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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
[deliverable/linux.git] / drivers / net / qlcnic / qlcnic_ctx.c
1 /*
2 * QLogic qlcnic NIC Driver
3 * Copyright (c) 2009-2010 QLogic Corporation
4 *
5 * See LICENSE.qlcnic for copyright and licensing details.
6 */
7
8 #include "qlcnic.h"
9
10 static u32
11 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
12 {
13 u32 rsp;
14 int timeout = 0;
15
16 do {
17 /* give atleast 1ms for firmware to respond */
18 msleep(1);
19
20 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
21 return QLCNIC_CDRP_RSP_TIMEOUT;
22
23 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET);
24 } while (!QLCNIC_CDRP_IS_RSP(rsp));
25
26 return rsp;
27 }
28
29 u32
30 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
31 u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
32 {
33 u32 rsp;
34 u32 signature;
35 u32 rcode = QLCNIC_RCODE_SUCCESS;
36 struct pci_dev *pdev = adapter->pdev;
37
38 signature = QLCNIC_CDRP_SIGNATURE_MAKE(pci_fn, version);
39
40 /* Acquire semaphore before accessing CRB */
41 if (qlcnic_api_lock(adapter))
42 return QLCNIC_RCODE_TIMEOUT;
43
44 QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
45 QLCWR32(adapter, QLCNIC_ARG1_CRB_OFFSET, arg1);
46 QLCWR32(adapter, QLCNIC_ARG2_CRB_OFFSET, arg2);
47 QLCWR32(adapter, QLCNIC_ARG3_CRB_OFFSET, arg3);
48 QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET, QLCNIC_CDRP_FORM_CMD(cmd));
49
50 rsp = qlcnic_poll_rsp(adapter);
51
52 if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
53 dev_err(&pdev->dev, "card response timeout.\n");
54 rcode = QLCNIC_RCODE_TIMEOUT;
55 } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
56 rcode = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
57 dev_err(&pdev->dev, "failed card response code:0x%x\n",
58 rcode);
59 }
60
61 /* Release semaphore */
62 qlcnic_api_unlock(adapter);
63
64 return rcode;
65 }
66
67 int
68 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
69 {
70 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
71
72 if (recv_ctx->state == QLCNIC_HOST_CTX_STATE_ACTIVE) {
73 if (qlcnic_issue_cmd(adapter,
74 adapter->ahw.pci_func,
75 adapter->fw_hal_version,
76 recv_ctx->context_id,
77 mtu,
78 0,
79 QLCNIC_CDRP_CMD_SET_MTU)) {
80
81 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
82 return -EIO;
83 }
84 }
85
86 return 0;
87 }
88
89 static int
90 qlcnic_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
91 {
92 void *addr;
93 struct qlcnic_hostrq_rx_ctx *prq;
94 struct qlcnic_cardrsp_rx_ctx *prsp;
95 struct qlcnic_hostrq_rds_ring *prq_rds;
96 struct qlcnic_hostrq_sds_ring *prq_sds;
97 struct qlcnic_cardrsp_rds_ring *prsp_rds;
98 struct qlcnic_cardrsp_sds_ring *prsp_sds;
99 struct qlcnic_host_rds_ring *rds_ring;
100 struct qlcnic_host_sds_ring *sds_ring;
101
102 dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
103 u64 phys_addr;
104
105 int i, nrds_rings, nsds_rings;
106 size_t rq_size, rsp_size;
107 u32 cap, reg, val, reg2;
108 int err;
109
110 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
111
112 nrds_rings = adapter->max_rds_rings;
113 nsds_rings = adapter->max_sds_rings;
114
115 rq_size =
116 SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
117 nsds_rings);
118 rsp_size =
119 SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
120 nsds_rings);
121
122 addr = pci_alloc_consistent(adapter->pdev,
123 rq_size, &hostrq_phys_addr);
124 if (addr == NULL)
125 return -ENOMEM;
126 prq = (struct qlcnic_hostrq_rx_ctx *)addr;
127
128 addr = pci_alloc_consistent(adapter->pdev,
129 rsp_size, &cardrsp_phys_addr);
130 if (addr == NULL) {
131 err = -ENOMEM;
132 goto out_free_rq;
133 }
134 prsp = (struct qlcnic_cardrsp_rx_ctx *)addr;
135
136 prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
137
138 cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
139 | QLCNIC_CAP0_VALIDOFF);
140 cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
141
142 prq->valid_field_offset = offsetof(struct qlcnic_hostrq_rx_ctx,
143 msix_handler);
144 prq->txrx_sds_binding = nsds_rings - 1;
145
146 prq->capabilities[0] = cpu_to_le32(cap);
147 prq->host_int_crb_mode =
148 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
149 prq->host_rds_crb_mode =
150 cpu_to_le32(QLCNIC_HOST_RDS_CRB_MODE_UNIQUE);
151
152 prq->num_rds_rings = cpu_to_le16(nrds_rings);
153 prq->num_sds_rings = cpu_to_le16(nsds_rings);
154 prq->rds_ring_offset = cpu_to_le32(0);
155
156 val = le32_to_cpu(prq->rds_ring_offset) +
157 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
158 prq->sds_ring_offset = cpu_to_le32(val);
159
160 prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
161 le32_to_cpu(prq->rds_ring_offset));
162
163 for (i = 0; i < nrds_rings; i++) {
164
165 rds_ring = &recv_ctx->rds_rings[i];
166 rds_ring->producer = 0;
167
168 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
169 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
170 prq_rds[i].ring_kind = cpu_to_le32(i);
171 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
172 }
173
174 prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
175 le32_to_cpu(prq->sds_ring_offset));
176
177 for (i = 0; i < nsds_rings; i++) {
178
179 sds_ring = &recv_ctx->sds_rings[i];
180 sds_ring->consumer = 0;
181 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
182
183 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
184 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
185 prq_sds[i].msi_index = cpu_to_le16(i);
186 }
187
188 phys_addr = hostrq_phys_addr;
189 err = qlcnic_issue_cmd(adapter,
190 adapter->ahw.pci_func,
191 adapter->fw_hal_version,
192 (u32)(phys_addr >> 32),
193 (u32)(phys_addr & 0xffffffff),
194 rq_size,
195 QLCNIC_CDRP_CMD_CREATE_RX_CTX);
196 if (err) {
197 dev_err(&adapter->pdev->dev,
198 "Failed to create rx ctx in firmware%d\n", err);
199 goto out_free_rsp;
200 }
201
202
203 prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
204 &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
205
206 for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
207 rds_ring = &recv_ctx->rds_rings[i];
208
209 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
210 rds_ring->crb_rcv_producer = adapter->ahw.pci_base0 + reg;
211 }
212
213 prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
214 &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
215
216 for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
217 sds_ring = &recv_ctx->sds_rings[i];
218
219 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
220 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
221
222 sds_ring->crb_sts_consumer = adapter->ahw.pci_base0 + reg;
223 sds_ring->crb_intr_mask = adapter->ahw.pci_base0 + reg2;
224 }
225
226 recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
227 recv_ctx->context_id = le16_to_cpu(prsp->context_id);
228 recv_ctx->virt_port = prsp->virt_port;
229
230 out_free_rsp:
231 pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
232 out_free_rq:
233 pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
234 return err;
235 }
236
237 static void
238 qlcnic_fw_cmd_destroy_rx_ctx(struct qlcnic_adapter *adapter)
239 {
240 struct qlcnic_recv_context *recv_ctx = &adapter->recv_ctx;
241
242 if (qlcnic_issue_cmd(adapter,
243 adapter->ahw.pci_func,
244 adapter->fw_hal_version,
245 recv_ctx->context_id,
246 QLCNIC_DESTROY_CTX_RESET,
247 0,
248 QLCNIC_CDRP_CMD_DESTROY_RX_CTX)) {
249
250 dev_err(&adapter->pdev->dev,
251 "Failed to destroy rx ctx in firmware\n");
252 }
253
254 recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
255 }
256
257 static int
258 qlcnic_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter)
259 {
260 struct qlcnic_hostrq_tx_ctx *prq;
261 struct qlcnic_hostrq_cds_ring *prq_cds;
262 struct qlcnic_cardrsp_tx_ctx *prsp;
263 void *rq_addr, *rsp_addr;
264 size_t rq_size, rsp_size;
265 u32 temp;
266 int err;
267 u64 phys_addr;
268 dma_addr_t rq_phys_addr, rsp_phys_addr;
269 struct qlcnic_host_tx_ring *tx_ring = adapter->tx_ring;
270
271 /* reset host resources */
272 tx_ring->producer = 0;
273 tx_ring->sw_consumer = 0;
274 *(tx_ring->hw_consumer) = 0;
275
276 rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
277 rq_addr = pci_alloc_consistent(adapter->pdev,
278 rq_size, &rq_phys_addr);
279 if (!rq_addr)
280 return -ENOMEM;
281
282 rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
283 rsp_addr = pci_alloc_consistent(adapter->pdev,
284 rsp_size, &rsp_phys_addr);
285 if (!rsp_addr) {
286 err = -ENOMEM;
287 goto out_free_rq;
288 }
289
290 memset(rq_addr, 0, rq_size);
291 prq = (struct qlcnic_hostrq_tx_ctx *)rq_addr;
292
293 memset(rsp_addr, 0, rsp_size);
294 prsp = (struct qlcnic_cardrsp_tx_ctx *)rsp_addr;
295
296 prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
297
298 temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
299 QLCNIC_CAP0_LSO);
300 prq->capabilities[0] = cpu_to_le32(temp);
301
302 prq->host_int_crb_mode =
303 cpu_to_le32(QLCNIC_HOST_INT_CRB_MODE_SHARED);
304
305 prq->interrupt_ctl = 0;
306 prq->msi_index = 0;
307 prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
308
309 prq_cds = &prq->cds_ring;
310
311 prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
312 prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
313
314 phys_addr = rq_phys_addr;
315 err = qlcnic_issue_cmd(adapter,
316 adapter->ahw.pci_func,
317 adapter->fw_hal_version,
318 (u32)(phys_addr >> 32),
319 ((u32)phys_addr & 0xffffffff),
320 rq_size,
321 QLCNIC_CDRP_CMD_CREATE_TX_CTX);
322
323 if (err == QLCNIC_RCODE_SUCCESS) {
324 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
325 tx_ring->crb_cmd_producer = adapter->ahw.pci_base0 + temp;
326
327 adapter->tx_context_id =
328 le16_to_cpu(prsp->context_id);
329 } else {
330 dev_err(&adapter->pdev->dev,
331 "Failed to create tx ctx in firmware%d\n", err);
332 err = -EIO;
333 }
334
335 pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
336
337 out_free_rq:
338 pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
339
340 return err;
341 }
342
343 static void
344 qlcnic_fw_cmd_destroy_tx_ctx(struct qlcnic_adapter *adapter)
345 {
346 if (qlcnic_issue_cmd(adapter,
347 adapter->ahw.pci_func,
348 adapter->fw_hal_version,
349 adapter->tx_context_id,
350 QLCNIC_DESTROY_CTX_RESET,
351 0,
352 QLCNIC_CDRP_CMD_DESTROY_TX_CTX)) {
353
354 dev_err(&adapter->pdev->dev,
355 "Failed to destroy tx ctx in firmware\n");
356 }
357 }
358
359 int
360 qlcnic_fw_cmd_query_phy(struct qlcnic_adapter *adapter, u32 reg, u32 *val)
361 {
362
363 if (qlcnic_issue_cmd(adapter,
364 adapter->ahw.pci_func,
365 adapter->fw_hal_version,
366 reg,
367 0,
368 0,
369 QLCNIC_CDRP_CMD_READ_PHY)) {
370
371 return -EIO;
372 }
373
374 return QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
375 }
376
377 int
378 qlcnic_fw_cmd_set_phy(struct qlcnic_adapter *adapter, u32 reg, u32 val)
379 {
380 return qlcnic_issue_cmd(adapter,
381 adapter->ahw.pci_func,
382 adapter->fw_hal_version,
383 reg,
384 val,
385 0,
386 QLCNIC_CDRP_CMD_WRITE_PHY);
387 }
388
389 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
390 {
391 void *addr;
392 int err;
393 int ring;
394 struct qlcnic_recv_context *recv_ctx;
395 struct qlcnic_host_rds_ring *rds_ring;
396 struct qlcnic_host_sds_ring *sds_ring;
397 struct qlcnic_host_tx_ring *tx_ring;
398
399 struct pci_dev *pdev = adapter->pdev;
400
401 recv_ctx = &adapter->recv_ctx;
402 tx_ring = adapter->tx_ring;
403
404 tx_ring->hw_consumer = (__le32 *)pci_alloc_consistent(pdev, sizeof(u32),
405 &tx_ring->hw_cons_phys_addr);
406 if (tx_ring->hw_consumer == NULL) {
407 dev_err(&pdev->dev, "failed to allocate tx consumer\n");
408 return -ENOMEM;
409 }
410 *(tx_ring->hw_consumer) = 0;
411
412 /* cmd desc ring */
413 addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
414 &tx_ring->phys_addr);
415
416 if (addr == NULL) {
417 dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
418 err = -ENOMEM;
419 goto err_out_free;
420 }
421
422 tx_ring->desc_head = (struct cmd_desc_type0 *)addr;
423
424 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
425 rds_ring = &recv_ctx->rds_rings[ring];
426 addr = pci_alloc_consistent(adapter->pdev,
427 RCV_DESC_RINGSIZE(rds_ring),
428 &rds_ring->phys_addr);
429 if (addr == NULL) {
430 dev_err(&pdev->dev,
431 "failed to allocate rds ring [%d]\n", ring);
432 err = -ENOMEM;
433 goto err_out_free;
434 }
435 rds_ring->desc_head = (struct rcv_desc *)addr;
436
437 }
438
439 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
440 sds_ring = &recv_ctx->sds_rings[ring];
441
442 addr = pci_alloc_consistent(adapter->pdev,
443 STATUS_DESC_RINGSIZE(sds_ring),
444 &sds_ring->phys_addr);
445 if (addr == NULL) {
446 dev_err(&pdev->dev,
447 "failed to allocate sds ring [%d]\n", ring);
448 err = -ENOMEM;
449 goto err_out_free;
450 }
451 sds_ring->desc_head = (struct status_desc *)addr;
452 }
453
454 return 0;
455
456 err_out_free:
457 qlcnic_free_hw_resources(adapter);
458 return err;
459 }
460
461
462 int qlcnic_fw_create_ctx(struct qlcnic_adapter *adapter)
463 {
464 int err;
465
466 if (adapter->flags & QLCNIC_NEED_FLR) {
467 pci_reset_function(adapter->pdev);
468 adapter->flags &= ~QLCNIC_NEED_FLR;
469 }
470
471 err = qlcnic_fw_cmd_create_rx_ctx(adapter);
472 if (err)
473 return err;
474
475 err = qlcnic_fw_cmd_create_tx_ctx(adapter);
476 if (err) {
477 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
478 return err;
479 }
480
481 set_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
482 return 0;
483 }
484
485 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
486 {
487 if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
488 qlcnic_fw_cmd_destroy_rx_ctx(adapter);
489 qlcnic_fw_cmd_destroy_tx_ctx(adapter);
490
491 /* Allow dma queues to drain after context reset */
492 msleep(20);
493 }
494 }
495
496 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
497 {
498 struct qlcnic_recv_context *recv_ctx;
499 struct qlcnic_host_rds_ring *rds_ring;
500 struct qlcnic_host_sds_ring *sds_ring;
501 struct qlcnic_host_tx_ring *tx_ring;
502 int ring;
503
504 recv_ctx = &adapter->recv_ctx;
505
506 tx_ring = adapter->tx_ring;
507 if (tx_ring->hw_consumer != NULL) {
508 pci_free_consistent(adapter->pdev,
509 sizeof(u32),
510 tx_ring->hw_consumer,
511 tx_ring->hw_cons_phys_addr);
512 tx_ring->hw_consumer = NULL;
513 }
514
515 if (tx_ring->desc_head != NULL) {
516 pci_free_consistent(adapter->pdev,
517 TX_DESC_RINGSIZE(tx_ring),
518 tx_ring->desc_head, tx_ring->phys_addr);
519 tx_ring->desc_head = NULL;
520 }
521
522 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
523 rds_ring = &recv_ctx->rds_rings[ring];
524
525 if (rds_ring->desc_head != NULL) {
526 pci_free_consistent(adapter->pdev,
527 RCV_DESC_RINGSIZE(rds_ring),
528 rds_ring->desc_head,
529 rds_ring->phys_addr);
530 rds_ring->desc_head = NULL;
531 }
532 }
533
534 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
535 sds_ring = &recv_ctx->sds_rings[ring];
536
537 if (sds_ring->desc_head != NULL) {
538 pci_free_consistent(adapter->pdev,
539 STATUS_DESC_RINGSIZE(sds_ring),
540 sds_ring->desc_head,
541 sds_ring->phys_addr);
542 sds_ring->desc_head = NULL;
543 }
544 }
545 }
546
547
548 /* Get MAC address of a NIC partition */
549 int qlcnic_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac)
550 {
551 int err;
552 u32 arg1;
553
554 arg1 = adapter->ahw.pci_func | BIT_8;
555 err = qlcnic_issue_cmd(adapter,
556 adapter->ahw.pci_func,
557 adapter->fw_hal_version,
558 arg1,
559 0,
560 0,
561 QLCNIC_CDRP_CMD_MAC_ADDRESS);
562
563 if (err == QLCNIC_RCODE_SUCCESS)
564 qlcnic_fetch_mac(adapter, QLCNIC_ARG1_CRB_OFFSET,
565 QLCNIC_ARG2_CRB_OFFSET, 0, mac);
566 else {
567 dev_err(&adapter->pdev->dev,
568 "Failed to get mac address%d\n", err);
569 err = -EIO;
570 }
571
572 return err;
573 }
574
575 /* Get info of a NIC partition */
576 int qlcnic_get_nic_info(struct qlcnic_adapter *adapter,
577 struct qlcnic_info *npar_info, u8 func_id)
578 {
579 int err;
580 dma_addr_t nic_dma_t;
581 struct qlcnic_info *nic_info;
582 void *nic_info_addr;
583 size_t nic_size = sizeof(struct qlcnic_info);
584
585 nic_info_addr = pci_alloc_consistent(adapter->pdev,
586 nic_size, &nic_dma_t);
587 if (!nic_info_addr)
588 return -ENOMEM;
589 memset(nic_info_addr, 0, nic_size);
590
591 nic_info = (struct qlcnic_info *) nic_info_addr;
592 err = qlcnic_issue_cmd(adapter,
593 adapter->ahw.pci_func,
594 adapter->fw_hal_version,
595 MSD(nic_dma_t),
596 LSD(nic_dma_t),
597 (func_id << 16 | nic_size),
598 QLCNIC_CDRP_CMD_GET_NIC_INFO);
599
600 if (err == QLCNIC_RCODE_SUCCESS) {
601 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
602 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
603 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
604 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
605 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
606 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
607 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
608 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
609 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
610 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
611
612 dev_info(&adapter->pdev->dev,
613 "phy port: %d switch_mode: %d,\n"
614 "\tmax_tx_q: %d max_rx_q: %d min_tx_bw: 0x%x,\n"
615 "\tmax_tx_bw: 0x%x max_mtu:0x%x, capabilities: 0x%x\n",
616 npar_info->phys_port, npar_info->switch_mode,
617 npar_info->max_tx_ques, npar_info->max_rx_ques,
618 npar_info->min_tx_bw, npar_info->max_tx_bw,
619 npar_info->max_mtu, npar_info->capabilities);
620 } else {
621 dev_err(&adapter->pdev->dev,
622 "Failed to get nic info%d\n", err);
623 err = -EIO;
624 }
625
626 pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
627 return err;
628 }
629
630 /* Configure a NIC partition */
631 int qlcnic_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic)
632 {
633 int err = -EIO;
634 dma_addr_t nic_dma_t;
635 void *nic_info_addr;
636 struct qlcnic_info *nic_info;
637 size_t nic_size = sizeof(struct qlcnic_info);
638
639 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
640 return err;
641
642 nic_info_addr = pci_alloc_consistent(adapter->pdev, nic_size,
643 &nic_dma_t);
644 if (!nic_info_addr)
645 return -ENOMEM;
646
647 memset(nic_info_addr, 0, nic_size);
648 nic_info = (struct qlcnic_info *)nic_info_addr;
649
650 nic_info->pci_func = cpu_to_le16(nic->pci_func);
651 nic_info->op_mode = cpu_to_le16(nic->op_mode);
652 nic_info->phys_port = cpu_to_le16(nic->phys_port);
653 nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
654 nic_info->capabilities = cpu_to_le32(nic->capabilities);
655 nic_info->max_mac_filters = nic->max_mac_filters;
656 nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
657 nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
658 nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
659 nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
660
661 err = qlcnic_issue_cmd(adapter,
662 adapter->ahw.pci_func,
663 adapter->fw_hal_version,
664 MSD(nic_dma_t),
665 LSD(nic_dma_t),
666 ((nic->pci_func << 16) | nic_size),
667 QLCNIC_CDRP_CMD_SET_NIC_INFO);
668
669 if (err != QLCNIC_RCODE_SUCCESS) {
670 dev_err(&adapter->pdev->dev,
671 "Failed to set nic info%d\n", err);
672 err = -EIO;
673 }
674
675 pci_free_consistent(adapter->pdev, nic_size, nic_info_addr, nic_dma_t);
676 return err;
677 }
678
679 /* Get PCI Info of a partition */
680 int qlcnic_get_pci_info(struct qlcnic_adapter *adapter,
681 struct qlcnic_pci_info *pci_info)
682 {
683 int err = 0, i;
684 dma_addr_t pci_info_dma_t;
685 struct qlcnic_pci_info *npar;
686 void *pci_info_addr;
687 size_t npar_size = sizeof(struct qlcnic_pci_info);
688 size_t pci_size = npar_size * QLCNIC_MAX_PCI_FUNC;
689
690 pci_info_addr = pci_alloc_consistent(adapter->pdev, pci_size,
691 &pci_info_dma_t);
692 if (!pci_info_addr)
693 return -ENOMEM;
694 memset(pci_info_addr, 0, pci_size);
695
696 npar = (struct qlcnic_pci_info *) pci_info_addr;
697 err = qlcnic_issue_cmd(adapter,
698 adapter->ahw.pci_func,
699 adapter->fw_hal_version,
700 MSD(pci_info_dma_t),
701 LSD(pci_info_dma_t),
702 pci_size,
703 QLCNIC_CDRP_CMD_GET_PCI_INFO);
704
705 if (err == QLCNIC_RCODE_SUCCESS) {
706 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++, npar++, pci_info++) {
707 pci_info->id = le16_to_cpu(npar->id);
708 pci_info->active = le16_to_cpu(npar->active);
709 pci_info->type = le16_to_cpu(npar->type);
710 pci_info->default_port =
711 le16_to_cpu(npar->default_port);
712 pci_info->tx_min_bw =
713 le16_to_cpu(npar->tx_min_bw);
714 pci_info->tx_max_bw =
715 le16_to_cpu(npar->tx_max_bw);
716 memcpy(pci_info->mac, npar->mac, ETH_ALEN);
717 }
718 } else {
719 dev_err(&adapter->pdev->dev,
720 "Failed to get PCI Info%d\n", err);
721 err = -EIO;
722 }
723
724 pci_free_consistent(adapter->pdev, pci_size, pci_info_addr,
725 pci_info_dma_t);
726 return err;
727 }
728
729 /* Configure eSwitch for port mirroring */
730 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
731 u8 enable_mirroring, u8 pci_func)
732 {
733 int err = -EIO;
734 u32 arg1;
735
736 if (adapter->op_mode != QLCNIC_MGMT_FUNC ||
737 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE))
738 return err;
739
740 arg1 = id | (enable_mirroring ? BIT_4 : 0);
741 arg1 |= pci_func << 8;
742
743 err = qlcnic_issue_cmd(adapter,
744 adapter->ahw.pci_func,
745 adapter->fw_hal_version,
746 arg1,
747 0,
748 0,
749 QLCNIC_CDRP_CMD_SET_PORTMIRRORING);
750
751 if (err != QLCNIC_RCODE_SUCCESS) {
752 dev_err(&adapter->pdev->dev,
753 "Failed to configure port mirroring%d on eswitch:%d\n",
754 pci_func, id);
755 } else {
756 dev_info(&adapter->pdev->dev,
757 "Configured eSwitch %d for port mirroring:%d\n",
758 id, pci_func);
759 }
760
761 return err;
762 }
763
764 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
765 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
766
767 size_t stats_size = sizeof(struct __qlcnic_esw_statistics);
768 struct __qlcnic_esw_statistics *stats;
769 dma_addr_t stats_dma_t;
770 void *stats_addr;
771 u32 arg1;
772 int err;
773
774 if (esw_stats == NULL)
775 return -ENOMEM;
776
777 if (adapter->op_mode != QLCNIC_MGMT_FUNC &&
778 func != adapter->ahw.pci_func) {
779 dev_err(&adapter->pdev->dev,
780 "Not privilege to query stats for func=%d", func);
781 return -EIO;
782 }
783
784 stats_addr = pci_alloc_consistent(adapter->pdev, stats_size,
785 &stats_dma_t);
786 if (!stats_addr) {
787 dev_err(&adapter->pdev->dev, "Unable to allocate memory\n");
788 return -ENOMEM;
789 }
790 memset(stats_addr, 0, stats_size);
791
792 arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
793 arg1 |= rx_tx << 15 | stats_size << 16;
794
795 err = qlcnic_issue_cmd(adapter,
796 adapter->ahw.pci_func,
797 adapter->fw_hal_version,
798 arg1,
799 MSD(stats_dma_t),
800 LSD(stats_dma_t),
801 QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
802
803 if (!err) {
804 stats = (struct __qlcnic_esw_statistics *)stats_addr;
805 esw_stats->context_id = le16_to_cpu(stats->context_id);
806 esw_stats->version = le16_to_cpu(stats->version);
807 esw_stats->size = le16_to_cpu(stats->size);
808 esw_stats->multicast_frames =
809 le64_to_cpu(stats->multicast_frames);
810 esw_stats->broadcast_frames =
811 le64_to_cpu(stats->broadcast_frames);
812 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
813 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
814 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
815 esw_stats->errors = le64_to_cpu(stats->errors);
816 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
817 }
818
819 pci_free_consistent(adapter->pdev, stats_size, stats_addr,
820 stats_dma_t);
821 return err;
822 }
823
824 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
825 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
826
827 struct __qlcnic_esw_statistics port_stats;
828 u8 i;
829 int ret = -EIO;
830
831 if (esw_stats == NULL)
832 return -ENOMEM;
833 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
834 return -EIO;
835 if (adapter->npars == NULL)
836 return -EIO;
837
838 memset(esw_stats, 0, sizeof(u64));
839 esw_stats->unicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
840 esw_stats->multicast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
841 esw_stats->broadcast_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
842 esw_stats->dropped_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
843 esw_stats->errors = QLCNIC_ESW_STATS_NOT_AVAIL;
844 esw_stats->local_frames = QLCNIC_ESW_STATS_NOT_AVAIL;
845 esw_stats->numbytes = QLCNIC_ESW_STATS_NOT_AVAIL;
846 esw_stats->context_id = eswitch;
847
848 for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
849 if (adapter->npars[i].phy_port != eswitch)
850 continue;
851
852 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
853 if (qlcnic_get_port_stats(adapter, i, rx_tx, &port_stats))
854 continue;
855
856 esw_stats->size = port_stats.size;
857 esw_stats->version = port_stats.version;
858 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
859 port_stats.unicast_frames);
860 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
861 port_stats.multicast_frames);
862 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
863 port_stats.broadcast_frames);
864 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
865 port_stats.dropped_frames);
866 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
867 port_stats.errors);
868 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
869 port_stats.local_frames);
870 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
871 port_stats.numbytes);
872 ret = 0;
873 }
874 return ret;
875 }
876
877 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
878 const u8 port, const u8 rx_tx)
879 {
880
881 u32 arg1;
882
883 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
884 return -EIO;
885
886 if (func_esw == QLCNIC_STATS_PORT) {
887 if (port >= QLCNIC_MAX_PCI_FUNC)
888 goto err_ret;
889 } else if (func_esw == QLCNIC_STATS_ESWITCH) {
890 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
891 goto err_ret;
892 } else {
893 goto err_ret;
894 }
895
896 if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
897 goto err_ret;
898
899 arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
900 arg1 |= BIT_14 | rx_tx << 15;
901
902 return qlcnic_issue_cmd(adapter,
903 adapter->ahw.pci_func,
904 adapter->fw_hal_version,
905 arg1,
906 0,
907 0,
908 QLCNIC_CDRP_CMD_GET_ESWITCH_STATS);
909
910 err_ret:
911 dev_err(&adapter->pdev->dev, "Invalid argument func_esw=%d port=%d"
912 "rx_ctx=%d\n", func_esw, port, rx_tx);
913 return -EIO;
914 }
915
916 static int
917 __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
918 u32 *arg1, u32 *arg2)
919 {
920 int err = -EIO;
921 u8 pci_func;
922 pci_func = (*arg1 >> 8);
923 err = qlcnic_issue_cmd(adapter,
924 adapter->ahw.pci_func,
925 adapter->fw_hal_version,
926 *arg1,
927 0,
928 0,
929 QLCNIC_CDRP_CMD_GET_ESWITCH_PORT_CONFIG);
930
931 if (err == QLCNIC_RCODE_SUCCESS) {
932 *arg1 = QLCRD32(adapter, QLCNIC_ARG1_CRB_OFFSET);
933 *arg2 = QLCRD32(adapter, QLCNIC_ARG2_CRB_OFFSET);
934 dev_info(&adapter->pdev->dev,
935 "eSwitch port config for pci func %d\n", pci_func);
936 } else {
937 dev_err(&adapter->pdev->dev,
938 "Failed to get eswitch port config for pci func %d\n",
939 pci_func);
940 }
941 return err;
942 }
943 /* Configure eSwitch port
944 op_mode = 0 for setting default port behavior
945 op_mode = 1 for setting vlan id
946 op_mode = 2 for deleting vlan id
947 op_type = 0 for vlan_id
948 op_type = 1 for port vlan_id
949 */
950 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
951 struct qlcnic_esw_func_cfg *esw_cfg)
952 {
953 int err = -EIO;
954 u32 arg1, arg2 = 0;
955 u8 pci_func;
956
957 if (adapter->op_mode != QLCNIC_MGMT_FUNC)
958 return err;
959 pci_func = esw_cfg->pci_func;
960 arg1 = (adapter->npars[pci_func].phy_port & BIT_0);
961 arg1 |= (pci_func << 8);
962
963 if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
964 return err;
965 arg1 &= ~(0x0ff << 8);
966 arg1 |= (pci_func << 8);
967 arg1 &= ~(BIT_2 | BIT_3);
968 switch (esw_cfg->op_mode) {
969 case QLCNIC_PORT_DEFAULTS:
970 arg1 |= (BIT_4 | BIT_6 | BIT_7);
971 arg2 |= (BIT_0 | BIT_1);
972 if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO)
973 arg2 |= (BIT_2 | BIT_3);
974 if (!(esw_cfg->discard_tagged))
975 arg1 &= ~BIT_4;
976 if (!(esw_cfg->promisc_mode))
977 arg1 &= ~BIT_6;
978 if (!(esw_cfg->mac_override))
979 arg1 &= ~BIT_7;
980 if (!(esw_cfg->mac_anti_spoof))
981 arg2 &= ~BIT_0;
982 if (!(esw_cfg->offload_flags & BIT_0))
983 arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
984 if (!(esw_cfg->offload_flags & BIT_1))
985 arg2 &= ~BIT_2;
986 if (!(esw_cfg->offload_flags & BIT_2))
987 arg2 &= ~BIT_3;
988 break;
989 case QLCNIC_ADD_VLAN:
990 arg1 |= (BIT_2 | BIT_5);
991 arg1 |= (esw_cfg->vlan_id << 16);
992 break;
993 case QLCNIC_DEL_VLAN:
994 arg1 |= (BIT_3 | BIT_5);
995 arg1 &= ~(0x0ffff << 16);
996 break;
997 default:
998 return err;
999 }
1000
1001 err = qlcnic_issue_cmd(adapter,
1002 adapter->ahw.pci_func,
1003 adapter->fw_hal_version,
1004 arg1,
1005 arg2,
1006 0,
1007 QLCNIC_CDRP_CMD_CONFIGURE_ESWITCH);
1008
1009 if (err != QLCNIC_RCODE_SUCCESS) {
1010 dev_err(&adapter->pdev->dev,
1011 "Failed to configure eswitch pci func %d\n", pci_func);
1012 } else {
1013 dev_info(&adapter->pdev->dev,
1014 "Configured eSwitch for pci func %d\n", pci_func);
1015 }
1016
1017 return err;
1018 }
1019
1020 int
1021 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1022 struct qlcnic_esw_func_cfg *esw_cfg)
1023 {
1024 u32 arg1, arg2;
1025 u8 phy_port;
1026 if (adapter->op_mode == QLCNIC_MGMT_FUNC)
1027 phy_port = adapter->npars[esw_cfg->pci_func].phy_port;
1028 else
1029 phy_port = adapter->physical_port;
1030 arg1 = phy_port;
1031 arg1 |= (esw_cfg->pci_func << 8);
1032 if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1033 return -EIO;
1034
1035 esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1036 esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1037 esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1038 esw_cfg->mac_override = !!(arg1 & BIT_7);
1039 esw_cfg->vlan_id = LSW(arg1 >> 16);
1040 esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1041 esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1042
1043 return 0;
1044 }
Linux kernel - Deliverables
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