qed: add support for multi-rate transceivers
[linux-2.6-microblaze.git] / drivers / net / ethernet / qlogic / qed / qed_vf.c
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6
7 #include <linux/crc32.h>
8 #include <linux/etherdevice.h>
9 #include "qed.h"
10 #include "qed_sriov.h"
11 #include "qed_vf.h"
12
13 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
14 {
15         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
16         void *p_tlv;
17
18         /* This lock is released when we receive PF's response
19          * in qed_send_msg2pf().
20          * So, qed_vf_pf_prep() and qed_send_msg2pf()
21          * must come in sequence.
22          */
23         mutex_lock(&(p_iov->mutex));
24
25         DP_VERBOSE(p_hwfn,
26                    QED_MSG_IOV,
27                    "preparing to send 0x%04x tlv over vf pf channel\n",
28                    type);
29
30         /* Reset Requst offset */
31         p_iov->offset = (u8 *)p_iov->vf2pf_request;
32
33         /* Clear mailbox - both request and reply */
34         memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
35         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
36
37         /* Init type and length */
38         p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
39
40         /* Init first tlv header */
41         ((struct vfpf_first_tlv *)p_tlv)->reply_address =
42             (u64)p_iov->pf2vf_reply_phys;
43
44         return p_tlv;
45 }
46
47 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
48 {
49         union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
50
51         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
52                    "VF request status = 0x%x, PF reply status = 0x%x\n",
53                    req_status, resp->default_resp.hdr.status);
54
55         mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
56 }
57
58 #define QED_VF_CHANNEL_USLEEP_ITERATIONS        90
59 #define QED_VF_CHANNEL_USLEEP_DELAY             100
60 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS        10
61 #define QED_VF_CHANNEL_MSLEEP_DELAY             25
62
63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
64 {
65         union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
66         struct ustorm_trigger_vf_zone trigger;
67         struct ustorm_vf_zone *zone_data;
68         int iter, rc = 0;
69
70         zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
71
72         /* output tlvs list */
73         qed_dp_tlv_list(p_hwfn, p_req);
74
75         /* need to add the END TLV to the message size */
76         resp_size += sizeof(struct channel_list_end_tlv);
77
78         /* Send TLVs over HW channel */
79         memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
80         trigger.vf_pf_msg_valid = 1;
81
82         DP_VERBOSE(p_hwfn,
83                    QED_MSG_IOV,
84                    "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
85                    GET_FIELD(p_hwfn->hw_info.concrete_fid,
86                              PXP_CONCRETE_FID_PFID),
87                    upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
88                    lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
89                    &zone_data->non_trigger.vf_pf_msg_addr,
90                    *((u32 *)&trigger), &zone_data->trigger);
91
92         REG_WR(p_hwfn,
93                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
94                lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
95
96         REG_WR(p_hwfn,
97                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
98                upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
99
100         /* The message data must be written first, to prevent trigger before
101          * data is written.
102          */
103         wmb();
104
105         REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
106
107         /* When PF would be done with the response, it would write back to the
108          * `done' address from a coherent DMA zone. Poll until then.
109          */
110
111         iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
112         while (!*done && iter--) {
113                 udelay(QED_VF_CHANNEL_USLEEP_DELAY);
114                 dma_rmb();
115         }
116
117         iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
118         while (!*done && iter--) {
119                 msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
120                 dma_rmb();
121         }
122
123         if (!*done) {
124                 DP_NOTICE(p_hwfn,
125                           "VF <-- PF Timeout [Type %d]\n",
126                           p_req->first_tlv.tl.type);
127                 rc = -EBUSY;
128         } else {
129                 if ((*done != PFVF_STATUS_SUCCESS) &&
130                     (*done != PFVF_STATUS_NO_RESOURCE))
131                         DP_NOTICE(p_hwfn,
132                                   "PF response: %d [Type %d]\n",
133                                   *done, p_req->first_tlv.tl.type);
134                 else
135                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
136                                    "PF response: %d [Type %d]\n",
137                                    *done, p_req->first_tlv.tl.type);
138         }
139
140         return rc;
141 }
142
143 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
144                               struct qed_queue_cid *p_cid)
145 {
146         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
147         struct vfpf_qid_tlv *p_qid_tlv;
148
149         /* Only add QIDs for the queue if it was negotiated with PF */
150         if (!(p_iov->acquire_resp.pfdev_info.capabilities &
151               PFVF_ACQUIRE_CAP_QUEUE_QIDS))
152                 return;
153
154         p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
155                                 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
156         p_qid_tlv->qid = p_cid->qid_usage_idx;
157 }
158
159 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
160 {
161         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
162         struct pfvf_def_resp_tlv *resp;
163         struct vfpf_first_tlv *req;
164         u32 size;
165         int rc;
166
167         /* clear mailbox and prep first tlv */
168         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
169
170         /* add list termination tlv */
171         qed_add_tlv(p_hwfn, &p_iov->offset,
172                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
173
174         resp = &p_iov->pf2vf_reply->default_resp;
175         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
176
177         if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
178                 rc = -EAGAIN;
179
180         qed_vf_pf_req_end(p_hwfn, rc);
181         if (!b_final)
182                 return rc;
183
184         p_hwfn->b_int_enabled = 0;
185
186         if (p_iov->vf2pf_request)
187                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
188                                   sizeof(union vfpf_tlvs),
189                                   p_iov->vf2pf_request,
190                                   p_iov->vf2pf_request_phys);
191         if (p_iov->pf2vf_reply)
192                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
193                                   sizeof(union pfvf_tlvs),
194                                   p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
195
196         if (p_iov->bulletin.p_virt) {
197                 size = sizeof(struct qed_bulletin_content);
198                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
199                                   size,
200                                   p_iov->bulletin.p_virt, p_iov->bulletin.phys);
201         }
202
203         kfree(p_hwfn->vf_iov_info);
204         p_hwfn->vf_iov_info = NULL;
205
206         return rc;
207 }
208
209 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
210 {
211         return _qed_vf_pf_release(p_hwfn, true);
212 }
213
214 #define VF_ACQUIRE_THRESH 3
215 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
216                                           struct vf_pf_resc_request *p_req,
217                                           struct pf_vf_resc *p_resp)
218 {
219         DP_VERBOSE(p_hwfn,
220                    QED_MSG_IOV,
221                    "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",
222                    p_req->num_rxqs,
223                    p_resp->num_rxqs,
224                    p_req->num_rxqs,
225                    p_resp->num_txqs,
226                    p_req->num_sbs,
227                    p_resp->num_sbs,
228                    p_req->num_mac_filters,
229                    p_resp->num_mac_filters,
230                    p_req->num_vlan_filters,
231                    p_resp->num_vlan_filters,
232                    p_req->num_mc_filters,
233                    p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
234
235         /* humble our request */
236         p_req->num_txqs = p_resp->num_txqs;
237         p_req->num_rxqs = p_resp->num_rxqs;
238         p_req->num_sbs = p_resp->num_sbs;
239         p_req->num_mac_filters = p_resp->num_mac_filters;
240         p_req->num_vlan_filters = p_resp->num_vlan_filters;
241         p_req->num_mc_filters = p_resp->num_mc_filters;
242         p_req->num_cids = p_resp->num_cids;
243 }
244
245 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
246 {
247         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
248         struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
249         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
250         struct vf_pf_resc_request *p_resc;
251         u8 retry_cnt = VF_ACQUIRE_THRESH;
252         bool resources_acquired = false;
253         struct vfpf_acquire_tlv *req;
254         int rc = 0, attempts = 0;
255
256         /* clear mailbox and prep first tlv */
257         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
258         p_resc = &req->resc_request;
259
260         /* starting filling the request */
261         req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
262
263         p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
264         p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
265         p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
266         p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
267         p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
268         p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
269
270         req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
271         req->vfdev_info.fw_major = FW_MAJOR_VERSION;
272         req->vfdev_info.fw_minor = FW_MINOR_VERSION;
273         req->vfdev_info.fw_revision = FW_REVISION_VERSION;
274         req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
275         req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
276         req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
277
278         /* Fill capability field with any non-deprecated config we support */
279         req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
280
281         /* If we've mapped the doorbell bar, try using queue qids */
282         if (p_iov->b_doorbell_bar) {
283                 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
284                                                 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
285                 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
286         }
287
288         /* pf 2 vf bulletin board address */
289         req->bulletin_addr = p_iov->bulletin.phys;
290         req->bulletin_size = p_iov->bulletin.size;
291
292         /* add list termination tlv */
293         qed_add_tlv(p_hwfn, &p_iov->offset,
294                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
295
296         while (!resources_acquired) {
297                 DP_VERBOSE(p_hwfn,
298                            QED_MSG_IOV, "attempting to acquire resources\n");
299
300                 /* Clear response buffer, as this might be a re-send */
301                 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
302
303                 /* send acquire request */
304                 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
305
306                 /* Re-try acquire in case of vf-pf hw channel timeout */
307                 if (retry_cnt && rc == -EBUSY) {
308                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
309                                    "VF retrying to acquire due to VPC timeout\n");
310                         retry_cnt--;
311                         continue;
312                 }
313
314                 if (rc)
315                         goto exit;
316
317                 /* copy acquire response from buffer to p_hwfn */
318                 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
319
320                 attempts++;
321
322                 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
323                         /* PF agrees to allocate our resources */
324                         if (!(resp->pfdev_info.capabilities &
325                               PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
326                                 /* It's possible legacy PF mistakenly accepted;
327                                  * but we don't care - simply mark it as
328                                  * legacy and continue.
329                                  */
330                                 req->vfdev_info.capabilities |=
331                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI;
332                         }
333                         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
334                         resources_acquired = true;
335                 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
336                            attempts < VF_ACQUIRE_THRESH) {
337                         qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
338                                                       &resp->resc);
339                 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
340                         if (pfdev_info->major_fp_hsi &&
341                             (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
342                                 DP_NOTICE(p_hwfn,
343                                           "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
344                                           pfdev_info->major_fp_hsi,
345                                           pfdev_info->minor_fp_hsi,
346                                           ETH_HSI_VER_MAJOR,
347                                           ETH_HSI_VER_MINOR,
348                                           pfdev_info->major_fp_hsi);
349                                 rc = -EINVAL;
350                                 goto exit;
351                         }
352
353                         if (!pfdev_info->major_fp_hsi) {
354                                 if (req->vfdev_info.capabilities &
355                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
356                                         DP_NOTICE(p_hwfn,
357                                                   "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
358                                         rc = -EINVAL;
359                                         goto exit;
360                                 } else {
361                                         DP_INFO(p_hwfn,
362                                                 "PF is old - try re-acquire to see if it supports FW-version override\n");
363                                         req->vfdev_info.capabilities |=
364                                             VFPF_ACQUIRE_CAP_PRE_FP_HSI;
365                                         continue;
366                                 }
367                         }
368
369                         /* If PF/VF are using same Major, PF must have had
370                          * it's reasons. Simply fail.
371                          */
372                         DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
373                         rc = -EINVAL;
374                         goto exit;
375                 } else {
376                         DP_ERR(p_hwfn,
377                                "PF returned error %d to VF acquisition request\n",
378                                resp->hdr.status);
379                         rc = -EAGAIN;
380                         goto exit;
381                 }
382         }
383
384         /* Mark the PF as legacy, if needed */
385         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
386                 p_iov->b_pre_fp_hsi = true;
387
388         /* In case PF doesn't support multi-queue Tx, update the number of
389          * CIDs to reflect the number of queues [older PFs didn't fill that
390          * field].
391          */
392         if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
393                 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
394
395         /* Update bulletin board size with response from PF */
396         p_iov->bulletin.size = resp->bulletin_size;
397
398         /* get HW info */
399         p_hwfn->cdev->type = resp->pfdev_info.dev_type;
400         p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
401
402         p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
403
404         /* Learn of the possibility of CMT */
405         if (IS_LEAD_HWFN(p_hwfn)) {
406                 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
407                         DP_NOTICE(p_hwfn, "100g VF\n");
408                         p_hwfn->cdev->num_hwfns = 2;
409                 }
410         }
411
412         if (!p_iov->b_pre_fp_hsi &&
413             (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
414                 DP_INFO(p_hwfn,
415                         "PF is using older fastpath HSI; %02x.%02x is configured\n",
416                         ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
417         }
418
419 exit:
420         qed_vf_pf_req_end(p_hwfn, rc);
421
422         return rc;
423 }
424
425 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
426 {
427         u32 bar_size;
428
429         /* Regview size is fixed */
430         if (bar_id == BAR_ID_0)
431                 return 1 << 17;
432
433         /* Doorbell is received from PF */
434         bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
435         if (bar_size)
436                 return 1 << bar_size;
437         return 0;
438 }
439
440 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
441 {
442         struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
443         struct qed_vf_iov *p_iov;
444         u32 reg;
445         int rc;
446
447         /* Set number of hwfns - might be overriden once leading hwfn learns
448          * actual configuration from PF.
449          */
450         if (IS_LEAD_HWFN(p_hwfn))
451                 p_hwfn->cdev->num_hwfns = 1;
452
453         reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
454         p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
455
456         reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
457         p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
458
459         /* Allocate vf sriov info */
460         p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
461         if (!p_iov)
462                 return -ENOMEM;
463
464         /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
465          * value, but there are several incompatibily scenarios where that
466          * would be incorrect and we'd need to override it.
467          */
468         if (!p_hwfn->doorbells) {
469                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
470                                                   PXP_VF_BAR0_START_DQ;
471         } else if (p_hwfn == p_lead) {
472                 /* For leading hw-function, value is always correct, but need
473                  * to handle scenario where legacy PF would not support 100g
474                  * mapped bars later.
475                  */
476                 p_iov->b_doorbell_bar = true;
477         } else {
478                 /* here, value would be correct ONLY if the leading hwfn
479                  * received indication that mapped-bars are supported.
480                  */
481                 if (p_lead->vf_iov_info->b_doorbell_bar)
482                         p_iov->b_doorbell_bar = true;
483                 else
484                         p_hwfn->doorbells = (u8 __iomem *)
485                             p_hwfn->regview + PXP_VF_BAR0_START_DQ;
486         }
487
488         /* Allocate vf2pf msg */
489         p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
490                                                   sizeof(union vfpf_tlvs),
491                                                   &p_iov->vf2pf_request_phys,
492                                                   GFP_KERNEL);
493         if (!p_iov->vf2pf_request)
494                 goto free_p_iov;
495
496         p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
497                                                 sizeof(union pfvf_tlvs),
498                                                 &p_iov->pf2vf_reply_phys,
499                                                 GFP_KERNEL);
500         if (!p_iov->pf2vf_reply)
501                 goto free_vf2pf_request;
502
503         DP_VERBOSE(p_hwfn,
504                    QED_MSG_IOV,
505                    "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
506                    p_iov->vf2pf_request,
507                    (u64) p_iov->vf2pf_request_phys,
508                    p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
509
510         /* Allocate Bulletin board */
511         p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
512         p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
513                                                     p_iov->bulletin.size,
514                                                     &p_iov->bulletin.phys,
515                                                     GFP_KERNEL);
516         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
517                    "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
518                    p_iov->bulletin.p_virt,
519                    (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
520
521         mutex_init(&p_iov->mutex);
522
523         p_hwfn->vf_iov_info = p_iov;
524
525         p_hwfn->hw_info.personality = QED_PCI_ETH;
526
527         rc = qed_vf_pf_acquire(p_hwfn);
528
529         /* If VF is 100g using a mapped bar and PF is too old to support that,
530          * acquisition would succeed - but the VF would have no way knowing
531          * the size of the doorbell bar configured in HW and thus will not
532          * know how to split it for 2nd hw-function.
533          * In this case we re-try without the indication of the mapped
534          * doorbell.
535          */
536         if (!rc && p_iov->b_doorbell_bar &&
537             !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
538             (p_hwfn->cdev->num_hwfns > 1)) {
539                 rc = _qed_vf_pf_release(p_hwfn, false);
540                 if (rc)
541                         return rc;
542
543                 p_iov->b_doorbell_bar = false;
544                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
545                                                   PXP_VF_BAR0_START_DQ;
546                 rc = qed_vf_pf_acquire(p_hwfn);
547         }
548
549         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
550                    "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
551                    p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
552
553         return rc;
554
555 free_vf2pf_request:
556         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
557                           sizeof(union vfpf_tlvs),
558                           p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
559 free_p_iov:
560         kfree(p_iov);
561
562         return -ENOMEM;
563 }
564 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
565 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
566                                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
567
568 static void
569 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
570                            struct qed_tunn_update_type *p_src,
571                            enum qed_tunn_mode mask, u8 *p_cls)
572 {
573         if (p_src->b_update_mode) {
574                 p_req->tun_mode_update_mask |= BIT(mask);
575
576                 if (p_src->b_mode_enabled)
577                         p_req->tunn_mode |= BIT(mask);
578         }
579
580         *p_cls = p_src->tun_cls;
581 }
582
583 static void
584 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
585                          struct qed_tunn_update_type *p_src,
586                          enum qed_tunn_mode mask,
587                          u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
588                          u8 *p_update_port, u16 *p_udp_port)
589 {
590         if (p_port->b_update_port) {
591                 *p_update_port = 1;
592                 *p_udp_port = p_port->port;
593         }
594
595         __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
596 }
597
598 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
599 {
600         if (p_tun->vxlan.b_mode_enabled)
601                 p_tun->vxlan.b_update_mode = true;
602         if (p_tun->l2_geneve.b_mode_enabled)
603                 p_tun->l2_geneve.b_update_mode = true;
604         if (p_tun->ip_geneve.b_mode_enabled)
605                 p_tun->ip_geneve.b_update_mode = true;
606         if (p_tun->l2_gre.b_mode_enabled)
607                 p_tun->l2_gre.b_update_mode = true;
608         if (p_tun->ip_gre.b_mode_enabled)
609                 p_tun->ip_gre.b_update_mode = true;
610
611         p_tun->b_update_rx_cls = true;
612         p_tun->b_update_tx_cls = true;
613 }
614
615 static void
616 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
617                            u16 feature_mask, u8 tunn_mode,
618                            u8 tunn_cls, enum qed_tunn_mode val)
619 {
620         if (feature_mask & BIT(val)) {
621                 p_tun->b_mode_enabled = tunn_mode;
622                 p_tun->tun_cls = tunn_cls;
623         } else {
624                 p_tun->b_mode_enabled = false;
625         }
626 }
627
628 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
629                                      struct qed_tunnel_info *p_tun,
630                                      struct pfvf_update_tunn_param_tlv *p_resp)
631 {
632         /* Update mode and classes provided by PF */
633         u16 feat_mask = p_resp->tunn_feature_mask;
634
635         __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
636                                    p_resp->vxlan_mode, p_resp->vxlan_clss,
637                                    QED_MODE_VXLAN_TUNN);
638         __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
639                                    p_resp->l2geneve_mode,
640                                    p_resp->l2geneve_clss,
641                                    QED_MODE_L2GENEVE_TUNN);
642         __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
643                                    p_resp->ipgeneve_mode,
644                                    p_resp->ipgeneve_clss,
645                                    QED_MODE_IPGENEVE_TUNN);
646         __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
647                                    p_resp->l2gre_mode, p_resp->l2gre_clss,
648                                    QED_MODE_L2GRE_TUNN);
649         __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
650                                    p_resp->ipgre_mode, p_resp->ipgre_clss,
651                                    QED_MODE_IPGRE_TUNN);
652         p_tun->geneve_port.port = p_resp->geneve_udp_port;
653         p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
654
655         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
656                    "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
657                    p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
658                    p_tun->ip_geneve.b_mode_enabled,
659                    p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
660 }
661
662 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
663                                   struct qed_tunnel_info *p_src)
664 {
665         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
666         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
667         struct pfvf_update_tunn_param_tlv *p_resp;
668         struct vfpf_update_tunn_param_tlv *p_req;
669         int rc;
670
671         p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
672                                sizeof(*p_req));
673
674         if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
675                 p_req->update_tun_cls = 1;
676
677         qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
678                                  &p_req->vxlan_clss, &p_src->vxlan_port,
679                                  &p_req->update_vxlan_port,
680                                  &p_req->vxlan_port);
681         qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
682                                  QED_MODE_L2GENEVE_TUNN,
683                                  &p_req->l2geneve_clss, &p_src->geneve_port,
684                                  &p_req->update_geneve_port,
685                                  &p_req->geneve_port);
686         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
687                                    QED_MODE_IPGENEVE_TUNN,
688                                    &p_req->ipgeneve_clss);
689         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
690                                    QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
691         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
692                                    QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
693
694         /* add list termination tlv */
695         qed_add_tlv(p_hwfn, &p_iov->offset,
696                     CHANNEL_TLV_LIST_END,
697                     sizeof(struct channel_list_end_tlv));
698
699         p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
700         rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
701
702         if (rc)
703                 goto exit;
704
705         if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
706                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
707                            "Failed to update tunnel parameters\n");
708                 rc = -EINVAL;
709         }
710
711         qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
712 exit:
713         qed_vf_pf_req_end(p_hwfn, rc);
714         return rc;
715 }
716
717 int
718 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
719                     struct qed_queue_cid *p_cid,
720                     u16 bd_max_bytes,
721                     dma_addr_t bd_chain_phys_addr,
722                     dma_addr_t cqe_pbl_addr,
723                     u16 cqe_pbl_size, void __iomem **pp_prod)
724 {
725         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
726         struct pfvf_start_queue_resp_tlv *resp;
727         struct vfpf_start_rxq_tlv *req;
728         u8 rx_qid = p_cid->rel.queue_id;
729         int rc;
730
731         /* clear mailbox and prep first tlv */
732         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
733
734         req->rx_qid = rx_qid;
735         req->cqe_pbl_addr = cqe_pbl_addr;
736         req->cqe_pbl_size = cqe_pbl_size;
737         req->rxq_addr = bd_chain_phys_addr;
738         req->hw_sb = p_cid->sb_igu_id;
739         req->sb_index = p_cid->sb_idx;
740         req->bd_max_bytes = bd_max_bytes;
741         req->stat_id = -1;
742
743         /* If PF is legacy, we'll need to calculate producers ourselves
744          * as well as clean them.
745          */
746         if (p_iov->b_pre_fp_hsi) {
747                 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
748                 u32 init_prod_val = 0;
749
750                 *pp_prod = (u8 __iomem *)
751                     p_hwfn->regview +
752                     MSTORM_QZONE_START(p_hwfn->cdev) +
753                     hw_qid * MSTORM_QZONE_SIZE;
754
755                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
756                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
757                                   (u32 *)(&init_prod_val));
758         }
759
760         qed_vf_pf_add_qid(p_hwfn, p_cid);
761
762         /* add list termination tlv */
763         qed_add_tlv(p_hwfn, &p_iov->offset,
764                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
765
766         resp = &p_iov->pf2vf_reply->queue_start;
767         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
768         if (rc)
769                 goto exit;
770
771         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
772                 rc = -EINVAL;
773                 goto exit;
774         }
775
776         /* Learn the address of the producer from the response */
777         if (!p_iov->b_pre_fp_hsi) {
778                 u32 init_prod_val = 0;
779
780                 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
781                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
782                            "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
783                            rx_qid, *pp_prod, resp->offset);
784
785                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
786                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
787                                   (u32 *)&init_prod_val);
788         }
789 exit:
790         qed_vf_pf_req_end(p_hwfn, rc);
791
792         return rc;
793 }
794
795 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
796                        struct qed_queue_cid *p_cid, bool cqe_completion)
797 {
798         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
799         struct vfpf_stop_rxqs_tlv *req;
800         struct pfvf_def_resp_tlv *resp;
801         int rc;
802
803         /* clear mailbox and prep first tlv */
804         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
805
806         req->rx_qid = p_cid->rel.queue_id;
807         req->num_rxqs = 1;
808         req->cqe_completion = cqe_completion;
809
810         qed_vf_pf_add_qid(p_hwfn, p_cid);
811
812         /* add list termination tlv */
813         qed_add_tlv(p_hwfn, &p_iov->offset,
814                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
815
816         resp = &p_iov->pf2vf_reply->default_resp;
817         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
818         if (rc)
819                 goto exit;
820
821         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
822                 rc = -EINVAL;
823                 goto exit;
824         }
825
826 exit:
827         qed_vf_pf_req_end(p_hwfn, rc);
828
829         return rc;
830 }
831
832 int
833 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
834                     struct qed_queue_cid *p_cid,
835                     dma_addr_t pbl_addr,
836                     u16 pbl_size, void __iomem **pp_doorbell)
837 {
838         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
839         struct pfvf_start_queue_resp_tlv *resp;
840         struct vfpf_start_txq_tlv *req;
841         u16 qid = p_cid->rel.queue_id;
842         int rc;
843
844         /* clear mailbox and prep first tlv */
845         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
846
847         req->tx_qid = qid;
848
849         /* Tx */
850         req->pbl_addr = pbl_addr;
851         req->pbl_size = pbl_size;
852         req->hw_sb = p_cid->sb_igu_id;
853         req->sb_index = p_cid->sb_idx;
854
855         qed_vf_pf_add_qid(p_hwfn, p_cid);
856
857         /* add list termination tlv */
858         qed_add_tlv(p_hwfn, &p_iov->offset,
859                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
860
861         resp = &p_iov->pf2vf_reply->queue_start;
862         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
863         if (rc)
864                 goto exit;
865
866         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
867                 rc = -EINVAL;
868                 goto exit;
869         }
870
871         /* Modern PFs provide the actual offsets, while legacy
872          * provided only the queue id.
873          */
874         if (!p_iov->b_pre_fp_hsi) {
875                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
876         } else {
877                 u8 cid = p_iov->acquire_resp.resc.cid[qid];
878
879                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
880                                              qed_db_addr_vf(cid,
881                                                             DQ_DEMS_LEGACY);
882         }
883
884         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
885                    "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
886                    qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
887 exit:
888         qed_vf_pf_req_end(p_hwfn, rc);
889
890         return rc;
891 }
892
893 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
894 {
895         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
896         struct vfpf_stop_txqs_tlv *req;
897         struct pfvf_def_resp_tlv *resp;
898         int rc;
899
900         /* clear mailbox and prep first tlv */
901         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
902
903         req->tx_qid = p_cid->rel.queue_id;
904         req->num_txqs = 1;
905
906         qed_vf_pf_add_qid(p_hwfn, p_cid);
907
908         /* add list termination tlv */
909         qed_add_tlv(p_hwfn, &p_iov->offset,
910                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
911
912         resp = &p_iov->pf2vf_reply->default_resp;
913         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
914         if (rc)
915                 goto exit;
916
917         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
918                 rc = -EINVAL;
919                 goto exit;
920         }
921
922 exit:
923         qed_vf_pf_req_end(p_hwfn, rc);
924
925         return rc;
926 }
927
928 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
929                           u8 vport_id,
930                           u16 mtu,
931                           u8 inner_vlan_removal,
932                           enum qed_tpa_mode tpa_mode,
933                           u8 max_buffers_per_cqe, u8 only_untagged)
934 {
935         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
936         struct vfpf_vport_start_tlv *req;
937         struct pfvf_def_resp_tlv *resp;
938         int rc, i;
939
940         /* clear mailbox and prep first tlv */
941         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
942
943         req->mtu = mtu;
944         req->vport_id = vport_id;
945         req->inner_vlan_removal = inner_vlan_removal;
946         req->tpa_mode = tpa_mode;
947         req->max_buffers_per_cqe = max_buffers_per_cqe;
948         req->only_untagged = only_untagged;
949
950         /* status blocks */
951         for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
952                 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
953
954                 if (p_sb)
955                         req->sb_addr[i] = p_sb->sb_phys;
956         }
957
958         /* add list termination tlv */
959         qed_add_tlv(p_hwfn, &p_iov->offset,
960                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
961
962         resp = &p_iov->pf2vf_reply->default_resp;
963         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
964         if (rc)
965                 goto exit;
966
967         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
968                 rc = -EINVAL;
969                 goto exit;
970         }
971
972 exit:
973         qed_vf_pf_req_end(p_hwfn, rc);
974
975         return rc;
976 }
977
978 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
979 {
980         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
981         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
982         int rc;
983
984         /* clear mailbox and prep first tlv */
985         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
986                        sizeof(struct vfpf_first_tlv));
987
988         /* add list termination tlv */
989         qed_add_tlv(p_hwfn, &p_iov->offset,
990                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
991
992         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
993         if (rc)
994                 goto exit;
995
996         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
997                 rc = -EINVAL;
998                 goto exit;
999         }
1000
1001 exit:
1002         qed_vf_pf_req_end(p_hwfn, rc);
1003
1004         return rc;
1005 }
1006
1007 static bool
1008 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1009                                   struct qed_sp_vport_update_params *p_data,
1010                                   u16 tlv)
1011 {
1012         switch (tlv) {
1013         case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1014                 return !!(p_data->update_vport_active_rx_flg ||
1015                           p_data->update_vport_active_tx_flg);
1016         case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1017                 return !!p_data->update_tx_switching_flg;
1018         case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1019                 return !!p_data->update_inner_vlan_removal_flg;
1020         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1021                 return !!p_data->update_accept_any_vlan_flg;
1022         case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1023                 return !!p_data->update_approx_mcast_flg;
1024         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1025                 return !!(p_data->accept_flags.update_rx_mode_config ||
1026                           p_data->accept_flags.update_tx_mode_config);
1027         case CHANNEL_TLV_VPORT_UPDATE_RSS:
1028                 return !!p_data->rss_params;
1029         case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1030                 return !!p_data->sge_tpa_params;
1031         default:
1032                 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1033                         tlv);
1034                 return false;
1035         }
1036 }
1037
1038 static void
1039 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1040                                   struct qed_sp_vport_update_params *p_data)
1041 {
1042         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1043         struct pfvf_def_resp_tlv *p_resp;
1044         u16 tlv;
1045
1046         for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1047              tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1048                 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1049                         continue;
1050
1051                 p_resp = (struct pfvf_def_resp_tlv *)
1052                          qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1053                                                   tlv);
1054                 if (p_resp && p_resp->hdr.status)
1055                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1056                                    "TLV[%d] Configuration %s\n",
1057                                    tlv,
1058                                    (p_resp && p_resp->hdr.status) ? "succeeded"
1059                                                                   : "failed");
1060         }
1061 }
1062
1063 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1064                            struct qed_sp_vport_update_params *p_params)
1065 {
1066         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1067         struct vfpf_vport_update_tlv *req;
1068         struct pfvf_def_resp_tlv *resp;
1069         u8 update_rx, update_tx;
1070         u32 resp_size = 0;
1071         u16 size, tlv;
1072         int rc;
1073
1074         resp = &p_iov->pf2vf_reply->default_resp;
1075         resp_size = sizeof(*resp);
1076
1077         update_rx = p_params->update_vport_active_rx_flg;
1078         update_tx = p_params->update_vport_active_tx_flg;
1079
1080         /* clear mailbox and prep header tlv */
1081         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1082
1083         /* Prepare extended tlvs */
1084         if (update_rx || update_tx) {
1085                 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1086
1087                 size = sizeof(struct vfpf_vport_update_activate_tlv);
1088                 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1089                                         CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1090                                         size);
1091                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1092
1093                 if (update_rx) {
1094                         p_act_tlv->update_rx = update_rx;
1095                         p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1096                 }
1097
1098                 if (update_tx) {
1099                         p_act_tlv->update_tx = update_tx;
1100                         p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1101                 }
1102         }
1103
1104         if (p_params->update_tx_switching_flg) {
1105                 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1106
1107                 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1108                 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1109                 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1110                                               tlv, size);
1111                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1112
1113                 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1114         }
1115
1116         if (p_params->update_approx_mcast_flg) {
1117                 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1118
1119                 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1120                 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1121                                           CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1122                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1123
1124                 memcpy(p_mcast_tlv->bins, p_params->bins,
1125                        sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1126         }
1127
1128         update_rx = p_params->accept_flags.update_rx_mode_config;
1129         update_tx = p_params->accept_flags.update_tx_mode_config;
1130
1131         if (update_rx || update_tx) {
1132                 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1133
1134                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1135                 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1136                 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1137                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1138
1139                 if (update_rx) {
1140                         p_accept_tlv->update_rx_mode = update_rx;
1141                         p_accept_tlv->rx_accept_filter =
1142                             p_params->accept_flags.rx_accept_filter;
1143                 }
1144
1145                 if (update_tx) {
1146                         p_accept_tlv->update_tx_mode = update_tx;
1147                         p_accept_tlv->tx_accept_filter =
1148                             p_params->accept_flags.tx_accept_filter;
1149                 }
1150         }
1151
1152         if (p_params->rss_params) {
1153                 struct qed_rss_params *rss_params = p_params->rss_params;
1154                 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1155                 int i, table_size;
1156
1157                 size = sizeof(struct vfpf_vport_update_rss_tlv);
1158                 p_rss_tlv = qed_add_tlv(p_hwfn,
1159                                         &p_iov->offset,
1160                                         CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1161                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1162
1163                 if (rss_params->update_rss_config)
1164                         p_rss_tlv->update_rss_flags |=
1165                             VFPF_UPDATE_RSS_CONFIG_FLAG;
1166                 if (rss_params->update_rss_capabilities)
1167                         p_rss_tlv->update_rss_flags |=
1168                             VFPF_UPDATE_RSS_CAPS_FLAG;
1169                 if (rss_params->update_rss_ind_table)
1170                         p_rss_tlv->update_rss_flags |=
1171                             VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1172                 if (rss_params->update_rss_key)
1173                         p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1174
1175                 p_rss_tlv->rss_enable = rss_params->rss_enable;
1176                 p_rss_tlv->rss_caps = rss_params->rss_caps;
1177                 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1178
1179                 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1180                                    1 << p_rss_tlv->rss_table_size_log);
1181                 for (i = 0; i < table_size; i++) {
1182                         struct qed_queue_cid *p_queue;
1183
1184                         p_queue = rss_params->rss_ind_table[i];
1185                         p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1186                 }
1187                 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1188                        sizeof(rss_params->rss_key));
1189         }
1190
1191         if (p_params->update_accept_any_vlan_flg) {
1192                 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1193
1194                 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1195                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1196                 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1197
1198                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1199                 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1200                 p_any_vlan_tlv->update_accept_any_vlan_flg =
1201                     p_params->update_accept_any_vlan_flg;
1202         }
1203
1204         /* add list termination tlv */
1205         qed_add_tlv(p_hwfn, &p_iov->offset,
1206                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1207
1208         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1209         if (rc)
1210                 goto exit;
1211
1212         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1213                 rc = -EINVAL;
1214                 goto exit;
1215         }
1216
1217         qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1218
1219 exit:
1220         qed_vf_pf_req_end(p_hwfn, rc);
1221
1222         return rc;
1223 }
1224
1225 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1226 {
1227         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1228         struct pfvf_def_resp_tlv *resp;
1229         struct vfpf_first_tlv *req;
1230         int rc;
1231
1232         /* clear mailbox and prep first tlv */
1233         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1234
1235         /* add list termination tlv */
1236         qed_add_tlv(p_hwfn, &p_iov->offset,
1237                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1238
1239         resp = &p_iov->pf2vf_reply->default_resp;
1240         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1241         if (rc)
1242                 goto exit;
1243
1244         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1245                 rc = -EAGAIN;
1246                 goto exit;
1247         }
1248
1249         p_hwfn->b_int_enabled = 0;
1250
1251 exit:
1252         qed_vf_pf_req_end(p_hwfn, rc);
1253
1254         return rc;
1255 }
1256
1257 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1258                             struct qed_filter_mcast *p_filter_cmd)
1259 {
1260         struct qed_sp_vport_update_params sp_params;
1261         int i;
1262
1263         memset(&sp_params, 0, sizeof(sp_params));
1264         sp_params.update_approx_mcast_flg = 1;
1265
1266         if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1267                 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1268                         u32 bit;
1269
1270                         bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1271                         sp_params.bins[bit / 32] |= 1 << (bit % 32);
1272                 }
1273         }
1274
1275         qed_vf_pf_vport_update(p_hwfn, &sp_params);
1276 }
1277
1278 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1279                            struct qed_filter_ucast *p_ucast)
1280 {
1281         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1282         struct vfpf_ucast_filter_tlv *req;
1283         struct pfvf_def_resp_tlv *resp;
1284         int rc;
1285
1286         /* clear mailbox and prep first tlv */
1287         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1288         req->opcode = (u8) p_ucast->opcode;
1289         req->type = (u8) p_ucast->type;
1290         memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1291         req->vlan = p_ucast->vlan;
1292
1293         /* add list termination tlv */
1294         qed_add_tlv(p_hwfn, &p_iov->offset,
1295                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1296
1297         resp = &p_iov->pf2vf_reply->default_resp;
1298         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1299         if (rc)
1300                 goto exit;
1301
1302         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1303                 rc = -EAGAIN;
1304                 goto exit;
1305         }
1306
1307 exit:
1308         qed_vf_pf_req_end(p_hwfn, rc);
1309
1310         return rc;
1311 }
1312
1313 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1314 {
1315         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1316         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1317         int rc;
1318
1319         /* clear mailbox and prep first tlv */
1320         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1321                        sizeof(struct vfpf_first_tlv));
1322
1323         /* add list termination tlv */
1324         qed_add_tlv(p_hwfn, &p_iov->offset,
1325                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1326
1327         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1328         if (rc)
1329                 goto exit;
1330
1331         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1332                 rc = -EINVAL;
1333                 goto exit;
1334         }
1335
1336 exit:
1337         qed_vf_pf_req_end(p_hwfn, rc);
1338
1339         return rc;
1340 }
1341
1342 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1343                            u16 *p_coal, struct qed_queue_cid *p_cid)
1344 {
1345         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1346         struct pfvf_read_coal_resp_tlv *resp;
1347         struct vfpf_read_coal_req_tlv *req;
1348         int rc;
1349
1350         /* clear mailbox and prep header tlv */
1351         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1352         req->qid = p_cid->rel.queue_id;
1353         req->is_rx = p_cid->b_is_rx ? 1 : 0;
1354
1355         qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1356                     sizeof(struct channel_list_end_tlv));
1357         resp = &p_iov->pf2vf_reply->read_coal_resp;
1358
1359         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1360         if (rc)
1361                 goto exit;
1362
1363         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1364                 goto exit;
1365
1366         *p_coal = resp->coal;
1367 exit:
1368         qed_vf_pf_req_end(p_hwfn, rc);
1369
1370         return rc;
1371 }
1372
1373 int
1374 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1375                               u8 *p_mac)
1376 {
1377         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1378         struct vfpf_bulletin_update_mac_tlv *p_req;
1379         struct pfvf_def_resp_tlv *p_resp;
1380         int rc;
1381
1382         if (!p_mac)
1383                 return -EINVAL;
1384
1385         /* clear mailbox and prep header tlv */
1386         p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1387                                sizeof(*p_req));
1388         ether_addr_copy(p_req->mac, p_mac);
1389         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1390                    "Requesting bulletin update for MAC[%pM]\n", p_mac);
1391
1392         /* add list termination tlv */
1393         qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1394                     sizeof(struct channel_list_end_tlv));
1395
1396         p_resp = &p_iov->pf2vf_reply->default_resp;
1397         rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1398         qed_vf_pf_req_end(p_hwfn, rc);
1399         return rc;
1400 }
1401
1402 int
1403 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1404                        u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1405 {
1406         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1407         struct vfpf_update_coalesce *req;
1408         struct pfvf_def_resp_tlv *resp;
1409         int rc;
1410
1411         /* clear mailbox and prep header tlv */
1412         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1413
1414         req->rx_coal = rx_coal;
1415         req->tx_coal = tx_coal;
1416         req->qid = p_cid->rel.queue_id;
1417
1418         DP_VERBOSE(p_hwfn,
1419                    QED_MSG_IOV,
1420                    "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1421                    rx_coal, tx_coal, req->qid);
1422
1423         /* add list termination tlv */
1424         qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1425                     sizeof(struct channel_list_end_tlv));
1426
1427         resp = &p_iov->pf2vf_reply->default_resp;
1428         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1429         if (rc)
1430                 goto exit;
1431
1432         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1433                 goto exit;
1434
1435         if (rx_coal)
1436                 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1437
1438         if (tx_coal)
1439                 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1440
1441 exit:
1442         qed_vf_pf_req_end(p_hwfn, rc);
1443         return rc;
1444 }
1445
1446 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1447 {
1448         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1449
1450         if (!p_iov) {
1451                 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1452                 return 0;
1453         }
1454
1455         return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1456 }
1457
1458 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1459                         u16 sb_id, struct qed_sb_info *p_sb)
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;
1466         }
1467
1468         if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1469                 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1470                 return;
1471         }
1472
1473         p_iov->sbs_info[sb_id] = p_sb;
1474 }
1475
1476 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1477 {
1478         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1479         struct qed_bulletin_content shadow;
1480         u32 crc, crc_size;
1481
1482         crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1483         *p_change = 0;
1484
1485         /* Need to guarantee PF is not in the middle of writing it */
1486         memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1487
1488         /* If version did not update, no need to do anything */
1489         if (shadow.version == p_iov->bulletin_shadow.version)
1490                 return 0;
1491
1492         /* Verify the bulletin we see is valid */
1493         crc = crc32(0, (u8 *)&shadow + crc_size,
1494                     p_iov->bulletin.size - crc_size);
1495         if (crc != shadow.crc)
1496                 return -EAGAIN;
1497
1498         /* Set the shadow bulletin and process it */
1499         memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1500
1501         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1502                    "Read a bulletin update %08x\n", shadow.version);
1503
1504         *p_change = 1;
1505
1506         return 0;
1507 }
1508
1509 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1510                               struct qed_mcp_link_params *p_params,
1511                               struct qed_bulletin_content *p_bulletin)
1512 {
1513         memset(p_params, 0, sizeof(*p_params));
1514
1515         p_params->speed.autoneg = p_bulletin->req_autoneg;
1516         p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1517         p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1518         p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1519         p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1520         p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1521         p_params->loopback_mode = p_bulletin->req_loopback;
1522 }
1523
1524 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1525                             struct qed_mcp_link_params *params)
1526 {
1527         __qed_vf_get_link_params(p_hwfn, params,
1528                                  &(p_hwfn->vf_iov_info->bulletin_shadow));
1529 }
1530
1531 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1532                              struct qed_mcp_link_state *p_link,
1533                              struct qed_bulletin_content *p_bulletin)
1534 {
1535         memset(p_link, 0, sizeof(*p_link));
1536
1537         p_link->link_up = p_bulletin->link_up;
1538         p_link->speed = p_bulletin->speed;
1539         p_link->full_duplex = p_bulletin->full_duplex;
1540         p_link->an = p_bulletin->autoneg;
1541         p_link->an_complete = p_bulletin->autoneg_complete;
1542         p_link->parallel_detection = p_bulletin->parallel_detection;
1543         p_link->pfc_enabled = p_bulletin->pfc_enabled;
1544         p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1545         p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1546         p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1547         p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1548         p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1549 }
1550
1551 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1552                            struct qed_mcp_link_state *link)
1553 {
1554         __qed_vf_get_link_state(p_hwfn, link,
1555                                 &(p_hwfn->vf_iov_info->bulletin_shadow));
1556 }
1557
1558 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1559                             struct qed_mcp_link_capabilities *p_link_caps,
1560                             struct qed_bulletin_content *p_bulletin)
1561 {
1562         memset(p_link_caps, 0, sizeof(*p_link_caps));
1563         p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1564 }
1565
1566 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1567                           struct qed_mcp_link_capabilities *p_link_caps)
1568 {
1569         __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1570                                &(p_hwfn->vf_iov_info->bulletin_shadow));
1571 }
1572
1573 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1574 {
1575         *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1576 }
1577
1578 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1579 {
1580         *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1581 }
1582
1583 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1584 {
1585         *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1586 }
1587
1588 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1589 {
1590         memcpy(port_mac,
1591                p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1592 }
1593
1594 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1595 {
1596         struct qed_vf_iov *p_vf;
1597
1598         p_vf = p_hwfn->vf_iov_info;
1599         *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1600 }
1601
1602 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1603 {
1604         struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1605
1606         *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1607 }
1608
1609 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1610 {
1611         struct qed_bulletin_content *bulletin;
1612
1613         bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1614         if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1615                 return true;
1616
1617         /* Forbid VF from changing a MAC enforced by PF */
1618         if (ether_addr_equal(bulletin->mac, mac))
1619                 return false;
1620
1621         return false;
1622 }
1623
1624 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1625                                            u8 *dst_mac, u8 *p_is_forced)
1626 {
1627         struct qed_bulletin_content *bulletin;
1628
1629         bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1630
1631         if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1632                 if (p_is_forced)
1633                         *p_is_forced = 1;
1634         } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1635                 if (p_is_forced)
1636                         *p_is_forced = 0;
1637         } else {
1638                 return false;
1639         }
1640
1641         ether_addr_copy(dst_mac, bulletin->mac);
1642
1643         return true;
1644 }
1645
1646 static void
1647 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1648                               u16 *p_vxlan_port, u16 *p_geneve_port)
1649 {
1650         struct qed_bulletin_content *p_bulletin;
1651
1652         p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1653
1654         *p_vxlan_port = p_bulletin->vxlan_udp_port;
1655         *p_geneve_port = p_bulletin->geneve_udp_port;
1656 }
1657
1658 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1659                            u16 *fw_major, u16 *fw_minor,
1660                            u16 *fw_rev, u16 *fw_eng)
1661 {
1662         struct pf_vf_pfdev_info *info;
1663
1664         info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1665
1666         *fw_major = info->fw_major;
1667         *fw_minor = info->fw_minor;
1668         *fw_rev = info->fw_rev;
1669         *fw_eng = info->fw_eng;
1670 }
1671
1672 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1673 {
1674         struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1675         u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1676         void *cookie = hwfn->cdev->ops_cookie;
1677         u16 vxlan_port, geneve_port;
1678
1679         qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1680         is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1681                                                       &is_mac_forced);
1682         if (is_mac_exist && cookie)
1683                 ops->force_mac(cookie, mac, !!is_mac_forced);
1684
1685         ops->ports_update(cookie, vxlan_port, geneve_port);
1686
1687         /* Always update link configuration according to bulletin */
1688         qed_link_update(hwfn, NULL);
1689 }
1690
1691 void qed_iov_vf_task(struct work_struct *work)
1692 {
1693         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1694                                              iov_task.work);
1695         u8 change = 0;
1696
1697         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1698                 return;
1699
1700         /* Handle bulletin board changes */
1701         qed_vf_read_bulletin(hwfn, &change);
1702         if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1703                                &hwfn->iov_task_flags))
1704                 change = 1;
1705         if (change)
1706                 qed_handle_bulletin_change(hwfn);
1707
1708         /* As VF is polling bulletin board, need to constantly re-schedule */
1709         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1710 }