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
856 if (ifp == NULL)
857 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
858
859 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
860
861 if_setbaudrate(ifp, IF_Gbps(10));
862 if_setcapabilities(ifp, IFCAP_LINKSTATE);
863 if_setmtu(ifp, ETHERMTU);
864
865 if_setinitfn(ifp, qla_init);
866 if_setsoftc(ifp, ha);
867 if_setflags(ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
868 if_setioctlfn(ifp, qla_ioctl);
869
870 if_settransmitfn(ifp, qla_transmit);
871 if_setqflushfn(ifp, qla_qflush);
872
873 if_setsendqlen(ifp, qla_get_ifq_snd_maxlen(ha));
874 if_setsendqready(ifp);
875
876 ha->max_frame_size = if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
877
878 ether_ifattach(ifp, qla_get_mac_addr(ha));
879
880 if_setcapabilitiesbit(ifp, IFCAP_HWCSUM |
881 IFCAP_TSO4 |
882 IFCAP_TSO6 |
883 IFCAP_JUMBO_MTU |
884 IFCAP_VLAN_HWTAGGING |
885 IFCAP_VLAN_MTU |
886 IFCAP_VLAN_HWTSO |
887 IFCAP_LRO, 0);
888
889 if_setcapenable(ifp, if_getcapabilities(ifp));
890
891 if_setifheaderlen(ifp, sizeof(struct ether_vlan_header));
892
893 ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status);
894
895 ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0,
896 NULL);
897 ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
898
899 ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
900
901 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
902
903 return;
904 }
905
906 static void
qla_init_locked(qla_host_t * ha)907 qla_init_locked(qla_host_t *ha)
908 {
909 if_t ifp = ha->ifp;
910
911 ql_sp_log(ha, 14, 0, 0, 0, 0, 0, 0);
912
913 qla_stop(ha);
914
915 if (qla_alloc_xmt_bufs(ha) != 0)
916 return;
917
918 qla_confirm_9kb_enable(ha);
919
920 if (qla_alloc_rcv_bufs(ha) != 0)
921 return;
922
923 bcopy(if_getlladdr(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN);
924
925 if_sethwassist(ifp, CSUM_TCP | CSUM_UDP | CSUM_TSO);
926 if_sethwassistbits(ifp, CSUM_TCP_IPV6 | CSUM_UDP_IPV6, 0);
927
928 ha->stop_rcv = 0;
929 if (ql_init_hw_if(ha) == 0) {
930 ifp = ha->ifp;
931 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
932 ha->hw_vlan_tx_frames = 0;
933 ha->tx_tso_frames = 0;
934 ha->qla_interface_up = 1;
935 ql_update_link_state(ha);
936 } else {
937 if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE)
938 ha->hw.sp_log_stop = -1;
939 }
940
941 ha->qla_watchdog_pause = 0;
942
943 return;
944 }
945
946 static void
qla_init(void * arg)947 qla_init(void *arg)
948 {
949 qla_host_t *ha;
950
951 ha = (qla_host_t *)arg;
952
953 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
954
955 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
956 return;
957
958 qla_init_locked(ha);
959
960 QLA_UNLOCK(ha, __func__);
961
962 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
963 }
964
965 static u_int
qla_copy_maddr(void * arg,struct sockaddr_dl * sdl,u_int mcnt)966 qla_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt)
967 {
968 uint8_t *mta = arg;
969
970 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
971 return (0);
972
973 bcopy(LLADDR(sdl), &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
974
975 return (1);
976 }
977
978 static int
qla_set_multi(qla_host_t * ha,uint32_t add_multi)979 qla_set_multi(qla_host_t *ha, uint32_t add_multi)
980 {
981 uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
982 int mcnt = 0;
983 if_t ifp = ha->ifp;
984 int ret = 0;
985
986 mcnt = if_foreach_llmaddr(ifp, qla_copy_maddr, mta);
987
988 if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
989 QLA_LOCK_NO_SLEEP) != 0)
990 return (-1);
991
992 ql_sp_log(ha, 12, 4, if_getdrvflags(ifp),
993 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
994 add_multi, (uint32_t)mcnt, 0);
995
996 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
997 if (!add_multi) {
998 ret = qla_hw_del_all_mcast(ha);
999
1000 if (ret)
1001 device_printf(ha->pci_dev,
1002 "%s: qla_hw_del_all_mcast() failed\n",
1003 __func__);
1004 }
1005
1006 if (!ret)
1007 ret = ql_hw_set_multi(ha, mta, mcnt, 1);
1008 }
1009
1010 QLA_UNLOCK(ha, __func__);
1011
1012 return (ret);
1013 }
1014
1015 static int
qla_ioctl(if_t ifp,u_long cmd,caddr_t data)1016 qla_ioctl(if_t ifp, u_long cmd, caddr_t data)
1017 {
1018 int ret = 0;
1019 struct ifreq *ifr = (struct ifreq *)data;
1020 #ifdef INET
1021 struct ifaddr *ifa = (struct ifaddr *)data;
1022 #endif
1023 qla_host_t *ha;
1024
1025 ha = (qla_host_t *)if_getsoftc(ifp);
1026 if (ha->offline || ha->qla_initiate_recovery)
1027 return (ret);
1028
1029 switch (cmd) {
1030 case SIOCSIFADDR:
1031 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
1032 __func__, cmd));
1033
1034 #ifdef INET
1035 if (ifa->ifa_addr->sa_family == AF_INET) {
1036 ret = QLA_LOCK(ha, __func__,
1037 QLA_LOCK_DEFAULT_MS_TIMEOUT,
1038 QLA_LOCK_NO_SLEEP);
1039 if (ret)
1040 break;
1041
1042 if_setflagbits(ifp, IFF_UP, 0);
1043
1044 ql_sp_log(ha, 8, 3, if_getdrvflags(ifp),
1045 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1046 ntohl(IA_SIN(ifa)->sin_addr.s_addr), 0, 0);
1047
1048 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) {
1049 qla_init_locked(ha);
1050 }
1051
1052 QLA_UNLOCK(ha, __func__);
1053 QL_DPRINT4(ha, (ha->pci_dev,
1054 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
1055 __func__, cmd,
1056 ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
1057
1058 arp_ifinit(ifp, ifa);
1059 break;
1060 }
1061 #endif
1062 ether_ioctl(ifp, cmd, data);
1063 break;
1064
1065 case SIOCSIFMTU:
1066 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
1067 __func__, cmd));
1068
1069 if (ifr->ifr_mtu > QLA_MAX_MTU) {
1070 ret = EINVAL;
1071 } else {
1072 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1073 QLA_LOCK_NO_SLEEP);
1074
1075 if (ret)
1076 break;
1077
1078 if_setmtu(ifp, ifr->ifr_mtu);
1079 ha->max_frame_size =
1080 if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN;
1081
1082 ql_sp_log(ha, 9, 4, if_getdrvflags(ifp),
1083 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1084 ha->max_frame_size, if_getmtu(ifp), 0);
1085
1086 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
1087 qla_init_locked(ha);
1088 }
1089
1090 if (if_getmtu(ifp) > ETHERMTU)
1091 ha->std_replenish = QL_JUMBO_REPLENISH_THRES;
1092 else
1093 ha->std_replenish = QL_STD_REPLENISH_THRES;
1094
1095
1096 QLA_UNLOCK(ha, __func__);
1097 }
1098
1099 break;
1100
1101 case SIOCSIFFLAGS:
1102 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
1103 __func__, cmd));
1104
1105 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1106 QLA_LOCK_NO_SLEEP);
1107
1108 if (ret)
1109 break;
1110
1111 ql_sp_log(ha, 10, 4, if_getdrvflags(ifp),
1112 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1113 ha->if_flags, if_getflags(ifp), 0);
1114
1115 if (if_getflags(ifp) & IFF_UP) {
1116 ha->max_frame_size = if_getmtu(ifp) +
1117 ETHER_HDR_LEN + ETHER_CRC_LEN;
1118 qla_init_locked(ha);
1119
1120 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
1121 if ((if_getflags(ifp) ^ ha->if_flags) &
1122 IFF_PROMISC) {
1123 ret = ql_set_promisc(ha);
1124 } else if ((if_getflags(ifp) ^ ha->if_flags) &
1125 IFF_ALLMULTI) {
1126 ret = ql_set_allmulti(ha);
1127 }
1128 }
1129 } else {
1130 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING)
1131 qla_stop(ha);
1132 ha->if_flags = if_getflags(ifp);
1133 }
1134
1135 QLA_UNLOCK(ha, __func__);
1136 break;
1137
1138 case SIOCADDMULTI:
1139 QL_DPRINT4(ha, (ha->pci_dev,
1140 "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
1141
1142 if (qla_set_multi(ha, 1))
1143 ret = EINVAL;
1144 break;
1145
1146 case SIOCDELMULTI:
1147 QL_DPRINT4(ha, (ha->pci_dev,
1148 "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
1149
1150 if (qla_set_multi(ha, 0))
1151 ret = EINVAL;
1152 break;
1153
1154 case SIOCSIFMEDIA:
1155 case SIOCGIFMEDIA:
1156 QL_DPRINT4(ha, (ha->pci_dev,
1157 "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
1158 __func__, cmd));
1159 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
1160 break;
1161
1162 case SIOCSIFCAP:
1163 {
1164 int mask = ifr->ifr_reqcap ^ if_getcapenable(ifp);
1165
1166 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
1167 __func__, cmd));
1168
1169 if (mask & IFCAP_HWCSUM)
1170 if_togglecapenable(ifp, IFCAP_HWCSUM);
1171 if (mask & IFCAP_TSO4)
1172 if_togglecapenable(ifp, IFCAP_TSO4);
1173 if (mask & IFCAP_TSO6)
1174 if_togglecapenable(ifp, IFCAP_TSO6);
1175 if (mask & IFCAP_VLAN_HWTAGGING)
1176 if_togglecapenable(ifp, IFCAP_VLAN_HWTAGGING);
1177 if (mask & IFCAP_VLAN_HWTSO)
1178 if_togglecapenable(ifp, IFCAP_VLAN_HWTSO);
1179 if (mask & IFCAP_LRO)
1180 if_togglecapenable(ifp, IFCAP_LRO);
1181
1182 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
1183 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1184 QLA_LOCK_NO_SLEEP);
1185
1186 if (ret)
1187 break;
1188
1189 ql_sp_log(ha, 11, 4, if_getdrvflags(ifp),
1190 (if_getdrvflags(ifp) & IFF_DRV_RUNNING),
1191 mask, if_getcapenable(ifp), 0);
1192
1193 qla_init_locked(ha);
1194
1195 QLA_UNLOCK(ha, __func__);
1196 }
1197 VLAN_CAPABILITIES(ifp);
1198 break;
1199 }
1200
1201 default:
1202 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n",
1203 __func__, cmd));
1204 ret = ether_ioctl(ifp, cmd, data);
1205 break;
1206 }
1207
1208 return (ret);
1209 }
1210
1211 static int
qla_media_change(if_t ifp)1212 qla_media_change(if_t ifp)
1213 {
1214 qla_host_t *ha;
1215 struct ifmedia *ifm;
1216 int ret = 0;
1217
1218 ha = (qla_host_t *)if_getsoftc(ifp);
1219
1220 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1221
1222 ifm = &ha->media;
1223
1224 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1225 ret = EINVAL;
1226
1227 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1228
1229 return (ret);
1230 }
1231
1232 static void
qla_media_status(if_t ifp,struct ifmediareq * ifmr)1233 qla_media_status(if_t ifp, struct ifmediareq *ifmr)
1234 {
1235 qla_host_t *ha;
1236
1237 ha = (qla_host_t *)if_getsoftc(ifp);
1238
1239 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1240
1241 ifmr->ifm_status = IFM_AVALID;
1242 ifmr->ifm_active = IFM_ETHER;
1243
1244 ql_update_link_state(ha);
1245 if (ha->hw.link_up) {
1246 ifmr->ifm_status |= IFM_ACTIVE;
1247 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha));
1248 }
1249
1250 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\
1251 (ha->hw.link_up ? "link_up" : "link_down")));
1252
1253 return;
1254 }
1255
1256 static int
qla_send(qla_host_t * ha,struct mbuf ** m_headp,uint32_t txr_idx,uint32_t iscsi_pdu)1257 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
1258 uint32_t iscsi_pdu)
1259 {
1260 bus_dma_segment_t segs[QLA_MAX_SEGMENTS];
1261 bus_dmamap_t map;
1262 int nsegs;
1263 int ret = -1;
1264 uint32_t tx_idx;
1265 struct mbuf *m_head = *m_headp;
1266
1267 QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__));
1268
1269 tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next;
1270
1271 if ((NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) ||
1272 (QL_ERR_INJECT(ha, INJCT_TXBUF_MBUF_NON_NULL))){
1273 QL_ASSERT(ha, 0, ("%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 QL_DPRINT2(ha, (ha->pci_dev, "%s [%d]: txr_idx = %d tx_idx = %d "
1278 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,
1279 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head));
1280
1281 if (m_head)
1282 m_freem(m_head);
1283 *m_headp = NULL;
1284 QL_INITIATE_RECOVERY(ha);
1285 return (ret);
1286 }
1287
1288 map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
1289
1290 ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
1291 BUS_DMA_NOWAIT);
1292
1293 if (ret == EFBIG) {
1294 struct mbuf *m;
1295
1296 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
1297 m_head->m_pkthdr.len));
1298
1299 m = m_defrag(m_head, M_NOWAIT);
1300 if (m == NULL) {
1301 ha->err_tx_defrag++;
1302 m_freem(m_head);
1303 *m_headp = NULL;
1304 device_printf(ha->pci_dev,
1305 "%s: m_defrag() = NULL [%d]\n",
1306 __func__, ret);
1307 return (ENOBUFS);
1308 }
1309 m_head = m;
1310 *m_headp = m_head;
1311
1312 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
1313 segs, &nsegs, BUS_DMA_NOWAIT))) {
1314 ha->err_tx_dmamap_load++;
1315
1316 device_printf(ha->pci_dev,
1317 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
1318 __func__, ret, m_head->m_pkthdr.len);
1319
1320 if (ret != ENOMEM) {
1321 m_freem(m_head);
1322 *m_headp = NULL;
1323 }
1324 return (ret);
1325 }
1326
1327 } else if (ret) {
1328 ha->err_tx_dmamap_load++;
1329
1330 device_printf(ha->pci_dev,
1331 "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
1332 __func__, ret, m_head->m_pkthdr.len);
1333
1334 if (ret != ENOMEM) {
1335 m_freem(m_head);
1336 *m_headp = NULL;
1337 }
1338 return (ret);
1339 }
1340
1341 QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet"));
1342
1343 bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
1344
1345 if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx,
1346 iscsi_pdu))) {
1347 ha->tx_ring[txr_idx].count++;
1348 if (iscsi_pdu)
1349 ha->tx_ring[txr_idx].iscsi_pkt_count++;
1350 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
1351 } else {
1352 bus_dmamap_unload(ha->tx_tag, map);
1353 if (ret == EINVAL) {
1354 if (m_head)
1355 m_freem(m_head);
1356 *m_headp = NULL;
1357 }
1358 }
1359
1360 QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__));
1361 return (ret);
1362 }
1363
1364 static int
qla_alloc_tx_br(qla_host_t * ha,qla_tx_fp_t * fp)1365 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1366 {
1367 snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
1368 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx);
1369
1370 mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
1371
1372 fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF,
1373 M_NOWAIT, &fp->tx_mtx);
1374 if (fp->tx_br == NULL) {
1375 QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for "
1376 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx));
1377 return (-ENOMEM);
1378 }
1379 return 0;
1380 }
1381
1382 static void
qla_free_tx_br(qla_host_t * ha,qla_tx_fp_t * fp)1383 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1384 {
1385 struct mbuf *mp;
1386 if_t ifp = ha->ifp;
1387
1388 if (mtx_initialized(&fp->tx_mtx)) {
1389 if (fp->tx_br != NULL) {
1390 mtx_lock(&fp->tx_mtx);
1391
1392 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1393 m_freem(mp);
1394 }
1395
1396 mtx_unlock(&fp->tx_mtx);
1397
1398 buf_ring_free(fp->tx_br, M_DEVBUF);
1399 fp->tx_br = NULL;
1400 }
1401 mtx_destroy(&fp->tx_mtx);
1402 }
1403 return;
1404 }
1405
1406 static void
qla_fp_taskqueue(void * context,int pending)1407 qla_fp_taskqueue(void *context, int pending)
1408 {
1409 qla_tx_fp_t *fp;
1410 qla_host_t *ha;
1411 if_t ifp;
1412 struct mbuf *mp = NULL;
1413 int ret = 0;
1414 uint32_t txr_idx;
1415 uint32_t iscsi_pdu = 0;
1416 uint32_t rx_pkts_left = -1;
1417
1418 fp = context;
1419
1420 if (fp == NULL)
1421 return;
1422
1423 ha = (qla_host_t *)fp->ha;
1424
1425 ifp = ha->ifp;
1426
1427 txr_idx = fp->txr_idx;
1428
1429 mtx_lock(&fp->tx_mtx);
1430
1431 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING) || (!ha->hw.link_up)) {
1432 mtx_unlock(&fp->tx_mtx);
1433 goto qla_fp_taskqueue_exit;
1434 }
1435
1436 while (rx_pkts_left && !ha->stop_rcv &&
1437 (if_getdrvflags(ifp) & IFF_DRV_RUNNING) && ha->hw.link_up) {
1438 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64);
1439
1440 #ifdef QL_ENABLE_ISCSI_TLV
1441 ql_hw_tx_done_locked(ha, fp->txr_idx);
1442 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1)));
1443 #else
1444 ql_hw_tx_done_locked(ha, fp->txr_idx);
1445 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1446
1447 mp = drbr_peek(ifp, fp->tx_br);
1448
1449 while (mp != NULL) {
1450 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) {
1451 #ifdef QL_ENABLE_ISCSI_TLV
1452 if (ql_iscsi_pdu(ha, mp) == 0) {
1453 txr_idx = txr_idx +
1454 (ha->hw.num_tx_rings >> 1);
1455 iscsi_pdu = 1;
1456 } else {
1457 iscsi_pdu = 0;
1458 txr_idx = fp->txr_idx;
1459 }
1460 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1461 }
1462
1463 ret = qla_send(ha, &mp, txr_idx, iscsi_pdu);
1464
1465 if (ret) {
1466 if (mp != NULL)
1467 drbr_putback(ifp, fp->tx_br, mp);
1468 else {
1469 drbr_advance(ifp, fp->tx_br);
1470 }
1471
1472 mtx_unlock(&fp->tx_mtx);
1473
1474 goto qla_fp_taskqueue_exit0;
1475 } else {
1476 drbr_advance(ifp, fp->tx_br);
1477 }
1478
1479 /* Send a copy of the frame to the BPF listener */
1480 ETHER_BPF_MTAP(ifp, mp);
1481
1482 if (((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) ||
1483 (!ha->hw.link_up))
1484 break;
1485
1486 mp = drbr_peek(ifp, fp->tx_br);
1487 }
1488 }
1489 mtx_unlock(&fp->tx_mtx);
1490
1491 if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0)
1492 goto qla_fp_taskqueue_exit;
1493
1494 qla_fp_taskqueue_exit0:
1495
1496 if (rx_pkts_left || ((mp != NULL) && ret)) {
1497 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1498 } else {
1499 if (!ha->stop_rcv) {
1500 QL_ENABLE_INTERRUPTS(ha, fp->txr_idx);
1501 }
1502 }
1503
1504 qla_fp_taskqueue_exit:
1505
1506 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1507 return;
1508 }
1509
1510 static int
qla_create_fp_taskqueues(qla_host_t * ha)1511 qla_create_fp_taskqueues(qla_host_t *ha)
1512 {
1513 int i;
1514 uint8_t tq_name[32];
1515
1516 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1517 qla_tx_fp_t *fp = &ha->tx_fp[i];
1518
1519 bzero(tq_name, sizeof (tq_name));
1520 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
1521
1522 NET_TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp);
1523
1524 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT,
1525 taskqueue_thread_enqueue,
1526 &fp->fp_taskqueue);
1527
1528 if (fp->fp_taskqueue == NULL)
1529 return (-1);
1530
1531 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
1532 tq_name);
1533
1534 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__,
1535 fp->fp_taskqueue));
1536 }
1537
1538 return (0);
1539 }
1540
1541 static void
qla_destroy_fp_taskqueues(qla_host_t * ha)1542 qla_destroy_fp_taskqueues(qla_host_t *ha)
1543 {
1544 int i;
1545
1546 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1547 qla_tx_fp_t *fp = &ha->tx_fp[i];
1548
1549 if (fp->fp_taskqueue != NULL) {
1550 taskqueue_drain_all(fp->fp_taskqueue);
1551 taskqueue_free(fp->fp_taskqueue);
1552 fp->fp_taskqueue = NULL;
1553 }
1554 }
1555 return;
1556 }
1557
1558 static void
qla_drain_fp_taskqueues(qla_host_t * ha)1559 qla_drain_fp_taskqueues(qla_host_t *ha)
1560 {
1561 int i;
1562
1563 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1564 qla_tx_fp_t *fp = &ha->tx_fp[i];
1565
1566 if (fp->fp_taskqueue != NULL) {
1567 taskqueue_drain_all(fp->fp_taskqueue);
1568 }
1569 }
1570 return;
1571 }
1572
1573 static int
qla_transmit(if_t ifp,struct mbuf * mp)1574 qla_transmit(if_t ifp, struct mbuf *mp)
1575 {
1576 qla_host_t *ha = (qla_host_t *)if_getsoftc(ifp);
1577 qla_tx_fp_t *fp;
1578 int rss_id = 0;
1579 int ret = 0;
1580
1581 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1582
1583 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
1584 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) %
1585 ha->hw.num_sds_rings;
1586 fp = &ha->tx_fp[rss_id];
1587
1588 if (fp->tx_br == NULL) {
1589 ret = EINVAL;
1590 goto qla_transmit_exit;
1591 }
1592
1593 if (mp != NULL) {
1594 ret = drbr_enqueue(ifp, fp->tx_br, mp);
1595 }
1596
1597 if (fp->fp_taskqueue != NULL)
1598 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1599
1600 ret = 0;
1601
1602 qla_transmit_exit:
1603
1604 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1605 return ret;
1606 }
1607
1608 static void
qla_qflush(if_t ifp)1609 qla_qflush(if_t ifp)
1610 {
1611 int i;
1612 qla_tx_fp_t *fp;
1613 struct mbuf *mp;
1614 qla_host_t *ha;
1615
1616 ha = (qla_host_t *)if_getsoftc(ifp);
1617
1618 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1619
1620 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1621 fp = &ha->tx_fp[i];
1622
1623 if (fp == NULL)
1624 continue;
1625
1626 if (fp->tx_br) {
1627 mtx_lock(&fp->tx_mtx);
1628
1629 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1630 m_freem(mp);
1631 }
1632 mtx_unlock(&fp->tx_mtx);
1633 }
1634 }
1635 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1636
1637 return;
1638 }
1639
1640 static void
qla_stop(qla_host_t * ha)1641 qla_stop(qla_host_t *ha)
1642 {
1643 if_t ifp = ha->ifp;
1644 int i = 0;
1645
1646 ql_sp_log(ha, 13, 0, 0, 0, 0, 0, 0);
1647
1648 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
1649 ha->qla_watchdog_pause = 1;
1650
1651 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1652 qla_tx_fp_t *fp;
1653
1654 fp = &ha->tx_fp[i];
1655
1656 if (fp == NULL)
1657 continue;
1658
1659 if (fp->tx_br != NULL) {
1660 mtx_lock(&fp->tx_mtx);
1661 mtx_unlock(&fp->tx_mtx);
1662 }
1663 }
1664
1665 while (!ha->qla_watchdog_paused)
1666 qla_mdelay(__func__, 1);
1667
1668 ha->qla_interface_up = 0;
1669
1670 qla_drain_fp_taskqueues(ha);
1671
1672 ql_del_hw_if(ha);
1673
1674 qla_free_xmt_bufs(ha);
1675 qla_free_rcv_bufs(ha);
1676
1677 return;
1678 }
1679
1680 /*
1681 * Buffer Management Functions for Transmit and Receive Rings
1682 */
1683 static int
qla_alloc_xmt_bufs(qla_host_t * ha)1684 qla_alloc_xmt_bufs(qla_host_t *ha)
1685 {
1686 int ret = 0;
1687 uint32_t i, j;
1688 qla_tx_buf_t *txb;
1689
1690 if (bus_dma_tag_create(NULL, /* parent */
1691 1, 0, /* alignment, bounds */
1692 BUS_SPACE_MAXADDR, /* lowaddr */
1693 BUS_SPACE_MAXADDR, /* highaddr */
1694 NULL, NULL, /* filter, filterarg */
1695 QLA_MAX_TSO_FRAME_SIZE, /* maxsize */
1696 QLA_MAX_SEGMENTS, /* nsegments */
1697 PAGE_SIZE, /* maxsegsize */
1698 BUS_DMA_ALLOCNOW, /* flags */
1699 NULL, /* lockfunc */
1700 NULL, /* lockfuncarg */
1701 &ha->tx_tag)) {
1702 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n",
1703 __func__);
1704 return (ENOMEM);
1705 }
1706
1707 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1708 bzero((void *)ha->tx_ring[i].tx_buf,
1709 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1710 }
1711
1712 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1713 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) {
1714 txb = &ha->tx_ring[j].tx_buf[i];
1715
1716 if ((ret = bus_dmamap_create(ha->tx_tag,
1717 BUS_DMA_NOWAIT, &txb->map))) {
1718 ha->err_tx_dmamap_create++;
1719 device_printf(ha->pci_dev,
1720 "%s: bus_dmamap_create failed[%d]\n",
1721 __func__, ret);
1722
1723 qla_free_xmt_bufs(ha);
1724
1725 return (ret);
1726 }
1727 }
1728 }
1729
1730 return 0;
1731 }
1732
1733 /*
1734 * Release mbuf after it sent on the wire
1735 */
1736 static void
qla_clear_tx_buf(qla_host_t * ha,qla_tx_buf_t * txb)1737 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
1738 {
1739 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1740
1741 if (txb->m_head) {
1742 bus_dmamap_sync(ha->tx_tag, txb->map,
1743 BUS_DMASYNC_POSTWRITE);
1744
1745 bus_dmamap_unload(ha->tx_tag, txb->map);
1746
1747 m_freem(txb->m_head);
1748 txb->m_head = NULL;
1749
1750 bus_dmamap_destroy(ha->tx_tag, txb->map);
1751 txb->map = NULL;
1752 }
1753
1754 if (txb->map) {
1755 bus_dmamap_unload(ha->tx_tag, txb->map);
1756 bus_dmamap_destroy(ha->tx_tag, txb->map);
1757 txb->map = NULL;
1758 }
1759
1760 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1761 }
1762
1763 static void
qla_free_xmt_bufs(qla_host_t * ha)1764 qla_free_xmt_bufs(qla_host_t *ha)
1765 {
1766 int i, j;
1767
1768 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1769 for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
1770 qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
1771 }
1772
1773 if (ha->tx_tag != NULL) {
1774 bus_dma_tag_destroy(ha->tx_tag);
1775 ha->tx_tag = NULL;
1776 }
1777
1778 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1779 bzero((void *)ha->tx_ring[i].tx_buf,
1780 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1781 }
1782 return;
1783 }
1784
1785 static int
qla_alloc_rcv_std(qla_host_t * ha)1786 qla_alloc_rcv_std(qla_host_t *ha)
1787 {
1788 int i, j, k, r, ret = 0;
1789 qla_rx_buf_t *rxb;
1790 qla_rx_ring_t *rx_ring;
1791
1792 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1793 rx_ring = &ha->rx_ring[r];
1794
1795 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1796 rxb = &rx_ring->rx_buf[i];
1797
1798 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT,
1799 &rxb->map);
1800
1801 if (ret) {
1802 device_printf(ha->pci_dev,
1803 "%s: dmamap[%d, %d] failed\n",
1804 __func__, r, i);
1805
1806 for (k = 0; k < r; k++) {
1807 for (j = 0; j < NUM_RX_DESCRIPTORS;
1808 j++) {
1809 rxb = &ha->rx_ring[k].rx_buf[j];
1810 bus_dmamap_destroy(ha->rx_tag,
1811 rxb->map);
1812 }
1813 }
1814
1815 for (j = 0; j < i; j++) {
1816 bus_dmamap_destroy(ha->rx_tag,
1817 rx_ring->rx_buf[j].map);
1818 }
1819 goto qla_alloc_rcv_std_err;
1820 }
1821 }
1822 }
1823
1824 qla_init_hw_rcv_descriptors(ha);
1825
1826 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1827 rx_ring = &ha->rx_ring[r];
1828
1829 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1830 rxb = &rx_ring->rx_buf[i];
1831 rxb->handle = i;
1832 if (!(ret = ql_get_mbuf(ha, rxb, NULL))) {
1833 /*
1834 * set the physical address in the
1835 * corresponding descriptor entry in the
1836 * receive ring/queue for the hba
1837 */
1838 qla_set_hw_rcv_desc(ha, r, i, rxb->handle,
1839 rxb->paddr,
1840 (rxb->m_head)->m_pkthdr.len);
1841 } else {
1842 device_printf(ha->pci_dev,
1843 "%s: ql_get_mbuf [%d, %d] failed\n",
1844 __func__, r, i);
1845 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1846 goto qla_alloc_rcv_std_err;
1847 }
1848 }
1849 }
1850 return 0;
1851
1852 qla_alloc_rcv_std_err:
1853 return (-1);
1854 }
1855
1856 static void
qla_free_rcv_std(qla_host_t * ha)1857 qla_free_rcv_std(qla_host_t *ha)
1858 {
1859 int i, r;
1860 qla_rx_buf_t *rxb;
1861
1862 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1863 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1864 rxb = &ha->rx_ring[r].rx_buf[i];
1865 if (rxb->m_head != NULL) {
1866 bus_dmamap_unload(ha->rx_tag, rxb->map);
1867 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1868 m_freem(rxb->m_head);
1869 rxb->m_head = NULL;
1870 }
1871 }
1872 }
1873 return;
1874 }
1875
1876 static int
qla_alloc_rcv_bufs(qla_host_t * ha)1877 qla_alloc_rcv_bufs(qla_host_t *ha)
1878 {
1879 int i, ret = 0;
1880
1881 if (bus_dma_tag_create(NULL, /* parent */
1882 1, 0, /* alignment, bounds */
1883 BUS_SPACE_MAXADDR, /* lowaddr */
1884 BUS_SPACE_MAXADDR, /* highaddr */
1885 NULL, NULL, /* filter, filterarg */
1886 MJUM9BYTES, /* maxsize */
1887 1, /* nsegments */
1888 MJUM9BYTES, /* maxsegsize */
1889 BUS_DMA_ALLOCNOW, /* flags */
1890 NULL, /* lockfunc */
1891 NULL, /* lockfuncarg */
1892 &ha->rx_tag)) {
1893 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n",
1894 __func__);
1895
1896 return (ENOMEM);
1897 }
1898
1899 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1900
1901 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1902 ha->hw.sds[i].sdsr_next = 0;
1903 ha->hw.sds[i].rxb_free = NULL;
1904 ha->hw.sds[i].rx_free = 0;
1905 }
1906
1907 ret = qla_alloc_rcv_std(ha);
1908
1909 return (ret);
1910 }
1911
1912 static void
qla_free_rcv_bufs(qla_host_t * ha)1913 qla_free_rcv_bufs(qla_host_t *ha)
1914 {
1915 int i;
1916
1917 qla_free_rcv_std(ha);
1918
1919 if (ha->rx_tag != NULL) {
1920 bus_dma_tag_destroy(ha->rx_tag);
1921 ha->rx_tag = NULL;
1922 }
1923
1924 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1925
1926 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1927 ha->hw.sds[i].sdsr_next = 0;
1928 ha->hw.sds[i].rxb_free = NULL;
1929 ha->hw.sds[i].rx_free = 0;
1930 }
1931
1932 return;
1933 }
1934
1935 int
ql_get_mbuf(qla_host_t * ha,qla_rx_buf_t * rxb,struct mbuf * nmp)1936 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
1937 {
1938 register struct mbuf *mp = nmp;
1939 int ret = 0;
1940 uint32_t offset;
1941 bus_dma_segment_t segs[1];
1942 int nsegs, mbuf_size;
1943
1944 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1945
1946 if (ha->hw.enable_9kb)
1947 mbuf_size = MJUM9BYTES;
1948 else
1949 mbuf_size = MCLBYTES;
1950
1951 if (mp == NULL) {
1952 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE))
1953 return(-1);
1954
1955 if (ha->hw.enable_9kb)
1956 mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size);
1957 else
1958 mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1959
1960 if (mp == NULL) {
1961 ha->err_m_getcl++;
1962 ret = ENOBUFS;
1963 device_printf(ha->pci_dev,
1964 "%s: m_getcl failed\n", __func__);
1965 goto exit_ql_get_mbuf;
1966 }
1967 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1968 } else {
1969 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1970 mp->m_data = mp->m_ext.ext_buf;
1971 mp->m_next = NULL;
1972 }
1973
1974 offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
1975 if (offset) {
1976 offset = 8 - offset;
1977 m_adj(mp, offset);
1978 }
1979
1980 /*
1981 * Using memory from the mbuf cluster pool, invoke the bus_dma
1982 * machinery to arrange the memory mapping.
1983 */
1984 ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
1985 mp, segs, &nsegs, BUS_DMA_NOWAIT);
1986 rxb->paddr = segs[0].ds_addr;
1987
1988 if (ret || !rxb->paddr || (nsegs != 1)) {
1989 m_free(mp);
1990 rxb->m_head = NULL;
1991 device_printf(ha->pci_dev,
1992 "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
1993 __func__, ret, (long long unsigned int)rxb->paddr,
1994 nsegs);
1995 ret = -1;
1996 goto exit_ql_get_mbuf;
1997 }
1998 rxb->m_head = mp;
1999 bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
2000
2001 exit_ql_get_mbuf:
2002 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
2003 return (ret);
2004 }
2005
2006 static void
qla_get_peer(qla_host_t * ha)2007 qla_get_peer(qla_host_t *ha)
2008 {
2009 device_t *peers;
2010 int count, i, slot;
2011 int my_slot = pci_get_slot(ha->pci_dev);
2012
2013 if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count))
2014 return;
2015
2016 for (i = 0; i < count; i++) {
2017 slot = pci_get_slot(peers[i]);
2018
2019 if ((slot >= 0) && (slot == my_slot) &&
2020 (pci_get_device(peers[i]) ==
2021 pci_get_device(ha->pci_dev))) {
2022 if (ha->pci_dev != peers[i])
2023 ha->peer_dev = peers[i];
2024 }
2025 }
2026 }
2027
2028 static void
qla_send_msg_to_peer(qla_host_t * ha,uint32_t msg_to_peer)2029 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer)
2030 {
2031 qla_host_t *ha_peer;
2032
2033 if (ha->peer_dev) {
2034 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) {
2035 ha_peer->msg_from_peer = msg_to_peer;
2036 }
2037 }
2038 }
2039
2040 void
qla_set_error_recovery(qla_host_t * ha)2041 qla_set_error_recovery(qla_host_t *ha)
2042 {
2043 if_t ifp = ha->ifp;
2044
2045 if (!cold && ha->enable_error_recovery) {
2046 if (ifp)
2047 if_setdrvflagbits(ifp, 0, IFF_DRV_RUNNING);
2048 ha->qla_initiate_recovery = 1;
2049 } else
2050 ha->offline = 1;
2051 return;
2052 }
2053
2054 static void
qla_error_recovery(void * context,int pending)2055 qla_error_recovery(void *context, int pending)
2056 {
2057 qla_host_t *ha = context;
2058 uint32_t msecs_100 = 400;
2059 if_t ifp = ha->ifp;
2060 int i = 0;
2061
2062 device_printf(ha->pci_dev, "%s: enter\n", __func__);
2063 ha->hw.imd_compl = 1;
2064
2065 taskqueue_drain_all(ha->stats_tq);
2066 taskqueue_drain_all(ha->async_event_tq);
2067
2068 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2069 return;
2070
2071 device_printf(ha->pci_dev, "%s: ts_usecs = %ld start\n",
2072 __func__, qla_get_usec_timestamp());
2073
2074 if (ha->qla_interface_up) {
2075 qla_mdelay(__func__, 300);
2076
2077
2078
2079 for (i = 0; i < ha->hw.num_sds_rings; i++) {
2080 qla_tx_fp_t *fp;
2081
2082 fp = &ha->tx_fp[i];
2083
2084 if (fp == NULL)
2085 continue;
2086
2087 if (fp->tx_br != NULL) {
2088 mtx_lock(&fp->tx_mtx);
2089 mtx_unlock(&fp->tx_mtx);
2090 }
2091 }
2092 }
2093
2094 qla_drain_fp_taskqueues(ha);
2095
2096 if ((ha->pci_func & 0x1) == 0) {
2097 if (!ha->msg_from_peer) {
2098 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2099
2100 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) &&
2101 msecs_100--)
2102 qla_mdelay(__func__, 100);
2103 }
2104
2105 ha->msg_from_peer = 0;
2106
2107 if (ha->enable_minidump)
2108 ql_minidump(ha);
2109
2110 if (ha->enable_driverstate_dump)
2111 ql_capture_drvr_state(ha);
2112
2113 if (ql_init_hw(ha)) {
2114 device_printf(ha->pci_dev,
2115 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2116 __func__, qla_get_usec_timestamp());
2117 ha->offline = 1;
2118 goto qla_error_recovery_exit;
2119 }
2120
2121 if (ha->qla_interface_up) {
2122 qla_free_xmt_bufs(ha);
2123 qla_free_rcv_bufs(ha);
2124 }
2125
2126 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2127 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2128
2129 } else {
2130 if (ha->msg_from_peer == QL_PEER_MSG_RESET) {
2131 ha->msg_from_peer = 0;
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 } else {
2136 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2137 }
2138
2139 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && msecs_100--)
2140 qla_mdelay(__func__, 100);
2141 ha->msg_from_peer = 0;
2142
2143 if (ha->enable_driverstate_dump)
2144 ql_capture_drvr_state(ha);
2145
2146 if (msecs_100 == 0) {
2147 device_printf(ha->pci_dev,
2148 "%s: ts_usecs = %ld exit: QL_PEER_MSG_ACK not received\n",
2149 __func__, qla_get_usec_timestamp());
2150 ha->offline = 1;
2151 goto qla_error_recovery_exit;
2152 }
2153
2154 if (ql_init_hw(ha)) {
2155 device_printf(ha->pci_dev,
2156 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2157 __func__, qla_get_usec_timestamp());
2158 ha->offline = 1;
2159 goto qla_error_recovery_exit;
2160 }
2161
2162 if (ha->qla_interface_up) {
2163 qla_free_xmt_bufs(ha);
2164 qla_free_rcv_bufs(ha);
2165 }
2166 }
2167
2168 qla_mdelay(__func__, ha->ms_delay_after_init);
2169
2170 *((uint32_t *)&ha->hw.flags) = 0;
2171 ha->qla_initiate_recovery = 0;
2172
2173 if (ha->qla_interface_up) {
2174 if (qla_alloc_xmt_bufs(ha) != 0) {
2175 ha->offline = 1;
2176 goto qla_error_recovery_exit;
2177 }
2178
2179 qla_confirm_9kb_enable(ha);
2180
2181 if (qla_alloc_rcv_bufs(ha) != 0) {
2182 ha->offline = 1;
2183 goto qla_error_recovery_exit;
2184 }
2185
2186 ha->stop_rcv = 0;
2187
2188 if (ql_init_hw_if(ha) == 0) {
2189 ifp = ha->ifp;
2190 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0);
2191 ha->qla_watchdog_pause = 0;
2192 ql_update_link_state(ha);
2193 } else {
2194 ha->offline = 1;
2195
2196 if (ha->hw.sp_log_stop_events &
2197 Q8_SP_LOG_STOP_IF_START_FAILURE)
2198 ha->hw.sp_log_stop = -1;
2199 }
2200 } else {
2201 ha->qla_watchdog_pause = 0;
2202 }
2203
2204 qla_error_recovery_exit:
2205
2206 if (ha->offline ) {
2207 device_printf(ha->pci_dev, "%s: ts_usecs = %ld port offline\n",
2208 __func__, qla_get_usec_timestamp());
2209 if (ha->hw.sp_log_stop_events &
2210 Q8_SP_LOG_STOP_ERR_RECOVERY_FAILURE)
2211 ha->hw.sp_log_stop = -1;
2212 }
2213
2214 QLA_UNLOCK(ha, __func__);
2215
2216 if (!ha->offline)
2217 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
2218 qla_watchdog, ha);
2219
2220 device_printf(ha->pci_dev,
2221 "%s: ts_usecs = %ld exit\n",
2222 __func__, qla_get_usec_timestamp());
2223 return;
2224 }
2225
2226 static void
qla_async_event(void * context,int pending)2227 qla_async_event(void *context, int pending)
2228 {
2229 qla_host_t *ha = context;
2230
2231 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2232 return;
2233
2234 if (ha->async_event) {
2235 ha->async_event = 0;
2236 qla_hw_async_event(ha);
2237 }
2238
2239 QLA_UNLOCK(ha, __func__);
2240
2241 return;
2242 }
2243
2244 static void
qla_stats(void * context,int pending)2245 qla_stats(void *context, int pending)
2246 {
2247 qla_host_t *ha;
2248
2249 ha = context;
2250
2251 ql_get_stats(ha);
2252
2253 return;
2254 }
2255