1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2013-2016 Qlogic Corporation
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * and ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 /*
31 * File: ql_os.c
32 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
33 */
34
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
37
38 #include "ql_os.h"
39 #include "ql_hw.h"
40 #include "ql_def.h"
41 #include "ql_inline.h"
42 #include "ql_ver.h"
43 #include "ql_glbl.h"
44 #include "ql_dbg.h"
45 #include <sys/smp.h>
46
47 /*
48 * Some PCI Configuration Space Related Defines
49 */
50
51 #ifndef PCI_VENDOR_QLOGIC
52 #define PCI_VENDOR_QLOGIC 0x1077
53 #endif
54
55 #ifndef PCI_PRODUCT_QLOGIC_ISP8030
56 #define PCI_PRODUCT_QLOGIC_ISP8030 0x8030
57 #endif
58
59 #define PCI_QLOGIC_ISP8030 \
60 ((PCI_PRODUCT_QLOGIC_ISP8030 << 16) | PCI_VENDOR_QLOGIC)
61
62 /*
63 * static functions
64 */
65 static int qla_alloc_parent_dma_tag(qla_host_t *ha);
66 static void qla_free_parent_dma_tag(qla_host_t *ha);
67 static int qla_alloc_xmt_bufs(qla_host_t *ha);
68 static void qla_free_xmt_bufs(qla_host_t *ha);
69 static int qla_alloc_rcv_bufs(qla_host_t *ha);
70 static void qla_free_rcv_bufs(qla_host_t *ha);
71 static void qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb);
72
73 static void qla_init_ifnet(device_t dev, qla_host_t *ha);
74 static int qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS);
75 static void qla_release(qla_host_t *ha);
76 static void qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs,
77 int error);
78 static void qla_stop(qla_host_t *ha);
79 static void qla_get_peer(qla_host_t *ha);
80 static void qla_error_recovery(void *context, int pending);
81 static void qla_async_event(void *context, int pending);
82 static void qla_stats(void *context, int pending);
83 static int qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
84 uint32_t iscsi_pdu);
85
86 /*
87 * Hooks to the Operating Systems
88 */
89 static int qla_pci_probe (device_t);
90 static int qla_pci_attach (device_t);
91 static int qla_pci_detach (device_t);
92
93 static void qla_init(void *arg);
94 static int qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
95 static int qla_media_change(struct ifnet *ifp);
96 static void qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr);
97
98 static int qla_transmit(struct ifnet *ifp, struct mbuf *mp);
99 static void qla_qflush(struct ifnet *ifp);
100 static int qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
101 static void qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *tx_fp);
102 static int qla_create_fp_taskqueues(qla_host_t *ha);
103 static void qla_destroy_fp_taskqueues(qla_host_t *ha);
104 static void qla_drain_fp_taskqueues(qla_host_t *ha);
105
106 static device_method_t qla_pci_methods[] = {
107 /* Device interface */
108 DEVMETHOD(device_probe, qla_pci_probe),
109 DEVMETHOD(device_attach, qla_pci_attach),
110 DEVMETHOD(device_detach, qla_pci_detach),
111 { 0, 0 }
112 };
113
114 static driver_t qla_pci_driver = {
115 "ql", qla_pci_methods, sizeof (qla_host_t),
116 };
117
118 static devclass_t qla83xx_devclass;
119
120 DRIVER_MODULE(qla83xx, pci, qla_pci_driver, qla83xx_devclass, 0, 0);
121
122 MODULE_DEPEND(qla83xx, pci, 1, 1, 1);
123 MODULE_DEPEND(qla83xx, ether, 1, 1, 1);
124
125 MALLOC_DEFINE(M_QLA83XXBUF, "qla83xxbuf", "Buffers for qla83xx driver");
126
127 #define QL_STD_REPLENISH_THRES 0
128 #define QL_JUMBO_REPLENISH_THRES 32
129
130 static char dev_str[64];
131 static char ver_str[64];
132
133 /*
134 * Name: qla_pci_probe
135 * Function: Validate the PCI device to be a QLA80XX device
136 */
137 static int
qla_pci_probe(device_t dev)138 qla_pci_probe(device_t dev)
139 {
140 switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
141 case PCI_QLOGIC_ISP8030:
142 snprintf(dev_str, sizeof(dev_str), "%s v%d.%d.%d",
143 "Qlogic ISP 83xx PCI CNA Adapter-Ethernet Function",
144 QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
145 QLA_VERSION_BUILD);
146 snprintf(ver_str, sizeof(ver_str), "v%d.%d.%d",
147 QLA_VERSION_MAJOR, QLA_VERSION_MINOR,
148 QLA_VERSION_BUILD);
149 device_set_desc(dev, dev_str);
150 break;
151 default:
152 return (ENXIO);
153 }
154
155 if (bootverbose)
156 printf("%s: %s\n ", __func__, dev_str);
157
158 return (BUS_PROBE_DEFAULT);
159 }
160
161 static void
qla_add_sysctls(qla_host_t * ha)162 qla_add_sysctls(qla_host_t *ha)
163 {
164 device_t dev = ha->pci_dev;
165
166 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev),
167 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
168 OID_AUTO, "version", CTLFLAG_RD,
169 ver_str, 0, "Driver Version");
170
171 SYSCTL_ADD_STRING(device_get_sysctl_ctx(dev),
172 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
173 OID_AUTO, "fw_version", CTLFLAG_RD,
174 ha->fw_ver_str, 0, "firmware version");
175
176 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
177 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
178 "link_status", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
179 (void *)ha, 0, qla_sysctl_get_link_status, "I", "Link Status");
180
181 ha->dbg_level = 0;
182 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
183 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
184 OID_AUTO, "debug", CTLFLAG_RW,
185 &ha->dbg_level, ha->dbg_level, "Debug Level");
186
187 ha->enable_minidump = 1;
188 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
189 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
190 OID_AUTO, "enable_minidump", CTLFLAG_RW,
191 &ha->enable_minidump, ha->enable_minidump,
192 "Minidump retrival prior to error recovery "
193 "is enabled only when this is set");
194
195 ha->enable_driverstate_dump = 1;
196 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
197 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
198 OID_AUTO, "enable_driverstate_dump", CTLFLAG_RW,
199 &ha->enable_driverstate_dump, ha->enable_driverstate_dump,
200 "Driver State retrival prior to error recovery "
201 "is enabled only when this is set");
202
203 ha->enable_error_recovery = 1;
204 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
205 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
206 OID_AUTO, "enable_error_recovery", CTLFLAG_RW,
207 &ha->enable_error_recovery, ha->enable_error_recovery,
208 "when set error recovery is enabled on fatal errors "
209 "otherwise the port is turned offline");
210
211 ha->ms_delay_after_init = 1000;
212 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
213 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
214 OID_AUTO, "ms_delay_after_init", CTLFLAG_RW,
215 &ha->ms_delay_after_init, ha->ms_delay_after_init,
216 "millisecond delay after hw_init");
217
218 ha->std_replenish = QL_STD_REPLENISH_THRES;
219 SYSCTL_ADD_UINT(device_get_sysctl_ctx(dev),
220 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
221 OID_AUTO, "std_replenish", CTLFLAG_RW,
222 &ha->std_replenish, ha->std_replenish,
223 "Threshold for Replenishing Standard Frames");
224
225 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
226 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
227 OID_AUTO, "ipv4_lro",
228 CTLFLAG_RD, &ha->ipv4_lro,
229 "number of ipv4 lro completions");
230
231 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
232 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
233 OID_AUTO, "ipv6_lro",
234 CTLFLAG_RD, &ha->ipv6_lro,
235 "number of ipv6 lro completions");
236
237 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
238 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
239 OID_AUTO, "tx_tso_frames",
240 CTLFLAG_RD, &ha->tx_tso_frames,
241 "number of Tx TSO Frames");
242
243 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
244 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
245 OID_AUTO, "hw_vlan_tx_frames",
246 CTLFLAG_RD, &ha->hw_vlan_tx_frames,
247 "number of Tx VLAN Frames");
248
249 SYSCTL_ADD_QUAD(device_get_sysctl_ctx(dev),
250 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
251 OID_AUTO, "hw_lock_failed",
252 CTLFLAG_RD, &ha->hw_lock_failed,
253 "number of hw_lock failures");
254
255 return;
256 }
257
258 static void
qla_watchdog(void * arg)259 qla_watchdog(void *arg)
260 {
261 qla_host_t *ha = arg;
262 qla_hw_t *hw;
263 struct ifnet *ifp;
264
265 hw = &ha->hw;
266 ifp = ha->ifp;
267
268 if (ha->qla_watchdog_exit) {
269 ha->qla_watchdog_exited = 1;
270 return;
271 }
272 ha->qla_watchdog_exited = 0;
273
274 if (!ha->qla_watchdog_pause) {
275 if (!ha->offline &&
276 (ql_hw_check_health(ha) || ha->qla_initiate_recovery ||
277 (ha->msg_from_peer == QL_PEER_MSG_RESET))) {
278 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
279 ql_update_link_state(ha);
280
281 if (ha->enable_error_recovery) {
282 ha->qla_watchdog_paused = 1;
283 ha->qla_watchdog_pause = 1;
284 ha->err_inject = 0;
285 device_printf(ha->pci_dev,
286 "%s: taskqueue_enqueue(err_task) \n",
287 __func__);
288 taskqueue_enqueue(ha->err_tq, &ha->err_task);
289 } else {
290 if (ifp != NULL)
291 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
292 ha->offline = 1;
293 }
294 return;
295
296 } else {
297 if (ha->qla_interface_up) {
298 ha->watchdog_ticks++;
299
300 if (ha->watchdog_ticks > 1000)
301 ha->watchdog_ticks = 0;
302
303 if (!ha->watchdog_ticks && QL_RUNNING(ifp)) {
304 taskqueue_enqueue(ha->stats_tq,
305 &ha->stats_task);
306 }
307
308 if (ha->async_event) {
309 taskqueue_enqueue(ha->async_event_tq,
310 &ha->async_event_task);
311 }
312 }
313 ha->qla_watchdog_paused = 0;
314 }
315 } else {
316 ha->qla_watchdog_paused = 1;
317 }
318
319 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
320 qla_watchdog, ha);
321 }
322
323 /*
324 * Name: qla_pci_attach
325 * Function: attaches the device to the operating system
326 */
327 static int
qla_pci_attach(device_t dev)328 qla_pci_attach(device_t dev)
329 {
330 qla_host_t *ha = NULL;
331 uint32_t rsrc_len;
332 int i;
333 uint32_t num_rcvq = 0;
334
335 if ((ha = device_get_softc(dev)) == NULL) {
336 device_printf(dev, "cannot get softc\n");
337 return (ENOMEM);
338 }
339
340 memset(ha, 0, sizeof (qla_host_t));
341
342 if (pci_get_device(dev) != PCI_PRODUCT_QLOGIC_ISP8030) {
343 device_printf(dev, "device is not ISP8030\n");
344 return (ENXIO);
345 }
346
347 ha->pci_func = pci_get_function(dev) & 0x1;
348
349 ha->pci_dev = dev;
350
351 pci_enable_busmaster(dev);
352
353 ha->reg_rid = PCIR_BAR(0);
354 ha->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &ha->reg_rid,
355 RF_ACTIVE);
356
357 if (ha->pci_reg == NULL) {
358 device_printf(dev, "unable to map any ports\n");
359 goto qla_pci_attach_err;
360 }
361
362 rsrc_len = (uint32_t) bus_get_resource_count(dev, SYS_RES_MEMORY,
363 ha->reg_rid);
364
365 mtx_init(&ha->hw_lock, "qla83xx_hw_lock", MTX_NETWORK_LOCK, MTX_DEF);
366 mtx_init(&ha->sp_log_lock, "qla83xx_sp_log_lock", MTX_NETWORK_LOCK, MTX_DEF);
367 ha->flags.lock_init = 1;
368
369 qla_add_sysctls(ha);
370
371 ha->hw.num_sds_rings = MAX_SDS_RINGS;
372 ha->hw.num_rds_rings = MAX_RDS_RINGS;
373 ha->hw.num_tx_rings = NUM_TX_RINGS;
374
375 ha->reg_rid1 = PCIR_BAR(2);
376 ha->pci_reg1 = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
377 &ha->reg_rid1, RF_ACTIVE);
378
379 ha->msix_count = pci_msix_count(dev);
380
381 if (ha->msix_count < 1 ) {
382 device_printf(dev, "%s: msix_count[%d] not enough\n", __func__,
383 ha->msix_count);
384 goto qla_pci_attach_err;
385 }
386
387 if (ha->msix_count < (ha->hw.num_sds_rings + 1)) {
388 ha->hw.num_sds_rings = ha->msix_count - 1;
389 }
390
391 QL_DPRINT2(ha, (dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
392 " msix_count 0x%x pci_reg %p pci_reg1 %p\n", __func__, ha,
393 ha->pci_func, rsrc_len, ha->msix_count, ha->pci_reg,
394 ha->pci_reg1));
395
396 /* initialize hardware */
397 if (ql_init_hw(ha)) {
398 device_printf(dev, "%s: ql_init_hw failed\n", __func__);
399 goto qla_pci_attach_err;
400 }
401
402 device_printf(dev, "%s: firmware[%d.%d.%d.%d]\n", __func__,
403 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
404 ha->fw_ver_build);
405 snprintf(ha->fw_ver_str, sizeof(ha->fw_ver_str), "%d.%d.%d.%d",
406 ha->fw_ver_major, ha->fw_ver_minor, ha->fw_ver_sub,
407 ha->fw_ver_build);
408
409 if (qla_get_nic_partition(ha, NULL, &num_rcvq)) {
410 device_printf(dev, "%s: qla_get_nic_partition failed\n",
411 __func__);
412 goto qla_pci_attach_err;
413 }
414 device_printf(dev, "%s: ha %p pci_func 0x%x rsrc_count 0x%08x"
415 " msix_count 0x%x pci_reg %p pci_reg1 %p num_rcvq = %d\n",
416 __func__, ha, ha->pci_func, rsrc_len, ha->msix_count,
417 ha->pci_reg, ha->pci_reg1, num_rcvq);
418
419 if ((ha->msix_count < 64) || (num_rcvq != 32)) {
420 if (ha->hw.num_sds_rings > 15) {
421 ha->hw.num_sds_rings = 15;
422 }
423 }
424
425 ha->hw.num_rds_rings = ha->hw.num_sds_rings;
426 ha->hw.num_tx_rings = ha->hw.num_sds_rings;
427
428 #ifdef QL_ENABLE_ISCSI_TLV
429 ha->hw.num_tx_rings = ha->hw.num_sds_rings * 2;
430 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
431
432 ql_hw_add_sysctls(ha);
433
434 ha->msix_count = ha->hw.num_sds_rings + 1;
435
436 if (pci_alloc_msix(dev, &ha->msix_count)) {
437 device_printf(dev, "%s: pci_alloc_msi[%d] failed\n", __func__,
438 ha->msix_count);
439 ha->msix_count = 0;
440 goto qla_pci_attach_err;
441 }
442
443 ha->mbx_irq_rid = 1;
444 ha->mbx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
445 &ha->mbx_irq_rid,
446 (RF_ACTIVE | RF_SHAREABLE));
447 if (ha->mbx_irq == NULL) {
448 device_printf(dev, "could not allocate mbx interrupt\n");
449 goto qla_pci_attach_err;
450 }
451 if (bus_setup_intr(dev, ha->mbx_irq, (INTR_TYPE_NET | INTR_MPSAFE),
452 NULL, ql_mbx_isr, ha, &ha->mbx_handle)) {
453 device_printf(dev, "could not setup mbx interrupt\n");
454 goto qla_pci_attach_err;
455 }
456
457 for (i = 0; i < ha->hw.num_sds_rings; i++) {
458 ha->irq_vec[i].sds_idx = i;
459 ha->irq_vec[i].ha = ha;
460 ha->irq_vec[i].irq_rid = 2 + i;
461
462 ha->irq_vec[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
463 &ha->irq_vec[i].irq_rid,
464 (RF_ACTIVE | RF_SHAREABLE));
465
466 if (ha->irq_vec[i].irq == NULL) {
467 device_printf(dev, "could not allocate interrupt\n");
468 goto qla_pci_attach_err;
469 }
470 if (bus_setup_intr(dev, ha->irq_vec[i].irq,
471 (INTR_TYPE_NET | INTR_MPSAFE),
472 NULL, ql_isr, &ha->irq_vec[i],
473 &ha->irq_vec[i].handle)) {
474 device_printf(dev, "could not setup interrupt\n");
475 goto qla_pci_attach_err;
476 }
477
478 ha->tx_fp[i].ha = ha;
479 ha->tx_fp[i].txr_idx = i;
480
481 if (qla_alloc_tx_br(ha, &ha->tx_fp[i])) {
482 device_printf(dev, "%s: could not allocate tx_br[%d]\n",
483 __func__, i);
484 goto qla_pci_attach_err;
485 }
486 }
487
488 if (qla_create_fp_taskqueues(ha) != 0)
489 goto qla_pci_attach_err;
490
491 printf("%s: mp__ncpus %d sds %d rds %d msi-x %d\n", __func__, mp_ncpus,
492 ha->hw.num_sds_rings, ha->hw.num_rds_rings, ha->msix_count);
493
494 ql_read_mac_addr(ha);
495
496 /* allocate parent dma tag */
497 if (qla_alloc_parent_dma_tag(ha)) {
498 device_printf(dev, "%s: qla_alloc_parent_dma_tag failed\n",
499 __func__);
500 goto qla_pci_attach_err;
501 }
502
503 /* alloc all dma buffers */
504 if (ql_alloc_dma(ha)) {
505 device_printf(dev, "%s: ql_alloc_dma failed\n", __func__);
506 goto qla_pci_attach_err;
507 }
508 qla_get_peer(ha);
509
510 if (ql_minidump_init(ha) != 0) {
511 device_printf(dev, "%s: ql_minidump_init failed\n", __func__);
512 goto qla_pci_attach_err;
513 }
514 ql_alloc_drvr_state_buffer(ha);
515 ql_alloc_sp_log_buffer(ha);
516 /* create the o.s ethernet interface */
517 qla_init_ifnet(dev, ha);
518
519 ha->flags.qla_watchdog_active = 1;
520 ha->qla_watchdog_pause = 0;
521
522 callout_init(&ha->tx_callout, TRUE);
523 ha->flags.qla_callout_init = 1;
524
525 /* create ioctl device interface */
526 if (ql_make_cdev(ha)) {
527 device_printf(dev, "%s: ql_make_cdev failed\n", __func__);
528 goto qla_pci_attach_err;
529 }
530
531 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
532 qla_watchdog, ha);
533
534 TASK_INIT(&ha->err_task, 0, qla_error_recovery, ha);
535 ha->err_tq = taskqueue_create("qla_errq", M_NOWAIT,
536 taskqueue_thread_enqueue, &ha->err_tq);
537 taskqueue_start_threads(&ha->err_tq, 1, PI_NET, "%s errq",
538 device_get_nameunit(ha->pci_dev));
539
540 TASK_INIT(&ha->async_event_task, 0, qla_async_event, ha);
541 ha->async_event_tq = taskqueue_create("qla_asyncq", M_NOWAIT,
542 taskqueue_thread_enqueue, &ha->async_event_tq);
543 taskqueue_start_threads(&ha->async_event_tq, 1, PI_NET, "%s asyncq",
544 device_get_nameunit(ha->pci_dev));
545
546 TASK_INIT(&ha->stats_task, 0, qla_stats, ha);
547 ha->stats_tq = taskqueue_create("qla_statsq", M_NOWAIT,
548 taskqueue_thread_enqueue, &ha->stats_tq);
549 taskqueue_start_threads(&ha->stats_tq, 1, PI_NET, "%s taskq",
550 device_get_nameunit(ha->pci_dev));
551
552 QL_DPRINT2(ha, (dev, "%s: exit 0\n", __func__));
553 return (0);
554
555 qla_pci_attach_err:
556
557 qla_release(ha);
558
559 if (ha->flags.lock_init) {
560 mtx_destroy(&ha->hw_lock);
561 mtx_destroy(&ha->sp_log_lock);
562 }
563
564 QL_DPRINT2(ha, (dev, "%s: exit ENXIO\n", __func__));
565 return (ENXIO);
566 }
567
568 /*
569 * Name: qla_pci_detach
570 * Function: Unhooks the device from the operating system
571 */
572 static int
qla_pci_detach(device_t dev)573 qla_pci_detach(device_t dev)
574 {
575 qla_host_t *ha = NULL;
576 struct ifnet *ifp;
577
578 if ((ha = device_get_softc(dev)) == NULL) {
579 device_printf(dev, "cannot get softc\n");
580 return (ENOMEM);
581 }
582
583 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
584
585 ifp = ha->ifp;
586
587 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
588 QLA_LOCK(ha, __func__, -1, 0);
589
590 ha->qla_detach_active = 1;
591 qla_stop(ha);
592
593 qla_release(ha);
594
595 QLA_UNLOCK(ha, __func__);
596
597 if (ha->flags.lock_init) {
598 mtx_destroy(&ha->hw_lock);
599 mtx_destroy(&ha->sp_log_lock);
600 }
601
602 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
603
604 return (0);
605 }
606
607 /*
608 * SYSCTL Related Callbacks
609 */
610 static int
qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)611 qla_sysctl_get_link_status(SYSCTL_HANDLER_ARGS)
612 {
613 int err, ret = 0;
614 qla_host_t *ha;
615
616 err = sysctl_handle_int(oidp, &ret, 0, req);
617
618 if (err || !req->newptr)
619 return (err);
620
621 if (ret == 1) {
622 ha = (qla_host_t *)arg1;
623 ql_hw_link_status(ha);
624 }
625 return (err);
626 }
627
628 /*
629 * Name: qla_release
630 * Function: Releases the resources allocated for the device
631 */
632 static void
qla_release(qla_host_t * ha)633 qla_release(qla_host_t *ha)
634 {
635 device_t dev;
636 int i;
637
638 dev = ha->pci_dev;
639
640 if (ha->async_event_tq) {
641 taskqueue_drain_all(ha->async_event_tq);
642 taskqueue_free(ha->async_event_tq);
643 }
644
645 if (ha->err_tq) {
646 taskqueue_drain_all(ha->err_tq);
647 taskqueue_free(ha->err_tq);
648 }
649
650 if (ha->stats_tq) {
651 taskqueue_drain_all(ha->stats_tq);
652 taskqueue_free(ha->stats_tq);
653 }
654
655 ql_del_cdev(ha);
656
657 if (ha->flags.qla_watchdog_active) {
658 ha->qla_watchdog_exit = 1;
659
660 while (ha->qla_watchdog_exited == 0)
661 qla_mdelay(__func__, 1);
662 }
663
664 if (ha->flags.qla_callout_init)
665 callout_stop(&ha->tx_callout);
666
667 if (ha->ifp != NULL)
668 ether_ifdetach(ha->ifp);
669
670 ql_free_drvr_state_buffer(ha);
671 ql_free_sp_log_buffer(ha);
672 ql_free_dma(ha);
673 qla_free_parent_dma_tag(ha);
674
675 if (ha->mbx_handle)
676 (void)bus_teardown_intr(dev, ha->mbx_irq, ha->mbx_handle);
677
678 if (ha->mbx_irq)
679 (void) bus_release_resource(dev, SYS_RES_IRQ, ha->mbx_irq_rid,
680 ha->mbx_irq);
681
682 for (i = 0; i < ha->hw.num_sds_rings; i++) {
683 if (ha->irq_vec[i].handle) {
684 (void)bus_teardown_intr(dev, ha->irq_vec[i].irq,
685 ha->irq_vec[i].handle);
686 }
687
688 if (ha->irq_vec[i].irq) {
689 (void)bus_release_resource(dev, SYS_RES_IRQ,
690 ha->irq_vec[i].irq_rid,
691 ha->irq_vec[i].irq);
692 }
693
694 qla_free_tx_br(ha, &ha->tx_fp[i]);
695 }
696 qla_destroy_fp_taskqueues(ha);
697
698 if (ha->msix_count)
699 pci_release_msi(dev);
700
701 if (ha->pci_reg)
702 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid,
703 ha->pci_reg);
704
705 if (ha->pci_reg1)
706 (void) bus_release_resource(dev, SYS_RES_MEMORY, ha->reg_rid1,
707 ha->pci_reg1);
708
709 return;
710 }
711
712 /*
713 * DMA Related Functions
714 */
715
716 static void
qla_dmamap_callback(void * arg,bus_dma_segment_t * segs,int nsegs,int error)717 qla_dmamap_callback(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
718 {
719 *((bus_addr_t *)arg) = 0;
720
721 if (error) {
722 printf("%s: bus_dmamap_load failed (%d)\n", __func__, error);
723 return;
724 }
725
726 *((bus_addr_t *)arg) = segs[0].ds_addr;
727
728 return;
729 }
730
731 int
ql_alloc_dmabuf(qla_host_t * ha,qla_dma_t * dma_buf)732 ql_alloc_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
733 {
734 int ret = 0;
735 device_t dev;
736 bus_addr_t b_addr;
737
738 dev = ha->pci_dev;
739
740 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
741
742 ret = bus_dma_tag_create(
743 ha->parent_tag,/* parent */
744 dma_buf->alignment,
745 ((bus_size_t)(1ULL << 32)),/* boundary */
746 BUS_SPACE_MAXADDR, /* lowaddr */
747 BUS_SPACE_MAXADDR, /* highaddr */
748 NULL, NULL, /* filter, filterarg */
749 dma_buf->size, /* maxsize */
750 1, /* nsegments */
751 dma_buf->size, /* maxsegsize */
752 0, /* flags */
753 NULL, NULL, /* lockfunc, lockarg */
754 &dma_buf->dma_tag);
755
756 if (ret) {
757 device_printf(dev, "%s: could not create dma tag\n", __func__);
758 goto ql_alloc_dmabuf_exit;
759 }
760 ret = bus_dmamem_alloc(dma_buf->dma_tag,
761 (void **)&dma_buf->dma_b,
762 (BUS_DMA_ZERO | BUS_DMA_COHERENT | BUS_DMA_NOWAIT),
763 &dma_buf->dma_map);
764 if (ret) {
765 bus_dma_tag_destroy(dma_buf->dma_tag);
766 device_printf(dev, "%s: bus_dmamem_alloc failed\n", __func__);
767 goto ql_alloc_dmabuf_exit;
768 }
769
770 ret = bus_dmamap_load(dma_buf->dma_tag,
771 dma_buf->dma_map,
772 dma_buf->dma_b,
773 dma_buf->size,
774 qla_dmamap_callback,
775 &b_addr, BUS_DMA_NOWAIT);
776
777 if (ret || !b_addr) {
778 bus_dma_tag_destroy(dma_buf->dma_tag);
779 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b,
780 dma_buf->dma_map);
781 ret = -1;
782 goto ql_alloc_dmabuf_exit;
783 }
784
785 dma_buf->dma_addr = b_addr;
786
787 ql_alloc_dmabuf_exit:
788 QL_DPRINT2(ha, (dev, "%s: exit ret 0x%08x tag %p map %p b %p sz 0x%x\n",
789 __func__, ret, (void *)dma_buf->dma_tag,
790 (void *)dma_buf->dma_map, (void *)dma_buf->dma_b,
791 dma_buf->size));
792
793 return ret;
794 }
795
796 void
ql_free_dmabuf(qla_host_t * ha,qla_dma_t * dma_buf)797 ql_free_dmabuf(qla_host_t *ha, qla_dma_t *dma_buf)
798 {
799 bus_dmamap_unload(dma_buf->dma_tag, dma_buf->dma_map);
800 bus_dmamem_free(dma_buf->dma_tag, dma_buf->dma_b, dma_buf->dma_map);
801 bus_dma_tag_destroy(dma_buf->dma_tag);
802 }
803
804 static int
qla_alloc_parent_dma_tag(qla_host_t * ha)805 qla_alloc_parent_dma_tag(qla_host_t *ha)
806 {
807 int ret;
808 device_t dev;
809
810 dev = ha->pci_dev;
811
812 /*
813 * Allocate parent DMA Tag
814 */
815 ret = bus_dma_tag_create(
816 bus_get_dma_tag(dev), /* parent */
817 1,((bus_size_t)(1ULL << 32)),/* alignment, boundary */
818 BUS_SPACE_MAXADDR, /* lowaddr */
819 BUS_SPACE_MAXADDR, /* highaddr */
820 NULL, NULL, /* filter, filterarg */
821 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
822 0, /* nsegments */
823 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
824 0, /* flags */
825 NULL, NULL, /* lockfunc, lockarg */
826 &ha->parent_tag);
827
828 if (ret) {
829 device_printf(dev, "%s: could not create parent dma tag\n",
830 __func__);
831 return (-1);
832 }
833
834 ha->flags.parent_tag = 1;
835
836 return (0);
837 }
838
839 static void
qla_free_parent_dma_tag(qla_host_t * ha)840 qla_free_parent_dma_tag(qla_host_t *ha)
841 {
842 if (ha->flags.parent_tag) {
843 bus_dma_tag_destroy(ha->parent_tag);
844 ha->flags.parent_tag = 0;
845 }
846 }
847
848 /*
849 * Name: qla_init_ifnet
850 * Function: Creates the Network Device Interface and Registers it with the O.S
851 */
852
853 static void
qla_init_ifnet(device_t dev,qla_host_t * ha)854 qla_init_ifnet(device_t dev, qla_host_t *ha)
855 {
856 struct ifnet *ifp;
857
858 QL_DPRINT2(ha, (dev, "%s: enter\n", __func__));
859
860 ifp = ha->ifp = if_alloc(IFT_ETHER);
861
862 if (ifp == NULL)
863 panic("%s: cannot if_alloc()\n", device_get_nameunit(dev));
864
865 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
866
867 ifp->if_baudrate = IF_Gbps(10);
868 ifp->if_capabilities = IFCAP_LINKSTATE;
869 ifp->if_mtu = ETHERMTU;
870
871 ifp->if_init = qla_init;
872 ifp->if_softc = ha;
873 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
874 ifp->if_ioctl = qla_ioctl;
875
876 ifp->if_transmit = qla_transmit;
877 ifp->if_qflush = qla_qflush;
878
879 IFQ_SET_MAXLEN(&ifp->if_snd, qla_get_ifq_snd_maxlen(ha));
880 ifp->if_snd.ifq_drv_maxlen = qla_get_ifq_snd_maxlen(ha);
881 IFQ_SET_READY(&ifp->if_snd);
882
883 ha->max_frame_size = ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
884
885 ether_ifattach(ifp, qla_get_mac_addr(ha));
886
887 ifp->if_capabilities |= IFCAP_HWCSUM |
888 IFCAP_TSO4 |
889 IFCAP_TSO6 |
890 IFCAP_JUMBO_MTU |
891 IFCAP_VLAN_HWTAGGING |
892 IFCAP_VLAN_MTU |
893 IFCAP_VLAN_HWTSO |
894 IFCAP_LRO;
895
896 ifp->if_capenable = ifp->if_capabilities;
897
898 ifp->if_hdrlen = sizeof(struct ether_vlan_header);
899
900 ifmedia_init(&ha->media, IFM_IMASK, qla_media_change, qla_media_status);
901
902 ifmedia_add(&ha->media, (IFM_ETHER | qla_get_optics(ha) | IFM_FDX), 0,
903 NULL);
904 ifmedia_add(&ha->media, (IFM_ETHER | IFM_AUTO), 0, NULL);
905
906 ifmedia_set(&ha->media, (IFM_ETHER | IFM_AUTO));
907
908 QL_DPRINT2(ha, (dev, "%s: exit\n", __func__));
909
910 return;
911 }
912
913 static void
qla_init_locked(qla_host_t * ha)914 qla_init_locked(qla_host_t *ha)
915 {
916 struct ifnet *ifp = ha->ifp;
917
918 ql_sp_log(ha, 14, 0, 0, 0, 0, 0, 0);
919
920 qla_stop(ha);
921
922 if (qla_alloc_xmt_bufs(ha) != 0)
923 return;
924
925 qla_confirm_9kb_enable(ha);
926
927 if (qla_alloc_rcv_bufs(ha) != 0)
928 return;
929
930 bcopy(IF_LLADDR(ha->ifp), ha->hw.mac_addr, ETHER_ADDR_LEN);
931
932 ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_TSO;
933 ifp->if_hwassist |= CSUM_TCP_IPV6 | CSUM_UDP_IPV6;
934
935 ha->stop_rcv = 0;
936 if (ql_init_hw_if(ha) == 0) {
937 ifp = ha->ifp;
938 ifp->if_drv_flags |= IFF_DRV_RUNNING;
939 ha->hw_vlan_tx_frames = 0;
940 ha->tx_tso_frames = 0;
941 ha->qla_interface_up = 1;
942 ql_update_link_state(ha);
943 } else {
944 if (ha->hw.sp_log_stop_events & Q8_SP_LOG_STOP_IF_START_FAILURE)
945 ha->hw.sp_log_stop = -1;
946 }
947
948 ha->qla_watchdog_pause = 0;
949
950 return;
951 }
952
953 static void
qla_init(void * arg)954 qla_init(void *arg)
955 {
956 qla_host_t *ha;
957
958 ha = (qla_host_t *)arg;
959
960 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
961
962 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
963 return;
964
965 qla_init_locked(ha);
966
967 QLA_UNLOCK(ha, __func__);
968
969 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
970 }
971
972 static u_int
qla_copy_maddr(void * arg,struct sockaddr_dl * sdl,u_int mcnt)973 qla_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int mcnt)
974 {
975 uint8_t *mta = arg;
976
977 if (mcnt == Q8_MAX_NUM_MULTICAST_ADDRS)
978 return (0);
979
980 bcopy(LLADDR(sdl), &mta[mcnt * Q8_MAC_ADDR_LEN], Q8_MAC_ADDR_LEN);
981
982 return (1);
983 }
984
985 static int
qla_set_multi(qla_host_t * ha,uint32_t add_multi)986 qla_set_multi(qla_host_t *ha, uint32_t add_multi)
987 {
988 uint8_t mta[Q8_MAX_NUM_MULTICAST_ADDRS * Q8_MAC_ADDR_LEN];
989 int mcnt = 0;
990 struct ifnet *ifp = ha->ifp;
991 int ret = 0;
992
993 mcnt = if_foreach_llmaddr(ifp, qla_copy_maddr, mta);
994
995 if (QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
996 QLA_LOCK_NO_SLEEP) != 0)
997 return (-1);
998
999 ql_sp_log(ha, 12, 4, ifp->if_drv_flags,
1000 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1001 add_multi, (uint32_t)mcnt, 0);
1002
1003 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1004 if (!add_multi) {
1005 ret = qla_hw_del_all_mcast(ha);
1006
1007 if (ret)
1008 device_printf(ha->pci_dev,
1009 "%s: qla_hw_del_all_mcast() failed\n",
1010 __func__);
1011 }
1012
1013 if (!ret)
1014 ret = ql_hw_set_multi(ha, mta, mcnt, 1);
1015 }
1016
1017 QLA_UNLOCK(ha, __func__);
1018
1019 return (ret);
1020 }
1021
1022 static int
qla_ioctl(struct ifnet * ifp,u_long cmd,caddr_t data)1023 qla_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1024 {
1025 int ret = 0;
1026 struct ifreq *ifr = (struct ifreq *)data;
1027 struct ifaddr *ifa = (struct ifaddr *)data;
1028 qla_host_t *ha;
1029
1030 ha = (qla_host_t *)ifp->if_softc;
1031 if (ha->offline || ha->qla_initiate_recovery)
1032 return (ret);
1033
1034 switch (cmd) {
1035 case SIOCSIFADDR:
1036 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFADDR (0x%lx)\n",
1037 __func__, cmd));
1038
1039 if (ifa->ifa_addr->sa_family == AF_INET) {
1040 ret = QLA_LOCK(ha, __func__,
1041 QLA_LOCK_DEFAULT_MS_TIMEOUT,
1042 QLA_LOCK_NO_SLEEP);
1043 if (ret)
1044 break;
1045
1046 ifp->if_flags |= IFF_UP;
1047
1048 ql_sp_log(ha, 8, 3, ifp->if_drv_flags,
1049 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1050 ntohl(IA_SIN(ifa)->sin_addr.s_addr), 0, 0);
1051
1052 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
1053 qla_init_locked(ha);
1054 }
1055
1056 QLA_UNLOCK(ha, __func__);
1057 QL_DPRINT4(ha, (ha->pci_dev,
1058 "%s: SIOCSIFADDR (0x%lx) ipv4 [0x%08x]\n",
1059 __func__, cmd,
1060 ntohl(IA_SIN(ifa)->sin_addr.s_addr)));
1061
1062 arp_ifinit(ifp, ifa);
1063 } else {
1064 ether_ioctl(ifp, cmd, data);
1065 }
1066 break;
1067
1068 case SIOCSIFMTU:
1069 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFMTU (0x%lx)\n",
1070 __func__, cmd));
1071
1072 if (ifr->ifr_mtu > QLA_MAX_MTU) {
1073 ret = EINVAL;
1074 } else {
1075 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1076 QLA_LOCK_NO_SLEEP);
1077
1078 if (ret)
1079 break;
1080
1081 ifp->if_mtu = ifr->ifr_mtu;
1082 ha->max_frame_size =
1083 ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1084
1085 ql_sp_log(ha, 9, 4, ifp->if_drv_flags,
1086 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1087 ha->max_frame_size, ifp->if_mtu, 0);
1088
1089 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1090 qla_init_locked(ha);
1091 }
1092
1093 if (ifp->if_mtu > ETHERMTU)
1094 ha->std_replenish = QL_JUMBO_REPLENISH_THRES;
1095 else
1096 ha->std_replenish = QL_STD_REPLENISH_THRES;
1097
1098
1099 QLA_UNLOCK(ha, __func__);
1100 }
1101
1102 break;
1103
1104 case SIOCSIFFLAGS:
1105 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFFLAGS (0x%lx)\n",
1106 __func__, cmd));
1107
1108 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1109 QLA_LOCK_NO_SLEEP);
1110
1111 if (ret)
1112 break;
1113
1114 ql_sp_log(ha, 10, 4, ifp->if_drv_flags,
1115 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1116 ha->if_flags, ifp->if_flags, 0);
1117
1118 if (ifp->if_flags & IFF_UP) {
1119 ha->max_frame_size = ifp->if_mtu +
1120 ETHER_HDR_LEN + ETHER_CRC_LEN;
1121 qla_init_locked(ha);
1122
1123 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1124 if ((ifp->if_flags ^ ha->if_flags) &
1125 IFF_PROMISC) {
1126 ret = ql_set_promisc(ha);
1127 } else if ((ifp->if_flags ^ ha->if_flags) &
1128 IFF_ALLMULTI) {
1129 ret = ql_set_allmulti(ha);
1130 }
1131 }
1132 } else {
1133 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1134 qla_stop(ha);
1135 ha->if_flags = ifp->if_flags;
1136 }
1137
1138 QLA_UNLOCK(ha, __func__);
1139 break;
1140
1141 case SIOCADDMULTI:
1142 QL_DPRINT4(ha, (ha->pci_dev,
1143 "%s: %s (0x%lx)\n", __func__, "SIOCADDMULTI", cmd));
1144
1145 if (qla_set_multi(ha, 1))
1146 ret = EINVAL;
1147 break;
1148
1149 case SIOCDELMULTI:
1150 QL_DPRINT4(ha, (ha->pci_dev,
1151 "%s: %s (0x%lx)\n", __func__, "SIOCDELMULTI", cmd));
1152
1153 if (qla_set_multi(ha, 0))
1154 ret = EINVAL;
1155 break;
1156
1157 case SIOCSIFMEDIA:
1158 case SIOCGIFMEDIA:
1159 QL_DPRINT4(ha, (ha->pci_dev,
1160 "%s: SIOCSIFMEDIA/SIOCGIFMEDIA (0x%lx)\n",
1161 __func__, cmd));
1162 ret = ifmedia_ioctl(ifp, ifr, &ha->media, cmd);
1163 break;
1164
1165 case SIOCSIFCAP:
1166 {
1167 int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
1168
1169 QL_DPRINT4(ha, (ha->pci_dev, "%s: SIOCSIFCAP (0x%lx)\n",
1170 __func__, cmd));
1171
1172 if (mask & IFCAP_HWCSUM)
1173 ifp->if_capenable ^= IFCAP_HWCSUM;
1174 if (mask & IFCAP_TSO4)
1175 ifp->if_capenable ^= IFCAP_TSO4;
1176 if (mask & IFCAP_TSO6)
1177 ifp->if_capenable ^= IFCAP_TSO6;
1178 if (mask & IFCAP_VLAN_HWTAGGING)
1179 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
1180 if (mask & IFCAP_VLAN_HWTSO)
1181 ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
1182 if (mask & IFCAP_LRO)
1183 ifp->if_capenable ^= IFCAP_LRO;
1184
1185 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1186 ret = QLA_LOCK(ha, __func__, QLA_LOCK_DEFAULT_MS_TIMEOUT,
1187 QLA_LOCK_NO_SLEEP);
1188
1189 if (ret)
1190 break;
1191
1192 ql_sp_log(ha, 11, 4, ifp->if_drv_flags,
1193 (ifp->if_drv_flags & IFF_DRV_RUNNING),
1194 mask, ifp->if_capenable, 0);
1195
1196 qla_init_locked(ha);
1197
1198 QLA_UNLOCK(ha, __func__);
1199 }
1200 VLAN_CAPABILITIES(ifp);
1201 break;
1202 }
1203
1204 default:
1205 QL_DPRINT4(ha, (ha->pci_dev, "%s: default (0x%lx)\n",
1206 __func__, cmd));
1207 ret = ether_ioctl(ifp, cmd, data);
1208 break;
1209 }
1210
1211 return (ret);
1212 }
1213
1214 static int
qla_media_change(struct ifnet * ifp)1215 qla_media_change(struct ifnet *ifp)
1216 {
1217 qla_host_t *ha;
1218 struct ifmedia *ifm;
1219 int ret = 0;
1220
1221 ha = (qla_host_t *)ifp->if_softc;
1222
1223 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1224
1225 ifm = &ha->media;
1226
1227 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1228 ret = EINVAL;
1229
1230 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1231
1232 return (ret);
1233 }
1234
1235 static void
qla_media_status(struct ifnet * ifp,struct ifmediareq * ifmr)1236 qla_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
1237 {
1238 qla_host_t *ha;
1239
1240 ha = (qla_host_t *)ifp->if_softc;
1241
1242 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1243
1244 ifmr->ifm_status = IFM_AVALID;
1245 ifmr->ifm_active = IFM_ETHER;
1246
1247 ql_update_link_state(ha);
1248 if (ha->hw.link_up) {
1249 ifmr->ifm_status |= IFM_ACTIVE;
1250 ifmr->ifm_active |= (IFM_FDX | qla_get_optics(ha));
1251 }
1252
1253 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit (%s)\n", __func__,\
1254 (ha->hw.link_up ? "link_up" : "link_down")));
1255
1256 return;
1257 }
1258
1259 static int
qla_send(qla_host_t * ha,struct mbuf ** m_headp,uint32_t txr_idx,uint32_t iscsi_pdu)1260 qla_send(qla_host_t *ha, struct mbuf **m_headp, uint32_t txr_idx,
1261 uint32_t iscsi_pdu)
1262 {
1263 bus_dma_segment_t segs[QLA_MAX_SEGMENTS];
1264 bus_dmamap_t map;
1265 int nsegs;
1266 int ret = -1;
1267 uint32_t tx_idx;
1268 struct mbuf *m_head = *m_headp;
1269
1270 QL_DPRINT8(ha, (ha->pci_dev, "%s: enter\n", __func__));
1271
1272 tx_idx = ha->hw.tx_cntxt[txr_idx].txr_next;
1273
1274 if ((NULL != ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head) ||
1275 (QL_ERR_INJECT(ha, INJCT_TXBUF_MBUF_NON_NULL))){
1276 QL_ASSERT(ha, 0, ("%s [%d]: txr_idx = %d tx_idx = %d "\
1277 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,\
1278 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head));
1279
1280 device_printf(ha->pci_dev, "%s [%d]: txr_idx = %d tx_idx = %d "
1281 "mbuf = %p\n", __func__, __LINE__, txr_idx, tx_idx,
1282 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head);
1283
1284 if (m_head)
1285 m_freem(m_head);
1286 *m_headp = NULL;
1287 QL_INITIATE_RECOVERY(ha);
1288 return (ret);
1289 }
1290
1291 map = ha->tx_ring[txr_idx].tx_buf[tx_idx].map;
1292
1293 ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head, segs, &nsegs,
1294 BUS_DMA_NOWAIT);
1295
1296 if (ret == EFBIG) {
1297 struct mbuf *m;
1298
1299 QL_DPRINT8(ha, (ha->pci_dev, "%s: EFBIG [%d]\n", __func__,
1300 m_head->m_pkthdr.len));
1301
1302 m = m_defrag(m_head, M_NOWAIT);
1303 if (m == NULL) {
1304 ha->err_tx_defrag++;
1305 m_freem(m_head);
1306 *m_headp = NULL;
1307 device_printf(ha->pci_dev,
1308 "%s: m_defrag() = NULL [%d]\n",
1309 __func__, ret);
1310 return (ENOBUFS);
1311 }
1312 m_head = m;
1313 *m_headp = m_head;
1314
1315 if ((ret = bus_dmamap_load_mbuf_sg(ha->tx_tag, map, m_head,
1316 segs, &nsegs, BUS_DMA_NOWAIT))) {
1317 ha->err_tx_dmamap_load++;
1318
1319 device_printf(ha->pci_dev,
1320 "%s: bus_dmamap_load_mbuf_sg failed0[%d, %d]\n",
1321 __func__, ret, m_head->m_pkthdr.len);
1322
1323 if (ret != ENOMEM) {
1324 m_freem(m_head);
1325 *m_headp = NULL;
1326 }
1327 return (ret);
1328 }
1329
1330 } else if (ret) {
1331 ha->err_tx_dmamap_load++;
1332
1333 device_printf(ha->pci_dev,
1334 "%s: bus_dmamap_load_mbuf_sg failed1[%d, %d]\n",
1335 __func__, ret, m_head->m_pkthdr.len);
1336
1337 if (ret != ENOMEM) {
1338 m_freem(m_head);
1339 *m_headp = NULL;
1340 }
1341 return (ret);
1342 }
1343
1344 QL_ASSERT(ha, (nsegs != 0), ("qla_send: empty packet"));
1345
1346 bus_dmamap_sync(ha->tx_tag, map, BUS_DMASYNC_PREWRITE);
1347
1348 if (!(ret = ql_hw_send(ha, segs, nsegs, tx_idx, m_head, txr_idx,
1349 iscsi_pdu))) {
1350 ha->tx_ring[txr_idx].count++;
1351 if (iscsi_pdu)
1352 ha->tx_ring[txr_idx].iscsi_pkt_count++;
1353 ha->tx_ring[txr_idx].tx_buf[tx_idx].m_head = m_head;
1354 } else {
1355 bus_dmamap_unload(ha->tx_tag, map);
1356 if (ret == EINVAL) {
1357 if (m_head)
1358 m_freem(m_head);
1359 *m_headp = NULL;
1360 }
1361 }
1362
1363 QL_DPRINT8(ha, (ha->pci_dev, "%s: exit\n", __func__));
1364 return (ret);
1365 }
1366
1367 static int
qla_alloc_tx_br(qla_host_t * ha,qla_tx_fp_t * fp)1368 qla_alloc_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1369 {
1370 snprintf(fp->tx_mtx_name, sizeof(fp->tx_mtx_name),
1371 "qla%d_fp%d_tx_mq_lock", ha->pci_func, fp->txr_idx);
1372
1373 mtx_init(&fp->tx_mtx, fp->tx_mtx_name, NULL, MTX_DEF);
1374
1375 fp->tx_br = buf_ring_alloc(NUM_TX_DESCRIPTORS, M_DEVBUF,
1376 M_NOWAIT, &fp->tx_mtx);
1377 if (fp->tx_br == NULL) {
1378 QL_DPRINT1(ha, (ha->pci_dev, "buf_ring_alloc failed for "
1379 " fp[%d, %d]\n", ha->pci_func, fp->txr_idx));
1380 return (-ENOMEM);
1381 }
1382 return 0;
1383 }
1384
1385 static void
qla_free_tx_br(qla_host_t * ha,qla_tx_fp_t * fp)1386 qla_free_tx_br(qla_host_t *ha, qla_tx_fp_t *fp)
1387 {
1388 struct mbuf *mp;
1389 struct ifnet *ifp = ha->ifp;
1390
1391 if (mtx_initialized(&fp->tx_mtx)) {
1392 if (fp->tx_br != NULL) {
1393 mtx_lock(&fp->tx_mtx);
1394
1395 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1396 m_freem(mp);
1397 }
1398
1399 mtx_unlock(&fp->tx_mtx);
1400
1401 buf_ring_free(fp->tx_br, M_DEVBUF);
1402 fp->tx_br = NULL;
1403 }
1404 mtx_destroy(&fp->tx_mtx);
1405 }
1406 return;
1407 }
1408
1409 static void
qla_fp_taskqueue(void * context,int pending)1410 qla_fp_taskqueue(void *context, int pending)
1411 {
1412 qla_tx_fp_t *fp;
1413 qla_host_t *ha;
1414 struct ifnet *ifp;
1415 struct mbuf *mp = NULL;
1416 int ret = 0;
1417 uint32_t txr_idx;
1418 uint32_t iscsi_pdu = 0;
1419 uint32_t rx_pkts_left = -1;
1420
1421 fp = context;
1422
1423 if (fp == NULL)
1424 return;
1425
1426 ha = (qla_host_t *)fp->ha;
1427
1428 ifp = ha->ifp;
1429
1430 txr_idx = fp->txr_idx;
1431
1432 mtx_lock(&fp->tx_mtx);
1433
1434 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING) || (!ha->hw.link_up)) {
1435 mtx_unlock(&fp->tx_mtx);
1436 goto qla_fp_taskqueue_exit;
1437 }
1438
1439 while (rx_pkts_left && !ha->stop_rcv &&
1440 (ifp->if_drv_flags & IFF_DRV_RUNNING) && ha->hw.link_up) {
1441 rx_pkts_left = ql_rcv_isr(ha, fp->txr_idx, 64);
1442
1443 #ifdef QL_ENABLE_ISCSI_TLV
1444 ql_hw_tx_done_locked(ha, fp->txr_idx);
1445 ql_hw_tx_done_locked(ha, (fp->txr_idx + (ha->hw.num_tx_rings >> 1)));
1446 #else
1447 ql_hw_tx_done_locked(ha, fp->txr_idx);
1448 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1449
1450 mp = drbr_peek(ifp, fp->tx_br);
1451
1452 while (mp != NULL) {
1453 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE) {
1454 #ifdef QL_ENABLE_ISCSI_TLV
1455 if (ql_iscsi_pdu(ha, mp) == 0) {
1456 txr_idx = txr_idx +
1457 (ha->hw.num_tx_rings >> 1);
1458 iscsi_pdu = 1;
1459 } else {
1460 iscsi_pdu = 0;
1461 txr_idx = fp->txr_idx;
1462 }
1463 #endif /* #ifdef QL_ENABLE_ISCSI_TLV */
1464 }
1465
1466 ret = qla_send(ha, &mp, txr_idx, iscsi_pdu);
1467
1468 if (ret) {
1469 if (mp != NULL)
1470 drbr_putback(ifp, fp->tx_br, mp);
1471 else {
1472 drbr_advance(ifp, fp->tx_br);
1473 }
1474
1475 mtx_unlock(&fp->tx_mtx);
1476
1477 goto qla_fp_taskqueue_exit0;
1478 } else {
1479 drbr_advance(ifp, fp->tx_br);
1480 }
1481
1482 /* Send a copy of the frame to the BPF listener */
1483 ETHER_BPF_MTAP(ifp, mp);
1484
1485 if (((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) ||
1486 (!ha->hw.link_up))
1487 break;
1488
1489 mp = drbr_peek(ifp, fp->tx_br);
1490 }
1491 }
1492 mtx_unlock(&fp->tx_mtx);
1493
1494 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1495 goto qla_fp_taskqueue_exit;
1496
1497 qla_fp_taskqueue_exit0:
1498
1499 if (rx_pkts_left || ((mp != NULL) && ret)) {
1500 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1501 } else {
1502 if (!ha->stop_rcv) {
1503 QL_ENABLE_INTERRUPTS(ha, fp->txr_idx);
1504 }
1505 }
1506
1507 qla_fp_taskqueue_exit:
1508
1509 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1510 return;
1511 }
1512
1513 static int
qla_create_fp_taskqueues(qla_host_t * ha)1514 qla_create_fp_taskqueues(qla_host_t *ha)
1515 {
1516 int i;
1517 uint8_t tq_name[32];
1518
1519 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1520 qla_tx_fp_t *fp = &ha->tx_fp[i];
1521
1522 bzero(tq_name, sizeof (tq_name));
1523 snprintf(tq_name, sizeof (tq_name), "ql_fp_tq_%d", i);
1524
1525 NET_TASK_INIT(&fp->fp_task, 0, qla_fp_taskqueue, fp);
1526
1527 fp->fp_taskqueue = taskqueue_create_fast(tq_name, M_NOWAIT,
1528 taskqueue_thread_enqueue,
1529 &fp->fp_taskqueue);
1530
1531 if (fp->fp_taskqueue == NULL)
1532 return (-1);
1533
1534 taskqueue_start_threads(&fp->fp_taskqueue, 1, PI_NET, "%s",
1535 tq_name);
1536
1537 QL_DPRINT1(ha, (ha->pci_dev, "%s: %p\n", __func__,
1538 fp->fp_taskqueue));
1539 }
1540
1541 return (0);
1542 }
1543
1544 static void
qla_destroy_fp_taskqueues(qla_host_t * ha)1545 qla_destroy_fp_taskqueues(qla_host_t *ha)
1546 {
1547 int i;
1548
1549 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1550 qla_tx_fp_t *fp = &ha->tx_fp[i];
1551
1552 if (fp->fp_taskqueue != NULL) {
1553 taskqueue_drain_all(fp->fp_taskqueue);
1554 taskqueue_free(fp->fp_taskqueue);
1555 fp->fp_taskqueue = NULL;
1556 }
1557 }
1558 return;
1559 }
1560
1561 static void
qla_drain_fp_taskqueues(qla_host_t * ha)1562 qla_drain_fp_taskqueues(qla_host_t *ha)
1563 {
1564 int i;
1565
1566 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1567 qla_tx_fp_t *fp = &ha->tx_fp[i];
1568
1569 if (fp->fp_taskqueue != NULL) {
1570 taskqueue_drain_all(fp->fp_taskqueue);
1571 }
1572 }
1573 return;
1574 }
1575
1576 static int
qla_transmit(struct ifnet * ifp,struct mbuf * mp)1577 qla_transmit(struct ifnet *ifp, struct mbuf *mp)
1578 {
1579 qla_host_t *ha = (qla_host_t *)ifp->if_softc;
1580 qla_tx_fp_t *fp;
1581 int rss_id = 0;
1582 int ret = 0;
1583
1584 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1585
1586 #if __FreeBSD_version >= 1100000
1587 if (M_HASHTYPE_GET(mp) != M_HASHTYPE_NONE)
1588 #else
1589 if (mp->m_flags & M_FLOWID)
1590 #endif
1591 rss_id = (mp->m_pkthdr.flowid & Q8_RSS_IND_TBL_MAX_IDX) %
1592 ha->hw.num_sds_rings;
1593 fp = &ha->tx_fp[rss_id];
1594
1595 if (fp->tx_br == NULL) {
1596 ret = EINVAL;
1597 goto qla_transmit_exit;
1598 }
1599
1600 if (mp != NULL) {
1601 ret = drbr_enqueue(ifp, fp->tx_br, mp);
1602 }
1603
1604 if (fp->fp_taskqueue != NULL)
1605 taskqueue_enqueue(fp->fp_taskqueue, &fp->fp_task);
1606
1607 ret = 0;
1608
1609 qla_transmit_exit:
1610
1611 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = %d\n", __func__, ret));
1612 return ret;
1613 }
1614
1615 static void
qla_qflush(struct ifnet * ifp)1616 qla_qflush(struct ifnet *ifp)
1617 {
1618 int i;
1619 qla_tx_fp_t *fp;
1620 struct mbuf *mp;
1621 qla_host_t *ha;
1622
1623 ha = (qla_host_t *)ifp->if_softc;
1624
1625 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1626
1627 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1628 fp = &ha->tx_fp[i];
1629
1630 if (fp == NULL)
1631 continue;
1632
1633 if (fp->tx_br) {
1634 mtx_lock(&fp->tx_mtx);
1635
1636 while ((mp = drbr_dequeue(ifp, fp->tx_br)) != NULL) {
1637 m_freem(mp);
1638 }
1639 mtx_unlock(&fp->tx_mtx);
1640 }
1641 }
1642 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1643
1644 return;
1645 }
1646
1647 static void
qla_stop(qla_host_t * ha)1648 qla_stop(qla_host_t *ha)
1649 {
1650 struct ifnet *ifp = ha->ifp;
1651 device_t dev;
1652 int i = 0;
1653
1654 ql_sp_log(ha, 13, 0, 0, 0, 0, 0, 0);
1655
1656 dev = ha->pci_dev;
1657
1658 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1659 ha->qla_watchdog_pause = 1;
1660
1661 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1662 qla_tx_fp_t *fp;
1663
1664 fp = &ha->tx_fp[i];
1665
1666 if (fp == NULL)
1667 continue;
1668
1669 if (fp->tx_br != NULL) {
1670 mtx_lock(&fp->tx_mtx);
1671 mtx_unlock(&fp->tx_mtx);
1672 }
1673 }
1674
1675 while (!ha->qla_watchdog_paused)
1676 qla_mdelay(__func__, 1);
1677
1678 ha->qla_interface_up = 0;
1679
1680 qla_drain_fp_taskqueues(ha);
1681
1682 ql_del_hw_if(ha);
1683
1684 qla_free_xmt_bufs(ha);
1685 qla_free_rcv_bufs(ha);
1686
1687 return;
1688 }
1689
1690 /*
1691 * Buffer Management Functions for Transmit and Receive Rings
1692 */
1693 static int
qla_alloc_xmt_bufs(qla_host_t * ha)1694 qla_alloc_xmt_bufs(qla_host_t *ha)
1695 {
1696 int ret = 0;
1697 uint32_t i, j;
1698 qla_tx_buf_t *txb;
1699
1700 if (bus_dma_tag_create(NULL, /* parent */
1701 1, 0, /* alignment, bounds */
1702 BUS_SPACE_MAXADDR, /* lowaddr */
1703 BUS_SPACE_MAXADDR, /* highaddr */
1704 NULL, NULL, /* filter, filterarg */
1705 QLA_MAX_TSO_FRAME_SIZE, /* maxsize */
1706 QLA_MAX_SEGMENTS, /* nsegments */
1707 PAGE_SIZE, /* maxsegsize */
1708 BUS_DMA_ALLOCNOW, /* flags */
1709 NULL, /* lockfunc */
1710 NULL, /* lockfuncarg */
1711 &ha->tx_tag)) {
1712 device_printf(ha->pci_dev, "%s: tx_tag alloc failed\n",
1713 __func__);
1714 return (ENOMEM);
1715 }
1716
1717 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1718 bzero((void *)ha->tx_ring[i].tx_buf,
1719 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1720 }
1721
1722 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1723 for (i = 0; i < NUM_TX_DESCRIPTORS; i++) {
1724 txb = &ha->tx_ring[j].tx_buf[i];
1725
1726 if ((ret = bus_dmamap_create(ha->tx_tag,
1727 BUS_DMA_NOWAIT, &txb->map))) {
1728 ha->err_tx_dmamap_create++;
1729 device_printf(ha->pci_dev,
1730 "%s: bus_dmamap_create failed[%d]\n",
1731 __func__, ret);
1732
1733 qla_free_xmt_bufs(ha);
1734
1735 return (ret);
1736 }
1737 }
1738 }
1739
1740 return 0;
1741 }
1742
1743 /*
1744 * Release mbuf after it sent on the wire
1745 */
1746 static void
qla_clear_tx_buf(qla_host_t * ha,qla_tx_buf_t * txb)1747 qla_clear_tx_buf(qla_host_t *ha, qla_tx_buf_t *txb)
1748 {
1749 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1750
1751 if (txb->m_head) {
1752 bus_dmamap_sync(ha->tx_tag, txb->map,
1753 BUS_DMASYNC_POSTWRITE);
1754
1755 bus_dmamap_unload(ha->tx_tag, txb->map);
1756
1757 m_freem(txb->m_head);
1758 txb->m_head = NULL;
1759
1760 bus_dmamap_destroy(ha->tx_tag, txb->map);
1761 txb->map = NULL;
1762 }
1763
1764 if (txb->map) {
1765 bus_dmamap_unload(ha->tx_tag, txb->map);
1766 bus_dmamap_destroy(ha->tx_tag, txb->map);
1767 txb->map = NULL;
1768 }
1769
1770 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit\n", __func__));
1771 }
1772
1773 static void
qla_free_xmt_bufs(qla_host_t * ha)1774 qla_free_xmt_bufs(qla_host_t *ha)
1775 {
1776 int i, j;
1777
1778 for (j = 0; j < ha->hw.num_tx_rings; j++) {
1779 for (i = 0; i < NUM_TX_DESCRIPTORS; i++)
1780 qla_clear_tx_buf(ha, &ha->tx_ring[j].tx_buf[i]);
1781 }
1782
1783 if (ha->tx_tag != NULL) {
1784 bus_dma_tag_destroy(ha->tx_tag);
1785 ha->tx_tag = NULL;
1786 }
1787
1788 for (i = 0; i < ha->hw.num_tx_rings; i++) {
1789 bzero((void *)ha->tx_ring[i].tx_buf,
1790 (sizeof(qla_tx_buf_t) * NUM_TX_DESCRIPTORS));
1791 }
1792 return;
1793 }
1794
1795 static int
qla_alloc_rcv_std(qla_host_t * ha)1796 qla_alloc_rcv_std(qla_host_t *ha)
1797 {
1798 int i, j, k, r, ret = 0;
1799 qla_rx_buf_t *rxb;
1800 qla_rx_ring_t *rx_ring;
1801
1802 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1803 rx_ring = &ha->rx_ring[r];
1804
1805 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1806 rxb = &rx_ring->rx_buf[i];
1807
1808 ret = bus_dmamap_create(ha->rx_tag, BUS_DMA_NOWAIT,
1809 &rxb->map);
1810
1811 if (ret) {
1812 device_printf(ha->pci_dev,
1813 "%s: dmamap[%d, %d] failed\n",
1814 __func__, r, i);
1815
1816 for (k = 0; k < r; k++) {
1817 for (j = 0; j < NUM_RX_DESCRIPTORS;
1818 j++) {
1819 rxb = &ha->rx_ring[k].rx_buf[j];
1820 bus_dmamap_destroy(ha->rx_tag,
1821 rxb->map);
1822 }
1823 }
1824
1825 for (j = 0; j < i; j++) {
1826 bus_dmamap_destroy(ha->rx_tag,
1827 rx_ring->rx_buf[j].map);
1828 }
1829 goto qla_alloc_rcv_std_err;
1830 }
1831 }
1832 }
1833
1834 qla_init_hw_rcv_descriptors(ha);
1835
1836 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1837 rx_ring = &ha->rx_ring[r];
1838
1839 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1840 rxb = &rx_ring->rx_buf[i];
1841 rxb->handle = i;
1842 if (!(ret = ql_get_mbuf(ha, rxb, NULL))) {
1843 /*
1844 * set the physical address in the
1845 * corresponding descriptor entry in the
1846 * receive ring/queue for the hba
1847 */
1848 qla_set_hw_rcv_desc(ha, r, i, rxb->handle,
1849 rxb->paddr,
1850 (rxb->m_head)->m_pkthdr.len);
1851 } else {
1852 device_printf(ha->pci_dev,
1853 "%s: ql_get_mbuf [%d, %d] failed\n",
1854 __func__, r, i);
1855 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1856 goto qla_alloc_rcv_std_err;
1857 }
1858 }
1859 }
1860 return 0;
1861
1862 qla_alloc_rcv_std_err:
1863 return (-1);
1864 }
1865
1866 static void
qla_free_rcv_std(qla_host_t * ha)1867 qla_free_rcv_std(qla_host_t *ha)
1868 {
1869 int i, r;
1870 qla_rx_buf_t *rxb;
1871
1872 for (r = 0; r < ha->hw.num_rds_rings; r++) {
1873 for (i = 0; i < NUM_RX_DESCRIPTORS; i++) {
1874 rxb = &ha->rx_ring[r].rx_buf[i];
1875 if (rxb->m_head != NULL) {
1876 bus_dmamap_unload(ha->rx_tag, rxb->map);
1877 bus_dmamap_destroy(ha->rx_tag, rxb->map);
1878 m_freem(rxb->m_head);
1879 rxb->m_head = NULL;
1880 }
1881 }
1882 }
1883 return;
1884 }
1885
1886 static int
qla_alloc_rcv_bufs(qla_host_t * ha)1887 qla_alloc_rcv_bufs(qla_host_t *ha)
1888 {
1889 int i, ret = 0;
1890
1891 if (bus_dma_tag_create(NULL, /* parent */
1892 1, 0, /* alignment, bounds */
1893 BUS_SPACE_MAXADDR, /* lowaddr */
1894 BUS_SPACE_MAXADDR, /* highaddr */
1895 NULL, NULL, /* filter, filterarg */
1896 MJUM9BYTES, /* maxsize */
1897 1, /* nsegments */
1898 MJUM9BYTES, /* maxsegsize */
1899 BUS_DMA_ALLOCNOW, /* flags */
1900 NULL, /* lockfunc */
1901 NULL, /* lockfuncarg */
1902 &ha->rx_tag)) {
1903 device_printf(ha->pci_dev, "%s: rx_tag alloc failed\n",
1904 __func__);
1905
1906 return (ENOMEM);
1907 }
1908
1909 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1910
1911 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1912 ha->hw.sds[i].sdsr_next = 0;
1913 ha->hw.sds[i].rxb_free = NULL;
1914 ha->hw.sds[i].rx_free = 0;
1915 }
1916
1917 ret = qla_alloc_rcv_std(ha);
1918
1919 return (ret);
1920 }
1921
1922 static void
qla_free_rcv_bufs(qla_host_t * ha)1923 qla_free_rcv_bufs(qla_host_t *ha)
1924 {
1925 int i;
1926
1927 qla_free_rcv_std(ha);
1928
1929 if (ha->rx_tag != NULL) {
1930 bus_dma_tag_destroy(ha->rx_tag);
1931 ha->rx_tag = NULL;
1932 }
1933
1934 bzero((void *)ha->rx_ring, (sizeof(qla_rx_ring_t) * MAX_RDS_RINGS));
1935
1936 for (i = 0; i < ha->hw.num_sds_rings; i++) {
1937 ha->hw.sds[i].sdsr_next = 0;
1938 ha->hw.sds[i].rxb_free = NULL;
1939 ha->hw.sds[i].rx_free = 0;
1940 }
1941
1942 return;
1943 }
1944
1945 int
ql_get_mbuf(qla_host_t * ha,qla_rx_buf_t * rxb,struct mbuf * nmp)1946 ql_get_mbuf(qla_host_t *ha, qla_rx_buf_t *rxb, struct mbuf *nmp)
1947 {
1948 register struct mbuf *mp = nmp;
1949 struct ifnet *ifp;
1950 int ret = 0;
1951 uint32_t offset;
1952 bus_dma_segment_t segs[1];
1953 int nsegs, mbuf_size;
1954
1955 QL_DPRINT2(ha, (ha->pci_dev, "%s: enter\n", __func__));
1956
1957 ifp = ha->ifp;
1958
1959 if (ha->hw.enable_9kb)
1960 mbuf_size = MJUM9BYTES;
1961 else
1962 mbuf_size = MCLBYTES;
1963
1964 if (mp == NULL) {
1965 if (QL_ERR_INJECT(ha, INJCT_M_GETCL_M_GETJCL_FAILURE))
1966 return(-1);
1967
1968 if (ha->hw.enable_9kb)
1969 mp = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, mbuf_size);
1970 else
1971 mp = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1972
1973 if (mp == NULL) {
1974 ha->err_m_getcl++;
1975 ret = ENOBUFS;
1976 device_printf(ha->pci_dev,
1977 "%s: m_getcl failed\n", __func__);
1978 goto exit_ql_get_mbuf;
1979 }
1980 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1981 } else {
1982 mp->m_len = mp->m_pkthdr.len = mbuf_size;
1983 mp->m_data = mp->m_ext.ext_buf;
1984 mp->m_next = NULL;
1985 }
1986
1987 offset = (uint32_t)((unsigned long long)mp->m_data & 0x7ULL);
1988 if (offset) {
1989 offset = 8 - offset;
1990 m_adj(mp, offset);
1991 }
1992
1993 /*
1994 * Using memory from the mbuf cluster pool, invoke the bus_dma
1995 * machinery to arrange the memory mapping.
1996 */
1997 ret = bus_dmamap_load_mbuf_sg(ha->rx_tag, rxb->map,
1998 mp, segs, &nsegs, BUS_DMA_NOWAIT);
1999 rxb->paddr = segs[0].ds_addr;
2000
2001 if (ret || !rxb->paddr || (nsegs != 1)) {
2002 m_free(mp);
2003 rxb->m_head = NULL;
2004 device_printf(ha->pci_dev,
2005 "%s: bus_dmamap_load failed[%d, 0x%016llx, %d]\n",
2006 __func__, ret, (long long unsigned int)rxb->paddr,
2007 nsegs);
2008 ret = -1;
2009 goto exit_ql_get_mbuf;
2010 }
2011 rxb->m_head = mp;
2012 bus_dmamap_sync(ha->rx_tag, rxb->map, BUS_DMASYNC_PREREAD);
2013
2014 exit_ql_get_mbuf:
2015 QL_DPRINT2(ha, (ha->pci_dev, "%s: exit ret = 0x%08x\n", __func__, ret));
2016 return (ret);
2017 }
2018
2019 static void
qla_get_peer(qla_host_t * ha)2020 qla_get_peer(qla_host_t *ha)
2021 {
2022 device_t *peers;
2023 int count, i, slot;
2024 int my_slot = pci_get_slot(ha->pci_dev);
2025
2026 if (device_get_children(device_get_parent(ha->pci_dev), &peers, &count))
2027 return;
2028
2029 for (i = 0; i < count; i++) {
2030 slot = pci_get_slot(peers[i]);
2031
2032 if ((slot >= 0) && (slot == my_slot) &&
2033 (pci_get_device(peers[i]) ==
2034 pci_get_device(ha->pci_dev))) {
2035 if (ha->pci_dev != peers[i])
2036 ha->peer_dev = peers[i];
2037 }
2038 }
2039 }
2040
2041 static void
qla_send_msg_to_peer(qla_host_t * ha,uint32_t msg_to_peer)2042 qla_send_msg_to_peer(qla_host_t *ha, uint32_t msg_to_peer)
2043 {
2044 qla_host_t *ha_peer;
2045
2046 if (ha->peer_dev) {
2047 if ((ha_peer = device_get_softc(ha->peer_dev)) != NULL) {
2048 ha_peer->msg_from_peer = msg_to_peer;
2049 }
2050 }
2051 }
2052
2053 void
qla_set_error_recovery(qla_host_t * ha)2054 qla_set_error_recovery(qla_host_t *ha)
2055 {
2056 struct ifnet *ifp = ha->ifp;
2057
2058 if (!cold && ha->enable_error_recovery) {
2059 if (ifp)
2060 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2061 ha->qla_initiate_recovery = 1;
2062 } else
2063 ha->offline = 1;
2064 return;
2065 }
2066
2067 static void
qla_error_recovery(void * context,int pending)2068 qla_error_recovery(void *context, int pending)
2069 {
2070 qla_host_t *ha = context;
2071 uint32_t msecs_100 = 400;
2072 struct ifnet *ifp = ha->ifp;
2073 int i = 0;
2074
2075 device_printf(ha->pci_dev, "%s: enter\n", __func__);
2076 ha->hw.imd_compl = 1;
2077
2078 taskqueue_drain_all(ha->stats_tq);
2079 taskqueue_drain_all(ha->async_event_tq);
2080
2081 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2082 return;
2083
2084 device_printf(ha->pci_dev, "%s: ts_usecs = %ld start\n",
2085 __func__, qla_get_usec_timestamp());
2086
2087 if (ha->qla_interface_up) {
2088 qla_mdelay(__func__, 300);
2089
2090 //ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
2091
2092 for (i = 0; i < ha->hw.num_sds_rings; i++) {
2093 qla_tx_fp_t *fp;
2094
2095 fp = &ha->tx_fp[i];
2096
2097 if (fp == NULL)
2098 continue;
2099
2100 if (fp->tx_br != NULL) {
2101 mtx_lock(&fp->tx_mtx);
2102 mtx_unlock(&fp->tx_mtx);
2103 }
2104 }
2105 }
2106
2107 qla_drain_fp_taskqueues(ha);
2108
2109 if ((ha->pci_func & 0x1) == 0) {
2110 if (!ha->msg_from_peer) {
2111 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2112
2113 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) &&
2114 msecs_100--)
2115 qla_mdelay(__func__, 100);
2116 }
2117
2118 ha->msg_from_peer = 0;
2119
2120 if (ha->enable_minidump)
2121 ql_minidump(ha);
2122
2123 if (ha->enable_driverstate_dump)
2124 ql_capture_drvr_state(ha);
2125
2126 if (ql_init_hw(ha)) {
2127 device_printf(ha->pci_dev,
2128 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2129 __func__, qla_get_usec_timestamp());
2130 ha->offline = 1;
2131 goto qla_error_recovery_exit;
2132 }
2133
2134 if (ha->qla_interface_up) {
2135 qla_free_xmt_bufs(ha);
2136 qla_free_rcv_bufs(ha);
2137 }
2138
2139 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2140 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2141
2142 } else {
2143 if (ha->msg_from_peer == QL_PEER_MSG_RESET) {
2144 ha->msg_from_peer = 0;
2145
2146 if (!QL_ERR_INJECT(ha, INJCT_PEER_PORT_FAILURE_ERR_RECOVERY))
2147 qla_send_msg_to_peer(ha, QL_PEER_MSG_ACK);
2148 } else {
2149 qla_send_msg_to_peer(ha, QL_PEER_MSG_RESET);
2150 }
2151
2152 while ((ha->msg_from_peer != QL_PEER_MSG_ACK) && msecs_100--)
2153 qla_mdelay(__func__, 100);
2154 ha->msg_from_peer = 0;
2155
2156 if (ha->enable_driverstate_dump)
2157 ql_capture_drvr_state(ha);
2158
2159 if (msecs_100 == 0) {
2160 device_printf(ha->pci_dev,
2161 "%s: ts_usecs = %ld exit: QL_PEER_MSG_ACK not received\n",
2162 __func__, qla_get_usec_timestamp());
2163 ha->offline = 1;
2164 goto qla_error_recovery_exit;
2165 }
2166
2167 if (ql_init_hw(ha)) {
2168 device_printf(ha->pci_dev,
2169 "%s: ts_usecs = %ld exit: ql_init_hw failed\n",
2170 __func__, qla_get_usec_timestamp());
2171 ha->offline = 1;
2172 goto qla_error_recovery_exit;
2173 }
2174
2175 if (ha->qla_interface_up) {
2176 qla_free_xmt_bufs(ha);
2177 qla_free_rcv_bufs(ha);
2178 }
2179 }
2180
2181 qla_mdelay(__func__, ha->ms_delay_after_init);
2182
2183 *((uint32_t *)&ha->hw.flags) = 0;
2184 ha->qla_initiate_recovery = 0;
2185
2186 if (ha->qla_interface_up) {
2187 if (qla_alloc_xmt_bufs(ha) != 0) {
2188 ha->offline = 1;
2189 goto qla_error_recovery_exit;
2190 }
2191
2192 qla_confirm_9kb_enable(ha);
2193
2194 if (qla_alloc_rcv_bufs(ha) != 0) {
2195 ha->offline = 1;
2196 goto qla_error_recovery_exit;
2197 }
2198
2199 ha->stop_rcv = 0;
2200
2201 if (ql_init_hw_if(ha) == 0) {
2202 ifp = ha->ifp;
2203 ifp->if_drv_flags |= IFF_DRV_RUNNING;
2204 ha->qla_watchdog_pause = 0;
2205 ql_update_link_state(ha);
2206 } else {
2207 ha->offline = 1;
2208
2209 if (ha->hw.sp_log_stop_events &
2210 Q8_SP_LOG_STOP_IF_START_FAILURE)
2211 ha->hw.sp_log_stop = -1;
2212 }
2213 } else {
2214 ha->qla_watchdog_pause = 0;
2215 }
2216
2217 qla_error_recovery_exit:
2218
2219 if (ha->offline ) {
2220 device_printf(ha->pci_dev, "%s: ts_usecs = %ld port offline\n",
2221 __func__, qla_get_usec_timestamp());
2222 if (ha->hw.sp_log_stop_events &
2223 Q8_SP_LOG_STOP_ERR_RECOVERY_FAILURE)
2224 ha->hw.sp_log_stop = -1;
2225 }
2226
2227 QLA_UNLOCK(ha, __func__);
2228
2229 if (!ha->offline)
2230 callout_reset(&ha->tx_callout, QLA_WATCHDOG_CALLOUT_TICKS,
2231 qla_watchdog, ha);
2232
2233 device_printf(ha->pci_dev,
2234 "%s: ts_usecs = %ld exit\n",
2235 __func__, qla_get_usec_timestamp());
2236 return;
2237 }
2238
2239 static void
qla_async_event(void * context,int pending)2240 qla_async_event(void *context, int pending)
2241 {
2242 qla_host_t *ha = context;
2243
2244 if (QLA_LOCK(ha, __func__, -1, 0) != 0)
2245 return;
2246
2247 if (ha->async_event) {
2248 ha->async_event = 0;
2249 qla_hw_async_event(ha);
2250 }
2251
2252 QLA_UNLOCK(ha, __func__);
2253
2254 return;
2255 }
2256
2257 static void
qla_stats(void * context,int pending)2258 qla_stats(void *context, int pending)
2259 {
2260 qla_host_t *ha;
2261
2262 ha = context;
2263
2264 ql_get_stats(ha);
2265
2266 return;
2267 }
2268