1 /* 2 * Copyright (c) 2011-2013 Qlogic Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * File: qla_os.c 30 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD$"); 35 36 #include "qla_os.h" 37 #include "qla_reg.h" 38 #include "qla_hw.h" 39 #include "qla_def.h" 40 #include "qla_inline.h" 41 #include "qla_ver.h" 42 #include "qla_glbl.h" 43 #include "qla_dbg.h" 44 45 /* 46 * Some PCI Configuration Space Related Defines 47 */ 48 49 #ifndef PCI_VENDOR_QLOGIC 50 #define PCI_VENDOR_QLOGIC 0x1077 51 #endif 52 53 #ifndef PCI_PRODUCT_QLOGIC_ISP8020 54 #define PCI_PRODUCT_QLOGIC_ISP8020 0x8020 55 #endif 56 57 #define PCI_QLOGIC_ISP8020 \ 58 ((PCI_PRODUCT_QLOGIC_ISP8020 << 16) | PCI_VENDOR_QLOGIC) 59 60 /* 61 * static functions 62 */ 63 static int qla_alloc_parent_dma_tag(qla_host_t *ha); 64 static void qla_free_parent_dma_tag(qla_host_t *ha); 65 static int qla_alloc_xmt_bufs(qla_host_t *ha); 66 static void qla_free_xmt_bufs(qla_host_t *ha); 67 static int qla_alloc_rcv_bufs(qla_host_t *ha); 68 static void qla_free_rcv_bufs(qla_host_t *ha); 69 70 static void qla_init_ifnet(device_t dev, qla_host_t *ha); 71 static int qla_sysctl_get_stats(SYSCTL_HANDLER_ARGS); 72 static void qla_release(qla_host_t *ha); 73 static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, 74 int error); 75 static void qla_stop(qla_host_t *ha); 76 static int qla_send(qla_host_t *ha, struct mbuf **m_headp); 77 static void qla_tx_done(void *context, int pending); 78 79 /* 80 * Hooks to the Operating Systems 81 */ 82 static int qla_pci_probe (device_t); 83 static int qla_pci_attach (device_t); 84 static int qla_pci_detach (device_t); 85 86 static void qla_init(void *arg); 87 static int qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data); 88 static int qla_media_change(struct ifnet *ifp); 89 static void qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr); 90 91 static device_method_t qla_pci_methods[] = { 92 /* Device interface */ 93 DEVMETHOD(device_probe, qla_pci_probe), 94 DEVMETHOD(device_attach, qla_pci_attach), 95 DEVMETHOD(device_detach, qla_pci_detach), 96 { 0, 0 } 97 }; 98 99 static driver_t qla_pci_driver = { 100 "ql", qla_pci_methods, sizeof (qla_host_t), 101 }; 102 103 static devclass_t qla80xx_devclass; 104 105 DRIVER_MODULE(qla80xx, pci, qla_pci_driver, qla80xx_devclass, 0, 0); 106 107 MODULE_DEPEND(qla80xx, pci, 1, 1, 1); 108 MODULE_DEPEND(qla80xx, ether, 1, 1, 1); 109 110 MALLOC_DEFINE(M_QLA8XXXBUF, "qla80xxbuf", "Buffers for qla80xx driver"); 111 112 uint32_t std_replenish = 8; 113 uint32_t jumbo_replenish = 2; 114 uint32_t rcv_pkt_thres = 128; 115 uint32_t rcv_pkt_thres_d = 32; 116 uint32_t snd_pkt_thres = 16; 117 uint32_t free_pkt_thres = (NUM_TX_DESCRIPTORS / 2); 118 119 static char dev_str[64]; 120 121 /* 122 * Name: qla_pci_probe 123 * Function: Validate the PCI device to be a QLA80XX device 124 */ 125 static int 126 qla_pci_probe(device_t dev) 127 { 128 switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) { 129 case PCI_QLOGIC_ISP8020: 130 snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d", 131 "Qlogic ISP 80xx PCI CNA Adapter-Ethernet Function", 132 QLA_VERSION_MAJOR, QLA_VERSION_MINOR, 133 QLA_VERSION_BUILD); 134 device_set_desc(dev, dev_str); 135 break; 136 default: 137 return (ENXIO); 138 } 139 140 if (bootverbose) 141 printf("%s: %s\n ", __func__, dev_str); 142 143 return (BUS_PROBE_DEFAULT); 144 } 145 146 static void 147 qla_add_sysctls(qla_host_t *ha) 148 { 149 device_t dev = ha->pci_dev; 150 151 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), 152 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 153 OID_AUTO, "stats", CTLTYPE_INT | CTLFLAG_RD, 154 (void *)ha, 0, 155 qla_sysctl_get_stats, "I", "Statistics"); 156 157 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev), 158 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 159 OID_AUTO, "fw_version", CTLFLAG_RD, 160 ha->fw_ver_str, 0, "firmware version"); 161 162 dbg_level = 0; 163 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 164 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 165 OID_AUTO, "debug", CTLFLAG_RW, 166 &dbg_level, dbg_level, "Debug Level"); 167 168 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 169 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 170 OID_AUTO, "std_replenish", CTLFLAG_RW, 171 &std_replenish, std_replenish, 172 "Threshold for Replenishing Standard Frames"); 173 174 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 175 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 176 OID_AUTO, "jumbo_replenish", CTLFLAG_RW, 177 &jumbo_replenish, jumbo_replenish, 178 "Threshold for Replenishing Jumbo Frames"); 179 180 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 181 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 182 OID_AUTO, "rcv_pkt_thres", CTLFLAG_RW, 183 &rcv_pkt_thres, rcv_pkt_thres, 184 "Threshold for # of rcv pkts to trigger indication isr"); 185 186 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 187 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 188 OID_AUTO, "rcv_pkt_thres_d", CTLFLAG_RW, 189 &rcv_pkt_thres_d, rcv_pkt_thres_d, 190 "Threshold for # of rcv pkts to trigger indication defered"); 191 192 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 193 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 194 OID_AUTO, "snd_pkt_thres", CTLFLAG_RW, 195 &snd_pkt_thres, snd_pkt_thres, 196 "Threshold for # of snd packets"); 197 198 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev), 199 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 200 OID_AUTO, "free_pkt_thres", CTLFLAG_RW, 201 &free_pkt_thres, free_pkt_thres, 202 "Threshold for # of packets to free at a time"); 203 204 return; 205 } 206 207 static void 208 qla_watchdog(void *arg) 209 { 210 qla_host_t *ha = arg; 211 qla_hw_t *hw; 212 struct ifnet *ifp; 213 214 hw = &ha->hw; 215 ifp = ha->ifp; 216 217 if (ha->flags.qla_watchdog_exit) 218 return; 219 220 if (!ha->flags.qla_watchdog_pause) { 221 if (qla_le32_to_host(*(hw->tx_cons)) != hw->txr_comp) { 222 taskqueue_enqueue(ha->tx_tq, &ha->tx_task); 223 } else if ((ifp->if_snd.ifq_head != NULL) && QL_RUNNING(ifp)) { 224 taskqueue_enqueue(ha->tx_tq, &ha->tx_task); 225 } 226 } 227 ha->watchdog_ticks = ha->watchdog_ticks++ % 1000; 228 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, 229 qla_watchdog, ha); 230 } 231 232 /* 233 * Name: qla_pci_attach 234 * Function: attaches the device to the operating system 235 */ 236 static int 237 qla_pci_attach(device_t dev) 238 { 239 qla_host_t *ha = NULL; 240 uint32_t rsrc_len, i; 241 242 QL_DPRINT2((dev, "%s: enter\n", __func__)); 243 244 if ((ha = device_get_softc(dev)) == NULL) { 245 device_printf(dev, "cannot get softc\n"); 246 return (ENOMEM); 247 } 248 249 memset(ha, 0, sizeof (qla_host_t)); 250 251 if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8020) { 252 device_printf(dev, "device is not ISP8020\n"); 253 return (ENXIO); 254 } 255 256 ha->pci_func = pci_get_function(dev); 257 258 ha->pci_dev = dev; 259 260 pci_enable_busmaster(dev); 261 262 ha->reg_rid = PCIR_BAR(0); 263 ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid, 264 RF_ACTIVE); 265 266 if (ha->pci_reg == NULL) { 267 device_printf(dev, "unable to map any ports\n"); 268 goto qla_pci_attach_err; 269 } 270 271 rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY, 272 ha->reg_rid); 273 274 mtx_init(&ha->hw_lock, "qla80xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF); 275 mtx_init(&ha->tx_lock, "qla80xx_tx_lock", MTX_NETWORK_LOCK, MTX_DEF); 276 mtx_init(&ha->rx_lock, "qla80xx_rx_lock", MTX_NETWORK_LOCK, MTX_DEF); 277 mtx_init(&ha->rxj_lock, "qla80xx_rxj_lock", MTX_NETWORK_LOCK, MTX_DEF); 278 ha->flags.lock_init = 1; 279 280 ha->msix_count = pci_msix_count(dev); 281 282 if (ha->msix_count < qla_get_msix_count(ha)) { 283 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__, 284 ha->msix_count); 285 goto qla_pci_attach_err; 286 } 287 288 QL_DPRINT2((dev, "%s: ha %p irq %p pci_func 0x%x rsrc_count 0x%08x" 289 " msix_count 0x%x pci_reg %p\n", __func__, ha, 290 ha->irq, ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg)); 291 292 ha->msix_count = qla_get_msix_count(ha); 293 294 if (pci_alloc_msix(dev, &ha->msix_count)) { 295 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__, 296 ha->msix_count); 297 ha->msix_count = 0; 298 goto qla_pci_attach_err; 299 } 300 301 TASK_INIT(&ha->tx_task, 0, qla_tx_done, ha); 302 ha->tx_tq = taskqueue_create_fast("qla_txq", M_NOWAIT, 303 taskqueue_thread_enqueue, &ha->tx_tq); 304 taskqueue_start_threads(&ha->tx_tq, 1, PI_NET, "%s txq", 305 device_get_nameunit(ha->pci_dev)); 306 307 for (i = 0; i < ha->msix_count; i++) { 308 ha->irq_vec[i].irq_rid = i+1; 309 ha->irq_vec[i].ha = ha; 310 311 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 312 &ha->irq_vec[i].irq_rid, 313 (RF_ACTIVE | RF_SHAREABLE)); 314 315 if (ha->irq_vec[i].irq == NULL) { 316 device_printf(dev, "could not allocate interrupt\n"); 317 goto qla_pci_attach_err; 318 } 319 320 if (bus_setup_intr(dev, ha->irq_vec[i].irq, 321 (INTR_TYPE_NET | INTR_MPSAFE), 322 NULL, qla_isr, &ha->irq_vec[i], 323 &ha->irq_vec[i].handle)) { 324 device_printf(dev, "could not setup interrupt\n"); 325 goto qla_pci_attach_err; 326 } 327 328 TASK_INIT(&ha->irq_vec[i].rcv_task, 0, qla_rcv,\ 329 &ha->irq_vec[i]); 330 331 ha->irq_vec[i].rcv_tq = taskqueue_create_fast("qla_rcvq", 332 M_NOWAIT, taskqueue_thread_enqueue, 333 &ha->irq_vec[i].rcv_tq); 334 335 taskqueue_start_threads(&ha->irq_vec[i].rcv_tq, 1, PI_NET, 336 "%s rcvq", 337 device_get_nameunit(ha->pci_dev)); 338 } 339 340 qla_add_sysctls(ha); 341 342 /* add hardware specific sysctls */ 343 qla_hw_add_sysctls(ha); 344 345 /* initialize hardware */ 346 if (qla_init_hw(ha)) { 347 device_printf(dev, "%s: qla_init_hw failed\n", __func__); 348 goto qla_pci_attach_err; 349 } 350 351 device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__, 352 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, 353 ha->fw_ver_build); 354 355 snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d", 356 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub, 357 ha->fw_ver_build); 358 359 //qla_get_hw_caps(ha); 360 qla_read_mac_addr(ha); 361 362 /* allocate parent dma tag */ 363 if (qla_alloc_parent_dma_tag(ha)) { 364 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n", 365 __func__); 366 goto qla_pci_attach_err; 367 } 368 369 /* alloc all dma buffers */ 370 if (qla_alloc_dma(ha)) { 371 device_printf(dev, "%s: qla_alloc_dma failed\n", __func__); 372 goto qla_pci_attach_err; 373 } 374 375 /* create the o.s ethernet interface */ 376 qla_init_ifnet(dev, ha); 377 378 ha->flags.qla_watchdog_active = 1; 379 ha->flags.qla_watchdog_pause = 1; 380 381 callout_init(&ha->tx_callout, 1); 382 383 /* create ioctl device interface */ 384 if (qla_make_cdev(ha)) { 385 device_printf(dev, "%s: qla_make_cdev failed\n", __func__); 386 goto qla_pci_attach_err; 387 } 388 389 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS, 390 qla_watchdog, ha); 391 392 QL_DPRINT2((dev, "%s: exit 0\n", __func__)); 393 return (0); 394 395 qla_pci_attach_err: 396 397 qla_release(ha); 398 399 QL_DPRINT2((dev, "%s: exit ENXIO\n", __func__)); 400 return (ENXIO); 401 } 402 403 /* 404 * Name: qla_pci_detach 405 * Function: Unhooks the device from the operating system 406 */ 407 static int 408 qla_pci_detach(device_t dev) 409 { 410 qla_host_t *ha = NULL; 411 struct ifnet *ifp; 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 ifp = ha->ifp; 422 423 QLA_LOCK(ha, __func__); 424 qla_stop(ha); 425 QLA_UNLOCK(ha, __func__); 426 427 if (ha->tx_tq) { 428 taskqueue_drain(ha->tx_tq, &ha->tx_task); 429 taskqueue_free(ha->tx_tq); 430 } 431 432 for (i = 0; i < ha->msix_count; i++) { 433 taskqueue_drain(ha->irq_vec[i].rcv_tq, 434 &ha->irq_vec[i].rcv_task); 435 taskqueue_free(ha->irq_vec[i].rcv_tq); 436 } 437 438 qla_release(ha); 439 440 QL_DPRINT2((dev, "%s: exit\n", __func__)); 441 442 return (0); 443 } 444 445 /* 446 * SYSCTL Related Callbacks 447 */ 448 static int 449 qla_sysctl_get_stats(SYSCTL_HANDLER_ARGS) 450 { 451 int err, ret = 0; 452 qla_host_t *ha; 453 454 err = sysctl_handle_int(oidp, &ret, 0, req); 455 456 if (err) 457 return (err); 458 459 ha = (qla_host_t *)arg1; 460 //qla_get_stats(ha); 461 QL_DPRINT2((ha->pci_dev, "%s: called ret %d\n", __func__, ret)); 462 return (err); 463 } 464 465 466 /* 467 * Name: qla_release 468 * Function: Releases the resources allocated for the device 469 */ 470 static void 471 qla_release(qla_host_t *ha) 472 { 473 device_t dev; 474 int i; 475 476 dev = ha->pci_dev; 477 478 qla_del_cdev(ha); 479 480 if (ha->flags.qla_watchdog_active) 481 ha->flags.qla_watchdog_exit = 1; 482 483 callout_stop(&ha->tx_callout); 484 qla_mdelay(__func__, 100); 485 486 if (ha->ifp != NULL) 487 ether_ifdetach(ha->ifp); 488 489 qla_free_dma(ha); 490 qla_free_parent_dma_tag(ha); 491 492 for (i = 0; i < ha->msix_count; i++) { 493 if (ha->irq_vec[i].handle) 494 (void)bus_teardown_intr(dev, ha->irq_vec[i].irq, 495 ha->irq_vec[i].handle); 496 if (ha->irq_vec[i].irq) 497 (void) bus_release_resource(dev, SYS_RES_IRQ, 498 ha->irq_vec[i].irq_rid, 499 ha->irq_vec[i].irq); 500 } 501 if (ha->msix_count) 502 pci_release_msi(dev); 503 504 if (ha->flags.lock_init) { 505 mtx_destroy(&ha->tx_lock); 506 mtx_destroy(&ha->rx_lock); 507 mtx_destroy(&ha->rxj_lock); 508 mtx_destroy(&ha->hw_lock); 509 } 510 511 if (ha->pci_reg) 512 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid, 513 ha->pci_reg); 514 } 515 516 /* 517 * DMA Related Functions 518 */ 519 520 static void 521 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 522 { 523 *((bus_addr_t *)arg) = 0; 524 525 if (error) { 526 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error); 527 return; 528 } 529 530 QL_ASSERT((nsegs == 1), ("%s: %d segments returned!", __func__, nsegs)); 531 532 *((bus_addr_t *)arg) = segs[0].ds_addr; 533 534 return; 535 } 536 537 int 538 qla_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) 539 { 540 int ret = 0; 541 device_t dev; 542 bus_addr_t b_addr; 543 544 dev = ha->pci_dev; 545 546 QL_DPRINT2((dev, "%s: enter\n", __func__)); 547 548 ret = bus_dma_tag_create( 549 ha->parent_tag,/* parent */ 550 dma_buf->alignment, 551 ((bus_size_t)(1ULL << 32)),/* boundary */ 552 BUS_SPACE_MAXADDR, /* lowaddr */ 553 BUS_SPACE_MAXADDR, /* highaddr */ 554 NULL, NULL, /* filter, filterarg */ 555 dma_buf->size, /* maxsize */ 556 1, /* nsegments */ 557 dma_buf->size, /* maxsegsize */ 558 0, /* flags */ 559 NULL, NULL, /* lockfunc, lockarg */ 560 &dma_buf->dma_tag); 561 562 if (ret) { 563 device_printf(dev, "%s: could not create dma tag\n", __func__); 564 goto qla_alloc_dmabuf_exit; 565 } 566 ret = bus_dmamem_alloc(dma_buf->dma_tag, 567 (void **)&dma_buf->dma_b, 568 (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT), 569 &dma_buf->dma_map); 570 if (ret) { 571 bus_dma_tag_destroy(dma_buf->dma_tag); 572 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__); 573 goto qla_alloc_dmabuf_exit; 574 } 575 576 ret = bus_dmamap_load(dma_buf->dma_tag, 577 dma_buf->dma_map, 578 dma_buf->dma_b, 579 dma_buf->size, 580 qla_dmamap_callback, 581 &b_addr, BUS_DMA_NOWAIT); 582 583 if (ret || !b_addr) { 584 bus_dma_tag_destroy(dma_buf->dma_tag); 585 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, 586 dma_buf->dma_map); 587 ret = -1; 588 goto qla_alloc_dmabuf_exit; 589 } 590 591 dma_buf->dma_addr = b_addr; 592 593 qla_alloc_dmabuf_exit: 594 QL_DPRINT2((dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n", 595 __func__, ret, (void *)dma_buf->dma_tag, 596 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b, 597 dma_buf->size)); 598 599 return ret; 600 } 601 602 void 603 qla_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf) 604 { 605 bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map); 606 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map); 607 bus_dma_tag_destroy(dma_buf->dma_tag); 608 } 609 610 static int 611 qla_alloc_parent_dma_tag(qla_host_t *ha) 612 { 613 int ret; 614 device_t dev; 615 616 dev = ha->pci_dev; 617 618 /* 619 * Allocate parent DMA Tag 620 */ 621 ret = bus_dma_tag_create( 622 bus_get_dma_tag(dev), /* parent */ 623 1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */ 624 BUS_SPACE_MAXADDR, /* lowaddr */ 625 BUS_SPACE_MAXADDR, /* highaddr */ 626 NULL, NULL, /* filter, filterarg */ 627 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 628 0, /* nsegments */ 629 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 630 0, /* flags */ 631 NULL, NULL, /* lockfunc, lockarg */ 632 &ha->parent_tag); 633 634 if (ret) { 635 device_printf(dev, "%s: could not create parent dma tag\n", 636 __func__); 637 return (-1); 638 } 639 640 ha->flags.parent_tag = 1; 641 642 return (0); 643 } 644 645 static void 646 qla_free_parent_dma_tag(qla_host_t *ha) 647 { 648 if (ha->flags.parent_tag) { 649 bus_dma_tag_destroy(ha->parent_tag); 650 ha->flags.parent_tag = 0; 651 } 652 } 653 654 /* 655 * Name: qla_init_ifnet 656 * Function: Creates the Network Device Interface and Registers it with the O.S 657 */ 658 659 static void 660 qla_init_ifnet(device_t dev, qla_host_t *ha) 661 { 662 struct ifnet *ifp; 663 664 QL_DPRINT2((dev, "%s: enter\n", __func__)); 665 666 ifp = ha->ifp = if_alloc(IFT_ETHER); 667 668 if (ifp == NULL) 669 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev)); 670 671 if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 672 673 ifp->if_baudrate = IF_Gbps(10); 674 ifp->if_init = qla_init; 675 ifp->if_softc = ha; 676 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 677 ifp->if_ioctl = qla_ioctl; 678 ifp->if_start = qla_start; 679 680 IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha)); 681 ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha); 682 IFQ_SET_READY(&ifp->if_snd); 683 684 ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 685 686 ether_ifattach(ifp, qla_get_mac_addr(ha)); 687 688 ifp->if_capabilities = IFCAP_HWCSUM | 689 IFCAP_TSO4 | 690 IFCAP_JUMBO_MTU; 691 692 ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU; 693 ifp->if_capabilities |= IFCAP_LINKSTATE; 694 695 #if defined(__FreeBSD_version) && (__FreeBSD_version < 900002) 696 ifp->if_timer = 0; 697 ifp->if_watchdog = NULL; 698 #endif /* #if defined(__FreeBSD_version) && (__FreeBSD_version < 900002) */ 699 700 ifp->if_capenable = ifp->if_capabilities; 701 702 ifp->if_hdrlen = sizeof(struct ether_vlan_header); 703 704 ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status); 705 706 ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0, 707 NULL); 708 ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL); 709 710 ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO)); 711 712 QL_DPRINT2((dev, "%s: exit\n", __func__)); 713 714 return; 715 } 716 717 static void 718 qla_init_locked(qla_host_t *ha) 719 { 720 struct ifnet *ifp = ha->ifp; 721 722 qla_stop(ha); 723 724 if (qla_alloc_xmt_bufs(ha) != 0) 725 return; 726 727 if (qla_alloc_rcv_bufs(ha) != 0) 728 return; 729 730 if (qla_config_lro(ha)) 731 return; 732 733 bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN); 734 735 ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO; 736 737 ha->flags.stop_rcv = 0; 738 if (qla_init_hw_if(ha) == 0) { 739 ifp = ha->ifp; 740 ifp->if_drv_flags |= IFF_DRV_RUNNING; 741 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 742 ha->flags.qla_watchdog_pause = 0; 743 } 744 745 return; 746 } 747 748 static void 749 qla_init(void *arg) 750 { 751 qla_host_t *ha; 752 753 ha = (qla_host_t *)arg; 754 755 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 756 757 QLA_LOCK(ha, __func__); 758 qla_init_locked(ha); 759 QLA_UNLOCK(ha, __func__); 760 761 QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__)); 762 } 763 764 static void 765 qla_set_multi(qla_host_t *ha, uint32_t add_multi) 766 { 767 uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN]; 768 struct ifmultiaddr *ifma; 769 int mcnt = 0; 770 struct ifnet *ifp = ha->ifp; 771 772 if_maddr_rlock(ifp); 773 774 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 775 776 if (ifma->ifma_addr->sa_family != AF_LINK) 777 continue; 778 779 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS) 780 break; 781 782 bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr), 783 &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN); 784 785 mcnt++; 786 } 787 788 if_maddr_runlock(ifp); 789 790 qla_hw_set_multi(ha, mta, mcnt, add_multi); 791 792 return; 793 } 794 795 static int 796 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 797 { 798 int ret = 0; 799 struct ifreq *ifr = (struct ifreq *)data; 800 struct ifaddr *ifa = (struct ifaddr *)data; 801 qla_host_t *ha; 802 803 ha = (qla_host_t *)ifp->if_softc; 804 805 switch (cmd) { 806 case SIOCSIFADDR: 807 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n", 808 __func__, cmd)); 809 810 if (ifa->ifa_addr->sa_family == AF_INET) { 811 ifp->if_flags |= IFF_UP; 812 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 813 QLA_LOCK(ha, __func__); 814 qla_init_locked(ha); 815 QLA_UNLOCK(ha, __func__); 816 } 817 QL_DPRINT4((ha->pci_dev, 818 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n", 819 __func__, cmd, ntohl(IA_SIN(ifa)->sin_addr.s_addr))); 820 821 arp_ifinit(ifp, ifa); 822 if (ntohl(IA_SIN(ifa)->sin_addr.s_addr) != INADDR_ANY) { 823 qla_config_ipv4_addr(ha, 824 (IA_SIN(ifa)->sin_addr.s_addr)); 825 } 826 } else { 827 ether_ioctl(ifp, cmd, data); 828 } 829 break; 830 831 case SIOCSIFMTU: 832 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n", 833 __func__, cmd)); 834 835 if (ifr->ifr_mtu > QLA_MAX_FRAME_SIZE - ETHER_HDR_LEN) { 836 ret = EINVAL; 837 } else { 838 QLA_LOCK(ha, __func__); 839 ifp->if_mtu = ifr->ifr_mtu; 840 ha->max_frame_size = 841 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; 842 if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) { 843 ret = qla_set_max_mtu(ha, ha->max_frame_size, 844 (ha->hw.rx_cntxt_rsp)->rx_rsp.cntxt_id); 845 } 846 QLA_UNLOCK(ha, __func__); 847 848 if (ret) 849 ret = EINVAL; 850 } 851 852 break; 853 854 case SIOCSIFFLAGS: 855 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n", 856 __func__, cmd)); 857 858 if (ifp->if_flags & IFF_UP) { 859 if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) { 860 if ((ifp->if_flags ^ ha->if_flags) & 861 IFF_PROMISC) { 862 qla_set_promisc(ha); 863 } else if ((ifp->if_flags ^ ha->if_flags) & 864 IFF_ALLMULTI) { 865 qla_set_allmulti(ha); 866 } 867 } else { 868 QLA_LOCK(ha, __func__); 869 qla_init_locked(ha); 870 ha->max_frame_size = ifp->if_mtu + 871 ETHER_HDR_LEN + ETHER_CRC_LEN; 872 ret = qla_set_max_mtu(ha, ha->max_frame_size, 873 (ha->hw.rx_cntxt_rsp)->rx_rsp.cntxt_id); 874 QLA_UNLOCK(ha, __func__); 875 } 876 } else { 877 QLA_LOCK(ha, __func__); 878 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 879 qla_stop(ha); 880 ha->if_flags = ifp->if_flags; 881 QLA_UNLOCK(ha, __func__); 882 } 883 break; 884 885 case SIOCADDMULTI: 886 QL_DPRINT4((ha->pci_dev, 887 "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd)); 888 889 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 890 qla_set_multi(ha, 1); 891 } 892 break; 893 894 case SIOCDELMULTI: 895 QL_DPRINT4((ha->pci_dev, 896 "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd)); 897 898 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 899 qla_set_multi(ha, 0); 900 } 901 break; 902 903 case SIOCSIFMEDIA: 904 case SIOCGIFMEDIA: 905 QL_DPRINT4((ha->pci_dev, 906 "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n", 907 __func__, cmd)); 908 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd); 909 break; 910 911 case SIOCSIFCAP: 912 { 913 int mask = ifr->ifr_reqcap ^ ifp->if_capenable; 914 915 QL_DPRINT4((ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n", 916 __func__, cmd)); 917 918 if (mask & IFCAP_HWCSUM) 919 ifp->if_capenable ^= IFCAP_HWCSUM; 920 if (mask & IFCAP_TSO4) 921 ifp->if_capenable ^= IFCAP_TSO4; 922 if (mask & IFCAP_TSO6) 923 ifp->if_capenable ^= IFCAP_TSO6; 924 if (mask & IFCAP_VLAN_HWTAGGING) 925 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 926 927 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 928 qla_init(ha); 929 930 VLAN_CAPABILITIES(ifp); 931 break; 932 } 933 934 default: 935 QL_DPRINT4((ha->pci_dev, "%s: default (0x%lx)\n", 936 __func__, cmd)); 937 ret = ether_ioctl(ifp, cmd, data); 938 break; 939 } 940 941 return (ret); 942 } 943 944 static int 945 qla_media_change(struct ifnet *ifp) 946 { 947 qla_host_t *ha; 948 struct ifmedia *ifm; 949 int ret = 0; 950 951 ha = (qla_host_t *)ifp->if_softc; 952 953 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 954 955 ifm = &ha->media; 956 957 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 958 ret = EINVAL; 959 960 QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__)); 961 962 return (ret); 963 } 964 965 static void 966 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) 967 { 968 qla_host_t *ha; 969 970 ha = (qla_host_t *)ifp->if_softc; 971 972 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 973 974 ifmr->ifm_status = IFM_AVALID; 975 ifmr->ifm_active = IFM_ETHER; 976 977 qla_update_link_state(ha); 978 if (ha->hw.flags.link_up) { 979 ifmr->ifm_status |= IFM_ACTIVE; 980 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha)); 981 } 982 983 QL_DPRINT2((ha->pci_dev, "%s: exit (%s)\n", __func__,\ 984 (ha->hw.flags.link_up ? "link_up" : "link_down"))); 985 986 return; 987 } 988 989 void 990 qla_start(struct ifnet *ifp) 991 { 992 struct mbuf *m_head; 993 qla_host_t *ha = (qla_host_t *)ifp->if_softc; 994 995 QL_DPRINT8((ha->pci_dev, "%s: enter\n", __func__)); 996 997 if (!mtx_trylock(&ha->tx_lock)) { 998 QL_DPRINT8((ha->pci_dev, 999 "%s: mtx_trylock(&ha->tx_lock) failed\n", __func__)); 1000 return; 1001 } 1002 1003 if ((ifp->if_drv_flags & (IFF_DRV_RUNNING | IFF_DRV_OACTIVE)) != 1004 IFF_DRV_RUNNING) { 1005 QL_DPRINT8((ha->pci_dev, "%s: !IFF_DRV_RUNNING\n", __func__)); 1006 QLA_TX_UNLOCK(ha); 1007 return; 1008 } 1009 1010 if (!ha->watchdog_ticks) 1011 qla_update_link_state(ha); 1012 1013 if (!ha->hw.flags.link_up) { 1014 QL_DPRINT8((ha->pci_dev, "%s: link down\n", __func__)); 1015 QLA_TX_UNLOCK(ha); 1016 return; 1017 } 1018 1019 while (ifp->if_snd.ifq_head != NULL) { 1020 IF_DEQUEUE(&ifp->if_snd, m_head); 1021 1022 if (m_head == NULL) { 1023 QL_DPRINT8((ha->pci_dev, "%s: m_head == NULL\n", 1024 __func__)); 1025 break; 1026 } 1027 1028 if (qla_send(ha, &m_head)) { 1029 if (m_head == NULL) 1030 break; 1031 QL_DPRINT8((ha->pci_dev, "%s: PREPEND\n", __func__)); 1032 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1033 IF_PREPEND(&ifp->if_snd, m_head); 1034 break; 1035 } 1036 /* Send a copy of the frame to the BPF listener */ 1037 ETHER_BPF_MTAP(ifp, m_head); 1038 } 1039 QLA_TX_UNLOCK(ha); 1040 QL_DPRINT8((ha->pci_dev, "%s: exit\n", __func__)); 1041 return; 1042 } 1043 1044 static int 1045 qla_send(qla_host_t *ha, struct mbuf **m_headp) 1046 { 1047 bus_dma_segment_t segs[QLA_MAX_SEGMENTS]; 1048 bus_dmamap_t map; 1049 int nsegs; 1050 int ret = -1; 1051 uint32_t tx_idx; 1052 struct mbuf *m_head = *m_headp; 1053 1054 QL_DPRINT8((ha->pci_dev, "%s: enter\n", __func__)); 1055 1056 if ((ret = bus_dmamap_create(ha->tx_tag, BUS_DMA_NOWAIT, &map))) { 1057 ha->err_tx_dmamap_create++; 1058 device_printf(ha->pci_dev, 1059 "%s: bus_dmamap_create failed[%d, %d]\n", 1060 __func__, ret, m_head->m_pkthdr.len); 1061 return (ret); 1062 } 1063 1064 ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs, 1065 BUS_DMA_NOWAIT); 1066 1067 if (ret == EFBIG) { 1068 1069 struct mbuf *m; 1070 1071 QL_DPRINT8((ha->pci_dev, "%s: EFBIG [%d]\n", __func__, 1072 m_head->m_pkthdr.len)); 1073 1074 m = m_defrag(m_head, M_NOWAIT); 1075 if (m == NULL) { 1076 ha->err_tx_defrag++; 1077 m_freem(m_head); 1078 *m_headp = NULL; 1079 device_printf(ha->pci_dev, 1080 "%s: m_defrag() = NULL [%d]\n", 1081 __func__, ret); 1082 return (ENOBUFS); 1083 } 1084 m_head = m; 1085 1086 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, 1087 segs, &nsegs, BUS_DMA_NOWAIT))) { 1088 1089 ha->err_tx_dmamap_load++; 1090 1091 device_printf(ha->pci_dev, 1092 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n", 1093 __func__, ret, m_head->m_pkthdr.len); 1094 1095 bus_dmamap_destroy(ha->tx_tag, map); 1096 if (ret != ENOMEM) { 1097 m_freem(m_head); 1098 *m_headp = NULL; 1099 } 1100 return (ret); 1101 } 1102 } else if (ret) { 1103 ha->err_tx_dmamap_load++; 1104 1105 device_printf(ha->pci_dev, 1106 "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n", 1107 __func__, ret, m_head->m_pkthdr.len); 1108 1109 bus_dmamap_destroy(ha->tx_tag, map); 1110 1111 if (ret != ENOMEM) { 1112 m_freem(m_head); 1113 *m_headp = NULL; 1114 } 1115 return (ret); 1116 } 1117 1118 QL_ASSERT((nsegs != 0), ("qla_send: empty packet")); 1119 1120 bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE); 1121 1122 if (!(ret = qla_hw_send(ha, segs, nsegs, &tx_idx, m_head))) { 1123 ha->tx_buf[tx_idx].m_head = m_head; 1124 ha->tx_buf[tx_idx].map = map; 1125 } else { 1126 if (ret == EINVAL) { 1127 m_freem(m_head); 1128 *m_headp = NULL; 1129 } 1130 } 1131 1132 QL_DPRINT8((ha->pci_dev, "%s: exit\n", __func__)); 1133 return (ret); 1134 } 1135 1136 static void 1137 qla_stop(qla_host_t *ha) 1138 { 1139 struct ifnet *ifp = ha->ifp; 1140 device_t dev; 1141 1142 dev = ha->pci_dev; 1143 1144 ha->flags.qla_watchdog_pause = 1; 1145 qla_mdelay(__func__, 100); 1146 1147 ha->flags.stop_rcv = 1; 1148 qla_hw_stop_rcv(ha); 1149 1150 qla_del_hw_if(ha); 1151 1152 qla_free_lro(ha); 1153 1154 qla_free_xmt_bufs(ha); 1155 qla_free_rcv_bufs(ha); 1156 1157 ifp->if_drv_flags &= ~(IFF_DRV_OACTIVE | IFF_DRV_RUNNING); 1158 1159 return; 1160 } 1161 1162 /* 1163 * Buffer Management Functions for Transmit and Receive Rings 1164 */ 1165 static int 1166 qla_alloc_xmt_bufs(qla_host_t *ha) 1167 { 1168 if (bus_dma_tag_create(NULL, /* parent */ 1169 1, 0, /* alignment, bounds */ 1170 BUS_SPACE_MAXADDR, /* lowaddr */ 1171 BUS_SPACE_MAXADDR, /* highaddr */ 1172 NULL, NULL, /* filter, filterarg */ 1173 QLA_MAX_TSO_FRAME_SIZE, /* maxsize */ 1174 QLA_MAX_SEGMENTS, /* nsegments */ 1175 PAGE_SIZE, /* maxsegsize */ 1176 BUS_DMA_ALLOCNOW, /* flags */ 1177 NULL, /* lockfunc */ 1178 NULL, /* lockfuncarg */ 1179 &ha->tx_tag)) { 1180 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n", 1181 __func__); 1182 return (ENOMEM); 1183 } 1184 bzero((void *)ha->tx_buf, (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); 1185 1186 return 0; 1187 } 1188 1189 /* 1190 * Release mbuf after it sent on the wire 1191 */ 1192 static void 1193 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb) 1194 { 1195 QL_DPRINT2((ha->pci_dev, "%s: enter\n", __func__)); 1196 1197 if (txb->m_head) { 1198 1199 bus_dmamap_unload(ha->tx_tag, txb->map); 1200 bus_dmamap_destroy(ha->tx_tag, txb->map); 1201 1202 m_freem(txb->m_head); 1203 txb->m_head = NULL; 1204 } 1205 1206 QL_DPRINT2((ha->pci_dev, "%s: exit\n", __func__)); 1207 } 1208 1209 static void 1210 qla_free_xmt_bufs(qla_host_t *ha) 1211 { 1212 int i; 1213 1214 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) 1215 qla_clear_tx_buf(ha, &ha->tx_buf[i]); 1216 1217 if (ha->tx_tag != NULL) { 1218 bus_dma_tag_destroy(ha->tx_tag); 1219 ha->tx_tag = NULL; 1220 } 1221 bzero((void *)ha->tx_buf, (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS)); 1222 1223 return; 1224 } 1225 1226 1227 static int 1228 qla_alloc_rcv_bufs(qla_host_t *ha) 1229 { 1230 int i, j, ret = 0; 1231 qla_rx_buf_t *rxb; 1232 1233 if (bus_dma_tag_create(NULL, /* parent */ 1234 1, 0, /* alignment, bounds */ 1235 BUS_SPACE_MAXADDR, /* lowaddr */ 1236 BUS_SPACE_MAXADDR, /* highaddr */ 1237 NULL, NULL, /* filter, filterarg */ 1238 MJUM9BYTES, /* maxsize */ 1239 1, /* nsegments */ 1240 MJUM9BYTES, /* maxsegsize */ 1241 BUS_DMA_ALLOCNOW, /* flags */ 1242 NULL, /* lockfunc */ 1243 NULL, /* lockfuncarg */ 1244 &ha->rx_tag)) { 1245 1246 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n", 1247 __func__); 1248 1249 return (ENOMEM); 1250 } 1251 1252 bzero((void *)ha->rx_buf, (sizeof(qla_rx_buf_t) * NUM_RX_DESCRIPTORS)); 1253 bzero((void *)ha->rx_jbuf, 1254 (sizeof(qla_rx_buf_t) * NUM_RX_JUMBO_DESCRIPTORS)); 1255 1256 for (i = 0; i < MAX_SDS_RINGS; i++) { 1257 ha->hw.sds[i].sdsr_next = 0; 1258 ha->hw.sds[i].rxb_free = NULL; 1259 ha->hw.sds[i].rx_free = 0; 1260 ha->hw.sds[i].rxjb_free = NULL; 1261 ha->hw.sds[i].rxj_free = 0; 1262 } 1263 1264 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1265 1266 rxb = &ha->rx_buf[i]; 1267 1268 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT, &rxb->map); 1269 1270 if (ret) { 1271 device_printf(ha->pci_dev, 1272 "%s: dmamap[%d] failed\n", __func__, i); 1273 1274 for (j = 0; j < i; j++) { 1275 bus_dmamap_destroy(ha->rx_tag, 1276 ha->rx_buf[j].map); 1277 } 1278 goto qla_alloc_rcv_bufs_failed; 1279 } 1280 } 1281 1282 qla_init_hw_rcv_descriptors(ha, RDS_RING_INDEX_NORMAL); 1283 1284 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1285 rxb = &ha->rx_buf[i]; 1286 rxb->handle = i; 1287 if (!(ret = qla_get_mbuf(ha, rxb, NULL, 0))) { 1288 /* 1289 * set the physical address in the corresponding 1290 * descriptor entry in the receive ring/queue for the 1291 * hba 1292 */ 1293 qla_set_hw_rcv_desc(ha, RDS_RING_INDEX_NORMAL, i, 1294 rxb->handle, rxb->paddr, 1295 (rxb->m_head)->m_pkthdr.len); 1296 } else { 1297 device_printf(ha->pci_dev, 1298 "%s: qla_get_mbuf [standard(%d)] failed\n", 1299 __func__, i); 1300 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1301 goto qla_alloc_rcv_bufs_failed; 1302 } 1303 } 1304 1305 1306 for (i = 0; i < NUM_RX_JUMBO_DESCRIPTORS; i++) { 1307 1308 rxb = &ha->rx_jbuf[i]; 1309 1310 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT, &rxb->map); 1311 1312 if (ret) { 1313 device_printf(ha->pci_dev, 1314 "%s: dmamap[%d] failed\n", __func__, i); 1315 1316 for (j = 0; j < i; j++) { 1317 bus_dmamap_destroy(ha->rx_tag, 1318 ha->rx_jbuf[j].map); 1319 } 1320 goto qla_alloc_rcv_bufs_failed; 1321 } 1322 } 1323 1324 qla_init_hw_rcv_descriptors(ha, RDS_RING_INDEX_JUMBO); 1325 1326 for (i = 0; i < NUM_RX_JUMBO_DESCRIPTORS; i++) { 1327 rxb = &ha->rx_jbuf[i]; 1328 rxb->handle = i; 1329 if (!(ret = qla_get_mbuf(ha, rxb, NULL, 1))) { 1330 /* 1331 * set the physical address in the corresponding 1332 * descriptor entry in the receive ring/queue for the 1333 * hba 1334 */ 1335 qla_set_hw_rcv_desc(ha, RDS_RING_INDEX_JUMBO, i, 1336 rxb->handle, rxb->paddr, 1337 (rxb->m_head)->m_pkthdr.len); 1338 } else { 1339 device_printf(ha->pci_dev, 1340 "%s: qla_get_mbuf [jumbo(%d)] failed\n", 1341 __func__, i); 1342 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1343 goto qla_alloc_rcv_bufs_failed; 1344 } 1345 } 1346 1347 return (0); 1348 1349 qla_alloc_rcv_bufs_failed: 1350 qla_free_rcv_bufs(ha); 1351 return (ret); 1352 } 1353 1354 static void 1355 qla_free_rcv_bufs(qla_host_t *ha) 1356 { 1357 int i; 1358 qla_rx_buf_t *rxb; 1359 1360 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) { 1361 rxb = &ha->rx_buf[i]; 1362 if (rxb->m_head != NULL) { 1363 bus_dmamap_unload(ha->rx_tag, rxb->map); 1364 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1365 m_freem(rxb->m_head); 1366 rxb->m_head = NULL; 1367 } 1368 } 1369 1370 for (i = 0; i < NUM_RX_JUMBO_DESCRIPTORS; i++) { 1371 rxb = &ha->rx_jbuf[i]; 1372 if (rxb->m_head != NULL) { 1373 bus_dmamap_unload(ha->rx_tag, rxb->map); 1374 bus_dmamap_destroy(ha->rx_tag, rxb->map); 1375 m_freem(rxb->m_head); 1376 rxb->m_head = NULL; 1377 } 1378 } 1379 1380 if (ha->rx_tag != NULL) { 1381 bus_dma_tag_destroy(ha->rx_tag); 1382 ha->rx_tag = NULL; 1383 } 1384 1385 bzero((void *)ha->rx_buf, (sizeof(qla_rx_buf_t) * NUM_RX_DESCRIPTORS)); 1386 bzero((void *)ha->rx_jbuf, 1387 (sizeof(qla_rx_buf_t) * NUM_RX_JUMBO_DESCRIPTORS)); 1388 1389 for (i = 0; i < MAX_SDS_RINGS; i++) { 1390 ha->hw.sds[i].sdsr_next = 0; 1391 ha->hw.sds[i].rxb_free = NULL; 1392 ha->hw.sds[i].rx_free = 0; 1393 ha->hw.sds[i].rxjb_free = NULL; 1394 ha->hw.sds[i].rxj_free = 0; 1395 } 1396 1397 return; 1398 } 1399 1400 int 1401 qla_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp, 1402 uint32_t jumbo) 1403 { 1404 struct mbuf *mp = nmp; 1405 struct ifnet *ifp; 1406 int ret = 0; 1407 uint32_t offset; 1408 1409 QL_DPRINT2((ha->pci_dev, "%s: jumbo(0x%x) enter\n", __func__, jumbo)); 1410 1411 ifp = ha->ifp; 1412 1413 if (mp == NULL) { 1414 1415 if (!jumbo) { 1416 mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1417 1418 if (mp == NULL) { 1419 ha->err_m_getcl++; 1420 ret = ENOBUFS; 1421 device_printf(ha->pci_dev, 1422 "%s: m_getcl failed\n", __func__); 1423 goto exit_qla_get_mbuf; 1424 } 1425 mp->m_len = mp->m_pkthdr.len = MCLBYTES; 1426 } else { 1427 mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 1428 MJUM9BYTES); 1429 if (mp == NULL) { 1430 ha->err_m_getjcl++; 1431 ret = ENOBUFS; 1432 device_printf(ha->pci_dev, 1433 "%s: m_getjcl failed\n", __func__); 1434 goto exit_qla_get_mbuf; 1435 } 1436 mp->m_len = mp->m_pkthdr.len = MJUM9BYTES; 1437 } 1438 } else { 1439 if (!jumbo) 1440 mp->m_len = mp->m_pkthdr.len = MCLBYTES; 1441 else 1442 mp->m_len = mp->m_pkthdr.len = MJUM9BYTES; 1443 1444 mp->m_data = mp->m_ext.ext_buf; 1445 mp->m_next = NULL; 1446 } 1447 1448 1449 offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL); 1450 if (offset) { 1451 offset = 8 - offset; 1452 m_adj(mp, offset); 1453 } 1454 1455 /* 1456 * Using memory from the mbuf cluster pool, invoke the bus_dma 1457 * machinery to arrange the memory mapping. 1458 */ 1459 ret = bus_dmamap_load(ha->rx_tag, rxb->map, 1460 mtod(mp, void *), mp->m_len, 1461 qla_dmamap_callback, &rxb->paddr, 1462 BUS_DMA_NOWAIT); 1463 if (ret || !rxb->paddr) { 1464 m_free(mp); 1465 rxb->m_head = NULL; 1466 device_printf(ha->pci_dev, 1467 "%s: bus_dmamap_load failed\n", __func__); 1468 ret = -1; 1469 goto exit_qla_get_mbuf; 1470 } 1471 rxb->m_head = mp; 1472 bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD); 1473 1474 exit_qla_get_mbuf: 1475 QL_DPRINT2((ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret)); 1476 return (ret); 1477 } 1478 1479 static void 1480 qla_tx_done(void *context, int pending) 1481 { 1482 qla_host_t *ha = context; 1483 1484 qla_hw_tx_done(ha); 1485 qla_start(ha->ifp); 1486 } 1487 1488