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Linux 4.19.133
[linux/fpc-iii.git] / drivers / net / ethernet / qlogic / qed / qed_vf.c
blob93a0fbf6a132b004950e97c5dfdc5aaef6949cf2
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 #define QED_VF_CHANNEL_USLEEP_ITERATIONS 90
85 #define QED_VF_CHANNEL_USLEEP_DELAY 100
86 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10
87 #define QED_VF_CHANNEL_MSLEEP_DELAY 25
88
89 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
90 {
91 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
92 struct ustorm_trigger_vf_zone trigger;
93 struct ustorm_vf_zone *zone_data;
94 int iter, rc = 0;
95
96 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
97
98 /* output tlvs list */
99 qed_dp_tlv_list(p_hwfn, p_req);
100
101 /* need to add the END TLV to the message size */
102 resp_size += sizeof(struct channel_list_end_tlv);
103
104 /* Send TLVs over HW channel */
105 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
106 trigger.vf_pf_msg_valid = 1;
107
108 DP_VERBOSE(p_hwfn,
109 QED_MSG_IOV,
110 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
111 GET_FIELD(p_hwfn->hw_info.concrete_fid,
112 PXP_CONCRETE_FID_PFID),
113 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
114 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
115 &zone_data->non_trigger.vf_pf_msg_addr,
116 *((u32 *)&trigger), &zone_data->trigger);
117
118 REG_WR(p_hwfn,
119 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
120 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
121
122 REG_WR(p_hwfn,
123 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
124 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
125
126 /* The message data must be written first, to prevent trigger before
127 * data is written.
128 */
129 wmb();
130
131 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
132
133 /* When PF would be done with the response, it would write back to the
134 * `done' address from a coherent DMA zone. Poll until then.
135 */
136
137 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
138 while (!*done && iter--) {
139 udelay(QED_VF_CHANNEL_USLEEP_DELAY);
140 dma_rmb();
141 }
142
143 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
144 while (!*done && iter--) {
145 msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
146 dma_rmb();
147 }
148
149 if (!*done) {
150 DP_NOTICE(p_hwfn,
151 "VF <-- PF Timeout [Type %d]\n",
152 p_req->first_tlv.tl.type);
153 rc = -EBUSY;
154 } else {
155 if ((*done != PFVF_STATUS_SUCCESS) &&
156 (*done != PFVF_STATUS_NO_RESOURCE))
157 DP_NOTICE(p_hwfn,
158 "PF response: %d [Type %d]\n",
159 *done, p_req->first_tlv.tl.type);
160 else
161 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
162 "PF response: %d [Type %d]\n",
163 *done, p_req->first_tlv.tl.type);
164 }
165
166 return rc;
167 }
168
169 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
170 struct qed_queue_cid *p_cid)
171 {
172 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
173 struct vfpf_qid_tlv *p_qid_tlv;
174
175 /* Only add QIDs for the queue if it was negotiated with PF */
176 if (!(p_iov->acquire_resp.pfdev_info.capabilities &
177 PFVF_ACQUIRE_CAP_QUEUE_QIDS))
178 return;
179
180 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
181 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
182 p_qid_tlv->qid = p_cid->qid_usage_idx;
183 }
184
185 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
186 {
187 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
188 struct pfvf_def_resp_tlv *resp;
189 struct vfpf_first_tlv *req;
190 u32 size;
191 int rc;
192
193 /* clear mailbox and prep first tlv */
194 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
195
196 /* add list termination tlv */
197 qed_add_tlv(p_hwfn, &p_iov->offset,
198 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
199
200 resp = &p_iov->pf2vf_reply->default_resp;
201 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
202
203 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
204 rc = -EAGAIN;
205
206 qed_vf_pf_req_end(p_hwfn, rc);
207 if (!b_final)
208 return rc;
209
210 p_hwfn->b_int_enabled = 0;
211
212 if (p_iov->vf2pf_request)
213 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
214 sizeof(union vfpf_tlvs),
215 p_iov->vf2pf_request,
216 p_iov->vf2pf_request_phys);
217 if (p_iov->pf2vf_reply)
218 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
219 sizeof(union pfvf_tlvs),
220 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
221
222 if (p_iov->bulletin.p_virt) {
223 size = sizeof(struct qed_bulletin_content);
224 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
225 size,
226 p_iov->bulletin.p_virt, p_iov->bulletin.phys);
227 }
228
229 kfree(p_hwfn->vf_iov_info);
230 p_hwfn->vf_iov_info = NULL;
231
232 return rc;
233 }
234
235 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
236 {
237 return _qed_vf_pf_release(p_hwfn, true);
238 }
239
240 #define VF_ACQUIRE_THRESH 3
241 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
242 struct vf_pf_resc_request *p_req,
243 struct pf_vf_resc *p_resp)
244 {
245 DP_VERBOSE(p_hwfn,
246 QED_MSG_IOV,
247 "PF unwilling to fullill 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",
248 p_req->num_rxqs,
249 p_resp->num_rxqs,
250 p_req->num_rxqs,
251 p_resp->num_txqs,
252 p_req->num_sbs,
253 p_resp->num_sbs,
254 p_req->num_mac_filters,
255 p_resp->num_mac_filters,
256 p_req->num_vlan_filters,
257 p_resp->num_vlan_filters,
258 p_req->num_mc_filters,
259 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
260
261 /* humble our request */
262 p_req->num_txqs = p_resp->num_txqs;
263 p_req->num_rxqs = p_resp->num_rxqs;
264 p_req->num_sbs = p_resp->num_sbs;
265 p_req->num_mac_filters = p_resp->num_mac_filters;
266 p_req->num_vlan_filters = p_resp->num_vlan_filters;
267 p_req->num_mc_filters = p_resp->num_mc_filters;
268 p_req->num_cids = p_resp->num_cids;
269 }
270
271 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
272 {
273 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
274 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
275 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
276 struct vf_pf_resc_request *p_resc;
277 u8 retry_cnt = VF_ACQUIRE_THRESH;
278 bool resources_acquired = false;
279 struct vfpf_acquire_tlv *req;
280 int rc = 0, attempts = 0;
281
282 /* clear mailbox and prep first tlv */
283 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
284 p_resc = &req->resc_request;
285
286 /* starting filling the request */
287 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
288
289 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
290 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
291 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
292 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
293 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
294 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
295
296 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
297 req->vfdev_info.fw_major = FW_MAJOR_VERSION;
298 req->vfdev_info.fw_minor = FW_MINOR_VERSION;
299 req->vfdev_info.fw_revision = FW_REVISION_VERSION;
300 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
301 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
302 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
303
304 /* Fill capability field with any non-deprecated config we support */
305 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
306
307 /* If we've mapped the doorbell bar, try using queue qids */
308 if (p_iov->b_doorbell_bar) {
309 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
310 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
311 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
312 }
313
314 /* pf 2 vf bulletin board address */
315 req->bulletin_addr = p_iov->bulletin.phys;
316 req->bulletin_size = p_iov->bulletin.size;
317
318 /* add list termination tlv */
319 qed_add_tlv(p_hwfn, &p_iov->offset,
320 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
321
322 while (!resources_acquired) {
323 DP_VERBOSE(p_hwfn,
324 QED_MSG_IOV, "attempting to acquire resources\n");
325
326 /* Clear response buffer, as this might be a re-send */
327 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
328
329 /* send acquire request */
330 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
331
332 /* Re-try acquire in case of vf-pf hw channel timeout */
333 if (retry_cnt && rc == -EBUSY) {
334 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
335 "VF retrying to acquire due to VPC timeout\n");
336 retry_cnt--;
337 continue;
338 }
339
340 if (rc)
341 goto exit;
342
343 /* copy acquire response from buffer to p_hwfn */
344 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
345
346 attempts++;
347
348 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
349 /* PF agrees to allocate our resources */
350 if (!(resp->pfdev_info.capabilities &
351 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
352 /* It's possible legacy PF mistakenly accepted;
353 * but we don't care - simply mark it as
354 * legacy and continue.
355 */
356 req->vfdev_info.capabilities |=
357 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
358 }
359 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
360 resources_acquired = true;
361 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
362 attempts < VF_ACQUIRE_THRESH) {
363 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
364 &resp->resc);
365 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
366 if (pfdev_info->major_fp_hsi &&
367 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
368 DP_NOTICE(p_hwfn,
369 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
370 pfdev_info->major_fp_hsi,
371 pfdev_info->minor_fp_hsi,
372 ETH_HSI_VER_MAJOR,
373 ETH_HSI_VER_MINOR,
374 pfdev_info->major_fp_hsi);
375 rc = -EINVAL;
376 goto exit;
377 }
378
379 if (!pfdev_info->major_fp_hsi) {
380 if (req->vfdev_info.capabilities &
381 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
382 DP_NOTICE(p_hwfn,
383 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
384 rc = -EINVAL;
385 goto exit;
386 } else {
387 DP_INFO(p_hwfn,
388 "PF is old - try re-acquire to see if it supports FW-version override\n");
389 req->vfdev_info.capabilities |=
390 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
391 continue;
392 }
393 }
394
395 /* If PF/VF are using same Major, PF must have had
396 * it's reasons. Simply fail.
397 */
398 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
399 rc = -EINVAL;
400 goto exit;
401 } else {
402 DP_ERR(p_hwfn,
403 "PF returned error %d to VF acquisition request\n",
404 resp->hdr.status);
405 rc = -EAGAIN;
406 goto exit;
407 }
408 }
409
410 /* Mark the PF as legacy, if needed */
411 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
412 p_iov->b_pre_fp_hsi = true;
413
414 /* In case PF doesn't support multi-queue Tx, update the number of
415 * CIDs to reflect the number of queues [older PFs didn't fill that
416 * field].
417 */
418 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
419 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
420
421 /* Update bulletin board size with response from PF */
422 p_iov->bulletin.size = resp->bulletin_size;
423
424 /* get HW info */
425 p_hwfn->cdev->type = resp->pfdev_info.dev_type;
426 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
427
428 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
429
430 /* Learn of the possibility of CMT */
431 if (IS_LEAD_HWFN(p_hwfn)) {
432 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
433 DP_NOTICE(p_hwfn, "100g VF\n");
434 p_hwfn->cdev->num_hwfns = 2;
435 }
436 }
437
438 if (!p_iov->b_pre_fp_hsi &&
439 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
440 DP_INFO(p_hwfn,
441 "PF is using older fastpath HSI; %02x.%02x is configured\n",
442 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
443 }
444
445 exit:
446 qed_vf_pf_req_end(p_hwfn, rc);
447
448 return rc;
449 }
450
451 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
452 {
453 u32 bar_size;
454
455 /* Regview size is fixed */
456 if (bar_id == BAR_ID_0)
457 return 1 << 17;
458
459 /* Doorbell is received from PF */
460 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
461 if (bar_size)
462 return 1 << bar_size;
463 return 0;
464 }
465
466 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
467 {
468 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
469 struct qed_vf_iov *p_iov;
470 u32 reg;
471 int rc;
472
473 /* Set number of hwfns - might be overriden once leading hwfn learns
474 * actual configuration from PF.
475 */
476 if (IS_LEAD_HWFN(p_hwfn))
477 p_hwfn->cdev->num_hwfns = 1;
478
479 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
480 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
481
482 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
483 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
484
485 /* Allocate vf sriov info */
486 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
487 if (!p_iov)
488 return -ENOMEM;
489
490 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
491 * value, but there are several incompatibily scenarios where that
492 * would be incorrect and we'd need to override it.
493 */
494 if (!p_hwfn->doorbells) {
495 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
496 PXP_VF_BAR0_START_DQ;
497 } else if (p_hwfn == p_lead) {
498 /* For leading hw-function, value is always correct, but need
499 * to handle scenario where legacy PF would not support 100g
500 * mapped bars later.
501 */
502 p_iov->b_doorbell_bar = true;
503 } else {
504 /* here, value would be correct ONLY if the leading hwfn
505 * received indication that mapped-bars are supported.
506 */
507 if (p_lead->vf_iov_info->b_doorbell_bar)
508 p_iov->b_doorbell_bar = true;
509 else
510 p_hwfn->doorbells = (u8 __iomem *)
511 p_hwfn->regview + PXP_VF_BAR0_START_DQ;
512 }
513
514 /* Allocate vf2pf msg */
515 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
516 sizeof(union vfpf_tlvs),
517 &p_iov->vf2pf_request_phys,
518 GFP_KERNEL);
519 if (!p_iov->vf2pf_request)
520 goto free_p_iov;
521
522 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
523 sizeof(union pfvf_tlvs),
524 &p_iov->pf2vf_reply_phys,
525 GFP_KERNEL);
526 if (!p_iov->pf2vf_reply)
527 goto free_vf2pf_request;
528
529 DP_VERBOSE(p_hwfn,
530 QED_MSG_IOV,
531 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
532 p_iov->vf2pf_request,
533 (u64) p_iov->vf2pf_request_phys,
534 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
535
536 /* Allocate Bulletin board */
537 p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
538 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
539 p_iov->bulletin.size,
540 &p_iov->bulletin.phys,
541 GFP_KERNEL);
542 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
543 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
544 p_iov->bulletin.p_virt,
545 (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
546
547 mutex_init(&p_iov->mutex);
548
549 p_hwfn->vf_iov_info = p_iov;
550
551 p_hwfn->hw_info.personality = QED_PCI_ETH;
552
553 rc = qed_vf_pf_acquire(p_hwfn);
554
555 /* If VF is 100g using a mapped bar and PF is too old to support that,
556 * acquisition would succeed - but the VF would have no way knowing
557 * the size of the doorbell bar configured in HW and thus will not
558 * know how to split it for 2nd hw-function.
559 * In this case we re-try without the indication of the mapped
560 * doorbell.
561 */
562 if (!rc && p_iov->b_doorbell_bar &&
563 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
564 (p_hwfn->cdev->num_hwfns > 1)) {
565 rc = _qed_vf_pf_release(p_hwfn, false);
566 if (rc)
567 return rc;
568
569 p_iov->b_doorbell_bar = false;
570 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
571 PXP_VF_BAR0_START_DQ;
572 rc = qed_vf_pf_acquire(p_hwfn);
573 }
574
575 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
576 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
577 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
578
579 return rc;
580
581 free_vf2pf_request:
582 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
583 sizeof(union vfpf_tlvs),
584 p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
585 free_p_iov:
586 kfree(p_iov);
587
588 return -ENOMEM;
589 }
590 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
591 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
592 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
593
594 static void
595 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
596 struct qed_tunn_update_type *p_src,
597 enum qed_tunn_mode mask, u8 *p_cls)
598 {
599 if (p_src->b_update_mode) {
600 p_req->tun_mode_update_mask |= BIT(mask);
601
602 if (p_src->b_mode_enabled)
603 p_req->tunn_mode |= BIT(mask);
604 }
605
606 *p_cls = p_src->tun_cls;
607 }
608
609 static void
610 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
611 struct qed_tunn_update_type *p_src,
612 enum qed_tunn_mode mask,
613 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
614 u8 *p_update_port, u16 *p_udp_port)
615 {
616 if (p_port->b_update_port) {
617 *p_update_port = 1;
618 *p_udp_port = p_port->port;
619 }
620
621 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
622 }
623
624 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
625 {
626 if (p_tun->vxlan.b_mode_enabled)
627 p_tun->vxlan.b_update_mode = true;
628 if (p_tun->l2_geneve.b_mode_enabled)
629 p_tun->l2_geneve.b_update_mode = true;
630 if (p_tun->ip_geneve.b_mode_enabled)
631 p_tun->ip_geneve.b_update_mode = true;
632 if (p_tun->l2_gre.b_mode_enabled)
633 p_tun->l2_gre.b_update_mode = true;
634 if (p_tun->ip_gre.b_mode_enabled)
635 p_tun->ip_gre.b_update_mode = true;
636
637 p_tun->b_update_rx_cls = true;
638 p_tun->b_update_tx_cls = true;
639 }
640
641 static void
642 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
643 u16 feature_mask, u8 tunn_mode,
644 u8 tunn_cls, enum qed_tunn_mode val)
645 {
646 if (feature_mask & BIT(val)) {
647 p_tun->b_mode_enabled = tunn_mode;
648 p_tun->tun_cls = tunn_cls;
649 } else {
650 p_tun->b_mode_enabled = false;
651 }
652 }
653
654 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
655 struct qed_tunnel_info *p_tun,
656 struct pfvf_update_tunn_param_tlv *p_resp)
657 {
658 /* Update mode and classes provided by PF */
659 u16 feat_mask = p_resp->tunn_feature_mask;
660
661 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
662 p_resp->vxlan_mode, p_resp->vxlan_clss,
663 QED_MODE_VXLAN_TUNN);
664 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
665 p_resp->l2geneve_mode,
666 p_resp->l2geneve_clss,
667 QED_MODE_L2GENEVE_TUNN);
668 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
669 p_resp->ipgeneve_mode,
670 p_resp->ipgeneve_clss,
671 QED_MODE_IPGENEVE_TUNN);
672 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
673 p_resp->l2gre_mode, p_resp->l2gre_clss,
674 QED_MODE_L2GRE_TUNN);
675 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
676 p_resp->ipgre_mode, p_resp->ipgre_clss,
677 QED_MODE_IPGRE_TUNN);
678 p_tun->geneve_port.port = p_resp->geneve_udp_port;
679 p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
680
681 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
682 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
683 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
684 p_tun->ip_geneve.b_mode_enabled,
685 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
686 }
687
688 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
689 struct qed_tunnel_info *p_src)
690 {
691 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
692 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
693 struct pfvf_update_tunn_param_tlv *p_resp;
694 struct vfpf_update_tunn_param_tlv *p_req;
695 int rc;
696
697 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
698 sizeof(*p_req));
699
700 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
701 p_req->update_tun_cls = 1;
702
703 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
704 &p_req->vxlan_clss, &p_src->vxlan_port,
705 &p_req->update_vxlan_port,
706 &p_req->vxlan_port);
707 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
708 QED_MODE_L2GENEVE_TUNN,
709 &p_req->l2geneve_clss, &p_src->geneve_port,
710 &p_req->update_geneve_port,
711 &p_req->geneve_port);
712 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
713 QED_MODE_IPGENEVE_TUNN,
714 &p_req->ipgeneve_clss);
715 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
716 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
717 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
718 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
719
720 /* add list termination tlv */
721 qed_add_tlv(p_hwfn, &p_iov->offset,
722 CHANNEL_TLV_LIST_END,
723 sizeof(struct channel_list_end_tlv));
724
725 p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
726 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
727
728 if (rc)
729 goto exit;
730
731 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
732 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
733 "Failed to update tunnel parameters\n");
734 rc = -EINVAL;
735 }
736
737 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
738 exit:
739 qed_vf_pf_req_end(p_hwfn, rc);
740 return rc;
741 }
742
743 int
744 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
745 struct qed_queue_cid *p_cid,
746 u16 bd_max_bytes,
747 dma_addr_t bd_chain_phys_addr,
748 dma_addr_t cqe_pbl_addr,
749 u16 cqe_pbl_size, void __iomem **pp_prod)
750 {
751 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
752 struct pfvf_start_queue_resp_tlv *resp;
753 struct vfpf_start_rxq_tlv *req;
754 u8 rx_qid = p_cid->rel.queue_id;
755 int rc;
756
757 /* clear mailbox and prep first tlv */
758 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
759
760 req->rx_qid = rx_qid;
761 req->cqe_pbl_addr = cqe_pbl_addr;
762 req->cqe_pbl_size = cqe_pbl_size;
763 req->rxq_addr = bd_chain_phys_addr;
764 req->hw_sb = p_cid->sb_igu_id;
765 req->sb_index = p_cid->sb_idx;
766 req->bd_max_bytes = bd_max_bytes;
767 req->stat_id = -1;
768
769 /* If PF is legacy, we'll need to calculate producers ourselves
770 * as well as clean them.
771 */
772 if (p_iov->b_pre_fp_hsi) {
773 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
774 u32 init_prod_val = 0;
775
776 *pp_prod = (u8 __iomem *)
777 p_hwfn->regview +
778 MSTORM_QZONE_START(p_hwfn->cdev) +
779 hw_qid * MSTORM_QZONE_SIZE;
780
781 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
782 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
783 (u32 *)(&init_prod_val));
784 }
785
786 qed_vf_pf_add_qid(p_hwfn, p_cid);
787
788 /* add list termination tlv */
789 qed_add_tlv(p_hwfn, &p_iov->offset,
790 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
791
792 resp = &p_iov->pf2vf_reply->queue_start;
793 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
794 if (rc)
795 goto exit;
796
797 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
798 rc = -EINVAL;
799 goto exit;
800 }
801
802 /* Learn the address of the producer from the response */
803 if (!p_iov->b_pre_fp_hsi) {
804 u32 init_prod_val = 0;
805
806 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
807 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
808 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
809 rx_qid, *pp_prod, resp->offset);
810
811 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
812 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
813 (u32 *)&init_prod_val);
814 }
815 exit:
816 qed_vf_pf_req_end(p_hwfn, rc);
817
818 return rc;
819 }
820
821 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
822 struct qed_queue_cid *p_cid, bool cqe_completion)
823 {
824 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
825 struct vfpf_stop_rxqs_tlv *req;
826 struct pfvf_def_resp_tlv *resp;
827 int rc;
828
829 /* clear mailbox and prep first tlv */
830 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
831
832 req->rx_qid = p_cid->rel.queue_id;
833 req->num_rxqs = 1;
834 req->cqe_completion = cqe_completion;
835
836 qed_vf_pf_add_qid(p_hwfn, p_cid);
837
838 /* add list termination tlv */
839 qed_add_tlv(p_hwfn, &p_iov->offset,
840 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
841
842 resp = &p_iov->pf2vf_reply->default_resp;
843 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
844 if (rc)
845 goto exit;
846
847 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
848 rc = -EINVAL;
849 goto exit;
850 }
851
852 exit:
853 qed_vf_pf_req_end(p_hwfn, rc);
854
855 return rc;
856 }
857
858 int
859 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
860 struct qed_queue_cid *p_cid,
861 dma_addr_t pbl_addr,
862 u16 pbl_size, void __iomem **pp_doorbell)
863 {
864 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
865 struct pfvf_start_queue_resp_tlv *resp;
866 struct vfpf_start_txq_tlv *req;
867 u16 qid = p_cid->rel.queue_id;
868 int rc;
869
870 /* clear mailbox and prep first tlv */
871 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
872
873 req->tx_qid = qid;
874
875 /* Tx */
876 req->pbl_addr = pbl_addr;
877 req->pbl_size = pbl_size;
878 req->hw_sb = p_cid->sb_igu_id;
879 req->sb_index = p_cid->sb_idx;
880
881 qed_vf_pf_add_qid(p_hwfn, p_cid);
882
883 /* add list termination tlv */
884 qed_add_tlv(p_hwfn, &p_iov->offset,
885 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
886
887 resp = &p_iov->pf2vf_reply->queue_start;
888 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
889 if (rc)
890 goto exit;
891
892 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
893 rc = -EINVAL;
894 goto exit;
895 }
896
897 /* Modern PFs provide the actual offsets, while legacy
898 * provided only the queue id.
899 */
900 if (!p_iov->b_pre_fp_hsi) {
901 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
902 } else {
903 u8 cid = p_iov->acquire_resp.resc.cid[qid];
904
905 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
906 qed_db_addr_vf(cid,
907 DQ_DEMS_LEGACY);
908 }
909
910 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
911 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
912 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
913 exit:
914 qed_vf_pf_req_end(p_hwfn, rc);
915
916 return rc;
917 }
918
919 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
920 {
921 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
922 struct vfpf_stop_txqs_tlv *req;
923 struct pfvf_def_resp_tlv *resp;
924 int rc;
925
926 /* clear mailbox and prep first tlv */
927 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
928
929 req->tx_qid = p_cid->rel.queue_id;
930 req->num_txqs = 1;
931
932 qed_vf_pf_add_qid(p_hwfn, p_cid);
933
934 /* add list termination tlv */
935 qed_add_tlv(p_hwfn, &p_iov->offset,
936 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
937
938 resp = &p_iov->pf2vf_reply->default_resp;
939 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
940 if (rc)
941 goto exit;
942
943 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
944 rc = -EINVAL;
945 goto exit;
946 }
947
948 exit:
949 qed_vf_pf_req_end(p_hwfn, rc);
950
951 return rc;
952 }
953
954 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
955 u8 vport_id,
956 u16 mtu,
957 u8 inner_vlan_removal,
958 enum qed_tpa_mode tpa_mode,
959 u8 max_buffers_per_cqe, u8 only_untagged)
960 {
961 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
962 struct vfpf_vport_start_tlv *req;
963 struct pfvf_def_resp_tlv *resp;
964 int rc, i;
965
966 /* clear mailbox and prep first tlv */
967 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
968
969 req->mtu = mtu;
970 req->vport_id = vport_id;
971 req->inner_vlan_removal = inner_vlan_removal;
972 req->tpa_mode = tpa_mode;
973 req->max_buffers_per_cqe = max_buffers_per_cqe;
974 req->only_untagged = only_untagged;
975
976 /* status blocks */
977 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
978 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
979
980 if (p_sb)
981 req->sb_addr[i] = p_sb->sb_phys;
982 }
983
984 /* add list termination tlv */
985 qed_add_tlv(p_hwfn, &p_iov->offset,
986 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
987
988 resp = &p_iov->pf2vf_reply->default_resp;
989 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
990 if (rc)
991 goto exit;
992
993 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
994 rc = -EINVAL;
995 goto exit;
996 }
997
998 exit:
999 qed_vf_pf_req_end(p_hwfn, rc);
1000
1001 return rc;
1002 }
1003
1004 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
1005 {
1006 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1007 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1008 int rc;
1009
1010 /* clear mailbox and prep first tlv */
1011 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
1012 sizeof(struct vfpf_first_tlv));
1013
1014 /* add list termination tlv */
1015 qed_add_tlv(p_hwfn, &p_iov->offset,
1016 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1017
1018 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1019 if (rc)
1020 goto exit;
1021
1022 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1023 rc = -EINVAL;
1024 goto exit;
1025 }
1026
1027 exit:
1028 qed_vf_pf_req_end(p_hwfn, rc);
1029
1030 return rc;
1031 }
1032
1033 static bool
1034 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1035 struct qed_sp_vport_update_params *p_data,
1036 u16 tlv)
1037 {
1038 switch (tlv) {
1039 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1040 return !!(p_data->update_vport_active_rx_flg ||
1041 p_data->update_vport_active_tx_flg);
1042 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1043 return !!p_data->update_tx_switching_flg;
1044 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1045 return !!p_data->update_inner_vlan_removal_flg;
1046 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1047 return !!p_data->update_accept_any_vlan_flg;
1048 case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1049 return !!p_data->update_approx_mcast_flg;
1050 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1051 return !!(p_data->accept_flags.update_rx_mode_config ||
1052 p_data->accept_flags.update_tx_mode_config);
1053 case CHANNEL_TLV_VPORT_UPDATE_RSS:
1054 return !!p_data->rss_params;
1055 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1056 return !!p_data->sge_tpa_params;
1057 default:
1058 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1059 tlv);
1060 return false;
1061 }
1062 }
1063
1064 static void
1065 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1066 struct qed_sp_vport_update_params *p_data)
1067 {
1068 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1069 struct pfvf_def_resp_tlv *p_resp;
1070 u16 tlv;
1071
1072 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1073 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1074 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1075 continue;
1076
1077 p_resp = (struct pfvf_def_resp_tlv *)
1078 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1079 tlv);
1080 if (p_resp && p_resp->hdr.status)
1081 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1082 "TLV[%d] Configuration %s\n",
1083 tlv,
1084 (p_resp && p_resp->hdr.status) ? "succeeded"
1085 : "failed");
1086 }
1087 }
1088
1089 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1090 struct qed_sp_vport_update_params *p_params)
1091 {
1092 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1093 struct vfpf_vport_update_tlv *req;
1094 struct pfvf_def_resp_tlv *resp;
1095 u8 update_rx, update_tx;
1096 u32 resp_size = 0;
1097 u16 size, tlv;
1098 int rc;
1099
1100 resp = &p_iov->pf2vf_reply->default_resp;
1101 resp_size = sizeof(*resp);
1102
1103 update_rx = p_params->update_vport_active_rx_flg;
1104 update_tx = p_params->update_vport_active_tx_flg;
1105
1106 /* clear mailbox and prep header tlv */
1107 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1108
1109 /* Prepare extended tlvs */
1110 if (update_rx || update_tx) {
1111 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1112
1113 size = sizeof(struct vfpf_vport_update_activate_tlv);
1114 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1115 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1116 size);
1117 resp_size += sizeof(struct pfvf_def_resp_tlv);
1118
1119 if (update_rx) {
1120 p_act_tlv->update_rx = update_rx;
1121 p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1122 }
1123
1124 if (update_tx) {
1125 p_act_tlv->update_tx = update_tx;
1126 p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1127 }
1128 }
1129
1130 if (p_params->update_tx_switching_flg) {
1131 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1132
1133 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1134 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1135 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1136 tlv, size);
1137 resp_size += sizeof(struct pfvf_def_resp_tlv);
1138
1139 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1140 }
1141
1142 if (p_params->update_approx_mcast_flg) {
1143 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1144
1145 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1146 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1147 CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1148 resp_size += sizeof(struct pfvf_def_resp_tlv);
1149
1150 memcpy(p_mcast_tlv->bins, p_params->bins,
1151 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1152 }
1153
1154 update_rx = p_params->accept_flags.update_rx_mode_config;
1155 update_tx = p_params->accept_flags.update_tx_mode_config;
1156
1157 if (update_rx || update_tx) {
1158 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1159
1160 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1161 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1162 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1163 resp_size += sizeof(struct pfvf_def_resp_tlv);
1164
1165 if (update_rx) {
1166 p_accept_tlv->update_rx_mode = update_rx;
1167 p_accept_tlv->rx_accept_filter =
1168 p_params->accept_flags.rx_accept_filter;
1169 }
1170
1171 if (update_tx) {
1172 p_accept_tlv->update_tx_mode = update_tx;
1173 p_accept_tlv->tx_accept_filter =
1174 p_params->accept_flags.tx_accept_filter;
1175 }
1176 }
1177
1178 if (p_params->rss_params) {
1179 struct qed_rss_params *rss_params = p_params->rss_params;
1180 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1181 int i, table_size;
1182
1183 size = sizeof(struct vfpf_vport_update_rss_tlv);
1184 p_rss_tlv = qed_add_tlv(p_hwfn,
1185 &p_iov->offset,
1186 CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1187 resp_size += sizeof(struct pfvf_def_resp_tlv);
1188
1189 if (rss_params->update_rss_config)
1190 p_rss_tlv->update_rss_flags |=
1191 VFPF_UPDATE_RSS_CONFIG_FLAG;
1192 if (rss_params->update_rss_capabilities)
1193 p_rss_tlv->update_rss_flags |=
1194 VFPF_UPDATE_RSS_CAPS_FLAG;
1195 if (rss_params->update_rss_ind_table)
1196 p_rss_tlv->update_rss_flags |=
1197 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1198 if (rss_params->update_rss_key)
1199 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1200
1201 p_rss_tlv->rss_enable = rss_params->rss_enable;
1202 p_rss_tlv->rss_caps = rss_params->rss_caps;
1203 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1204
1205 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1206 1 << p_rss_tlv->rss_table_size_log);
1207 for (i = 0; i < table_size; i++) {
1208 struct qed_queue_cid *p_queue;
1209
1210 p_queue = rss_params->rss_ind_table[i];
1211 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1212 }
1213 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1214 sizeof(rss_params->rss_key));
1215 }
1216
1217 if (p_params->update_accept_any_vlan_flg) {
1218 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1219
1220 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1221 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1222 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1223
1224 resp_size += sizeof(struct pfvf_def_resp_tlv);
1225 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1226 p_any_vlan_tlv->update_accept_any_vlan_flg =
1227 p_params->update_accept_any_vlan_flg;
1228 }
1229
1230 /* add list termination tlv */
1231 qed_add_tlv(p_hwfn, &p_iov->offset,
1232 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1233
1234 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1235 if (rc)
1236 goto exit;
1237
1238 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1239 rc = -EINVAL;
1240 goto exit;
1241 }
1242
1243 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1244
1245 exit:
1246 qed_vf_pf_req_end(p_hwfn, rc);
1247
1248 return rc;
1249 }
1250
1251 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1252 {
1253 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1254 struct pfvf_def_resp_tlv *resp;
1255 struct vfpf_first_tlv *req;
1256 int rc;
1257
1258 /* clear mailbox and prep first tlv */
1259 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1260
1261 /* add list termination tlv */
1262 qed_add_tlv(p_hwfn, &p_iov->offset,
1263 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1264
1265 resp = &p_iov->pf2vf_reply->default_resp;
1266 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1267 if (rc)
1268 goto exit;
1269
1270 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1271 rc = -EAGAIN;
1272 goto exit;
1273 }
1274
1275 p_hwfn->b_int_enabled = 0;
1276
1277 exit:
1278 qed_vf_pf_req_end(p_hwfn, rc);
1279
1280 return rc;
1281 }
1282
1283 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1284 struct qed_filter_mcast *p_filter_cmd)
1285 {
1286 struct qed_sp_vport_update_params sp_params;
1287 int i;
1288
1289 memset(&sp_params, 0, sizeof(sp_params));
1290 sp_params.update_approx_mcast_flg = 1;
1291
1292 if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1293 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1294 u32 bit;
1295
1296 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1297 sp_params.bins[bit / 32] |= 1 << (bit % 32);
1298 }
1299 }
1300
1301 qed_vf_pf_vport_update(p_hwfn, &sp_params);
1302 }
1303
1304 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1305 struct qed_filter_ucast *p_ucast)
1306 {
1307 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1308 struct vfpf_ucast_filter_tlv *req;
1309 struct pfvf_def_resp_tlv *resp;
1310 int rc;
1311
1312 /* clear mailbox and prep first tlv */
1313 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1314 req->opcode = (u8) p_ucast->opcode;
1315 req->type = (u8) p_ucast->type;
1316 memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1317 req->vlan = p_ucast->vlan;
1318
1319 /* add list termination tlv */
1320 qed_add_tlv(p_hwfn, &p_iov->offset,
1321 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1322
1323 resp = &p_iov->pf2vf_reply->default_resp;
1324 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1325 if (rc)
1326 goto exit;
1327
1328 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1329 rc = -EAGAIN;
1330 goto exit;
1331 }
1332
1333 exit:
1334 qed_vf_pf_req_end(p_hwfn, rc);
1335
1336 return rc;
1337 }
1338
1339 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1340 {
1341 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1342 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1343 int rc;
1344
1345 /* clear mailbox and prep first tlv */
1346 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1347 sizeof(struct vfpf_first_tlv));
1348
1349 /* add list termination tlv */
1350 qed_add_tlv(p_hwfn, &p_iov->offset,
1351 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1352
1353 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1354 if (rc)
1355 goto exit;
1356
1357 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1358 rc = -EINVAL;
1359 goto exit;
1360 }
1361
1362 exit:
1363 qed_vf_pf_req_end(p_hwfn, rc);
1364
1365 return rc;
1366 }
1367
1368 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1369 u16 *p_coal, struct qed_queue_cid *p_cid)
1370 {
1371 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1372 struct pfvf_read_coal_resp_tlv *resp;
1373 struct vfpf_read_coal_req_tlv *req;
1374 int rc;
1375
1376 /* clear mailbox and prep header tlv */
1377 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1378 req->qid = p_cid->rel.queue_id;
1379 req->is_rx = p_cid->b_is_rx ? 1 : 0;
1380
1381 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1382 sizeof(struct channel_list_end_tlv));
1383 resp = &p_iov->pf2vf_reply->read_coal_resp;
1384
1385 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1386 if (rc)
1387 goto exit;
1388
1389 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1390 goto exit;
1391
1392 *p_coal = resp->coal;
1393 exit:
1394 qed_vf_pf_req_end(p_hwfn, rc);
1395
1396 return rc;
1397 }
1398
1399 int
1400 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1401 u8 *p_mac)
1402 {
1403 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1404 struct vfpf_bulletin_update_mac_tlv *p_req;
1405 struct pfvf_def_resp_tlv *p_resp;
1406 int rc;
1407
1408 if (!p_mac)
1409 return -EINVAL;
1410
1411 /* clear mailbox and prep header tlv */
1412 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1413 sizeof(*p_req));
1414 ether_addr_copy(p_req->mac, p_mac);
1415 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1416 "Requesting bulletin update for MAC[%pM]\n", p_mac);
1417
1418 /* add list termination tlv */
1419 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1420 sizeof(struct channel_list_end_tlv));
1421
1422 p_resp = &p_iov->pf2vf_reply->default_resp;
1423 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1424 qed_vf_pf_req_end(p_hwfn, rc);
1425 return rc;
1426 }
1427
1428 int
1429 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1430 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1431 {
1432 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1433 struct vfpf_update_coalesce *req;
1434 struct pfvf_def_resp_tlv *resp;
1435 int rc;
1436
1437 /* clear mailbox and prep header tlv */
1438 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1439
1440 req->rx_coal = rx_coal;
1441 req->tx_coal = tx_coal;
1442 req->qid = p_cid->rel.queue_id;
1443
1444 DP_VERBOSE(p_hwfn,
1445 QED_MSG_IOV,
1446 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1447 rx_coal, tx_coal, req->qid);
1448
1449 /* add list termination tlv */
1450 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1451 sizeof(struct channel_list_end_tlv));
1452
1453 resp = &p_iov->pf2vf_reply->default_resp;
1454 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1455 if (rc)
1456 goto exit;
1457
1458 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1459 goto exit;
1460
1461 if (rx_coal)
1462 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1463
1464 if (tx_coal)
1465 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1466
1467 exit:
1468 qed_vf_pf_req_end(p_hwfn, rc);
1469 return rc;
1470 }
1471
1472 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
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 0;
1479 }
1480
1481 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1482 }
1483
1484 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1485 u16 sb_id, struct qed_sb_info *p_sb)
1486 {
1487 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1488
1489 if (!p_iov) {
1490 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1491 return;
1492 }
1493
1494 if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1495 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1496 return;
1497 }
1498
1499 p_iov->sbs_info[sb_id] = p_sb;
1500 }
1501
1502 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1503 {
1504 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1505 struct qed_bulletin_content shadow;
1506 u32 crc, crc_size;
1507
1508 crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1509 *p_change = 0;
1510
1511 /* Need to guarantee PF is not in the middle of writing it */
1512 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1513
1514 /* If version did not update, no need to do anything */
1515 if (shadow.version == p_iov->bulletin_shadow.version)
1516 return 0;
1517
1518 /* Verify the bulletin we see is valid */
1519 crc = crc32(0, (u8 *)&shadow + crc_size,
1520 p_iov->bulletin.size - crc_size);
1521 if (crc != shadow.crc)
1522 return -EAGAIN;
1523
1524 /* Set the shadow bulletin and process it */
1525 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1526
1527 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1528 "Read a bulletin update %08x\n", shadow.version);
1529
1530 *p_change = 1;
1531
1532 return 0;
1533 }
1534
1535 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1536 struct qed_mcp_link_params *p_params,
1537 struct qed_bulletin_content *p_bulletin)
1538 {
1539 memset(p_params, 0, sizeof(*p_params));
1540
1541 p_params->speed.autoneg = p_bulletin->req_autoneg;
1542 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1543 p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1544 p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1545 p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1546 p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1547 p_params->loopback_mode = p_bulletin->req_loopback;
1548 }
1549
1550 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1551 struct qed_mcp_link_params *params)
1552 {
1553 __qed_vf_get_link_params(p_hwfn, params,
1554 &(p_hwfn->vf_iov_info->bulletin_shadow));
1555 }
1556
1557 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1558 struct qed_mcp_link_state *p_link,
1559 struct qed_bulletin_content *p_bulletin)
1560 {
1561 memset(p_link, 0, sizeof(*p_link));
1562
1563 p_link->link_up = p_bulletin->link_up;
1564 p_link->speed = p_bulletin->speed;
1565 p_link->full_duplex = p_bulletin->full_duplex;
1566 p_link->an = p_bulletin->autoneg;
1567 p_link->an_complete = p_bulletin->autoneg_complete;
1568 p_link->parallel_detection = p_bulletin->parallel_detection;
1569 p_link->pfc_enabled = p_bulletin->pfc_enabled;
1570 p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1571 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1572 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1573 p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1574 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1575 }
1576
1577 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1578 struct qed_mcp_link_state *link)
1579 {
1580 __qed_vf_get_link_state(p_hwfn, link,
1581 &(p_hwfn->vf_iov_info->bulletin_shadow));
1582 }
1583
1584 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1585 struct qed_mcp_link_capabilities *p_link_caps,
1586 struct qed_bulletin_content *p_bulletin)
1587 {
1588 memset(p_link_caps, 0, sizeof(*p_link_caps));
1589 p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1590 }
1591
1592 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1593 struct qed_mcp_link_capabilities *p_link_caps)
1594 {
1595 __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1596 &(p_hwfn->vf_iov_info->bulletin_shadow));
1597 }
1598
1599 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1600 {
1601 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1602 }
1603
1604 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1605 {
1606 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1607 }
1608
1609 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1610 {
1611 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1612 }
1613
1614 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1615 {
1616 memcpy(port_mac,
1617 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1618 }
1619
1620 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1621 {
1622 struct qed_vf_iov *p_vf;
1623
1624 p_vf = p_hwfn->vf_iov_info;
1625 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1626 }
1627
1628 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1629 {
1630 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1631
1632 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1633 }
1634
1635 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1636 {
1637 struct qed_bulletin_content *bulletin;
1638
1639 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1640 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1641 return true;
1642
1643 /* Forbid VF from changing a MAC enforced by PF */
1644 if (ether_addr_equal(bulletin->mac, mac))
1645 return false;
1646
1647 return false;
1648 }
1649
1650 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1651 u8 *dst_mac, u8 *p_is_forced)
1652 {
1653 struct qed_bulletin_content *bulletin;
1654
1655 bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1656
1657 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1658 if (p_is_forced)
1659 *p_is_forced = 1;
1660 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1661 if (p_is_forced)
1662 *p_is_forced = 0;
1663 } else {
1664 return false;
1665 }
1666
1667 ether_addr_copy(dst_mac, bulletin->mac);
1668
1669 return true;
1670 }
1671
1672 static void
1673 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1674 u16 *p_vxlan_port, u16 *p_geneve_port)
1675 {
1676 struct qed_bulletin_content *p_bulletin;
1677
1678 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1679
1680 *p_vxlan_port = p_bulletin->vxlan_udp_port;
1681 *p_geneve_port = p_bulletin->geneve_udp_port;
1682 }
1683
1684 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1685 u16 *fw_major, u16 *fw_minor,
1686 u16 *fw_rev, u16 *fw_eng)
1687 {
1688 struct pf_vf_pfdev_info *info;
1689
1690 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1691
1692 *fw_major = info->fw_major;
1693 *fw_minor = info->fw_minor;
1694 *fw_rev = info->fw_rev;
1695 *fw_eng = info->fw_eng;
1696 }
1697
1698 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1699 {
1700 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1701 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1702 void *cookie = hwfn->cdev->ops_cookie;
1703 u16 vxlan_port, geneve_port;
1704
1705 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1706 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1707 &is_mac_forced);
1708 if (is_mac_exist && cookie)
1709 ops->force_mac(cookie, mac, !!is_mac_forced);
1710
1711 ops->ports_update(cookie, vxlan_port, geneve_port);
1712
1713 /* Always update link configuration according to bulletin */
1714 qed_link_update(hwfn, NULL);
1715 }
1716
1717 void qed_iov_vf_task(struct work_struct *work)
1718 {
1719 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1720 iov_task.work);
1721 u8 change = 0;
1722
1723 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1724 return;
1725
1726 /* Handle bulletin board changes */
1727 qed_vf_read_bulletin(hwfn, &change);
1728 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1729 &hwfn->iov_task_flags))
1730 change = 1;
1731 if (change)
1732 qed_handle_bulletin_change(hwfn);
1733
1734 /* As VF is polling bulletin board, need to constantly re-schedule */
1735 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1736 }
Linux with added FPC-III support