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_436D,
225 "Marvell Yukon 88E8055 Gigabit Ethernet" },
226 { VENDORID_MARVELL, DEVICEID_MRVL_4370,
227 "Marvell Yukon 88E8075 Gigabit Ethernet" },
228 { VENDORID_MARVELL, DEVICEID_MRVL_4380,
229 "Marvell Yukon 88E8057 Gigabit Ethernet" },
230 { VENDORID_MARVELL, DEVICEID_MRVL_4381,
231 "Marvell Yukon 88E8059 Gigabit Ethernet" },
232 { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX,
233 "D-Link 550SX Gigabit Ethernet" },
234 { VENDORID_DLINK, DEVICEID_DLINK_DGE560SX,
235 "D-Link 560SX Gigabit Ethernet" },
236 { VENDORID_DLINK, DEVICEID_DLINK_DGE560T,
237 "D-Link 560T Gigabit Ethernet" }
240 static const char *model_name[] = {
253 static int mskc_probe(device_t);
254 static int mskc_attach(device_t);
255 static int mskc_detach(device_t);
256 static int mskc_shutdown(device_t);
257 static int mskc_setup_rambuffer(struct msk_softc *);
258 static int mskc_suspend(device_t);
259 static int mskc_resume(device_t);
260 static void mskc_reset(struct msk_softc *);
262 static int msk_probe(device_t);
263 static int msk_attach(device_t);
264 static int msk_detach(device_t);
266 static void msk_tick(void *);
267 static void msk_intr(void *);
268 static void msk_intr_phy(struct msk_if_softc *);
269 static void msk_intr_gmac(struct msk_if_softc *);
270 static __inline void msk_rxput(struct msk_if_softc *);
271 static int msk_handle_events(struct msk_softc *);
272 static void msk_handle_hwerr(struct msk_if_softc *, uint32_t);
273 static void msk_intr_hwerr(struct msk_softc *);
274 #ifndef __NO_STRICT_ALIGNMENT
275 static __inline void msk_fixup_rx(struct mbuf *);
277 static __inline void msk_rxcsum(struct msk_if_softc *, uint32_t, struct mbuf *);
278 static void msk_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
279 static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, uint32_t, int);
280 static void msk_txeof(struct msk_if_softc *, int);
281 static int msk_encap(struct msk_if_softc *, struct mbuf **);
282 static void msk_start(struct ifnet *);
283 static void msk_start_locked(struct ifnet *);
284 static int msk_ioctl(struct ifnet *, u_long, caddr_t);
285 static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t);
286 static void msk_set_rambuffer(struct msk_if_softc *);
287 static void msk_set_tx_stfwd(struct msk_if_softc *);
288 static void msk_init(void *);
289 static void msk_init_locked(struct msk_if_softc *);
290 static void msk_stop(struct msk_if_softc *);
291 static void msk_watchdog(struct msk_if_softc *);
292 static int msk_mediachange(struct ifnet *);
293 static void msk_mediastatus(struct ifnet *, struct ifmediareq *);
294 static void msk_phy_power(struct msk_softc *, int);
295 static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int);
296 static int msk_status_dma_alloc(struct msk_softc *);
297 static void msk_status_dma_free(struct msk_softc *);
298 static int msk_txrx_dma_alloc(struct msk_if_softc *);
299 static int msk_rx_dma_jalloc(struct msk_if_softc *);
300 static void msk_txrx_dma_free(struct msk_if_softc *);
301 static void msk_rx_dma_jfree(struct msk_if_softc *);
302 static int msk_rx_fill(struct msk_if_softc *, int);
303 static int msk_init_rx_ring(struct msk_if_softc *);
304 static int msk_init_jumbo_rx_ring(struct msk_if_softc *);
305 static void msk_init_tx_ring(struct msk_if_softc *);
306 static __inline void msk_discard_rxbuf(struct msk_if_softc *, int);
307 static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int);
308 static int msk_newbuf(struct msk_if_softc *, int);
309 static int msk_jumbo_newbuf(struct msk_if_softc *, int);
311 static int msk_phy_readreg(struct msk_if_softc *, int, int);
312 static int msk_phy_writereg(struct msk_if_softc *, int, int, int);
313 static int msk_miibus_readreg(device_t, int, int);
314 static int msk_miibus_writereg(device_t, int, int, int);
315 static void msk_miibus_statchg(device_t);
317 static void msk_rxfilter(struct msk_if_softc *);
318 static void msk_setvlan(struct msk_if_softc *, struct ifnet *);
320 static void msk_stats_clear(struct msk_if_softc *);
321 static void msk_stats_update(struct msk_if_softc *);
322 static int msk_sysctl_stat32(SYSCTL_HANDLER_ARGS);
323 static int msk_sysctl_stat64(SYSCTL_HANDLER_ARGS);
324 static void msk_sysctl_node(struct msk_if_softc *);
325 static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int);
326 static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS);
328 static device_method_t mskc_methods[] = {
329 /* Device interface */
330 DEVMETHOD(device_probe, mskc_probe),
331 DEVMETHOD(device_attach, mskc_attach),
332 DEVMETHOD(device_detach, mskc_detach),
333 DEVMETHOD(device_suspend, mskc_suspend),
334 DEVMETHOD(device_resume, mskc_resume),
335 DEVMETHOD(device_shutdown, mskc_shutdown),
340 static driver_t mskc_driver = {
343 sizeof(struct msk_softc)
346 static devclass_t mskc_devclass;
348 static device_method_t msk_methods[] = {
349 /* Device interface */
350 DEVMETHOD(device_probe, msk_probe),
351 DEVMETHOD(device_attach, msk_attach),
352 DEVMETHOD(device_detach, msk_detach),
353 DEVMETHOD(device_shutdown, bus_generic_shutdown),
356 DEVMETHOD(miibus_readreg, msk_miibus_readreg),
357 DEVMETHOD(miibus_writereg, msk_miibus_writereg),
358 DEVMETHOD(miibus_statchg, msk_miibus_statchg),
363 static driver_t msk_driver = {
366 sizeof(struct msk_if_softc)
369 static devclass_t msk_devclass;
371 DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, 0, 0);
372 DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, 0, 0);
373 DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, 0, 0);
375 static struct resource_spec msk_res_spec_io[] = {
376 { SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE },
380 static struct resource_spec msk_res_spec_mem[] = {
381 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE },
385 static struct resource_spec msk_irq_spec_legacy[] = {
386 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
390 static struct resource_spec msk_irq_spec_msi[] = {
391 { SYS_RES_IRQ, 1, RF_ACTIVE },
396 msk_miibus_readreg(device_t dev, int phy, int reg)
398 struct msk_if_softc *sc_if;
400 sc_if = device_get_softc(dev);
402 return (msk_phy_readreg(sc_if, phy, reg));
406 msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg)
408 struct msk_softc *sc;
411 sc = sc_if->msk_softc;
413 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
414 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD);
416 for (i = 0; i < MSK_TIMEOUT; i++) {
418 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL);
419 if ((val & GM_SMI_CT_RD_VAL) != 0) {
420 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA);
425 if (i == MSK_TIMEOUT) {
426 if_printf(sc_if->msk_ifp, "phy failed to come ready\n");
434 msk_miibus_writereg(device_t dev, int phy, int reg, int val)
436 struct msk_if_softc *sc_if;
438 sc_if = device_get_softc(dev);
440 return (msk_phy_writereg(sc_if, phy, reg, val));
444 msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val)
446 struct msk_softc *sc;
449 sc = sc_if->msk_softc;
451 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val);
452 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL,
453 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg));
454 for (i = 0; i < MSK_TIMEOUT; i++) {
456 if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) &
457 GM_SMI_CT_BUSY) == 0)
460 if (i == MSK_TIMEOUT)
461 if_printf(sc_if->msk_ifp, "phy write timeout\n");
467 msk_miibus_statchg(device_t dev)
469 struct msk_softc *sc;
470 struct msk_if_softc *sc_if;
471 struct mii_data *mii;
475 sc_if = device_get_softc(dev);
476 sc = sc_if->msk_softc;
478 MSK_IF_LOCK_ASSERT(sc_if);
480 mii = device_get_softc(sc_if->msk_miibus);
481 ifp = sc_if->msk_ifp;
482 if (mii == NULL || ifp == NULL ||
483 (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
486 sc_if->msk_flags &= ~MSK_FLAG_LINK;
487 if ((mii->mii_media_status & (IFM_AVALID | IFM_ACTIVE)) ==
488 (IFM_AVALID | IFM_ACTIVE)) {
489 switch (IFM_SUBTYPE(mii->mii_media_active)) {
492 sc_if->msk_flags |= MSK_FLAG_LINK;
498 if ((sc_if->msk_flags & MSK_FLAG_FASTETHER) == 0)
499 sc_if->msk_flags |= MSK_FLAG_LINK;
506 if ((sc_if->msk_flags & MSK_FLAG_LINK) != 0) {
507 /* Enable Tx FIFO Underrun. */
508 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK),
509 GM_IS_TX_FF_UR | GM_IS_RX_FF_OR);
511 * Because mii(4) notify msk(4) that it detected link status
512 * change, there is no need to enable automatic
513 * speed/flow-control/duplex updates.
515 gmac = GM_GPCR_AU_ALL_DIS;
516 switch (IFM_SUBTYPE(mii->mii_media_active)) {
519 gmac |= GM_GPCR_SPEED_1000;
522 gmac |= GM_GPCR_SPEED_100;
528 if ((IFM_OPTIONS(mii->mii_media_active) &
529 IFM_ETH_RXPAUSE) == 0)
530 gmac |= GM_GPCR_FC_RX_DIS;
531 if ((IFM_OPTIONS(mii->mii_media_active) &
532 IFM_ETH_TXPAUSE) == 0)
533 gmac |= GM_GPCR_FC_TX_DIS;
534 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0)
535 gmac |= GM_GPCR_DUP_FULL;
537 gmac |= GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS;
538 gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA;
539 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
540 /* Read again to ensure writing. */
541 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
542 gmac = GMC_PAUSE_OFF;
543 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) {
544 if ((IFM_OPTIONS(mii->mii_media_active) &
545 IFM_ETH_RXPAUSE) != 0)
548 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac);
550 /* Enable PHY interrupt for FIFO underrun/overflow. */
551 msk_phy_writereg(sc_if, PHY_ADDR_MARV,
552 PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR);
555 * Link state changed to down.
556 * Disable PHY interrupts.
558 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
559 /* Disable Rx/Tx MAC. */
560 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
561 if ((gmac & (GM_GPCR_RX_ENA | GM_GPCR_TX_ENA)) != 0) {
562 gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
563 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac);
564 /* Read again to ensure writing. */
565 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
571 msk_rxfilter(struct msk_if_softc *sc_if)
573 struct msk_softc *sc;
575 struct ifmultiaddr *ifma;
580 sc = sc_if->msk_softc;
582 MSK_IF_LOCK_ASSERT(sc_if);
584 ifp = sc_if->msk_ifp;
586 bzero(mchash, sizeof(mchash));
587 mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL);
588 if ((ifp->if_flags & IFF_PROMISC) != 0)
589 mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
590 else if ((ifp->if_flags & IFF_ALLMULTI) != 0) {
591 mode |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA;
595 mode |= GM_RXCR_UCF_ENA;
597 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
598 if (ifma->ifma_addr->sa_family != AF_LINK)
600 crc = ether_crc32_be(LLADDR((struct sockaddr_dl *)
601 ifma->ifma_addr), ETHER_ADDR_LEN);
602 /* Just want the 6 least significant bits. */
604 /* Set the corresponding bit in the hash table. */
605 mchash[crc >> 5] |= 1 << (crc & 0x1f);
607 if_maddr_runlock(ifp);
608 if (mchash[0] != 0 || mchash[1] != 0)
609 mode |= GM_RXCR_MCF_ENA;
612 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1,
614 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2,
615 (mchash[0] >> 16) & 0xffff);
616 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3,
618 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4,
619 (mchash[1] >> 16) & 0xffff);
620 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode);
624 msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp)
626 struct msk_softc *sc;
628 sc = sc_if->msk_softc;
629 if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
630 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
632 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
635 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
637 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
643 msk_rx_fill(struct msk_if_softc *sc_if, int jumbo)
648 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
649 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
650 /* Wait until controller executes OP_TCPSTART command. */
651 for (i = 100; i > 0; i--) {
653 idx = CSR_READ_2(sc_if->msk_softc,
654 Y2_PREF_Q_ADDR(sc_if->msk_rxq,
655 PREF_UNIT_GET_IDX_REG));
660 device_printf(sc_if->msk_if_dev,
661 "prefetch unit stuck?\n");
665 * Fill consumed LE with free buffer. This can be done
666 * in Rx handler but we don't want to add special code
670 if (msk_jumbo_newbuf(sc_if, 0) != 0)
672 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
673 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
674 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
676 if (msk_newbuf(sc_if, 0) != 0)
678 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
679 sc_if->msk_cdata.msk_rx_ring_map,
680 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
682 sc_if->msk_cdata.msk_rx_prod = 0;
683 CSR_WRITE_2(sc_if->msk_softc,
684 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
685 sc_if->msk_cdata.msk_rx_prod);
691 msk_init_rx_ring(struct msk_if_softc *sc_if)
693 struct msk_ring_data *rd;
694 struct msk_rxdesc *rxd;
697 MSK_IF_LOCK_ASSERT(sc_if);
699 sc_if->msk_cdata.msk_rx_cons = 0;
700 sc_if->msk_cdata.msk_rx_prod = 0;
701 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
703 rd = &sc_if->msk_rdata;
704 bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT);
705 for (i = prod = 0; i < MSK_RX_RING_CNT; i++) {
706 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
708 rxd->rx_le = &rd->msk_rx_ring[prod];
709 MSK_INC(prod, MSK_RX_RING_CNT);
711 nbuf = MSK_RX_BUF_CNT;
713 /* Have controller know how to compute Rx checksum. */
714 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
715 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
717 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
719 rxd->rx_le = &rd->msk_rx_ring[prod];
720 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
722 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
723 MSK_INC(prod, MSK_RX_RING_CNT);
724 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
726 rxd = &sc_if->msk_cdata.msk_rxdesc[prod];
728 rxd->rx_le = &rd->msk_rx_ring[prod];
729 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
731 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
732 MSK_INC(prod, MSK_RX_RING_CNT);
733 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
736 for (i = 0; i < nbuf; i++) {
737 if (msk_newbuf(sc_if, prod) != 0)
739 MSK_RX_INC(prod, MSK_RX_RING_CNT);
742 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag,
743 sc_if->msk_cdata.msk_rx_ring_map,
744 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
746 /* Update prefetch unit. */
747 sc_if->msk_cdata.msk_rx_prod = prod;
748 CSR_WRITE_2(sc_if->msk_softc,
749 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
750 (sc_if->msk_cdata.msk_rx_prod + MSK_RX_RING_CNT - 1) %
752 if (msk_rx_fill(sc_if, 0) != 0)
758 msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if)
760 struct msk_ring_data *rd;
761 struct msk_rxdesc *rxd;
764 MSK_IF_LOCK_ASSERT(sc_if);
766 sc_if->msk_cdata.msk_rx_cons = 0;
767 sc_if->msk_cdata.msk_rx_prod = 0;
768 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM;
770 rd = &sc_if->msk_rdata;
771 bzero(rd->msk_jumbo_rx_ring,
772 sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT);
773 for (i = prod = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
774 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
776 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
777 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
779 nbuf = MSK_RX_BUF_CNT;
781 /* Have controller know how to compute Rx checksum. */
782 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
783 (sc_if->msk_ifp->if_capenable & IFCAP_RXCSUM) != 0) {
785 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
787 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
788 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
790 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
791 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
792 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
794 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod];
796 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod];
797 rxd->rx_le->msk_addr = htole32(ETHER_HDR_LEN << 16 |
799 rxd->rx_le->msk_control = htole32(OP_TCPSTART | HW_OWNER);
800 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT);
801 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
804 for (i = 0; i < nbuf; i++) {
805 if (msk_jumbo_newbuf(sc_if, prod) != 0)
807 MSK_RX_INC(prod, MSK_JUMBO_RX_RING_CNT);
810 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
811 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
812 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
814 /* Update prefetch unit. */
815 sc_if->msk_cdata.msk_rx_prod = prod;
816 CSR_WRITE_2(sc_if->msk_softc,
817 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG),
818 (sc_if->msk_cdata.msk_rx_prod + MSK_JUMBO_RX_RING_CNT - 1) %
819 MSK_JUMBO_RX_RING_CNT);
820 if (msk_rx_fill(sc_if, 1) != 0)
826 msk_init_tx_ring(struct msk_if_softc *sc_if)
828 struct msk_ring_data *rd;
829 struct msk_txdesc *txd;
832 sc_if->msk_cdata.msk_tso_mtu = 0;
833 sc_if->msk_cdata.msk_last_csum = 0;
834 sc_if->msk_cdata.msk_tx_prod = 0;
835 sc_if->msk_cdata.msk_tx_cons = 0;
836 sc_if->msk_cdata.msk_tx_cnt = 0;
837 sc_if->msk_cdata.msk_tx_high_addr = 0;
839 rd = &sc_if->msk_rdata;
840 bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT);
841 for (i = 0; i < MSK_TX_RING_CNT; i++) {
842 txd = &sc_if->msk_cdata.msk_txdesc[i];
844 txd->tx_le = &rd->msk_tx_ring[i];
847 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
848 sc_if->msk_cdata.msk_tx_ring_map,
849 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
853 msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx)
855 struct msk_rx_desc *rx_le;
856 struct msk_rxdesc *rxd;
860 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
862 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
863 MSK_INC(idx, MSK_RX_RING_CNT);
865 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
868 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
872 msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx)
874 struct msk_rx_desc *rx_le;
875 struct msk_rxdesc *rxd;
879 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
881 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
882 MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
884 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
887 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER);
891 msk_newbuf(struct msk_if_softc *sc_if, int idx)
893 struct msk_rx_desc *rx_le;
894 struct msk_rxdesc *rxd;
896 bus_dma_segment_t segs[1];
900 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
904 m->m_len = m->m_pkthdr.len = MCLBYTES;
905 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
906 m_adj(m, ETHER_ALIGN);
907 #ifndef __NO_STRICT_ALIGNMENT
909 m_adj(m, MSK_RX_BUF_ALIGN);
912 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_rx_tag,
913 sc_if->msk_cdata.msk_rx_sparemap, m, segs, &nsegs,
914 BUS_DMA_NOWAIT) != 0) {
918 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
920 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
923 rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
924 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
925 MSK_INC(idx, MSK_RX_RING_CNT);
926 rxd = &sc_if->msk_cdata.msk_rxdesc[idx];
928 if (rxd->rx_m != NULL) {
929 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
930 BUS_DMASYNC_POSTREAD);
931 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap);
934 map = rxd->rx_dmamap;
935 rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap;
936 sc_if->msk_cdata.msk_rx_sparemap = map;
937 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap,
938 BUS_DMASYNC_PREREAD);
941 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
943 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
949 msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx)
951 struct msk_rx_desc *rx_le;
952 struct msk_rxdesc *rxd;
954 bus_dma_segment_t segs[1];
958 m = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES);
961 if ((m->m_flags & M_EXT) == 0) {
965 m->m_len = m->m_pkthdr.len = MJUM9BYTES;
966 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
967 m_adj(m, ETHER_ALIGN);
968 #ifndef __NO_STRICT_ALIGNMENT
970 m_adj(m, MSK_RX_BUF_ALIGN);
973 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag,
974 sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs,
975 BUS_DMA_NOWAIT) != 0) {
979 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs));
981 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
984 rx_le->msk_addr = htole32(MSK_ADDR_HI(segs[0].ds_addr));
985 rx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
986 MSK_INC(idx, MSK_JUMBO_RX_RING_CNT);
987 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx];
989 if (rxd->rx_m != NULL) {
990 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
991 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
992 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
996 map = rxd->rx_dmamap;
997 rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap;
998 sc_if->msk_cdata.msk_jumbo_rx_sparemap = map;
999 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap,
1000 BUS_DMASYNC_PREREAD);
1003 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr));
1004 rx_le->msk_control =
1005 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER);
1011 * Set media options.
1014 msk_mediachange(struct ifnet *ifp)
1016 struct msk_if_softc *sc_if;
1017 struct mii_data *mii;
1020 sc_if = ifp->if_softc;
1023 mii = device_get_softc(sc_if->msk_miibus);
1024 error = mii_mediachg(mii);
1025 MSK_IF_UNLOCK(sc_if);
1031 * Report current media status.
1034 msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr)
1036 struct msk_if_softc *sc_if;
1037 struct mii_data *mii;
1039 sc_if = ifp->if_softc;
1041 if ((ifp->if_flags & IFF_UP) == 0) {
1042 MSK_IF_UNLOCK(sc_if);
1045 mii = device_get_softc(sc_if->msk_miibus);
1048 ifmr->ifm_active = mii->mii_media_active;
1049 ifmr->ifm_status = mii->mii_media_status;
1050 MSK_IF_UNLOCK(sc_if);
1054 msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
1056 struct msk_if_softc *sc_if;
1058 struct mii_data *mii;
1059 int error, mask, reinit;
1061 sc_if = ifp->if_softc;
1062 ifr = (struct ifreq *)data;
1068 if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN)
1070 else if (ifp->if_mtu != ifr->ifr_mtu) {
1071 if (ifr->ifr_mtu > ETHERMTU) {
1072 if ((sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
1074 MSK_IF_UNLOCK(sc_if);
1077 if ((sc_if->msk_flags &
1078 MSK_FLAG_JUMBO_NOCSUM) != 0) {
1080 ~(MSK_CSUM_FEATURES | CSUM_TSO);
1081 ifp->if_capenable &=
1082 ~(IFCAP_TSO4 | IFCAP_TXCSUM);
1083 VLAN_CAPABILITIES(ifp);
1086 ifp->if_mtu = ifr->ifr_mtu;
1087 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
1088 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1089 msk_init_locked(sc_if);
1092 MSK_IF_UNLOCK(sc_if);
1096 if ((ifp->if_flags & IFF_UP) != 0) {
1097 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
1098 ((ifp->if_flags ^ sc_if->msk_if_flags) &
1099 (IFF_PROMISC | IFF_ALLMULTI)) != 0)
1100 msk_rxfilter(sc_if);
1101 else if ((sc_if->msk_flags & MSK_FLAG_DETACH) == 0)
1102 msk_init_locked(sc_if);
1103 } else if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
1105 sc_if->msk_if_flags = ifp->if_flags;
1106 MSK_IF_UNLOCK(sc_if);
1111 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
1112 msk_rxfilter(sc_if);
1113 MSK_IF_UNLOCK(sc_if);
1117 mii = device_get_softc(sc_if->msk_miibus);
1118 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command);
1123 mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1124 if ((mask & IFCAP_TXCSUM) != 0 &&
1125 (IFCAP_TXCSUM & ifp->if_capabilities) != 0) {
1126 ifp->if_capenable ^= IFCAP_TXCSUM;
1127 if ((IFCAP_TXCSUM & ifp->if_capenable) != 0)
1128 ifp->if_hwassist |= MSK_CSUM_FEATURES;
1130 ifp->if_hwassist &= ~MSK_CSUM_FEATURES;
1132 if ((mask & IFCAP_RXCSUM) != 0 &&
1133 (IFCAP_RXCSUM & ifp->if_capabilities) != 0) {
1134 ifp->if_capenable ^= IFCAP_RXCSUM;
1135 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0)
1138 if ((mask & IFCAP_VLAN_HWCSUM) != 0 &&
1139 (IFCAP_VLAN_HWCSUM & ifp->if_capabilities) != 0)
1140 ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
1141 if ((mask & IFCAP_TSO4) != 0 &&
1142 (IFCAP_TSO4 & ifp->if_capabilities) != 0) {
1143 ifp->if_capenable ^= IFCAP_TSO4;
1144 if ((IFCAP_TSO4 & ifp->if_capenable) != 0)
1145 ifp->if_hwassist |= CSUM_TSO;
1147 ifp->if_hwassist &= ~CSUM_TSO;
1149 if ((mask & IFCAP_VLAN_HWTSO) != 0 &&
1150 (IFCAP_VLAN_HWTSO & ifp->if_capabilities) != 0)
1151 ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1152 if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
1153 (IFCAP_VLAN_HWTAGGING & ifp->if_capabilities) != 0) {
1154 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1155 if ((IFCAP_VLAN_HWTAGGING & ifp->if_capenable) == 0)
1156 ifp->if_capenable &=
1157 ~(IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM);
1158 msk_setvlan(sc_if, ifp);
1160 if (ifp->if_mtu > ETHERMTU &&
1161 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
1162 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
1163 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
1165 VLAN_CAPABILITIES(ifp);
1166 if (reinit > 0 && (ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
1167 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1168 msk_init_locked(sc_if);
1170 MSK_IF_UNLOCK(sc_if);
1173 error = ether_ioctl(ifp, command, data);
1181 mskc_probe(device_t dev)
1183 struct msk_product *mp;
1184 uint16_t vendor, devid;
1187 vendor = pci_get_vendor(dev);
1188 devid = pci_get_device(dev);
1190 for (i = 0; i < sizeof(msk_products)/sizeof(msk_products[0]);
1192 if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) {
1193 device_set_desc(dev, mp->msk_name);
1194 return (BUS_PROBE_DEFAULT);
1202 mskc_setup_rambuffer(struct msk_softc *sc)
1207 /* Get adapter SRAM size. */
1208 sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4;
1210 device_printf(sc->msk_dev,
1211 "RAM buffer size : %dKB\n", sc->msk_ramsize);
1212 if (sc->msk_ramsize == 0)
1215 sc->msk_pflags |= MSK_FLAG_RAMBUF;
1217 * Give receiver 2/3 of memory and round down to the multiple
1218 * of 1024. Tx/Rx RAM buffer size of Yukon II should be multiple
1221 sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024);
1222 sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize;
1223 for (i = 0, next = 0; i < sc->msk_num_port; i++) {
1224 sc->msk_rxqstart[i] = next;
1225 sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1;
1226 next = sc->msk_rxqend[i] + 1;
1227 sc->msk_txqstart[i] = next;
1228 sc->msk_txqend[i] = next + sc->msk_txqsize - 1;
1229 next = sc->msk_txqend[i] + 1;
1231 device_printf(sc->msk_dev,
1232 "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i,
1233 sc->msk_rxqsize / 1024, sc->msk_rxqstart[i],
1235 device_printf(sc->msk_dev,
1236 "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i,
1237 sc->msk_txqsize / 1024, sc->msk_txqstart[i],
1246 msk_phy_power(struct msk_softc *sc, int mode)
1252 case MSK_PHY_POWERUP:
1253 /* Switch power to VCC (WA for VAUX problem). */
1254 CSR_WRITE_1(sc, B0_POWER_CTRL,
1255 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON);
1256 /* Disable Core Clock Division, set Clock Select to 0. */
1257 CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS);
1260 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1261 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1262 /* Enable bits are inverted. */
1263 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1264 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1265 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1268 * Enable PCI & Core Clock, enable clock gating for both Links.
1270 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1272 our = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1273 our &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD);
1274 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
1275 if (sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1276 /* Deassert Low Power for 1st PHY. */
1277 our |= PCI_Y2_PHY1_COMA;
1278 if (sc->msk_num_port > 1)
1279 our |= PCI_Y2_PHY2_COMA;
1282 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U ||
1283 sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1284 sc->msk_hw_id >= CHIP_ID_YUKON_FE_P) {
1285 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_4);
1286 val &= (PCI_FORCE_ASPM_REQUEST |
1287 PCI_ASPM_GPHY_LINK_DOWN | PCI_ASPM_INT_FIFO_EMPTY |
1288 PCI_ASPM_CLKRUN_REQUEST);
1289 /* Set all bits to 0 except bits 15..12. */
1290 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_4, val);
1291 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_5);
1292 val &= PCI_CTL_TIM_VMAIN_AV_MSK;
1293 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_5, val);
1294 CSR_PCI_WRITE_4(sc, PCI_CFG_REG_1, 0);
1295 CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON);
1297 * Disable status race, workaround for
1298 * Yukon EC Ultra & Yukon EX.
1300 val = CSR_READ_4(sc, B2_GP_IO);
1301 val |= GLB_GPIO_STAT_RACE_DIS;
1302 CSR_WRITE_4(sc, B2_GP_IO, val);
1303 CSR_READ_4(sc, B2_GP_IO);
1305 /* Release PHY from PowerDown/COMA mode. */
1306 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, our);
1308 for (i = 0; i < sc->msk_num_port; i++) {
1309 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1311 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL),
1315 case MSK_PHY_POWERDOWN:
1316 val = CSR_PCI_READ_4(sc, PCI_OUR_REG_1);
1317 val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD;
1318 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1319 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1320 val &= ~PCI_Y2_PHY1_COMA;
1321 if (sc->msk_num_port > 1)
1322 val &= ~PCI_Y2_PHY2_COMA;
1324 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_1, val);
1326 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS |
1327 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS |
1328 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS;
1329 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1330 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) {
1331 /* Enable bits are inverted. */
1335 * Disable PCI & Core Clock, disable clock gating for
1338 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val);
1339 CSR_WRITE_1(sc, B0_POWER_CTRL,
1340 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
1348 mskc_reset(struct msk_softc *sc)
1356 if (sc->msk_hw_id >= CHIP_ID_YUKON_XL &&
1357 sc->msk_hw_id <= CHIP_ID_YUKON_SUPR) {
1358 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1359 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
1360 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1361 status = CSR_READ_2(sc, B28_Y2_ASF_HCU_CCSR);
1362 /* Clear AHB bridge & microcontroller reset. */
1363 status &= ~(Y2_ASF_HCU_CCSR_AHB_RST |
1364 Y2_ASF_HCU_CCSR_CPU_RST_MODE);
1365 /* Clear ASF microcontroller state. */
1366 status &= ~Y2_ASF_HCU_CCSR_UC_STATE_MSK;
1367 status &= ~Y2_ASF_HCU_CCSR_CPU_CLK_DIVIDE_MSK;
1368 CSR_WRITE_2(sc, B28_Y2_ASF_HCU_CCSR, status);
1369 CSR_WRITE_4(sc, B28_Y2_CPU_WDOG, 0);
1371 CSR_WRITE_1(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
1372 CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE);
1374 * Since we disabled ASF, S/W reset is required for
1377 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
1378 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1381 /* Clear all error bits in the PCI status register. */
1382 status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
1383 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1385 pci_write_config(sc->msk_dev, PCIR_STATUS, status |
1386 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
1387 PCIM_STATUS_RTABORT | PCIM_STATUS_MDPERR, 2);
1388 CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR);
1390 switch (sc->msk_bustype) {
1392 /* Clear all PEX errors. */
1393 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
1394 val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
1395 if ((val & PEX_RX_OV) != 0) {
1396 sc->msk_intrmask &= ~Y2_IS_HW_ERR;
1397 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
1402 /* Set Cache Line Size to 2(8bytes) if configured to 0. */
1403 val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1);
1405 pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1);
1406 if (sc->msk_bustype == MSK_PCIX_BUS) {
1407 /* Set Cache Line Size opt. */
1408 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4);
1410 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4);
1414 /* Set PHY power state. */
1415 msk_phy_power(sc, MSK_PHY_POWERUP);
1417 /* Reset GPHY/GMAC Control */
1418 for (i = 0; i < sc->msk_num_port; i++) {
1419 /* GPHY Control reset. */
1420 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET);
1421 CSR_WRITE_1(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR);
1422 /* GMAC Control reset. */
1423 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET);
1424 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR);
1425 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF);
1426 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
1427 sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
1428 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL),
1429 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
1433 if (sc->msk_hw_id == CHIP_ID_YUKON_SUPR &&
1434 sc->msk_hw_rev > CHIP_REV_YU_SU_B0)
1435 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, PCI_CLK_MACSEC_DIS);
1436 if (sc->msk_hw_id == CHIP_ID_YUKON_OPT && sc->msk_hw_rev == 0) {
1437 /* Disable PCIe PHY powerdown(reg 0x80, bit7). */
1438 CSR_WRITE_4(sc, Y2_PEX_PHY_DATA, (0x0080 << 16) | 0x0080);
1440 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1443 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON);
1445 /* Clear TWSI IRQ. */
1446 CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ);
1448 /* Turn off hardware timer. */
1449 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP);
1450 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ);
1452 /* Turn off descriptor polling. */
1453 CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP);
1455 /* Turn off time stamps. */
1456 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP);
1457 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
1460 if (sc->msk_hw_id == CHIP_ID_YUKON_XL ||
1461 sc->msk_hw_id == CHIP_ID_YUKON_EC ||
1462 sc->msk_hw_id == CHIP_ID_YUKON_FE)
1465 /* Configure timeout values. */
1466 for (i = 0; initram > 0 && i < sc->msk_num_port; i++) {
1467 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_SET);
1468 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR);
1469 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1),
1471 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1),
1473 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1),
1475 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1),
1477 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1),
1479 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1),
1481 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2),
1483 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2),
1485 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2),
1487 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2),
1489 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2),
1491 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2),
1495 /* Disable all interrupts. */
1496 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
1497 CSR_READ_4(sc, B0_HWE_IMSK);
1498 CSR_WRITE_4(sc, B0_IMSK, 0);
1499 CSR_READ_4(sc, B0_IMSK);
1502 * On dual port PCI-X card, there is an problem where status
1503 * can be received out of order due to split transactions.
1505 if (sc->msk_pcixcap != 0 && sc->msk_num_port > 1) {
1508 pcix_cmd = pci_read_config(sc->msk_dev,
1509 sc->msk_pcixcap + PCIXR_COMMAND, 2);
1510 /* Clear Max Outstanding Split Transactions. */
1511 pcix_cmd &= ~PCIXM_COMMAND_MAX_SPLITS;
1512 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
1513 pci_write_config(sc->msk_dev,
1514 sc->msk_pcixcap + PCIXR_COMMAND, pcix_cmd, 2);
1515 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
1517 if (sc->msk_expcap != 0) {
1518 /* Change Max. Read Request Size to 2048 bytes. */
1519 if (pci_get_max_read_req(sc->msk_dev) == 512)
1520 pci_set_max_read_req(sc->msk_dev, 2048);
1523 /* Clear status list. */
1524 bzero(sc->msk_stat_ring,
1525 sizeof(struct msk_stat_desc) * sc->msk_stat_count);
1526 sc->msk_stat_cons = 0;
1527 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
1528 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1529 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET);
1530 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR);
1531 /* Set the status list base address. */
1532 addr = sc->msk_stat_ring_paddr;
1533 CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr));
1534 CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr));
1535 /* Set the status list last index. */
1536 CSR_WRITE_2(sc, STAT_LAST_IDX, sc->msk_stat_count - 1);
1537 if (sc->msk_hw_id == CHIP_ID_YUKON_EC &&
1538 sc->msk_hw_rev == CHIP_REV_YU_EC_A1) {
1539 /* WA for dev. #4.3 */
1540 CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK);
1541 /* WA for dev. #4.18 */
1542 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21);
1543 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07);
1545 CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a);
1546 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10);
1547 if (sc->msk_hw_id == CHIP_ID_YUKON_XL &&
1548 sc->msk_hw_rev == CHIP_REV_YU_XL_A0)
1549 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04);
1551 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10);
1552 CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190);
1555 * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI.
1557 CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000));
1559 /* Enable status unit. */
1560 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON);
1562 CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START);
1563 CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START);
1564 CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START);
1568 msk_probe(device_t dev)
1570 struct msk_softc *sc;
1573 sc = device_get_softc(device_get_parent(dev));
1575 * Not much to do here. We always know there will be
1576 * at least one GMAC present, and if there are two,
1577 * mskc_attach() will create a second device instance
1580 snprintf(desc, sizeof(desc),
1581 "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x",
1582 model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id,
1584 device_set_desc_copy(dev, desc);
1586 return (BUS_PROBE_DEFAULT);
1590 msk_attach(device_t dev)
1592 struct msk_softc *sc;
1593 struct msk_if_softc *sc_if;
1595 struct msk_mii_data *mmd;
1603 sc_if = device_get_softc(dev);
1604 sc = device_get_softc(device_get_parent(dev));
1605 mmd = device_get_ivars(dev);
1608 sc_if->msk_if_dev = dev;
1609 sc_if->msk_port = port;
1610 sc_if->msk_softc = sc;
1611 sc_if->msk_flags = sc->msk_pflags;
1612 sc->msk_if[port] = sc_if;
1613 /* Setup Tx/Rx queue register offsets. */
1614 if (port == MSK_PORT_A) {
1615 sc_if->msk_txq = Q_XA1;
1616 sc_if->msk_txsq = Q_XS1;
1617 sc_if->msk_rxq = Q_R1;
1619 sc_if->msk_txq = Q_XA2;
1620 sc_if->msk_txsq = Q_XS2;
1621 sc_if->msk_rxq = Q_R2;
1624 callout_init_mtx(&sc_if->msk_tick_ch, &sc_if->msk_softc->msk_mtx, 0);
1625 msk_sysctl_node(sc_if);
1627 if ((error = msk_txrx_dma_alloc(sc_if) != 0))
1629 msk_rx_dma_jalloc(sc_if);
1631 ifp = sc_if->msk_ifp = if_alloc(IFT_ETHER);
1633 device_printf(sc_if->msk_if_dev, "can not if_alloc()\n");
1637 ifp->if_softc = sc_if;
1638 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
1639 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
1640 ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4;
1642 * Enable Rx checksum offloading if controller supports
1643 * new descriptor formant and controller is not Yukon XL.
1645 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
1646 sc->msk_hw_id != CHIP_ID_YUKON_XL)
1647 ifp->if_capabilities |= IFCAP_RXCSUM;
1648 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1649 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1650 ifp->if_capabilities |= IFCAP_RXCSUM;
1651 ifp->if_hwassist = MSK_CSUM_FEATURES | CSUM_TSO;
1652 ifp->if_capenable = ifp->if_capabilities;
1653 ifp->if_ioctl = msk_ioctl;
1654 ifp->if_start = msk_start;
1655 ifp->if_init = msk_init;
1656 IFQ_SET_MAXLEN(&ifp->if_snd, MSK_TX_RING_CNT - 1);
1657 ifp->if_snd.ifq_drv_maxlen = MSK_TX_RING_CNT - 1;
1658 IFQ_SET_READY(&ifp->if_snd);
1660 * Get station address for this interface. Note that
1661 * dual port cards actually come with three station
1662 * addresses: one for each port, plus an extra. The
1663 * extra one is used by the SysKonnect driver software
1664 * as a 'virtual' station address for when both ports
1665 * are operating in failover mode. Currently we don't
1666 * use this extra address.
1669 for (i = 0; i < ETHER_ADDR_LEN; i++)
1670 eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i);
1673 * Call MI attach routine. Can't hold locks when calling into ether_*.
1675 MSK_IF_UNLOCK(sc_if);
1676 ether_ifattach(ifp, eaddr);
1679 /* VLAN capability setup */
1680 ifp->if_capabilities |= IFCAP_VLAN_MTU;
1681 if ((sc_if->msk_flags & MSK_FLAG_NOHWVLAN) == 0) {
1683 * Due to Tx checksum offload hardware bugs, msk(4) manually
1684 * computes checksum for short frames. For VLAN tagged frames
1685 * this workaround does not work so disable checksum offload
1686 * for VLAN interface.
1688 ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO;
1690 * Enable Rx checksum offloading for VLAN tagged frames
1691 * if controller support new descriptor format.
1693 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0 &&
1694 (sc_if->msk_flags & MSK_FLAG_NORX_CSUM) == 0)
1695 ifp->if_capabilities |= IFCAP_VLAN_HWCSUM;
1697 ifp->if_capenable = ifp->if_capabilities;
1700 * Tell the upper layer(s) we support long frames.
1701 * Must appear after the call to ether_ifattach() because
1702 * ether_ifattach() sets ifi_hdrlen to the default value.
1704 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
1709 MSK_IF_UNLOCK(sc_if);
1710 error = mii_attach(dev, &sc_if->msk_miibus, ifp, msk_mediachange,
1711 msk_mediastatus, BMSR_DEFCAPMASK, PHY_ADDR_MARV, MII_OFFSET_ANY,
1714 device_printf(sc_if->msk_if_dev, "attaching PHYs failed\n");
1715 ether_ifdetach(ifp);
1722 /* Access should be ok even though lock has been dropped */
1723 sc->msk_if[port] = NULL;
1731 * Attach the interface. Allocate softc structures, do ifmedia
1732 * setup and ethernet/BPF attach.
1735 mskc_attach(device_t dev)
1737 struct msk_softc *sc;
1738 struct msk_mii_data *mmd;
1739 int error, msic, msir, reg;
1741 sc = device_get_softc(dev);
1743 mtx_init(&sc->msk_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
1747 * Map control/status registers.
1749 pci_enable_busmaster(dev);
1751 /* Allocate I/O resource */
1752 #ifdef MSK_USEIOSPACE
1753 sc->msk_res_spec = msk_res_spec_io;
1755 sc->msk_res_spec = msk_res_spec_mem;
1757 sc->msk_irq_spec = msk_irq_spec_legacy;
1758 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1760 if (sc->msk_res_spec == msk_res_spec_mem)
1761 sc->msk_res_spec = msk_res_spec_io;
1763 sc->msk_res_spec = msk_res_spec_mem;
1764 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res);
1766 device_printf(dev, "couldn't allocate %s resources\n",
1767 sc->msk_res_spec == msk_res_spec_mem ? "memory" :
1769 mtx_destroy(&sc->msk_mtx);
1774 /* Enable all clocks before accessing any registers. */
1775 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
1777 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR);
1778 sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID);
1779 sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f;
1780 /* Bail out if chip is not recognized. */
1781 if (sc->msk_hw_id < CHIP_ID_YUKON_XL ||
1782 sc->msk_hw_id > CHIP_ID_YUKON_OPT ||
1783 sc->msk_hw_id == CHIP_ID_YUKON_UNKNOWN) {
1784 device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n",
1785 sc->msk_hw_id, sc->msk_hw_rev);
1786 mtx_destroy(&sc->msk_mtx);
1790 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
1791 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
1792 OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW,
1793 &sc->msk_process_limit, 0, sysctl_hw_msk_proc_limit, "I",
1794 "max number of Rx events to process");
1796 sc->msk_process_limit = MSK_PROC_DEFAULT;
1797 error = resource_int_value(device_get_name(dev), device_get_unit(dev),
1798 "process_limit", &sc->msk_process_limit);
1800 if (sc->msk_process_limit < MSK_PROC_MIN ||
1801 sc->msk_process_limit > MSK_PROC_MAX) {
1802 device_printf(dev, "process_limit value out of range; "
1803 "using default: %d\n", MSK_PROC_DEFAULT);
1804 sc->msk_process_limit = MSK_PROC_DEFAULT;
1808 sc->msk_int_holdoff = MSK_INT_HOLDOFF_DEFAULT;
1809 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
1810 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
1811 "int_holdoff", CTLFLAG_RW, &sc->msk_int_holdoff, 0,
1812 "Maximum number of time to delay interrupts");
1813 resource_int_value(device_get_name(dev), device_get_unit(dev),
1814 "int_holdoff", &sc->msk_int_holdoff);
1816 sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP);
1817 /* Check number of MACs. */
1818 sc->msk_num_port = 1;
1819 if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) ==
1821 if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC))
1825 /* Check bus type. */
1826 if (pci_find_cap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) {
1827 sc->msk_bustype = MSK_PEX_BUS;
1828 sc->msk_expcap = reg;
1829 } else if (pci_find_cap(sc->msk_dev, PCIY_PCIX, ®) == 0) {
1830 sc->msk_bustype = MSK_PCIX_BUS;
1831 sc->msk_pcixcap = reg;
1833 sc->msk_bustype = MSK_PCI_BUS;
1835 switch (sc->msk_hw_id) {
1836 case CHIP_ID_YUKON_EC:
1837 sc->msk_clock = 125; /* 125 MHz */
1838 sc->msk_pflags |= MSK_FLAG_JUMBO;
1840 case CHIP_ID_YUKON_EC_U:
1841 sc->msk_clock = 125; /* 125 MHz */
1842 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_JUMBO_NOCSUM;
1844 case CHIP_ID_YUKON_EX:
1845 sc->msk_clock = 125; /* 125 MHz */
1846 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
1847 MSK_FLAG_AUTOTX_CSUM;
1849 * Yukon Extreme seems to have silicon bug for
1850 * automatic Tx checksum calculation capability.
1852 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
1853 sc->msk_pflags &= ~MSK_FLAG_AUTOTX_CSUM;
1855 * Yukon Extreme A0 could not use store-and-forward
1856 * for jumbo frames, so disable Tx checksum
1857 * offloading for jumbo frames.
1859 if (sc->msk_hw_rev == CHIP_REV_YU_EX_A0)
1860 sc->msk_pflags |= MSK_FLAG_JUMBO_NOCSUM;
1862 case CHIP_ID_YUKON_FE:
1863 sc->msk_clock = 100; /* 100 MHz */
1864 sc->msk_pflags |= MSK_FLAG_FASTETHER;
1866 case CHIP_ID_YUKON_FE_P:
1867 sc->msk_clock = 50; /* 50 MHz */
1868 sc->msk_pflags |= MSK_FLAG_FASTETHER | MSK_FLAG_DESCV2 |
1869 MSK_FLAG_AUTOTX_CSUM;
1870 if (sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
1873 * FE+ A0 has status LE writeback bug so msk(4)
1874 * does not rely on status word of received frame
1875 * in msk_rxeof() which in turn disables all
1876 * hardware assistance bits reported by the status
1877 * word as well as validity of the received frame.
1878 * Just pass received frames to upper stack with
1879 * minimal test and let upper stack handle them.
1881 sc->msk_pflags |= MSK_FLAG_NOHWVLAN |
1882 MSK_FLAG_NORXCHK | MSK_FLAG_NORX_CSUM;
1885 case CHIP_ID_YUKON_XL:
1886 sc->msk_clock = 156; /* 156 MHz */
1887 sc->msk_pflags |= MSK_FLAG_JUMBO;
1889 case CHIP_ID_YUKON_SUPR:
1890 sc->msk_clock = 125; /* 125 MHz */
1891 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2 |
1892 MSK_FLAG_AUTOTX_CSUM;
1894 case CHIP_ID_YUKON_UL_2:
1895 sc->msk_clock = 125; /* 125 MHz */
1896 sc->msk_pflags |= MSK_FLAG_JUMBO;
1898 case CHIP_ID_YUKON_OPT:
1899 sc->msk_clock = 125; /* 125 MHz */
1900 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_DESCV2;
1903 sc->msk_clock = 156; /* 156 MHz */
1907 /* Allocate IRQ resources. */
1908 msic = pci_msi_count(dev);
1910 device_printf(dev, "MSI count : %d\n", msic);
1911 if (legacy_intr != 0)
1913 if (msi_disable == 0 && msic > 0) {
1915 if (pci_alloc_msi(dev, &msir) == 0) {
1917 sc->msk_pflags |= MSK_FLAG_MSI;
1918 sc->msk_irq_spec = msk_irq_spec_msi;
1920 pci_release_msi(dev);
1924 error = bus_alloc_resources(dev, sc->msk_irq_spec, sc->msk_irq);
1926 device_printf(dev, "couldn't allocate IRQ resources\n");
1930 if ((error = msk_status_dma_alloc(sc)) != 0)
1933 /* Set base interrupt mask. */
1934 sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU;
1935 sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR |
1936 Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP;
1938 /* Reset the adapter. */
1941 if ((error = mskc_setup_rambuffer(sc)) != 0)
1944 sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1);
1945 if (sc->msk_devs[MSK_PORT_A] == NULL) {
1946 device_printf(dev, "failed to add child for PORT_A\n");
1950 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK | M_ZERO);
1952 device_printf(dev, "failed to allocate memory for "
1953 "ivars of PORT_A\n");
1957 mmd->port = MSK_PORT_A;
1958 mmd->pmd = sc->msk_pmd;
1959 mmd->mii_flags |= MIIF_DOPAUSE;
1960 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
1961 mmd->mii_flags |= MIIF_HAVEFIBER;
1962 if (sc->msk_pmd == 'P')
1963 mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
1964 device_set_ivars(sc->msk_devs[MSK_PORT_A], mmd);
1966 if (sc->msk_num_port > 1) {
1967 sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1);
1968 if (sc->msk_devs[MSK_PORT_B] == NULL) {
1969 device_printf(dev, "failed to add child for PORT_B\n");
1973 mmd = malloc(sizeof(struct msk_mii_data), M_DEVBUF, M_WAITOK |
1976 device_printf(dev, "failed to allocate memory for "
1977 "ivars of PORT_B\n");
1981 mmd->port = MSK_PORT_B;
1982 mmd->pmd = sc->msk_pmd;
1983 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S')
1984 mmd->mii_flags |= MIIF_HAVEFIBER;
1985 if (sc->msk_pmd == 'P')
1986 mmd->mii_flags |= MIIF_HAVEFIBER | MIIF_MACPRIV0;
1987 device_set_ivars(sc->msk_devs[MSK_PORT_B], mmd);
1990 error = bus_generic_attach(dev);
1992 device_printf(dev, "failed to attach port(s)\n");
1996 /* Hook interrupt last to avoid having to lock softc. */
1997 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET |
1998 INTR_MPSAFE, NULL, msk_intr, sc, &sc->msk_intrhand);
2000 device_printf(dev, "couldn't set up interrupt handler\n");
2011 * Shutdown hardware and free up resources. This can be called any
2012 * time after the mutex has been initialized. It is called in both
2013 * the error case in attach and the normal detach case so it needs
2014 * to be careful about only freeing resources that have actually been
2018 msk_detach(device_t dev)
2020 struct msk_softc *sc;
2021 struct msk_if_softc *sc_if;
2024 sc_if = device_get_softc(dev);
2025 KASSERT(mtx_initialized(&sc_if->msk_softc->msk_mtx),
2026 ("msk mutex not initialized in msk_detach"));
2029 ifp = sc_if->msk_ifp;
2030 if (device_is_attached(dev)) {
2032 sc_if->msk_flags |= MSK_FLAG_DETACH;
2034 /* Can't hold locks while calling detach. */
2035 MSK_IF_UNLOCK(sc_if);
2036 callout_drain(&sc_if->msk_tick_ch);
2038 ether_ifdetach(ifp);
2043 * We're generally called from mskc_detach() which is using
2044 * device_delete_child() to get to here. It's already trashed
2045 * miibus for us, so don't do it here or we'll panic.
2047 * if (sc_if->msk_miibus != NULL) {
2048 * device_delete_child(dev, sc_if->msk_miibus);
2049 * sc_if->msk_miibus = NULL;
2053 msk_rx_dma_jfree(sc_if);
2054 msk_txrx_dma_free(sc_if);
2055 bus_generic_detach(dev);
2059 sc = sc_if->msk_softc;
2060 sc->msk_if[sc_if->msk_port] = NULL;
2061 MSK_IF_UNLOCK(sc_if);
2067 mskc_detach(device_t dev)
2069 struct msk_softc *sc;
2071 sc = device_get_softc(dev);
2072 KASSERT(mtx_initialized(&sc->msk_mtx), ("msk mutex not initialized"));
2074 if (device_is_alive(dev)) {
2075 if (sc->msk_devs[MSK_PORT_A] != NULL) {
2076 free(device_get_ivars(sc->msk_devs[MSK_PORT_A]),
2078 device_delete_child(dev, sc->msk_devs[MSK_PORT_A]);
2080 if (sc->msk_devs[MSK_PORT_B] != NULL) {
2081 free(device_get_ivars(sc->msk_devs[MSK_PORT_B]),
2083 device_delete_child(dev, sc->msk_devs[MSK_PORT_B]);
2085 bus_generic_detach(dev);
2088 /* Disable all interrupts. */
2089 CSR_WRITE_4(sc, B0_IMSK, 0);
2090 CSR_READ_4(sc, B0_IMSK);
2091 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
2092 CSR_READ_4(sc, B0_HWE_IMSK);
2095 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF);
2097 /* Put hardware reset. */
2098 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
2100 msk_status_dma_free(sc);
2102 if (sc->msk_intrhand) {
2103 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand);
2104 sc->msk_intrhand = NULL;
2106 bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq);
2107 if ((sc->msk_pflags & MSK_FLAG_MSI) != 0)
2108 pci_release_msi(dev);
2109 bus_release_resources(dev, sc->msk_res_spec, sc->msk_res);
2110 mtx_destroy(&sc->msk_mtx);
2115 struct msk_dmamap_arg {
2116 bus_addr_t msk_busaddr;
2120 msk_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
2122 struct msk_dmamap_arg *ctx;
2127 ctx->msk_busaddr = segs[0].ds_addr;
2130 /* Create status DMA region. */
2132 msk_status_dma_alloc(struct msk_softc *sc)
2134 struct msk_dmamap_arg ctx;
2139 * It seems controller requires number of status LE entries
2140 * is power of 2 and the maximum number of status LE entries
2141 * is 4096. For dual-port controllers, the number of status
2142 * LE entries should be large enough to hold both port's
2145 count = 3 * MSK_RX_RING_CNT + MSK_TX_RING_CNT;
2146 count = imin(4096, roundup2(count, 1024));
2147 sc->msk_stat_count = count;
2148 stat_sz = count * sizeof(struct msk_stat_desc);
2149 error = bus_dma_tag_create(
2150 bus_get_dma_tag(sc->msk_dev), /* parent */
2151 MSK_STAT_ALIGN, 0, /* alignment, boundary */
2152 BUS_SPACE_MAXADDR, /* lowaddr */
2153 BUS_SPACE_MAXADDR, /* highaddr */
2154 NULL, NULL, /* filter, filterarg */
2155 stat_sz, /* maxsize */
2157 stat_sz, /* maxsegsize */
2159 NULL, NULL, /* lockfunc, lockarg */
2162 device_printf(sc->msk_dev,
2163 "failed to create status DMA tag\n");
2167 /* Allocate DMA'able memory and load the DMA map for status ring. */
2168 error = bus_dmamem_alloc(sc->msk_stat_tag,
2169 (void **)&sc->msk_stat_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT |
2170 BUS_DMA_ZERO, &sc->msk_stat_map);
2172 device_printf(sc->msk_dev,
2173 "failed to allocate DMA'able memory for status ring\n");
2177 ctx.msk_busaddr = 0;
2178 error = bus_dmamap_load(sc->msk_stat_tag, sc->msk_stat_map,
2179 sc->msk_stat_ring, stat_sz, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2181 device_printf(sc->msk_dev,
2182 "failed to load DMA'able memory for status ring\n");
2185 sc->msk_stat_ring_paddr = ctx.msk_busaddr;
2191 msk_status_dma_free(struct msk_softc *sc)
2194 /* Destroy status block. */
2195 if (sc->msk_stat_tag) {
2196 if (sc->msk_stat_map) {
2197 bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map);
2198 if (sc->msk_stat_ring) {
2199 bus_dmamem_free(sc->msk_stat_tag,
2200 sc->msk_stat_ring, sc->msk_stat_map);
2201 sc->msk_stat_ring = NULL;
2203 sc->msk_stat_map = NULL;
2205 bus_dma_tag_destroy(sc->msk_stat_tag);
2206 sc->msk_stat_tag = NULL;
2211 msk_txrx_dma_alloc(struct msk_if_softc *sc_if)
2213 struct msk_dmamap_arg ctx;
2214 struct msk_txdesc *txd;
2215 struct msk_rxdesc *rxd;
2219 /* Create parent DMA tag. */
2220 error = bus_dma_tag_create(
2221 bus_get_dma_tag(sc_if->msk_if_dev), /* parent */
2222 1, 0, /* alignment, boundary */
2223 BUS_SPACE_MAXADDR, /* lowaddr */
2224 BUS_SPACE_MAXADDR, /* highaddr */
2225 NULL, NULL, /* filter, filterarg */
2226 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
2228 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
2230 NULL, NULL, /* lockfunc, lockarg */
2231 &sc_if->msk_cdata.msk_parent_tag);
2233 device_printf(sc_if->msk_if_dev,
2234 "failed to create parent DMA tag\n");
2237 /* Create tag for Tx ring. */
2238 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2239 MSK_RING_ALIGN, 0, /* alignment, boundary */
2240 BUS_SPACE_MAXADDR, /* lowaddr */
2241 BUS_SPACE_MAXADDR, /* highaddr */
2242 NULL, NULL, /* filter, filterarg */
2243 MSK_TX_RING_SZ, /* maxsize */
2245 MSK_TX_RING_SZ, /* maxsegsize */
2247 NULL, NULL, /* lockfunc, lockarg */
2248 &sc_if->msk_cdata.msk_tx_ring_tag);
2250 device_printf(sc_if->msk_if_dev,
2251 "failed to create Tx ring DMA tag\n");
2255 /* Create tag for Rx ring. */
2256 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2257 MSK_RING_ALIGN, 0, /* alignment, boundary */
2258 BUS_SPACE_MAXADDR, /* lowaddr */
2259 BUS_SPACE_MAXADDR, /* highaddr */
2260 NULL, NULL, /* filter, filterarg */
2261 MSK_RX_RING_SZ, /* maxsize */
2263 MSK_RX_RING_SZ, /* maxsegsize */
2265 NULL, NULL, /* lockfunc, lockarg */
2266 &sc_if->msk_cdata.msk_rx_ring_tag);
2268 device_printf(sc_if->msk_if_dev,
2269 "failed to create Rx ring DMA tag\n");
2273 /* Create tag for Tx buffers. */
2274 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2275 1, 0, /* alignment, boundary */
2276 BUS_SPACE_MAXADDR, /* lowaddr */
2277 BUS_SPACE_MAXADDR, /* highaddr */
2278 NULL, NULL, /* filter, filterarg */
2279 MSK_TSO_MAXSIZE, /* maxsize */
2280 MSK_MAXTXSEGS, /* nsegments */
2281 MSK_TSO_MAXSGSIZE, /* maxsegsize */
2283 NULL, NULL, /* lockfunc, lockarg */
2284 &sc_if->msk_cdata.msk_tx_tag);
2286 device_printf(sc_if->msk_if_dev,
2287 "failed to create Tx DMA tag\n");
2293 * Workaround hardware hang which seems to happen when Rx buffer
2294 * is not aligned on multiple of FIFO word(8 bytes).
2296 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2297 rxalign = MSK_RX_BUF_ALIGN;
2298 /* Create tag for Rx buffers. */
2299 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2300 rxalign, 0, /* alignment, boundary */
2301 BUS_SPACE_MAXADDR, /* lowaddr */
2302 BUS_SPACE_MAXADDR, /* highaddr */
2303 NULL, NULL, /* filter, filterarg */
2304 MCLBYTES, /* maxsize */
2306 MCLBYTES, /* maxsegsize */
2308 NULL, NULL, /* lockfunc, lockarg */
2309 &sc_if->msk_cdata.msk_rx_tag);
2311 device_printf(sc_if->msk_if_dev,
2312 "failed to create Rx DMA tag\n");
2316 /* Allocate DMA'able memory and load the DMA map for Tx ring. */
2317 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_tx_ring_tag,
2318 (void **)&sc_if->msk_rdata.msk_tx_ring, BUS_DMA_WAITOK |
2319 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_tx_ring_map);
2321 device_printf(sc_if->msk_if_dev,
2322 "failed to allocate DMA'able memory for Tx ring\n");
2326 ctx.msk_busaddr = 0;
2327 error = bus_dmamap_load(sc_if->msk_cdata.msk_tx_ring_tag,
2328 sc_if->msk_cdata.msk_tx_ring_map, sc_if->msk_rdata.msk_tx_ring,
2329 MSK_TX_RING_SZ, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2331 device_printf(sc_if->msk_if_dev,
2332 "failed to load DMA'able memory for Tx ring\n");
2335 sc_if->msk_rdata.msk_tx_ring_paddr = ctx.msk_busaddr;
2337 /* Allocate DMA'able memory and load the DMA map for Rx ring. */
2338 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_rx_ring_tag,
2339 (void **)&sc_if->msk_rdata.msk_rx_ring, BUS_DMA_WAITOK |
2340 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_rx_ring_map);
2342 device_printf(sc_if->msk_if_dev,
2343 "failed to allocate DMA'able memory for Rx ring\n");
2347 ctx.msk_busaddr = 0;
2348 error = bus_dmamap_load(sc_if->msk_cdata.msk_rx_ring_tag,
2349 sc_if->msk_cdata.msk_rx_ring_map, sc_if->msk_rdata.msk_rx_ring,
2350 MSK_RX_RING_SZ, msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2352 device_printf(sc_if->msk_if_dev,
2353 "failed to load DMA'able memory for Rx ring\n");
2356 sc_if->msk_rdata.msk_rx_ring_paddr = ctx.msk_busaddr;
2358 /* Create DMA maps for Tx buffers. */
2359 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2360 txd = &sc_if->msk_cdata.msk_txdesc[i];
2362 txd->tx_dmamap = NULL;
2363 error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag, 0,
2366 device_printf(sc_if->msk_if_dev,
2367 "failed to create Tx dmamap\n");
2371 /* Create DMA maps for Rx buffers. */
2372 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2373 &sc_if->msk_cdata.msk_rx_sparemap)) != 0) {
2374 device_printf(sc_if->msk_if_dev,
2375 "failed to create spare Rx dmamap\n");
2378 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2379 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2381 rxd->rx_dmamap = NULL;
2382 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0,
2385 device_printf(sc_if->msk_if_dev,
2386 "failed to create Rx dmamap\n");
2396 msk_rx_dma_jalloc(struct msk_if_softc *sc_if)
2398 struct msk_dmamap_arg ctx;
2399 struct msk_rxdesc *jrxd;
2403 if (jumbo_disable != 0 || (sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) {
2404 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2405 device_printf(sc_if->msk_if_dev,
2406 "disabling jumbo frame support\n");
2409 /* Create tag for jumbo Rx ring. */
2410 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2411 MSK_RING_ALIGN, 0, /* alignment, boundary */
2412 BUS_SPACE_MAXADDR, /* lowaddr */
2413 BUS_SPACE_MAXADDR, /* highaddr */
2414 NULL, NULL, /* filter, filterarg */
2415 MSK_JUMBO_RX_RING_SZ, /* maxsize */
2417 MSK_JUMBO_RX_RING_SZ, /* maxsegsize */
2419 NULL, NULL, /* lockfunc, lockarg */
2420 &sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2422 device_printf(sc_if->msk_if_dev,
2423 "failed to create jumbo Rx ring DMA tag\n");
2429 * Workaround hardware hang which seems to happen when Rx buffer
2430 * is not aligned on multiple of FIFO word(8 bytes).
2432 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
2433 rxalign = MSK_RX_BUF_ALIGN;
2434 /* Create tag for jumbo Rx buffers. */
2435 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */
2436 rxalign, 0, /* alignment, boundary */
2437 BUS_SPACE_MAXADDR, /* lowaddr */
2438 BUS_SPACE_MAXADDR, /* highaddr */
2439 NULL, NULL, /* filter, filterarg */
2440 MJUM9BYTES, /* maxsize */
2442 MJUM9BYTES, /* maxsegsize */
2444 NULL, NULL, /* lockfunc, lockarg */
2445 &sc_if->msk_cdata.msk_jumbo_rx_tag);
2447 device_printf(sc_if->msk_if_dev,
2448 "failed to create jumbo Rx DMA tag\n");
2452 /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */
2453 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2454 (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring,
2455 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO,
2456 &sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2458 device_printf(sc_if->msk_if_dev,
2459 "failed to allocate DMA'able memory for jumbo Rx ring\n");
2463 ctx.msk_busaddr = 0;
2464 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2465 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
2466 sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ,
2467 msk_dmamap_cb, &ctx, BUS_DMA_NOWAIT);
2469 device_printf(sc_if->msk_if_dev,
2470 "failed to load DMA'able memory for jumbo Rx ring\n");
2473 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr;
2475 /* Create DMA maps for jumbo Rx buffers. */
2476 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2477 &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) {
2478 device_printf(sc_if->msk_if_dev,
2479 "failed to create spare jumbo Rx dmamap\n");
2482 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2483 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2485 jrxd->rx_dmamap = NULL;
2486 error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0,
2489 device_printf(sc_if->msk_if_dev,
2490 "failed to create jumbo Rx dmamap\n");
2498 msk_rx_dma_jfree(sc_if);
2499 device_printf(sc_if->msk_if_dev, "disabling jumbo frame support "
2500 "due to resource shortage\n");
2501 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
2506 msk_txrx_dma_free(struct msk_if_softc *sc_if)
2508 struct msk_txdesc *txd;
2509 struct msk_rxdesc *rxd;
2513 if (sc_if->msk_cdata.msk_tx_ring_tag) {
2514 if (sc_if->msk_cdata.msk_tx_ring_map)
2515 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag,
2516 sc_if->msk_cdata.msk_tx_ring_map);
2517 if (sc_if->msk_cdata.msk_tx_ring_map &&
2518 sc_if->msk_rdata.msk_tx_ring)
2519 bus_dmamem_free(sc_if->msk_cdata.msk_tx_ring_tag,
2520 sc_if->msk_rdata.msk_tx_ring,
2521 sc_if->msk_cdata.msk_tx_ring_map);
2522 sc_if->msk_rdata.msk_tx_ring = NULL;
2523 sc_if->msk_cdata.msk_tx_ring_map = NULL;
2524 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_ring_tag);
2525 sc_if->msk_cdata.msk_tx_ring_tag = NULL;
2528 if (sc_if->msk_cdata.msk_rx_ring_tag) {
2529 if (sc_if->msk_cdata.msk_rx_ring_map)
2530 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag,
2531 sc_if->msk_cdata.msk_rx_ring_map);
2532 if (sc_if->msk_cdata.msk_rx_ring_map &&
2533 sc_if->msk_rdata.msk_rx_ring)
2534 bus_dmamem_free(sc_if->msk_cdata.msk_rx_ring_tag,
2535 sc_if->msk_rdata.msk_rx_ring,
2536 sc_if->msk_cdata.msk_rx_ring_map);
2537 sc_if->msk_rdata.msk_rx_ring = NULL;
2538 sc_if->msk_cdata.msk_rx_ring_map = NULL;
2539 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag);
2540 sc_if->msk_cdata.msk_rx_ring_tag = NULL;
2543 if (sc_if->msk_cdata.msk_tx_tag) {
2544 for (i = 0; i < MSK_TX_RING_CNT; i++) {
2545 txd = &sc_if->msk_cdata.msk_txdesc[i];
2546 if (txd->tx_dmamap) {
2547 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag,
2549 txd->tx_dmamap = NULL;
2552 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag);
2553 sc_if->msk_cdata.msk_tx_tag = NULL;
2556 if (sc_if->msk_cdata.msk_rx_tag) {
2557 for (i = 0; i < MSK_RX_RING_CNT; i++) {
2558 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
2559 if (rxd->rx_dmamap) {
2560 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2562 rxd->rx_dmamap = NULL;
2565 if (sc_if->msk_cdata.msk_rx_sparemap) {
2566 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag,
2567 sc_if->msk_cdata.msk_rx_sparemap);
2568 sc_if->msk_cdata.msk_rx_sparemap = 0;
2570 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag);
2571 sc_if->msk_cdata.msk_rx_tag = NULL;
2573 if (sc_if->msk_cdata.msk_parent_tag) {
2574 bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag);
2575 sc_if->msk_cdata.msk_parent_tag = NULL;
2580 msk_rx_dma_jfree(struct msk_if_softc *sc_if)
2582 struct msk_rxdesc *jrxd;
2585 /* Jumbo Rx ring. */
2586 if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) {
2587 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map)
2588 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2589 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2590 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map &&
2591 sc_if->msk_rdata.msk_jumbo_rx_ring)
2592 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
2593 sc_if->msk_rdata.msk_jumbo_rx_ring,
2594 sc_if->msk_cdata.msk_jumbo_rx_ring_map);
2595 sc_if->msk_rdata.msk_jumbo_rx_ring = NULL;
2596 sc_if->msk_cdata.msk_jumbo_rx_ring_map = NULL;
2597 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag);
2598 sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL;
2600 /* Jumbo Rx buffers. */
2601 if (sc_if->msk_cdata.msk_jumbo_rx_tag) {
2602 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
2603 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
2604 if (jrxd->rx_dmamap) {
2606 sc_if->msk_cdata.msk_jumbo_rx_tag,
2608 jrxd->rx_dmamap = NULL;
2611 if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) {
2612 bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag,
2613 sc_if->msk_cdata.msk_jumbo_rx_sparemap);
2614 sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0;
2616 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag);
2617 sc_if->msk_cdata.msk_jumbo_rx_tag = NULL;
2622 msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head)
2624 struct msk_txdesc *txd, *txd_last;
2625 struct msk_tx_desc *tx_le;
2628 bus_dma_segment_t txsegs[MSK_MAXTXSEGS];
2629 uint32_t control, csum, prod, si;
2630 uint16_t offset, tcp_offset, tso_mtu;
2631 int error, i, nseg, tso;
2633 MSK_IF_LOCK_ASSERT(sc_if);
2635 tcp_offset = offset = 0;
2637 if (((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2638 (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) ||
2639 ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
2640 (m->m_pkthdr.csum_flags & CSUM_TSO) != 0)) {
2642 * Since mbuf has no protocol specific structure information
2643 * in it we have to inspect protocol information here to
2644 * setup TSO and checksum offload. I don't know why Marvell
2645 * made a such decision in chip design because other GigE
2646 * hardwares normally takes care of all these chores in
2647 * hardware. However, TSO performance of Yukon II is very
2648 * good such that it's worth to implement it.
2650 struct ether_header *eh;
2654 if (M_WRITABLE(m) == 0) {
2655 /* Get a writable copy. */
2656 m = m_dup(*m_head, M_NOWAIT);
2665 offset = sizeof(struct ether_header);
2666 m = m_pullup(m, offset);
2671 eh = mtod(m, struct ether_header *);
2672 /* Check if hardware VLAN insertion is off. */
2673 if (eh->ether_type == htons(ETHERTYPE_VLAN)) {
2674 offset = sizeof(struct ether_vlan_header);
2675 m = m_pullup(m, offset);
2681 m = m_pullup(m, offset + sizeof(struct ip));
2686 ip = (struct ip *)(mtod(m, char *) + offset);
2687 offset += (ip->ip_hl << 2);
2688 tcp_offset = offset;
2689 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2690 m = m_pullup(m, offset + sizeof(struct tcphdr));
2695 tcp = (struct tcphdr *)(mtod(m, char *) + offset);
2696 offset += (tcp->th_off << 2);
2697 } else if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) == 0 &&
2698 (m->m_pkthdr.len < MSK_MIN_FRAMELEN) &&
2699 (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) {
2701 * It seems that Yukon II has Tx checksum offload bug
2702 * for small TCP packets that's less than 60 bytes in
2703 * size (e.g. TCP window probe packet, pure ACK packet).
2704 * Common work around like padding with zeros to make
2705 * the frame minimum ethernet frame size didn't work at
2707 * Instead of disabling checksum offload completely we
2708 * resort to S/W checksum routine when we encounter
2710 * Short UDP packets appear to be handled correctly by
2711 * Yukon II. Also I assume this bug does not happen on
2712 * controllers that use newer descriptor format or
2713 * automatic Tx checksum calculation.
2715 m = m_pullup(m, offset + sizeof(struct tcphdr));
2720 *(uint16_t *)(m->m_data + offset +
2721 m->m_pkthdr.csum_data) = in_cksum_skip(m,
2722 m->m_pkthdr.len, offset);
2723 m->m_pkthdr.csum_flags &= ~CSUM_TCP;
2728 prod = sc_if->msk_cdata.msk_tx_prod;
2729 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2731 map = txd->tx_dmamap;
2732 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map,
2733 *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2734 if (error == EFBIG) {
2735 m = m_collapse(*m_head, M_NOWAIT, MSK_MAXTXSEGS);
2742 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag,
2743 map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT);
2749 } else if (error != 0)
2757 /* Check number of available descriptors. */
2758 if (sc_if->msk_cdata.msk_tx_cnt + nseg >=
2759 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT)) {
2760 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, map);
2768 /* Check TSO support. */
2769 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) {
2770 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2771 tso_mtu = m->m_pkthdr.tso_segsz;
2773 tso_mtu = offset + m->m_pkthdr.tso_segsz;
2774 if (tso_mtu != sc_if->msk_cdata.msk_tso_mtu) {
2775 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2776 tx_le->msk_addr = htole32(tso_mtu);
2777 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0)
2778 tx_le->msk_control = htole32(OP_MSS | HW_OWNER);
2780 tx_le->msk_control =
2781 htole32(OP_LRGLEN | HW_OWNER);
2782 sc_if->msk_cdata.msk_tx_cnt++;
2783 MSK_INC(prod, MSK_TX_RING_CNT);
2784 sc_if->msk_cdata.msk_tso_mtu = tso_mtu;
2788 /* Check if we have a VLAN tag to insert. */
2789 if ((m->m_flags & M_VLANTAG) != 0) {
2790 if (tx_le == NULL) {
2791 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2792 tx_le->msk_addr = htole32(0);
2793 tx_le->msk_control = htole32(OP_VLAN | HW_OWNER |
2794 htons(m->m_pkthdr.ether_vtag));
2795 sc_if->msk_cdata.msk_tx_cnt++;
2796 MSK_INC(prod, MSK_TX_RING_CNT);
2798 tx_le->msk_control |= htole32(OP_VLAN |
2799 htons(m->m_pkthdr.ether_vtag));
2801 control |= INS_VLAN;
2803 /* Check if we have to handle checksum offload. */
2804 if (tso == 0 && (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) {
2805 if ((sc_if->msk_flags & MSK_FLAG_AUTOTX_CSUM) != 0)
2808 control |= CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
2809 if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0)
2811 /* Checksum write position. */
2812 csum = (tcp_offset + m->m_pkthdr.csum_data) & 0xffff;
2813 /* Checksum start position. */
2814 csum |= (uint32_t)tcp_offset << 16;
2815 if (csum != sc_if->msk_cdata.msk_last_csum) {
2816 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2817 tx_le->msk_addr = htole32(csum);
2818 tx_le->msk_control = htole32(1 << 16 |
2819 (OP_TCPLISW | HW_OWNER));
2820 sc_if->msk_cdata.msk_tx_cnt++;
2821 MSK_INC(prod, MSK_TX_RING_CNT);
2822 sc_if->msk_cdata.msk_last_csum = csum;
2827 #ifdef MSK_64BIT_DMA
2828 if (MSK_ADDR_HI(txsegs[0].ds_addr) !=
2829 sc_if->msk_cdata.msk_tx_high_addr) {
2830 sc_if->msk_cdata.msk_tx_high_addr =
2831 MSK_ADDR_HI(txsegs[0].ds_addr);
2832 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2833 tx_le->msk_addr = htole32(MSK_ADDR_HI(txsegs[0].ds_addr));
2834 tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
2835 sc_if->msk_cdata.msk_tx_cnt++;
2836 MSK_INC(prod, MSK_TX_RING_CNT);
2840 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2841 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr));
2843 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2846 tx_le->msk_control = htole32(txsegs[0].ds_len | control |
2848 sc_if->msk_cdata.msk_tx_cnt++;
2849 MSK_INC(prod, MSK_TX_RING_CNT);
2851 for (i = 1; i < nseg; i++) {
2852 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2853 #ifdef MSK_64BIT_DMA
2854 if (MSK_ADDR_HI(txsegs[i].ds_addr) !=
2855 sc_if->msk_cdata.msk_tx_high_addr) {
2856 sc_if->msk_cdata.msk_tx_high_addr =
2857 MSK_ADDR_HI(txsegs[i].ds_addr);
2858 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2860 htole32(MSK_ADDR_HI(txsegs[i].ds_addr));
2861 tx_le->msk_control = htole32(OP_ADDR64 | HW_OWNER);
2862 sc_if->msk_cdata.msk_tx_cnt++;
2863 MSK_INC(prod, MSK_TX_RING_CNT);
2864 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2867 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr));
2868 tx_le->msk_control = htole32(txsegs[i].ds_len | control |
2869 OP_BUFFER | HW_OWNER);
2870 sc_if->msk_cdata.msk_tx_cnt++;
2871 MSK_INC(prod, MSK_TX_RING_CNT);
2873 /* Update producer index. */
2874 sc_if->msk_cdata.msk_tx_prod = prod;
2876 /* Set EOP on the last descriptor. */
2877 prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT;
2878 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod];
2879 tx_le->msk_control |= htole32(EOP);
2881 /* Turn the first descriptor ownership to hardware. */
2882 tx_le = &sc_if->msk_rdata.msk_tx_ring[si];
2883 tx_le->msk_control |= htole32(HW_OWNER);
2885 txd = &sc_if->msk_cdata.msk_txdesc[prod];
2886 map = txd_last->tx_dmamap;
2887 txd_last->tx_dmamap = txd->tx_dmamap;
2888 txd->tx_dmamap = map;
2891 /* Sync descriptors. */
2892 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE);
2893 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
2894 sc_if->msk_cdata.msk_tx_ring_map,
2895 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
2901 msk_start(struct ifnet *ifp)
2903 struct msk_if_softc *sc_if;
2905 sc_if = ifp->if_softc;
2907 msk_start_locked(ifp);
2908 MSK_IF_UNLOCK(sc_if);
2912 msk_start_locked(struct ifnet *ifp)
2914 struct msk_if_softc *sc_if;
2915 struct mbuf *m_head;
2918 sc_if = ifp->if_softc;
2919 MSK_IF_LOCK_ASSERT(sc_if);
2921 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) !=
2922 IFF_DRV_RUNNING || (sc_if->msk_flags & MSK_FLAG_LINK) == 0)
2925 for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) &&
2926 sc_if->msk_cdata.msk_tx_cnt <
2927 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT); ) {
2928 IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
2932 * Pack the data into the transmit ring. If we
2933 * don't have room, set the OACTIVE flag and wait
2934 * for the NIC to drain the ring.
2936 if (msk_encap(sc_if, &m_head) != 0) {
2939 IFQ_DRV_PREPEND(&ifp->if_snd, m_head);
2940 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2946 * If there's a BPF listener, bounce a copy of this frame
2949 ETHER_BPF_MTAP(ifp, m_head);
2954 CSR_WRITE_2(sc_if->msk_softc,
2955 Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG),
2956 sc_if->msk_cdata.msk_tx_prod);
2958 /* Set a timeout in case the chip goes out to lunch. */
2959 sc_if->msk_watchdog_timer = MSK_TX_TIMEOUT;
2964 msk_watchdog(struct msk_if_softc *sc_if)
2968 MSK_IF_LOCK_ASSERT(sc_if);
2970 if (sc_if->msk_watchdog_timer == 0 || --sc_if->msk_watchdog_timer)
2972 ifp = sc_if->msk_ifp;
2973 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0) {
2975 if_printf(sc_if->msk_ifp, "watchdog timeout "
2978 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2979 msk_init_locked(sc_if);
2983 if_printf(ifp, "watchdog timeout\n");
2985 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2986 msk_init_locked(sc_if);
2987 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
2988 msk_start_locked(ifp);
2992 mskc_shutdown(device_t dev)
2994 struct msk_softc *sc;
2997 sc = device_get_softc(dev);
2999 for (i = 0; i < sc->msk_num_port; i++) {
3000 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3001 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
3002 IFF_DRV_RUNNING) != 0))
3003 msk_stop(sc->msk_if[i]);
3007 /* Put hardware reset. */
3008 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
3013 mskc_suspend(device_t dev)
3015 struct msk_softc *sc;
3018 sc = device_get_softc(dev);
3022 for (i = 0; i < sc->msk_num_port; i++) {
3023 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3024 ((sc->msk_if[i]->msk_ifp->if_drv_flags &
3025 IFF_DRV_RUNNING) != 0))
3026 msk_stop(sc->msk_if[i]);
3029 /* Disable all interrupts. */
3030 CSR_WRITE_4(sc, B0_IMSK, 0);
3031 CSR_READ_4(sc, B0_IMSK);
3032 CSR_WRITE_4(sc, B0_HWE_IMSK, 0);
3033 CSR_READ_4(sc, B0_HWE_IMSK);
3035 msk_phy_power(sc, MSK_PHY_POWERDOWN);
3037 /* Put hardware reset. */
3038 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET);
3039 sc->msk_pflags |= MSK_FLAG_SUSPEND;
3047 mskc_resume(device_t dev)
3049 struct msk_softc *sc;
3052 sc = device_get_softc(dev);
3056 CSR_PCI_WRITE_4(sc, PCI_OUR_REG_3, 0);
3058 for (i = 0; i < sc->msk_num_port; i++) {
3059 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL &&
3060 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0)) {
3061 sc->msk_if[i]->msk_ifp->if_drv_flags &=
3063 msk_init_locked(sc->msk_if[i]);
3066 sc->msk_pflags &= ~MSK_FLAG_SUSPEND;
3073 #ifndef __NO_STRICT_ALIGNMENT
3074 static __inline void
3075 msk_fixup_rx(struct mbuf *m)
3078 uint16_t *src, *dst;
3080 src = mtod(m, uint16_t *);
3083 for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++)
3086 m->m_data -= (MSK_RX_BUF_ALIGN - ETHER_ALIGN);
3090 static __inline void
3091 msk_rxcsum(struct msk_if_softc *sc_if, uint32_t control, struct mbuf *m)
3093 struct ether_header *eh;
3096 int32_t hlen, len, pktlen, temp32;
3097 uint16_t csum, *opts;
3099 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) != 0) {
3100 if ((control & (CSS_IPV4 | CSS_IPFRAG)) == CSS_IPV4) {
3101 m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
3102 if ((control & CSS_IPV4_CSUM_OK) != 0)
3103 m->m_pkthdr.csum_flags |= CSUM_IP_VALID;
3104 if ((control & (CSS_TCP | CSS_UDP)) != 0 &&
3105 (control & (CSS_TCPUDP_CSUM_OK)) != 0) {
3106 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID |
3108 m->m_pkthdr.csum_data = 0xffff;
3114 * Marvell Yukon controllers that support OP_RXCHKS has known
3115 * to have various Rx checksum offloading bugs. These
3116 * controllers can be configured to compute simple checksum
3117 * at two different positions. So we can compute IP and TCP/UDP
3118 * checksum at the same time. We intentionally have controller
3119 * compute TCP/UDP checksum twice by specifying the same
3120 * checksum start position and compare the result. If the value
3121 * is different it would indicate the hardware logic was wrong.
3123 if ((sc_if->msk_csum & 0xFFFF) != (sc_if->msk_csum >> 16)) {
3125 device_printf(sc_if->msk_if_dev,
3126 "Rx checksum value mismatch!\n");
3129 pktlen = m->m_pkthdr.len;
3130 if (pktlen < sizeof(struct ether_header) + sizeof(struct ip))
3132 eh = mtod(m, struct ether_header *);
3133 if (eh->ether_type != htons(ETHERTYPE_IP))
3135 ip = (struct ip *)(eh + 1);
3136 if (ip->ip_v != IPVERSION)
3139 hlen = ip->ip_hl << 2;
3140 pktlen -= sizeof(struct ether_header);
3141 if (hlen < sizeof(struct ip))
3143 if (ntohs(ip->ip_len) < hlen)
3145 if (ntohs(ip->ip_len) != pktlen)
3147 if (ip->ip_off & htons(IP_MF | IP_OFFMASK))
3148 return; /* can't handle fragmented packet. */
3152 if (pktlen < (hlen + sizeof(struct tcphdr)))
3156 if (pktlen < (hlen + sizeof(struct udphdr)))
3158 uh = (struct udphdr *)((caddr_t)ip + hlen);
3159 if (uh->uh_sum == 0)
3160 return; /* no checksum */
3165 csum = bswap16(sc_if->msk_csum & 0xFFFF);
3166 /* Checksum fixup for IP options. */
3167 len = hlen - sizeof(struct ip);
3169 opts = (uint16_t *)(ip + 1);
3170 for (; len > 0; len -= sizeof(uint16_t), opts++) {
3171 temp32 = csum - *opts;
3172 temp32 = (temp32 >> 16) + (temp32 & 65535);
3173 csum = temp32 & 65535;
3176 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID;
3177 m->m_pkthdr.csum_data = csum;
3181 msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
3186 struct msk_rxdesc *rxd;
3189 ifp = sc_if->msk_ifp;
3191 MSK_IF_LOCK_ASSERT(sc_if);
3193 cons = sc_if->msk_cdata.msk_rx_cons;
3195 rxlen = status >> 16;
3196 if ((status & GMR_FS_VLAN) != 0 &&
3197 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
3198 rxlen -= ETHER_VLAN_ENCAP_LEN;
3199 if ((sc_if->msk_flags & MSK_FLAG_NORXCHK) != 0) {
3201 * For controllers that returns bogus status code
3202 * just do minimal check and let upper stack
3203 * handle this frame.
3205 if (len > MSK_MAX_FRAMELEN || len < ETHER_HDR_LEN) {
3207 msk_discard_rxbuf(sc_if, cons);
3210 } else if (len > sc_if->msk_framesize ||
3211 ((status & GMR_FS_ANY_ERR) != 0) ||
3212 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
3213 /* Don't count flow-control packet as errors. */
3214 if ((status & GMR_FS_GOOD_FC) == 0)
3216 msk_discard_rxbuf(sc_if, cons);
3219 #ifdef MSK_64BIT_DMA
3220 rxd = &sc_if->msk_cdata.msk_rxdesc[(cons + 1) %
3223 rxd = &sc_if->msk_cdata.msk_rxdesc[cons];
3226 if (msk_newbuf(sc_if, cons) != 0) {
3228 /* Reuse old buffer. */
3229 msk_discard_rxbuf(sc_if, cons);
3232 m->m_pkthdr.rcvif = ifp;
3233 m->m_pkthdr.len = m->m_len = len;
3234 #ifndef __NO_STRICT_ALIGNMENT
3235 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
3239 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
3240 msk_rxcsum(sc_if, control, m);
3241 /* Check for VLAN tagged packets. */
3242 if ((status & GMR_FS_VLAN) != 0 &&
3243 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
3244 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
3245 m->m_flags |= M_VLANTAG;
3247 MSK_IF_UNLOCK(sc_if);
3248 (*ifp->if_input)(ifp, m);
3252 MSK_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT);
3253 MSK_RX_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT);
3257 msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, uint32_t control,
3262 struct msk_rxdesc *jrxd;
3265 ifp = sc_if->msk_ifp;
3267 MSK_IF_LOCK_ASSERT(sc_if);
3269 cons = sc_if->msk_cdata.msk_rx_cons;
3271 rxlen = status >> 16;
3272 if ((status & GMR_FS_VLAN) != 0 &&
3273 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0)
3274 rxlen -= ETHER_VLAN_ENCAP_LEN;
3275 if (len > sc_if->msk_framesize ||
3276 ((status & GMR_FS_ANY_ERR) != 0) ||
3277 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) {
3278 /* Don't count flow-control packet as errors. */
3279 if ((status & GMR_FS_GOOD_FC) == 0)
3281 msk_discard_jumbo_rxbuf(sc_if, cons);
3284 #ifdef MSK_64BIT_DMA
3285 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[(cons + 1) %
3286 MSK_JUMBO_RX_RING_CNT];
3288 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons];
3291 if (msk_jumbo_newbuf(sc_if, cons) != 0) {
3293 /* Reuse old buffer. */
3294 msk_discard_jumbo_rxbuf(sc_if, cons);
3297 m->m_pkthdr.rcvif = ifp;
3298 m->m_pkthdr.len = m->m_len = len;
3299 #ifndef __NO_STRICT_ALIGNMENT
3300 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0)
3304 if ((ifp->if_capenable & IFCAP_RXCSUM) != 0)
3305 msk_rxcsum(sc_if, control, m);
3306 /* Check for VLAN tagged packets. */
3307 if ((status & GMR_FS_VLAN) != 0 &&
3308 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) {
3309 m->m_pkthdr.ether_vtag = sc_if->msk_vtag;
3310 m->m_flags |= M_VLANTAG;
3312 MSK_IF_UNLOCK(sc_if);
3313 (*ifp->if_input)(ifp, m);
3317 MSK_RX_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT);
3318 MSK_RX_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT);
3322 msk_txeof(struct msk_if_softc *sc_if, int idx)
3324 struct msk_txdesc *txd;
3325 struct msk_tx_desc *cur_tx;
3330 MSK_IF_LOCK_ASSERT(sc_if);
3332 ifp = sc_if->msk_ifp;
3334 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag,
3335 sc_if->msk_cdata.msk_tx_ring_map,
3336 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3338 * Go through our tx ring and free mbufs for those
3339 * frames that have been sent.
3341 cons = sc_if->msk_cdata.msk_tx_cons;
3343 for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) {
3344 if (sc_if->msk_cdata.msk_tx_cnt <= 0)
3347 cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons];
3348 control = le32toh(cur_tx->msk_control);
3349 sc_if->msk_cdata.msk_tx_cnt--;
3350 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3351 if ((control & EOP) == 0)
3353 txd = &sc_if->msk_cdata.msk_txdesc[cons];
3354 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap,
3355 BUS_DMASYNC_POSTWRITE);
3356 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap);
3359 KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!",
3366 sc_if->msk_cdata.msk_tx_cons = cons;
3367 if (sc_if->msk_cdata.msk_tx_cnt == 0)
3368 sc_if->msk_watchdog_timer = 0;
3369 /* No need to sync LEs as we didn't update LEs. */
3374 msk_tick(void *xsc_if)
3376 struct msk_if_softc *sc_if;
3377 struct mii_data *mii;
3381 MSK_IF_LOCK_ASSERT(sc_if);
3383 mii = device_get_softc(sc_if->msk_miibus);
3386 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0)
3387 msk_miibus_statchg(sc_if->msk_if_dev);
3388 msk_handle_events(sc_if->msk_softc);
3389 msk_watchdog(sc_if);
3390 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
3394 msk_intr_phy(struct msk_if_softc *sc_if)
3398 msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3399 status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT);
3400 /* Handle FIFO Underrun/Overflow? */
3401 if ((status & PHY_M_IS_FIFO_ERROR))
3402 device_printf(sc_if->msk_if_dev,
3403 "PHY FIFO underrun/overflow.\n");
3407 msk_intr_gmac(struct msk_if_softc *sc_if)
3409 struct msk_softc *sc;
3412 sc = sc_if->msk_softc;
3413 status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3415 /* GMAC Rx FIFO overrun. */
3416 if ((status & GM_IS_RX_FF_OR) != 0)
3417 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
3419 /* GMAC Tx FIFO underrun. */
3420 if ((status & GM_IS_TX_FF_UR) != 0) {
3421 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3423 device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n");
3426 * In case of Tx underrun, we may need to flush/reset
3427 * Tx MAC but that would also require resynchronization
3428 * with status LEs. Reinitializing status LEs would
3429 * affect other port in dual MAC configuration so it
3430 * should be avoided as possible as we can.
3431 * Due to lack of documentation it's all vague guess but
3432 * it needs more investigation.
3438 msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status)
3440 struct msk_softc *sc;
3442 sc = sc_if->msk_softc;
3443 if ((status & Y2_IS_PAR_RD1) != 0) {
3444 device_printf(sc_if->msk_if_dev,
3445 "RAM buffer read parity error\n");
3447 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3450 if ((status & Y2_IS_PAR_WR1) != 0) {
3451 device_printf(sc_if->msk_if_dev,
3452 "RAM buffer write parity error\n");
3454 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL),
3457 if ((status & Y2_IS_PAR_MAC1) != 0) {
3458 device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n");
3460 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3463 if ((status & Y2_IS_PAR_RX1) != 0) {
3464 device_printf(sc_if->msk_if_dev, "Rx parity error\n");
3466 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR);
3468 if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) {
3469 device_printf(sc_if->msk_if_dev, "TCP segmentation error\n");
3471 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP);
3476 msk_intr_hwerr(struct msk_softc *sc)
3479 uint32_t tlphead[4];
3481 status = CSR_READ_4(sc, B0_HWE_ISRC);
3482 /* Time Stamp timer overflow. */
3483 if ((status & Y2_IS_TIST_OV) != 0)
3484 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
3485 if ((status & Y2_IS_PCI_NEXP) != 0) {
3487 * PCI Express Error occured which is not described in PEX
3489 * This error is also mapped either to Master Abort(
3490 * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and
3491 * can only be cleared there.
3493 device_printf(sc->msk_dev,
3494 "PCI Express protocol violation error\n");
3497 if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) {
3500 if ((status & Y2_IS_MST_ERR) != 0)
3501 device_printf(sc->msk_dev,
3502 "unexpected IRQ Status error\n");
3504 device_printf(sc->msk_dev,
3505 "unexpected IRQ Master error\n");
3506 /* Reset all bits in the PCI status register. */
3507 v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2);
3508 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3509 pci_write_config(sc->msk_dev, PCIR_STATUS, v16 |
3510 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT |
3511 PCIM_STATUS_RTABORT | PCIM_STATUS_MDPERR, 2);
3512 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3515 /* Check for PCI Express Uncorrectable Error. */
3516 if ((status & Y2_IS_PCI_EXP) != 0) {
3520 * On PCI Express bus bridges are called root complexes (RC).
3521 * PCI Express errors are recognized by the root complex too,
3522 * which requests the system to handle the problem. After
3523 * error occurence it may be that no access to the adapter
3524 * may be performed any longer.
3527 v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT);
3528 if ((v32 & PEX_UNSUP_REQ) != 0) {
3529 /* Ignore unsupported request error. */
3530 device_printf(sc->msk_dev,
3531 "Uncorrectable PCI Express error\n");
3533 if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) {
3536 /* Get TLP header form Log Registers. */
3537 for (i = 0; i < 4; i++)
3538 tlphead[i] = CSR_PCI_READ_4(sc,
3539 PEX_HEADER_LOG + i * 4);
3540 /* Check for vendor defined broadcast message. */
3541 if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) {
3542 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP;
3543 CSR_WRITE_4(sc, B0_HWE_IMSK,
3544 sc->msk_intrhwemask);
3545 CSR_READ_4(sc, B0_HWE_IMSK);
3548 /* Clear the interrupt. */
3549 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON);
3550 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff);
3551 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
3554 if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL)
3555 msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status);
3556 if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL)
3557 msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8);
3560 static __inline void
3561 msk_rxput(struct msk_if_softc *sc_if)
3563 struct msk_softc *sc;
3565 sc = sc_if->msk_softc;
3566 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN))
3568 sc_if->msk_cdata.msk_jumbo_rx_ring_tag,
3569 sc_if->msk_cdata.msk_jumbo_rx_ring_map,
3570 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3573 sc_if->msk_cdata.msk_rx_ring_tag,
3574 sc_if->msk_cdata.msk_rx_ring_map,
3575 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3576 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq,
3577 PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod);
3581 msk_handle_events(struct msk_softc *sc)
3583 struct msk_if_softc *sc_if;
3585 struct msk_stat_desc *sd;
3586 uint32_t control, status;
3587 int cons, len, port, rxprog;
3589 if (sc->msk_stat_cons == CSR_READ_2(sc, STAT_PUT_IDX))
3592 /* Sync status LEs. */
3593 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3594 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3596 rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0;
3598 cons = sc->msk_stat_cons;
3600 sd = &sc->msk_stat_ring[cons];
3601 control = le32toh(sd->msk_control);
3602 if ((control & HW_OWNER) == 0)
3604 control &= ~HW_OWNER;
3605 sd->msk_control = htole32(control);
3606 status = le32toh(sd->msk_status);
3607 len = control & STLE_LEN_MASK;
3608 port = (control >> 16) & 0x01;
3609 sc_if = sc->msk_if[port];
3610 if (sc_if == NULL) {
3611 device_printf(sc->msk_dev, "invalid port opcode "
3612 "0x%08x\n", control & STLE_OP_MASK);
3616 switch (control & STLE_OP_MASK) {
3618 sc_if->msk_vtag = ntohs(len);
3621 sc_if->msk_vtag = ntohs(len);
3624 sc_if->msk_csum = status;
3627 if (!(sc_if->msk_ifp->if_drv_flags & IFF_DRV_RUNNING))
3629 if (sc_if->msk_framesize >
3630 (MCLBYTES - MSK_RX_BUF_ALIGN))
3631 msk_jumbo_rxeof(sc_if, status, control, len);
3633 msk_rxeof(sc_if, status, control, len);
3636 * Because there is no way to sync single Rx LE
3637 * put the DMA sync operation off until the end of
3641 /* Update prefetch unit if we've passed water mark. */
3642 if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) {
3648 if (sc->msk_if[MSK_PORT_A] != NULL)
3649 msk_txeof(sc->msk_if[MSK_PORT_A],
3650 status & STLE_TXA1_MSKL);
3651 if (sc->msk_if[MSK_PORT_B] != NULL)
3652 msk_txeof(sc->msk_if[MSK_PORT_B],
3653 ((status & STLE_TXA2_MSKL) >>
3655 ((len & STLE_TXA2_MSKH) <<
3659 device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n",
3660 control & STLE_OP_MASK);
3663 MSK_INC(cons, sc->msk_stat_count);
3664 if (rxprog > sc->msk_process_limit)
3668 sc->msk_stat_cons = cons;
3669 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map,
3670 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3672 if (rxput[MSK_PORT_A] > 0)
3673 msk_rxput(sc->msk_if[MSK_PORT_A]);
3674 if (rxput[MSK_PORT_B] > 0)
3675 msk_rxput(sc->msk_if[MSK_PORT_B]);
3677 return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX));
3683 struct msk_softc *sc;
3684 struct msk_if_softc *sc_if0, *sc_if1;
3685 struct ifnet *ifp0, *ifp1;
3692 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */
3693 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2);
3694 if (status == 0 || status == 0xffffffff ||
3695 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 ||
3696 (status & sc->msk_intrmask) == 0) {
3697 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3702 sc_if0 = sc->msk_if[MSK_PORT_A];
3703 sc_if1 = sc->msk_if[MSK_PORT_B];
3706 ifp0 = sc_if0->msk_ifp;
3708 ifp1 = sc_if1->msk_ifp;
3710 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL)
3711 msk_intr_phy(sc_if0);
3712 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL)
3713 msk_intr_phy(sc_if1);
3714 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL)
3715 msk_intr_gmac(sc_if0);
3716 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL)
3717 msk_intr_gmac(sc_if1);
3718 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) {
3719 device_printf(sc->msk_dev, "Rx descriptor error\n");
3720 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2);
3721 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3722 CSR_READ_4(sc, B0_IMSK);
3724 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) {
3725 device_printf(sc->msk_dev, "Tx descriptor error\n");
3726 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2);
3727 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
3728 CSR_READ_4(sc, B0_IMSK);
3730 if ((status & Y2_IS_HW_ERR) != 0)
3733 domore = msk_handle_events(sc);
3734 if ((status & Y2_IS_STAT_BMU) != 0 && domore == 0)
3735 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ);
3737 /* Clear TWSI IRQ. */
3738 if ((status & Y2_IS_TWSI_RDY) != 0)
3739 CSR_WRITE_4(sc, B2_I2C_IRQ, 1);
3740 /* Reenable interrupts. */
3741 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
3743 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3744 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd))
3745 msk_start_locked(ifp0);
3746 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 &&
3747 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd))
3748 msk_start_locked(ifp1);
3754 msk_set_tx_stfwd(struct msk_if_softc *sc_if)
3756 struct msk_softc *sc;
3759 ifp = sc_if->msk_ifp;
3760 sc = sc_if->msk_softc;
3761 if ((sc->msk_hw_id == CHIP_ID_YUKON_EX &&
3762 sc->msk_hw_rev != CHIP_REV_YU_EX_A0) ||
3763 sc->msk_hw_id >= CHIP_ID_YUKON_SUPR) {
3764 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3767 if (ifp->if_mtu > ETHERMTU) {
3768 /* Set Tx GMAC FIFO Almost Empty Threshold. */
3770 MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR),
3771 MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR);
3772 /* Disable Store & Forward mode for Tx. */
3773 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3776 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T),
3785 struct msk_if_softc *sc_if = xsc;
3788 msk_init_locked(sc_if);
3789 MSK_IF_UNLOCK(sc_if);
3793 msk_init_locked(struct msk_if_softc *sc_if)
3795 struct msk_softc *sc;
3797 struct mii_data *mii;
3803 MSK_IF_LOCK_ASSERT(sc_if);
3805 ifp = sc_if->msk_ifp;
3806 sc = sc_if->msk_softc;
3807 mii = device_get_softc(sc_if->msk_miibus);
3809 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0)
3813 /* Cancel pending I/O and free all Rx/Tx buffers. */
3816 if (ifp->if_mtu < ETHERMTU)
3817 sc_if->msk_framesize = ETHERMTU;
3819 sc_if->msk_framesize = ifp->if_mtu;
3820 sc_if->msk_framesize += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN;
3821 if (ifp->if_mtu > ETHERMTU &&
3822 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
3823 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
3824 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM);
3827 /* GMAC Control reset. */
3828 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_SET);
3829 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_RST_CLR);
3830 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_F_LOOPB_OFF);
3831 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
3832 sc->msk_hw_id == CHIP_ID_YUKON_SUPR)
3833 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL),
3834 GMC_BYP_MACSECRX_ON | GMC_BYP_MACSECTX_ON |
3838 * Initialize GMAC first such that speed/duplex/flow-control
3839 * parameters are renegotiated when interface is brought up.
3841 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, 0);
3843 /* Dummy read the Interrupt Source Register. */
3844 CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC));
3846 /* Clear MIB stats. */
3847 msk_stats_clear(sc_if);
3850 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS);
3852 /* Setup Transmit Control Register. */
3853 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF));
3855 /* Setup Transmit Flow Control Register. */
3856 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff);
3858 /* Setup Transmit Parameter Register. */
3859 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM,
3860 TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) |
3861 TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF));
3863 gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) |
3864 GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF);
3866 if (ifp->if_mtu > ETHERMTU)
3867 gmac |= GM_SMOD_JUMBO_ENA;
3868 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac);
3870 /* Set station address. */
3871 eaddr = IF_LLADDR(ifp);
3872 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L,
3873 eaddr[0] | (eaddr[1] << 8));
3874 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1M,
3875 eaddr[2] | (eaddr[3] << 8));
3876 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1H,
3877 eaddr[4] | (eaddr[5] << 8));
3878 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L,
3879 eaddr[0] | (eaddr[1] << 8));
3880 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2M,
3881 eaddr[2] | (eaddr[3] << 8));
3882 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2H,
3883 eaddr[4] | (eaddr[5] << 8));
3885 /* Disable interrupts for counter overflows. */
3886 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0);
3887 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0);
3888 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0);
3890 /* Configure Rx MAC FIFO. */
3891 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
3892 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR);
3893 reg = GMF_OPER_ON | GMF_RX_F_FL_ON;
3894 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P ||
3895 sc->msk_hw_id == CHIP_ID_YUKON_EX)
3896 reg |= GMF_RX_OVER_ON;
3897 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), reg);
3899 /* Set receive filter. */
3900 msk_rxfilter(sc_if);
3902 if (sc->msk_hw_id == CHIP_ID_YUKON_XL) {
3903 /* Clear flush mask - HW bug. */
3904 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 0);
3906 /* Flush Rx MAC FIFO on any flow control or error. */
3907 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK),
3912 * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word
3913 * due to hardware hang on receipt of pause frames.
3915 reg = RX_GMF_FL_THR_DEF + 1;
3916 /* Another magic for Yukon FE+ - From Linux. */
3917 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3918 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0)
3920 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), reg);
3922 /* Configure Tx MAC FIFO. */
3923 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
3924 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR);
3925 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON);
3927 /* Configure hardware VLAN tag insertion/stripping. */
3928 msk_setvlan(sc_if, ifp);
3930 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) {
3931 /* Set Rx Pause threshold. */
3932 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR),
3934 CSR_WRITE_2(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR),
3936 /* Configure store-and-forward for Tx. */
3937 msk_set_tx_stfwd(sc_if);
3940 if (sc->msk_hw_id == CHIP_ID_YUKON_FE_P &&
3941 sc->msk_hw_rev == CHIP_REV_YU_FE_P_A0) {
3942 /* Disable dynamic watermark - from Linux. */
3943 reg = CSR_READ_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA));
3945 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_EA), reg);
3949 * Disable Force Sync bit and Alloc bit in Tx RAM interface
3950 * arbiter as we don't use Sync Tx queue.
3952 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL),
3953 TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
3954 /* Enable the RAM Interface Arbiter. */
3955 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB);
3957 /* Setup RAM buffer. */
3958 msk_set_rambuffer(sc_if);
3960 /* Disable Tx sync Queue. */
3961 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET);
3963 /* Setup Tx Queue Bus Memory Interface. */
3964 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET);
3965 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT);
3966 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON);
3967 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM);
3968 switch (sc->msk_hw_id) {
3969 case CHIP_ID_YUKON_EC_U:
3970 if (sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) {
3971 /* Fix for Yukon-EC Ultra: set BMU FIFO level */
3972 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL),
3976 case CHIP_ID_YUKON_EX:
3978 * Yukon Extreme seems to have silicon bug for
3979 * automatic Tx checksum calculation capability.
3981 if (sc->msk_hw_rev == CHIP_REV_YU_EX_B0)
3982 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_F),
3987 /* Setup Rx Queue Bus Memory Interface. */
3988 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET);
3989 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT);
3990 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON);
3991 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM);
3992 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U &&
3993 sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) {
3994 /* MAC Rx RAM Read is controlled by hardware. */
3995 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS);
3998 msk_set_prefetch(sc, sc_if->msk_txq,
3999 sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1);
4000 msk_init_tx_ring(sc_if);
4002 /* Disable Rx checksum offload and RSS hash. */
4003 reg = BMU_DIS_RX_RSS_HASH;
4004 if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0 &&
4005 (ifp->if_capenable & IFCAP_RXCSUM) != 0)
4006 reg |= BMU_ENA_RX_CHKSUM;
4008 reg |= BMU_DIS_RX_CHKSUM;
4009 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), reg);
4010 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) {
4011 msk_set_prefetch(sc, sc_if->msk_rxq,
4012 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr,
4013 MSK_JUMBO_RX_RING_CNT - 1);
4014 error = msk_init_jumbo_rx_ring(sc_if);
4016 msk_set_prefetch(sc, sc_if->msk_rxq,
4017 sc_if->msk_rdata.msk_rx_ring_paddr,
4018 MSK_RX_RING_CNT - 1);
4019 error = msk_init_rx_ring(sc_if);
4022 device_printf(sc_if->msk_if_dev,
4023 "initialization failed: no memory for Rx buffers\n");
4027 if (sc->msk_hw_id == CHIP_ID_YUKON_EX ||
4028 sc->msk_hw_id == CHIP_ID_YUKON_SUPR) {
4029 /* Disable flushing of non-ASF packets. */
4030 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T),
4031 GMF_RX_MACSEC_FLUSH_OFF);
4034 /* Configure interrupt handling. */
4035 if (sc_if->msk_port == MSK_PORT_A) {
4036 sc->msk_intrmask |= Y2_IS_PORT_A;
4037 sc->msk_intrhwemask |= Y2_HWE_L1_MASK;
4039 sc->msk_intrmask |= Y2_IS_PORT_B;
4040 sc->msk_intrhwemask |= Y2_HWE_L2_MASK;
4042 /* Configure IRQ moderation mask. */
4043 CSR_WRITE_4(sc, B2_IRQM_MSK, sc->msk_intrmask);
4044 if (sc->msk_int_holdoff > 0) {
4045 /* Configure initial IRQ moderation timer value. */
4046 CSR_WRITE_4(sc, B2_IRQM_INI,
4047 MSK_USECS(sc, sc->msk_int_holdoff));
4048 CSR_WRITE_4(sc, B2_IRQM_VAL,
4049 MSK_USECS(sc, sc->msk_int_holdoff));
4050 /* Start IRQ moderation. */
4051 CSR_WRITE_1(sc, B2_IRQM_CTRL, TIM_START);
4053 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
4054 CSR_READ_4(sc, B0_HWE_IMSK);
4055 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
4056 CSR_READ_4(sc, B0_IMSK);
4058 sc_if->msk_flags &= ~MSK_FLAG_LINK;
4061 ifp->if_drv_flags |= IFF_DRV_RUNNING;
4062 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4064 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if);
4068 msk_set_rambuffer(struct msk_if_softc *sc_if)
4070 struct msk_softc *sc;
4073 sc = sc_if->msk_softc;
4074 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0)
4077 /* Setup Rx Queue. */
4078 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR);
4079 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START),
4080 sc->msk_rxqstart[sc_if->msk_port] / 8);
4081 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END),
4082 sc->msk_rxqend[sc_if->msk_port] / 8);
4083 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP),
4084 sc->msk_rxqstart[sc_if->msk_port] / 8);
4085 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP),
4086 sc->msk_rxqstart[sc_if->msk_port] / 8);
4088 utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
4089 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8;
4090 ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 -
4091 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8;
4092 if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE)
4093 ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8;
4094 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp);
4095 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp);
4096 /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */
4098 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD);
4099 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL));
4101 /* Setup Tx Queue. */
4102 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR);
4103 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START),
4104 sc->msk_txqstart[sc_if->msk_port] / 8);
4105 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END),
4106 sc->msk_txqend[sc_if->msk_port] / 8);
4107 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP),
4108 sc->msk_txqstart[sc_if->msk_port] / 8);
4109 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP),
4110 sc->msk_txqstart[sc_if->msk_port] / 8);
4111 /* Enable Store & Forward for Tx side. */
4112 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD);
4113 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD);
4114 CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL));
4118 msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr,
4122 /* Reset the prefetch unit. */
4123 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4125 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4127 /* Set LE base address. */
4128 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG),
4130 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG),
4132 /* Set the list last index. */
4133 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG),
4135 /* Turn on prefetch unit. */
4136 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG),
4138 /* Dummy read to ensure write. */
4139 CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG));
4143 msk_stop(struct msk_if_softc *sc_if)
4145 struct msk_softc *sc;
4146 struct msk_txdesc *txd;
4147 struct msk_rxdesc *rxd;
4148 struct msk_rxdesc *jrxd;
4153 MSK_IF_LOCK_ASSERT(sc_if);
4154 sc = sc_if->msk_softc;
4155 ifp = sc_if->msk_ifp;
4157 callout_stop(&sc_if->msk_tick_ch);
4158 sc_if->msk_watchdog_timer = 0;
4160 /* Disable interrupts. */
4161 if (sc_if->msk_port == MSK_PORT_A) {
4162 sc->msk_intrmask &= ~Y2_IS_PORT_A;
4163 sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK;
4165 sc->msk_intrmask &= ~Y2_IS_PORT_B;
4166 sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK;
4168 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask);
4169 CSR_READ_4(sc, B0_HWE_IMSK);
4170 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask);
4171 CSR_READ_4(sc, B0_IMSK);
4173 /* Disable Tx/Rx MAC. */
4174 val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
4175 val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
4176 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val);
4177 /* Read again to ensure writing. */
4178 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL);
4179 /* Update stats and clear counters. */
4180 msk_stats_update(sc_if);
4183 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP);
4184 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
4185 for (i = 0; i < MSK_TIMEOUT; i++) {
4186 if ((val & (BMU_STOP | BMU_IDLE)) == 0) {
4187 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
4189 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR));
4194 if (i == MSK_TIMEOUT)
4195 device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n");
4196 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL),
4197 RB_RST_SET | RB_DIS_OP_MD);
4199 /* Disable all GMAC interrupt. */
4200 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0);
4201 /* Disable PHY interrupt. */
4202 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0);
4204 /* Disable the RAM Interface Arbiter. */
4205 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB);
4207 /* Reset the PCI FIFO of the async Tx queue */
4208 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR),
4209 BMU_RST_SET | BMU_FIFO_RST);
4211 /* Reset the Tx prefetch units. */
4212 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG),
4215 /* Reset the RAM Buffer async Tx queue. */
4216 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET);
4218 /* Reset Tx MAC FIFO. */
4219 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET);
4220 /* Set Pause Off. */
4221 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF);
4224 * The Rx Stop command will not work for Yukon-2 if the BMU does not
4225 * reach the end of packet and since we can't make sure that we have
4226 * incoming data, we must reset the BMU while it is not during a DMA
4227 * transfer. Since it is possible that the Rx path is still active,
4228 * the Rx RAM buffer will be stopped first, so any possible incoming
4229 * data will not trigger a DMA. After the RAM buffer is stopped, the
4230 * BMU is polled until any DMA in progress is ended and only then it
4234 /* Disable the RAM Buffer receive queue. */
4235 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD);
4236 for (i = 0; i < MSK_TIMEOUT; i++) {
4237 if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) ==
4238 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL)))
4242 if (i == MSK_TIMEOUT)
4243 device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n");
4244 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR),
4245 BMU_RST_SET | BMU_FIFO_RST);
4246 /* Reset the Rx prefetch unit. */
4247 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG),
4249 /* Reset the RAM Buffer receive queue. */
4250 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET);
4251 /* Reset Rx MAC FIFO. */
4252 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET);
4254 /* Free Rx and Tx mbufs still in the queues. */
4255 for (i = 0; i < MSK_RX_RING_CNT; i++) {
4256 rxd = &sc_if->msk_cdata.msk_rxdesc[i];
4257 if (rxd->rx_m != NULL) {
4258 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag,
4259 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4260 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag,
4266 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) {
4267 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i];
4268 if (jrxd->rx_m != NULL) {
4269 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag,
4270 jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD);
4271 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag,
4273 m_freem(jrxd->rx_m);
4277 for (i = 0; i < MSK_TX_RING_CNT; i++) {
4278 txd = &sc_if->msk_cdata.msk_txdesc[i];
4279 if (txd->tx_m != NULL) {
4280 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag,
4281 txd->tx_dmamap, BUS_DMASYNC_POSTWRITE);
4282 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag,
4290 * Mark the interface down.
4292 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
4293 sc_if->msk_flags &= ~MSK_FLAG_LINK;
4297 * When GM_PAR_MIB_CLR bit of GM_PHY_ADDR is set, reading lower
4298 * counter clears high 16 bits of the counter such that accessing
4299 * lower 16 bits should be the last operation.
4301 #define MSK_READ_MIB32(x, y) \
4302 (((uint32_t)GMAC_READ_2(sc, x, (y) + 4)) << 16) + \
4303 (uint32_t)GMAC_READ_2(sc, x, y)
4304 #define MSK_READ_MIB64(x, y) \
4305 (((uint64_t)MSK_READ_MIB32(x, (y) + 8)) << 32) + \
4306 (uint64_t)MSK_READ_MIB32(x, y)
4309 msk_stats_clear(struct msk_if_softc *sc_if)
4311 struct msk_softc *sc;
4316 MSK_IF_LOCK_ASSERT(sc_if);
4318 sc = sc_if->msk_softc;
4319 /* Set MIB Clear Counter Mode. */
4320 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4321 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4322 /* Read all MIB Counters with Clear Mode set. */
4323 for (i = GM_RXF_UC_OK; i <= GM_TXE_FIFO_UR; i += sizeof(uint32_t))
4324 reg = MSK_READ_MIB32(sc_if->msk_port, i);
4325 /* Clear MIB Clear Counter Mode. */
4326 gmac &= ~GM_PAR_MIB_CLR;
4327 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4331 msk_stats_update(struct msk_if_softc *sc_if)
4333 struct msk_softc *sc;
4335 struct msk_hw_stats *stats;
4339 MSK_IF_LOCK_ASSERT(sc_if);
4341 ifp = sc_if->msk_ifp;
4342 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
4344 sc = sc_if->msk_softc;
4345 stats = &sc_if->msk_stats;
4346 /* Set MIB Clear Counter Mode. */
4347 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR);
4348 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR);
4351 stats->rx_ucast_frames +=
4352 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_UC_OK);
4353 stats->rx_bcast_frames +=
4354 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_BC_OK);
4355 stats->rx_pause_frames +=
4356 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MPAUSE);
4357 stats->rx_mcast_frames +=
4358 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MC_OK);
4359 stats->rx_crc_errs +=
4360 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_FCS_ERR);
4361 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE1);
4362 stats->rx_good_octets +=
4363 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_OK_LO);
4364 stats->rx_bad_octets +=
4365 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_ERR_LO);
4367 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SHT);
4368 stats->rx_runt_errs +=
4369 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FRAG);
4370 stats->rx_pkts_64 +=
4371 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_64B);
4372 stats->rx_pkts_65_127 +=
4373 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_127B);
4374 stats->rx_pkts_128_255 +=
4375 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_255B);
4376 stats->rx_pkts_256_511 +=
4377 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_511B);
4378 stats->rx_pkts_512_1023 +=
4379 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1023B);
4380 stats->rx_pkts_1024_1518 +=
4381 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1518B);
4382 stats->rx_pkts_1519_max +=
4383 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MAX_SZ);
4384 stats->rx_pkts_too_long +=
4385 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_LNG_ERR);
4386 stats->rx_pkts_jabbers +=
4387 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_JAB_PKT);
4388 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE2);
4389 stats->rx_fifo_oflows +=
4390 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FIFO_OV);
4391 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE3);
4394 stats->tx_ucast_frames +=
4395 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_UC_OK);
4396 stats->tx_bcast_frames +=
4397 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_BC_OK);
4398 stats->tx_pause_frames +=
4399 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MPAUSE);
4400 stats->tx_mcast_frames +=
4401 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MC_OK);
4403 MSK_READ_MIB64(sc_if->msk_port, GM_TXO_OK_LO);
4404 stats->tx_pkts_64 +=
4405 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_64B);
4406 stats->tx_pkts_65_127 +=
4407 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_127B);
4408 stats->tx_pkts_128_255 +=
4409 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_255B);
4410 stats->tx_pkts_256_511 +=
4411 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_511B);
4412 stats->tx_pkts_512_1023 +=
4413 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1023B);
4414 stats->tx_pkts_1024_1518 +=
4415 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1518B);
4416 stats->tx_pkts_1519_max +=
4417 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MAX_SZ);
4418 reg = MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SPARE1);
4420 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_COL);
4421 stats->tx_late_colls +=
4422 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_LAT_COL);
4423 stats->tx_excess_colls +=
4424 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_ABO_COL);
4425 stats->tx_multi_colls +=
4426 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MUL_COL);
4427 stats->tx_single_colls +=
4428 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SNG_COL);
4429 stats->tx_underflows +=
4430 MSK_READ_MIB32(sc_if->msk_port, GM_TXE_FIFO_UR);
4431 /* Clear MIB Clear Counter Mode. */
4432 gmac &= ~GM_PAR_MIB_CLR;
4433 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac);
4437 msk_sysctl_stat32(SYSCTL_HANDLER_ARGS)
4439 struct msk_softc *sc;
4440 struct msk_if_softc *sc_if;
4441 uint32_t result, *stat;
4444 sc_if = (struct msk_if_softc *)arg1;
4445 sc = sc_if->msk_softc;
4447 stat = (uint32_t *)((uint8_t *)&sc_if->msk_stats + off);
4450 result = MSK_READ_MIB32(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4452 MSK_IF_UNLOCK(sc_if);
4454 return (sysctl_handle_int(oidp, &result, 0, req));
4458 msk_sysctl_stat64(SYSCTL_HANDLER_ARGS)
4460 struct msk_softc *sc;
4461 struct msk_if_softc *sc_if;
4462 uint64_t result, *stat;
4465 sc_if = (struct msk_if_softc *)arg1;
4466 sc = sc_if->msk_softc;
4468 stat = (uint64_t *)((uint8_t *)&sc_if->msk_stats + off);
4471 result = MSK_READ_MIB64(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2);
4473 MSK_IF_UNLOCK(sc_if);
4475 return (sysctl_handle_64(oidp, &result, 0, req));
4478 #undef MSK_READ_MIB32
4479 #undef MSK_READ_MIB64
4481 #define MSK_SYSCTL_STAT32(sc, c, o, p, n, d) \
4482 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \
4483 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat32, \
4485 #define MSK_SYSCTL_STAT64(sc, c, o, p, n, d) \
4486 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_U64 | CTLFLAG_RD, \
4487 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat64, \
4491 msk_sysctl_node(struct msk_if_softc *sc_if)
4493 struct sysctl_ctx_list *ctx;
4494 struct sysctl_oid_list *child, *schild;
4495 struct sysctl_oid *tree;
4497 ctx = device_get_sysctl_ctx(sc_if->msk_if_dev);
4498 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc_if->msk_if_dev));
4500 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
4501 NULL, "MSK Statistics");
4502 schild = child = SYSCTL_CHILDREN(tree);
4503 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "rx", CTLFLAG_RD,
4504 NULL, "MSK RX Statistics");
4505 child = SYSCTL_CHILDREN(tree);
4506 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4507 child, rx_ucast_frames, "Good unicast frames");
4508 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4509 child, rx_bcast_frames, "Good broadcast frames");
4510 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4511 child, rx_pause_frames, "Pause frames");
4512 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4513 child, rx_mcast_frames, "Multicast frames");
4514 MSK_SYSCTL_STAT32(sc_if, ctx, "crc_errs",
4515 child, rx_crc_errs, "CRC errors");
4516 MSK_SYSCTL_STAT64(sc_if, ctx, "good_octets",
4517 child, rx_good_octets, "Good octets");
4518 MSK_SYSCTL_STAT64(sc_if, ctx, "bad_octets",
4519 child, rx_bad_octets, "Bad octets");
4520 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4521 child, rx_pkts_64, "64 bytes frames");
4522 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4523 child, rx_pkts_65_127, "65 to 127 bytes frames");
4524 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4525 child, rx_pkts_128_255, "128 to 255 bytes frames");
4526 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4527 child, rx_pkts_256_511, "256 to 511 bytes frames");
4528 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4529 child, rx_pkts_512_1023, "512 to 1023 bytes frames");
4530 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4531 child, rx_pkts_1024_1518, "1024 to 1518 bytes frames");
4532 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4533 child, rx_pkts_1519_max, "1519 to max frames");
4534 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_too_long",
4535 child, rx_pkts_too_long, "frames too long");
4536 MSK_SYSCTL_STAT32(sc_if, ctx, "jabbers",
4537 child, rx_pkts_jabbers, "Jabber errors");
4538 MSK_SYSCTL_STAT32(sc_if, ctx, "overflows",
4539 child, rx_fifo_oflows, "FIFO overflows");
4541 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "tx", CTLFLAG_RD,
4542 NULL, "MSK TX Statistics");
4543 child = SYSCTL_CHILDREN(tree);
4544 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames",
4545 child, tx_ucast_frames, "Unicast frames");
4546 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames",
4547 child, tx_bcast_frames, "Broadcast frames");
4548 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames",
4549 child, tx_pause_frames, "Pause frames");
4550 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames",
4551 child, tx_mcast_frames, "Multicast frames");
4552 MSK_SYSCTL_STAT64(sc_if, ctx, "octets",
4553 child, tx_octets, "Octets");
4554 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64",
4555 child, tx_pkts_64, "64 bytes frames");
4556 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127",
4557 child, tx_pkts_65_127, "65 to 127 bytes frames");
4558 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255",
4559 child, tx_pkts_128_255, "128 to 255 bytes frames");
4560 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511",
4561 child, tx_pkts_256_511, "256 to 511 bytes frames");
4562 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023",
4563 child, tx_pkts_512_1023, "512 to 1023 bytes frames");
4564 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518",
4565 child, tx_pkts_1024_1518, "1024 to 1518 bytes frames");
4566 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max",
4567 child, tx_pkts_1519_max, "1519 to max frames");
4568 MSK_SYSCTL_STAT32(sc_if, ctx, "colls",
4569 child, tx_colls, "Collisions");
4570 MSK_SYSCTL_STAT32(sc_if, ctx, "late_colls",
4571 child, tx_late_colls, "Late collisions");
4572 MSK_SYSCTL_STAT32(sc_if, ctx, "excess_colls",
4573 child, tx_excess_colls, "Excessive collisions");
4574 MSK_SYSCTL_STAT32(sc_if, ctx, "multi_colls",
4575 child, tx_multi_colls, "Multiple collisions");
4576 MSK_SYSCTL_STAT32(sc_if, ctx, "single_colls",
4577 child, tx_single_colls, "Single collisions");
4578 MSK_SYSCTL_STAT32(sc_if, ctx, "underflows",
4579 child, tx_underflows, "FIFO underflows");
4582 #undef MSK_SYSCTL_STAT32
4583 #undef MSK_SYSCTL_STAT64
4586 sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high)
4592 value = *(int *)arg1;
4593 error = sysctl_handle_int(oidp, &value, 0, req);
4594 if (error || !req->newptr)
4596 if (value < low || value > high)
4598 *(int *)arg1 = value;
4604 sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS)
4607 return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN,