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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / ethernet / qlogic / qed / qed_vf.c
blob856051f50eb7538222a32f450b5a192cd6d3ea81
1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33 #include <linux/crc32.h>
34 #include <linux/etherdevice.h>
35 #include "qed.h"
36 #include "qed_sriov.h"
37 #include "qed_vf.h"
38
39 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
40 {
41 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
42 void *p_tlv;
43
44 /* This lock is released when we receive PF's response
45 * in qed_send_msg2pf().
46 * So, qed_vf_pf_prep() and qed_send_msg2pf()
47 * must come in sequence.
48 */
49 mutex_lock(&(p_iov->mutex));
50
51 DP_VERBOSE(p_hwfn,
52 QED_MSG_IOV,
53 "preparing to send 0x%04x tlv over vf pf channel\n",
54 type);
55
56 /* Reset Requst offset */
57 p_iov->offset = (u8 *)p_iov->vf2pf_request;
58
59 /* Clear mailbox - both request and reply */
60 memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
61 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
62
63 /* Init type and length */
64 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
65
66 /* Init first tlv header */
67 ((struct vfpf_first_tlv *)p_tlv)->reply_address =
68 (u64)p_iov->pf2vf_reply_phys;
69
70 return p_tlv;
71 }
72
73 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
74 {
75 union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
76
77 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
78 "VF request status = 0x%x, PF reply status = 0x%x\n",
79 req_status, resp->default_resp.hdr.status);
80
81 mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
82 }
83
84 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
85 {
86 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
87 struct ustorm_trigger_vf_zone trigger;
88 struct ustorm_vf_zone *zone_data;
89 int rc = 0, time = 100;
90
91 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
92
93 /* output tlvs list */
94 qed_dp_tlv_list(p_hwfn, p_req);
95
96 /* need to add the END TLV to the message size */
97 resp_size += sizeof(struct channel_list_end_tlv);
98
99 /* Send TLVs over HW channel */
100 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
101 trigger.vf_pf_msg_valid = 1;
102
103 DP_VERBOSE(p_hwfn,
104 QED_MSG_IOV,
105 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
106 GET_FIELD(p_hwfn->hw_info.concrete_fid,
107 PXP_CONCRETE_FID_PFID),
108 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
109 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
110 &zone_data->non_trigger.vf_pf_msg_addr,
111 *((u32 *)&trigger), &zone_data->trigger);
112
113 REG_WR(p_hwfn,
114 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
115 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
116
117 REG_WR(p_hwfn,
118 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
119 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
120
121 /* The message data must be written first, to prevent trigger before
122 * data is written.
123 */
124 wmb();
125
126 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
127
128 /* When PF would be done with the response, it would write back to the
129 * `done' address. Poll until then.
130 */
131 while ((!*done) && time) {
132 msleep(25);
133 time--;
134 }
135
136 if (!*done) {
137 DP_NOTICE(p_hwfn,
138 "VF <-- PF Timeout [Type %d]\n",
139 p_req->first_tlv.tl.type);
140 rc = -EBUSY;
141 } else {
142 if ((*done != PFVF_STATUS_SUCCESS) &&
143 (*done != PFVF_STATUS_NO_RESOURCE))
144 DP_NOTICE(p_hwfn,
145 "PF response: %d [Type %d]\n",
146 *done, p_req->first_tlv.tl.type);
147 else
148 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
149 "PF response: %d [Type %d]\n",
150 *done, p_req->first_tlv.tl.type);
151 }
152
153 return rc;
154 }
155
156 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
157 struct qed_queue_cid *p_cid)
158 {
159 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
160 struct vfpf_qid_tlv *p_qid_tlv;
161
162 /* Only add QIDs for the queue if it was negotiated with PF */
163 if (!(p_iov->acquire_resp.pfdev_info.capabilities &
164 PFVF_ACQUIRE_CAP_QUEUE_QIDS))
165 return;
166
167 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
168 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
169 p_qid_tlv->qid = p_cid->qid_usage_idx;
170 }
171
172 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
173 {
174 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
175 struct pfvf_def_resp_tlv *resp;
176 struct vfpf_first_tlv *req;
177 u32 size;
178 int rc;
179
180 /* clear mailbox and prep first tlv */
181 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
182
183 /* add list termination tlv */
184 qed_add_tlv(p_hwfn, &p_iov->offset,
185 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
186
187 resp = &p_iov->pf2vf_reply->default_resp;
188 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
189
190 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
191 rc = -EAGAIN;
192
193 qed_vf_pf_req_end(p_hwfn, rc);
194 if (!b_final)
195 return rc;
196
197 p_hwfn->b_int_enabled = 0;
198
199 if (p_iov->vf2pf_request)
200 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
201 sizeof(union vfpf_tlvs),
202 p_iov->vf2pf_request,
203 p_iov->vf2pf_request_phys);
204 if (p_iov->pf2vf_reply)
205 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
206 sizeof(union pfvf_tlvs),
207 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
208
209 if (p_iov->bulletin.p_virt) {
210 size = sizeof(struct qed_bulletin_content);
211 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
212 size,
213 p_iov->bulletin.p_virt, p_iov->bulletin.phys);
214 }
215
216 kfree(p_hwfn->vf_iov_info);
217 p_hwfn->vf_iov_info = NULL;
218
219 return rc;
220 }
221
222 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
223 {
224 return _qed_vf_pf_release(p_hwfn, true);
225 }
226
227 #define VF_ACQUIRE_THRESH 3
228 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
229 struct vf_pf_resc_request *p_req,
230 struct pf_vf_resc *p_resp)
231 {
232 DP_VERBOSE(p_hwfn,
233 QED_MSG_IOV,
234 "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
235 p_req->num_rxqs,
236 p_resp->num_rxqs,
237 p_req->num_rxqs,
238 p_resp->num_txqs,
239 p_req->num_sbs,
240 p_resp->num_sbs,
241 p_req->num_mac_filters,
242 p_resp->num_mac_filters,
243 p_req->num_vlan_filters,
244 p_resp->num_vlan_filters,
245 p_req->num_mc_filters,
246 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
247
248 /* humble our request */
249 p_req->num_txqs = p_resp->num_txqs;
250 p_req->num_rxqs = p_resp->num_rxqs;
251 p_req->num_sbs = p_resp->num_sbs;
252 p_req->num_mac_filters = p_resp->num_mac_filters;
253 p_req->num_vlan_filters = p_resp->num_vlan_filters;
254 p_req->num_mc_filters = p_resp->num_mc_filters;
255 p_req->num_cids = p_resp->num_cids;
256 }
257
258 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
259 {
260 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
261 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
262 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
263 struct vf_pf_resc_request *p_resc;
264 u8 retry_cnt = VF_ACQUIRE_THRESH;
265 bool resources_acquired = false;
266 struct vfpf_acquire_tlv *req;
267 int rc = 0, attempts = 0;
268
269 /* clear mailbox and prep first tlv */
270 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
271 p_resc = &req->resc_request;
272
273 /* starting filling the request */
274 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
275
276 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
277 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
278 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
279 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
280 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
281 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
282
283 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
284 req->vfdev_info.fw_major = FW_MAJOR_VERSION;
285 req->vfdev_info.fw_minor = FW_MINOR_VERSION;
286 req->vfdev_info.fw_revision = FW_REVISION_VERSION;
287 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
288 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
289 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
290
291 /* Fill capability field with any non-deprecated config we support */
292 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
293
294 /* If we've mapped the doorbell bar, try using queue qids */
295 if (p_iov->b_doorbell_bar) {
296 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
297 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
298 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
299 }
300
301 /* pf 2 vf bulletin board address */
302 req->bulletin_addr = p_iov->bulletin.phys;
303 req->bulletin_size = p_iov->bulletin.size;
304
305 /* add list termination tlv */
306 qed_add_tlv(p_hwfn, &p_iov->offset,
307 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
308
309 while (!resources_acquired) {
310 DP_VERBOSE(p_hwfn,
311 QED_MSG_IOV, "attempting to acquire resources\n");
312
313 /* Clear response buffer, as this might be a re-send */
314 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
315
316 /* send acquire request */
317 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
318
319 /* Re-try acquire in case of vf-pf hw channel timeout */
320 if (retry_cnt && rc == -EBUSY) {
321 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
322 "VF retrying to acquire due to VPC timeout\n");
323 retry_cnt--;
324 continue;
325 }
326
327 if (rc)
328 goto exit;
329
330 /* copy acquire response from buffer to p_hwfn */
331 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
332
333 attempts++;
334
335 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
336 /* PF agrees to allocate our resources */
337 if (!(resp->pfdev_info.capabilities &
338 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
339 /* It's possible legacy PF mistakenly accepted;
340 * but we don't care - simply mark it as
341 * legacy and continue.
342 */
343 req->vfdev_info.capabilities |=
344 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
345 }
346 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
347 resources_acquired = true;
348 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
349 attempts < VF_ACQUIRE_THRESH) {
350 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
351 &resp->resc);
352 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
353 if (pfdev_info->major_fp_hsi &&
354 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
355 DP_NOTICE(p_hwfn,
356 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
357 pfdev_info->major_fp_hsi,
358 pfdev_info->minor_fp_hsi,
359 ETH_HSI_VER_MAJOR,
360 ETH_HSI_VER_MINOR,
361 pfdev_info->major_fp_hsi);
362 rc = -EINVAL;
363 goto exit;
364 }
365
366 if (!pfdev_info->major_fp_hsi) {
367 if (req->vfdev_info.capabilities &
368 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
369 DP_NOTICE(p_hwfn,
370 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
371 rc = -EINVAL;
372 goto exit;
373 } else {
374 DP_INFO(p_hwfn,
375 "PF is old - try re-acquire to see if it supports FW-version override\n");
376 req->vfdev_info.capabilities |=
377 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
378 continue;
379 }
380 }
381
382 /* If PF/VF are using same Major, PF must have had
383 * it's reasons. Simply fail.
384 */
385 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
386 rc = -EINVAL;
387 goto exit;
388 } else {
389 DP_ERR(p_hwfn,
390 "PF returned error %d to VF acquisition request\n",
391 resp->hdr.status);
392 rc = -EAGAIN;
393 goto exit;
394 }
395 }
396
397 /* Mark the PF as legacy, if needed */
398 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
399 p_iov->b_pre_fp_hsi = true;
400
401 /* In case PF doesn't support multi-queue Tx, update the number of
402 * CIDs to reflect the number of queues [older PFs didn't fill that
403 * field].
404 */
405 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
406 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
407
408 /* Update bulletin board size with response from PF */
409 p_iov->bulletin.size = resp->bulletin_size;
410
411 /* get HW info */
412 p_hwfn->cdev->type = resp->pfdev_info.dev_type;
413 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
414
415 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
416
417 /* Learn of the possibility of CMT */
418 if (IS_LEAD_HWFN(p_hwfn)) {
419 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
420 DP_NOTICE(p_hwfn, "100g VF\n");
421 p_hwfn->cdev->num_hwfns = 2;
422 }
423 }
424
425 if (!p_iov->b_pre_fp_hsi &&
426 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
427 DP_INFO(p_hwfn,
428 "PF is using older fastpath HSI; %02x.%02x is configured\n",
429 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
430 }
431
432 exit:
433 qed_vf_pf_req_end(p_hwfn, rc);
434
435 return rc;
436 }
437
438 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
439 {
440 u32 bar_size;
441
442 /* Regview size is fixed */
443 if (bar_id == BAR_ID_0)
444 return 1 << 17;
445
446 /* Doorbell is received from PF */
447 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
448 if (bar_size)
449 return 1 << bar_size;
450 return 0;
451 }
452
453 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
454 {
455 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
456 struct qed_vf_iov *p_iov;
457 u32 reg;
458 int rc;
459
460 /* Set number of hwfns - might be overriden once leading hwfn learns
461 * actual configuration from PF.
462 */
463 if (IS_LEAD_HWFN(p_hwfn))
464 p_hwfn->cdev->num_hwfns = 1;
465
466 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
467 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
468
469 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
470 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
471
472 /* Allocate vf sriov info */
473 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
474 if (!p_iov)
475 return -ENOMEM;
476
477 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
478 * value, but there are several incompatibily scenarios where that
479 * would be incorrect and we'd need to override it.
480 */
481 if (!p_hwfn->doorbells) {
482 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
483 PXP_VF_BAR0_START_DQ;
484 } else if (p_hwfn == p_lead) {
485 /* For leading hw-function, value is always correct, but need
486 * to handle scenario where legacy PF would not support 100g
487 * mapped bars later.
488 */
489 p_iov->b_doorbell_bar = true;
490 } else {
491 /* here, value would be correct ONLY if the leading hwfn
492 * received indication that mapped-bars are supported.
493 */
494 if (p_lead->vf_iov_info->b_doorbell_bar)
495 p_iov->b_doorbell_bar = true;
496 else
497 p_hwfn->doorbells = (u8 __iomem *)
498 p_hwfn->regview + PXP_VF_BAR0_START_DQ;
499 }
500
501 /* Allocate vf2pf msg */
502 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
503 sizeof(union vfpf_tlvs),
504 &p_iov->vf2pf_request_phys,
505 GFP_KERNEL);
506 if (!p_iov->vf2pf_request)
507 goto free_p_iov;
508
509 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
510 sizeof(union pfvf_tlvs),
511 &p_iov->pf2vf_reply_phys,
512 GFP_KERNEL);
513 if (!p_iov->pf2vf_reply)
514 goto free_vf2pf_request;
515
516 DP_VERBOSE(p_hwfn,
517 QED_MSG_IOV,
518 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
519 p_iov->vf2pf_request,
520 (u64) p_iov->vf2pf_request_phys,
521 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
522
523 /* Allocate Bulletin board */
524 p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
525 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
526 p_iov->bulletin.size,
527 &p_iov->bulletin.phys,
528 GFP_KERNEL);
529 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
530 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
531 p_iov->bulletin.p_virt,
532 (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
533
534 mutex_init(&p_iov->mutex);
535
536 p_hwfn->vf_iov_info = p_iov;
537
538 p_hwfn->hw_info.personality = QED_PCI_ETH;
539
540 rc = qed_vf_pf_acquire(p_hwfn);
541
542 /* If VF is 100g using a mapped bar and PF is too old to support that,
543 * acquisition would succeed - but the VF would have no way knowing
544 * the size of the doorbell bar configured in HW and thus will not
545 * know how to split it for 2nd hw-function.
546 * In this case we re-try without the indication of the mapped
547 * doorbell.
548 */
549 if (!rc && p_iov->b_doorbell_bar &&
550 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
551 (p_hwfn->cdev->num_hwfns > 1)) {
552 rc = _qed_vf_pf_release(p_hwfn, false);
553 if (rc)
554 return rc;
555
556 p_iov->b_doorbell_bar = false;
557 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
558 PXP_VF_BAR0_START_DQ;
559 rc = qed_vf_pf_acquire(p_hwfn);
560 }
561
562 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
563 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
564 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
565
566 return rc;
567
568 free_vf2pf_request:
569 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
570 sizeof(union vfpf_tlvs),
571 p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
572 free_p_iov:
573 kfree(p_iov);
574
575 return -ENOMEM;
576 }
577 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
578 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
579 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
580
581 static void
582 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
583 struct qed_tunn_update_type *p_src,
584 enum qed_tunn_mode mask, u8 *p_cls)
585 {
586 if (p_src->b_update_mode) {
587 p_req->tun_mode_update_mask |= BIT(mask);
588
589 if (p_src->b_mode_enabled)
590 p_req->tunn_mode |= BIT(mask);
591 }
592
593 *p_cls = p_src->tun_cls;
594 }
595
596 static void
597 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
598 struct qed_tunn_update_type *p_src,
599 enum qed_tunn_mode mask,
600 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
601 u8 *p_update_port, u16 *p_udp_port)
602 {
603 if (p_port->b_update_port) {
604 *p_update_port = 1;
605 *p_udp_port = p_port->port;
606 }
607
608 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
609 }
610
611 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
612 {
613 if (p_tun->vxlan.b_mode_enabled)
614 p_tun->vxlan.b_update_mode = true;
615 if (p_tun->l2_geneve.b_mode_enabled)
616 p_tun->l2_geneve.b_update_mode = true;
617 if (p_tun->ip_geneve.b_mode_enabled)
618 p_tun->ip_geneve.b_update_mode = true;
619 if (p_tun->l2_gre.b_mode_enabled)
620 p_tun->l2_gre.b_update_mode = true;
621 if (p_tun->ip_gre.b_mode_enabled)
622 p_tun->ip_gre.b_update_mode = true;
623
624 p_tun->b_update_rx_cls = true;
625 p_tun->b_update_tx_cls = true;
626 }
627
628 static void
629 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
630 u16 feature_mask, u8 tunn_mode,
631 u8 tunn_cls, enum qed_tunn_mode val)
632 {
633 if (feature_mask & BIT(val)) {
634 p_tun->b_mode_enabled = tunn_mode;
635 p_tun->tun_cls = tunn_cls;
636 } else {
637 p_tun->b_mode_enabled = false;
638 }
639 }
640
641 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
642 struct qed_tunnel_info *p_tun,
643 struct pfvf_update_tunn_param_tlv *p_resp)
644 {
645 /* Update mode and classes provided by PF */
646 u16 feat_mask = p_resp->tunn_feature_mask;
647
648 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
649 p_resp->vxlan_mode, p_resp->vxlan_clss,
650 QED_MODE_VXLAN_TUNN);
651 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
652 p_resp->l2geneve_mode,
653 p_resp->l2geneve_clss,
654 QED_MODE_L2GENEVE_TUNN);
655 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
656 p_resp->ipgeneve_mode,
657 p_resp->ipgeneve_clss,
658 QED_MODE_IPGENEVE_TUNN);
659 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
660 p_resp->l2gre_mode, p_resp->l2gre_clss,
661 QED_MODE_L2GRE_TUNN);
662 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
663 p_resp->ipgre_mode, p_resp->ipgre_clss,
664 QED_MODE_IPGRE_TUNN);
665 p_tun->geneve_port.port = p_resp->geneve_udp_port;
666 p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
667
668 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
669 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
670 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
671 p_tun->ip_geneve.b_mode_enabled,
672 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
673 }
674
675 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
676 struct qed_tunnel_info *p_src)
677 {
678 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
679 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
680 struct pfvf_update_tunn_param_tlv *p_resp;
681 struct vfpf_update_tunn_param_tlv *p_req;
682 int rc;
683
684 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
685 sizeof(*p_req));
686
687 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
688 p_req->update_tun_cls = 1;
689
690 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
691 &p_req->vxlan_clss, &p_src->vxlan_port,
692 &p_req->update_vxlan_port,
693 &p_req->vxlan_port);
694 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
695 QED_MODE_L2GENEVE_TUNN,
696 &p_req->l2geneve_clss, &p_src->geneve_port,
697 &p_req->update_geneve_port,
698 &p_req->geneve_port);
699 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
700 QED_MODE_IPGENEVE_TUNN,
701 &p_req->ipgeneve_clss);
702 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
703 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
704 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
705 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
706
707 /* add list termination tlv */
708 qed_add_tlv(p_hwfn, &p_iov->offset,
709 CHANNEL_TLV_LIST_END,
710 sizeof(struct channel_list_end_tlv));
711
712 p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
713 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
714
715 if (rc)
716 goto exit;
717
718 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
719 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
720 "Failed to update tunnel parameters\n");
721 rc = -EINVAL;
722 }
723
724 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
725 exit:
726 qed_vf_pf_req_end(p_hwfn, rc);
727 return rc;
728 }
729
730 int
731 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
732 struct qed_queue_cid *p_cid,
733 u16 bd_max_bytes,
734 dma_addr_t bd_chain_phys_addr,
735 dma_addr_t cqe_pbl_addr,
736 u16 cqe_pbl_size, void __iomem **pp_prod)
737 {
738 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
739 struct pfvf_start_queue_resp_tlv *resp;
740 struct vfpf_start_rxq_tlv *req;
741 u8 rx_qid = p_cid->rel.queue_id;
742 int rc;
743
744 /* clear mailbox and prep first tlv */
745 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
746
747 req->rx_qid = rx_qid;
748 req->cqe_pbl_addr = cqe_pbl_addr;
749 req->cqe_pbl_size = cqe_pbl_size;
750 req->rxq_addr = bd_chain_phys_addr;
751 req->hw_sb = p_cid->sb_igu_id;
752 req->sb_index = p_cid->sb_idx;
753 req->bd_max_bytes = bd_max_bytes;
754 req->stat_id = -1;
755
756 /* If PF is legacy, we'll need to calculate producers ourselves
757 * as well as clean them.
758 */
759 if (p_iov->b_pre_fp_hsi) {
760 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
761 u32 init_prod_val = 0;
762
763 *pp_prod = (u8 __iomem *)
764 p_hwfn->regview +
765 MSTORM_QZONE_START(p_hwfn->cdev) +
766 hw_qid * MSTORM_QZONE_SIZE;
767
768 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
769 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
770 (u32 *)(&init_prod_val));
771 }
772
773 qed_vf_pf_add_qid(p_hwfn, p_cid);
774
775 /* add list termination tlv */
776 qed_add_tlv(p_hwfn, &p_iov->offset,
777 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
778
779 resp = &p_iov->pf2vf_reply->queue_start;
780 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
781 if (rc)
782 goto exit;
783
784 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
785 rc = -EINVAL;
786 goto exit;
787 }
788
789 /* Learn the address of the producer from the response */
790 if (!p_iov->b_pre_fp_hsi) {
791 u32 init_prod_val = 0;
792
793 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
794 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
795 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
796 rx_qid, *pp_prod, resp->offset);
797
798 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
799 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
800 (u32 *)&init_prod_val);
801 }
802 exit:
803 qed_vf_pf_req_end(p_hwfn, rc);
804
805 return rc;
806 }
807
808 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
809 struct qed_queue_cid *p_cid, bool cqe_completion)
810 {
811 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
812 struct vfpf_stop_rxqs_tlv *req;
813 struct pfvf_def_resp_tlv *resp;
814 int rc;
815
816 /* clear mailbox and prep first tlv */
817 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
818
819 req->rx_qid = p_cid->rel.queue_id;
820 req->num_rxqs = 1;
821 req->cqe_completion = cqe_completion;
822
823 qed_vf_pf_add_qid(p_hwfn, p_cid);
824
825 /* add list termination tlv */
826 qed_add_tlv(p_hwfn, &p_iov->offset,
827 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
828
829 resp = &p_iov->pf2vf_reply->default_resp;
830 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
831 if (rc)
832 goto exit;
833
834 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
835 rc = -EINVAL;
836 goto exit;
837 }
838
839 exit:
840 qed_vf_pf_req_end(p_hwfn, rc);
841
842 return rc;
843 }
844
845 int
846 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
847 struct qed_queue_cid *p_cid,
848 dma_addr_t pbl_addr,
849 u16 pbl_size, void __iomem **pp_doorbell)
850 {
851 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
852 struct pfvf_start_queue_resp_tlv *resp;
853 struct vfpf_start_txq_tlv *req;
854 u16 qid = p_cid->rel.queue_id;
855 int rc;
856
857 /* clear mailbox and prep first tlv */
858 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
859
860 req->tx_qid = qid;
861
862 /* Tx */
863 req->pbl_addr = pbl_addr;
864 req->pbl_size = pbl_size;
865 req->hw_sb = p_cid->sb_igu_id;
866 req->sb_index = p_cid->sb_idx;
867
868 qed_vf_pf_add_qid(p_hwfn, p_cid);
869
870 /* add list termination tlv */
871 qed_add_tlv(p_hwfn, &p_iov->offset,
872 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
873
874 resp = &p_iov->pf2vf_reply->queue_start;
875 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
876 if (rc)
877 goto exit;
878
879 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
880 rc = -EINVAL;
881 goto exit;
882 }
883
884 /* Modern PFs provide the actual offsets, while legacy
885 * provided only the queue id.
886 */
887 if (!p_iov->b_pre_fp_hsi) {
888 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
889 } else {
890 u8 cid = p_iov->acquire_resp.resc.cid[qid];
891
892 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
893 qed_db_addr_vf(cid,
894 DQ_DEMS_LEGACY);
895 }
896
897 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
898 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
899 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
900 exit:
901 qed_vf_pf_req_end(p_hwfn, rc);
902
903 return rc;
904 }
905
906 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
907 {
908 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
909 struct vfpf_stop_txqs_tlv *req;
910 struct pfvf_def_resp_tlv *resp;
911 int rc;
912
913 /* clear mailbox and prep first tlv */
914 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
915
916 req->tx_qid = p_cid->rel.queue_id;
917 req->num_txqs = 1;
918
919 qed_vf_pf_add_qid(p_hwfn, p_cid);
920
921 /* add list termination tlv */
922 qed_add_tlv(p_hwfn, &p_iov->offset,
923 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
924
925 resp = &p_iov->pf2vf_reply->default_resp;
926 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
927 if (rc)
928 goto exit;
929
930 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
931 rc = -EINVAL;
932 goto exit;
933 }
934
935 exit:
936 qed_vf_pf_req_end(p_hwfn, rc);
937
938 return rc;
939 }
940
941 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
942 u8 vport_id,
943 u16 mtu,
944 u8 inner_vlan_removal,
945 enum qed_tpa_mode tpa_mode,
946 u8 max_buffers_per_cqe, u8 only_untagged)
947 {
948 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
949 struct vfpf_vport_start_tlv *req;
950 struct pfvf_def_resp_tlv *resp;
951 int rc, i;
952
953 /* clear mailbox and prep first tlv */
954 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
955
956 req->mtu = mtu;
957 req->vport_id = vport_id;
958 req->inner_vlan_removal = inner_vlan_removal;
959 req->tpa_mode = tpa_mode;
960 req->max_buffers_per_cqe = max_buffers_per_cqe;
961 req->only_untagged = only_untagged;
962
963 /* status blocks */
964 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
965 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
966
967 if (p_sb)
968 req->sb_addr[i] = p_sb->sb_phys;
969 }
970
971 /* add list termination tlv */
972 qed_add_tlv(p_hwfn, &p_iov->offset,
973 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
974
975 resp = &p_iov->pf2vf_reply->default_resp;
976 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
977 if (rc)
978 goto exit;
979
980 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
981 rc = -EINVAL;
982 goto exit;
983 }
984
985 exit:
986 qed_vf_pf_req_end(p_hwfn, rc);
987
988 return rc;
989 }
990
991 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
992 {
993 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
994 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
995 int rc;
996
997 /* clear mailbox and prep first tlv */
998 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
999 sizeof(struct vfpf_first_tlv));
1000
1001 /* add list termination tlv */
1002 qed_add_tlv(p_hwfn, &p_iov->offset,
1003 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1004
1005 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1006 if (rc)
1007 goto exit;
1008
1009 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1010 rc = -EINVAL;
1011 goto exit;
1012 }
1013
1014 exit:
1015 qed_vf_pf_req_end(p_hwfn, rc);
1016
1017 return rc;
1018 }
1019
1020 static bool
1021 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1022 struct qed_sp_vport_update_params *p_data,
1023 u16 tlv)
1024 {
1025 switch (tlv) {
1026 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1027 return !!(p_data->update_vport_active_rx_flg ||
1028 p_data->update_vport_active_tx_flg);
1029 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1030 return !!p_data->update_tx_switching_flg;
1031 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1032 return !!p_data->update_inner_vlan_removal_flg;
1033 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1034 return !!p_data->update_accept_any_vlan_flg;
1035 case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1036 return !!p_data->update_approx_mcast_flg;
1037 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1038 return !!(p_data->accept_flags.update_rx_mode_config ||
1039 p_data->accept_flags.update_tx_mode_config);
1040 case CHANNEL_TLV_VPORT_UPDATE_RSS:
1041 return !!p_data->rss_params;
1042 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1043 return !!p_data->sge_tpa_params;
1044 default:
1045 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1046 tlv);
1047 return false;
1048 }
1049 }
1050
1051 static void
1052 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1053 struct qed_sp_vport_update_params *p_data)
1054 {
1055 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1056 struct pfvf_def_resp_tlv *p_resp;
1057 u16 tlv;
1058
1059 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1060 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1061 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1062 continue;
1063
1064 p_resp = (struct pfvf_def_resp_tlv *)
1065 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1066 tlv);
1067 if (p_resp && p_resp->hdr.status)
1068 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1069 "TLV[%d] Configuration %s\n",
1070 tlv,
1071 (p_resp && p_resp->hdr.status) ? "succeeded"
1072 : "failed");
1073 }
1074 }
1075
1076 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1077 struct qed_sp_vport_update_params *p_params)
1078 {
1079 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1080 struct vfpf_vport_update_tlv *req;
1081 struct pfvf_def_resp_tlv *resp;
1082 u8 update_rx, update_tx;
1083 u32 resp_size = 0;
1084 u16 size, tlv;
1085 int rc;
1086
1087 resp = &p_iov->pf2vf_reply->default_resp;
1088 resp_size = sizeof(*resp);
1089
1090 update_rx = p_params->update_vport_active_rx_flg;
1091 update_tx = p_params->update_vport_active_tx_flg;
1092
1093 /* clear mailbox and prep header tlv */
1094 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1095
1096 /* Prepare extended tlvs */
1097 if (update_rx || update_tx) {
1098 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1099
1100 size = sizeof(struct vfpf_vport_update_activate_tlv);
1101 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1102 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1103 size);
1104 resp_size += sizeof(struct pfvf_def_resp_tlv);
1105
1106 if (update_rx) {
1107 p_act_tlv->update_rx = update_rx;
1108 p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1109 }
1110
1111 if (update_tx) {
1112 p_act_tlv->update_tx = update_tx;
1113 p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1114 }
1115 }
1116
1117 if (p_params->update_tx_switching_flg) {
1118 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1119
1120 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1121 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1122 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1123 tlv, size);
1124 resp_size += sizeof(struct pfvf_def_resp_tlv);
1125
1126 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1127 }
1128
1129 if (p_params->update_approx_mcast_flg) {
1130 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1131
1132 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1133 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1134 CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1135 resp_size += sizeof(struct pfvf_def_resp_tlv);
1136
1137 memcpy(p_mcast_tlv->bins, p_params->bins,
1138 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1139 }
1140
1141 update_rx = p_params->accept_flags.update_rx_mode_config;
1142 update_tx = p_params->accept_flags.update_tx_mode_config;
1143
1144 if (update_rx || update_tx) {
1145 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1146
1147 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1148 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1149 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1150 resp_size += sizeof(struct pfvf_def_resp_tlv);
1151
1152 if (update_rx) {
1153 p_accept_tlv->update_rx_mode = update_rx;
1154 p_accept_tlv->rx_accept_filter =
1155 p_params->accept_flags.rx_accept_filter;
1156 }
1157
1158 if (update_tx) {
1159 p_accept_tlv->update_tx_mode = update_tx;
1160 p_accept_tlv->tx_accept_filter =
1161 p_params->accept_flags.tx_accept_filter;
1162 }
1163 }
1164
1165 if (p_params->rss_params) {
1166 struct qed_rss_params *rss_params = p_params->rss_params;
1167 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1168 int i, table_size;
1169
1170 size = sizeof(struct vfpf_vport_update_rss_tlv);
1171 p_rss_tlv = qed_add_tlv(p_hwfn,
1172 &p_iov->offset,
1173 CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1174 resp_size += sizeof(struct pfvf_def_resp_tlv);
1175
1176 if (rss_params->update_rss_config)
1177 p_rss_tlv->update_rss_flags |=
1178 VFPF_UPDATE_RSS_CONFIG_FLAG;
1179 if (rss_params->update_rss_capabilities)
1180 p_rss_tlv->update_rss_flags |=
1181 VFPF_UPDATE_RSS_CAPS_FLAG;
1182 if (rss_params->update_rss_ind_table)
1183 p_rss_tlv->update_rss_flags |=
1184 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1185 if (rss_params->update_rss_key)
1186 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1187
1188 p_rss_tlv->rss_enable = rss_params->rss_enable;
1189 p_rss_tlv->rss_caps = rss_params->rss_caps;
1190 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1191
1192 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1193 1 << p_rss_tlv->rss_table_size_log);
1194 for (i = 0; i < table_size; i++) {
1195 struct qed_queue_cid *p_queue;
1196
1197 p_queue = rss_params->rss_ind_table[i];
1198 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1199 }
1200 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1201 sizeof(rss_params->rss_key));
1202 }
1203
1204 if (p_params->update_accept_any_vlan_flg) {
1205 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1206
1207 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1208 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1209 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1210
1211 resp_size += sizeof(struct pfvf_def_resp_tlv);
1212 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1213 p_any_vlan_tlv->update_accept_any_vlan_flg =
1214 p_params->update_accept_any_vlan_flg;
1215 }
1216
1217 /* add list termination tlv */
1218 qed_add_tlv(p_hwfn, &p_iov->offset,
1219 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1220
1221 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1222 if (rc)
1223 goto exit;
1224
1225 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1226 rc = -EINVAL;
1227 goto exit;
1228 }
1229
1230 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1231
1232 exit:
1233 qed_vf_pf_req_end(p_hwfn, rc);
1234
1235 return rc;
1236 }
1237
1238 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1239 {
1240 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1241 struct pfvf_def_resp_tlv *resp;
1242 struct vfpf_first_tlv *req;
1243 int rc;
1244
1245 /* clear mailbox and prep first tlv */
1246 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1247
1248 /* add list termination tlv */
1249 qed_add_tlv(p_hwfn, &p_iov->offset,
1250 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1251
1252 resp = &p_iov->pf2vf_reply->default_resp;
1253 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1254 if (rc)
1255 goto exit;
1256
1257 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1258 rc = -EAGAIN;
1259 goto exit;
1260 }
1261
1262 p_hwfn->b_int_enabled = 0;
1263
1264 exit:
1265 qed_vf_pf_req_end(p_hwfn, rc);
1266
1267 return rc;
1268 }
1269
1270 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1271 struct qed_filter_mcast *p_filter_cmd)
1272 {
1273 struct qed_sp_vport_update_params sp_params;
1274 int i;
1275
1276 memset(&sp_params, 0, sizeof(sp_params));
1277 sp_params.update_approx_mcast_flg = 1;
1278
1279 if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1280 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1281 u32 bit;
1282
1283 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1284 sp_params.bins[bit / 32] |= 1 << (bit % 32);
1285 }
1286 }
1287
1288 qed_vf_pf_vport_update(p_hwfn, &sp_params);
1289 }
1290
1291 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1292 struct qed_filter_ucast *p_ucast)
1293 {
1294 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1295 struct vfpf_ucast_filter_tlv *req;
1296 struct pfvf_def_resp_tlv *resp;
1297 int rc;
1298
1299 /* clear mailbox and prep first tlv */
1300 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1301 req->opcode = (u8) p_ucast->opcode;
1302 req->type = (u8) p_ucast->type;
1303 memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1304 req->vlan = p_ucast->vlan;
1305
1306 /* add list termination tlv */
1307 qed_add_tlv(p_hwfn, &p_iov->offset,
1308 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1309
1310 resp = &p_iov->pf2vf_reply->default_resp;
1311 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1312 if (rc)
1313 goto exit;
1314
1315 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1316 rc = -EAGAIN;
1317 goto exit;
1318 }
1319
1320 exit:
1321 qed_vf_pf_req_end(p_hwfn, rc);
1322
1323 return rc;
1324 }
1325
1326 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1327 {
1328 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1329 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1330 int rc;
1331
1332 /* clear mailbox and prep first tlv */
1333 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1334 sizeof(struct vfpf_first_tlv));
1335
1336 /* add list termination tlv */
1337 qed_add_tlv(p_hwfn, &p_iov->offset,
1338 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1339
1340 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1341 if (rc)
1342 goto exit;
1343
1344 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1345 rc = -EINVAL;
1346 goto exit;
1347 }
1348
1349 exit:
1350 qed_vf_pf_req_end(p_hwfn, rc);
1351
1352 return rc;
1353 }
1354
1355 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1356 u16 *p_coal, struct qed_queue_cid *p_cid)
1357 {
1358 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1359 struct pfvf_read_coal_resp_tlv *resp;
1360 struct vfpf_read_coal_req_tlv *req;
1361 int rc;
1362
1363 /* clear mailbox and prep header tlv */
1364 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1365 req->qid = p_cid->rel.queue_id;
1366 req->is_rx = p_cid->b_is_rx ? 1 : 0;
1367
1368 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1369 sizeof(struct channel_list_end_tlv));
1370 resp = &p_iov->pf2vf_reply->read_coal_resp;
1371
1372 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1373 if (rc)
1374 goto exit;
1375
1376 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1377 goto exit;
1378
1379 *p_coal = resp->coal;
1380 exit:
1381 qed_vf_pf_req_end(p_hwfn, rc);
1382
1383 return rc;
1384 }
1385
1386 int
1387 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1388 u8 *p_mac)
1389 {
1390 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1391 struct vfpf_bulletin_update_mac_tlv *p_req;
1392 struct pfvf_def_resp_tlv *p_resp;
1393 int rc;
1394
1395 if (!p_mac)
1396 return -EINVAL;
1397
1398 /* clear mailbox and prep header tlv */
1399 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1400 sizeof(*p_req));
1401 ether_addr_copy(p_req->mac, p_mac);
1402 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1403 "Requesting bulletin update for MAC[%pM]\n", p_mac);
1404
1405 /* add list termination tlv */
1406 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1407 sizeof(struct channel_list_end_tlv));
1408
1409 p_resp = &p_iov->pf2vf_reply->default_resp;
1410 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1411 qed_vf_pf_req_end(p_hwfn, rc);
1412 return rc;
1413 }
1414
1415 int
1416 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1417 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1418 {
1419 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1420 struct vfpf_update_coalesce *req;
1421 struct pfvf_def_resp_tlv *resp;
1422 int rc;
1423
1424 /* clear mailbox and prep header tlv */
1425 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1426
1427 req->rx_coal = rx_coal;
1428 req->tx_coal = tx_coal;
1429 req->qid = p_cid->rel.queue_id;
1430
1431 DP_VERBOSE(p_hwfn,
1432 QED_MSG_IOV,
1433 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1434 rx_coal, tx_coal, req->qid);
1435
1436 /* add list termination tlv */
1437 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1438 sizeof(struct channel_list_end_tlv));
1439
1440 resp = &p_iov->pf2vf_reply->default_resp;
1441 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1442 if (rc)
1443 goto exit;
1444
1445 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1446 goto exit;
1447
1448 if (rx_coal)
1449 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1450
1451 if (tx_coal)
1452 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1453
1454 exit:
1455 qed_vf_pf_req_end(p_hwfn, rc);
1456 return rc;
1457 }
1458
1459 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1460 {
1461 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1462
1463 if (!p_iov) {
1464 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1465 return 0;
1466 }
1467
1468 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1469 }
1470
1471 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1472 u16 sb_id, struct qed_sb_info *p_sb)
1473 {
1474 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1475
1476 if (!p_iov) {
1477 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1478 return;
1479 }
1480
1481 if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1482 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1483 return;
1484 }
1485
1486 p_iov->sbs_info[sb_id] = p_sb;
1487 }
1488
1489 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1490 {
1491 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1492 struct qed_bulletin_content shadow;
1493 u32 crc, crc_size;
1494
1495 crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1496 *p_change = 0;
1497
1498 /* Need to guarantee PF is not in the middle of writing it */
1499 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1500
1501 /* If version did not update, no need to do anything */
1502 if (shadow.version == p_iov->bulletin_shadow.version)
1503 return 0;
1504
1505 /* Verify the bulletin we see is valid */
1506 crc = crc32(0, (u8 *)&shadow + crc_size,
1507 p_iov->bulletin.size - crc_size);
1508 if (crc != shadow.crc)
1509 return -EAGAIN;
1510
1511 /* Set the shadow bulletin and process it */
1512 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1513
1514 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1515 "Read a bulletin update %08x\n", shadow.version);
1516
1517 *p_change = 1;
1518
1519 return 0;
1520 }
1521
1522 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1523 struct qed_mcp_link_params *p_params,
1524 struct qed_bulletin_content *p_bulletin)
1525 {
1526 memset(p_params, 0, sizeof(*p_params));
1527
1528 p_params->speed.autoneg = p_bulletin->req_autoneg;
1529 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1530 p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1531 p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1532 p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1533 p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1534 p_params->loopback_mode = p_bulletin->req_loopback;
1535 }
1536
1537 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1538 struct qed_mcp_link_params *params)
1539 {
1540 __qed_vf_get_link_params(p_hwfn, params,
1541 &(p_hwfn->vf_iov_info->bulletin_shadow));
1542 }
1543
1544 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1545 struct qed_mcp_link_state *p_link,
1546 struct qed_bulletin_content *p_bulletin)
1547 {
1548 memset(p_link, 0, sizeof(*p_link));
1549
1550 p_link->link_up = p_bulletin->link_up;
1551 p_link->speed = p_bulletin->speed;
1552 p_link->full_duplex = p_bulletin->full_duplex;
1553 p_link->an = p_bulletin->autoneg;
1554 p_link->an_complete = p_bulletin->autoneg_complete;
1555 p_link->parallel_detection = p_bulletin->parallel_detection;
1556 p_link->pfc_enabled = p_bulletin->pfc_enabled;
1557 p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1558 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1559 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1560 p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1561 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1562 }
1563
1564 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1565 struct qed_mcp_link_state *link)
1566 {
1567 __qed_vf_get_link_state(p_hwfn, link,
1568 &(p_hwfn->vf_iov_info->bulletin_shadow));
1569 }
1570
1571 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1572 struct qed_mcp_link_capabilities *p_link_caps,
1573 struct qed_bulletin_content *p_bulletin)
1574 {
1575 memset(p_link_caps, 0, sizeof(*p_link_caps));
1576 p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1577 }
1578
1579 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1580 struct qed_mcp_link_capabilities *p_link_caps)
1581 {
1582 __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1583 &(p_hwfn->vf_iov_info->bulletin_shadow));
1584 }
1585
1586 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1587 {
1588 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1589 }
1590
1591 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1592 {
1593 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1594 }
1595
1596 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1597 {
1598 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1599 }
1600
1601 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1602 {
1603 memcpy(port_mac,
1604 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1605 }
1606
1607 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1608 {
1609 struct qed_vf_iov *p_vf;
1610
1611 p_vf = p_hwfn->vf_iov_info;
1612 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1613 }
1614
1615 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1616 {
1617 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1618
1619 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1620 }
1621
1622 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1623 {
1624 struct qed_bulletin_content *bulletin;
1625
1626 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1627 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1628 return true;
1629
1630 /* Forbid VF from changing a MAC enforced by PF */
1631 if (ether_addr_equal(bulletin->mac, mac))
1632 return false;
1633
1634 return false;
1635 }
1636
1637 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1638 u8 *dst_mac, u8 *p_is_forced)
1639 {
1640 struct qed_bulletin_content *bulletin;
1641
1642 bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1643
1644 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1645 if (p_is_forced)
1646 *p_is_forced = 1;
1647 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1648 if (p_is_forced)
1649 *p_is_forced = 0;
1650 } else {
1651 return false;
1652 }
1653
1654 ether_addr_copy(dst_mac, bulletin->mac);
1655
1656 return true;
1657 }
1658
1659 static void
1660 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1661 u16 *p_vxlan_port, u16 *p_geneve_port)
1662 {
1663 struct qed_bulletin_content *p_bulletin;
1664
1665 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1666
1667 *p_vxlan_port = p_bulletin->vxlan_udp_port;
1668 *p_geneve_port = p_bulletin->geneve_udp_port;
1669 }
1670
1671 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1672 u16 *fw_major, u16 *fw_minor,
1673 u16 *fw_rev, u16 *fw_eng)
1674 {
1675 struct pf_vf_pfdev_info *info;
1676
1677 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1678
1679 *fw_major = info->fw_major;
1680 *fw_minor = info->fw_minor;
1681 *fw_rev = info->fw_rev;
1682 *fw_eng = info->fw_eng;
1683 }
1684
1685 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1686 {
1687 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1688 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1689 void *cookie = hwfn->cdev->ops_cookie;
1690 u16 vxlan_port, geneve_port;
1691
1692 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1693 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1694 &is_mac_forced);
1695 if (is_mac_exist && cookie)
1696 ops->force_mac(cookie, mac, !!is_mac_forced);
1697
1698 ops->ports_update(cookie, vxlan_port, geneve_port);
1699
1700 /* Always update link configuration according to bulletin */
1701 qed_link_update(hwfn, NULL);
1702 }
1703
1704 void qed_iov_vf_task(struct work_struct *work)
1705 {
1706 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1707 iov_task.work);
1708 u8 change = 0;
1709
1710 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1711 return;
1712
1713 /* Handle bulletin board changes */
1714 qed_vf_read_bulletin(hwfn, &change);
1715 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1716 &hwfn->iov_task_flags))
1717 change = 1;
1718 if (change)
1719 qed_handle_bulletin_change(hwfn);
1720
1721 /* As VF is polling bulletin board, need to constantly re-schedule */
1722 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1723 }
Linux with added FPC-III support