1/****************************************************************************** 2 * 3 * Name : sky2.c 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 8 * 9 *****************************************************************************/ 10 11/****************************************************************************** 12 * 13 * LICENSE: 14 * Copyright (C) Marvell International Ltd. and/or its affiliates 15 * 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 20 * and conditions: 21 * 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. 31 * 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. 44 * /LICENSE 45 * 46 *****************************************************************************/ 47 48/*- 49 * Copyright (c) 1997, 1998, 1999, 2000 50 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 51 * 52 * Redistribution and use in source and binary forms, with or without 53 * modification, are permitted provided that the following conditions 54 * are met: 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. 66 * 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. 78 */ 79/*- 80 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> 81 * 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. 85 * 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. 93 */ 94 95/* 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. 99 */ 100 101#include <sys/cdefs.h>
| 1/****************************************************************************** 2 * 3 * Name : sky2.c 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 8 * 9 *****************************************************************************/ 10 11/****************************************************************************** 12 * 13 * LICENSE: 14 * Copyright (C) Marvell International Ltd. and/or its affiliates 15 * 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 20 * and conditions: 21 * 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. 31 * 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. 44 * /LICENSE 45 * 46 *****************************************************************************/ 47 48/*- 49 * Copyright (c) 1997, 1998, 1999, 2000 50 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 51 * 52 * Redistribution and use in source and binary forms, with or without 53 * modification, are permitted provided that the following conditions 54 * are met: 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. 66 * 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. 78 */ 79/*- 80 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> 81 * 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. 85 * 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. 93 */ 94 95/* 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. 99 */ 100 101#include <sys/cdefs.h>
|
102__FBSDID("$FreeBSD: head/sys/dev/msk/if_msk.c 192720 2009-05-25 03:53:12Z yongari $");
| 102__FBSDID("$FreeBSD: head/sys/dev/msk/if_msk.c 192723 2009-05-25 04:22:27Z yongari $");
|
103 104#include <sys/param.h> 105#include <sys/systm.h> 106#include <sys/bus.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> 116#include <sys/taskqueue.h> 117 118#include <net/bpf.h> 119#include <net/ethernet.h> 120#include <net/if.h> 121#include <net/if_arp.h> 122#include <net/if_dl.h> 123#include <net/if_media.h> 124#include <net/if_types.h> 125#include <net/if_vlan_var.h> 126 127#include <netinet/in.h> 128#include <netinet/in_systm.h> 129#include <netinet/ip.h> 130#include <netinet/tcp.h> 131#include <netinet/udp.h> 132 133#include <machine/bus.h> 134#include <machine/in_cksum.h> 135#include <machine/resource.h> 136#include <sys/rman.h> 137 138#include <dev/mii/mii.h> 139#include <dev/mii/miivar.h> 140#include <dev/mii/brgphyreg.h> 141 142#include <dev/pci/pcireg.h> 143#include <dev/pci/pcivar.h> 144 145#include <dev/msk/if_mskreg.h> 146 147MODULE_DEPEND(msk, pci, 1, 1, 1); 148MODULE_DEPEND(msk, ether, 1, 1, 1); 149MODULE_DEPEND(msk, miibus, 1, 1, 1); 150 151/* "device miibus" required. See GENERIC if you get errors here. */ 152#include "miibus_if.h" 153 154/* Tunables. */ 155static int msi_disable = 0; 156TUNABLE_INT("hw.msk.msi_disable", &msi_disable); 157static int legacy_intr = 0; 158TUNABLE_INT("hw.msk.legacy_intr", &legacy_intr); 159static int jumbo_disable = 0; 160TUNABLE_INT("hw.msk.jumbo_disable", &jumbo_disable); 161 162#define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP) 163 164/* 165 * Devices supported by this driver. 166 */ 167static struct msk_product { 168 uint16_t msk_vendorid; 169 uint16_t msk_deviceid; 170 const char *msk_name; 171} msk_products[] = { 172 { VENDORID_SK, DEVICEID_SK_YUKON2, 173 "SK-9Sxx Gigabit Ethernet" }, 174 { VENDORID_SK, DEVICEID_SK_YUKON2_EXPR, 175 "SK-9Exx Gigabit Ethernet"}, 176 { VENDORID_MARVELL, DEVICEID_MRVL_8021CU, 177 "Marvell Yukon 88E8021CU Gigabit Ethernet" }, 178 { VENDORID_MARVELL, DEVICEID_MRVL_8021X, 179 "Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" }, 180 { VENDORID_MARVELL, DEVICEID_MRVL_8022CU, 181 "Marvell Yukon 88E8022CU Gigabit Ethernet" }, 182 { VENDORID_MARVELL, DEVICEID_MRVL_8022X, 183 "Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" }, 184 { VENDORID_MARVELL, DEVICEID_MRVL_8061CU, 185 "Marvell Yukon 88E8061CU Gigabit Ethernet" }, 186 { VENDORID_MARVELL, DEVICEID_MRVL_8061X, 187 "Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" }, 188 { VENDORID_MARVELL, DEVICEID_MRVL_8062CU, 189 "Marvell Yukon 88E8062CU Gigabit Ethernet" }, 190 { VENDORID_MARVELL, DEVICEID_MRVL_8062X, 191 "Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" }, 192 { VENDORID_MARVELL, DEVICEID_MRVL_8035, 193 "Marvell Yukon 88E8035 Gigabit Ethernet" }, 194 { VENDORID_MARVELL, DEVICEID_MRVL_8036, 195 "Marvell Yukon 88E8036 Gigabit Ethernet" }, 196 { VENDORID_MARVELL, DEVICEID_MRVL_8038, 197 "Marvell Yukon 88E8038 Gigabit Ethernet" }, 198 { VENDORID_MARVELL, DEVICEID_MRVL_8039, 199 "Marvell Yukon 88E8039 Gigabit Ethernet" }, 200 { VENDORID_MARVELL, DEVICEID_MRVL_4361, 201 "Marvell Yukon 88E8050 Gigabit Ethernet" }, 202 { VENDORID_MARVELL, DEVICEID_MRVL_4360, 203 "Marvell Yukon 88E8052 Gigabit Ethernet" }, 204 { VENDORID_MARVELL, DEVICEID_MRVL_4362, 205 "Marvell Yukon 88E8053 Gigabit Ethernet" }, 206 { VENDORID_MARVELL, DEVICEID_MRVL_4363, 207 "Marvell Yukon 88E8055 Gigabit Ethernet" }, 208 { VENDORID_MARVELL, DEVICEID_MRVL_4364, 209 "Marvell Yukon 88E8056 Gigabit Ethernet" }, 210 { VENDORID_MARVELL, DEVICEID_MRVL_436A, 211 "Marvell Yukon 88E8058 Gigabit Ethernet" }, 212 { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX, 213 "D-Link 550SX Gigabit Ethernet" }, 214 { VENDORID_DLINK, DEVICEID_DLINK_DGE560T, 215 "D-Link 560T Gigabit Ethernet" } 216}; 217 218static const char *model_name[] = { 219 "Yukon XL", 220 "Yukon EC Ultra", 221 "Yukon Unknown", 222 "Yukon EC", 223 "Yukon FE" 224}; 225 226static int mskc_probe(device_t); 227static int mskc_attach(device_t); 228static int mskc_detach(device_t); 229static int mskc_shutdown(device_t); 230static int mskc_setup_rambuffer(struct msk_softc *); 231static int mskc_suspend(device_t); 232static int mskc_resume(device_t); 233static void mskc_reset(struct msk_softc *); 234 235static int msk_probe(device_t); 236static int msk_attach(device_t); 237static int msk_detach(device_t); 238 239static void msk_tick(void *); 240static void msk_legacy_intr(void *); 241static int msk_intr(void *); 242static void msk_int_task(void *, int); 243static void msk_intr_phy(struct msk_if_softc *); 244static void msk_intr_gmac(struct msk_if_softc *); 245static __inline void msk_rxput(struct msk_if_softc *); 246static int msk_handle_events(struct msk_softc *); 247static void msk_handle_hwerr(struct msk_if_softc *, uint32_t); 248static void msk_intr_hwerr(struct msk_softc *); 249#ifndef __NO_STRICT_ALIGNMENT 250static __inline void msk_fixup_rx(struct mbuf *); 251#endif 252static void msk_rxeof(struct msk_if_softc *, uint32_t, int); 253static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, int); 254static void msk_txeof(struct msk_if_softc *, int); 255static int msk_encap(struct msk_if_softc *, struct mbuf **); 256static void msk_tx_task(void *, int); 257static void msk_start(struct ifnet *); 258static int msk_ioctl(struct ifnet *, u_long, caddr_t); 259static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t); 260static void msk_set_rambuffer(struct msk_if_softc *); 261static void msk_init(void *); 262static void msk_init_locked(struct msk_if_softc *); 263static void msk_stop(struct msk_if_softc *); 264static void msk_watchdog(struct msk_if_softc *); 265static int msk_mediachange(struct ifnet *); 266static void msk_mediastatus(struct ifnet *, struct ifmediareq *); 267static void msk_phy_power(struct msk_softc *, int); 268static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int); 269static int msk_status_dma_alloc(struct msk_softc *); 270static void msk_status_dma_free(struct msk_softc *); 271static int msk_txrx_dma_alloc(struct msk_if_softc *); 272static int msk_rx_dma_jalloc(struct msk_if_softc *); 273static void msk_txrx_dma_free(struct msk_if_softc *); 274static void msk_rx_dma_jfree(struct msk_if_softc *); 275static int msk_init_rx_ring(struct msk_if_softc *); 276static int msk_init_jumbo_rx_ring(struct msk_if_softc *); 277static void msk_init_tx_ring(struct msk_if_softc *); 278static __inline void msk_discard_rxbuf(struct msk_if_softc *, int); 279static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int); 280static int msk_newbuf(struct msk_if_softc *, int); 281static int msk_jumbo_newbuf(struct msk_if_softc *, int); 282 283static int msk_phy_readreg(struct msk_if_softc *, int, int); 284static int msk_phy_writereg(struct msk_if_softc *, int, int, int); 285static int msk_miibus_readreg(device_t, int, int); 286static int msk_miibus_writereg(device_t, int, int, int); 287static void msk_miibus_statchg(device_t); 288 289static void msk_rxfilter(struct msk_if_softc *); 290static void msk_setvlan(struct msk_if_softc *, struct ifnet *); 291 292static void msk_stats_clear(struct msk_if_softc *); 293static void msk_stats_update(struct msk_if_softc *); 294static int msk_sysctl_stat32(SYSCTL_HANDLER_ARGS); 295static int msk_sysctl_stat64(SYSCTL_HANDLER_ARGS); 296static void msk_sysctl_node(struct msk_if_softc *); 297static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int); 298static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS); 299 300static device_method_t mskc_methods[] = { 301 /* Device interface */ 302 DEVMETHOD(device_probe, mskc_probe), 303 DEVMETHOD(device_attach, mskc_attach), 304 DEVMETHOD(device_detach, mskc_detach), 305 DEVMETHOD(device_suspend, mskc_suspend), 306 DEVMETHOD(device_resume, mskc_resume), 307 DEVMETHOD(device_shutdown, mskc_shutdown), 308 309 /* bus interface */ 310 DEVMETHOD(bus_print_child, bus_generic_print_child), 311 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 312 313 { NULL, NULL } 314}; 315 316static driver_t mskc_driver = { 317 "mskc", 318 mskc_methods, 319 sizeof(struct msk_softc) 320}; 321 322static devclass_t mskc_devclass; 323 324static device_method_t msk_methods[] = { 325 /* Device interface */ 326 DEVMETHOD(device_probe, msk_probe), 327 DEVMETHOD(device_attach, msk_attach), 328 DEVMETHOD(device_detach, msk_detach), 329 DEVMETHOD(device_shutdown, bus_generic_shutdown), 330 331 /* bus interface */ 332 DEVMETHOD(bus_print_child, bus_generic_print_child), 333 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 334 335 /* MII interface */ 336 DEVMETHOD(miibus_readreg, msk_miibus_readreg), 337 DEVMETHOD(miibus_writereg, msk_miibus_writereg), 338 DEVMETHOD(miibus_statchg, msk_miibus_statchg), 339 340 { NULL, NULL } 341}; 342 343static driver_t msk_driver = { 344 "msk", 345 msk_methods, 346 sizeof(struct msk_if_softc) 347}; 348 349static devclass_t msk_devclass; 350 351DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, 0, 0); 352DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, 0, 0); 353DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, 0, 0); 354 355static struct resource_spec msk_res_spec_io[] = { 356 { SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE }, 357 { -1, 0, 0 } 358}; 359 360static struct resource_spec msk_res_spec_mem[] = { 361 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE }, 362 { -1, 0, 0 } 363}; 364 365static struct resource_spec msk_irq_spec_legacy[] = { 366 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE }, 367 { -1, 0, 0 } 368}; 369 370static struct resource_spec msk_irq_spec_msi[] = { 371 { SYS_RES_IRQ, 1, RF_ACTIVE }, 372 { -1, 0, 0 } 373}; 374 375static struct resource_spec msk_irq_spec_msi2[] = { 376 { SYS_RES_IRQ, 1, RF_ACTIVE }, 377 { SYS_RES_IRQ, 2, RF_ACTIVE }, 378 { -1, 0, 0 } 379}; 380 381static int 382msk_miibus_readreg(device_t dev, int phy, int reg) 383{ 384 struct msk_if_softc *sc_if; 385 386 if (phy != PHY_ADDR_MARV) 387 return (0); 388 389 sc_if = device_get_softc(dev); 390 391 return (msk_phy_readreg(sc_if, phy, reg)); 392} 393 394static int 395msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg) 396{ 397 struct msk_softc *sc; 398 int i, val; 399 400 sc = sc_if->msk_softc; 401 402 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL, 403 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); 404 405 for (i = 0; i < MSK_TIMEOUT; i++) { 406 DELAY(1); 407 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL); 408 if ((val & GM_SMI_CT_RD_VAL) != 0) { 409 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA); 410 break; 411 } 412 } 413 414 if (i == MSK_TIMEOUT) { 415 if_printf(sc_if->msk_ifp, "phy failed to come ready\n"); 416 val = 0; 417 } 418 419 return (val); 420} 421 422static int 423msk_miibus_writereg(device_t dev, int phy, int reg, int val) 424{ 425 struct msk_if_softc *sc_if; 426 427 if (phy != PHY_ADDR_MARV) 428 return (0); 429 430 sc_if = device_get_softc(dev); 431 432 return (msk_phy_writereg(sc_if, phy, reg, val)); 433} 434 435static int 436msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val) 437{ 438 struct msk_softc *sc; 439 int i; 440 441 sc = sc_if->msk_softc; 442 443 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val); 444 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL, 445 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg)); 446 for (i = 0; i < MSK_TIMEOUT; i++) { 447 DELAY(1); 448 if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) & 449 GM_SMI_CT_BUSY) == 0) 450 break; 451 } 452 if (i == MSK_TIMEOUT) 453 if_printf(sc_if->msk_ifp, "phy write timeout\n"); 454 455 return (0); 456} 457 458static void 459msk_miibus_statchg(device_t dev) 460{ 461 struct msk_softc *sc; 462 struct msk_if_softc *sc_if; 463 struct mii_data *mii; 464 struct ifnet *ifp; 465 uint32_t gmac; 466 467 sc_if = device_get_softc(dev); 468 sc = sc_if->msk_softc; 469 470 MSK_IF_LOCK(sc_if); 471 472 mii = device_get_softc(sc_if->msk_miibus); 473 ifp = sc_if->msk_ifp; 474 if (mii == NULL || ifp == NULL || 475 (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 476 return; 477 478 if (mii->mii_media_status & IFM_ACTIVE) { 479 if (IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) 480 sc_if->msk_flags |= MSK_FLAG_LINK; 481 } else 482 sc_if->msk_flags &= ~MSK_FLAG_LINK; 483 484 if ((sc_if->msk_flags & MSK_FLAG_LINK) != 0) { 485 /* Enable Tx FIFO Underrun. */ 486 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 487 GM_IS_TX_FF_UR | GM_IS_RX_FF_OR); 488 /* 489 * Because mii(4) notify msk(4) that it detected link status 490 * change, there is no need to enable automatic 491 * speed/flow-control/duplex updates. 492 */ 493 gmac = GM_GPCR_AU_ALL_DIS; 494 switch (IFM_SUBTYPE(mii->mii_media_active)) { 495 case IFM_1000_SX: 496 case IFM_1000_T: 497 gmac |= GM_GPCR_SPEED_1000; 498 break; 499 case IFM_100_TX: 500 gmac |= GM_GPCR_SPEED_100; 501 break; 502 case IFM_10_T: 503 break; 504 } 505 506 if (((mii->mii_media_active & IFM_GMASK) & IFM_FDX) != 0) 507 gmac |= GM_GPCR_DUP_FULL; 508 /* Disable Rx flow control. */ 509 if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG0) == 0) 510 gmac |= GM_GPCR_FC_RX_DIS; 511 /* Disable Tx flow control. */ 512 if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG1) == 0) 513 gmac |= GM_GPCR_FC_TX_DIS; 514 gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; 515 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); 516 /* Read again to ensure writing. */ 517 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 518 519 gmac = GMC_PAUSE_ON; 520 if (((mii->mii_media_active & IFM_GMASK) & 521 (IFM_FLAG0 | IFM_FLAG1)) == 0) 522 gmac = GMC_PAUSE_OFF; 523 /* Diable pause for 10/100 Mbps in half-duplex mode. */ 524 if ((((mii->mii_media_active & IFM_GMASK) & IFM_FDX) == 0) && 525 (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX || 526 IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T)) 527 gmac = GMC_PAUSE_OFF; 528 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac); 529 530 /* Enable PHY interrupt for FIFO underrun/overflow. */ 531 msk_phy_writereg(sc_if, PHY_ADDR_MARV, 532 PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR); 533 } else { 534 /* 535 * Link state changed to down. 536 * Disable PHY interrupts. 537 */ 538 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0); 539 /* Disable Rx/Tx MAC. */ 540 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 541 gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); 542 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); 543 /* Read again to ensure writing. */ 544 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 545 } 546} 547 548static void 549msk_rxfilter(struct msk_if_softc *sc_if) 550{ 551 struct msk_softc *sc; 552 struct ifnet *ifp; 553 struct ifmultiaddr *ifma; 554 uint32_t mchash[2]; 555 uint32_t crc; 556 uint16_t mode; 557 558 sc = sc_if->msk_softc; 559 560 MSK_IF_LOCK_ASSERT(sc_if); 561 562 ifp = sc_if->msk_ifp; 563 564 bzero(mchash, sizeof(mchash)); 565 mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL); 566 if ((ifp->if_flags & IFF_PROMISC) != 0) 567 mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); 568 else if ((ifp->if_flags & IFF_ALLMULTI) != 0) { 569 mode |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; 570 mchash[0] = 0xffff; 571 mchash[1] = 0xffff; 572 } else { 573 mode |= GM_RXCR_UCF_ENA; 574 IF_ADDR_LOCK(ifp); 575 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 576 if (ifma->ifma_addr->sa_family != AF_LINK) 577 continue; 578 crc = ether_crc32_be(LLADDR((struct sockaddr_dl *) 579 ifma->ifma_addr), ETHER_ADDR_LEN); 580 /* Just want the 6 least significant bits. */ 581 crc &= 0x3f; 582 /* Set the corresponding bit in the hash table. */ 583 mchash[crc >> 5] |= 1 << (crc & 0x1f); 584 } 585 IF_ADDR_UNLOCK(ifp); 586 if (mchash[0] != 0 || mchash[1] != 0) 587 mode |= GM_RXCR_MCF_ENA; 588 } 589 590 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1, 591 mchash[0] & 0xffff); 592 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2, 593 (mchash[0] >> 16) & 0xffff); 594 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3, 595 mchash[1] & 0xffff); 596 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4, 597 (mchash[1] >> 16) & 0xffff); 598 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode); 599} 600 601static void 602msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp) 603{ 604 struct msk_softc *sc; 605 606 sc = sc_if->msk_softc; 607 if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { 608 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 609 RX_VLAN_STRIP_ON); 610 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 611 TX_VLAN_TAG_ON); 612 } else { 613 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 614 RX_VLAN_STRIP_OFF); 615 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 616 TX_VLAN_TAG_OFF); 617 } 618} 619 620static int 621msk_init_rx_ring(struct msk_if_softc *sc_if) 622{ 623 struct msk_ring_data *rd; 624 struct msk_rxdesc *rxd; 625 int i, prod; 626 627 MSK_IF_LOCK_ASSERT(sc_if); 628 629 sc_if->msk_cdata.msk_rx_cons = 0; 630 sc_if->msk_cdata.msk_rx_prod = 0; 631 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM; 632 633 rd = &sc_if->msk_rdata; 634 bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT); 635 prod = sc_if->msk_cdata.msk_rx_prod; 636 for (i = 0; i < MSK_RX_RING_CNT; i++) { 637 rxd = &sc_if->msk_cdata.msk_rxdesc[prod]; 638 rxd->rx_m = NULL; 639 rxd->rx_le = &rd->msk_rx_ring[prod]; 640 if (msk_newbuf(sc_if, prod) != 0) 641 return (ENOBUFS); 642 MSK_INC(prod, MSK_RX_RING_CNT); 643 } 644 645 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag, 646 sc_if->msk_cdata.msk_rx_ring_map, 647 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 648 649 /* Update prefetch unit. */ 650 sc_if->msk_cdata.msk_rx_prod = MSK_RX_RING_CNT - 1; 651 CSR_WRITE_2(sc_if->msk_softc, 652 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG), 653 sc_if->msk_cdata.msk_rx_prod); 654 655 return (0); 656} 657 658static int 659msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if) 660{ 661 struct msk_ring_data *rd; 662 struct msk_rxdesc *rxd; 663 int i, prod; 664 665 MSK_IF_LOCK_ASSERT(sc_if); 666 667 sc_if->msk_cdata.msk_rx_cons = 0; 668 sc_if->msk_cdata.msk_rx_prod = 0; 669 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM; 670 671 rd = &sc_if->msk_rdata; 672 bzero(rd->msk_jumbo_rx_ring, 673 sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT); 674 prod = sc_if->msk_cdata.msk_rx_prod; 675 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 676 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod]; 677 rxd->rx_m = NULL; 678 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod]; 679 if (msk_jumbo_newbuf(sc_if, prod) != 0) 680 return (ENOBUFS); 681 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT); 682 } 683 684 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 685 sc_if->msk_cdata.msk_jumbo_rx_ring_map, 686 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 687 688 sc_if->msk_cdata.msk_rx_prod = MSK_JUMBO_RX_RING_CNT - 1; 689 CSR_WRITE_2(sc_if->msk_softc, 690 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG), 691 sc_if->msk_cdata.msk_rx_prod); 692 693 return (0); 694} 695 696static void 697msk_init_tx_ring(struct msk_if_softc *sc_if) 698{ 699 struct msk_ring_data *rd; 700 struct msk_txdesc *txd; 701 int i; 702 703 sc_if->msk_cdata.msk_tso_mtu = 0; 704 sc_if->msk_cdata.msk_tx_prod = 0; 705 sc_if->msk_cdata.msk_tx_cons = 0; 706 sc_if->msk_cdata.msk_tx_cnt = 0; 707 708 rd = &sc_if->msk_rdata; 709 bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT); 710 for (i = 0; i < MSK_TX_RING_CNT; i++) { 711 txd = &sc_if->msk_cdata.msk_txdesc[i]; 712 txd->tx_m = NULL; 713 txd->tx_le = &rd->msk_tx_ring[i]; 714 } 715 716 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, 717 sc_if->msk_cdata.msk_tx_ring_map, 718 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 719} 720 721static __inline void 722msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx) 723{ 724 struct msk_rx_desc *rx_le; 725 struct msk_rxdesc *rxd; 726 struct mbuf *m; 727 728 rxd = &sc_if->msk_cdata.msk_rxdesc[idx]; 729 m = rxd->rx_m; 730 rx_le = rxd->rx_le; 731 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER); 732} 733 734static __inline void 735msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx) 736{ 737 struct msk_rx_desc *rx_le; 738 struct msk_rxdesc *rxd; 739 struct mbuf *m; 740 741 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx]; 742 m = rxd->rx_m; 743 rx_le = rxd->rx_le; 744 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER); 745} 746 747static int 748msk_newbuf(struct msk_if_softc *sc_if, int idx) 749{ 750 struct msk_rx_desc *rx_le; 751 struct msk_rxdesc *rxd; 752 struct mbuf *m; 753 bus_dma_segment_t segs[1]; 754 bus_dmamap_t map; 755 int nsegs; 756 757 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 758 if (m == NULL) 759 return (ENOBUFS); 760 761 m->m_len = m->m_pkthdr.len = MCLBYTES; 762 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) 763 m_adj(m, ETHER_ALIGN); 764#ifndef __NO_STRICT_ALIGNMENT 765 else 766 m_adj(m, MSK_RX_BUF_ALIGN); 767#endif 768 769 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_rx_tag, 770 sc_if->msk_cdata.msk_rx_sparemap, m, segs, &nsegs, 771 BUS_DMA_NOWAIT) != 0) { 772 m_freem(m); 773 return (ENOBUFS); 774 } 775 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs)); 776 777 rxd = &sc_if->msk_cdata.msk_rxdesc[idx]; 778 if (rxd->rx_m != NULL) { 779 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap, 780 BUS_DMASYNC_POSTREAD); 781 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap); 782 } 783 map = rxd->rx_dmamap; 784 rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap; 785 sc_if->msk_cdata.msk_rx_sparemap = map; 786 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap, 787 BUS_DMASYNC_PREREAD); 788 rxd->rx_m = m; 789 rx_le = rxd->rx_le; 790 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr)); 791 rx_le->msk_control = 792 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER); 793 794 return (0); 795} 796 797static int 798msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx) 799{ 800 struct msk_rx_desc *rx_le; 801 struct msk_rxdesc *rxd; 802 struct mbuf *m; 803 bus_dma_segment_t segs[1]; 804 bus_dmamap_t map; 805 int nsegs; 806 807 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES); 808 if (m == NULL) 809 return (ENOBUFS); 810 if ((m->m_flags & M_EXT) == 0) { 811 m_freem(m); 812 return (ENOBUFS); 813 } 814 m->m_len = m->m_pkthdr.len = MJUM9BYTES; 815 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) 816 m_adj(m, ETHER_ALIGN); 817#ifndef __NO_STRICT_ALIGNMENT 818 else 819 m_adj(m, MSK_RX_BUF_ALIGN); 820#endif 821 822 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag, 823 sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs, 824 BUS_DMA_NOWAIT) != 0) { 825 m_freem(m); 826 return (ENOBUFS); 827 } 828 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs)); 829 830 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx]; 831 if (rxd->rx_m != NULL) { 832 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, 833 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD); 834 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag, 835 rxd->rx_dmamap); 836 } 837 map = rxd->rx_dmamap; 838 rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap; 839 sc_if->msk_cdata.msk_jumbo_rx_sparemap = map; 840 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap, 841 BUS_DMASYNC_PREREAD); 842 rxd->rx_m = m; 843 rx_le = rxd->rx_le; 844 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr)); 845 rx_le->msk_control = 846 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER); 847 848 return (0); 849} 850 851/* 852 * Set media options. 853 */ 854static int 855msk_mediachange(struct ifnet *ifp) 856{ 857 struct msk_if_softc *sc_if; 858 struct mii_data *mii; 859 int error; 860 861 sc_if = ifp->if_softc; 862 863 MSK_IF_LOCK(sc_if); 864 mii = device_get_softc(sc_if->msk_miibus); 865 error = mii_mediachg(mii); 866 MSK_IF_UNLOCK(sc_if); 867 868 return (error); 869} 870 871/* 872 * Report current media status. 873 */ 874static void 875msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 876{ 877 struct msk_if_softc *sc_if; 878 struct mii_data *mii; 879 880 sc_if = ifp->if_softc; 881 MSK_IF_LOCK(sc_if); 882 mii = device_get_softc(sc_if->msk_miibus); 883 884 mii_pollstat(mii); 885 MSK_IF_UNLOCK(sc_if); 886 ifmr->ifm_active = mii->mii_media_active; 887 ifmr->ifm_status = mii->mii_media_status; 888} 889 890static int 891msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 892{ 893 struct msk_if_softc *sc_if; 894 struct ifreq *ifr; 895 struct mii_data *mii; 896 int error, mask; 897 898 sc_if = ifp->if_softc; 899 ifr = (struct ifreq *)data; 900 error = 0; 901 902 switch(command) { 903 case SIOCSIFMTU:
| 103 104#include <sys/param.h> 105#include <sys/systm.h> 106#include <sys/bus.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> 116#include <sys/taskqueue.h> 117 118#include <net/bpf.h> 119#include <net/ethernet.h> 120#include <net/if.h> 121#include <net/if_arp.h> 122#include <net/if_dl.h> 123#include <net/if_media.h> 124#include <net/if_types.h> 125#include <net/if_vlan_var.h> 126 127#include <netinet/in.h> 128#include <netinet/in_systm.h> 129#include <netinet/ip.h> 130#include <netinet/tcp.h> 131#include <netinet/udp.h> 132 133#include <machine/bus.h> 134#include <machine/in_cksum.h> 135#include <machine/resource.h> 136#include <sys/rman.h> 137 138#include <dev/mii/mii.h> 139#include <dev/mii/miivar.h> 140#include <dev/mii/brgphyreg.h> 141 142#include <dev/pci/pcireg.h> 143#include <dev/pci/pcivar.h> 144 145#include <dev/msk/if_mskreg.h> 146 147MODULE_DEPEND(msk, pci, 1, 1, 1); 148MODULE_DEPEND(msk, ether, 1, 1, 1); 149MODULE_DEPEND(msk, miibus, 1, 1, 1); 150 151/* "device miibus" required. See GENERIC if you get errors here. */ 152#include "miibus_if.h" 153 154/* Tunables. */ 155static int msi_disable = 0; 156TUNABLE_INT("hw.msk.msi_disable", &msi_disable); 157static int legacy_intr = 0; 158TUNABLE_INT("hw.msk.legacy_intr", &legacy_intr); 159static int jumbo_disable = 0; 160TUNABLE_INT("hw.msk.jumbo_disable", &jumbo_disable); 161 162#define MSK_CSUM_FEATURES (CSUM_TCP | CSUM_UDP) 163 164/* 165 * Devices supported by this driver. 166 */ 167static struct msk_product { 168 uint16_t msk_vendorid; 169 uint16_t msk_deviceid; 170 const char *msk_name; 171} msk_products[] = { 172 { VENDORID_SK, DEVICEID_SK_YUKON2, 173 "SK-9Sxx Gigabit Ethernet" }, 174 { VENDORID_SK, DEVICEID_SK_YUKON2_EXPR, 175 "SK-9Exx Gigabit Ethernet"}, 176 { VENDORID_MARVELL, DEVICEID_MRVL_8021CU, 177 "Marvell Yukon 88E8021CU Gigabit Ethernet" }, 178 { VENDORID_MARVELL, DEVICEID_MRVL_8021X, 179 "Marvell Yukon 88E8021 SX/LX Gigabit Ethernet" }, 180 { VENDORID_MARVELL, DEVICEID_MRVL_8022CU, 181 "Marvell Yukon 88E8022CU Gigabit Ethernet" }, 182 { VENDORID_MARVELL, DEVICEID_MRVL_8022X, 183 "Marvell Yukon 88E8022 SX/LX Gigabit Ethernet" }, 184 { VENDORID_MARVELL, DEVICEID_MRVL_8061CU, 185 "Marvell Yukon 88E8061CU Gigabit Ethernet" }, 186 { VENDORID_MARVELL, DEVICEID_MRVL_8061X, 187 "Marvell Yukon 88E8061 SX/LX Gigabit Ethernet" }, 188 { VENDORID_MARVELL, DEVICEID_MRVL_8062CU, 189 "Marvell Yukon 88E8062CU Gigabit Ethernet" }, 190 { VENDORID_MARVELL, DEVICEID_MRVL_8062X, 191 "Marvell Yukon 88E8062 SX/LX Gigabit Ethernet" }, 192 { VENDORID_MARVELL, DEVICEID_MRVL_8035, 193 "Marvell Yukon 88E8035 Gigabit Ethernet" }, 194 { VENDORID_MARVELL, DEVICEID_MRVL_8036, 195 "Marvell Yukon 88E8036 Gigabit Ethernet" }, 196 { VENDORID_MARVELL, DEVICEID_MRVL_8038, 197 "Marvell Yukon 88E8038 Gigabit Ethernet" }, 198 { VENDORID_MARVELL, DEVICEID_MRVL_8039, 199 "Marvell Yukon 88E8039 Gigabit Ethernet" }, 200 { VENDORID_MARVELL, DEVICEID_MRVL_4361, 201 "Marvell Yukon 88E8050 Gigabit Ethernet" }, 202 { VENDORID_MARVELL, DEVICEID_MRVL_4360, 203 "Marvell Yukon 88E8052 Gigabit Ethernet" }, 204 { VENDORID_MARVELL, DEVICEID_MRVL_4362, 205 "Marvell Yukon 88E8053 Gigabit Ethernet" }, 206 { VENDORID_MARVELL, DEVICEID_MRVL_4363, 207 "Marvell Yukon 88E8055 Gigabit Ethernet" }, 208 { VENDORID_MARVELL, DEVICEID_MRVL_4364, 209 "Marvell Yukon 88E8056 Gigabit Ethernet" }, 210 { VENDORID_MARVELL, DEVICEID_MRVL_436A, 211 "Marvell Yukon 88E8058 Gigabit Ethernet" }, 212 { VENDORID_DLINK, DEVICEID_DLINK_DGE550SX, 213 "D-Link 550SX Gigabit Ethernet" }, 214 { VENDORID_DLINK, DEVICEID_DLINK_DGE560T, 215 "D-Link 560T Gigabit Ethernet" } 216}; 217 218static const char *model_name[] = { 219 "Yukon XL", 220 "Yukon EC Ultra", 221 "Yukon Unknown", 222 "Yukon EC", 223 "Yukon FE" 224}; 225 226static int mskc_probe(device_t); 227static int mskc_attach(device_t); 228static int mskc_detach(device_t); 229static int mskc_shutdown(device_t); 230static int mskc_setup_rambuffer(struct msk_softc *); 231static int mskc_suspend(device_t); 232static int mskc_resume(device_t); 233static void mskc_reset(struct msk_softc *); 234 235static int msk_probe(device_t); 236static int msk_attach(device_t); 237static int msk_detach(device_t); 238 239static void msk_tick(void *); 240static void msk_legacy_intr(void *); 241static int msk_intr(void *); 242static void msk_int_task(void *, int); 243static void msk_intr_phy(struct msk_if_softc *); 244static void msk_intr_gmac(struct msk_if_softc *); 245static __inline void msk_rxput(struct msk_if_softc *); 246static int msk_handle_events(struct msk_softc *); 247static void msk_handle_hwerr(struct msk_if_softc *, uint32_t); 248static void msk_intr_hwerr(struct msk_softc *); 249#ifndef __NO_STRICT_ALIGNMENT 250static __inline void msk_fixup_rx(struct mbuf *); 251#endif 252static void msk_rxeof(struct msk_if_softc *, uint32_t, int); 253static void msk_jumbo_rxeof(struct msk_if_softc *, uint32_t, int); 254static void msk_txeof(struct msk_if_softc *, int); 255static int msk_encap(struct msk_if_softc *, struct mbuf **); 256static void msk_tx_task(void *, int); 257static void msk_start(struct ifnet *); 258static int msk_ioctl(struct ifnet *, u_long, caddr_t); 259static void msk_set_prefetch(struct msk_softc *, int, bus_addr_t, uint32_t); 260static void msk_set_rambuffer(struct msk_if_softc *); 261static void msk_init(void *); 262static void msk_init_locked(struct msk_if_softc *); 263static void msk_stop(struct msk_if_softc *); 264static void msk_watchdog(struct msk_if_softc *); 265static int msk_mediachange(struct ifnet *); 266static void msk_mediastatus(struct ifnet *, struct ifmediareq *); 267static void msk_phy_power(struct msk_softc *, int); 268static void msk_dmamap_cb(void *, bus_dma_segment_t *, int, int); 269static int msk_status_dma_alloc(struct msk_softc *); 270static void msk_status_dma_free(struct msk_softc *); 271static int msk_txrx_dma_alloc(struct msk_if_softc *); 272static int msk_rx_dma_jalloc(struct msk_if_softc *); 273static void msk_txrx_dma_free(struct msk_if_softc *); 274static void msk_rx_dma_jfree(struct msk_if_softc *); 275static int msk_init_rx_ring(struct msk_if_softc *); 276static int msk_init_jumbo_rx_ring(struct msk_if_softc *); 277static void msk_init_tx_ring(struct msk_if_softc *); 278static __inline void msk_discard_rxbuf(struct msk_if_softc *, int); 279static __inline void msk_discard_jumbo_rxbuf(struct msk_if_softc *, int); 280static int msk_newbuf(struct msk_if_softc *, int); 281static int msk_jumbo_newbuf(struct msk_if_softc *, int); 282 283static int msk_phy_readreg(struct msk_if_softc *, int, int); 284static int msk_phy_writereg(struct msk_if_softc *, int, int, int); 285static int msk_miibus_readreg(device_t, int, int); 286static int msk_miibus_writereg(device_t, int, int, int); 287static void msk_miibus_statchg(device_t); 288 289static void msk_rxfilter(struct msk_if_softc *); 290static void msk_setvlan(struct msk_if_softc *, struct ifnet *); 291 292static void msk_stats_clear(struct msk_if_softc *); 293static void msk_stats_update(struct msk_if_softc *); 294static int msk_sysctl_stat32(SYSCTL_HANDLER_ARGS); 295static int msk_sysctl_stat64(SYSCTL_HANDLER_ARGS); 296static void msk_sysctl_node(struct msk_if_softc *); 297static int sysctl_int_range(SYSCTL_HANDLER_ARGS, int, int); 298static int sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS); 299 300static device_method_t mskc_methods[] = { 301 /* Device interface */ 302 DEVMETHOD(device_probe, mskc_probe), 303 DEVMETHOD(device_attach, mskc_attach), 304 DEVMETHOD(device_detach, mskc_detach), 305 DEVMETHOD(device_suspend, mskc_suspend), 306 DEVMETHOD(device_resume, mskc_resume), 307 DEVMETHOD(device_shutdown, mskc_shutdown), 308 309 /* bus interface */ 310 DEVMETHOD(bus_print_child, bus_generic_print_child), 311 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 312 313 { NULL, NULL } 314}; 315 316static driver_t mskc_driver = { 317 "mskc", 318 mskc_methods, 319 sizeof(struct msk_softc) 320}; 321 322static devclass_t mskc_devclass; 323 324static device_method_t msk_methods[] = { 325 /* Device interface */ 326 DEVMETHOD(device_probe, msk_probe), 327 DEVMETHOD(device_attach, msk_attach), 328 DEVMETHOD(device_detach, msk_detach), 329 DEVMETHOD(device_shutdown, bus_generic_shutdown), 330 331 /* bus interface */ 332 DEVMETHOD(bus_print_child, bus_generic_print_child), 333 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 334 335 /* MII interface */ 336 DEVMETHOD(miibus_readreg, msk_miibus_readreg), 337 DEVMETHOD(miibus_writereg, msk_miibus_writereg), 338 DEVMETHOD(miibus_statchg, msk_miibus_statchg), 339 340 { NULL, NULL } 341}; 342 343static driver_t msk_driver = { 344 "msk", 345 msk_methods, 346 sizeof(struct msk_if_softc) 347}; 348 349static devclass_t msk_devclass; 350 351DRIVER_MODULE(mskc, pci, mskc_driver, mskc_devclass, 0, 0); 352DRIVER_MODULE(msk, mskc, msk_driver, msk_devclass, 0, 0); 353DRIVER_MODULE(miibus, msk, miibus_driver, miibus_devclass, 0, 0); 354 355static struct resource_spec msk_res_spec_io[] = { 356 { SYS_RES_IOPORT, PCIR_BAR(1), RF_ACTIVE }, 357 { -1, 0, 0 } 358}; 359 360static struct resource_spec msk_res_spec_mem[] = { 361 { SYS_RES_MEMORY, PCIR_BAR(0), RF_ACTIVE }, 362 { -1, 0, 0 } 363}; 364 365static struct resource_spec msk_irq_spec_legacy[] = { 366 { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE }, 367 { -1, 0, 0 } 368}; 369 370static struct resource_spec msk_irq_spec_msi[] = { 371 { SYS_RES_IRQ, 1, RF_ACTIVE }, 372 { -1, 0, 0 } 373}; 374 375static struct resource_spec msk_irq_spec_msi2[] = { 376 { SYS_RES_IRQ, 1, RF_ACTIVE }, 377 { SYS_RES_IRQ, 2, RF_ACTIVE }, 378 { -1, 0, 0 } 379}; 380 381static int 382msk_miibus_readreg(device_t dev, int phy, int reg) 383{ 384 struct msk_if_softc *sc_if; 385 386 if (phy != PHY_ADDR_MARV) 387 return (0); 388 389 sc_if = device_get_softc(dev); 390 391 return (msk_phy_readreg(sc_if, phy, reg)); 392} 393 394static int 395msk_phy_readreg(struct msk_if_softc *sc_if, int phy, int reg) 396{ 397 struct msk_softc *sc; 398 int i, val; 399 400 sc = sc_if->msk_softc; 401 402 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL, 403 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg) | GM_SMI_CT_OP_RD); 404 405 for (i = 0; i < MSK_TIMEOUT; i++) { 406 DELAY(1); 407 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL); 408 if ((val & GM_SMI_CT_RD_VAL) != 0) { 409 val = GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_DATA); 410 break; 411 } 412 } 413 414 if (i == MSK_TIMEOUT) { 415 if_printf(sc_if->msk_ifp, "phy failed to come ready\n"); 416 val = 0; 417 } 418 419 return (val); 420} 421 422static int 423msk_miibus_writereg(device_t dev, int phy, int reg, int val) 424{ 425 struct msk_if_softc *sc_if; 426 427 if (phy != PHY_ADDR_MARV) 428 return (0); 429 430 sc_if = device_get_softc(dev); 431 432 return (msk_phy_writereg(sc_if, phy, reg, val)); 433} 434 435static int 436msk_phy_writereg(struct msk_if_softc *sc_if, int phy, int reg, int val) 437{ 438 struct msk_softc *sc; 439 int i; 440 441 sc = sc_if->msk_softc; 442 443 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_DATA, val); 444 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SMI_CTRL, 445 GM_SMI_CT_PHY_AD(phy) | GM_SMI_CT_REG_AD(reg)); 446 for (i = 0; i < MSK_TIMEOUT; i++) { 447 DELAY(1); 448 if ((GMAC_READ_2(sc, sc_if->msk_port, GM_SMI_CTRL) & 449 GM_SMI_CT_BUSY) == 0) 450 break; 451 } 452 if (i == MSK_TIMEOUT) 453 if_printf(sc_if->msk_ifp, "phy write timeout\n"); 454 455 return (0); 456} 457 458static void 459msk_miibus_statchg(device_t dev) 460{ 461 struct msk_softc *sc; 462 struct msk_if_softc *sc_if; 463 struct mii_data *mii; 464 struct ifnet *ifp; 465 uint32_t gmac; 466 467 sc_if = device_get_softc(dev); 468 sc = sc_if->msk_softc; 469 470 MSK_IF_LOCK(sc_if); 471 472 mii = device_get_softc(sc_if->msk_miibus); 473 ifp = sc_if->msk_ifp; 474 if (mii == NULL || ifp == NULL || 475 (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 476 return; 477 478 if (mii->mii_media_status & IFM_ACTIVE) { 479 if (IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) 480 sc_if->msk_flags |= MSK_FLAG_LINK; 481 } else 482 sc_if->msk_flags &= ~MSK_FLAG_LINK; 483 484 if ((sc_if->msk_flags & MSK_FLAG_LINK) != 0) { 485 /* Enable Tx FIFO Underrun. */ 486 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 487 GM_IS_TX_FF_UR | GM_IS_RX_FF_OR); 488 /* 489 * Because mii(4) notify msk(4) that it detected link status 490 * change, there is no need to enable automatic 491 * speed/flow-control/duplex updates. 492 */ 493 gmac = GM_GPCR_AU_ALL_DIS; 494 switch (IFM_SUBTYPE(mii->mii_media_active)) { 495 case IFM_1000_SX: 496 case IFM_1000_T: 497 gmac |= GM_GPCR_SPEED_1000; 498 break; 499 case IFM_100_TX: 500 gmac |= GM_GPCR_SPEED_100; 501 break; 502 case IFM_10_T: 503 break; 504 } 505 506 if (((mii->mii_media_active & IFM_GMASK) & IFM_FDX) != 0) 507 gmac |= GM_GPCR_DUP_FULL; 508 /* Disable Rx flow control. */ 509 if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG0) == 0) 510 gmac |= GM_GPCR_FC_RX_DIS; 511 /* Disable Tx flow control. */ 512 if (((mii->mii_media_active & IFM_GMASK) & IFM_FLAG1) == 0) 513 gmac |= GM_GPCR_FC_TX_DIS; 514 gmac |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA; 515 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); 516 /* Read again to ensure writing. */ 517 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 518 519 gmac = GMC_PAUSE_ON; 520 if (((mii->mii_media_active & IFM_GMASK) & 521 (IFM_FLAG0 | IFM_FLAG1)) == 0) 522 gmac = GMC_PAUSE_OFF; 523 /* Diable pause for 10/100 Mbps in half-duplex mode. */ 524 if ((((mii->mii_media_active & IFM_GMASK) & IFM_FDX) == 0) && 525 (IFM_SUBTYPE(mii->mii_media_active) == IFM_100_TX || 526 IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T)) 527 gmac = GMC_PAUSE_OFF; 528 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), gmac); 529 530 /* Enable PHY interrupt for FIFO underrun/overflow. */ 531 msk_phy_writereg(sc_if, PHY_ADDR_MARV, 532 PHY_MARV_INT_MASK, PHY_M_IS_FIFO_ERROR); 533 } else { 534 /* 535 * Link state changed to down. 536 * Disable PHY interrupts. 537 */ 538 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0); 539 /* Disable Rx/Tx MAC. */ 540 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 541 gmac &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); 542 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); 543 /* Read again to ensure writing. */ 544 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 545 } 546} 547 548static void 549msk_rxfilter(struct msk_if_softc *sc_if) 550{ 551 struct msk_softc *sc; 552 struct ifnet *ifp; 553 struct ifmultiaddr *ifma; 554 uint32_t mchash[2]; 555 uint32_t crc; 556 uint16_t mode; 557 558 sc = sc_if->msk_softc; 559 560 MSK_IF_LOCK_ASSERT(sc_if); 561 562 ifp = sc_if->msk_ifp; 563 564 bzero(mchash, sizeof(mchash)); 565 mode = GMAC_READ_2(sc, sc_if->msk_port, GM_RX_CTRL); 566 if ((ifp->if_flags & IFF_PROMISC) != 0) 567 mode &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA); 568 else if ((ifp->if_flags & IFF_ALLMULTI) != 0) { 569 mode |= GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA; 570 mchash[0] = 0xffff; 571 mchash[1] = 0xffff; 572 } else { 573 mode |= GM_RXCR_UCF_ENA; 574 IF_ADDR_LOCK(ifp); 575 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 576 if (ifma->ifma_addr->sa_family != AF_LINK) 577 continue; 578 crc = ether_crc32_be(LLADDR((struct sockaddr_dl *) 579 ifma->ifma_addr), ETHER_ADDR_LEN); 580 /* Just want the 6 least significant bits. */ 581 crc &= 0x3f; 582 /* Set the corresponding bit in the hash table. */ 583 mchash[crc >> 5] |= 1 << (crc & 0x1f); 584 } 585 IF_ADDR_UNLOCK(ifp); 586 if (mchash[0] != 0 || mchash[1] != 0) 587 mode |= GM_RXCR_MCF_ENA; 588 } 589 590 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H1, 591 mchash[0] & 0xffff); 592 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H2, 593 (mchash[0] >> 16) & 0xffff); 594 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H3, 595 mchash[1] & 0xffff); 596 GMAC_WRITE_2(sc, sc_if->msk_port, GM_MC_ADDR_H4, 597 (mchash[1] >> 16) & 0xffff); 598 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, mode); 599} 600 601static void 602msk_setvlan(struct msk_if_softc *sc_if, struct ifnet *ifp) 603{ 604 struct msk_softc *sc; 605 606 sc = sc_if->msk_softc; 607 if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { 608 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 609 RX_VLAN_STRIP_ON); 610 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 611 TX_VLAN_TAG_ON); 612 } else { 613 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 614 RX_VLAN_STRIP_OFF); 615 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 616 TX_VLAN_TAG_OFF); 617 } 618} 619 620static int 621msk_init_rx_ring(struct msk_if_softc *sc_if) 622{ 623 struct msk_ring_data *rd; 624 struct msk_rxdesc *rxd; 625 int i, prod; 626 627 MSK_IF_LOCK_ASSERT(sc_if); 628 629 sc_if->msk_cdata.msk_rx_cons = 0; 630 sc_if->msk_cdata.msk_rx_prod = 0; 631 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM; 632 633 rd = &sc_if->msk_rdata; 634 bzero(rd->msk_rx_ring, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT); 635 prod = sc_if->msk_cdata.msk_rx_prod; 636 for (i = 0; i < MSK_RX_RING_CNT; i++) { 637 rxd = &sc_if->msk_cdata.msk_rxdesc[prod]; 638 rxd->rx_m = NULL; 639 rxd->rx_le = &rd->msk_rx_ring[prod]; 640 if (msk_newbuf(sc_if, prod) != 0) 641 return (ENOBUFS); 642 MSK_INC(prod, MSK_RX_RING_CNT); 643 } 644 645 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_ring_tag, 646 sc_if->msk_cdata.msk_rx_ring_map, 647 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 648 649 /* Update prefetch unit. */ 650 sc_if->msk_cdata.msk_rx_prod = MSK_RX_RING_CNT - 1; 651 CSR_WRITE_2(sc_if->msk_softc, 652 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG), 653 sc_if->msk_cdata.msk_rx_prod); 654 655 return (0); 656} 657 658static int 659msk_init_jumbo_rx_ring(struct msk_if_softc *sc_if) 660{ 661 struct msk_ring_data *rd; 662 struct msk_rxdesc *rxd; 663 int i, prod; 664 665 MSK_IF_LOCK_ASSERT(sc_if); 666 667 sc_if->msk_cdata.msk_rx_cons = 0; 668 sc_if->msk_cdata.msk_rx_prod = 0; 669 sc_if->msk_cdata.msk_rx_putwm = MSK_PUT_WM; 670 671 rd = &sc_if->msk_rdata; 672 bzero(rd->msk_jumbo_rx_ring, 673 sizeof(struct msk_rx_desc) * MSK_JUMBO_RX_RING_CNT); 674 prod = sc_if->msk_cdata.msk_rx_prod; 675 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 676 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[prod]; 677 rxd->rx_m = NULL; 678 rxd->rx_le = &rd->msk_jumbo_rx_ring[prod]; 679 if (msk_jumbo_newbuf(sc_if, prod) != 0) 680 return (ENOBUFS); 681 MSK_INC(prod, MSK_JUMBO_RX_RING_CNT); 682 } 683 684 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 685 sc_if->msk_cdata.msk_jumbo_rx_ring_map, 686 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 687 688 sc_if->msk_cdata.msk_rx_prod = MSK_JUMBO_RX_RING_CNT - 1; 689 CSR_WRITE_2(sc_if->msk_softc, 690 Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_PUT_IDX_REG), 691 sc_if->msk_cdata.msk_rx_prod); 692 693 return (0); 694} 695 696static void 697msk_init_tx_ring(struct msk_if_softc *sc_if) 698{ 699 struct msk_ring_data *rd; 700 struct msk_txdesc *txd; 701 int i; 702 703 sc_if->msk_cdata.msk_tso_mtu = 0; 704 sc_if->msk_cdata.msk_tx_prod = 0; 705 sc_if->msk_cdata.msk_tx_cons = 0; 706 sc_if->msk_cdata.msk_tx_cnt = 0; 707 708 rd = &sc_if->msk_rdata; 709 bzero(rd->msk_tx_ring, sizeof(struct msk_tx_desc) * MSK_TX_RING_CNT); 710 for (i = 0; i < MSK_TX_RING_CNT; i++) { 711 txd = &sc_if->msk_cdata.msk_txdesc[i]; 712 txd->tx_m = NULL; 713 txd->tx_le = &rd->msk_tx_ring[i]; 714 } 715 716 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, 717 sc_if->msk_cdata.msk_tx_ring_map, 718 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 719} 720 721static __inline void 722msk_discard_rxbuf(struct msk_if_softc *sc_if, int idx) 723{ 724 struct msk_rx_desc *rx_le; 725 struct msk_rxdesc *rxd; 726 struct mbuf *m; 727 728 rxd = &sc_if->msk_cdata.msk_rxdesc[idx]; 729 m = rxd->rx_m; 730 rx_le = rxd->rx_le; 731 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER); 732} 733 734static __inline void 735msk_discard_jumbo_rxbuf(struct msk_if_softc *sc_if, int idx) 736{ 737 struct msk_rx_desc *rx_le; 738 struct msk_rxdesc *rxd; 739 struct mbuf *m; 740 741 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx]; 742 m = rxd->rx_m; 743 rx_le = rxd->rx_le; 744 rx_le->msk_control = htole32(m->m_len | OP_PACKET | HW_OWNER); 745} 746 747static int 748msk_newbuf(struct msk_if_softc *sc_if, int idx) 749{ 750 struct msk_rx_desc *rx_le; 751 struct msk_rxdesc *rxd; 752 struct mbuf *m; 753 bus_dma_segment_t segs[1]; 754 bus_dmamap_t map; 755 int nsegs; 756 757 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 758 if (m == NULL) 759 return (ENOBUFS); 760 761 m->m_len = m->m_pkthdr.len = MCLBYTES; 762 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) 763 m_adj(m, ETHER_ALIGN); 764#ifndef __NO_STRICT_ALIGNMENT 765 else 766 m_adj(m, MSK_RX_BUF_ALIGN); 767#endif 768 769 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_rx_tag, 770 sc_if->msk_cdata.msk_rx_sparemap, m, segs, &nsegs, 771 BUS_DMA_NOWAIT) != 0) { 772 m_freem(m); 773 return (ENOBUFS); 774 } 775 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs)); 776 777 rxd = &sc_if->msk_cdata.msk_rxdesc[idx]; 778 if (rxd->rx_m != NULL) { 779 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap, 780 BUS_DMASYNC_POSTREAD); 781 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap); 782 } 783 map = rxd->rx_dmamap; 784 rxd->rx_dmamap = sc_if->msk_cdata.msk_rx_sparemap; 785 sc_if->msk_cdata.msk_rx_sparemap = map; 786 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, rxd->rx_dmamap, 787 BUS_DMASYNC_PREREAD); 788 rxd->rx_m = m; 789 rx_le = rxd->rx_le; 790 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr)); 791 rx_le->msk_control = 792 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER); 793 794 return (0); 795} 796 797static int 798msk_jumbo_newbuf(struct msk_if_softc *sc_if, int idx) 799{ 800 struct msk_rx_desc *rx_le; 801 struct msk_rxdesc *rxd; 802 struct mbuf *m; 803 bus_dma_segment_t segs[1]; 804 bus_dmamap_t map; 805 int nsegs; 806 807 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUM9BYTES); 808 if (m == NULL) 809 return (ENOBUFS); 810 if ((m->m_flags & M_EXT) == 0) { 811 m_freem(m); 812 return (ENOBUFS); 813 } 814 m->m_len = m->m_pkthdr.len = MJUM9BYTES; 815 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) 816 m_adj(m, ETHER_ALIGN); 817#ifndef __NO_STRICT_ALIGNMENT 818 else 819 m_adj(m, MSK_RX_BUF_ALIGN); 820#endif 821 822 if (bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_jumbo_rx_tag, 823 sc_if->msk_cdata.msk_jumbo_rx_sparemap, m, segs, &nsegs, 824 BUS_DMA_NOWAIT) != 0) { 825 m_freem(m); 826 return (ENOBUFS); 827 } 828 KASSERT(nsegs == 1, ("%s: %d segments returned!", __func__, nsegs)); 829 830 rxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[idx]; 831 if (rxd->rx_m != NULL) { 832 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, 833 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD); 834 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag, 835 rxd->rx_dmamap); 836 } 837 map = rxd->rx_dmamap; 838 rxd->rx_dmamap = sc_if->msk_cdata.msk_jumbo_rx_sparemap; 839 sc_if->msk_cdata.msk_jumbo_rx_sparemap = map; 840 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, rxd->rx_dmamap, 841 BUS_DMASYNC_PREREAD); 842 rxd->rx_m = m; 843 rx_le = rxd->rx_le; 844 rx_le->msk_addr = htole32(MSK_ADDR_LO(segs[0].ds_addr)); 845 rx_le->msk_control = 846 htole32(segs[0].ds_len | OP_PACKET | HW_OWNER); 847 848 return (0); 849} 850 851/* 852 * Set media options. 853 */ 854static int 855msk_mediachange(struct ifnet *ifp) 856{ 857 struct msk_if_softc *sc_if; 858 struct mii_data *mii; 859 int error; 860 861 sc_if = ifp->if_softc; 862 863 MSK_IF_LOCK(sc_if); 864 mii = device_get_softc(sc_if->msk_miibus); 865 error = mii_mediachg(mii); 866 MSK_IF_UNLOCK(sc_if); 867 868 return (error); 869} 870 871/* 872 * Report current media status. 873 */ 874static void 875msk_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr) 876{ 877 struct msk_if_softc *sc_if; 878 struct mii_data *mii; 879 880 sc_if = ifp->if_softc; 881 MSK_IF_LOCK(sc_if); 882 mii = device_get_softc(sc_if->msk_miibus); 883 884 mii_pollstat(mii); 885 MSK_IF_UNLOCK(sc_if); 886 ifmr->ifm_active = mii->mii_media_active; 887 ifmr->ifm_status = mii->mii_media_status; 888} 889 890static int 891msk_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 892{ 893 struct msk_if_softc *sc_if; 894 struct ifreq *ifr; 895 struct mii_data *mii; 896 int error, mask; 897 898 sc_if = ifp->if_softc; 899 ifr = (struct ifreq *)data; 900 error = 0; 901 902 switch(command) { 903 case SIOCSIFMTU:
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| 904 MSK_IF_LOCK(sc_if);
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904 if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN) 905 error = EINVAL; 906 else if (ifp->if_mtu != ifr->ifr_mtu) {
| 905 if (ifr->ifr_mtu > MSK_JUMBO_MTU || ifr->ifr_mtu < ETHERMIN) 906 error = EINVAL; 907 else if (ifp->if_mtu != ifr->ifr_mtu) {
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907 if ((sc_if->msk_flags & MSK_FLAG_NOJUMBO) != 0 && 908 ifr->ifr_mtu > ETHERMTU) 909 error = EINVAL; 910 else { 911 MSK_IF_LOCK(sc_if); 912 ifp->if_mtu = ifr->ifr_mtu; 913 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 914 msk_init_locked(sc_if); 915 MSK_IF_UNLOCK(sc_if);
| 908 if (ifr->ifr_mtu > ETHERMTU) { 909 if ((sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) { 910 error = EINVAL; 911 MSK_IF_UNLOCK(sc_if); 912 break; 913 } 914 if ((sc_if->msk_flags & 915 MSK_FLAG_JUMBO_NOCSUM) != 0) { 916 ifp->if_hwassist &= 917 ~(MSK_CSUM_FEATURES | CSUM_TSO); 918 ifp->if_capenable &= 919 ~(IFCAP_TSO4 | IFCAP_TXCSUM); 920 VLAN_CAPABILITIES(ifp); 921 }
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916 }
| 922 }
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| 923 ifp->if_mtu = ifr->ifr_mtu; 924 msk_init_locked(sc_if);
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917 }
| 925 }
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| 926 MSK_IF_UNLOCK(sc_if);
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918 break; 919 case SIOCSIFFLAGS: 920 MSK_IF_LOCK(sc_if); 921 if ((ifp->if_flags & IFF_UP) != 0) { 922 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) { 923 if (((ifp->if_flags ^ sc_if->msk_if_flags) 924 & (IFF_PROMISC | IFF_ALLMULTI)) != 0) 925 msk_rxfilter(sc_if); 926 } else { 927 if ((sc_if->msk_flags & MSK_FLAG_DETACH) == 0) 928 msk_init_locked(sc_if); 929 } 930 } else { 931 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 932 msk_stop(sc_if); 933 } 934 sc_if->msk_if_flags = ifp->if_flags; 935 MSK_IF_UNLOCK(sc_if); 936 break; 937 case SIOCADDMULTI: 938 case SIOCDELMULTI: 939 MSK_IF_LOCK(sc_if); 940 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 941 msk_rxfilter(sc_if); 942 MSK_IF_UNLOCK(sc_if); 943 break; 944 case SIOCGIFMEDIA: 945 case SIOCSIFMEDIA: 946 mii = device_get_softc(sc_if->msk_miibus); 947 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); 948 break; 949 case SIOCSIFCAP: 950 MSK_IF_LOCK(sc_if); 951 mask = ifr->ifr_reqcap ^ ifp->if_capenable; 952 if ((mask & IFCAP_TXCSUM) != 0) { 953 ifp->if_capenable ^= IFCAP_TXCSUM; 954 if ((IFCAP_TXCSUM & ifp->if_capenable) != 0 && 955 (IFCAP_TXCSUM & ifp->if_capabilities) != 0) 956 ifp->if_hwassist |= MSK_CSUM_FEATURES; 957 else 958 ifp->if_hwassist &= ~MSK_CSUM_FEATURES; 959 } 960 if ((mask & IFCAP_VLAN_HWTAGGING) != 0) { 961 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 962 msk_setvlan(sc_if, ifp); 963 } 964 965 if ((mask & IFCAP_TSO4) != 0) { 966 ifp->if_capenable ^= IFCAP_TSO4; 967 if ((IFCAP_TSO4 & ifp->if_capenable) != 0 && 968 (IFCAP_TSO4 & ifp->if_capabilities) != 0) 969 ifp->if_hwassist |= CSUM_TSO; 970 else 971 ifp->if_hwassist &= ~CSUM_TSO; 972 } 973 if (ifp->if_mtu > ETHERMTU &&
| 927 break; 928 case SIOCSIFFLAGS: 929 MSK_IF_LOCK(sc_if); 930 if ((ifp->if_flags & IFF_UP) != 0) { 931 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) { 932 if (((ifp->if_flags ^ sc_if->msk_if_flags) 933 & (IFF_PROMISC | IFF_ALLMULTI)) != 0) 934 msk_rxfilter(sc_if); 935 } else { 936 if ((sc_if->msk_flags & MSK_FLAG_DETACH) == 0) 937 msk_init_locked(sc_if); 938 } 939 } else { 940 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 941 msk_stop(sc_if); 942 } 943 sc_if->msk_if_flags = ifp->if_flags; 944 MSK_IF_UNLOCK(sc_if); 945 break; 946 case SIOCADDMULTI: 947 case SIOCDELMULTI: 948 MSK_IF_LOCK(sc_if); 949 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) 950 msk_rxfilter(sc_if); 951 MSK_IF_UNLOCK(sc_if); 952 break; 953 case SIOCGIFMEDIA: 954 case SIOCSIFMEDIA: 955 mii = device_get_softc(sc_if->msk_miibus); 956 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); 957 break; 958 case SIOCSIFCAP: 959 MSK_IF_LOCK(sc_if); 960 mask = ifr->ifr_reqcap ^ ifp->if_capenable; 961 if ((mask & IFCAP_TXCSUM) != 0) { 962 ifp->if_capenable ^= IFCAP_TXCSUM; 963 if ((IFCAP_TXCSUM & ifp->if_capenable) != 0 && 964 (IFCAP_TXCSUM & ifp->if_capabilities) != 0) 965 ifp->if_hwassist |= MSK_CSUM_FEATURES; 966 else 967 ifp->if_hwassist &= ~MSK_CSUM_FEATURES; 968 } 969 if ((mask & IFCAP_VLAN_HWTAGGING) != 0) { 970 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 971 msk_setvlan(sc_if, ifp); 972 } 973 974 if ((mask & IFCAP_TSO4) != 0) { 975 ifp->if_capenable ^= IFCAP_TSO4; 976 if ((IFCAP_TSO4 & ifp->if_capenable) != 0 && 977 (IFCAP_TSO4 & ifp->if_capabilities) != 0) 978 ifp->if_hwassist |= CSUM_TSO; 979 else 980 ifp->if_hwassist &= ~CSUM_TSO; 981 } 982 if (ifp->if_mtu > ETHERMTU &&
|
974 sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_EC_U) { 975 /* 976 * In Yukon EC Ultra, TSO & checksum offload is not 977 * supported for jumbo frame. 978 */
| 983 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
|
979 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO); 980 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM); 981 } 982 983 VLAN_CAPABILITIES(ifp); 984 MSK_IF_UNLOCK(sc_if); 985 break; 986 default: 987 error = ether_ioctl(ifp, command, data); 988 break; 989 } 990 991 return (error); 992} 993 994static int 995mskc_probe(device_t dev) 996{ 997 struct msk_product *mp; 998 uint16_t vendor, devid; 999 int i; 1000 1001 vendor = pci_get_vendor(dev); 1002 devid = pci_get_device(dev); 1003 mp = msk_products; 1004 for (i = 0; i < sizeof(msk_products)/sizeof(msk_products[0]); 1005 i++, mp++) { 1006 if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) { 1007 device_set_desc(dev, mp->msk_name); 1008 return (BUS_PROBE_DEFAULT); 1009 } 1010 } 1011 1012 return (ENXIO); 1013} 1014 1015static int 1016mskc_setup_rambuffer(struct msk_softc *sc) 1017{ 1018 int next; 1019 int i; 1020 1021 /* Get adapter SRAM size. */ 1022 sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4; 1023 if (bootverbose) 1024 device_printf(sc->msk_dev, 1025 "RAM buffer size : %dKB\n", sc->msk_ramsize); 1026 if (sc->msk_ramsize == 0) 1027 return (0); 1028 1029 sc->msk_pflags |= MSK_FLAG_RAMBUF; 1030 /* 1031 * Give receiver 2/3 of memory and round down to the multiple 1032 * of 1024. Tx/Rx RAM buffer size of Yukon II shoud be multiple 1033 * of 1024. 1034 */ 1035 sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024); 1036 sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize; 1037 for (i = 0, next = 0; i < sc->msk_num_port; i++) { 1038 sc->msk_rxqstart[i] = next; 1039 sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1; 1040 next = sc->msk_rxqend[i] + 1; 1041 sc->msk_txqstart[i] = next; 1042 sc->msk_txqend[i] = next + sc->msk_txqsize - 1; 1043 next = sc->msk_txqend[i] + 1; 1044 if (bootverbose) { 1045 device_printf(sc->msk_dev, 1046 "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i, 1047 sc->msk_rxqsize / 1024, sc->msk_rxqstart[i], 1048 sc->msk_rxqend[i]); 1049 device_printf(sc->msk_dev, 1050 "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i, 1051 sc->msk_txqsize / 1024, sc->msk_txqstart[i], 1052 sc->msk_txqend[i]); 1053 } 1054 } 1055 1056 return (0); 1057} 1058 1059static void 1060msk_phy_power(struct msk_softc *sc, int mode) 1061{ 1062 uint32_t val; 1063 int i; 1064 1065 switch (mode) { 1066 case MSK_PHY_POWERUP: 1067 /* Switch power to VCC (WA for VAUX problem). */ 1068 CSR_WRITE_1(sc, B0_POWER_CTRL, 1069 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); 1070 /* Disable Core Clock Division, set Clock Select to 0. */ 1071 CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); 1072 1073 val = 0; 1074 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1075 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1076 /* Enable bits are inverted. */ 1077 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | 1078 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | 1079 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS; 1080 } 1081 /* 1082 * Enable PCI & Core Clock, enable clock gating for both Links. 1083 */ 1084 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val); 1085 1086 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); 1087 val &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); 1088 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1089 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1090 /* Deassert Low Power for 1st PHY. */ 1091 val |= PCI_Y2_PHY1_COMA; 1092 if (sc->msk_num_port > 1) 1093 val |= PCI_Y2_PHY2_COMA; 1094 } else if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U) { 1095 uint32_t our; 1096 1097 CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON); 1098 1099 /* Enable all clocks. */ 1100 pci_write_config(sc->msk_dev, PCI_OUR_REG_3, 0, 4); 1101 our = pci_read_config(sc->msk_dev, PCI_OUR_REG_4, 4); 1102 our &= (PCI_FORCE_ASPM_REQUEST|PCI_ASPM_GPHY_LINK_DOWN| 1103 PCI_ASPM_INT_FIFO_EMPTY|PCI_ASPM_CLKRUN_REQUEST); 1104 /* Set all bits to 0 except bits 15..12. */ 1105 pci_write_config(sc->msk_dev, PCI_OUR_REG_4, our, 4); 1106 /* Set to default value. */ 1107 pci_write_config(sc->msk_dev, PCI_OUR_REG_5, 0, 4); 1108 } 1109 /* Release PHY from PowerDown/COMA mode. */ 1110 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); 1111 for (i = 0; i < sc->msk_num_port; i++) { 1112 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL), 1113 GMLC_RST_SET); 1114 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL), 1115 GMLC_RST_CLR); 1116 } 1117 break; 1118 case MSK_PHY_POWERDOWN: 1119 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); 1120 val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD; 1121 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1122 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1123 val &= ~PCI_Y2_PHY1_COMA; 1124 if (sc->msk_num_port > 1) 1125 val &= ~PCI_Y2_PHY2_COMA; 1126 } 1127 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); 1128 1129 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | 1130 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | 1131 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS; 1132 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1133 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1134 /* Enable bits are inverted. */ 1135 val = 0; 1136 } 1137 /* 1138 * Disable PCI & Core Clock, disable clock gating for 1139 * both Links. 1140 */ 1141 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val); 1142 CSR_WRITE_1(sc, B0_POWER_CTRL, 1143 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF); 1144 break; 1145 default: 1146 break; 1147 } 1148} 1149 1150static void 1151mskc_reset(struct msk_softc *sc) 1152{ 1153 bus_addr_t addr; 1154 uint16_t status; 1155 uint32_t val; 1156 int i; 1157 1158 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1159 1160 /* Disable ASF. */ 1161 if (sc->msk_hw_id < CHIP_ID_YUKON_XL) { 1162 CSR_WRITE_4(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); 1163 CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE); 1164 } 1165 /* 1166 * Since we disabled ASF, S/W reset is required for Power Management. 1167 */ 1168 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 1169 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1170 1171 /* Clear all error bits in the PCI status register. */ 1172 status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2); 1173 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 1174 1175 pci_write_config(sc->msk_dev, PCIR_STATUS, status | 1176 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT | 1177 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2); 1178 CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR); 1179 1180 switch (sc->msk_bustype) { 1181 case MSK_PEX_BUS: 1182 /* Clear all PEX errors. */ 1183 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff); 1184 val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT); 1185 if ((val & PEX_RX_OV) != 0) { 1186 sc->msk_intrmask &= ~Y2_IS_HW_ERR; 1187 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP; 1188 } 1189 break; 1190 case MSK_PCI_BUS: 1191 case MSK_PCIX_BUS: 1192 /* Set Cache Line Size to 2(8bytes) if configured to 0. */ 1193 val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1); 1194 if (val == 0) 1195 pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1); 1196 if (sc->msk_bustype == MSK_PCIX_BUS) { 1197 /* Set Cache Line Size opt. */ 1198 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); 1199 val |= PCI_CLS_OPT; 1200 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); 1201 } 1202 break; 1203 } 1204 /* Set PHY power state. */ 1205 msk_phy_power(sc, MSK_PHY_POWERUP); 1206 1207 /* Reset GPHY/GMAC Control */ 1208 for (i = 0; i < sc->msk_num_port; i++) { 1209 /* GPHY Control reset. */ 1210 CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET); 1211 CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR); 1212 /* GMAC Control reset. */ 1213 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET); 1214 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR); 1215 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF); 1216 } 1217 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 1218 1219 /* LED On. */ 1220 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON); 1221 1222 /* Clear TWSI IRQ. */ 1223 CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ); 1224 1225 /* Turn off hardware timer. */ 1226 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP); 1227 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ); 1228 1229 /* Turn off descriptor polling. */ 1230 CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP); 1231 1232 /* Turn off time stamps. */ 1233 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP); 1234 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); 1235 1236 /* Configure timeout values. */ 1237 for (i = 0; i < sc->msk_num_port; i++) { 1238 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_SET); 1239 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); 1240 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1), 1241 MSK_RI_TO_53); 1242 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1), 1243 MSK_RI_TO_53); 1244 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1), 1245 MSK_RI_TO_53); 1246 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1), 1247 MSK_RI_TO_53); 1248 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1), 1249 MSK_RI_TO_53); 1250 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1), 1251 MSK_RI_TO_53); 1252 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2), 1253 MSK_RI_TO_53); 1254 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2), 1255 MSK_RI_TO_53); 1256 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2), 1257 MSK_RI_TO_53); 1258 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2), 1259 MSK_RI_TO_53); 1260 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2), 1261 MSK_RI_TO_53); 1262 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2), 1263 MSK_RI_TO_53); 1264 } 1265 1266 /* Disable all interrupts. */ 1267 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 1268 CSR_READ_4(sc, B0_HWE_IMSK); 1269 CSR_WRITE_4(sc, B0_IMSK, 0); 1270 CSR_READ_4(sc, B0_IMSK); 1271 1272 /* 1273 * On dual port PCI-X card, there is an problem where status 1274 * can be received out of order due to split transactions. 1275 */ 1276 if (sc->msk_bustype == MSK_PCIX_BUS && sc->msk_num_port > 1) { 1277 int pcix; 1278 uint16_t pcix_cmd; 1279 1280 if (pci_find_extcap(sc->msk_dev, PCIY_PCIX, &pcix) == 0) { 1281 pcix_cmd = pci_read_config(sc->msk_dev, pcix + 2, 2); 1282 /* Clear Max Outstanding Split Transactions. */ 1283 pcix_cmd &= ~0x70; 1284 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 1285 pci_write_config(sc->msk_dev, pcix + 2, pcix_cmd, 2); 1286 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 1287 } 1288 } 1289 if (sc->msk_bustype == MSK_PEX_BUS) { 1290 uint16_t v, width; 1291 1292 v = pci_read_config(sc->msk_dev, PEX_DEV_CTRL, 2); 1293 /* Change Max. Read Request Size to 4096 bytes. */ 1294 v &= ~PEX_DC_MAX_RRS_MSK; 1295 v |= PEX_DC_MAX_RD_RQ_SIZE(5); 1296 pci_write_config(sc->msk_dev, PEX_DEV_CTRL, v, 2); 1297 width = pci_read_config(sc->msk_dev, PEX_LNK_STAT, 2); 1298 width = (width & PEX_LS_LINK_WI_MSK) >> 4; 1299 v = pci_read_config(sc->msk_dev, PEX_LNK_CAP, 2); 1300 v = (v & PEX_LS_LINK_WI_MSK) >> 4; 1301 if (v != width) 1302 device_printf(sc->msk_dev, 1303 "negotiated width of link(x%d) != " 1304 "max. width of link(x%d)\n", width, v); 1305 } 1306 1307 /* Clear status list. */ 1308 bzero(sc->msk_stat_ring, 1309 sizeof(struct msk_stat_desc) * MSK_STAT_RING_CNT); 1310 sc->msk_stat_cons = 0; 1311 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map, 1312 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1313 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET); 1314 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR); 1315 /* Set the status list base address. */ 1316 addr = sc->msk_stat_ring_paddr; 1317 CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr)); 1318 CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr)); 1319 /* Set the status list last index. */ 1320 CSR_WRITE_2(sc, STAT_LAST_IDX, MSK_STAT_RING_CNT - 1); 1321 if (sc->msk_hw_id == CHIP_ID_YUKON_EC && 1322 sc->msk_hw_rev == CHIP_REV_YU_EC_A1) { 1323 /* WA for dev. #4.3 */ 1324 CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK); 1325 /* WA for dev. #4.18 */ 1326 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21); 1327 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07); 1328 } else { 1329 CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a); 1330 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10); 1331 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1332 sc->msk_hw_rev == CHIP_REV_YU_XL_A0) 1333 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04); 1334 else 1335 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10); 1336 CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190); 1337 } 1338 /* 1339 * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI. 1340 */ 1341 CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000)); 1342 1343 /* Enable status unit. */ 1344 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON); 1345 1346 CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START); 1347 CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START); 1348 CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START); 1349} 1350 1351static int 1352msk_probe(device_t dev) 1353{ 1354 struct msk_softc *sc; 1355 char desc[100]; 1356 1357 sc = device_get_softc(device_get_parent(dev)); 1358 /* 1359 * Not much to do here. We always know there will be 1360 * at least one GMAC present, and if there are two, 1361 * mskc_attach() will create a second device instance 1362 * for us. 1363 */ 1364 snprintf(desc, sizeof(desc), 1365 "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x", 1366 model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id, 1367 sc->msk_hw_rev); 1368 device_set_desc_copy(dev, desc); 1369 1370 return (BUS_PROBE_DEFAULT); 1371} 1372 1373static int 1374msk_attach(device_t dev) 1375{ 1376 struct msk_softc *sc; 1377 struct msk_if_softc *sc_if; 1378 struct ifnet *ifp; 1379 int i, port, error; 1380 uint8_t eaddr[6]; 1381 1382 if (dev == NULL) 1383 return (EINVAL); 1384 1385 error = 0; 1386 sc_if = device_get_softc(dev); 1387 sc = device_get_softc(device_get_parent(dev)); 1388 port = *(int *)device_get_ivars(dev); 1389 1390 sc_if->msk_if_dev = dev; 1391 sc_if->msk_port = port; 1392 sc_if->msk_softc = sc; 1393 sc_if->msk_flags = sc->msk_pflags; 1394 sc->msk_if[port] = sc_if; 1395 /* Setup Tx/Rx queue register offsets. */ 1396 if (port == MSK_PORT_A) { 1397 sc_if->msk_txq = Q_XA1; 1398 sc_if->msk_txsq = Q_XS1; 1399 sc_if->msk_rxq = Q_R1; 1400 } else { 1401 sc_if->msk_txq = Q_XA2; 1402 sc_if->msk_txsq = Q_XS2; 1403 sc_if->msk_rxq = Q_R2; 1404 } 1405 1406 callout_init_mtx(&sc_if->msk_tick_ch, &sc_if->msk_softc->msk_mtx, 0); 1407 msk_sysctl_node(sc_if); 1408
| 984 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO); 985 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM); 986 } 987 988 VLAN_CAPABILITIES(ifp); 989 MSK_IF_UNLOCK(sc_if); 990 break; 991 default: 992 error = ether_ioctl(ifp, command, data); 993 break; 994 } 995 996 return (error); 997} 998 999static int 1000mskc_probe(device_t dev) 1001{ 1002 struct msk_product *mp; 1003 uint16_t vendor, devid; 1004 int i; 1005 1006 vendor = pci_get_vendor(dev); 1007 devid = pci_get_device(dev); 1008 mp = msk_products; 1009 for (i = 0; i < sizeof(msk_products)/sizeof(msk_products[0]); 1010 i++, mp++) { 1011 if (vendor == mp->msk_vendorid && devid == mp->msk_deviceid) { 1012 device_set_desc(dev, mp->msk_name); 1013 return (BUS_PROBE_DEFAULT); 1014 } 1015 } 1016 1017 return (ENXIO); 1018} 1019 1020static int 1021mskc_setup_rambuffer(struct msk_softc *sc) 1022{ 1023 int next; 1024 int i; 1025 1026 /* Get adapter SRAM size. */ 1027 sc->msk_ramsize = CSR_READ_1(sc, B2_E_0) * 4; 1028 if (bootverbose) 1029 device_printf(sc->msk_dev, 1030 "RAM buffer size : %dKB\n", sc->msk_ramsize); 1031 if (sc->msk_ramsize == 0) 1032 return (0); 1033 1034 sc->msk_pflags |= MSK_FLAG_RAMBUF; 1035 /* 1036 * Give receiver 2/3 of memory and round down to the multiple 1037 * of 1024. Tx/Rx RAM buffer size of Yukon II shoud be multiple 1038 * of 1024. 1039 */ 1040 sc->msk_rxqsize = rounddown((sc->msk_ramsize * 1024 * 2) / 3, 1024); 1041 sc->msk_txqsize = (sc->msk_ramsize * 1024) - sc->msk_rxqsize; 1042 for (i = 0, next = 0; i < sc->msk_num_port; i++) { 1043 sc->msk_rxqstart[i] = next; 1044 sc->msk_rxqend[i] = next + sc->msk_rxqsize - 1; 1045 next = sc->msk_rxqend[i] + 1; 1046 sc->msk_txqstart[i] = next; 1047 sc->msk_txqend[i] = next + sc->msk_txqsize - 1; 1048 next = sc->msk_txqend[i] + 1; 1049 if (bootverbose) { 1050 device_printf(sc->msk_dev, 1051 "Port %d : Rx Queue %dKB(0x%08x:0x%08x)\n", i, 1052 sc->msk_rxqsize / 1024, sc->msk_rxqstart[i], 1053 sc->msk_rxqend[i]); 1054 device_printf(sc->msk_dev, 1055 "Port %d : Tx Queue %dKB(0x%08x:0x%08x)\n", i, 1056 sc->msk_txqsize / 1024, sc->msk_txqstart[i], 1057 sc->msk_txqend[i]); 1058 } 1059 } 1060 1061 return (0); 1062} 1063 1064static void 1065msk_phy_power(struct msk_softc *sc, int mode) 1066{ 1067 uint32_t val; 1068 int i; 1069 1070 switch (mode) { 1071 case MSK_PHY_POWERUP: 1072 /* Switch power to VCC (WA for VAUX problem). */ 1073 CSR_WRITE_1(sc, B0_POWER_CTRL, 1074 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); 1075 /* Disable Core Clock Division, set Clock Select to 0. */ 1076 CSR_WRITE_4(sc, B2_Y2_CLK_CTRL, Y2_CLK_DIV_DIS); 1077 1078 val = 0; 1079 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1080 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1081 /* Enable bits are inverted. */ 1082 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | 1083 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | 1084 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS; 1085 } 1086 /* 1087 * Enable PCI & Core Clock, enable clock gating for both Links. 1088 */ 1089 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val); 1090 1091 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); 1092 val &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); 1093 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1094 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1095 /* Deassert Low Power for 1st PHY. */ 1096 val |= PCI_Y2_PHY1_COMA; 1097 if (sc->msk_num_port > 1) 1098 val |= PCI_Y2_PHY2_COMA; 1099 } else if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U) { 1100 uint32_t our; 1101 1102 CSR_WRITE_2(sc, B0_CTST, Y2_HW_WOL_ON); 1103 1104 /* Enable all clocks. */ 1105 pci_write_config(sc->msk_dev, PCI_OUR_REG_3, 0, 4); 1106 our = pci_read_config(sc->msk_dev, PCI_OUR_REG_4, 4); 1107 our &= (PCI_FORCE_ASPM_REQUEST|PCI_ASPM_GPHY_LINK_DOWN| 1108 PCI_ASPM_INT_FIFO_EMPTY|PCI_ASPM_CLKRUN_REQUEST); 1109 /* Set all bits to 0 except bits 15..12. */ 1110 pci_write_config(sc->msk_dev, PCI_OUR_REG_4, our, 4); 1111 /* Set to default value. */ 1112 pci_write_config(sc->msk_dev, PCI_OUR_REG_5, 0, 4); 1113 } 1114 /* Release PHY from PowerDown/COMA mode. */ 1115 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); 1116 for (i = 0; i < sc->msk_num_port; i++) { 1117 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL), 1118 GMLC_RST_SET); 1119 CSR_WRITE_2(sc, MR_ADDR(i, GMAC_LINK_CTRL), 1120 GMLC_RST_CLR); 1121 } 1122 break; 1123 case MSK_PHY_POWERDOWN: 1124 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); 1125 val |= PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD; 1126 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1127 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1128 val &= ~PCI_Y2_PHY1_COMA; 1129 if (sc->msk_num_port > 1) 1130 val &= ~PCI_Y2_PHY2_COMA; 1131 } 1132 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); 1133 1134 val = Y2_PCI_CLK_LNK1_DIS | Y2_COR_CLK_LNK1_DIS | 1135 Y2_CLK_GAT_LNK1_DIS | Y2_PCI_CLK_LNK2_DIS | 1136 Y2_COR_CLK_LNK2_DIS | Y2_CLK_GAT_LNK2_DIS; 1137 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1138 sc->msk_hw_rev > CHIP_REV_YU_XL_A1) { 1139 /* Enable bits are inverted. */ 1140 val = 0; 1141 } 1142 /* 1143 * Disable PCI & Core Clock, disable clock gating for 1144 * both Links. 1145 */ 1146 CSR_WRITE_1(sc, B2_Y2_CLK_GATE, val); 1147 CSR_WRITE_1(sc, B0_POWER_CTRL, 1148 PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF); 1149 break; 1150 default: 1151 break; 1152 } 1153} 1154 1155static void 1156mskc_reset(struct msk_softc *sc) 1157{ 1158 bus_addr_t addr; 1159 uint16_t status; 1160 uint32_t val; 1161 int i; 1162 1163 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1164 1165 /* Disable ASF. */ 1166 if (sc->msk_hw_id < CHIP_ID_YUKON_XL) { 1167 CSR_WRITE_4(sc, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET); 1168 CSR_WRITE_2(sc, B0_CTST, Y2_ASF_DISABLE); 1169 } 1170 /* 1171 * Since we disabled ASF, S/W reset is required for Power Management. 1172 */ 1173 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 1174 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1175 1176 /* Clear all error bits in the PCI status register. */ 1177 status = pci_read_config(sc->msk_dev, PCIR_STATUS, 2); 1178 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 1179 1180 pci_write_config(sc->msk_dev, PCIR_STATUS, status | 1181 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT | 1182 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2); 1183 CSR_WRITE_2(sc, B0_CTST, CS_MRST_CLR); 1184 1185 switch (sc->msk_bustype) { 1186 case MSK_PEX_BUS: 1187 /* Clear all PEX errors. */ 1188 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff); 1189 val = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT); 1190 if ((val & PEX_RX_OV) != 0) { 1191 sc->msk_intrmask &= ~Y2_IS_HW_ERR; 1192 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP; 1193 } 1194 break; 1195 case MSK_PCI_BUS: 1196 case MSK_PCIX_BUS: 1197 /* Set Cache Line Size to 2(8bytes) if configured to 0. */ 1198 val = pci_read_config(sc->msk_dev, PCIR_CACHELNSZ, 1); 1199 if (val == 0) 1200 pci_write_config(sc->msk_dev, PCIR_CACHELNSZ, 2, 1); 1201 if (sc->msk_bustype == MSK_PCIX_BUS) { 1202 /* Set Cache Line Size opt. */ 1203 val = pci_read_config(sc->msk_dev, PCI_OUR_REG_1, 4); 1204 val |= PCI_CLS_OPT; 1205 pci_write_config(sc->msk_dev, PCI_OUR_REG_1, val, 4); 1206 } 1207 break; 1208 } 1209 /* Set PHY power state. */ 1210 msk_phy_power(sc, MSK_PHY_POWERUP); 1211 1212 /* Reset GPHY/GMAC Control */ 1213 for (i = 0; i < sc->msk_num_port; i++) { 1214 /* GPHY Control reset. */ 1215 CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_SET); 1216 CSR_WRITE_4(sc, MR_ADDR(i, GPHY_CTRL), GPC_RST_CLR); 1217 /* GMAC Control reset. */ 1218 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_SET); 1219 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_RST_CLR); 1220 CSR_WRITE_4(sc, MR_ADDR(i, GMAC_CTRL), GMC_F_LOOPB_OFF); 1221 } 1222 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 1223 1224 /* LED On. */ 1225 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_ON); 1226 1227 /* Clear TWSI IRQ. */ 1228 CSR_WRITE_4(sc, B2_I2C_IRQ, I2C_CLR_IRQ); 1229 1230 /* Turn off hardware timer. */ 1231 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_STOP); 1232 CSR_WRITE_1(sc, B2_TI_CTRL, TIM_CLR_IRQ); 1233 1234 /* Turn off descriptor polling. */ 1235 CSR_WRITE_1(sc, B28_DPT_CTRL, DPT_STOP); 1236 1237 /* Turn off time stamps. */ 1238 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_STOP); 1239 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); 1240 1241 /* Configure timeout values. */ 1242 for (i = 0; i < sc->msk_num_port; i++) { 1243 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_SET); 1244 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(i, B3_RI_CTRL), RI_RST_CLR); 1245 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R1), 1246 MSK_RI_TO_53); 1247 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA1), 1248 MSK_RI_TO_53); 1249 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS1), 1250 MSK_RI_TO_53); 1251 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R1), 1252 MSK_RI_TO_53); 1253 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA1), 1254 MSK_RI_TO_53); 1255 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS1), 1256 MSK_RI_TO_53); 1257 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_R2), 1258 MSK_RI_TO_53); 1259 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XA2), 1260 MSK_RI_TO_53); 1261 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_WTO_XS2), 1262 MSK_RI_TO_53); 1263 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_R2), 1264 MSK_RI_TO_53); 1265 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XA2), 1266 MSK_RI_TO_53); 1267 CSR_WRITE_1(sc, SELECT_RAM_BUFFER(i, B3_RI_RTO_XS2), 1268 MSK_RI_TO_53); 1269 } 1270 1271 /* Disable all interrupts. */ 1272 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 1273 CSR_READ_4(sc, B0_HWE_IMSK); 1274 CSR_WRITE_4(sc, B0_IMSK, 0); 1275 CSR_READ_4(sc, B0_IMSK); 1276 1277 /* 1278 * On dual port PCI-X card, there is an problem where status 1279 * can be received out of order due to split transactions. 1280 */ 1281 if (sc->msk_bustype == MSK_PCIX_BUS && sc->msk_num_port > 1) { 1282 int pcix; 1283 uint16_t pcix_cmd; 1284 1285 if (pci_find_extcap(sc->msk_dev, PCIY_PCIX, &pcix) == 0) { 1286 pcix_cmd = pci_read_config(sc->msk_dev, pcix + 2, 2); 1287 /* Clear Max Outstanding Split Transactions. */ 1288 pcix_cmd &= ~0x70; 1289 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 1290 pci_write_config(sc->msk_dev, pcix + 2, pcix_cmd, 2); 1291 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 1292 } 1293 } 1294 if (sc->msk_bustype == MSK_PEX_BUS) { 1295 uint16_t v, width; 1296 1297 v = pci_read_config(sc->msk_dev, PEX_DEV_CTRL, 2); 1298 /* Change Max. Read Request Size to 4096 bytes. */ 1299 v &= ~PEX_DC_MAX_RRS_MSK; 1300 v |= PEX_DC_MAX_RD_RQ_SIZE(5); 1301 pci_write_config(sc->msk_dev, PEX_DEV_CTRL, v, 2); 1302 width = pci_read_config(sc->msk_dev, PEX_LNK_STAT, 2); 1303 width = (width & PEX_LS_LINK_WI_MSK) >> 4; 1304 v = pci_read_config(sc->msk_dev, PEX_LNK_CAP, 2); 1305 v = (v & PEX_LS_LINK_WI_MSK) >> 4; 1306 if (v != width) 1307 device_printf(sc->msk_dev, 1308 "negotiated width of link(x%d) != " 1309 "max. width of link(x%d)\n", width, v); 1310 } 1311 1312 /* Clear status list. */ 1313 bzero(sc->msk_stat_ring, 1314 sizeof(struct msk_stat_desc) * MSK_STAT_RING_CNT); 1315 sc->msk_stat_cons = 0; 1316 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map, 1317 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1318 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_SET); 1319 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_RST_CLR); 1320 /* Set the status list base address. */ 1321 addr = sc->msk_stat_ring_paddr; 1322 CSR_WRITE_4(sc, STAT_LIST_ADDR_LO, MSK_ADDR_LO(addr)); 1323 CSR_WRITE_4(sc, STAT_LIST_ADDR_HI, MSK_ADDR_HI(addr)); 1324 /* Set the status list last index. */ 1325 CSR_WRITE_2(sc, STAT_LAST_IDX, MSK_STAT_RING_CNT - 1); 1326 if (sc->msk_hw_id == CHIP_ID_YUKON_EC && 1327 sc->msk_hw_rev == CHIP_REV_YU_EC_A1) { 1328 /* WA for dev. #4.3 */ 1329 CSR_WRITE_2(sc, STAT_TX_IDX_TH, ST_TXTH_IDX_MASK); 1330 /* WA for dev. #4.18 */ 1331 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x21); 1332 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x07); 1333 } else { 1334 CSR_WRITE_2(sc, STAT_TX_IDX_TH, 0x0a); 1335 CSR_WRITE_1(sc, STAT_FIFO_WM, 0x10); 1336 if (sc->msk_hw_id == CHIP_ID_YUKON_XL && 1337 sc->msk_hw_rev == CHIP_REV_YU_XL_A0) 1338 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x04); 1339 else 1340 CSR_WRITE_1(sc, STAT_FIFO_ISR_WM, 0x10); 1341 CSR_WRITE_4(sc, STAT_ISR_TIMER_INI, 0x0190); 1342 } 1343 /* 1344 * Use default value for STAT_ISR_TIMER_INI, STAT_LEV_TIMER_INI. 1345 */ 1346 CSR_WRITE_4(sc, STAT_TX_TIMER_INI, MSK_USECS(sc, 1000)); 1347 1348 /* Enable status unit. */ 1349 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_OP_ON); 1350 1351 CSR_WRITE_1(sc, STAT_TX_TIMER_CTRL, TIM_START); 1352 CSR_WRITE_1(sc, STAT_LEV_TIMER_CTRL, TIM_START); 1353 CSR_WRITE_1(sc, STAT_ISR_TIMER_CTRL, TIM_START); 1354} 1355 1356static int 1357msk_probe(device_t dev) 1358{ 1359 struct msk_softc *sc; 1360 char desc[100]; 1361 1362 sc = device_get_softc(device_get_parent(dev)); 1363 /* 1364 * Not much to do here. We always know there will be 1365 * at least one GMAC present, and if there are two, 1366 * mskc_attach() will create a second device instance 1367 * for us. 1368 */ 1369 snprintf(desc, sizeof(desc), 1370 "Marvell Technology Group Ltd. %s Id 0x%02x Rev 0x%02x", 1371 model_name[sc->msk_hw_id - CHIP_ID_YUKON_XL], sc->msk_hw_id, 1372 sc->msk_hw_rev); 1373 device_set_desc_copy(dev, desc); 1374 1375 return (BUS_PROBE_DEFAULT); 1376} 1377 1378static int 1379msk_attach(device_t dev) 1380{ 1381 struct msk_softc *sc; 1382 struct msk_if_softc *sc_if; 1383 struct ifnet *ifp; 1384 int i, port, error; 1385 uint8_t eaddr[6]; 1386 1387 if (dev == NULL) 1388 return (EINVAL); 1389 1390 error = 0; 1391 sc_if = device_get_softc(dev); 1392 sc = device_get_softc(device_get_parent(dev)); 1393 port = *(int *)device_get_ivars(dev); 1394 1395 sc_if->msk_if_dev = dev; 1396 sc_if->msk_port = port; 1397 sc_if->msk_softc = sc; 1398 sc_if->msk_flags = sc->msk_pflags; 1399 sc->msk_if[port] = sc_if; 1400 /* Setup Tx/Rx queue register offsets. */ 1401 if (port == MSK_PORT_A) { 1402 sc_if->msk_txq = Q_XA1; 1403 sc_if->msk_txsq = Q_XS1; 1404 sc_if->msk_rxq = Q_R1; 1405 } else { 1406 sc_if->msk_txq = Q_XA2; 1407 sc_if->msk_txsq = Q_XS2; 1408 sc_if->msk_rxq = Q_R2; 1409 } 1410 1411 callout_init_mtx(&sc_if->msk_tick_ch, &sc_if->msk_softc->msk_mtx, 0); 1412 msk_sysctl_node(sc_if); 1413
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1409 /* Disable jumbo frame for Yukon FE. */ 1410 if (sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_FE) 1411 sc_if->msk_flags |= MSK_FLAG_NOJUMBO; 1412
| |
1413 if ((error = msk_txrx_dma_alloc(sc_if) != 0)) 1414 goto fail; 1415 msk_rx_dma_jalloc(sc_if); 1416 1417 ifp = sc_if->msk_ifp = if_alloc(IFT_ETHER); 1418 if (ifp == NULL) { 1419 device_printf(sc_if->msk_if_dev, "can not if_alloc()\n"); 1420 error = ENOSPC; 1421 goto fail; 1422 } 1423 ifp->if_softc = sc_if; 1424 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 1425 ifp->if_mtu = ETHERMTU; 1426 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1427 /* 1428 * IFCAP_RXCSUM capability is intentionally disabled as the hardware 1429 * has serious bug in Rx checksum offload for all Yukon II family 1430 * hardware. It seems there is a workaround to make it work somtimes. 1431 * However, the workaround also have to check OP code sequences to 1432 * verify whether the OP code is correct. Sometimes it should compute 1433 * IP/TCP/UDP checksum in driver in order to verify correctness of 1434 * checksum computed by hardware. If you have to compute checksum 1435 * with software to verify the hardware's checksum why have hardware 1436 * compute the checksum? I think there is no reason to spend time to 1437 * make Rx checksum offload work on Yukon II hardware. 1438 */ 1439 ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4; 1440 ifp->if_hwassist = MSK_CSUM_FEATURES | CSUM_TSO; 1441 ifp->if_capenable = ifp->if_capabilities; 1442 ifp->if_ioctl = msk_ioctl; 1443 ifp->if_start = msk_start; 1444 ifp->if_timer = 0; 1445 ifp->if_watchdog = NULL; 1446 ifp->if_init = msk_init; 1447 IFQ_SET_MAXLEN(&ifp->if_snd, MSK_TX_RING_CNT - 1); 1448 ifp->if_snd.ifq_drv_maxlen = MSK_TX_RING_CNT - 1; 1449 IFQ_SET_READY(&ifp->if_snd); 1450 1451 TASK_INIT(&sc_if->msk_tx_task, 1, msk_tx_task, ifp); 1452 1453 /* 1454 * Get station address for this interface. Note that 1455 * dual port cards actually come with three station 1456 * addresses: one for each port, plus an extra. The 1457 * extra one is used by the SysKonnect driver software 1458 * as a 'virtual' station address for when both ports 1459 * are operating in failover mode. Currently we don't 1460 * use this extra address. 1461 */ 1462 MSK_IF_LOCK(sc_if); 1463 for (i = 0; i < ETHER_ADDR_LEN; i++) 1464 eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i); 1465 1466 /* 1467 * Call MI attach routine. Can't hold locks when calling into ether_*. 1468 */ 1469 MSK_IF_UNLOCK(sc_if); 1470 ether_ifattach(ifp, eaddr); 1471 MSK_IF_LOCK(sc_if); 1472 1473 /* 1474 * VLAN capability setup 1475 * Due to Tx checksum offload hardware bugs, msk(4) manually 1476 * computes checksum for short frames. For VLAN tagged frames 1477 * this workaround does not work so disable checksum offload 1478 * for VLAN interface. 1479 */ 1480 ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING; 1481 ifp->if_capenable = ifp->if_capabilities; 1482 1483 /* 1484 * Tell the upper layer(s) we support long frames. 1485 * Must appear after the call to ether_ifattach() because 1486 * ether_ifattach() sets ifi_hdrlen to the default value. 1487 */ 1488 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 1489 1490 /* 1491 * Do miibus setup. 1492 */ 1493 MSK_IF_UNLOCK(sc_if); 1494 error = mii_phy_probe(dev, &sc_if->msk_miibus, msk_mediachange, 1495 msk_mediastatus); 1496 if (error != 0) { 1497 device_printf(sc_if->msk_if_dev, "no PHY found!\n"); 1498 ether_ifdetach(ifp); 1499 error = ENXIO; 1500 goto fail; 1501 } 1502 1503fail: 1504 if (error != 0) { 1505 /* Access should be ok even though lock has been dropped */ 1506 sc->msk_if[port] = NULL; 1507 msk_detach(dev); 1508 } 1509 1510 return (error); 1511} 1512 1513/* 1514 * Attach the interface. Allocate softc structures, do ifmedia 1515 * setup and ethernet/BPF attach. 1516 */ 1517static int 1518mskc_attach(device_t dev) 1519{ 1520 struct msk_softc *sc; 1521 int error, msic, msir, *port, reg; 1522 1523 sc = device_get_softc(dev); 1524 sc->msk_dev = dev; 1525 mtx_init(&sc->msk_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 1526 MTX_DEF); 1527 1528 /* 1529 * Map control/status registers. 1530 */ 1531 pci_enable_busmaster(dev); 1532 1533 /* Allocate I/O resource */ 1534#ifdef MSK_USEIOSPACE 1535 sc->msk_res_spec = msk_res_spec_io; 1536#else 1537 sc->msk_res_spec = msk_res_spec_mem; 1538#endif 1539 sc->msk_irq_spec = msk_irq_spec_legacy; 1540 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res); 1541 if (error) { 1542 if (sc->msk_res_spec == msk_res_spec_mem) 1543 sc->msk_res_spec = msk_res_spec_io; 1544 else 1545 sc->msk_res_spec = msk_res_spec_mem; 1546 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res); 1547 if (error) { 1548 device_printf(dev, "couldn't allocate %s resources\n", 1549 sc->msk_res_spec == msk_res_spec_mem ? "memory" : 1550 "I/O"); 1551 mtx_destroy(&sc->msk_mtx); 1552 return (ENXIO); 1553 } 1554 } 1555 1556 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1557 sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID); 1558 sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f; 1559 /* Bail out if chip is not recognized. */ 1560 if (sc->msk_hw_id < CHIP_ID_YUKON_XL || 1561 sc->msk_hw_id > CHIP_ID_YUKON_FE) { 1562 device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n", 1563 sc->msk_hw_id, sc->msk_hw_rev); 1564 mtx_destroy(&sc->msk_mtx); 1565 return (ENXIO); 1566 } 1567 1568 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 1569 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 1570 OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW, 1571 &sc->msk_process_limit, 0, sysctl_hw_msk_proc_limit, "I", 1572 "max number of Rx events to process"); 1573 1574 sc->msk_process_limit = MSK_PROC_DEFAULT; 1575 error = resource_int_value(device_get_name(dev), device_get_unit(dev), 1576 "process_limit", &sc->msk_process_limit); 1577 if (error == 0) { 1578 if (sc->msk_process_limit < MSK_PROC_MIN || 1579 sc->msk_process_limit > MSK_PROC_MAX) { 1580 device_printf(dev, "process_limit value out of range; " 1581 "using default: %d\n", MSK_PROC_DEFAULT); 1582 sc->msk_process_limit = MSK_PROC_DEFAULT; 1583 } 1584 } 1585 1586 /* Soft reset. */ 1587 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 1588 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1589 sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP); 1590 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S') 1591 sc->msk_coppertype = 0; 1592 else 1593 sc->msk_coppertype = 1; 1594 /* Check number of MACs. */ 1595 sc->msk_num_port = 1; 1596 if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) == 1597 CFG_DUAL_MAC_MSK) { 1598 if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) 1599 sc->msk_num_port++; 1600 } 1601 1602 /* Check bus type. */ 1603 if (pci_find_extcap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) 1604 sc->msk_bustype = MSK_PEX_BUS; 1605 else if (pci_find_extcap(sc->msk_dev, PCIY_PCIX, ®) == 0) 1606 sc->msk_bustype = MSK_PCIX_BUS; 1607 else 1608 sc->msk_bustype = MSK_PCI_BUS; 1609 1610 switch (sc->msk_hw_id) { 1611 case CHIP_ID_YUKON_EC:
| 1414 if ((error = msk_txrx_dma_alloc(sc_if) != 0)) 1415 goto fail; 1416 msk_rx_dma_jalloc(sc_if); 1417 1418 ifp = sc_if->msk_ifp = if_alloc(IFT_ETHER); 1419 if (ifp == NULL) { 1420 device_printf(sc_if->msk_if_dev, "can not if_alloc()\n"); 1421 error = ENOSPC; 1422 goto fail; 1423 } 1424 ifp->if_softc = sc_if; 1425 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 1426 ifp->if_mtu = ETHERMTU; 1427 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1428 /* 1429 * IFCAP_RXCSUM capability is intentionally disabled as the hardware 1430 * has serious bug in Rx checksum offload for all Yukon II family 1431 * hardware. It seems there is a workaround to make it work somtimes. 1432 * However, the workaround also have to check OP code sequences to 1433 * verify whether the OP code is correct. Sometimes it should compute 1434 * IP/TCP/UDP checksum in driver in order to verify correctness of 1435 * checksum computed by hardware. If you have to compute checksum 1436 * with software to verify the hardware's checksum why have hardware 1437 * compute the checksum? I think there is no reason to spend time to 1438 * make Rx checksum offload work on Yukon II hardware. 1439 */ 1440 ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_TSO4; 1441 ifp->if_hwassist = MSK_CSUM_FEATURES | CSUM_TSO; 1442 ifp->if_capenable = ifp->if_capabilities; 1443 ifp->if_ioctl = msk_ioctl; 1444 ifp->if_start = msk_start; 1445 ifp->if_timer = 0; 1446 ifp->if_watchdog = NULL; 1447 ifp->if_init = msk_init; 1448 IFQ_SET_MAXLEN(&ifp->if_snd, MSK_TX_RING_CNT - 1); 1449 ifp->if_snd.ifq_drv_maxlen = MSK_TX_RING_CNT - 1; 1450 IFQ_SET_READY(&ifp->if_snd); 1451 1452 TASK_INIT(&sc_if->msk_tx_task, 1, msk_tx_task, ifp); 1453 1454 /* 1455 * Get station address for this interface. Note that 1456 * dual port cards actually come with three station 1457 * addresses: one for each port, plus an extra. The 1458 * extra one is used by the SysKonnect driver software 1459 * as a 'virtual' station address for when both ports 1460 * are operating in failover mode. Currently we don't 1461 * use this extra address. 1462 */ 1463 MSK_IF_LOCK(sc_if); 1464 for (i = 0; i < ETHER_ADDR_LEN; i++) 1465 eaddr[i] = CSR_READ_1(sc, B2_MAC_1 + (port * 8) + i); 1466 1467 /* 1468 * Call MI attach routine. Can't hold locks when calling into ether_*. 1469 */ 1470 MSK_IF_UNLOCK(sc_if); 1471 ether_ifattach(ifp, eaddr); 1472 MSK_IF_LOCK(sc_if); 1473 1474 /* 1475 * VLAN capability setup 1476 * Due to Tx checksum offload hardware bugs, msk(4) manually 1477 * computes checksum for short frames. For VLAN tagged frames 1478 * this workaround does not work so disable checksum offload 1479 * for VLAN interface. 1480 */ 1481 ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING; 1482 ifp->if_capenable = ifp->if_capabilities; 1483 1484 /* 1485 * Tell the upper layer(s) we support long frames. 1486 * Must appear after the call to ether_ifattach() because 1487 * ether_ifattach() sets ifi_hdrlen to the default value. 1488 */ 1489 ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); 1490 1491 /* 1492 * Do miibus setup. 1493 */ 1494 MSK_IF_UNLOCK(sc_if); 1495 error = mii_phy_probe(dev, &sc_if->msk_miibus, msk_mediachange, 1496 msk_mediastatus); 1497 if (error != 0) { 1498 device_printf(sc_if->msk_if_dev, "no PHY found!\n"); 1499 ether_ifdetach(ifp); 1500 error = ENXIO; 1501 goto fail; 1502 } 1503 1504fail: 1505 if (error != 0) { 1506 /* Access should be ok even though lock has been dropped */ 1507 sc->msk_if[port] = NULL; 1508 msk_detach(dev); 1509 } 1510 1511 return (error); 1512} 1513 1514/* 1515 * Attach the interface. Allocate softc structures, do ifmedia 1516 * setup and ethernet/BPF attach. 1517 */ 1518static int 1519mskc_attach(device_t dev) 1520{ 1521 struct msk_softc *sc; 1522 int error, msic, msir, *port, reg; 1523 1524 sc = device_get_softc(dev); 1525 sc->msk_dev = dev; 1526 mtx_init(&sc->msk_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 1527 MTX_DEF); 1528 1529 /* 1530 * Map control/status registers. 1531 */ 1532 pci_enable_busmaster(dev); 1533 1534 /* Allocate I/O resource */ 1535#ifdef MSK_USEIOSPACE 1536 sc->msk_res_spec = msk_res_spec_io; 1537#else 1538 sc->msk_res_spec = msk_res_spec_mem; 1539#endif 1540 sc->msk_irq_spec = msk_irq_spec_legacy; 1541 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res); 1542 if (error) { 1543 if (sc->msk_res_spec == msk_res_spec_mem) 1544 sc->msk_res_spec = msk_res_spec_io; 1545 else 1546 sc->msk_res_spec = msk_res_spec_mem; 1547 error = bus_alloc_resources(dev, sc->msk_res_spec, sc->msk_res); 1548 if (error) { 1549 device_printf(dev, "couldn't allocate %s resources\n", 1550 sc->msk_res_spec == msk_res_spec_mem ? "memory" : 1551 "I/O"); 1552 mtx_destroy(&sc->msk_mtx); 1553 return (ENXIO); 1554 } 1555 } 1556 1557 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1558 sc->msk_hw_id = CSR_READ_1(sc, B2_CHIP_ID); 1559 sc->msk_hw_rev = (CSR_READ_1(sc, B2_MAC_CFG) >> 4) & 0x0f; 1560 /* Bail out if chip is not recognized. */ 1561 if (sc->msk_hw_id < CHIP_ID_YUKON_XL || 1562 sc->msk_hw_id > CHIP_ID_YUKON_FE) { 1563 device_printf(dev, "unknown device: id=0x%02x, rev=0x%02x\n", 1564 sc->msk_hw_id, sc->msk_hw_rev); 1565 mtx_destroy(&sc->msk_mtx); 1566 return (ENXIO); 1567 } 1568 1569 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 1570 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 1571 OID_AUTO, "process_limit", CTLTYPE_INT | CTLFLAG_RW, 1572 &sc->msk_process_limit, 0, sysctl_hw_msk_proc_limit, "I", 1573 "max number of Rx events to process"); 1574 1575 sc->msk_process_limit = MSK_PROC_DEFAULT; 1576 error = resource_int_value(device_get_name(dev), device_get_unit(dev), 1577 "process_limit", &sc->msk_process_limit); 1578 if (error == 0) { 1579 if (sc->msk_process_limit < MSK_PROC_MIN || 1580 sc->msk_process_limit > MSK_PROC_MAX) { 1581 device_printf(dev, "process_limit value out of range; " 1582 "using default: %d\n", MSK_PROC_DEFAULT); 1583 sc->msk_process_limit = MSK_PROC_DEFAULT; 1584 } 1585 } 1586 1587 /* Soft reset. */ 1588 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 1589 CSR_WRITE_2(sc, B0_CTST, CS_RST_CLR); 1590 sc->msk_pmd = CSR_READ_1(sc, B2_PMD_TYP); 1591 if (sc->msk_pmd == 'L' || sc->msk_pmd == 'S') 1592 sc->msk_coppertype = 0; 1593 else 1594 sc->msk_coppertype = 1; 1595 /* Check number of MACs. */ 1596 sc->msk_num_port = 1; 1597 if ((CSR_READ_1(sc, B2_Y2_HW_RES) & CFG_DUAL_MAC_MSK) == 1598 CFG_DUAL_MAC_MSK) { 1599 if (!(CSR_READ_1(sc, B2_Y2_CLK_GATE) & Y2_STATUS_LNK2_INAC)) 1600 sc->msk_num_port++; 1601 } 1602 1603 /* Check bus type. */ 1604 if (pci_find_extcap(sc->msk_dev, PCIY_EXPRESS, ®) == 0) 1605 sc->msk_bustype = MSK_PEX_BUS; 1606 else if (pci_find_extcap(sc->msk_dev, PCIY_PCIX, ®) == 0) 1607 sc->msk_bustype = MSK_PCIX_BUS; 1608 else 1609 sc->msk_bustype = MSK_PCI_BUS; 1610 1611 switch (sc->msk_hw_id) { 1612 case CHIP_ID_YUKON_EC:
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| 1613 sc->msk_clock = 125; /* 125 Mhz */ 1614 sc->msk_pflags |= MSK_FLAG_JUMBO; 1615 break;
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1612 case CHIP_ID_YUKON_EC_U: 1613 sc->msk_clock = 125; /* 125 Mhz */
| 1616 case CHIP_ID_YUKON_EC_U: 1617 sc->msk_clock = 125; /* 125 Mhz */
|
| 1618 sc->msk_pflags |= MSK_FLAG_JUMBO | MSK_FLAG_JUMBO_NOCSUM;
|
1614 break; 1615 case CHIP_ID_YUKON_FE: 1616 sc->msk_clock = 100; /* 100 Mhz */
| 1619 break; 1620 case CHIP_ID_YUKON_FE: 1621 sc->msk_clock = 100; /* 100 Mhz */
|
| 1622 sc->msk_pflags |= MSK_FLAG_FASTETHER;
|
1617 break; 1618 case CHIP_ID_YUKON_XL: 1619 sc->msk_clock = 156; /* 156 Mhz */
| 1623 break; 1624 case CHIP_ID_YUKON_XL: 1625 sc->msk_clock = 156; /* 156 Mhz */
|
| 1626 sc->msk_pflags |= MSK_FLAG_JUMBO;
|
1620 break; 1621 default: 1622 sc->msk_clock = 156; /* 156 Mhz */ 1623 break; 1624 } 1625 1626 /* Allocate IRQ resources. */ 1627 msic = pci_msi_count(dev); 1628 if (bootverbose) 1629 device_printf(dev, "MSI count : %d\n", msic); 1630 /* 1631 * The Yukon II reports it can handle two messages, one for each 1632 * possible port. We go ahead and allocate two messages and only 1633 * setup a handler for both if we have a dual port card. 1634 * 1635 * XXX: I haven't untangled the interrupt handler to handle dual 1636 * port cards with separate MSI messages, so for now I disable MSI 1637 * on dual port cards. 1638 */ 1639 if (legacy_intr != 0) 1640 msi_disable = 1; 1641 if (msi_disable == 0) { 1642 switch (msic) { 1643 case 2: 1644 case 1: /* 88E8058 reports 1 MSI message */ 1645 msir = msic; 1646 if (sc->msk_num_port == 1 && 1647 pci_alloc_msi(dev, &msir) == 0) { 1648 if (msic == msir) { 1649 sc->msk_pflags |= MSK_FLAG_MSI; 1650 sc->msk_irq_spec = msic == 2 ? 1651 msk_irq_spec_msi2 : 1652 msk_irq_spec_msi; 1653 } else 1654 pci_release_msi(dev); 1655 } 1656 break; 1657 default: 1658 device_printf(dev, 1659 "Unexpected number of MSI messages : %d\n", msic); 1660 break; 1661 } 1662 } 1663 1664 error = bus_alloc_resources(dev, sc->msk_irq_spec, sc->msk_irq); 1665 if (error) { 1666 device_printf(dev, "couldn't allocate IRQ resources\n"); 1667 goto fail; 1668 } 1669 1670 if ((error = msk_status_dma_alloc(sc)) != 0) 1671 goto fail; 1672 1673 /* Set base interrupt mask. */ 1674 sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU; 1675 sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR | 1676 Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP; 1677 1678 /* Reset the adapter. */ 1679 mskc_reset(sc); 1680 1681 if ((error = mskc_setup_rambuffer(sc)) != 0) 1682 goto fail; 1683 1684 sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1); 1685 if (sc->msk_devs[MSK_PORT_A] == NULL) { 1686 device_printf(dev, "failed to add child for PORT_A\n"); 1687 error = ENXIO; 1688 goto fail; 1689 } 1690 port = malloc(sizeof(int), M_DEVBUF, M_WAITOK); 1691 if (port == NULL) { 1692 device_printf(dev, "failed to allocate memory for " 1693 "ivars of PORT_A\n"); 1694 error = ENXIO; 1695 goto fail; 1696 } 1697 *port = MSK_PORT_A; 1698 device_set_ivars(sc->msk_devs[MSK_PORT_A], port); 1699 1700 if (sc->msk_num_port > 1) { 1701 sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1); 1702 if (sc->msk_devs[MSK_PORT_B] == NULL) { 1703 device_printf(dev, "failed to add child for PORT_B\n"); 1704 error = ENXIO; 1705 goto fail; 1706 } 1707 port = malloc(sizeof(int), M_DEVBUF, M_WAITOK); 1708 if (port == NULL) { 1709 device_printf(dev, "failed to allocate memory for " 1710 "ivars of PORT_B\n"); 1711 error = ENXIO; 1712 goto fail; 1713 } 1714 *port = MSK_PORT_B; 1715 device_set_ivars(sc->msk_devs[MSK_PORT_B], port); 1716 } 1717 1718 error = bus_generic_attach(dev); 1719 if (error) { 1720 device_printf(dev, "failed to attach port(s)\n"); 1721 goto fail; 1722 } 1723 1724 /* Hook interrupt last to avoid having to lock softc. */ 1725 if (legacy_intr) 1726 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET | 1727 INTR_MPSAFE, NULL, msk_legacy_intr, sc, 1728 &sc->msk_intrhand[0]); 1729 else { 1730 TASK_INIT(&sc->msk_int_task, 0, msk_int_task, sc); 1731 sc->msk_tq = taskqueue_create_fast("msk_taskq", M_WAITOK, 1732 taskqueue_thread_enqueue, &sc->msk_tq); 1733 taskqueue_start_threads(&sc->msk_tq, 1, PI_NET, "%s taskq", 1734 device_get_nameunit(sc->msk_dev)); 1735 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET | 1736 INTR_MPSAFE, msk_intr, NULL, sc, &sc->msk_intrhand[0]); 1737 } 1738 1739 if (error != 0) { 1740 device_printf(dev, "couldn't set up interrupt handler\n"); 1741 if (legacy_intr == 0) 1742 taskqueue_free(sc->msk_tq); 1743 sc->msk_tq = NULL; 1744 goto fail; 1745 } 1746fail: 1747 if (error != 0) 1748 mskc_detach(dev); 1749 1750 return (error); 1751} 1752 1753/* 1754 * Shutdown hardware and free up resources. This can be called any 1755 * time after the mutex has been initialized. It is called in both 1756 * the error case in attach and the normal detach case so it needs 1757 * to be careful about only freeing resources that have actually been 1758 * allocated. 1759 */ 1760static int 1761msk_detach(device_t dev) 1762{ 1763 struct msk_softc *sc; 1764 struct msk_if_softc *sc_if; 1765 struct ifnet *ifp; 1766 1767 sc_if = device_get_softc(dev); 1768 KASSERT(mtx_initialized(&sc_if->msk_softc->msk_mtx), 1769 ("msk mutex not initialized in msk_detach")); 1770 MSK_IF_LOCK(sc_if); 1771 1772 ifp = sc_if->msk_ifp; 1773 if (device_is_attached(dev)) { 1774 /* XXX */ 1775 sc_if->msk_flags |= MSK_FLAG_DETACH; 1776 msk_stop(sc_if); 1777 /* Can't hold locks while calling detach. */ 1778 MSK_IF_UNLOCK(sc_if); 1779 callout_drain(&sc_if->msk_tick_ch); 1780 taskqueue_drain(taskqueue_fast, &sc_if->msk_tx_task); 1781 ether_ifdetach(ifp); 1782 MSK_IF_LOCK(sc_if); 1783 } 1784 1785 /* 1786 * We're generally called from mskc_detach() which is using 1787 * device_delete_child() to get to here. It's already trashed 1788 * miibus for us, so don't do it here or we'll panic. 1789 * 1790 * if (sc_if->msk_miibus != NULL) { 1791 * device_delete_child(dev, sc_if->msk_miibus); 1792 * sc_if->msk_miibus = NULL; 1793 * } 1794 */ 1795 1796 msk_rx_dma_jfree(sc_if); 1797 msk_txrx_dma_free(sc_if); 1798 bus_generic_detach(dev); 1799 1800 if (ifp) 1801 if_free(ifp); 1802 sc = sc_if->msk_softc; 1803 sc->msk_if[sc_if->msk_port] = NULL; 1804 MSK_IF_UNLOCK(sc_if); 1805 1806 return (0); 1807} 1808 1809static int 1810mskc_detach(device_t dev) 1811{ 1812 struct msk_softc *sc; 1813 1814 sc = device_get_softc(dev); 1815 KASSERT(mtx_initialized(&sc->msk_mtx), ("msk mutex not initialized")); 1816 1817 if (device_is_alive(dev)) { 1818 if (sc->msk_devs[MSK_PORT_A] != NULL) { 1819 free(device_get_ivars(sc->msk_devs[MSK_PORT_A]), 1820 M_DEVBUF); 1821 device_delete_child(dev, sc->msk_devs[MSK_PORT_A]); 1822 } 1823 if (sc->msk_devs[MSK_PORT_B] != NULL) { 1824 free(device_get_ivars(sc->msk_devs[MSK_PORT_B]), 1825 M_DEVBUF); 1826 device_delete_child(dev, sc->msk_devs[MSK_PORT_B]); 1827 } 1828 bus_generic_detach(dev); 1829 } 1830 1831 /* Disable all interrupts. */ 1832 CSR_WRITE_4(sc, B0_IMSK, 0); 1833 CSR_READ_4(sc, B0_IMSK); 1834 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 1835 CSR_READ_4(sc, B0_HWE_IMSK); 1836 1837 /* LED Off. */ 1838 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF); 1839 1840 /* Put hardware reset. */ 1841 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 1842 1843 msk_status_dma_free(sc); 1844 1845 if (legacy_intr == 0 && sc->msk_tq != NULL) { 1846 taskqueue_drain(sc->msk_tq, &sc->msk_int_task); 1847 taskqueue_free(sc->msk_tq); 1848 sc->msk_tq = NULL; 1849 } 1850 if (sc->msk_intrhand[0]) { 1851 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand[0]); 1852 sc->msk_intrhand[0] = NULL; 1853 } 1854 if (sc->msk_intrhand[1]) { 1855 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand[0]); 1856 sc->msk_intrhand[1] = NULL; 1857 } 1858 bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq); 1859 if ((sc->msk_pflags & MSK_FLAG_MSI) != 0) 1860 pci_release_msi(dev); 1861 bus_release_resources(dev, sc->msk_res_spec, sc->msk_res); 1862 mtx_destroy(&sc->msk_mtx); 1863 1864 return (0); 1865} 1866 1867struct msk_dmamap_arg { 1868 bus_addr_t msk_busaddr; 1869}; 1870 1871static void 1872msk_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1873{ 1874 struct msk_dmamap_arg *ctx; 1875 1876 if (error != 0) 1877 return; 1878 ctx = arg; 1879 ctx->msk_busaddr = segs[0].ds_addr; 1880} 1881 1882/* Create status DMA region. */ 1883static int 1884msk_status_dma_alloc(struct msk_softc *sc) 1885{ 1886 struct msk_dmamap_arg ctx; 1887 int error; 1888 1889 error = bus_dma_tag_create( 1890 bus_get_dma_tag(sc->msk_dev), /* parent */ 1891 MSK_STAT_ALIGN, 0, /* alignment, boundary */ 1892 BUS_SPACE_MAXADDR, /* lowaddr */ 1893 BUS_SPACE_MAXADDR, /* highaddr */ 1894 NULL, NULL, /* filter, filterarg */ 1895 MSK_STAT_RING_SZ, /* maxsize */ 1896 1, /* nsegments */ 1897 MSK_STAT_RING_SZ, /* maxsegsize */ 1898 0, /* flags */ 1899 NULL, NULL, /* lockfunc, lockarg */ 1900 &sc->msk_stat_tag); 1901 if (error != 0) { 1902 device_printf(sc->msk_dev, 1903 "failed to create status DMA tag\n"); 1904 return (error); 1905 } 1906 1907 /* Allocate DMA'able memory and load the DMA map for status ring. */ 1908 error = bus_dmamem_alloc(sc->msk_stat_tag, 1909 (void **)&sc->msk_stat_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | 1910 BUS_DMA_ZERO, &sc->msk_stat_map); 1911 if (error != 0) { 1912 device_printf(sc->msk_dev, 1913 "failed to allocate DMA'able memory for status ring\n"); 1914 return (error); 1915 } 1916 1917 ctx.msk_busaddr = 0; 1918 error = bus_dmamap_load(sc->msk_stat_tag, 1919 sc->msk_stat_map, sc->msk_stat_ring, MSK_STAT_RING_SZ, 1920 msk_dmamap_cb, &ctx, 0); 1921 if (error != 0) { 1922 device_printf(sc->msk_dev, 1923 "failed to load DMA'able memory for status ring\n"); 1924 return (error); 1925 } 1926 sc->msk_stat_ring_paddr = ctx.msk_busaddr; 1927 1928 return (0); 1929} 1930 1931static void 1932msk_status_dma_free(struct msk_softc *sc) 1933{ 1934 1935 /* Destroy status block. */ 1936 if (sc->msk_stat_tag) { 1937 if (sc->msk_stat_map) { 1938 bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map); 1939 if (sc->msk_stat_ring) { 1940 bus_dmamem_free(sc->msk_stat_tag, 1941 sc->msk_stat_ring, sc->msk_stat_map); 1942 sc->msk_stat_ring = NULL; 1943 } 1944 sc->msk_stat_map = NULL; 1945 } 1946 bus_dma_tag_destroy(sc->msk_stat_tag); 1947 sc->msk_stat_tag = NULL; 1948 } 1949} 1950 1951static int 1952msk_txrx_dma_alloc(struct msk_if_softc *sc_if) 1953{ 1954 struct msk_dmamap_arg ctx; 1955 struct msk_txdesc *txd; 1956 struct msk_rxdesc *rxd; 1957 bus_size_t rxalign; 1958 int error, i; 1959 1960 /* Create parent DMA tag. */ 1961 /* 1962 * XXX 1963 * It seems that Yukon II supports full 64bits DMA operations. But 1964 * it needs two descriptors(list elements) for 64bits DMA operations. 1965 * Since we don't know what DMA address mappings(32bits or 64bits) 1966 * would be used in advance for each mbufs, we limits its DMA space 1967 * to be in range of 32bits address space. Otherwise, we should check 1968 * what DMA address is used and chain another descriptor for the 1969 * 64bits DMA operation. This also means descriptor ring size is 1970 * variable. Limiting DMA address to be in 32bit address space greatly 1971 * simplyfies descriptor handling and possibly would increase 1972 * performance a bit due to efficient handling of descriptors. 1973 * Apart from harassing checksum offloading mechanisms, it seems 1974 * it's really bad idea to use a seperate descriptor for 64bit 1975 * DMA operation to save small descriptor memory. Anyway, I've 1976 * never seen these exotic scheme on ethernet interface hardware. 1977 */ 1978 error = bus_dma_tag_create( 1979 bus_get_dma_tag(sc_if->msk_if_dev), /* parent */ 1980 1, 0, /* alignment, boundary */ 1981 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 1982 BUS_SPACE_MAXADDR, /* highaddr */ 1983 NULL, NULL, /* filter, filterarg */ 1984 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 1985 0, /* nsegments */ 1986 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 1987 0, /* flags */ 1988 NULL, NULL, /* lockfunc, lockarg */ 1989 &sc_if->msk_cdata.msk_parent_tag); 1990 if (error != 0) { 1991 device_printf(sc_if->msk_if_dev, 1992 "failed to create parent DMA tag\n"); 1993 goto fail; 1994 } 1995 /* Create tag for Tx ring. */ 1996 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 1997 MSK_RING_ALIGN, 0, /* alignment, boundary */ 1998 BUS_SPACE_MAXADDR, /* lowaddr */ 1999 BUS_SPACE_MAXADDR, /* highaddr */ 2000 NULL, NULL, /* filter, filterarg */ 2001 MSK_TX_RING_SZ, /* maxsize */ 2002 1, /* nsegments */ 2003 MSK_TX_RING_SZ, /* maxsegsize */ 2004 0, /* flags */ 2005 NULL, NULL, /* lockfunc, lockarg */ 2006 &sc_if->msk_cdata.msk_tx_ring_tag); 2007 if (error != 0) { 2008 device_printf(sc_if->msk_if_dev, 2009 "failed to create Tx ring DMA tag\n"); 2010 goto fail; 2011 } 2012 2013 /* Create tag for Rx ring. */ 2014 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2015 MSK_RING_ALIGN, 0, /* alignment, boundary */ 2016 BUS_SPACE_MAXADDR, /* lowaddr */ 2017 BUS_SPACE_MAXADDR, /* highaddr */ 2018 NULL, NULL, /* filter, filterarg */ 2019 MSK_RX_RING_SZ, /* maxsize */ 2020 1, /* nsegments */ 2021 MSK_RX_RING_SZ, /* maxsegsize */ 2022 0, /* flags */ 2023 NULL, NULL, /* lockfunc, lockarg */ 2024 &sc_if->msk_cdata.msk_rx_ring_tag); 2025 if (error != 0) { 2026 device_printf(sc_if->msk_if_dev, 2027 "failed to create Rx ring DMA tag\n"); 2028 goto fail; 2029 } 2030 2031 /* Create tag for Tx buffers. */ 2032 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2033 1, 0, /* alignment, boundary */ 2034 BUS_SPACE_MAXADDR, /* lowaddr */ 2035 BUS_SPACE_MAXADDR, /* highaddr */ 2036 NULL, NULL, /* filter, filterarg */ 2037 MSK_TSO_MAXSIZE, /* maxsize */ 2038 MSK_MAXTXSEGS, /* nsegments */ 2039 MSK_TSO_MAXSGSIZE, /* maxsegsize */ 2040 0, /* flags */ 2041 NULL, NULL, /* lockfunc, lockarg */ 2042 &sc_if->msk_cdata.msk_tx_tag); 2043 if (error != 0) { 2044 device_printf(sc_if->msk_if_dev, 2045 "failed to create Tx DMA tag\n"); 2046 goto fail; 2047 } 2048 2049 rxalign = 1; 2050 /* 2051 * Workaround hardware hang which seems to happen when Rx buffer 2052 * is not aligned on multiple of FIFO word(8 bytes). 2053 */ 2054 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2055 rxalign = MSK_RX_BUF_ALIGN; 2056 /* Create tag for Rx buffers. */ 2057 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2058 rxalign, 0, /* alignment, boundary */ 2059 BUS_SPACE_MAXADDR, /* lowaddr */ 2060 BUS_SPACE_MAXADDR, /* highaddr */ 2061 NULL, NULL, /* filter, filterarg */ 2062 MCLBYTES, /* maxsize */ 2063 1, /* nsegments */ 2064 MCLBYTES, /* maxsegsize */ 2065 0, /* flags */ 2066 NULL, NULL, /* lockfunc, lockarg */ 2067 &sc_if->msk_cdata.msk_rx_tag); 2068 if (error != 0) { 2069 device_printf(sc_if->msk_if_dev, 2070 "failed to create Rx DMA tag\n"); 2071 goto fail; 2072 } 2073 2074 /* Allocate DMA'able memory and load the DMA map for Tx ring. */ 2075 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_tx_ring_tag, 2076 (void **)&sc_if->msk_rdata.msk_tx_ring, BUS_DMA_WAITOK | 2077 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_tx_ring_map); 2078 if (error != 0) { 2079 device_printf(sc_if->msk_if_dev, 2080 "failed to allocate DMA'able memory for Tx ring\n"); 2081 goto fail; 2082 } 2083 2084 ctx.msk_busaddr = 0; 2085 error = bus_dmamap_load(sc_if->msk_cdata.msk_tx_ring_tag, 2086 sc_if->msk_cdata.msk_tx_ring_map, sc_if->msk_rdata.msk_tx_ring, 2087 MSK_TX_RING_SZ, msk_dmamap_cb, &ctx, 0); 2088 if (error != 0) { 2089 device_printf(sc_if->msk_if_dev, 2090 "failed to load DMA'able memory for Tx ring\n"); 2091 goto fail; 2092 } 2093 sc_if->msk_rdata.msk_tx_ring_paddr = ctx.msk_busaddr; 2094 2095 /* Allocate DMA'able memory and load the DMA map for Rx ring. */ 2096 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_rx_ring_tag, 2097 (void **)&sc_if->msk_rdata.msk_rx_ring, BUS_DMA_WAITOK | 2098 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_rx_ring_map); 2099 if (error != 0) { 2100 device_printf(sc_if->msk_if_dev, 2101 "failed to allocate DMA'able memory for Rx ring\n"); 2102 goto fail; 2103 } 2104 2105 ctx.msk_busaddr = 0; 2106 error = bus_dmamap_load(sc_if->msk_cdata.msk_rx_ring_tag, 2107 sc_if->msk_cdata.msk_rx_ring_map, sc_if->msk_rdata.msk_rx_ring, 2108 MSK_RX_RING_SZ, msk_dmamap_cb, &ctx, 0); 2109 if (error != 0) { 2110 device_printf(sc_if->msk_if_dev, 2111 "failed to load DMA'able memory for Rx ring\n"); 2112 goto fail; 2113 } 2114 sc_if->msk_rdata.msk_rx_ring_paddr = ctx.msk_busaddr; 2115 2116 /* Create DMA maps for Tx buffers. */ 2117 for (i = 0; i < MSK_TX_RING_CNT; i++) { 2118 txd = &sc_if->msk_cdata.msk_txdesc[i]; 2119 txd->tx_m = NULL; 2120 txd->tx_dmamap = NULL; 2121 error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag, 0, 2122 &txd->tx_dmamap); 2123 if (error != 0) { 2124 device_printf(sc_if->msk_if_dev, 2125 "failed to create Tx dmamap\n"); 2126 goto fail; 2127 } 2128 } 2129 /* Create DMA maps for Rx buffers. */ 2130 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0, 2131 &sc_if->msk_cdata.msk_rx_sparemap)) != 0) { 2132 device_printf(sc_if->msk_if_dev, 2133 "failed to create spare Rx dmamap\n"); 2134 goto fail; 2135 } 2136 for (i = 0; i < MSK_RX_RING_CNT; i++) { 2137 rxd = &sc_if->msk_cdata.msk_rxdesc[i]; 2138 rxd->rx_m = NULL; 2139 rxd->rx_dmamap = NULL; 2140 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0, 2141 &rxd->rx_dmamap); 2142 if (error != 0) { 2143 device_printf(sc_if->msk_if_dev, 2144 "failed to create Rx dmamap\n"); 2145 goto fail; 2146 } 2147 } 2148 2149fail: 2150 return (error); 2151} 2152 2153static int 2154msk_rx_dma_jalloc(struct msk_if_softc *sc_if) 2155{ 2156 struct msk_dmamap_arg ctx; 2157 struct msk_rxdesc *jrxd; 2158 bus_size_t rxalign; 2159 int error, i; 2160
| 1627 break; 1628 default: 1629 sc->msk_clock = 156; /* 156 Mhz */ 1630 break; 1631 } 1632 1633 /* Allocate IRQ resources. */ 1634 msic = pci_msi_count(dev); 1635 if (bootverbose) 1636 device_printf(dev, "MSI count : %d\n", msic); 1637 /* 1638 * The Yukon II reports it can handle two messages, one for each 1639 * possible port. We go ahead and allocate two messages and only 1640 * setup a handler for both if we have a dual port card. 1641 * 1642 * XXX: I haven't untangled the interrupt handler to handle dual 1643 * port cards with separate MSI messages, so for now I disable MSI 1644 * on dual port cards. 1645 */ 1646 if (legacy_intr != 0) 1647 msi_disable = 1; 1648 if (msi_disable == 0) { 1649 switch (msic) { 1650 case 2: 1651 case 1: /* 88E8058 reports 1 MSI message */ 1652 msir = msic; 1653 if (sc->msk_num_port == 1 && 1654 pci_alloc_msi(dev, &msir) == 0) { 1655 if (msic == msir) { 1656 sc->msk_pflags |= MSK_FLAG_MSI; 1657 sc->msk_irq_spec = msic == 2 ? 1658 msk_irq_spec_msi2 : 1659 msk_irq_spec_msi; 1660 } else 1661 pci_release_msi(dev); 1662 } 1663 break; 1664 default: 1665 device_printf(dev, 1666 "Unexpected number of MSI messages : %d\n", msic); 1667 break; 1668 } 1669 } 1670 1671 error = bus_alloc_resources(dev, sc->msk_irq_spec, sc->msk_irq); 1672 if (error) { 1673 device_printf(dev, "couldn't allocate IRQ resources\n"); 1674 goto fail; 1675 } 1676 1677 if ((error = msk_status_dma_alloc(sc)) != 0) 1678 goto fail; 1679 1680 /* Set base interrupt mask. */ 1681 sc->msk_intrmask = Y2_IS_HW_ERR | Y2_IS_STAT_BMU; 1682 sc->msk_intrhwemask = Y2_IS_TIST_OV | Y2_IS_MST_ERR | 1683 Y2_IS_IRQ_STAT | Y2_IS_PCI_EXP | Y2_IS_PCI_NEXP; 1684 1685 /* Reset the adapter. */ 1686 mskc_reset(sc); 1687 1688 if ((error = mskc_setup_rambuffer(sc)) != 0) 1689 goto fail; 1690 1691 sc->msk_devs[MSK_PORT_A] = device_add_child(dev, "msk", -1); 1692 if (sc->msk_devs[MSK_PORT_A] == NULL) { 1693 device_printf(dev, "failed to add child for PORT_A\n"); 1694 error = ENXIO; 1695 goto fail; 1696 } 1697 port = malloc(sizeof(int), M_DEVBUF, M_WAITOK); 1698 if (port == NULL) { 1699 device_printf(dev, "failed to allocate memory for " 1700 "ivars of PORT_A\n"); 1701 error = ENXIO; 1702 goto fail; 1703 } 1704 *port = MSK_PORT_A; 1705 device_set_ivars(sc->msk_devs[MSK_PORT_A], port); 1706 1707 if (sc->msk_num_port > 1) { 1708 sc->msk_devs[MSK_PORT_B] = device_add_child(dev, "msk", -1); 1709 if (sc->msk_devs[MSK_PORT_B] == NULL) { 1710 device_printf(dev, "failed to add child for PORT_B\n"); 1711 error = ENXIO; 1712 goto fail; 1713 } 1714 port = malloc(sizeof(int), M_DEVBUF, M_WAITOK); 1715 if (port == NULL) { 1716 device_printf(dev, "failed to allocate memory for " 1717 "ivars of PORT_B\n"); 1718 error = ENXIO; 1719 goto fail; 1720 } 1721 *port = MSK_PORT_B; 1722 device_set_ivars(sc->msk_devs[MSK_PORT_B], port); 1723 } 1724 1725 error = bus_generic_attach(dev); 1726 if (error) { 1727 device_printf(dev, "failed to attach port(s)\n"); 1728 goto fail; 1729 } 1730 1731 /* Hook interrupt last to avoid having to lock softc. */ 1732 if (legacy_intr) 1733 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET | 1734 INTR_MPSAFE, NULL, msk_legacy_intr, sc, 1735 &sc->msk_intrhand[0]); 1736 else { 1737 TASK_INIT(&sc->msk_int_task, 0, msk_int_task, sc); 1738 sc->msk_tq = taskqueue_create_fast("msk_taskq", M_WAITOK, 1739 taskqueue_thread_enqueue, &sc->msk_tq); 1740 taskqueue_start_threads(&sc->msk_tq, 1, PI_NET, "%s taskq", 1741 device_get_nameunit(sc->msk_dev)); 1742 error = bus_setup_intr(dev, sc->msk_irq[0], INTR_TYPE_NET | 1743 INTR_MPSAFE, msk_intr, NULL, sc, &sc->msk_intrhand[0]); 1744 } 1745 1746 if (error != 0) { 1747 device_printf(dev, "couldn't set up interrupt handler\n"); 1748 if (legacy_intr == 0) 1749 taskqueue_free(sc->msk_tq); 1750 sc->msk_tq = NULL; 1751 goto fail; 1752 } 1753fail: 1754 if (error != 0) 1755 mskc_detach(dev); 1756 1757 return (error); 1758} 1759 1760/* 1761 * Shutdown hardware and free up resources. This can be called any 1762 * time after the mutex has been initialized. It is called in both 1763 * the error case in attach and the normal detach case so it needs 1764 * to be careful about only freeing resources that have actually been 1765 * allocated. 1766 */ 1767static int 1768msk_detach(device_t dev) 1769{ 1770 struct msk_softc *sc; 1771 struct msk_if_softc *sc_if; 1772 struct ifnet *ifp; 1773 1774 sc_if = device_get_softc(dev); 1775 KASSERT(mtx_initialized(&sc_if->msk_softc->msk_mtx), 1776 ("msk mutex not initialized in msk_detach")); 1777 MSK_IF_LOCK(sc_if); 1778 1779 ifp = sc_if->msk_ifp; 1780 if (device_is_attached(dev)) { 1781 /* XXX */ 1782 sc_if->msk_flags |= MSK_FLAG_DETACH; 1783 msk_stop(sc_if); 1784 /* Can't hold locks while calling detach. */ 1785 MSK_IF_UNLOCK(sc_if); 1786 callout_drain(&sc_if->msk_tick_ch); 1787 taskqueue_drain(taskqueue_fast, &sc_if->msk_tx_task); 1788 ether_ifdetach(ifp); 1789 MSK_IF_LOCK(sc_if); 1790 } 1791 1792 /* 1793 * We're generally called from mskc_detach() which is using 1794 * device_delete_child() to get to here. It's already trashed 1795 * miibus for us, so don't do it here or we'll panic. 1796 * 1797 * if (sc_if->msk_miibus != NULL) { 1798 * device_delete_child(dev, sc_if->msk_miibus); 1799 * sc_if->msk_miibus = NULL; 1800 * } 1801 */ 1802 1803 msk_rx_dma_jfree(sc_if); 1804 msk_txrx_dma_free(sc_if); 1805 bus_generic_detach(dev); 1806 1807 if (ifp) 1808 if_free(ifp); 1809 sc = sc_if->msk_softc; 1810 sc->msk_if[sc_if->msk_port] = NULL; 1811 MSK_IF_UNLOCK(sc_if); 1812 1813 return (0); 1814} 1815 1816static int 1817mskc_detach(device_t dev) 1818{ 1819 struct msk_softc *sc; 1820 1821 sc = device_get_softc(dev); 1822 KASSERT(mtx_initialized(&sc->msk_mtx), ("msk mutex not initialized")); 1823 1824 if (device_is_alive(dev)) { 1825 if (sc->msk_devs[MSK_PORT_A] != NULL) { 1826 free(device_get_ivars(sc->msk_devs[MSK_PORT_A]), 1827 M_DEVBUF); 1828 device_delete_child(dev, sc->msk_devs[MSK_PORT_A]); 1829 } 1830 if (sc->msk_devs[MSK_PORT_B] != NULL) { 1831 free(device_get_ivars(sc->msk_devs[MSK_PORT_B]), 1832 M_DEVBUF); 1833 device_delete_child(dev, sc->msk_devs[MSK_PORT_B]); 1834 } 1835 bus_generic_detach(dev); 1836 } 1837 1838 /* Disable all interrupts. */ 1839 CSR_WRITE_4(sc, B0_IMSK, 0); 1840 CSR_READ_4(sc, B0_IMSK); 1841 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 1842 CSR_READ_4(sc, B0_HWE_IMSK); 1843 1844 /* LED Off. */ 1845 CSR_WRITE_2(sc, B0_CTST, Y2_LED_STAT_OFF); 1846 1847 /* Put hardware reset. */ 1848 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 1849 1850 msk_status_dma_free(sc); 1851 1852 if (legacy_intr == 0 && sc->msk_tq != NULL) { 1853 taskqueue_drain(sc->msk_tq, &sc->msk_int_task); 1854 taskqueue_free(sc->msk_tq); 1855 sc->msk_tq = NULL; 1856 } 1857 if (sc->msk_intrhand[0]) { 1858 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand[0]); 1859 sc->msk_intrhand[0] = NULL; 1860 } 1861 if (sc->msk_intrhand[1]) { 1862 bus_teardown_intr(dev, sc->msk_irq[0], sc->msk_intrhand[0]); 1863 sc->msk_intrhand[1] = NULL; 1864 } 1865 bus_release_resources(dev, sc->msk_irq_spec, sc->msk_irq); 1866 if ((sc->msk_pflags & MSK_FLAG_MSI) != 0) 1867 pci_release_msi(dev); 1868 bus_release_resources(dev, sc->msk_res_spec, sc->msk_res); 1869 mtx_destroy(&sc->msk_mtx); 1870 1871 return (0); 1872} 1873 1874struct msk_dmamap_arg { 1875 bus_addr_t msk_busaddr; 1876}; 1877 1878static void 1879msk_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) 1880{ 1881 struct msk_dmamap_arg *ctx; 1882 1883 if (error != 0) 1884 return; 1885 ctx = arg; 1886 ctx->msk_busaddr = segs[0].ds_addr; 1887} 1888 1889/* Create status DMA region. */ 1890static int 1891msk_status_dma_alloc(struct msk_softc *sc) 1892{ 1893 struct msk_dmamap_arg ctx; 1894 int error; 1895 1896 error = bus_dma_tag_create( 1897 bus_get_dma_tag(sc->msk_dev), /* parent */ 1898 MSK_STAT_ALIGN, 0, /* alignment, boundary */ 1899 BUS_SPACE_MAXADDR, /* lowaddr */ 1900 BUS_SPACE_MAXADDR, /* highaddr */ 1901 NULL, NULL, /* filter, filterarg */ 1902 MSK_STAT_RING_SZ, /* maxsize */ 1903 1, /* nsegments */ 1904 MSK_STAT_RING_SZ, /* maxsegsize */ 1905 0, /* flags */ 1906 NULL, NULL, /* lockfunc, lockarg */ 1907 &sc->msk_stat_tag); 1908 if (error != 0) { 1909 device_printf(sc->msk_dev, 1910 "failed to create status DMA tag\n"); 1911 return (error); 1912 } 1913 1914 /* Allocate DMA'able memory and load the DMA map for status ring. */ 1915 error = bus_dmamem_alloc(sc->msk_stat_tag, 1916 (void **)&sc->msk_stat_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | 1917 BUS_DMA_ZERO, &sc->msk_stat_map); 1918 if (error != 0) { 1919 device_printf(sc->msk_dev, 1920 "failed to allocate DMA'able memory for status ring\n"); 1921 return (error); 1922 } 1923 1924 ctx.msk_busaddr = 0; 1925 error = bus_dmamap_load(sc->msk_stat_tag, 1926 sc->msk_stat_map, sc->msk_stat_ring, MSK_STAT_RING_SZ, 1927 msk_dmamap_cb, &ctx, 0); 1928 if (error != 0) { 1929 device_printf(sc->msk_dev, 1930 "failed to load DMA'able memory for status ring\n"); 1931 return (error); 1932 } 1933 sc->msk_stat_ring_paddr = ctx.msk_busaddr; 1934 1935 return (0); 1936} 1937 1938static void 1939msk_status_dma_free(struct msk_softc *sc) 1940{ 1941 1942 /* Destroy status block. */ 1943 if (sc->msk_stat_tag) { 1944 if (sc->msk_stat_map) { 1945 bus_dmamap_unload(sc->msk_stat_tag, sc->msk_stat_map); 1946 if (sc->msk_stat_ring) { 1947 bus_dmamem_free(sc->msk_stat_tag, 1948 sc->msk_stat_ring, sc->msk_stat_map); 1949 sc->msk_stat_ring = NULL; 1950 } 1951 sc->msk_stat_map = NULL; 1952 } 1953 bus_dma_tag_destroy(sc->msk_stat_tag); 1954 sc->msk_stat_tag = NULL; 1955 } 1956} 1957 1958static int 1959msk_txrx_dma_alloc(struct msk_if_softc *sc_if) 1960{ 1961 struct msk_dmamap_arg ctx; 1962 struct msk_txdesc *txd; 1963 struct msk_rxdesc *rxd; 1964 bus_size_t rxalign; 1965 int error, i; 1966 1967 /* Create parent DMA tag. */ 1968 /* 1969 * XXX 1970 * It seems that Yukon II supports full 64bits DMA operations. But 1971 * it needs two descriptors(list elements) for 64bits DMA operations. 1972 * Since we don't know what DMA address mappings(32bits or 64bits) 1973 * would be used in advance for each mbufs, we limits its DMA space 1974 * to be in range of 32bits address space. Otherwise, we should check 1975 * what DMA address is used and chain another descriptor for the 1976 * 64bits DMA operation. This also means descriptor ring size is 1977 * variable. Limiting DMA address to be in 32bit address space greatly 1978 * simplyfies descriptor handling and possibly would increase 1979 * performance a bit due to efficient handling of descriptors. 1980 * Apart from harassing checksum offloading mechanisms, it seems 1981 * it's really bad idea to use a seperate descriptor for 64bit 1982 * DMA operation to save small descriptor memory. Anyway, I've 1983 * never seen these exotic scheme on ethernet interface hardware. 1984 */ 1985 error = bus_dma_tag_create( 1986 bus_get_dma_tag(sc_if->msk_if_dev), /* parent */ 1987 1, 0, /* alignment, boundary */ 1988 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ 1989 BUS_SPACE_MAXADDR, /* highaddr */ 1990 NULL, NULL, /* filter, filterarg */ 1991 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 1992 0, /* nsegments */ 1993 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 1994 0, /* flags */ 1995 NULL, NULL, /* lockfunc, lockarg */ 1996 &sc_if->msk_cdata.msk_parent_tag); 1997 if (error != 0) { 1998 device_printf(sc_if->msk_if_dev, 1999 "failed to create parent DMA tag\n"); 2000 goto fail; 2001 } 2002 /* Create tag for Tx ring. */ 2003 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2004 MSK_RING_ALIGN, 0, /* alignment, boundary */ 2005 BUS_SPACE_MAXADDR, /* lowaddr */ 2006 BUS_SPACE_MAXADDR, /* highaddr */ 2007 NULL, NULL, /* filter, filterarg */ 2008 MSK_TX_RING_SZ, /* maxsize */ 2009 1, /* nsegments */ 2010 MSK_TX_RING_SZ, /* maxsegsize */ 2011 0, /* flags */ 2012 NULL, NULL, /* lockfunc, lockarg */ 2013 &sc_if->msk_cdata.msk_tx_ring_tag); 2014 if (error != 0) { 2015 device_printf(sc_if->msk_if_dev, 2016 "failed to create Tx ring DMA tag\n"); 2017 goto fail; 2018 } 2019 2020 /* Create tag for Rx ring. */ 2021 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2022 MSK_RING_ALIGN, 0, /* alignment, boundary */ 2023 BUS_SPACE_MAXADDR, /* lowaddr */ 2024 BUS_SPACE_MAXADDR, /* highaddr */ 2025 NULL, NULL, /* filter, filterarg */ 2026 MSK_RX_RING_SZ, /* maxsize */ 2027 1, /* nsegments */ 2028 MSK_RX_RING_SZ, /* maxsegsize */ 2029 0, /* flags */ 2030 NULL, NULL, /* lockfunc, lockarg */ 2031 &sc_if->msk_cdata.msk_rx_ring_tag); 2032 if (error != 0) { 2033 device_printf(sc_if->msk_if_dev, 2034 "failed to create Rx ring DMA tag\n"); 2035 goto fail; 2036 } 2037 2038 /* Create tag for Tx buffers. */ 2039 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2040 1, 0, /* alignment, boundary */ 2041 BUS_SPACE_MAXADDR, /* lowaddr */ 2042 BUS_SPACE_MAXADDR, /* highaddr */ 2043 NULL, NULL, /* filter, filterarg */ 2044 MSK_TSO_MAXSIZE, /* maxsize */ 2045 MSK_MAXTXSEGS, /* nsegments */ 2046 MSK_TSO_MAXSGSIZE, /* maxsegsize */ 2047 0, /* flags */ 2048 NULL, NULL, /* lockfunc, lockarg */ 2049 &sc_if->msk_cdata.msk_tx_tag); 2050 if (error != 0) { 2051 device_printf(sc_if->msk_if_dev, 2052 "failed to create Tx DMA tag\n"); 2053 goto fail; 2054 } 2055 2056 rxalign = 1; 2057 /* 2058 * Workaround hardware hang which seems to happen when Rx buffer 2059 * is not aligned on multiple of FIFO word(8 bytes). 2060 */ 2061 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2062 rxalign = MSK_RX_BUF_ALIGN; 2063 /* Create tag for Rx buffers. */ 2064 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2065 rxalign, 0, /* alignment, boundary */ 2066 BUS_SPACE_MAXADDR, /* lowaddr */ 2067 BUS_SPACE_MAXADDR, /* highaddr */ 2068 NULL, NULL, /* filter, filterarg */ 2069 MCLBYTES, /* maxsize */ 2070 1, /* nsegments */ 2071 MCLBYTES, /* maxsegsize */ 2072 0, /* flags */ 2073 NULL, NULL, /* lockfunc, lockarg */ 2074 &sc_if->msk_cdata.msk_rx_tag); 2075 if (error != 0) { 2076 device_printf(sc_if->msk_if_dev, 2077 "failed to create Rx DMA tag\n"); 2078 goto fail; 2079 } 2080 2081 /* Allocate DMA'able memory and load the DMA map for Tx ring. */ 2082 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_tx_ring_tag, 2083 (void **)&sc_if->msk_rdata.msk_tx_ring, BUS_DMA_WAITOK | 2084 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_tx_ring_map); 2085 if (error != 0) { 2086 device_printf(sc_if->msk_if_dev, 2087 "failed to allocate DMA'able memory for Tx ring\n"); 2088 goto fail; 2089 } 2090 2091 ctx.msk_busaddr = 0; 2092 error = bus_dmamap_load(sc_if->msk_cdata.msk_tx_ring_tag, 2093 sc_if->msk_cdata.msk_tx_ring_map, sc_if->msk_rdata.msk_tx_ring, 2094 MSK_TX_RING_SZ, msk_dmamap_cb, &ctx, 0); 2095 if (error != 0) { 2096 device_printf(sc_if->msk_if_dev, 2097 "failed to load DMA'able memory for Tx ring\n"); 2098 goto fail; 2099 } 2100 sc_if->msk_rdata.msk_tx_ring_paddr = ctx.msk_busaddr; 2101 2102 /* Allocate DMA'able memory and load the DMA map for Rx ring. */ 2103 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_rx_ring_tag, 2104 (void **)&sc_if->msk_rdata.msk_rx_ring, BUS_DMA_WAITOK | 2105 BUS_DMA_COHERENT | BUS_DMA_ZERO, &sc_if->msk_cdata.msk_rx_ring_map); 2106 if (error != 0) { 2107 device_printf(sc_if->msk_if_dev, 2108 "failed to allocate DMA'able memory for Rx ring\n"); 2109 goto fail; 2110 } 2111 2112 ctx.msk_busaddr = 0; 2113 error = bus_dmamap_load(sc_if->msk_cdata.msk_rx_ring_tag, 2114 sc_if->msk_cdata.msk_rx_ring_map, sc_if->msk_rdata.msk_rx_ring, 2115 MSK_RX_RING_SZ, msk_dmamap_cb, &ctx, 0); 2116 if (error != 0) { 2117 device_printf(sc_if->msk_if_dev, 2118 "failed to load DMA'able memory for Rx ring\n"); 2119 goto fail; 2120 } 2121 sc_if->msk_rdata.msk_rx_ring_paddr = ctx.msk_busaddr; 2122 2123 /* Create DMA maps for Tx buffers. */ 2124 for (i = 0; i < MSK_TX_RING_CNT; i++) { 2125 txd = &sc_if->msk_cdata.msk_txdesc[i]; 2126 txd->tx_m = NULL; 2127 txd->tx_dmamap = NULL; 2128 error = bus_dmamap_create(sc_if->msk_cdata.msk_tx_tag, 0, 2129 &txd->tx_dmamap); 2130 if (error != 0) { 2131 device_printf(sc_if->msk_if_dev, 2132 "failed to create Tx dmamap\n"); 2133 goto fail; 2134 } 2135 } 2136 /* Create DMA maps for Rx buffers. */ 2137 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0, 2138 &sc_if->msk_cdata.msk_rx_sparemap)) != 0) { 2139 device_printf(sc_if->msk_if_dev, 2140 "failed to create spare Rx dmamap\n"); 2141 goto fail; 2142 } 2143 for (i = 0; i < MSK_RX_RING_CNT; i++) { 2144 rxd = &sc_if->msk_cdata.msk_rxdesc[i]; 2145 rxd->rx_m = NULL; 2146 rxd->rx_dmamap = NULL; 2147 error = bus_dmamap_create(sc_if->msk_cdata.msk_rx_tag, 0, 2148 &rxd->rx_dmamap); 2149 if (error != 0) { 2150 device_printf(sc_if->msk_if_dev, 2151 "failed to create Rx dmamap\n"); 2152 goto fail; 2153 } 2154 } 2155 2156fail: 2157 return (error); 2158} 2159 2160static int 2161msk_rx_dma_jalloc(struct msk_if_softc *sc_if) 2162{ 2163 struct msk_dmamap_arg ctx; 2164 struct msk_rxdesc *jrxd; 2165 bus_size_t rxalign; 2166 int error, i; 2167
|
2161 if (jumbo_disable != 0 || (sc_if->msk_flags & MSK_FLAG_NOJUMBO) != 0) { 2162 sc_if->msk_flags |= MSK_FLAG_NOJUMBO;
| 2168 if (jumbo_disable != 0 || (sc_if->msk_flags & MSK_FLAG_JUMBO) == 0) { 2169 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
|
2163 device_printf(sc_if->msk_if_dev, 2164 "disabling jumbo frame support\n");
| 2170 device_printf(sc_if->msk_if_dev, 2171 "disabling jumbo frame support\n");
|
2165 sc_if->msk_flags |= MSK_FLAG_NOJUMBO;
| |
2166 return (0); 2167 } 2168 /* Create tag for jumbo Rx ring. */ 2169 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2170 MSK_RING_ALIGN, 0, /* alignment, boundary */ 2171 BUS_SPACE_MAXADDR, /* lowaddr */ 2172 BUS_SPACE_MAXADDR, /* highaddr */ 2173 NULL, NULL, /* filter, filterarg */ 2174 MSK_JUMBO_RX_RING_SZ, /* maxsize */ 2175 1, /* nsegments */ 2176 MSK_JUMBO_RX_RING_SZ, /* maxsegsize */ 2177 0, /* flags */ 2178 NULL, NULL, /* lockfunc, lockarg */ 2179 &sc_if->msk_cdata.msk_jumbo_rx_ring_tag); 2180 if (error != 0) { 2181 device_printf(sc_if->msk_if_dev, 2182 "failed to create jumbo Rx ring DMA tag\n"); 2183 goto jumbo_fail; 2184 } 2185 2186 rxalign = 1; 2187 /* 2188 * Workaround hardware hang which seems to happen when Rx buffer 2189 * is not aligned on multiple of FIFO word(8 bytes). 2190 */ 2191 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2192 rxalign = MSK_RX_BUF_ALIGN; 2193 /* Create tag for jumbo Rx buffers. */ 2194 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2195 rxalign, 0, /* alignment, boundary */ 2196 BUS_SPACE_MAXADDR, /* lowaddr */ 2197 BUS_SPACE_MAXADDR, /* highaddr */ 2198 NULL, NULL, /* filter, filterarg */ 2199 MJUM9BYTES, /* maxsize */ 2200 1, /* nsegments */ 2201 MJUM9BYTES, /* maxsegsize */ 2202 0, /* flags */ 2203 NULL, NULL, /* lockfunc, lockarg */ 2204 &sc_if->msk_cdata.msk_jumbo_rx_tag); 2205 if (error != 0) { 2206 device_printf(sc_if->msk_if_dev, 2207 "failed to create jumbo Rx DMA tag\n"); 2208 goto jumbo_fail; 2209 } 2210 2211 /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */ 2212 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2213 (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring, 2214 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, 2215 &sc_if->msk_cdata.msk_jumbo_rx_ring_map); 2216 if (error != 0) { 2217 device_printf(sc_if->msk_if_dev, 2218 "failed to allocate DMA'able memory for jumbo Rx ring\n"); 2219 goto jumbo_fail; 2220 } 2221 2222 ctx.msk_busaddr = 0; 2223 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2224 sc_if->msk_cdata.msk_jumbo_rx_ring_map, 2225 sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ, 2226 msk_dmamap_cb, &ctx, 0); 2227 if (error != 0) { 2228 device_printf(sc_if->msk_if_dev, 2229 "failed to load DMA'able memory for jumbo Rx ring\n"); 2230 goto jumbo_fail; 2231 } 2232 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr; 2233 2234 /* Create DMA maps for jumbo Rx buffers. */ 2235 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0, 2236 &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) { 2237 device_printf(sc_if->msk_if_dev, 2238 "failed to create spare jumbo Rx dmamap\n"); 2239 goto jumbo_fail; 2240 } 2241 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 2242 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; 2243 jrxd->rx_m = NULL; 2244 jrxd->rx_dmamap = NULL; 2245 error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0, 2246 &jrxd->rx_dmamap); 2247 if (error != 0) { 2248 device_printf(sc_if->msk_if_dev, 2249 "failed to create jumbo Rx dmamap\n"); 2250 goto jumbo_fail; 2251 } 2252 } 2253 2254 return (0); 2255 2256jumbo_fail: 2257 msk_rx_dma_jfree(sc_if); 2258 device_printf(sc_if->msk_if_dev, "disabling jumbo frame support " 2259 "due to resource shortage\n");
| 2172 return (0); 2173 } 2174 /* Create tag for jumbo Rx ring. */ 2175 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2176 MSK_RING_ALIGN, 0, /* alignment, boundary */ 2177 BUS_SPACE_MAXADDR, /* lowaddr */ 2178 BUS_SPACE_MAXADDR, /* highaddr */ 2179 NULL, NULL, /* filter, filterarg */ 2180 MSK_JUMBO_RX_RING_SZ, /* maxsize */ 2181 1, /* nsegments */ 2182 MSK_JUMBO_RX_RING_SZ, /* maxsegsize */ 2183 0, /* flags */ 2184 NULL, NULL, /* lockfunc, lockarg */ 2185 &sc_if->msk_cdata.msk_jumbo_rx_ring_tag); 2186 if (error != 0) { 2187 device_printf(sc_if->msk_if_dev, 2188 "failed to create jumbo Rx ring DMA tag\n"); 2189 goto jumbo_fail; 2190 } 2191 2192 rxalign = 1; 2193 /* 2194 * Workaround hardware hang which seems to happen when Rx buffer 2195 * is not aligned on multiple of FIFO word(8 bytes). 2196 */ 2197 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2198 rxalign = MSK_RX_BUF_ALIGN; 2199 /* Create tag for jumbo Rx buffers. */ 2200 error = bus_dma_tag_create(sc_if->msk_cdata.msk_parent_tag,/* parent */ 2201 rxalign, 0, /* alignment, boundary */ 2202 BUS_SPACE_MAXADDR, /* lowaddr */ 2203 BUS_SPACE_MAXADDR, /* highaddr */ 2204 NULL, NULL, /* filter, filterarg */ 2205 MJUM9BYTES, /* maxsize */ 2206 1, /* nsegments */ 2207 MJUM9BYTES, /* maxsegsize */ 2208 0, /* flags */ 2209 NULL, NULL, /* lockfunc, lockarg */ 2210 &sc_if->msk_cdata.msk_jumbo_rx_tag); 2211 if (error != 0) { 2212 device_printf(sc_if->msk_if_dev, 2213 "failed to create jumbo Rx DMA tag\n"); 2214 goto jumbo_fail; 2215 } 2216 2217 /* Allocate DMA'able memory and load the DMA map for jumbo Rx ring. */ 2218 error = bus_dmamem_alloc(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2219 (void **)&sc_if->msk_rdata.msk_jumbo_rx_ring, 2220 BUS_DMA_WAITOK | BUS_DMA_COHERENT | BUS_DMA_ZERO, 2221 &sc_if->msk_cdata.msk_jumbo_rx_ring_map); 2222 if (error != 0) { 2223 device_printf(sc_if->msk_if_dev, 2224 "failed to allocate DMA'able memory for jumbo Rx ring\n"); 2225 goto jumbo_fail; 2226 } 2227 2228 ctx.msk_busaddr = 0; 2229 error = bus_dmamap_load(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2230 sc_if->msk_cdata.msk_jumbo_rx_ring_map, 2231 sc_if->msk_rdata.msk_jumbo_rx_ring, MSK_JUMBO_RX_RING_SZ, 2232 msk_dmamap_cb, &ctx, 0); 2233 if (error != 0) { 2234 device_printf(sc_if->msk_if_dev, 2235 "failed to load DMA'able memory for jumbo Rx ring\n"); 2236 goto jumbo_fail; 2237 } 2238 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr = ctx.msk_busaddr; 2239 2240 /* Create DMA maps for jumbo Rx buffers. */ 2241 if ((error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0, 2242 &sc_if->msk_cdata.msk_jumbo_rx_sparemap)) != 0) { 2243 device_printf(sc_if->msk_if_dev, 2244 "failed to create spare jumbo Rx dmamap\n"); 2245 goto jumbo_fail; 2246 } 2247 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 2248 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; 2249 jrxd->rx_m = NULL; 2250 jrxd->rx_dmamap = NULL; 2251 error = bus_dmamap_create(sc_if->msk_cdata.msk_jumbo_rx_tag, 0, 2252 &jrxd->rx_dmamap); 2253 if (error != 0) { 2254 device_printf(sc_if->msk_if_dev, 2255 "failed to create jumbo Rx dmamap\n"); 2256 goto jumbo_fail; 2257 } 2258 } 2259 2260 return (0); 2261 2262jumbo_fail: 2263 msk_rx_dma_jfree(sc_if); 2264 device_printf(sc_if->msk_if_dev, "disabling jumbo frame support " 2265 "due to resource shortage\n");
|
2260 sc_if->msk_flags |= MSK_FLAG_NOJUMBO;
| 2266 sc_if->msk_flags &= ~MSK_FLAG_JUMBO;
|
2261 return (error); 2262} 2263 2264static void 2265msk_txrx_dma_free(struct msk_if_softc *sc_if) 2266{ 2267 struct msk_txdesc *txd; 2268 struct msk_rxdesc *rxd; 2269 int i; 2270 2271 /* Tx ring. */ 2272 if (sc_if->msk_cdata.msk_tx_ring_tag) { 2273 if (sc_if->msk_cdata.msk_tx_ring_map) 2274 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag, 2275 sc_if->msk_cdata.msk_tx_ring_map); 2276 if (sc_if->msk_cdata.msk_tx_ring_map && 2277 sc_if->msk_rdata.msk_tx_ring) 2278 bus_dmamem_free(sc_if->msk_cdata.msk_tx_ring_tag, 2279 sc_if->msk_rdata.msk_tx_ring, 2280 sc_if->msk_cdata.msk_tx_ring_map); 2281 sc_if->msk_rdata.msk_tx_ring = NULL; 2282 sc_if->msk_cdata.msk_tx_ring_map = NULL; 2283 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_ring_tag); 2284 sc_if->msk_cdata.msk_tx_ring_tag = NULL; 2285 } 2286 /* Rx ring. */ 2287 if (sc_if->msk_cdata.msk_rx_ring_tag) { 2288 if (sc_if->msk_cdata.msk_rx_ring_map) 2289 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag, 2290 sc_if->msk_cdata.msk_rx_ring_map); 2291 if (sc_if->msk_cdata.msk_rx_ring_map && 2292 sc_if->msk_rdata.msk_rx_ring) 2293 bus_dmamem_free(sc_if->msk_cdata.msk_rx_ring_tag, 2294 sc_if->msk_rdata.msk_rx_ring, 2295 sc_if->msk_cdata.msk_rx_ring_map); 2296 sc_if->msk_rdata.msk_rx_ring = NULL; 2297 sc_if->msk_cdata.msk_rx_ring_map = NULL; 2298 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag); 2299 sc_if->msk_cdata.msk_rx_ring_tag = NULL; 2300 } 2301 /* Tx buffers. */ 2302 if (sc_if->msk_cdata.msk_tx_tag) { 2303 for (i = 0; i < MSK_TX_RING_CNT; i++) { 2304 txd = &sc_if->msk_cdata.msk_txdesc[i]; 2305 if (txd->tx_dmamap) { 2306 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag, 2307 txd->tx_dmamap); 2308 txd->tx_dmamap = NULL; 2309 } 2310 } 2311 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag); 2312 sc_if->msk_cdata.msk_tx_tag = NULL; 2313 } 2314 /* Rx buffers. */ 2315 if (sc_if->msk_cdata.msk_rx_tag) { 2316 for (i = 0; i < MSK_RX_RING_CNT; i++) { 2317 rxd = &sc_if->msk_cdata.msk_rxdesc[i]; 2318 if (rxd->rx_dmamap) { 2319 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag, 2320 rxd->rx_dmamap); 2321 rxd->rx_dmamap = NULL; 2322 } 2323 } 2324 if (sc_if->msk_cdata.msk_rx_sparemap) { 2325 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag, 2326 sc_if->msk_cdata.msk_rx_sparemap); 2327 sc_if->msk_cdata.msk_rx_sparemap = 0; 2328 } 2329 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag); 2330 sc_if->msk_cdata.msk_rx_tag = NULL; 2331 } 2332 if (sc_if->msk_cdata.msk_parent_tag) { 2333 bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag); 2334 sc_if->msk_cdata.msk_parent_tag = NULL; 2335 } 2336} 2337 2338static void 2339msk_rx_dma_jfree(struct msk_if_softc *sc_if) 2340{ 2341 struct msk_rxdesc *jrxd; 2342 int i; 2343 2344 /* Jumbo Rx ring. */ 2345 if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) { 2346 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map) 2347 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2348 sc_if->msk_cdata.msk_jumbo_rx_ring_map); 2349 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map && 2350 sc_if->msk_rdata.msk_jumbo_rx_ring) 2351 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2352 sc_if->msk_rdata.msk_jumbo_rx_ring, 2353 sc_if->msk_cdata.msk_jumbo_rx_ring_map); 2354 sc_if->msk_rdata.msk_jumbo_rx_ring = NULL; 2355 sc_if->msk_cdata.msk_jumbo_rx_ring_map = NULL; 2356 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag); 2357 sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL; 2358 } 2359 /* Jumbo Rx buffers. */ 2360 if (sc_if->msk_cdata.msk_jumbo_rx_tag) { 2361 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 2362 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; 2363 if (jrxd->rx_dmamap) { 2364 bus_dmamap_destroy( 2365 sc_if->msk_cdata.msk_jumbo_rx_tag, 2366 jrxd->rx_dmamap); 2367 jrxd->rx_dmamap = NULL; 2368 } 2369 } 2370 if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) { 2371 bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag, 2372 sc_if->msk_cdata.msk_jumbo_rx_sparemap); 2373 sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0; 2374 } 2375 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag); 2376 sc_if->msk_cdata.msk_jumbo_rx_tag = NULL; 2377 } 2378} 2379 2380static int 2381msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head) 2382{ 2383 struct msk_txdesc *txd, *txd_last; 2384 struct msk_tx_desc *tx_le; 2385 struct mbuf *m; 2386 bus_dmamap_t map; 2387 bus_dma_segment_t txsegs[MSK_MAXTXSEGS]; 2388 uint32_t control, prod, si; 2389 uint16_t offset, tcp_offset, tso_mtu; 2390 int error, i, nseg, tso; 2391 2392 MSK_IF_LOCK_ASSERT(sc_if); 2393 2394 tcp_offset = offset = 0; 2395 m = *m_head; 2396 if ((m->m_pkthdr.csum_flags & (MSK_CSUM_FEATURES | CSUM_TSO)) != 0) { 2397 /* 2398 * Since mbuf has no protocol specific structure information 2399 * in it we have to inspect protocol information here to 2400 * setup TSO and checksum offload. I don't know why Marvell 2401 * made a such decision in chip design because other GigE 2402 * hardwares normally takes care of all these chores in 2403 * hardware. However, TSO performance of Yukon II is very 2404 * good such that it's worth to implement it. 2405 */ 2406 struct ether_header *eh; 2407 struct ip *ip; 2408 struct tcphdr *tcp; 2409 2410 if (M_WRITABLE(m) == 0) { 2411 /* Get a writable copy. */ 2412 m = m_dup(*m_head, M_DONTWAIT); 2413 m_freem(*m_head); 2414 if (m == NULL) { 2415 *m_head = NULL; 2416 return (ENOBUFS); 2417 } 2418 *m_head = m; 2419 } 2420 2421 offset = sizeof(struct ether_header); 2422 m = m_pullup(m, offset); 2423 if (m == NULL) { 2424 *m_head = NULL; 2425 return (ENOBUFS); 2426 } 2427 eh = mtod(m, struct ether_header *); 2428 /* Check if hardware VLAN insertion is off. */ 2429 if (eh->ether_type == htons(ETHERTYPE_VLAN)) { 2430 offset = sizeof(struct ether_vlan_header); 2431 m = m_pullup(m, offset); 2432 if (m == NULL) { 2433 *m_head = NULL; 2434 return (ENOBUFS); 2435 } 2436 } 2437 m = m_pullup(m, offset + sizeof(struct ip)); 2438 if (m == NULL) { 2439 *m_head = NULL; 2440 return (ENOBUFS); 2441 } 2442 ip = (struct ip *)(mtod(m, char *) + offset); 2443 offset += (ip->ip_hl << 2); 2444 tcp_offset = offset; 2445 /* 2446 * It seems that Yukon II has Tx checksum offload bug for 2447 * small TCP packets that's less than 60 bytes in size 2448 * (e.g. TCP window probe packet, pure ACK packet). 2449 * Common work around like padding with zeros to make the 2450 * frame minimum ethernet frame size didn't work at all. 2451 * Instead of disabling checksum offload completely we 2452 * resort to S/W checksum routine when we encounter short 2453 * TCP frames. 2454 * Short UDP packets appear to be handled correctly by 2455 * Yukon II. 2456 */ 2457 if (m->m_pkthdr.len < MSK_MIN_FRAMELEN && 2458 (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) { 2459 m = m_pullup(m, offset + sizeof(struct tcphdr)); 2460 if (m == NULL) { 2461 *m_head = NULL; 2462 return (ENOBUFS); 2463 } 2464 *(uint16_t *)(m->m_data + offset + 2465 m->m_pkthdr.csum_data) = in_cksum_skip(m, 2466 m->m_pkthdr.len, offset); 2467 m->m_pkthdr.csum_flags &= ~CSUM_TCP; 2468 } 2469 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) { 2470 m = m_pullup(m, offset + sizeof(struct tcphdr)); 2471 if (m == NULL) { 2472 *m_head = NULL; 2473 return (ENOBUFS); 2474 } 2475 tcp = (struct tcphdr *)(mtod(m, char *) + offset); 2476 offset += (tcp->th_off << 2); 2477 } 2478 *m_head = m; 2479 } 2480 2481 prod = sc_if->msk_cdata.msk_tx_prod; 2482 txd = &sc_if->msk_cdata.msk_txdesc[prod]; 2483 txd_last = txd; 2484 map = txd->tx_dmamap; 2485 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map, 2486 *m_head, txsegs, &nseg, BUS_DMA_NOWAIT); 2487 if (error == EFBIG) { 2488 m = m_collapse(*m_head, M_DONTWAIT, MSK_MAXTXSEGS); 2489 if (m == NULL) { 2490 m_freem(*m_head); 2491 *m_head = NULL; 2492 return (ENOBUFS); 2493 } 2494 *m_head = m; 2495 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, 2496 map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT); 2497 if (error != 0) { 2498 m_freem(*m_head); 2499 *m_head = NULL; 2500 return (error); 2501 } 2502 } else if (error != 0) 2503 return (error); 2504 if (nseg == 0) { 2505 m_freem(*m_head); 2506 *m_head = NULL; 2507 return (EIO); 2508 } 2509 2510 /* Check number of available descriptors. */ 2511 if (sc_if->msk_cdata.msk_tx_cnt + nseg >= 2512 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT)) { 2513 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, map); 2514 return (ENOBUFS); 2515 } 2516 2517 control = 0; 2518 tso = 0; 2519 tx_le = NULL; 2520 2521 /* Check TSO support. */ 2522 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) { 2523 tso_mtu = offset + m->m_pkthdr.tso_segsz; 2524 if (tso_mtu != sc_if->msk_cdata.msk_tso_mtu) { 2525 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2526 tx_le->msk_addr = htole32(tso_mtu); 2527 tx_le->msk_control = htole32(OP_LRGLEN | HW_OWNER); 2528 sc_if->msk_cdata.msk_tx_cnt++; 2529 MSK_INC(prod, MSK_TX_RING_CNT); 2530 sc_if->msk_cdata.msk_tso_mtu = tso_mtu; 2531 } 2532 tso++; 2533 } 2534 /* Check if we have a VLAN tag to insert. */ 2535 if ((m->m_flags & M_VLANTAG) != 0) { 2536 if (tso == 0) { 2537 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2538 tx_le->msk_addr = htole32(0); 2539 tx_le->msk_control = htole32(OP_VLAN | HW_OWNER | 2540 htons(m->m_pkthdr.ether_vtag)); 2541 sc_if->msk_cdata.msk_tx_cnt++; 2542 MSK_INC(prod, MSK_TX_RING_CNT); 2543 } else { 2544 tx_le->msk_control |= htole32(OP_VLAN | 2545 htons(m->m_pkthdr.ether_vtag)); 2546 } 2547 control |= INS_VLAN; 2548 } 2549 /* Check if we have to handle checksum offload. */ 2550 if (tso == 0 && (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) { 2551 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2552 tx_le->msk_addr = htole32(((tcp_offset + m->m_pkthdr.csum_data) 2553 & 0xffff) | ((uint32_t)tcp_offset << 16)); 2554 tx_le->msk_control = htole32(1 << 16 | (OP_TCPLISW | HW_OWNER)); 2555 control = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; 2556 if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0) 2557 control |= UDPTCP; 2558 sc_if->msk_cdata.msk_tx_cnt++; 2559 MSK_INC(prod, MSK_TX_RING_CNT); 2560 } 2561 2562 si = prod; 2563 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2564 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr)); 2565 if (tso == 0) 2566 tx_le->msk_control = htole32(txsegs[0].ds_len | control | 2567 OP_PACKET); 2568 else 2569 tx_le->msk_control = htole32(txsegs[0].ds_len | control | 2570 OP_LARGESEND); 2571 sc_if->msk_cdata.msk_tx_cnt++; 2572 MSK_INC(prod, MSK_TX_RING_CNT); 2573 2574 for (i = 1; i < nseg; i++) { 2575 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2576 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr)); 2577 tx_le->msk_control = htole32(txsegs[i].ds_len | control | 2578 OP_BUFFER | HW_OWNER); 2579 sc_if->msk_cdata.msk_tx_cnt++; 2580 MSK_INC(prod, MSK_TX_RING_CNT); 2581 } 2582 /* Update producer index. */ 2583 sc_if->msk_cdata.msk_tx_prod = prod; 2584 2585 /* Set EOP on the last desciptor. */ 2586 prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT; 2587 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2588 tx_le->msk_control |= htole32(EOP); 2589 2590 /* Turn the first descriptor ownership to hardware. */ 2591 tx_le = &sc_if->msk_rdata.msk_tx_ring[si]; 2592 tx_le->msk_control |= htole32(HW_OWNER); 2593 2594 txd = &sc_if->msk_cdata.msk_txdesc[prod]; 2595 map = txd_last->tx_dmamap; 2596 txd_last->tx_dmamap = txd->tx_dmamap; 2597 txd->tx_dmamap = map; 2598 txd->tx_m = m; 2599 2600 /* Sync descriptors. */ 2601 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE); 2602 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, 2603 sc_if->msk_cdata.msk_tx_ring_map, 2604 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 2605 2606 return (0); 2607} 2608 2609static void 2610msk_tx_task(void *arg, int pending) 2611{ 2612 struct ifnet *ifp; 2613 2614 ifp = arg; 2615 msk_start(ifp); 2616} 2617 2618static void 2619msk_start(struct ifnet *ifp) 2620{ 2621 struct msk_if_softc *sc_if; 2622 struct mbuf *m_head; 2623 int enq; 2624 2625 sc_if = ifp->if_softc; 2626 2627 MSK_IF_LOCK(sc_if); 2628 2629 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != 2630 IFF_DRV_RUNNING || (sc_if->msk_flags & MSK_FLAG_LINK) == 0) { 2631 MSK_IF_UNLOCK(sc_if); 2632 return; 2633 } 2634 2635 for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) && 2636 sc_if->msk_cdata.msk_tx_cnt < 2637 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT); ) { 2638 IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); 2639 if (m_head == NULL) 2640 break; 2641 /* 2642 * Pack the data into the transmit ring. If we 2643 * don't have room, set the OACTIVE flag and wait 2644 * for the NIC to drain the ring. 2645 */ 2646 if (msk_encap(sc_if, &m_head) != 0) { 2647 if (m_head == NULL) 2648 break; 2649 IFQ_DRV_PREPEND(&ifp->if_snd, m_head); 2650 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2651 break; 2652 } 2653 2654 enq++; 2655 /* 2656 * If there's a BPF listener, bounce a copy of this frame 2657 * to him. 2658 */ 2659 ETHER_BPF_MTAP(ifp, m_head); 2660 } 2661 2662 if (enq > 0) { 2663 /* Transmit */ 2664 CSR_WRITE_2(sc_if->msk_softc, 2665 Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG), 2666 sc_if->msk_cdata.msk_tx_prod); 2667 2668 /* Set a timeout in case the chip goes out to lunch. */ 2669 sc_if->msk_watchdog_timer = MSK_TX_TIMEOUT; 2670 } 2671 2672 MSK_IF_UNLOCK(sc_if); 2673} 2674 2675static void 2676msk_watchdog(struct msk_if_softc *sc_if) 2677{ 2678 struct ifnet *ifp; 2679 uint32_t ridx; 2680 int idx; 2681 2682 MSK_IF_LOCK_ASSERT(sc_if); 2683 2684 if (sc_if->msk_watchdog_timer == 0 || --sc_if->msk_watchdog_timer) 2685 return; 2686 ifp = sc_if->msk_ifp; 2687 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0) { 2688 if (bootverbose) 2689 if_printf(sc_if->msk_ifp, "watchdog timeout " 2690 "(missed link)\n"); 2691 ifp->if_oerrors++; 2692 msk_init_locked(sc_if); 2693 return; 2694 } 2695 2696 /* 2697 * Reclaim first as there is a possibility of losing Tx completion 2698 * interrupts. 2699 */ 2700 ridx = sc_if->msk_port == MSK_PORT_A ? STAT_TXA1_RIDX : STAT_TXA2_RIDX; 2701 idx = CSR_READ_2(sc_if->msk_softc, ridx); 2702 if (sc_if->msk_cdata.msk_tx_cons != idx) { 2703 msk_txeof(sc_if, idx); 2704 if (sc_if->msk_cdata.msk_tx_cnt == 0) { 2705 if_printf(ifp, "watchdog timeout (missed Tx interrupts) " 2706 "-- recovering\n"); 2707 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 2708 taskqueue_enqueue(taskqueue_fast, 2709 &sc_if->msk_tx_task); 2710 return; 2711 } 2712 } 2713 2714 if_printf(ifp, "watchdog timeout\n"); 2715 ifp->if_oerrors++; 2716 msk_init_locked(sc_if); 2717 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 2718 taskqueue_enqueue(taskqueue_fast, &sc_if->msk_tx_task); 2719} 2720 2721static int 2722mskc_shutdown(device_t dev) 2723{ 2724 struct msk_softc *sc; 2725 int i; 2726 2727 sc = device_get_softc(dev); 2728 MSK_LOCK(sc); 2729 for (i = 0; i < sc->msk_num_port; i++) { 2730 if (sc->msk_if[i] != NULL) 2731 msk_stop(sc->msk_if[i]); 2732 } 2733 2734 /* Disable all interrupts. */ 2735 CSR_WRITE_4(sc, B0_IMSK, 0); 2736 CSR_READ_4(sc, B0_IMSK); 2737 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 2738 CSR_READ_4(sc, B0_HWE_IMSK); 2739 2740 /* Put hardware reset. */ 2741 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 2742 2743 MSK_UNLOCK(sc); 2744 return (0); 2745} 2746 2747static int 2748mskc_suspend(device_t dev) 2749{ 2750 struct msk_softc *sc; 2751 int i; 2752 2753 sc = device_get_softc(dev); 2754 2755 MSK_LOCK(sc); 2756 2757 for (i = 0; i < sc->msk_num_port; i++) { 2758 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL && 2759 ((sc->msk_if[i]->msk_ifp->if_drv_flags & 2760 IFF_DRV_RUNNING) != 0)) 2761 msk_stop(sc->msk_if[i]); 2762 } 2763 2764 /* Disable all interrupts. */ 2765 CSR_WRITE_4(sc, B0_IMSK, 0); 2766 CSR_READ_4(sc, B0_IMSK); 2767 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 2768 CSR_READ_4(sc, B0_HWE_IMSK); 2769 2770 msk_phy_power(sc, MSK_PHY_POWERDOWN); 2771 2772 /* Put hardware reset. */ 2773 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 2774 sc->msk_pflags |= MSK_FLAG_SUSPEND; 2775 2776 MSK_UNLOCK(sc); 2777 2778 return (0); 2779} 2780 2781static int 2782mskc_resume(device_t dev) 2783{ 2784 struct msk_softc *sc; 2785 int i; 2786 2787 sc = device_get_softc(dev); 2788 2789 MSK_LOCK(sc); 2790 2791 mskc_reset(sc); 2792 for (i = 0; i < sc->msk_num_port; i++) { 2793 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL && 2794 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0)) 2795 msk_init_locked(sc->msk_if[i]); 2796 } 2797 sc->msk_pflags &= MSK_FLAG_SUSPEND; 2798 2799 MSK_UNLOCK(sc); 2800 2801 return (0); 2802} 2803 2804#ifndef __NO_STRICT_ALIGNMENT 2805static __inline void 2806msk_fixup_rx(struct mbuf *m) 2807{ 2808 int i; 2809 uint16_t *src, *dst; 2810 2811 src = mtod(m, uint16_t *); 2812 dst = src - 3; 2813 2814 for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++) 2815 *dst++ = *src++; 2816 2817 m->m_data -= (MSK_RX_BUF_ALIGN - ETHER_ALIGN); 2818} 2819#endif 2820 2821static void 2822msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len) 2823{ 2824 struct mbuf *m; 2825 struct ifnet *ifp; 2826 struct msk_rxdesc *rxd; 2827 int cons, rxlen; 2828 2829 ifp = sc_if->msk_ifp; 2830 2831 MSK_IF_LOCK_ASSERT(sc_if); 2832 2833 cons = sc_if->msk_cdata.msk_rx_cons; 2834 do { 2835 rxlen = status >> 16; 2836 if ((status & GMR_FS_VLAN) != 0 && 2837 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) 2838 rxlen -= ETHER_VLAN_ENCAP_LEN; 2839 if (len > sc_if->msk_framesize || 2840 ((status & GMR_FS_ANY_ERR) != 0) || 2841 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) { 2842 /* Don't count flow-control packet as errors. */ 2843 if ((status & GMR_FS_GOOD_FC) == 0) 2844 ifp->if_ierrors++; 2845 msk_discard_rxbuf(sc_if, cons); 2846 break; 2847 } 2848 rxd = &sc_if->msk_cdata.msk_rxdesc[cons]; 2849 m = rxd->rx_m; 2850 if (msk_newbuf(sc_if, cons) != 0) { 2851 ifp->if_iqdrops++; 2852 /* Reuse old buffer. */ 2853 msk_discard_rxbuf(sc_if, cons); 2854 break; 2855 } 2856 m->m_pkthdr.rcvif = ifp; 2857 m->m_pkthdr.len = m->m_len = len; 2858#ifndef __NO_STRICT_ALIGNMENT 2859 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2860 msk_fixup_rx(m); 2861#endif 2862 ifp->if_ipackets++; 2863 /* Check for VLAN tagged packets. */ 2864 if ((status & GMR_FS_VLAN) != 0 && 2865 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { 2866 m->m_pkthdr.ether_vtag = sc_if->msk_vtag; 2867 m->m_flags |= M_VLANTAG; 2868 } 2869 MSK_IF_UNLOCK(sc_if); 2870 (*ifp->if_input)(ifp, m); 2871 MSK_IF_LOCK(sc_if); 2872 } while (0); 2873 2874 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT); 2875 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT); 2876} 2877 2878static void 2879msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len) 2880{ 2881 struct mbuf *m; 2882 struct ifnet *ifp; 2883 struct msk_rxdesc *jrxd; 2884 int cons, rxlen; 2885 2886 ifp = sc_if->msk_ifp; 2887 2888 MSK_IF_LOCK_ASSERT(sc_if); 2889 2890 cons = sc_if->msk_cdata.msk_rx_cons; 2891 do { 2892 rxlen = status >> 16; 2893 if ((status & GMR_FS_VLAN) != 0 && 2894 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) 2895 rxlen -= ETHER_VLAN_ENCAP_LEN; 2896 if (len > sc_if->msk_framesize || 2897 ((status & GMR_FS_ANY_ERR) != 0) || 2898 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) { 2899 /* Don't count flow-control packet as errors. */ 2900 if ((status & GMR_FS_GOOD_FC) == 0) 2901 ifp->if_ierrors++; 2902 msk_discard_jumbo_rxbuf(sc_if, cons); 2903 break; 2904 } 2905 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons]; 2906 m = jrxd->rx_m; 2907 if (msk_jumbo_newbuf(sc_if, cons) != 0) { 2908 ifp->if_iqdrops++; 2909 /* Reuse old buffer. */ 2910 msk_discard_jumbo_rxbuf(sc_if, cons); 2911 break; 2912 } 2913 m->m_pkthdr.rcvif = ifp; 2914 m->m_pkthdr.len = m->m_len = len; 2915#ifndef __NO_STRICT_ALIGNMENT 2916 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2917 msk_fixup_rx(m); 2918#endif 2919 ifp->if_ipackets++; 2920 /* Check for VLAN tagged packets. */ 2921 if ((status & GMR_FS_VLAN) != 0 && 2922 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { 2923 m->m_pkthdr.ether_vtag = sc_if->msk_vtag; 2924 m->m_flags |= M_VLANTAG; 2925 } 2926 MSK_IF_UNLOCK(sc_if); 2927 (*ifp->if_input)(ifp, m); 2928 MSK_IF_LOCK(sc_if); 2929 } while (0); 2930 2931 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT); 2932 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT); 2933} 2934 2935static void 2936msk_txeof(struct msk_if_softc *sc_if, int idx) 2937{ 2938 struct msk_txdesc *txd; 2939 struct msk_tx_desc *cur_tx; 2940 struct ifnet *ifp; 2941 uint32_t control; 2942 int cons, prog; 2943 2944 MSK_IF_LOCK_ASSERT(sc_if); 2945 2946 ifp = sc_if->msk_ifp; 2947 2948 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, 2949 sc_if->msk_cdata.msk_tx_ring_map, 2950 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 2951 /* 2952 * Go through our tx ring and free mbufs for those 2953 * frames that have been sent. 2954 */ 2955 cons = sc_if->msk_cdata.msk_tx_cons; 2956 prog = 0; 2957 for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) { 2958 if (sc_if->msk_cdata.msk_tx_cnt <= 0) 2959 break; 2960 prog++; 2961 cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons]; 2962 control = le32toh(cur_tx->msk_control); 2963 sc_if->msk_cdata.msk_tx_cnt--; 2964 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2965 if ((control & EOP) == 0) 2966 continue; 2967 txd = &sc_if->msk_cdata.msk_txdesc[cons]; 2968 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap, 2969 BUS_DMASYNC_POSTWRITE); 2970 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap); 2971 2972 ifp->if_opackets++; 2973 KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!", 2974 __func__)); 2975 m_freem(txd->tx_m); 2976 txd->tx_m = NULL; 2977 } 2978 2979 if (prog > 0) { 2980 sc_if->msk_cdata.msk_tx_cons = cons; 2981 if (sc_if->msk_cdata.msk_tx_cnt == 0) 2982 sc_if->msk_watchdog_timer = 0; 2983 /* No need to sync LEs as we didn't update LEs. */ 2984 } 2985} 2986 2987static void 2988msk_tick(void *xsc_if) 2989{ 2990 struct msk_if_softc *sc_if; 2991 struct mii_data *mii; 2992 2993 sc_if = xsc_if; 2994 2995 MSK_IF_LOCK_ASSERT(sc_if); 2996 2997 mii = device_get_softc(sc_if->msk_miibus); 2998 2999 mii_tick(mii); 3000 msk_watchdog(sc_if); 3001 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if); 3002} 3003 3004static void 3005msk_intr_phy(struct msk_if_softc *sc_if) 3006{ 3007 uint16_t status; 3008 3009 msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT); 3010 status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT); 3011 /* Handle FIFO Underrun/Overflow? */ 3012 if ((status & PHY_M_IS_FIFO_ERROR)) 3013 device_printf(sc_if->msk_if_dev, 3014 "PHY FIFO underrun/overflow.\n"); 3015} 3016 3017static void 3018msk_intr_gmac(struct msk_if_softc *sc_if) 3019{ 3020 struct msk_softc *sc; 3021 uint8_t status; 3022 3023 sc = sc_if->msk_softc; 3024 status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC)); 3025 3026 /* GMAC Rx FIFO overrun. */ 3027 if ((status & GM_IS_RX_FF_OR) != 0) { 3028 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 3029 GMF_CLI_RX_FO); 3030 device_printf(sc_if->msk_if_dev, "Rx FIFO overrun!\n"); 3031 } 3032 /* GMAC Tx FIFO underrun. */ 3033 if ((status & GM_IS_TX_FF_UR) != 0) { 3034 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3035 GMF_CLI_TX_FU); 3036 device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n"); 3037 /* 3038 * XXX 3039 * In case of Tx underrun, we may need to flush/reset 3040 * Tx MAC but that would also require resynchronization 3041 * with status LEs. Reintializing status LEs would 3042 * affect other port in dual MAC configuration so it 3043 * should be avoided as possible as we can. 3044 * Due to lack of documentation it's all vague guess but 3045 * it needs more investigation. 3046 */ 3047 } 3048} 3049 3050static void 3051msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status) 3052{ 3053 struct msk_softc *sc; 3054 3055 sc = sc_if->msk_softc; 3056 if ((status & Y2_IS_PAR_RD1) != 0) { 3057 device_printf(sc_if->msk_if_dev, 3058 "RAM buffer read parity error\n"); 3059 /* Clear IRQ. */ 3060 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL), 3061 RI_CLR_RD_PERR); 3062 } 3063 if ((status & Y2_IS_PAR_WR1) != 0) { 3064 device_printf(sc_if->msk_if_dev, 3065 "RAM buffer write parity error\n"); 3066 /* Clear IRQ. */ 3067 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL), 3068 RI_CLR_WR_PERR); 3069 } 3070 if ((status & Y2_IS_PAR_MAC1) != 0) { 3071 device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n"); 3072 /* Clear IRQ. */ 3073 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3074 GMF_CLI_TX_PE); 3075 } 3076 if ((status & Y2_IS_PAR_RX1) != 0) { 3077 device_printf(sc_if->msk_if_dev, "Rx parity error\n"); 3078 /* Clear IRQ. */ 3079 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR); 3080 } 3081 if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) { 3082 device_printf(sc_if->msk_if_dev, "TCP segmentation error\n"); 3083 /* Clear IRQ. */ 3084 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP); 3085 } 3086} 3087 3088static void 3089msk_intr_hwerr(struct msk_softc *sc) 3090{ 3091 uint32_t status; 3092 uint32_t tlphead[4]; 3093 3094 status = CSR_READ_4(sc, B0_HWE_ISRC); 3095 /* Time Stamp timer overflow. */ 3096 if ((status & Y2_IS_TIST_OV) != 0) 3097 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); 3098 if ((status & Y2_IS_PCI_NEXP) != 0) { 3099 /* 3100 * PCI Express Error occured which is not described in PEX 3101 * spec. 3102 * This error is also mapped either to Master Abort( 3103 * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and 3104 * can only be cleared there. 3105 */ 3106 device_printf(sc->msk_dev, 3107 "PCI Express protocol violation error\n"); 3108 } 3109 3110 if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) { 3111 uint16_t v16; 3112 3113 if ((status & Y2_IS_MST_ERR) != 0) 3114 device_printf(sc->msk_dev, 3115 "unexpected IRQ Status error\n"); 3116 else 3117 device_printf(sc->msk_dev, 3118 "unexpected IRQ Master error\n"); 3119 /* Reset all bits in the PCI status register. */ 3120 v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2); 3121 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 3122 pci_write_config(sc->msk_dev, PCIR_STATUS, v16 | 3123 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT | 3124 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2); 3125 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 3126 } 3127 3128 /* Check for PCI Express Uncorrectable Error. */ 3129 if ((status & Y2_IS_PCI_EXP) != 0) { 3130 uint32_t v32; 3131 3132 /* 3133 * On PCI Express bus bridges are called root complexes (RC). 3134 * PCI Express errors are recognized by the root complex too, 3135 * which requests the system to handle the problem. After 3136 * error occurence it may be that no access to the adapter 3137 * may be performed any longer. 3138 */ 3139 3140 v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT); 3141 if ((v32 & PEX_UNSUP_REQ) != 0) { 3142 /* Ignore unsupported request error. */ 3143 device_printf(sc->msk_dev, 3144 "Uncorrectable PCI Express error\n"); 3145 } 3146 if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) { 3147 int i; 3148 3149 /* Get TLP header form Log Registers. */ 3150 for (i = 0; i < 4; i++) 3151 tlphead[i] = CSR_PCI_READ_4(sc, 3152 PEX_HEADER_LOG + i * 4); 3153 /* Check for vendor defined broadcast message. */ 3154 if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) { 3155 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP; 3156 CSR_WRITE_4(sc, B0_HWE_IMSK, 3157 sc->msk_intrhwemask); 3158 CSR_READ_4(sc, B0_HWE_IMSK); 3159 } 3160 } 3161 /* Clear the interrupt. */ 3162 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 3163 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff); 3164 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 3165 } 3166 3167 if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL) 3168 msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status); 3169 if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL) 3170 msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8); 3171} 3172 3173static __inline void 3174msk_rxput(struct msk_if_softc *sc_if) 3175{ 3176 struct msk_softc *sc; 3177 3178 sc = sc_if->msk_softc; 3179 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) 3180 bus_dmamap_sync( 3181 sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 3182 sc_if->msk_cdata.msk_jumbo_rx_ring_map, 3183 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3184 else 3185 bus_dmamap_sync( 3186 sc_if->msk_cdata.msk_rx_ring_tag, 3187 sc_if->msk_cdata.msk_rx_ring_map, 3188 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3189 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, 3190 PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod); 3191} 3192 3193static int 3194msk_handle_events(struct msk_softc *sc) 3195{ 3196 struct msk_if_softc *sc_if; 3197 int rxput[2]; 3198 struct msk_stat_desc *sd; 3199 uint32_t control, status; 3200 int cons, idx, len, port, rxprog; 3201 3202 idx = CSR_READ_2(sc, STAT_PUT_IDX); 3203 if (idx == sc->msk_stat_cons) 3204 return (0); 3205 3206 /* Sync status LEs. */ 3207 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map, 3208 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 3209 /* XXX Sync Rx LEs here. */ 3210 3211 rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0; 3212 3213 rxprog = 0; 3214 for (cons = sc->msk_stat_cons; cons != idx;) { 3215 sd = &sc->msk_stat_ring[cons]; 3216 control = le32toh(sd->msk_control); 3217 if ((control & HW_OWNER) == 0) 3218 break; 3219 /* 3220 * Marvell's FreeBSD driver updates status LE after clearing 3221 * HW_OWNER. However we don't have a way to sync single LE 3222 * with bus_dma(9) API. bus_dma(9) provides a way to sync 3223 * an entire DMA map. So don't sync LE until we have a better 3224 * way to sync LEs. 3225 */ 3226 control &= ~HW_OWNER; 3227 sd->msk_control = htole32(control); 3228 status = le32toh(sd->msk_status); 3229 len = control & STLE_LEN_MASK; 3230 port = (control >> 16) & 0x01; 3231 sc_if = sc->msk_if[port]; 3232 if (sc_if == NULL) { 3233 device_printf(sc->msk_dev, "invalid port opcode " 3234 "0x%08x\n", control & STLE_OP_MASK); 3235 continue; 3236 } 3237 3238 switch (control & STLE_OP_MASK) { 3239 case OP_RXVLAN: 3240 sc_if->msk_vtag = ntohs(len); 3241 break; 3242 case OP_RXCHKSVLAN: 3243 sc_if->msk_vtag = ntohs(len); 3244 break; 3245 case OP_RXSTAT: 3246 if (sc_if->msk_framesize > 3247 (MCLBYTES - MSK_RX_BUF_ALIGN)) 3248 msk_jumbo_rxeof(sc_if, status, len); 3249 else 3250 msk_rxeof(sc_if, status, len); 3251 rxprog++; 3252 /* 3253 * Because there is no way to sync single Rx LE 3254 * put the DMA sync operation off until the end of 3255 * event processing. 3256 */ 3257 rxput[port]++; 3258 /* Update prefetch unit if we've passed water mark. */ 3259 if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) { 3260 msk_rxput(sc_if); 3261 rxput[port] = 0; 3262 } 3263 break; 3264 case OP_TXINDEXLE: 3265 if (sc->msk_if[MSK_PORT_A] != NULL) 3266 msk_txeof(sc->msk_if[MSK_PORT_A], 3267 status & STLE_TXA1_MSKL); 3268 if (sc->msk_if[MSK_PORT_B] != NULL) 3269 msk_txeof(sc->msk_if[MSK_PORT_B], 3270 ((status & STLE_TXA2_MSKL) >> 3271 STLE_TXA2_SHIFTL) | 3272 ((len & STLE_TXA2_MSKH) << 3273 STLE_TXA2_SHIFTH)); 3274 break; 3275 default: 3276 device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n", 3277 control & STLE_OP_MASK); 3278 break; 3279 } 3280 MSK_INC(cons, MSK_STAT_RING_CNT); 3281 if (rxprog > sc->msk_process_limit) 3282 break; 3283 } 3284 3285 sc->msk_stat_cons = cons; 3286 /* XXX We should sync status LEs here. See above notes. */ 3287 3288 if (rxput[MSK_PORT_A] > 0) 3289 msk_rxput(sc->msk_if[MSK_PORT_A]); 3290 if (rxput[MSK_PORT_B] > 0) 3291 msk_rxput(sc->msk_if[MSK_PORT_B]); 3292 3293 return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX)); 3294} 3295 3296/* Legacy interrupt handler for shared interrupt. */ 3297static void 3298msk_legacy_intr(void *xsc) 3299{ 3300 struct msk_softc *sc; 3301 struct msk_if_softc *sc_if0, *sc_if1; 3302 struct ifnet *ifp0, *ifp1; 3303 uint32_t status; 3304 3305 sc = xsc; 3306 MSK_LOCK(sc); 3307 3308 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */ 3309 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2); 3310 if (status == 0 || status == 0xffffffff || 3311 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 || 3312 (status & sc->msk_intrmask) == 0) { 3313 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3314 return; 3315 } 3316 3317 sc_if0 = sc->msk_if[MSK_PORT_A]; 3318 sc_if1 = sc->msk_if[MSK_PORT_B]; 3319 ifp0 = ifp1 = NULL; 3320 if (sc_if0 != NULL) 3321 ifp0 = sc_if0->msk_ifp; 3322 if (sc_if1 != NULL) 3323 ifp1 = sc_if1->msk_ifp; 3324 3325 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL) 3326 msk_intr_phy(sc_if0); 3327 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL) 3328 msk_intr_phy(sc_if1); 3329 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL) 3330 msk_intr_gmac(sc_if0); 3331 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL) 3332 msk_intr_gmac(sc_if1); 3333 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) { 3334 device_printf(sc->msk_dev, "Rx descriptor error\n"); 3335 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2); 3336 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3337 CSR_READ_4(sc, B0_IMSK); 3338 } 3339 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) { 3340 device_printf(sc->msk_dev, "Tx descriptor error\n"); 3341 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2); 3342 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3343 CSR_READ_4(sc, B0_IMSK); 3344 } 3345 if ((status & Y2_IS_HW_ERR) != 0) 3346 msk_intr_hwerr(sc); 3347 3348 while (msk_handle_events(sc) != 0) 3349 ; 3350 if ((status & Y2_IS_STAT_BMU) != 0) 3351 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ); 3352 3353 /* Reenable interrupts. */ 3354 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3355 3356 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3357 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd)) 3358 taskqueue_enqueue(taskqueue_fast, &sc_if0->msk_tx_task); 3359 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3360 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd)) 3361 taskqueue_enqueue(taskqueue_fast, &sc_if1->msk_tx_task); 3362 3363 MSK_UNLOCK(sc); 3364} 3365 3366static int 3367msk_intr(void *xsc) 3368{ 3369 struct msk_softc *sc; 3370 uint32_t status; 3371 3372 sc = xsc; 3373 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2); 3374 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */ 3375 if (status == 0 || status == 0xffffffff) { 3376 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3377 return (FILTER_STRAY); 3378 } 3379 3380 taskqueue_enqueue(sc->msk_tq, &sc->msk_int_task); 3381 return (FILTER_HANDLED); 3382} 3383 3384static void 3385msk_int_task(void *arg, int pending) 3386{ 3387 struct msk_softc *sc; 3388 struct msk_if_softc *sc_if0, *sc_if1; 3389 struct ifnet *ifp0, *ifp1; 3390 uint32_t status; 3391 int domore; 3392 3393 sc = arg; 3394 MSK_LOCK(sc); 3395 3396 /* Get interrupt source. */ 3397 status = CSR_READ_4(sc, B0_ISRC); 3398 if (status == 0 || status == 0xffffffff || 3399 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 || 3400 (status & sc->msk_intrmask) == 0) 3401 goto done; 3402 3403 sc_if0 = sc->msk_if[MSK_PORT_A]; 3404 sc_if1 = sc->msk_if[MSK_PORT_B]; 3405 ifp0 = ifp1 = NULL; 3406 if (sc_if0 != NULL) 3407 ifp0 = sc_if0->msk_ifp; 3408 if (sc_if1 != NULL) 3409 ifp1 = sc_if1->msk_ifp; 3410 3411 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL) 3412 msk_intr_phy(sc_if0); 3413 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL) 3414 msk_intr_phy(sc_if1); 3415 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL) 3416 msk_intr_gmac(sc_if0); 3417 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL) 3418 msk_intr_gmac(sc_if1); 3419 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) { 3420 device_printf(sc->msk_dev, "Rx descriptor error\n"); 3421 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2); 3422 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3423 CSR_READ_4(sc, B0_IMSK); 3424 } 3425 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) { 3426 device_printf(sc->msk_dev, "Tx descriptor error\n"); 3427 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2); 3428 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3429 CSR_READ_4(sc, B0_IMSK); 3430 } 3431 if ((status & Y2_IS_HW_ERR) != 0) 3432 msk_intr_hwerr(sc); 3433 3434 domore = msk_handle_events(sc); 3435 if ((status & Y2_IS_STAT_BMU) != 0) 3436 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ); 3437 3438 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3439 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd)) 3440 taskqueue_enqueue(taskqueue_fast, &sc_if0->msk_tx_task); 3441 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3442 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd)) 3443 taskqueue_enqueue(taskqueue_fast, &sc_if1->msk_tx_task); 3444 3445 if (domore > 0) { 3446 taskqueue_enqueue(sc->msk_tq, &sc->msk_int_task); 3447 MSK_UNLOCK(sc); 3448 return; 3449 } 3450done: 3451 MSK_UNLOCK(sc); 3452 3453 /* Reenable interrupts. */ 3454 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3455} 3456 3457static void 3458msk_init(void *xsc) 3459{ 3460 struct msk_if_softc *sc_if = xsc; 3461 3462 MSK_IF_LOCK(sc_if); 3463 msk_init_locked(sc_if); 3464 MSK_IF_UNLOCK(sc_if); 3465} 3466 3467static void 3468msk_init_locked(struct msk_if_softc *sc_if) 3469{ 3470 struct msk_softc *sc; 3471 struct ifnet *ifp; 3472 struct mii_data *mii; 3473 uint16_t eaddr[ETHER_ADDR_LEN / 2]; 3474 uint16_t gmac; 3475 int error, i; 3476 3477 MSK_IF_LOCK_ASSERT(sc_if); 3478 3479 ifp = sc_if->msk_ifp; 3480 sc = sc_if->msk_softc; 3481 mii = device_get_softc(sc_if->msk_miibus); 3482 3483 error = 0; 3484 /* Cancel pending I/O and free all Rx/Tx buffers. */ 3485 msk_stop(sc_if); 3486 3487 if (ifp->if_mtu < ETHERMTU) 3488 sc_if->msk_framesize = ETHERMTU; 3489 else 3490 sc_if->msk_framesize = ifp->if_mtu; 3491 sc_if->msk_framesize += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN; 3492 if (ifp->if_mtu > ETHERMTU &&
| 2267 return (error); 2268} 2269 2270static void 2271msk_txrx_dma_free(struct msk_if_softc *sc_if) 2272{ 2273 struct msk_txdesc *txd; 2274 struct msk_rxdesc *rxd; 2275 int i; 2276 2277 /* Tx ring. */ 2278 if (sc_if->msk_cdata.msk_tx_ring_tag) { 2279 if (sc_if->msk_cdata.msk_tx_ring_map) 2280 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_ring_tag, 2281 sc_if->msk_cdata.msk_tx_ring_map); 2282 if (sc_if->msk_cdata.msk_tx_ring_map && 2283 sc_if->msk_rdata.msk_tx_ring) 2284 bus_dmamem_free(sc_if->msk_cdata.msk_tx_ring_tag, 2285 sc_if->msk_rdata.msk_tx_ring, 2286 sc_if->msk_cdata.msk_tx_ring_map); 2287 sc_if->msk_rdata.msk_tx_ring = NULL; 2288 sc_if->msk_cdata.msk_tx_ring_map = NULL; 2289 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_ring_tag); 2290 sc_if->msk_cdata.msk_tx_ring_tag = NULL; 2291 } 2292 /* Rx ring. */ 2293 if (sc_if->msk_cdata.msk_rx_ring_tag) { 2294 if (sc_if->msk_cdata.msk_rx_ring_map) 2295 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_ring_tag, 2296 sc_if->msk_cdata.msk_rx_ring_map); 2297 if (sc_if->msk_cdata.msk_rx_ring_map && 2298 sc_if->msk_rdata.msk_rx_ring) 2299 bus_dmamem_free(sc_if->msk_cdata.msk_rx_ring_tag, 2300 sc_if->msk_rdata.msk_rx_ring, 2301 sc_if->msk_cdata.msk_rx_ring_map); 2302 sc_if->msk_rdata.msk_rx_ring = NULL; 2303 sc_if->msk_cdata.msk_rx_ring_map = NULL; 2304 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_ring_tag); 2305 sc_if->msk_cdata.msk_rx_ring_tag = NULL; 2306 } 2307 /* Tx buffers. */ 2308 if (sc_if->msk_cdata.msk_tx_tag) { 2309 for (i = 0; i < MSK_TX_RING_CNT; i++) { 2310 txd = &sc_if->msk_cdata.msk_txdesc[i]; 2311 if (txd->tx_dmamap) { 2312 bus_dmamap_destroy(sc_if->msk_cdata.msk_tx_tag, 2313 txd->tx_dmamap); 2314 txd->tx_dmamap = NULL; 2315 } 2316 } 2317 bus_dma_tag_destroy(sc_if->msk_cdata.msk_tx_tag); 2318 sc_if->msk_cdata.msk_tx_tag = NULL; 2319 } 2320 /* Rx buffers. */ 2321 if (sc_if->msk_cdata.msk_rx_tag) { 2322 for (i = 0; i < MSK_RX_RING_CNT; i++) { 2323 rxd = &sc_if->msk_cdata.msk_rxdesc[i]; 2324 if (rxd->rx_dmamap) { 2325 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag, 2326 rxd->rx_dmamap); 2327 rxd->rx_dmamap = NULL; 2328 } 2329 } 2330 if (sc_if->msk_cdata.msk_rx_sparemap) { 2331 bus_dmamap_destroy(sc_if->msk_cdata.msk_rx_tag, 2332 sc_if->msk_cdata.msk_rx_sparemap); 2333 sc_if->msk_cdata.msk_rx_sparemap = 0; 2334 } 2335 bus_dma_tag_destroy(sc_if->msk_cdata.msk_rx_tag); 2336 sc_if->msk_cdata.msk_rx_tag = NULL; 2337 } 2338 if (sc_if->msk_cdata.msk_parent_tag) { 2339 bus_dma_tag_destroy(sc_if->msk_cdata.msk_parent_tag); 2340 sc_if->msk_cdata.msk_parent_tag = NULL; 2341 } 2342} 2343 2344static void 2345msk_rx_dma_jfree(struct msk_if_softc *sc_if) 2346{ 2347 struct msk_rxdesc *jrxd; 2348 int i; 2349 2350 /* Jumbo Rx ring. */ 2351 if (sc_if->msk_cdata.msk_jumbo_rx_ring_tag) { 2352 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map) 2353 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2354 sc_if->msk_cdata.msk_jumbo_rx_ring_map); 2355 if (sc_if->msk_cdata.msk_jumbo_rx_ring_map && 2356 sc_if->msk_rdata.msk_jumbo_rx_ring) 2357 bus_dmamem_free(sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 2358 sc_if->msk_rdata.msk_jumbo_rx_ring, 2359 sc_if->msk_cdata.msk_jumbo_rx_ring_map); 2360 sc_if->msk_rdata.msk_jumbo_rx_ring = NULL; 2361 sc_if->msk_cdata.msk_jumbo_rx_ring_map = NULL; 2362 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_ring_tag); 2363 sc_if->msk_cdata.msk_jumbo_rx_ring_tag = NULL; 2364 } 2365 /* Jumbo Rx buffers. */ 2366 if (sc_if->msk_cdata.msk_jumbo_rx_tag) { 2367 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 2368 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; 2369 if (jrxd->rx_dmamap) { 2370 bus_dmamap_destroy( 2371 sc_if->msk_cdata.msk_jumbo_rx_tag, 2372 jrxd->rx_dmamap); 2373 jrxd->rx_dmamap = NULL; 2374 } 2375 } 2376 if (sc_if->msk_cdata.msk_jumbo_rx_sparemap) { 2377 bus_dmamap_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag, 2378 sc_if->msk_cdata.msk_jumbo_rx_sparemap); 2379 sc_if->msk_cdata.msk_jumbo_rx_sparemap = 0; 2380 } 2381 bus_dma_tag_destroy(sc_if->msk_cdata.msk_jumbo_rx_tag); 2382 sc_if->msk_cdata.msk_jumbo_rx_tag = NULL; 2383 } 2384} 2385 2386static int 2387msk_encap(struct msk_if_softc *sc_if, struct mbuf **m_head) 2388{ 2389 struct msk_txdesc *txd, *txd_last; 2390 struct msk_tx_desc *tx_le; 2391 struct mbuf *m; 2392 bus_dmamap_t map; 2393 bus_dma_segment_t txsegs[MSK_MAXTXSEGS]; 2394 uint32_t control, prod, si; 2395 uint16_t offset, tcp_offset, tso_mtu; 2396 int error, i, nseg, tso; 2397 2398 MSK_IF_LOCK_ASSERT(sc_if); 2399 2400 tcp_offset = offset = 0; 2401 m = *m_head; 2402 if ((m->m_pkthdr.csum_flags & (MSK_CSUM_FEATURES | CSUM_TSO)) != 0) { 2403 /* 2404 * Since mbuf has no protocol specific structure information 2405 * in it we have to inspect protocol information here to 2406 * setup TSO and checksum offload. I don't know why Marvell 2407 * made a such decision in chip design because other GigE 2408 * hardwares normally takes care of all these chores in 2409 * hardware. However, TSO performance of Yukon II is very 2410 * good such that it's worth to implement it. 2411 */ 2412 struct ether_header *eh; 2413 struct ip *ip; 2414 struct tcphdr *tcp; 2415 2416 if (M_WRITABLE(m) == 0) { 2417 /* Get a writable copy. */ 2418 m = m_dup(*m_head, M_DONTWAIT); 2419 m_freem(*m_head); 2420 if (m == NULL) { 2421 *m_head = NULL; 2422 return (ENOBUFS); 2423 } 2424 *m_head = m; 2425 } 2426 2427 offset = sizeof(struct ether_header); 2428 m = m_pullup(m, offset); 2429 if (m == NULL) { 2430 *m_head = NULL; 2431 return (ENOBUFS); 2432 } 2433 eh = mtod(m, struct ether_header *); 2434 /* Check if hardware VLAN insertion is off. */ 2435 if (eh->ether_type == htons(ETHERTYPE_VLAN)) { 2436 offset = sizeof(struct ether_vlan_header); 2437 m = m_pullup(m, offset); 2438 if (m == NULL) { 2439 *m_head = NULL; 2440 return (ENOBUFS); 2441 } 2442 } 2443 m = m_pullup(m, offset + sizeof(struct ip)); 2444 if (m == NULL) { 2445 *m_head = NULL; 2446 return (ENOBUFS); 2447 } 2448 ip = (struct ip *)(mtod(m, char *) + offset); 2449 offset += (ip->ip_hl << 2); 2450 tcp_offset = offset; 2451 /* 2452 * It seems that Yukon II has Tx checksum offload bug for 2453 * small TCP packets that's less than 60 bytes in size 2454 * (e.g. TCP window probe packet, pure ACK packet). 2455 * Common work around like padding with zeros to make the 2456 * frame minimum ethernet frame size didn't work at all. 2457 * Instead of disabling checksum offload completely we 2458 * resort to S/W checksum routine when we encounter short 2459 * TCP frames. 2460 * Short UDP packets appear to be handled correctly by 2461 * Yukon II. 2462 */ 2463 if (m->m_pkthdr.len < MSK_MIN_FRAMELEN && 2464 (m->m_pkthdr.csum_flags & CSUM_TCP) != 0) { 2465 m = m_pullup(m, offset + sizeof(struct tcphdr)); 2466 if (m == NULL) { 2467 *m_head = NULL; 2468 return (ENOBUFS); 2469 } 2470 *(uint16_t *)(m->m_data + offset + 2471 m->m_pkthdr.csum_data) = in_cksum_skip(m, 2472 m->m_pkthdr.len, offset); 2473 m->m_pkthdr.csum_flags &= ~CSUM_TCP; 2474 } 2475 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) { 2476 m = m_pullup(m, offset + sizeof(struct tcphdr)); 2477 if (m == NULL) { 2478 *m_head = NULL; 2479 return (ENOBUFS); 2480 } 2481 tcp = (struct tcphdr *)(mtod(m, char *) + offset); 2482 offset += (tcp->th_off << 2); 2483 } 2484 *m_head = m; 2485 } 2486 2487 prod = sc_if->msk_cdata.msk_tx_prod; 2488 txd = &sc_if->msk_cdata.msk_txdesc[prod]; 2489 txd_last = txd; 2490 map = txd->tx_dmamap; 2491 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, map, 2492 *m_head, txsegs, &nseg, BUS_DMA_NOWAIT); 2493 if (error == EFBIG) { 2494 m = m_collapse(*m_head, M_DONTWAIT, MSK_MAXTXSEGS); 2495 if (m == NULL) { 2496 m_freem(*m_head); 2497 *m_head = NULL; 2498 return (ENOBUFS); 2499 } 2500 *m_head = m; 2501 error = bus_dmamap_load_mbuf_sg(sc_if->msk_cdata.msk_tx_tag, 2502 map, *m_head, txsegs, &nseg, BUS_DMA_NOWAIT); 2503 if (error != 0) { 2504 m_freem(*m_head); 2505 *m_head = NULL; 2506 return (error); 2507 } 2508 } else if (error != 0) 2509 return (error); 2510 if (nseg == 0) { 2511 m_freem(*m_head); 2512 *m_head = NULL; 2513 return (EIO); 2514 } 2515 2516 /* Check number of available descriptors. */ 2517 if (sc_if->msk_cdata.msk_tx_cnt + nseg >= 2518 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT)) { 2519 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, map); 2520 return (ENOBUFS); 2521 } 2522 2523 control = 0; 2524 tso = 0; 2525 tx_le = NULL; 2526 2527 /* Check TSO support. */ 2528 if ((m->m_pkthdr.csum_flags & CSUM_TSO) != 0) { 2529 tso_mtu = offset + m->m_pkthdr.tso_segsz; 2530 if (tso_mtu != sc_if->msk_cdata.msk_tso_mtu) { 2531 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2532 tx_le->msk_addr = htole32(tso_mtu); 2533 tx_le->msk_control = htole32(OP_LRGLEN | HW_OWNER); 2534 sc_if->msk_cdata.msk_tx_cnt++; 2535 MSK_INC(prod, MSK_TX_RING_CNT); 2536 sc_if->msk_cdata.msk_tso_mtu = tso_mtu; 2537 } 2538 tso++; 2539 } 2540 /* Check if we have a VLAN tag to insert. */ 2541 if ((m->m_flags & M_VLANTAG) != 0) { 2542 if (tso == 0) { 2543 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2544 tx_le->msk_addr = htole32(0); 2545 tx_le->msk_control = htole32(OP_VLAN | HW_OWNER | 2546 htons(m->m_pkthdr.ether_vtag)); 2547 sc_if->msk_cdata.msk_tx_cnt++; 2548 MSK_INC(prod, MSK_TX_RING_CNT); 2549 } else { 2550 tx_le->msk_control |= htole32(OP_VLAN | 2551 htons(m->m_pkthdr.ether_vtag)); 2552 } 2553 control |= INS_VLAN; 2554 } 2555 /* Check if we have to handle checksum offload. */ 2556 if (tso == 0 && (m->m_pkthdr.csum_flags & MSK_CSUM_FEATURES) != 0) { 2557 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2558 tx_le->msk_addr = htole32(((tcp_offset + m->m_pkthdr.csum_data) 2559 & 0xffff) | ((uint32_t)tcp_offset << 16)); 2560 tx_le->msk_control = htole32(1 << 16 | (OP_TCPLISW | HW_OWNER)); 2561 control = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM; 2562 if ((m->m_pkthdr.csum_flags & CSUM_UDP) != 0) 2563 control |= UDPTCP; 2564 sc_if->msk_cdata.msk_tx_cnt++; 2565 MSK_INC(prod, MSK_TX_RING_CNT); 2566 } 2567 2568 si = prod; 2569 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2570 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[0].ds_addr)); 2571 if (tso == 0) 2572 tx_le->msk_control = htole32(txsegs[0].ds_len | control | 2573 OP_PACKET); 2574 else 2575 tx_le->msk_control = htole32(txsegs[0].ds_len | control | 2576 OP_LARGESEND); 2577 sc_if->msk_cdata.msk_tx_cnt++; 2578 MSK_INC(prod, MSK_TX_RING_CNT); 2579 2580 for (i = 1; i < nseg; i++) { 2581 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2582 tx_le->msk_addr = htole32(MSK_ADDR_LO(txsegs[i].ds_addr)); 2583 tx_le->msk_control = htole32(txsegs[i].ds_len | control | 2584 OP_BUFFER | HW_OWNER); 2585 sc_if->msk_cdata.msk_tx_cnt++; 2586 MSK_INC(prod, MSK_TX_RING_CNT); 2587 } 2588 /* Update producer index. */ 2589 sc_if->msk_cdata.msk_tx_prod = prod; 2590 2591 /* Set EOP on the last desciptor. */ 2592 prod = (prod + MSK_TX_RING_CNT - 1) % MSK_TX_RING_CNT; 2593 tx_le = &sc_if->msk_rdata.msk_tx_ring[prod]; 2594 tx_le->msk_control |= htole32(EOP); 2595 2596 /* Turn the first descriptor ownership to hardware. */ 2597 tx_le = &sc_if->msk_rdata.msk_tx_ring[si]; 2598 tx_le->msk_control |= htole32(HW_OWNER); 2599 2600 txd = &sc_if->msk_cdata.msk_txdesc[prod]; 2601 map = txd_last->tx_dmamap; 2602 txd_last->tx_dmamap = txd->tx_dmamap; 2603 txd->tx_dmamap = map; 2604 txd->tx_m = m; 2605 2606 /* Sync descriptors. */ 2607 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, map, BUS_DMASYNC_PREWRITE); 2608 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, 2609 sc_if->msk_cdata.msk_tx_ring_map, 2610 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 2611 2612 return (0); 2613} 2614 2615static void 2616msk_tx_task(void *arg, int pending) 2617{ 2618 struct ifnet *ifp; 2619 2620 ifp = arg; 2621 msk_start(ifp); 2622} 2623 2624static void 2625msk_start(struct ifnet *ifp) 2626{ 2627 struct msk_if_softc *sc_if; 2628 struct mbuf *m_head; 2629 int enq; 2630 2631 sc_if = ifp->if_softc; 2632 2633 MSK_IF_LOCK(sc_if); 2634 2635 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != 2636 IFF_DRV_RUNNING || (sc_if->msk_flags & MSK_FLAG_LINK) == 0) { 2637 MSK_IF_UNLOCK(sc_if); 2638 return; 2639 } 2640 2641 for (enq = 0; !IFQ_DRV_IS_EMPTY(&ifp->if_snd) && 2642 sc_if->msk_cdata.msk_tx_cnt < 2643 (MSK_TX_RING_CNT - MSK_RESERVED_TX_DESC_CNT); ) { 2644 IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); 2645 if (m_head == NULL) 2646 break; 2647 /* 2648 * Pack the data into the transmit ring. If we 2649 * don't have room, set the OACTIVE flag and wait 2650 * for the NIC to drain the ring. 2651 */ 2652 if (msk_encap(sc_if, &m_head) != 0) { 2653 if (m_head == NULL) 2654 break; 2655 IFQ_DRV_PREPEND(&ifp->if_snd, m_head); 2656 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2657 break; 2658 } 2659 2660 enq++; 2661 /* 2662 * If there's a BPF listener, bounce a copy of this frame 2663 * to him. 2664 */ 2665 ETHER_BPF_MTAP(ifp, m_head); 2666 } 2667 2668 if (enq > 0) { 2669 /* Transmit */ 2670 CSR_WRITE_2(sc_if->msk_softc, 2671 Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_PUT_IDX_REG), 2672 sc_if->msk_cdata.msk_tx_prod); 2673 2674 /* Set a timeout in case the chip goes out to lunch. */ 2675 sc_if->msk_watchdog_timer = MSK_TX_TIMEOUT; 2676 } 2677 2678 MSK_IF_UNLOCK(sc_if); 2679} 2680 2681static void 2682msk_watchdog(struct msk_if_softc *sc_if) 2683{ 2684 struct ifnet *ifp; 2685 uint32_t ridx; 2686 int idx; 2687 2688 MSK_IF_LOCK_ASSERT(sc_if); 2689 2690 if (sc_if->msk_watchdog_timer == 0 || --sc_if->msk_watchdog_timer) 2691 return; 2692 ifp = sc_if->msk_ifp; 2693 if ((sc_if->msk_flags & MSK_FLAG_LINK) == 0) { 2694 if (bootverbose) 2695 if_printf(sc_if->msk_ifp, "watchdog timeout " 2696 "(missed link)\n"); 2697 ifp->if_oerrors++; 2698 msk_init_locked(sc_if); 2699 return; 2700 } 2701 2702 /* 2703 * Reclaim first as there is a possibility of losing Tx completion 2704 * interrupts. 2705 */ 2706 ridx = sc_if->msk_port == MSK_PORT_A ? STAT_TXA1_RIDX : STAT_TXA2_RIDX; 2707 idx = CSR_READ_2(sc_if->msk_softc, ridx); 2708 if (sc_if->msk_cdata.msk_tx_cons != idx) { 2709 msk_txeof(sc_if, idx); 2710 if (sc_if->msk_cdata.msk_tx_cnt == 0) { 2711 if_printf(ifp, "watchdog timeout (missed Tx interrupts) " 2712 "-- recovering\n"); 2713 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 2714 taskqueue_enqueue(taskqueue_fast, 2715 &sc_if->msk_tx_task); 2716 return; 2717 } 2718 } 2719 2720 if_printf(ifp, "watchdog timeout\n"); 2721 ifp->if_oerrors++; 2722 msk_init_locked(sc_if); 2723 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 2724 taskqueue_enqueue(taskqueue_fast, &sc_if->msk_tx_task); 2725} 2726 2727static int 2728mskc_shutdown(device_t dev) 2729{ 2730 struct msk_softc *sc; 2731 int i; 2732 2733 sc = device_get_softc(dev); 2734 MSK_LOCK(sc); 2735 for (i = 0; i < sc->msk_num_port; i++) { 2736 if (sc->msk_if[i] != NULL) 2737 msk_stop(sc->msk_if[i]); 2738 } 2739 2740 /* Disable all interrupts. */ 2741 CSR_WRITE_4(sc, B0_IMSK, 0); 2742 CSR_READ_4(sc, B0_IMSK); 2743 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 2744 CSR_READ_4(sc, B0_HWE_IMSK); 2745 2746 /* Put hardware reset. */ 2747 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 2748 2749 MSK_UNLOCK(sc); 2750 return (0); 2751} 2752 2753static int 2754mskc_suspend(device_t dev) 2755{ 2756 struct msk_softc *sc; 2757 int i; 2758 2759 sc = device_get_softc(dev); 2760 2761 MSK_LOCK(sc); 2762 2763 for (i = 0; i < sc->msk_num_port; i++) { 2764 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL && 2765 ((sc->msk_if[i]->msk_ifp->if_drv_flags & 2766 IFF_DRV_RUNNING) != 0)) 2767 msk_stop(sc->msk_if[i]); 2768 } 2769 2770 /* Disable all interrupts. */ 2771 CSR_WRITE_4(sc, B0_IMSK, 0); 2772 CSR_READ_4(sc, B0_IMSK); 2773 CSR_WRITE_4(sc, B0_HWE_IMSK, 0); 2774 CSR_READ_4(sc, B0_HWE_IMSK); 2775 2776 msk_phy_power(sc, MSK_PHY_POWERDOWN); 2777 2778 /* Put hardware reset. */ 2779 CSR_WRITE_2(sc, B0_CTST, CS_RST_SET); 2780 sc->msk_pflags |= MSK_FLAG_SUSPEND; 2781 2782 MSK_UNLOCK(sc); 2783 2784 return (0); 2785} 2786 2787static int 2788mskc_resume(device_t dev) 2789{ 2790 struct msk_softc *sc; 2791 int i; 2792 2793 sc = device_get_softc(dev); 2794 2795 MSK_LOCK(sc); 2796 2797 mskc_reset(sc); 2798 for (i = 0; i < sc->msk_num_port; i++) { 2799 if (sc->msk_if[i] != NULL && sc->msk_if[i]->msk_ifp != NULL && 2800 ((sc->msk_if[i]->msk_ifp->if_flags & IFF_UP) != 0)) 2801 msk_init_locked(sc->msk_if[i]); 2802 } 2803 sc->msk_pflags &= MSK_FLAG_SUSPEND; 2804 2805 MSK_UNLOCK(sc); 2806 2807 return (0); 2808} 2809 2810#ifndef __NO_STRICT_ALIGNMENT 2811static __inline void 2812msk_fixup_rx(struct mbuf *m) 2813{ 2814 int i; 2815 uint16_t *src, *dst; 2816 2817 src = mtod(m, uint16_t *); 2818 dst = src - 3; 2819 2820 for (i = 0; i < (m->m_len / sizeof(uint16_t) + 1); i++) 2821 *dst++ = *src++; 2822 2823 m->m_data -= (MSK_RX_BUF_ALIGN - ETHER_ALIGN); 2824} 2825#endif 2826 2827static void 2828msk_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len) 2829{ 2830 struct mbuf *m; 2831 struct ifnet *ifp; 2832 struct msk_rxdesc *rxd; 2833 int cons, rxlen; 2834 2835 ifp = sc_if->msk_ifp; 2836 2837 MSK_IF_LOCK_ASSERT(sc_if); 2838 2839 cons = sc_if->msk_cdata.msk_rx_cons; 2840 do { 2841 rxlen = status >> 16; 2842 if ((status & GMR_FS_VLAN) != 0 && 2843 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) 2844 rxlen -= ETHER_VLAN_ENCAP_LEN; 2845 if (len > sc_if->msk_framesize || 2846 ((status & GMR_FS_ANY_ERR) != 0) || 2847 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) { 2848 /* Don't count flow-control packet as errors. */ 2849 if ((status & GMR_FS_GOOD_FC) == 0) 2850 ifp->if_ierrors++; 2851 msk_discard_rxbuf(sc_if, cons); 2852 break; 2853 } 2854 rxd = &sc_if->msk_cdata.msk_rxdesc[cons]; 2855 m = rxd->rx_m; 2856 if (msk_newbuf(sc_if, cons) != 0) { 2857 ifp->if_iqdrops++; 2858 /* Reuse old buffer. */ 2859 msk_discard_rxbuf(sc_if, cons); 2860 break; 2861 } 2862 m->m_pkthdr.rcvif = ifp; 2863 m->m_pkthdr.len = m->m_len = len; 2864#ifndef __NO_STRICT_ALIGNMENT 2865 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2866 msk_fixup_rx(m); 2867#endif 2868 ifp->if_ipackets++; 2869 /* Check for VLAN tagged packets. */ 2870 if ((status & GMR_FS_VLAN) != 0 && 2871 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { 2872 m->m_pkthdr.ether_vtag = sc_if->msk_vtag; 2873 m->m_flags |= M_VLANTAG; 2874 } 2875 MSK_IF_UNLOCK(sc_if); 2876 (*ifp->if_input)(ifp, m); 2877 MSK_IF_LOCK(sc_if); 2878 } while (0); 2879 2880 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_RX_RING_CNT); 2881 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_RX_RING_CNT); 2882} 2883 2884static void 2885msk_jumbo_rxeof(struct msk_if_softc *sc_if, uint32_t status, int len) 2886{ 2887 struct mbuf *m; 2888 struct ifnet *ifp; 2889 struct msk_rxdesc *jrxd; 2890 int cons, rxlen; 2891 2892 ifp = sc_if->msk_ifp; 2893 2894 MSK_IF_LOCK_ASSERT(sc_if); 2895 2896 cons = sc_if->msk_cdata.msk_rx_cons; 2897 do { 2898 rxlen = status >> 16; 2899 if ((status & GMR_FS_VLAN) != 0 && 2900 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) 2901 rxlen -= ETHER_VLAN_ENCAP_LEN; 2902 if (len > sc_if->msk_framesize || 2903 ((status & GMR_FS_ANY_ERR) != 0) || 2904 ((status & GMR_FS_RX_OK) == 0) || (rxlen != len)) { 2905 /* Don't count flow-control packet as errors. */ 2906 if ((status & GMR_FS_GOOD_FC) == 0) 2907 ifp->if_ierrors++; 2908 msk_discard_jumbo_rxbuf(sc_if, cons); 2909 break; 2910 } 2911 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[cons]; 2912 m = jrxd->rx_m; 2913 if (msk_jumbo_newbuf(sc_if, cons) != 0) { 2914 ifp->if_iqdrops++; 2915 /* Reuse old buffer. */ 2916 msk_discard_jumbo_rxbuf(sc_if, cons); 2917 break; 2918 } 2919 m->m_pkthdr.rcvif = ifp; 2920 m->m_pkthdr.len = m->m_len = len; 2921#ifndef __NO_STRICT_ALIGNMENT 2922 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) != 0) 2923 msk_fixup_rx(m); 2924#endif 2925 ifp->if_ipackets++; 2926 /* Check for VLAN tagged packets. */ 2927 if ((status & GMR_FS_VLAN) != 0 && 2928 (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) != 0) { 2929 m->m_pkthdr.ether_vtag = sc_if->msk_vtag; 2930 m->m_flags |= M_VLANTAG; 2931 } 2932 MSK_IF_UNLOCK(sc_if); 2933 (*ifp->if_input)(ifp, m); 2934 MSK_IF_LOCK(sc_if); 2935 } while (0); 2936 2937 MSK_INC(sc_if->msk_cdata.msk_rx_cons, MSK_JUMBO_RX_RING_CNT); 2938 MSK_INC(sc_if->msk_cdata.msk_rx_prod, MSK_JUMBO_RX_RING_CNT); 2939} 2940 2941static void 2942msk_txeof(struct msk_if_softc *sc_if, int idx) 2943{ 2944 struct msk_txdesc *txd; 2945 struct msk_tx_desc *cur_tx; 2946 struct ifnet *ifp; 2947 uint32_t control; 2948 int cons, prog; 2949 2950 MSK_IF_LOCK_ASSERT(sc_if); 2951 2952 ifp = sc_if->msk_ifp; 2953 2954 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_ring_tag, 2955 sc_if->msk_cdata.msk_tx_ring_map, 2956 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 2957 /* 2958 * Go through our tx ring and free mbufs for those 2959 * frames that have been sent. 2960 */ 2961 cons = sc_if->msk_cdata.msk_tx_cons; 2962 prog = 0; 2963 for (; cons != idx; MSK_INC(cons, MSK_TX_RING_CNT)) { 2964 if (sc_if->msk_cdata.msk_tx_cnt <= 0) 2965 break; 2966 prog++; 2967 cur_tx = &sc_if->msk_rdata.msk_tx_ring[cons]; 2968 control = le32toh(cur_tx->msk_control); 2969 sc_if->msk_cdata.msk_tx_cnt--; 2970 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2971 if ((control & EOP) == 0) 2972 continue; 2973 txd = &sc_if->msk_cdata.msk_txdesc[cons]; 2974 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap, 2975 BUS_DMASYNC_POSTWRITE); 2976 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, txd->tx_dmamap); 2977 2978 ifp->if_opackets++; 2979 KASSERT(txd->tx_m != NULL, ("%s: freeing NULL mbuf!", 2980 __func__)); 2981 m_freem(txd->tx_m); 2982 txd->tx_m = NULL; 2983 } 2984 2985 if (prog > 0) { 2986 sc_if->msk_cdata.msk_tx_cons = cons; 2987 if (sc_if->msk_cdata.msk_tx_cnt == 0) 2988 sc_if->msk_watchdog_timer = 0; 2989 /* No need to sync LEs as we didn't update LEs. */ 2990 } 2991} 2992 2993static void 2994msk_tick(void *xsc_if) 2995{ 2996 struct msk_if_softc *sc_if; 2997 struct mii_data *mii; 2998 2999 sc_if = xsc_if; 3000 3001 MSK_IF_LOCK_ASSERT(sc_if); 3002 3003 mii = device_get_softc(sc_if->msk_miibus); 3004 3005 mii_tick(mii); 3006 msk_watchdog(sc_if); 3007 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if); 3008} 3009 3010static void 3011msk_intr_phy(struct msk_if_softc *sc_if) 3012{ 3013 uint16_t status; 3014 3015 msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT); 3016 status = msk_phy_readreg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_STAT); 3017 /* Handle FIFO Underrun/Overflow? */ 3018 if ((status & PHY_M_IS_FIFO_ERROR)) 3019 device_printf(sc_if->msk_if_dev, 3020 "PHY FIFO underrun/overflow.\n"); 3021} 3022 3023static void 3024msk_intr_gmac(struct msk_if_softc *sc_if) 3025{ 3026 struct msk_softc *sc; 3027 uint8_t status; 3028 3029 sc = sc_if->msk_softc; 3030 status = CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC)); 3031 3032 /* GMAC Rx FIFO overrun. */ 3033 if ((status & GM_IS_RX_FF_OR) != 0) { 3034 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 3035 GMF_CLI_RX_FO); 3036 device_printf(sc_if->msk_if_dev, "Rx FIFO overrun!\n"); 3037 } 3038 /* GMAC Tx FIFO underrun. */ 3039 if ((status & GM_IS_TX_FF_UR) != 0) { 3040 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3041 GMF_CLI_TX_FU); 3042 device_printf(sc_if->msk_if_dev, "Tx FIFO underrun!\n"); 3043 /* 3044 * XXX 3045 * In case of Tx underrun, we may need to flush/reset 3046 * Tx MAC but that would also require resynchronization 3047 * with status LEs. Reintializing status LEs would 3048 * affect other port in dual MAC configuration so it 3049 * should be avoided as possible as we can. 3050 * Due to lack of documentation it's all vague guess but 3051 * it needs more investigation. 3052 */ 3053 } 3054} 3055 3056static void 3057msk_handle_hwerr(struct msk_if_softc *sc_if, uint32_t status) 3058{ 3059 struct msk_softc *sc; 3060 3061 sc = sc_if->msk_softc; 3062 if ((status & Y2_IS_PAR_RD1) != 0) { 3063 device_printf(sc_if->msk_if_dev, 3064 "RAM buffer read parity error\n"); 3065 /* Clear IRQ. */ 3066 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL), 3067 RI_CLR_RD_PERR); 3068 } 3069 if ((status & Y2_IS_PAR_WR1) != 0) { 3070 device_printf(sc_if->msk_if_dev, 3071 "RAM buffer write parity error\n"); 3072 /* Clear IRQ. */ 3073 CSR_WRITE_2(sc, SELECT_RAM_BUFFER(sc_if->msk_port, B3_RI_CTRL), 3074 RI_CLR_WR_PERR); 3075 } 3076 if ((status & Y2_IS_PAR_MAC1) != 0) { 3077 device_printf(sc_if->msk_if_dev, "Tx MAC parity error\n"); 3078 /* Clear IRQ. */ 3079 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3080 GMF_CLI_TX_PE); 3081 } 3082 if ((status & Y2_IS_PAR_RX1) != 0) { 3083 device_printf(sc_if->msk_if_dev, "Rx parity error\n"); 3084 /* Clear IRQ. */ 3085 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_IRQ_PAR); 3086 } 3087 if ((status & (Y2_IS_TCP_TXS1 | Y2_IS_TCP_TXA1)) != 0) { 3088 device_printf(sc_if->msk_if_dev, "TCP segmentation error\n"); 3089 /* Clear IRQ. */ 3090 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_IRQ_TCP); 3091 } 3092} 3093 3094static void 3095msk_intr_hwerr(struct msk_softc *sc) 3096{ 3097 uint32_t status; 3098 uint32_t tlphead[4]; 3099 3100 status = CSR_READ_4(sc, B0_HWE_ISRC); 3101 /* Time Stamp timer overflow. */ 3102 if ((status & Y2_IS_TIST_OV) != 0) 3103 CSR_WRITE_1(sc, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ); 3104 if ((status & Y2_IS_PCI_NEXP) != 0) { 3105 /* 3106 * PCI Express Error occured which is not described in PEX 3107 * spec. 3108 * This error is also mapped either to Master Abort( 3109 * Y2_IS_MST_ERR) or Target Abort (Y2_IS_IRQ_STAT) bit and 3110 * can only be cleared there. 3111 */ 3112 device_printf(sc->msk_dev, 3113 "PCI Express protocol violation error\n"); 3114 } 3115 3116 if ((status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) != 0) { 3117 uint16_t v16; 3118 3119 if ((status & Y2_IS_MST_ERR) != 0) 3120 device_printf(sc->msk_dev, 3121 "unexpected IRQ Status error\n"); 3122 else 3123 device_printf(sc->msk_dev, 3124 "unexpected IRQ Master error\n"); 3125 /* Reset all bits in the PCI status register. */ 3126 v16 = pci_read_config(sc->msk_dev, PCIR_STATUS, 2); 3127 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 3128 pci_write_config(sc->msk_dev, PCIR_STATUS, v16 | 3129 PCIM_STATUS_PERR | PCIM_STATUS_SERR | PCIM_STATUS_RMABORT | 3130 PCIM_STATUS_RTABORT | PCIM_STATUS_PERRREPORT, 2); 3131 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 3132 } 3133 3134 /* Check for PCI Express Uncorrectable Error. */ 3135 if ((status & Y2_IS_PCI_EXP) != 0) { 3136 uint32_t v32; 3137 3138 /* 3139 * On PCI Express bus bridges are called root complexes (RC). 3140 * PCI Express errors are recognized by the root complex too, 3141 * which requests the system to handle the problem. After 3142 * error occurence it may be that no access to the adapter 3143 * may be performed any longer. 3144 */ 3145 3146 v32 = CSR_PCI_READ_4(sc, PEX_UNC_ERR_STAT); 3147 if ((v32 & PEX_UNSUP_REQ) != 0) { 3148 /* Ignore unsupported request error. */ 3149 device_printf(sc->msk_dev, 3150 "Uncorrectable PCI Express error\n"); 3151 } 3152 if ((v32 & (PEX_FATAL_ERRORS | PEX_POIS_TLP)) != 0) { 3153 int i; 3154 3155 /* Get TLP header form Log Registers. */ 3156 for (i = 0; i < 4; i++) 3157 tlphead[i] = CSR_PCI_READ_4(sc, 3158 PEX_HEADER_LOG + i * 4); 3159 /* Check for vendor defined broadcast message. */ 3160 if (!(tlphead[0] == 0x73004001 && tlphead[1] == 0x7f)) { 3161 sc->msk_intrhwemask &= ~Y2_IS_PCI_EXP; 3162 CSR_WRITE_4(sc, B0_HWE_IMSK, 3163 sc->msk_intrhwemask); 3164 CSR_READ_4(sc, B0_HWE_IMSK); 3165 } 3166 } 3167 /* Clear the interrupt. */ 3168 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_ON); 3169 CSR_PCI_WRITE_4(sc, PEX_UNC_ERR_STAT, 0xffffffff); 3170 CSR_WRITE_1(sc, B2_TST_CTRL1, TST_CFG_WRITE_OFF); 3171 } 3172 3173 if ((status & Y2_HWE_L1_MASK) != 0 && sc->msk_if[MSK_PORT_A] != NULL) 3174 msk_handle_hwerr(sc->msk_if[MSK_PORT_A], status); 3175 if ((status & Y2_HWE_L2_MASK) != 0 && sc->msk_if[MSK_PORT_B] != NULL) 3176 msk_handle_hwerr(sc->msk_if[MSK_PORT_B], status >> 8); 3177} 3178 3179static __inline void 3180msk_rxput(struct msk_if_softc *sc_if) 3181{ 3182 struct msk_softc *sc; 3183 3184 sc = sc_if->msk_softc; 3185 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) 3186 bus_dmamap_sync( 3187 sc_if->msk_cdata.msk_jumbo_rx_ring_tag, 3188 sc_if->msk_cdata.msk_jumbo_rx_ring_map, 3189 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3190 else 3191 bus_dmamap_sync( 3192 sc_if->msk_cdata.msk_rx_ring_tag, 3193 sc_if->msk_cdata.msk_rx_ring_map, 3194 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3195 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, 3196 PREF_UNIT_PUT_IDX_REG), sc_if->msk_cdata.msk_rx_prod); 3197} 3198 3199static int 3200msk_handle_events(struct msk_softc *sc) 3201{ 3202 struct msk_if_softc *sc_if; 3203 int rxput[2]; 3204 struct msk_stat_desc *sd; 3205 uint32_t control, status; 3206 int cons, idx, len, port, rxprog; 3207 3208 idx = CSR_READ_2(sc, STAT_PUT_IDX); 3209 if (idx == sc->msk_stat_cons) 3210 return (0); 3211 3212 /* Sync status LEs. */ 3213 bus_dmamap_sync(sc->msk_stat_tag, sc->msk_stat_map, 3214 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 3215 /* XXX Sync Rx LEs here. */ 3216 3217 rxput[MSK_PORT_A] = rxput[MSK_PORT_B] = 0; 3218 3219 rxprog = 0; 3220 for (cons = sc->msk_stat_cons; cons != idx;) { 3221 sd = &sc->msk_stat_ring[cons]; 3222 control = le32toh(sd->msk_control); 3223 if ((control & HW_OWNER) == 0) 3224 break; 3225 /* 3226 * Marvell's FreeBSD driver updates status LE after clearing 3227 * HW_OWNER. However we don't have a way to sync single LE 3228 * with bus_dma(9) API. bus_dma(9) provides a way to sync 3229 * an entire DMA map. So don't sync LE until we have a better 3230 * way to sync LEs. 3231 */ 3232 control &= ~HW_OWNER; 3233 sd->msk_control = htole32(control); 3234 status = le32toh(sd->msk_status); 3235 len = control & STLE_LEN_MASK; 3236 port = (control >> 16) & 0x01; 3237 sc_if = sc->msk_if[port]; 3238 if (sc_if == NULL) { 3239 device_printf(sc->msk_dev, "invalid port opcode " 3240 "0x%08x\n", control & STLE_OP_MASK); 3241 continue; 3242 } 3243 3244 switch (control & STLE_OP_MASK) { 3245 case OP_RXVLAN: 3246 sc_if->msk_vtag = ntohs(len); 3247 break; 3248 case OP_RXCHKSVLAN: 3249 sc_if->msk_vtag = ntohs(len); 3250 break; 3251 case OP_RXSTAT: 3252 if (sc_if->msk_framesize > 3253 (MCLBYTES - MSK_RX_BUF_ALIGN)) 3254 msk_jumbo_rxeof(sc_if, status, len); 3255 else 3256 msk_rxeof(sc_if, status, len); 3257 rxprog++; 3258 /* 3259 * Because there is no way to sync single Rx LE 3260 * put the DMA sync operation off until the end of 3261 * event processing. 3262 */ 3263 rxput[port]++; 3264 /* Update prefetch unit if we've passed water mark. */ 3265 if (rxput[port] >= sc_if->msk_cdata.msk_rx_putwm) { 3266 msk_rxput(sc_if); 3267 rxput[port] = 0; 3268 } 3269 break; 3270 case OP_TXINDEXLE: 3271 if (sc->msk_if[MSK_PORT_A] != NULL) 3272 msk_txeof(sc->msk_if[MSK_PORT_A], 3273 status & STLE_TXA1_MSKL); 3274 if (sc->msk_if[MSK_PORT_B] != NULL) 3275 msk_txeof(sc->msk_if[MSK_PORT_B], 3276 ((status & STLE_TXA2_MSKL) >> 3277 STLE_TXA2_SHIFTL) | 3278 ((len & STLE_TXA2_MSKH) << 3279 STLE_TXA2_SHIFTH)); 3280 break; 3281 default: 3282 device_printf(sc->msk_dev, "unhandled opcode 0x%08x\n", 3283 control & STLE_OP_MASK); 3284 break; 3285 } 3286 MSK_INC(cons, MSK_STAT_RING_CNT); 3287 if (rxprog > sc->msk_process_limit) 3288 break; 3289 } 3290 3291 sc->msk_stat_cons = cons; 3292 /* XXX We should sync status LEs here. See above notes. */ 3293 3294 if (rxput[MSK_PORT_A] > 0) 3295 msk_rxput(sc->msk_if[MSK_PORT_A]); 3296 if (rxput[MSK_PORT_B] > 0) 3297 msk_rxput(sc->msk_if[MSK_PORT_B]); 3298 3299 return (sc->msk_stat_cons != CSR_READ_2(sc, STAT_PUT_IDX)); 3300} 3301 3302/* Legacy interrupt handler for shared interrupt. */ 3303static void 3304msk_legacy_intr(void *xsc) 3305{ 3306 struct msk_softc *sc; 3307 struct msk_if_softc *sc_if0, *sc_if1; 3308 struct ifnet *ifp0, *ifp1; 3309 uint32_t status; 3310 3311 sc = xsc; 3312 MSK_LOCK(sc); 3313 3314 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */ 3315 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2); 3316 if (status == 0 || status == 0xffffffff || 3317 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 || 3318 (status & sc->msk_intrmask) == 0) { 3319 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3320 return; 3321 } 3322 3323 sc_if0 = sc->msk_if[MSK_PORT_A]; 3324 sc_if1 = sc->msk_if[MSK_PORT_B]; 3325 ifp0 = ifp1 = NULL; 3326 if (sc_if0 != NULL) 3327 ifp0 = sc_if0->msk_ifp; 3328 if (sc_if1 != NULL) 3329 ifp1 = sc_if1->msk_ifp; 3330 3331 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL) 3332 msk_intr_phy(sc_if0); 3333 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL) 3334 msk_intr_phy(sc_if1); 3335 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL) 3336 msk_intr_gmac(sc_if0); 3337 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL) 3338 msk_intr_gmac(sc_if1); 3339 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) { 3340 device_printf(sc->msk_dev, "Rx descriptor error\n"); 3341 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2); 3342 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3343 CSR_READ_4(sc, B0_IMSK); 3344 } 3345 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) { 3346 device_printf(sc->msk_dev, "Tx descriptor error\n"); 3347 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2); 3348 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3349 CSR_READ_4(sc, B0_IMSK); 3350 } 3351 if ((status & Y2_IS_HW_ERR) != 0) 3352 msk_intr_hwerr(sc); 3353 3354 while (msk_handle_events(sc) != 0) 3355 ; 3356 if ((status & Y2_IS_STAT_BMU) != 0) 3357 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ); 3358 3359 /* Reenable interrupts. */ 3360 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3361 3362 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3363 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd)) 3364 taskqueue_enqueue(taskqueue_fast, &sc_if0->msk_tx_task); 3365 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3366 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd)) 3367 taskqueue_enqueue(taskqueue_fast, &sc_if1->msk_tx_task); 3368 3369 MSK_UNLOCK(sc); 3370} 3371 3372static int 3373msk_intr(void *xsc) 3374{ 3375 struct msk_softc *sc; 3376 uint32_t status; 3377 3378 sc = xsc; 3379 status = CSR_READ_4(sc, B0_Y2_SP_ISRC2); 3380 /* Reading B0_Y2_SP_ISRC2 masks further interrupts. */ 3381 if (status == 0 || status == 0xffffffff) { 3382 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3383 return (FILTER_STRAY); 3384 } 3385 3386 taskqueue_enqueue(sc->msk_tq, &sc->msk_int_task); 3387 return (FILTER_HANDLED); 3388} 3389 3390static void 3391msk_int_task(void *arg, int pending) 3392{ 3393 struct msk_softc *sc; 3394 struct msk_if_softc *sc_if0, *sc_if1; 3395 struct ifnet *ifp0, *ifp1; 3396 uint32_t status; 3397 int domore; 3398 3399 sc = arg; 3400 MSK_LOCK(sc); 3401 3402 /* Get interrupt source. */ 3403 status = CSR_READ_4(sc, B0_ISRC); 3404 if (status == 0 || status == 0xffffffff || 3405 (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 || 3406 (status & sc->msk_intrmask) == 0) 3407 goto done; 3408 3409 sc_if0 = sc->msk_if[MSK_PORT_A]; 3410 sc_if1 = sc->msk_if[MSK_PORT_B]; 3411 ifp0 = ifp1 = NULL; 3412 if (sc_if0 != NULL) 3413 ifp0 = sc_if0->msk_ifp; 3414 if (sc_if1 != NULL) 3415 ifp1 = sc_if1->msk_ifp; 3416 3417 if ((status & Y2_IS_IRQ_PHY1) != 0 && sc_if0 != NULL) 3418 msk_intr_phy(sc_if0); 3419 if ((status & Y2_IS_IRQ_PHY2) != 0 && sc_if1 != NULL) 3420 msk_intr_phy(sc_if1); 3421 if ((status & Y2_IS_IRQ_MAC1) != 0 && sc_if0 != NULL) 3422 msk_intr_gmac(sc_if0); 3423 if ((status & Y2_IS_IRQ_MAC2) != 0 && sc_if1 != NULL) 3424 msk_intr_gmac(sc_if1); 3425 if ((status & (Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2)) != 0) { 3426 device_printf(sc->msk_dev, "Rx descriptor error\n"); 3427 sc->msk_intrmask &= ~(Y2_IS_CHK_RX1 | Y2_IS_CHK_RX2); 3428 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3429 CSR_READ_4(sc, B0_IMSK); 3430 } 3431 if ((status & (Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2)) != 0) { 3432 device_printf(sc->msk_dev, "Tx descriptor error\n"); 3433 sc->msk_intrmask &= ~(Y2_IS_CHK_TXA1 | Y2_IS_CHK_TXA2); 3434 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3435 CSR_READ_4(sc, B0_IMSK); 3436 } 3437 if ((status & Y2_IS_HW_ERR) != 0) 3438 msk_intr_hwerr(sc); 3439 3440 domore = msk_handle_events(sc); 3441 if ((status & Y2_IS_STAT_BMU) != 0) 3442 CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ); 3443 3444 if (ifp0 != NULL && (ifp0->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3445 !IFQ_DRV_IS_EMPTY(&ifp0->if_snd)) 3446 taskqueue_enqueue(taskqueue_fast, &sc_if0->msk_tx_task); 3447 if (ifp1 != NULL && (ifp1->if_drv_flags & IFF_DRV_RUNNING) != 0 && 3448 !IFQ_DRV_IS_EMPTY(&ifp1->if_snd)) 3449 taskqueue_enqueue(taskqueue_fast, &sc_if1->msk_tx_task); 3450 3451 if (domore > 0) { 3452 taskqueue_enqueue(sc->msk_tq, &sc->msk_int_task); 3453 MSK_UNLOCK(sc); 3454 return; 3455 } 3456done: 3457 MSK_UNLOCK(sc); 3458 3459 /* Reenable interrupts. */ 3460 CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2); 3461} 3462 3463static void 3464msk_init(void *xsc) 3465{ 3466 struct msk_if_softc *sc_if = xsc; 3467 3468 MSK_IF_LOCK(sc_if); 3469 msk_init_locked(sc_if); 3470 MSK_IF_UNLOCK(sc_if); 3471} 3472 3473static void 3474msk_init_locked(struct msk_if_softc *sc_if) 3475{ 3476 struct msk_softc *sc; 3477 struct ifnet *ifp; 3478 struct mii_data *mii; 3479 uint16_t eaddr[ETHER_ADDR_LEN / 2]; 3480 uint16_t gmac; 3481 int error, i; 3482 3483 MSK_IF_LOCK_ASSERT(sc_if); 3484 3485 ifp = sc_if->msk_ifp; 3486 sc = sc_if->msk_softc; 3487 mii = device_get_softc(sc_if->msk_miibus); 3488 3489 error = 0; 3490 /* Cancel pending I/O and free all Rx/Tx buffers. */ 3491 msk_stop(sc_if); 3492 3493 if (ifp->if_mtu < ETHERMTU) 3494 sc_if->msk_framesize = ETHERMTU; 3495 else 3496 sc_if->msk_framesize = ifp->if_mtu; 3497 sc_if->msk_framesize += ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN; 3498 if (ifp->if_mtu > ETHERMTU &&
|
3493 sc_if->msk_softc->msk_hw_id == CHIP_ID_YUKON_EC_U) { 3494 /* 3495 * In Yukon EC Ultra, TSO & checksum offload is not 3496 * supported for jumbo frame. 3497 */
| 3499 (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
|
3498 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO); 3499 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM); 3500 } 3501 3502 /* 3503 * Initialize GMAC first. 3504 * Without this initialization, Rx MAC did not work as expected 3505 * and Rx MAC garbled status LEs and it resulted in out-of-order 3506 * or duplicated frame delivery which in turn showed very poor 3507 * Rx performance.(I had to write a packet analysis code that 3508 * could be embeded in driver to diagnose this issue.) 3509 * I've spent almost 2 months to fix this issue. If I have had 3510 * datasheet for Yukon II I wouldn't have encountered this. :-( 3511 */ 3512 gmac = GM_GPCR_SPEED_100 | GM_GPCR_SPEED_1000 | GM_GPCR_DUP_FULL; 3513 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); 3514 3515 /* Dummy read the Interrupt Source Register. */ 3516 CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC)); 3517 3518 /* Clear MIB stats. */ 3519 msk_stats_clear(sc_if); 3520 3521 /* Disable FCS. */ 3522 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS); 3523 3524 /* Setup Transmit Control Register. */ 3525 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); 3526 3527 /* Setup Transmit Flow Control Register. */ 3528 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff); 3529 3530 /* Setup Transmit Parameter Register. */ 3531 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM, 3532 TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | 3533 TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); 3534 3535 gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) | 3536 GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); 3537 3538 if (ifp->if_mtu > ETHERMTU) 3539 gmac |= GM_SMOD_JUMBO_ENA; 3540 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac); 3541 3542 /* Set station address. */ 3543 bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN); 3544 for (i = 0; i < ETHER_ADDR_LEN /2; i++) 3545 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L + i * 4, 3546 eaddr[i]); 3547 for (i = 0; i < ETHER_ADDR_LEN /2; i++) 3548 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L + i * 4, 3549 eaddr[i]); 3550 3551 /* Disable interrupts for counter overflows. */ 3552 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0); 3553 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0); 3554 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0); 3555 3556 /* Configure Rx MAC FIFO. */ 3557 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET); 3558 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR); 3559 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 3560 GMF_OPER_ON | GMF_RX_F_FL_ON); 3561 3562 /* Set receive filter. */ 3563 msk_rxfilter(sc_if); 3564 3565 /* Flush Rx MAC FIFO on any flow control or error. */ 3566 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 3567 GMR_FS_ANY_ERR); 3568 3569 /* 3570 * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word 3571 * due to hardware hang on receipt of pause frames. 3572 */ 3573 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), 3574 RX_GMF_FL_THR_DEF + 1); 3575 3576 /* Configure Tx MAC FIFO. */ 3577 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET); 3578 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR); 3579 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON); 3580 3581 /* Configure hardware VLAN tag insertion/stripping. */ 3582 msk_setvlan(sc_if, ifp); 3583 3584 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) { 3585 /* Set Rx Pause threshould. */ 3586 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR), 3587 MSK_ECU_LLPP); 3588 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR), 3589 MSK_ECU_ULPP); 3590 if (ifp->if_mtu > ETHERMTU) { 3591 /* 3592 * Set Tx GMAC FIFO Almost Empty Threshold. 3593 */ 3594 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR), 3595 MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR); 3596 /* Disable Store & Forward mode for Tx. */ 3597 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3598 TX_JUMBO_ENA | TX_STFW_DIS); 3599 } else { 3600 /* Enable Store & Forward mode for Tx. */ 3601 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3602 TX_JUMBO_DIS | TX_STFW_ENA); 3603 } 3604 } 3605 3606 /* 3607 * Disable Force Sync bit and Alloc bit in Tx RAM interface 3608 * arbiter as we don't use Sync Tx queue. 3609 */ 3610 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), 3611 TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); 3612 /* Enable the RAM Interface Arbiter. */ 3613 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB); 3614 3615 /* Setup RAM buffer. */ 3616 msk_set_rambuffer(sc_if); 3617 3618 /* Disable Tx sync Queue. */ 3619 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET); 3620 3621 /* Setup Tx Queue Bus Memory Interface. */ 3622 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET); 3623 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT); 3624 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON); 3625 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM); 3626 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U && 3627 sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) { 3628 /* Fix for Yukon-EC Ultra: set BMU FIFO level */ 3629 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL), MSK_ECU_TXFF_LEV); 3630 } 3631 3632 /* Setup Rx Queue Bus Memory Interface. */ 3633 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET); 3634 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT); 3635 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON); 3636 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM); 3637 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U && 3638 sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) { 3639 /* MAC Rx RAM Read is controlled by hardware. */ 3640 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS); 3641 } 3642 3643 msk_set_prefetch(sc, sc_if->msk_txq, 3644 sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1); 3645 msk_init_tx_ring(sc_if); 3646 3647 /* Disable Rx checksum offload and RSS hash. */ 3648 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), 3649 BMU_DIS_RX_CHKSUM | BMU_DIS_RX_RSS_HASH); 3650 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) { 3651 msk_set_prefetch(sc, sc_if->msk_rxq, 3652 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr, 3653 MSK_JUMBO_RX_RING_CNT - 1); 3654 error = msk_init_jumbo_rx_ring(sc_if); 3655 } else { 3656 msk_set_prefetch(sc, sc_if->msk_rxq, 3657 sc_if->msk_rdata.msk_rx_ring_paddr, 3658 MSK_RX_RING_CNT - 1); 3659 error = msk_init_rx_ring(sc_if); 3660 } 3661 if (error != 0) { 3662 device_printf(sc_if->msk_if_dev, 3663 "initialization failed: no memory for Rx buffers\n"); 3664 msk_stop(sc_if); 3665 return; 3666 } 3667 3668 /* Configure interrupt handling. */ 3669 if (sc_if->msk_port == MSK_PORT_A) { 3670 sc->msk_intrmask |= Y2_IS_PORT_A; 3671 sc->msk_intrhwemask |= Y2_HWE_L1_MASK; 3672 } else { 3673 sc->msk_intrmask |= Y2_IS_PORT_B; 3674 sc->msk_intrhwemask |= Y2_HWE_L2_MASK; 3675 } 3676 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask); 3677 CSR_READ_4(sc, B0_HWE_IMSK); 3678 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3679 CSR_READ_4(sc, B0_IMSK); 3680 3681 sc_if->msk_flags &= ~MSK_FLAG_LINK; 3682 mii_mediachg(mii); 3683 3684 ifp->if_drv_flags |= IFF_DRV_RUNNING; 3685 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3686 3687 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if); 3688} 3689 3690static void 3691msk_set_rambuffer(struct msk_if_softc *sc_if) 3692{ 3693 struct msk_softc *sc; 3694 int ltpp, utpp; 3695 3696 sc = sc_if->msk_softc; 3697 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) 3698 return; 3699 3700 /* Setup Rx Queue. */ 3701 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR); 3702 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START), 3703 sc->msk_rxqstart[sc_if->msk_port] / 8); 3704 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END), 3705 sc->msk_rxqend[sc_if->msk_port] / 8); 3706 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP), 3707 sc->msk_rxqstart[sc_if->msk_port] / 8); 3708 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP), 3709 sc->msk_rxqstart[sc_if->msk_port] / 8); 3710 3711 utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 - 3712 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8; 3713 ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 - 3714 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8; 3715 if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE) 3716 ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8; 3717 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp); 3718 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp); 3719 /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */ 3720 3721 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD); 3722 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL)); 3723 3724 /* Setup Tx Queue. */ 3725 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR); 3726 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START), 3727 sc->msk_txqstart[sc_if->msk_port] / 8); 3728 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END), 3729 sc->msk_txqend[sc_if->msk_port] / 8); 3730 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP), 3731 sc->msk_txqstart[sc_if->msk_port] / 8); 3732 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP), 3733 sc->msk_txqstart[sc_if->msk_port] / 8); 3734 /* Enable Store & Forward for Tx side. */ 3735 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD); 3736 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD); 3737 CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL)); 3738} 3739 3740static void 3741msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr, 3742 uint32_t count) 3743{ 3744 3745 /* Reset the prefetch unit. */ 3746 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), 3747 PREF_UNIT_RST_SET); 3748 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), 3749 PREF_UNIT_RST_CLR); 3750 /* Set LE base address. */ 3751 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG), 3752 MSK_ADDR_LO(addr)); 3753 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG), 3754 MSK_ADDR_HI(addr)); 3755 /* Set the list last index. */ 3756 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG), 3757 count); 3758 /* Turn on prefetch unit. */ 3759 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), 3760 PREF_UNIT_OP_ON); 3761 /* Dummy read to ensure write. */ 3762 CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG)); 3763} 3764 3765static void 3766msk_stop(struct msk_if_softc *sc_if) 3767{ 3768 struct msk_softc *sc; 3769 struct msk_txdesc *txd; 3770 struct msk_rxdesc *rxd; 3771 struct msk_rxdesc *jrxd; 3772 struct ifnet *ifp; 3773 uint32_t val; 3774 int i; 3775 3776 MSK_IF_LOCK_ASSERT(sc_if); 3777 sc = sc_if->msk_softc; 3778 ifp = sc_if->msk_ifp; 3779 3780 callout_stop(&sc_if->msk_tick_ch); 3781 sc_if->msk_watchdog_timer = 0; 3782 3783 /* Disable interrupts. */ 3784 if (sc_if->msk_port == MSK_PORT_A) { 3785 sc->msk_intrmask &= ~Y2_IS_PORT_A; 3786 sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK; 3787 } else { 3788 sc->msk_intrmask &= ~Y2_IS_PORT_B; 3789 sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK; 3790 } 3791 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask); 3792 CSR_READ_4(sc, B0_HWE_IMSK); 3793 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3794 CSR_READ_4(sc, B0_IMSK); 3795 3796 /* Disable Tx/Rx MAC. */ 3797 val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 3798 val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); 3799 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val); 3800 /* Read again to ensure writing. */ 3801 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 3802 /* Update stats and clear counters. */ 3803 msk_stats_update(sc_if); 3804 3805 /* Stop Tx BMU. */ 3806 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP); 3807 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR)); 3808 for (i = 0; i < MSK_TIMEOUT; i++) { 3809 if ((val & (BMU_STOP | BMU_IDLE)) == 0) { 3810 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), 3811 BMU_STOP); 3812 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR)); 3813 } else 3814 break; 3815 DELAY(1); 3816 } 3817 if (i == MSK_TIMEOUT) 3818 device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n"); 3819 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), 3820 RB_RST_SET | RB_DIS_OP_MD); 3821 3822 /* Disable all GMAC interrupt. */ 3823 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0); 3824 /* Disable PHY interrupt. */ 3825 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0); 3826 3827 /* Disable the RAM Interface Arbiter. */ 3828 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB); 3829 3830 /* Reset the PCI FIFO of the async Tx queue */ 3831 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), 3832 BMU_RST_SET | BMU_FIFO_RST); 3833 3834 /* Reset the Tx prefetch units. */ 3835 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG), 3836 PREF_UNIT_RST_SET); 3837 3838 /* Reset the RAM Buffer async Tx queue. */ 3839 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET); 3840 3841 /* Reset Tx MAC FIFO. */ 3842 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET); 3843 /* Set Pause Off. */ 3844 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF); 3845 3846 /* 3847 * The Rx Stop command will not work for Yukon-2 if the BMU does not 3848 * reach the end of packet and since we can't make sure that we have 3849 * incoming data, we must reset the BMU while it is not during a DMA 3850 * transfer. Since it is possible that the Rx path is still active, 3851 * the Rx RAM buffer will be stopped first, so any possible incoming 3852 * data will not trigger a DMA. After the RAM buffer is stopped, the 3853 * BMU is polled until any DMA in progress is ended and only then it 3854 * will be reset. 3855 */ 3856 3857 /* Disable the RAM Buffer receive queue. */ 3858 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD); 3859 for (i = 0; i < MSK_TIMEOUT; i++) { 3860 if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) == 3861 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL))) 3862 break; 3863 DELAY(1); 3864 } 3865 if (i == MSK_TIMEOUT) 3866 device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n"); 3867 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), 3868 BMU_RST_SET | BMU_FIFO_RST); 3869 /* Reset the Rx prefetch unit. */ 3870 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG), 3871 PREF_UNIT_RST_SET); 3872 /* Reset the RAM Buffer receive queue. */ 3873 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET); 3874 /* Reset Rx MAC FIFO. */ 3875 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET); 3876 3877 /* Free Rx and Tx mbufs still in the queues. */ 3878 for (i = 0; i < MSK_RX_RING_CNT; i++) { 3879 rxd = &sc_if->msk_cdata.msk_rxdesc[i]; 3880 if (rxd->rx_m != NULL) { 3881 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, 3882 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD); 3883 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, 3884 rxd->rx_dmamap); 3885 m_freem(rxd->rx_m); 3886 rxd->rx_m = NULL; 3887 } 3888 } 3889 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 3890 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; 3891 if (jrxd->rx_m != NULL) { 3892 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, 3893 jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD); 3894 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag, 3895 jrxd->rx_dmamap); 3896 m_freem(jrxd->rx_m); 3897 jrxd->rx_m = NULL; 3898 } 3899 } 3900 for (i = 0; i < MSK_TX_RING_CNT; i++) { 3901 txd = &sc_if->msk_cdata.msk_txdesc[i]; 3902 if (txd->tx_m != NULL) { 3903 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, 3904 txd->tx_dmamap, BUS_DMASYNC_POSTWRITE); 3905 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, 3906 txd->tx_dmamap); 3907 m_freem(txd->tx_m); 3908 txd->tx_m = NULL; 3909 } 3910 } 3911 3912 /* 3913 * Mark the interface down. 3914 */ 3915 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 3916 sc_if->msk_flags &= ~MSK_FLAG_LINK; 3917} 3918 3919/* 3920 * When GM_PAR_MIB_CLR bit of GM_PHY_ADDR is set, reading lower 3921 * counter clears high 16 bits of the counter such that accessing 3922 * lower 16 bits should be the last operation. 3923 */ 3924#define MSK_READ_MIB32(x, y) \ 3925 (((uint32_t)GMAC_READ_2(sc, x, (y) + 4)) << 16) + \ 3926 (uint32_t)GMAC_READ_2(sc, x, y) 3927#define MSK_READ_MIB64(x, y) \ 3928 (((uint64_t)MSK_READ_MIB32(x, (y) + 8)) << 32) + \ 3929 (uint64_t)MSK_READ_MIB32(x, y) 3930 3931static void 3932msk_stats_clear(struct msk_if_softc *sc_if) 3933{ 3934 struct msk_softc *sc; 3935 uint32_t reg; 3936 uint16_t gmac; 3937 int i; 3938 3939 MSK_IF_LOCK_ASSERT(sc_if); 3940 3941 sc = sc_if->msk_softc; 3942 /* Set MIB Clear Counter Mode. */ 3943 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR); 3944 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR); 3945 /* Read all MIB Counters with Clear Mode set. */ 3946 for (i = GM_RXF_UC_OK; i <= GM_TXE_FIFO_UR; i++) 3947 reg = MSK_READ_MIB32(sc_if->msk_port, i); 3948 /* Clear MIB Clear Counter Mode. */ 3949 gmac &= ~GM_PAR_MIB_CLR; 3950 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac); 3951} 3952 3953static void 3954msk_stats_update(struct msk_if_softc *sc_if) 3955{ 3956 struct msk_softc *sc; 3957 struct ifnet *ifp; 3958 struct msk_hw_stats *stats; 3959 uint16_t gmac; 3960 uint32_t reg; 3961 3962 MSK_IF_LOCK_ASSERT(sc_if); 3963 3964 ifp = sc_if->msk_ifp; 3965 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 3966 return; 3967 sc = sc_if->msk_softc; 3968 stats = &sc_if->msk_stats; 3969 /* Set MIB Clear Counter Mode. */ 3970 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR); 3971 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR); 3972 3973 /* Rx stats. */ 3974 stats->rx_ucast_frames += 3975 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_UC_OK); 3976 stats->rx_bcast_frames += 3977 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_BC_OK); 3978 stats->rx_pause_frames += 3979 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MPAUSE); 3980 stats->rx_mcast_frames += 3981 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MC_OK); 3982 stats->rx_crc_errs += 3983 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_FCS_ERR); 3984 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE1); 3985 stats->rx_good_octets += 3986 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_OK_LO); 3987 stats->rx_bad_octets += 3988 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_ERR_LO); 3989 stats->rx_runts += 3990 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SHT); 3991 stats->rx_runt_errs += 3992 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FRAG); 3993 stats->rx_pkts_64 += 3994 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_64B); 3995 stats->rx_pkts_65_127 += 3996 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_127B); 3997 stats->rx_pkts_128_255 += 3998 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_255B); 3999 stats->rx_pkts_256_511 += 4000 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_511B); 4001 stats->rx_pkts_512_1023 += 4002 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1023B); 4003 stats->rx_pkts_1024_1518 += 4004 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1518B); 4005 stats->rx_pkts_1519_max += 4006 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MAX_SZ); 4007 stats->rx_pkts_too_long += 4008 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_LNG_ERR); 4009 stats->rx_pkts_jabbers += 4010 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_JAB_PKT); 4011 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE2); 4012 stats->rx_fifo_oflows += 4013 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FIFO_OV); 4014 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE3); 4015 4016 /* Tx stats. */ 4017 stats->tx_ucast_frames += 4018 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_UC_OK); 4019 stats->tx_bcast_frames += 4020 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_BC_OK); 4021 stats->tx_pause_frames += 4022 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MPAUSE); 4023 stats->tx_mcast_frames += 4024 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MC_OK); 4025 stats->tx_octets += 4026 MSK_READ_MIB64(sc_if->msk_port, GM_TXO_OK_LO); 4027 stats->tx_pkts_64 += 4028 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_64B); 4029 stats->tx_pkts_65_127 += 4030 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_127B); 4031 stats->tx_pkts_128_255 += 4032 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_255B); 4033 stats->tx_pkts_256_511 += 4034 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_511B); 4035 stats->tx_pkts_512_1023 += 4036 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1023B); 4037 stats->tx_pkts_1024_1518 += 4038 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1518B); 4039 stats->tx_pkts_1519_max += 4040 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MAX_SZ); 4041 reg = MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SPARE1); 4042 stats->tx_colls += 4043 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_COL); 4044 stats->tx_late_colls += 4045 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_LAT_COL); 4046 stats->tx_excess_colls += 4047 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_ABO_COL); 4048 stats->tx_multi_colls += 4049 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MUL_COL); 4050 stats->tx_single_colls += 4051 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SNG_COL); 4052 stats->tx_underflows += 4053 MSK_READ_MIB32(sc_if->msk_port, GM_TXE_FIFO_UR); 4054 /* Clear MIB Clear Counter Mode. */ 4055 gmac &= ~GM_PAR_MIB_CLR; 4056 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac); 4057} 4058 4059static int 4060msk_sysctl_stat32(SYSCTL_HANDLER_ARGS) 4061{ 4062 struct msk_softc *sc; 4063 struct msk_if_softc *sc_if; 4064 uint32_t result, *stat; 4065 int off; 4066 4067 sc_if = (struct msk_if_softc *)arg1; 4068 sc = sc_if->msk_softc; 4069 off = arg2; 4070 stat = (uint32_t *)((uint8_t *)&sc_if->msk_stats + off); 4071 4072 MSK_IF_LOCK(sc_if); 4073 result = MSK_READ_MIB32(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2); 4074 result += *stat; 4075 MSK_IF_UNLOCK(sc_if); 4076 4077 return (sysctl_handle_int(oidp, &result, 0, req)); 4078} 4079 4080static int 4081msk_sysctl_stat64(SYSCTL_HANDLER_ARGS) 4082{ 4083 struct msk_softc *sc; 4084 struct msk_if_softc *sc_if; 4085 uint64_t result, *stat; 4086 int off; 4087 4088 sc_if = (struct msk_if_softc *)arg1; 4089 sc = sc_if->msk_softc; 4090 off = arg2; 4091 stat = (uint64_t *)((uint8_t *)&sc_if->msk_stats + off); 4092 4093 MSK_IF_LOCK(sc_if); 4094 result = MSK_READ_MIB64(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2); 4095 result += *stat; 4096 MSK_IF_UNLOCK(sc_if); 4097 4098 return (sysctl_handle_quad(oidp, &result, 0, req)); 4099} 4100 4101#undef MSK_READ_MIB32 4102#undef MSK_READ_MIB64 4103 4104#define MSK_SYSCTL_STAT32(sc, c, o, p, n, d) \ 4105 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \ 4106 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat32, \ 4107 "IU", d) 4108#define MSK_SYSCTL_STAT64(sc, c, o, p, n, d) \ 4109 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \ 4110 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat64, \ 4111 "Q", d) 4112 4113static void 4114msk_sysctl_node(struct msk_if_softc *sc_if) 4115{ 4116 struct sysctl_ctx_list *ctx; 4117 struct sysctl_oid_list *child, *schild; 4118 struct sysctl_oid *tree; 4119 4120 ctx = device_get_sysctl_ctx(sc_if->msk_if_dev); 4121 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc_if->msk_if_dev)); 4122 4123 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 4124 NULL, "MSK Statistics"); 4125 schild = child = SYSCTL_CHILDREN(tree); 4126 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "rx", CTLFLAG_RD, 4127 NULL, "MSK RX Statistics"); 4128 child = SYSCTL_CHILDREN(tree); 4129 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames", 4130 child, rx_ucast_frames, "Good unicast frames"); 4131 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames", 4132 child, rx_bcast_frames, "Good broadcast frames"); 4133 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames", 4134 child, rx_pause_frames, "Pause frames"); 4135 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames", 4136 child, rx_mcast_frames, "Multicast frames"); 4137 MSK_SYSCTL_STAT32(sc_if, ctx, "crc_errs", 4138 child, rx_crc_errs, "CRC errors"); 4139 MSK_SYSCTL_STAT64(sc_if, ctx, "good_octets", 4140 child, rx_good_octets, "Good octets"); 4141 MSK_SYSCTL_STAT64(sc_if, ctx, "bad_octets", 4142 child, rx_bad_octets, "Bad octets"); 4143 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64", 4144 child, rx_pkts_64, "64 bytes frames"); 4145 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127", 4146 child, rx_pkts_65_127, "65 to 127 bytes frames"); 4147 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255", 4148 child, rx_pkts_128_255, "128 to 255 bytes frames"); 4149 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511", 4150 child, rx_pkts_256_511, "256 to 511 bytes frames"); 4151 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023", 4152 child, rx_pkts_512_1023, "512 to 1023 bytes frames"); 4153 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518", 4154 child, rx_pkts_1024_1518, "1024 to 1518 bytes frames"); 4155 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max", 4156 child, rx_pkts_1519_max, "1519 to max frames"); 4157 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_too_long", 4158 child, rx_pkts_too_long, "frames too long"); 4159 MSK_SYSCTL_STAT32(sc_if, ctx, "jabbers", 4160 child, rx_pkts_jabbers, "Jabber errors"); 4161 MSK_SYSCTL_STAT32(sc_if, ctx, "overflows", 4162 child, rx_fifo_oflows, "FIFO overflows"); 4163 4164 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "tx", CTLFLAG_RD, 4165 NULL, "MSK TX Statistics"); 4166 child = SYSCTL_CHILDREN(tree); 4167 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames", 4168 child, tx_ucast_frames, "Unicast frames"); 4169 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames", 4170 child, tx_bcast_frames, "Broadcast frames"); 4171 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames", 4172 child, tx_pause_frames, "Pause frames"); 4173 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames", 4174 child, tx_mcast_frames, "Multicast frames"); 4175 MSK_SYSCTL_STAT64(sc_if, ctx, "octets", 4176 child, tx_octets, "Octets"); 4177 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64", 4178 child, tx_pkts_64, "64 bytes frames"); 4179 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127", 4180 child, tx_pkts_65_127, "65 to 127 bytes frames"); 4181 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255", 4182 child, tx_pkts_128_255, "128 to 255 bytes frames"); 4183 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511", 4184 child, tx_pkts_256_511, "256 to 511 bytes frames"); 4185 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023", 4186 child, tx_pkts_512_1023, "512 to 1023 bytes frames"); 4187 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518", 4188 child, tx_pkts_1024_1518, "1024 to 1518 bytes frames"); 4189 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max", 4190 child, tx_pkts_1519_max, "1519 to max frames"); 4191 MSK_SYSCTL_STAT32(sc_if, ctx, "colls", 4192 child, tx_colls, "Collisions"); 4193 MSK_SYSCTL_STAT32(sc_if, ctx, "late_colls", 4194 child, tx_late_colls, "Late collisions"); 4195 MSK_SYSCTL_STAT32(sc_if, ctx, "excess_colls", 4196 child, tx_excess_colls, "Excessive collisions"); 4197 MSK_SYSCTL_STAT32(sc_if, ctx, "multi_colls", 4198 child, tx_multi_colls, "Multiple collisions"); 4199 MSK_SYSCTL_STAT32(sc_if, ctx, "single_colls", 4200 child, tx_single_colls, "Single collisions"); 4201 MSK_SYSCTL_STAT32(sc_if, ctx, "underflows", 4202 child, tx_underflows, "FIFO underflows"); 4203} 4204 4205#undef MSK_SYSCTL_STAT32 4206#undef MSK_SYSCTL_STAT64 4207 4208static int 4209sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high) 4210{ 4211 int error, value; 4212 4213 if (!arg1) 4214 return (EINVAL); 4215 value = *(int *)arg1; 4216 error = sysctl_handle_int(oidp, &value, 0, req); 4217 if (error || !req->newptr) 4218 return (error); 4219 if (value < low || value > high) 4220 return (EINVAL); 4221 *(int *)arg1 = value; 4222 4223 return (0); 4224} 4225 4226static int 4227sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS) 4228{ 4229 4230 return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN, 4231 MSK_PROC_MAX)); 4232}
| 3500 ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO); 3501 ifp->if_capenable &= ~(IFCAP_TSO4 | IFCAP_TXCSUM); 3502 } 3503 3504 /* 3505 * Initialize GMAC first. 3506 * Without this initialization, Rx MAC did not work as expected 3507 * and Rx MAC garbled status LEs and it resulted in out-of-order 3508 * or duplicated frame delivery which in turn showed very poor 3509 * Rx performance.(I had to write a packet analysis code that 3510 * could be embeded in driver to diagnose this issue.) 3511 * I've spent almost 2 months to fix this issue. If I have had 3512 * datasheet for Yukon II I wouldn't have encountered this. :-( 3513 */ 3514 gmac = GM_GPCR_SPEED_100 | GM_GPCR_SPEED_1000 | GM_GPCR_DUP_FULL; 3515 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, gmac); 3516 3517 /* Dummy read the Interrupt Source Register. */ 3518 CSR_READ_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_SRC)); 3519 3520 /* Clear MIB stats. */ 3521 msk_stats_clear(sc_if); 3522 3523 /* Disable FCS. */ 3524 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_CTRL, GM_RXCR_CRC_DIS); 3525 3526 /* Setup Transmit Control Register. */ 3527 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_CTRL, TX_COL_THR(TX_COL_DEF)); 3528 3529 /* Setup Transmit Flow Control Register. */ 3530 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_FLOW_CTRL, 0xffff); 3531 3532 /* Setup Transmit Parameter Register. */ 3533 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_PARAM, 3534 TX_JAM_LEN_VAL(TX_JAM_LEN_DEF) | TX_JAM_IPG_VAL(TX_JAM_IPG_DEF) | 3535 TX_IPG_JAM_DATA(TX_IPG_JAM_DEF) | TX_BACK_OFF_LIM(TX_BOF_LIM_DEF)); 3536 3537 gmac = DATA_BLIND_VAL(DATA_BLIND_DEF) | 3538 GM_SMOD_VLAN_ENA | IPG_DATA_VAL(IPG_DATA_DEF); 3539 3540 if (ifp->if_mtu > ETHERMTU) 3541 gmac |= GM_SMOD_JUMBO_ENA; 3542 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SERIAL_MODE, gmac); 3543 3544 /* Set station address. */ 3545 bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN); 3546 for (i = 0; i < ETHER_ADDR_LEN /2; i++) 3547 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_1L + i * 4, 3548 eaddr[i]); 3549 for (i = 0; i < ETHER_ADDR_LEN /2; i++) 3550 GMAC_WRITE_2(sc, sc_if->msk_port, GM_SRC_ADDR_2L + i * 4, 3551 eaddr[i]); 3552 3553 /* Disable interrupts for counter overflows. */ 3554 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TX_IRQ_MSK, 0); 3555 GMAC_WRITE_2(sc, sc_if->msk_port, GM_RX_IRQ_MSK, 0); 3556 GMAC_WRITE_2(sc, sc_if->msk_port, GM_TR_IRQ_MSK, 0); 3557 3558 /* Configure Rx MAC FIFO. */ 3559 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET); 3560 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_CLR); 3561 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), 3562 GMF_OPER_ON | GMF_RX_F_FL_ON); 3563 3564 /* Set receive filter. */ 3565 msk_rxfilter(sc_if); 3566 3567 /* Flush Rx MAC FIFO on any flow control or error. */ 3568 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_MSK), 3569 GMR_FS_ANY_ERR); 3570 3571 /* 3572 * Set Rx FIFO flush threshold to 64 bytes + 1 FIFO word 3573 * due to hardware hang on receipt of pause frames. 3574 */ 3575 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_FL_THR), 3576 RX_GMF_FL_THR_DEF + 1); 3577 3578 /* Configure Tx MAC FIFO. */ 3579 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET); 3580 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_CLR); 3581 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_OPER_ON); 3582 3583 /* Configure hardware VLAN tag insertion/stripping. */ 3584 msk_setvlan(sc_if, ifp); 3585 3586 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) { 3587 /* Set Rx Pause threshould. */ 3588 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, RX_GMF_LP_THR), 3589 MSK_ECU_LLPP); 3590 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, RX_GMF_UP_THR), 3591 MSK_ECU_ULPP); 3592 if (ifp->if_mtu > ETHERMTU) { 3593 /* 3594 * Set Tx GMAC FIFO Almost Empty Threshold. 3595 */ 3596 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_AE_THR), 3597 MSK_ECU_JUMBO_WM << 16 | MSK_ECU_AE_THR); 3598 /* Disable Store & Forward mode for Tx. */ 3599 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3600 TX_JUMBO_ENA | TX_STFW_DIS); 3601 } else { 3602 /* Enable Store & Forward mode for Tx. */ 3603 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), 3604 TX_JUMBO_DIS | TX_STFW_ENA); 3605 } 3606 } 3607 3608 /* 3609 * Disable Force Sync bit and Alloc bit in Tx RAM interface 3610 * arbiter as we don't use Sync Tx queue. 3611 */ 3612 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), 3613 TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC); 3614 /* Enable the RAM Interface Arbiter. */ 3615 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_ENA_ARB); 3616 3617 /* Setup RAM buffer. */ 3618 msk_set_rambuffer(sc_if); 3619 3620 /* Disable Tx sync Queue. */ 3621 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txsq, RB_CTRL), RB_RST_SET); 3622 3623 /* Setup Tx Queue Bus Memory Interface. */ 3624 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_CLR_RESET); 3625 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_OPER_INIT); 3626 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_FIFO_OP_ON); 3627 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_WM), MSK_BMU_TX_WM); 3628 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U && 3629 sc->msk_hw_rev == CHIP_REV_YU_EC_U_A0) { 3630 /* Fix for Yukon-EC Ultra: set BMU FIFO level */ 3631 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_txq, Q_AL), MSK_ECU_TXFF_LEV); 3632 } 3633 3634 /* Setup Rx Queue Bus Memory Interface. */ 3635 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_CLR_RESET); 3636 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_OPER_INIT); 3637 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), BMU_FIFO_OP_ON); 3638 CSR_WRITE_2(sc, Q_ADDR(sc_if->msk_rxq, Q_WM), MSK_BMU_RX_WM); 3639 if (sc->msk_hw_id == CHIP_ID_YUKON_EC_U && 3640 sc->msk_hw_rev >= CHIP_REV_YU_EC_U_A1) { 3641 /* MAC Rx RAM Read is controlled by hardware. */ 3642 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_F), F_M_RX_RAM_DIS); 3643 } 3644 3645 msk_set_prefetch(sc, sc_if->msk_txq, 3646 sc_if->msk_rdata.msk_tx_ring_paddr, MSK_TX_RING_CNT - 1); 3647 msk_init_tx_ring(sc_if); 3648 3649 /* Disable Rx checksum offload and RSS hash. */ 3650 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), 3651 BMU_DIS_RX_CHKSUM | BMU_DIS_RX_RSS_HASH); 3652 if (sc_if->msk_framesize > (MCLBYTES - MSK_RX_BUF_ALIGN)) { 3653 msk_set_prefetch(sc, sc_if->msk_rxq, 3654 sc_if->msk_rdata.msk_jumbo_rx_ring_paddr, 3655 MSK_JUMBO_RX_RING_CNT - 1); 3656 error = msk_init_jumbo_rx_ring(sc_if); 3657 } else { 3658 msk_set_prefetch(sc, sc_if->msk_rxq, 3659 sc_if->msk_rdata.msk_rx_ring_paddr, 3660 MSK_RX_RING_CNT - 1); 3661 error = msk_init_rx_ring(sc_if); 3662 } 3663 if (error != 0) { 3664 device_printf(sc_if->msk_if_dev, 3665 "initialization failed: no memory for Rx buffers\n"); 3666 msk_stop(sc_if); 3667 return; 3668 } 3669 3670 /* Configure interrupt handling. */ 3671 if (sc_if->msk_port == MSK_PORT_A) { 3672 sc->msk_intrmask |= Y2_IS_PORT_A; 3673 sc->msk_intrhwemask |= Y2_HWE_L1_MASK; 3674 } else { 3675 sc->msk_intrmask |= Y2_IS_PORT_B; 3676 sc->msk_intrhwemask |= Y2_HWE_L2_MASK; 3677 } 3678 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask); 3679 CSR_READ_4(sc, B0_HWE_IMSK); 3680 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3681 CSR_READ_4(sc, B0_IMSK); 3682 3683 sc_if->msk_flags &= ~MSK_FLAG_LINK; 3684 mii_mediachg(mii); 3685 3686 ifp->if_drv_flags |= IFF_DRV_RUNNING; 3687 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3688 3689 callout_reset(&sc_if->msk_tick_ch, hz, msk_tick, sc_if); 3690} 3691 3692static void 3693msk_set_rambuffer(struct msk_if_softc *sc_if) 3694{ 3695 struct msk_softc *sc; 3696 int ltpp, utpp; 3697 3698 sc = sc_if->msk_softc; 3699 if ((sc_if->msk_flags & MSK_FLAG_RAMBUF) == 0) 3700 return; 3701 3702 /* Setup Rx Queue. */ 3703 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_CLR); 3704 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_START), 3705 sc->msk_rxqstart[sc_if->msk_port] / 8); 3706 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_END), 3707 sc->msk_rxqend[sc_if->msk_port] / 8); 3708 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_WP), 3709 sc->msk_rxqstart[sc_if->msk_port] / 8); 3710 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RP), 3711 sc->msk_rxqstart[sc_if->msk_port] / 8); 3712 3713 utpp = (sc->msk_rxqend[sc_if->msk_port] + 1 - 3714 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_ULPP) / 8; 3715 ltpp = (sc->msk_rxqend[sc_if->msk_port] + 1 - 3716 sc->msk_rxqstart[sc_if->msk_port] - MSK_RB_LLPP_B) / 8; 3717 if (sc->msk_rxqsize < MSK_MIN_RXQ_SIZE) 3718 ltpp += (MSK_RB_LLPP_B - MSK_RB_LLPP_S) / 8; 3719 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_UTPP), utpp); 3720 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_rxq, RB_RX_LTPP), ltpp); 3721 /* Set Rx priority(RB_RX_UTHP/RB_RX_LTHP) thresholds? */ 3722 3723 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_ENA_OP_MD); 3724 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL)); 3725 3726 /* Setup Tx Queue. */ 3727 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_CLR); 3728 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_START), 3729 sc->msk_txqstart[sc_if->msk_port] / 8); 3730 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_END), 3731 sc->msk_txqend[sc_if->msk_port] / 8); 3732 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_WP), 3733 sc->msk_txqstart[sc_if->msk_port] / 8); 3734 CSR_WRITE_4(sc, RB_ADDR(sc_if->msk_txq, RB_RP), 3735 sc->msk_txqstart[sc_if->msk_port] / 8); 3736 /* Enable Store & Forward for Tx side. */ 3737 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_STFWD); 3738 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_ENA_OP_MD); 3739 CSR_READ_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL)); 3740} 3741 3742static void 3743msk_set_prefetch(struct msk_softc *sc, int qaddr, bus_addr_t addr, 3744 uint32_t count) 3745{ 3746 3747 /* Reset the prefetch unit. */ 3748 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), 3749 PREF_UNIT_RST_SET); 3750 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), 3751 PREF_UNIT_RST_CLR); 3752 /* Set LE base address. */ 3753 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_LOW_REG), 3754 MSK_ADDR_LO(addr)); 3755 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_ADDR_HI_REG), 3756 MSK_ADDR_HI(addr)); 3757 /* Set the list last index. */ 3758 CSR_WRITE_2(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_LAST_IDX_REG), 3759 count); 3760 /* Turn on prefetch unit. */ 3761 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG), 3762 PREF_UNIT_OP_ON); 3763 /* Dummy read to ensure write. */ 3764 CSR_READ_4(sc, Y2_PREF_Q_ADDR(qaddr, PREF_UNIT_CTRL_REG)); 3765} 3766 3767static void 3768msk_stop(struct msk_if_softc *sc_if) 3769{ 3770 struct msk_softc *sc; 3771 struct msk_txdesc *txd; 3772 struct msk_rxdesc *rxd; 3773 struct msk_rxdesc *jrxd; 3774 struct ifnet *ifp; 3775 uint32_t val; 3776 int i; 3777 3778 MSK_IF_LOCK_ASSERT(sc_if); 3779 sc = sc_if->msk_softc; 3780 ifp = sc_if->msk_ifp; 3781 3782 callout_stop(&sc_if->msk_tick_ch); 3783 sc_if->msk_watchdog_timer = 0; 3784 3785 /* Disable interrupts. */ 3786 if (sc_if->msk_port == MSK_PORT_A) { 3787 sc->msk_intrmask &= ~Y2_IS_PORT_A; 3788 sc->msk_intrhwemask &= ~Y2_HWE_L1_MASK; 3789 } else { 3790 sc->msk_intrmask &= ~Y2_IS_PORT_B; 3791 sc->msk_intrhwemask &= ~Y2_HWE_L2_MASK; 3792 } 3793 CSR_WRITE_4(sc, B0_HWE_IMSK, sc->msk_intrhwemask); 3794 CSR_READ_4(sc, B0_HWE_IMSK); 3795 CSR_WRITE_4(sc, B0_IMSK, sc->msk_intrmask); 3796 CSR_READ_4(sc, B0_IMSK); 3797 3798 /* Disable Tx/Rx MAC. */ 3799 val = GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 3800 val &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA); 3801 GMAC_WRITE_2(sc, sc_if->msk_port, GM_GP_CTRL, val); 3802 /* Read again to ensure writing. */ 3803 GMAC_READ_2(sc, sc_if->msk_port, GM_GP_CTRL); 3804 /* Update stats and clear counters. */ 3805 msk_stats_update(sc_if); 3806 3807 /* Stop Tx BMU. */ 3808 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), BMU_STOP); 3809 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR)); 3810 for (i = 0; i < MSK_TIMEOUT; i++) { 3811 if ((val & (BMU_STOP | BMU_IDLE)) == 0) { 3812 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), 3813 BMU_STOP); 3814 val = CSR_READ_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR)); 3815 } else 3816 break; 3817 DELAY(1); 3818 } 3819 if (i == MSK_TIMEOUT) 3820 device_printf(sc_if->msk_if_dev, "Tx BMU stop failed\n"); 3821 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), 3822 RB_RST_SET | RB_DIS_OP_MD); 3823 3824 /* Disable all GMAC interrupt. */ 3825 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, GMAC_IRQ_MSK), 0); 3826 /* Disable PHY interrupt. */ 3827 msk_phy_writereg(sc_if, PHY_ADDR_MARV, PHY_MARV_INT_MASK, 0); 3828 3829 /* Disable the RAM Interface Arbiter. */ 3830 CSR_WRITE_1(sc, MR_ADDR(sc_if->msk_port, TXA_CTRL), TXA_DIS_ARB); 3831 3832 /* Reset the PCI FIFO of the async Tx queue */ 3833 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_txq, Q_CSR), 3834 BMU_RST_SET | BMU_FIFO_RST); 3835 3836 /* Reset the Tx prefetch units. */ 3837 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_txq, PREF_UNIT_CTRL_REG), 3838 PREF_UNIT_RST_SET); 3839 3840 /* Reset the RAM Buffer async Tx queue. */ 3841 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_txq, RB_CTRL), RB_RST_SET); 3842 3843 /* Reset Tx MAC FIFO. */ 3844 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, TX_GMF_CTRL_T), GMF_RST_SET); 3845 /* Set Pause Off. */ 3846 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, GMAC_CTRL), GMC_PAUSE_OFF); 3847 3848 /* 3849 * The Rx Stop command will not work for Yukon-2 if the BMU does not 3850 * reach the end of packet and since we can't make sure that we have 3851 * incoming data, we must reset the BMU while it is not during a DMA 3852 * transfer. Since it is possible that the Rx path is still active, 3853 * the Rx RAM buffer will be stopped first, so any possible incoming 3854 * data will not trigger a DMA. After the RAM buffer is stopped, the 3855 * BMU is polled until any DMA in progress is ended and only then it 3856 * will be reset. 3857 */ 3858 3859 /* Disable the RAM Buffer receive queue. */ 3860 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_DIS_OP_MD); 3861 for (i = 0; i < MSK_TIMEOUT; i++) { 3862 if (CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RSL)) == 3863 CSR_READ_1(sc, RB_ADDR(sc_if->msk_rxq, Q_RL))) 3864 break; 3865 DELAY(1); 3866 } 3867 if (i == MSK_TIMEOUT) 3868 device_printf(sc_if->msk_if_dev, "Rx BMU stop failed\n"); 3869 CSR_WRITE_4(sc, Q_ADDR(sc_if->msk_rxq, Q_CSR), 3870 BMU_RST_SET | BMU_FIFO_RST); 3871 /* Reset the Rx prefetch unit. */ 3872 CSR_WRITE_4(sc, Y2_PREF_Q_ADDR(sc_if->msk_rxq, PREF_UNIT_CTRL_REG), 3873 PREF_UNIT_RST_SET); 3874 /* Reset the RAM Buffer receive queue. */ 3875 CSR_WRITE_1(sc, RB_ADDR(sc_if->msk_rxq, RB_CTRL), RB_RST_SET); 3876 /* Reset Rx MAC FIFO. */ 3877 CSR_WRITE_4(sc, MR_ADDR(sc_if->msk_port, RX_GMF_CTRL_T), GMF_RST_SET); 3878 3879 /* Free Rx and Tx mbufs still in the queues. */ 3880 for (i = 0; i < MSK_RX_RING_CNT; i++) { 3881 rxd = &sc_if->msk_cdata.msk_rxdesc[i]; 3882 if (rxd->rx_m != NULL) { 3883 bus_dmamap_sync(sc_if->msk_cdata.msk_rx_tag, 3884 rxd->rx_dmamap, BUS_DMASYNC_POSTREAD); 3885 bus_dmamap_unload(sc_if->msk_cdata.msk_rx_tag, 3886 rxd->rx_dmamap); 3887 m_freem(rxd->rx_m); 3888 rxd->rx_m = NULL; 3889 } 3890 } 3891 for (i = 0; i < MSK_JUMBO_RX_RING_CNT; i++) { 3892 jrxd = &sc_if->msk_cdata.msk_jumbo_rxdesc[i]; 3893 if (jrxd->rx_m != NULL) { 3894 bus_dmamap_sync(sc_if->msk_cdata.msk_jumbo_rx_tag, 3895 jrxd->rx_dmamap, BUS_DMASYNC_POSTREAD); 3896 bus_dmamap_unload(sc_if->msk_cdata.msk_jumbo_rx_tag, 3897 jrxd->rx_dmamap); 3898 m_freem(jrxd->rx_m); 3899 jrxd->rx_m = NULL; 3900 } 3901 } 3902 for (i = 0; i < MSK_TX_RING_CNT; i++) { 3903 txd = &sc_if->msk_cdata.msk_txdesc[i]; 3904 if (txd->tx_m != NULL) { 3905 bus_dmamap_sync(sc_if->msk_cdata.msk_tx_tag, 3906 txd->tx_dmamap, BUS_DMASYNC_POSTWRITE); 3907 bus_dmamap_unload(sc_if->msk_cdata.msk_tx_tag, 3908 txd->tx_dmamap); 3909 m_freem(txd->tx_m); 3910 txd->tx_m = NULL; 3911 } 3912 } 3913 3914 /* 3915 * Mark the interface down. 3916 */ 3917 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 3918 sc_if->msk_flags &= ~MSK_FLAG_LINK; 3919} 3920 3921/* 3922 * When GM_PAR_MIB_CLR bit of GM_PHY_ADDR is set, reading lower 3923 * counter clears high 16 bits of the counter such that accessing 3924 * lower 16 bits should be the last operation. 3925 */ 3926#define MSK_READ_MIB32(x, y) \ 3927 (((uint32_t)GMAC_READ_2(sc, x, (y) + 4)) << 16) + \ 3928 (uint32_t)GMAC_READ_2(sc, x, y) 3929#define MSK_READ_MIB64(x, y) \ 3930 (((uint64_t)MSK_READ_MIB32(x, (y) + 8)) << 32) + \ 3931 (uint64_t)MSK_READ_MIB32(x, y) 3932 3933static void 3934msk_stats_clear(struct msk_if_softc *sc_if) 3935{ 3936 struct msk_softc *sc; 3937 uint32_t reg; 3938 uint16_t gmac; 3939 int i; 3940 3941 MSK_IF_LOCK_ASSERT(sc_if); 3942 3943 sc = sc_if->msk_softc; 3944 /* Set MIB Clear Counter Mode. */ 3945 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR); 3946 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR); 3947 /* Read all MIB Counters with Clear Mode set. */ 3948 for (i = GM_RXF_UC_OK; i <= GM_TXE_FIFO_UR; i++) 3949 reg = MSK_READ_MIB32(sc_if->msk_port, i); 3950 /* Clear MIB Clear Counter Mode. */ 3951 gmac &= ~GM_PAR_MIB_CLR; 3952 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac); 3953} 3954 3955static void 3956msk_stats_update(struct msk_if_softc *sc_if) 3957{ 3958 struct msk_softc *sc; 3959 struct ifnet *ifp; 3960 struct msk_hw_stats *stats; 3961 uint16_t gmac; 3962 uint32_t reg; 3963 3964 MSK_IF_LOCK_ASSERT(sc_if); 3965 3966 ifp = sc_if->msk_ifp; 3967 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 3968 return; 3969 sc = sc_if->msk_softc; 3970 stats = &sc_if->msk_stats; 3971 /* Set MIB Clear Counter Mode. */ 3972 gmac = GMAC_READ_2(sc, sc_if->msk_port, GM_PHY_ADDR); 3973 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac | GM_PAR_MIB_CLR); 3974 3975 /* Rx stats. */ 3976 stats->rx_ucast_frames += 3977 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_UC_OK); 3978 stats->rx_bcast_frames += 3979 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_BC_OK); 3980 stats->rx_pause_frames += 3981 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MPAUSE); 3982 stats->rx_mcast_frames += 3983 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MC_OK); 3984 stats->rx_crc_errs += 3985 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_FCS_ERR); 3986 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE1); 3987 stats->rx_good_octets += 3988 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_OK_LO); 3989 stats->rx_bad_octets += 3990 MSK_READ_MIB64(sc_if->msk_port, GM_RXO_ERR_LO); 3991 stats->rx_runts += 3992 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SHT); 3993 stats->rx_runt_errs += 3994 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FRAG); 3995 stats->rx_pkts_64 += 3996 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_64B); 3997 stats->rx_pkts_65_127 += 3998 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_127B); 3999 stats->rx_pkts_128_255 += 4000 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_255B); 4001 stats->rx_pkts_256_511 += 4002 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_511B); 4003 stats->rx_pkts_512_1023 += 4004 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1023B); 4005 stats->rx_pkts_1024_1518 += 4006 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_1518B); 4007 stats->rx_pkts_1519_max += 4008 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_MAX_SZ); 4009 stats->rx_pkts_too_long += 4010 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_LNG_ERR); 4011 stats->rx_pkts_jabbers += 4012 MSK_READ_MIB32(sc_if->msk_port, GM_RXF_JAB_PKT); 4013 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE2); 4014 stats->rx_fifo_oflows += 4015 MSK_READ_MIB32(sc_if->msk_port, GM_RXE_FIFO_OV); 4016 reg = MSK_READ_MIB32(sc_if->msk_port, GM_RXF_SPARE3); 4017 4018 /* Tx stats. */ 4019 stats->tx_ucast_frames += 4020 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_UC_OK); 4021 stats->tx_bcast_frames += 4022 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_BC_OK); 4023 stats->tx_pause_frames += 4024 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MPAUSE); 4025 stats->tx_mcast_frames += 4026 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MC_OK); 4027 stats->tx_octets += 4028 MSK_READ_MIB64(sc_if->msk_port, GM_TXO_OK_LO); 4029 stats->tx_pkts_64 += 4030 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_64B); 4031 stats->tx_pkts_65_127 += 4032 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_127B); 4033 stats->tx_pkts_128_255 += 4034 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_255B); 4035 stats->tx_pkts_256_511 += 4036 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_511B); 4037 stats->tx_pkts_512_1023 += 4038 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1023B); 4039 stats->tx_pkts_1024_1518 += 4040 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_1518B); 4041 stats->tx_pkts_1519_max += 4042 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MAX_SZ); 4043 reg = MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SPARE1); 4044 stats->tx_colls += 4045 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_COL); 4046 stats->tx_late_colls += 4047 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_LAT_COL); 4048 stats->tx_excess_colls += 4049 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_ABO_COL); 4050 stats->tx_multi_colls += 4051 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_MUL_COL); 4052 stats->tx_single_colls += 4053 MSK_READ_MIB32(sc_if->msk_port, GM_TXF_SNG_COL); 4054 stats->tx_underflows += 4055 MSK_READ_MIB32(sc_if->msk_port, GM_TXE_FIFO_UR); 4056 /* Clear MIB Clear Counter Mode. */ 4057 gmac &= ~GM_PAR_MIB_CLR; 4058 GMAC_WRITE_2(sc, sc_if->msk_port, GM_PHY_ADDR, gmac); 4059} 4060 4061static int 4062msk_sysctl_stat32(SYSCTL_HANDLER_ARGS) 4063{ 4064 struct msk_softc *sc; 4065 struct msk_if_softc *sc_if; 4066 uint32_t result, *stat; 4067 int off; 4068 4069 sc_if = (struct msk_if_softc *)arg1; 4070 sc = sc_if->msk_softc; 4071 off = arg2; 4072 stat = (uint32_t *)((uint8_t *)&sc_if->msk_stats + off); 4073 4074 MSK_IF_LOCK(sc_if); 4075 result = MSK_READ_MIB32(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2); 4076 result += *stat; 4077 MSK_IF_UNLOCK(sc_if); 4078 4079 return (sysctl_handle_int(oidp, &result, 0, req)); 4080} 4081 4082static int 4083msk_sysctl_stat64(SYSCTL_HANDLER_ARGS) 4084{ 4085 struct msk_softc *sc; 4086 struct msk_if_softc *sc_if; 4087 uint64_t result, *stat; 4088 int off; 4089 4090 sc_if = (struct msk_if_softc *)arg1; 4091 sc = sc_if->msk_softc; 4092 off = arg2; 4093 stat = (uint64_t *)((uint8_t *)&sc_if->msk_stats + off); 4094 4095 MSK_IF_LOCK(sc_if); 4096 result = MSK_READ_MIB64(sc_if->msk_port, GM_MIB_CNT_BASE + off * 2); 4097 result += *stat; 4098 MSK_IF_UNLOCK(sc_if); 4099 4100 return (sysctl_handle_quad(oidp, &result, 0, req)); 4101} 4102 4103#undef MSK_READ_MIB32 4104#undef MSK_READ_MIB64 4105 4106#define MSK_SYSCTL_STAT32(sc, c, o, p, n, d) \ 4107 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \ 4108 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat32, \ 4109 "IU", d) 4110#define MSK_SYSCTL_STAT64(sc, c, o, p, n, d) \ 4111 SYSCTL_ADD_PROC(c, p, OID_AUTO, o, CTLTYPE_UINT | CTLFLAG_RD, \ 4112 sc, offsetof(struct msk_hw_stats, n), msk_sysctl_stat64, \ 4113 "Q", d) 4114 4115static void 4116msk_sysctl_node(struct msk_if_softc *sc_if) 4117{ 4118 struct sysctl_ctx_list *ctx; 4119 struct sysctl_oid_list *child, *schild; 4120 struct sysctl_oid *tree; 4121 4122 ctx = device_get_sysctl_ctx(sc_if->msk_if_dev); 4123 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc_if->msk_if_dev)); 4124 4125 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 4126 NULL, "MSK Statistics"); 4127 schild = child = SYSCTL_CHILDREN(tree); 4128 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "rx", CTLFLAG_RD, 4129 NULL, "MSK RX Statistics"); 4130 child = SYSCTL_CHILDREN(tree); 4131 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames", 4132 child, rx_ucast_frames, "Good unicast frames"); 4133 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames", 4134 child, rx_bcast_frames, "Good broadcast frames"); 4135 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames", 4136 child, rx_pause_frames, "Pause frames"); 4137 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames", 4138 child, rx_mcast_frames, "Multicast frames"); 4139 MSK_SYSCTL_STAT32(sc_if, ctx, "crc_errs", 4140 child, rx_crc_errs, "CRC errors"); 4141 MSK_SYSCTL_STAT64(sc_if, ctx, "good_octets", 4142 child, rx_good_octets, "Good octets"); 4143 MSK_SYSCTL_STAT64(sc_if, ctx, "bad_octets", 4144 child, rx_bad_octets, "Bad octets"); 4145 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64", 4146 child, rx_pkts_64, "64 bytes frames"); 4147 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127", 4148 child, rx_pkts_65_127, "65 to 127 bytes frames"); 4149 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255", 4150 child, rx_pkts_128_255, "128 to 255 bytes frames"); 4151 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511", 4152 child, rx_pkts_256_511, "256 to 511 bytes frames"); 4153 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023", 4154 child, rx_pkts_512_1023, "512 to 1023 bytes frames"); 4155 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518", 4156 child, rx_pkts_1024_1518, "1024 to 1518 bytes frames"); 4157 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max", 4158 child, rx_pkts_1519_max, "1519 to max frames"); 4159 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_too_long", 4160 child, rx_pkts_too_long, "frames too long"); 4161 MSK_SYSCTL_STAT32(sc_if, ctx, "jabbers", 4162 child, rx_pkts_jabbers, "Jabber errors"); 4163 MSK_SYSCTL_STAT32(sc_if, ctx, "overflows", 4164 child, rx_fifo_oflows, "FIFO overflows"); 4165 4166 tree = SYSCTL_ADD_NODE(ctx, schild, OID_AUTO, "tx", CTLFLAG_RD, 4167 NULL, "MSK TX Statistics"); 4168 child = SYSCTL_CHILDREN(tree); 4169 MSK_SYSCTL_STAT32(sc_if, ctx, "ucast_frames", 4170 child, tx_ucast_frames, "Unicast frames"); 4171 MSK_SYSCTL_STAT32(sc_if, ctx, "bcast_frames", 4172 child, tx_bcast_frames, "Broadcast frames"); 4173 MSK_SYSCTL_STAT32(sc_if, ctx, "pause_frames", 4174 child, tx_pause_frames, "Pause frames"); 4175 MSK_SYSCTL_STAT32(sc_if, ctx, "mcast_frames", 4176 child, tx_mcast_frames, "Multicast frames"); 4177 MSK_SYSCTL_STAT64(sc_if, ctx, "octets", 4178 child, tx_octets, "Octets"); 4179 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_64", 4180 child, tx_pkts_64, "64 bytes frames"); 4181 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_65_127", 4182 child, tx_pkts_65_127, "65 to 127 bytes frames"); 4183 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_128_255", 4184 child, tx_pkts_128_255, "128 to 255 bytes frames"); 4185 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_256_511", 4186 child, tx_pkts_256_511, "256 to 511 bytes frames"); 4187 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_512_1023", 4188 child, tx_pkts_512_1023, "512 to 1023 bytes frames"); 4189 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1024_1518", 4190 child, tx_pkts_1024_1518, "1024 to 1518 bytes frames"); 4191 MSK_SYSCTL_STAT32(sc_if, ctx, "frames_1519_max", 4192 child, tx_pkts_1519_max, "1519 to max frames"); 4193 MSK_SYSCTL_STAT32(sc_if, ctx, "colls", 4194 child, tx_colls, "Collisions"); 4195 MSK_SYSCTL_STAT32(sc_if, ctx, "late_colls", 4196 child, tx_late_colls, "Late collisions"); 4197 MSK_SYSCTL_STAT32(sc_if, ctx, "excess_colls", 4198 child, tx_excess_colls, "Excessive collisions"); 4199 MSK_SYSCTL_STAT32(sc_if, ctx, "multi_colls", 4200 child, tx_multi_colls, "Multiple collisions"); 4201 MSK_SYSCTL_STAT32(sc_if, ctx, "single_colls", 4202 child, tx_single_colls, "Single collisions"); 4203 MSK_SYSCTL_STAT32(sc_if, ctx, "underflows", 4204 child, tx_underflows, "FIFO underflows"); 4205} 4206 4207#undef MSK_SYSCTL_STAT32 4208#undef MSK_SYSCTL_STAT64 4209 4210static int 4211sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high) 4212{ 4213 int error, value; 4214 4215 if (!arg1) 4216 return (EINVAL); 4217 value = *(int *)arg1; 4218 error = sysctl_handle_int(oidp, &value, 0, req); 4219 if (error || !req->newptr) 4220 return (error); 4221 if (value < low || value > high) 4222 return (EINVAL); 4223 *(int *)arg1 = value; 4224 4225 return (0); 4226} 4227 4228static int 4229sysctl_hw_msk_proc_limit(SYSCTL_HANDLER_ARGS) 4230{ 4231 4232 return (sysctl_int_range(oidp, arg1, arg2, req, MSK_PROC_MIN, 4233 MSK_PROC_MAX)); 4234}
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