FreeBSD/Linux Kernel Cross Reference
sys/dev/qlxgbe/ql_os.c
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013-2016 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: ql_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 "ql_os.h"
39 #include "ql_hw.h"
40 #include "ql_def.h"
41 #include "ql_inline.h"
42 #include "ql_ver.h"
43 #include "ql_glbl.h"
44 #include "ql_dbg.h"
45 #include <sys/smp.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_ISP8030
56 #define PCI_PRODUCT_QLOGIC_ISP8030 0x8030
57 #endif
58
59 #define PCI_QLOGIC_ISP8030 \
60 ((PCI_PRODUCT_QLOGIC_ISP8030 << 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 static void qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb);
72
73 static void qla_init_ifnet(device_t dev, qla_host_t *ha);
74 static int qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS);
75 static void qla_release(qla_host_t *ha);
76 static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs,
77 int error);
78 static void qla_stop(qla_host_t *ha);
79 static void qla_get_peer(qla_host_t *ha);
80 static void qla_error_recovery(void *context, int pending);
81 static void qla_async_event(void *context, int pending);
82 static void qla_stats(void *context, int pending);
83 static int qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
84 uint32_t iscsi_pdu);
85
86 /*
87 * Hooks to the Operating Systems
88 */
89 static int qla_pci_probe (device_t);
90 static int qla_pci_attach (device_t);
91 static int qla_pci_detach (device_t);
92
93 static void qla_init(void *arg);
94 static int qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
95 static int qla_media_change(struct ifnet *ifp);
96 static void qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr);
97
98 static int qla_transmit(struct ifnet *ifp, struct mbuf *mp);
99 static void qla_qflush(struct ifnet *ifp);
100 static int qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
101 static void qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
102 static int qla_create_fp_taskqueues(qla_host_t *ha);
103 static void qla_destroy_fp_taskqueues(qla_host_t *ha);
104 static void qla_drain_fp_taskqueues(qla_host_t *ha);
105
106 static device_method_t qla_pci_methods[] = {
107 /* Device interface */
108 DEVMETHOD(device_probe, qla_pci_probe),
109 DEVMETHOD(device_attach, qla_pci_attach),
110 DEVMETHOD(device_detach, qla_pci_detach),
111 { 0, 0 }
112 };
113
114 static driver_t qla_pci_driver = {
115 "ql", qla_pci_methods, sizeof (qla_host_t),
116 };
117
118 DRIVER_MODULE(qla83xx, pci, qla_pci_driver, 0, 0);
119
120 MODULE_DEPEND(qla83xx, pci, 1, 1, 1);
121 MODULE_DEPEND(qla83xx, ether, 1, 1, 1);
122
123 MALLOC_DEFINE(M_QLA83XXBUF, "qla83xxbuf", "Buffers for qla83xx driver");
124
125 #define QL_STD_REPLENISH_THRES 0
126 #define QL_JUMBO_REPLENISH_THRES 32
127
128 static char dev_str[64];
129 static char ver_str[64];
130
131 /*
132 * Name: qla_pci_probe
133 * Function: Validate the PCI device to be a QLA80XX device
134 */
135 static int
136 qla_pci_probe(device_t dev)
137 {
138 switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
139 case PCI_QLOGIC_ISP8030:
140 snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d",
141 "Qlogic ISP 83xx PCI CNA Adapter-Ethernet Function",
142 QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
143 QLA_VERSION_BUILD);
144 snprintf(ver_str, sizeof(ver_str), "v%d.%d.%d",
145 QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
146 QLA_VERSION_BUILD);
147 device_set_desc(dev, dev_str);
148 break;
149 default:
150 return (ENXIO);
151 }
152
153 if (bootverbose)
154 printf("%s: %s\n ", __func__, dev_str);
155
156 return (BUS_PROBE_DEFAULT);
157 }
158
159 static void
160 qla_add_sysctls(qla_host_t *ha)
161 {
162 device_t dev = ha->pci_dev;
163
164 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev),
165 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
166 OID_AUTO, "version", CTLFLAG_RD,
167 ver_str, 0, "Driver Version");
168
169 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev),
170 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
171 OID_AUTO, "fw_version", CTLFLAG_RD,
172 ha->fw_ver_str, 0, "firmware version");
173
174 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
175 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
176 "link_status", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
177 (void *)ha, 0, qla_sysctl_get_link_status, "I", "Link Status");
178
179 ha->dbg_level = 0;
180 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
181 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
182 OID_AUTO, "debug", CTLFLAG_RW,
183 &ha->dbg_level, ha->dbg_level, "Debug Level");
184
185 ha->enable_minidump = 1;
186 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
187 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
188 OID_AUTO, "enable_minidump", CTLFLAG_RW,
189 &ha->enable_minidump, ha->enable_minidump,
190 "Minidump retrival prior to error recovery "
191 "is enabled only when this is set");
192
193 ha->enable_driverstate_dump = 1;
194 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
195 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
196 OID_AUTO, "enable_driverstate_dump", CTLFLAG_RW,
197 &ha->enable_driverstate_dump, ha->enable_driverstate_dump,
198 "Driver State retrival prior to error recovery "
199 "is enabled only when this is set");
200
201 ha->enable_error_recovery = 1;
202 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
203 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
204 OID_AUTO, "enable_error_recovery", CTLFLAG_RW,
205 &ha->enable_error_recovery, ha->enable_error_recovery,
206 "when set error recovery is enabled on fatal errors "
207 "otherwise the port is turned offline");
208
209 ha->ms_delay_after_init = 1000;
210 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
211 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
212 OID_AUTO, "ms_delay_after_init", CTLFLAG_RW,
213 &ha->ms_delay_after_init, ha->ms_delay_after_init,
214 "millisecond delay after hw_init");
215
216 ha->std_replenish = QL_STD_REPLENISH_THRES;
217 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
218 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
219 OID_AUTO, "std_replenish", CTLFLAG_RW,
220 &ha->std_replenish, ha->std_replenish,
221 "Threshold for Replenishing Standard Frames");
222
223 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
224 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
225 OID_AUTO, "ipv4_lro",
226 CTLFLAG_RD, &ha->ipv4_lro,
227 "number of ipv4 lro completions");
228
229 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
230 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
231 OID_AUTO, "ipv6_lro",
232 CTLFLAG_RD, &ha->ipv6_lro,
233 "number of ipv6 lro completions");
234
235 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
236 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
237 OID_AUTO, "tx_tso_frames",
238 CTLFLAG_RD, &ha->tx_tso_frames,
239 "number of Tx TSO Frames");
240
241 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
242 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
243 OID_AUTO, "hw_vlan_tx_frames",
244 CTLFLAG_RD, &ha->hw_vlan_tx_frames,
245 "number of Tx VLAN Frames");
246
247 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
248 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
249 OID_AUTO, "hw_lock_failed",
250 CTLFLAG_RD, &ha->hw_lock_failed,
251 "number of hw_lock failures");
252
253 return;
254 }
255
256 static void
257 qla_watchdog(void *arg)
258 {
259 qla_host_t *ha = arg;
260 struct ifnet *ifp;
261
262 ifp = ha->ifp;
263
264 if (ha->qla_watchdog_exit) {
265 ha->qla_watchdog_exited = 1;
266 return;
267 }
268 ha->qla_watchdog_exited = 0;
269
270 if (!ha->qla_watchdog_pause) {
271 if (!ha->offline &&
272 (ql_hw_check_health(ha) || ha->qla_initiate_recovery ||
273 (ha->msg_from_peer == QL_PEER_MSG_RESET))) {
274 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
275 ql_update_link_state(ha);
276
277 if (ha->enable_error_recovery) {
278 ha->qla_watchdog_paused = 1;
279 ha->qla_watchdog_pause = 1;
280 ha->err_inject = 0;
281 device_printf(ha->pci_dev,
282 "%s: taskqueue_enqueue(err_task) \n",
283 __func__);
284 taskqueue_enqueue(ha->err_tq, &ha->err_task);
285 } else {
286 if (ifp != NULL)
287 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
288 ha->offline = 1;
289 }
290 return;
291
292 } else {
293 if (ha->qla_interface_up) {
294 ha->watchdog_ticks++;
295
296 if (ha->watchdog_ticks > 1000)
297 ha->watchdog_ticks = 0;
298
299 if (!ha->watchdog_ticks && QL_RUNNING(ifp)) {
300 taskqueue_enqueue(ha->stats_tq,
301 &ha->stats_task);
302 }
303
304 if (ha->async_event) {
305 taskqueue_enqueue(ha->async_event_tq,
306 &ha->async_event_task);
307 }
308 }
309 ha->qla_watchdog_paused = 0;
310 }
311 } else {
312 ha->qla_watchdog_paused = 1;
313 }
314
315 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
316 qla_watchdog, ha);
317 }
318
319 /*
320 * Name: qla_pci_attach
321 * Function: attaches the device to the operating system
322 */
323 static int
324 qla_pci_attach(device_t dev)
325 {
326 qla_host_t *ha = NULL;
327 uint32_t rsrc_len;
328 int i;
329 uint32_t num_rcvq = 0;
330
331 if ((ha = device_get_softc(dev)) == NULL) {
332 device_printf(dev, "cannot get softc\n");
333 return (ENOMEM);
334 }
335
336 memset(ha, 0, sizeof (qla_host_t));
337
338 if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8030) {
339 device_printf(dev, "device is not ISP8030\n");
340 return (ENXIO);
341 }
342
343 ha->pci_func = pci_get_function(dev) & 0x1;
344
345 ha->pci_dev = dev;
346
347 pci_enable_busmaster(dev);
348
349 ha->reg_rid = PCIR_BAR(0);
350 ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid,
351 RF_ACTIVE);
352
353 if (ha->pci_reg == NULL) {
354 device_printf(dev, "unable to map any ports\n");
355 goto qla_pci_attach_err;
356 }
357
358 rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY,
359 ha->reg_rid);
360
361 mtx_init(&ha->hw_lock, "qla83xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF);
362 mtx_init(&ha->sp_log_lock, "qla83xx_sp_log_lock", MTX_NETWORK_LOCK, MTX_DEF);
363 ha->flags.lock_init = 1;
364
365 qla_add_sysctls(ha);
366
367 ha->hw.num_sds_rings = MAX_SDS_RINGS;
368 ha->hw.num_rds_rings = MAX_RDS_RINGS;
369 ha->hw.num_tx_rings = NUM_TX_RINGS;
370
371 ha->reg_rid1 = PCIR_BAR(2);
372 ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
373 &ha->reg_rid1, RF_ACTIVE);
374
375 ha->msix_count = pci_msix_count(dev);
376
377 if (ha->msix_count < 1 ) {
378 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__,
379 ha->msix_count);
380 goto qla_pci_attach_err;
381 }
382
383 if (ha->msix_count < (ha->hw.num_sds_rings + 1)) {
384 ha->hw.num_sds_rings = ha->msix_count - 1;
385 }
386
387 QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
388 " msix_count 0x%x pci_reg %p pci_reg1 %p\n", __func__, ha,
389 ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg,
390 ha->pci_reg1));
391
392 /* initialize hardware */
393 if (ql_init_hw(ha)) {
394 device_printf(dev, "%s: ql_init_hw failed\n", __func__);
395 goto qla_pci_attach_err;
396 }
397
398 device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__,
399 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
400 ha->fw_ver_build);
401 snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d",
402 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
403 ha->fw_ver_build);
404
405 if (qla_get_nic_partition(ha, NULL, &num_rcvq)) {
406 device_printf(dev, "%s: qla_get_nic_partition failed\n",
407 __func__);
408 goto qla_pci_attach_err;
409 }
410 device_printf(dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
411 " msix_count 0x%x pci_reg %p pci_reg1 %p num_rcvq = %d\n",
412 __func__, ha, ha->pci_func, rsrc_len, ha->msix_count,
413 ha->pci_reg, ha->pci_reg1, num_rcvq);
414
415 if ((ha->msix_count < 64) || (num_rcvq != 32)) {
416 if (ha->hw.num_sds_rings > 15) {
417 ha->hw.num_sds_rings = 15;
418 }
419 }
420
421 ha->hw.num_rds_rings = ha->hw.num_sds_rings;
422 ha->hw.num_tx_rings = ha->hw.num_sds_rings;
423
424 #ifdef QL_ENABLE_ISCSI_TLV
425 ha->hw.num_tx_rings = ha->hw.num_sds_rings * 2;
426 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
427
428 ql_hw_add_sysctls(ha);
429
430 ha->msix_count = ha->hw.num_sds_rings + 1;
431
432 if (pci_alloc_msix(dev, &ha->msix_count)) {
433 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__,
434 ha->msix_count);
435 ha->msix_count = 0;
436 goto qla_pci_attach_err;
437 }
438
439 ha->mbx_irq_rid = 1;
440 ha->mbx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
441 &ha->mbx_irq_rid,
442 (RF_ACTIVE | RF_SHAREABLE));
443 if (ha->mbx_irq == NULL) {
444 device_printf(dev, "could not allocate mbx interrupt\n");
445 goto qla_pci_attach_err;
446 }
447 if (bus_setup_intr(dev, ha->mbx_irq, (INTR_TYPE_NET | INTR_MPSAFE),
448 NULL, ql_mbx_isr, ha, &ha->mbx_handle)) {
449 device_printf(dev, "could not setup mbx interrupt\n");
450 goto qla_pci_attach_err;
451 }
452
453 for (i = 0; i < ha->hw.num_sds_rings; i++) {
454 ha->irq_vec[i].sds_idx = i;
455 ha->irq_vec[i].ha = ha;
456 ha->irq_vec[i].irq_rid = 2 + i;
457
458 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
459 &ha->irq_vec[i].irq_rid,
460 (RF_ACTIVE | RF_SHAREABLE));
461
462 if (ha->irq_vec[i].irq == NULL) {
463 device_printf(dev, "could not allocate interrupt\n");
464 goto qla_pci_attach_err;
465 }
466 if (bus_setup_intr(dev, ha->irq_vec[i].irq,
467 (INTR_TYPE_NET | INTR_MPSAFE),
468 NULL, ql_isr, &ha->irq_vec[i],
469 &ha->irq_vec[i].handle)) {
470 device_printf(dev, "could not setup interrupt\n");
471 goto qla_pci_attach_err;
472 }
473
474 ha->tx_fp[i].ha = ha;
475 ha->tx_fp[i].txr_idx = i;
476
477 if (qla_alloc_tx_br(ha, &ha->tx_fp[i])) {
478 device_printf(dev, "%s: could not allocate tx_br[%d]\n",
479 __func__, i);
480 goto qla_pci_attach_err;
481 }
482 }
483
484 if (qla_create_fp_taskqueues(ha) != 0)
485 goto qla_pci_attach_err;
486
487 printf("%s: mp__ncpus %d sds %d rds %d msi-x %d\n", __func__, mp_ncpus,
488 ha->hw.num_sds_rings, ha->hw.num_rds_rings, ha->msix_count);
489
490 ql_read_mac_addr(ha);
491
492 /* allocate parent dma tag */
493 if (qla_alloc_parent_dma_tag(ha)) {
494 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n",
495 __func__);
496 goto qla_pci_attach_err;
497 }
498
499 /* alloc all dma buffers */
500 if (ql_alloc_dma(ha)) {
501 device_printf(dev, "%s: ql_alloc_dma failed\n", __func__);
502 goto qla_pci_attach_err;
503 }
504 qla_get_peer(ha);
505
506 if (ql_minidump_init(ha) != 0) {
507 device_printf(dev, "%s: ql_minidump_init failed\n", __func__);
508 goto qla_pci_attach_err;
509 }
510 ql_alloc_drvr_state_buffer(ha);
511 ql_alloc_sp_log_buffer(ha);
512 /* create the o.s ethernet interface */
513 qla_init_ifnet(dev, ha);
514
515 ha->flags.qla_watchdog_active = 1;
516 ha->qla_watchdog_pause = 0;
517
518 callout_init(&ha->tx_callout, TRUE);
519 ha->flags.qla_callout_init = 1;
520
521 /* create ioctl device interface */
522 if (ql_make_cdev(ha)) {
523 device_printf(dev, "%s: ql_make_cdev failed\n", __func__);
524 goto qla_pci_attach_err;
525 }
526
527 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
528 qla_watchdog, ha);
529
530 TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha);
531 ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT,
532 taskqueue_thread_enqueue, &ha->err_tq);
533 taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq",
534 device_get_nameunit(ha->pci_dev));
535
536 TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha);
537 ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT,
538 taskqueue_thread_enqueue, &ha->async_event_tq);
539 taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq",
540 device_get_nameunit(ha->pci_dev));
541
542 TASK_INIT(&ha->stats_task, 0, qla_stats, ha);
543 ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT,
544 taskqueue_thread_enqueue, &ha->stats_tq);
545 taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq",
546 device_get_nameunit(ha->pci_dev));
547
548 QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__));
549 return (0);
550
551 qla_pci_attach_err:
552
553 qla_release(ha);
554
555 if (ha->flags.lock_init) {
556 mtx_destroy(&ha->hw_lock);
557 mtx_destroy(&ha->sp_log_lock);
558 }
559
560 QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__));
561 return (ENXIO);
562 }
563
564 /*
565 * Name: qla_pci_detach
566 * Function: Unhooks the device from the operating system
567 */
568 static int
569 qla_pci_detach(device_t dev)
570 {
571 qla_host_t *ha = NULL;
572 struct ifnet *ifp;
573
574 if ((ha = device_get_softc(dev)) == NULL) {
575 device_printf(dev, "cannot get softc\n");
576 return (ENOMEM);
577 }
578
579 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
580
581 ifp = ha->ifp;
582
583 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
584 QLA_LOCK(ha, __func__, -1, 0);
585
586 ha->qla_detach_active = 1;
587 qla_stop(ha);
588
589 qla_release(ha);
590
591 QLA_UNLOCK(ha, __func__);
592
593 if (ha->flags.lock_init) {
594 mtx_destroy(&ha->hw_lock);
595 mtx_destroy(&ha->sp_log_lock);
596 }
597
598 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
599
600 return (0);
601 }
602
603 /*
604 * SYSCTL Related Callbacks
605 */
606 static int
607 qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)
608 {
609 int err, ret = 0;
610 qla_host_t *ha;
611
612 err = sysctl_handle_int(oidp, &ret, 0, req);
613
614 if (err || !req->newptr)
615 return (err);
616
617 if (ret == 1) {
618 ha = (qla_host_t *)arg1;
619 ql_hw_link_status(ha);
620 }
621 return (err);
622 }
623
624 /*
625 * Name: qla_release
626 * Function: Releases the resources allocated for the device
627 */
628 static void
629 qla_release(qla_host_t *ha)
630 {
631 device_t dev;
632 int i;
633
634 dev = ha->pci_dev;
635
636 if (ha->async_event_tq) {
637 taskqueue_drain_all(ha->async_event_tq);
638 taskqueue_free(ha->async_event_tq);
639 }
640
641 if (ha->err_tq) {
642 taskqueue_drain_all(ha->err_tq);
643 taskqueue_free(ha->err_tq);
644 }
645
646 if (ha->stats_tq) {
647 taskqueue_drain_all(ha->stats_tq);
648 taskqueue_free(ha->stats_tq);
649 }
650
651 ql_del_cdev(ha);
652
653 if (ha->flags.qla_watchdog_active) {
654 ha->qla_watchdog_exit = 1;
655
656 while (ha->qla_watchdog_exited == 0)
657 qla_mdelay(__func__, 1);
658 }
659
660 if (ha->flags.qla_callout_init)
661 callout_stop(&ha->tx_callout);
662
663 if (ha->ifp != NULL)
664 ether_ifdetach(ha->ifp);
665
666 ql_free_drvr_state_buffer(ha);
667 ql_free_sp_log_buffer(ha);
668 ql_free_dma(ha);
669 qla_free_parent_dma_tag(ha);
670
671 if (ha->mbx_handle)
672 (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle);
673
674 if (ha->mbx_irq)
675 (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid,
676 ha->mbx_irq);
677
678 for (i = 0; i < ha->hw.num_sds_rings; i++) {
679 if (ha->irq_vec[i].handle) {
680 (void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
681 ha->irq_vec[i].handle);
682 }
683
684 if (ha->irq_vec[i].irq) {
685 (void)bus_release_resource(dev, SYS_RES_IRQ,
686 ha->irq_vec[i].irq_rid,
687 ha->irq_vec[i].irq);
688 }
689
690 qla_free_tx_br(ha, &ha->tx_fp[i]);
691 }
692 qla_destroy_fp_taskqueues(ha);
693
694 if (ha->msix_count)
695 pci_release_msi(dev);
696
697 if (ha->pci_reg)
698 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
699 ha->pci_reg);
700
701 if (ha->pci_reg1)
702 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1,
703 ha->pci_reg1);
704
705 return;
706 }
707
708 /*
709 * DMA Related Functions
710 */
711
712 static void
713 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
714 {
715 *((bus_addr_t *)arg) = 0;
716
717 if (error) {
718 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
719 return;
720 }
721
722 *((bus_addr_t *)arg) = segs[0].ds_addr;
723
724 return;
725 }
726
727 int
728 ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
729 {
730 int ret = 0;
731 device_t dev;
732 bus_addr_t b_addr;
733
734 dev = ha->pci_dev;
735
736 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
737
738 ret = bus_dma_tag_create(
739 ha->parent_tag,/* parent */
740 dma_buf->alignment,
741 ((bus_size_t)(1ULL << 32)),/* boundary */
742 BUS_SPACE_MAXADDR, /* lowaddr */
743 BUS_SPACE_MAXADDR, /* highaddr */
744 NULL, NULL, /* filter, filterarg */
745 dma_buf->size, /* maxsize */
746 1, /* nsegments */
747 dma_buf->size, /* maxsegsize */
748 0, /* flags */
749 NULL, NULL, /* lockfunc, lockarg */
750 &dma_buf->dma_tag);
751
752 if (ret) {
753 device_printf(dev, "%s: could not create dma tag\n", __func__);
754 goto ql_alloc_dmabuf_exit;
755 }
756 ret = bus_dmamem_alloc(dma_buf->dma_tag,
757 (void **)&dma_buf->dma_b,
758 (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
759 &dma_buf->dma_map);
760 if (ret) {
761 bus_dma_tag_destroy(dma_buf->dma_tag);
762 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__);
763 goto ql_alloc_dmabuf_exit;
764 }
765
766 ret = bus_dmamap_load(dma_buf->dma_tag,
767 dma_buf->dma_map,
768 dma_buf->dma_b,
769 dma_buf->size,
770 qla_dmamap_callback,
771 &b_addr, BUS_DMA_NOWAIT);
772
773 if (ret || !b_addr) {
774 bus_dma_tag_destroy(dma_buf->dma_tag);
775 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
776 dma_buf->dma_map);
777 ret = -1;
778 goto ql_alloc_dmabuf_exit;
779 }
780
781 dma_buf->dma_addr = b_addr;
782
783 ql_alloc_dmabuf_exit:
784 QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n",
785 __func__, ret, (void *)dma_buf->dma_tag,
786 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b,
787 dma_buf->size));
788
789 return ret;
790 }
791
792 void
793 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
794 {
795 bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
796 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
797 bus_dma_tag_destroy(dma_buf->dma_tag);
798 }
799
800 static int
801 qla_alloc_parent_dma_tag(qla_host_t *ha)
802 {
803 int ret;
804 device_t dev;
805
806 dev = ha->pci_dev;
807
808 /*
809 * Allocate parent DMA Tag
810 */
811 ret = bus_dma_tag_create(
812 bus_get_dma_tag(dev), /* parent */
813 1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
814 BUS_SPACE_MAXADDR, /* lowaddr */
815 BUS_SPACE_MAXADDR, /* highaddr */
816 NULL, NULL, /* filter, filterarg */
817 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
818 0, /* nsegments */
819 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
820 0, /* flags */
821 NULL, NULL, /* lockfunc, lockarg */
822 &ha->parent_tag);
823
824 if (ret) {
825 device_printf(dev, "%s: could not create parent dma tag\n",
826 __func__);
827 return (-1);
828 }
829
830 ha->flags.parent_tag = 1;
831
832 return (0);
833 }
834
835 static void
836 qla_free_parent_dma_tag(qla_host_t *ha)
837 {
838 if (ha->flags.parent_tag) {
839 bus_dma_tag_destroy(ha->parent_tag);
840 ha->flags.parent_tag = 0;
841 }
842 }
843
844 /*
845 * Name: qla_init_ifnet
846 * Function: Creates the Network Device Interface and Registers it with the O.S
847 */
848
849 static void
850 qla_init_ifnet(device_t dev, qla_host_t *ha)
851 {
852 struct ifnet *ifp;
853
854 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
855
856 ifp = ha->ifp = if_alloc(IFT_ETHER);
857
858 if (ifp == NULL)
859 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
860
861 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
862
863 ifp->if_baudrate = IF_Gbps(10);
864 ifp->if_capabilities = IFCAP_LINKSTATE;
865 ifp->if_mtu = ETHERMTU;
866
867 ifp->if_init = qla_init;
868 ifp->if_softc = ha;
869 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
870 ifp->if_ioctl = qla_ioctl;
871
872 ifp->if_transmit = qla_transmit;
873 ifp->if_qflush = qla_qflush;
874
875 IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha));
876 ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha);
877 IFQ_SET_READY(&ifp->if_snd);
878
879 ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
880
881 ether_ifattach(ifp, qla_get_mac_addr(ha));
882
883 ifp->if_capabilities |= IFCAP_HWCSUM |
884 IFCAP_TSO4 |
885 IFCAP_TSO6 |
886 IFCAP_JUMBO_MTU |
887 IFCAP_VLAN_HWTAGGING |
888 IFCAP_VLAN_MTU |
889 IFCAP_VLAN_HWTSO |
890 IFCAP_LRO;
891
892 ifp->if_capenable = ifp->if_capabilities;
893
894 ifp->if_hdrlen = sizeof(struct ether_vlan_header);
895
896 ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status);
897
898 ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0,
899 NULL);
900 ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
901
902 ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
903
904 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
905
906 return;
907 }
908
909 static void
910 qla_init_locked(qla_host_t *ha)
911 {
912 struct ifnet *ifp = ha->ifp;
913
914 ql_sp_log(ha, 14, 0, 0, 0, 0, 0, 0);
915
916 qla_stop(ha);
917
918 if (qla_alloc_xmt_bufs(ha) != 0)
919 return;
920
921 qla_confirm_9kb_enable(ha);
922
923 if (qla_alloc_rcv_bufs(ha) != 0)
924 return;
925
926 bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN);
927
928 ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO;
929 ifp->if_hwassist |= CSUM_TCP_IPV6 | CSUM_UDP_IPV6;
930
931 ha->stop_rcv = 0;
932 if (ql_init_hw_if(ha) == 0) {
933 ifp = ha->ifp;
934 ifp->if_drv_flags |= IFF_DRV_RUNNING;
935 ha->hw_vlan_tx_frames = 0;
936 ha->tx_tso_frames = 0;
937 ha->qla_interface_up = 1;
938 ql_update_link_state(ha);
939 } else {
940 if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE)
941 ha->hw.sp_log_stop = -1;
942 }
943
944 ha->qla_watchdog_pause = 0;
945
946 return;
947 }
948
949 static void
950 qla_init(void *arg)
951 {
952 qla_host_t *ha;
953
954 ha = (qla_host_t *)arg;
955
956 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
957
958 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
959 return;
960
961 qla_init_locked(ha);
962
963 QLA_UNLOCK(ha, __func__);
964
965 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
966 }
967
968 static u_int
969 qla_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt)
970 {
971 uint8_t *mta = arg;
972
973 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
974 return (0);
975
976 bcopy(LLADDR(sdl), &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
977
978 return (1);
979 }
980
981 static int
982 qla_set_multi(qla_host_t *ha, uint32_t add_multi)
983 {
984 uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
985 int mcnt = 0;
986 struct ifnet *ifp = ha->ifp;
987 int ret = 0;
988
989 mcnt = if_foreach_llmaddr(ifp, qla_copy_maddr, mta);
990
991 if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
992 QLA_LOCK_NO_SLEEP) != 0)
993 return (-1);
994
995 ql_sp_log(ha, 12, 4, ifp->if_drv_flags,
996 (ifp->if_drv_flags & IFF_DRV_RUNNING),
997 add_multi, (uint32_t)mcnt, 0);
998
999 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1000 if (!add_multi) {
1001 ret = qla_hw_del_all_mcast(ha);
1002
1003 if (ret)
1004 device_printf(ha->pci_dev,
1005 "%s: qla_hw_del_all_mcast() failed\n",
1006 __func__);
1007 }
1008
1009 if (!ret)
1010 ret = ql_hw_set_multi(ha, mta, mcnt, 1);
1011 }
1012
1013 QLA_UNLOCK(ha, __func__);
1014
1015 return (ret);
1016 }
1017
1018 static int
1019 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1020 {
1021 int ret = 0;
1022 struct ifreq *ifr = (struct ifreq *)data;
1023 #ifdef INET
1024 struct ifaddr *ifa = (struct ifaddr *)data;
1025 #endif
1026 qla_host_t *ha;
1027
1028 ha = (qla_host_t *)ifp->if_softc;
1029 if (ha->offline || ha->qla_initiate_recovery)
1030 return (ret);
1031
1032 switch (cmd) {
1033 case SIOCSIFADDR:
1034 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
1035 __func__, cmd));
1036
1037 #ifdef INET
1038 if (ifa->ifa_addr->sa_family == AF_INET) {
1039 ret = QLA_LOCK(ha, __func__,
1040 QLA_LOCK_DEFAULT_MS_TIMEOUT,
1041 QLA_LOCK_NO_SLEEP);
1042 if (ret)
1043 break;
1044
1045 ifp->if_flags |= IFF_UP;
1046
1047 ql_sp_log(ha, 8, 3, ifp->if_drv_flags,
1048 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1049 ntohl(IA_SIN(ifa)->sin_addr.s_addr), 0, 0);
1050
1051 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
1052 qla_init_locked(ha);
1053 }
1054
1055 QLA_UNLOCK(ha, __func__);
1056 QL_DPRINT4(ha, (ha->pci_dev,
1057 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
1058 __func__, cmd,
1059 ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
1060
1061 arp_ifinit(ifp, ifa);
1062 break;
1063 }
1064 #endif
1065 ether_ioctl(ifp, cmd, data);
1066 break;
1067
1068 case SIOCSIFMTU:
1069 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
1070 __func__, cmd));
1071
1072 if (ifr->ifr_mtu > QLA_MAX_MTU) {
1073 ret = EINVAL;
1074 } else {
1075 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1076 QLA_LOCK_NO_SLEEP);
1077
1078 if (ret)
1079 break;
1080
1081 ifp->if_mtu = ifr->ifr_mtu;
1082 ha->max_frame_size =
1083 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1084
1085 ql_sp_log(ha, 9, 4, ifp->if_drv_flags,
1086 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1087 ha->max_frame_size, ifp->if_mtu, 0);
1088
1089 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1090 qla_init_locked(ha);
1091 }
1092
1093 if (ifp->if_mtu > ETHERMTU)
1094 ha->std_replenish = QL_JUMBO_REPLENISH_THRES;
1095 else
1096 ha->std_replenish = QL_STD_REPLENISH_THRES;
1097
1098
1099 QLA_UNLOCK(ha, __func__);
1100 }
1101
1102 break;
1103
1104 case SIOCSIFFLAGS:
1105 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
1106 __func__, cmd));
1107
1108 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1109 QLA_LOCK_NO_SLEEP);
1110
1111 if (ret)
1112 break;
1113
1114 ql_sp_log(ha, 10, 4, ifp->if_drv_flags,
1115 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1116 ha->if_flags, ifp->if_flags, 0);
1117
1118 if (ifp->if_flags & IFF_UP) {
1119 ha->max_frame_size = ifp->if_mtu +
1120 ETHER_HDR_LEN + ETHER_CRC_LEN;
1121 qla_init_locked(ha);
1122
1123 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1124 if ((ifp->if_flags ^ ha->if_flags) &
1125 IFF_PROMISC) {
1126 ret = ql_set_promisc(ha);
1127 } else if ((ifp->if_flags ^ ha->if_flags) &
1128 IFF_ALLMULTI) {
1129 ret = ql_set_allmulti(ha);
1130 }
1131 }
1132 } else {
1133 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1134 qla_stop(ha);
1135 ha->if_flags = ifp->if_flags;
1136 }
1137
1138 QLA_UNLOCK(ha, __func__);
1139 break;
1140
1141 case SIOCADDMULTI:
1142 QL_DPRINT4(ha, (ha->pci_dev,
1143 "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
1144
1145 if (qla_set_multi(ha, 1))
1146 ret = EINVAL;
1147 break;
1148
1149 case SIOCDELMULTI:
1150 QL_DPRINT4(ha, (ha->pci_dev,
1151 "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
1152
1153 if (qla_set_multi(ha, 0))
1154 ret = EINVAL;
1155 break;
1156
1157 case SIOCSIFMEDIA:
1158 case SIOCGIFMEDIA:
1159 QL_DPRINT4(ha, (ha->pci_dev,
1160 "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
1161 __func__, cmd));
1162 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
1163 break;
1164
1165 case SIOCSIFCAP:
1166 {
1167 int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1168
1169 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
1170 __func__, cmd));
1171
1172 if (mask & IFCAP_HWCSUM)
1173 ifp->if_capenable ^= IFCAP_HWCSUM;
1174 if (mask & IFCAP_TSO4)
1175 ifp->if_capenable ^= IFCAP_TSO4;
1176 if (mask & IFCAP_TSO6)
1177 ifp->if_capenable ^= IFCAP_TSO6;
1178 if (mask & IFCAP_VLAN_HWTAGGING)
1179 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1180 if (mask & IFCAP_VLAN_HWTSO)
1181 ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1182 if (mask & IFCAP_LRO)
1183 ifp->if_capenable ^= IFCAP_LRO;
1184
1185 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1186 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1187 QLA_LOCK_NO_SLEEP);
1188
1189 if (ret)
1190 break;
1191
1192 ql_sp_log(ha, 11, 4, ifp->if_drv_flags,
1193 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1194 mask, ifp->if_capenable, 0);
1195
1196 qla_init_locked(ha);
1197
1198 QLA_UNLOCK(ha, __func__);
1199 }
1200 VLAN_CAPABILITIES(ifp);
1201 break;
1202 }
1203
1204 default:
1205 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n",
1206 __func__, cmd));
1207 ret = ether_ioctl(ifp, cmd, data);
1208 break;
1209 }
1210
1211 return (ret);
1212 }
1213
1214 static int
1215 qla_media_change(struct ifnet *ifp)
1216 {
1217 qla_host_t *ha;
1218 struct ifmedia *ifm;
1219 int ret = 0;
1220
1221 ha = (qla_host_t *)ifp->if_softc;
1222
1223 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1224
1225 ifm = &ha->media;
1226
1227 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1228 ret = EINVAL;
1229
1230 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1231
1232 return (ret);
1233 }
1234
1235 static void
1236 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1237 {
1238 qla_host_t *ha;
1239
1240 ha = (qla_host_t *)ifp->if_softc;
1241
1242 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1243
1244 ifmr->ifm_status = IFM_AVALID;
1245 ifmr->ifm_active = IFM_ETHER;
1246
1247 ql_update_link_state(ha);
1248 if (ha->hw.link_up) {
1249 ifmr->ifm_status |= IFM_ACTIVE;
1250 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha));
1251 }
1252
1253 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\
1254 (ha->hw.link_up ? "link_up" : "link_down")));
1255
1256 return;
1257 }
1258
1259 static int
1260 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
1261 uint32_t iscsi_pdu)
1262 {
1263 bus_dma_segment_t segs[QLA_MAX_SEGMENTS];
1264 bus_dmamap_t map;
1265 int nsegs;
1266 int ret = -1;
1267 uint32_t tx_idx;
1268 struct mbuf *m_head = *m_headp;
1269
1270 QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__));
1271
1272 tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next;
1273
1274 if ((NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) ||
1275 (QL_ERR_INJECT(ha, INJCT_TXBUF_MBUF_NON_NULL))){
1276 QL_ASSERT(ha, 0, ("%s [%d]: txr_idx = %d tx_idx = %d "\
1277 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,\
1278 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head));
1279
1280 device_printf(ha->pci_dev, "%s [%d]: txr_idx = %d tx_idx = %d "
1281 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,
1282 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head);
1283
1284 if (m_head)
1285 m_freem(m_head);
1286 *m_headp = NULL;
1287 QL_INITIATE_RECOVERY(ha);
1288 return (ret);
1289 }
1290
1291 map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
1292
1293 ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
1294 BUS_DMA_NOWAIT);
1295
1296 if (ret == EFBIG) {
1297 struct mbuf *m;
1298
1299 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
1300 m_head->m_pkthdr.len));
1301
1302 m = m_defrag(m_head, M_NOWAIT);
1303 if (m == NULL) {
1304 ha->err_tx_defrag++;
1305 m_freem(m_head);
1306 *m_headp = NULL;
1307 device_printf(ha->pci_dev,
1308 "%s: m_defrag() = NULL [%d]\n",
1309 __func__, ret);
1310 return (ENOBUFS);
1311 }
1312 m_head = m;
1313 *m_headp = m_head;
1314
1315 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
1316 segs, &nsegs, BUS_DMA_NOWAIT))) {
1317 ha->err_tx_dmamap_load++;
1318
1319 device_printf(ha->pci_dev,
1320 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
1321 __func__, ret, m_head->m_pkthdr.len);
1322
1323 if (ret != ENOMEM) {
1324 m_freem(m_head);
1325 *m_headp = NULL;
1326 }
1327 return (ret);
1328 }
1329
1330 } else if (ret) {
1331 ha->err_tx_dmamap_load++;
1332
1333 device_printf(ha->pci_dev,
1334 "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
1335 __func__, ret, m_head->m_pkthdr.len);
1336
1337 if (ret != ENOMEM) {
1338 m_freem(m_head);
1339 *m_headp = NULL;
1340 }
1341 return (ret);
1342 }
1343
1344 QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet"));
1345
1346 bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
1347
1348 if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx,
1349 iscsi_pdu))) {
1350 ha->tx_ring[txr_idx].count++;
1351 if (iscsi_pdu)
1352 ha->tx_ring[txr_idx].iscsi_pkt_count++;
1353 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
1354 } else {
1355 bus_dmamap_unload(ha->tx_tag, map);
1356 if (ret == EINVAL) {
1357 if (m_head)
1358 m_freem(m_head);
1359 *m_headp = NULL;
1360 }
1361 }
1362
1363 QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__));
1364 return (ret);
1365 }
1366
1367 static int
1368 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1369 {
1370 snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
1371 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx);
1372
1373 mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
1374
1375 fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF,
1376 M_NOWAIT, &fp->tx_mtx);
1377 if (fp->tx_br == NULL) {
1378 QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for "
1379 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx));
1380 return (-ENOMEM);
1381 }
1382 return 0;
1383 }
1384
1385 static void
1386 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1387 {
1388 struct mbuf *mp;
1389 struct ifnet *ifp = ha->ifp;
1390
1391 if (mtx_initialized(&fp->tx_mtx)) {
1392 if (fp->tx_br != NULL) {
1393 mtx_lock(&fp->tx_mtx);
1394
1395 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1396 m_freem(mp);
1397 }
1398
1399 mtx_unlock(&fp->tx_mtx);
1400
1401 buf_ring_free(fp->tx_br, M_DEVBUF);
1402 fp->tx_br = NULL;
1403 }
1404 mtx_destroy(&fp->tx_mtx);
1405 }
1406 return;
1407 }
1408
1409 static void
1410 qla_fp_taskqueue(void *context, int pending)
1411 {
1412 qla_tx_fp_t *fp;
1413 qla_host_t *ha;
1414 struct ifnet *ifp;
1415 struct mbuf *mp = NULL;
1416 int ret = 0;
1417 uint32_t txr_idx;
1418 uint32_t iscsi_pdu = 0;
1419 uint32_t rx_pkts_left = -1;
1420
1421 fp = context;
1422
1423 if (fp == NULL)
1424 return;
1425
1426 ha = (qla_host_t *)fp->ha;
1427
1428 ifp = ha->ifp;
1429
1430 txr_idx = fp->txr_idx;
1431
1432 mtx_lock(&fp->tx_mtx);
1433
1434 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING) || (!ha->hw.link_up)) {
1435 mtx_unlock(&fp->tx_mtx);
1436 goto qla_fp_taskqueue_exit;
1437 }
1438
1439 while (rx_pkts_left && !ha->stop_rcv &&
1440 (ifp->if_drv_flags & IFF_DRV_RUNNING) && ha->hw.link_up) {
1441 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64);
1442
1443 #ifdef QL_ENABLE_ISCSI_TLV
1444 ql_hw_tx_done_locked(ha, fp->txr_idx);
1445 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1)));
1446 #else
1447 ql_hw_tx_done_locked(ha, fp->txr_idx);
1448 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1449
1450 mp = drbr_peek(ifp, fp->tx_br);
1451
1452 while (mp != NULL) {
1453 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) {
1454 #ifdef QL_ENABLE_ISCSI_TLV
1455 if (ql_iscsi_pdu(ha, mp) == 0) {
1456 txr_idx = txr_idx +
1457 (ha->hw.num_tx_rings >> 1);
1458 iscsi_pdu = 1;
1459 } else {
1460 iscsi_pdu = 0;
1461 txr_idx = fp->txr_idx;
1462 }
1463 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1464 }
1465
1466 ret = qla_send(ha, &mp, txr_idx, iscsi_pdu);
1467
1468 if (ret) {
1469 if (mp != NULL)
1470 drbr_putback(ifp, fp->tx_br, mp);
1471 else {
1472 drbr_advance(ifp, fp->tx_br);
1473 }
1474
1475 mtx_unlock(&fp->tx_mtx);
1476
1477 goto qla_fp_taskqueue_exit0;
1478 } else {
1479 drbr_advance(ifp, fp->tx_br);
1480 }
1481
1482 /* Send a copy of the frame to the BPF listener */
1483 ETHER_BPF_MTAP(ifp, mp);
1484
1485 if (((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) ||
1486 (!ha->hw.link_up))
1487 break;
1488
1489 mp = drbr_peek(ifp, fp->tx_br);
1490 }
1491 }
1492 mtx_unlock(&fp->tx_mtx);
1493
1494 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1495 goto qla_fp_taskqueue_exit;
1496
1497 qla_fp_taskqueue_exit0:
1498
1499 if (rx_pkts_left || ((mp != NULL) && ret)) {
1500 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1501 } else {
1502 if (!ha->stop_rcv) {
1503 QL_ENABLE_INTERRUPTS(ha, fp->txr_idx);
1504 }
1505 }
1506
1507 qla_fp_taskqueue_exit:
1508
1509 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1510 return;
1511 }
1512
1513 static int
1514 qla_create_fp_taskqueues(qla_host_t *ha)
1515 {
1516 int i;
1517 uint8_t tq_name[32];
1518
1519 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1520 qla_tx_fp_t *fp = &ha->tx_fp[i];
1521
1522 bzero(tq_name, sizeof (tq_name));
1523 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
1524
1525 NET_TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp);
1526
1527 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT,
1528 taskqueue_thread_enqueue,
1529 &fp->fp_taskqueue);
1530
1531 if (fp->fp_taskqueue == NULL)
1532 return (-1);
1533
1534 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
1535 tq_name);
1536
1537 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__,
1538 fp->fp_taskqueue));
1539 }
1540
1541 return (0);
1542 }
1543
1544 static void
1545 qla_destroy_fp_taskqueues(qla_host_t *ha)
1546 {
1547 int i;
1548
1549 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1550 qla_tx_fp_t *fp = &ha->tx_fp[i];
1551
1552 if (fp->fp_taskqueue != NULL) {
1553 taskqueue_drain_all(fp->fp_taskqueue);
1554 taskqueue_free(fp->fp_taskqueue);
1555 fp->fp_taskqueue = NULL;
1556 }
1557 }
1558 return;
1559 }
1560
1561 static void
1562 qla_drain_fp_taskqueues(qla_host_t *ha)
1563 {
1564 int i;
1565
1566 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1567 qla_tx_fp_t *fp = &ha->tx_fp[i];
1568
1569 if (fp->fp_taskqueue != NULL) {
1570 taskqueue_drain_all(fp->fp_taskqueue);
1571 }
1572 }
1573 return;
1574 }
1575
1576 static int
1577 qla_transmit(struct ifnet *ifp, struct mbuf *mp)
1578 {
1579 qla_host_t *ha = (qla_host_t *)ifp->if_softc;
1580 qla_tx_fp_t *fp;
1581 int rss_id = 0;
1582 int ret = 0;
1583
1584 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1585
1586 #if __FreeBSD_version >= 1100000
1587 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
1588 #else
1589 if (mp->m_flags & M_FLOWID)
1590 #endif
1591 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) %
1592 ha->hw.num_sds_rings;
1593 fp = &ha->tx_fp[rss_id];
1594
1595 if (fp->tx_br == NULL) {
1596 ret = EINVAL;
1597 goto qla_transmit_exit;
1598 }
1599
1600 if (mp != NULL) {
1601 ret = drbr_enqueue(ifp, fp->tx_br, mp);
1602 }
1603
1604 if (fp->fp_taskqueue != NULL)
1605 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1606
1607 ret = 0;
1608
1609 qla_transmit_exit:
1610
1611 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1612 return ret;
1613 }
1614
1615 static void
1616 qla_qflush(struct ifnet *ifp)
1617 {
1618 int i;
1619 qla_tx_fp_t *fp;
1620 struct mbuf *mp;
1621 qla_host_t *ha;
1622
1623 ha = (qla_host_t *)ifp->if_softc;
1624
1625 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1626
1627 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1628 fp = &ha->tx_fp[i];
1629
1630 if (fp == NULL)
1631 continue;
1632
1633 if (fp->tx_br) {
1634 mtx_lock(&fp->tx_mtx);
1635
1636 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1637 m_freem(mp);
1638 }
1639 mtx_unlock(&fp->tx_mtx);
1640 }
1641 }
1642 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1643
1644 return;
1645 }
1646
1647 static void
1648 qla_stop(qla_host_t *ha)
1649 {
1650 struct ifnet *ifp = ha->ifp;
1651 int i = 0;
1652
1653 ql_sp_log(ha, 13, 0, 0, 0, 0, 0, 0);
1654
1655 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1656 ha->qla_watchdog_pause = 1;
1657
1658 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1659 qla_tx_fp_t *fp;
1660
1661 fp = &ha->tx_fp[i];
1662
1663 if (fp == NULL)
1664 continue;
1665
1666 if (fp->tx_br != NULL) {
1667 mtx_lock(&fp->tx_mtx);
1668 mtx_unlock(&fp->tx_mtx);
1669 }
1670 }
1671
1672 while (!ha->qla_watchdog_paused)
1673 qla_mdelay(__func__, 1);
1674
1675 ha->qla_interface_up = 0;
1676
1677 qla_drain_fp_taskqueues(ha);
1678
1679 ql_del_hw_if(ha);
1680
1681 qla_free_xmt_bufs(ha);
1682 qla_free_rcv_bufs(ha);
1683
1684 return;
1685 }
1686
1687 /*
1688 * Buffer Management Functions for Transmit and Receive Rings
1689 */
1690 static int
1691 qla_alloc_xmt_bufs(qla_host_t *ha)
1692 {
1693 int ret = 0;
1694 uint32_t i, j;
1695 qla_tx_buf_t *txb;
1696
1697 if (bus_dma_tag_create(NULL, /* parent */
1698 1, 0, /* alignment, bounds */
1699 BUS_SPACE_MAXADDR, /* lowaddr */
1700 BUS_SPACE_MAXADDR, /* highaddr */
1701 NULL, NULL, /* filter, filterarg */
1702 QLA_MAX_TSO_FRAME_SIZE, /* maxsize */
1703 QLA_MAX_SEGMENTS, /* nsegments */
1704 PAGE_SIZE, /* maxsegsize */
1705 BUS_DMA_ALLOCNOW, /* flags */
1706 NULL, /* lockfunc */
1707 NULL, /* lockfuncarg */
1708 &ha->tx_tag)) {
1709 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n",
1710 __func__);
1711 return (ENOMEM);
1712 }
1713
1714 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1715 bzero((void *)ha->tx_ring[i].tx_buf,
1716 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1717 }
1718
1719 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1720 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) {
1721 txb = &ha->tx_ring[j].tx_buf[i];
1722
1723 if ((ret = bus_dmamap_create(ha->tx_tag,
1724 BUS_DMA_NOWAIT, &txb->map))) {
1725 ha->err_tx_dmamap_create++;
1726 device_printf(ha->pci_dev,
1727 "%s: bus_dmamap_create failed[%d]\n",
1728 __func__, ret);
1729
1730 qla_free_xmt_bufs(ha);
1731
1732 return (ret);
1733 }
1734 }
1735 }
1736
1737 return 0;
1738 }
1739
1740 /*
1741 * Release mbuf after it sent on the wire
1742 */
1743 static void
1744 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
1745 {
1746 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1747
1748 if (txb->m_head) {
1749 bus_dmamap_sync(ha->tx_tag, txb->map,
1750 BUS_DMASYNC_POSTWRITE);
1751
1752 bus_dmamap_unload(ha->tx_tag, txb->map);
1753
1754 m_freem(txb->m_head);
1755 txb->m_head = NULL;
1756
1757 bus_dmamap_destroy(ha->tx_tag, txb->map);
1758 txb->map = NULL;
1759 }
1760
1761 if (txb->map) {
1762 bus_dmamap_unload(ha->tx_tag, txb->map);
1763 bus_dmamap_destroy(ha->tx_tag, txb->map);
1764 txb->map = NULL;
1765 }
1766
1767 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1768 }
1769
1770 static void
1771 qla_free_xmt_bufs(qla_host_t *ha)
1772 {
1773 int i, j;
1774
1775 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1776 for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
1777 qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
1778 }
1779
1780 if (ha->tx_tag != NULL) {
1781 bus_dma_tag_destroy(ha->tx_tag);
1782 ha->tx_tag = NULL;
1783 }
1784
1785 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1786 bzero((void *)ha->tx_ring[i].tx_buf,
1787 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1788 }
1789 return;
1790 }
1791
1792 static int
1793 qla_alloc_rcv_std(qla_host_t *ha)
1794 {
1795 int i, j, k, r, ret = 0;
1796 qla_rx_buf_t *rxb;
1797 qla_rx_ring_t *rx_ring;
1798
1799 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1800 rx_ring = &ha->rx_ring[r];
1801
1802 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1803 rxb = &rx_ring->rx_buf[i];
1804
1805 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT,
1806 &rxb->map);
1807
1808 if (ret) {
1809 device_printf(ha->pci_dev,
1810 "%s: dmamap[%d, %d] failed\n",
1811 __func__, r, i);
1812
1813 for (k = 0; k < r; k++) {
1814 for (j = 0; j < NUM_RX_DESCRIPTORS;
1815 j++) {
1816 rxb = &ha->rx_ring[k].rx_buf[j];
1817 bus_dmamap_destroy(ha->rx_tag,
1818 rxb->map);
1819 }
1820 }
1821
1822 for (j = 0; j < i; j++) {
1823 bus_dmamap_destroy(ha->rx_tag,
1824 rx_ring->rx_buf[j].map);
1825 }
1826 goto qla_alloc_rcv_std_err;
1827 }
1828 }
1829 }
1830
1831 qla_init_hw_rcv_descriptors(ha);
1832
1833 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1834 rx_ring = &ha->rx_ring[r];
1835
1836 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1837 rxb = &rx_ring->rx_buf[i];
1838 rxb->handle = i;
1839 if (!(ret = ql_get_mbuf(ha, rxb, NULL))) {
1840 /*
1841 * set the physical address in the
1842 * corresponding descriptor entry in the
1843 * receive ring/queue for the hba
1844 */
1845 qla_set_hw_rcv_desc(ha, r, i, rxb->handle,
1846 rxb->paddr,
1847 (rxb->m_head)->m_pkthdr.len);
1848 } else {
1849 device_printf(ha->pci_dev,
1850 "%s: ql_get_mbuf [%d, %d] failed\n",
1851 __func__, r, i);
1852 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1853 goto qla_alloc_rcv_std_err;
1854 }
1855 }
1856 }
1857 return 0;
1858
1859 qla_alloc_rcv_std_err:
1860 return (-1);
1861 }
1862
1863 static void
1864 qla_free_rcv_std(qla_host_t *ha)
1865 {
1866 int i, r;
1867 qla_rx_buf_t *rxb;
1868
1869 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1870 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1871 rxb = &ha->rx_ring[r].rx_buf[i];
1872 if (rxb->m_head != NULL) {
1873 bus_dmamap_unload(ha->rx_tag, rxb->map);
1874 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1875 m_freem(rxb->m_head);
1876 rxb->m_head = NULL;
1877 }
1878 }
1879 }
1880 return;
1881 }
1882
1883 static int
1884 qla_alloc_rcv_bufs(qla_host_t *ha)
1885 {
1886 int i, ret = 0;
1887
1888 if (bus_dma_tag_create(NULL, /* parent */
1889 1, 0, /* alignment, bounds */
1890 BUS_SPACE_MAXADDR, /* lowaddr */
1891 BUS_SPACE_MAXADDR, /* highaddr */
1892 NULL, NULL, /* filter, filterarg */
1893 MJUM9BYTES, /* maxsize */
1894 1, /* nsegments */
1895 MJUM9BYTES, /* maxsegsize */
1896 BUS_DMA_ALLOCNOW, /* flags */
1897 NULL, /* lockfunc */
1898 NULL, /* lockfuncarg */
1899 &ha->rx_tag)) {
1900 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n",
1901 __func__);
1902
1903 return (ENOMEM);
1904 }
1905
1906 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1907
1908 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1909 ha->hw.sds[i].sdsr_next = 0;
1910 ha->hw.sds[i].rxb_free = NULL;
1911 ha->hw.sds[i].rx_free = 0;
1912 }
1913
1914 ret = qla_alloc_rcv_std(ha);
1915
1916 return (ret);
1917 }
1918
1919 static void
1920 qla_free_rcv_bufs(qla_host_t *ha)
1921 {
1922 int i;
1923
1924 qla_free_rcv_std(ha);
1925
1926 if (ha->rx_tag != NULL) {
1927 bus_dma_tag_destroy(ha->rx_tag);
1928 ha->rx_tag = NULL;
1929 }
1930
1931 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1932
1933 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1934 ha->hw.sds[i].sdsr_next = 0;
1935 ha->hw.sds[i].rxb_free = NULL;
1936 ha->hw.sds[i].rx_free = 0;
1937 }
1938
1939 return;
1940 }
1941
1942 int
1943 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
1944 {
1945 register struct mbuf *mp = nmp;
1946 int ret = 0;
1947 uint32_t offset;
1948 bus_dma_segment_t segs[1];
1949 int nsegs, mbuf_size;
1950
1951 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1952
1953 if (ha->hw.enable_9kb)
1954 mbuf_size = MJUM9BYTES;
1955 else
1956 mbuf_size = MCLBYTES;
1957
1958 if (mp == NULL) {
1959 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE))
1960 return(-1);
1961
1962 if (ha->hw.enable_9kb)
1963 mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size);
1964 else
1965 mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1966
1967 if (mp == NULL) {
1968 ha->err_m_getcl++;
1969 ret = ENOBUFS;
1970 device_printf(ha->pci_dev,
1971 "%s: m_getcl failed\n", __func__);
1972 goto exit_ql_get_mbuf;
1973 }
1974 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1975 } else {
1976 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1977 mp->m_data = mp->m_ext.ext_buf;
1978 mp->m_next = NULL;
1979 }
1980
1981 offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
1982 if (offset) {
1983 offset = 8 - offset;
1984 m_adj(mp, offset);
1985 }
1986
1987 /*
1988 * Using memory from the mbuf cluster pool, invoke the bus_dma
1989 * machinery to arrange the memory mapping.
1990 */
1991 ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
1992 mp, segs, &nsegs, BUS_DMA_NOWAIT);
1993 rxb->paddr = segs[0].ds_addr;
1994
1995 if (ret || !rxb->paddr || (nsegs != 1)) {
1996 m_free(mp);
1997 rxb->m_head = NULL;
1998 device_printf(ha->pci_dev,
1999 "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
2000 __func__, ret, (long long unsigned int)rxb->paddr,
2001 nsegs);
2002 ret = -1;
2003 goto exit_ql_get_mbuf;
2004 }
2005 rxb->m_head = mp;
2006 bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
2007
2008 exit_ql_get_mbuf:
2009 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
2010 return (ret);
2011 }
2012
2013 static void
2014 qla_get_peer(qla_host_t *ha)
2015 {
2016 device_t *peers;
2017 int count, i, slot;
2018 int my_slot = pci_get_slot(ha->pci_dev);
2019
2020 if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count))
2021 return;
2022
2023 for (i = 0; i < count; i++) {
2024 slot = pci_get_slot(peers[i]);
2025
2026 if ((slot >= 0) && (slot == my_slot) &&
2027 (pci_get_device(peers[i]) ==
2028 pci_get_device(ha->pci_dev))) {
2029 if (ha->pci_dev != peers[i])
2030 ha->peer_dev = peers[i];
2031 }
2032 }
2033 }
2034
2035 static void
2036 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer)
2037 {
2038 qla_host_t *ha_peer;
2039
2040 if (ha->peer_dev) {
2041 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) {
2042 ha_peer->msg_from_peer = msg_to_peer;
2043 }
2044 }
2045 }
2046
2047 void
2048 qla_set_error_recovery(qla_host_t *ha)
2049 {
2050 struct ifnet *ifp = ha->ifp;
2051
2052 if (!cold && ha->enable_error_recovery) {
2053 if (ifp)
2054 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2055 ha->qla_initiate_recovery = 1;
2056 } else
2057 ha->offline = 1;
2058 return;
2059 }
2060
2061 static void
2062 qla_error_recovery(void *context, int pending)
2063 {
2064 qla_host_t *ha = context;
2065 uint32_t msecs_100 = 400;
2066 struct ifnet *ifp = ha->ifp;
2067 int i = 0;
2068
2069 device_printf(ha->pci_dev, "%s: enter\n", __func__);
2070 ha->hw.imd_compl = 1;
2071
2072 taskqueue_drain_all(ha->stats_tq);
2073 taskqueue_drain_all(ha->async_event_tq);
2074
2075 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2076 return;
2077
2078 device_printf(ha->pci_dev, "%s: ts_usecs = %ld start\n",
2079 __func__, qla_get_usec_timestamp());
2080
2081 if (ha->qla_interface_up) {
2082 qla_mdelay(__func__, 300);
2083
2084 //ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2085
2086 for (i = 0; i < ha->hw.num_sds_rings; i++) {
2087 qla_tx_fp_t *fp;
2088
2089 fp = &ha->tx_fp[i];
2090
2091 if (fp == NULL)
2092 continue;
2093
2094 if (fp->tx_br != NULL) {
2095 mtx_lock(&fp->tx_mtx);
2096 mtx_unlock(&fp->tx_mtx);
2097 }
2098 }
2099 }
2100
2101 qla_drain_fp_taskqueues(ha);
2102
2103 if ((ha->pci_func & 0x1) == 0) {
2104 if (!ha->msg_from_peer) {
2105 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2106
2107 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) &&
2108 msecs_100--)
2109 qla_mdelay(__func__, 100);
2110 }
2111
2112 ha->msg_from_peer = 0;
2113
2114 if (ha->enable_minidump)
2115 ql_minidump(ha);
2116
2117 if (ha->enable_driverstate_dump)
2118 ql_capture_drvr_state(ha);
2119
2120 if (ql_init_hw(ha)) {
2121 device_printf(ha->pci_dev,
2122 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2123 __func__, qla_get_usec_timestamp());
2124 ha->offline = 1;
2125 goto qla_error_recovery_exit;
2126 }
2127
2128 if (ha->qla_interface_up) {
2129 qla_free_xmt_bufs(ha);
2130 qla_free_rcv_bufs(ha);
2131 }
2132
2133 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2134 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2135
2136 } else {
2137 if (ha->msg_from_peer == QL_PEER_MSG_RESET) {
2138 ha->msg_from_peer = 0;
2139
2140 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2141 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2142 } else {
2143 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2144 }
2145
2146 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && msecs_100--)
2147 qla_mdelay(__func__, 100);
2148 ha->msg_from_peer = 0;
2149
2150 if (ha->enable_driverstate_dump)
2151 ql_capture_drvr_state(ha);
2152
2153 if (msecs_100 == 0) {
2154 device_printf(ha->pci_dev,
2155 "%s: ts_usecs = %ld exit: QL_PEER_MSG_ACK not received\n",
2156 __func__, qla_get_usec_timestamp());
2157 ha->offline = 1;
2158 goto qla_error_recovery_exit;
2159 }
2160
2161 if (ql_init_hw(ha)) {
2162 device_printf(ha->pci_dev,
2163 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2164 __func__, qla_get_usec_timestamp());
2165 ha->offline = 1;
2166 goto qla_error_recovery_exit;
2167 }
2168
2169 if (ha->qla_interface_up) {
2170 qla_free_xmt_bufs(ha);
2171 qla_free_rcv_bufs(ha);
2172 }
2173 }
2174
2175 qla_mdelay(__func__, ha->ms_delay_after_init);
2176
2177 *((uint32_t *)&ha->hw.flags) = 0;
2178 ha->qla_initiate_recovery = 0;
2179
2180 if (ha->qla_interface_up) {
2181 if (qla_alloc_xmt_bufs(ha) != 0) {
2182 ha->offline = 1;
2183 goto qla_error_recovery_exit;
2184 }
2185
2186 qla_confirm_9kb_enable(ha);
2187
2188 if (qla_alloc_rcv_bufs(ha) != 0) {
2189 ha->offline = 1;
2190 goto qla_error_recovery_exit;
2191 }
2192
2193 ha->stop_rcv = 0;
2194
2195 if (ql_init_hw_if(ha) == 0) {
2196 ifp = ha->ifp;
2197 ifp->if_drv_flags |= IFF_DRV_RUNNING;
2198 ha->qla_watchdog_pause = 0;
2199 ql_update_link_state(ha);
2200 } else {
2201 ha->offline = 1;
2202
2203 if (ha->hw.sp_log_stop_events &
2204 Q8_SP_LOG_STOP_IF_START_FAILURE)
2205 ha->hw.sp_log_stop = -1;
2206 }
2207 } else {
2208 ha->qla_watchdog_pause = 0;
2209 }
2210
2211 qla_error_recovery_exit:
2212
2213 if (ha->offline ) {
2214 device_printf(ha->pci_dev, "%s: ts_usecs = %ld port offline\n",
2215 __func__, qla_get_usec_timestamp());
2216 if (ha->hw.sp_log_stop_events &
2217 Q8_SP_LOG_STOP_ERR_RECOVERY_FAILURE)
2218 ha->hw.sp_log_stop = -1;
2219 }
2220
2221 QLA_UNLOCK(ha, __func__);
2222
2223 if (!ha->offline)
2224 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
2225 qla_watchdog, ha);
2226
2227 device_printf(ha->pci_dev,
2228 "%s: ts_usecs = %ld exit\n",
2229 __func__, qla_get_usec_timestamp());
2230 return;
2231 }
2232
2233 static void
2234 qla_async_event(void *context, int pending)
2235 {
2236 qla_host_t *ha = context;
2237
2238 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2239 return;
2240
2241 if (ha->async_event) {
2242 ha->async_event = 0;
2243 qla_hw_async_event(ha);
2244 }
2245
2246 QLA_UNLOCK(ha, __func__);
2247
2248 return;
2249 }
2250
2251 static void
2252 qla_stats(void *context, int pending)
2253 {
2254 qla_host_t *ha;
2255
2256 ha = context;
2257
2258 ql_get_stats(ha);
2259
2260 return;
2261 }
Cache object: 3f5958b3def4472ffb9239f539ee434c
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