs and miscellaneous information");
6043         children = SYSCTL_CHILDREN(oid);
6044
6045         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cctrl",
6046             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6047             sysctl_cctrl, "A", "congestion control");
6048
6049         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp0",
6050             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6051             sysctl_cim_ibq_obq, "A", "CIM IBQ 0 (TP0)");
6052
6053         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp1",
6054             CTLTYPE_STRING | CTLFLAG_RD, sc, 1,
6055             sysctl_cim_ibq_obq, "A", "CIM IBQ 1 (TP1)");
6056
6057         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ulp",
6058             CTLTYPE_STRING | CTLFLAG_RD, sc, 2,
6059             sysctl_cim_ibq_obq, "A", "CIM IBQ 2 (ULP)");
6060
6061         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge0",
6062             CTLTYPE_STRING | CTLFLAG_RD, sc, 3,
6063             sysctl_cim_ibq_obq, "A", "CIM IBQ 3 (SGE0)");
6064
6065         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge1",
6066             CTLTYPE_STRING | CTLFLAG_RD, sc, 4,
6067             sysctl_cim_ibq_obq, "A", "CIM IBQ 4 (SGE1)");
6068
6069         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ncsi",
6070             CTLTYPE_STRING | CTLFLAG_RD, sc, 5,
6071             sysctl_cim_ibq_obq, "A", "CIM IBQ 5 (NCSI)");
6072
6073         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_la",
6074             CTLTYPE_STRING | CTLFLAG_RD, sc, 0, sysctl_cim_la,
6075             "A", "CIM logic analyzer");
6076
6077         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ma_la",
6078             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6079             sysctl_cim_ma_la, "A", "CIM MA logic analyzer");
6080
6081         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp0",
6082             CTLTYPE_STRING | CTLFLAG_RD, sc, 0 + CIM_NUM_IBQ,
6083             sysctl_cim_ibq_obq, "A", "CIM OBQ 0 (ULP0)");
6084
6085         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp1",
6086             CTLTYPE_STRING | CTLFLAG_RD, sc, 1 + CIM_NUM_IBQ,
6087             sysctl_cim_ibq_obq, "A", "CIM OBQ 1 (ULP1)");
6088
6089         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp2",
6090             CTLTYPE_STRING | CTLFLAG_RD, sc, 2 + CIM_NUM_IBQ,
6091             sysctl_cim_ibq_obq, "A", "CIM OBQ 2 (ULP2)");
6092
6093         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp3",
6094             CTLTYPE_STRING | CTLFLAG_RD, sc, 3 + CIM_NUM_IBQ,
6095             sysctl_cim_ibq_obq, "A", "CIM OBQ 3 (ULP3)");
6096
6097         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge",
6098             CTLTYPE_STRING | CTLFLAG_RD, sc, 4 + CIM_NUM_IBQ,
6099             sysctl_cim_ibq_obq, "A", "CIM OBQ 4 (SGE)");
6100
6101         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ncsi",
6102             CTLTYPE_STRING | CTLFLAG_RD, sc, 5 + CIM_NUM_IBQ,
6103             sysctl_cim_ibq_obq, "A", "CIM OBQ 5 (NCSI)");
6104
6105         if (chip_id(sc) > CHELSIO_T4) {
6106                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge0_rx",
6107                     CTLTYPE_STRING | CTLFLAG_RD, sc, 6 + CIM_NUM_IBQ,
6108                     sysctl_cim_ibq_obq, "A", "CIM OBQ 6 (SGE0-RX)");
6109
6110                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge1_rx",
6111                     CTLTYPE_STRING | CTLFLAG_RD, sc, 7 + CIM_NUM_IBQ,
6112                     sysctl_cim_ibq_obq, "A", "CIM OBQ 7 (SGE1-RX)");
6113         }
6114
6115         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_pif_la",
6116             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6117             sysctl_cim_pif_la, "A", "CIM PIF logic analyzer");
6118
6119         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_qcfg",
6120             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6121             sysctl_cim_qcfg, "A", "CIM queue configuration");
6122
6123         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cpl_stats",
6124             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6125             sysctl_cpl_stats, "A", "CPL statistics");
6126
6127         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "ddp_stats",
6128             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6129             sysctl_ddp_stats, "A", "non-TCP DDP statistics");
6130
6131         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "devlog",
6132             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6133             sysctl_devlog, "A", "firmware's device log");
6134
6135         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fcoe_stats",
6136             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6137             sysctl_fcoe_stats, "A", "FCoE statistics");
6138
6139         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "hw_sched",
6140             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6141             sysctl_hw_sched, "A", "hardware scheduler ");
6142
6143         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "l2t",
6144             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6145             sysctl_l2t, "A", "hardware L2 table");
6146
6147         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "smt",
6148             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6149             sysctl_smt, "A", "hardware source MAC table");
6150
6151 #ifdef INET6
6152         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "clip",
6153             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6154             sysctl_clip, "A", "active CLIP table entries");
6155 #endif
6156
6157         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "lb_stats",
6158             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6159             sysctl_lb_stats, "A", "loopback statistics");
6160
6161         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "meminfo",
6162             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6163             sysctl_meminfo, "A", "memory regions");
6164
6165         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "mps_tcam",
6166             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6167             chip_id(sc) <= CHELSIO_T5 ? sysctl_mps_tcam : sysctl_mps_tcam_t6,
6168             "A", "MPS TCAM entries");
6169
6170         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "path_mtus",
6171             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6172             sysctl_path_mtus, "A", "path MTUs");
6173
6174         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pm_stats",
6175             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6176             sysctl_pm_stats, "A", "PM statistics");
6177
6178         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rdma_stats",
6179             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6180             sysctl_rdma_stats, "A", "RDMA statistics");
6181
6182         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tcp_stats",
6183             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6184             sysctl_tcp_stats, "A", "TCP statistics");
6185
6186         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tids",
6187             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6188             sysctl_tids, "A", "TID information");
6189
6190         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_err_stats",
6191             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6192             sysctl_tp_err_stats, "A", "TP error statistics");
6193
6194         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la_mask",
6195             CTLTYPE_INT | CTLFLAG_RW, sc, 0, sysctl_tp_la_mask, "I",
6196             "TP logic analyzer event capture mask");
6197
6198         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la",
6199             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6200             sysctl_tp_la, "A", "TP logic analyzer");
6201
6202         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tx_rate",
6203             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6204             sysctl_tx_rate, "A", "Tx rate");
6205
6206         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "ulprx_la",
6207             CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6208             sysctl_ulprx_la, "A", "ULPRX logic analyzer");
6209
6210         if (chip_id(sc) >= CHELSIO_T5) {
6211                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "wcwr_stats",
6212                     CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
6213                     sysctl_wcwr_stats, "A", "write combined work requests");
6214         }
6215
6216 #ifdef TCP_OFFLOAD
6217         if (is_offload(sc)) {
6218                 int i;
6219                 char s[4];
6220
6221                 /*
6222                  * dev.t4nex.X.toe.
6223                  */
6224                 oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "toe", CTLFLAG_RD,
6225                     NULL, "TOE parameters");
6226                 children = SYSCTL_CHILDREN(oid);
6227
6228                 sc->tt.cong_algorithm = -1;
6229                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "cong_algorithm",
6230                     CTLFLAG_RW, &sc->tt.cong_algorithm, 0, "congestion control "
6231                     "(-1 = default, 0 = reno, 1 = tahoe, 2 = newreno, "
6232                     "3 = highspeed)");
6233
6234                 sc->tt.sndbuf = 256 * 1024;
6235                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "sndbuf", CTLFLAG_RW,
6236                     &sc->tt.sndbuf, 0, "max hardware send buffer size");
6237
6238                 sc->tt.ddp = 0;
6239                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ddp", CTLFLAG_RW,
6240                     &sc->tt.ddp, 0, "DDP allowed");
6241
6242                 sc->tt.rx_coalesce = 1;
6243                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_coalesce",
6244                     CTLFLAG_RW, &sc->tt.rx_coalesce, 0, "receive coalescing");
6245
6246                 sc->tt.tls = 0;
6247                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tls", CTLFLAG_RW,
6248                     &sc->tt.tls, 0, "Inline TLS allowed");
6249
6250                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tls_rx_ports",
6251                     CTLTYPE_INT | CTLFLAG_RW, sc, 0, sysctl_tls_rx_ports,
6252                     "I", "TCP ports that use inline TLS+TOE RX");
6253
6254                 sc->tt.tx_align = 1;
6255                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_align",
6256                     CTLFLAG_RW, &sc->tt.tx_align, 0, "chop and align payload");
6257
6258                 sc->tt.tx_zcopy = 0;
6259                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_zcopy",
6260                     CTLFLAG_RW, &sc->tt.tx_zcopy, 0,
6261                     "Enable zero-copy aio_write(2)");
6262
6263                 sc->tt.cop_managed_offloading = !!t4_cop_managed_offloading;
6264                 SYSCTL_ADD_INT(ctx, children, OID_AUTO,
6265                     "cop_managed_offloading", CTLFLAG_RW,
6266                     &sc->tt.cop_managed_offloading, 0,
6267                     "COP (Connection Offload Policy) controls all TOE offload");
6268
6269                 sc->tt.autorcvbuf_inc = 16 * 1024;
6270                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "autorcvbuf_inc",
6271                     CTLFLAG_RW, &sc->tt.autorcvbuf_inc, 0,
6272                     "autorcvbuf increment");
6273
6274                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "timer_tick",
6275                     CTLTYPE_STRING | CTLFLAG_RD, sc, 0, sysctl_tp_tick, "A",
6276                     "TP timer tick (us)");
6277
6278                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "timestamp_tick",
6279                     CTLTYPE_STRING | CTLFLAG_RD, sc, 1, sysctl_tp_tick, "A",
6280                     "TCP timestamp tick (us)");
6281
6282                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "dack_tick",
6283                     CTLTYPE_STRING | CTLFLAG_RD, sc, 2, sysctl_tp_tick, "A",
6284                     "DACK tick (us)");
6285
6286                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "dack_timer",
6287                     CTLTYPE_UINT | CTLFLAG_RD, sc, 0, sysctl_tp_dack_timer,
6288                     "IU", "DACK timer (us)");
6289
6290                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_min",
6291                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_RXT_MIN,
6292                     sysctl_tp_timer, "LU", "Minimum retransmit interval (us)");
6293
6294                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_max",
6295                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_RXT_MAX,
6296                     sysctl_tp_timer, "LU", "Maximum retransmit interval (us)");
6297
6298                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "persist_min",
6299                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_PERS_MIN,
6300                     sysctl_tp_timer, "LU", "Persist timer min (us)");
6301
6302                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "persist_max",
6303                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_PERS_MAX,
6304                     sysctl_tp_timer, "LU", "Persist timer max (us)");
6305
6306                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_idle",
6307                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_KEEP_IDLE,
6308                     sysctl_tp_timer, "LU", "Keepalive idle timer (us)");
6309
6310                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_interval",
6311                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_KEEP_INTVL,
6312                     sysctl_tp_timer, "LU", "Keepalive interval timer (us)");
6313
6314                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "initial_srtt",
6315                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_INIT_SRTT,
6316                     sysctl_tp_timer, "LU", "Initial SRTT (us)");
6317
6318                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "finwait2_timer",
6319                     CTLTYPE_ULONG | CTLFLAG_RD, sc, A_TP_FINWAIT2_TIMER,
6320                     sysctl_tp_timer, "LU", "FINWAIT2 timer (us)");
6321
6322                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "syn_rexmt_count",
6323                     CTLTYPE_UINT | CTLFLAG_RD, sc, S_SYNSHIFTMAX,
6324                     sysctl_tp_shift_cnt, "IU",
6325                     "Number of SYN retransmissions before abort");
6326
6327                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_count",
6328                     CTLTYPE_UINT | CTLFLAG_RD, sc, S_RXTSHIFTMAXR2,
6329                     sysctl_tp_shift_cnt, "IU",
6330                     "Number of retransmissions before abort");
6331
6332                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_count",
6333                     CTLTYPE_UINT | CTLFLAG_RD, sc, S_KEEPALIVEMAXR2,
6334                     sysctl_tp_shift_cnt, "IU",
6335                     "Number of keepalive probes before abort");
6336
6337                 oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "rexmt_backoff",
6338                     CTLFLAG_RD, NULL, "TOE retransmit backoffs");
6339                 children = SYSCTL_CHILDREN(oid);
6340                 for (i = 0; i < 16; i++) {
6341                         snprintf(s, sizeof(s), "%u", i);
6342                         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, s,
6343                             CTLTYPE_UINT | CTLFLAG_RD, sc, i, sysctl_tp_backoff,
6344                             "IU", "TOE retransmit backoff");
6345                 }
6346         }
6347 #endif
6348 }
6349
6350 void
6351 vi_sysctls(struct vi_info *vi)
6352 {
6353         struct sysctl_ctx_list *ctx;
6354         struct sysctl_oid *oid;
6355         struct sysctl_oid_list *children;
6356
6357         ctx = device_get_sysctl_ctx(vi->dev);
6358
6359         /*
6360          * dev.v?(cxgbe|cxl).X.
6361          */
6362         oid = device_get_sysctl_tree(vi->dev);
6363         children = SYSCTL_CHILDREN(oid);
6364
6365         SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "viid", CTLFLAG_RD, NULL,
6366             vi->viid, "VI identifer");
6367         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nrxq", CTLFLAG_RD,
6368             &vi->nrxq, 0, "# of rx queues");
6369         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ntxq", CTLFLAG_RD,
6370             &vi->ntxq, 0, "# of tx queues");
6371         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_rxq", CTLFLAG_RD,
6372             &vi->first_rxq, 0, "index of first rx queue");
6373         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_txq", CTLFLAG_RD,
6374             &vi->first_txq, 0, "index of first tx queue");
6375         SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "rss_base", CTLFLAG_RD, NULL,
6376             vi->rss_base, "start of RSS indirection table");
6377         SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "rss_size", CTLFLAG_RD, NULL,
6378             vi->rss_size, "size of RSS indirection table");
6379
6380         if (IS_MAIN_VI(vi)) {
6381                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rsrv_noflowq",
6382                     CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_noflowq, "IU",
6383                     "Reserve queue 0 for non-flowid packets");
6384         }
6385
6386 #ifdef TCP_OFFLOAD
6387         if (vi->nofldrxq != 0) {
6388                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldrxq", CTLFLAG_RD,
6389                     &vi->nofldrxq, 0,
6390                     "# of rx queues for offloaded TCP connections");
6391                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_rxq",
6392                     CTLFLAG_RD, &vi->first_ofld_rxq, 0,
6393                     "index of first TOE rx queue");
6394                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_tmr_idx_ofld",
6395                     CTLTYPE_INT | CTLFLAG_RW, vi, 0,
6396                     sysctl_holdoff_tmr_idx_ofld, "I",
6397                     "holdoff timer index for TOE queues");
6398                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pktc_idx_ofld",
6399                     CTLTYPE_INT | CTLFLAG_RW, vi, 0,
6400                     sysctl_holdoff_pktc_idx_ofld, "I",
6401                     "holdoff packet counter index for TOE queues");
6402         }
6403 #endif
6404 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
6405         if (vi->nofldtxq != 0) {
6406                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldtxq", CTLFLAG_RD,
6407                     &vi->nofldtxq, 0,
6408                     "# of tx queues for TOE/ETHOFLD");
6409                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_txq",
6410                     CTLFLAG_RD, &vi->first_ofld_txq, 0,
6411                     "index of first TOE/ETHOFLD tx queue");
6412         }
6413 #endif
6414 #ifdef DEV_NETMAP
6415         if (vi->nnmrxq != 0) {
6416                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nnmrxq", CTLFLAG_RD,
6417                     &vi->nnmrxq, 0, "# of netmap rx queues");
6418                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nnmtxq", CTLFLAG_RD,
6419                     &vi->nnmtxq, 0, "# of netmap tx queues");
6420                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_nm_rxq",
6421                     CTLFLAG_RD, &vi->first_nm_rxq, 0,
6422                     "index of first netmap rx queue");
6423                 SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_nm_txq",
6424                     CTLFLAG_RD, &vi->first_nm_txq, 0,
6425                     "index of first netmap tx queue");
6426         }
6427 #endif
6428
6429         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_tmr_idx",
6430             CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_holdoff_tmr_idx, "I",
6431             "holdoff timer index");
6432         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pktc_idx",
6433             CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_holdoff_pktc_idx, "I",
6434             "holdoff packet counter index");
6435
6436         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_rxq",
6437             CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_qsize_rxq, "I",
6438             "rx queue size");
6439         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_txq",
6440             CTLTYPE_INT | CTLFLAG_RW, vi, 0, sysctl_qsize_txq, "I",
6441             "tx queue size");
6442 }
6443
6444 static void
6445 cxgbe_sysctls(struct port_info *pi)
6446 {
6447         struct sysctl_ctx_list *ctx;
6448         struct sysctl_oid *oid;
6449         struct sysctl_oid_list *children, *children2;
6450         struct adapter *sc = pi->adapter;
6451         int i;
6452         char name[16];
6453         static char *tc_flags = {"\20\1USER\2SYNC\3ASYNC\4ERR"};
6454
6455         ctx = device_get_sysctl_ctx(pi->dev);
6456
6457         /*
6458          * dev.cxgbe.X.
6459          */
6460         oid = device_get_sysctl_tree(pi->dev);
6461         children = SYSCTL_CHILDREN(oid);
6462
6463         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "linkdnrc", CTLTYPE_STRING |
6464            CTLFLAG_RD, pi, 0, sysctl_linkdnrc, "A", "reason why link is down");
6465         if (pi->port_type == FW_PORT_TYPE_BT_XAUI) {
6466                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "temperature",
6467                     CTLTYPE_INT | CTLFLAG_RD, pi, 0, sysctl_btphy, "I",
6468                     "PHY temperature (in Celsius)");
6469                 SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fw_version",
6470                     CTLTYPE_INT | CTLFLAG_RD, pi, 1, sysctl_btphy, "I",
6471                     "PHY firmware version");
6472         }
6473
6474         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pause_settings",
6475             CTLTYPE_STRING | CTLFLAG_RW, pi, 0, sysctl_pause_settings, "A",
6476     "PAUSE settings (bit 0 = rx_pause, 1 = tx_pause, 2 = pause_autoneg)");
6477         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fec",
6478             CTLTYPE_STRING | CTLFLAG_RW, pi, 0, sysctl_fec, "A",
6479             "Forward Error Correction (bit 0 = RS, bit 1 = BASER_RS)");
6480         SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "autoneg",
6481             CTLTYPE_INT | CTLFLAG_RW, pi, 0, sysctl_autoneg, "I",
6482             "autonegotiation (-1 = not supported)");
6483
6484         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "max_speed", CTLFLAG_RD, NULL,
6485             port_top_speed(pi), "max speed (in Gbps)");
6486         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "mps_bg_map", CTLFLAG_RD, NULL,
6487             pi->mps_bg_map, "MPS buffer group map");
6488         SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_e_chan_map", CTLFLAG_RD,
6489             NULL, pi->rx_e_chan_map, "TP rx e-channel map");
6490
6491         if (sc->flags & IS_VF)
6492                 return;
6493
6494         /*
6495          * dev.(cxgbe|cxl).X.tc.
6496          */
6497         oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "tc", CTLFLAG_RD, NULL,
6498             "Tx scheduler traffic classes (cl_rl)");
6499         children2 = SYSCTL_CHILDREN(oid);
6500         SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "pktsize",
6501             CTLFLAG_RW, &pi->sched_params->pktsize, 0,
6502             "pktsize for per-flow cl-rl (0 means up to the driver )");
6503         SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "burstsize",
6504             CTLFLAG_RW, &pi->sched_params->burstsize, 0,
6505             "burstsize for per-flow cl-rl (0 means up to the driver)");
6506         for (i = 0; i < sc->chip_params->nsched_cls; i++) {
6507                 struct tx_cl_rl_params *tc = &pi->sched_params->cl_rl[i];
6508
6509                 snprintf(name, sizeof(name), "%d", i);
6510                 children2 = SYSCTL_CHILDREN(SYSCTL_ADD_NODE(ctx,
6511                     SYSCTL_CHILDREN(oid), OID_AUTO, name, CTLFLAG_RD, NULL,
6512                     "traffic class"));
6513                 SYSCTL_ADD_PROC(ctx, children2, OID_AUTO, "flags",
6514                     CTLTYPE_STRING | CTLFLAG_RD, tc_flags, (uintptr_t)&tc->flags,
6515                     sysctl_bitfield_8b, "A", "flags");
6516                 SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "refcount",
6517                     CTLFLAG_RD, &tc->refcount, 0, "references to this class");
6518                 SYSCTL_ADD_PROC(ctx, children2, OID_AUTO, "params",
6519                     CTLTYPE_STRING | CTLFLAG_RD, sc, (pi->port_id << 16) | i,
6520                     sysctl_tc_params, "A", "traffic class parameters");
6521         }
6522
6523         /*
6524          * dev.cxgbe.X.stats.
6525          */
6526         oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "stats", CTLFLAG_RD,
6527             NULL, "port statistics");
6528         children = SYSCTL_CHILDREN(oid);
6529         SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "tx_parse_error", CTLFLAG_RD,
6530             &pi->tx_parse_error, 0,
6531             "# of tx packets with invalid length or # of segments");
6532
6533 #define SYSCTL_ADD_T4_REG64(pi, name, desc, reg) \
6534         SYSCTL_ADD_OID(ctx, children, OID_AUTO, name, \
6535             CTLTYPE_U64 | CTLFLAG_RD, sc, reg, \
6536             sysctl_handle_t4_reg64, "QU", desc)
6537
6538         SYSCTL_ADD_T4_REG64(pi, "tx_octets", "# of octets in good frames",
6539             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_BYTES_L));
6540         SYSCTL_ADD_T4_REG64(pi, "tx_frames", "total # of good frames",
6541             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_FRAMES_L));
6542         SYSCTL_ADD_T4_REG64(pi, "tx_bcast_frames", "# of broadcast frames",
6543             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_BCAST_L));
6544         SYSCTL_ADD_T4_REG64(pi, "tx_mcast_frames", "# of multicast frames",
6545             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_MCAST_L));
6546         SYSCTL_ADD_T4_REG64(pi, "tx_ucast_frames", "# of unicast frames",
6547             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_UCAST_L));
6548         SYSCTL_ADD_T4_REG64(pi, "tx_error_frames", "# of error frames",
6549             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_ERROR_L));
6550         SYSCTL_ADD_T4_REG64(pi, "tx_frames_64",
6551             "# of tx frames in this range",
6552             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_64B_L));
6553         SYSCTL_ADD_T4_REG64(pi, "tx_frames_65_127",
6554             "# of tx frames in this range",
6555             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_65B_127B_L));
6556         SYSCTL_ADD_T4_REG64(pi, "tx_frames_128_255",
6557             "# of tx frames in this range",
6558             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_128B_255B_L));
6559         SYSCTL_ADD_T4_REG64(pi, "tx_frames_256_511",
6560             "# of tx frames in this range",
6561             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_256B_511B_L));
6562         SYSCTL_ADD_T4_REG64(pi, "tx_frames_512_1023",
6563             "# of tx frames in this range",
6564             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_512B_1023B_L));
6565         SYSCTL_ADD_T4_REG64(pi, "tx_frames_1024_1518",
6566             "# of tx frames in this range",
6567             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_1024B_1518B_L));
6568         SYSCTL_ADD_T4_REG64(pi, "tx_frames_1519_max",
6569             "# of tx frames in this range",
6570             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_1519B_MAX_L));
6571         SYSCTL_ADD_T4_REG64(pi, "tx_drop", "# of dropped tx frames",
6572             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_DROP_L));
6573         SYSCTL_ADD_T4_REG64(pi, "tx_pause", "# of pause frames transmitted",
6574             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PAUSE_L));
6575         SYSCTL_ADD_T4_REG64(pi, "tx_ppp0", "# of PPP prio 0 frames transmitted",
6576             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP0_L));
6577         SYSCTL_ADD_T4_REG64(pi, "tx_ppp1", "# of PPP prio 1 frames transmitted",
6578             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP1_L));
6579         SYSCTL_ADD_T4_REG64(pi, "tx_ppp2", "# of PPP prio 2 frames transmitted",
6580             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP2_L));
6581         SYSCTL_ADD_T4_REG64(pi, "tx_ppp3", "# of PPP prio 3 frames transmitted",
6582             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP3_L));
6583         SYSCTL_ADD_T4_REG64(pi, "tx_ppp4", "# of PPP prio 4 frames transmitted",
6584             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP4_L));
6585         SYSCTL_ADD_T4_REG64(pi, "tx_ppp5", "# of PPP prio 5 frames transmitted",
6586             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP5_L));
6587         SYSCTL_ADD_T4_REG64(pi, "tx_ppp6", "# of PPP prio 6 frames transmitted",
6588             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP6_L));
6589         SYSCTL_ADD_T4_REG64(pi, "tx_ppp7", "# of PPP prio 7 frames transmitted",
6590             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP7_L));
6591
6592         SYSCTL_ADD_T4_REG64(pi, "rx_octets", "# of octets in good frames",
6593             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_BYTES_L));
6594         SYSCTL_ADD_T4_REG64(pi, "rx_frames", "total # of good frames",
6595             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_FRAMES_L));
6596         SYSCTL_ADD_T4_REG64(pi, "rx_bcast_frames", "# of broadcast frames",
6597             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_BCAST_L));
6598         SYSCTL_ADD_T4_REG64(pi, "rx_mcast_frames", "# of multicast frames",
6599             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MCAST_L));
6600         SYSCTL_ADD_T4_REG64(pi, "rx_ucast_frames", "# of unicast frames",
6601             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_UCAST_L));
6602         SYSCTL_ADD_T4_REG64(pi, "rx_too_long", "# of frames exceeding MTU",
6603             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MTU_ERROR_L));
6604         SYSCTL_ADD_T4_REG64(pi, "rx_jabber", "# of jabber frames",
6605             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MTU_CRC_ERROR_L));
6606         SYSCTL_ADD_T4_REG64(pi, "rx_fcs_err",
6607             "# of frames received with bad FCS",
6608             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_CRC_ERROR_L));
6609         SYSCTL_ADD_T4_REG64(pi, "rx_len_err",
6610             "# of frames received with length error",
6611             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_LEN_ERROR_L));
6612         SYSCTL_ADD_T4_REG64(pi, "rx_symbol_err", "symbol errors",
6613             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_SYM_ERROR_L));
6614         SYSCTL_ADD_T4_REG64(pi, "rx_runt", "# of short frames received",
6615             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_LESS_64B_L));
6616         SYSCTL_ADD_T4_REG64(pi, "rx_frames_64",
6617             "# of rx frames in this range",
6618             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_64B_L));
6619         SYSCTL_ADD_T4_REG64(pi, "rx_frames_65_127",
6620             "# of rx frames in this range",
6621             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_65B_127B_L));
6622         SYSCTL_ADD_T4_REG64(pi, "rx_frames_128_255",
6623             "# of rx frames in this range",
6624             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_128B_255B_L));
6625         SYSCTL_ADD_T4_REG64(pi, "rx_frames_256_511",
6626             "# of rx frames in this range",
6627             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_256B_511B_L));
6628         SYSCTL_ADD_T4_REG64(pi, "rx_frames_512_1023",
6629             "# of rx frames in this range",
6630             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_512B_1023B_L));
6631         SYSCTL_ADD_T4_REG64(pi, "rx_frames_1024_1518",
6632             "# of rx frames in this range",
6633             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_1024B_1518B_L));
6634         SYSCTL_ADD_T4_REG64(pi, "rx_frames_1519_max",
6635             "# of rx frames in this range",
6636             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_1519B_MAX_L));
6637         SYSCTL_ADD_T4_REG64(pi, "rx_pause", "# of pause frames received",
6638             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PAUSE_L));
6639         SYSCTL_ADD_T4_REG64(pi, "rx_ppp0", "# of PPP prio 0 frames received",
6640             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP0_L));
6641         SYSCTL_ADD_T4_REG64(pi, "rx_ppp1", "# of PPP prio 1 frames received",
6642             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP1_L));
6643         SYSCTL_ADD_T4_REG64(pi, "rx_ppp2", "# of PPP prio 2 frames received",
6644             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP2_L));
6645         SYSCTL_ADD_T4_REG64(pi, "rx_ppp3", "# of PPP prio 3 frames received",
6646             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP3_L));
6647         SYSCTL_ADD_T4_REG64(pi, "rx_ppp4", "# of PPP prio 4 frames received",
6648             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP4_L));
6649         SYSCTL_ADD_T4_REG64(pi, "rx_ppp5", "# of PPP prio 5 frames received",
6650             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP5_L));
6651         SYSCTL_ADD_T4_REG64(pi, "rx_ppp6", "# of PPP prio 6 frames received",
6652             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP6_L));
6653         SYSCTL_ADD_T4_REG64(pi, "rx_ppp7", "# of PPP prio 7 frames received",
6654             PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP7_L));
6655
6656 #undef SYSCTL_ADD_T4_REG64
6657
6658 #define SYSCTL_ADD_T4_PORTSTAT(name, desc) \
6659         SYSCTL_ADD_UQUAD(ctx, children, OID_AUTO, #name, CTLFLAG_RD, \
6660             &pi->stats.name, desc)
6661
6662         /* We get these from port_stats and they may be stale by up to 1s */
6663         SYSCTL_ADD_T4_PORTSTAT(rx_ovflow0,
6664             "# drops due to buffer-group 0 overflows");
6665         SYSCTL_ADD_T4_PORTSTAT(rx_ovflow1,
6666             "# drops due to buffer-group 1 overflows");
6667         SYSCTL_ADD_T4_PORTSTAT(rx_ovflow2,
6668             "# drops due to buffer-group 2 overflows");
6669         SYSCTL_ADD_T4_PORTSTAT(rx_ovflow3,
6670             "# drops due to buffer-group 3 overflows");
6671         SYSCTL_ADD_T4_PORTSTAT(rx_trunc0,
6672             "# of buffer-group 0 truncated packets");
6673         SYSCTL_ADD_T4_PORTSTAT(rx_trunc1,
6674             "# of buffer-group 1 truncated packets");
6675         SYSCTL_ADD_T4_PORTSTAT(rx_trunc2,
6676             "# of buffer-group 2 truncated packets");
6677         SYSCTL_ADD_T4_PORTSTAT(rx_trunc3,
6678             "# of buffer-group 3 truncated packets");
6679
6680 #undef SYSCTL_ADD_T4_PORTSTAT
6681
6682         SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "tx_tls_records",
6683             CTLFLAG_RD, &pi->tx_tls_records,
6684             "# of TLS records transmitted");
6685         SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "tx_tls_octets",
6686             CTLFLAG_RD, &pi->tx_tls_octets,
6687             "# of payload octets in transmitted TLS records");
6688         SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "rx_tls_records",
6689             CTLFLAG_RD, &pi->rx_tls_records,
6690             "# of TLS records received");
6691         SYSCTL_ADD_ULONG(ctx, children, OID_AUTO, "rx_tls_octets",
6692             CTLFLAG_RD, &pi->rx_tls_octets,
6693             "# of payload octets in received TLS records");
6694 }
6695
6696 static int
6697 sysctl_int_array(SYSCTL_HANDLER_ARGS)
6698 {
6699         int rc, *i, space = 0;
6700         struct sbuf sb;
6701
6702         sbuf_new_for_sysctl(&sb, NULL, 64, req);
6703         for (i = arg1; arg2; arg2 -= sizeof(int), i++) {
6704                 if (space)
6705                         sbuf_printf(&sb, " ");
6706                 sbuf_printf(&sb, "%d", *i);
6707                 space = 1;
6708         }
6709         rc = sbuf_finish(&sb);
6710         sbuf_delete(&sb);
6711         return (rc);
6712 }
6713
6714 static int
6715 sysctl_bitfield_8b(SYSCTL_HANDLER_ARGS)
6716 {
6717         int rc;
6718         struct sbuf *sb;
6719
6720         rc = sysctl_wire_old_buffer(req, 0);
6721         if (rc != 0)
6722                 return(rc);
6723
6724         sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
6725         if (sb == NULL)
6726                 return (ENOMEM);
6727
6728         sbuf_printf(sb, "%b", *(uint8_t *)(uintptr_t)arg2, (char *)arg1);
6729         rc = sbuf_finish(sb);
6730         sbuf_delete(sb);
6731
6732         return (rc);
6733 }
6734
6735 static int
6736 sysctl_bitfield_16b(SYSCTL_HANDLER_ARGS)
6737 {
6738         int rc;
6739         struct sbuf *sb;
6740
6741         rc = sysctl_wire_old_buffer(req, 0);
6742         if (rc != 0)
6743                 return(rc);
6744
6745         sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
6746         if (sb == NULL)
6747                 return (ENOMEM);
6748
6749         sbuf_printf(sb, "%b", *(uint16_t *)(uintptr_t)arg2, (char *)arg1);
6750         rc = sbuf_finish(sb);
6751         sbuf_delete(sb);
6752
6753         return (rc);
6754 }
6755
6756 static int
6757 sysctl_btphy(SYSCTL_HANDLER_ARGS)
6758 {
6759         struct port_info *pi = arg1;
6760         int op = arg2;
6761         struct adapter *sc = pi->adapter;
6762         u_int v;
6763         int rc;
6764
6765         rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK, "t4btt");
6766         if (rc)
6767                 return (rc);
6768         /* XXX: magic numbers */
6769         rc = -t4_mdio_rd(sc, sc->mbox, pi->mdio_addr, 0x1e, op ? 0x20 : 0xc820,
6770             &v);
6771         end_synchronized_op(sc, 0);
6772         if (rc)
6773                 return (rc);
6774         if (op == 0)
6775                 v /= 256;
6776
6777         rc = sysctl_handle_int(oidp, &v, 0, req);
6778         return (rc);
6779 }
6780
6781 static int
6782 sysctl_noflowq(SYSCTL_HANDLER_ARGS)
6783 {
6784         struct vi_info *vi = arg1;
6785         int rc, val;
6786
6787         val = vi->rsrv_noflowq;
6788         rc = sysctl_handle_int(oidp, &val, 0, req);
6789         if (rc != 0 || req->newptr == NULL)
6790                 return (rc);
6791
6792         if ((val >= 1) && (vi->ntxq > 1))
6793                 vi->rsrv_noflowq = 1;
6794         else
6795                 vi->rsrv_noflowq = 0;
6796
6797         return (rc);
6798 }
6799
6800 static int
6801 sysctl_holdoff_tmr_idx(SYSCTL_HANDLER_ARGS)
6802 {
6803         struct vi_info *vi = arg1;
6804         struct adapter *sc = vi->pi->adapter;
6805         int idx, rc, i;
6806         struct sge_rxq *rxq;
6807         uint8_t v;
6808
6809         idx = vi->tmr_idx;
6810
6811         rc = sysctl_handle_int(oidp, &idx, 0, req);
6812         if (rc != 0 || req->newptr == NULL)
6813                 return (rc);
6814
6815         if (idx < 0 || idx >= SGE_NTIMERS)
6816                 return (EINVAL);
6817
6818         rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
6819             "t4tmr");
6820         if (rc)
6821                 return (rc);
6822
6823         v = V_QINTR_TIMER_IDX(idx) | V_QINTR_CNT_EN(vi->pktc_idx != -1);
6824         for_each_rxq(vi, i, rxq) {
6825 #ifdef atomic_store_rel_8
6826                 atomic_store_rel_8(&rxq->iq.intr_params, v);
6827 #else
6828                 rxq->iq.intr_params = v;
6829 #endif
6830         }
6831         vi->tmr_idx = idx;
6832
6833         end_synchronized_op(sc, LOCK_HELD);
6834         return (0);
6835 }
6836
6837 static int
6838 sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS)
6839 {
6840         struct vi_info *vi = arg1;
6841         struct adapter *sc = vi->pi->adapter;
6842         int idx, rc;
6843
6844         idx = vi->pktc_idx;
6845
6846         rc = sysctl_handle_int(oidp, &idx, 0, req);
6847         if (rc != 0 || req->newptr == NULL)
6848                 return (rc);
6849
6850         if (idx < -1 || idx >= SGE_NCOUNTERS)
6851                 return (EINVAL);
6852
6853         rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
6854             "t4pktc");
6855         if (rc)
6856                 return (rc);
6857
6858         if (vi->flags & VI_INIT_DONE)
6859                 rc = EBUSY; /* cannot be changed once the queues are created */
6860         else
6861                 vi->pktc_idx = idx;
6862
6863         end_synchronized_op(sc, LOCK_HELD);
6864         return (rc);
6865 }
6866
6867 static int
6868 sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS)
6869 {
6870         struct vi_info *vi = arg1;
6871         struct adapter *sc = vi->pi->adapter;
6872         int qsize, rc;
6873
6874         qsize = vi->qsize_rxq;
6875
6876         rc = sysctl_handle_int(oidp, &qsize, 0, req);
6877         if (rc != 0 || req->newptr == NULL)
6878                 return (rc);
6879
6880         if (qsize < 128 || (qsize & 7))
6881                 return (EINVAL);
6882
6883         rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
6884             "t4rxqs");
6885         if (rc)
6886                 return (rc);
6887
6888         if (vi->flags & VI_INIT_DONE)
6889                 rc = EBUSY; /* cannot be changed once the queues are created */
6890         else
6891                 vi->qsize_rxq = qsize;
6892
6893         end_synchronized_op(sc, LOCK_HELD);
6894         return (rc);
6895 }
6896
6897 static int
6898 sysctl_qsize_txq(SYSCTL_HANDLER_ARGS)
6899 {
6900         struct vi_info *vi = arg1;
6901         struct adapter *sc = vi->pi->adapter;
6902         int qsize, rc;
6903
6904         qsize = vi->qsize_txq;
6905
6906         rc = sysctl_handle_int(oidp, &qsize, 0, req);
6907         if (rc != 0 || req->newptr == NULL)
6908                 return (rc);
6909
6910         if (qsize < 128 || qsize > 65536)
6911                 return (EINVAL);
6912
6913         rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
6914             "t4txqs");
6915         if (rc)
6916                 return (rc);
6917
6918         if (vi->flags & VI_INIT_DONE)
6919                 rc = EBUSY; /* cannot be changed once the queues are created */
6920         else
6921                 vi->qsize_txq = qsize;
6922
6923         end_synchronized_op(sc, LOCK_HELD);
6924         return (rc);
6925 }
6926
6927 static int
6928 sysctl_pause_settings(SYSCTL_HANDLER_ARGS)
6929 {
6930         struct port_info *pi = arg1;
6931         struct adapter *sc = pi->adapter;
6932         struct link_config *lc = &pi->link_cfg;
6933         int rc;
6934
6935         if (req->newptr == NULL) {
6936                 struct sbuf *sb;
6937                 static char *bits = "\20\1RX\2TX\3AUTO";
6938
6939                 rc = sysctl_wire_old_buffer(req, 0);
6940                 if (rc != 0)
6941                         return(rc);
6942
6943                 sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
6944                 if (sb == NULL)
6945                         return (ENOMEM);
6946
6947                 if (lc->link_ok) {
6948                         sbuf_printf(sb, "%b", (lc->fc & (PAUSE_TX | PAUSE_RX)) |
6949                             (lc->requested_fc & PAUSE_AUTONEG), bits);
6950                 } else {
6951                         sbuf_printf(sb, "%b", lc->requested_fc & (PAUSE_TX |
6952                             PAUSE_RX | PAUSE_AUTONEG), bits);
6953                 }
6954                 rc = sbuf_finish(sb);
6955                 sbuf_delete(sb);
6956         } else {
6957                 char s[2];
6958                 int n;
6959
6960                 s[0] = '0' + (lc->requested_fc & (PAUSE_TX | PAUSE_RX |
6961                     PAUSE_AUTONEG));
6962                 s[1] = 0;
6963
6964                 rc = sysctl_handle_string(oidp, s, sizeof(s), req);
6965                 if (rc != 0)
6966                         return(rc);
6967
6968                 if (s[1] != 0)
6969                         return (EINVAL);
6970                 if (s[0] < '0' || s[0] > '9')
6971                         return (EINVAL);        /* not a number */
6972                 n = s[0] - '0';
6973                 if (n & ~(PAUSE_TX | PAUSE_RX | PAUSE_AUTONEG))
6974                         return (EINVAL);        /* some other bit is set too */
6975
6976                 rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK,
6977                     "t4PAUSE");
6978                 if (rc)
6979                         return (rc);
6980                 PORT_LOCK(pi);
6981                 lc->requested_fc = n;
6982                 fixup_link_config(pi);
6983                 if (pi->up_vis > 0)
6984                         rc = apply_link_config(pi);
6985                 set_current_media(pi);
6986                 PORT_UNLOCK(pi);
6987                 end_synchronized_op(sc, 0);
6988         }
6989
6990         return (rc);
6991 }
6992
6993 static int
6994 sysctl_fec(SYSCTL_HANDLER_ARGS)
6995 {
6996         struct port_info *pi = arg1;
6997         struct adapter *sc = pi->adapter;
6998         struct link_config *lc = &pi->link_cfg;
6999         int rc;
7000         int8_t old;
7001
7002         if (req->newptr == NULL) {
7003                 struct sbuf *sb;
7004                 static char *bits = "\20\1RS\2BASE-R\3RSVD1\4RSVD2\5RSVD3\6AUTO";
7005
7006                 rc = sysctl_wire_old_buffer(req, 0);
7007                 if (rc != 0)
7008                         return(rc);
7009
7010                 sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
7011                 if (sb == NULL)
7012                         return (ENOMEM);
7013
7014                 /*
7015                  * Display the requested_fec when the link is down -- the actual
7016                  * FEC makes sense only when the link is up.
7017                  */
7018                 if (lc->link_ok) {
7019                         sbuf_printf(sb, "%b", (lc->fec & M_FW_PORT_CAP32_FEC) |
7020                             (lc->requested_fec & FEC_AUTO), bits);
7021                 } else {
7022                         sbuf_printf(sb, "%b", lc->requested_fec, bits);
7023                 }
7024                 rc = sbuf_finish(sb);
7025                 sbuf_delete(sb);
7026         } else {
7027                 char s[3];
7028                 int n;
7029
7030                 snprintf(s, sizeof(s), "%d",
7031                     lc->requested_fec == FEC_AUTO ? -1 :
7032                     lc->requested_fec & M_FW_PORT_CAP32_FEC);
7033
7034                 rc = sysctl_handle_string(oidp, s, sizeof(s), req);
7035                 if (rc != 0)
7036                         return(rc);
7037
7038                 n = strtol(&s[0], NULL, 0);
7039                 if (n < 0 || n & FEC_AUTO)
7040                         n = FEC_AUTO;
7041                 else {
7042                         if (n & ~M_FW_PORT_CAP32_FEC)
7043                                 return (EINVAL);/* some other bit is set too */
7044                         if (!powerof2(n))
7045                                 return (EINVAL);/* one bit can be set at most */
7046                 }
7047
7048                 rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK,
7049                     "t4fec");
7050                 if (rc)
7051                         return (rc);
7052                 PORT_LOCK(pi);
7053                 old = lc->requested_fec;
7054                 if (n == FEC_AUTO)
7055                         lc->requested_fec = FEC_AUTO;
7056                 else if (n == 0)
7057                         lc->requested_fec = FEC_NONE;
7058                 else {
7059                         if ((lc->supported | V_FW_PORT_CAP32_FEC(n)) !=
7060                             lc->supported) {
7061                                 rc = ENOTSUP;
7062                                 goto done;
7063                         }
7064                         lc->requested_fec = n;
7065                 }
7066                 fixup_link_config(pi);
7067                 if (pi->up_vis > 0) {
7068                         rc = apply_link_config(pi);
7069                         if (rc != 0) {
7070                                 lc->requested_fec = old;
7071                                 if (rc == FW_EPROTO)
7072                                         rc = ENOTSUP;
7073                         }
7074                 }
7075 done:
7076                 PORT_UNLOCK(pi);
7077                 end_synchronized_op(sc, 0);
7078         }
7079
7080         return (rc);
7081 }
7082
7083 static int
7084 sysctl_autoneg(SYSCTL_HANDLER_ARGS)
7085 {
7086         struct port_info *pi = arg1;
7087         struct adapter *sc = pi->adapter;
7088         struct link_config *lc = &pi->link_cfg;
7089         int rc, val;
7090
7091         if (lc->supported & FW_PORT_CAP32_ANEG)
7092                 val = lc->requested_aneg == AUTONEG_DISABLE ? 0 : 1;
7093         else
7094                 val = -1;
7095         rc = sysctl_handle_int(oidp, &val, 0, req);
7096         if (rc != 0 || req->newptr == NULL)
7097                 return (rc);
7098         if (val == 0)
7099                 val = AUTONEG_DISABLE;
7100         else if (val == 1)
7101                 val = AUTONEG_ENABLE;
7102         else
7103                 val = AUTONEG_AUTO;
7104
7105         rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK,
7106             "t4aneg");
7107         if (rc)
7108                 return (rc);
7109         PORT_LOCK(pi);
7110         if (val == AUTONEG_ENABLE && !(lc->supported & FW_PORT_CAP32_ANEG)) {
7111                 rc = ENOTSUP;
7112                 goto done;
7113         }
7114         lc->requested_aneg = val;
7115         fixup_link_config(pi);
7116         if (pi->up_vis > 0)
7117                 rc = apply_link_config(pi);
7118         set_current_media(pi);
7119 done:
7120         PORT_UNLOCK(pi);
7121         end_synchronized_op(sc, 0);
7122         return (rc);
7123 }
7124
7125 static int
7126 sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS)
7127 {
7128         struct adapter *sc = arg1;
7129         int reg = arg2;
7130         uint64_t val;
7131
7132         val = t4_read_reg64(sc, reg);
7133
7134         return (sysctl_handle_64(oidp, &val, 0, req));
7135 }
7136
7137 static int
7138 sysctl_temperature(SYSCTL_HANDLER_ARGS)
7139 {
7140         struct adapter *sc = arg1;
7141         int rc, t;
7142         uint32_t param, val;
7143
7144         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4temp");
7145         if (rc)
7146                 return (rc);
7147         param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
7148             V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) |
7149             V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_TMP);
7150         rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
7151         end_synchronized_op(sc, 0);
7152         if (rc)
7153                 return (rc);
7154
7155         /* unknown is returned as 0 but we display -1 in that case */
7156         t = val == 0 ? -1 : val;
7157
7158         rc = sysctl_handle_int(oidp, &t, 0, req);
7159         return (rc);
7160 }
7161
7162 static int
7163 sysctl_loadavg(SYSCTL_HANDLER_ARGS)
7164 {
7165         struct adapter *sc = arg1;
7166         struct sbuf *sb;
7167         int rc;
7168         uint32_t param, val;
7169
7170         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4lavg");
7171         if (rc)
7172                 return (rc);
7173         param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
7174             V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_LOAD);
7175         rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
7176         end_synchronized_op(sc, 0);
7177         if (rc)
7178                 return (rc);
7179
7180         rc = sysctl_wire_old_buffer(req, 0);
7181         if (rc != 0)
7182                 return (rc);
7183
7184         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
7185         if (sb == NULL)
7186                 return (ENOMEM);
7187
7188         if (val == 0xffffffff) {
7189                 /* Only debug and custom firmwares report load averages. */
7190                 sbuf_printf(sb, "not available");
7191         } else {
7192                 sbuf_printf(sb, "%d %d %d", val & 0xff, (val >> 8) & 0xff,
7193                     (val >> 16) & 0xff);
7194         }
7195         rc = sbuf_finish(sb);
7196         sbuf_delete(sb);
7197
7198         return (rc);
7199 }
7200
7201 static int
7202 sysctl_cctrl(SYSCTL_HANDLER_ARGS)
7203 {
7204         struct adapter *sc = arg1;
7205         struct sbuf *sb;
7206         int rc, i;
7207         uint16_t incr[NMTUS][NCCTRL_WIN];
7208         static const char *dec_fac[] = {
7209                 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
7210                 "0.9375"
7211         };
7212
7213         rc = sysctl_wire_old_buffer(req, 0);
7214         if (rc != 0)
7215                 return (rc);
7216
7217         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
7218         if (sb == NULL)
7219                 return (ENOMEM);
7220
7221         t4_read_cong_tbl(sc, incr);
7222
7223         for (i = 0; i < NCCTRL_WIN; ++i) {
7224                 sbuf_printf(sb, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
7225                     incr[0][i], incr[1][i], incr[2][i], incr[3][i], incr[4][i],
7226                     incr[5][i], incr[6][i], incr[7][i]);
7227                 sbuf_printf(sb, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
7228                     incr[8][i], incr[9][i], incr[10][i], incr[11][i],
7229                     incr[12][i], incr[13][i], incr[14][i], incr[15][i],
7230                     sc->params.a_wnd[i], dec_fac[sc->params.b_wnd[i]]);
7231         }
7232
7233         rc = sbuf_finish(sb);
7234         sbuf_delete(sb);
7235
7236         return (rc);
7237 }
7238
7239 static const char *qname[CIM_NUM_IBQ + CIM_NUM_OBQ_T5] = {
7240         "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",   /* ibq's */
7241         "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI", /* obq's */
7242         "SGE0-RX", "SGE1-RX"    /* additional obq's (T5 onwards) */
7243 };
7244
7245 static int
7246 sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS)
7247 {
7248         struct adapter *sc = arg1;
7249         struct sbuf *sb;
7250         int rc, i, n, qid = arg2;
7251         uint32_t *buf, *p;
7252         char *qtype;
7253         u_int cim_num_obq = sc->chip_params->cim_num_obq;
7254
7255         KASSERT(qid >= 0 && qid < CIM_NUM_IBQ + cim_num_obq,
7256             ("%s: bad qid %d\n", __func__, qid));
7257
7258         if (qid < CIM_NUM_IBQ) {
7259                 /* inbound queue */
7260                 qtype = "IBQ";
7261                 n = 4 * CIM_IBQ_SIZE;
7262                 buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK);
7263                 rc = t4_read_cim_ibq(sc, qid, buf, n);
7264         } else {
7265                 /* outbound queue */
7266                 qtype = "OBQ";
7267                 qid -= CIM_NUM_IBQ;
7268                 n = 4 * cim_num_obq * CIM_OBQ_SIZE;
7269                 buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK);
7270                 rc = t4_read_cim_obq(sc, qid, buf, n);
7271         }
7272
7273         if (rc < 0) {
7274                 rc = -rc;
7275                 goto done;
7276         }
7277         n = rc * sizeof(uint32_t);      /* rc has # of words actually read */
7278
7279         rc = sysctl_wire_old_buffer(req, 0);
7280         if (rc != 0)
7281                 goto done;
7282
7283         sb = sbuf_new_for_sysctl(NULL, NULL, PAGE_SIZE, req);
7284         if (sb == NULL) {
7285                 rc = ENOMEM;
7286                 goto done;
7287         }
7288
7289         sbuf_printf(sb, "%s%d %s", qtype , qid, qname[arg2]);
7290         for (i = 0, p = buf; i < n; i += 16, p += 4)
7291                 sbuf_printf(sb, "\n%#06x: %08x %08x %08x %08x", i, p[0], p[1],
7292                     p[2], p[3]);
7293
7294         rc = sbuf_finish(sb);
7295         sbuf_delete(sb);
7296 done:
7297         free(buf, M_CXGBE);
7298         return (rc);
7299 }
7300
7301 static void
7302 sbuf_cim_la4(struct adapter *sc, struct sbuf *sb, uint32_t *buf, uint32_t cfg)
7303 {
7304         uint32_t *p;
7305
7306         sbuf_printf(sb, "Status   Data      PC%s",
7307             cfg & F_UPDBGLACAPTPCONLY ? "" :
7308             "     LS0Stat  LS0Addr             LS0Data");
7309
7310         for (p = buf; p <= &buf[sc->params.cim_la_size - 8]; p += 8) {
7311                 if (cfg & F_UPDBGLACAPTPCONLY) {
7312                         sbuf_printf(sb, "\n  %02x   %08x %08x", p[5] & 0xff,
7313                             p[6], p[7]);
7314                         sbuf_printf(sb, "\n  %02x   %02x%06x %02x%06x",
7315                             (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
7316                             p[4] & 0xff, p[5] >> 8);
7317                         sbuf_printf(sb, "\n  %02x   %x%07x %x%07x",
7318                             (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
7319                             p[1] & 0xf, p[2] >> 4);
7320                 } else {
7321                         sbuf_printf(sb,
7322                             "\n  %02x   %x%07x %x%07x %08x %08x "
7323                             "%08x%08x%08x%08x",
7324                             (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
7325                             p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
7326                             p[6], p[7]);
7327                 }
7328         }
7329 }
7330
7331 static void
7332 sbuf_cim_la6(struct adapter *sc, struct sbuf *sb, uint32_t *buf, uint32_t cfg)
7333 {
7334         uint32_t *p;
7335
7336         sbuf_printf(sb, "Status   Inst    Data      PC%s",
7337             cfg & F_UPDBGLACAPTPCONLY ? "" :
7338             "     LS0Stat  LS0Addr  LS0Data  LS1Stat  LS1Addr  LS1Data");
7339
7340         for (p = buf; p <= &buf[sc->params.cim_la_size - 10]; p += 10) {
7341                 if (cfg & F_UPDBGLACAPTPCONLY) {
7342                         sbuf_printf(sb, "\n  %02x   %08x %08x %08x",
7343                             p[3] & 0xff, p[2], p[1], p[0]);
7344                         sbuf_printf(sb, "\n  %02x   %02x%06x %02x%06x %02x%06x",
7345                             (p[6] >> 8) & 0xff, p[6] & 0xff, p[5] >> 8,
7346                             p[5] & 0xff, p[4] >> 8, p[4] & 0xff, p[3] >> 8);
7347                         sbuf_printf(sb, "\n  %02x   %04x%04x %04x%04x %04x%04x",
7348                             (p[9] >> 16) & 0xff, p[9] & 0xffff, p[8] >> 16,
7349                             p[8] & 0xffff, p[7] >> 16, p[7] & 0xffff,
7350                             p[6] >> 16);
7351                 } else {
7352                         sbuf_printf(sb, "\n  %02x   %04x%04x %04x%04x %04x%04x "
7353                             "%08x %08x %08x %08x %08x %08x",
7354                             (p[9] >> 16) & 0xff,
7355                             p[9] & 0xffff, p[8] >> 16,
7356                             p[8] & 0xffff, p[7] >> 16,
7357                             p[7] & 0xffff, p[6] >> 16,
7358                             p[2], p[1], p[0], p[5], p[4], p[3]);
7359                 }
7360         }
7361 }
7362
7363 static int
7364 sbuf_cim_la(struct adapter *sc, struct sbuf *sb, int flags)
7365 {
7366         uint32_t cfg, *buf;
7367         int rc;
7368
7369         rc = -t4_cim_read(sc, A_UP_UP_DBG_LA_CFG, 1, &cfg);
7370         if (rc != 0)
7371                 return (rc);
7372
7373         MPASS(flags == M_WAITOK || flags == M_NOWAIT);
7374         buf = malloc(sc->params.cim_la_size * sizeof(uint32_t), M_CXGBE,
7375             M_ZERO | flags);
7376         if (buf == NULL)
7377                 return (ENOMEM);
7378
7379         rc = -t4_cim_read_la(sc, buf, NULL);
7380         if (rc != 0)
7381                 goto done;
7382         if (chip_id(sc) < CHELSIO_T6)
7383                 sbuf_cim_la4(sc, sb, buf, cfg);
7384         else
7385                 sbuf_cim_la6(sc, sb, buf, cfg);
7386
7387 done:
7388         free(buf, M_CXGBE);
7389         return (rc);
7390 }
7391
7392 static int
7393 sysctl_cim_la(SYSCTL_HANDLER_ARGS)
7394 {
7395         struct adapter *sc = arg1;
7396         struct sbuf *sb;
7397         int rc;
7398
7399         rc = sysctl_wire_old_buffer(req, 0);
7400         if (rc != 0)
7401                 return (rc);
7402         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
7403         if (sb == NULL)
7404                 return (ENOMEM);
7405
7406         rc = sbuf_cim_la(sc, sb, M_WAITOK);
7407         if (rc == 0)
7408                 rc = sbuf_finish(sb);
7409         sbuf_delete(sb);
7410         return (rc);
7411 }
7412
7413 bool
7414 t4_os_dump_cimla(struct adapter *sc, int arg, bool verbose)
7415 {
7416         struct sbuf sb;
7417         int rc;
7418
7419         if (sbuf_new(&sb, NULL, 4096, SBUF_AUTOEXTEND) != &sb)
7420                 return (false);
7421         rc = sbuf_cim_la(sc, &sb, M_NOWAIT);
7422         if (rc == 0) {
7423                 rc = sbuf_finish(&sb);
7424                 if (rc == 0) {
7425                         log(LOG_DEBUG, "%s: CIM LA dump follows.\n%s",
7426                                 device_get_nameunit(sc->dev), sbuf_data(&sb));
7427                 }
7428         }
7429         sbuf_delete(&sb);
7430         return (false);
7431 }
7432
7433 static int
7434 sysctl_cim_ma_la(SYSCTL_HANDLER_ARGS)
7435 {
7436         struct adapter *sc = arg1;
7437         u_int i;
7438         struct sbuf *sb;
7439         uint32_t *buf, *p;
7440         int rc;
7441
7442         rc = sysctl_wire_old_buffer(req, 0);
7443         if (rc != 0)
7444                 return (rc);
7445
7446         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
7447         if (sb == NULL)
7448                 return (ENOMEM);
7449
7450         buf = malloc(2 * CIM_MALA_SIZE * 5 * sizeof(uint32_t), M_CXGBE,
7451             M_ZERO | M_WAITOK);
7452
7453         t4_cim_read_ma_la(sc, buf, buf + 5 * CIM_MALA_SIZE);
7454         p = buf;
7455
7456         for (i = 0; i < CIM_MALA_SIZE; i++, p += 5) {
7457                 sbuf_printf(sb, "\n%02x%08x%08x%08x%08x", p[4], p[3], p[2],
7458                     p[1], p[0]);
7459         }
7460
7461         sbuf_printf(sb, "\n\nCnt ID Tag UE       Data       RDY VLD");
7462         for (i = 0; i < CIM_MALA_SIZE; i++, p += 5) {
7463                 sbuf_printf(sb, "\n%3u %2u  %x   %u %08x%08x  %u   %u",
7464                     (p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
7465                     (p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
7466                     (p[1] >> 2) | ((p[2] & 3) << 30),
7467                     (p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
7468                     p[0] & 1);
7469         }
7470
7471         rc = sbuf_finish(sb);
7472         sbuf_delete(sb);
7473         free(buf, M_CXGBE);
7474         return (rc);
7475 }
7476
7477 static int
7478 sysctl_cim_pif_la(SYSCTL_HANDLER_ARGS)
7479 {
7480         struct adapter *sc = arg1;
7481         u_int i;
7482         struct sbuf *sb;
7483         uint32_t *buf, *p;
7484         int rc;
7485
7486         rc = sysctl_wire_old_buffer(req, 0);
7487         if (rc != 0)
7488                 return (rc);
7489
7490         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
7491         if (sb == NULL)
7492                 return (ENOMEM);
7493
7494         buf = malloc(2 * CIM_PIFLA_SIZE * 6 * sizeof(uint32_t), M_CXGBE,
7495             M_ZERO | M_WAITOK);
7496
7497         t4_cim_read_pif_la(sc, buf, buf + 6 * CIM_PIFLA_SIZE, NULL, NULL);
7498         p = buf;
7499
7500         sbuf_printf(sb, "Cntl ID DataBE   Addr                 Data");
7501         for (i = 0; i < CIM_PIFLA_SIZE; i++, p += 6) {
7502                 sbuf_printf(sb, "\n %02x  %02x  %04x  %08x %08x%08x%08x%08x",
7503                     (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f, p[5] & 0xffff,
7504                     p[4], p[3], p[2], p[1], p[0]);
7505         }
7506
7507         sbuf_printf(sb, "\n\nCntl ID               Data");
7508         for (i = 0; i < CIM_PIFLA_SIZE; i++, p += 6) {
7509                 sbuf_printf(sb, "\n %02x  %02x %08x%08x%08x%08x",
7510                     (p[4] >> 6) & 0xff, p[4] & 0x3f, p[3], p[2], p[1], p[0]);
7511         }
7512
7513         rc = sbuf_finish(sb);
7514         sbuf_delete(sb);
7515         free(buf, M_CXGBE);
7516         return (rc);
7517 }
7518
7519 static int
7520 sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS)
7521 {
7522         struct adapter *sc = arg1;
7523         struct sbuf *sb;
7524         int rc, i;
7525         uint16_t base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
7526         uint16_t size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
7527         uint16_t thres[CIM_NUM_IBQ];
7528         uint32_t obq_wr[2 * CIM_NUM_OBQ_T5], *wr = obq_wr;
7529         uint32_t stat[4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5)], *p = stat;
7530         u_int cim_num_obq, ibq_rdaddr, obq_rdaddr, nq;
7531
7532         cim_num_obq = sc->chip_params->cim_num_obq;
7533         if (is_t4(sc)) {
7534                 ibq_rdaddr = A_UP_IBQ_0_RDADDR;
7535                 obq_rdaddr = A_UP_OBQ_0_REALADDR;
7536         } else {
7537                 ibq_rdaddr = A_UP_IBQ_0_SHADOW_RDADDR;
7538                 obq_rdaddr = A_UP_OBQ_0_SHADOW_REALADDR;
7539         }
7540         nq = CIM_NUM_IBQ + cim_num_obq;
7541
7542         rc = -t4_cim_read(sc, ibq_rdaddr, 4 * nq, stat);
7543         if (rc == 0)
7544                 rc = -t4_cim_read(sc, obq_rdaddr, 2 * cim_num_obq, obq_wr);
7545         if (rc != 0)
7546                 return (rc);
7547
7548         t4_read_cimq_cfg(sc, base, size, thres);
7549
7550         rc = sysctl_wire_old_buffer(req, 0);
7551         if (rc != 0)
7552                 return (rc);
7553
7554         sb = sbuf_new_for_sysctl(NULL, NULL, PAGE_SIZE, req);
7555         if (sb == NULL)
7556                 return (ENOMEM);
7557
7558         sbuf_printf(sb,
7559             "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail");
7560
7561         for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
7562                 sbuf_printf(sb, "\n%7s %5x %5u %5u %6x  %4x %4u %4u %5u",
7563                     qname[i], base[i], size[i], thres[i], G_IBQRDADDR(p[0]),
7564                     G_IBQWRADDR(p[1]), G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]),
7565                     G_QUEREMFLITS(p[2]) * 16);
7566         for ( ; i < nq; i++, p += 4, wr += 2)
7567                 sbuf_printf(sb, "\n%7s %5x %5u %12x  %4x %4u %4u %5u", qname[i],
7568                     base[i], size[i], G_QUERDADDR(p[0]) & 0x3fff,
7569                     wr[0] - base[i], G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]),
7570                     G_QUEREMFLITS(p[2]) * 16);
7571
7572         rc = sbuf_finish(sb);
7573         sbuf_delete(sb);
7574
7575         return (rc);
7576 }
7577
7578 static int
7579 sysctl_cpl_stats(SYSCTL_HANDLER_ARGS)
7580 {
7581         struct adapter *sc = arg1;
7582         struct sbuf *sb;
7583         int rc;
7584         struct tp_cpl_stats stats;
7585
7586         rc = sysctl_wire_old_buffer(req, 0);
7587         if (rc != 0)
7588                 return (rc);
7589
7590         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
7591         if (sb == NULL)
7592                 return (ENOMEM);
7593
7594         mtx_lock(&sc->reg_lock);
7595         t4_tp_get_cpl_stats(sc, &stats, 0);
7596         mtx_unlock(&sc->reg_lock);
7597
7598         if (sc->chip_params->nchan > 2) {
7599                 sbuf_printf(sb, "                 channel 0  channel 1"
7600                     "  channel 2  channel 3");
7601                 sbuf_printf(sb, "\nCPL requests:   %10u %10u %10u %10u",
7602                     stats.req[0], stats.req[1], stats.req[2], stats.req[3]);
7603                 sbuf_printf(sb, "\nCPL responses:   %10u %10u %10u %10u",
7604                     stats.rsp[0], stats.rsp[1], stats.rsp[2], stats.rsp[3]);
7605         } else {
7606                 sbuf_printf(sb, "                 channel 0  channel 1");
7607                 sbuf_printf(sb, "\nCPL requests:   %10u %10u",
7608                     stats.req[0], stats.req[1]);
7609                 sbuf_printf(sb, "\nCPL responses:   %10u %10u",
7610                     stats.rsp[0], stats.rsp[1]);
7611         }
7612
7613         rc = sbuf_finish(sb);
7614         sbuf_delete(sb);
7615
7616         return (rc);
7617 }
7618
7619 static int
7620 sysctl_ddp_stats(SYSCTL_HANDLER_ARGS)
7621 {
7622         struct adapter *sc = arg1;
7623         struct sbuf *sb;
7624         int rc;
7625         struct tp_usm_stats stats;
7626
7627         rc = sysctl_wire_old_buffer(req, 0);
7628         if (rc != 0)
7629                 return(rc);
7630
7631         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
7632         if (sb == NULL)
7633                 return (ENOMEM);
7634
7635         t4_get_usm_stats(sc, &stats, 1);
7636
7637         sbuf_printf(sb, "Frames: %u\n", stats.frames);
7638         sbuf_printf(sb, "Octets: %ju\n", stats.octets);
7639         sbuf_printf(sb, "Drops:  %u", stats.drops);
7640
7641         rc = sbuf_finish(sb);
7642         sbuf_delete(sb);
7643
7644         return (rc);
7645 }
7646
7647 static const char * const devlog_level_strings[] = {
7648         [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
7649         [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
7650         [FW_DEVLOG_LEVEL_ERR]           = "ERR",
7651         [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
7652         [FW_DEVLOG_LEVEL_INFO]          = "INFO",
7653         [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
7654 };
7655
7656 static const char * const devlog_facility_strings[] = {
7657         [FW_DEVLOG_FACILITY_CORE]       = "CORE",
7658         [FW_DEVLOG_FACILITY_CF]         = "CF",
7659         [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
7660         [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
7661         [FW_DEVLOG_FACILITY_RES]        = "RES",
7662         [FW_DEVLOG_FACILITY_HW]         = "HW",
7663         [FW_DEVLOG_FACILITY_FLR]        = "FLR",
7664         [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
7665         [FW_DEVLOG_FACILITY_PHY]        = "PHY",
7666         [FW_DEVLOG_FACILITY_MAC]        = "MAC",
7667         [FW_DEVLOG_FACILITY_PORT]       = "PORT",
7668         [FW_DEVLOG_FACILITY_VI]         = "VI",
7669         [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
7670         [FW_DEVLOG_FACILITY_ACL]        = "ACL",
7671         [FW_DEVLOG_FACILITY_TM]         = "TM",
7672         [FW_DEVLOG_FACILITY_QFC]        = "QFC",
7673         [FW_DEVLOG_FACILITY_DCB]        = "DCB",
7674         [FW_DEVLOG_FACILITY_ETH]        = "ETH",
7675         [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
7676         [FW_DEVLOG_FACILITY_RI]         = "RI",
7677         [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
7678         [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
7679         [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
7680         [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE",
7681         [FW_DEVLOG_FACILITY_CHNET]      = "CHNET",
7682 };
7683
7684 static int
7685 sbuf_devlog(struct adapter *sc, struct sbuf *sb, int flags)
7686 {
7687         int i, j, rc, nentries, first = 0;
7688         struct devlog_params *dparams = &sc->params.devlog;
7689         struct fw_devlog_e *buf, *e;
7690         uint64_t ftstamp = UINT64_MAX;
7691
7692         if (dparams->addr == 0)
7693                 return (ENXIO);
7694
7695         MPASS(flags == M_WAITOK || flags == M_NOWAIT);
7696         buf = malloc(dparams->size, M_CXGBE, M_ZERO | flags);
7697         if (buf == NULL)
7698                 return (ENOMEM);
7699
7700         rc = read_via_memwin(sc, 1, dparams->addr, (void *)buf, dparams->size);
7701         if (rc != 0)
7702                 goto done;
7703
7704         nentries = dparams->size / sizeof(struct fw_devlog_e);
7705         for (i = 0; i < nentries; i++) {
7706                 e = &buf[i];
7707
7708                 if (e->timestamp == 0)
7709                         break;  /* end */
7710
7711                 e->timestamp = be64toh(e->timestamp);
7712                 e->seqno = be32toh(e->seqno);
7713                 for (j = 0; j < 8; j++)
7714                         e->params[j] = be32toh(e->params[j]);
7715
7716                 if (e->timestamp < ftstamp) {
7717                         ftstamp = e->timestamp;
7718                         first = i;
7719                 }
7720         }
7721
7722         if (buf[first].timestamp == 0)
7723                 goto done;      /* nothing in the log */
7724
7725         sbuf_printf(sb, "%10s  %15s  %8s  %8s  %s\n",
7726             "Seq#", "Tstamp", "Level", "Facility", "Message");
7727
7728         i = first;
7729         do {
7730                 e = &buf[i];
7731                 if (e->timestamp == 0)
7732                         break;  /* end */
7733
7734                 sbuf_printf(sb, "%10d  %15ju  %8s  %8s  ",
7735                     e->seqno, e->timestamp,
7736                     (e->level < nitems(devlog_level_strings) ?
7737                         devlog_level_strings[e->level] : "UNKNOWN"),
7738                     (e->facility < nitems(devlog_facility_strings) ?
7739                         devlog_facility_strings[e->facility] : "UNKNOWN"));
7740                 sbuf_printf(sb, e->fmt, e->params[0], e->params[1],
7741                     e->params[2], e->params[3], e->params[4],
7742                     e->params[5], e->params[6], e->params[7]);
7743
7744                 if (++i == nentries)
7745                         i = 0;
7746         } while (i != first);
7747 done:
7748         free(buf, M_CXGBE);
7749         return (rc);
7750 }
7751
7752 static int
7753 sysctl_devlog(SYSCTL_HANDLER_ARGS)
7754 {
7755         struct adapter *sc = arg1;
7756         int rc;
7757         struct sbuf *sb;
7758
7759         rc = sysctl_wire_old_buffer(req, 0);
7760         if (rc != 0)
7761                 return (rc);
7762         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
7763         if (sb == NULL)
7764                 return (ENOMEM);
7765
7766         rc = sbuf_devlog(sc, sb, M_WAITOK);
7767         if (rc == 0)
7768                 rc = sbuf_finish(sb);
7769         sbuf_delete(sb);
7770         return (rc);
7771 }
7772
7773 void
7774 t4_os_dump_devlog(struct adapter *sc)
7775 {
7776         int rc;
7777         struct sbuf sb;
7778
7779         if (sbuf_new(&sb, NULL, 4096, SBUF_AUTOEXTEND) != &sb)
7780                 return;
7781         rc = sbuf_devlog(sc, &sb, M_NOWAIT);
7782         if (rc == 0) {
7783                 rc = sbuf_finish(&sb);
7784                 if (rc == 0) {
7785                         log(LOG_DEBUG, "%s: device log follows.\n%s",
7786                                 device_get_nameunit(sc->dev), sbuf_data(&sb));
7787                 }
7788         }
7789         sbuf_delete(&sb);
7790 }
7791
7792 static int
7793 sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS)
7794 {
7795         struct adapter *sc = arg1;
7796         struct sbuf *sb;
7797         int rc;
7798         struct tp_fcoe_stats stats[MAX_NCHAN];
7799         int i, nchan = sc->chip_params->nchan;
7800
7801         rc = sysctl_wire_old_buffer(req, 0);
7802         if (rc != 0)
7803                 return (rc);
7804
7805         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
7806         if (sb == NULL)
7807                 return (ENOMEM);
7808
7809         for (i = 0; i < nchan; i++)
7810                 t4_get_fcoe_stats(sc, i, &stats[i], 1);
7811
7812         if (nchan > 2) {
7813                 sbuf_printf(sb, "                   channel 0        channel 1"
7814                     "        channel 2        channel 3");
7815                 sbuf_printf(sb, "\noctetsDDP:  %16ju %16ju %16ju %16ju",
7816                     stats[0].octets_ddp, stats[1].octets_ddp,
7817                     stats[2].octets_ddp, stats[3].octets_ddp);
7818                 sbuf_printf(sb, "\nframesDDP:  %16u %16u %16u %16u",
7819                     stats[0].frames_ddp, stats[1].frames_ddp,
7820                     stats[2].frames_ddp, stats[3].frames_ddp);
7821                 sbuf_printf(sb, "\nframesDrop: %16u %16u %16u %16u",
7822                     stats[0].frames_drop, stats[1].frames_drop,
7823                     stats[2].frames_drop, stats[3].frames_drop);
7824         } else {
7825                 sbuf_printf(sb, "                   channel 0        channel 1");
7826                 sbuf_printf(sb, "\noctetsDDP:  %16ju %16ju",
7827                     stats[0].octets_ddp, stats[1].octets_ddp);
7828                 sbuf_printf(sb, "\nframesDDP:  %16u %16u",
7829                     stats[0].frames_ddp, stats[1].frames_ddp);
7830                 sbuf_printf(sb, "\nframesDrop: %16u %16u",
7831                     stats[0].frames_drop, stats[1].frames_drop);
7832         }
7833
7834         rc = sbuf_finish(sb);
7835         sbuf_delete(sb);
7836
7837         return (rc);
7838 }
7839
7840 static int
7841 sysctl_hw_sched(SYSCTL_HANDLER_ARGS)
7842 {
7843         struct adapter *sc = arg1;
7844         struct sbuf *sb;
7845         int rc, i;
7846         unsigned int map, kbps, ipg, mode;
7847         unsigned int pace_tab[NTX_SCHED];
7848
7849         rc = sysctl_wire_old_buffer(req, 0);
7850         if (rc != 0)
7851                 return (rc);
7852
7853         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
7854         if (sb == NULL)
7855                 return (ENOMEM);
7856
7857         map = t4_read_reg(sc, A_TP_TX_MOD_QUEUE_REQ_MAP);
7858         mode = G_TIMERMODE(t4_read_reg(sc, A_TP_MOD_CONFIG));
7859         t4_read_pace_tbl(sc, pace_tab);
7860
7861         sbuf_printf(sb, "Scheduler  Mode   Channel  Rate (Kbps)   "
7862             "Class IPG (0.1 ns)   Flow IPG (us)");
7863
7864         for (i = 0; i < NTX_SCHED; ++i, map >>= 2) {
7865                 t4_get_tx_sched(sc, i, &kbps, &ipg, 1);
7866                 sbuf_printf(sb, "\n    %u      %-5s     %u     ", i,
7867                     (mode & (1 << i)) ? "flow" : "class", map & 3);
7868                 if (kbps)
7869                         sbuf_printf(sb, "%9u     ", kbps);
7870                 else
7871                         sbuf_printf(sb, " disabled     ");
7872
7873                 if (ipg)
7874                         sbuf_printf(sb, "%13u        ", ipg);
7875                 else
7876                         sbuf_printf(sb, "     disabled        ");
7877
7878                 if (pace_tab[i])
7879                         sbuf_printf(sb, "%10u", pace_tab[i]);
7880                 else
7881                         sbuf_printf(sb, "  disabled");
7882         }
7883
7884         rc = sbuf_finish(sb);
7885         sbuf_delete(sb);
7886
7887         return (rc);
7888 }
7889
7890 static int
7891 sysctl_lb_stats(SYSCTL_HANDLER_ARGS)
7892 {
7893         struct adapter *sc = arg1;
7894         struct sbuf *sb;
7895         int rc, i, j;
7896         uint64_t *p0, *p1;
7897         struct lb_port_stats s[2];
7898         static const char *stat_name[] = {
7899                 "OctetsOK:", "FramesOK:", "BcastFrames:", "McastFrames:",
7900                 "UcastFrames:", "ErrorFrames:", "Frames64:", "Frames65To127:",
7901                 "Frames128To255:", "Frames256To511:", "Frames512To1023:",
7902                 "Frames1024To1518:", "Frames1519ToMax:", "FramesDropped:",
7903                 "BG0FramesDropped:", "BG1FramesDropped:", "BG2FramesDropped:",
7904                 "BG3FramesDropped:", "BG0FramesTrunc:", "BG1FramesTrunc:",
7905                 "BG2FramesTrunc:", "BG3FramesTrunc:"
7906         };
7907
7908         rc = sysctl_wire_old_buffer(req, 0);
7909         if (rc != 0)
7910                 return (rc);
7911
7912         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
7913         if (sb == NULL)
7914                 return (ENOMEM);
7915
7916         memset(s, 0, sizeof(s));
7917
7918         for (i = 0; i < sc->chip_params->nchan; i += 2) {
7919                 t4_get_lb_stats(sc, i, &s[0]);
7920                 t4_get_lb_stats(sc, i + 1, &s[1]);
7921
7922                 p0 = &s[0].octets;
7923                 p1 = &s[1].octets;
7924                 sbuf_printf(sb, "%s                       Loopback %u"
7925                     "           Loopback %u", i == 0 ? "" : "\n", i, i + 1);
7926
7927                 for (j = 0; j < nitems(stat_name); j++)
7928                         sbuf_printf(sb, "\n%-17s %20ju %20ju", stat_name[j],
7929                                    *p0++, *p1++);
7930         }
7931
7932         rc = sbuf_finish(sb);
7933         sbuf_delete(sb);
7934
7935         return (rc);
7936 }
7937
7938 static int
7939 sysctl_linkdnrc(SYSCTL_HANDLER_ARGS)
7940 {
7941         int rc = 0;
7942         struct port_info *pi = arg1;
7943         struct link_config *lc = &pi->link_cfg;
7944         struct sbuf *sb;
7945
7946         rc = sysctl_wire_old_buffer(req, 0);
7947         if (rc != 0)
7948                 return(rc);
7949         sb = sbuf_new_for_sysctl(NULL, NULL, 64, req);
7950         if (sb == NULL)
7951                 return (ENOMEM);
7952
7953         if (lc->link_ok || lc->link_down_rc == 255)
7954                 sbuf_printf(sb, "n/a");
7955         else
7956                 sbuf_printf(sb, "%s", t4_link_down_rc_str(lc->link_down_rc));
7957
7958         rc = sbuf_finish(sb);
7959         sbuf_delete(sb);
7960
7961         return (rc);
7962 }
7963
7964 struct mem_desc {
7965         unsigned int base;
7966         unsigned int limit;
7967         unsigned int idx;
7968 };
7969
7970 static int
7971 mem_desc_cmp(const void *a, const void *b)
7972 {
7973         return ((const struct mem_desc *)a)->base -
7974                ((const struct mem_desc *)b)->base;
7975 }
7976
7977 static void
7978 mem_region_show(struct sbuf *sb, const char *name, unsigned int from,
7979     unsigned int to)
7980 {
7981         unsigned int size;
7982
7983         if (from == to)
7984                 return;
7985
7986         size = to - from + 1;
7987         if (size == 0)
7988                 return;
7989
7990         /* XXX: need humanize_number(3) in libkern for a more readable 'size' */
7991         sbuf_printf(sb, "%-15s %#x-%#x [%u]\n", name, from, to, size);
7992 }
7993
7994 static int
7995 sysctl_meminfo(SYSCTL_HANDLER_ARGS)
7996 {
7997         struct adapter *sc = arg1;
7998         struct sbuf *sb;
7999         int rc, i, n;
8000         uint32_t lo, hi, used, alloc;
8001         static const char *memory[] = {"EDC0:", "EDC1:", "MC:", "MC0:", "MC1:"};
8002         static const char *region[] = {
8003                 "DBQ contexts:", "IMSG contexts:", "FLM cache:", "TCBs:",
8004                 "Pstructs:", "Timers:", "Rx FL:", "Tx FL:", "Pstruct FL:",
8005                 "Tx payload:", "Rx payload:", "LE hash:", "iSCSI region:",
8006                 "TDDP region:", "TPT region:", "STAG region:", "RQ region:",
8007                 "RQUDP region:", "PBL region:", "TXPBL region:",
8008                 "DBVFIFO region:", "ULPRX state:", "ULPTX state:",
8009                 "On-chip queues:", "TLS keys:",
8010         };
8011         struct mem_desc avail[4];
8012         struct mem_desc mem[nitems(region) + 3];        /* up to 3 holes */
8013         struct mem_desc *md = mem;
8014
8015         rc = sysctl_wire_old_buffer(req, 0);
8016         if (rc != 0)
8017                 return (rc);
8018
8019         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
8020         if (sb == NULL)
8021                 return (ENOMEM);
8022
8023         for (i = 0; i < nitems(mem); i++) {
8024                 mem[i].limit = 0;
8025                 mem[i].idx = i;
8026         }
8027
8028         /* Find and sort the populated memory ranges */
8029         i = 0;
8030         lo = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
8031         if (lo & F_EDRAM0_ENABLE) {
8032                 hi = t4_read_reg(sc, A_MA_EDRAM0_BAR);
8033                 avail[i].base = G_EDRAM0_BASE(hi) << 20;
8034                 avail[i].limit = avail[i].base + (G_EDRAM0_SIZE(hi) << 20);
8035                 avail[i].idx = 0;
8036                 i++;
8037         }
8038         if (lo & F_EDRAM1_ENABLE) {
8039                 hi = t4_read_reg(sc, A_MA_EDRAM1_BAR);
8040                 avail[i].base = G_EDRAM1_BASE(hi) << 20;
8041                 avail[i].limit = avail[i].base + (G_EDRAM1_SIZE(hi) << 20);
8042                 avail[i].idx = 1;
8043                 i++;
8044         }
8045         if (lo & F_EXT_MEM_ENABLE) {
8046                 hi = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
8047                 avail[i].base = G_EXT_MEM_BASE(hi) << 20;
8048                 avail[i].limit = avail[i].base +
8049                     (G_EXT_MEM_SIZE(hi) << 20);
8050                 avail[i].idx = is_t5(sc) ? 3 : 2;       /* Call it MC0 for T5 */
8051                 i++;
8052         }
8053         if (is_t5(sc) && lo & F_EXT_MEM1_ENABLE) {
8054                 hi = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR);
8055                 avail[i].base = G_EXT_MEM1_BASE(hi) << 20;
8056                 avail[i].limit = avail[i].base +
8057                     (G_EXT_MEM1_SIZE(hi) << 20);
8058                 avail[i].idx = 4;
8059                 i++;
8060         }
8061         if (!i)                                    /* no memory available */
8062                 return 0;
8063         qsort(avail, i, sizeof(struct mem_desc), mem_desc_cmp);
8064
8065         (md++)->base = t4_read_reg(sc, A_SGE_DBQ_CTXT_BADDR);
8066         (md++)->base = t4_read_reg(sc, A_SGE_IMSG_CTXT_BADDR);
8067         (md++)->base = t4_read_reg(sc, A_SGE_FLM_CACHE_BADDR);
8068         (md++)->base = t4_read_reg(sc, A_TP_CMM_TCB_BASE);
8069         (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_BASE);
8070         (md++)->base = t4_read_reg(sc, A_TP_CMM_TIMER_BASE);
8071         (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_RX_FLST_BASE);
8072         (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_TX_FLST_BASE);
8073         (md++)->base = t4_read_reg(sc, A_TP_CMM_MM_PS_FLST_BASE);
8074
8075         /* the next few have explicit upper bounds */
8076         md->base = t4_read_reg(sc, A_TP_PMM_TX_BASE);
8077         md->limit = md->base - 1 +
8078                     t4_read_reg(sc, A_TP_PMM_TX_PAGE_SIZE) *
8079                     G_PMTXMAXPAGE(t4_read_reg(sc, A_TP_PMM_TX_MAX_PAGE));
8080         md++;
8081
8082         md->base = t4_read_reg(sc, A_TP_PMM_RX_BASE);
8083         md->limit = md->base - 1 +
8084                     t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) *
8085                     G_PMRXMAXPAGE(t4_read_reg(sc, A_TP_PMM_RX_MAX_PAGE));
8086         md++;
8087
8088         if (t4_read_reg(sc, A_LE_DB_CONFIG) & F_HASHEN) {
8089                 if (chip_id(sc) <= CHELSIO_T5)
8090                         md->base = t4_read_reg(sc, A_LE_DB_HASH_TID_BASE);
8091                 else
8092                         md->base = t4_read_reg(sc, A_LE_DB_HASH_TBL_BASE_ADDR);
8093                 md->limit = 0;
8094         } else {
8095                 md->base = 0;
8096                 md->idx = nitems(region);  /* hide it */
8097         }
8098         md++;
8099
8100 #define ulp_region(reg) \
8101         md->base = t4_read_reg(sc, A_ULP_ ## reg ## _LLIMIT);\
8102         (md++)->limit = t4_read_reg(sc, A_ULP_ ## reg ## _ULIMIT)
8103
8104         ulp_region(RX_ISCSI);
8105         ulp_region(RX_TDDP);
8106         ulp_region(TX_TPT);
8107         ulp_region(RX_STAG);
8108         ulp_region(RX_RQ);
8109         ulp_region(RX_RQUDP);
8110         ulp_region(RX_PBL);
8111         ulp_region(TX_PBL);
8112 #undef ulp_region
8113
8114         md->base = 0;
8115         md->idx = nitems(region);
8116         if (!is_t4(sc)) {
8117                 uint32_t size = 0;
8118                 uint32_t sge_ctrl = t4_read_reg(sc, A_SGE_CONTROL2);
8119                 uint32_t fifo_size = t4_read_reg(sc, A_SGE_DBVFIFO_SIZE);
8120
8121                 if (is_t5(sc)) {
8122                         if (sge_ctrl & F_VFIFO_ENABLE)
8123                                 size = G_DBVFIFO_SIZE(fifo_size);
8124                 } else
8125                         size = G_T6_DBVFIFO_SIZE(fifo_size);
8126
8127                 if (size) {
8128                         md->base = G_BASEADDR(t4_read_reg(sc,
8129                             A_SGE_DBVFIFO_BADDR));
8130                         md->limit = md->base + (size << 2) - 1;
8131                 }
8132         }
8133         md++;
8134
8135         md->base = t4_read_reg(sc, A_ULP_RX_CTX_BASE);
8136         md->limit = 0;
8137         md++;
8138         md->base = t4_read_reg(sc, A_ULP_TX_ERR_TABLE_BASE);
8139         md->limit = 0;
8140         md++;
8141
8142         md->base = sc->vres.ocq.start;
8143         if (sc->vres.ocq.size)
8144                 md->limit = md->base + sc->vres.ocq.size - 1;
8145         else
8146                 md->idx = nitems(region);  /* hide it */
8147         md++;
8148
8149         md->base = sc->vres.key.start;
8150         if (sc->vres.key.size)
8151                 md->limit = md->base + sc->vres.key.size - 1;
8152         else
8153                 md->idx = nitems(region);  /* hide it */
8154         md++;
8155
8156         /* add any address-space holes, there can be up to 3 */
8157         for (n = 0; n < i - 1; n++)
8158                 if (avail[n].limit < avail[n + 1].base)
8159                         (md++)->base = avail[n].limit;
8160         if (avail[n].limit)
8161                 (md++)->base = avail[n].limit;
8162
8163         n = md - mem;
8164         qsort(mem, n, sizeof(struct mem_desc), mem_desc_cmp);
8165
8166         for (lo = 0; lo < i; lo++)
8167                 mem_region_show(sb, memory[avail[lo].idx], avail[lo].base,
8168                                 avail[lo].limit - 1);
8169
8170         sbuf_printf(sb, "\n");
8171         for (i = 0; i < n; i++) {
8172                 if (mem[i].idx >= nitems(region))
8173                         continue;                        /* skip holes */
8174                 if (!mem[i].limit)
8175                         mem[i].limit = i < n - 1 ? mem[i + 1].base - 1 : ~0;
8176                 mem_region_show(sb, region[mem[i].idx], mem[i].base,
8177                                 mem[i].limit);
8178         }
8179
8180         sbuf_printf(sb, "\n");
8181         lo = t4_read_reg(sc, A_CIM_SDRAM_BASE_ADDR);
8182         hi = t4_read_reg(sc, A_CIM_SDRAM_ADDR_SIZE) + lo - 1;
8183         mem_region_show(sb, "uP RAM:", lo, hi);
8184
8185         lo = t4_read_reg(sc, A_CIM_EXTMEM2_BASE_ADDR);
8186         hi = t4_read_reg(sc, A_CIM_EXTMEM2_ADDR_SIZE) + lo - 1;
8187         mem_region_show(sb, "uP Extmem2:", lo, hi);
8188
8189         lo = t4_read_reg(sc, A_TP_PMM_RX_MAX_PAGE);
8190         sbuf_printf(sb, "\n%u Rx pages of size %uKiB for %u channels\n",
8191                    G_PMRXMAXPAGE(lo),
8192                    t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) >> 10,
8193                    (lo & F_PMRXNUMCHN) ? 2 : 1);
8194
8195         lo = t4_read_reg(sc, A_TP_PMM_TX_MAX_PAGE);
8196         hi = t4_read_reg(sc, A_TP_PMM_TX_PAGE_SIZE);
8197         sbuf_printf(sb, "%u Tx pages of size %u%ciB for %u channels\n",
8198                    G_PMTXMAXPAGE(lo),
8199                    hi >= (1 << 20) ? (hi >> 20) : (hi >> 10),
8200                    hi >= (1 << 20) ? 'M' : 'K', 1 << G_PMTXNUMCHN(lo));
8201         sbuf_printf(sb, "%u p-structs\n",
8202                    t4_read_reg(sc, A_TP_CMM_MM_MAX_PSTRUCT));
8203
8204         for (i = 0; i < 4; i++) {
8205                 if (chip_id(sc) > CHELSIO_T5)
8206                         lo = t4_read_reg(sc, A_MPS_RX_MAC_BG_PG_CNT0 + i * 4);
8207                 else
8208                         lo = t4_read_reg(sc, A_MPS_RX_PG_RSV0 + i * 4);
8209                 if (is_t5(sc)) {
8210                         used = G_T5_USED(lo);
8211                         alloc = G_T5_ALLOC(lo);
8212                 } else {
8213                         used = G_USED(lo);
8214                         alloc = G_ALLOC(lo);
8215                 }
8216                 /* For T6 these are MAC buffer groups */
8217                 sbuf_printf(sb, "\nPort %d using %u pages out of %u allocated",
8218                     i, used, alloc);
8219         }
8220         for (i = 0; i < sc->chip_params->nchan; i++) {
8221                 if (chip_id(sc) > CHELSIO_T5)
8222                         lo = t4_read_reg(sc, A_MPS_RX_LPBK_BG_PG_CNT0 + i * 4);
8223                 else
8224                         lo = t4_read_reg(sc, A_MPS_RX_PG_RSV4 + i * 4);
8225                 if (is_t5(sc)) {
8226                         used = G_T5_USED(lo);
8227                         alloc = G_T5_ALLOC(lo);
8228                 } else {
8229                         used = G_USED(lo);
8230                         alloc = G_ALLOC(lo);
8231                 }
8232                 /* For T6 these are MAC buffer groups */
8233                 sbuf_printf(sb,
8234                     "\nLoopback %d using %u pages out of %u allocated",
8235                     i, used, alloc);
8236         }
8237
8238         rc = sbuf_finish(sb);
8239         sbuf_delete(sb);
8240
8241         return (rc);
8242 }
8243
8244 static inline void
8245 tcamxy2valmask(uint64_t x, uint64_t y, uint8_t *addr, uint64_t *mask)
8246 {
8247         *mask = x | y;
8248         y = htobe64(y);
8249         memcpy(addr, (char *)&y + 2, ETHER_ADDR_LEN);
8250 }
8251
8252 static int
8253 sysctl_mps_tcam(SYSCTL_HANDLER_ARGS)
8254 {
8255         struct adapter *sc = arg1;
8256         struct sbuf *sb;
8257         int rc, i;
8258
8259         MPASS(chip_id(sc) <= CHELSIO_T5);
8260
8261         rc = sysctl_wire_old_buffer(req, 0);
8262         if (rc != 0)
8263                 return (rc);
8264
8265         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
8266         if (sb == NULL)
8267                 return (ENOMEM);
8268
8269         sbuf_printf(sb,
8270             "Idx  Ethernet address     Mask     Vld Ports PF"
8271             "  VF              Replication             P0 P1 P2 P3  ML");
8272         for (i = 0; i < sc->chip_params->mps_tcam_size; i++) {
8273                 uint64_t tcamx, tcamy, mask;
8274                 uint32_t cls_lo, cls_hi;
8275                 uint8_t addr[ETHER_ADDR_LEN];
8276
8277                 tcamy = t4_read_reg64(sc, MPS_CLS_TCAM_Y_L(i));
8278                 tcamx = t4_read_reg64(sc, MPS_CLS_TCAM_X_L(i));
8279                 if (tcamx & tcamy)
8280                         continue;
8281                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
8282                 cls_lo = t4_read_reg(sc, MPS_CLS_SRAM_L(i));
8283                 cls_hi = t4_read_reg(sc, MPS_CLS_SRAM_H(i));
8284                 sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x %012jx"
8285                            "  %c   %#x%4u%4d", i, addr[0], addr[1], addr[2],
8286                            addr[3], addr[4], addr[5], (uintmax_t)mask,
8287                            (cls_lo & F_SRAM_VLD) ? 'Y' : 'N',
8288                            G_PORTMAP(cls_hi), G_PF(cls_lo),
8289                            (cls_lo & F_VF_VALID) ? G_VF(cls_lo) : -1);
8290
8291                 if (cls_lo & F_REPLICATE) {
8292                         struct fw_ldst_cmd ldst_cmd;
8293
8294                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
8295                         ldst_cmd.op_to_addrspace =
8296                             htobe32(V_FW_CMD_OP(FW_LDST_CMD) |
8297                                 F_FW_CMD_REQUEST | F_FW_CMD_READ |
8298                                 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MPS));
8299                         ldst_cmd.cycles_to_len16 = htobe32(FW_LEN16(ldst_cmd));
8300                         ldst_cmd.u.mps.rplc.fid_idx =
8301                             htobe16(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) |
8302                                 V_FW_LDST_CMD_IDX(i));
8303
8304                         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK,
8305                             "t4mps");
8306                         if (rc)
8307                                 break;
8308                         rc = -t4_wr_mbox(sc, sc->mbox, &ldst_cmd,
8309                             sizeof(ldst_cmd), &ldst_cmd);
8310                         end_synchronized_op(sc, 0);
8311
8312                         if (rc != 0) {
8313                                 sbuf_printf(sb, "%36d", rc);
8314                                 rc = 0;
8315                         } else {
8316                                 sbuf_printf(sb, " %08x %08x %08x %08x",
8317                                     be32toh(ldst_cmd.u.mps.rplc.rplc127_96),
8318                                     be32toh(ldst_cmd.u.mps.rplc.rplc95_64),
8319                                     be32toh(ldst_cmd.u.mps.rplc.rplc63_32),
8320                                     be32toh(ldst_cmd.u.mps.rplc.rplc31_0));
8321                         }
8322                 } else
8323                         sbuf_printf(sb, "%36s", "");
8324
8325                 sbuf_printf(sb, "%4u%3u%3u%3u %#3x", G_SRAM_PRIO0(cls_lo),
8326                     G_SRAM_PRIO1(cls_lo), G_SRAM_PRIO2(cls_lo),
8327                     G_SRAM_PRIO3(cls_lo), (cls_lo >> S_MULTILISTEN0) & 0xf);
8328         }
8329
8330         if (rc)
8331                 (void) sbuf_finish(sb);
8332         else
8333                 rc = sbuf_finish(sb);
8334         sbuf_delete(sb);
8335
8336         return (rc);
8337 }
8338
8339 static int
8340 sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS)
8341 {
8342         struct adapter *sc = arg1;
8343         struct sbuf *sb;
8344         int rc, i;
8345
8346         MPASS(chip_id(sc) > CHELSIO_T5);
8347
8348         rc = sysctl_wire_old_buffer(req, 0);
8349         if (rc != 0)
8350                 return (rc);
8351
8352         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
8353         if (sb == NULL)
8354                 return (ENOMEM);
8355
8356         sbuf_printf(sb, "Idx  Ethernet address     Mask       VNI   Mask"
8357             "   IVLAN Vld DIP_Hit   Lookup  Port Vld Ports PF  VF"
8358             "                           Replication"
8359             "                                    P0 P1 P2 P3  ML\n");
8360
8361         for (i = 0; i < sc->chip_params->mps_tcam_size; i++) {
8362                 uint8_t dip_hit, vlan_vld, lookup_type, port_num;
8363                 uint16_t ivlan;
8364                 uint64_t tcamx, tcamy, val, mask;
8365                 uint32_t cls_lo, cls_hi, ctl, data2, vnix, vniy;
8366                 uint8_t addr[ETHER_ADDR_LEN];
8367
8368                 ctl = V_CTLREQID(1) | V_CTLCMDTYPE(0) | V_CTLXYBITSEL(0);
8369                 if (i < 256)
8370                         ctl |= V_CTLTCAMINDEX(i) | V_CTLTCAMSEL(0);
8371                 else
8372                         ctl |= V_CTLTCAMINDEX(i - 256) | V_CTLTCAMSEL(1);
8373                 t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl);
8374                 val = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA1_REQ_ID1);
8375                 tcamy = G_DMACH(val) << 32;
8376                 tcamy |= t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA0_REQ_ID1);
8377                 data2 = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA2_REQ_ID1);
8378                 lookup_type = G_DATALKPTYPE(data2);
8379                 port_num = G_DATAPORTNUM(data2);
8380                 if (lookup_type && lookup_type != M_DATALKPTYPE) {
8381                         /* Inner header VNI */
8382                         vniy = ((data2 & F_DATAVIDH2) << 23) |
8383                                        (G_DATAVIDH1(data2) << 16) | G_VIDL(val);
8384                         dip_hit = data2 & F_DATADIPHIT;
8385                         vlan_vld = 0;
8386                 } else {
8387                         vniy = 0;
8388                         dip_hit = 0;
8389                         vlan_vld = data2 & F_DATAVIDH2;
8390                         ivlan = G_VIDL(val);
8391                 }
8392
8393                 ctl |= V_CTLXYBITSEL(1);
8394                 t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl);
8395                 val = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA1_REQ_ID1);
8396                 tcamx = G_DMACH(val) << 32;
8397                 tcamx |= t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA0_REQ_ID1);
8398                 data2 = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA2_REQ_ID1);
8399                 if (lookup_type && lookup_type != M_DATALKPTYPE) {
8400                         /* Inner header VNI mask */
8401                         vnix = ((data2 & F_DATAVIDH2) << 23) |
8402                                (G_DATAVIDH1(data2) << 16) | G_VIDL(val);
8403                 } else
8404                         vnix = 0;
8405
8406                 if (tcamx & tcamy)
8407                         continue;
8408                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
8409
8410                 cls_lo = t4_read_reg(sc, MPS_CLS_SRAM_L(i));
8411                 cls_hi = t4_read_reg(sc, MPS_CLS_SRAM_H(i));
8412
8413                 if (lookup_type && lookup_type != M_DATALKPTYPE) {
8414                         sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x "
8415                             "%012jx %06x %06x    -    -   %3c"
8416                             "      'I'  %4x   %3c   %#x%4u%4d", i, addr[0],
8417                             addr[1], addr[2], addr[3], addr[4], addr[5],
8418                             (uintmax_t)mask, vniy, vnix, dip_hit ? 'Y' : 'N',
8419                             port_num, cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N',
8420                             G_PORTMAP(cls_hi), G_T6_PF(cls_lo),
8421                             cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1);
8422                 } else {
8423                         sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x "
8424                             "%012jx    -       -   ", i, addr[0], addr[1],
8425                             addr[2], addr[3], addr[4], addr[5],
8426                             (uintmax_t)mask);
8427
8428                         if (vlan_vld)
8429                                 sbuf_printf(sb, "%4u   Y     ", ivlan);
8430                         else
8431                                 sbuf_printf(sb, "  -    N     ");
8432
8433                         sbuf_printf(sb, "-      %3c  %4x   %3c   %#x%4u%4d",
8434                             lookup_type ? 'I' : 'O', port_num,
8435                             cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N',
8436                             G_PORTMAP(cls_hi), G_T6_PF(cls_lo),
8437                             cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1);
8438                 }
8439
8440
8441                 if (cls_lo & F_T6_REPLICATE) {
8442                         struct fw_ldst_cmd ldst_cmd;
8443
8444                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
8445                         ldst_cmd.op_to_addrspace =
8446                             htobe32(V_FW_CMD_OP(FW_LDST_CMD) |
8447                                 F_FW_CMD_REQUEST | F_FW_CMD_READ |
8448                                 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MPS));
8449                         ldst_cmd.cycles_to_len16 = htobe32(FW_LEN16(ldst_cmd));
8450                         ldst_cmd.u.mps.rplc.fid_idx =
8451                             htobe16(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) |
8452                                 V_FW_LDST_CMD_IDX(i));
8453
8454                         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK,
8455                             "t6mps");
8456                         if (rc)
8457                                 break;
8458                         rc = -t4_wr_mbox(sc, sc->mbox, &ldst_cmd,
8459                             sizeof(ldst_cmd), &ldst_cmd);
8460                         end_synchronized_op(sc, 0);
8461
8462                         if (rc != 0) {
8463                                 sbuf_printf(sb, "%72d", rc);
8464                                 rc = 0;
8465                         } else {
8466                                 sbuf_printf(sb, " %08x %08x %08x %08x"
8467                                     " %08x %08x %08x %08x",
8468                                     be32toh(ldst_cmd.u.mps.rplc.rplc255_224),
8469                                     be32toh(ldst_cmd.u.mps.rplc.rplc223_192),
8470                                     be32toh(ldst_cmd.u.mps.rplc.rplc191_160),
8471                                     be32toh(ldst_cmd.u.mps.rplc.rplc159_128),
8472                                     be32toh(ldst_cmd.u.mps.rplc.rplc127_96),
8473                                     be32toh(ldst_cmd.u.mps.rplc.rplc95_64),
8474                                     be32toh(ldst_cmd.u.mps.rplc.rplc63_32),
8475                                     be32toh(ldst_cmd.u.mps.rplc.rplc31_0));
8476                         }
8477                 } else
8478                         sbuf_printf(sb, "%72s", "");
8479
8480                 sbuf_printf(sb, "%4u%3u%3u%3u %#x",
8481                     G_T6_SRAM_PRIO0(cls_lo), G_T6_SRAM_PRIO1(cls_lo),
8482                     G_T6_SRAM_PRIO2(cls_lo), G_T6_SRAM_PRIO3(cls_lo),
8483                     (cls_lo >> S_T6_MULTILISTEN0) & 0xf);
8484         }
8485
8486         if (rc)
8487                 (void) sbuf_finish(sb);
8488         else
8489                 rc = sbuf_finish(sb);
8490         sbuf_delete(sb);
8491
8492         return (rc);
8493 }
8494
8495 static int
8496 sysctl_path_mtus(SYSCTL_HANDLER_ARGS)
8497 {
8498         struct adapter *sc = arg1;
8499         struct sbuf *sb;
8500         int rc;
8501         uint16_t mtus[NMTUS];
8502
8503         rc = sysctl_wire_old_buffer(req, 0);
8504         if (rc != 0)
8505                 return (rc);
8506
8507         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
8508         if (sb == NULL)
8509                 return (ENOMEM);
8510
8511         t4_read_mtu_tbl(sc, mtus, NULL);
8512
8513         sbuf_printf(sb, "%u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u",
8514             mtus[0], mtus[1], mtus[2], mtus[3], mtus[4], mtus[5], mtus[6],
8515             mtus[7], mtus[8], mtus[9], mtus[10], mtus[11], mtus[12], mtus[13],
8516             mtus[14], mtus[15]);
8517
8518         rc = sbuf_finish(sb);
8519         sbuf_delete(sb);
8520
8521         return (rc);
8522 }
8523
8524 static int
8525 sysctl_pm_stats(SYSCTL_HANDLER_ARGS)
8526 {
8527         struct adapter *sc = arg1;
8528         struct sbuf *sb;
8529         int rc, i;
8530         uint32_t tx_cnt[MAX_PM_NSTATS], rx_cnt[MAX_PM_NSTATS];
8531         uint64_t tx_cyc[MAX_PM_NSTATS], rx_cyc[MAX_PM_NSTATS];
8532         static const char *tx_stats[MAX_PM_NSTATS] = {
8533                 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:",
8534                 "Tx FIFO wait", NULL, "Tx latency"
8535         };
8536         static const char *rx_stats[MAX_PM_NSTATS] = {
8537                 "Read:", "Write bypass:", "Write mem:", "Flush:",
8538                 "Rx FIFO wait", NULL, "Rx latency"
8539         };
8540
8541         rc = sysctl_wire_old_buffer(req, 0);
8542         if (rc != 0)
8543                 return (rc);
8544
8545         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
8546         if (sb == NULL)
8547                 return (ENOMEM);
8548
8549         t4_pmtx_get_stats(sc, tx_cnt, tx_cyc);
8550         t4_pmrx_get_stats(sc, rx_cnt, rx_cyc);
8551
8552         sbuf_printf(sb, "                Tx pcmds             Tx bytes");
8553         for (i = 0; i < 4; i++) {
8554                 sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i],
8555                     tx_cyc[i]);
8556         }
8557
8558         sbuf_printf(sb, "\n                Rx pcmds             Rx bytes");
8559         for (i = 0; i < 4; i++) {
8560                 sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i],
8561                     rx_cyc[i]);
8562         }
8563
8564         if (chip_id(sc) > CHELSIO_T5) {
8565                 sbuf_printf(sb,
8566                     "\n              Total wait      Total occupancy");
8567                 sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i],
8568                     tx_cyc[i]);
8569                 sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i],
8570                     rx_cyc[i]);
8571
8572                 i += 2;
8573                 MPASS(i < nitems(tx_stats));
8574
8575                 sbuf_printf(sb,
8576                     "\n                   Reads           Total wait");
8577                 sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i],
8578                     tx_cyc[i]);
8579                 sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i],
8580                     rx_cyc[i]);
8581         }
8582
8583         rc = sbuf_finish(sb);
8584         sbuf_delete(sb);
8585
8586         return (rc);
8587 }
8588
8589 static int
8590 sysctl_rdma_stats(SYSCTL_HANDLER_ARGS)
8591 {
8592         struct adapter *sc = arg1;
8593         struct sbuf *sb;
8594         int rc;
8595         struct tp_rdma_stats stats;
8596
8597         rc = sysctl_wire_old_buffer(req, 0);
8598         if (rc != 0)
8599                 return (rc);
8600
8601         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
8602         if (sb == NULL)
8603                 return (ENOMEM);
8604
8605         mtx_lock(&sc->reg_lock);
8606         t4_tp_get_rdma_stats(sc, &stats, 0);
8607         mtx_unlock(&sc->reg_lock);
8608
8609         sbuf_printf(sb, "NoRQEModDefferals: %u\n", stats.rqe_dfr_mod);
8610         sbuf_printf(sb, "NoRQEPktDefferals: %u", stats.rqe_dfr_pkt);
8611
8612         rc = sbuf_finish(sb);
8613         sbuf_delete(sb);
8614
8615         return (rc);
8616 }
8617
8618 static int
8619 sysctl_tcp_stats(SYSCTL_HANDLER_ARGS)
8620 {
8621         struct adapter *sc = arg1;
8622         struct sbuf *sb;
8623         int rc;
8624         struct tp_tcp_stats v4, v6;
8625
8626         rc = sysctl_wire_old_buffer(req, 0);
8627         if (rc != 0)
8628                 return (rc);
8629
8630         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
8631         if (sb == NULL)
8632                 return (ENOMEM);
8633
8634         mtx_lock(&sc->reg_lock);
8635         t4_tp_get_tcp_stats(sc, &v4, &v6, 0);
8636         mtx_unlock(&sc->reg_lock);
8637
8638         sbuf_printf(sb,
8639             "                                IP                 IPv6\n");
8640         sbuf_printf(sb, "OutRsts:      %20u %20u\n",
8641             v4.tcp_out_rsts, v6.tcp_out_rsts);
8642         sbuf_printf(sb, "InSegs:       %20ju %20ju\n",
8643             v4.tcp_in_segs, v6.tcp_in_segs);
8644         sbuf_printf(sb, "OutSegs:      %20ju %20ju\n",
8645             v4.tcp_out_segs, v6.tcp_out_segs);
8646         sbuf_printf(sb, "RetransSegs:  %20ju %20ju",
8647             v4.tcp_retrans_segs, v6.tcp_retrans_segs);
8648
8649         rc = sbuf_finish(sb);
8650         sbuf_delete(sb);
8651
8652         return (rc);
8653 }
8654
8655 static int
8656 sysctl_tids(SYSCTL_HANDLER_ARGS)
8657 {
8658         struct adapter *sc = arg1;
8659         struct sbuf *sb;
8660         int rc;
8661         struct tid_info *t = &sc->tids;
8662
8663         rc = sysctl_wire_old_buffer(req, 0);
8664         if (rc != 0)
8665                 return (rc);
8666
8667         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
8668         if (sb == NULL)
8669                 return (ENOMEM);
8670
8671         if (t->natids) {
8672                 sbuf_printf(sb, "ATID range: 0-%u, in use: %u\n", t->natids - 1,
8673                     t->atids_in_use);
8674         }
8675
8676         if (t->nhpftids) {
8677                 sbuf_printf(sb, "HPFTID range: %u-%u, in use: %u\n",
8678                     t->hpftid_base, t->hpftid_end, t->hpftids_in_use);
8679         }
8680
8681         if (t->ntids) {
8682                 sbuf_printf(sb, "TID range: ");
8683                 if (t4_read_reg(sc, A_LE_DB_CONFIG) & F_HASHEN) {
8684                         uint32_t b, hb;
8685
8686                         if (chip_id(sc) <= CHELSIO_T5) {
8687                                 b = t4_read_reg(sc, A_LE_DB_SERVER_INDEX) / 4;
8688                                 hb = t4_read_reg(sc, A_LE_DB_TID_HASHBASE) / 4;
8689                         } else {
8690                                 b = t4_read_reg(sc, A_LE_DB_SRVR_START_INDEX);
8691                                 hb = t4_read_reg(sc, A_T6_LE_DB_HASH_TID_BASE);
8692                         }
8693
8694                         if (b)
8695                                 sbuf_printf(sb, "%u-%u, ", t->tid_base, b - 1);
8696                         sbuf_printf(sb, "%u-%u", hb, t->ntids - 1);
8697                 } else
8698                         sbuf_printf(sb, "%u-%u", t->tid_base, t->ntids - 1);
8699                 sbuf_printf(sb, ", in use: %u\n",
8700                     atomic_load_acq_int(&t->tids_in_use));
8701         }
8702
8703         if (t->nstids) {
8704                 sbuf_printf(sb, "STID range: %u-%u, in use: %u\n", t->stid_base,
8705                     t->stid_base + t->nstids - 1, t->stids_in_use);
8706         }
8707
8708         if (t->nftids) {
8709                 sbuf_printf(sb, "FTID range: %u-%u, in use: %u\n", t->ftid_base,
8710                     t->ftid_end, t->ftids_in_use);
8711         }
8712
8713         if (t->netids) {
8714                 sbuf_printf(sb, "ETID range: %u-%u, in use: %u\n", t->etid_base,
8715                     t->etid_base + t->netids - 1, t->etids_in_use);
8716         }
8717
8718         sbuf_printf(sb, "HW TID usage: %u IP users, %u IPv6 users",
8719             t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV4),
8720             t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV6));
8721
8722         rc = sbuf_finish(sb);
8723         sbuf_delete(sb);
8724
8725         return (rc);
8726 }
8727
8728 static int
8729 sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS)
8730 {
8731         struct adapter *sc = arg1;
8732         struct sbuf *sb;
8733         int rc;
8734         struct tp_err_stats stats;
8735
8736         rc = sysctl_wire_old_buffer(req, 0);
8737         if (rc != 0)
8738                 return (rc);
8739
8740         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
8741         if (sb == NULL)
8742                 return (ENOMEM);
8743
8744         mtx_lock(&sc->reg_lock);
8745         t4_tp_get_err_stats(sc, &stats, 0);
8746         mtx_unlock(&sc->reg_lock);
8747
8748         if (sc->chip_params->nchan > 2) {
8749                 sbuf_printf(sb, "                 channel 0  channel 1"
8750                     "  channel 2  channel 3\n");
8751                 sbuf_printf(sb, "macInErrs:      %10u %10u %10u %10u\n",
8752                     stats.mac_in_errs[0], stats.mac_in_errs[1],
8753                     stats.mac_in_errs[2], stats.mac_in_errs[3]);
8754                 sbuf_printf(sb, "hdrInErrs:      %10u %10u %10u %10u\n",
8755                     stats.hdr_in_errs[0], stats.hdr_in_errs[1],
8756                     stats.hdr_in_errs[2], stats.hdr_in_errs[3]);
8757                 sbuf_printf(sb, "tcpInErrs:      %10u %10u %10u %10u\n",
8758                     stats.tcp_in_errs[0], stats.tcp_in_errs[1],
8759                     stats.tcp_in_errs[2], stats.tcp_in_errs[3]);
8760                 sbuf_printf(sb, "tcp6InErrs:     %10u %10u %10u %10u\n",
8761                     stats.tcp6_in_errs[0], stats.tcp6_in_errs[1],
8762                     stats.tcp6_in_errs[2], stats.tcp6_in_errs[3]);
8763                 sbuf_printf(sb, "tnlCongDrops:   %10u %10u %10u %10u\n",
8764                     stats.tnl_cong_drops[0], stats.tnl_cong_drops[1],
8765                     stats.tnl_cong_drops[2], stats.tnl_cong_drops[3]);
8766                 sbuf_printf(sb, "tnlTxDrops:     %10u %10u %10u %10u\n",
8767                     stats.tnl_tx_drops[0], stats.tnl_tx_drops[1],
8768                     stats.tnl_tx_drops[2], stats.tnl_tx_drops[3]);
8769                 sbuf_printf(sb, "ofldVlanDrops:  %10u %10u %10u %10u\n",
8770                     stats.ofld_vlan_drops[0], stats.ofld_vlan_drops[1],
8771                     stats.ofld_vlan_drops[2], stats.ofld_vlan_drops[3]);
8772                 sbuf_printf(sb, "ofldChanDrops:  %10u %10u %10u %10u\n\n",
8773                     stats.ofld_chan_drops[0], stats.ofld_chan_drops[1],
8774                     stats.ofld_chan_drops[2], stats.ofld_chan_drops[3]);
8775         } else {
8776                 sbuf_printf(sb, "                 channel 0  channel 1\n");
8777                 sbuf_printf(sb, "macInErrs:      %10u %10u\n",
8778                     stats.mac_in_errs[0], stats.mac_in_errs[1]);
8779                 sbuf_printf(sb, "hdrInErrs:      %10u %10u\n",
8780                     stats.hdr_in_errs[0], stats.hdr_in_errs[1]);
8781                 sbuf_printf(sb, "tcpInErrs:      %10u %10u\n",
8782                     stats.tcp_in_errs[0], stats.tcp_in_errs[1]);
8783                 sbuf_printf(sb, "tcp6InErrs:     %10u %10u\n",
8784                     stats.tcp6_in_errs[0], stats.tcp6_in_errs[1]);
8785                 sbuf_printf(sb, "tnlCongDrops:   %10u %10u\n",
8786                     stats.tnl_cong_drops[0], stats.tnl_cong_drops[1]);
8787                 sbuf_printf(sb, "tnlTxDrops:     %10u %10u\n",
8788                     stats.tnl_tx_drops[0], stats.tnl_tx_drops[1]);
8789                 sbuf_printf(sb, "ofldVlanDrops:  %10u %10u\n",
8790                     stats.ofld_vlan_drops[0], stats.ofld_vlan_drops[1]);
8791                 sbuf_printf(sb, "ofldChanDrops:  %10u %10u\n\n",
8792                     stats.ofld_chan_drops[0], stats.ofld_chan_drops[1]);
8793         }
8794
8795         sbuf_printf(sb, "ofldNoNeigh:    %u\nofldCongDefer:  %u",
8796             stats.ofld_no_neigh, stats.ofld_cong_defer);
8797
8798         rc = sbuf_finish(sb);
8799         sbuf_delete(sb);
8800
8801         return (rc);
8802 }
8803
8804 static int
8805 sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS)
8806 {
8807         struct adapter *sc = arg1;
8808         struct tp_params *tpp = &sc->params.tp;
8809         u_int mask;
8810         int rc;
8811
8812         mask = tpp->la_mask >> 16;
8813         rc = sysctl_handle_int(oidp, &mask, 0, req);
8814         if (rc != 0 || req->newptr == NULL)
8815                 return (rc);
8816         if (mask > 0xffff)
8817                 return (EINVAL);
8818         tpp->la_mask = mask << 16;
8819         t4_set_reg_field(sc, A_TP_DBG_LA_CONFIG, 0xffff0000U, tpp->la_mask);
8820
8821         return (0);
8822 }
8823
8824 struct field_desc {
8825         const char *name;
8826         u_int start;
8827         u_int width;
8828 };
8829
8830 static void
8831 field_desc_show(struct sbuf *sb, uint64_t v, const struct field_desc *f)
8832 {
8833         char buf[32];
8834         int line_size = 0;
8835
8836         while (f->name) {
8837                 uint64_t mask = (1ULL << f->width) - 1;
8838                 int len = snprintf(buf, sizeof(buf), "%s: %ju", f->name,
8839                     ((uintmax_t)v >> f->start) & mask);
8840
8841                 if (line_size + len >= 79) {
8842                         line_size = 8;
8843                         sbuf_printf(sb, "\n        ");
8844                 }
8845                 sbuf_printf(sb, "%s ", buf);
8846                 line_size += len + 1;
8847                 f++;
8848         }
8849         sbuf_printf(sb, "\n");
8850 }
8851
8852 static const struct field_desc tp_la0[] = {
8853         { "RcfOpCodeOut", 60, 4 },
8854         { "State", 56, 4 },
8855         { "WcfState", 52, 4 },
8856         { "RcfOpcSrcOut", 50, 2 },
8857         { "CRxError", 49, 1 },
8858         { "ERxError", 48, 1 },
8859         { "SanityFailed", 47, 1 },
8860         { "SpuriousMsg", 46, 1 },
8861         { "FlushInputMsg", 45, 1 },
8862         { "FlushInputCpl", 44, 1 },
8863         { "RssUpBit", 43, 1 },
8864         { "RssFilterHit", 42, 1 },
8865         { "Tid", 32, 10 },
8866         { "InitTcb", 31, 1 },
8867         { "LineNumber", 24, 7 },
8868         { "Emsg", 23, 1 },
8869         { "EdataOut", 22, 1 },
8870         { "Cmsg", 21, 1 },
8871         { "CdataOut", 20, 1 },
8872         { "EreadPdu", 19, 1 },
8873         { "CreadPdu", 18, 1 },
8874         { "TunnelPkt", 17, 1 },
8875         { "RcfPeerFin", 16, 1 },
8876         { "RcfReasonOut", 12, 4 },
8877         { "TxCchannel", 10, 2 },
8878         { "RcfTxChannel", 8, 2 },
8879         { "RxEchannel", 6, 2 },
8880         { "RcfRxChannel", 5, 1 },
8881         { "RcfDataOutSrdy", 4, 1 },
8882         { "RxDvld", 3, 1 },
8883         { "RxOoDvld", 2, 1 },
8884         { "RxCongestion", 1, 1 },
8885         { "TxCongestion", 0, 1 },
8886         { NULL }
8887 };
8888
8889 static const struct field_desc tp_la1[] = {
8890         { "CplCmdIn", 56, 8 },
8891         { "CplCmdOut", 48, 8 },
8892         { "ESynOut", 47, 1 },
8893         { "EAckOut", 46, 1 },
8894         { "EFinOut", 45, 1 },
8895         { "ERstOut", 44, 1 },
8896         { "SynIn", 43, 1 },
8897         { "AckIn", 42, 1 },
8898         { "FinIn", 41, 1 },
8899         { "RstIn", 40, 1 },
8900         { "DataIn", 39, 1 },
8901         { "DataInVld", 38, 1 },
8902         { "PadIn", 37, 1 },
8903         { "RxBufEmpty", 36, 1 },
8904         { "RxDdp", 35, 1 },
8905         { "RxFbCongestion", 34, 1 },
8906         { "TxFbCongestion", 33, 1 },
8907         { "TxPktSumSrdy", 32, 1 },
8908         { "RcfUlpType", 28, 4 },
8909         { "Eread", 27, 1 },
8910         { "Ebypass", 26, 1 },
8911         { "Esave", 25, 1 },
8912         { "Static0", 24, 1 },
8913         { "Cread", 23, 1 },
8914         { "Cbypass", 22, 1 },
8915         { "Csave", 21, 1 },
8916         { "CPktOut", 20, 1 },
8917         { "RxPagePoolFull", 18, 2 },
8918         { "RxLpbkPkt", 17, 1 },
8919         { "TxLpbkPkt", 16, 1 },
8920         { "RxVfValid", 15, 1 },
8921         { "SynLearned", 14, 1 },
8922         { "SetDelEntry", 13, 1 },
8923         { "SetInvEntry", 12, 1 },
8924         { "CpcmdDvld", 11, 1 },
8925         { "CpcmdSave", 10, 1 },
8926         { "RxPstructsFull", 8, 2 },
8927         { "EpcmdDvld", 7, 1 },
8928         { "EpcmdFlush", 6, 1 },
8929         { "EpcmdTrimPrefix", 5, 1 },
8930         { "EpcmdTrimPostfix", 4, 1 },
8931         { "ERssIp4Pkt", 3, 1 },
8932         { "ERssIp6Pkt", 2, 1 },
8933         { "ERssTcpUdpPkt", 1, 1 },
8934         { "ERssFceFipPkt", 0, 1 },
8935         { NULL }
8936 };
8937
8938 static const struct field_desc tp_la2[] = {
8939         { "CplCmdIn", 56, 8 },
8940         { "MpsVfVld", 55, 1 },
8941         { "MpsPf", 52, 3 },
8942         { "MpsVf", 44, 8 },
8943         { "SynIn", 43, 1 },
8944         { "AckIn", 42, 1 },
8945         { "FinIn", 41, 1 },
8946         { "RstIn", 40, 1 },
8947         { "DataIn", 39, 1 },
8948         { "DataInVld", 38, 1 },
8949         { "PadIn", 37, 1 },
8950         { "RxBufEmpty", 36, 1 },
8951         { "RxDdp", 35, 1 },
8952         { "RxFbCongestion", 34, 1 },
8953         { "TxFbCongestion", 33, 1 },
8954         { "TxPktSumSrdy", 32, 1 },
8955         { "RcfUlpType", 28, 4 },
8956         { "Eread", 27, 1 },
8957         { "Ebypass", 26, 1 },
8958         { "Esave", 25, 1 },
8959         { "Static0", 24, 1 },
8960         { "Cread", 23, 1 },
8961         { "Cbypass", 22, 1 },
8962         { "Csave", 21, 1 },
8963         { "CPktOut", 20, 1 },
8964         { "RxPagePoolFull", 18, 2 },
8965         { "RxLpbkPkt", 17, 1 },
8966         { "TxLpbkPkt", 16, 1 },
8967         { "RxVfValid", 15, 1 },
8968         { "SynLearned", 14, 1 },
8969         { "SetDelEntry", 13, 1 },
8970         { "SetInvEntry", 12, 1 },
8971         { "CpcmdDvld", 11, 1 },
8972         { "CpcmdSave", 10, 1 },
8973         { "RxPstructsFull", 8, 2 },
8974         { "EpcmdDvld", 7, 1 },
8975         { "EpcmdFlush", 6, 1 },
8976         { "EpcmdTrimPrefix", 5, 1 },
8977         { "EpcmdTrimPostfix", 4, 1 },
8978         { "ERssIp4Pkt", 3, 1 },
8979         { "ERssIp6Pkt", 2, 1 },
8980         { "ERssTcpUdpPkt", 1, 1 },
8981         { "ERssFceFipPkt", 0, 1 },
8982         { NULL }
8983 };
8984
8985 static void
8986 tp_la_show(struct sbuf *sb, uint64_t *p, int idx)
8987 {
8988
8989         field_desc_show(sb, *p, tp_la0);
8990 }
8991
8992 static void
8993 tp_la_show2(struct sbuf *sb, uint64_t *p, int idx)
8994 {
8995
8996         if (idx)
8997                 sbuf_printf(sb, "\n");
8998         field_desc_show(sb, p[0], tp_la0);
8999         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
9000                 field_desc_show(sb, p[1], tp_la0);
9001 }
9002
9003 static void
9004 tp_la_show3(struct sbuf *sb, uint64_t *p, int idx)
9005 {
9006
9007         if (idx)
9008                 sbuf_printf(sb, "\n");
9009         field_desc_show(sb, p[0], tp_la0);
9010         if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
9011                 field_desc_show(sb, p[1], (p[0] & (1 << 17)) ? tp_la2 : tp_la1);
9012 }
9013
9014 static int
9015 sysctl_tp_la(SYSCTL_HANDLER_ARGS)
9016 {
9017         struct adapter *sc = arg1;
9018         struct sbuf *sb;
9019         uint64_t *buf, *p;
9020         int rc;
9021         u_int i, inc;
9022         void (*show_func)(struct sbuf *, uint64_t *, int);
9023
9024         rc = sysctl_wire_old_buffer(req, 0);
9025         if (rc != 0)
9026                 return (rc);
9027
9028         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
9029         if (sb == NULL)
9030                 return (ENOMEM);
9031
9032         buf = malloc(TPLA_SIZE * sizeof(uint64_t), M_CXGBE, M_ZERO | M_WAITOK);
9033
9034         t4_tp_read_la(sc, buf, NULL);
9035         p = buf;
9036
9037         switch (G_DBGLAMODE(t4_read_reg(sc, A_TP_DBG_LA_CONFIG))) {
9038         case 2:
9039                 inc = 2;
9040                 show_func = tp_la_show2;
9041                 break;
9042         case 3:
9043                 inc = 2;
9044                 show_func = tp_la_show3;
9045                 break;
9046         default:
9047                 inc = 1;
9048                 show_func = tp_la_show;
9049         }
9050
9051         for (i = 0; i < TPLA_SIZE / inc; i++, p += inc)
9052                 (*show_func)(sb, p, i);
9053
9054         rc = sbuf_finish(sb);
9055         sbuf_delete(sb);
9056         free(buf, M_CXGBE);
9057         return (rc);
9058 }
9059
9060 static int
9061 sysctl_tx_rate(SYSCTL_HANDLER_ARGS)
9062 {
9063         struct adapter *sc = arg1;
9064         struct sbuf *sb;
9065         int rc;
9066         u64 nrate[MAX_NCHAN], orate[MAX_NCHAN];
9067
9068         rc = sysctl_wire_old_buffer(req, 0);
9069         if (rc != 0)
9070                 return (rc);
9071
9072         sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
9073         if (sb == NULL)
9074                 return (ENOMEM);
9075
9076         t4_get_chan_txrate(sc, nrate, orate);
9077
9078         if (sc->chip_params->nchan > 2) {
9079                 sbuf_printf(sb, "              channel 0   channel 1"
9080                     "   channel 2   channel 3\n");
9081                 sbuf_printf(sb, "NIC B/s:     %10ju  %10ju  %10ju  %10ju\n",
9082                     nrate[0], nrate[1], nrate[2], nrate[3]);
9083                 sbuf_printf(sb, "Offload B/s: %10ju  %10ju  %10ju  %10ju",
9084                     orate[0], orate[1], orate[2], orate[3]);
9085         } else {
9086                 sbuf_printf(sb, "              channel 0   channel 1\n");
9087                 sbuf_printf(sb, "NIC B/s:     %10ju  %10ju\n",
9088                     nrate[0], nrate[1]);
9089                 sbuf_printf(sb, "Offload B/s: %10ju  %10ju",
9090                     orate[0], orate[1]);
9091         }
9092
9093         rc = sbuf_finish(sb);
9094         sbuf_delete(sb);
9095
9096         return (rc);
9097 }
9098
9099 static int
9100 sysctl_ulprx_la(SYSCTL_HANDLER_ARGS)
9101 {
9102         struct adapter *sc = arg1;
9103         struct sbuf *sb;
9104         uint32_t *buf, *p;
9105         int rc, i;
9106
9107         rc = sysctl_wire_old_buffer(req, 0);
9108         if (rc != 0)
9109                 return (rc);
9110
9111         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
9112         if (sb == NULL)
9113                 return (ENOMEM);
9114
9115         buf = malloc(ULPRX_LA_SIZE * 8 * sizeof(uint32_t), M_CXGBE,
9116             M_ZERO | M_WAITOK);
9117
9118         t4_ulprx_read_la(sc, buf);
9119         p = buf;
9120
9121         sbuf_printf(sb, "      Pcmd        Type   Message"
9122             "                Data");
9123         for (i = 0; i < ULPRX_LA_SIZE; i++, p += 8) {
9124                 sbuf_printf(sb, "\n%08x%08x  %4x  %08x  %08x%08x%08x%08x",
9125                     p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
9126         }
9127
9128         rc = sbuf_finish(sb);
9129         sbuf_delete(sb);
9130         free(buf, M_CXGBE);
9131         return (rc);
9132 }
9133
9134 static int
9135 sysctl_wcwr_stats(SYSCTL_HANDLER_ARGS)
9136 {
9137         struct adapter *sc = arg1;
9138         struct sbuf *sb;
9139         int rc, v;
9140
9141         MPASS(chip_id(sc) >= CHELSIO_T5);
9142
9143         rc = sysctl_wire_old_buffer(req, 0);
9144         if (rc != 0)
9145                 return (rc);
9146
9147         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
9148         if (sb == NULL)
9149                 return (ENOMEM);
9150
9151         v = t4_read_reg(sc, A_SGE_STAT_CFG);
9152         if (G_STATSOURCE_T5(v) == 7) {
9153                 int mode;
9154
9155                 mode = is_t5(sc) ? G_STATMODE(v) : G_T6_STATMODE(v);
9156                 if (mode == 0) {
9157                         sbuf_printf(sb, "total %d, incomplete %d",
9158                             t4_read_reg(sc, A_SGE_STAT_TOTAL),
9159                             t4_read_reg(sc, A_SGE_STAT_MATCH));
9160                 } else if (mode == 1) {
9161                         sbuf_printf(sb, "total %d, data overflow %d",
9162                             t4_read_reg(sc, A_SGE_STAT_TOTAL),
9163                             t4_read_reg(sc, A_SGE_STAT_MATCH));
9164                 } else {
9165                         sbuf_printf(sb, "unknown mode %d", mode);
9166                 }
9167         }
9168         rc = sbuf_finish(sb);
9169         sbuf_delete(sb);
9170
9171         return (rc);
9172 }
9173
9174 static int
9175 sysctl_cpus(SYSCTL_HANDLER_ARGS)
9176 {
9177         struct adapter *sc = arg1;
9178         enum cpu_sets op = arg2;
9179         cpuset_t cpuset;
9180         struct sbuf *sb;
9181         int i, rc;
9182
9183         MPASS(op == LOCAL_CPUS || op == INTR_CPUS);
9184
9185         CPU_ZERO(&cpuset);
9186         rc = bus_get_cpus(sc->dev, op, sizeof(cpuset), &cpuset);
9187         if (rc != 0)
9188                 return (rc);
9189
9190         rc = sysctl_wire_old_buffer(req, 0);
9191         if (rc != 0)
9192                 return (rc);
9193
9194         sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
9195         if (sb == NULL)
9196                 return (ENOMEM);
9197
9198         CPU_FOREACH(i)
9199                 sbuf_printf(sb, "%d ", i);
9200         rc = sbuf_finish(sb);
9201         sbuf_delete(sb);
9202
9203         return (rc);
9204 }
9205
9206 #ifdef TCP_OFFLOAD
9207 static int
9208 sysctl_tls_rx_ports(SYSCTL_HANDLER_ARGS)
9209 {
9210         struct adapter *sc = arg1;
9211         int *old_ports, *new_ports;
9212         int i, new_count, rc;
9213
9214         if (req->newptr == NULL && req->oldptr == NULL)
9215                 return (SYSCTL_OUT(req, NULL, imax(sc->tt.num_tls_rx_ports, 1) *
9216                     sizeof(sc->tt.tls_rx_ports[0])));
9217
9218         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4tlsrx");
9219         if (rc)
9220                 return (rc);
9221
9222         if (sc->tt.num_tls_rx_ports == 0) {
9223                 i = -1;
9224                 rc = SYSCTL_OUT(req, &i, sizeof(i));
9225         } else
9226                 rc = SYSCTL_OUT(req, sc->tt.tls_rx_ports,
9227                     sc->tt.num_tls_rx_ports * sizeof(sc->tt.tls_rx_ports[0]));
9228         if (rc == 0 && req->newptr != NULL) {
9229                 new_count = req->newlen / sizeof(new_ports[0]);
9230                 new_ports = malloc(new_count * sizeof(new_ports[0]), M_CXGBE,
9231                     M_WAITOK);
9232                 rc = SYSCTL_IN(req, new_ports, new_count *
9233                     sizeof(new_ports[0]));
9234                 if (rc)
9235                         goto err;
9236
9237                 /* Allow setting to a single '-1' to clear the list. */
9238                 if (new_count == 1 && new_ports[0] == -1) {
9239                         ADAPTER_LOCK(sc);
9240                         old_ports = sc->tt.tls_rx_ports;
9241                         sc->tt.tls_rx_ports = NULL;
9242                         sc->tt.num_tls_rx_ports = 0;
9243                         ADAPTER_UNLOCK(sc);
9244                         free(old_ports, M_CXGBE);
9245                 } else {
9246                         for (i = 0; i < new_count; i++) {
9247                                 if (new_ports[i] < 1 ||
9248                                     new_ports[i] > IPPORT_MAX) {
9249                                         rc = EINVAL;
9250                                         goto err;
9251                                 }
9252                         }
9253
9254                         ADAPTER_LOCK(sc);
9255                         old_ports = sc->tt.tls_rx_ports;
9256                         sc->tt.tls_rx_ports = new_ports;
9257                         sc->tt.num_tls_rx_ports = new_count;
9258                         ADAPTER_UNLOCK(sc);
9259                         free(old_ports, M_CXGBE);
9260                         new_ports = NULL;
9261                 }
9262         err:
9263                 free(new_ports, M_CXGBE);
9264         }
9265         end_synchronized_op(sc, 0);
9266         return (rc);
9267 }
9268
9269 static void
9270 unit_conv(char *buf, size_t len, u_int val, u_int factor)
9271 {
9272         u_int rem = val % factor;
9273
9274         if (rem == 0)
9275                 snprintf(buf, len, "%u", val / factor);
9276         else {
9277                 while (rem % 10 == 0)
9278                         rem /= 10;
9279                 snprintf(buf, len, "%u.%u", val / factor, rem);
9280         }
9281 }
9282
9283 static int
9284 sysctl_tp_tick(SYSCTL_HANDLER_ARGS)
9285 {
9286         struct adapter *sc = arg1;
9287         char buf[16];
9288         u_int res, re;
9289         u_int cclk_ps = 1000000000 / sc->params.vpd.cclk;
9290
9291         res = t4_read_reg(sc, A_TP_TIMER_RESOLUTION);
9292         switch (arg2) {
9293         case 0:
9294                 /* timer_tick */
9295                 re = G_TIMERRESOLUTION(res);
9296                 break;
9297         case 1:
9298                 /* TCP timestamp tick */
9299                 re = G_TIMESTAMPRESOLUTION(res);
9300                 break;
9301         case 2:
9302                 /* DACK tick */
9303                 re = G_DELAYEDACKRESOLUTION(res);
9304                 break;
9305         default:
9306                 return (EDOOFUS);
9307         }
9308
9309         unit_conv(buf, sizeof(buf), (cclk_ps << re), 1000000);
9310
9311         return (sysctl_handle_string(oidp, buf, sizeof(buf), req));
9312 }
9313
9314 static int
9315 sysctl_tp_dack_timer(SYSCTL_HANDLER_ARGS)
9316 {
9317         struct adapter *sc = arg1;
9318         u_int res, dack_re, v;
9319         u_int cclk_ps = 1000000000 / sc->params.vpd.cclk;
9320
9321         res = t4_read_reg(sc, A_TP_TIMER_RESOLUTION);
9322         dack_re = G_DELAYEDACKRESOLUTION(res);
9323         v = ((cclk_ps << dack_re) / 1000000) * t4_read_reg(sc, A_TP_DACK_TIMER);
9324
9325         return (sysctl_handle_int(oidp, &v, 0, req));
9326 }
9327
9328 static int
9329 sysctl_tp_timer(SYSCTL_HANDLER_ARGS)
9330 {
9331         struct adapter *sc = arg1;
9332         int reg = arg2;
9333         u_int tre;
9334         u_long tp_tick_us, v;
9335         u_int cclk_ps = 1000000000 / sc->params.vpd.cclk;
9336
9337         MPASS(reg == A_TP_RXT_MIN || reg == A_TP_RXT_MAX ||
9338             reg == A_TP_PERS_MIN  || reg == A_TP_PERS_MAX ||
9339             reg == A_TP_KEEP_IDLE || reg == A_TP_KEEP_INTVL ||
9340             reg == A_TP_INIT_SRTT || reg == A_TP_FINWAIT2_TIMER);
9341
9342         tre = G_TIMERRESOLUTION(t4_read_reg(sc, A_TP_TIMER_RESOLUTION));
9343         tp_tick_us = (cclk_ps << tre) / 1000000;
9344
9345         if (reg == A_TP_INIT_SRTT)
9346                 v = tp_tick_us * G_INITSRTT(t4_read_reg(sc, reg));
9347         else
9348                 v = tp_tick_us * t4_read_reg(sc, reg);
9349
9350         return (sysctl_handle_long(oidp, &v, 0, req));
9351 }
9352
9353 /*
9354  * All fields in TP_SHIFT_CNT are 4b and the starting location of the field is
9355  * passed to this function.
9356  */
9357 static int
9358 sysctl_tp_shift_cnt(SYSCTL_HANDLER_ARGS)
9359 {
9360         struct adapter *sc = arg1;
9361         int idx = arg2;
9362         u_int v;
9363
9364         MPASS(idx >= 0 && idx <= 24);
9365
9366         v = (t4_read_reg(sc, A_TP_SHIFT_CNT) >> idx) & 0xf;
9367
9368         return (sysctl_handle_int(oidp, &v, 0, req));
9369 }
9370
9371 static int
9372 sysctl_tp_backoff(SYSCTL_HANDLER_ARGS)
9373 {
9374         struct adapter *sc = arg1;
9375         int idx = arg2;
9376         u_int shift, v, r;
9377
9378         MPASS(idx >= 0 && idx < 16);
9379
9380         r = A_TP_TCP_BACKOFF_REG0 + (idx & ~3);
9381         shift = (idx & 3) << 3;
9382         v = (t4_read_reg(sc, r) >> shift) & M_TIMERBACKOFFINDEX0;
9383
9384         return (sysctl_handle_int(oidp, &v, 0, req));
9385 }
9386
9387 static int
9388 sysctl_holdoff_tmr_idx_ofld(SYSCTL_HANDLER_ARGS)
9389 {
9390         struct vi_info *vi = arg1;
9391         struct adapter *sc = vi->pi->adapter;
9392         int idx, rc, i;
9393         struct sge_ofld_rxq *ofld_rxq;
9394         uint8_t v;
9395
9396         idx = vi->ofld_tmr_idx;
9397
9398         rc = sysctl_handle_int(oidp, &idx, 0, req);
9399         if (rc != 0 || req->newptr == NULL)
9400                 return (rc);
9401
9402         if (idx < 0 || idx >= SGE_NTIMERS)
9403                 return (EINVAL);
9404
9405         rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
9406             "t4otmr");
9407         if (rc)
9408                 return (rc);
9409
9410         v = V_QINTR_TIMER_IDX(idx) | V_QINTR_CNT_EN(vi->ofld_pktc_idx != -1);
9411         for_each_ofld_rxq(vi, i, ofld_rxq) {
9412 #ifdef atomic_store_rel_8
9413                 atomic_store_rel_8(&ofld_rxq->iq.intr_params, v);
9414 #else
9415                 ofld_rxq->iq.intr_params = v;
9416 #endif
9417         }
9418         vi->ofld_tmr_idx = idx;
9419
9420         end_synchronized_op(sc, LOCK_HELD);
9421         return (0);
9422 }
9423
9424 static int
9425 sysctl_holdoff_pktc_idx_ofld(SYSCTL_HANDLER_ARGS)
9426 {
9427         struct vi_info *vi = arg1;
9428         struct adapter *sc = vi->pi->adapter;
9429         int idx, rc;
9430
9431         idx = vi->ofld_pktc_idx;
9432
9433         rc = sysctl_handle_int(oidp, &idx, 0, req);
9434         if (rc != 0 || req->newptr == NULL)
9435                 return (rc);
9436
9437         if (idx < -1 || idx >= SGE_NCOUNTERS)
9438                 return (EINVAL);
9439
9440         rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
9441             "t4opktc");
9442         if (rc)
9443                 return (rc);
9444
9445         if (vi->flags & VI_INIT_DONE)
9446                 rc = EBUSY; /* cannot be changed once the queues are created */
9447         else
9448                 vi->ofld_pktc_idx = idx;
9449
9450         end_synchronized_op(sc, LOCK_HELD);
9451         return (rc);
9452 }
9453 #endif
9454
9455 static int
9456 get_sge_context(struct adapter *sc, struct t4_sge_context *cntxt)
9457 {
9458         int rc;
9459
9460         if (cntxt->cid > M_CTXTQID)
9461                 return (EINVAL);
9462
9463         if (cntxt->mem_id != CTXT_EGRESS && cntxt->mem_id != CTXT_INGRESS &&
9464             cntxt->mem_id != CTXT_FLM && cntxt->mem_id != CTXT_CNM)
9465                 return (EINVAL);
9466
9467         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ctxt");
9468         if (rc)
9469                 return (rc);
9470
9471         if (sc->flags & FW_OK) {
9472                 rc = -t4_sge_ctxt_rd(sc, sc->mbox, cntxt->cid, cntxt->mem_id,
9473                     &cntxt->data[0]);
9474                 if (rc == 0)
9475                         goto done;
9476         }
9477
9478         /*
9479          * Read via firmware failed or wasn't even attempted.  Read directly via
9480          * the backdoor.
9481          */
9482         rc = -t4_sge_ctxt_rd_bd(sc, cntxt->cid, cntxt->mem_id, &cntxt->data[0]);
9483 done:
9484         end_synchronized_op(sc, 0);
9485         return (rc);
9486 }
9487
9488 static int
9489 load_fw(struct adapter *sc, struct t4_data *fw)
9490 {
9491         int rc;
9492         uint8_t *fw_data;
9493
9494         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldfw");
9495         if (rc)
9496                 return (rc);
9497
9498         /*
9499          * The firmware, with the sole exception of the memory parity error
9500          * handler, runs from memory and not flash.  It is almost always safe to
9501          * install a new firmware on a running system.  Just set bit 1 in
9502          * hw.cxgbe.dflags or dev.<nexus>.<n>.dflags first.
9503          */
9504         if (sc->flags & FULL_INIT_DONE &&
9505             (sc->debug_flags & DF_LOAD_FW_ANYTIME) == 0) {
9506                 rc = EBUSY;
9507                 goto done;
9508         }
9509
9510         fw_data = malloc(fw->len, M_CXGBE, M_WAITOK);
9511         if (fw_data == NULL) {
9512                 rc = ENOMEM;
9513                 goto done;
9514         }
9515
9516         rc = copyin(fw->data, fw_data, fw->len);
9517         if (rc == 0)
9518                 rc = -t4_load_fw(sc, fw_data, fw->len);
9519
9520         free(fw_data, M_CXGBE);
9521 done:
9522         end_synchronized_op(sc, 0);
9523         return (rc);
9524 }
9525
9526 static int
9527 load_cfg(struct adapter *sc, struct t4_data *cfg)
9528 {
9529         int rc;
9530         uint8_t *cfg_data = NULL;
9531
9532         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf");
9533         if (rc)
9534                 return (rc);
9535
9536         if (cfg->len == 0) {
9537                 /* clear */
9538                 rc = -t4_load_cfg(sc, NULL, 0);
9539                 goto done;
9540         }
9541
9542         cfg_data = malloc(cfg->len, M_CXGBE, M_WAITOK);
9543         if (cfg_data == NULL) {
9544                 rc = ENOMEM;
9545                 goto done;
9546         }
9547
9548         rc = copyin(cfg->data, cfg_data, cfg->len);
9549         if (rc == 0)
9550                 rc = -t4_load_cfg(sc, cfg_data, cfg->len);
9551
9552         free(cfg_data, M_CXGBE);
9553 done:
9554         end_synchronized_op(sc, 0);
9555         return (rc);
9556 }
9557
9558 static int
9559 load_boot(struct adapter *sc, struct t4_bootrom *br)
9560 {
9561         int rc;
9562         uint8_t *br_data = NULL;
9563         u_int offset;
9564
9565         if (br->len > 1024 * 1024)
9566                 return (EFBIG);
9567
9568         if (br->pf_offset == 0) {
9569                 /* pfidx */
9570                 if (br->pfidx_addr > 7)
9571                         return (EINVAL);
9572                 offset = G_OFFSET(t4_read_reg(sc, PF_REG(br->pfidx_addr,
9573                     A_PCIE_PF_EXPROM_OFST)));
9574         } else if (br->pf_offset == 1) {
9575                 /* offset */
9576                 offset = G_OFFSET(br->pfidx_addr);
9577         } else {
9578                 return (EINVAL);
9579         }
9580
9581         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldbr");
9582         if (rc)
9583                 return (rc);
9584
9585         if (br->len == 0) {
9586                 /* clear */
9587                 rc = -t4_load_boot(sc, NULL, offset, 0);
9588                 goto done;
9589         }
9590
9591         br_data = malloc(br->len, M_CXGBE, M_WAITOK);
9592         if (br_data == NULL) {
9593                 rc = ENOMEM;
9594                 goto done;
9595         }
9596
9597         rc = copyin(br->data, br_data, br->len);
9598         if (rc == 0)
9599                 rc = -t4_load_boot(sc, br_data, offset, br->len);
9600
9601         free(br_data, M_CXGBE);
9602 done:
9603         end_synchronized_op(sc, 0);
9604         return (rc);
9605 }
9606
9607 static int
9608 load_bootcfg(struct adapter *sc, struct t4_data *bc)
9609 {
9610         int rc;
9611         uint8_t *bc_data = NULL;
9612
9613         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf");
9614         if (rc)
9615                 return (rc);
9616
9617         if (bc->len == 0) {
9618                 /* clear */
9619                 rc = -t4_load_bootcfg(sc, NULL, 0);
9620                 goto done;
9621         }
9622
9623         bc_data = malloc(bc->len, M_CXGBE, M_WAITOK);
9624         if (bc_data == NULL) {
9625                 rc = ENOMEM;
9626                 goto done;
9627         }
9628
9629         rc = copyin(bc->data, bc_data, bc->len);
9630         if (rc == 0)
9631                 rc = -t4_load_bootcfg(sc, bc_data, bc->len);
9632
9633         free(bc_data, M_CXGBE);
9634 done:
9635         end_synchronized_op(sc, 0);
9636         return (rc);
9637 }
9638
9639 static int
9640 cudbg_dump(struct adapter *sc, struct t4_cudbg_dump *dump)
9641 {
9642         int rc;
9643         struct cudbg_init *cudbg;
9644         void *handle, *buf;
9645
9646         /* buf is large, don't block if no memory is available */
9647         buf = malloc(dump->len, M_CXGBE, M_NOWAIT | M_ZERO);
9648         if (buf == NULL)
9649                 return (ENOMEM);
9650
9651         handle = cudbg_alloc_handle();
9652         if (handle == NULL) {
9653                 rc = ENOMEM;
9654                 goto done;
9655         }
9656
9657         cudbg = cudbg_get_init(handle);
9658         cudbg->adap = sc;
9659         cudbg->print = (cudbg_print_cb)printf;
9660
9661 #ifndef notyet
9662         device_printf(sc->dev, "%s: wr_flash %u, len %u, data %p.\n",
9663             __func__, dump->wr_flash, dump->len, dump->data);
9664 #endif
9665
9666         if (dump->wr_flash)
9667                 cudbg->use_flash = 1;
9668         MPASS(sizeof(cudbg->dbg_bitmap) == sizeof(dump->bitmap));
9669         memcpy(cudbg->dbg_bitmap, dump->bitmap, sizeof(cudbg->dbg_bitmap));
9670
9671         rc = cudbg_collect(handle, buf, &dump->len);
9672         if (rc != 0)
9673                 goto done;
9674
9675         rc = copyout(buf, dump->data, dump->len);
9676 done:
9677         cudbg_free_handle(handle);
9678         free(buf, M_CXGBE);
9679         return (rc);
9680 }
9681
9682 static void
9683 free_offload_policy(struct t4_offload_policy *op)
9684 {
9685         struct offload_rule *r;
9686         int i;
9687
9688         if (op == NULL)
9689                 return;
9690
9691         r = &op->rule[0];
9692         for (i = 0; i < op->nrules; i++, r++) {
9693                 free(r->bpf_prog.bf_insns, M_CXGBE);
9694         }
9695         free(op->rule, M_CXGBE);
9696         free(op, M_CXGBE);
9697 }
9698
9699 static int
9700 set_offload_policy(struct adapter *sc, struct t4_offload_policy *uop)
9701 {
9702         int i, rc, len;
9703         struct t4_offload_policy *op, *old;
9704         struct bpf_program *bf;
9705         const struct offload_settings *s;
9706         struct offload_rule *r;
9707         void *u;
9708
9709         if (!is_offload(sc))
9710                 return (ENODEV);
9711
9712         if (uop->nrules == 0) {
9713                 /* Delete installed policies. */
9714                 op = NULL;
9715                 goto set_policy;
9716         } if (uop->nrules > 256) { /* arbitrary */
9717                 return (E2BIG);
9718         }
9719
9720         /* Copy userspace offload policy to kernel */
9721         op = malloc(sizeof(*op), M_CXGBE, M_ZERO | M_WAITOK);
9722         op->nrules = uop->nrules;
9723         len = op->nrules * sizeof(struct offload_rule);
9724         op->rule = malloc(len, M_CXGBE, M_ZERO | M_WAITOK);
9725         rc = copyin(uop->rule, op->rule, len);
9726         if (rc) {
9727                 free(op->rule, M_CXGBE);
9728                 free(op, M_CXGBE);
9729                 return (rc);
9730         }
9731
9732         r = &op->rule[0];
9733         for (i = 0; i < op->nrules; i++, r++) {
9734
9735                 /* Validate open_type */
9736                 if (r->open_type != OPEN_TYPE_LISTEN &&
9737                     r->open_type != OPEN_TYPE_ACTIVE &&
9738                     r->open_type != OPEN_TYPE_PASSIVE &&
9739                     r->open_type != OPEN_TYPE_DONTCARE) {
9740 error:
9741                         /*
9742                          * Rules 0 to i have malloc'd filters that need to be
9743                          * freed.  Rules i+1 to nrules have userspace pointers
9744                          * and should be left alone.
9745                          */
9746                         op->nrules = i;
9747                         free_offload_policy(op);
9748                         return (rc);
9749                 }
9750
9751                 /* Validate settings */
9752                 s = &r->settings;
9753                 if ((s->offload != 0 && s->offload != 1) ||
9754                     s->cong_algo < -1 || s->cong_algo > CONG_ALG_HIGHSPEED ||
9755                     s->sched_class < -1 ||
9756                     s->sched_class >= sc->chip_params->nsched_cls) {
9757                         rc = EINVAL;
9758                         goto error;
9759                 }
9760
9761                 bf = &r->bpf_prog;
9762                 u = bf->bf_insns;       /* userspace ptr */
9763                 bf->bf_insns = NULL;
9764                 if (bf->bf_len == 0) {
9765                         /* legal, matches everything */
9766                         continue;
9767                 }
9768                 len = bf->bf_len * sizeof(*bf->bf_insns);
9769                 bf->bf_insns = malloc(len, M_CXGBE, M_ZERO | M_WAITOK);
9770                 rc = copyin(u, bf->bf_insns, len);
9771                 if (rc != 0)
9772                         goto error;
9773
9774                 if (!bpf_validate(bf->bf_insns, bf->bf_len)) {
9775                         rc = EINVAL;
9776                         goto error;
9777                 }
9778         }
9779 set_policy:
9780         rw_wlock(&sc->policy_lock);
9781         old = sc->policy;
9782         sc->policy = op;
9783         rw_wunlock(&sc->policy_lock);
9784         free_offload_policy(old);
9785
9786         return (0);
9787 }
9788
9789 #define MAX_READ_BUF_SIZE (128 * 1024)
9790 static int
9791 read_card_mem(struct adapter *sc, int win, struct t4_mem_range *mr)
9792 {
9793         uint32_t addr, remaining, n;
9794         uint32_t *buf;
9795         int rc;
9796         uint8_t *dst;
9797
9798         rc = validate_mem_range(sc, mr->addr, mr->len);
9799         if (rc != 0)
9800                 return (rc);
9801
9802         buf = malloc(min(mr->len, MAX_READ_BUF_SIZE), M_CXGBE, M_WAITOK);
9803         addr = mr->addr;
9804         remaining = mr->len;
9805         dst = (void *)mr->data;
9806
9807         while (remaining) {
9808                 n = min(remaining, MAX_READ_BUF_SIZE);
9809                 read_via_memwin(sc, 2, addr, buf, n);
9810
9811                 rc = copyout(buf, dst, n);
9812                 if (rc != 0)
9813                         break;
9814
9815                 dst += n;
9816                 remaining -= n;
9817                 addr += n;
9818         }
9819
9820         free(buf, M_CXGBE);
9821         return (rc);
9822 }
9823 #undef MAX_READ_BUF_SIZE
9824
9825 static int
9826 read_i2c(struct adapter *sc, struct t4_i2c_data *i2cd)
9827 {
9828         int rc;
9829
9830         if (i2cd->len == 0 || i2cd->port_id >= sc->params.nports)
9831                 return (EINVAL);
9832
9833         if (i2cd->len > sizeof(i2cd->data))
9834                 return (EFBIG);
9835
9836         rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4i2crd");
9837         if (rc)
9838                 return (rc);
9839         rc = -t4_i2c_rd(sc, sc->mbox, i2cd->port_id, i2cd->dev_addr,
9840             i2cd->offset, i2cd->len, &i2cd->data[0]);
9841         end_synchronized_op(sc, 0);
9842
9843         return (rc);
9844 }
9845
9846 int
9847 t4_os_find_pci_capability(struct adapter *sc, int cap)
9848 {
9849         int i;
9850
9851         return (pci_find_cap(sc->dev, cap, &i) == 0 ? i : 0);
9852 }
9853
9854 int
9855 t4_os_pci_save_state(struct adapter *sc)
9856 {
9857         device_t dev;
9858         struct pci_devinfo *dinfo;
9859
9860         dev = sc->dev;
9861         dinfo = device_get_ivars(dev);
9862
9863         pci_cfg_save(dev, dinfo, 0);
9864         return (0);
9865 }
9866
9867 int
9868 t4_os_pci_restore_state(struct adapter *sc)
9869 {
9870         device_t dev;
9871         struct pci_devinfo *dinfo;
9872
9873         dev = sc->dev;
9874         dinfo = device_get_ivars(dev);
9875
9876         pci_cfg_restore(dev, dinfo);
9877         return (0);
9878 }
9879
9880 void
9881 t4_os_portmod_changed(struct port_info *pi)
9882 {
9883         struct adapter *sc = pi->adapter;
9884         struct vi_info *vi;
9885         struct ifnet *ifp;
9886         static const char *mod_str[] = {
9887                 NULL, "LR", "SR", "ER", "TWINAX", "active TWINAX", "LRM"
9888         };
9889
9890         KASSERT((pi->flags & FIXED_IFMEDIA) == 0,
9891             ("%s: port_type %u", __func__, pi->port_type));
9892
9893         vi = &pi->vi[0];
9894         if (begin_synchronized_op(sc, vi, HOLD_LOCK, "t4mod") == 0) {
9895                 PORT_LOCK(pi);
9896                 build_medialist(pi);
9897                 if (pi->mod_type != FW_PORT_MOD_TYPE_NONE) {
9898                         fixup_link_config(pi);
9899                         apply_link_config(pi);
9900                 }
9901                 PORT_UNLOCK(pi);
9902                 end_synchronized_op(sc, LOCK_HELD);
9903         }
9904
9905         ifp = vi->ifp;
9906         if (pi->mod_type == FW_PORT_MOD_TYPE_NONE)
9907                 if_printf(ifp, "transceiver unplugged.\n");
9908         else if (pi->mod_type == FW_PORT_MOD_TYPE_UNKNOWN)
9909                 if_printf(ifp, "unknown transceiver inserted.\n");
9910         else if (pi->mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED)
9911                 if_printf(ifp, "unsupported transceiver inserted.\n");
9912         else if (pi->mod_type > 0 && pi->mod_type < nitems(mod_str)) {
9913                 if_printf(ifp, "%dGbps %s transceiver inserted.\n",
9914                     port_top_speed(pi), mod_str[pi->mod_type]);
9915         } else {
9916                 if_printf(ifp, "transceiver (type %d) inserted.\n",
9917                     pi->mod_type);
9918         }
9919 }
9920
9921 void
9922 t4_os_link_changed(struct port_info *pi)
9923 {
9924         struct vi_info *vi;
9925         struct ifnet *ifp;
9926         struct link_config *lc;
9927         int v;
9928
9929         PORT_LOCK_ASSERT_OWNED(pi);
9930
9931         for_each_vi(pi, v, vi) {
9932                 ifp = vi->ifp;
9933                 if (ifp == NULL)
9934                         continue;
9935
9936                 lc = &pi->link_cfg;
9937                 if (lc->link_ok) {
9938                         ifp->if_baudrate = IF_Mbps(lc->speed);
9939                         if_link_state_change(ifp, LINK_STATE_UP);
9940                 } else {
9941                         if_link_state_change(ifp, LINK_STATE_DOWN);
9942                 }
9943         }
9944 }
9945
9946 void
9947 t4_iterate(void (*func)(struct adapter *, void *), void *arg)
9948 {
9949         struct adapter *sc;
9950
9951         sx_slock(&t4_list_lock);
9952         SLIST_FOREACH(sc, &t4_list, link) {
9953                 /*
9954                  * func should not make any assumptions about what state sc is
9955                  * in - the only guarantee is that sc->sc_lock is a valid lock.
9956                  */
9957                 func(sc, arg);
9958         }
9959         sx_sunlock(&t4_list_lock);
9960 }
9961
9962 static int
9963 t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag,
9964     struct thread *td)
9965 {
9966         int rc;
9967         struct adapter *sc = dev->si_drv1;
9968
9969         rc = priv_check(td, PRIV_DRIVER);
9970         if (rc != 0)
9971                 return (rc);
9972
9973         switch (cmd) {
9974         case CHELSIO_T4_GETREG: {
9975                 struct t4_reg *edata = (struct t4_reg *)data;
9976
9977                 if ((edata->addr & 0x3) != 0 || edata->addr >= sc->mmio_len)
9978                         return (EFAULT);
9979
9980                 if (edata->size == 4)
9981                         edata->val = t4_read_reg(sc, edata->addr);
9982                 else if (edata->size == 8)
9983                         edata->val = t4_read_reg64(sc, edata->addr);
9984                 else
9985                         return (EINVAL);
9986
9987                 break;
9988         }
9989         case CHELSIO_T4_SETREG: {
9990                 struct t4_reg *edata = (struct t4_reg *)data;
9991
9992                 if ((edata->addr & 0x3) != 0 || edata->addr >= sc->mmio_len)
9993                         return (EFAULT);
9994
9995                 if (edata->size == 4) {
9996                         if (edata->val & 0xffffffff00000000)
9997                                 return (EINVAL);
9998                         t4_write_reg(sc, edata->addr, (uint32_t) edata->val);
9999                 } else if (edata->size == 8)
10000                         t4_write_reg64(sc, edata->addr, edata->val);
10001                 else
10002                         return (EINVAL);
10003                 break;
10004         }
10005         case CHELSIO_T4_REGDUMP: {
10006                 struct t4_regdump *regs = (struct t4_regdump *)data;
10007                 int reglen = t4_get_regs_len(sc);
10008                 uint8_t *buf;
10009
10010                 if (regs->len < reglen) {
10011                         regs->len = reglen; /* hint to the caller */
10012                         return (ENOBUFS);
10013                 }
10014
10015                 regs->len = reglen;
10016                 buf = malloc(reglen, M_CXGBE, M_WAITOK | M_ZERO);
10017                 get_regs(sc, regs, buf);
10018                 rc = copyout(buf, regs->data, reglen);
10019                 free(buf, M_CXGBE);
10020                 break;
10021         }
10022         case CHELSIO_T4_GET_FILTER_MODE:
10023                 rc = get_filter_mode(sc, (uint32_t *)data);
10024                 break;
10025         case CHELSIO_T4_SET_FILTER_MODE:
10026                 rc = set_filter_mode(sc, *(uint32_t *)data);
10027                 break;
10028         case CHELSIO_T4_GET_FILTER:
10029                 rc = get_filter(sc, (struct t4_filter *)data);
10030                 break;
10031         case CHELSIO_T4_SET_FILTER:
10032                 rc = set_filter(sc, (struct t4_filter *)data);
10033                 break;
10034         case CHELSIO_T4_DEL_FILTER:
10035                 rc = del_filter(sc, (struct t4_filter *)data);
10036                 break;
10037         case CHELSIO_T4_GET_SGE_CONTEXT:
10038                 rc = get_sge_context(sc, (struct t4_sge_context *)data);
10039                 break;
10040         case CHELSIO_T4_LOAD_FW:
10041                 rc = load_fw(sc, (struct t4_data *)data);
10042                 break;
10043         case CHELSIO_T4_GET_MEM:
10044                 rc = read_card_mem(sc, 2, (struct t4_mem_range *)data);
10045                 break;
10046         case CHELSIO_T4_GET_I2C:
10047                 rc = read_i2c(sc, (struct t4_i2c_data *)data);
10048                 break;
10049         case CHELSIO_T4_CLEAR_STATS: {
10050                 int i, v, bg_map;
10051                 u_int port_id = *(uint32_t *)data;
10052                 struct port_info *pi;
10053                 struct vi_info *vi;
10054
10055                 if (port_id >= sc->params.nports)
10056                         return (EINVAL);
10057                 pi = sc->port[port_id];
10058                 if (pi == NULL)
10059                         return (EIO);
10060
10061                 /* MAC stats */
10062                 t4_clr_port_stats(sc, pi->tx_chan);
10063                 pi->tx_parse_error = 0;
10064                 pi->tnl_cong_drops = 0;
10065                 mtx_lock(&sc->reg_lock);
10066                 for_each_vi(pi, v, vi) {
10067                         if (vi->flags & VI_INIT_DONE)
10068                                 t4_clr_vi_stats(sc, vi->vin);
10069                 }
10070                 bg_map = pi->mps_bg_map;
10071                 v = 0;  /* reuse */
10072                 while (bg_map) {
10073                         i = ffs(bg_map) - 1;
10074                         t4_write_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v,
10075                             1, A_TP_MIB_TNL_CNG_DROP_0 + i);
10076                         bg_map &= ~(1 << i);
10077                 }
10078                 mtx_unlock(&sc->reg_lock);
10079
10080                 /*
10081                  * Since this command accepts a port, clear stats for
10082                  * all VIs on this port.
10083                  */
10084                 for_each_vi(pi, v, vi) {
10085                         if (vi->flags & VI_INIT_DONE) {
10086                                 struct sge_rxq *rxq;
10087                                 struct sge_txq *txq;
10088                                 struct sge_wrq *wrq;
10089
10090                                 for_each_rxq(vi, i, rxq) {
10091 #if defined(INET) || defined(INET6)
10092                                         rxq->lro.lro_queued = 0;
10093                                         rxq->lro.lro_flushed = 0;
10094 #endif
10095                                         rxq->rxcsum = 0;
10096                                         rxq->vlan_extraction = 0;
10097                                 }
10098
10099                                 for_each_txq(vi, i, txq) {
10100                                         txq->txcsum = 0;
10101                                         txq->tso_wrs = 0;
10102                                         txq->vlan_insertion = 0;
10103                                         txq->imm_wrs = 0;
10104                                         txq->sgl_wrs = 0;
10105                                         txq->txpkt_wrs = 0;
10106                                         txq->txpkts0_wrs = 0;
10107                                         txq->txpkts1_wrs = 0;
10108                                         txq->txpkts0_pkts = 0;
10109                                         txq->txpkts1_pkts = 0;
10110                                         txq->raw_wrs = 0;
10111                                         mp_ring_reset_stats(txq->r);
10112                                 }
10113
10114 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
10115                                 /* nothing to clear for each ofld_rxq */
10116
10117                                 for_each_ofld_txq(vi, i, wrq) {
10118                                         wrq->tx_wrs_direct = 0;
10119                                         wrq->tx_wrs_copied = 0;
10120                                 }
10121 #endif
10122
10123                                 if (IS_MAIN_VI(vi)) {
10124                                         wrq = &sc->sge.ctrlq[pi->port_id];
10125                                         wrq->tx_wrs_direct = 0;
10126                                         wrq->tx_wrs_copied = 0;
10127                                 }
10128                         }
10129                 }
10130                 break;
10131         }
10132         case CHELSIO_T4_SCHED_CLASS:
10133                 rc = t4_set_sched_class(sc, (struct t4_sched_params *)data);
10134                 break;
10135         case CHELSIO_T4_SCHED_QUEUE:
10136                 rc = t4_set_sched_queue(sc, (struct t4_sched_queue *)data);
10137                 break;
10138         case CHELSIO_T4_GET_TRACER:
10139                 rc = t4_get_tracer(sc, (struct t4_tracer *)data);
10140                 break;
10141         case CHELSIO_T4_SET_TRACER:
10142                 rc = t4_set_tracer(sc, (struct t4_tracer *)data);
10143                 break;
10144         case CHELSIO_T4_LOAD_CFG:
10145                 rc = load_cfg(sc, (struct t4_data *)data);
10146                 break;
10147         case CHELSIO_T4_LOAD_BOOT:
10148                 rc = load_boot(sc, (struct t4_bootrom *)data);
10149                 break;
10150         case CHELSIO_T4_LOAD_BOOTCFG:
10151                 rc = load_bootcfg(sc, (struct t4_data *)data);
10152                 break;
10153         case CHELSIO_T4_CUDBG_DUMP:
10154                 rc = cudbg_dump(sc, (struct t4_cudbg_dump *)data);
10155                 break;
10156         case CHELSIO_T4_SET_OFLD_POLICY:
10157                 rc = set_offload_policy(sc, (struct t4_offload_policy *)data);
10158                 break;
10159         default:
10160                 rc = ENOTTY;
10161         }
10162
10163         return (rc);
10164 }
10165
10166 #ifdef TCP_OFFLOAD
10167 static int
10168 toe_capability(struct vi_info *vi, int enable)
10169 {
10170         int rc;
10171         struct port_info *pi = vi->pi;
10172         struct adapter *sc = pi->adapter;
10173
10174         ASSERT_SYNCHRONIZED_OP(sc);
10175
10176         if (!is_offload(sc))
10177                 return (ENODEV);
10178
10179         if (enable) {
10180                 if ((vi->ifp->if_capenable & IFCAP_TOE) != 0) {
10181                         /* TOE is already enabled. */
10182                         return (0);
10183                 }
10184
10185                 /*
10186                  * We need the port's queues around so that we're able to send
10187                  * and receive CPLs to/from the TOE even if the ifnet for this
10188                  * port has never been UP'd administratively.
10189                  */
10190                 if (!(vi->flags & VI_INIT_DONE)) {
10191                         rc = vi_full_init(vi);
10192                         if (rc)
10193                                 return (rc);
10194                 }
10195                 if (!(pi->vi[0].flags & VI_INIT_DONE)) {
10196                         rc = vi_full_init(&pi->vi[0]);
10197                         if (rc)
10198                                 return (rc);
10199                 }
10200
10201                 if (isset(&sc->offload_map, pi->port_id)) {
10202                         /* TOE is enabled on another VI of this port. */
10203                         pi->uld_vis++;
10204                         return (0);
10205                 }
10206
10207                 if (!uld_active(sc, ULD_TOM)) {
10208                         rc = t4_activate_uld(sc, ULD_TOM);
10209                         if (rc == EAGAIN) {
10210                                 log(LOG_WARNING,
10211                                     "You must kldload t4_tom.ko before trying "
10212                                     "to enable TOE on a cxgbe interface.\n");
10213                         }
10214                         if (rc != 0)
10215                                 return (rc);
10216                         KASSERT(sc->tom_softc != NULL,
10217                             ("%s: TOM activated but softc NULL", __func__));
10218                         KASSERT(uld_active(sc, ULD_TOM),
10219                             ("%s: TOM activated but flag not set", __func__));
10220                 }
10221
10222                 /* Activate iWARP and iSCSI too, if the modules are loaded. */
10223                 if (!uld_active(sc, ULD_IWARP))
10224                         (void) t4_activate_uld(sc, ULD_IWARP);
10225                 if (!uld_active(sc, ULD_ISCSI))
10226                         (void) t4_activate_uld(sc, ULD_ISCSI);
10227
10228                 pi->uld_vis++;
10229                 setbit(&sc->offload_map, pi->port_id);
10230         } else {
10231                 pi->uld_vis--;
10232
10233                 if (!isset(&sc->offload_map, pi->port_id) || pi->uld_vis > 0)
10234                         return (0);
10235
10236                 KASSERT(uld_active(sc, ULD_TOM),
10237                     ("%s: TOM never initialized?", __func__));
10238                 clrbit(&sc->offload_map, pi->port_id);
10239         }
10240
10241         return (0);
10242 }
10243
10244 /*
10245  * Add an upper layer driver to the global list.
10246  */
10247 int
10248 t4_register_uld(struct uld_info *ui)
10249 {
10250         int rc = 0;
10251         struct uld_info *u;
10252
10253         sx_xlock(&t4_uld_list_lock);
10254         SLIST_FOREACH(u, &t4_uld_list, link) {
10255             if (u->uld_id == ui->uld_id) {
10256                     rc = EEXIST;
10257                     goto done;
10258             }
10259         }
10260
10261         SLIST_INSERT_HEAD(&t4_uld_list, ui, link);
10262         ui->refcount = 0;
10263 done:
10264         sx_xunlock(&t4_uld_list_lock);
10265         return (rc);
10266 }
10267
10268 int
10269 t4_unregister_uld(struct uld_info *ui)
10270 {
10271         int rc = EINVAL;
10272         struct uld_info *u;
10273
10274         sx_xlock(&t4_uld_list_lock);
10275
10276         SLIST_FOREACH(u, &t4_uld_list, link) {
10277             if (u == ui) {
10278                     if (ui->refcount > 0) {
10279                             rc = EBUSY;
10280                             goto done;
10281                     }
10282
10283                     SLIST_REMOVE(&t4_uld_list, ui, uld_info, link);
10284                     rc = 0;
10285                     goto done;
10286             }
10287         }
10288 done:
10289         sx_xunlock(&t4_uld_list_lock);
10290         return (rc);
10291 }
10292
10293 int
10294 t4_activate_uld(struct adapter *sc, int id)
10295 {
10296         int rc;
10297         struct uld_info *ui;
10298
10299         ASSERT_SYNCHRONIZED_OP(sc);
10300
10301         if (id < 0 || id > ULD_MAX)
10302                 return (EINVAL);
10303         rc = EAGAIN;    /* kldoad the module with this ULD and try again. */
10304
10305         sx_slock(&t4_uld_list_lock);
10306
10307         SLIST_FOREACH(ui, &t4_uld_list, link) {
10308                 if (ui->uld_id == id) {
10309                         if (!(sc->flags & FULL_INIT_DONE)) {
10310                                 rc = adapter_full_init(sc);
10311                                 if (rc != 0)
10312                                         break;
10313                         }
10314
10315                         rc = ui->activate(sc);
10316                         if (rc == 0) {
10317                                 setbit(&sc->active_ulds, id);
10318                                 ui->refcount++;
10319                         }
10320                         break;
10321                 }
10322         }
10323
10324         sx_sunlock(&t4_uld_list_lock);
10325
10326         return (rc);
10327 }
10328
10329 int
10330 t4_deactivate_uld(struct adapter *sc, int id)
10331 {
10332         int rc;
10333         struct uld_info *ui;
10334
10335         ASSERT_SYNCHRONIZED_OP(sc);
10336
10337         if (id < 0 || id > ULD_MAX)
10338                 return (EINVAL);
10339         rc = ENXIO;
10340
10341         sx_slock(&t4_uld_list_lock);
10342
10343         SLIST_FOREACH(ui, &t4_uld_list, link) {
10344                 if (ui->uld_id == id) {
10345                         rc = ui->deactivate(sc);
10346                         if (rc == 0) {
10347                                 clrbit(&sc->active_ulds, id);
10348                                 ui->refcount--;
10349                         }
10350                         break;
10351                 }
10352         }
10353
10354         sx_sunlock(&t4_uld_list_lock);
10355
10356         return (rc);
10357 }
10358
10359 int
10360 uld_active(struct adapter *sc, int uld_id)
10361 {
10362
10363         MPASS(uld_id >= 0 && uld_id <= ULD_MAX);
10364
10365         return (isset(&sc->active_ulds, uld_id));
10366 }
10367 #endif
10368
10369 /*
10370  * t  = ptr to tunable.
10371  * nc = number of CPUs.
10372  * c  = compiled in default for that tunable.
10373  */
10374 static void
10375 calculate_nqueues(int *t, int nc, const int c)
10376 {
10377         int nq;
10378
10379         if (*t > 0)
10380                 return;
10381         nq = *t < 0 ? -*t : c;
10382         *t = min(nc, nq);
10383 }
10384
10385 /*
10386  * Come up with reasonable defaults for some of the tunables, provided they're
10387  * not set by the user (in which case we'll use the values as is).
10388  */
10389 static void
10390 tweak_tunables(void)
10391 {
10392         int nc = mp_ncpus;      /* our snapshot of the number of CPUs */
10393
10394         if (t4_ntxq < 1) {
10395 #ifdef RSS
10396                 t4_ntxq = rss_getnumbuckets();
10397 #else
10398                 calculate_nqueues(&t4_ntxq, nc, NTXQ);
10399 #endif
10400         }
10401
10402         calculate_nqueues(&t4_ntxq_vi, nc, NTXQ_VI);
10403
10404         if (t4_nrxq < 1) {
10405 #ifdef RSS
10406                 t4_nrxq = rss_getnumbuckets();
10407 #else
10408                 calculate_nqueues(&t4_nrxq, nc, NRXQ);
10409 #endif
10410         }
10411
10412         calculate_nqueues(&t4_nrxq_vi, nc, NRXQ_VI);
10413
10414 #if defined(TCP_OFFLOAD) || defined(RATELIMIT)
10415         calculate_nqueues(&t4_nofldtxq, nc, NOFLDTXQ);
10416         calculate_nqueues(&t4_nofldtxq_vi, nc, NOFLDTXQ_VI);
10417 #endif
10418 #ifdef TCP_OFFLOAD
10419         calculate_nqueues(&t4_nofldrxq, nc, NOFLDRXQ);
10420         calculate_nqueues(&t4_nofldrxq_vi, nc, NOFLDRXQ_VI);
10421
10422         if (t4_toecaps_allowed == -1)
10423                 t4_toecaps_allowed = FW_CAPS_CONFIG_TOE;
10424
10425         if (t4_rdmacaps_allowed == -1) {
10426                 t4_rdmacaps_allowed = FW_CAPS_CONFIG_RDMA_RDDP |
10427                     FW_CAPS_CONFIG_RDMA_RDMAC;
10428         }
10429
10430         if (t4_iscsicaps_allowed == -1) {
10431                 t4_iscsicaps_allowed = FW_CAPS_CONFIG_ISCSI_INITIATOR_PDU |
10432                     FW_CAPS_CONFIG_ISCSI_TARGET_PDU |
10433                     FW_CAPS_CONFIG_ISCSI_T10DIF;
10434         }
10435
10436         if (t4_tmr_idx_ofld < 0 || t4_tmr_idx_ofld >= SGE_NTIMERS)
10437                 t4_tmr_idx_ofld = TMR_IDX_OFLD;
10438
10439         if (t4_pktc_idx_ofld < -1 || t4_pktc_idx_ofld >= SGE_NCOUNTERS)
10440                 t4_pktc_idx_ofld = PKTC_IDX_OFLD;
10441 #else
10442         if (t4_toecaps_allowed == -1)
10443                 t4_toecaps_allowed = 0;
10444
10445         if (t4_rdmacaps_allowed == -1)
10446                 t4_rdmacaps_allowed = 0;
10447
10448         if (t4_iscsicaps_allowed == -1)
10449                 t4_iscsicaps_allowed = 0;
10450 #endif
10451
10452 #ifdef DEV_NETMAP
10453         calculate_nqueues(&t4_nnmtxq_vi, nc, NNMTXQ_VI);
10454         calculate_nqueues(&t4_nnmrxq_vi, nc, NNMRXQ_VI);
10455 #endif
10456
10457         if (t4_tmr_idx < 0 || t4_tmr_idx >= SGE_NTIMERS)
10458                 t4_tmr_idx = TMR_IDX;
10459
10460         if (t4_pktc_idx < -1 || t4_pktc_idx >= SGE_NCOUNTERS)
10461                 t4_pktc_idx = PKTC_IDX;
10462
10463         if (t4_qsize_txq < 128)
10464                 t4_qsize_txq = 128;
10465
10466         if (t4_qsize_rxq < 128)
10467                 t4_qsize_rxq = 128;
10468         while (t4_qsize_rxq & 7)
10469                 t4_qsize_rxq++;
10470
10471         t4_intr_types &= INTR_MSIX | INTR_MSI | INTR_INTX;
10472
10473         /*
10474          * Number of VIs to create per-port.  The first VI is the "main" regular
10475          * VI for the port.  The rest are additional virtual interfaces on the
10476          * same physical port.  Note that the main VI does not have native
10477          * netmap support but the extra VIs do.
10478          *
10479          * Limit the number of VIs per port to the number of available
10480          * MAC addresses per port.
10481          */
10482         if (t4_num_vis < 1)
10483                 t4_num_vis = 1;
10484         if (t4_num_vis > nitems(vi_mac_funcs)) {
10485                 t4_num_vis = nitems(vi_mac_funcs);
10486                 printf("cxgbe: number of VIs limited to %d\n", t4_num_vis);
10487         }
10488
10489         if (pcie_relaxed_ordering < 0 || pcie_relaxed_ordering > 2) {
10490                 pcie_relaxed_ordering = 1;
10491 #if defined(__i386__) || defined(__amd64__)
10492                 if (cpu_vendor_id == CPU_VENDOR_INTEL)
10493                         pcie_relaxed_ordering = 0;
10494 #endif
10495         }
10496 }
10497
10498 #ifdef DDB
10499 static void
10500 t4_dump_tcb(struct adapter *sc, int tid)
10501 {
10502         uint32_t base, i, j, off, pf, reg, save, tcb_addr, win_pos;
10503
10504         reg = PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 2);
10505         save = t4_read_reg(sc, reg);
10506         base = sc->memwin[2].mw_base;
10507
10508         /* Dump TCB for the tid */
10509         tcb_addr = t4_read_reg(sc, A_TP_CMM_TCB_BASE);
10510         tcb_addr += tid * TCB_SIZE;
10511
10512         if (is_t4(sc)) {
10513                 pf = 0;
10514                 win_pos = tcb_addr & ~0xf;      /* start must be 16B aligned */
10515         } else {
10516                 pf = V_PFNUM(sc->pf);
10517                 win_pos = tcb_addr & ~0x7f;     /* start must be 128B aligned */
10518         }
10519         t4_write_reg(sc, reg, win_pos | pf);
10520         t4_read_reg(sc, reg);
10521
10522         off = tcb_addr - win_pos;
10523         for (i = 0; i < 4; i++) {
10524                 uint32_t buf[8];
10525                 for (j = 0; j < 8; j++, off += 4)
10526                         buf[j] = htonl(t4_read_reg(sc, base + off));
10527
10528                 db_printf("%08x %08x %08x %08x %08x %08x %08x %08x\n",
10529                     buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
10530                     buf[7]);
10531         }
10532
10533         t4_write_reg(sc, reg, save);
10534         t4_read_reg(sc, reg);
10535 }
10536
10537 static void
10538 t4_dump_devlog(struct adapter *sc)
10539 {
10540         struct devlog_params *dparams = &sc->params.devlog;
10541         struct fw_devlog_e e;
10542         int i, first, j, m, nentries, rc;
10543         uint64_t ftstamp = UINT64_MAX;
10544
10545         if (dparams->start == 0) {
10546                 db_printf("devlog params not valid\n");
10547                 return;
10548         }
10549
10550         nentries = dparams->size / sizeof(struct fw_devlog_e);
10551         m = fwmtype_to_hwmtype(dparams->memtype);
10552
10553         /* Find the first entry. */
10554         first = -1;
10555         for (i = 0; i < nentries && !db_pager_quit; i++) {
10556                 rc = -t4_mem_read(sc, m, dparams->start + i * sizeof(e),
10557                     sizeof(e), (void *)&e);
10558                 if (rc != 0)
10559                         break;
10560
10561                 if (e.timestamp == 0)
10562                         break;
10563
10564                 e.timestamp = be64toh(e.timestamp);
10565                 if (e.timestamp < ftstamp) {
10566                         ftstamp = e.timestamp;
10567                         first = i;
10568                 }
10569         }
10570
10571         if (first == -1)
10572                 return;
10573
10574         i = first;
10575         do {
10576                 rc = -t4_mem_read(sc, m, dparams->start + i * sizeof(e),
10577                     sizeof(e), (void *)&e);
10578                 if (rc != 0)
10579                         return;
10580
10581                 if (e.timestamp == 0)
10582                         return;
10583
10584                 e.timestamp = be64toh(e.timestamp);
10585                 e.seqno = be32toh(e.seqno);
10586                 for (j = 0; j < 8; j++)
10587                         e.params[j] = be32toh(e.params[j]);
10588
10589                 db_printf("%10d  %15ju  %8s  %8s  ",
10590                     e.seqno, e.timestamp,
10591                     (e.level < nitems(devlog_level_strings) ?
10592                         devlog_level_strings[e.level] : "UNKNOWN"),
10593                     (e.facility < nitems(devlog_facility_strings) ?
10594                         devlog_facility_strings[e.facility] : "UNKNOWN"));
10595                 db_printf(e.fmt, e.params[0], e.params[1], e.params[2],
10596                     e.params[3], e.params[4], e.params[5], e.params[6],
10597                     e.params[7]);
10598
10599                 if (++i == nentries)
10600                         i = 0;
10601         } while (i != first && !db_pager_quit);
10602 }
10603
10604 static struct command_table db_t4_table = LIST_HEAD_INITIALIZER(db_t4_table);
10605 _DB_SET(_show, t4, NULL, db_show_table, 0, &db_t4_table);
10606
10607 DB_FUNC(devlog, db_show_devlog, db_t4_table, CS_OWN, NULL)
10608 {
10609         device_t dev;
10610         int t;
10611         bool valid;
10612
10613         valid = false;
10614         t = db_read_token();
10615         if (t == tIDENT) {
10616                 dev = device_lookup_by_name(db_tok_string);
10617                 valid = true;
10618         }
10619         db_skip_to_eol();
10620         if (!valid) {
10621                 db_printf("usage: show t4 devlog <nexus>\n");
10622                 return;
10623         }
10624
10625         if (dev == NULL) {
10626                 db_printf("device not found\n");
10627                 return;
10628         }
10629
10630         t4_dump_devlog(device_get_softc(dev));
10631 }
10632
10633 DB_FUNC(tcb, db_show_t4tcb, db_t4_table, CS_OWN, NULL)
10634 {
10635         device_t dev;
10636         int radix, tid, t;
10637         bool valid;
10638
10639         valid = false;
10640         radix = db_radix;
10641         db_radix = 10;
10642         t = db_read_token();
10643         if (t == tIDENT) {
10644                 dev = device_lookup_by_name(db_tok_string);
10645                 t = db_read_token();
10646                 if (t == tNUMBER) {
10647                         tid = db_tok_number;
10648                         valid = true;
10649                 }
10650         }       
10651         db_radix = radix;
10652         db_skip_to_eol();
10653         if (!valid) {
10654                 db_printf("usage: show t4 tcb <nexus> <tid>\n");
10655                 return;
10656         }
10657
10658         if (dev == NULL) {
10659                 db_printf("device not found\n");
10660                 return;
10661         }
10662         if (tid < 0) {
10663                 db_printf("invalid tid\n");
10664                 return;
10665         }
10666
10667         t4_dump_tcb(device_get_softc(dev), tid);
10668 }
10669 #endif
10670
10671 /*
10672  * Borrowed from cesa_prep_aes_key().
10673  *
10674  * NB: The crypto engine wants the words in the decryption key in reverse
10675  * order.
10676  */
10677 void
10678 t4_aes_getdeckey(void *dec_key, const void *enc_key, unsigned int kbits)
10679 {
10680         uint32_t ek[4 * (RIJNDAEL_MAXNR + 1)];
10681         uint32_t *dkey;
10682         int i;
10683
10684         rijndaelKeySetupEnc(ek, enc_key, kbits);
10685         dkey = dec_key;
10686         dkey += (kbits / 8) / 4;
10687
10688         switch (kbits) {
10689         case 128:
10690                 for (i = 0; i < 4; i++)
10691                         *--dkey = htobe32(ek[4 * 10 + i]);
10692                 break;
10693         case 192:
10694                 for (i = 0; i < 2; i++)
10695                         *--dkey = htobe32(ek[4 * 11 + 2 + i]);
10696                 for (i = 0; i < 4; i++)
10697                         *--dkey = htobe32(ek[4 * 12 + i]);
10698                 break;
10699         case 256:
10700                 for (i = 0; i < 4; i++)
10701                         *--dkey = htobe32(ek[4 * 13 + i]);
10702                 for (i = 0; i < 4; i++)
10703                         *--dkey = htobe32(ek[4 * 14 + i]);
10704                 break;
10705         }
10706         MPASS(dkey == dec_key);
10707 }
10708
10709 static struct sx mlu;   /* mod load unload */
10710 SX_SYSINIT(cxgbe_mlu, &mlu, "cxgbe mod load/unload");
10711
10712 static int
10713 mod_event(module_t mod, int cmd, void *arg)
10714 {
10715         int rc = 0;
10716         static int loaded = 0;
10717
10718         switch (cmd) {
10719         case MOD_LOAD:
10720                 sx_xlock(&mlu);
10721                 if (loaded++ == 0) {
10722                         t4_sge_modload();
10723                         t4_register_shared_cpl_handler(CPL_SET_TCB_RPL,
10724                             t4_filter_rpl, CPL_COOKIE_FILTER);
10725                         t4_register_shared_cpl_handler(CPL_L2T_WRITE_RPL,
10726                             do_l2t_write_rpl, CPL_COOKIE_FILTER);
10727                         t4_register_shared_cpl_handler(CPL_ACT_OPEN_RPL,
10728                             t4_hashfilter_ao_rpl, CPL_COOKIE_HASHFILTER);
10729                         t4_register_shared_cpl_handler(CPL_SET_TCB_RPL,
10730                             t4_hashfilter_tcb_rpl, CPL_COOKIE_HASHFILTER);
10731                         t4_register_shared_cpl_handler(CPL_ABORT_RPL_RSS,
10732                             t4_del_hashfilter_rpl, CPL_COOKIE_HASHFILTER);
10733                         t4_register_cpl_handler(CPL_TRACE_PKT, t4_trace_pkt);
10734                         t4_register_cpl_handler(CPL_T5_TRACE_PKT, t5_trace_pkt);
10735                         t4_register_cpl_handler(CPL_SMT_WRITE_RPL,
10736                             do_smt_write_rpl);
10737                         sx_init(&t4_list_lock, "T4/T5 adapters");
10738                         SLIST_INIT(&t4_list);
10739                         callout_init(&fatal_callout, 1);
10740 #ifdef TCP_OFFLOAD
10741                         sx_init(&t4_uld_list_lock, "T4/T5 ULDs");
10742                         SLIST_INIT(&t4_uld_list);
10743 #endif
10744 #ifdef INET6
10745                         t4_clip_modload();
10746 #endif
10747                         t4_tracer_modload();
10748                         tweak_tunables();
10749                 }
10750                 sx_xunlock(&mlu);
10751                 break;
10752
10753         case MOD_UNLOAD:
10754                 sx_xlock(&mlu);
10755                 if (--loaded == 0) {
10756                         int tries;
10757
10758                         sx_slock(&t4_list_lock);
10759                         if (!SLIST_EMPTY(&t4_list)) {
10760                                 rc = EBUSY;
10761                                 sx_sunlock(&t4_list_lock);
10762                                 goto done_unload;
10763                         }
10764 #ifdef TCP_OFFLOAD
10765                         sx_slock(&t4_uld_list_lock);
10766                         if (!SLIST_EMPTY(&t4_uld_list)) {
10767                                 rc = EBUSY;
10768                                 sx_sunlock(&t4_uld_list_lock);
10769                                 sx_sunlock(&t4_list_lock);
10770                                 goto done_unload;
10771                         }
10772 #endif
10773                         tries = 0;
10774                         while (tries++ < 5 && t4_sge_extfree_refs() != 0) {
10775                                 uprintf("%ju clusters with custom free routine "
10776                                     "still is use.\n", t4_sge_extfree_refs());
10777                                 pause("t4unload", 2 * hz);
10778                         }
10779 #ifdef TCP_OFFLOAD
10780                         sx_sunlock(&t4_uld_list_lock);
10781 #endif
10782                         sx_sunlock(&t4_list_lock);
10783
10784                         if (t4_sge_extfree_refs() == 0) {
10785                                 t4_tracer_modunload();
10786 #ifdef INET6
10787                                 t4_clip_modunload();
10788 #endif
10789 #ifdef TCP_OFFLOAD
10790                                 sx_destroy(&t4_uld_list_lock);
10791 #endif
10792                                 sx_destroy(&t4_list_lock);
10793                                 t4_sge_modunload();
10794                                 loaded = 0;
10795                         } else {
10796                                 rc = EBUSY;
10797                                 loaded++;       /* undo earlier decrement */
10798                         }
10799                 }
10800 done_unload:
10801                 sx_xunlock(&mlu);
10802                 break;
10803         }
10804
10805         return (rc);
10806 }
10807
10808 static devclass_t t4_devclass, t5_devclass, t6_devclass;
10809 static devclass_t cxgbe_devclass, cxl_devclass, cc_devclass;
10810 static devclass_t vcxgbe_devclass, vcxl_devclass, vcc_devclass;
10811
10812 DRIVER_MODULE(t4nex, pci, t4_driver, t4_devclass, mod_event, 0);
10813 MODULE_VERSION(t4nex, 1);
10814 MODULE_DEPEND(t4nex, firmware, 1, 1, 1);
10815 #ifdef DEV_NETMAP
10816 MODULE_DEPEND(t4nex, netmap, 1, 1, 1);
10817 #endif /* DEV_NETMAP */
10818
10819 DRIVER_MODULE(t5nex, pci, t5_driver, t5_devclass, mod_event, 0);
10820 MODULE_VERSION(t5nex, 1);
10821 MODULE_DEPEND(t5nex, firmware, 1, 1, 1);
10822 #ifdef DEV_NETMAP
10823 MODULE_DEPEND(t5nex, netmap, 1, 1, 1);
10824 #endif /* DEV_NETMAP */
10825
10826 DRIVER_MODULE(t6nex, pci, t6_driver, t6_devclass, mod_event, 0);
10827 MODULE_VERSION(t6nex, 1);
10828 MODULE_DEPEND(t6nex, firmware, 1, 1, 1);
10829 #ifdef DEV_NETMAP
10830 MODULE_DEPEND(t6nex, netmap, 1, 1, 1);
10831 #endif /* DEV_NETMAP */
10832
10833 DRIVER_MODULE(cxgbe, t4nex, cxgbe_driver, cxgbe_devclass, 0, 0);
10834 MODULE_VERSION(cxgbe, 1);
10835
10836 DRIVER_MODULE(cxl, t5nex, cxl_driver, cxl_devclass, 0, 0);
10837 MODULE_VERSION(cxl, 1);
10838
10839 DRIVER_MODULE(cc, t6nex, cc_driver, cc_devclass, 0, 0);
10840 MODULE_VERSION(cc, 1);
10841
10842 DRIVER_MODULE(vcxgbe, cxgbe, vcxgbe_driver, vcxgbe_devclass, 0, 0);
10843 MODULE_VERSION(vcxgbe, 1);
10844
10845 DRIVER_MODULE(vcxl, cxl, vcxl_driver, vcxl_devclass, 0, 0);
10846 MODULE_VERSION(vcxl, 1);
10847
10848 DRIVER_MODULE(vcc, cc, vcc_driver, vcc_devclass, 0, 0);
10849 MODULE_VERSION(vcc, 1);