1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011-2013 Qlogic Corporation 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * File: qla_os.c 32 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include "qla_os.h" 39 #include "qla_reg.h" 40 #include "qla_hw.h" 41 #include "qla_def.h" 42 #include "qla_inline.h" 43 #include "qla_ver.h" 44 #include "qla_glbl.h" 45 #include "qla_dbg.h" 46 47 /* 48 * Some PCI Configuration Space Related Defines 49 */ 50 51 #ifndef PCI_VENDOR_QLOGIC 52 #define PCI_VENDOR_QLOGIC 0x1077 53 #endif 54 55 #ifndef PCI_PRODUCT_QLOGIC_ISP8020 56 #define PCI_PRODUCT_QLOGIC_ISP8020 0x8020 57 #endif 58 59 #define PCI_QLOGIC_ISP8020 \ 60 ((PCI_PRODUCT_QLOGIC_ISP8020 << 16) | PCI_VENDOR_QLOGIC) 61 62 /* 63 * static functions 64 */ 65 static int qla_alloc_parent_dma_tag(qla_host_t *ha); 66 static void qla_free_parent_dma_tag(qla_host_t *ha); 67 static int qla_alloc_xmt_bufs(qla_host_t *ha); 68 static void qla_free_xmt_bufs(qla_host_t *ha); 69 static int qla_alloc_rcv_bufs(qla_host_t *ha); 70 static void qla_free_rcv_bufs(qla_host_t *ha); 71 72 static void qla_init_ifnet(device_t dev, qla_host_t *ha); 73 static int qla_sysctl_get_stats(SYSCTL_HANDLER_ARGS); 74 static void qla_release(qla_host_t *ha); 75 static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, 76 int error); 77 static void qla_stop(qla_host_t *ha); 78 static int qla_send(qla_host_t *ha, struct mbuf **m_headp); 79 static void qla_tx_done(void *context, int pending); 80 81 /* 82 * Hooks to the Operating Systems 83 */ 84 static int qla_pci_probe (device_t); 85 static int qla_pci_attach (device_t); 86 static int qla_pci_detach (device_t); 87 88 static void qla_init(void *arg); 89 static int qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); 90 static int qla_media_change(struct ifnet *ifp); 91 static void qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr); 92 93 static device_method_t qla_pci_methods[] = { 94 /* Device interface */ 95 DEVMETHOD(device_probe, qla_pci_probe), 96 DEVMETHOD(device_attach, qla_pci_attach), 97 DEVMETHOD(device_detach, qla_pci_detach), 98 { 0, 0 } 99 }; 100 101 static driver_t qla_pci_driver = { 102 "ql", qla_pci_methods, sizeof (qla_host_t), 103 }; 104 105 static devclass_t qla80xx_devclass; 106 107 DRIVER_MODULE(qla80xx, pci, qla_pci_driver, qla80xx_devclass, 0, 0); 108 109 MODULE_DEPEND(qla80xx, pci, 1, 1, 1); 110 MODULE_DEPEND(qla80xx, ether, 1, 1, 1); 111 112 MALLOC_DEFINE(M_QLA8XXXBUF, "qla80xxbuf", "Buffers for qla80xx driver"); 113 114 uint32_t std_replenish = 8; 115 uint32_t jumbo_replenish = 2; 116 uint32_t rcv_pkt_thres = 128; 117 uint32_t rcv_pkt_thres_d = 32; 118 uint32_t snd_pkt_thres = 16; 119 uint32_t free_pkt_thres = (NUM_TX_DESCRIPTORS / 2); 120 121 static char dev_str[64]; 122 123 /* 124 * Name: qla_pci_probe 125 * Function: Validate the PCI device to be a QLA80XX device 126 */ 127 static int 128 qla_pci_probe(device_t dev) 129 { 130 switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) { 131 case PCI_QLOGIC_ISP8020: 132 snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d", 133 "Qlogic ISP 80xx PCI CNA Adapter-Ethernet Function", 134 QLA_VERSION_MAJOR, QLA_VERSION_MINOR, 135 QLA_VERSION_BUILD); 136 device_set_desc(dev, dev_str); 137 break; 138 default: 139 return (ENXIO); 140 } 141 142 if (bootverbose) 143 printf("%s: %s\n ", __func__, dev_str); 144 145 return (BUS_PROBE_DEFAULT); 146 } 147 148 static void 149 qla_add_sysctls(qla_host_t *ha) 150 { 151 device_t dev = ha->pci_dev; 152 153 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 154 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 155 OID_AUTO, "stats", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 156 (void *)ha, 0, qla_sysctl_get_stats, "I", "Statistics"); 157 158 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), 159 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 160 OID_AUTO, "fw_version", CTLFLAG_RD, 161 ha->fw_ver_str, 0, "firmware version"); 162 163 dbg_level = 0; 164 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 165 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 166 OID_AUTO, "debug", CTLFLAG_RW, 167 &dbg_level, dbg_level, "Debug Level"); 168 169 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 170 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 171 OID_AUTO, "std_replenish", CTLFLAG_RW, 172 &std_replenish, std_replenish, 173 "Threshold for Replenishing Standard Frames"); 174 175 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 176 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 177 OID_AUTO, "jumbo_replenish", CTLFLAG_RW, 178 &jumbo_replenish, jumbo_replenish, 179 "Threshold for Replenishing Jumbo Frames"); 180 181 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 182 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 183 OID_AUTO, "rcv_pkt_thres", CTLFLAG_RW, 184 &rcv_pkt_thres, rcv_pkt_thres, 185 "Threshold for # of rcv pkts to trigger indication isr"); 186 187 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 188 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 189 OID_AUTO, "rcv_pkt_thres_d", CTLFLAG_RW, 190 &rcv_pkt_thres_d, rcv_pkt_thres_d, 191 "Threshold for # of rcv pkts to trigger indication defered"); 192 193 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 194 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 195 OID_AUTO, "snd_pkt_thres", CTLFLAG_RW, 196 &snd_pkt_thres, snd_pkt_thres, 197 "Threshold for # of snd packets"); 198 199 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 200 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 201 OID_AUTO, "free_pkt_thres", CTLFLAG_RW, 202 &free_pkt_thres, free_pkt_thres, 203 "Threshold for # of packets to free at a time"); 204 205 return; 206 } 207 208 static void 209 qla_watchdog(void *arg) 210 { 211 qla_host_t *ha = arg; 212 qla_hw_t *hw; 213 struct ifnet *ifp; 214 215 hw = &ha->hw; 216 ifp = ha->ifp; 217 218 if (ha->flags.qla_watchdog_exit) 219 return; 220 221 if (!ha->flags.qla_watchdog_pause) { 222 if (qla_le32_to_host(*(hw->tx_cons)) != hw->txr_comp) { 223 taskqueue_enqueue(ha->tx_tq, &ha->tx_task); 224 } else if ((ifp->if_snd.ifq_head != NULL) && QL_RUNNING(ifp)) { 225 taskqueue_enqueue(ha->tx_tq, &ha->tx_task); 226 } 227 } 228 ha->watchdog_ticks = (ha->watchdog_ticks + 1) % 1000; 229 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, 230 qla_watchdog, ha); 231 } 232 233 /* 234 * Name: qla_pci_attach 235 * Function: attaches the device to the operating system 236 */ 237 static int 238 qla_pci_attach(device_t dev) 239 { 240 qla_host_t *ha = NULL; 241 uint32_t rsrc_len, i; 242 243 QL_DPRINT2((dev, "%s: enter\n", __func__)); 244 245 if ((ha = device_get_softc(dev)) == NULL) { 246 device_printf(dev, "cannot get softc\n"); 247 return (ENOMEM); 248 } 249 250 memset(ha, 0, sizeof (qla_host_t)); 251 252 if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8020) { 253 device_printf(dev, "device is not ISP8020\n"); 254 return (ENXIO); 255 } 256 257 ha->pci_func = pci_get_function(dev); 258 259 ha->pci_dev = dev; 260 261 pci_enable_busmaster(dev); 262 263 ha->reg_rid = PCIR_BAR(0); 264 ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid, 265 RF_ACTIVE); 266 267 if (ha->pci_reg == NULL) { 268 device_printf(dev, "unable to map any ports\n"); 269 goto qla_pci_attach_err; 270 } 271 272 rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY, 273 ha->reg_rid); 274 275 mtx_init(&ha->hw_lock, "qla80xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF); 276 mtx_init(&ha->tx_lock, "qla80xx_tx_lock", MTX_NETWORK_LOCK, MTX_DEF); 277 mtx_init(&ha->rx_lock, "qla80xx_rx_lock", MTX_NETWORK_LOCK, MTX_DEF); 278 mtx_init(&ha->rxj_lock, "qla80xx_rxj_lock", MTX_NETWORK_LOCK, MTX_DEF); 279 ha->flags.lock_init = 1; 280 281 ha->msix_count = pci_msix_count(dev); 282 283 if (ha->msix_count < qla_get_msix_count(ha)) { 284 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__, 285 ha->msix_count); 286 goto qla_pci_attach_err; 287 } 288 289 QL_DPRINT2((dev, "%s: ha %p irq %p pci_func 0x%x rsrc_count 0x%08x" 290 " msix_count 0x%x pci_reg %p\n", __func__, ha, 291 ha->irq, ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg)); 292 293 ha->msix_count = qla_get_msix_count(ha); 294 295 if (pci_alloc_msix(dev, &ha->msix_count)) { 296 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__, 297 ha->msix_count); 298 ha->msix_count = 0; 299 goto qla_pci_attach_err; 300 } 301 302 TASK_INIT(&ha->tx_task, 0, qla_tx_done, ha); 303 ha->tx_tq = taskqueue_create_fast("qla_txq", M_NOWAIT, 304 taskqueue_thread_enqueue, &ha->tx_tq); 305 taskqueue_start_threads(&ha->tx_tq, 1, PI_NET, "%s txq", 306 device_get_nameunit(ha->pci_dev)); 307 308 for (i = 0; i < ha->msix_count; i++) { 309 ha->irq_vec[i].irq_rid = i+1; 310 ha->irq_vec[i].ha = ha; 311 312 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 313 &ha->irq_vec[i].irq_rid, 314 (RF_ACTIVE | RF_SHAREABLE)); 315 316 if (ha->irq_vec[i].irq == NULL) { 317 device_printf(dev, "could not allocate interrupt\n"); 318 goto qla_pci_attach_err; 319 } 320 321 if (bus_setup_intr(dev, ha->irq_vec[i].irq, 322 (INTR_TYPE_NET | INTR_MPSAFE), 323 NULL, qla_isr, &ha->irq_vec[i], 324 &ha->irq_vec[i].handle)) { 325 device_printf(dev, "could not setup interrupt\n"); 326 goto qla_pci_attach_err; 327 } 328 329 TASK_INIT(&ha->irq_vec[i].rcv_task, 0, qla_rcv,\ 330 &ha->irq_vec[i]); 331 332 ha->irq_vec[i].rcv_tq = taskqueue_create_fast("qla_rcvq", 333 M_NOWAIT, taskqueue_thread_enqueue, 334 &ha->irq_vec[i].rcv_tq); 335 336 taskqueue_start_threads(&ha->irq_vec[i].rcv_tq, 1, PI_NET, 337 "%s rcvq", 338 device_get_nameunit(ha->pci_dev)); 339 } 340 341 qla_add_sysctls(ha); 342 343 /* add hardware specific sysctls */ 344 qla_hw_add_sysctls(ha); 345 346 /* initialize hardware */ 347 if (qla_init_hw(ha)) { 348 device_printf(dev, "%s: qla_init_hw failed\n", __func__); 349 goto qla_pci_attach_err; 350 } 351 352 device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__, 353 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, 354 ha->fw_ver_build); 355 356 snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d", 357 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, 358 ha->fw_ver_build); 359 360 //qla_get_hw_caps(ha); 361 qla_read_mac_addr(ha); 362 363 /* allocate parent dma tag */ 364 if (qla_alloc_parent_dma_tag(ha)) { 365 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n", 366 __func__); 367 goto qla_pci_attach_err; 368 } 369 370 /* alloc all dma buffers */ 371 if (qla_alloc_dma(ha)) { 372 device_printf(dev, "%s: qla_alloc_dma failed\n", __func__); 373 goto qla_pci_attach_err; 374 } 375 376 /* create the o.s ethernet interface */ 377 qla_init_ifnet(dev, ha); 378 379 ha->flags.qla_watchdog_active = 1; 380 ha->flags.qla_watchdog_pause = 1; 381 382 callout_init(&ha->tx_callout, 1); 383 384 /* create ioctl device interface */ 385 if (qla_make_cdev(ha)) { 386 device_printf(dev, "%s: qla_make_cdev failed\n", __func__); 387 goto qla_pci_attach_err; 388 } 389 390 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, 391 qla_watchdog, ha); 392 393 QL_DPRINT2((dev, "%s: exit 0\n", __func__)); 394 return (0); 395 396 qla_pci_attach_err: 397 398 qla_release(ha); 399 400 QL_DPRINT2((dev, "%s: exit ENXIO\n", __func__)); 401 return (ENXIO); 402 } 403 404 /* 405 * Name: qla_pci_detach 406 * Function: Unhooks the device from the operating system 407 */ 408 static int 409 qla_pci_detach(device_t dev) 410 { 411 qla_host_t *ha = NULL; 412 int i; 413 414 QL_DPRINT2((dev, "%s: enter\n", __func__)); 415 416 if ((ha = device_get_softc(dev)) == NULL) { 417 device_printf(dev, "cannot get softc\n"); 418 return (ENOMEM); 419 } 420 421 QLA_LOCK(ha, __func__); 422 qla_stop(ha); 423 QLA_UNLOCK(ha, __func__); 424 425 if (ha->tx_tq) { 426 taskqueue_drain(ha->tx_tq, &ha->tx_task); 427 taskqueue_free(ha->tx_tq); 428 } 429 430 for (i = 0; i < ha->msix_count; i++) { 431 taskqueue_drain(ha->irq_vec[i].rcv_tq, 432 &ha->irq_vec[i].rcv_task); 433 taskqueue_free(ha->irq_vec[i].rcv_tq); 434 } 435 436 qla_release(ha); 437 438 QL_DPRINT2((dev, "%s: exit\n", __func__)); 439 440 return (0); 441 } 442 443 /* 444 * SYSCTL Related Callbacks 445 */ 446 static int 447 qla_sysctl_get_stats(SYSCTL_HANDLER_ARGS) 448 { 449 int err, ret = 0; 450 qla_host_t *ha; 451 452 err = sysctl_handle_int(oidp, &ret, 0, req); 453 454 if (err) 455 return (err); 456 457 ha = (qla_host_t *)arg1; 458 //qla_get_stats(ha); 459 QL_DPRINT2((ha->pci_dev, "%s: called ret %d\n", __func__, ret)); 460 return (err); 461 } 462 463 /* 464 * Name: qla_release 465 * Function: Releases the resources allocated for the device 466 */ 467 static void 468 qla_release(qla_host_t *ha) 469 { 470 device_t dev; 471 int i; 472 473 dev = ha->pci_dev; 474 475 qla_del_cdev(ha); 476 477 if (ha->flags.qla_watchdog_active) 478 ha->flags.qla_watchdog_exit = 1; 479 480 callout_stop(&ha->tx_callout); 481 qla_mdelay(__func__, 100); 482 483 if (ha->ifp != NULL) 484 ether_ifdetach(ha->ifp); 485 486 qla_free_dma(ha); 487 qla_free_parent_dma_tag(ha); 488 489 for (i = 0; i < ha->msix_count; i++) { 490 if (ha->irq_vec[i].handle) 491 (void)bus_teardown_intr(dev, ha->irq_vec[i].irq, 492 ha->irq_vec[i].handle); 493 if (ha->irq_vec[i].irq) 494 (void) bus_release_resource(dev, SYS_RES_IRQ, 495 ha->irq_vec[i].irq_rid, 496 ha->irq_vec[i].irq); 497 } 498 if (ha->msix_count) 499 pci_release_msi(dev); 500 501 if (ha->flags.lock_init) { 502 mtx_destroy(&ha->tx_lock); 503 mtx_destroy(&ha->rx_lock); 504 mtx_destroy(&ha->rxj_lock); 505 mtx_destroy(&ha->hw_lock); 506 } 507 508 if (ha->pci_reg) 509 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid, 510 ha->pci_reg); 511 } 512 513 /* 514 * DMA Related Functions 515 */ 516 517 static void 518 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 519 { 520 *((bus_addr_t *)arg) = 0; 521 522 if (error) { 523 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error); 524 return; 525 } 526 527 QL_ASSERT((nsegs == 1), ("%s: %d segments returned!", __func__, nsegs)); 528 529 *((bus_addr_t *)arg) = segs[0].ds_addr; 530 531 return; 532 } 533 534 int 535 qla_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) 536 { 537 int ret = 0; 538 device_t dev; 539 bus_addr_t b_addr; 540 541 dev = ha->pci_dev; 542 543 QL_DPRINT2((dev, "%s: enter\n", __func__)); 544 545 ret = bus_dma_tag_create( 546 ha->parent_tag,/* parent */ 547 dma_buf->alignment, 548 ((bus_size_t)(1ULL << 32)),/* boundary */ 549 BUS_SPACE_MAXADDR, /* lowaddr */ 550 BUS_SPACE_MAXADDR, /* highaddr */ 551 NULL, NULL, /* filter, filterarg */ 552 dma_buf->size, /* maxsize */ 553 1, /* nsegments */ 554 dma_buf->size, /* maxsegsize */ 555 0, /* flags */ 556 NULL, NULL, /* lockfunc, lockarg */ 557 &dma_buf->dma_tag); 558 559 if (ret) { 560 device_printf(dev, "%s: could not create dma tag\n", __func__); 561 goto qla_alloc_dmabuf_exit; 562 } 563 ret = bus_dmamem_alloc(dma_buf->dma_tag, 564 (void **)&dma_buf->dma_b, 565 (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT), 566 &dma_buf->dma_map); 567 if (ret) { 568 bus_dma_tag_destroy(dma_buf->dma_tag); 569 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__); 570 goto qla_alloc_dmabuf_exit; 571 } 572 573 ret = bus_dmamap_load(dma_buf->dma_tag, 574 dma_buf->dma_map, 575 dma_buf->dma_b, 576 dma_buf->size, 577 qla_dmamap_callback, 578 &b_addr, BUS_DMA_NOWAIT); 579 580 if (ret || !b_addr) { 581 bus_dma_tag_destroy(dma_buf->dma_tag); 582 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, 583 dma_buf->dma_map); 584 ret = -1; 585 goto qla_alloc_dmabuf_exit; 586 } 587 588 dma_buf->dma_addr = b_addr; 589 590 qla_alloc_dmabuf_exit: 591 QL_DPRINT2((dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n", 592 __func__, ret, (void *)dma_buf->dma_tag, 593 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b, 594 dma_buf->size)); 595 596 return ret; 597 } 598 599 void 600 qla_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) 601 { 602 bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map); 603 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map); 604 bus_dma_tag_destroy(dma_buf->dma_tag); 605 } 606 607 static int 608 qla_alloc_parent_dma_tag(qla_host_t *ha) 609 { 610 int ret; 611 device_t dev; 612 613 dev = ha->pci_dev; 614 615 /* 616 * Allocate parent DMA Tag 617 */ 618 ret = bus_dma_tag_create( 619 bus_get_dma_tag(dev), /* parent */ 620 1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */ 621 BUS_SPACE_MAXADDR, /* lowaddr */ 622 BUS_SPACE_MAXADDR, /* highaddr */ 623 NULL, NULL, /* filter, filterarg */ 624 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 625 0, /* nsegments */ 626 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 627 0, /* flags */ 628 NULL, NULL, /* lockfunc, lockarg */ 629 &ha->parent_tag); 630 631 if (ret) { 632 device_printf(dev, "%s: could not create parent dma tag\n", 633 __func__); 634 return (-1); 635 } 636 637 ha->flags.parent_tag = 1; 638 639 return (0); 640 } 641 642 static void 643 qla_free_parent_dma_tag(qla_host_t *ha) 644 { 645 if (ha->flags.parent_tag) { 646 bus_dma_tag_destroy(ha->parent_tag); 647 ha->flags.parent_tag = 0; 648 } 649 } 650 651 /* 652 * Name: qla_init_ifnet 653 * Function: Creates the Network Device Interface and Registers it with the O.S 654 */ 655 656 static void 657 qla_init_ifnet(device_t dev, qla_host_t *ha) 658 { 659 struct ifnet *ifp; 660 661 QL_DPRINT2((dev, "%s: enter\n", __func__)); 662 663 ifp = ha->ifp = if_alloc(IFT_ETHER); 664 665 if (ifp == NULL) 666 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev)); 667 668 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 669 670 ifp->if_mtu = ETHERMTU; 671 ifp->if_baudrate = IF_Gbps(10); 672 ifp->if_init = qla_init; 673 ifp->if_softc = ha; 674 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 675 ifp->if_ioctl = qla_ioctl; 676 ifp->if_start = qla_start; 677 678 IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha)); 679 ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha); 680 IFQ_SET_READY(&ifp->if_snd); 681 682 ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 683 684 ether_ifattach(ifp, qla_get_mac_addr(ha)); 685 686 ifp->if_capabilities = IFCAP_HWCSUM | 687 IFCAP_TSO4 | 688 IFCAP_JUMBO_MTU; 689 690 ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU; 691 ifp->if_capabilities |= IFCAP_LINKSTATE; 692 693 #if defined(__FreeBSD_version) && (__FreeBSD_version < 900002) 694 ifp->if_timer = 0; 695 ifp->if_watchdog = NULL; 696 #endif /* #if defined(__FreeBSD_version) && (__FreeBSD_version < 900002) */ 697 698 ifp->if_capenable = ifp->if_capabilities; 699 700 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 701 702 ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status); 703 704 ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0, 705 NULL); 706 ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL); 707 708 ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO)); 709 710 QL_DPRINT2((dev, "%s: exit\n", __func__)); 711 712 return; 713 } 714 715 static void 716 qla_init_locked(qla_host_t *ha) 717 { 718 struct ifnet *ifp = ha->ifp; 719 720 qla_stop(ha); 721 722 if (qla_alloc_xmt_bufs(ha) != 0) 723 return; 724 725 if (qla_alloc_rcv_bufs(ha) != 0) 726 return; 727 728 if (qla_config_lro(ha)) 729 return; 730 731 bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN); 732 733 ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO; 734 735 ha->flags.stop_rcv = 0; 736 if (qla_init_hw_if(ha) == 0) { 737 ifp = ha->ifp; 738 ifp->if_drv_flags |= IFF_DRV_RUNNING; 739 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 740 ha->flags.qla_watchdog_pause = 0; 741 } 742 743 return; 744 } 745 746 static void 747 qla_init(void *arg) 748 { 749 qla_host_t *ha; 750 751 ha = (qla_host_t *)arg; 752 753 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 754 755 QLA_LOCK(ha, __func__); 756 qla_init_locked(ha); 757 QLA_UNLOCK(ha, __func__); 758 759 QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__)); 760 } 761 762 static u_int 763 qla_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt) 764 { 765 uint8_t *mta = arg; 766 767 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS) 768 return (0); 769 bcopy(LLADDR(sdl), &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN); 770 771 return (1); 772 } 773 774 static void 775 qla_set_multi(qla_host_t *ha, uint32_t add_multi) 776 { 777 uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN]; 778 struct ifnet *ifp = ha->ifp; 779 int mcnt; 780 781 mcnt = if_foreach_llmaddr(ifp, qla_copy_maddr, mta); 782 qla_hw_set_multi(ha, mta, mcnt, add_multi); 783 784 return; 785 } 786 787 static int 788 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 789 { 790 int ret = 0; 791 struct ifreq *ifr = (struct ifreq *)data; 792 #ifdef INET 793 struct ifaddr *ifa = (struct ifaddr *)data; 794 #endif 795 qla_host_t *ha; 796 797 ha = (qla_host_t *)ifp->if_softc; 798 799 switch (cmd) { 800 case SIOCSIFADDR: 801 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n", 802 __func__, cmd)); 803 804 #ifdef INET 805 if (ifa->ifa_addr->sa_family == AF_INET) { 806 ifp->if_flags |= IFF_UP; 807 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 808 QLA_LOCK(ha, __func__); 809 qla_init_locked(ha); 810 QLA_UNLOCK(ha, __func__); 811 } 812 QL_DPRINT4((ha->pci_dev, 813 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n", 814 __func__, cmd, ntohl(IA_SIN(ifa)->sin_addr.s_addr))); 815 816 arp_ifinit(ifp, ifa); 817 if (ntohl(IA_SIN(ifa)->sin_addr.s_addr) != INADDR_ANY) { 818 qla_config_ipv4_addr(ha, 819 (IA_SIN(ifa)->sin_addr.s_addr)); 820 } 821 break; 822 } 823 #endif 824 ether_ioctl(ifp, cmd, data); 825 break; 826 827 case SIOCSIFMTU: 828 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n", 829 __func__, cmd)); 830 831 if (ifr->ifr_mtu > QLA_MAX_FRAME_SIZE - ETHER_HDR_LEN) { 832 ret = EINVAL; 833 } else { 834 QLA_LOCK(ha, __func__); 835 ifp->if_mtu = ifr->ifr_mtu; 836 ha->max_frame_size = 837 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 838 if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) { 839 ret = qla_set_max_mtu(ha, ha->max_frame_size, 840 (ha->hw.rx_cntxt_rsp)->rx_rsp.cntxt_id); 841 } 842 QLA_UNLOCK(ha, __func__); 843 844 if (ret) 845 ret = EINVAL; 846 } 847 848 break; 849 850 case SIOCSIFFLAGS: 851 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n", 852 __func__, cmd)); 853 854 if (ifp->if_flags & IFF_UP) { 855 if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) { 856 if ((ifp->if_flags ^ ha->if_flags) & 857 IFF_PROMISC) { 858 qla_set_promisc(ha); 859 } else if ((ifp->if_flags ^ ha->if_flags) & 860 IFF_ALLMULTI) { 861 qla_set_allmulti(ha); 862 } 863 } else { 864 QLA_LOCK(ha, __func__); 865 qla_init_locked(ha); 866 ha->max_frame_size = ifp->if_mtu + 867 ETHER_HDR_LEN + ETHER_CRC_LEN; 868 ret = qla_set_max_mtu(ha, ha->max_frame_size, 869 (ha->hw.rx_cntxt_rsp)->rx_rsp.cntxt_id); 870 QLA_UNLOCK(ha, __func__); 871 } 872 } else { 873 QLA_LOCK(ha, __func__); 874 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 875 qla_stop(ha); 876 ha->if_flags = ifp->if_flags; 877 QLA_UNLOCK(ha, __func__); 878 } 879 break; 880 881 case SIOCADDMULTI: 882 QL_DPRINT4((ha->pci_dev, 883 "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd)); 884 885 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 886 qla_set_multi(ha, 1); 887 } 888 break; 889 890 case SIOCDELMULTI: 891 QL_DPRINT4((ha->pci_dev, 892 "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd)); 893 894 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 895 qla_set_multi(ha, 0); 896 } 897 break; 898 899 case SIOCSIFMEDIA: 900 case SIOCGIFMEDIA: 901 QL_DPRINT4((ha->pci_dev, 902 "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n", 903 __func__, cmd)); 904 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd); 905 break; 906 907 case SIOCSIFCAP: 908 { 909 int mask = ifr->ifr_reqcap ^ ifp->if_capenable; 910 911 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n", 912 __func__, cmd)); 913 914 if (mask & IFCAP_HWCSUM) 915 ifp->if_capenable ^= IFCAP_HWCSUM; 916 if (mask & IFCAP_TSO4) 917 ifp->if_capenable ^= IFCAP_TSO4; 918 if (mask & IFCAP_TSO6) 919 ifp->if_capenable ^= IFCAP_TSO6; 920 if (mask & IFCAP_VLAN_HWTAGGING) 921 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 922 923 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 924 qla_init(ha); 925 926 VLAN_CAPABILITIES(ifp); 927 break; 928 } 929 930 default: 931 QL_DPRINT4((ha->pci_dev, "%s: default (0x%lx)\n", 932 __func__, cmd)); 933 ret = ether_ioctl(ifp, cmd, data); 934 break; 935 } 936 937 return (ret); 938 } 939 940 static int 941 qla_media_change(struct ifnet *ifp) 942 { 943 qla_host_t *ha; 944 struct ifmedia *ifm; 945 int ret = 0; 946 947 ha = (qla_host_t *)ifp->if_softc; 948 949 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 950 951 ifm = &ha->media; 952 953 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 954 ret = EINVAL; 955 956 QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__)); 957 958 return (ret); 959 } 960 961 static void 962 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 963 { 964 qla_host_t *ha; 965 966 ha = (qla_host_t *)ifp->if_softc; 967 968 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 969 970 ifmr->ifm_status = IFM_AVALID; 971 ifmr->ifm_active = IFM_ETHER; 972 973 qla_update_link_state(ha); 974 if (ha->hw.flags.link_up) { 975 ifmr->ifm_status |= IFM_ACTIVE; 976 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha)); 977 } 978 979 QL_DPRINT2((ha->pci_dev, "%s: exit (%s)\n", __func__,\ 980 (ha->hw.flags.link_up ? "link_up" : "link_down"))); 981 982 return; 983 } 984 985 void 986 qla_start(struct ifnet *ifp) 987 { 988 struct mbuf *m_head; 989 qla_host_t *ha = (qla_host_t *)ifp->if_softc; 990 991 QL_DPRINT8((ha->pci_dev, "%s: enter\n", __func__)); 992 993 if (!mtx_trylock(&ha->tx_lock)) { 994 QL_DPRINT8((ha->pci_dev, 995 "%s: mtx_trylock(&ha->tx_lock) failed\n", __func__)); 996 return; 997 } 998 999 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != 1000 IFF_DRV_RUNNING) { 1001 QL_DPRINT8((ha->pci_dev, "%s: !IFF_DRV_RUNNING\n", __func__)); 1002 QLA_TX_UNLOCK(ha); 1003 return; 1004 } 1005 1006 if (!ha->watchdog_ticks) 1007 qla_update_link_state(ha); 1008 1009 if (!ha->hw.flags.link_up) { 1010 QL_DPRINT8((ha->pci_dev, "%s: link down\n", __func__)); 1011 QLA_TX_UNLOCK(ha); 1012 return; 1013 } 1014 1015 while (ifp->if_snd.ifq_head != NULL) { 1016 IF_DEQUEUE(&ifp->if_snd, m_head); 1017 1018 if (m_head == NULL) { 1019 QL_DPRINT8((ha->pci_dev, "%s: m_head == NULL\n", 1020 __func__)); 1021 break; 1022 } 1023 1024 if (qla_send(ha, &m_head)) { 1025 if (m_head == NULL) 1026 break; 1027 QL_DPRINT8((ha->pci_dev, "%s: PREPEND\n", __func__)); 1028 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1029 IF_PREPEND(&ifp->if_snd, m_head); 1030 break; 1031 } 1032 /* Send a copy of the frame to the BPF listener */ 1033 ETHER_BPF_MTAP(ifp, m_head); 1034 } 1035 QLA_TX_UNLOCK(ha); 1036 QL_DPRINT8((ha->pci_dev, "%s: exit\n", __func__)); 1037 return; 1038 } 1039 1040 static int 1041 qla_send(qla_host_t *ha, struct mbuf **m_headp) 1042 { 1043 bus_dma_segment_t segs[QLA_MAX_SEGMENTS]; 1044 bus_dmamap_t map; 1045 int nsegs; 1046 int ret = -1; 1047 uint32_t tx_idx; 1048 struct mbuf *m_head = *m_headp; 1049 1050 QL_DPRINT8((ha->pci_dev, "%s: enter\n", __func__)); 1051 1052 if ((ret = bus_dmamap_create(ha->tx_tag, BUS_DMA_NOWAIT, &map))) { 1053 ha->err_tx_dmamap_create++; 1054 device_printf(ha->pci_dev, 1055 "%s: bus_dmamap_create failed[%d, %d]\n", 1056 __func__, ret, m_head->m_pkthdr.len); 1057 return (ret); 1058 } 1059 1060 ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs, 1061 BUS_DMA_NOWAIT); 1062 1063 if (ret == EFBIG) { 1064 struct mbuf *m; 1065 1066 QL_DPRINT8((ha->pci_dev, "%s: EFBIG [%d]\n", __func__, 1067 m_head->m_pkthdr.len)); 1068 1069 m = m_defrag(m_head, M_NOWAIT); 1070 if (m == NULL) { 1071 ha->err_tx_defrag++; 1072 m_freem(m_head); 1073 *m_headp = NULL; 1074 device_printf(ha->pci_dev, 1075 "%s: m_defrag() = NULL [%d]\n", 1076 __func__, ret); 1077 return (ENOBUFS); 1078 } 1079 m_head = m; 1080 1081 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, 1082 segs, &nsegs, BUS_DMA_NOWAIT))) { 1083 ha->err_tx_dmamap_load++; 1084 1085 device_printf(ha->pci_dev, 1086 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n", 1087 __func__, ret, m_head->m_pkthdr.len); 1088 1089 bus_dmamap_destroy(ha->tx_tag, map); 1090 if (ret != ENOMEM) { 1091 m_freem(m_head); 1092 *m_headp = NULL; 1093 } 1094 return (ret); 1095 } 1096 } else if (ret) { 1097 ha->err_tx_dmamap_load++; 1098 1099 device_printf(ha->pci_dev, 1100 "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n", 1101 __func__, ret, m_head->m_pkthdr.len); 1102 1103 bus_dmamap_destroy(ha->tx_tag, map); 1104 1105 if (ret != ENOMEM) { 1106 m_freem(m_head); 1107 *m_headp = NULL; 1108 } 1109 return (ret); 1110 } 1111 1112 QL_ASSERT((nsegs != 0), ("qla_send: empty packet")); 1113 1114 bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE); 1115 1116 if (!(ret = qla_hw_send(ha, segs, nsegs, &tx_idx, m_head))) { 1117 ha->tx_buf[tx_idx].m_head = m_head; 1118 ha->tx_buf[tx_idx].map = map; 1119 } else { 1120 if (ret == EINVAL) { 1121 m_freem(m_head); 1122 *m_headp = NULL; 1123 } 1124 } 1125 1126 QL_DPRINT8((ha->pci_dev, "%s: exit\n", __func__)); 1127 return (ret); 1128 } 1129 1130 static void 1131 qla_stop(qla_host_t *ha) 1132 { 1133 struct ifnet *ifp = ha->ifp; 1134 1135 ha->flags.qla_watchdog_pause = 1; 1136 qla_mdelay(__func__, 100); 1137 1138 ha->flags.stop_rcv = 1; 1139 qla_hw_stop_rcv(ha); 1140 1141 qla_del_hw_if(ha); 1142 1143 qla_free_lro(ha); 1144 1145 qla_free_xmt_bufs(ha); 1146 qla_free_rcv_bufs(ha); 1147 1148 ifp->if_drv_flags &= ~(IFF_DRV_OACTIVE | IFF_DRV_RUNNING); 1149 1150 return; 1151 } 1152 1153 /* 1154 * Buffer Management Functions for Transmit and Receive Rings 1155 */ 1156 static int 1157 qla_alloc_xmt_bufs(qla_host_t *ha) 1158 { 1159 if (bus_dma_tag_create(NULL, /* parent */ 1160 1, 0, /* alignment, bounds */ 1161 BUS_SPACE_MAXADDR, /* lowaddr */ 1162 BUS_SPACE_MAXADDR, /* highaddr */ 1163 NULL, NULL, /* filter, filterarg */ 1164 QLA_MAX_TSO_FRAME_SIZE, /* maxsize */ 1165 QLA_MAX_SEGMENTS, /* nsegments */ 1166 PAGE_SIZE, /* maxsegsize */ 1167 BUS_DMA_ALLOCNOW, /* flags */ 1168 NULL, /* lockfunc */ 1169 NULL, /* lockfuncarg */ 1170 &ha->tx_tag)) { 1171 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n", 1172 __func__); 1173 return (ENOMEM); 1174 } 1175 bzero((void *)ha->tx_buf, (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); 1176 1177 return 0; 1178 } 1179 1180 /* 1181 * Release mbuf after it sent on the wire 1182 */ 1183 static void 1184 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb) 1185 { 1186 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 1187 1188 if (txb->m_head) { 1189 bus_dmamap_unload(ha->tx_tag, txb->map); 1190 bus_dmamap_destroy(ha->tx_tag, txb->map); 1191 1192 m_freem(txb->m_head); 1193 txb->m_head = NULL; 1194 } 1195 1196 QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__)); 1197 } 1198 1199 static void 1200 qla_free_xmt_bufs(qla_host_t *ha) 1201 { 1202 int i; 1203 1204 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) 1205 qla_clear_tx_buf(ha, &ha->tx_buf[i]); 1206 1207 if (ha->tx_tag != NULL) { 1208 bus_dma_tag_destroy(ha->tx_tag); 1209 ha->tx_tag = NULL; 1210 } 1211 bzero((void *)ha->tx_buf, (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); 1212 1213 return; 1214 } 1215 1216 static int 1217 qla_alloc_rcv_bufs(qla_host_t *ha) 1218 { 1219 int i, j, ret = 0; 1220 qla_rx_buf_t *rxb; 1221 1222 if (bus_dma_tag_create(NULL, /* parent */ 1223 1, 0, /* alignment, bounds */ 1224 BUS_SPACE_MAXADDR, /* lowaddr */ 1225 BUS_SPACE_MAXADDR, /* highaddr */ 1226 NULL, NULL, /* filter, filterarg */ 1227 MJUM9BYTES, /* maxsize */ 1228 1, /* nsegments */ 1229 MJUM9BYTES, /* maxsegsize */ 1230 BUS_DMA_ALLOCNOW, /* flags */ 1231 NULL, /* lockfunc */ 1232 NULL, /* lockfuncarg */ 1233 &ha->rx_tag)) { 1234 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n", 1235 __func__); 1236 1237 return (ENOMEM); 1238 } 1239 1240 bzero((void *)ha->rx_buf, (sizeof(qla_rx_buf_t) * NUM_RX_DESCRIPTORS)); 1241 bzero((void *)ha->rx_jbuf, 1242 (sizeof(qla_rx_buf_t) * NUM_RX_JUMBO_DESCRIPTORS)); 1243 1244 for (i = 0; i < MAX_SDS_RINGS; i++) { 1245 ha->hw.sds[i].sdsr_next = 0; 1246 ha->hw.sds[i].rxb_free = NULL; 1247 ha->hw.sds[i].rx_free = 0; 1248 ha->hw.sds[i].rxjb_free = NULL; 1249 ha->hw.sds[i].rxj_free = 0; 1250 } 1251 1252 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1253 rxb = &ha->rx_buf[i]; 1254 1255 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT, &rxb->map); 1256 1257 if (ret) { 1258 device_printf(ha->pci_dev, 1259 "%s: dmamap[%d] failed\n", __func__, i); 1260 1261 for (j = 0; j < i; j++) { 1262 bus_dmamap_destroy(ha->rx_tag, 1263 ha->rx_buf[j].map); 1264 } 1265 goto qla_alloc_rcv_bufs_failed; 1266 } 1267 } 1268 1269 qla_init_hw_rcv_descriptors(ha, RDS_RING_INDEX_NORMAL); 1270 1271 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1272 rxb = &ha->rx_buf[i]; 1273 rxb->handle = i; 1274 if (!(ret = qla_get_mbuf(ha, rxb, NULL, 0))) { 1275 /* 1276 * set the physical address in the corresponding 1277 * descriptor entry in the receive ring/queue for the 1278 * hba 1279 */ 1280 qla_set_hw_rcv_desc(ha, RDS_RING_INDEX_NORMAL, i, 1281 rxb->handle, rxb->paddr, 1282 (rxb->m_head)->m_pkthdr.len); 1283 } else { 1284 device_printf(ha->pci_dev, 1285 "%s: qla_get_mbuf [standard(%d)] failed\n", 1286 __func__, i); 1287 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1288 goto qla_alloc_rcv_bufs_failed; 1289 } 1290 } 1291 1292 for (i = 0; i < NUM_RX_JUMBO_DESCRIPTORS; i++) { 1293 rxb = &ha->rx_jbuf[i]; 1294 1295 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT, &rxb->map); 1296 1297 if (ret) { 1298 device_printf(ha->pci_dev, 1299 "%s: dmamap[%d] failed\n", __func__, i); 1300 1301 for (j = 0; j < i; j++) { 1302 bus_dmamap_destroy(ha->rx_tag, 1303 ha->rx_jbuf[j].map); 1304 } 1305 goto qla_alloc_rcv_bufs_failed; 1306 } 1307 } 1308 1309 qla_init_hw_rcv_descriptors(ha, RDS_RING_INDEX_JUMBO); 1310 1311 for (i = 0; i < NUM_RX_JUMBO_DESCRIPTORS; i++) { 1312 rxb = &ha->rx_jbuf[i]; 1313 rxb->handle = i; 1314 if (!(ret = qla_get_mbuf(ha, rxb, NULL, 1))) { 1315 /* 1316 * set the physical address in the corresponding 1317 * descriptor entry in the receive ring/queue for the 1318 * hba 1319 */ 1320 qla_set_hw_rcv_desc(ha, RDS_RING_INDEX_JUMBO, i, 1321 rxb->handle, rxb->paddr, 1322 (rxb->m_head)->m_pkthdr.len); 1323 } else { 1324 device_printf(ha->pci_dev, 1325 "%s: qla_get_mbuf [jumbo(%d)] failed\n", 1326 __func__, i); 1327 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1328 goto qla_alloc_rcv_bufs_failed; 1329 } 1330 } 1331 1332 return (0); 1333 1334 qla_alloc_rcv_bufs_failed: 1335 qla_free_rcv_bufs(ha); 1336 return (ret); 1337 } 1338 1339 static void 1340 qla_free_rcv_bufs(qla_host_t *ha) 1341 { 1342 int i; 1343 qla_rx_buf_t *rxb; 1344 1345 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1346 rxb = &ha->rx_buf[i]; 1347 if (rxb->m_head != NULL) { 1348 bus_dmamap_unload(ha->rx_tag, rxb->map); 1349 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1350 m_freem(rxb->m_head); 1351 rxb->m_head = NULL; 1352 } 1353 } 1354 1355 for (i = 0; i < NUM_RX_JUMBO_DESCRIPTORS; i++) { 1356 rxb = &ha->rx_jbuf[i]; 1357 if (rxb->m_head != NULL) { 1358 bus_dmamap_unload(ha->rx_tag, rxb->map); 1359 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1360 m_freem(rxb->m_head); 1361 rxb->m_head = NULL; 1362 } 1363 } 1364 1365 if (ha->rx_tag != NULL) { 1366 bus_dma_tag_destroy(ha->rx_tag); 1367 ha->rx_tag = NULL; 1368 } 1369 1370 bzero((void *)ha->rx_buf, (sizeof(qla_rx_buf_t) * NUM_RX_DESCRIPTORS)); 1371 bzero((void *)ha->rx_jbuf, 1372 (sizeof(qla_rx_buf_t) * NUM_RX_JUMBO_DESCRIPTORS)); 1373 1374 for (i = 0; i < MAX_SDS_RINGS; i++) { 1375 ha->hw.sds[i].sdsr_next = 0; 1376 ha->hw.sds[i].rxb_free = NULL; 1377 ha->hw.sds[i].rx_free = 0; 1378 ha->hw.sds[i].rxjb_free = NULL; 1379 ha->hw.sds[i].rxj_free = 0; 1380 } 1381 1382 return; 1383 } 1384 1385 int 1386 qla_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp, 1387 uint32_t jumbo) 1388 { 1389 struct mbuf *mp = nmp; 1390 int ret = 0; 1391 uint32_t offset; 1392 1393 QL_DPRINT2((ha->pci_dev, "%s: jumbo(0x%x) enter\n", __func__, jumbo)); 1394 1395 if (mp == NULL) { 1396 if (!jumbo) { 1397 mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1398 1399 if (mp == NULL) { 1400 ha->err_m_getcl++; 1401 ret = ENOBUFS; 1402 device_printf(ha->pci_dev, 1403 "%s: m_getcl failed\n", __func__); 1404 goto exit_qla_get_mbuf; 1405 } 1406 mp->m_len = mp->m_pkthdr.len = MCLBYTES; 1407 } else { 1408 mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 1409 MJUM9BYTES); 1410 if (mp == NULL) { 1411 ha->err_m_getjcl++; 1412 ret = ENOBUFS; 1413 device_printf(ha->pci_dev, 1414 "%s: m_getjcl failed\n", __func__); 1415 goto exit_qla_get_mbuf; 1416 } 1417 mp->m_len = mp->m_pkthdr.len = MJUM9BYTES; 1418 } 1419 } else { 1420 if (!jumbo) 1421 mp->m_len = mp->m_pkthdr.len = MCLBYTES; 1422 else 1423 mp->m_len = mp->m_pkthdr.len = MJUM9BYTES; 1424 1425 mp->m_data = mp->m_ext.ext_buf; 1426 mp->m_next = NULL; 1427 } 1428 1429 offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL); 1430 if (offset) { 1431 offset = 8 - offset; 1432 m_adj(mp, offset); 1433 } 1434 1435 /* 1436 * Using memory from the mbuf cluster pool, invoke the bus_dma 1437 * machinery to arrange the memory mapping. 1438 */ 1439 ret = bus_dmamap_load(ha->rx_tag, rxb->map, 1440 mtod(mp, void *), mp->m_len, 1441 qla_dmamap_callback, &rxb->paddr, 1442 BUS_DMA_NOWAIT); 1443 if (ret || !rxb->paddr) { 1444 m_free(mp); 1445 rxb->m_head = NULL; 1446 device_printf(ha->pci_dev, 1447 "%s: bus_dmamap_load failed\n", __func__); 1448 ret = -1; 1449 goto exit_qla_get_mbuf; 1450 } 1451 rxb->m_head = mp; 1452 bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD); 1453 1454 exit_qla_get_mbuf: 1455 QL_DPRINT2((ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret)); 1456 return (ret); 1457 } 1458 1459 static void 1460 qla_tx_done(void *context, int pending) 1461 { 1462 qla_host_t *ha = context; 1463 1464 qla_hw_tx_done(ha); 1465 qla_start(ha->ifp); 1466 } 1467