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[deliverable/linux.git] / drivers / net / ethernet / qlogic / qed / qed_vf.c
1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
3 *
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
6 * this source tree.
7 */
8
9 #include <linux/crc32.h>
10 #include <linux/etherdevice.h>
11 #include "qed.h"
12 #include "qed_sriov.h"
13 #include "qed_vf.h"
14
15 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
16 {
17 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
18 void *p_tlv;
19
20 /* This lock is released when we receive PF's response
21 * in qed_send_msg2pf().
22 * So, qed_vf_pf_prep() and qed_send_msg2pf()
23 * must come in sequence.
24 */
25 mutex_lock(&(p_iov->mutex));
26
27 DP_VERBOSE(p_hwfn,
28 QED_MSG_IOV,
29 "preparing to send 0x%04x tlv over vf pf channel\n",
30 type);
31
32 /* Reset Requst offset */
33 p_iov->offset = (u8 *)p_iov->vf2pf_request;
34
35 /* Clear mailbox - both request and reply */
36 memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
37 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
38
39 /* Init type and length */
40 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
41
42 /* Init first tlv header */
43 ((struct vfpf_first_tlv *)p_tlv)->reply_address =
44 (u64)p_iov->pf2vf_reply_phys;
45
46 return p_tlv;
47 }
48
49 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
50 {
51 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
52 struct ustorm_trigger_vf_zone trigger;
53 struct ustorm_vf_zone *zone_data;
54 int rc = 0, time = 100;
55
56 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
57
58 /* output tlvs list */
59 qed_dp_tlv_list(p_hwfn, p_req);
60
61 /* need to add the END TLV to the message size */
62 resp_size += sizeof(struct channel_list_end_tlv);
63
64 /* Send TLVs over HW channel */
65 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
66 trigger.vf_pf_msg_valid = 1;
67
68 DP_VERBOSE(p_hwfn,
69 QED_MSG_IOV,
70 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
71 GET_FIELD(p_hwfn->hw_info.concrete_fid,
72 PXP_CONCRETE_FID_PFID),
73 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
74 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
75 &zone_data->non_trigger.vf_pf_msg_addr,
76 *((u32 *)&trigger), &zone_data->trigger);
77
78 REG_WR(p_hwfn,
79 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
80 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
81
82 REG_WR(p_hwfn,
83 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
84 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
85
86 /* The message data must be written first, to prevent trigger before
87 * data is written.
88 */
89 wmb();
90
91 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
92
93 /* When PF would be done with the response, it would write back to the
94 * `done' address. Poll until then.
95 */
96 while ((!*done) && time) {
97 msleep(25);
98 time--;
99 }
100
101 if (!*done) {
102 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
103 "VF <-- PF Timeout [Type %d]\n",
104 p_req->first_tlv.tl.type);
105 rc = -EBUSY;
106 goto exit;
107 } else {
108 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
109 "PF response: %d [Type %d]\n",
110 *done, p_req->first_tlv.tl.type);
111 }
112
113 exit:
114 mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
115
116 return rc;
117 }
118
119 #define VF_ACQUIRE_THRESH 3
120 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
121 struct vf_pf_resc_request *p_req,
122 struct pf_vf_resc *p_resp)
123 {
124 DP_VERBOSE(p_hwfn,
125 QED_MSG_IOV,
126 "PF unwilling to fullill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]. Try PF recommended amount\n",
127 p_req->num_rxqs,
128 p_resp->num_rxqs,
129 p_req->num_rxqs,
130 p_resp->num_txqs,
131 p_req->num_sbs,
132 p_resp->num_sbs,
133 p_req->num_mac_filters,
134 p_resp->num_mac_filters,
135 p_req->num_vlan_filters,
136 p_resp->num_vlan_filters,
137 p_req->num_mc_filters, p_resp->num_mc_filters);
138
139 /* humble our request */
140 p_req->num_txqs = p_resp->num_txqs;
141 p_req->num_rxqs = p_resp->num_rxqs;
142 p_req->num_sbs = p_resp->num_sbs;
143 p_req->num_mac_filters = p_resp->num_mac_filters;
144 p_req->num_vlan_filters = p_resp->num_vlan_filters;
145 p_req->num_mc_filters = p_resp->num_mc_filters;
146 }
147
148 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
149 {
150 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
151 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
152 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
153 struct vf_pf_resc_request *p_resc;
154 bool resources_acquired = false;
155 struct vfpf_acquire_tlv *req;
156 int rc = 0, attempts = 0;
157
158 /* clear mailbox and prep first tlv */
159 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
160 p_resc = &req->resc_request;
161
162 /* starting filling the request */
163 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
164
165 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
166 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
167 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
168 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
169 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
170
171 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
172 req->vfdev_info.fw_major = FW_MAJOR_VERSION;
173 req->vfdev_info.fw_minor = FW_MINOR_VERSION;
174 req->vfdev_info.fw_revision = FW_REVISION_VERSION;
175 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
176 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
177 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
178
179 /* Fill capability field with any non-deprecated config we support */
180 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
181
182 /* pf 2 vf bulletin board address */
183 req->bulletin_addr = p_iov->bulletin.phys;
184 req->bulletin_size = p_iov->bulletin.size;
185
186 /* add list termination tlv */
187 qed_add_tlv(p_hwfn, &p_iov->offset,
188 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
189
190 while (!resources_acquired) {
191 DP_VERBOSE(p_hwfn,
192 QED_MSG_IOV, "attempting to acquire resources\n");
193
194 /* send acquire request */
195 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
196 if (rc)
197 return rc;
198
199 /* copy acquire response from buffer to p_hwfn */
200 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
201
202 attempts++;
203
204 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
205 /* PF agrees to allocate our resources */
206 if (!(resp->pfdev_info.capabilities &
207 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
208 DP_INFO(p_hwfn,
209 "PF is using old incompatible driver; Either downgrade driver or request provider to update hypervisor version\n");
210 return -EINVAL;
211 }
212 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
213 resources_acquired = true;
214 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
215 attempts < VF_ACQUIRE_THRESH) {
216 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
217 &resp->resc);
218
219 /* Clear response buffer */
220 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
221 } else if ((resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) &&
222 pfdev_info->major_fp_hsi &&
223 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
224 DP_NOTICE(p_hwfn,
225 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
226 pfdev_info->major_fp_hsi,
227 pfdev_info->minor_fp_hsi,
228 ETH_HSI_VER_MAJOR,
229 ETH_HSI_VER_MINOR, pfdev_info->major_fp_hsi);
230 return -EINVAL;
231 } else {
232 DP_ERR(p_hwfn,
233 "PF returned error %d to VF acquisition request\n",
234 resp->hdr.status);
235 return -EAGAIN;
236 }
237 }
238
239 /* Update bulletin board size with response from PF */
240 p_iov->bulletin.size = resp->bulletin_size;
241
242 /* get HW info */
243 p_hwfn->cdev->type = resp->pfdev_info.dev_type;
244 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
245
246 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
247
248 /* Learn of the possibility of CMT */
249 if (IS_LEAD_HWFN(p_hwfn)) {
250 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
251 DP_NOTICE(p_hwfn, "100g VF\n");
252 p_hwfn->cdev->num_hwfns = 2;
253 }
254 }
255
256 if (ETH_HSI_VER_MINOR &&
257 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
258 DP_INFO(p_hwfn,
259 "PF is using older fastpath HSI; %02x.%02x is configured\n",
260 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
261 }
262
263 return 0;
264 }
265
266 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
267 {
268 struct qed_vf_iov *p_iov;
269 u32 reg;
270
271 /* Set number of hwfns - might be overriden once leading hwfn learns
272 * actual configuration from PF.
273 */
274 if (IS_LEAD_HWFN(p_hwfn))
275 p_hwfn->cdev->num_hwfns = 1;
276
277 /* Set the doorbell bar. Assumption: regview is set */
278 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
279 PXP_VF_BAR0_START_DQ;
280
281 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
282 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
283
284 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
285 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
286
287 /* Allocate vf sriov info */
288 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
289 if (!p_iov) {
290 DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_sriov'\n");
291 return -ENOMEM;
292 }
293
294 /* Allocate vf2pf msg */
295 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
296 sizeof(union vfpf_tlvs),
297 &p_iov->vf2pf_request_phys,
298 GFP_KERNEL);
299 if (!p_iov->vf2pf_request) {
300 DP_NOTICE(p_hwfn,
301 "Failed to allocate `vf2pf_request' DMA memory\n");
302 goto free_p_iov;
303 }
304
305 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
306 sizeof(union pfvf_tlvs),
307 &p_iov->pf2vf_reply_phys,
308 GFP_KERNEL);
309 if (!p_iov->pf2vf_reply) {
310 DP_NOTICE(p_hwfn,
311 "Failed to allocate `pf2vf_reply' DMA memory\n");
312 goto free_vf2pf_request;
313 }
314
315 DP_VERBOSE(p_hwfn,
316 QED_MSG_IOV,
317 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
318 p_iov->vf2pf_request,
319 (u64) p_iov->vf2pf_request_phys,
320 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
321
322 /* Allocate Bulletin board */
323 p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
324 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
325 p_iov->bulletin.size,
326 &p_iov->bulletin.phys,
327 GFP_KERNEL);
328 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
329 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
330 p_iov->bulletin.p_virt,
331 (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
332
333 mutex_init(&p_iov->mutex);
334
335 p_hwfn->vf_iov_info = p_iov;
336
337 p_hwfn->hw_info.personality = QED_PCI_ETH;
338
339 return qed_vf_pf_acquire(p_hwfn);
340
341 free_vf2pf_request:
342 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
343 sizeof(union vfpf_tlvs),
344 p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
345 free_p_iov:
346 kfree(p_iov);
347
348 return -ENOMEM;
349 }
350
351 int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
352 u8 rx_qid,
353 u16 sb,
354 u8 sb_index,
355 u16 bd_max_bytes,
356 dma_addr_t bd_chain_phys_addr,
357 dma_addr_t cqe_pbl_addr,
358 u16 cqe_pbl_size, void __iomem **pp_prod)
359 {
360 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
361 struct pfvf_start_queue_resp_tlv *resp;
362 struct vfpf_start_rxq_tlv *req;
363 int rc;
364
365 /* clear mailbox and prep first tlv */
366 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
367
368 req->rx_qid = rx_qid;
369 req->cqe_pbl_addr = cqe_pbl_addr;
370 req->cqe_pbl_size = cqe_pbl_size;
371 req->rxq_addr = bd_chain_phys_addr;
372 req->hw_sb = sb;
373 req->sb_index = sb_index;
374 req->bd_max_bytes = bd_max_bytes;
375 req->stat_id = -1;
376
377 /* add list termination tlv */
378 qed_add_tlv(p_hwfn, &p_iov->offset,
379 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
380
381 resp = &p_iov->pf2vf_reply->queue_start;
382 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
383 if (rc)
384 return rc;
385
386 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
387 return -EINVAL;
388
389 /* Learn the address of the producer from the response */
390 if (pp_prod) {
391 u32 init_prod_val = 0;
392
393 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
394 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
395 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
396 rx_qid, *pp_prod, resp->offset);
397
398 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
399 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
400 (u32 *)&init_prod_val);
401 }
402
403 return rc;
404 }
405
406 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn, u16 rx_qid, bool cqe_completion)
407 {
408 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
409 struct vfpf_stop_rxqs_tlv *req;
410 struct pfvf_def_resp_tlv *resp;
411 int rc;
412
413 /* clear mailbox and prep first tlv */
414 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
415
416 req->rx_qid = rx_qid;
417 req->num_rxqs = 1;
418 req->cqe_completion = cqe_completion;
419
420 /* add list termination tlv */
421 qed_add_tlv(p_hwfn, &p_iov->offset,
422 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
423
424 resp = &p_iov->pf2vf_reply->default_resp;
425 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
426 if (rc)
427 return rc;
428
429 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
430 return -EINVAL;
431
432 return rc;
433 }
434
435 int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
436 u16 tx_queue_id,
437 u16 sb,
438 u8 sb_index,
439 dma_addr_t pbl_addr,
440 u16 pbl_size, void __iomem **pp_doorbell)
441 {
442 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
443 struct pfvf_start_queue_resp_tlv *resp;
444 struct vfpf_start_txq_tlv *req;
445 int rc;
446
447 /* clear mailbox and prep first tlv */
448 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
449
450 req->tx_qid = tx_queue_id;
451
452 /* Tx */
453 req->pbl_addr = pbl_addr;
454 req->pbl_size = pbl_size;
455 req->hw_sb = sb;
456 req->sb_index = sb_index;
457
458 /* add list termination tlv */
459 qed_add_tlv(p_hwfn, &p_iov->offset,
460 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
461
462 resp = &p_iov->pf2vf_reply->queue_start;
463 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
464 if (rc)
465 goto exit;
466
467 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
468 rc = -EINVAL;
469 goto exit;
470 }
471
472 if (pp_doorbell) {
473 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
474
475 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
476 "Txq[0x%02x]: doorbell at %p [offset 0x%08x]\n",
477 tx_queue_id, *pp_doorbell, resp->offset);
478 }
479 exit:
480
481 return rc;
482 }
483
484 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, u16 tx_qid)
485 {
486 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
487 struct vfpf_stop_txqs_tlv *req;
488 struct pfvf_def_resp_tlv *resp;
489 int rc;
490
491 /* clear mailbox and prep first tlv */
492 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
493
494 req->tx_qid = tx_qid;
495 req->num_txqs = 1;
496
497 /* add list termination tlv */
498 qed_add_tlv(p_hwfn, &p_iov->offset,
499 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
500
501 resp = &p_iov->pf2vf_reply->default_resp;
502 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
503 if (rc)
504 return rc;
505
506 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
507 return -EINVAL;
508
509 return rc;
510 }
511
512 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
513 u8 vport_id,
514 u16 mtu,
515 u8 inner_vlan_removal,
516 enum qed_tpa_mode tpa_mode,
517 u8 max_buffers_per_cqe, u8 only_untagged)
518 {
519 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
520 struct vfpf_vport_start_tlv *req;
521 struct pfvf_def_resp_tlv *resp;
522 int rc, i;
523
524 /* clear mailbox and prep first tlv */
525 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
526
527 req->mtu = mtu;
528 req->vport_id = vport_id;
529 req->inner_vlan_removal = inner_vlan_removal;
530 req->tpa_mode = tpa_mode;
531 req->max_buffers_per_cqe = max_buffers_per_cqe;
532 req->only_untagged = only_untagged;
533
534 /* status blocks */
535 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++)
536 if (p_hwfn->sbs_info[i])
537 req->sb_addr[i] = p_hwfn->sbs_info[i]->sb_phys;
538
539 /* add list termination tlv */
540 qed_add_tlv(p_hwfn, &p_iov->offset,
541 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
542
543 resp = &p_iov->pf2vf_reply->default_resp;
544 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
545 if (rc)
546 return rc;
547
548 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
549 return -EINVAL;
550
551 return rc;
552 }
553
554 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
555 {
556 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
557 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
558 int rc;
559
560 /* clear mailbox and prep first tlv */
561 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
562 sizeof(struct vfpf_first_tlv));
563
564 /* add list termination tlv */
565 qed_add_tlv(p_hwfn, &p_iov->offset,
566 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
567
568 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
569 if (rc)
570 return rc;
571
572 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
573 return -EINVAL;
574
575 return rc;
576 }
577
578 static bool
579 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
580 struct qed_sp_vport_update_params *p_data,
581 u16 tlv)
582 {
583 switch (tlv) {
584 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
585 return !!(p_data->update_vport_active_rx_flg ||
586 p_data->update_vport_active_tx_flg);
587 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
588 return !!p_data->update_tx_switching_flg;
589 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
590 return !!p_data->update_inner_vlan_removal_flg;
591 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
592 return !!p_data->update_accept_any_vlan_flg;
593 case CHANNEL_TLV_VPORT_UPDATE_MCAST:
594 return !!p_data->update_approx_mcast_flg;
595 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
596 return !!(p_data->accept_flags.update_rx_mode_config ||
597 p_data->accept_flags.update_tx_mode_config);
598 case CHANNEL_TLV_VPORT_UPDATE_RSS:
599 return !!p_data->rss_params;
600 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
601 return !!p_data->sge_tpa_params;
602 default:
603 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
604 tlv);
605 return false;
606 }
607 }
608
609 static void
610 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
611 struct qed_sp_vport_update_params *p_data)
612 {
613 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
614 struct pfvf_def_resp_tlv *p_resp;
615 u16 tlv;
616
617 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
618 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
619 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
620 continue;
621
622 p_resp = (struct pfvf_def_resp_tlv *)
623 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
624 tlv);
625 if (p_resp && p_resp->hdr.status)
626 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
627 "TLV[%d] Configuration %s\n",
628 tlv,
629 (p_resp && p_resp->hdr.status) ? "succeeded"
630 : "failed");
631 }
632 }
633
634 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
635 struct qed_sp_vport_update_params *p_params)
636 {
637 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
638 struct vfpf_vport_update_tlv *req;
639 struct pfvf_def_resp_tlv *resp;
640 u8 update_rx, update_tx;
641 u32 resp_size = 0;
642 u16 size, tlv;
643 int rc;
644
645 resp = &p_iov->pf2vf_reply->default_resp;
646 resp_size = sizeof(*resp);
647
648 update_rx = p_params->update_vport_active_rx_flg;
649 update_tx = p_params->update_vport_active_tx_flg;
650
651 /* clear mailbox and prep header tlv */
652 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
653
654 /* Prepare extended tlvs */
655 if (update_rx || update_tx) {
656 struct vfpf_vport_update_activate_tlv *p_act_tlv;
657
658 size = sizeof(struct vfpf_vport_update_activate_tlv);
659 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
660 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
661 size);
662 resp_size += sizeof(struct pfvf_def_resp_tlv);
663
664 if (update_rx) {
665 p_act_tlv->update_rx = update_rx;
666 p_act_tlv->active_rx = p_params->vport_active_rx_flg;
667 }
668
669 if (update_tx) {
670 p_act_tlv->update_tx = update_tx;
671 p_act_tlv->active_tx = p_params->vport_active_tx_flg;
672 }
673 }
674
675 if (p_params->update_tx_switching_flg) {
676 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
677
678 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
679 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
680 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
681 tlv, size);
682 resp_size += sizeof(struct pfvf_def_resp_tlv);
683
684 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
685 }
686
687 if (p_params->update_approx_mcast_flg) {
688 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
689
690 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
691 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
692 CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
693 resp_size += sizeof(struct pfvf_def_resp_tlv);
694
695 memcpy(p_mcast_tlv->bins, p_params->bins,
696 sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
697 }
698
699 update_rx = p_params->accept_flags.update_rx_mode_config;
700 update_tx = p_params->accept_flags.update_tx_mode_config;
701
702 if (update_rx || update_tx) {
703 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
704
705 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
706 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
707 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
708 resp_size += sizeof(struct pfvf_def_resp_tlv);
709
710 if (update_rx) {
711 p_accept_tlv->update_rx_mode = update_rx;
712 p_accept_tlv->rx_accept_filter =
713 p_params->accept_flags.rx_accept_filter;
714 }
715
716 if (update_tx) {
717 p_accept_tlv->update_tx_mode = update_tx;
718 p_accept_tlv->tx_accept_filter =
719 p_params->accept_flags.tx_accept_filter;
720 }
721 }
722
723 if (p_params->rss_params) {
724 struct qed_rss_params *rss_params = p_params->rss_params;
725 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
726
727 size = sizeof(struct vfpf_vport_update_rss_tlv);
728 p_rss_tlv = qed_add_tlv(p_hwfn,
729 &p_iov->offset,
730 CHANNEL_TLV_VPORT_UPDATE_RSS, size);
731 resp_size += sizeof(struct pfvf_def_resp_tlv);
732
733 if (rss_params->update_rss_config)
734 p_rss_tlv->update_rss_flags |=
735 VFPF_UPDATE_RSS_CONFIG_FLAG;
736 if (rss_params->update_rss_capabilities)
737 p_rss_tlv->update_rss_flags |=
738 VFPF_UPDATE_RSS_CAPS_FLAG;
739 if (rss_params->update_rss_ind_table)
740 p_rss_tlv->update_rss_flags |=
741 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
742 if (rss_params->update_rss_key)
743 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
744
745 p_rss_tlv->rss_enable = rss_params->rss_enable;
746 p_rss_tlv->rss_caps = rss_params->rss_caps;
747 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
748 memcpy(p_rss_tlv->rss_ind_table, rss_params->rss_ind_table,
749 sizeof(rss_params->rss_ind_table));
750 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
751 sizeof(rss_params->rss_key));
752 }
753
754 if (p_params->update_accept_any_vlan_flg) {
755 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
756
757 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
758 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
759 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
760
761 resp_size += sizeof(struct pfvf_def_resp_tlv);
762 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
763 p_any_vlan_tlv->update_accept_any_vlan_flg =
764 p_params->update_accept_any_vlan_flg;
765 }
766
767 /* add list termination tlv */
768 qed_add_tlv(p_hwfn, &p_iov->offset,
769 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
770
771 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
772 if (rc)
773 return rc;
774
775 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
776 return -EINVAL;
777
778 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
779
780 return rc;
781 }
782
783 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
784 {
785 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
786 struct pfvf_def_resp_tlv *resp;
787 struct vfpf_first_tlv *req;
788 int rc;
789
790 /* clear mailbox and prep first tlv */
791 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
792
793 /* add list termination tlv */
794 qed_add_tlv(p_hwfn, &p_iov->offset,
795 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
796
797 resp = &p_iov->pf2vf_reply->default_resp;
798 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
799 if (rc)
800 return rc;
801
802 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
803 return -EAGAIN;
804
805 p_hwfn->b_int_enabled = 0;
806
807 return 0;
808 }
809
810 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
811 {
812 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
813 struct pfvf_def_resp_tlv *resp;
814 struct vfpf_first_tlv *req;
815 u32 size;
816 int rc;
817
818 /* clear mailbox and prep first tlv */
819 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
820
821 /* add list termination tlv */
822 qed_add_tlv(p_hwfn, &p_iov->offset,
823 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
824
825 resp = &p_iov->pf2vf_reply->default_resp;
826 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
827
828 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
829 rc = -EAGAIN;
830
831 p_hwfn->b_int_enabled = 0;
832
833 if (p_iov->vf2pf_request)
834 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
835 sizeof(union vfpf_tlvs),
836 p_iov->vf2pf_request,
837 p_iov->vf2pf_request_phys);
838 if (p_iov->pf2vf_reply)
839 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
840 sizeof(union pfvf_tlvs),
841 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
842
843 if (p_iov->bulletin.p_virt) {
844 size = sizeof(struct qed_bulletin_content);
845 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
846 size,
847 p_iov->bulletin.p_virt, p_iov->bulletin.phys);
848 }
849
850 kfree(p_hwfn->vf_iov_info);
851 p_hwfn->vf_iov_info = NULL;
852
853 return rc;
854 }
855
856 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
857 struct qed_filter_mcast *p_filter_cmd)
858 {
859 struct qed_sp_vport_update_params sp_params;
860 int i;
861
862 memset(&sp_params, 0, sizeof(sp_params));
863 sp_params.update_approx_mcast_flg = 1;
864
865 if (p_filter_cmd->opcode == QED_FILTER_ADD) {
866 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
867 u32 bit;
868
869 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
870 __set_bit(bit, sp_params.bins);
871 }
872 }
873
874 qed_vf_pf_vport_update(p_hwfn, &sp_params);
875 }
876
877 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
878 struct qed_filter_ucast *p_ucast)
879 {
880 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
881 struct vfpf_ucast_filter_tlv *req;
882 struct pfvf_def_resp_tlv *resp;
883 int rc;
884
885 /* clear mailbox and prep first tlv */
886 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
887 req->opcode = (u8) p_ucast->opcode;
888 req->type = (u8) p_ucast->type;
889 memcpy(req->mac, p_ucast->mac, ETH_ALEN);
890 req->vlan = p_ucast->vlan;
891
892 /* add list termination tlv */
893 qed_add_tlv(p_hwfn, &p_iov->offset,
894 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
895
896 resp = &p_iov->pf2vf_reply->default_resp;
897 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
898 if (rc)
899 return rc;
900
901 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
902 return -EAGAIN;
903
904 return 0;
905 }
906
907 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
908 {
909 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
910 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
911 int rc;
912
913 /* clear mailbox and prep first tlv */
914 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
915 sizeof(struct vfpf_first_tlv));
916
917 /* add list termination tlv */
918 qed_add_tlv(p_hwfn, &p_iov->offset,
919 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
920
921 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
922 if (rc)
923 return rc;
924
925 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
926 return -EINVAL;
927
928 return 0;
929 }
930
931 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
932 {
933 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
934
935 if (!p_iov) {
936 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
937 return 0;
938 }
939
940 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
941 }
942
943 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
944 {
945 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
946 struct qed_bulletin_content shadow;
947 u32 crc, crc_size;
948
949 crc_size = sizeof(p_iov->bulletin.p_virt->crc);
950 *p_change = 0;
951
952 /* Need to guarantee PF is not in the middle of writing it */
953 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
954
955 /* If version did not update, no need to do anything */
956 if (shadow.version == p_iov->bulletin_shadow.version)
957 return 0;
958
959 /* Verify the bulletin we see is valid */
960 crc = crc32(0, (u8 *)&shadow + crc_size,
961 p_iov->bulletin.size - crc_size);
962 if (crc != shadow.crc)
963 return -EAGAIN;
964
965 /* Set the shadow bulletin and process it */
966 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
967
968 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
969 "Read a bulletin update %08x\n", shadow.version);
970
971 *p_change = 1;
972
973 return 0;
974 }
975
976 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
977 struct qed_mcp_link_params *p_params,
978 struct qed_bulletin_content *p_bulletin)
979 {
980 memset(p_params, 0, sizeof(*p_params));
981
982 p_params->speed.autoneg = p_bulletin->req_autoneg;
983 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
984 p_params->speed.forced_speed = p_bulletin->req_forced_speed;
985 p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
986 p_params->pause.forced_rx = p_bulletin->req_forced_rx;
987 p_params->pause.forced_tx = p_bulletin->req_forced_tx;
988 p_params->loopback_mode = p_bulletin->req_loopback;
989 }
990
991 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
992 struct qed_mcp_link_params *params)
993 {
994 __qed_vf_get_link_params(p_hwfn, params,
995 &(p_hwfn->vf_iov_info->bulletin_shadow));
996 }
997
998 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
999 struct qed_mcp_link_state *p_link,
1000 struct qed_bulletin_content *p_bulletin)
1001 {
1002 memset(p_link, 0, sizeof(*p_link));
1003
1004 p_link->link_up = p_bulletin->link_up;
1005 p_link->speed = p_bulletin->speed;
1006 p_link->full_duplex = p_bulletin->full_duplex;
1007 p_link->an = p_bulletin->autoneg;
1008 p_link->an_complete = p_bulletin->autoneg_complete;
1009 p_link->parallel_detection = p_bulletin->parallel_detection;
1010 p_link->pfc_enabled = p_bulletin->pfc_enabled;
1011 p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1012 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1013 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1014 p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1015 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1016 }
1017
1018 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1019 struct qed_mcp_link_state *link)
1020 {
1021 __qed_vf_get_link_state(p_hwfn, link,
1022 &(p_hwfn->vf_iov_info->bulletin_shadow));
1023 }
1024
1025 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1026 struct qed_mcp_link_capabilities *p_link_caps,
1027 struct qed_bulletin_content *p_bulletin)
1028 {
1029 memset(p_link_caps, 0, sizeof(*p_link_caps));
1030 p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1031 }
1032
1033 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1034 struct qed_mcp_link_capabilities *p_link_caps)
1035 {
1036 __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1037 &(p_hwfn->vf_iov_info->bulletin_shadow));
1038 }
1039
1040 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1041 {
1042 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1043 }
1044
1045 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1046 {
1047 memcpy(port_mac,
1048 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1049 }
1050
1051 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1052 {
1053 struct qed_vf_iov *p_vf;
1054
1055 p_vf = p_hwfn->vf_iov_info;
1056 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1057 }
1058
1059 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1060 {
1061 struct qed_bulletin_content *bulletin;
1062
1063 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1064 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1065 return true;
1066
1067 /* Forbid VF from changing a MAC enforced by PF */
1068 if (ether_addr_equal(bulletin->mac, mac))
1069 return false;
1070
1071 return false;
1072 }
1073
1074 bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1075 u8 *dst_mac, u8 *p_is_forced)
1076 {
1077 struct qed_bulletin_content *bulletin;
1078
1079 bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1080
1081 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1082 if (p_is_forced)
1083 *p_is_forced = 1;
1084 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1085 if (p_is_forced)
1086 *p_is_forced = 0;
1087 } else {
1088 return false;
1089 }
1090
1091 ether_addr_copy(dst_mac, bulletin->mac);
1092
1093 return true;
1094 }
1095
1096 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1097 u16 *fw_major, u16 *fw_minor,
1098 u16 *fw_rev, u16 *fw_eng)
1099 {
1100 struct pf_vf_pfdev_info *info;
1101
1102 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1103
1104 *fw_major = info->fw_major;
1105 *fw_minor = info->fw_minor;
1106 *fw_rev = info->fw_rev;
1107 *fw_eng = info->fw_eng;
1108 }
1109
1110 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1111 {
1112 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1113 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1114 void *cookie = hwfn->cdev->ops_cookie;
1115
1116 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1117 &is_mac_forced);
1118 if (is_mac_exist && is_mac_forced && cookie)
1119 ops->force_mac(cookie, mac);
1120
1121 /* Always update link configuration according to bulletin */
1122 qed_link_update(hwfn);
1123 }
1124
1125 void qed_iov_vf_task(struct work_struct *work)
1126 {
1127 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1128 iov_task.work);
1129 u8 change = 0;
1130
1131 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1132 return;
1133
1134 /* Handle bulletin board changes */
1135 qed_vf_read_bulletin(hwfn, &change);
1136 if (change)
1137 qed_handle_bulletin_change(hwfn);
1138
1139 /* As VF is polling bulletin board, need to constantly re-schedule */
1140 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1141 }
Linux kernel - Deliverables
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