1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * QLogic qlcnic NIC Driver
4 * Copyright (c) 2009-2013 QLogic Corporation
5 */
6
7 #include "qlcnic.h"
8
9 static const struct qlcnic_mailbox_metadata qlcnic_mbx_tbl[] = {
10 {QLCNIC_CMD_CREATE_RX_CTX, 4, 1},
11 {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1},
12 {QLCNIC_CMD_CREATE_TX_CTX, 4, 1},
13 {QLCNIC_CMD_DESTROY_TX_CTX, 3, 1},
14 {QLCNIC_CMD_INTRPT_TEST, 4, 1},
15 {QLCNIC_CMD_SET_MTU, 4, 1},
16 {QLCNIC_CMD_READ_PHY, 4, 2},
17 {QLCNIC_CMD_WRITE_PHY, 5, 1},
18 {QLCNIC_CMD_READ_HW_REG, 4, 1},
19 {QLCNIC_CMD_GET_FLOW_CTL, 4, 2},
20 {QLCNIC_CMD_SET_FLOW_CTL, 4, 1},
21 {QLCNIC_CMD_READ_MAX_MTU, 4, 2},
22 {QLCNIC_CMD_READ_MAX_LRO, 4, 2},
23 {QLCNIC_CMD_MAC_ADDRESS, 4, 3},
24 {QLCNIC_CMD_GET_PCI_INFO, 4, 1},
25 {QLCNIC_CMD_GET_NIC_INFO, 4, 1},
26 {QLCNIC_CMD_SET_NIC_INFO, 4, 1},
27 {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3},
28 {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1},
29 {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3},
30 {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1},
31 {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1},
32 {QLCNIC_CMD_GET_MAC_STATS, 4, 1},
33 {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3},
34 {QLCNIC_CMD_GET_ESWITCH_STATS, 4, 1},
35 {QLCNIC_CMD_CONFIG_PORT, 4, 1},
36 {QLCNIC_CMD_TEMP_SIZE, 4, 4},
37 {QLCNIC_CMD_GET_TEMP_HDR, 4, 1},
38 {QLCNIC_CMD_82XX_SET_DRV_VER, 4, 1},
39 {QLCNIC_CMD_GET_LED_STATUS, 4, 2},
40 {QLCNIC_CMD_MQ_TX_CONFIG_INTR, 2, 3},
41 {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2},
42 {QLCNIC_CMD_DCB_QUERY_PARAM, 4, 1},
43 };
44
qlcnic_get_cmd_signature(struct qlcnic_hardware_context * ahw)45 static inline u32 qlcnic_get_cmd_signature(struct qlcnic_hardware_context *ahw)
46 {
47 return (ahw->pci_func & 0xff) | ((ahw->fw_hal_version & 0xff) << 8) |
48 (0xcafe << 16);
49 }
50
51 /* Allocate mailbox registers */
qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args * mbx,struct qlcnic_adapter * adapter,u32 type)52 int qlcnic_82xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx,
53 struct qlcnic_adapter *adapter, u32 type)
54 {
55 int i, size;
56 const struct qlcnic_mailbox_metadata *mbx_tbl;
57
58 mbx_tbl = qlcnic_mbx_tbl;
59 size = ARRAY_SIZE(qlcnic_mbx_tbl);
60 for (i = 0; i < size; i++) {
61 if (type == mbx_tbl[i].cmd) {
62 mbx->req.num = mbx_tbl[i].in_args;
63 mbx->rsp.num = mbx_tbl[i].out_args;
64 mbx->req.arg = kcalloc(mbx->req.num,
65 sizeof(u32), GFP_ATOMIC);
66 if (!mbx->req.arg)
67 return -ENOMEM;
68 mbx->rsp.arg = kcalloc(mbx->rsp.num,
69 sizeof(u32), GFP_ATOMIC);
70 if (!mbx->rsp.arg) {
71 kfree(mbx->req.arg);
72 mbx->req.arg = NULL;
73 return -ENOMEM;
74 }
75 mbx->req.arg[0] = type;
76 break;
77 }
78 }
79 return 0;
80 }
81
82 /* Free up mailbox registers */
qlcnic_free_mbx_args(struct qlcnic_cmd_args * cmd)83 void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd)
84 {
85 kfree(cmd->req.arg);
86 cmd->req.arg = NULL;
87 kfree(cmd->rsp.arg);
88 cmd->rsp.arg = NULL;
89 }
90
91 static u32
qlcnic_poll_rsp(struct qlcnic_adapter * adapter)92 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
93 {
94 u32 rsp;
95 int timeout = 0, err = 0;
96
97 do {
98 /* give atleast 1ms for firmware to respond */
99 mdelay(1);
100
101 if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
102 return QLCNIC_CDRP_RSP_TIMEOUT;
103
104 rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err);
105 } while (!QLCNIC_CDRP_IS_RSP(rsp));
106
107 return rsp;
108 }
109
qlcnic_82xx_issue_cmd(struct qlcnic_adapter * adapter,struct qlcnic_cmd_args * cmd)110 int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter,
111 struct qlcnic_cmd_args *cmd)
112 {
113 int i, err = 0;
114 u32 rsp;
115 u32 signature;
116 struct pci_dev *pdev = adapter->pdev;
117 struct qlcnic_hardware_context *ahw = adapter->ahw;
118 const char *fmt;
119
120 signature = qlcnic_get_cmd_signature(ahw);
121
122 /* Acquire semaphore before accessing CRB */
123 if (qlcnic_api_lock(adapter)) {
124 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
125 return cmd->rsp.arg[0];
126 }
127
128 QLCWR32(adapter, QLCNIC_SIGN_CRB_OFFSET, signature);
129 for (i = 1; i < cmd->req.num; i++)
130 QLCWR32(adapter, QLCNIC_CDRP_ARG(i), cmd->req.arg[i]);
131 QLCWR32(adapter, QLCNIC_CDRP_CRB_OFFSET,
132 QLCNIC_CDRP_FORM_CMD(cmd->req.arg[0]));
133 rsp = qlcnic_poll_rsp(adapter);
134
135 if (rsp == QLCNIC_CDRP_RSP_TIMEOUT) {
136 dev_err(&pdev->dev, "command timeout, response = 0x%x\n", rsp);
137 cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT;
138 } else if (rsp == QLCNIC_CDRP_RSP_FAIL) {
139 cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err);
140 switch (cmd->rsp.arg[0]) {
141 case QLCNIC_RCODE_INVALID_ARGS:
142 fmt = "CDRP invalid args: [%d]\n";
143 break;
144 case QLCNIC_RCODE_NOT_SUPPORTED:
145 case QLCNIC_RCODE_NOT_IMPL:
146 fmt = "CDRP command not supported: [%d]\n";
147 break;
148 case QLCNIC_RCODE_NOT_PERMITTED:
149 fmt = "CDRP requested action not permitted: [%d]\n";
150 break;
151 case QLCNIC_RCODE_INVALID:
152 fmt = "CDRP invalid or unknown cmd received: [%d]\n";
153 break;
154 case QLCNIC_RCODE_TIMEOUT:
155 fmt = "CDRP command timeout: [%d]\n";
156 break;
157 default:
158 fmt = "CDRP command failed: [%d]\n";
159 break;
160 }
161 dev_err(&pdev->dev, fmt, cmd->rsp.arg[0]);
162 qlcnic_dump_mbx(adapter, cmd);
163 } else if (rsp == QLCNIC_CDRP_RSP_OK)
164 cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS;
165
166 for (i = 1; i < cmd->rsp.num; i++)
167 cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err);
168
169 /* Release semaphore */
170 qlcnic_api_unlock(adapter);
171 return cmd->rsp.arg[0];
172 }
173
qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter * adapter,u32 fw_cmd)174 int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd)
175 {
176 struct qlcnic_cmd_args cmd;
177 u32 arg1, arg2, arg3;
178 char drv_string[12];
179 int err = 0;
180
181 memset(drv_string, 0, sizeof(drv_string));
182 snprintf(drv_string, sizeof(drv_string), "%d"".""%d"".""%d",
183 _QLCNIC_LINUX_MAJOR, _QLCNIC_LINUX_MINOR,
184 _QLCNIC_LINUX_SUBVERSION);
185
186 err = qlcnic_alloc_mbx_args(&cmd, adapter, fw_cmd);
187 if (err)
188 return err;
189
190 memcpy(&arg1, drv_string, sizeof(u32));
191 memcpy(&arg2, drv_string + 4, sizeof(u32));
192 memcpy(&arg3, drv_string + 8, sizeof(u32));
193
194 cmd.req.arg[1] = arg1;
195 cmd.req.arg[2] = arg2;
196 cmd.req.arg[3] = arg3;
197
198 err = qlcnic_issue_cmd(adapter, &cmd);
199 if (err) {
200 dev_info(&adapter->pdev->dev,
201 "Failed to set driver version in firmware\n");
202 err = -EIO;
203 }
204 qlcnic_free_mbx_args(&cmd);
205 return err;
206 }
207
208 int
qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter * adapter,int mtu)209 qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu)
210 {
211 int err = 0;
212 struct qlcnic_cmd_args cmd;
213 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
214
215 if (recv_ctx->state != QLCNIC_HOST_CTX_STATE_ACTIVE)
216 return err;
217 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_MTU);
218 if (err)
219 return err;
220
221 cmd.req.arg[1] = recv_ctx->context_id;
222 cmd.req.arg[2] = mtu;
223
224 err = qlcnic_issue_cmd(adapter, &cmd);
225 if (err) {
226 dev_err(&adapter->pdev->dev, "Failed to set mtu\n");
227 err = -EIO;
228 }
229 qlcnic_free_mbx_args(&cmd);
230 return err;
231 }
232
qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter * adapter)233 int qlcnic_82xx_fw_cmd_create_rx_ctx(struct qlcnic_adapter *adapter)
234 {
235 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
236 struct qlcnic_hardware_context *ahw = adapter->ahw;
237 dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
238 struct net_device *netdev = adapter->netdev;
239 u32 temp_intr_crb_mode, temp_rds_crb_mode;
240 struct qlcnic_cardrsp_rds_ring *prsp_rds;
241 struct qlcnic_cardrsp_sds_ring *prsp_sds;
242 struct qlcnic_hostrq_rds_ring *prq_rds;
243 struct qlcnic_hostrq_sds_ring *prq_sds;
244 struct qlcnic_host_rds_ring *rds_ring;
245 struct qlcnic_host_sds_ring *sds_ring;
246 struct qlcnic_cardrsp_rx_ctx *prsp;
247 struct qlcnic_hostrq_rx_ctx *prq;
248 u8 i, nrds_rings, nsds_rings;
249 struct qlcnic_cmd_args cmd;
250 size_t rq_size, rsp_size;
251 u32 cap, reg, val, reg2;
252 u64 phys_addr;
253 u16 temp_u16;
254 void *addr;
255 int err;
256
257 nrds_rings = adapter->max_rds_rings;
258 nsds_rings = adapter->drv_sds_rings;
259
260 rq_size = SIZEOF_HOSTRQ_RX(struct qlcnic_hostrq_rx_ctx, nrds_rings,
261 nsds_rings);
262 rsp_size = SIZEOF_CARDRSP_RX(struct qlcnic_cardrsp_rx_ctx, nrds_rings,
263 nsds_rings);
264
265 addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
266 &hostrq_phys_addr, GFP_KERNEL);
267 if (addr == NULL)
268 return -ENOMEM;
269 prq = addr;
270
271 addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
272 &cardrsp_phys_addr, GFP_KERNEL);
273 if (addr == NULL) {
274 err = -ENOMEM;
275 goto out_free_rq;
276 }
277 prsp = addr;
278
279 prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
280
281 cap = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN
282 | QLCNIC_CAP0_VALIDOFF);
283 cap |= (QLCNIC_CAP0_JUMBO_CONTIGUOUS | QLCNIC_CAP0_LRO_CONTIGUOUS);
284
285 if (qlcnic_check_multi_tx(adapter) &&
286 !adapter->ahw->diag_test) {
287 cap |= QLCNIC_CAP0_TX_MULTI;
288 } else {
289 temp_u16 = offsetof(struct qlcnic_hostrq_rx_ctx, msix_handler);
290 prq->valid_field_offset = cpu_to_le16(temp_u16);
291 prq->txrx_sds_binding = nsds_rings - 1;
292 temp_intr_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
293 prq->host_int_crb_mode = cpu_to_le32(temp_intr_crb_mode);
294 temp_rds_crb_mode = QLCNIC_HOST_RDS_CRB_MODE_UNIQUE;
295 prq->host_rds_crb_mode = cpu_to_le32(temp_rds_crb_mode);
296 }
297
298 prq->capabilities[0] = cpu_to_le32(cap);
299
300 prq->num_rds_rings = cpu_to_le16(nrds_rings);
301 prq->num_sds_rings = cpu_to_le16(nsds_rings);
302 prq->rds_ring_offset = 0;
303
304 val = le32_to_cpu(prq->rds_ring_offset) +
305 (sizeof(struct qlcnic_hostrq_rds_ring) * nrds_rings);
306 prq->sds_ring_offset = cpu_to_le32(val);
307
308 prq_rds = (struct qlcnic_hostrq_rds_ring *)(prq->data +
309 le32_to_cpu(prq->rds_ring_offset));
310
311 for (i = 0; i < nrds_rings; i++) {
312 rds_ring = &recv_ctx->rds_rings[i];
313 rds_ring->producer = 0;
314 prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
315 prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
316 prq_rds[i].ring_kind = cpu_to_le32(i);
317 prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
318 }
319
320 prq_sds = (struct qlcnic_hostrq_sds_ring *)(prq->data +
321 le32_to_cpu(prq->sds_ring_offset));
322
323 for (i = 0; i < nsds_rings; i++) {
324 sds_ring = &recv_ctx->sds_rings[i];
325 sds_ring->consumer = 0;
326 memset(sds_ring->desc_head, 0, STATUS_DESC_RINGSIZE(sds_ring));
327 prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
328 prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
329 if (qlcnic_check_multi_tx(adapter) &&
330 !adapter->ahw->diag_test)
331 prq_sds[i].msi_index = cpu_to_le16(ahw->intr_tbl[i].id);
332 else
333 prq_sds[i].msi_index = cpu_to_le16(i);
334 }
335
336 phys_addr = hostrq_phys_addr;
337 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX);
338 if (err)
339 goto out_free_rsp;
340
341 cmd.req.arg[1] = MSD(phys_addr);
342 cmd.req.arg[2] = LSD(phys_addr);
343 cmd.req.arg[3] = rq_size;
344 err = qlcnic_issue_cmd(adapter, &cmd);
345 if (err) {
346 dev_err(&adapter->pdev->dev,
347 "Failed to create rx ctx in firmware%d\n", err);
348 goto out_free_rsp;
349 }
350
351 prsp_rds = ((struct qlcnic_cardrsp_rds_ring *)
352 &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
353
354 for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
355 rds_ring = &recv_ctx->rds_rings[i];
356 reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
357 rds_ring->crb_rcv_producer = ahw->pci_base0 + reg;
358 }
359
360 prsp_sds = ((struct qlcnic_cardrsp_sds_ring *)
361 &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
362
363 for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
364 sds_ring = &recv_ctx->sds_rings[i];
365 reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
366 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
367 reg2 = ahw->intr_tbl[i].src;
368 else
369 reg2 = le32_to_cpu(prsp_sds[i].interrupt_crb);
370
371 sds_ring->crb_intr_mask = ahw->pci_base0 + reg2;
372 sds_ring->crb_sts_consumer = ahw->pci_base0 + reg;
373 }
374
375 recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
376 recv_ctx->context_id = le16_to_cpu(prsp->context_id);
377 recv_ctx->virt_port = prsp->virt_port;
378
379 netdev_info(netdev, "Rx Context[%d] Created, state 0x%x\n",
380 recv_ctx->context_id, recv_ctx->state);
381 qlcnic_free_mbx_args(&cmd);
382
383 out_free_rsp:
384 dma_free_coherent(&adapter->pdev->dev, rsp_size, prsp,
385 cardrsp_phys_addr);
386 out_free_rq:
387 dma_free_coherent(&adapter->pdev->dev, rq_size, prq, hostrq_phys_addr);
388
389 return err;
390 }
391
qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter * adapter)392 void qlcnic_82xx_fw_cmd_del_rx_ctx(struct qlcnic_adapter *adapter)
393 {
394 int err;
395 struct qlcnic_cmd_args cmd;
396 struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
397
398 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX);
399 if (err)
400 return;
401
402 cmd.req.arg[1] = recv_ctx->context_id;
403 err = qlcnic_issue_cmd(adapter, &cmd);
404 if (err)
405 dev_err(&adapter->pdev->dev,
406 "Failed to destroy rx ctx in firmware\n");
407
408 recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED;
409 qlcnic_free_mbx_args(&cmd);
410 }
411
qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter * adapter,struct qlcnic_host_tx_ring * tx_ring,int ring)412 int qlcnic_82xx_fw_cmd_create_tx_ctx(struct qlcnic_adapter *adapter,
413 struct qlcnic_host_tx_ring *tx_ring,
414 int ring)
415 {
416 struct qlcnic_hardware_context *ahw = adapter->ahw;
417 struct net_device *netdev = adapter->netdev;
418 struct qlcnic_hostrq_tx_ctx *prq;
419 struct qlcnic_hostrq_cds_ring *prq_cds;
420 struct qlcnic_cardrsp_tx_ctx *prsp;
421 struct qlcnic_cmd_args cmd;
422 u32 temp, intr_mask, temp_int_crb_mode;
423 dma_addr_t rq_phys_addr, rsp_phys_addr;
424 int temp_nsds_rings, index, err;
425 void *rq_addr, *rsp_addr;
426 size_t rq_size, rsp_size;
427 u64 phys_addr;
428 u16 msix_id;
429
430 /* reset host resources */
431 tx_ring->producer = 0;
432 tx_ring->sw_consumer = 0;
433 *(tx_ring->hw_consumer) = 0;
434
435 rq_size = SIZEOF_HOSTRQ_TX(struct qlcnic_hostrq_tx_ctx);
436 rq_addr = dma_alloc_coherent(&adapter->pdev->dev, rq_size,
437 &rq_phys_addr, GFP_KERNEL);
438 if (!rq_addr)
439 return -ENOMEM;
440
441 rsp_size = SIZEOF_CARDRSP_TX(struct qlcnic_cardrsp_tx_ctx);
442 rsp_addr = dma_alloc_coherent(&adapter->pdev->dev, rsp_size,
443 &rsp_phys_addr, GFP_KERNEL);
444 if (!rsp_addr) {
445 err = -ENOMEM;
446 goto out_free_rq;
447 }
448
449 prq = rq_addr;
450 prsp = rsp_addr;
451
452 prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
453
454 temp = (QLCNIC_CAP0_LEGACY_CONTEXT | QLCNIC_CAP0_LEGACY_MN |
455 QLCNIC_CAP0_LSO);
456 if (qlcnic_check_multi_tx(adapter) && !adapter->ahw->diag_test)
457 temp |= QLCNIC_CAP0_TX_MULTI;
458
459 prq->capabilities[0] = cpu_to_le32(temp);
460
461 if (qlcnic_check_multi_tx(adapter) &&
462 !adapter->ahw->diag_test) {
463 temp_nsds_rings = adapter->drv_sds_rings;
464 index = temp_nsds_rings + ring;
465 msix_id = ahw->intr_tbl[index].id;
466 prq->msi_index = cpu_to_le16(msix_id);
467 } else {
468 temp_int_crb_mode = QLCNIC_HOST_INT_CRB_MODE_SHARED;
469 prq->host_int_crb_mode = cpu_to_le32(temp_int_crb_mode);
470 prq->msi_index = 0;
471 }
472
473 prq->interrupt_ctl = 0;
474 prq->cmd_cons_dma_addr = cpu_to_le64(tx_ring->hw_cons_phys_addr);
475
476 prq_cds = &prq->cds_ring;
477
478 prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
479 prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
480
481 phys_addr = rq_phys_addr;
482
483 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX);
484 if (err)
485 goto out_free_rsp;
486
487 cmd.req.arg[1] = MSD(phys_addr);
488 cmd.req.arg[2] = LSD(phys_addr);
489 cmd.req.arg[3] = rq_size;
490 err = qlcnic_issue_cmd(adapter, &cmd);
491
492 if (err == QLCNIC_RCODE_SUCCESS) {
493 tx_ring->state = le32_to_cpu(prsp->host_ctx_state);
494 temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
495 tx_ring->crb_cmd_producer = adapter->ahw->pci_base0 + temp;
496 tx_ring->ctx_id = le16_to_cpu(prsp->context_id);
497 if (qlcnic_check_multi_tx(adapter) &&
498 !adapter->ahw->diag_test &&
499 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
500 index = adapter->drv_sds_rings + ring;
501 intr_mask = ahw->intr_tbl[index].src;
502 tx_ring->crb_intr_mask = ahw->pci_base0 + intr_mask;
503 }
504
505 netdev_info(netdev, "Tx Context[0x%x] Created, state 0x%x\n",
506 tx_ring->ctx_id, tx_ring->state);
507 } else {
508 netdev_err(netdev, "Failed to create tx ctx in firmware%d\n",
509 err);
510 err = -EIO;
511 }
512 qlcnic_free_mbx_args(&cmd);
513
514 out_free_rsp:
515 dma_free_coherent(&adapter->pdev->dev, rsp_size, rsp_addr,
516 rsp_phys_addr);
517 out_free_rq:
518 dma_free_coherent(&adapter->pdev->dev, rq_size, rq_addr, rq_phys_addr);
519
520 return err;
521 }
522
qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter * adapter,struct qlcnic_host_tx_ring * tx_ring)523 void qlcnic_82xx_fw_cmd_del_tx_ctx(struct qlcnic_adapter *adapter,
524 struct qlcnic_host_tx_ring *tx_ring)
525 {
526 struct qlcnic_cmd_args cmd;
527 int ret;
528
529 ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX);
530 if (ret)
531 return;
532
533 cmd.req.arg[1] = tx_ring->ctx_id;
534 if (qlcnic_issue_cmd(adapter, &cmd))
535 dev_err(&adapter->pdev->dev,
536 "Failed to destroy tx ctx in firmware\n");
537 qlcnic_free_mbx_args(&cmd);
538 }
539
540 int
qlcnic_fw_cmd_set_port(struct qlcnic_adapter * adapter,u32 config)541 qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
542 {
543 int err;
544 struct qlcnic_cmd_args cmd;
545
546 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_PORT);
547 if (err)
548 return err;
549
550 cmd.req.arg[1] = config;
551 err = qlcnic_issue_cmd(adapter, &cmd);
552 qlcnic_free_mbx_args(&cmd);
553 return err;
554 }
555
qlcnic_alloc_hw_resources(struct qlcnic_adapter * adapter)556 int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
557 {
558 void *addr;
559 int err, ring;
560 struct qlcnic_recv_context *recv_ctx;
561 struct qlcnic_host_rds_ring *rds_ring;
562 struct qlcnic_host_sds_ring *sds_ring;
563 struct qlcnic_host_tx_ring *tx_ring;
564 __le32 *ptr;
565
566 struct pci_dev *pdev = adapter->pdev;
567
568 recv_ctx = adapter->recv_ctx;
569
570 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
571 tx_ring = &adapter->tx_ring[ring];
572 ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
573 &tx_ring->hw_cons_phys_addr,
574 GFP_KERNEL);
575 if (ptr == NULL) {
576 err = -ENOMEM;
577 goto err_out_free;
578 }
579
580 tx_ring->hw_consumer = ptr;
581 /* cmd desc ring */
582 addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
583 &tx_ring->phys_addr,
584 GFP_KERNEL);
585 if (addr == NULL) {
586 err = -ENOMEM;
587 goto err_out_free;
588 }
589
590 tx_ring->desc_head = addr;
591 }
592
593 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
594 rds_ring = &recv_ctx->rds_rings[ring];
595 addr = dma_alloc_coherent(&adapter->pdev->dev,
596 RCV_DESC_RINGSIZE(rds_ring),
597 &rds_ring->phys_addr, GFP_KERNEL);
598 if (addr == NULL) {
599 err = -ENOMEM;
600 goto err_out_free;
601 }
602 rds_ring->desc_head = addr;
603
604 }
605
606 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
607 sds_ring = &recv_ctx->sds_rings[ring];
608
609 addr = dma_alloc_coherent(&adapter->pdev->dev,
610 STATUS_DESC_RINGSIZE(sds_ring),
611 &sds_ring->phys_addr, GFP_KERNEL);
612 if (addr == NULL) {
613 err = -ENOMEM;
614 goto err_out_free;
615 }
616 sds_ring->desc_head = addr;
617 }
618
619 return 0;
620
621 err_out_free:
622 qlcnic_free_hw_resources(adapter);
623 return err;
624 }
625
qlcnic_fw_create_ctx(struct qlcnic_adapter * dev)626 int qlcnic_fw_create_ctx(struct qlcnic_adapter *dev)
627 {
628 int i, err, ring;
629
630 if (dev->flags & QLCNIC_NEED_FLR) {
631 err = pci_reset_function(dev->pdev);
632 if (err) {
633 dev_err(&dev->pdev->dev,
634 "Adapter reset failed (%d). Please reboot\n",
635 err);
636 return err;
637 }
638 dev->flags &= ~QLCNIC_NEED_FLR;
639 }
640
641 if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
642 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST) {
643 err = qlcnic_83xx_config_intrpt(dev, 1);
644 if (err)
645 return err;
646 }
647 }
648
649 if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
650 qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test) {
651 err = qlcnic_82xx_mq_intrpt(dev, 1);
652 if (err)
653 return err;
654 }
655
656 err = qlcnic_fw_cmd_create_rx_ctx(dev);
657 if (err)
658 goto err_out;
659
660 for (ring = 0; ring < dev->drv_tx_rings; ring++) {
661 err = qlcnic_fw_cmd_create_tx_ctx(dev,
662 &dev->tx_ring[ring],
663 ring);
664 if (err) {
665 qlcnic_fw_cmd_del_rx_ctx(dev);
666 if (ring == 0)
667 goto err_out;
668
669 for (i = 0; i < ring; i++)
670 qlcnic_fw_cmd_del_tx_ctx(dev, &dev->tx_ring[i]);
671
672 goto err_out;
673 }
674 }
675
676 set_bit(__QLCNIC_FW_ATTACHED, &dev->state);
677
678 return 0;
679
680 err_out:
681 if (qlcnic_82xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED) &&
682 qlcnic_check_multi_tx(dev) && !dev->ahw->diag_test)
683 qlcnic_82xx_config_intrpt(dev, 0);
684
685 if (qlcnic_83xx_check(dev) && (dev->flags & QLCNIC_MSIX_ENABLED)) {
686 if (dev->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
687 qlcnic_83xx_config_intrpt(dev, 0);
688 }
689
690 return err;
691 }
692
qlcnic_fw_destroy_ctx(struct qlcnic_adapter * adapter)693 void qlcnic_fw_destroy_ctx(struct qlcnic_adapter *adapter)
694 {
695 int ring;
696
697 if (test_and_clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) {
698 qlcnic_fw_cmd_del_rx_ctx(adapter);
699 for (ring = 0; ring < adapter->drv_tx_rings; ring++)
700 qlcnic_fw_cmd_del_tx_ctx(adapter,
701 &adapter->tx_ring[ring]);
702
703 if (qlcnic_82xx_check(adapter) &&
704 (adapter->flags & QLCNIC_MSIX_ENABLED) &&
705 qlcnic_check_multi_tx(adapter) &&
706 !adapter->ahw->diag_test)
707 qlcnic_82xx_config_intrpt(adapter, 0);
708
709 if (qlcnic_83xx_check(adapter) &&
710 (adapter->flags & QLCNIC_MSIX_ENABLED)) {
711 if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST)
712 qlcnic_83xx_config_intrpt(adapter, 0);
713 }
714 /* Allow dma queues to drain after context reset */
715 mdelay(20);
716 }
717 }
718
qlcnic_free_hw_resources(struct qlcnic_adapter * adapter)719 void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)
720 {
721 struct qlcnic_recv_context *recv_ctx;
722 struct qlcnic_host_rds_ring *rds_ring;
723 struct qlcnic_host_sds_ring *sds_ring;
724 struct qlcnic_host_tx_ring *tx_ring;
725 int ring;
726
727 recv_ctx = adapter->recv_ctx;
728
729 for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
730 tx_ring = &adapter->tx_ring[ring];
731 if (tx_ring->hw_consumer != NULL) {
732 dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
733 tx_ring->hw_consumer,
734 tx_ring->hw_cons_phys_addr);
735
736 tx_ring->hw_consumer = NULL;
737 }
738
739 if (tx_ring->desc_head != NULL) {
740 dma_free_coherent(&adapter->pdev->dev,
741 TX_DESC_RINGSIZE(tx_ring),
742 tx_ring->desc_head,
743 tx_ring->phys_addr);
744 tx_ring->desc_head = NULL;
745 }
746 }
747
748 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
749 rds_ring = &recv_ctx->rds_rings[ring];
750
751 if (rds_ring->desc_head != NULL) {
752 dma_free_coherent(&adapter->pdev->dev,
753 RCV_DESC_RINGSIZE(rds_ring),
754 rds_ring->desc_head,
755 rds_ring->phys_addr);
756 rds_ring->desc_head = NULL;
757 }
758 }
759
760 for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
761 sds_ring = &recv_ctx->sds_rings[ring];
762
763 if (sds_ring->desc_head != NULL) {
764 dma_free_coherent(&adapter->pdev->dev,
765 STATUS_DESC_RINGSIZE(sds_ring),
766 sds_ring->desc_head,
767 sds_ring->phys_addr);
768 sds_ring->desc_head = NULL;
769 }
770 }
771 }
772
qlcnic_82xx_config_intrpt(struct qlcnic_adapter * adapter,u8 op_type)773 int qlcnic_82xx_config_intrpt(struct qlcnic_adapter *adapter, u8 op_type)
774 {
775 struct qlcnic_hardware_context *ahw = adapter->ahw;
776 struct net_device *netdev = adapter->netdev;
777 struct qlcnic_cmd_args cmd;
778 u32 type, val;
779 int i, err = 0;
780
781 for (i = 0; i < ahw->num_msix; i++) {
782 err = qlcnic_alloc_mbx_args(&cmd, adapter,
783 QLCNIC_CMD_MQ_TX_CONFIG_INTR);
784 if (err)
785 return err;
786 type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL;
787 val = type | (ahw->intr_tbl[i].type << 4);
788 if (ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX)
789 val |= (ahw->intr_tbl[i].id << 16);
790 cmd.req.arg[1] = val;
791 err = qlcnic_issue_cmd(adapter, &cmd);
792 if (err) {
793 netdev_err(netdev, "Failed to %s interrupts %d\n",
794 op_type == QLCNIC_INTRPT_ADD ? "Add" :
795 "Delete", err);
796 qlcnic_free_mbx_args(&cmd);
797 return err;
798 }
799 val = cmd.rsp.arg[1];
800 if (LSB(val)) {
801 netdev_info(netdev,
802 "failed to configure interrupt for %d\n",
803 ahw->intr_tbl[i].id);
804 continue;
805 }
806 if (op_type) {
807 ahw->intr_tbl[i].id = MSW(val);
808 ahw->intr_tbl[i].enabled = 1;
809 ahw->intr_tbl[i].src = cmd.rsp.arg[2];
810 } else {
811 ahw->intr_tbl[i].id = i;
812 ahw->intr_tbl[i].enabled = 0;
813 ahw->intr_tbl[i].src = 0;
814 }
815 qlcnic_free_mbx_args(&cmd);
816 }
817
818 return err;
819 }
820
qlcnic_82xx_get_mac_address(struct qlcnic_adapter * adapter,u8 * mac,u8 function)821 int qlcnic_82xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac,
822 u8 function)
823 {
824 int err, i;
825 struct qlcnic_cmd_args cmd;
826 u32 mac_low, mac_high;
827
828 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS);
829 if (err)
830 return err;
831
832 cmd.req.arg[1] = function | BIT_8;
833 err = qlcnic_issue_cmd(adapter, &cmd);
834
835 if (err == QLCNIC_RCODE_SUCCESS) {
836 mac_low = cmd.rsp.arg[1];
837 mac_high = cmd.rsp.arg[2];
838
839 for (i = 0; i < 2; i++)
840 mac[i] = (u8) (mac_high >> ((1 - i) * 8));
841 for (i = 2; i < 6; i++)
842 mac[i] = (u8) (mac_low >> ((5 - i) * 8));
843 } else {
844 dev_err(&adapter->pdev->dev,
845 "Failed to get mac address%d\n", err);
846 err = -EIO;
847 }
848 qlcnic_free_mbx_args(&cmd);
849 return err;
850 }
851
852 /* Get info of a NIC partition */
qlcnic_82xx_get_nic_info(struct qlcnic_adapter * adapter,struct qlcnic_info * npar_info,u8 func_id)853 int qlcnic_82xx_get_nic_info(struct qlcnic_adapter *adapter,
854 struct qlcnic_info *npar_info, u8 func_id)
855 {
856 int err;
857 dma_addr_t nic_dma_t;
858 const struct qlcnic_info_le *nic_info;
859 void *nic_info_addr;
860 struct qlcnic_cmd_args cmd;
861 size_t nic_size = sizeof(struct qlcnic_info_le);
862
863 nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
864 &nic_dma_t, GFP_KERNEL);
865 if (!nic_info_addr)
866 return -ENOMEM;
867
868 nic_info = nic_info_addr;
869
870 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO);
871 if (err)
872 goto out_free_dma;
873
874 cmd.req.arg[1] = MSD(nic_dma_t);
875 cmd.req.arg[2] = LSD(nic_dma_t);
876 cmd.req.arg[3] = (func_id << 16 | nic_size);
877 err = qlcnic_issue_cmd(adapter, &cmd);
878 if (err != QLCNIC_RCODE_SUCCESS) {
879 dev_err(&adapter->pdev->dev,
880 "Failed to get nic info%d\n", err);
881 err = -EIO;
882 } else {
883 npar_info->pci_func = le16_to_cpu(nic_info->pci_func);
884 npar_info->op_mode = le16_to_cpu(nic_info->op_mode);
885 npar_info->min_tx_bw = le16_to_cpu(nic_info->min_tx_bw);
886 npar_info->max_tx_bw = le16_to_cpu(nic_info->max_tx_bw);
887 npar_info->phys_port = le16_to_cpu(nic_info->phys_port);
888 npar_info->switch_mode = le16_to_cpu(nic_info->switch_mode);
889 npar_info->max_tx_ques = le16_to_cpu(nic_info->max_tx_ques);
890 npar_info->max_rx_ques = le16_to_cpu(nic_info->max_rx_ques);
891 npar_info->capabilities = le32_to_cpu(nic_info->capabilities);
892 npar_info->max_mtu = le16_to_cpu(nic_info->max_mtu);
893 }
894
895 qlcnic_free_mbx_args(&cmd);
896 out_free_dma:
897 dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
898 nic_dma_t);
899
900 return err;
901 }
902
903 /* Configure a NIC partition */
qlcnic_82xx_set_nic_info(struct qlcnic_adapter * adapter,struct qlcnic_info * nic)904 int qlcnic_82xx_set_nic_info(struct qlcnic_adapter *adapter,
905 struct qlcnic_info *nic)
906 {
907 int err = -EIO;
908 dma_addr_t nic_dma_t;
909 void *nic_info_addr;
910 struct qlcnic_cmd_args cmd;
911 struct qlcnic_info_le *nic_info;
912 size_t nic_size = sizeof(struct qlcnic_info_le);
913
914 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
915 return err;
916
917 nic_info_addr = dma_alloc_coherent(&adapter->pdev->dev, nic_size,
918 &nic_dma_t, GFP_KERNEL);
919 if (!nic_info_addr)
920 return -ENOMEM;
921
922 nic_info = nic_info_addr;
923
924 nic_info->pci_func = cpu_to_le16(nic->pci_func);
925 nic_info->op_mode = cpu_to_le16(nic->op_mode);
926 nic_info->phys_port = cpu_to_le16(nic->phys_port);
927 nic_info->switch_mode = cpu_to_le16(nic->switch_mode);
928 nic_info->capabilities = cpu_to_le32(nic->capabilities);
929 nic_info->max_mac_filters = nic->max_mac_filters;
930 nic_info->max_tx_ques = cpu_to_le16(nic->max_tx_ques);
931 nic_info->max_rx_ques = cpu_to_le16(nic->max_rx_ques);
932 nic_info->min_tx_bw = cpu_to_le16(nic->min_tx_bw);
933 nic_info->max_tx_bw = cpu_to_le16(nic->max_tx_bw);
934
935 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
936 if (err)
937 goto out_free_dma;
938
939 cmd.req.arg[1] = MSD(nic_dma_t);
940 cmd.req.arg[2] = LSD(nic_dma_t);
941 cmd.req.arg[3] = ((nic->pci_func << 16) | nic_size);
942 err = qlcnic_issue_cmd(adapter, &cmd);
943
944 if (err != QLCNIC_RCODE_SUCCESS) {
945 dev_err(&adapter->pdev->dev,
946 "Failed to set nic info%d\n", err);
947 err = -EIO;
948 }
949
950 qlcnic_free_mbx_args(&cmd);
951 out_free_dma:
952 dma_free_coherent(&adapter->pdev->dev, nic_size, nic_info_addr,
953 nic_dma_t);
954
955 return err;
956 }
957
958 /* Get PCI Info of a partition */
qlcnic_82xx_get_pci_info(struct qlcnic_adapter * adapter,struct qlcnic_pci_info * pci_info)959 int qlcnic_82xx_get_pci_info(struct qlcnic_adapter *adapter,
960 struct qlcnic_pci_info *pci_info)
961 {
962 struct qlcnic_hardware_context *ahw = adapter->ahw;
963 size_t npar_size = sizeof(struct qlcnic_pci_info_le);
964 size_t pci_size = npar_size * ahw->max_vnic_func;
965 u16 nic = 0, fcoe = 0, iscsi = 0;
966 struct qlcnic_pci_info_le *npar;
967 struct qlcnic_cmd_args cmd;
968 dma_addr_t pci_info_dma_t;
969 void *pci_info_addr;
970 int err = 0, i;
971
972 pci_info_addr = dma_alloc_coherent(&adapter->pdev->dev, pci_size,
973 &pci_info_dma_t, GFP_KERNEL);
974 if (!pci_info_addr)
975 return -ENOMEM;
976
977 npar = pci_info_addr;
978 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO);
979 if (err)
980 goto out_free_dma;
981
982 cmd.req.arg[1] = MSD(pci_info_dma_t);
983 cmd.req.arg[2] = LSD(pci_info_dma_t);
984 cmd.req.arg[3] = pci_size;
985 err = qlcnic_issue_cmd(adapter, &cmd);
986
987 ahw->total_nic_func = 0;
988 if (err == QLCNIC_RCODE_SUCCESS) {
989 for (i = 0; i < ahw->max_vnic_func; i++, npar++, pci_info++) {
990 pci_info->id = le16_to_cpu(npar->id);
991 pci_info->active = le16_to_cpu(npar->active);
992 if (!pci_info->active)
993 continue;
994 pci_info->type = le16_to_cpu(npar->type);
995 err = qlcnic_get_pci_func_type(adapter, pci_info->type,
996 &nic, &fcoe, &iscsi);
997 pci_info->default_port =
998 le16_to_cpu(npar->default_port);
999 pci_info->tx_min_bw =
1000 le16_to_cpu(npar->tx_min_bw);
1001 pci_info->tx_max_bw =
1002 le16_to_cpu(npar->tx_max_bw);
1003 memcpy(pci_info->mac, npar->mac, ETH_ALEN);
1004 }
1005 } else {
1006 dev_err(&adapter->pdev->dev,
1007 "Failed to get PCI Info%d\n", err);
1008 err = -EIO;
1009 }
1010
1011 ahw->total_nic_func = nic;
1012 ahw->total_pci_func = nic + fcoe + iscsi;
1013 if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) {
1014 dev_err(&adapter->pdev->dev,
1015 "%s: Invalid function count: total nic func[%x], total pci func[%x]\n",
1016 __func__, ahw->total_nic_func, ahw->total_pci_func);
1017 err = -EIO;
1018 }
1019 qlcnic_free_mbx_args(&cmd);
1020 out_free_dma:
1021 dma_free_coherent(&adapter->pdev->dev, pci_size, pci_info_addr,
1022 pci_info_dma_t);
1023
1024 return err;
1025 }
1026
1027 /* Configure eSwitch for port mirroring */
qlcnic_config_port_mirroring(struct qlcnic_adapter * adapter,u8 id,u8 enable_mirroring,u8 pci_func)1028 int qlcnic_config_port_mirroring(struct qlcnic_adapter *adapter, u8 id,
1029 u8 enable_mirroring, u8 pci_func)
1030 {
1031 struct device *dev = &adapter->pdev->dev;
1032 struct qlcnic_cmd_args cmd;
1033 int err = -EIO;
1034 u32 arg1;
1035
1036 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC ||
1037 !(adapter->eswitch[id].flags & QLCNIC_SWITCH_ENABLE)) {
1038 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1039 __func__);
1040 return err;
1041 }
1042
1043 arg1 = id | (enable_mirroring ? BIT_4 : 0);
1044 arg1 |= pci_func << 8;
1045
1046 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1047 QLCNIC_CMD_SET_PORTMIRRORING);
1048 if (err)
1049 return err;
1050
1051 cmd.req.arg[1] = arg1;
1052 err = qlcnic_issue_cmd(adapter, &cmd);
1053
1054 if (err != QLCNIC_RCODE_SUCCESS)
1055 dev_err(dev, "Failed to configure port mirroring for vNIC function %d on eSwitch %d\n",
1056 pci_func, id);
1057 else
1058 dev_info(dev, "Configured port mirroring for vNIC function %d on eSwitch %d\n",
1059 pci_func, id);
1060 qlcnic_free_mbx_args(&cmd);
1061
1062 return err;
1063 }
1064
qlcnic_get_port_stats(struct qlcnic_adapter * adapter,const u8 func,const u8 rx_tx,struct __qlcnic_esw_statistics * esw_stats)1065 int qlcnic_get_port_stats(struct qlcnic_adapter *adapter, const u8 func,
1066 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1067
1068 size_t stats_size = sizeof(struct qlcnic_esw_stats_le);
1069 struct qlcnic_esw_stats_le *stats;
1070 dma_addr_t stats_dma_t;
1071 void *stats_addr;
1072 u32 arg1;
1073 struct qlcnic_cmd_args cmd;
1074 int err;
1075
1076 if (esw_stats == NULL)
1077 return -ENOMEM;
1078
1079 if ((adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) &&
1080 (func != adapter->ahw->pci_func)) {
1081 dev_err(&adapter->pdev->dev,
1082 "Not privilege to query stats for func=%d", func);
1083 return -EIO;
1084 }
1085
1086 stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1087 &stats_dma_t, GFP_KERNEL);
1088 if (!stats_addr)
1089 return -ENOMEM;
1090
1091 arg1 = func | QLCNIC_STATS_VERSION << 8 | QLCNIC_STATS_PORT << 12;
1092 arg1 |= rx_tx << 15 | stats_size << 16;
1093
1094 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1095 QLCNIC_CMD_GET_ESWITCH_STATS);
1096 if (err)
1097 goto out_free_dma;
1098
1099 cmd.req.arg[1] = arg1;
1100 cmd.req.arg[2] = MSD(stats_dma_t);
1101 cmd.req.arg[3] = LSD(stats_dma_t);
1102 err = qlcnic_issue_cmd(adapter, &cmd);
1103
1104 if (!err) {
1105 stats = stats_addr;
1106 esw_stats->context_id = le16_to_cpu(stats->context_id);
1107 esw_stats->version = le16_to_cpu(stats->version);
1108 esw_stats->size = le16_to_cpu(stats->size);
1109 esw_stats->multicast_frames =
1110 le64_to_cpu(stats->multicast_frames);
1111 esw_stats->broadcast_frames =
1112 le64_to_cpu(stats->broadcast_frames);
1113 esw_stats->unicast_frames = le64_to_cpu(stats->unicast_frames);
1114 esw_stats->dropped_frames = le64_to_cpu(stats->dropped_frames);
1115 esw_stats->local_frames = le64_to_cpu(stats->local_frames);
1116 esw_stats->errors = le64_to_cpu(stats->errors);
1117 esw_stats->numbytes = le64_to_cpu(stats->numbytes);
1118 }
1119
1120 qlcnic_free_mbx_args(&cmd);
1121 out_free_dma:
1122 dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1123 stats_dma_t);
1124
1125 return err;
1126 }
1127
1128 /* This routine will retrieve the MAC statistics from firmware */
qlcnic_get_mac_stats(struct qlcnic_adapter * adapter,struct qlcnic_mac_statistics * mac_stats)1129 int qlcnic_get_mac_stats(struct qlcnic_adapter *adapter,
1130 struct qlcnic_mac_statistics *mac_stats)
1131 {
1132 struct qlcnic_mac_statistics_le *stats;
1133 struct qlcnic_cmd_args cmd;
1134 size_t stats_size = sizeof(struct qlcnic_mac_statistics_le);
1135 dma_addr_t stats_dma_t;
1136 void *stats_addr;
1137 int err;
1138
1139 if (mac_stats == NULL)
1140 return -ENOMEM;
1141
1142 stats_addr = dma_alloc_coherent(&adapter->pdev->dev, stats_size,
1143 &stats_dma_t, GFP_KERNEL);
1144 if (!stats_addr)
1145 return -ENOMEM;
1146
1147 err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_MAC_STATS);
1148 if (err)
1149 goto out_free_dma;
1150
1151 cmd.req.arg[1] = stats_size << 16;
1152 cmd.req.arg[2] = MSD(stats_dma_t);
1153 cmd.req.arg[3] = LSD(stats_dma_t);
1154 err = qlcnic_issue_cmd(adapter, &cmd);
1155 if (!err) {
1156 stats = stats_addr;
1157 mac_stats->mac_tx_frames = le64_to_cpu(stats->mac_tx_frames);
1158 mac_stats->mac_tx_bytes = le64_to_cpu(stats->mac_tx_bytes);
1159 mac_stats->mac_tx_mcast_pkts =
1160 le64_to_cpu(stats->mac_tx_mcast_pkts);
1161 mac_stats->mac_tx_bcast_pkts =
1162 le64_to_cpu(stats->mac_tx_bcast_pkts);
1163 mac_stats->mac_rx_frames = le64_to_cpu(stats->mac_rx_frames);
1164 mac_stats->mac_rx_bytes = le64_to_cpu(stats->mac_rx_bytes);
1165 mac_stats->mac_rx_mcast_pkts =
1166 le64_to_cpu(stats->mac_rx_mcast_pkts);
1167 mac_stats->mac_rx_length_error =
1168 le64_to_cpu(stats->mac_rx_length_error);
1169 mac_stats->mac_rx_length_small =
1170 le64_to_cpu(stats->mac_rx_length_small);
1171 mac_stats->mac_rx_length_large =
1172 le64_to_cpu(stats->mac_rx_length_large);
1173 mac_stats->mac_rx_jabber = le64_to_cpu(stats->mac_rx_jabber);
1174 mac_stats->mac_rx_dropped = le64_to_cpu(stats->mac_rx_dropped);
1175 mac_stats->mac_rx_crc_error = le64_to_cpu(stats->mac_rx_crc_error);
1176 } else {
1177 dev_err(&adapter->pdev->dev,
1178 "%s: Get mac stats failed, err=%d.\n", __func__, err);
1179 }
1180
1181 qlcnic_free_mbx_args(&cmd);
1182
1183 out_free_dma:
1184 dma_free_coherent(&adapter->pdev->dev, stats_size, stats_addr,
1185 stats_dma_t);
1186
1187 return err;
1188 }
1189
qlcnic_get_eswitch_stats(struct qlcnic_adapter * adapter,const u8 eswitch,const u8 rx_tx,struct __qlcnic_esw_statistics * esw_stats)1190 int qlcnic_get_eswitch_stats(struct qlcnic_adapter *adapter, const u8 eswitch,
1191 const u8 rx_tx, struct __qlcnic_esw_statistics *esw_stats) {
1192
1193 struct __qlcnic_esw_statistics port_stats;
1194 u8 i;
1195 int ret = -EIO;
1196
1197 if (esw_stats == NULL)
1198 return -ENOMEM;
1199 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
1200 return -EIO;
1201 if (adapter->npars == NULL)
1202 return -EIO;
1203
1204 memset(esw_stats, 0, sizeof(u64));
1205 esw_stats->unicast_frames = QLCNIC_STATS_NOT_AVAIL;
1206 esw_stats->multicast_frames = QLCNIC_STATS_NOT_AVAIL;
1207 esw_stats->broadcast_frames = QLCNIC_STATS_NOT_AVAIL;
1208 esw_stats->dropped_frames = QLCNIC_STATS_NOT_AVAIL;
1209 esw_stats->errors = QLCNIC_STATS_NOT_AVAIL;
1210 esw_stats->local_frames = QLCNIC_STATS_NOT_AVAIL;
1211 esw_stats->numbytes = QLCNIC_STATS_NOT_AVAIL;
1212 esw_stats->context_id = eswitch;
1213
1214 for (i = 0; i < adapter->ahw->total_nic_func; i++) {
1215 if (adapter->npars[i].phy_port != eswitch)
1216 continue;
1217
1218 memset(&port_stats, 0, sizeof(struct __qlcnic_esw_statistics));
1219 if (qlcnic_get_port_stats(adapter, adapter->npars[i].pci_func,
1220 rx_tx, &port_stats))
1221 continue;
1222
1223 esw_stats->size = port_stats.size;
1224 esw_stats->version = port_stats.version;
1225 QLCNIC_ADD_ESW_STATS(esw_stats->unicast_frames,
1226 port_stats.unicast_frames);
1227 QLCNIC_ADD_ESW_STATS(esw_stats->multicast_frames,
1228 port_stats.multicast_frames);
1229 QLCNIC_ADD_ESW_STATS(esw_stats->broadcast_frames,
1230 port_stats.broadcast_frames);
1231 QLCNIC_ADD_ESW_STATS(esw_stats->dropped_frames,
1232 port_stats.dropped_frames);
1233 QLCNIC_ADD_ESW_STATS(esw_stats->errors,
1234 port_stats.errors);
1235 QLCNIC_ADD_ESW_STATS(esw_stats->local_frames,
1236 port_stats.local_frames);
1237 QLCNIC_ADD_ESW_STATS(esw_stats->numbytes,
1238 port_stats.numbytes);
1239 ret = 0;
1240 }
1241 return ret;
1242 }
1243
qlcnic_clear_esw_stats(struct qlcnic_adapter * adapter,const u8 func_esw,const u8 port,const u8 rx_tx)1244 int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, const u8 func_esw,
1245 const u8 port, const u8 rx_tx)
1246 {
1247 struct qlcnic_hardware_context *ahw = adapter->ahw;
1248 struct qlcnic_cmd_args cmd;
1249 int err;
1250 u32 arg1;
1251
1252 if (ahw->op_mode != QLCNIC_MGMT_FUNC)
1253 return -EIO;
1254
1255 if (func_esw == QLCNIC_STATS_PORT) {
1256 if (port >= ahw->max_vnic_func)
1257 goto err_ret;
1258 } else if (func_esw == QLCNIC_STATS_ESWITCH) {
1259 if (port >= QLCNIC_NIU_MAX_XG_PORTS)
1260 goto err_ret;
1261 } else {
1262 goto err_ret;
1263 }
1264
1265 if (rx_tx > QLCNIC_QUERY_TX_COUNTER)
1266 goto err_ret;
1267
1268 arg1 = port | QLCNIC_STATS_VERSION << 8 | func_esw << 12;
1269 arg1 |= BIT_14 | rx_tx << 15;
1270
1271 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1272 QLCNIC_CMD_GET_ESWITCH_STATS);
1273 if (err)
1274 return err;
1275
1276 cmd.req.arg[1] = arg1;
1277 err = qlcnic_issue_cmd(adapter, &cmd);
1278 qlcnic_free_mbx_args(&cmd);
1279 return err;
1280
1281 err_ret:
1282 dev_err(&adapter->pdev->dev,
1283 "Invalid args func_esw %d port %d rx_ctx %d\n",
1284 func_esw, port, rx_tx);
1285 return -EIO;
1286 }
1287
__qlcnic_get_eswitch_port_config(struct qlcnic_adapter * adapter,u32 * arg1,u32 * arg2)1288 static int __qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1289 u32 *arg1, u32 *arg2)
1290 {
1291 struct device *dev = &adapter->pdev->dev;
1292 struct qlcnic_cmd_args cmd;
1293 u8 pci_func = *arg1 >> 8;
1294 int err;
1295
1296 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1297 QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG);
1298 if (err)
1299 return err;
1300
1301 cmd.req.arg[1] = *arg1;
1302 err = qlcnic_issue_cmd(adapter, &cmd);
1303 *arg1 = cmd.rsp.arg[1];
1304 *arg2 = cmd.rsp.arg[2];
1305 qlcnic_free_mbx_args(&cmd);
1306
1307 if (err == QLCNIC_RCODE_SUCCESS)
1308 dev_info(dev, "Get eSwitch port config for vNIC function %d\n",
1309 pci_func);
1310 else
1311 dev_err(dev, "Failed to get eswitch port config for vNIC function %d\n",
1312 pci_func);
1313 return err;
1314 }
1315 /* Configure eSwitch port
1316 op_mode = 0 for setting default port behavior
1317 op_mode = 1 for setting vlan id
1318 op_mode = 2 for deleting vlan id
1319 op_type = 0 for vlan_id
1320 op_type = 1 for port vlan_id
1321 */
qlcnic_config_switch_port(struct qlcnic_adapter * adapter,struct qlcnic_esw_func_cfg * esw_cfg)1322 int qlcnic_config_switch_port(struct qlcnic_adapter *adapter,
1323 struct qlcnic_esw_func_cfg *esw_cfg)
1324 {
1325 struct device *dev = &adapter->pdev->dev;
1326 struct qlcnic_cmd_args cmd;
1327 int err = -EIO, index;
1328 u32 arg1, arg2 = 0;
1329 u8 pci_func;
1330
1331 if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
1332 dev_err(&adapter->pdev->dev, "%s: Not a management function\n",
1333 __func__);
1334 return err;
1335 }
1336
1337 pci_func = esw_cfg->pci_func;
1338 index = qlcnic_is_valid_nic_func(adapter, pci_func);
1339 if (index < 0)
1340 return err;
1341 arg1 = (adapter->npars[index].phy_port & BIT_0);
1342 arg1 |= (pci_func << 8);
1343
1344 if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1345 return err;
1346 arg1 &= ~(0x0ff << 8);
1347 arg1 |= (pci_func << 8);
1348 arg1 &= ~(BIT_2 | BIT_3);
1349 switch (esw_cfg->op_mode) {
1350 case QLCNIC_PORT_DEFAULTS:
1351 arg1 |= (BIT_4 | BIT_6 | BIT_7);
1352 arg2 |= (BIT_0 | BIT_1);
1353 if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
1354 arg2 |= (BIT_2 | BIT_3);
1355 if (!(esw_cfg->discard_tagged))
1356 arg1 &= ~BIT_4;
1357 if (!(esw_cfg->promisc_mode))
1358 arg1 &= ~BIT_6;
1359 if (!(esw_cfg->mac_override))
1360 arg1 &= ~BIT_7;
1361 if (!(esw_cfg->mac_anti_spoof))
1362 arg2 &= ~BIT_0;
1363 if (!(esw_cfg->offload_flags & BIT_0))
1364 arg2 &= ~(BIT_1 | BIT_2 | BIT_3);
1365 if (!(esw_cfg->offload_flags & BIT_1))
1366 arg2 &= ~BIT_2;
1367 if (!(esw_cfg->offload_flags & BIT_2))
1368 arg2 &= ~BIT_3;
1369 break;
1370 case QLCNIC_ADD_VLAN:
1371 arg1 &= ~(0x0ffff << 16);
1372 arg1 |= (BIT_2 | BIT_5);
1373 arg1 |= (esw_cfg->vlan_id << 16);
1374 break;
1375 case QLCNIC_DEL_VLAN:
1376 arg1 |= (BIT_3 | BIT_5);
1377 arg1 &= ~(0x0ffff << 16);
1378 break;
1379 default:
1380 dev_err(&adapter->pdev->dev, "%s: Invalid opmode 0x%x\n",
1381 __func__, esw_cfg->op_mode);
1382 return err;
1383 }
1384
1385 err = qlcnic_alloc_mbx_args(&cmd, adapter,
1386 QLCNIC_CMD_CONFIGURE_ESWITCH);
1387 if (err)
1388 return err;
1389
1390 cmd.req.arg[1] = arg1;
1391 cmd.req.arg[2] = arg2;
1392 err = qlcnic_issue_cmd(adapter, &cmd);
1393 qlcnic_free_mbx_args(&cmd);
1394
1395 if (err != QLCNIC_RCODE_SUCCESS)
1396 dev_err(dev, "Failed to configure eswitch for vNIC function %d\n",
1397 pci_func);
1398 else
1399 dev_info(dev, "Configured eSwitch for vNIC function %d\n",
1400 pci_func);
1401
1402 return err;
1403 }
1404
1405 int
qlcnic_get_eswitch_port_config(struct qlcnic_adapter * adapter,struct qlcnic_esw_func_cfg * esw_cfg)1406 qlcnic_get_eswitch_port_config(struct qlcnic_adapter *adapter,
1407 struct qlcnic_esw_func_cfg *esw_cfg)
1408 {
1409 u32 arg1, arg2;
1410 int index;
1411 u8 phy_port;
1412
1413 if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) {
1414 index = qlcnic_is_valid_nic_func(adapter, esw_cfg->pci_func);
1415 if (index < 0)
1416 return -EIO;
1417 phy_port = adapter->npars[index].phy_port;
1418 } else {
1419 phy_port = adapter->ahw->physical_port;
1420 }
1421 arg1 = phy_port;
1422 arg1 |= (esw_cfg->pci_func << 8);
1423 if (__qlcnic_get_eswitch_port_config(adapter, &arg1, &arg2))
1424 return -EIO;
1425
1426 esw_cfg->discard_tagged = !!(arg1 & BIT_4);
1427 esw_cfg->host_vlan_tag = !!(arg1 & BIT_5);
1428 esw_cfg->promisc_mode = !!(arg1 & BIT_6);
1429 esw_cfg->mac_override = !!(arg1 & BIT_7);
1430 esw_cfg->vlan_id = LSW(arg1 >> 16);
1431 esw_cfg->mac_anti_spoof = (arg2 & 0x1);
1432 esw_cfg->offload_flags = ((arg2 >> 1) & 0x7);
1433
1434 return 0;
1435 }
1436