1 /******************************************************************************
4 * Project: Gigabit Ethernet Driver for FreeBSD 5.x/6.x
5 * Version: $Revision: 1.23 $
6 * Date : $Date: 2005/12/22 09:04:11 $
7 * Purpose: Main driver source file
9 *****************************************************************************/
11 /******************************************************************************
14 * Copyright (C) Marvell International Ltd. and/or its affiliates
16 * The computer program files contained in this folder ("Files")
17 * are provided to you under the BSD-type license terms provided
18 * below, and any use of such Files and any derivative works
19 * thereof created by you shall be governed by the following terms
22 * - Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * - Redistributions in binary form must reproduce the above
25 * copyright notice, this list of conditions and the following
26 * disclaimer in the documentation and/or other materials provided
27 * with the distribution.
28 * - Neither the name of Marvell nor the names of its contributors
29 * may be used to endorse or promote products derived from this
30 * software without specific prior written permission.
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
35 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
36 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
37 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
38 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
39 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
43 * OF THE POSSIBILITY OF SUCH DAMAGE.
46 *****************************************************************************/
49 * Copyright (c) 1997, 1998, 1999, 2000
50 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
52 * Redistribution and use in source and binary forms, with or without
53 * modification, are permitted provided that the following conditions
55 * 1. Redistributions of source code must retain the above copyright
56 * notice, this list of conditions and the following disclaimer.
57 * 2. Redistributions in binary form must reproduce the above copyright
58 * notice, this list of conditions and the following disclaimer in the
59 * documentation and/or other materials provided with the distribution.
60 * 3. All advertising materials mentioning features or use of this software
61 * must display the following acknowledgement:
62 * This product includes software developed by Bill Paul.
63 * 4. Neither the name of the author nor the names of any co-contributors
64 * may be used to endorse or promote products derived from this software
65 * without specific prior written permission.
67 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
68 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
69 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
70 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
71 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
72 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
73 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
74 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
75 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
76 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
77 * THE POSSIBILITY OF SUCH DAMAGE.
80 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
82 * Permission to use, copy, modify, and distribute this software for any
83 * purpose with or without fee is hereby granted, provided that the above
84 * copyright notice and this permission notice appear in all copies.
86 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
87 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
88 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
89 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
90 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
91 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
92 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
96 * Device driver for the Marvell Yukon II Ethernet controller.
97 * Due to lack of documentation, this driver is based on the code from
98 * sk(4) and Marvell's myk(4) driver for FreeBSD 5.x.
101 #include <sys/cdefs.h>
102 __FBSDID("$FreeBSD$");
104 #include <sys/param.h>
105 #include <sys/systm.h>
107 #include <sys/endian.h>
108 #include <sys/mbuf.h>
109 #include <sys/malloc.h>
110 #include <sys/kernel.h>
111 #include <sys/module.h>
112 #include <sys/socket.h>
113 #include <sys/sockio.h>
114 #include <sys/queue.h>
115 #include <sys/sysctl.h>
118 #include <net/ethernet.h>
120 #include <net/if_arp.h>
121 #include <net/if_dl.h>
122 #include <net/if_media.h>
123 #include <net/if_types.h>
124 #include <net/if_vlan_var.h>
126 #include <netinet/in.h>
127 #include <netinet/in_systm.h>
128 #include <netinet/ip.h>
129 #include <netinet/tcp.h>
130 #include <netinet/udp.h>
132 #include <machine/bus.h>
133 #include <machine/in_cksum.h>
134 #include <machine/resource.h>
135 #include <sys/rman.h>
137 #include <dev/mii/mii.h>
138 #include <dev/mii/miivar.h>
140 #include <dev/pci/pcireg.h>
141 #include <dev/pci/pcivar.h>
143 #include <dev/msk/if_mskreg.h>
145 MODULE_DEPEND(msk, pci, 1, 1, 1);
146 MODULE_DEPEND(msk, ether, 1, 1, 1);
147 MODULE_DEPEND(msk, miibus, 1, 1, 1);
149 /* "device miibus" required. See GENERIC if you get errors here. */
150 #include "miibus_if.h"
153 static int msi_disable = 0;
154 TUNABLE_INT("hw.msk.msi_disable", &msi_disable);
155 static int legacy_intr = 0;
156 TUNABLE_INT("hw.msk.legacy_intr", &legacy_intr);
157 static int jumbo_disable = 0;
158 TUNABLE_INT("hw.msk.jumbo_disable", &jumbo_disable);
160 #define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP)
163 * Devices supported by this driver.
165 static struct msk_product {
166 uint16_t msk_vendorid;
167 uint16_t msk_deviceid;
168 const char *msk_name;
170 { VENDORID_SK, DEVICEID_SK_YUKON2,
171 "SK-9Sxx Gigabit Ethernet" },
172 { VENDORID_SK, DEVICEID_SK_YUKON2_EXPR,
173 "SK-9Exx Gigabit Ethernet"},
174 { VENDORID_MARVELL, DEVICEID_MRVL_8021CU,
175 "Marvell Yukon 88E8021CU Gigabit Ethernet" },
176 { VENDORID_MARVELL, DEVICEID_MRVL_8021X,
177 "Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" },
178 { VENDORID_MARVELL, DEVICEID_MRVL_8022CU,
179 "Marvell Yukon 88E8022CU Gigabit Ethernet" },
180 { VENDORID_MARVELL, DEVICEID_MRVL_8022X,
181 "Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" },
182 { VENDORID_MARVELL, DEVICEID_MRVL_8061CU,
183 "Marvell Yukon 88E8061CU Gigabit Ethernet" },
184 { VENDORID_MARVELL, DEVICEID_MRVL_8061X,
185 "Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" },
186 { VENDORID_MARVELL, DEVICEID_MRVL_8062CU,
187 "Marvell Yukon 88E8062CU Gigabit Ethernet" },
188 { VENDORID_MARVELL, DEVICEID_MRVL_8062X,
189 "Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" },
190 { VENDORID_MARVELL, DEVICEID_MRVL_8035,
191 "Marvell Yukon 88E8035 Fast Ethernet" },
192 { VENDORID_MARVELL, DEVICEID_MRVL_8036,
193 "Marvell Yukon 88E8036 Fast Ethernet" },
194 { VENDORID_MARVELL, DEVICEID_MRVL_8038,
195 "Marvell Yukon 88E8038 Fast Ethernet" },
196 { VENDORID_MARVELL, DEVICEID_MRVL_8039,
197 "Marvell Yukon 88E8039 Fast Ethernet" },
198 { VENDORID_MARVELL, DEVICEID_MRVL_8040,
199 "Marvell Yukon 88E8040 Fast Ethernet" },
200 { VENDORID_MARVELL, DEVICEID_MRVL_8040T,
201 "Marvell Yukon 88E8040T Fast Ethernet" },
202 { VENDORID_MARVELL, DEVICEID_MRVL_8042,
203 "Marvell Yukon 88E8042 Fast Ethernet" },
204 { VENDORID_MARVELL, DEVICEID_MRVL_8048,
205 "Marvell Yukon 88E8048 Fast Ethernet" },
206 { VENDORID_MARVELL, DEVICEID_MRVL_4361,
207 "Marvell Yukon 88E8050 Gigabit Ethernet" },
208 { VENDORID_MARVELL, DEVICEID_MRVL_4360,
209 "Marvell Yukon 88E8052 Gigabit Ethernet" },
210 { VENDORID_MARVELL, DEVICEID_MRVL_4362,
211 "Marvell Yukon 88E8053 Gigabit Ethernet" },
212 { VENDORID_MARVELL, DEVICEID_MRVL_4363,
213 "Marvell Yukon 88E8055 Gigabit Ethernet" },
214 { VENDORID_MARVELL, DEVICEID_MRVL_4364,
215 "Marvell Yukon 88E8056 Gigabit Ethernet" },
216 { VENDORID_MARVELL, DEVICEID_MRVL_4365,
217 "Marvell Yukon 88E8070 Gigabit Ethernet" },
218 { VENDORID_MARVELL, DEVICEID_MRVL_436A,
219 "Marvell Yukon 88E8058 Gigabit Ethernet" },
220 { VENDORID_MARVELL, DEVICEID_MRVL_436B,
221 "Marvell Yukon 88E8071 Gigabit Ethernet" },
222 { VENDORID_MARVELL, DEVICEID_MRVL_436C,
223 "Marvell Yukon 88E8072 Gigabit Ethernet" },
224 { VENDORID_MARVELL, DEVICEID_MRVL_4380,
225 "Marvell Yukon 88E8057 Gigabit Ethernet" },
226 { VENDORID_MARVELL, DEVICEID_MRVL_4381,
227 "Marvell Yukon 88E8059 Gigabit Ethernet" },
228 { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX,
229 "D-Link 550SX Gigabit Ethernet" },
230 { VENDORID_DLINK, DEVICEID_DLINK_DGE560SX,
231 "D-Link 560SX Gigabit Ethernet" },
232 { VENDORID_DLINK, DEVICEID_DLINK_DGE560T,
233 "D-Link 560T Gigabit Ethernet" }
236 static const char *model_name[] = {
249 static int mskc_probe(device_t);
250 static int mskc_attach(device_t);
251 static int mskc_detach(device_t);
252 static int mskc_shutdown(device_t);
253 static int mskc_setup_rambuffer(struct msk_softc *);
254 static int mskc_suspend(device_t);
255 static int mskc_resume(device_t);
256 static void mskc_reset(struct msk_softc *);
258 static int msk_probe(device_t);
259 static int msk_attach(device_t);
260 static int msk_detach(device_t);
262 static void msk_tick(void *);
263 static void msk_intr(void *);
264 static void msk_intr_phy(struct msk_if_softc *);
265 static void msk_intr_gmac(struct msk_if_softc *);
266 static __inline void msk_rxput(struct msk_if_softc *);
267 static int msk_handle_events(struct msk_softc *);
268 static void msk_handle_hwerr(struct msk_if_softc *, uint32_t);
269 static void msk_intr_hwerr(struct msk_softc *);
270 #ifndef __NO_STRICT_ALIGNMENT
271 static __inline void msk_fixup_rx(struct mbuf *);
273 static void msk_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
274 static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
275 static void msk_txeof(struct msk_if_softc *, int);
276 static int msk_encap(struct msk_if_softc *, struct mbuf **);
277 static void msk_start(struct ifnet *);
278 static void msk_start_locked(struct ifnet *);
279 static int msk_ioctl(struct ifnet *, u_long, caddr_t);
280 static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t);
281 static void msk_set_rambuffer(struct msk_if_softc *);
282 static void msk_set_tx_stfwd(struct msk_if_softc *);
283 static void msk_init(void *);
284 static void msk_init_locked(struct msk_if_softc *);
285 static void msk_stop(struct msk_if_softc *);
286 static void msk_watchdog(struct msk_if_softc *);
287 static int msk_mediachange(struct ifnet *);
288 static void msk_mediastatus(struct ifnet *, struct ifmediareq *);
289 static void msk_phy_power(struct msk_softc *, int);
290 static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int);
291 static int msk_status_dma_alloc(struct msk_softc *);
292 static void msk_status_dma_free(struct msk_softc *);
293 static int msk_txrx_dma_alloc(struct msk_if_softc *);
294 static int msk_rx_dma_jalloc(struct msk_if_softc *);
295 static void msk_txrx_dma_free(struct msk_if_softc *);
296 static void msk_rx_dma_jfree(struct msk_if_softc *);
297 static int msk_init_rx_ring(struct msk_if_softc *);
298 static int msk_init_jumbo_rx_ring(struct msk_if_softc *);
299 static void msk_init_tx_ring(struct msk_if_softc *);
300 static __inline void msk_discard_rxbuf(struct msk_if_softc *, int);
301 static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int);
302 static int msk_newbuf(struct msk_if_softc *, int);
303 static int msk_jumbo_newbuf(struct msk_if_softc *, int);
305 static int msk_phy_readreg(struct msk_if_softc *, int, int);
306 static int msk_phy_writereg(struct msk_if_softc *, int, int, int);
307 static int msk_miibus_readreg(device_t, int, int);
308 static int msk_miibus_writereg(device_t, int, int, int);
309 static void msk_miibus_statchg(device_t);
311 static void msk_rxfilter(struct msk_if_softc *);
312 static void msk_setvlan(struct msk_if_softc *, struct ifnet *);
314 static void msk_stats_clear(struct msk_if_softc *);
315 static void msk_stats_update(struct msk_if_softc *);
316 static int msk_sysctl_stat32(SYSCTL_HANDLER_ARGS);
317 static int msk_sysctl_stat64(SYSCTL_HANDLER_ARGS);
318 static void msk_sysctl_node(struct msk_if_softc *);
319 static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int);
320 static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS);
322 static device_method_t mskc_methods[] = {
323 /* Device interface */
324 DEVMETHOD(device_probe, mskc_probe),
325 DEVMETHOD(device_attach, mskc_attach),
326 DEVMETHOD(device_detach, mskc_detach),
327 DEVMETHOD(device_suspend, mskc_suspend),
328 DEVMETHOD(device_resume, mskc_resume),
329 DEVMETHOD(device_shutdown, mskc_shutdown),
332 DEVMETHOD(bus_print_child, bus_generic_print_child),
333 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
338 static driver_t mskc_driver = {
341 sizeof(struct msk_softc)
344 static devclass_t mskc_devclass;
346 static device_method_t msk_methods[] = {
347 /* Device interface */
348 DEVMETHOD(device_probe, msk_probe),
349 DEVMETHOD(device_attach, msk_attach),
350 DEVMETHOD(device_detach, msk_detach),
351 DEVMETHOD(device_shutdown, bus_generic_shutdown),
354 DEVMETHOD(bus_print_child, bus_generic_print_child),
355 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
358 DEVMETHOD(miibus_readreg, msk_miibus_readreg),
359 DEVMETHOD(miibus_writereg, msk_miibus_writereg),
360 DEVMETHOD(miibus_statchg, msk_miibus_statchg),
365 static driver_t msk_driver = {
368 sizeof(struct msk_if_softc)
371 static devclass_t msk_devclass;
373 DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, 0, 0);
374 DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, 0, 0);
375 DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, 0, 0);
377 static struct resource_spec msk_res_spec_io[] = {
378 { SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE },
382 static struct resource_spec msk_res_spec_mem[] = {
383 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE },
387 static struct resource_spec msk_irq_spec_legacy[] = {
388 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
392 static struct resource_spec msk_irq_spec_msi[] = {
393 { SYS_RES_IRQ, 1, RF_ACTIVE },
398 msk_miibus_readreg(device_t dev, int phy, int reg)
400 struct msk_if_softc *sc_if;
402 if (phy != PHY_ADDR_MARV)
405 sc_if = device_get_softc(dev);
407 return (msk_phy_readreg(sc_if, phy, reg));
411 msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg)
413 struct msk_softc *sc;
416 sc = sc_if->msk_softc;
418 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
419 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD);
421 for (i = 0; i < MSK_TIMEOUT; i++) {
423 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL);
424 if ((val & GM_SMI_CT_RD_VAL) != 0) {
425 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA);
430 if (i == MSK_TIMEOUT) {
431 if_printf(sc_if->msk_ifp, "phy failed to come ready\n");
439 msk_miibus_writereg(device_t dev, int phy, int reg, int val)
441 struct msk_if_softc *sc_if;
443 if (phy != PHY_ADDR_MARV)
446 sc_if = device_get_softc(dev);
448 return (msk_phy_writereg(sc_if, phy, reg, val));
452 msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val)
454 struct msk_softc *sc;
457 sc = sc_if->msk_softc;
459 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val);
460 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
461 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg));
462 for (i = 0; i < MSK_TIMEOUT; i++) {
464 if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) &
465 GM_SMI_CT_BUSY) == 0)
468 if (i == MSK_TIMEOUT)
469 if_printf(sc_if->msk_ifp, "phy write timeout\n");
475 msk_miibus_statchg(device_t dev)
477 struct msk_softc *sc;
478 struct msk_if_softc *sc_if;
479 struct mii_data *mii;
483 sc_if = device_get_softc(dev);
484 sc = sc_if->msk_softc;
486 MSK_IF_LOCK_ASSERT(sc_if);
488 mii = device_get_softc(sc_if->msk_miibus);
489 ifp = sc_if->msk_ifp;
490 if (mii == NULL || ifp == NULL ||
491 (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
494 sc_if->msk_flags &= ~MSK_FLAG_LINK;
495 if ((mii->mii_media_status & (IFM_AVALID | IFM_ACTIVE)) ==
496 (IFM_AVALID | IFM_ACTIVE)) {
497 switch (IFM_SUBTYPE(mii->mii_media_active)) {
500 sc_if->msk_flags |= MSK_FLAG_LINK;
506 if ((sc_if->msk_flags & MSK_FLAG_FASTETHER) == 0)
507 sc_if->msk_flags |= MSK_FLAG_LINK;
514 if ((sc_if->msk_flags & MSK_FLAG_LINK) != 0) {
515 /* Enable Tx FIFO Underrun. */
516 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK),
517 GM_IS_TX_FF_UR | GM_IS_RX_FF_OR);
519 * Because mii(4) notify msk(4) that it detected link status
520 * change, there is no need to enable automatic
521 * speed/flow-control/duplex updates.
523 gmac = GM_GPCR_AU_ALL_DIS;
524 switch (IFM_SUBTYPE(mii->mii_media_active)) {
527 gmac |= GM_GPCR_SPEED_1000;
530 gmac |= GM_GPCR_SPEED_100;
536 /* Disable Rx flow control. */
537 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FLAG0) == 0)
538 gmac |= GM_GPCR_FC_RX_DIS;
539 /* Disable Tx flow control. */
540 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FLAG1) == 0)
541 gmac |= GM_GPCR_FC_TX_DIS;
542 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0)
543 gmac |= GM_GPCR_DUP_FULL;
545 gmac |= GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS;
546 gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA;
547 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
548 /* Read again to ensure writing. */
549 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
550 gmac = GMC_PAUSE_OFF;
551 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) {
552 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FLAG0) != 0)
555 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac);
557 /* Enable PHY interrupt for FIFO underrun/overflow. */
558 msk_phy_writereg(sc_if, PHY_ADDR_MARV,
559 PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR);
562 * Link state changed to down.
563 * Disable PHY interrupts.
565 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
566 /* Disable Rx/Tx MAC. */
567 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
568 if ((GM_GPCR_RX_ENA | GM_GPCR_TX_ENA) != 0) {
569 gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
570 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
571 /* Read again to ensure writing. */
572 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
578 msk_rxfilter(struct msk_if_softc *sc_if)
580 struct msk_softc *sc;
582 struct ifmultiaddr *ifma;
587 sc = sc_if->msk_softc;
589 MSK_IF_LOCK_ASSERT(sc_if);
591 ifp = sc_if->msk_ifp;
593 bzero(mchash, sizeof(mchash));
594 mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL);
595 if ((ifp->if_flags & IFF_PROMISC) != 0)
596 mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
597 else if ((ifp->if_flags & IFF_ALLMULTI) != 0) {
598 mode |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA;
602 mode |= GM_RXCR_UCF_ENA;
604 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
605 if (ifma->ifma_addr->sa_family != AF_LINK)
607 crc = ether_crc32_be(LLADDR((struct sockaddr_dl *)
608 ifma->ifma_addr), ETHER_ADDR_LEN);
609 /* Just want the 6 least significant bits. */
611 /* Set the corresponding bit in the hash table. */
612 mchash[crc >> 5] |= 1 << (crc & 0x1f);
614 if_maddr_runlock(ifp);
615 if (mchash[0] != 0 || mchash[1] != 0)
616 mode |= GM_RXCR_MCF_ENA;
619 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1,
621 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2,
622 (mchash[0] >> 16) & 0xffff);
623 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3,
625 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4,
626 (mchash[1] >> 16) & 0xffff);
627 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode);
631 msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp)
633 struct msk_softc *sc;
635 sc = sc_if->msk_softc;
636 if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
637 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
639 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
642 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
644 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
650 msk_init_rx_ring(struct msk_if_softc *sc_if)
652 struct msk_ring_data *rd;
653 struct msk_rxdesc *rxd;
656 MSK_IF_LOCK_ASSERT(sc_if);
658 sc_if->msk_cdata.msk_rx_cons = 0;
659 sc_if->msk_cdata.msk_rx_prod = 0;
660 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
662 rd = &sc_if->msk_rdata;
663 bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT);
664 prod = sc_if->msk_cdata.msk_rx_prod;
665 for (i = 0; i < MSK_RX_RING_CNT; i++) {
666 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
668 rxd->rx_le = &rd->msk_rx_ring[prod];
669 if (msk_newbuf(sc_if, prod) != 0)
671 MSK_INC(prod, MSK_RX_RING_CNT);
674 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
675 sc_if->msk_cdata.msk_rx_ring_map,
676 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
678 /* Update prefetch unit. */
679 sc_if->msk_cdata.msk_rx_prod = MSK_RX_RING_CNT - 1;
680 CSR_WRITE_2(sc_if->msk_softc,
681 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
682 sc_if->msk_cdata.msk_rx_prod);
688 msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if)
690 struct msk_ring_data *rd;
691 struct msk_rxdesc *rxd;
694 MSK_IF_LOCK_ASSERT(sc_if);
696 sc_if->msk_cdata.msk_rx_cons = 0;
697 sc_if->msk_cdata.msk_rx_prod = 0;
698 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
700 rd = &sc_if->msk_rdata;
701 bzero(rd->msk_jumbo_rx_ring,
702 sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT);
703 prod = sc_if->msk_cdata.msk_rx_prod;
704 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
705 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
707 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
708 if (msk_jumbo_newbuf(sc_if, prod) != 0)
710 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
713 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
714 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
715 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
717 sc_if->msk_cdata.msk_rx_prod = MSK_JUMBO_RX_RING_CNT - 1;
718 CSR_WRITE_2(sc_if->msk_softc,
719 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
720 sc_if->msk_cdata.msk_rx_prod);
726 msk_init_tx_ring(struct msk_if_softc *sc_if)
728 struct msk_ring_data *rd;
729 struct msk_txdesc *txd;
732 sc_if->msk_cdata.msk_tso_mtu = 0;
733 sc_if->msk_cdata.msk_last_csum = 0;
734 sc_if->msk_cdata.msk_tx_prod = 0;
735 sc_if->msk_cdata.msk_tx_cons = 0;
736 sc_if->msk_cdata.msk_tx_cnt = 0;
738 rd = &sc_if->msk_rdata;
739 bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT);
740 for (i = 0; i < MSK_TX_RING_CNT; i++) {
741 txd = &sc_if->msk_cdata.msk_txdesc[i];
743 txd->tx_le = &rd->msk_tx_ring[i];
746 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
747 sc_if->msk_cdata.msk_tx_ring_map,
748 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
752 msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx)
754 struct msk_rx_desc *rx_le;
755 struct msk_rxdesc *rxd;
758 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
761 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
765 msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx)
767 struct msk_rx_desc *rx_le;
768 struct msk_rxdesc *rxd;
771 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
774 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
778 msk_newbuf(struct msk_if_softc *sc_if, int idx)
780 struct msk_rx_desc *rx_le;
781 struct msk_rxdesc *rxd;
783 bus_dma_segment_t segs[1];
787 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
791 m->m_len = m->m_pkthdr.len = MCLBYTES;
792 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
793 m_adj(m, ETHER_ALIGN);
794 #ifndef __NO_STRICT_ALIGNMENT
796 m_adj(m, MSK_RX_BUF_ALIGN);
799 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_rx_tag,
800 sc_if->msk_cdata.msk_rx_sparemap, m, segs, &nsegs,
801 BUS_DMA_NOWAIT) != 0) {
805 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
807 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
808 if (rxd->rx_m != NULL) {
809 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
810 BUS_DMASYNC_POSTREAD);
811 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap);
813 map = rxd->rx_dmamap;
814 rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap;
815 sc_if->msk_cdata.msk_rx_sparemap = map;
816 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
817 BUS_DMASYNC_PREREAD);
820 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
822 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
828 msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx)
830 struct msk_rx_desc *rx_le;
831 struct msk_rxdesc *rxd;
833 bus_dma_segment_t segs[1];
837 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES);
840 if ((m->m_flags & M_EXT) == 0) {
844 m->m_len = m->m_pkthdr.len = MJUM9BYTES;
845 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
846 m_adj(m, ETHER_ALIGN);
847 #ifndef __NO_STRICT_ALIGNMENT
849 m_adj(m, MSK_RX_BUF_ALIGN);
852 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag,
853 sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs,
854 BUS_DMA_NOWAIT) != 0) {
858 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
860 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
861 if (rxd->rx_m != NULL) {
862 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
863 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
864 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
867 map = rxd->rx_dmamap;
868 rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap;
869 sc_if->msk_cdata.msk_jumbo_rx_sparemap = map;
870 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap,
871 BUS_DMASYNC_PREREAD);
874 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
876 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
885 msk_mediachange(struct ifnet *ifp)
887 struct msk_if_softc *sc_if;
888 struct mii_data *mii;
891 sc_if = ifp->if_softc;
894 mii = device_get_softc(sc_if->msk_miibus);
895 error = mii_mediachg(mii);
896 MSK_IF_UNLOCK(sc_if);
902 * Report current media status.
905 msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr)
907 struct msk_if_softc *sc_if;
908 struct mii_data *mii;
910 sc_if = ifp->if_softc;
912 if ((ifp->if_flags & IFF_UP) == 0) {
913 MSK_IF_UNLOCK(sc_if);
916 mii = device_get_softc(sc_if->msk_miibus);
919 MSK_IF_UNLOCK(sc_if);
920 ifmr->ifm_active = mii->mii_media_active;
921 ifmr->ifm_status = mii->mii_media_status;
925 msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
927 struct msk_if_softc *sc_if;
929 struct mii_data *mii;
932 sc_if = ifp->if_softc;
933 ifr = (struct ifreq *)data;
939 if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN)
941 else if (ifp->if_mtu != ifr->ifr_mtu) {
942 if (ifr->ifr_mtu > ETHERMTU) {
943 if ((sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
945 MSK_IF_UNLOCK(sc_if);
948 if ((sc_if->msk_flags &
949 MSK_FLAG_JUMBO_NOCSUM) != 0) {
951 ~(MSK_CSUM_FEATURES | CSUM_TSO);
953 ~(IFCAP_TSO4 | IFCAP_TXCSUM);
954 VLAN_CAPABILITIES(ifp);
957 ifp->if_mtu = ifr->ifr_mtu;
958 msk_init_locked(sc_if);
960 MSK_IF_UNLOCK(sc_if);
964 if ((ifp->if_flags & IFF_UP) != 0) {
965 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
966 ((ifp->if_flags ^ sc_if->msk_if_flags) &
967 (IFF_PROMISC | IFF_ALLMULTI)) != 0)
969 else if ((sc_if->msk_flags & MSK_FLAG_DETACH) == 0)
970 msk_init_locked(sc_if);
971 } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
973 sc_if->msk_if_flags = ifp->if_flags;
974 MSK_IF_UNLOCK(sc_if);
979 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
981 MSK_IF_UNLOCK(sc_if);
985 mii = device_get_softc(sc_if->msk_miibus);
986 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
990 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
991 if ((mask & IFCAP_TXCSUM) != 0 &&
992 (IFCAP_TXCSUM & ifp->if_capabilities) != 0) {
993 ifp->if_capenable ^= IFCAP_TXCSUM;
994 if ((IFCAP_TXCSUM & ifp->if_capenable) != 0)
995 ifp->if_hwassist |= MSK_CSUM_FEATURES;
997 ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
999 if ((mask & IFCAP_RXCSUM) != 0 &&
1000 (IFCAP_RXCSUM & ifp->if_capabilities) != 0)
1001 ifp->if_capenable ^= IFCAP_RXCSUM;
1002 if ((mask & IFCAP_VLAN_HWCSUM) != 0 &&
1003 (IFCAP_VLAN_HWCSUM & ifp->if_capabilities) != 0)
1004 ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
1005 if ((mask & IFCAP_TSO4) != 0 &&
1006 (IFCAP_TSO4 & ifp->if_capabilities) != 0) {
1007 ifp->if_capenable ^= IFCAP_TSO4;
1008 if ((IFCAP_TSO4 & ifp->if_capenable) != 0)
1009 ifp->if_hwassist |= CSUM_TSO;
1011 ifp->if_hwassist &= ~CSUM_TSO;
1013 if ((mask & IFCAP_VLAN_HWTSO) != 0 &&
1014 (IFCAP_VLAN_HWTSO & ifp->if_capabilities) != 0)
1015 ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1016 if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
1017 (IFCAP_VLAN_HWTAGGING & ifp->if_capabilities) != 0) {
1018 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1019 if ((IFCAP_VLAN_HWTAGGING & ifp->if_capenable) == 0)
1020 ifp->if_capenable &=
1021 ~(IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM);
1022 msk_setvlan(sc_if, ifp);
1024 if (ifp->if_mtu > ETHERMTU &&
1025 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
1026 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
1027 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
1030 VLAN_CAPABILITIES(ifp);
1031 MSK_IF_UNLOCK(sc_if);
1034 error = ether_ioctl(ifp, command, data);
1042 mskc_probe(device_t dev)
1044 struct msk_product *mp;
1045 uint16_t vendor, devid;
1048 vendor = pci_get_vendor(dev);
1049 devid = pci_get_device(dev);
1051 for (i = 0; i < sizeof(msk_products)/sizeof(msk_products[0]);
1053 if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) {
1054 device_set_desc(dev, mp->msk_name);
1055 return (BUS_PROBE_DEFAULT);
1063 mskc_setup_rambuffer(struct msk_softc *sc)
1068 /* Get adapter SRAM size. */
1069 sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4;
1071 device_printf(sc->msk_dev,
1072 "RAM buffer size : %dKB\n", sc->msk_ramsize);
1073 if (sc->msk_ramsize == 0)
1076 sc->msk_pflags |= MSK_FLAG_RAMBUF;
1078 * Give receiver 2/3 of memory and round down to the multiple
1079 * of 1024. Tx/Rx RAM buffer size of Yukon II shoud be multiple
1082 sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024);
1083 sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize;
1084 for (i = 0, next = 0; i < sc->msk_num_port; i++) {
1085 sc->msk_rxqstart[i] = next;
1086 sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1;
1087 next = sc->msk_rxqend[i] + 1;
1088 sc->msk_txqstart[i] = next;
1089 sc->msk_txqend[i] = next + sc->msk_txqsize - 1;
1090 next = sc->msk_txqend[i] + 1;
1092 device_printf(sc->msk_dev,
1093 "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i,
1094 sc->msk_rxqsize / 1024, sc->msk_rxqstart[i],
1096 device_printf(sc->msk_dev,
1097 "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i,
1098 sc->msk_txqsize / 1024, sc->msk_txqstart[i],
1107 msk_phy_power(struct msk_softc *sc, int mode)
1113 case MSK_PHY_POWERUP:
1114 /* Switch power to VCC (WA for VAUX problem). */
1115 CSR_WRITE_1(sc, B0_POWER_CTRL,
1116 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON);
1117 /* Disable Core Clock Division, set Clock Select to 0. */
1118 CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS);
1121 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1122 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1123 /* Enable bits are inverted. */
1124 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1125 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1126 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1129 * Enable PCI & Core Clock, enable clock gating for both Links.
1131 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1133 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1134 val &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD);
1135 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
1136 if (sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1137 /* Deassert Low Power for 1st PHY. */
1138 val |= PCI_Y2_PHY1_COMA;
1139 if (sc->msk_num_port > 1)
1140 val |= PCI_Y2_PHY2_COMA;
1143 /* Release PHY from PowerDown/COMA mode. */
1144 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
1145 switch (sc->msk_hw_id) {
1146 case CHIP_ID_YUKON_EC_U:
1147 case CHIP_ID_YUKON_EX:
1148 case CHIP_ID_YUKON_FE_P:
1149 case CHIP_ID_YUKON_UL_2:
1150 case CHIP_ID_YUKON_OPT:
1151 CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_OFF);
1153 /* Enable all clocks. */
1154 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
1155 our = CSR_PCI_READ_4(sc, PCI_OUR_REG_4);
1156 our &= (PCI_FORCE_ASPM_REQUEST|PCI_ASPM_GPHY_LINK_DOWN|
1157 PCI_ASPM_INT_FIFO_EMPTY|PCI_ASPM_CLKRUN_REQUEST);
1158 /* Set all bits to 0 except bits 15..12. */
1159 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_4, our);
1160 our = CSR_PCI_READ_4(sc, PCI_OUR_REG_5);
1161 our &= PCI_CTL_TIM_VMAIN_AV_MSK;
1162 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_5, our);
1163 CSR_PCI_WRITE_4(sc, PCI_CFG_REG_1, 0);
1165 * Disable status race, workaround for
1166 * Yukon EC Ultra & Yukon EX.
1168 val = CSR_READ_4(sc, B2_GP_IO);
1169 val |= GLB_GPIO_STAT_RACE_DIS;
1170 CSR_WRITE_4(sc, B2_GP_IO, val);
1171 CSR_READ_4(sc, B2_GP_IO);
1176 for (i = 0; i < sc->msk_num_port; i++) {
1177 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1179 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1183 case MSK_PHY_POWERDOWN:
1184 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1185 val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD;
1186 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1187 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1188 val &= ~PCI_Y2_PHY1_COMA;
1189 if (sc->msk_num_port > 1)
1190 val &= ~PCI_Y2_PHY2_COMA;
1192 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
1194 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1195 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1196 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1197 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1198 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1199 /* Enable bits are inverted. */
1203 * Disable PCI & Core Clock, disable clock gating for
1206 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1207 CSR_WRITE_1(sc, B0_POWER_CTRL,
1208 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
1216 mskc_reset(struct msk_softc *sc)
1223 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1226 if (sc->msk_hw_id == CHIP_ID_YUKON_EX) {
1227 status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
1228 /* Clear AHB bridge & microcontroller reset. */
1229 status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
1230 Y2_ASF_HCU_CCSR_CPU_RST_MODE);
1231 /* Clear ASF microcontroller state. */
1232 status &= ~ Y2_ASF_HCU_CCSR_UC_STATE_MSK;
1233 CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
1235 CSR_WRITE_1(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
1236 CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE);
1239 * Since we disabled ASF, S/W reset is required for Power Management.
1241 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1242 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1244 /* Clear all error bits in the PCI status register. */
1245 status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
1246 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1248 pci_write_config(sc->msk_dev, PCIR_STATUS, status |
1249 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
1250 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2);
1251 CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR);
1253 switch (sc->msk_bustype) {
1255 /* Clear all PEX errors. */
1256 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
1257 val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
1258 if ((val & PEX_RX_OV) != 0) {
1259 sc->msk_intrmask &= ~Y2_IS_HW_ERR;
1260 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
1265 /* Set Cache Line Size to 2(8bytes) if configured to 0. */
1266 val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1);
1268 pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1);
1269 if (sc->msk_bustype == MSK_PCIX_BUS) {
1270 /* Set Cache Line Size opt. */
1271 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4);
1273 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4);
1277 /* Set PHY power state. */
1278 msk_phy_power(sc, MSK_PHY_POWERUP);
1280 /* Reset GPHY/GMAC Control */
1281 for (i = 0; i < sc->msk_num_port; i++) {
1282 /* GPHY Control reset. */
1283 CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET);
1284 CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR);
1285 /* GMAC Control reset. */
1286 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET);
1287 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR);
1288 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF);
1289 if (sc->msk_hw_id == CHIP_ID_YUKON_EX)
1290 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL),
1291 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
1294 if (sc->msk_hw_id == CHIP_ID_YUKON_OPT && sc->msk_hw_rev == 0) {
1295 /* Disable PCIe PHY powerdown(reg 0x80, bit7). */
1296 CSR_WRITE_4(sc, Y2_PEX_PHY_DATA, (0x0080 << 16) | 0x0080);
1298 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1301 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON);
1303 /* Clear TWSI IRQ. */
1304 CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ);
1306 /* Turn off hardware timer. */
1307 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP);
1308 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ);
1310 /* Turn off descriptor polling. */
1311 CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP);
1313 /* Turn off time stamps. */
1314 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP);
1315 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
1317 /* Configure timeout values. */
1318 for (i = 0; i < sc->msk_num_port; i++) {
1319 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_SET);
1320 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR);
1321 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1),
1323 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1),
1325 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1),
1327 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1),
1329 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1),
1331 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1),
1333 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2),
1335 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2),
1337 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2),
1339 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2),
1341 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2),
1343 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2),
1347 /* Disable all interrupts. */
1348 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
1349 CSR_READ_4(sc, B0_HWE_IMSK);
1350 CSR_WRITE_4(sc, B0_IMSK, 0);
1351 CSR_READ_4(sc, B0_IMSK);
1354 * On dual port PCI-X card, there is an problem where status
1355 * can be received out of order due to split transactions.
1357 if (sc->msk_pcixcap != 0 && sc->msk_num_port > 1) {
1360 pcix_cmd = pci_read_config(sc->msk_dev,
1361 sc->msk_pcixcap + PCIXR_COMMAND, 2);
1362 /* Clear Max Outstanding Split Transactions. */
1363 pcix_cmd &= ~PCIXM_COMMAND_MAX_SPLITS;
1364 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1365 pci_write_config(sc->msk_dev,
1366 sc->msk_pcixcap + PCIXR_COMMAND, pcix_cmd, 2);
1367 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1369 if (sc->msk_expcap != 0) {
1370 /* Change Max. Read Request Size to 2048 bytes. */
1371 if (pci_get_max_read_req(sc->msk_dev) == 512)
1372 pci_set_max_read_req(sc->msk_dev, 2048);
1375 /* Clear status list. */
1376 bzero(sc->msk_stat_ring,
1377 sizeof(struct msk_stat_desc) * MSK_STAT_RING_CNT);
1378 sc->msk_stat_cons = 0;
1379 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
1380 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1381 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET);
1382 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR);
1383 /* Set the status list base address. */
1384 addr = sc->msk_stat_ring_paddr;
1385 CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr));
1386 CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr));
1387 /* Set the status list last index. */
1388 CSR_WRITE_2(sc, STAT_LAST_IDX, MSK_STAT_RING_CNT - 1);
1389 if (sc->msk_hw_id == CHIP_ID_YUKON_EC &&
1390 sc->msk_hw_rev == CHIP_REV_YU_EC_A1) {
1391 /* WA for dev. #4.3 */
1392 CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK);
1393 /* WA for dev. #4.18 */
1394 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21);
1395 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07);
1397 CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a);
1398 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10);
1399 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1400 sc->msk_hw_rev == CHIP_REV_YU_XL_A0)
1401 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04);
1403 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10);
1404 CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190);
1407 * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI.
1409 CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000));
1411 /* Enable status unit. */
1412 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON);
1414 CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START);
1415 CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START);
1416 CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START);
1420 msk_probe(device_t dev)
1422 struct msk_softc *sc;
1425 sc = device_get_softc(device_get_parent(dev));
1427 * Not much to do here. We always know there will be
1428 * at least one GMAC present, and if there are two,
1429 * mskc_attach() will create a second device instance
1432 snprintf(desc, sizeof(desc),
1433 "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x",
1434 model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id,
1436 device_set_desc_copy(dev, desc);
1438 return (BUS_PROBE_DEFAULT);
1442 msk_attach(device_t dev)
1444 struct msk_softc *sc;
1445 struct msk_if_softc *sc_if;
1447 struct msk_mii_data *mmd;
1455 sc_if = device_get_softc(dev);
1456 sc = device_get_softc(device_get_parent(dev));
1457 mmd = device_get_ivars(dev);
1460 sc_if->msk_if_dev = dev;
1461 sc_if->msk_port = port;
1462 sc_if->msk_softc = sc;
1463 sc_if->msk_flags = sc->msk_pflags;
1464 sc->msk_if[port] = sc_if;
1465 /* Setup Tx/Rx queue register offsets. */
1466 if (port == MSK_PORT_A) {
1467 sc_if->msk_txq = Q_XA1;
1468 sc_if->msk_txsq = Q_XS1;
1469 sc_if->msk_rxq = Q_R1;
1471 sc_if->msk_txq = Q_XA2;
1472 sc_if->msk_txsq = Q_XS2;
1473 sc_if->msk_rxq = Q_R2;
1476 callout_init_mtx(&sc_if->msk_tick_ch, &sc_if->msk_softc->msk_mtx, 0);
1477 msk_sysctl_node(sc_if);
1479 if ((error = msk_txrx_dma_alloc(sc_if) != 0))
1481 msk_rx_dma_jalloc(sc_if);
1483 ifp = sc_if->msk_ifp = if_alloc(IFT_ETHER);
1485 device_printf(sc_if->msk_if_dev, "can not if_alloc()\n");
1489 ifp->if_softc = sc_if;
1490 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
1491 ifp->if_mtu = ETHERMTU;
1492 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1494 * IFCAP_RXCSUM capability is intentionally disabled as the hardware
1495 * has serious bug in Rx checksum offload for all Yukon II family
1496 * hardware. It seems there is a workaround to make it work somtimes.
1497 * However, the workaround also have to check OP code sequences to
1498 * verify whether the OP code is correct. Sometimes it should compute
1499 * IP/TCP/UDP checksum in driver in order to verify correctness of
1500 * checksum computed by hardware. If you have to compute checksum
1501 * with software to verify the hardware's checksum why have hardware
1502 * compute the checksum? I think there is no reason to spend time to
1503 * make Rx checksum offload work on Yukon II hardware.
1505 ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4;
1507 * Enable Rx checksum offloading if controller support new
1508 * descriptor format.
1510 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1511 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1512 ifp->if_capabilities |= IFCAP_RXCSUM;
1513 ifp->if_hwassist = MSK_CSUM_FEATURES | CSUM_TSO;
1514 ifp->if_capenable = ifp->if_capabilities;
1515 ifp->if_ioctl = msk_ioctl;
1516 ifp->if_start = msk_start;
1518 ifp->if_watchdog = NULL;
1519 ifp->if_init = msk_init;
1520 IFQ_SET_MAXLEN(&ifp->if_snd, MSK_TX_RING_CNT - 1);
1521 ifp->if_snd.ifq_drv_maxlen = MSK_TX_RING_CNT - 1;
1522 IFQ_SET_READY(&ifp->if_snd);
1524 * Get station address for this interface. Note that
1525 * dual port cards actually come with three station
1526 * addresses: one for each port, plus an extra. The
1527 * extra one is used by the SysKonnect driver software
1528 * as a 'virtual' station address for when both ports
1529 * are operating in failover mode. Currently we don't
1530 * use this extra address.
1533 for (i = 0; i < ETHER_ADDR_LEN; i++)
1534 eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i);
1537 * Call MI attach routine. Can't hold locks when calling into ether_*.
1539 MSK_IF_UNLOCK(sc_if);
1540 ether_ifattach(ifp, eaddr);
1543 /* VLAN capability setup */
1544 ifp->if_capabilities |= IFCAP_VLAN_MTU;
1545 if ((sc_if->msk_flags & MSK_FLAG_NOHWVLAN) == 0) {
1547 * Due to Tx checksum offload hardware bugs, msk(4) manually
1548 * computes checksum for short frames. For VLAN tagged frames
1549 * this workaround does not work so disable checksum offload
1550 * for VLAN interface.
1552 ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO;
1554 * Enable Rx checksum offloading for VLAN taggedd frames
1555 * if controller support new descriptor format.
1557 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1558 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1559 ifp->if_capabilities |= IFCAP_VLAN_HWCSUM;
1561 ifp->if_capenable = ifp->if_capabilities;
1564 * Tell the upper layer(s) we support long frames.
1565 * Must appear after the call to ether_ifattach() because
1566 * ether_ifattach() sets ifi_hdrlen to the default value.
1568 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
1573 MSK_IF_UNLOCK(sc_if);
1574 error = mii_phy_probe(dev, &sc_if->msk_miibus, msk_mediachange,
1577 device_printf(sc_if->msk_if_dev, "no PHY found!\n");
1578 ether_ifdetach(ifp);
1585 /* Access should be ok even though lock has been dropped */
1586 sc->msk_if[port] = NULL;
1594 * Attach the interface. Allocate softc structures, do ifmedia
1595 * setup and ethernet/BPF attach.
1598 mskc_attach(device_t dev)
1600 struct msk_softc *sc;
1601 struct msk_mii_data *mmd;
1602 int error, msic, msir, reg;
1604 sc = device_get_softc(dev);
1606 mtx_init(&sc->msk_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
1610 * Map control/status registers.
1612 pci_enable_busmaster(dev);
1614 /* Allocate I/O resource */
1615 #ifdef MSK_USEIOSPACE
1616 sc->msk_res_spec = msk_res_spec_io;
1618 sc->msk_res_spec = msk_res_spec_mem;
1620 sc->msk_irq_spec = msk_irq_spec_legacy;
1621 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1623 if (sc->msk_res_spec == msk_res_spec_mem)
1624 sc->msk_res_spec = msk_res_spec_io;
1626 sc->msk_res_spec = msk_res_spec_mem;
1627 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1629 device_printf(dev, "couldn't allocate %s resources\n",
1630 sc->msk_res_spec == msk_res_spec_mem ? "memory" :
1632 mtx_destroy(&sc->msk_mtx);
1637 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1638 sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID);
1639 sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f;
1640 /* Bail out if chip is not recognized. */
1641 if (sc->msk_hw_id < CHIP_ID_YUKON_XL ||
1642 sc->msk_hw_id > CHIP_ID_YUKON_OPT ||
1643 sc->msk_hw_id == CHIP_ID_YUKON_SUPR ||
1644 sc->msk_hw_id == CHIP_ID_YUKON_UNKNOWN) {
1645 device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n",
1646 sc->msk_hw_id, sc->msk_hw_rev);
1647 mtx_destroy(&sc->msk_mtx);
1651 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1652 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1653 OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW,
1654 &sc->msk_process_limit, 0, sysctl_hw_msk_proc_limit, "I",
1655 "max number of Rx events to process");
1657 sc->msk_process_limit = MSK_PROC_DEFAULT;
1658 error = resource_int_value(device_get_name(dev), device_get_unit(dev),
1659 "process_limit", &sc->msk_process_limit);
1661 if (sc->msk_process_limit < MSK_PROC_MIN ||
1662 sc->msk_process_limit > MSK_PROC_MAX) {
1663 device_printf(dev, "process_limit value out of range; "
1664 "using default: %d\n", MSK_PROC_DEFAULT);
1665 sc->msk_process_limit = MSK_PROC_DEFAULT;
1669 sc->msk_int_holdoff = MSK_INT_HOLDOFF_DEFAULT;
1670 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
1671 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
1672 "int_holdoff", CTLFLAG_RW, &sc->msk_int_holdoff, 0,
1673 "Maximum number of time to delay interrupts");
1674 resource_int_value(device_get_name(dev), device_get_unit(dev),
1675 "int_holdoff", &sc->msk_int_holdoff);
1678 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1679 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1680 sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP);
1681 /* Check number of MACs. */
1682 sc->msk_num_port = 1;
1683 if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) ==
1685 if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC))
1689 /* Check bus type. */
1690 if (pci_find_extcap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) {
1691 sc->msk_bustype = MSK_PEX_BUS;
1692 sc->msk_expcap = reg;
1693 } else if (pci_find_extcap(sc->msk_dev, PCIY_PCIX, ®) == 0) {
1694 sc->msk_bustype = MSK_PCIX_BUS;
1695 sc->msk_pcixcap = reg;
1697 sc->msk_bustype = MSK_PCI_BUS;
1699 switch (sc->msk_hw_id) {
1700 case CHIP_ID_YUKON_EC:
1701 sc->msk_clock = 125; /* 125 MHz */
1702 sc->msk_pflags |= MSK_FLAG_JUMBO;
1704 case CHIP_ID_YUKON_EC_U:
1705 sc->msk_clock = 125; /* 125 MHz */
1706 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_JUMBO_NOCSUM;
1708 case CHIP_ID_YUKON_EX:
1709 sc->msk_clock = 125; /* 125 MHz */
1710 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
1711 MSK_FLAG_AUTOTX_CSUM;
1713 * Yukon Extreme seems to have silicon bug for
1714 * automatic Tx checksum calculation capability.
1716 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
1717 sc->msk_pflags &= ~MSK_FLAG_AUTOTX_CSUM;
1719 * Yukon Extreme A0 could not use store-and-forward
1720 * for jumbo frames, so disable Tx checksum
1721 * offloading for jumbo frames.
1723 if (sc->msk_hw_rev == CHIP_REV_YU_EX_A0)
1724 sc->msk_pflags |= MSK_FLAG_JUMBO_NOCSUM;
1726 case CHIP_ID_YUKON_FE:
1727 sc->msk_clock = 100; /* 100 MHz */
1728 sc->msk_pflags |= MSK_FLAG_FASTETHER;
1730 case CHIP_ID_YUKON_FE_P:
1731 sc->msk_clock = 50; /* 50 MHz */
1732 sc->msk_pflags |= MSK_FLAG_FASTETHER | MSK_FLAG_DESCV2 |
1733 MSK_FLAG_AUTOTX_CSUM;
1734 if (sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
1737 * FE+ A0 has status LE writeback bug so msk(4)
1738 * does not rely on status word of received frame
1739 * in msk_rxeof() which in turn disables all
1740 * hardware assistance bits reported by the status
1741 * word as well as validity of the recevied frame.
1742 * Just pass received frames to upper stack with
1743 * minimal test and let upper stack handle them.
1745 sc->msk_pflags |= MSK_FLAG_NOHWVLAN |
1746 MSK_FLAG_NORXCHK | MSK_FLAG_NORX_CSUM;
1749 case CHIP_ID_YUKON_XL:
1750 sc->msk_clock = 156; /* 156 MHz */
1751 sc->msk_pflags |= MSK_FLAG_JUMBO;
1753 case CHIP_ID_YUKON_UL_2:
1754 sc->msk_clock = 125; /* 125 MHz */
1755 sc->msk_pflags |= MSK_FLAG_JUMBO;
1757 case CHIP_ID_YUKON_OPT:
1758 sc->msk_clock = 125; /* 125 MHz */
1759 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2;
1762 sc->msk_clock = 156; /* 156 MHz */
1766 /* Allocate IRQ resources. */
1767 msic = pci_msi_count(dev);
1769 device_printf(dev, "MSI count : %d\n", msic);
1770 if (legacy_intr != 0)
1772 if (msi_disable == 0 && msic > 0) {
1774 if (pci_alloc_msi(dev, &msir) == 0) {
1776 sc->msk_pflags |= MSK_FLAG_MSI;
1777 sc->msk_irq_spec = msk_irq_spec_msi;
1779 pci_release_msi(dev);
1783 error = bus_alloc_resources(dev, sc->msk_irq_spec, sc->msk_irq);
1785 device_printf(dev, "couldn't allocate IRQ resources\n");
1789 if ((error = msk_status_dma_alloc(sc)) != 0)
1792 /* Set base interrupt mask. */
1793 sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU;
1794 sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR |
1795 Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP;
1797 /* Reset the adapter. */
1800 if ((error = mskc_setup_rambuffer(sc)) != 0)
1803 sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1);
1804 if (sc->msk_devs[MSK_PORT_A] == NULL) {
1805 device_printf(dev, "failed to add child for PORT_A\n");
1809 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK | M_ZERO);
1811 device_printf(dev, "failed to allocate memory for "
1812 "ivars of PORT_A\n");
1816 mmd->port = MSK_PORT_A;
1817 mmd->pmd = sc->msk_pmd;
1818 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S' || sc->msk_pmd == 'P')
1819 mmd->mii_flags |= MIIF_HAVEFIBER;
1820 device_set_ivars(sc->msk_devs[MSK_PORT_A], mmd);
1822 if (sc->msk_num_port > 1) {
1823 sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1);
1824 if (sc->msk_devs[MSK_PORT_B] == NULL) {
1825 device_printf(dev, "failed to add child for PORT_B\n");
1829 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK | M_ZERO);
1831 device_printf(dev, "failed to allocate memory for "
1832 "ivars of PORT_B\n");
1836 mmd->port = MSK_PORT_B;
1837 mmd->pmd = sc->msk_pmd;
1838 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S' || sc->msk_pmd == 'P')
1839 mmd->mii_flags |= MIIF_HAVEFIBER;
1840 device_set_ivars(sc->msk_devs[MSK_PORT_B], mmd);
1843 error = bus_generic_attach(dev);
1845 device_printf(dev, "failed to attach port(s)\n");
1849 /* Hook interrupt last to avoid having to lock softc. */
1850 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET |
1851 INTR_MPSAFE, NULL, msk_intr, sc, &sc->msk_intrhand);
1853 device_printf(dev, "couldn't set up interrupt handler\n");
1864 * Shutdown hardware and free up resources. This can be called any
1865 * time after the mutex has been initialized. It is called in both
1866 * the error case in attach and the normal detach case so it needs
1867 * to be careful about only freeing resources that have actually been
1871 msk_detach(device_t dev)
1873 struct msk_softc *sc;
1874 struct msk_if_softc *sc_if;
1877 sc_if = device_get_softc(dev);
1878 KASSERT(mtx_initialized(&sc_if->msk_softc->msk_mtx),
1879 ("msk mutex not initialized in msk_detach"));
1882 ifp = sc_if->msk_ifp;
1883 if (device_is_attached(dev)) {
1885 sc_if->msk_flags |= MSK_FLAG_DETACH;
1887 /* Can't hold locks while calling detach. */
1888 MSK_IF_UNLOCK(sc_if);
1889 callout_drain(&sc_if->msk_tick_ch);
1890 ether_ifdetach(ifp);
1895 * We're generally called from mskc_detach() which is using
1896 * device_delete_child() to get to here. It's already trashed
1897 * miibus for us, so don't do it here or we'll panic.
1899 * if (sc_if->msk_miibus != NULL) {
1900 * device_delete_child(dev, sc_if->msk_miibus);
1901 * sc_if->msk_miibus = NULL;
1905 msk_rx_dma_jfree(sc_if);
1906 msk_txrx_dma_free(sc_if);
1907 bus_generic_detach(dev);
1911 sc = sc_if->msk_softc;
1912 sc->msk_if[sc_if->msk_port] = NULL;
1913 MSK_IF_UNLOCK(sc_if);
1919 mskc_detach(device_t dev)
1921 struct msk_softc *sc;
1923 sc = device_get_softc(dev);
1924 KASSERT(mtx_initialized(&sc->msk_mtx), ("msk mutex not initialized"));
1926 if (device_is_alive(dev)) {
1927 if (sc->msk_devs[MSK_PORT_A] != NULL) {
1928 free(device_get_ivars(sc->msk_devs[MSK_PORT_A]),
1930 device_delete_child(dev, sc->msk_devs[MSK_PORT_A]);
1932 if (sc->msk_devs[MSK_PORT_B] != NULL) {
1933 free(device_get_ivars(sc->msk_devs[MSK_PORT_B]),
1935 device_delete_child(dev, sc->msk_devs[MSK_PORT_B]);
1937 bus_generic_detach(dev);
1940 /* Disable all interrupts. */
1941 CSR_WRITE_4(sc, B0_IMSK, 0);
1942 CSR_READ_4(sc, B0_IMSK);
1943 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
1944 CSR_READ_4(sc, B0_HWE_IMSK);
1947 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF);
1949 /* Put hardware reset. */
1950 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1952 msk_status_dma_free(sc);
1954 if (sc->msk_intrhand) {
1955 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand);
1956 sc->msk_intrhand = NULL;
1958 bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq);
1959 if ((sc->msk_pflags & MSK_FLAG_MSI) != 0)
1960 pci_release_msi(dev);
1961 bus_release_resources(dev, sc->msk_res_spec, sc->msk_res);
1962 mtx_destroy(&sc->msk_mtx);
1967 struct msk_dmamap_arg {
1968 bus_addr_t msk_busaddr;
1972 msk_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1974 struct msk_dmamap_arg *ctx;
1979 ctx->msk_busaddr = segs[0].ds_addr;
1982 /* Create status DMA region. */
1984 msk_status_dma_alloc(struct msk_softc *sc)
1986 struct msk_dmamap_arg ctx;
1989 error = bus_dma_tag_create(
1990 bus_get_dma_tag(sc->msk_dev), /* parent */
1991 MSK_STAT_ALIGN, 0, /* alignment, boundary */
1992 BUS_SPACE_MAXADDR, /* lowaddr */
1993 BUS_SPACE_MAXADDR, /* highaddr */
1994 NULL, NULL, /* filter, filterarg */
1995 MSK_STAT_RING_SZ, /* maxsize */
1997 MSK_STAT_RING_SZ, /* maxsegsize */
1999 NULL, NULL, /* lockfunc, lockarg */
2002 device_printf(sc->msk_dev,
2003 "failed to create status DMA tag\n");
2007 /* Allocate DMA'able memory and load the DMA map for status ring. */
2008 error = bus_dmamem_alloc(sc->msk_stat_tag,
2009 (void **)&sc->msk_stat_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT |
2010 BUS_DMA_ZERO, &sc->msk_stat_map);
2012 device_printf(sc->msk_dev,
2013 "failed to allocate DMA'able memory for status ring\n");
2017 ctx.msk_busaddr = 0;
2018 error = bus_dmamap_load(sc->msk_stat_tag,
2019 sc->msk_stat_map, sc->msk_stat_ring, MSK_STAT_RING_SZ,
2020 msk_dmamap_cb, &ctx, 0);
2022 device_printf(sc->msk_dev,
2023 "failed to load DMA'able memory for status ring\n");
2026 sc->msk_stat_ring_paddr = ctx.msk_busaddr;
2032 msk_status_dma_free(struct msk_softc *sc)
2035 /* Destroy status block. */
2036 if (sc->msk_stat_tag) {
2037 if (sc->msk_stat_map) {
2038 bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map);
2039 if (sc->msk_stat_ring) {
2040 bus_dmamem_free(sc->msk_stat_tag,
2041 sc->msk_stat_ring, sc->msk_stat_map);
2042 sc->msk_stat_ring = NULL;
2044 sc->msk_stat_map = NULL;
2046 bus_dma_tag_destroy(sc->msk_stat_tag);
2047 sc->msk_stat_tag = NULL;
2052 msk_txrx_dma_alloc(struct msk_if_softc *sc_if)
2054 struct msk_dmamap_arg ctx;
2055 struct msk_txdesc *txd;
2056 struct msk_rxdesc *rxd;
2060 /* Create parent DMA tag. */
2063 * It seems that Yukon II supports full 64bits DMA operations. But
2064 * it needs two descriptors(list elements) for 64bits DMA operations.
2065 * Since we don't know what DMA address mappings(32bits or 64bits)
2066 * would be used in advance for each mbufs, we limits its DMA space
2067 * to be in range of 32bits address space. Otherwise, we should check
2068 * what DMA address is used and chain another descriptor for the
2069 * 64bits DMA operation. This also means descriptor ring size is
2070 * variable. Limiting DMA address to be in 32bit address space greatly
2071 * simplyfies descriptor handling and possibly would increase
2072 * performance a bit due to efficient handling of descriptors.
2073 * Apart from harassing checksum offloading mechanisms, it seems
2074 * it's really bad idea to use a seperate descriptor for 64bit
2075 * DMA operation to save small descriptor memory. Anyway, I've
2076 * never seen these exotic scheme on ethernet interface hardware.
2078 error = bus_dma_tag_create(
2079 bus_get_dma_tag(sc_if->msk_if_dev), /* parent */
2080 1, 0, /* alignment, boundary */
2081 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
2082 BUS_SPACE_MAXADDR, /* highaddr */
2083 NULL, NULL, /* filter, filterarg */
2084 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
2086 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
2088 NULL, NULL, /* lockfunc, lockarg */
2089 &sc_if->msk_cdata.msk_parent_tag);
2091 device_printf(sc_if->msk_if_dev,
2092 "failed to create parent DMA tag\n");
2095 /* Create tag for Tx ring. */
2096 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2097 MSK_RING_ALIGN, 0, /* alignment, boundary */
2098 BUS_SPACE_MAXADDR, /* lowaddr */
2099 BUS_SPACE_MAXADDR, /* highaddr */
2100 NULL, NULL, /* filter, filterarg */
2101 MSK_TX_RING_SZ, /* maxsize */
2103 MSK_TX_RING_SZ, /* maxsegsize */
2105 NULL, NULL, /* lockfunc, lockarg */
2106 &sc_if->msk_cdata.msk_tx_ring_tag);
2108 device_printf(sc_if->msk_if_dev,
2109 "failed to create Tx ring DMA tag\n");
2113 /* Create tag for Rx ring. */
2114 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2115 MSK_RING_ALIGN, 0, /* alignment, boundary */
2116 BUS_SPACE_MAXADDR, /* lowaddr */
2117 BUS_SPACE_MAXADDR, /* highaddr */
2118 NULL, NULL, /* filter, filterarg */
2119 MSK_RX_RING_SZ, /* maxsize */
2121 MSK_RX_RING_SZ, /* maxsegsize */
2123 NULL, NULL, /* lockfunc, lockarg */
2124 &sc_if->msk_cdata.msk_rx_ring_tag);
2126 device_printf(sc_if->msk_if_dev,
2127 "failed to create Rx ring DMA tag\n");
2131 /* Create tag for Tx buffers. */
2132 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2133 1, 0, /* alignment, boundary */
2134 BUS_SPACE_MAXADDR, /* lowaddr */
2135 BUS_SPACE_MAXADDR, /* highaddr */
2136 NULL, NULL, /* filter, filterarg */
2137 MSK_TSO_MAXSIZE, /* maxsize */
2138 MSK_MAXTXSEGS, /* nsegments */
2139 MSK_TSO_MAXSGSIZE, /* maxsegsize */
2141 NULL, NULL, /* lockfunc, lockarg */
2142 &sc_if->msk_cdata.msk_tx_tag);
2144 device_printf(sc_if->msk_if_dev,
2145 "failed to create Tx DMA tag\n");
2151 * Workaround hardware hang which seems to happen when Rx buffer
2152 * is not aligned on multiple of FIFO word(8 bytes).
2154 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2155 rxalign = MSK_RX_BUF_ALIGN;
2156 /* Create tag for Rx buffers. */
2157 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2158 rxalign, 0, /* alignment, boundary */
2159 BUS_SPACE_MAXADDR, /* lowaddr */
2160 BUS_SPACE_MAXADDR, /* highaddr */
2161 NULL, NULL, /* filter, filterarg */
2162 MCLBYTES, /* maxsize */
2164 MCLBYTES, /* maxsegsize */
2166 NULL, NULL, /* lockfunc, lockarg */
2167 &sc_if->msk_cdata.msk_rx_tag);
2169 device_printf(sc_if->msk_if_dev,
2170 "failed to create Rx DMA tag\n");
2174 /* Allocate DMA'able memory and load the DMA map for Tx ring. */
2175 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_tx_ring_tag,
2176 (void **)&sc_if->msk_rdata.msk_tx_ring, BUS_DMA_WAITOK |
2177 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_tx_ring_map);
2179 device_printf(sc_if->msk_if_dev,
2180 "failed to allocate DMA'able memory for Tx ring\n");
2184 ctx.msk_busaddr = 0;
2185 error = bus_dmamap_load(sc_if->msk_cdata.msk_tx_ring_tag,
2186 sc_if->msk_cdata.msk_tx_ring_map, sc_if->msk_rdata.msk_tx_ring,
2187 MSK_TX_RING_SZ, msk_dmamap_cb, &ctx, 0);
2189 device_printf(sc_if->msk_if_dev,
2190 "failed to load DMA'able memory for Tx ring\n");
2193 sc_if->msk_rdata.msk_tx_ring_paddr = ctx.msk_busaddr;
2195 /* Allocate DMA'able memory and load the DMA map for Rx ring. */
2196 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_rx_ring_tag,
2197 (void **)&sc_if->msk_rdata.msk_rx_ring, BUS_DMA_WAITOK |
2198 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_rx_ring_map);
2200 device_printf(sc_if->msk_if_dev,
2201 "failed to allocate DMA'able memory for Rx ring\n");
2205 ctx.msk_busaddr = 0;
2206 error = bus_dmamap_load(sc_if->msk_cdata.msk_rx_ring_tag,
2207 sc_if->msk_cdata.msk_rx_ring_map, sc_if->msk_rdata.msk_rx_ring,
2208 MSK_RX_RING_SZ, msk_dmamap_cb, &ctx, 0);
2210 device_printf(sc_if->msk_if_dev,
2211 "failed to load DMA'able memory for Rx ring\n");
2214 sc_if->msk_rdata.msk_rx_ring_paddr = ctx.msk_busaddr;
2216 /* Create DMA maps for Tx buffers. */
2217 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2218 txd = &sc_if->msk_cdata.msk_txdesc[i];
2220 txd->tx_dmamap = NULL;
2221 error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag, 0,
2224 device_printf(sc_if->msk_if_dev,
2225 "failed to create Tx dmamap\n");
2229 /* Create DMA maps for Rx buffers. */
2230 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2231 &sc_if->msk_cdata.msk_rx_sparemap)) != 0) {
2232 device_printf(sc_if->msk_if_dev,
2233 "failed to create spare Rx dmamap\n");
2236 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2237 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2239 rxd->rx_dmamap = NULL;
2240 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2243 device_printf(sc_if->msk_if_dev,
2244 "failed to create Rx dmamap\n");
2254 msk_rx_dma_jalloc(struct msk_if_softc *sc_if)
2256 struct msk_dmamap_arg ctx;
2257 struct msk_rxdesc *jrxd;
2261 if (jumbo_disable != 0 || (sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
2262 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2263 device_printf(sc_if->msk_if_dev,
2264 "disabling jumbo frame support\n");
2267 /* Create tag for jumbo Rx ring. */
2268 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2269 MSK_RING_ALIGN, 0, /* alignment, boundary */
2270 BUS_SPACE_MAXADDR, /* lowaddr */
2271 BUS_SPACE_MAXADDR, /* highaddr */
2272 NULL, NULL, /* filter, filterarg */
2273 MSK_JUMBO_RX_RING_SZ, /* maxsize */
2275 MSK_JUMBO_RX_RING_SZ, /* maxsegsize */
2277 NULL, NULL, /* lockfunc, lockarg */
2278 &sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2280 device_printf(sc_if->msk_if_dev,
2281 "failed to create jumbo Rx ring DMA tag\n");
2287 * Workaround hardware hang which seems to happen when Rx buffer
2288 * is not aligned on multiple of FIFO word(8 bytes).
2290 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2291 rxalign = MSK_RX_BUF_ALIGN;
2292 /* Create tag for jumbo Rx buffers. */
2293 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2294 rxalign, 0, /* alignment, boundary */
2295 BUS_SPACE_MAXADDR, /* lowaddr */
2296 BUS_SPACE_MAXADDR, /* highaddr */
2297 NULL, NULL, /* filter, filterarg */
2298 MJUM9BYTES, /* maxsize */
2300 MJUM9BYTES, /* maxsegsize */
2302 NULL, NULL, /* lockfunc, lockarg */
2303 &sc_if->msk_cdata.msk_jumbo_rx_tag);
2305 device_printf(sc_if->msk_if_dev,
2306 "failed to create jumbo Rx DMA tag\n");
2310 /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */
2311 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2312 (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring,
2313 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO,
2314 &sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2316 device_printf(sc_if->msk_if_dev,
2317 "failed to allocate DMA'able memory for jumbo Rx ring\n");
2321 ctx.msk_busaddr = 0;
2322 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2323 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
2324 sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ,
2325 msk_dmamap_cb, &ctx, 0);
2327 device_printf(sc_if->msk_if_dev,
2328 "failed to load DMA'able memory for jumbo Rx ring\n");
2331 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr;
2333 /* Create DMA maps for jumbo Rx buffers. */
2334 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2335 &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) {
2336 device_printf(sc_if->msk_if_dev,
2337 "failed to create spare jumbo Rx dmamap\n");
2340 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2341 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2343 jrxd->rx_dmamap = NULL;
2344 error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2347 device_printf(sc_if->msk_if_dev,
2348 "failed to create jumbo Rx dmamap\n");
2356 msk_rx_dma_jfree(sc_if);
2357 device_printf(sc_if->msk_if_dev, "disabling jumbo frame support "
2358 "due to resource shortage\n");
2359 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2364 msk_txrx_dma_free(struct msk_if_softc *sc_if)
2366 struct msk_txdesc *txd;
2367 struct msk_rxdesc *rxd;
2371 if (sc_if->msk_cdata.msk_tx_ring_tag) {
2372 if (sc_if->msk_cdata.msk_tx_ring_map)
2373 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag,
2374 sc_if->msk_cdata.msk_tx_ring_map);
2375 if (sc_if->msk_cdata.msk_tx_ring_map &&
2376 sc_if->msk_rdata.msk_tx_ring)
2377 bus_dmamem_free(sc_if->msk_cdata.msk_tx_ring_tag,
2378 sc_if->msk_rdata.msk_tx_ring,
2379 sc_if->msk_cdata.msk_tx_ring_map);
2380 sc_if->msk_rdata.msk_tx_ring = NULL;
2381 sc_if->msk_cdata.msk_tx_ring_map = NULL;
2382 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_ring_tag);
2383 sc_if->msk_cdata.msk_tx_ring_tag = NULL;
2386 if (sc_if->msk_cdata.msk_rx_ring_tag) {
2387 if (sc_if->msk_cdata.msk_rx_ring_map)
2388 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag,
2389 sc_if->msk_cdata.msk_rx_ring_map);
2390 if (sc_if->msk_cdata.msk_rx_ring_map &&
2391 sc_if->msk_rdata.msk_rx_ring)
2392 bus_dmamem_free(sc_if->msk_cdata.msk_rx_ring_tag,
2393 sc_if->msk_rdata.msk_rx_ring,
2394 sc_if->msk_cdata.msk_rx_ring_map);
2395 sc_if->msk_rdata.msk_rx_ring = NULL;
2396 sc_if->msk_cdata.msk_rx_ring_map = NULL;
2397 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag);
2398 sc_if->msk_cdata.msk_rx_ring_tag = NULL;
2401 if (sc_if->msk_cdata.msk_tx_tag) {
2402 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2403 txd = &sc_if->msk_cdata.msk_txdesc[i];
2404 if (txd->tx_dmamap) {
2405 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag,
2407 txd->tx_dmamap = NULL;
2410 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag);
2411 sc_if->msk_cdata.msk_tx_tag = NULL;
2414 if (sc_if->msk_cdata.msk_rx_tag) {
2415 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2416 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2417 if (rxd->rx_dmamap) {
2418 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2420 rxd->rx_dmamap = NULL;
2423 if (sc_if->msk_cdata.msk_rx_sparemap) {
2424 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2425 sc_if->msk_cdata.msk_rx_sparemap);
2426 sc_if->msk_cdata.msk_rx_sparemap = 0;
2428 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag);
2429 sc_if->msk_cdata.msk_rx_tag = NULL;
2431 if (sc_if->msk_cdata.msk_parent_tag) {
2432 bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag);
2433 sc_if->msk_cdata.msk_parent_tag = NULL;
2438 msk_rx_dma_jfree(struct msk_if_softc *sc_if)
2440 struct msk_rxdesc *jrxd;
2443 /* Jumbo Rx ring. */
2444 if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) {
2445 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map)
2446 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2447 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2448 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map &&
2449 sc_if->msk_rdata.msk_jumbo_rx_ring)
2450 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2451 sc_if->msk_rdata.msk_jumbo_rx_ring,
2452 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2453 sc_if->msk_rdata.msk_jumbo_rx_ring = NULL;
2454 sc_if->msk_cdata.msk_jumbo_rx_ring_map = NULL;
2455 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2456 sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL;
2458 /* Jumbo Rx buffers. */
2459 if (sc_if->msk_cdata.msk_jumbo_rx_tag) {
2460 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2461 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2462 if (jrxd->rx_dmamap) {
2464 sc_if->msk_cdata.msk_jumbo_rx_tag,
2466 jrxd->rx_dmamap = NULL;
2469 if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) {
2470 bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag,
2471 sc_if->msk_cdata.msk_jumbo_rx_sparemap);
2472 sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0;
2474 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag);
2475 sc_if->msk_cdata.msk_jumbo_rx_tag = NULL;
2480 msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head)
2482 struct msk_txdesc *txd, *txd_last;
2483 struct msk_tx_desc *tx_le;
2486 bus_dma_segment_t txsegs[MSK_MAXTXSEGS];
2487 uint32_t control, csum, prod, si;
2488 uint16_t offset, tcp_offset, tso_mtu;
2489 int error, i, nseg, tso;
2491 MSK_IF_LOCK_ASSERT(sc_if);
2493 tcp_offset = offset = 0;
2495 if (((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2496 (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) ||
2497 ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
2498 (m->m_pkthdr.csum_flags & CSUM_TSO) != 0)) {
2500 * Since mbuf has no protocol specific structure information
2501 * in it we have to inspect protocol information here to
2502 * setup TSO and checksum offload. I don't know why Marvell
2503 * made a such decision in chip design because other GigE
2504 * hardwares normally takes care of all these chores in
2505 * hardware. However, TSO performance of Yukon II is very
2506 * good such that it's worth to implement it.
2508 struct ether_header *eh;
2512 if (M_WRITABLE(m) == 0) {
2513 /* Get a writable copy. */
2514 m = m_dup(*m_head, M_DONTWAIT);
2523 offset = sizeof(struct ether_header);
2524 m = m_pullup(m, offset);
2529 eh = mtod(m, struct ether_header *);
2530 /* Check if hardware VLAN insertion is off. */
2531 if (eh->ether_type == htons(ETHERTYPE_VLAN)) {
2532 offset = sizeof(struct ether_vlan_header);
2533 m = m_pullup(m, offset);
2539 m = m_pullup(m, offset + sizeof(struct ip));
2544 ip = (struct ip *)(mtod(m, char *) + offset);
2545 offset += (ip->ip_hl << 2);
2546 tcp_offset = offset;
2547 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2548 m = m_pullup(m, offset + sizeof(struct tcphdr));
2553 tcp = (struct tcphdr *)(mtod(m, char *) + offset);
2554 offset += (tcp->th_off << 2);
2555 } else if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2556 (m->m_pkthdr.len < MSK_MIN_FRAMELEN) &&
2557 (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) {
2559 * It seems that Yukon II has Tx checksum offload bug
2560 * for small TCP packets that's less than 60 bytes in
2561 * size (e.g. TCP window probe packet, pure ACK packet).
2562 * Common work around like padding with zeros to make
2563 * the frame minimum ethernet frame size didn't work at
2565 * Instead of disabling checksum offload completely we
2566 * resort to S/W checksum routine when we encounter
2568 * Short UDP packets appear to be handled correctly by
2569 * Yukon II. Also I assume this bug does not happen on
2570 * controllers that use newer descriptor format or
2571 * automatic Tx checksum calaulcation.
2573 m = m_pullup(m, offset + sizeof(struct tcphdr));
2578 *(uint16_t *)(m->m_data + offset +
2579 m->m_pkthdr.csum_data) = in_cksum_skip(m,
2580 m->m_pkthdr.len, offset);
2581 m->m_pkthdr.csum_flags &= ~CSUM_TCP;
2586 prod = sc_if->msk_cdata.msk_tx_prod;
2587 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2589 map = txd->tx_dmamap;
2590 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map,
2591 *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2592 if (error == EFBIG) {
2593 m = m_collapse(*m_head, M_DONTWAIT, MSK_MAXTXSEGS);
2600 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag,
2601 map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2607 } else if (error != 0)
2615 /* Check number of available descriptors. */
2616 if (sc_if->msk_cdata.msk_tx_cnt + nseg >=
2617 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT)) {
2618 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, map);
2626 /* Check TSO support. */
2627 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2628 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2629 tso_mtu = m->m_pkthdr.tso_segsz;
2631 tso_mtu = offset + m->m_pkthdr.tso_segsz;
2632 if (tso_mtu != sc_if->msk_cdata.msk_tso_mtu) {
2633 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2634 tx_le->msk_addr = htole32(tso_mtu);
2635 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2636 tx_le->msk_control = htole32(OP_MSS | HW_OWNER);
2638 tx_le->msk_control =
2639 htole32(OP_LRGLEN | HW_OWNER);
2640 sc_if->msk_cdata.msk_tx_cnt++;
2641 MSK_INC(prod, MSK_TX_RING_CNT);
2642 sc_if->msk_cdata.msk_tso_mtu = tso_mtu;
2646 /* Check if we have a VLAN tag to insert. */
2647 if ((m->m_flags & M_VLANTAG) != 0) {
2648 if (tx_le == NULL) {
2649 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2650 tx_le->msk_addr = htole32(0);
2651 tx_le->msk_control = htole32(OP_VLAN | HW_OWNER |
2652 htons(m->m_pkthdr.ether_vtag));
2653 sc_if->msk_cdata.msk_tx_cnt++;
2654 MSK_INC(prod, MSK_TX_RING_CNT);
2656 tx_le->msk_control |= htole32(OP_VLAN |
2657 htons(m->m_pkthdr.ether_vtag));
2659 control |= INS_VLAN;
2661 /* Check if we have to handle checksum offload. */
2662 if (tso == 0 && (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) {
2663 if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) != 0)
2666 control |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
2667 if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0)
2669 /* Checksum write position. */
2670 csum = (tcp_offset + m->m_pkthdr.csum_data) & 0xffff;
2671 /* Checksum start position. */
2672 csum |= (uint32_t)tcp_offset << 16;
2673 if (csum != sc_if->msk_cdata.msk_last_csum) {
2674 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2675 tx_le->msk_addr = htole32(csum);
2676 tx_le->msk_control = htole32(1 << 16 |
2677 (OP_TCPLISW | HW_OWNER));
2678 sc_if->msk_cdata.msk_tx_cnt++;
2679 MSK_INC(prod, MSK_TX_RING_CNT);
2680 sc_if->msk_cdata.msk_last_csum = csum;
2686 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2687 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr));
2689 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2692 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2694 sc_if->msk_cdata.msk_tx_cnt++;
2695 MSK_INC(prod, MSK_TX_RING_CNT);
2697 for (i = 1; i < nseg; i++) {
2698 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2699 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr));
2700 tx_le->msk_control = htole32(txsegs[i].ds_len | control |
2701 OP_BUFFER | HW_OWNER);
2702 sc_if->msk_cdata.msk_tx_cnt++;
2703 MSK_INC(prod, MSK_TX_RING_CNT);
2705 /* Update producer index. */
2706 sc_if->msk_cdata.msk_tx_prod = prod;
2708 /* Set EOP on the last desciptor. */
2709 prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT;
2710 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2711 tx_le->msk_control |= htole32(EOP);
2713 /* Turn the first descriptor ownership to hardware. */
2714 tx_le = &sc_if->msk_rdata.msk_tx_ring[si];
2715 tx_le->msk_control |= htole32(HW_OWNER);
2717 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2718 map = txd_last->tx_dmamap;
2719 txd_last->tx_dmamap = txd->tx_dmamap;
2720 txd->tx_dmamap = map;
2723 /* Sync descriptors. */
2724 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE);
2725 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
2726 sc_if->msk_cdata.msk_tx_ring_map,
2727 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
2733 msk_start(struct ifnet *ifp)
2735 struct msk_if_softc *sc_if;
2737 sc_if = ifp->if_softc;
2739 msk_start_locked(ifp);
2740 MSK_IF_UNLOCK(sc_if);
2744 msk_start_locked(struct ifnet *ifp)
2746 struct msk_if_softc *sc_if;
2747 struct mbuf *m_head;
2750 sc_if = ifp->if_softc;
2751 MSK_IF_LOCK_ASSERT(sc_if);
2753 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
2754 IFF_DRV_RUNNING || (sc_if->msk_flags & MSK_FLAG_LINK) == 0)
2757 for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) &&
2758 sc_if->msk_cdata.msk_tx_cnt <
2759 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT); ) {
2760 IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
2764 * Pack the data into the transmit ring. If we
2765 * don't have room, set the OACTIVE flag and wait
2766 * for the NIC to drain the ring.
2768 if (msk_encap(sc_if, &m_head) != 0) {
2771 IFQ_DRV_PREPEND(&ifp->if_snd, m_head);
2772 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2778 * If there's a BPF listener, bounce a copy of this frame
2781 ETHER_BPF_MTAP(ifp, m_head);
2786 CSR_WRITE_2(sc_if->msk_softc,
2787 Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG),
2788 sc_if->msk_cdata.msk_tx_prod);
2790 /* Set a timeout in case the chip goes out to lunch. */
2791 sc_if->msk_watchdog_timer = MSK_TX_TIMEOUT;
2796 msk_watchdog(struct msk_if_softc *sc_if)
2800 MSK_IF_LOCK_ASSERT(sc_if);
2802 if (sc_if->msk_watchdog_timer == 0 || --sc_if->msk_watchdog_timer)
2804 ifp = sc_if->msk_ifp;
2805 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0) {
2807 if_printf(sc_if->msk_ifp, "watchdog timeout "
2810 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2811 msk_init_locked(sc_if);
2815 if_printf(ifp, "watchdog timeout\n");
2817 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2818 msk_init_locked(sc_if);
2819 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
2820 msk_start_locked(ifp);
2824 mskc_shutdown(device_t dev)
2826 struct msk_softc *sc;
2829 sc = device_get_softc(dev);
2831 for (i = 0; i < sc->msk_num_port; i++) {
2832 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
2833 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
2834 IFF_DRV_RUNNING) != 0))
2835 msk_stop(sc->msk_if[i]);
2839 /* Put hardware reset. */
2840 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
2845 mskc_suspend(device_t dev)
2847 struct msk_softc *sc;
2850 sc = device_get_softc(dev);
2854 for (i = 0; i < sc->msk_num_port; i++) {
2855 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
2856 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
2857 IFF_DRV_RUNNING) != 0))
2858 msk_stop(sc->msk_if[i]);
2861 /* Disable all interrupts. */
2862 CSR_WRITE_4(sc, B0_IMSK, 0);
2863 CSR_READ_4(sc, B0_IMSK);
2864 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
2865 CSR_READ_4(sc, B0_HWE_IMSK);
2867 msk_phy_power(sc, MSK_PHY_POWERDOWN);
2869 /* Put hardware reset. */
2870 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
2871 sc->msk_pflags |= MSK_FLAG_SUSPEND;
2879 mskc_resume(device_t dev)
2881 struct msk_softc *sc;
2884 sc = device_get_softc(dev);
2889 for (i = 0; i < sc->msk_num_port; i++) {
2890 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
2891 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0)) {
2892 sc->msk_if[i]->msk_ifp->if_drv_flags &=
2894 msk_init_locked(sc->msk_if[i]);
2897 sc->msk_pflags &= ~MSK_FLAG_SUSPEND;
2904 #ifndef __NO_STRICT_ALIGNMENT
2905 static __inline void
2906 msk_fixup_rx(struct mbuf *m)
2909 uint16_t *src, *dst;
2911 src = mtod(m, uint16_t *);
2914 for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++)
2917 m->m_data -= (MSK_RX_BUF_ALIGN - ETHER_ALIGN);
2922 msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
2927 struct msk_rxdesc *rxd;
2930 ifp = sc_if->msk_ifp;
2932 MSK_IF_LOCK_ASSERT(sc_if);
2934 cons = sc_if->msk_cdata.msk_rx_cons;
2936 rxlen = status >> 16;
2937 if ((status & GMR_FS_VLAN) != 0 &&
2938 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
2939 rxlen -= ETHER_VLAN_ENCAP_LEN;
2940 if ((sc_if->msk_flags & MSK_FLAG_NORXCHK) != 0) {
2942 * For controllers that returns bogus status code
2943 * just do minimal check and let upper stack
2944 * handle this frame.
2946 if (len > MSK_MAX_FRAMELEN || len < ETHER_HDR_LEN) {
2948 msk_discard_rxbuf(sc_if, cons);
2951 } else if (len > sc_if->msk_framesize ||
2952 ((status & GMR_FS_ANY_ERR) != 0) ||
2953 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
2954 /* Don't count flow-control packet as errors. */
2955 if ((status & GMR_FS_GOOD_FC) == 0)
2957 msk_discard_rxbuf(sc_if, cons);
2960 rxd = &sc_if->msk_cdata.msk_rxdesc[cons];
2962 if (msk_newbuf(sc_if, cons) != 0) {
2964 /* Reuse old buffer. */
2965 msk_discard_rxbuf(sc_if, cons);
2968 m->m_pkthdr.rcvif = ifp;
2969 m->m_pkthdr.len = m->m_len = len;
2970 #ifndef __NO_STRICT_ALIGNMENT
2971 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2975 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0 &&
2976 (control & (CSS_IPV4 | CSS_IPFRAG)) == CSS_IPV4) {
2977 m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
2978 if ((control & CSS_IPV4_CSUM_OK) != 0)
2979 m->m_pkthdr.csum_flags |= CSUM_IP_VALID;
2980 if ((control & (CSS_TCP | CSS_UDP)) != 0 &&
2981 (control & (CSS_TCPUDP_CSUM_OK)) != 0) {
2982 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID |
2984 m->m_pkthdr.csum_data = 0xffff;
2987 /* Check for VLAN tagged packets. */
2988 if ((status & GMR_FS_VLAN) != 0 &&
2989 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
2990 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
2991 m->m_flags |= M_VLANTAG;
2993 MSK_IF_UNLOCK(sc_if);
2994 (*ifp->if_input)(ifp, m);
2998 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
2999 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT);
3003 msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
3008 struct msk_rxdesc *jrxd;
3011 ifp = sc_if->msk_ifp;
3013 MSK_IF_LOCK_ASSERT(sc_if);
3015 cons = sc_if->msk_cdata.msk_rx_cons;
3017 rxlen = status >> 16;
3018 if ((status & GMR_FS_VLAN) != 0 &&
3019 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
3020 rxlen -= ETHER_VLAN_ENCAP_LEN;
3021 if (len > sc_if->msk_framesize ||
3022 ((status & GMR_FS_ANY_ERR) != 0) ||
3023 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
3024 /* Don't count flow-control packet as errors. */
3025 if ((status & GMR_FS_GOOD_FC) == 0)
3027 msk_discard_jumbo_rxbuf(sc_if, cons);
3030 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons];
3032 if (msk_jumbo_newbuf(sc_if, cons) != 0) {
3034 /* Reuse old buffer. */
3035 msk_discard_jumbo_rxbuf(sc_if, cons);
3038 m->m_pkthdr.rcvif = ifp;
3039 m->m_pkthdr.len = m->m_len = len;
3040 #ifndef __NO_STRICT_ALIGNMENT
3041 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
3045 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0 &&
3046 (control & (CSS_IPV4 | CSS_IPFRAG)) == CSS_IPV4) {
3047 m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
3048 if ((control & CSS_IPV4_CSUM_OK) != 0)
3049 m->m_pkthdr.csum_flags |= CSUM_IP_VALID;
3050 if ((control & (CSS_TCP | CSS_UDP)) != 0 &&
3051 (control & (CSS_TCPUDP_CSUM_OK)) != 0) {
3052 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID |
3054 m->m_pkthdr.csum_data = 0xffff;
3057 /* Check for VLAN tagged packets. */
3058 if ((status & GMR_FS_VLAN) != 0 &&
3059 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
3060 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
3061 m->m_flags |= M_VLANTAG;
3063 MSK_IF_UNLOCK(sc_if);
3064 (*ifp->if_input)(ifp, m);
3068 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
3069 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT);
3073 msk_txeof(struct msk_if_softc *sc_if, int idx)
3075 struct msk_txdesc *txd;
3076 struct msk_tx_desc *cur_tx;
3081 MSK_IF_LOCK_ASSERT(sc_if);
3083 ifp = sc_if->msk_ifp;
3085 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
3086 sc_if->msk_cdata.msk_tx_ring_map,
3087 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3089 * Go through our tx ring and free mbufs for those
3090 * frames that have been sent.
3092 cons = sc_if->msk_cdata.msk_tx_cons;
3094 for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) {
3095 if (sc_if->msk_cdata.msk_tx_cnt <= 0)
3098 cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons];
3099 control = le32toh(cur_tx->msk_control);
3100 sc_if->msk_cdata.msk_tx_cnt--;
3101 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3102 if ((control & EOP) == 0)
3104 txd = &sc_if->msk_cdata.msk_txdesc[cons];
3105 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap,
3106 BUS_DMASYNC_POSTWRITE);
3107 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap);
3110 KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!",
3117 sc_if->msk_cdata.msk_tx_cons = cons;
3118 if (sc_if->msk_cdata.msk_tx_cnt == 0)
3119 sc_if->msk_watchdog_timer = 0;
3120 /* No need to sync LEs as we didn't update LEs. */
3125 msk_tick(void *xsc_if)
3127 struct msk_if_softc *sc_if;
3128 struct mii_data *mii;
3132 MSK_IF_LOCK_ASSERT(sc_if);
3134 mii = device_get_softc(sc_if->msk_miibus);
3137 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0)
3138 msk_miibus_statchg(sc_if->msk_if_dev);
3139 msk_handle_events(sc_if->msk_softc);
3140 msk_watchdog(sc_if);
3141 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
3145 msk_intr_phy(struct msk_if_softc *sc_if)
3149 msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3150 status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3151 /* Handle FIFO Underrun/Overflow? */
3152 if ((status & PHY_M_IS_FIFO_ERROR))
3153 device_printf(sc_if->msk_if_dev,
3154 "PHY FIFO underrun/overflow.\n");
3158 msk_intr_gmac(struct msk_if_softc *sc_if)
3160 struct msk_softc *sc;
3163 sc = sc_if->msk_softc;
3164 status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3166 /* GMAC Rx FIFO overrun. */
3167 if ((status & GM_IS_RX_FF_OR) != 0)
3168 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
3170 /* GMAC Tx FIFO underrun. */
3171 if ((status & GM_IS_TX_FF_UR) != 0) {
3172 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3174 device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n");
3177 * In case of Tx underrun, we may need to flush/reset
3178 * Tx MAC but that would also require resynchronization
3179 * with status LEs. Reintializing status LEs would
3180 * affect other port in dual MAC configuration so it
3181 * should be avoided as possible as we can.
3182 * Due to lack of documentation it's all vague guess but
3183 * it needs more investigation.
3189 msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status)
3191 struct msk_softc *sc;
3193 sc = sc_if->msk_softc;
3194 if ((status & Y2_IS_PAR_RD1) != 0) {
3195 device_printf(sc_if->msk_if_dev,
3196 "RAM buffer read parity error\n");
3198 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3201 if ((status & Y2_IS_PAR_WR1) != 0) {
3202 device_printf(sc_if->msk_if_dev,
3203 "RAM buffer write parity error\n");
3205 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3208 if ((status & Y2_IS_PAR_MAC1) != 0) {
3209 device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n");
3211 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3214 if ((status & Y2_IS_PAR_RX1) != 0) {
3215 device_printf(sc_if->msk_if_dev, "Rx parity error\n");
3217 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR);
3219 if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) {
3220 device_printf(sc_if->msk_if_dev, "TCP segmentation error\n");
3222 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP);
3227 msk_intr_hwerr(struct msk_softc *sc)
3230 uint32_t tlphead[4];
3232 status = CSR_READ_4(sc, B0_HWE_ISRC);
3233 /* Time Stamp timer overflow. */
3234 if ((status & Y2_IS_TIST_OV) != 0)
3235 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
3236 if ((status & Y2_IS_PCI_NEXP) != 0) {
3238 * PCI Express Error occured which is not described in PEX
3240 * This error is also mapped either to Master Abort(
3241 * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and
3242 * can only be cleared there.
3244 device_printf(sc->msk_dev,
3245 "PCI Express protocol violation error\n");
3248 if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) {
3251 if ((status & Y2_IS_MST_ERR) != 0)
3252 device_printf(sc->msk_dev,
3253 "unexpected IRQ Status error\n");
3255 device_printf(sc->msk_dev,
3256 "unexpected IRQ Master error\n");
3257 /* Reset all bits in the PCI status register. */
3258 v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
3259 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3260 pci_write_config(sc->msk_dev, PCIR_STATUS, v16 |
3261 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
3262 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2);
3263 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3266 /* Check for PCI Express Uncorrectable Error. */
3267 if ((status & Y2_IS_PCI_EXP) != 0) {
3271 * On PCI Express bus bridges are called root complexes (RC).
3272 * PCI Express errors are recognized by the root complex too,
3273 * which requests the system to handle the problem. After
3274 * error occurence it may be that no access to the adapter
3275 * may be performed any longer.
3278 v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
3279 if ((v32 & PEX_UNSUP_REQ) != 0) {
3280 /* Ignore unsupported request error. */
3281 device_printf(sc->msk_dev,
3282 "Uncorrectable PCI Express error\n");
3284 if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) {
3287 /* Get TLP header form Log Registers. */
3288 for (i = 0; i < 4; i++)
3289 tlphead[i] = CSR_PCI_READ_4(sc,
3290 PEX_HEADER_LOG + i * 4);
3291 /* Check for vendor defined broadcast message. */
3292 if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) {
3293 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
3294 CSR_WRITE_4(sc, B0_HWE_IMSK,
3295 sc->msk_intrhwemask);
3296 CSR_READ_4(sc, B0_HWE_IMSK);
3299 /* Clear the interrupt. */
3300 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3301 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
3302 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3305 if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL)
3306 msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status);
3307 if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL)
3308 msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8);
3311 static __inline void
3312 msk_rxput(struct msk_if_softc *sc_if)
3314 struct msk_softc *sc;
3316 sc = sc_if->msk_softc;
3317 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN))
3319 sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
3320 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
3321 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3324 sc_if->msk_cdata.msk_rx_ring_tag,
3325 sc_if->msk_cdata.msk_rx_ring_map,
3326 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3327 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq,
3328 PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod);
3332 msk_handle_events(struct msk_softc *sc)
3334 struct msk_if_softc *sc_if;
3336 struct msk_stat_desc *sd;
3337 uint32_t control, status;
3338 int cons, len, port, rxprog;
3340 if (sc->msk_stat_cons == CSR_READ_2(sc, STAT_PUT_IDX))
3343 /* Sync status LEs. */
3344 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3345 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3347 rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0;
3349 cons = sc->msk_stat_cons;
3351 sd = &sc->msk_stat_ring[cons];
3352 control = le32toh(sd->msk_control);
3353 if ((control & HW_OWNER) == 0)
3355 control &= ~HW_OWNER;
3356 sd->msk_control = htole32(control);
3357 status = le32toh(sd->msk_status);
3358 len = control & STLE_LEN_MASK;
3359 port = (control >> 16) & 0x01;
3360 sc_if = sc->msk_if[port];
3361 if (sc_if == NULL) {
3362 device_printf(sc->msk_dev, "invalid port opcode "
3363 "0x%08x\n", control & STLE_OP_MASK);
3367 switch (control & STLE_OP_MASK) {
3369 sc_if->msk_vtag = ntohs(len);
3372 sc_if->msk_vtag = ntohs(len);
3375 if (!(sc_if->msk_ifp->if_drv_flags & IFF_DRV_RUNNING))
3377 if (sc_if->msk_framesize >
3378 (MCLBYTES - MSK_RX_BUF_ALIGN))
3379 msk_jumbo_rxeof(sc_if, status, control, len);
3381 msk_rxeof(sc_if, status, control, len);
3384 * Because there is no way to sync single Rx LE
3385 * put the DMA sync operation off until the end of
3389 /* Update prefetch unit if we've passed water mark. */
3390 if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) {
3396 if (sc->msk_if[MSK_PORT_A] != NULL)
3397 msk_txeof(sc->msk_if[MSK_PORT_A],
3398 status & STLE_TXA1_MSKL);
3399 if (sc->msk_if[MSK_PORT_B] != NULL)
3400 msk_txeof(sc->msk_if[MSK_PORT_B],
3401 ((status & STLE_TXA2_MSKL) >>
3403 ((len & STLE_TXA2_MSKH) <<
3407 device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n",
3408 control & STLE_OP_MASK);
3411 MSK_INC(cons, MSK_STAT_RING_CNT);
3412 if (rxprog > sc->msk_process_limit)
3416 sc->msk_stat_cons = cons;
3417 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3418 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3420 if (rxput[MSK_PORT_A] > 0)
3421 msk_rxput(sc->msk_if[MSK_PORT_A]);
3422 if (rxput[MSK_PORT_B] > 0)
3423 msk_rxput(sc->msk_if[MSK_PORT_B]);
3425 return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX));
3431 struct msk_softc *sc;
3432 struct msk_if_softc *sc_if0, *sc_if1;
3433 struct ifnet *ifp0, *ifp1;
3440 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */
3441 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2);
3442 if (status == 0 || status == 0xffffffff ||
3443 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 ||
3444 (status & sc->msk_intrmask) == 0) {
3445 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3450 sc_if0 = sc->msk_if[MSK_PORT_A];
3451 sc_if1 = sc->msk_if[MSK_PORT_B];
3454 ifp0 = sc_if0->msk_ifp;
3456 ifp1 = sc_if1->msk_ifp;
3458 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL)
3459 msk_intr_phy(sc_if0);
3460 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL)
3461 msk_intr_phy(sc_if1);
3462 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL)
3463 msk_intr_gmac(sc_if0);
3464 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL)
3465 msk_intr_gmac(sc_if1);
3466 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) {
3467 device_printf(sc->msk_dev, "Rx descriptor error\n");
3468 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2);
3469 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3470 CSR_READ_4(sc, B0_IMSK);
3472 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) {
3473 device_printf(sc->msk_dev, "Tx descriptor error\n");
3474 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2);
3475 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3476 CSR_READ_4(sc, B0_IMSK);
3478 if ((status & Y2_IS_HW_ERR) != 0)
3481 domore = msk_handle_events(sc);
3482 if ((status & Y2_IS_STAT_BMU) != 0 && domore == 0)
3483 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ);
3485 /* Reenable interrupts. */
3486 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3488 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3489 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd))
3490 msk_start_locked(ifp0);
3491 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3492 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd))
3493 msk_start_locked(ifp1);
3499 msk_set_tx_stfwd(struct msk_if_softc *sc_if)
3501 struct msk_softc *sc;
3504 ifp = sc_if->msk_ifp;
3505 sc = sc_if->msk_softc;
3506 switch (sc->msk_hw_id) {
3507 case CHIP_ID_YUKON_EX:
3508 if (sc->msk_hw_rev == CHIP_REV_YU_EX_A0)
3509 goto yukon_ex_workaround;
3510 if (ifp->if_mtu > ETHERMTU)
3512 MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3513 TX_JUMBO_ENA | TX_STFW_ENA);
3516 MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3517 TX_JUMBO_DIS | TX_STFW_ENA);
3520 yukon_ex_workaround:
3521 if (ifp->if_mtu > ETHERMTU) {
3522 /* Set Tx GMAC FIFO Almost Empty Threshold. */
3524 MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR),
3525 MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR);
3526 /* Disable Store & Forward mode for Tx. */
3528 MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3529 TX_JUMBO_ENA | TX_STFW_DIS);
3531 /* Enable Store & Forward mode for Tx. */
3533 MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3534 TX_JUMBO_DIS | TX_STFW_ENA);
3543 struct msk_if_softc *sc_if = xsc;
3546 msk_init_locked(sc_if);
3547 MSK_IF_UNLOCK(sc_if);
3551 msk_init_locked(struct msk_if_softc *sc_if)
3553 struct msk_softc *sc;
3555 struct mii_data *mii;
3561 MSK_IF_LOCK_ASSERT(sc_if);
3563 ifp = sc_if->msk_ifp;
3564 sc = sc_if->msk_softc;
3565 mii = device_get_softc(sc_if->msk_miibus);
3567 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
3571 /* Cancel pending I/O and free all Rx/Tx buffers. */
3574 if (ifp->if_mtu < ETHERMTU)
3575 sc_if->msk_framesize = ETHERMTU;
3577 sc_if->msk_framesize = ifp->if_mtu;
3578 sc_if->msk_framesize += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
3579 if (ifp->if_mtu > ETHERMTU &&
3580 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
3581 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
3582 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
3585 /* GMAC Control reset. */
3586 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_SET);
3587 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_CLR);
3588 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_F_LOOPB_OFF);
3589 if (sc->msk_hw_id == CHIP_ID_YUKON_EX)
3590 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL),
3591 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
3595 * Initialize GMAC first such that speed/duplex/flow-control
3596 * parameters are renegotiated when interface is brought up.
3598 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, 0);
3600 /* Dummy read the Interrupt Source Register. */
3601 CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3603 /* Clear MIB stats. */
3604 msk_stats_clear(sc_if);
3607 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS);
3609 /* Setup Transmit Control Register. */
3610 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF));
3612 /* Setup Transmit Flow Control Register. */
3613 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff);
3615 /* Setup Transmit Parameter Register. */
3616 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM,
3617 TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) |
3618 TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF));
3620 gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) |
3621 GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
3623 if (ifp->if_mtu > ETHERMTU)
3624 gmac |= GM_SMOD_JUMBO_ENA;
3625 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac);
3627 /* Set station address. */
3628 eaddr = IF_LLADDR(ifp);
3629 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L,
3630 eaddr[0] | (eaddr[1] << 8));
3631 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1M,
3632 eaddr[2] | (eaddr[3] << 8));
3633 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1H,
3634 eaddr[4] | (eaddr[5] << 8));
3635 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L,
3636 eaddr[0] | (eaddr[1] << 8));
3637 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2M,
3638 eaddr[2] | (eaddr[3] << 8));
3639 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2H,
3640 eaddr[4] | (eaddr[5] << 8));
3642 /* Disable interrupts for counter overflows. */
3643 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0);
3644 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0);
3645 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0);
3647 /* Configure Rx MAC FIFO. */
3648 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
3649 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR);
3650 reg = GMF_OPER_ON | GMF_RX_F_FL_ON;
3651 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P ||
3652 sc->msk_hw_id == CHIP_ID_YUKON_EX)
3653 reg |= GMF_RX_OVER_ON;
3654 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), reg);
3656 /* Set receive filter. */
3657 msk_rxfilter(sc_if);
3659 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
3660 /* Clear flush mask - HW bug. */
3661 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 0);
3663 /* Flush Rx MAC FIFO on any flow control or error. */
3664 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK),
3669 * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word
3670 * due to hardware hang on receipt of pause frames.
3672 reg = RX_GMF_FL_THR_DEF + 1;
3673 /* Another magic for Yukon FE+ - From Linux. */
3674 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3675 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0)
3677 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), reg);
3679 /* Configure Tx MAC FIFO. */
3680 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
3681 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR);
3682 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON);
3684 /* Configure hardware VLAN tag insertion/stripping. */
3685 msk_setvlan(sc_if, ifp);
3687 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) {
3688 /* Set Rx Pause threshould. */
3689 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR),
3691 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR),
3693 /* Configure store-and-forward for Tx. */
3694 msk_set_tx_stfwd(sc_if);
3697 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3698 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
3699 /* Disable dynamic watermark - from Linux. */
3700 reg = CSR_READ_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA));
3702 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA), reg);
3706 * Disable Force Sync bit and Alloc bit in Tx RAM interface
3707 * arbiter as we don't use Sync Tx queue.
3709 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL),
3710 TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
3711 /* Enable the RAM Interface Arbiter. */
3712 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB);
3714 /* Setup RAM buffer. */
3715 msk_set_rambuffer(sc_if);
3717 /* Disable Tx sync Queue. */
3718 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET);
3720 /* Setup Tx Queue Bus Memory Interface. */
3721 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET);
3722 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT);
3723 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON);
3724 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM);
3725 switch (sc->msk_hw_id) {
3726 case CHIP_ID_YUKON_EC_U:
3727 if (sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) {
3728 /* Fix for Yukon-EC Ultra: set BMU FIFO level */
3729 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL),
3733 case CHIP_ID_YUKON_EX:
3735 * Yukon Extreme seems to have silicon bug for
3736 * automatic Tx checksum calculation capability.
3738 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
3739 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_F),
3744 /* Setup Rx Queue Bus Memory Interface. */
3745 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET);
3746 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT);
3747 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON);
3748 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM);
3749 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U &&
3750 sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) {
3751 /* MAC Rx RAM Read is controlled by hardware. */
3752 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS);
3755 msk_set_prefetch(sc, sc_if->msk_txq,
3756 sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1);
3757 msk_init_tx_ring(sc_if);
3759 /* Disable Rx checksum offload and RSS hash. */
3760 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR),
3761 BMU_DIS_RX_CHKSUM | BMU_DIS_RX_RSS_HASH);
3762 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) {
3763 msk_set_prefetch(sc, sc_if->msk_rxq,
3764 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr,
3765 MSK_JUMBO_RX_RING_CNT - 1);
3766 error = msk_init_jumbo_rx_ring(sc_if);
3768 msk_set_prefetch(sc, sc_if->msk_rxq,
3769 sc_if->msk_rdata.msk_rx_ring_paddr,
3770 MSK_RX_RING_CNT - 1);
3771 error = msk_init_rx_ring(sc_if);
3774 device_printf(sc_if->msk_if_dev,
3775 "initialization failed: no memory for Rx buffers\n");
3779 if (sc->msk_hw_id == CHIP_ID_YUKON_EX) {
3780 /* Disable flushing of non-ASF packets. */
3781 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
3782 GMF_RX_MACSEC_FLUSH_OFF);
3785 /* Configure interrupt handling. */
3786 if (sc_if->msk_port == MSK_PORT_A) {
3787 sc->msk_intrmask |= Y2_IS_PORT_A;
3788 sc->msk_intrhwemask |= Y2_HWE_L1_MASK;
3790 sc->msk_intrmask |= Y2_IS_PORT_B;
3791 sc->msk_intrhwemask |= Y2_HWE_L2_MASK;
3793 /* Configure IRQ moderation mask. */
3794 CSR_WRITE_4(sc, B2_IRQM_MSK, sc->msk_intrmask);
3795 if (sc->msk_int_holdoff > 0) {
3796 /* Configure initial IRQ moderation timer value. */
3797 CSR_WRITE_4(sc, B2_IRQM_INI,
3798 MSK_USECS(sc, sc->msk_int_holdoff));
3799 CSR_WRITE_4(sc, B2_IRQM_VAL,
3800 MSK_USECS(sc, sc->msk_int_holdoff));
3801 /* Start IRQ moderation. */
3802 CSR_WRITE_1(sc, B2_IRQM_CTRL, TIM_START);
3804 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
3805 CSR_READ_4(sc, B0_HWE_IMSK);
3806 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3807 CSR_READ_4(sc, B0_IMSK);
3809 sc_if->msk_flags &= ~MSK_FLAG_LINK;
3812 ifp->if_drv_flags |= IFF_DRV_RUNNING;
3813 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3815 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
3819 msk_set_rambuffer(struct msk_if_softc *sc_if)
3821 struct msk_softc *sc;
3824 sc = sc_if->msk_softc;
3825 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
3828 /* Setup Rx Queue. */
3829 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR);
3830 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START),
3831 sc->msk_rxqstart[sc_if->msk_port] / 8);
3832 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END),
3833 sc->msk_rxqend[sc_if->msk_port] / 8);
3834 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP),
3835 sc->msk_rxqstart[sc_if->msk_port] / 8);
3836 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP),
3837 sc->msk_rxqstart[sc_if->msk_port] / 8);
3839 utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
3840 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8;
3841 ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
3842 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8;
3843 if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE)
3844 ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8;
3845 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp);
3846 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp);
3847 /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */
3849 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD);
3850 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL));
3852 /* Setup Tx Queue. */
3853 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR);
3854 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START),
3855 sc->msk_txqstart[sc_if->msk_port] / 8);
3856 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END),
3857 sc->msk_txqend[sc_if->msk_port] / 8);
3858 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP),
3859 sc->msk_txqstart[sc_if->msk_port] / 8);
3860 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP),
3861 sc->msk_txqstart[sc_if->msk_port] / 8);
3862 /* Enable Store & Forward for Tx side. */
3863 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD);
3864 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD);
3865 CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL));
3869 msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr,
3873 /* Reset the prefetch unit. */
3874 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
3876 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
3878 /* Set LE base address. */
3879 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG),
3881 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG),
3883 /* Set the list last index. */
3884 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG),
3886 /* Turn on prefetch unit. */
3887 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
3889 /* Dummy read to ensure write. */
3890 CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG));
3894 msk_stop(struct msk_if_softc *sc_if)
3896 struct msk_softc *sc;
3897 struct msk_txdesc *txd;
3898 struct msk_rxdesc *rxd;
3899 struct msk_rxdesc *jrxd;
3904 MSK_IF_LOCK_ASSERT(sc_if);
3905 sc = sc_if->msk_softc;
3906 ifp = sc_if->msk_ifp;
3908 callout_stop(&sc_if->msk_tick_ch);
3909 sc_if->msk_watchdog_timer = 0;
3911 /* Disable interrupts. */
3912 if (sc_if->msk_port == MSK_PORT_A) {
3913 sc->msk_intrmask &= ~Y2_IS_PORT_A;
3914 sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK;
3916 sc->msk_intrmask &= ~Y2_IS_PORT_B;
3917 sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK;
3919 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
3920 CSR_READ_4(sc, B0_HWE_IMSK);
3921 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3922 CSR_READ_4(sc, B0_IMSK);
3924 /* Disable Tx/Rx MAC. */
3925 val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
3926 val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
3927 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val);
3928 /* Read again to ensure writing. */
3929 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
3930 /* Update stats and clear counters. */
3931 msk_stats_update(sc_if);
3934 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP);
3935 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
3936 for (i = 0; i < MSK_TIMEOUT; i++) {
3937 if ((val & (BMU_STOP | BMU_IDLE)) == 0) {
3938 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
3940 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
3945 if (i == MSK_TIMEOUT)
3946 device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n");
3947 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL),
3948 RB_RST_SET | RB_DIS_OP_MD);
3950 /* Disable all GMAC interrupt. */
3951 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0);
3952 /* Disable PHY interrupt. */
3953 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
3955 /* Disable the RAM Interface Arbiter. */
3956 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB);
3958 /* Reset the PCI FIFO of the async Tx queue */
3959 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
3960 BMU_RST_SET | BMU_FIFO_RST);
3962 /* Reset the Tx prefetch units. */
3963 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG),
3966 /* Reset the RAM Buffer async Tx queue. */
3967 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET);
3969 /* Reset Tx MAC FIFO. */
3970 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
3971 /* Set Pause Off. */
3972 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF);
3975 * The Rx Stop command will not work for Yukon-2 if the BMU does not
3976 * reach the end of packet and since we can't make sure that we have
3977 * incoming data, we must reset the BMU while it is not during a DMA
3978 * transfer. Since it is possible that the Rx path is still active,
3979 * the Rx RAM buffer will be stopped first, so any possible incoming
3980 * data will not trigger a DMA. After the RAM buffer is stopped, the
3981 * BMU is polled until any DMA in progress is ended and only then it
3985 /* Disable the RAM Buffer receive queue. */
3986 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD);
3987 for (i = 0; i < MSK_TIMEOUT; i++) {
3988 if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) ==
3989 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL)))
3993 if (i == MSK_TIMEOUT)
3994 device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n");
3995 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR),
3996 BMU_RST_SET | BMU_FIFO_RST);
3997 /* Reset the Rx prefetch unit. */
3998 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG),
4000 /* Reset the RAM Buffer receive queue. */
4001 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET);
4002 /* Reset Rx MAC FIFO. */
4003 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
4005 /* Free Rx and Tx mbufs still in the queues. */
4006 for (i = 0; i < MSK_RX_RING_CNT; i++) {
4007 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
4008 if (rxd->rx_m != NULL) {
4009 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag,
4010 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4011 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag,
4017 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
4018 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
4019 if (jrxd->rx_m != NULL) {
4020 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
4021 jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4022 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
4024 m_freem(jrxd->rx_m);
4028 for (i = 0; i < MSK_TX_RING_CNT; i++) {
4029 txd = &sc_if->msk_cdata.msk_txdesc[i];
4030 if (txd->tx_m != NULL) {
4031 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag,
4032 txd->tx_dmamap, BUS_DMASYNC_POSTWRITE);
4033 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag,
4041 * Mark the interface down.
4043 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
4044 sc_if->msk_flags &= ~MSK_FLAG_LINK;
4048 * When GM_PAR_MIB_CLR bit of GM_PHY_ADDR is set, reading lower
4049 * counter clears high 16 bits of the counter such that accessing
4050 * lower 16 bits should be the last operation.
4052 #define MSK_READ_MIB32(x, y) \
4053 (((uint32_t)GMAC_READ_2(sc, x, (y) + 4)) << 16) + \
4054 (uint32_t)GMAC_READ_2(sc, x, y)
4055 #define MSK_READ_MIB64(x, y) \
4056 (((uint64_t)MSK_READ_MIB32(x, (y) + 8)) << 32) + \
4057 (uint64_t)MSK_READ_MIB32(x, y)
4060 msk_stats_clear(struct msk_if_softc *sc_if)
4062 struct msk_softc *sc;
4067 MSK_IF_LOCK_ASSERT(sc_if);
4069 sc = sc_if->msk_softc;
4070 /* Set MIB Clear Counter Mode. */
4071 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4072 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4073 /* Read all MIB Counters with Clear Mode set. */
4074 for (i = GM_RXF_UC_OK; i <= GM_TXE_FIFO_UR; i += sizeof(uint32_t))
4075 reg = MSK_READ_MIB32(sc_if->msk_port, i);
4076 /* Clear MIB Clear Counter Mode. */
4077 gmac &= ~GM_PAR_MIB_CLR;
4078 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4082 msk_stats_update(struct msk_if_softc *sc_if)
4084 struct msk_softc *sc;
4086 struct msk_hw_stats *stats;
4090 MSK_IF_LOCK_ASSERT(sc_if);
4092 ifp = sc_if->msk_ifp;
4093 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
4095 sc = sc_if->msk_softc;
4096 stats = &sc_if->msk_stats;
4097 /* Set MIB Clear Counter Mode. */
4098 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4099 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4102 stats->rx_ucast_frames +=
4103 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_UC_OK);
4104 stats->rx_bcast_frames +=
4105 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_BC_OK);
4106 stats->rx_pause_frames +=
4107 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MPAUSE);
4108 stats->rx_mcast_frames +=
4109 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MC_OK);
4110 stats->rx_crc_errs +=
4111 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_FCS_ERR);
4112 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE1);
4113 stats->rx_good_octets +=
4114 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_OK_LO);
4115 stats->rx_bad_octets +=
4116 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_ERR_LO);
4118 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SHT);
4119 stats->rx_runt_errs +=
4120 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FRAG);
4121 stats->rx_pkts_64 +=
4122 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_64B);
4123 stats->rx_pkts_65_127 +=
4124 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_127B);
4125 stats->rx_pkts_128_255 +=
4126 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_255B);
4127 stats->rx_pkts_256_511 +=
4128 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_511B);
4129 stats->rx_pkts_512_1023 +=
4130 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1023B);
4131 stats->rx_pkts_1024_1518 +=
4132 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1518B);
4133 stats->rx_pkts_1519_max +=
4134 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MAX_SZ);
4135 stats->rx_pkts_too_long +=
4136 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_LNG_ERR);
4137 stats->rx_pkts_jabbers +=
4138 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_JAB_PKT);
4139 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE2);
4140 stats->rx_fifo_oflows +=
4141 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FIFO_OV);
4142 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE3);
4145 stats->tx_ucast_frames +=
4146 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_UC_OK);
4147 stats->tx_bcast_frames +=
4148 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_BC_OK);
4149 stats->tx_pause_frames +=
4150 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MPAUSE);
4151 stats->tx_mcast_frames +=
4152 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MC_OK);
4154 MSK_READ_MIB64(sc_if->msk_port, GM_TXO_OK_LO);
4155 stats->tx_pkts_64 +=
4156 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_64B);
4157 stats->tx_pkts_65_127 +=
4158 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_127B);
4159 stats->tx_pkts_128_255 +=
4160 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_255B);
4161 stats->tx_pkts_256_511 +=
4162 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_511B);
4163 stats->tx_pkts_512_1023 +=
4164 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1023B);
4165 stats->tx_pkts_1024_1518 +=
4166 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1518B);
4167 stats->tx_pkts_1519_max +=
4168 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MAX_SZ);
4169 reg = MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SPARE1);
4171 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_COL);
4172 stats->tx_late_colls +=
4173 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_LAT_COL);
4174 stats->tx_excess_colls +=
4175 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_ABO_COL);
4176 stats->tx_multi_colls +=
4177 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MUL_COL);
4178 stats->tx_single_colls +=
4179 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SNG_COL);
4180 stats->tx_underflows +=
4181 MSK_READ_MIB32(sc_if->msk_port, GM_TXE_FIFO_UR);
4182 /* Clear MIB Clear Counter Mode. */
4183 gmac &= ~GM_PAR_MIB_CLR;
4184 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4188 msk_sysctl_stat32(SYSCTL_HANDLER_ARGS)
4190 struct msk_softc *sc;
4191 struct msk_if_softc *sc_if;
4192 uint32_t result, *stat;
4195 sc_if = (struct msk_if_softc *)arg1;
4196 sc = sc_if->msk_softc;
4198 stat = (uint32_t *)((uint8_t *)&sc_if->msk_stats + off);
4201 result = MSK_READ_MIB32(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4203 MSK_IF_UNLOCK(sc_if);
4205 return (sysctl_handle_int(oidp, &result, 0, req));
4209 msk_sysctl_stat64(SYSCTL_HANDLER_ARGS)
4211 struct msk_softc *sc;
4212 struct msk_if_softc *sc_if;
4213 uint64_t result, *stat;
4216 sc_if = (struct msk_if_softc *)arg1;
4217 sc = sc_if->msk_softc;
4219 stat = (uint64_t *)((uint8_t *)&sc_if->msk_stats + off);
4222 result = MSK_READ_MIB64(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4224 MSK_IF_UNLOCK(sc_if);
4226 return (sysctl_handle_quad(oidp, &result, 0, req));
4229 #undef MSK_READ_MIB32
4230 #undef MSK_READ_MIB64
4232 #define MSK_SYSCTL_STAT32(sc, c, o, p, n, d) \
4233 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \
4234 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat32, \
4236 #define MSK_SYSCTL_STAT64(sc, c, o, p, n, d) \
4237 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \
4238 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat64, \
4242 msk_sysctl_node(struct msk_if_softc *sc_if)
4244 struct sysctl_ctx_list *ctx;
4245 struct sysctl_oid_list *child, *schild;
4246 struct sysctl_oid *tree;
4248 ctx = device_get_sysctl_ctx(sc_if->msk_if_dev);
4249 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc_if->msk_if_dev));
4251 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
4252 NULL, "MSK Statistics");
4253 schild = child = SYSCTL_CHILDREN(tree);
4254 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "rx", CTLFLAG_RD,
4255 NULL, "MSK RX Statistics");
4256 child = SYSCTL_CHILDREN(tree);
4257 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4258 child, rx_ucast_frames, "Good unicast frames");
4259 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4260 child, rx_bcast_frames, "Good broadcast frames");
4261 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4262 child, rx_pause_frames, "Pause frames");
4263 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4264 child, rx_mcast_frames, "Multicast frames");
4265 MSK_SYSCTL_STAT32(sc_if, ctx, "crc_errs",
4266 child, rx_crc_errs, "CRC errors");
4267 MSK_SYSCTL_STAT64(sc_if, ctx, "good_octets",
4268 child, rx_good_octets, "Good octets");
4269 MSK_SYSCTL_STAT64(sc_if, ctx, "bad_octets",
4270 child, rx_bad_octets, "Bad octets");
4271 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4272 child, rx_pkts_64, "64 bytes frames");
4273 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4274 child, rx_pkts_65_127, "65 to 127 bytes frames");
4275 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4276 child, rx_pkts_128_255, "128 to 255 bytes frames");
4277 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4278 child, rx_pkts_256_511, "256 to 511 bytes frames");
4279 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4280 child, rx_pkts_512_1023, "512 to 1023 bytes frames");
4281 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4282 child, rx_pkts_1024_1518, "1024 to 1518 bytes frames");
4283 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4284 child, rx_pkts_1519_max, "1519 to max frames");
4285 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_too_long",
4286 child, rx_pkts_too_long, "frames too long");
4287 MSK_SYSCTL_STAT32(sc_if, ctx, "jabbers",
4288 child, rx_pkts_jabbers, "Jabber errors");
4289 MSK_SYSCTL_STAT32(sc_if, ctx, "overflows",
4290 child, rx_fifo_oflows, "FIFO overflows");
4292 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "tx", CTLFLAG_RD,
4293 NULL, "MSK TX Statistics");
4294 child = SYSCTL_CHILDREN(tree);
4295 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4296 child, tx_ucast_frames, "Unicast frames");
4297 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4298 child, tx_bcast_frames, "Broadcast frames");
4299 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4300 child, tx_pause_frames, "Pause frames");
4301 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4302 child, tx_mcast_frames, "Multicast frames");
4303 MSK_SYSCTL_STAT64(sc_if, ctx, "octets",
4304 child, tx_octets, "Octets");
4305 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4306 child, tx_pkts_64, "64 bytes frames");
4307 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4308 child, tx_pkts_65_127, "65 to 127 bytes frames");
4309 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4310 child, tx_pkts_128_255, "128 to 255 bytes frames");
4311 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4312 child, tx_pkts_256_511, "256 to 511 bytes frames");
4313 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4314 child, tx_pkts_512_1023, "512 to 1023 bytes frames");
4315 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4316 child, tx_pkts_1024_1518, "1024 to 1518 bytes frames");
4317 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4318 child, tx_pkts_1519_max, "1519 to max frames");
4319 MSK_SYSCTL_STAT32(sc_if, ctx, "colls",
4320 child, tx_colls, "Collisions");
4321 MSK_SYSCTL_STAT32(sc_if, ctx, "late_colls",
4322 child, tx_late_colls, "Late collisions");
4323 MSK_SYSCTL_STAT32(sc_if, ctx, "excess_colls",
4324 child, tx_excess_colls, "Excessive collisions");
4325 MSK_SYSCTL_STAT32(sc_if, ctx, "multi_colls",
4326 child, tx_multi_colls, "Multiple collisions");
4327 MSK_SYSCTL_STAT32(sc_if, ctx, "single_colls",
4328 child, tx_single_colls, "Single collisions");
4329 MSK_SYSCTL_STAT32(sc_if, ctx, "underflows",
4330 child, tx_underflows, "FIFO underflows");
4333 #undef MSK_SYSCTL_STAT32
4334 #undef MSK_SYSCTL_STAT64
4337 sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high)
4343 value = *(int *)arg1;
4344 error = sysctl_handle_int(oidp, &value, 0, req);
4345 if (error || !req->newptr)
4347 if (value < low || value > high)
4349 *(int *)arg1 = value;
4355 sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS)
4358 return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN,