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