1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
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 #include "ql_os.h"
37 #include "ql_hw.h"
38 #include "ql_def.h"
39 #include "ql_inline.h"
40 #include "ql_ver.h"
41 #include "ql_glbl.h"
42 #include "ql_dbg.h"
43 #include <sys/smp.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_ISP8030
54 #define PCI_PRODUCT_QLOGIC_ISP8030 0x8030
55 #endif
56
57 #define PCI_QLOGIC_ISP8030 \
58 ((PCI_PRODUCT_QLOGIC_ISP8030 << 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 static void qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb);
70
71 static void qla_init_ifnet(device_t dev, qla_host_t *ha);
72 static int qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS);
73 static void qla_release(qla_host_t *ha);
74 static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs,
75 int error);
76 static void qla_stop(qla_host_t *ha);
77 static void qla_get_peer(qla_host_t *ha);
78 static void qla_error_recovery(void *context, int pending);
79 static void qla_async_event(void *context, int pending);
80 static void qla_stats(void *context, int pending);
81 static int qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
82 uint32_t iscsi_pdu);
83
84 /*
85 * Hooks to the Operating Systems
86 */
87 static int qla_pci_probe (device_t);
88 static int qla_pci_attach (device_t);
89 static int qla_pci_detach (device_t);
90
91 static void qla_init(void *arg);
92 static int qla_ioctl(if_t ifp, u_long cmd, caddr_t data);
93 static int qla_media_change(if_t ifp);
94 static void qla_media_status(if_t ifp, struct ifmediareq *ifmr);
95
96 static int qla_transmit(if_t ifp, struct mbuf *mp);
97 static void qla_qflush(if_t ifp);
98 static int qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
99 static void qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
100 static int qla_create_fp_taskqueues(qla_host_t *ha);
101 static void qla_destroy_fp_taskqueues(qla_host_t *ha);
102 static void qla_drain_fp_taskqueues(qla_host_t *ha);
103
104 static device_method_t qla_pci_methods[] = {
105 /* Device interface */
106 DEVMETHOD(device_probe, qla_pci_probe),
107 DEVMETHOD(device_attach, qla_pci_attach),
108 DEVMETHOD(device_detach, qla_pci_detach),
109 { 0, 0 }
110 };
111
112 static driver_t qla_pci_driver = {
113 "ql", qla_pci_methods, sizeof (qla_host_t),
114 };
115
116 DRIVER_MODULE(qla83xx, pci, qla_pci_driver, 0, 0);
117
118 MODULE_DEPEND(qla83xx, pci, 1, 1, 1);
119 MODULE_DEPEND(qla83xx, ether, 1, 1, 1);
120
121 MALLOC_DEFINE(M_QLA83XXBUF, "qla83xxbuf", "Buffers for qla83xx driver");
122
123 #define QL_STD_REPLENISH_THRES 0
124 #define QL_JUMBO_REPLENISH_THRES 32
125
126 static char dev_str[64];
127 static char ver_str[64];
128
129 /*
130 * Name: qla_pci_probe
131 * Function: Validate the PCI device to be a QLA80XX device
132 */
133 static int
qla_pci_probe(device_t dev)134 qla_pci_probe(device_t dev)
135 {
136 switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
137 case PCI_QLOGIC_ISP8030:
138 snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d",
139 "Qlogic ISP 83xx PCI CNA Adapter-Ethernet Function",
140 QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
141 QLA_VERSION_BUILD);
142 snprintf(ver_str, sizeof(ver_str), "v%d.%d.%d",
143 QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
144 QLA_VERSION_BUILD);
145 device_set_desc(dev, dev_str);
146 break;
147 default:
148 return (ENXIO);
149 }
150
151 if (bootverbose)
152 printf("%s: %s\n ", __func__, dev_str);
153
154 return (BUS_PROBE_DEFAULT);
155 }
156
157 static void
qla_add_sysctls(qla_host_t * ha)158 qla_add_sysctls(qla_host_t *ha)
159 {
160 device_t dev = ha->pci_dev;
161
162 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev),
163 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
164 OID_AUTO, "version", CTLFLAG_RD,
165 ver_str, 0, "Driver Version");
166
167 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev),
168 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
169 OID_AUTO, "fw_version", CTLFLAG_RD,
170 ha->fw_ver_str, 0, "firmware version");
171
172 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
173 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
174 "link_status", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
175 (void *)ha, 0, qla_sysctl_get_link_status, "I", "Link Status");
176
177 ha->dbg_level = 0;
178 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
179 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
180 OID_AUTO, "debug", CTLFLAG_RW,
181 &ha->dbg_level, ha->dbg_level, "Debug Level");
182
183 ha->enable_minidump = 1;
184 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
185 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
186 OID_AUTO, "enable_minidump", CTLFLAG_RW,
187 &ha->enable_minidump, ha->enable_minidump,
188 "Minidump retrival prior to error recovery "
189 "is enabled only when this is set");
190
191 ha->enable_driverstate_dump = 1;
192 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
193 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
194 OID_AUTO, "enable_driverstate_dump", CTLFLAG_RW,
195 &ha->enable_driverstate_dump, ha->enable_driverstate_dump,
196 "Driver State retrival prior to error recovery "
197 "is enabled only when this is set");
198
199 ha->enable_error_recovery = 1;
200 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
201 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
202 OID_AUTO, "enable_error_recovery", CTLFLAG_RW,
203 &ha->enable_error_recovery, ha->enable_error_recovery,
204 "when set error recovery is enabled on fatal errors "
205 "otherwise the port is turned offline");
206
207 ha->ms_delay_after_init = 1000;
208 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
209 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
210 OID_AUTO, "ms_delay_after_init", CTLFLAG_RW,
211 &ha->ms_delay_after_init, ha->ms_delay_after_init,
212 "millisecond delay after hw_init");
213
214 ha->std_replenish = QL_STD_REPLENISH_THRES;
215 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
216 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
217 OID_AUTO, "std_replenish", CTLFLAG_RW,
218 &ha->std_replenish, ha->std_replenish,
219 "Threshold for Replenishing Standard Frames");
220
221 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
222 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
223 OID_AUTO, "ipv4_lro",
224 CTLFLAG_RD, &ha->ipv4_lro,
225 "number of ipv4 lro completions");
226
227 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
228 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
229 OID_AUTO, "ipv6_lro",
230 CTLFLAG_RD, &ha->ipv6_lro,
231 "number of ipv6 lro completions");
232
233 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
234 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
235 OID_AUTO, "tx_tso_frames",
236 CTLFLAG_RD, &ha->tx_tso_frames,
237 "number of Tx TSO Frames");
238
239 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
240 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
241 OID_AUTO, "hw_vlan_tx_frames",
242 CTLFLAG_RD, &ha->hw_vlan_tx_frames,
243 "number of Tx VLAN Frames");
244
245 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
246 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
247 OID_AUTO, "hw_lock_failed",
248 CTLFLAG_RD, &ha->hw_lock_failed,
249 "number of hw_lock failures");
250
251 return;
252 }
253
254 static void
qla_watchdog(void * arg)255 qla_watchdog(void *arg)
256 {
257 qla_host_t *ha = arg;
258 if_t ifp;
259
260 ifp = ha->ifp;
261
262 if (ha->qla_watchdog_exit) {
263 ha->qla_watchdog_exited = 1;
264 return;
265 }
266 ha->qla_watchdog_exited = 0;
267
268 if (!ha->qla_watchdog_pause) {
269 if (!ha->offline &&
270 (ql_hw_check_health(ha) || ha->qla_initiate_recovery ||
271 (ha->msg_from_peer == QL_PEER_MSG_RESET))) {
272 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
273 ql_update_link_state(ha);
274
275 if (ha->enable_error_recovery) {
276 ha->qla_watchdog_paused = 1;
277 ha->qla_watchdog_pause = 1;
278 ha->err_inject = 0;
279 device_printf(ha->pci_dev,
280 "%s: taskqueue_enqueue(err_task) \n",
281 __func__);
282 taskqueue_enqueue(ha->err_tq, &ha->err_task);
283 } else {
284 if (ifp != NULL)
285 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
286 ha->offline = 1;
287 }
288 return;
289
290 } else {
291 if (ha->qla_interface_up) {
292 ha->watchdog_ticks++;
293
294 if (ha->watchdog_ticks > 1000)
295 ha->watchdog_ticks = 0;
296
297 if (!ha->watchdog_ticks && QL_RUNNING(ifp)) {
298 taskqueue_enqueue(ha->stats_tq,
299 &ha->stats_task);
300 }
301
302 if (ha->async_event) {
303 taskqueue_enqueue(ha->async_event_tq,
304 &ha->async_event_task);
305 }
306 }
307 ha->qla_watchdog_paused = 0;
308 }
309 } else {
310 ha->qla_watchdog_paused = 1;
311 }
312
313 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
314 qla_watchdog, ha);
315 }
316
317 /*
318 * Name: qla_pci_attach
319 * Function: attaches the device to the operating system
320 */
321 static int
qla_pci_attach(device_t dev)322 qla_pci_attach(device_t dev)
323 {
324 qla_host_t *ha = NULL;
325 uint32_t rsrc_len __unused;
326 int i;
327 uint32_t num_rcvq = 0;
328
329 if ((ha = device_get_softc(dev)) == NULL) {
330 device_printf(dev, "cannot get softc\n");
331 return (ENOMEM);
332 }
333
334 memset(ha, 0, sizeof (qla_host_t));
335
336 if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8030) {
337 device_printf(dev, "device is not ISP8030\n");
338 return (ENXIO);
339 }
340
341 ha->pci_func = pci_get_function(dev) & 0x1;
342
343 ha->pci_dev = dev;
344
345 pci_enable_busmaster(dev);
346
347 ha->reg_rid = PCIR_BAR(0);
348 ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid,
349 RF_ACTIVE);
350
351 if (ha->pci_reg == NULL) {
352 device_printf(dev, "unable to map any ports\n");
353 goto qla_pci_attach_err;
354 }
355
356 rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY,
357 ha->reg_rid);
358
359 mtx_init(&ha->hw_lock, "qla83xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF);
360 mtx_init(&ha->sp_log_lock, "qla83xx_sp_log_lock", MTX_NETWORK_LOCK, MTX_DEF);
361 ha->flags.lock_init = 1;
362
363 qla_add_sysctls(ha);
364
365 ha->hw.num_sds_rings = MAX_SDS_RINGS;
366 ha->hw.num_rds_rings = MAX_RDS_RINGS;
367 ha->hw.num_tx_rings = NUM_TX_RINGS;
368
369 ha->reg_rid1 = PCIR_BAR(2);
370 ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
371 &ha->reg_rid1, RF_ACTIVE);
372
373 ha->msix_count = pci_msix_count(dev);
374
375 if (ha->msix_count < 1 ) {
376 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__,
377 ha->msix_count);
378 goto qla_pci_attach_err;
379 }
380
381 if (ha->msix_count < (ha->hw.num_sds_rings + 1)) {
382 ha->hw.num_sds_rings = ha->msix_count - 1;
383 }
384
385 QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
386 " msix_count 0x%x pci_reg %p pci_reg1 %p\n", __func__, ha,
387 ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg,
388 ha->pci_reg1));
389
390 /* initialize hardware */
391 if (ql_init_hw(ha)) {
392 device_printf(dev, "%s: ql_init_hw failed\n", __func__);
393 goto qla_pci_attach_err;
394 }
395
396 device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__,
397 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
398 ha->fw_ver_build);
399 snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d",
400 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
401 ha->fw_ver_build);
402
403 if (qla_get_nic_partition(ha, NULL, &num_rcvq)) {
404 device_printf(dev, "%s: qla_get_nic_partition failed\n",
405 __func__);
406 goto qla_pci_attach_err;
407 }
408 QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
409 " msix_count 0x%x pci_reg %p pci_reg1 %p num_rcvq = %d\n",
410 __func__, ha, ha->pci_func, rsrc_len, ha->msix_count,
411 ha->pci_reg, ha->pci_reg1, num_rcvq));
412
413 if ((ha->msix_count < 64) || (num_rcvq != 32)) {
414 if (ha->hw.num_sds_rings > 15) {
415 ha->hw.num_sds_rings = 15;
416 }
417 }
418
419 ha->hw.num_rds_rings = ha->hw.num_sds_rings;
420 ha->hw.num_tx_rings = ha->hw.num_sds_rings;
421
422 #ifdef QL_ENABLE_ISCSI_TLV
423 ha->hw.num_tx_rings = ha->hw.num_sds_rings * 2;
424 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
425
426 ql_hw_add_sysctls(ha);
427
428 ha->msix_count = ha->hw.num_sds_rings + 1;
429
430 if (pci_alloc_msix(dev, &ha->msix_count)) {
431 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__,
432 ha->msix_count);
433 ha->msix_count = 0;
434 goto qla_pci_attach_err;
435 }
436
437 ha->mbx_irq_rid = 1;
438 ha->mbx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
439 &ha->mbx_irq_rid,
440 (RF_ACTIVE | RF_SHAREABLE));
441 if (ha->mbx_irq == NULL) {
442 device_printf(dev, "could not allocate mbx interrupt\n");
443 goto qla_pci_attach_err;
444 }
445 if (bus_setup_intr(dev, ha->mbx_irq, (INTR_TYPE_NET | INTR_MPSAFE),
446 NULL, ql_mbx_isr, ha, &ha->mbx_handle)) {
447 device_printf(dev, "could not setup mbx interrupt\n");
448 goto qla_pci_attach_err;
449 }
450
451 for (i = 0; i < ha->hw.num_sds_rings; i++) {
452 ha->irq_vec[i].sds_idx = i;
453 ha->irq_vec[i].ha = ha;
454 ha->irq_vec[i].irq_rid = 2 + i;
455
456 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
457 &ha->irq_vec[i].irq_rid,
458 (RF_ACTIVE | RF_SHAREABLE));
459
460 if (ha->irq_vec[i].irq == NULL) {
461 device_printf(dev, "could not allocate interrupt\n");
462 goto qla_pci_attach_err;
463 }
464 if (bus_setup_intr(dev, ha->irq_vec[i].irq,
465 (INTR_TYPE_NET | INTR_MPSAFE),
466 NULL, ql_isr, &ha->irq_vec[i],
467 &ha->irq_vec[i].handle)) {
468 device_printf(dev, "could not setup interrupt\n");
469 goto qla_pci_attach_err;
470 }
471
472 ha->tx_fp[i].ha = ha;
473 ha->tx_fp[i].txr_idx = i;
474
475 if (qla_alloc_tx_br(ha, &ha->tx_fp[i])) {
476 device_printf(dev, "%s: could not allocate tx_br[%d]\n",
477 __func__, i);
478 goto qla_pci_attach_err;
479 }
480 }
481
482 if (qla_create_fp_taskqueues(ha) != 0)
483 goto qla_pci_attach_err;
484
485 printf("%s: mp__ncpus %d sds %d rds %d msi-x %d\n", __func__, mp_ncpus,
486 ha->hw.num_sds_rings, ha->hw.num_rds_rings, ha->msix_count);
487
488 ql_read_mac_addr(ha);
489
490 /* allocate parent dma tag */
491 if (qla_alloc_parent_dma_tag(ha)) {
492 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n",
493 __func__);
494 goto qla_pci_attach_err;
495 }
496
497 /* alloc all dma buffers */
498 if (ql_alloc_dma(ha)) {
499 device_printf(dev, "%s: ql_alloc_dma failed\n", __func__);
500 goto qla_pci_attach_err;
501 }
502 qla_get_peer(ha);
503
504 if (ql_minidump_init(ha) != 0) {
505 device_printf(dev, "%s: ql_minidump_init failed\n", __func__);
506 goto qla_pci_attach_err;
507 }
508 ql_alloc_drvr_state_buffer(ha);
509 ql_alloc_sp_log_buffer(ha);
510 /* create the o.s ethernet interface */
511 qla_init_ifnet(dev, ha);
512
513 ha->flags.qla_watchdog_active = 1;
514 ha->qla_watchdog_pause = 0;
515
516 callout_init(&ha->tx_callout, TRUE);
517 ha->flags.qla_callout_init = 1;
518
519 /* create ioctl device interface */
520 if (ql_make_cdev(ha)) {
521 device_printf(dev, "%s: ql_make_cdev failed\n", __func__);
522 goto qla_pci_attach_err;
523 }
524
525 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
526 qla_watchdog, ha);
527
528 TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha);
529 ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT,
530 taskqueue_thread_enqueue, &ha->err_tq);
531 taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq",
532 device_get_nameunit(ha->pci_dev));
533
534 TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha);
535 ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT,
536 taskqueue_thread_enqueue, &ha->async_event_tq);
537 taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq",
538 device_get_nameunit(ha->pci_dev));
539
540 TASK_INIT(&ha->stats_task, 0, qla_stats, ha);
541 ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT,
542 taskqueue_thread_enqueue, &ha->stats_tq);
543 taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq",
544 device_get_nameunit(ha->pci_dev));
545
546 QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__));
547 return (0);
548
549 qla_pci_attach_err:
550
551 qla_release(ha);
552
553 if (ha->flags.lock_init) {
554 mtx_destroy(&ha->hw_lock);
555 mtx_destroy(&ha->sp_log_lock);
556 }
557
558 QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__));
559 return (ENXIO);
560 }
561
562 /*
563 * Name: qla_pci_detach
564 * Function: Unhooks the device from the operating system
565 */
566 static int
qla_pci_detach(device_t dev)567 qla_pci_detach(device_t dev)
568 {
569 qla_host_t *ha = NULL;
570 if_t ifp;
571
572 if ((ha = device_get_softc(dev)) == NULL) {
573 device_printf(dev, "cannot get softc\n");
574 return (ENOMEM);
575 }
576
577 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
578
579 ifp = ha->ifp;
580
581 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
582 QLA_LOCK(ha, __func__, -1, 0);
583
584 ha->qla_detach_active = 1;
585 qla_stop(ha);
586
587 qla_release(ha);
588
589 QLA_UNLOCK(ha, __func__);
590
591 if (ha->flags.lock_init) {
592 mtx_destroy(&ha->hw_lock);
593 mtx_destroy(&ha->sp_log_lock);
594 }
595
596 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
597
598 return (0);
599 }
600
601 /*
602 * SYSCTL Related Callbacks
603 */
604 static int
qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)605 qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)
606 {
607 int err, ret = 0;
608 qla_host_t *ha;
609
610 err = sysctl_handle_int(oidp, &ret, 0, req);
611
612 if (err || !req->newptr)
613 return (err);
614
615 if (ret == 1) {
616 ha = (qla_host_t *)arg1;
617 ql_hw_link_status(ha);
618 }
619 return (err);
620 }
621
622 /*
623 * Name: qla_release
624 * Function: Releases the resources allocated for the device
625 */
626 static void
qla_release(qla_host_t * ha)627 qla_release(qla_host_t *ha)
628 {
629 device_t dev;
630 int i;
631
632 dev = ha->pci_dev;
633
634 if (ha->async_event_tq) {
635 taskqueue_drain_all(ha->async_event_tq);
636 taskqueue_free(ha->async_event_tq);
637 }
638
639 if (ha->err_tq) {
640 taskqueue_drain_all(ha->err_tq);
641 taskqueue_free(ha->err_tq);
642 }
643
644 if (ha->stats_tq) {
645 taskqueue_drain_all(ha->stats_tq);
646 taskqueue_free(ha->stats_tq);
647 }
648
649 ql_del_cdev(ha);
650
651 if (ha->flags.qla_watchdog_active) {
652 ha->qla_watchdog_exit = 1;
653
654 while (ha->qla_watchdog_exited == 0)
655 qla_mdelay(__func__, 1);
656 }
657
658 if (ha->flags.qla_callout_init)
659 callout_stop(&ha->tx_callout);
660
661 if (ha->ifp != NULL)
662 ether_ifdetach(ha->ifp);
663
664 ql_free_drvr_state_buffer(ha);
665 ql_free_sp_log_buffer(ha);
666 ql_free_dma(ha);
667 qla_free_parent_dma_tag(ha);
668
669 if (ha->mbx_handle)
670 (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle);
671
672 if (ha->mbx_irq)
673 (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid,
674 ha->mbx_irq);
675
676 for (i = 0; i < ha->hw.num_sds_rings; i++) {
677 if (ha->irq_vec[i].handle) {
678 (void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
679 ha->irq_vec[i].handle);
680 }
681
682 if (ha->irq_vec[i].irq) {
683 (void)bus_release_resource(dev, SYS_RES_IRQ,
684 ha->irq_vec[i].irq_rid,
685 ha->irq_vec[i].irq);
686 }
687
688 qla_free_tx_br(ha, &ha->tx_fp[i]);
689 }
690 qla_destroy_fp_taskqueues(ha);
691
692 if (ha->msix_count)
693 pci_release_msi(dev);
694
695 if (ha->pci_reg)
696 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
697 ha->pci_reg);
698
699 if (ha->pci_reg1)
700 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1,
701 ha->pci_reg1);
702
703 return;
704 }
705
706 /*
707 * DMA Related Functions
708 */
709
710 static void
qla_dmamap_callback(void * arg,bus_dma_segment_t * segs,int nsegs,int error)711 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
712 {
713 *((bus_addr_t *)arg) = 0;
714
715 if (error) {
716 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
717 return;
718 }
719
720 *((bus_addr_t *)arg) = segs[0].ds_addr;
721
722 return;
723 }
724
725 int
ql_alloc_dmabuf(qla_host_t * ha,qla_dma_t * dma_buf)726 ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
727 {
728 int ret = 0;
729 device_t dev;
730 bus_addr_t b_addr;
731
732 dev = ha->pci_dev;
733
734 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
735
736 ret = bus_dma_tag_create(
737 ha->parent_tag,/* parent */
738 dma_buf->alignment,
739 ((bus_size_t)(1ULL << 32)),/* boundary */
740 BUS_SPACE_MAXADDR, /* lowaddr */
741 BUS_SPACE_MAXADDR, /* highaddr */
742 NULL, NULL, /* filter, filterarg */
743 dma_buf->size, /* maxsize */
744 1, /* nsegments */
745 dma_buf->size, /* maxsegsize */
746 0, /* flags */
747 NULL, NULL, /* lockfunc, lockarg */
748 &dma_buf->dma_tag);
749
750 if (ret) {
751 device_printf(dev, "%s: could not create dma tag\n", __func__);
752 goto ql_alloc_dmabuf_exit;
753 }
754 ret = bus_dmamem_alloc(dma_buf->dma_tag,
755 (void **)&dma_buf->dma_b,
756 (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
757 &dma_buf->dma_map);
758 if (ret) {
759 bus_dma_tag_destroy(dma_buf->dma_tag);
760 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__);
761 goto ql_alloc_dmabuf_exit;
762 }
763
764 ret = bus_dmamap_load(dma_buf->dma_tag,
765 dma_buf->dma_map,
766 dma_buf->dma_b,
767 dma_buf->size,
768 qla_dmamap_callback,
769 &b_addr, BUS_DMA_NOWAIT);
770
771 if (ret || !b_addr) {
772 bus_dma_tag_destroy(dma_buf->dma_tag);
773 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
774 dma_buf->dma_map);
775 ret = -1;
776 goto ql_alloc_dmabuf_exit;
777 }
778
779 dma_buf->dma_addr = b_addr;
780
781 ql_alloc_dmabuf_exit:
782 QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n",
783 __func__, ret, (void *)dma_buf->dma_tag,
784 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b,
785 dma_buf->size));
786
787 return ret;
788 }
789
790 void
ql_free_dmabuf(qla_host_t * ha,qla_dma_t * dma_buf)791 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
792 {
793 bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
794 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
795 bus_dma_tag_destroy(dma_buf->dma_tag);
796 }
797
798 static int
qla_alloc_parent_dma_tag(qla_host_t * ha)799 qla_alloc_parent_dma_tag(qla_host_t *ha)
800 {
801 int ret;
802 device_t dev;
803
804 dev = ha->pci_dev;
805
806 /*
807 * Allocate parent DMA Tag
808 */
809 ret = bus_dma_tag_create(
810 bus_get_dma_tag(dev), /* parent */
811 1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
812 BUS_SPACE_MAXADDR, /* lowaddr */
813 BUS_SPACE_MAXADDR, /* highaddr */
814 NULL, NULL, /* filter, filterarg */
815 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
816 0, /* nsegments */
817 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
818 0, /* flags */
819 NULL, NULL, /* lockfunc, lockarg */
820 &ha->parent_tag);
821
822 if (ret) {
823 device_printf(dev, "%s: could not create parent dma tag\n",
824 __func__);
825 return (-1);
826 }
827
828 ha->flags.parent_tag = 1;
829
830 return (0);
831 }
832
833 static void
qla_free_parent_dma_tag(qla_host_t * ha)834 qla_free_parent_dma_tag(qla_host_t *ha)
835 {
836 if (ha->flags.parent_tag) {
837 bus_dma_tag_destroy(ha->parent_tag);
838 ha->flags.parent_tag = 0;
839 }
840 }
841
842 /*
843 * Name: qla_init_ifnet
844 * Function: Creates the Network Device Interface and Registers it with the O.S
845 */
846
847 static void
qla_init_ifnet(device_t dev,qla_host_t * ha)848 qla_init_ifnet(device_t dev, qla_host_t *ha)
849 {
850 if_t ifp;
851
852 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
853
854 ifp = ha->ifp = if_alloc(IFT_ETHER);
855 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
856
857 if_setbaudrate(ifp, IF_Gbps(10));
858 if_setcapabilities(ifp, IFCAP_LINKSTATE);
859 if_setmtu(ifp, ETHERMTU);
860
861 if_setinitfn(ifp, qla_init);
862 if_setsoftc(ifp, ha);
863 if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
864 if_setioctlfn(ifp, qla_ioctl);
865
866 if_settransmitfn(ifp, qla_transmit);
867 if_setqflushfn(ifp, qla_qflush);
868
869 if_setsendqlen(ifp, qla_get_ifq_snd_maxlen(ha));
870 if_setsendqready(ifp);
871
872 ha->max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
873
874 ether_ifattach(ifp, qla_get_mac_addr(ha));
875
876 if_setcapabilitiesbit(ifp, IFCAP_HWCSUM |
877 IFCAP_TSO4 |
878 IFCAP_TSO6 |
879 IFCAP_JUMBO_MTU |
880 IFCAP_VLAN_HWTAGGING |
881 IFCAP_VLAN_MTU |
882 IFCAP_VLAN_HWTSO |
883 IFCAP_LRO, 0);
884
885 if_setcapenable(ifp, if_getcapabilities(ifp));
886
887 if_setifheaderlen(ifp, sizeof(struct ether_vlan_header));
888
889 ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status);
890
891 ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0,
892 NULL);
893 ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
894
895 ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
896
897 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
898
899 return;
900 }
901
902 static void
qla_init_locked(qla_host_t * ha)903 qla_init_locked(qla_host_t *ha)
904 {
905 if_t ifp = ha->ifp;
906
907 ql_sp_log(ha, 14, 0, 0, 0, 0, 0, 0);
908
909 qla_stop(ha);
910
911 if (qla_alloc_xmt_bufs(ha) != 0)
912 return;
913
914 qla_confirm_9kb_enable(ha);
915
916 if (qla_alloc_rcv_bufs(ha) != 0)
917 return;
918
919 bcopy(if_getlladdr(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN);
920
921 if_sethwassist(ifp, CSUM_TCP | CSUM_UDP | CSUM_TSO);
922 if_sethwassistbits(ifp, CSUM_TCP_IPV6 | CSUM_UDP_IPV6, 0);
923
924 ha->stop_rcv = 0;
925 if (ql_init_hw_if(ha) == 0) {
926 ifp = ha->ifp;
927 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
928 ha->hw_vlan_tx_frames = 0;
929 ha->tx_tso_frames = 0;
930 ha->qla_interface_up = 1;
931 ql_update_link_state(ha);
932 } else {
933 if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE)
934 ha->hw.sp_log_stop = -1;
935 }
936
937 ha->qla_watchdog_pause = 0;
938
939 return;
940 }
941
942 static void
qla_init(void * arg)943 qla_init(void *arg)
944 {
945 qla_host_t *ha;
946
947 ha = (qla_host_t *)arg;
948
949 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
950
951 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
952 return;
953
954 qla_init_locked(ha);
955
956 QLA_UNLOCK(ha, __func__);
957
958 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
959 }
960
961 static u_int
qla_copy_maddr(void * arg,struct sockaddr_dl * sdl,u_int mcnt)962 qla_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt)
963 {
964 uint8_t *mta = arg;
965
966 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
967 return (0);
968
969 bcopy(LLADDR(sdl), &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
970
971 return (1);
972 }
973
974 static int
qla_set_multi(qla_host_t * ha,uint32_t add_multi)975 qla_set_multi(qla_host_t *ha, uint32_t add_multi)
976 {
977 uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
978 int mcnt = 0;
979 if_t ifp = ha->ifp;
980 int ret = 0;
981
982 mcnt = if_foreach_llmaddr(ifp, qla_copy_maddr, mta);
983
984 if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
985 QLA_LOCK_NO_SLEEP) != 0)
986 return (-1);
987
988 ql_sp_log(ha, 12, 4, if_getdrvflags(ifp),
989 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
990 add_multi, (uint32_t)mcnt, 0);
991
992 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
993 if (!add_multi) {
994 ret = qla_hw_del_all_mcast(ha);
995
996 if (ret)
997 device_printf(ha->pci_dev,
998 "%s: qla_hw_del_all_mcast() failed\n",
999 __func__);
1000 }
1001
1002 if (!ret)
1003 ret = ql_hw_set_multi(ha, mta, mcnt, 1);
1004 }
1005
1006 QLA_UNLOCK(ha, __func__);
1007
1008 return (ret);
1009 }
1010
1011 static int
qla_ioctl(if_t ifp,u_long cmd,caddr_t data)1012 qla_ioctl(if_t ifp, u_long cmd, caddr_t data)
1013 {
1014 int ret = 0;
1015 struct ifreq *ifr = (struct ifreq *)data;
1016 #ifdef INET
1017 struct ifaddr *ifa = (struct ifaddr *)data;
1018 #endif
1019 qla_host_t *ha;
1020
1021 ha = (qla_host_t *)if_getsoftc(ifp);
1022 if (ha->offline || ha->qla_initiate_recovery)
1023 return (ret);
1024
1025 switch (cmd) {
1026 case SIOCSIFADDR:
1027 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
1028 __func__, cmd));
1029
1030 #ifdef INET
1031 if (ifa->ifa_addr->sa_family == AF_INET) {
1032 ret = QLA_LOCK(ha, __func__,
1033 QLA_LOCK_DEFAULT_MS_TIMEOUT,
1034 QLA_LOCK_NO_SLEEP);
1035 if (ret)
1036 break;
1037
1038 if_setflagbits(ifp, IFF_UP, 0);
1039
1040 ql_sp_log(ha, 8, 3, if_getdrvflags(ifp),
1041 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1042 ntohl(IA_SIN(ifa)->sin_addr.s_addr), 0, 0);
1043
1044 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) {
1045 qla_init_locked(ha);
1046 }
1047
1048 QLA_UNLOCK(ha, __func__);
1049 QL_DPRINT4(ha, (ha->pci_dev,
1050 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
1051 __func__, cmd,
1052 ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
1053
1054 arp_ifinit(ifp, ifa);
1055 break;
1056 }
1057 #endif
1058 ether_ioctl(ifp, cmd, data);
1059 break;
1060
1061 case SIOCSIFMTU:
1062 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
1063 __func__, cmd));
1064
1065 if (ifr->ifr_mtu > QLA_MAX_MTU) {
1066 ret = EINVAL;
1067 } else {
1068 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1069 QLA_LOCK_NO_SLEEP);
1070
1071 if (ret)
1072 break;
1073
1074 if_setmtu(ifp, ifr->ifr_mtu);
1075 ha->max_frame_size =
1076 if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
1077
1078 ql_sp_log(ha, 9, 4, if_getdrvflags(ifp),
1079 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1080 ha->max_frame_size, if_getmtu(ifp), 0);
1081
1082 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
1083 qla_init_locked(ha);
1084 }
1085
1086 if (if_getmtu(ifp) > ETHERMTU)
1087 ha->std_replenish = QL_JUMBO_REPLENISH_THRES;
1088 else
1089 ha->std_replenish = QL_STD_REPLENISH_THRES;
1090
1091
1092 QLA_UNLOCK(ha, __func__);
1093 }
1094
1095 break;
1096
1097 case SIOCSIFFLAGS:
1098 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
1099 __func__, cmd));
1100
1101 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1102 QLA_LOCK_NO_SLEEP);
1103
1104 if (ret)
1105 break;
1106
1107 ql_sp_log(ha, 10, 4, if_getdrvflags(ifp),
1108 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1109 ha->if_flags, if_getflags(ifp), 0);
1110
1111 if (if_getflags(ifp) & IFF_UP) {
1112 ha->max_frame_size = if_getmtu(ifp) +
1113 ETHER_HDR_LEN + ETHER_CRC_LEN;
1114 qla_init_locked(ha);
1115
1116 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
1117 if ((if_getflags(ifp) ^ ha->if_flags) &
1118 IFF_PROMISC) {
1119 ret = ql_set_promisc(ha);
1120 } else if ((if_getflags(ifp) ^ ha->if_flags) &
1121 IFF_ALLMULTI) {
1122 ret = ql_set_allmulti(ha);
1123 }
1124 }
1125 } else {
1126 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING)
1127 qla_stop(ha);
1128 ha->if_flags = if_getflags(ifp);
1129 }
1130
1131 QLA_UNLOCK(ha, __func__);
1132 break;
1133
1134 case SIOCADDMULTI:
1135 QL_DPRINT4(ha, (ha->pci_dev,
1136 "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
1137
1138 if (qla_set_multi(ha, 1))
1139 ret = EINVAL;
1140 break;
1141
1142 case SIOCDELMULTI:
1143 QL_DPRINT4(ha, (ha->pci_dev,
1144 "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
1145
1146 if (qla_set_multi(ha, 0))
1147 ret = EINVAL;
1148 break;
1149
1150 case SIOCSIFMEDIA:
1151 case SIOCGIFMEDIA:
1152 QL_DPRINT4(ha, (ha->pci_dev,
1153 "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
1154 __func__, cmd));
1155 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
1156 break;
1157
1158 case SIOCSIFCAP:
1159 {
1160 int mask = ifr->ifr_reqcap ^ if_getcapenable(ifp);
1161
1162 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
1163 __func__, cmd));
1164
1165 if (mask & IFCAP_HWCSUM)
1166 if_togglecapenable(ifp, IFCAP_HWCSUM);
1167 if (mask & IFCAP_TSO4)
1168 if_togglecapenable(ifp, IFCAP_TSO4);
1169 if (mask & IFCAP_TSO6)
1170 if_togglecapenable(ifp, IFCAP_TSO6);
1171 if (mask & IFCAP_VLAN_HWTAGGING)
1172 if_togglecapenable(ifp, IFCAP_VLAN_HWTAGGING);
1173 if (mask & IFCAP_VLAN_HWTSO)
1174 if_togglecapenable(ifp, IFCAP_VLAN_HWTSO);
1175 if (mask & IFCAP_LRO)
1176 if_togglecapenable(ifp, IFCAP_LRO);
1177
1178 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
1179 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1180 QLA_LOCK_NO_SLEEP);
1181
1182 if (ret)
1183 break;
1184
1185 ql_sp_log(ha, 11, 4, if_getdrvflags(ifp),
1186 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1187 mask, if_getcapenable(ifp), 0);
1188
1189 qla_init_locked(ha);
1190
1191 QLA_UNLOCK(ha, __func__);
1192 }
1193 VLAN_CAPABILITIES(ifp);
1194 break;
1195 }
1196
1197 default:
1198 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n",
1199 __func__, cmd));
1200 ret = ether_ioctl(ifp, cmd, data);
1201 break;
1202 }
1203
1204 return (ret);
1205 }
1206
1207 static int
qla_media_change(if_t ifp)1208 qla_media_change(if_t ifp)
1209 {
1210 qla_host_t *ha;
1211 struct ifmedia *ifm;
1212 int ret = 0;
1213
1214 ha = (qla_host_t *)if_getsoftc(ifp);
1215
1216 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1217
1218 ifm = &ha->media;
1219
1220 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1221 ret = EINVAL;
1222
1223 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1224
1225 return (ret);
1226 }
1227
1228 static void
qla_media_status(if_t ifp,struct ifmediareq * ifmr)1229 qla_media_status(if_t ifp, struct ifmediareq *ifmr)
1230 {
1231 qla_host_t *ha;
1232
1233 ha = (qla_host_t *)if_getsoftc(ifp);
1234
1235 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1236
1237 ifmr->ifm_status = IFM_AVALID;
1238 ifmr->ifm_active = IFM_ETHER;
1239
1240 ql_update_link_state(ha);
1241 if (ha->hw.link_up) {
1242 ifmr->ifm_status |= IFM_ACTIVE;
1243 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha));
1244 }
1245
1246 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\
1247 (ha->hw.link_up ? "link_up" : "link_down")));
1248
1249 return;
1250 }
1251
1252 static int
qla_send(qla_host_t * ha,struct mbuf ** m_headp,uint32_t txr_idx,uint32_t iscsi_pdu)1253 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
1254 uint32_t iscsi_pdu)
1255 {
1256 bus_dma_segment_t segs[QLA_MAX_SEGMENTS];
1257 bus_dmamap_t map;
1258 int nsegs;
1259 int ret = -1;
1260 uint32_t tx_idx;
1261 struct mbuf *m_head = *m_headp;
1262
1263 QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__));
1264
1265 tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next;
1266
1267 if ((NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) ||
1268 (QL_ERR_INJECT(ha, INJCT_TXBUF_MBUF_NON_NULL))){
1269 QL_ASSERT(ha, 0, ("%s [%d]: txr_idx = %d tx_idx = %d "\
1270 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,\
1271 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head));
1272
1273 QL_DPRINT2(ha, (ha->pci_dev, "%s [%d]: txr_idx = %d tx_idx = %d "
1274 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,
1275 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head));
1276
1277 if (m_head)
1278 m_freem(m_head);
1279 *m_headp = NULL;
1280 QL_INITIATE_RECOVERY(ha);
1281 return (ret);
1282 }
1283
1284 map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
1285
1286 ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
1287 BUS_DMA_NOWAIT);
1288
1289 if (ret == EFBIG) {
1290 struct mbuf *m;
1291
1292 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
1293 m_head->m_pkthdr.len));
1294
1295 m = m_defrag(m_head, M_NOWAIT);
1296 if (m == NULL) {
1297 ha->err_tx_defrag++;
1298 m_freem(m_head);
1299 *m_headp = NULL;
1300 device_printf(ha->pci_dev,
1301 "%s: m_defrag() = NULL [%d]\n",
1302 __func__, ret);
1303 return (ENOBUFS);
1304 }
1305 m_head = m;
1306 *m_headp = m_head;
1307
1308 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
1309 segs, &nsegs, BUS_DMA_NOWAIT))) {
1310 ha->err_tx_dmamap_load++;
1311
1312 device_printf(ha->pci_dev,
1313 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
1314 __func__, ret, m_head->m_pkthdr.len);
1315
1316 if (ret != ENOMEM) {
1317 m_freem(m_head);
1318 *m_headp = NULL;
1319 }
1320 return (ret);
1321 }
1322
1323 } else if (ret) {
1324 ha->err_tx_dmamap_load++;
1325
1326 device_printf(ha->pci_dev,
1327 "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
1328 __func__, ret, m_head->m_pkthdr.len);
1329
1330 if (ret != ENOMEM) {
1331 m_freem(m_head);
1332 *m_headp = NULL;
1333 }
1334 return (ret);
1335 }
1336
1337 QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet"));
1338
1339 bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
1340
1341 if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx,
1342 iscsi_pdu))) {
1343 ha->tx_ring[txr_idx].count++;
1344 if (iscsi_pdu)
1345 ha->tx_ring[txr_idx].iscsi_pkt_count++;
1346 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
1347 } else {
1348 bus_dmamap_unload(ha->tx_tag, map);
1349 if (ret == EINVAL) {
1350 if (m_head)
1351 m_freem(m_head);
1352 *m_headp = NULL;
1353 }
1354 }
1355
1356 QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__));
1357 return (ret);
1358 }
1359
1360 static int
qla_alloc_tx_br(qla_host_t * ha,qla_tx_fp_t * fp)1361 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1362 {
1363 snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
1364 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx);
1365
1366 mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
1367
1368 fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF,
1369 M_NOWAIT, &fp->tx_mtx);
1370 if (fp->tx_br == NULL) {
1371 QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for "
1372 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx));
1373 return (-ENOMEM);
1374 }
1375 return 0;
1376 }
1377
1378 static void
qla_free_tx_br(qla_host_t * ha,qla_tx_fp_t * fp)1379 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1380 {
1381 struct mbuf *mp;
1382 if_t ifp = ha->ifp;
1383
1384 if (mtx_initialized(&fp->tx_mtx)) {
1385 if (fp->tx_br != NULL) {
1386 mtx_lock(&fp->tx_mtx);
1387
1388 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1389 m_freem(mp);
1390 }
1391
1392 mtx_unlock(&fp->tx_mtx);
1393
1394 buf_ring_free(fp->tx_br, M_DEVBUF);
1395 fp->tx_br = NULL;
1396 }
1397 mtx_destroy(&fp->tx_mtx);
1398 }
1399 return;
1400 }
1401
1402 static void
qla_fp_taskqueue(void * context,int pending)1403 qla_fp_taskqueue(void *context, int pending)
1404 {
1405 qla_tx_fp_t *fp;
1406 qla_host_t *ha;
1407 if_t ifp;
1408 struct mbuf *mp = NULL;
1409 int ret = 0;
1410 uint32_t txr_idx;
1411 uint32_t iscsi_pdu = 0;
1412 uint32_t rx_pkts_left = -1;
1413
1414 fp = context;
1415
1416 if (fp == NULL)
1417 return;
1418
1419 ha = (qla_host_t *)fp->ha;
1420
1421 ifp = ha->ifp;
1422
1423 txr_idx = fp->txr_idx;
1424
1425 mtx_lock(&fp->tx_mtx);
1426
1427 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING) || (!ha->hw.link_up)) {
1428 mtx_unlock(&fp->tx_mtx);
1429 goto qla_fp_taskqueue_exit;
1430 }
1431
1432 while (rx_pkts_left && !ha->stop_rcv &&
1433 (if_getdrvflags(ifp) & IFF_DRV_RUNNING) && ha->hw.link_up) {
1434 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64);
1435
1436 #ifdef QL_ENABLE_ISCSI_TLV
1437 ql_hw_tx_done_locked(ha, fp->txr_idx);
1438 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1)));
1439 #else
1440 ql_hw_tx_done_locked(ha, fp->txr_idx);
1441 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1442
1443 mp = drbr_peek(ifp, fp->tx_br);
1444
1445 while (mp != NULL) {
1446 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) {
1447 #ifdef QL_ENABLE_ISCSI_TLV
1448 if (ql_iscsi_pdu(ha, mp) == 0) {
1449 txr_idx = txr_idx +
1450 (ha->hw.num_tx_rings >> 1);
1451 iscsi_pdu = 1;
1452 } else {
1453 iscsi_pdu = 0;
1454 txr_idx = fp->txr_idx;
1455 }
1456 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1457 }
1458
1459 ret = qla_send(ha, &mp, txr_idx, iscsi_pdu);
1460
1461 if (ret) {
1462 if (mp != NULL)
1463 drbr_putback(ifp, fp->tx_br, mp);
1464 else {
1465 drbr_advance(ifp, fp->tx_br);
1466 }
1467
1468 mtx_unlock(&fp->tx_mtx);
1469
1470 goto qla_fp_taskqueue_exit0;
1471 } else {
1472 drbr_advance(ifp, fp->tx_br);
1473 }
1474
1475 /* Send a copy of the frame to the BPF listener */
1476 ETHER_BPF_MTAP(ifp, mp);
1477
1478 if (((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) ||
1479 (!ha->hw.link_up))
1480 break;
1481
1482 mp = drbr_peek(ifp, fp->tx_br);
1483 }
1484 }
1485 mtx_unlock(&fp->tx_mtx);
1486
1487 if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0)
1488 goto qla_fp_taskqueue_exit;
1489
1490 qla_fp_taskqueue_exit0:
1491
1492 if (rx_pkts_left || ((mp != NULL) && ret)) {
1493 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1494 } else {
1495 if (!ha->stop_rcv) {
1496 QL_ENABLE_INTERRUPTS(ha, fp->txr_idx);
1497 }
1498 }
1499
1500 qla_fp_taskqueue_exit:
1501
1502 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1503 return;
1504 }
1505
1506 static int
qla_create_fp_taskqueues(qla_host_t * ha)1507 qla_create_fp_taskqueues(qla_host_t *ha)
1508 {
1509 int i;
1510 uint8_t tq_name[32];
1511
1512 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1513 qla_tx_fp_t *fp = &ha->tx_fp[i];
1514
1515 bzero(tq_name, sizeof (tq_name));
1516 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
1517
1518 NET_TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp);
1519
1520 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT,
1521 taskqueue_thread_enqueue,
1522 &fp->fp_taskqueue);
1523
1524 if (fp->fp_taskqueue == NULL)
1525 return (-1);
1526
1527 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
1528 tq_name);
1529
1530 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__,
1531 fp->fp_taskqueue));
1532 }
1533
1534 return (0);
1535 }
1536
1537 static void
qla_destroy_fp_taskqueues(qla_host_t * ha)1538 qla_destroy_fp_taskqueues(qla_host_t *ha)
1539 {
1540 int i;
1541
1542 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1543 qla_tx_fp_t *fp = &ha->tx_fp[i];
1544
1545 if (fp->fp_taskqueue != NULL) {
1546 taskqueue_drain_all(fp->fp_taskqueue);
1547 taskqueue_free(fp->fp_taskqueue);
1548 fp->fp_taskqueue = NULL;
1549 }
1550 }
1551 return;
1552 }
1553
1554 static void
qla_drain_fp_taskqueues(qla_host_t * ha)1555 qla_drain_fp_taskqueues(qla_host_t *ha)
1556 {
1557 int i;
1558
1559 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1560 qla_tx_fp_t *fp = &ha->tx_fp[i];
1561
1562 if (fp->fp_taskqueue != NULL) {
1563 taskqueue_drain_all(fp->fp_taskqueue);
1564 }
1565 }
1566 return;
1567 }
1568
1569 static int
qla_transmit(if_t ifp,struct mbuf * mp)1570 qla_transmit(if_t ifp, struct mbuf *mp)
1571 {
1572 qla_host_t *ha = (qla_host_t *)if_getsoftc(ifp);
1573 qla_tx_fp_t *fp;
1574 int rss_id = 0;
1575 int ret = 0;
1576
1577 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1578
1579 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
1580 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) %
1581 ha->hw.num_sds_rings;
1582 fp = &ha->tx_fp[rss_id];
1583
1584 if (fp->tx_br == NULL) {
1585 ret = EINVAL;
1586 goto qla_transmit_exit;
1587 }
1588
1589 if (mp != NULL) {
1590 ret = drbr_enqueue(ifp, fp->tx_br, mp);
1591 }
1592
1593 if (fp->fp_taskqueue != NULL)
1594 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1595
1596 ret = 0;
1597
1598 qla_transmit_exit:
1599
1600 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1601 return ret;
1602 }
1603
1604 static void
qla_qflush(if_t ifp)1605 qla_qflush(if_t ifp)
1606 {
1607 int i;
1608 qla_tx_fp_t *fp;
1609 struct mbuf *mp;
1610 qla_host_t *ha;
1611
1612 ha = (qla_host_t *)if_getsoftc(ifp);
1613
1614 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1615
1616 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1617 fp = &ha->tx_fp[i];
1618
1619 if (fp == NULL)
1620 continue;
1621
1622 if (fp->tx_br) {
1623 mtx_lock(&fp->tx_mtx);
1624
1625 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1626 m_freem(mp);
1627 }
1628 mtx_unlock(&fp->tx_mtx);
1629 }
1630 }
1631 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1632
1633 return;
1634 }
1635
1636 static void
qla_stop(qla_host_t * ha)1637 qla_stop(qla_host_t *ha)
1638 {
1639 if_t ifp = ha->ifp;
1640 int i = 0;
1641
1642 ql_sp_log(ha, 13, 0, 0, 0, 0, 0, 0);
1643
1644 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
1645 ha->qla_watchdog_pause = 1;
1646
1647 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1648 qla_tx_fp_t *fp;
1649
1650 fp = &ha->tx_fp[i];
1651
1652 if (fp == NULL)
1653 continue;
1654
1655 if (fp->tx_br != NULL) {
1656 mtx_lock(&fp->tx_mtx);
1657 mtx_unlock(&fp->tx_mtx);
1658 }
1659 }
1660
1661 while (!ha->qla_watchdog_paused)
1662 qla_mdelay(__func__, 1);
1663
1664 ha->qla_interface_up = 0;
1665
1666 qla_drain_fp_taskqueues(ha);
1667
1668 ql_del_hw_if(ha);
1669
1670 qla_free_xmt_bufs(ha);
1671 qla_free_rcv_bufs(ha);
1672
1673 return;
1674 }
1675
1676 /*
1677 * Buffer Management Functions for Transmit and Receive Rings
1678 */
1679 static int
qla_alloc_xmt_bufs(qla_host_t * ha)1680 qla_alloc_xmt_bufs(qla_host_t *ha)
1681 {
1682 int ret = 0;
1683 uint32_t i, j;
1684 qla_tx_buf_t *txb;
1685
1686 if (bus_dma_tag_create(NULL, /* parent */
1687 1, 0, /* alignment, bounds */
1688 BUS_SPACE_MAXADDR, /* lowaddr */
1689 BUS_SPACE_MAXADDR, /* highaddr */
1690 NULL, NULL, /* filter, filterarg */
1691 QLA_MAX_TSO_FRAME_SIZE, /* maxsize */
1692 QLA_MAX_SEGMENTS, /* nsegments */
1693 PAGE_SIZE, /* maxsegsize */
1694 BUS_DMA_ALLOCNOW, /* flags */
1695 NULL, /* lockfunc */
1696 NULL, /* lockfuncarg */
1697 &ha->tx_tag)) {
1698 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n",
1699 __func__);
1700 return (ENOMEM);
1701 }
1702
1703 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1704 bzero((void *)ha->tx_ring[i].tx_buf,
1705 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1706 }
1707
1708 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1709 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) {
1710 txb = &ha->tx_ring[j].tx_buf[i];
1711
1712 if ((ret = bus_dmamap_create(ha->tx_tag,
1713 BUS_DMA_NOWAIT, &txb->map))) {
1714 ha->err_tx_dmamap_create++;
1715 device_printf(ha->pci_dev,
1716 "%s: bus_dmamap_create failed[%d]\n",
1717 __func__, ret);
1718
1719 qla_free_xmt_bufs(ha);
1720
1721 return (ret);
1722 }
1723 }
1724 }
1725
1726 return 0;
1727 }
1728
1729 /*
1730 * Release mbuf after it sent on the wire
1731 */
1732 static void
qla_clear_tx_buf(qla_host_t * ha,qla_tx_buf_t * txb)1733 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
1734 {
1735 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1736
1737 if (txb->m_head) {
1738 bus_dmamap_sync(ha->tx_tag, txb->map,
1739 BUS_DMASYNC_POSTWRITE);
1740
1741 bus_dmamap_unload(ha->tx_tag, txb->map);
1742
1743 m_freem(txb->m_head);
1744 txb->m_head = NULL;
1745
1746 bus_dmamap_destroy(ha->tx_tag, txb->map);
1747 txb->map = NULL;
1748 }
1749
1750 if (txb->map) {
1751 bus_dmamap_unload(ha->tx_tag, txb->map);
1752 bus_dmamap_destroy(ha->tx_tag, txb->map);
1753 txb->map = NULL;
1754 }
1755
1756 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1757 }
1758
1759 static void
qla_free_xmt_bufs(qla_host_t * ha)1760 qla_free_xmt_bufs(qla_host_t *ha)
1761 {
1762 int i, j;
1763
1764 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1765 for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
1766 qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
1767 }
1768
1769 if (ha->tx_tag != NULL) {
1770 bus_dma_tag_destroy(ha->tx_tag);
1771 ha->tx_tag = NULL;
1772 }
1773
1774 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1775 bzero((void *)ha->tx_ring[i].tx_buf,
1776 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1777 }
1778 return;
1779 }
1780
1781 static int
qla_alloc_rcv_std(qla_host_t * ha)1782 qla_alloc_rcv_std(qla_host_t *ha)
1783 {
1784 int i, j, k, r, ret = 0;
1785 qla_rx_buf_t *rxb;
1786 qla_rx_ring_t *rx_ring;
1787
1788 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1789 rx_ring = &ha->rx_ring[r];
1790
1791 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1792 rxb = &rx_ring->rx_buf[i];
1793
1794 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT,
1795 &rxb->map);
1796
1797 if (ret) {
1798 device_printf(ha->pci_dev,
1799 "%s: dmamap[%d, %d] failed\n",
1800 __func__, r, i);
1801
1802 for (k = 0; k < r; k++) {
1803 for (j = 0; j < NUM_RX_DESCRIPTORS;
1804 j++) {
1805 rxb = &ha->rx_ring[k].rx_buf[j];
1806 bus_dmamap_destroy(ha->rx_tag,
1807 rxb->map);
1808 }
1809 }
1810
1811 for (j = 0; j < i; j++) {
1812 bus_dmamap_destroy(ha->rx_tag,
1813 rx_ring->rx_buf[j].map);
1814 }
1815 goto qla_alloc_rcv_std_err;
1816 }
1817 }
1818 }
1819
1820 qla_init_hw_rcv_descriptors(ha);
1821
1822 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1823 rx_ring = &ha->rx_ring[r];
1824
1825 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1826 rxb = &rx_ring->rx_buf[i];
1827 rxb->handle = i;
1828 if (!(ret = ql_get_mbuf(ha, rxb, NULL))) {
1829 /*
1830 * set the physical address in the
1831 * corresponding descriptor entry in the
1832 * receive ring/queue for the hba
1833 */
1834 qla_set_hw_rcv_desc(ha, r, i, rxb->handle,
1835 rxb->paddr,
1836 (rxb->m_head)->m_pkthdr.len);
1837 } else {
1838 device_printf(ha->pci_dev,
1839 "%s: ql_get_mbuf [%d, %d] failed\n",
1840 __func__, r, i);
1841 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1842 goto qla_alloc_rcv_std_err;
1843 }
1844 }
1845 }
1846 return 0;
1847
1848 qla_alloc_rcv_std_err:
1849 return (-1);
1850 }
1851
1852 static void
qla_free_rcv_std(qla_host_t * ha)1853 qla_free_rcv_std(qla_host_t *ha)
1854 {
1855 int i, r;
1856 qla_rx_buf_t *rxb;
1857
1858 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1859 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1860 rxb = &ha->rx_ring[r].rx_buf[i];
1861 if (rxb->m_head != NULL) {
1862 bus_dmamap_unload(ha->rx_tag, rxb->map);
1863 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1864 m_freem(rxb->m_head);
1865 rxb->m_head = NULL;
1866 }
1867 }
1868 }
1869 return;
1870 }
1871
1872 static int
qla_alloc_rcv_bufs(qla_host_t * ha)1873 qla_alloc_rcv_bufs(qla_host_t *ha)
1874 {
1875 int i, ret = 0;
1876
1877 if (bus_dma_tag_create(NULL, /* parent */
1878 1, 0, /* alignment, bounds */
1879 BUS_SPACE_MAXADDR, /* lowaddr */
1880 BUS_SPACE_MAXADDR, /* highaddr */
1881 NULL, NULL, /* filter, filterarg */
1882 MJUM9BYTES, /* maxsize */
1883 1, /* nsegments */
1884 MJUM9BYTES, /* maxsegsize */
1885 BUS_DMA_ALLOCNOW, /* flags */
1886 NULL, /* lockfunc */
1887 NULL, /* lockfuncarg */
1888 &ha->rx_tag)) {
1889 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n",
1890 __func__);
1891
1892 return (ENOMEM);
1893 }
1894
1895 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1896
1897 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1898 ha->hw.sds[i].sdsr_next = 0;
1899 ha->hw.sds[i].rxb_free = NULL;
1900 ha->hw.sds[i].rx_free = 0;
1901 }
1902
1903 ret = qla_alloc_rcv_std(ha);
1904
1905 return (ret);
1906 }
1907
1908 static void
qla_free_rcv_bufs(qla_host_t * ha)1909 qla_free_rcv_bufs(qla_host_t *ha)
1910 {
1911 int i;
1912
1913 qla_free_rcv_std(ha);
1914
1915 if (ha->rx_tag != NULL) {
1916 bus_dma_tag_destroy(ha->rx_tag);
1917 ha->rx_tag = NULL;
1918 }
1919
1920 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1921
1922 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1923 ha->hw.sds[i].sdsr_next = 0;
1924 ha->hw.sds[i].rxb_free = NULL;
1925 ha->hw.sds[i].rx_free = 0;
1926 }
1927
1928 return;
1929 }
1930
1931 int
ql_get_mbuf(qla_host_t * ha,qla_rx_buf_t * rxb,struct mbuf * nmp)1932 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
1933 {
1934 register struct mbuf *mp = nmp;
1935 int ret = 0;
1936 uint32_t offset;
1937 bus_dma_segment_t segs[1];
1938 int nsegs, mbuf_size;
1939
1940 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1941
1942 if (ha->hw.enable_9kb)
1943 mbuf_size = MJUM9BYTES;
1944 else
1945 mbuf_size = MCLBYTES;
1946
1947 if (mp == NULL) {
1948 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE))
1949 return(-1);
1950
1951 if (ha->hw.enable_9kb)
1952 mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size);
1953 else
1954 mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1955
1956 if (mp == NULL) {
1957 ha->err_m_getcl++;
1958 ret = ENOBUFS;
1959 device_printf(ha->pci_dev,
1960 "%s: m_getcl failed\n", __func__);
1961 goto exit_ql_get_mbuf;
1962 }
1963 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1964 } else {
1965 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1966 mp->m_data = mp->m_ext.ext_buf;
1967 mp->m_next = NULL;
1968 }
1969
1970 offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
1971 if (offset) {
1972 offset = 8 - offset;
1973 m_adj(mp, offset);
1974 }
1975
1976 /*
1977 * Using memory from the mbuf cluster pool, invoke the bus_dma
1978 * machinery to arrange the memory mapping.
1979 */
1980 ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
1981 mp, segs, &nsegs, BUS_DMA_NOWAIT);
1982 rxb->paddr = segs[0].ds_addr;
1983
1984 if (ret || !rxb->paddr || (nsegs != 1)) {
1985 m_free(mp);
1986 rxb->m_head = NULL;
1987 device_printf(ha->pci_dev,
1988 "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
1989 __func__, ret, (long long unsigned int)rxb->paddr,
1990 nsegs);
1991 ret = -1;
1992 goto exit_ql_get_mbuf;
1993 }
1994 rxb->m_head = mp;
1995 bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
1996
1997 exit_ql_get_mbuf:
1998 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
1999 return (ret);
2000 }
2001
2002 static void
qla_get_peer(qla_host_t * ha)2003 qla_get_peer(qla_host_t *ha)
2004 {
2005 device_t *peers;
2006 int count, i, slot;
2007 int my_slot = pci_get_slot(ha->pci_dev);
2008
2009 if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count))
2010 return;
2011
2012 for (i = 0; i < count; i++) {
2013 slot = pci_get_slot(peers[i]);
2014
2015 if ((slot >= 0) && (slot == my_slot) &&
2016 (pci_get_device(peers[i]) ==
2017 pci_get_device(ha->pci_dev))) {
2018 if (ha->pci_dev != peers[i])
2019 ha->peer_dev = peers[i];
2020 }
2021 }
2022 }
2023
2024 static void
qla_send_msg_to_peer(qla_host_t * ha,uint32_t msg_to_peer)2025 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer)
2026 {
2027 qla_host_t *ha_peer;
2028
2029 if (ha->peer_dev) {
2030 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) {
2031 ha_peer->msg_from_peer = msg_to_peer;
2032 }
2033 }
2034 }
2035
2036 void
qla_set_error_recovery(qla_host_t * ha)2037 qla_set_error_recovery(qla_host_t *ha)
2038 {
2039 if_t ifp = ha->ifp;
2040
2041 if (!cold && ha->enable_error_recovery) {
2042 if (ifp)
2043 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
2044 ha->qla_initiate_recovery = 1;
2045 } else
2046 ha->offline = 1;
2047 return;
2048 }
2049
2050 static void
qla_error_recovery(void * context,int pending)2051 qla_error_recovery(void *context, int pending)
2052 {
2053 qla_host_t *ha = context;
2054 uint32_t msecs_100 = 400;
2055 if_t ifp = ha->ifp;
2056 int i = 0;
2057
2058 device_printf(ha->pci_dev, "%s: enter\n", __func__);
2059 ha->hw.imd_compl = 1;
2060
2061 taskqueue_drain_all(ha->stats_tq);
2062 taskqueue_drain_all(ha->async_event_tq);
2063
2064 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2065 return;
2066
2067 device_printf(ha->pci_dev, "%s: ts_usecs = %ld start\n",
2068 __func__, qla_get_usec_timestamp());
2069
2070 if (ha->qla_interface_up) {
2071 qla_mdelay(__func__, 300);
2072
2073
2074
2075 for (i = 0; i < ha->hw.num_sds_rings; i++) {
2076 qla_tx_fp_t *fp;
2077
2078 fp = &ha->tx_fp[i];
2079
2080 if (fp == NULL)
2081 continue;
2082
2083 if (fp->tx_br != NULL) {
2084 mtx_lock(&fp->tx_mtx);
2085 mtx_unlock(&fp->tx_mtx);
2086 }
2087 }
2088 }
2089
2090 qla_drain_fp_taskqueues(ha);
2091
2092 if ((ha->pci_func & 0x1) == 0) {
2093 if (!ha->msg_from_peer) {
2094 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2095
2096 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) &&
2097 msecs_100--)
2098 qla_mdelay(__func__, 100);
2099 }
2100
2101 ha->msg_from_peer = 0;
2102
2103 if (ha->enable_minidump)
2104 ql_minidump(ha);
2105
2106 if (ha->enable_driverstate_dump)
2107 ql_capture_drvr_state(ha);
2108
2109 if (ql_init_hw(ha)) {
2110 device_printf(ha->pci_dev,
2111 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2112 __func__, qla_get_usec_timestamp());
2113 ha->offline = 1;
2114 goto qla_error_recovery_exit;
2115 }
2116
2117 if (ha->qla_interface_up) {
2118 qla_free_xmt_bufs(ha);
2119 qla_free_rcv_bufs(ha);
2120 }
2121
2122 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2123 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2124
2125 } else {
2126 if (ha->msg_from_peer == QL_PEER_MSG_RESET) {
2127 ha->msg_from_peer = 0;
2128
2129 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2130 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2131 } else {
2132 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2133 }
2134
2135 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && msecs_100--)
2136 qla_mdelay(__func__, 100);
2137 ha->msg_from_peer = 0;
2138
2139 if (ha->enable_driverstate_dump)
2140 ql_capture_drvr_state(ha);
2141
2142 if (msecs_100 == 0) {
2143 device_printf(ha->pci_dev,
2144 "%s: ts_usecs = %ld exit: QL_PEER_MSG_ACK not received\n",
2145 __func__, qla_get_usec_timestamp());
2146 ha->offline = 1;
2147 goto qla_error_recovery_exit;
2148 }
2149
2150 if (ql_init_hw(ha)) {
2151 device_printf(ha->pci_dev,
2152 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2153 __func__, qla_get_usec_timestamp());
2154 ha->offline = 1;
2155 goto qla_error_recovery_exit;
2156 }
2157
2158 if (ha->qla_interface_up) {
2159 qla_free_xmt_bufs(ha);
2160 qla_free_rcv_bufs(ha);
2161 }
2162 }
2163
2164 qla_mdelay(__func__, ha->ms_delay_after_init);
2165
2166 *((uint32_t *)&ha->hw.flags) = 0;
2167 ha->qla_initiate_recovery = 0;
2168
2169 if (ha->qla_interface_up) {
2170 if (qla_alloc_xmt_bufs(ha) != 0) {
2171 ha->offline = 1;
2172 goto qla_error_recovery_exit;
2173 }
2174
2175 qla_confirm_9kb_enable(ha);
2176
2177 if (qla_alloc_rcv_bufs(ha) != 0) {
2178 ha->offline = 1;
2179 goto qla_error_recovery_exit;
2180 }
2181
2182 ha->stop_rcv = 0;
2183
2184 if (ql_init_hw_if(ha) == 0) {
2185 ifp = ha->ifp;
2186 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
2187 ha->qla_watchdog_pause = 0;
2188 ql_update_link_state(ha);
2189 } else {
2190 ha->offline = 1;
2191
2192 if (ha->hw.sp_log_stop_events &
2193 Q8_SP_LOG_STOP_IF_START_FAILURE)
2194 ha->hw.sp_log_stop = -1;
2195 }
2196 } else {
2197 ha->qla_watchdog_pause = 0;
2198 }
2199
2200 qla_error_recovery_exit:
2201
2202 if (ha->offline ) {
2203 device_printf(ha->pci_dev, "%s: ts_usecs = %ld port offline\n",
2204 __func__, qla_get_usec_timestamp());
2205 if (ha->hw.sp_log_stop_events &
2206 Q8_SP_LOG_STOP_ERR_RECOVERY_FAILURE)
2207 ha->hw.sp_log_stop = -1;
2208 }
2209
2210 QLA_UNLOCK(ha, __func__);
2211
2212 if (!ha->offline)
2213 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
2214 qla_watchdog, ha);
2215
2216 device_printf(ha->pci_dev,
2217 "%s: ts_usecs = %ld exit\n",
2218 __func__, qla_get_usec_timestamp());
2219 return;
2220 }
2221
2222 static void
qla_async_event(void * context,int pending)2223 qla_async_event(void *context, int pending)
2224 {
2225 qla_host_t *ha = context;
2226
2227 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2228 return;
2229
2230 if (ha->async_event) {
2231 ha->async_event = 0;
2232 qla_hw_async_event(ha);
2233 }
2234
2235 QLA_UNLOCK(ha, __func__);
2236
2237 return;
2238 }
2239
2240 static void
qla_stats(void * context,int pending)2241 qla_stats(void *context, int pending)
2242 {
2243 qla_host_t *ha;
2244
2245 ha = context;
2246
2247 ql_get_stats(ha);
2248
2249 return;
2250 }
2251