qed: Correct Multicast API to reflect existence of 256 approximate buckets.
[linux-2.6-microblaze.git] / drivers / net / ethernet / qlogic / qed / qed_vf.c
1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32
33 #include <linux/crc32.h>
34 #include <linux/etherdevice.h>
35 #include "qed.h"
36 #include "qed_sriov.h"
37 #include "qed_vf.h"
38
39 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
40 {
41         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
42         void *p_tlv;
43
44         /* This lock is released when we receive PF's response
45          * in qed_send_msg2pf().
46          * So, qed_vf_pf_prep() and qed_send_msg2pf()
47          * must come in sequence.
48          */
49         mutex_lock(&(p_iov->mutex));
50
51         DP_VERBOSE(p_hwfn,
52                    QED_MSG_IOV,
53                    "preparing to send 0x%04x tlv over vf pf channel\n",
54                    type);
55
56         /* Reset Requst offset */
57         p_iov->offset = (u8 *)p_iov->vf2pf_request;
58
59         /* Clear mailbox - both request and reply */
60         memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
61         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
62
63         /* Init type and length */
64         p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
65
66         /* Init first tlv header */
67         ((struct vfpf_first_tlv *)p_tlv)->reply_address =
68             (u64)p_iov->pf2vf_reply_phys;
69
70         return p_tlv;
71 }
72
73 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
74 {
75         union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
76
77         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
78                    "VF request status = 0x%x, PF reply status = 0x%x\n",
79                    req_status, resp->default_resp.hdr.status);
80
81         mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
82 }
83
84 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
85 {
86         union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
87         struct ustorm_trigger_vf_zone trigger;
88         struct ustorm_vf_zone *zone_data;
89         int rc = 0, time = 100;
90
91         zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
92
93         /* output tlvs list */
94         qed_dp_tlv_list(p_hwfn, p_req);
95
96         /* need to add the END TLV to the message size */
97         resp_size += sizeof(struct channel_list_end_tlv);
98
99         /* Send TLVs over HW channel */
100         memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
101         trigger.vf_pf_msg_valid = 1;
102
103         DP_VERBOSE(p_hwfn,
104                    QED_MSG_IOV,
105                    "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
106                    GET_FIELD(p_hwfn->hw_info.concrete_fid,
107                              PXP_CONCRETE_FID_PFID),
108                    upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
109                    lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
110                    &zone_data->non_trigger.vf_pf_msg_addr,
111                    *((u32 *)&trigger), &zone_data->trigger);
112
113         REG_WR(p_hwfn,
114                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
115                lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
116
117         REG_WR(p_hwfn,
118                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
119                upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
120
121         /* The message data must be written first, to prevent trigger before
122          * data is written.
123          */
124         wmb();
125
126         REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
127
128         /* When PF would be done with the response, it would write back to the
129          * `done' address. Poll until then.
130          */
131         while ((!*done) && time) {
132                 msleep(25);
133                 time--;
134         }
135
136         if (!*done) {
137                 DP_NOTICE(p_hwfn,
138                           "VF <-- PF Timeout [Type %d]\n",
139                           p_req->first_tlv.tl.type);
140                 rc = -EBUSY;
141         } else {
142                 if ((*done != PFVF_STATUS_SUCCESS) &&
143                     (*done != PFVF_STATUS_NO_RESOURCE))
144                         DP_NOTICE(p_hwfn,
145                                   "PF response: %d [Type %d]\n",
146                                   *done, p_req->first_tlv.tl.type);
147                 else
148                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
149                                    "PF response: %d [Type %d]\n",
150                                    *done, p_req->first_tlv.tl.type);
151         }
152
153         return rc;
154 }
155
156 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
157                               struct qed_queue_cid *p_cid)
158 {
159         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
160         struct vfpf_qid_tlv *p_qid_tlv;
161
162         /* Only add QIDs for the queue if it was negotiated with PF */
163         if (!(p_iov->acquire_resp.pfdev_info.capabilities &
164               PFVF_ACQUIRE_CAP_QUEUE_QIDS))
165                 return;
166
167         p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
168                                 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
169         p_qid_tlv->qid = p_cid->qid_usage_idx;
170 }
171
172 int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
173 {
174         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
175         struct pfvf_def_resp_tlv *resp;
176         struct vfpf_first_tlv *req;
177         u32 size;
178         int rc;
179
180         /* clear mailbox and prep first tlv */
181         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
182
183         /* add list termination tlv */
184         qed_add_tlv(p_hwfn, &p_iov->offset,
185                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
186
187         resp = &p_iov->pf2vf_reply->default_resp;
188         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
189
190         if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
191                 rc = -EAGAIN;
192
193         qed_vf_pf_req_end(p_hwfn, rc);
194         if (!b_final)
195                 return rc;
196
197         p_hwfn->b_int_enabled = 0;
198
199         if (p_iov->vf2pf_request)
200                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
201                                   sizeof(union vfpf_tlvs),
202                                   p_iov->vf2pf_request,
203                                   p_iov->vf2pf_request_phys);
204         if (p_iov->pf2vf_reply)
205                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
206                                   sizeof(union pfvf_tlvs),
207                                   p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
208
209         if (p_iov->bulletin.p_virt) {
210                 size = sizeof(struct qed_bulletin_content);
211                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
212                                   size,
213                                   p_iov->bulletin.p_virt, p_iov->bulletin.phys);
214         }
215
216         kfree(p_hwfn->vf_iov_info);
217         p_hwfn->vf_iov_info = NULL;
218
219         return rc;
220 }
221
222 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
223 {
224         return _qed_vf_pf_release(p_hwfn, true);
225 }
226
227 #define VF_ACQUIRE_THRESH 3
228 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
229                                           struct vf_pf_resc_request *p_req,
230                                           struct pf_vf_resc *p_resp)
231 {
232         DP_VERBOSE(p_hwfn,
233                    QED_MSG_IOV,
234                    "PF unwilling to 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",
235                    p_req->num_rxqs,
236                    p_resp->num_rxqs,
237                    p_req->num_rxqs,
238                    p_resp->num_txqs,
239                    p_req->num_sbs,
240                    p_resp->num_sbs,
241                    p_req->num_mac_filters,
242                    p_resp->num_mac_filters,
243                    p_req->num_vlan_filters,
244                    p_resp->num_vlan_filters,
245                    p_req->num_mc_filters,
246                    p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
247
248         /* humble our request */
249         p_req->num_txqs = p_resp->num_txqs;
250         p_req->num_rxqs = p_resp->num_rxqs;
251         p_req->num_sbs = p_resp->num_sbs;
252         p_req->num_mac_filters = p_resp->num_mac_filters;
253         p_req->num_vlan_filters = p_resp->num_vlan_filters;
254         p_req->num_mc_filters = p_resp->num_mc_filters;
255         p_req->num_cids = p_resp->num_cids;
256 }
257
258 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
259 {
260         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
261         struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
262         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
263         struct vf_pf_resc_request *p_resc;
264         bool resources_acquired = false;
265         struct vfpf_acquire_tlv *req;
266         int rc = 0, attempts = 0;
267
268         /* clear mailbox and prep first tlv */
269         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
270         p_resc = &req->resc_request;
271
272         /* starting filling the request */
273         req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
274
275         p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
276         p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
277         p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
278         p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
279         p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
280         p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
281
282         req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
283         req->vfdev_info.fw_major = FW_MAJOR_VERSION;
284         req->vfdev_info.fw_minor = FW_MINOR_VERSION;
285         req->vfdev_info.fw_revision = FW_REVISION_VERSION;
286         req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
287         req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
288         req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
289
290         /* Fill capability field with any non-deprecated config we support */
291         req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
292
293         /* If we've mapped the doorbell bar, try using queue qids */
294         if (p_iov->b_doorbell_bar) {
295                 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
296                                                 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
297                 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
298         }
299
300         /* pf 2 vf bulletin board address */
301         req->bulletin_addr = p_iov->bulletin.phys;
302         req->bulletin_size = p_iov->bulletin.size;
303
304         /* add list termination tlv */
305         qed_add_tlv(p_hwfn, &p_iov->offset,
306                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
307
308         while (!resources_acquired) {
309                 DP_VERBOSE(p_hwfn,
310                            QED_MSG_IOV, "attempting to acquire resources\n");
311
312                 /* Clear response buffer, as this might be a re-send */
313                 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
314
315                 /* send acquire request */
316                 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
317                 if (rc)
318                         goto exit;
319
320                 /* copy acquire response from buffer to p_hwfn */
321                 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
322
323                 attempts++;
324
325                 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
326                         /* PF agrees to allocate our resources */
327                         if (!(resp->pfdev_info.capabilities &
328                               PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
329                                 /* It's possible legacy PF mistakenly accepted;
330                                  * but we don't care - simply mark it as
331                                  * legacy and continue.
332                                  */
333                                 req->vfdev_info.capabilities |=
334                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI;
335                         }
336                         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
337                         resources_acquired = true;
338                 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
339                            attempts < VF_ACQUIRE_THRESH) {
340                         qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
341                                                       &resp->resc);
342                 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
343                         if (pfdev_info->major_fp_hsi &&
344                             (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
345                                 DP_NOTICE(p_hwfn,
346                                           "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
347                                           pfdev_info->major_fp_hsi,
348                                           pfdev_info->minor_fp_hsi,
349                                           ETH_HSI_VER_MAJOR,
350                                           ETH_HSI_VER_MINOR,
351                                           pfdev_info->major_fp_hsi);
352                                 rc = -EINVAL;
353                                 goto exit;
354                         }
355
356                         if (!pfdev_info->major_fp_hsi) {
357                                 if (req->vfdev_info.capabilities &
358                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
359                                         DP_NOTICE(p_hwfn,
360                                                   "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
361                                         rc = -EINVAL;
362                                         goto exit;
363                                 } else {
364                                         DP_INFO(p_hwfn,
365                                                 "PF is old - try re-acquire to see if it supports FW-version override\n");
366                                         req->vfdev_info.capabilities |=
367                                             VFPF_ACQUIRE_CAP_PRE_FP_HSI;
368                                         continue;
369                                 }
370                         }
371
372                         /* If PF/VF are using same Major, PF must have had
373                          * it's reasons. Simply fail.
374                          */
375                         DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
376                         rc = -EINVAL;
377                         goto exit;
378                 } else {
379                         DP_ERR(p_hwfn,
380                                "PF returned error %d to VF acquisition request\n",
381                                resp->hdr.status);
382                         rc = -EAGAIN;
383                         goto exit;
384                 }
385         }
386
387         /* Mark the PF as legacy, if needed */
388         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
389                 p_iov->b_pre_fp_hsi = true;
390
391         /* In case PF doesn't support multi-queue Tx, update the number of
392          * CIDs to reflect the number of queues [older PFs didn't fill that
393          * field].
394          */
395         if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
396                 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
397
398         /* Update bulletin board size with response from PF */
399         p_iov->bulletin.size = resp->bulletin_size;
400
401         /* get HW info */
402         p_hwfn->cdev->type = resp->pfdev_info.dev_type;
403         p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
404
405         p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
406
407         /* Learn of the possibility of CMT */
408         if (IS_LEAD_HWFN(p_hwfn)) {
409                 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
410                         DP_NOTICE(p_hwfn, "100g VF\n");
411                         p_hwfn->cdev->num_hwfns = 2;
412                 }
413         }
414
415         if (!p_iov->b_pre_fp_hsi &&
416             ETH_HSI_VER_MINOR &&
417             (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
418                 DP_INFO(p_hwfn,
419                         "PF is using older fastpath HSI; %02x.%02x is configured\n",
420                         ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
421         }
422
423 exit:
424         qed_vf_pf_req_end(p_hwfn, rc);
425
426         return rc;
427 }
428
429 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
430 {
431         u32 bar_size;
432
433         /* Regview size is fixed */
434         if (bar_id == BAR_ID_0)
435                 return 1 << 17;
436
437         /* Doorbell is received from PF */
438         bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
439         if (bar_size)
440                 return 1 << bar_size;
441         return 0;
442 }
443
444 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
445 {
446         struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
447         struct qed_vf_iov *p_iov;
448         u32 reg;
449         int rc;
450
451         /* Set number of hwfns - might be overriden once leading hwfn learns
452          * actual configuration from PF.
453          */
454         if (IS_LEAD_HWFN(p_hwfn))
455                 p_hwfn->cdev->num_hwfns = 1;
456
457         reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
458         p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
459
460         reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
461         p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
462
463         /* Allocate vf sriov info */
464         p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
465         if (!p_iov)
466                 return -ENOMEM;
467
468         /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
469          * value, but there are several incompatibily scenarios where that
470          * would be incorrect and we'd need to override it.
471          */
472         if (!p_hwfn->doorbells) {
473                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
474                                                   PXP_VF_BAR0_START_DQ;
475         } else if (p_hwfn == p_lead) {
476                 /* For leading hw-function, value is always correct, but need
477                  * to handle scenario where legacy PF would not support 100g
478                  * mapped bars later.
479                  */
480                 p_iov->b_doorbell_bar = true;
481         } else {
482                 /* here, value would be correct ONLY if the leading hwfn
483                  * received indication that mapped-bars are supported.
484                  */
485                 if (p_lead->vf_iov_info->b_doorbell_bar)
486                         p_iov->b_doorbell_bar = true;
487                 else
488                         p_hwfn->doorbells = (u8 __iomem *)
489                             p_hwfn->regview + PXP_VF_BAR0_START_DQ;
490         }
491
492         /* Allocate vf2pf msg */
493         p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
494                                                   sizeof(union vfpf_tlvs),
495                                                   &p_iov->vf2pf_request_phys,
496                                                   GFP_KERNEL);
497         if (!p_iov->vf2pf_request)
498                 goto free_p_iov;
499
500         p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
501                                                 sizeof(union pfvf_tlvs),
502                                                 &p_iov->pf2vf_reply_phys,
503                                                 GFP_KERNEL);
504         if (!p_iov->pf2vf_reply)
505                 goto free_vf2pf_request;
506
507         DP_VERBOSE(p_hwfn,
508                    QED_MSG_IOV,
509                    "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
510                    p_iov->vf2pf_request,
511                    (u64) p_iov->vf2pf_request_phys,
512                    p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
513
514         /* Allocate Bulletin board */
515         p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
516         p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
517                                                     p_iov->bulletin.size,
518                                                     &p_iov->bulletin.phys,
519                                                     GFP_KERNEL);
520         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
521                    "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
522                    p_iov->bulletin.p_virt,
523                    (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
524
525         mutex_init(&p_iov->mutex);
526
527         p_hwfn->vf_iov_info = p_iov;
528
529         p_hwfn->hw_info.personality = QED_PCI_ETH;
530
531         rc = qed_vf_pf_acquire(p_hwfn);
532
533         /* If VF is 100g using a mapped bar and PF is too old to support that,
534          * acquisition would succeed - but the VF would have no way knowing
535          * the size of the doorbell bar configured in HW and thus will not
536          * know how to split it for 2nd hw-function.
537          * In this case we re-try without the indication of the mapped
538          * doorbell.
539          */
540         if (!rc && p_iov->b_doorbell_bar &&
541             !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
542             (p_hwfn->cdev->num_hwfns > 1)) {
543                 rc = _qed_vf_pf_release(p_hwfn, false);
544                 if (rc)
545                         return rc;
546
547                 p_iov->b_doorbell_bar = false;
548                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
549                                                   PXP_VF_BAR0_START_DQ;
550                 rc = qed_vf_pf_acquire(p_hwfn);
551         }
552
553         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
554                    "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
555                    p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
556
557         return rc;
558
559 free_vf2pf_request:
560         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
561                           sizeof(union vfpf_tlvs),
562                           p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
563 free_p_iov:
564         kfree(p_iov);
565
566         return -ENOMEM;
567 }
568 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
569 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
570                                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
571
572 static void
573 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
574                            struct qed_tunn_update_type *p_src,
575                            enum qed_tunn_clss mask, u8 *p_cls)
576 {
577         if (p_src->b_update_mode) {
578                 p_req->tun_mode_update_mask |= BIT(mask);
579
580                 if (p_src->b_mode_enabled)
581                         p_req->tunn_mode |= BIT(mask);
582         }
583
584         *p_cls = p_src->tun_cls;
585 }
586
587 static void
588 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
589                          struct qed_tunn_update_type *p_src,
590                          enum qed_tunn_clss mask,
591                          u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
592                          u8 *p_update_port, u16 *p_udp_port)
593 {
594         if (p_port->b_update_port) {
595                 *p_update_port = 1;
596                 *p_udp_port = p_port->port;
597         }
598
599         __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
600 }
601
602 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
603 {
604         if (p_tun->vxlan.b_mode_enabled)
605                 p_tun->vxlan.b_update_mode = true;
606         if (p_tun->l2_geneve.b_mode_enabled)
607                 p_tun->l2_geneve.b_update_mode = true;
608         if (p_tun->ip_geneve.b_mode_enabled)
609                 p_tun->ip_geneve.b_update_mode = true;
610         if (p_tun->l2_gre.b_mode_enabled)
611                 p_tun->l2_gre.b_update_mode = true;
612         if (p_tun->ip_gre.b_mode_enabled)
613                 p_tun->ip_gre.b_update_mode = true;
614
615         p_tun->b_update_rx_cls = true;
616         p_tun->b_update_tx_cls = true;
617 }
618
619 static void
620 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
621                            u16 feature_mask, u8 tunn_mode,
622                            u8 tunn_cls, enum qed_tunn_mode val)
623 {
624         if (feature_mask & BIT(val)) {
625                 p_tun->b_mode_enabled = tunn_mode;
626                 p_tun->tun_cls = tunn_cls;
627         } else {
628                 p_tun->b_mode_enabled = false;
629         }
630 }
631
632 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
633                                      struct qed_tunnel_info *p_tun,
634                                      struct pfvf_update_tunn_param_tlv *p_resp)
635 {
636         /* Update mode and classes provided by PF */
637         u16 feat_mask = p_resp->tunn_feature_mask;
638
639         __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
640                                    p_resp->vxlan_mode, p_resp->vxlan_clss,
641                                    QED_MODE_VXLAN_TUNN);
642         __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
643                                    p_resp->l2geneve_mode,
644                                    p_resp->l2geneve_clss,
645                                    QED_MODE_L2GENEVE_TUNN);
646         __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
647                                    p_resp->ipgeneve_mode,
648                                    p_resp->ipgeneve_clss,
649                                    QED_MODE_IPGENEVE_TUNN);
650         __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
651                                    p_resp->l2gre_mode, p_resp->l2gre_clss,
652                                    QED_MODE_L2GRE_TUNN);
653         __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
654                                    p_resp->ipgre_mode, p_resp->ipgre_clss,
655                                    QED_MODE_IPGRE_TUNN);
656         p_tun->geneve_port.port = p_resp->geneve_udp_port;
657         p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
658
659         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
660                    "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
661                    p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
662                    p_tun->ip_geneve.b_mode_enabled,
663                    p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
664 }
665
666 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
667                                   struct qed_tunnel_info *p_src)
668 {
669         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
670         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
671         struct pfvf_update_tunn_param_tlv *p_resp;
672         struct vfpf_update_tunn_param_tlv *p_req;
673         int rc;
674
675         p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
676                                sizeof(*p_req));
677
678         if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
679                 p_req->update_tun_cls = 1;
680
681         qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
682                                  &p_req->vxlan_clss, &p_src->vxlan_port,
683                                  &p_req->update_vxlan_port,
684                                  &p_req->vxlan_port);
685         qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
686                                  QED_MODE_L2GENEVE_TUNN,
687                                  &p_req->l2geneve_clss, &p_src->geneve_port,
688                                  &p_req->update_geneve_port,
689                                  &p_req->geneve_port);
690         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
691                                    QED_MODE_IPGENEVE_TUNN,
692                                    &p_req->ipgeneve_clss);
693         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
694                                    QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
695         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
696                                    QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
697
698         /* add list termination tlv */
699         qed_add_tlv(p_hwfn, &p_iov->offset,
700                     CHANNEL_TLV_LIST_END,
701                     sizeof(struct channel_list_end_tlv));
702
703         p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
704         rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
705
706         if (rc)
707                 goto exit;
708
709         if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
710                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
711                            "Failed to update tunnel parameters\n");
712                 rc = -EINVAL;
713         }
714
715         qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
716 exit:
717         qed_vf_pf_req_end(p_hwfn, rc);
718         return rc;
719 }
720
721 int
722 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
723                     struct qed_queue_cid *p_cid,
724                     u16 bd_max_bytes,
725                     dma_addr_t bd_chain_phys_addr,
726                     dma_addr_t cqe_pbl_addr,
727                     u16 cqe_pbl_size, void __iomem **pp_prod)
728 {
729         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
730         struct pfvf_start_queue_resp_tlv *resp;
731         struct vfpf_start_rxq_tlv *req;
732         u8 rx_qid = p_cid->rel.queue_id;
733         int rc;
734
735         /* clear mailbox and prep first tlv */
736         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
737
738         req->rx_qid = rx_qid;
739         req->cqe_pbl_addr = cqe_pbl_addr;
740         req->cqe_pbl_size = cqe_pbl_size;
741         req->rxq_addr = bd_chain_phys_addr;
742         req->hw_sb = p_cid->sb_igu_id;
743         req->sb_index = p_cid->sb_idx;
744         req->bd_max_bytes = bd_max_bytes;
745         req->stat_id = -1;
746
747         /* If PF is legacy, we'll need to calculate producers ourselves
748          * as well as clean them.
749          */
750         if (p_iov->b_pre_fp_hsi) {
751                 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
752                 u32 init_prod_val = 0;
753
754                 *pp_prod = (u8 __iomem *)
755                     p_hwfn->regview +
756                     MSTORM_QZONE_START(p_hwfn->cdev) +
757                     hw_qid * MSTORM_QZONE_SIZE;
758
759                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
760                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
761                                   (u32 *)(&init_prod_val));
762         }
763
764         qed_vf_pf_add_qid(p_hwfn, p_cid);
765
766         /* add list termination tlv */
767         qed_add_tlv(p_hwfn, &p_iov->offset,
768                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
769
770         resp = &p_iov->pf2vf_reply->queue_start;
771         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
772         if (rc)
773                 goto exit;
774
775         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
776                 rc = -EINVAL;
777                 goto exit;
778         }
779
780         /* Learn the address of the producer from the response */
781         if (!p_iov->b_pre_fp_hsi) {
782                 u32 init_prod_val = 0;
783
784                 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
785                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
786                            "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
787                            rx_qid, *pp_prod, resp->offset);
788
789                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
790                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
791                                   (u32 *)&init_prod_val);
792         }
793 exit:
794         qed_vf_pf_req_end(p_hwfn, rc);
795
796         return rc;
797 }
798
799 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
800                        struct qed_queue_cid *p_cid, bool cqe_completion)
801 {
802         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
803         struct vfpf_stop_rxqs_tlv *req;
804         struct pfvf_def_resp_tlv *resp;
805         int rc;
806
807         /* clear mailbox and prep first tlv */
808         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
809
810         req->rx_qid = p_cid->rel.queue_id;
811         req->num_rxqs = 1;
812         req->cqe_completion = cqe_completion;
813
814         qed_vf_pf_add_qid(p_hwfn, p_cid);
815
816         /* add list termination tlv */
817         qed_add_tlv(p_hwfn, &p_iov->offset,
818                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
819
820         resp = &p_iov->pf2vf_reply->default_resp;
821         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
822         if (rc)
823                 goto exit;
824
825         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
826                 rc = -EINVAL;
827                 goto exit;
828         }
829
830 exit:
831         qed_vf_pf_req_end(p_hwfn, rc);
832
833         return rc;
834 }
835
836 int
837 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
838                     struct qed_queue_cid *p_cid,
839                     dma_addr_t pbl_addr,
840                     u16 pbl_size, void __iomem **pp_doorbell)
841 {
842         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
843         struct pfvf_start_queue_resp_tlv *resp;
844         struct vfpf_start_txq_tlv *req;
845         u16 qid = p_cid->rel.queue_id;
846         int rc;
847
848         /* clear mailbox and prep first tlv */
849         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
850
851         req->tx_qid = qid;
852
853         /* Tx */
854         req->pbl_addr = pbl_addr;
855         req->pbl_size = pbl_size;
856         req->hw_sb = p_cid->sb_igu_id;
857         req->sb_index = p_cid->sb_idx;
858
859         qed_vf_pf_add_qid(p_hwfn, p_cid);
860
861         /* add list termination tlv */
862         qed_add_tlv(p_hwfn, &p_iov->offset,
863                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
864
865         resp = &p_iov->pf2vf_reply->queue_start;
866         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
867         if (rc)
868                 goto exit;
869
870         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
871                 rc = -EINVAL;
872                 goto exit;
873         }
874
875         /* Modern PFs provide the actual offsets, while legacy
876          * provided only the queue id.
877          */
878         if (!p_iov->b_pre_fp_hsi) {
879                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
880         } else {
881                 u8 cid = p_iov->acquire_resp.resc.cid[qid];
882
883                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
884                                              qed_db_addr_vf(cid,
885                                                             DQ_DEMS_LEGACY);
886         }
887
888         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
889                    "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
890                    qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
891 exit:
892         qed_vf_pf_req_end(p_hwfn, rc);
893
894         return rc;
895 }
896
897 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
898 {
899         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
900         struct vfpf_stop_txqs_tlv *req;
901         struct pfvf_def_resp_tlv *resp;
902         int rc;
903
904         /* clear mailbox and prep first tlv */
905         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
906
907         req->tx_qid = p_cid->rel.queue_id;
908         req->num_txqs = 1;
909
910         qed_vf_pf_add_qid(p_hwfn, p_cid);
911
912         /* add list termination tlv */
913         qed_add_tlv(p_hwfn, &p_iov->offset,
914                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
915
916         resp = &p_iov->pf2vf_reply->default_resp;
917         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
918         if (rc)
919                 goto exit;
920
921         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
922                 rc = -EINVAL;
923                 goto exit;
924         }
925
926 exit:
927         qed_vf_pf_req_end(p_hwfn, rc);
928
929         return rc;
930 }
931
932 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
933                           u8 vport_id,
934                           u16 mtu,
935                           u8 inner_vlan_removal,
936                           enum qed_tpa_mode tpa_mode,
937                           u8 max_buffers_per_cqe, u8 only_untagged)
938 {
939         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
940         struct vfpf_vport_start_tlv *req;
941         struct pfvf_def_resp_tlv *resp;
942         int rc, i;
943
944         /* clear mailbox and prep first tlv */
945         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
946
947         req->mtu = mtu;
948         req->vport_id = vport_id;
949         req->inner_vlan_removal = inner_vlan_removal;
950         req->tpa_mode = tpa_mode;
951         req->max_buffers_per_cqe = max_buffers_per_cqe;
952         req->only_untagged = only_untagged;
953
954         /* status blocks */
955         for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
956                 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
957
958                 if (p_sb)
959                         req->sb_addr[i] = p_sb->sb_phys;
960         }
961
962         /* add list termination tlv */
963         qed_add_tlv(p_hwfn, &p_iov->offset,
964                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
965
966         resp = &p_iov->pf2vf_reply->default_resp;
967         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
968         if (rc)
969                 goto exit;
970
971         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
972                 rc = -EINVAL;
973                 goto exit;
974         }
975
976 exit:
977         qed_vf_pf_req_end(p_hwfn, rc);
978
979         return rc;
980 }
981
982 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
983 {
984         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
985         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
986         int rc;
987
988         /* clear mailbox and prep first tlv */
989         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
990                        sizeof(struct vfpf_first_tlv));
991
992         /* add list termination tlv */
993         qed_add_tlv(p_hwfn, &p_iov->offset,
994                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
995
996         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
997         if (rc)
998                 goto exit;
999
1000         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1001                 rc = -EINVAL;
1002                 goto exit;
1003         }
1004
1005 exit:
1006         qed_vf_pf_req_end(p_hwfn, rc);
1007
1008         return rc;
1009 }
1010
1011 static bool
1012 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1013                                   struct qed_sp_vport_update_params *p_data,
1014                                   u16 tlv)
1015 {
1016         switch (tlv) {
1017         case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1018                 return !!(p_data->update_vport_active_rx_flg ||
1019                           p_data->update_vport_active_tx_flg);
1020         case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1021                 return !!p_data->update_tx_switching_flg;
1022         case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1023                 return !!p_data->update_inner_vlan_removal_flg;
1024         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1025                 return !!p_data->update_accept_any_vlan_flg;
1026         case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1027                 return !!p_data->update_approx_mcast_flg;
1028         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1029                 return !!(p_data->accept_flags.update_rx_mode_config ||
1030                           p_data->accept_flags.update_tx_mode_config);
1031         case CHANNEL_TLV_VPORT_UPDATE_RSS:
1032                 return !!p_data->rss_params;
1033         case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1034                 return !!p_data->sge_tpa_params;
1035         default:
1036                 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1037                         tlv);
1038                 return false;
1039         }
1040 }
1041
1042 static void
1043 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1044                                   struct qed_sp_vport_update_params *p_data)
1045 {
1046         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1047         struct pfvf_def_resp_tlv *p_resp;
1048         u16 tlv;
1049
1050         for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1051              tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1052                 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1053                         continue;
1054
1055                 p_resp = (struct pfvf_def_resp_tlv *)
1056                          qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1057                                                   tlv);
1058                 if (p_resp && p_resp->hdr.status)
1059                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1060                                    "TLV[%d] Configuration %s\n",
1061                                    tlv,
1062                                    (p_resp && p_resp->hdr.status) ? "succeeded"
1063                                                                   : "failed");
1064         }
1065 }
1066
1067 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1068                            struct qed_sp_vport_update_params *p_params)
1069 {
1070         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1071         struct vfpf_vport_update_tlv *req;
1072         struct pfvf_def_resp_tlv *resp;
1073         u8 update_rx, update_tx;
1074         u32 resp_size = 0;
1075         u16 size, tlv;
1076         int rc;
1077
1078         resp = &p_iov->pf2vf_reply->default_resp;
1079         resp_size = sizeof(*resp);
1080
1081         update_rx = p_params->update_vport_active_rx_flg;
1082         update_tx = p_params->update_vport_active_tx_flg;
1083
1084         /* clear mailbox and prep header tlv */
1085         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1086
1087         /* Prepare extended tlvs */
1088         if (update_rx || update_tx) {
1089                 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1090
1091                 size = sizeof(struct vfpf_vport_update_activate_tlv);
1092                 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1093                                         CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1094                                         size);
1095                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1096
1097                 if (update_rx) {
1098                         p_act_tlv->update_rx = update_rx;
1099                         p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1100                 }
1101
1102                 if (update_tx) {
1103                         p_act_tlv->update_tx = update_tx;
1104                         p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1105                 }
1106         }
1107
1108         if (p_params->update_tx_switching_flg) {
1109                 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1110
1111                 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1112                 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1113                 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1114                                               tlv, size);
1115                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1116
1117                 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1118         }
1119
1120         if (p_params->update_approx_mcast_flg) {
1121                 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1122
1123                 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1124                 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1125                                           CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1126                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1127
1128                 memcpy(p_mcast_tlv->bins, p_params->bins,
1129                        sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1130         }
1131
1132         update_rx = p_params->accept_flags.update_rx_mode_config;
1133         update_tx = p_params->accept_flags.update_tx_mode_config;
1134
1135         if (update_rx || update_tx) {
1136                 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1137
1138                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1139                 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1140                 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1141                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1142
1143                 if (update_rx) {
1144                         p_accept_tlv->update_rx_mode = update_rx;
1145                         p_accept_tlv->rx_accept_filter =
1146                             p_params->accept_flags.rx_accept_filter;
1147                 }
1148
1149                 if (update_tx) {
1150                         p_accept_tlv->update_tx_mode = update_tx;
1151                         p_accept_tlv->tx_accept_filter =
1152                             p_params->accept_flags.tx_accept_filter;
1153                 }
1154         }
1155
1156         if (p_params->rss_params) {
1157                 struct qed_rss_params *rss_params = p_params->rss_params;
1158                 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1159                 int i, table_size;
1160
1161                 size = sizeof(struct vfpf_vport_update_rss_tlv);
1162                 p_rss_tlv = qed_add_tlv(p_hwfn,
1163                                         &p_iov->offset,
1164                                         CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1165                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1166
1167                 if (rss_params->update_rss_config)
1168                         p_rss_tlv->update_rss_flags |=
1169                             VFPF_UPDATE_RSS_CONFIG_FLAG;
1170                 if (rss_params->update_rss_capabilities)
1171                         p_rss_tlv->update_rss_flags |=
1172                             VFPF_UPDATE_RSS_CAPS_FLAG;
1173                 if (rss_params->update_rss_ind_table)
1174                         p_rss_tlv->update_rss_flags |=
1175                             VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1176                 if (rss_params->update_rss_key)
1177                         p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1178
1179                 p_rss_tlv->rss_enable = rss_params->rss_enable;
1180                 p_rss_tlv->rss_caps = rss_params->rss_caps;
1181                 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1182
1183                 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1184                                    1 << p_rss_tlv->rss_table_size_log);
1185                 for (i = 0; i < table_size; i++) {
1186                         struct qed_queue_cid *p_queue;
1187
1188                         p_queue = rss_params->rss_ind_table[i];
1189                         p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1190                 }
1191                 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1192                        sizeof(rss_params->rss_key));
1193         }
1194
1195         if (p_params->update_accept_any_vlan_flg) {
1196                 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1197
1198                 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1199                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1200                 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1201
1202                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1203                 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1204                 p_any_vlan_tlv->update_accept_any_vlan_flg =
1205                     p_params->update_accept_any_vlan_flg;
1206         }
1207
1208         /* add list termination tlv */
1209         qed_add_tlv(p_hwfn, &p_iov->offset,
1210                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1211
1212         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1213         if (rc)
1214                 goto exit;
1215
1216         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1217                 rc = -EINVAL;
1218                 goto exit;
1219         }
1220
1221         qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1222
1223 exit:
1224         qed_vf_pf_req_end(p_hwfn, rc);
1225
1226         return rc;
1227 }
1228
1229 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1230 {
1231         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1232         struct pfvf_def_resp_tlv *resp;
1233         struct vfpf_first_tlv *req;
1234         int rc;
1235
1236         /* clear mailbox and prep first tlv */
1237         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1238
1239         /* add list termination tlv */
1240         qed_add_tlv(p_hwfn, &p_iov->offset,
1241                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1242
1243         resp = &p_iov->pf2vf_reply->default_resp;
1244         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1245         if (rc)
1246                 goto exit;
1247
1248         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1249                 rc = -EAGAIN;
1250                 goto exit;
1251         }
1252
1253         p_hwfn->b_int_enabled = 0;
1254
1255 exit:
1256         qed_vf_pf_req_end(p_hwfn, rc);
1257
1258         return rc;
1259 }
1260
1261 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1262                             struct qed_filter_mcast *p_filter_cmd)
1263 {
1264         struct qed_sp_vport_update_params sp_params;
1265         int i;
1266
1267         memset(&sp_params, 0, sizeof(sp_params));
1268         sp_params.update_approx_mcast_flg = 1;
1269
1270         if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1271                 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1272                         u32 bit;
1273
1274                         bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1275                         sp_params.bins[bit / 32] |= 1 << (bit % 32);
1276                 }
1277         }
1278
1279         qed_vf_pf_vport_update(p_hwfn, &sp_params);
1280 }
1281
1282 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1283                            struct qed_filter_ucast *p_ucast)
1284 {
1285         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1286         struct vfpf_ucast_filter_tlv *req;
1287         struct pfvf_def_resp_tlv *resp;
1288         int rc;
1289
1290         /* clear mailbox and prep first tlv */
1291         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1292         req->opcode = (u8) p_ucast->opcode;
1293         req->type = (u8) p_ucast->type;
1294         memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1295         req->vlan = p_ucast->vlan;
1296
1297         /* add list termination tlv */
1298         qed_add_tlv(p_hwfn, &p_iov->offset,
1299                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1300
1301         resp = &p_iov->pf2vf_reply->default_resp;
1302         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1303         if (rc)
1304                 goto exit;
1305
1306         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1307                 rc = -EAGAIN;
1308                 goto exit;
1309         }
1310
1311 exit:
1312         qed_vf_pf_req_end(p_hwfn, rc);
1313
1314         return rc;
1315 }
1316
1317 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1318 {
1319         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1320         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1321         int rc;
1322
1323         /* clear mailbox and prep first tlv */
1324         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1325                        sizeof(struct vfpf_first_tlv));
1326
1327         /* add list termination tlv */
1328         qed_add_tlv(p_hwfn, &p_iov->offset,
1329                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1330
1331         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1332         if (rc)
1333                 goto exit;
1334
1335         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1336                 rc = -EINVAL;
1337                 goto exit;
1338         }
1339
1340 exit:
1341         qed_vf_pf_req_end(p_hwfn, rc);
1342
1343         return rc;
1344 }
1345
1346 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1347                            u16 *p_coal, struct qed_queue_cid *p_cid)
1348 {
1349         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1350         struct pfvf_read_coal_resp_tlv *resp;
1351         struct vfpf_read_coal_req_tlv *req;
1352         int rc;
1353
1354         /* clear mailbox and prep header tlv */
1355         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1356         req->qid = p_cid->rel.queue_id;
1357         req->is_rx = p_cid->b_is_rx ? 1 : 0;
1358
1359         qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1360                     sizeof(struct channel_list_end_tlv));
1361         resp = &p_iov->pf2vf_reply->read_coal_resp;
1362
1363         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1364         if (rc)
1365                 goto exit;
1366
1367         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1368                 goto exit;
1369
1370         *p_coal = resp->coal;
1371 exit:
1372         qed_vf_pf_req_end(p_hwfn, rc);
1373
1374         return rc;
1375 }
1376
1377 int
1378 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1379                               u8 *p_mac)
1380 {
1381         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1382         struct vfpf_bulletin_update_mac_tlv *p_req;
1383         struct pfvf_def_resp_tlv *p_resp;
1384         int rc;
1385
1386         if (!p_mac)
1387                 return -EINVAL;
1388
1389         /* clear mailbox and prep header tlv */
1390         p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1391                                sizeof(*p_req));
1392         ether_addr_copy(p_req->mac, p_mac);
1393         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1394                    "Requesting bulletin update for MAC[%pM]\n", p_mac);
1395
1396         /* add list termination tlv */
1397         qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1398                     sizeof(struct channel_list_end_tlv));
1399
1400         p_resp = &p_iov->pf2vf_reply->default_resp;
1401         rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1402         qed_vf_pf_req_end(p_hwfn, rc);
1403         return rc;
1404 }
1405
1406 int
1407 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1408                        u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1409 {
1410         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1411         struct vfpf_update_coalesce *req;
1412         struct pfvf_def_resp_tlv *resp;
1413         int rc;
1414
1415         /* clear mailbox and prep header tlv */
1416         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1417
1418         req->rx_coal = rx_coal;
1419         req->tx_coal = tx_coal;
1420         req->qid = p_cid->rel.queue_id;
1421
1422         DP_VERBOSE(p_hwfn,
1423                    QED_MSG_IOV,
1424                    "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1425                    rx_coal, tx_coal, req->qid);
1426
1427         /* add list termination tlv */
1428         qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1429                     sizeof(struct channel_list_end_tlv));
1430
1431         resp = &p_iov->pf2vf_reply->default_resp;
1432         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1433         if (rc)
1434                 goto exit;
1435
1436         if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1437                 goto exit;
1438
1439         if (rx_coal)
1440                 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1441
1442         if (tx_coal)
1443                 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1444
1445 exit:
1446         qed_vf_pf_req_end(p_hwfn, rc);
1447         return rc;
1448 }
1449
1450 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1451 {
1452         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1453
1454         if (!p_iov) {
1455                 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1456                 return 0;
1457         }
1458
1459         return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1460 }
1461
1462 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1463                         u16 sb_id, struct qed_sb_info *p_sb)
1464 {
1465         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1466
1467         if (!p_iov) {
1468                 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1469                 return;
1470         }
1471
1472         if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1473                 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1474                 return;
1475         }
1476
1477         p_iov->sbs_info[sb_id] = p_sb;
1478 }
1479
1480 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1481 {
1482         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1483         struct qed_bulletin_content shadow;
1484         u32 crc, crc_size;
1485
1486         crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1487         *p_change = 0;
1488
1489         /* Need to guarantee PF is not in the middle of writing it */
1490         memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1491
1492         /* If version did not update, no need to do anything */
1493         if (shadow.version == p_iov->bulletin_shadow.version)
1494                 return 0;
1495
1496         /* Verify the bulletin we see is valid */
1497         crc = crc32(0, (u8 *)&shadow + crc_size,
1498                     p_iov->bulletin.size - crc_size);
1499         if (crc != shadow.crc)
1500                 return -EAGAIN;
1501
1502         /* Set the shadow bulletin and process it */
1503         memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1504
1505         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1506                    "Read a bulletin update %08x\n", shadow.version);
1507
1508         *p_change = 1;
1509
1510         return 0;
1511 }
1512
1513 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1514                               struct qed_mcp_link_params *p_params,
1515                               struct qed_bulletin_content *p_bulletin)
1516 {
1517         memset(p_params, 0, sizeof(*p_params));
1518
1519         p_params->speed.autoneg = p_bulletin->req_autoneg;
1520         p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1521         p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1522         p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1523         p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1524         p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1525         p_params->loopback_mode = p_bulletin->req_loopback;
1526 }
1527
1528 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1529                             struct qed_mcp_link_params *params)
1530 {
1531         __qed_vf_get_link_params(p_hwfn, params,
1532                                  &(p_hwfn->vf_iov_info->bulletin_shadow));
1533 }
1534
1535 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1536                              struct qed_mcp_link_state *p_link,
1537                              struct qed_bulletin_content *p_bulletin)
1538 {
1539         memset(p_link, 0, sizeof(*p_link));
1540
1541         p_link->link_up = p_bulletin->link_up;
1542         p_link->speed = p_bulletin->speed;
1543         p_link->full_duplex = p_bulletin->full_duplex;
1544         p_link->an = p_bulletin->autoneg;
1545         p_link->an_complete = p_bulletin->autoneg_complete;
1546         p_link->parallel_detection = p_bulletin->parallel_detection;
1547         p_link->pfc_enabled = p_bulletin->pfc_enabled;
1548         p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1549         p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1550         p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1551         p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1552         p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1553 }
1554
1555 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1556                            struct qed_mcp_link_state *link)
1557 {
1558         __qed_vf_get_link_state(p_hwfn, link,
1559                                 &(p_hwfn->vf_iov_info->bulletin_shadow));
1560 }
1561
1562 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1563                             struct qed_mcp_link_capabilities *p_link_caps,
1564                             struct qed_bulletin_content *p_bulletin)
1565 {
1566         memset(p_link_caps, 0, sizeof(*p_link_caps));
1567         p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1568 }
1569
1570 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1571                           struct qed_mcp_link_capabilities *p_link_caps)
1572 {
1573         __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1574                                &(p_hwfn->vf_iov_info->bulletin_shadow));
1575 }
1576
1577 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1578 {
1579         *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1580 }
1581
1582 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1583 {
1584         *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1585 }
1586
1587 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1588 {
1589         *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1590 }
1591
1592 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1593 {
1594         memcpy(port_mac,
1595                p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1596 }
1597
1598 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1599 {
1600         struct qed_vf_iov *p_vf;
1601
1602         p_vf = p_hwfn->vf_iov_info;
1603         *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1604 }
1605
1606 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1607 {
1608         struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1609
1610         *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1611 }
1612
1613 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1614 {
1615         struct qed_bulletin_content *bulletin;
1616
1617         bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1618         if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1619                 return true;
1620
1621         /* Forbid VF from changing a MAC enforced by PF */
1622         if (ether_addr_equal(bulletin->mac, mac))
1623                 return false;
1624
1625         return false;
1626 }
1627
1628 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1629                                            u8 *dst_mac, u8 *p_is_forced)
1630 {
1631         struct qed_bulletin_content *bulletin;
1632
1633         bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1634
1635         if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1636                 if (p_is_forced)
1637                         *p_is_forced = 1;
1638         } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1639                 if (p_is_forced)
1640                         *p_is_forced = 0;
1641         } else {
1642                 return false;
1643         }
1644
1645         ether_addr_copy(dst_mac, bulletin->mac);
1646
1647         return true;
1648 }
1649
1650 static void
1651 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1652                               u16 *p_vxlan_port, u16 *p_geneve_port)
1653 {
1654         struct qed_bulletin_content *p_bulletin;
1655
1656         p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1657
1658         *p_vxlan_port = p_bulletin->vxlan_udp_port;
1659         *p_geneve_port = p_bulletin->geneve_udp_port;
1660 }
1661
1662 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1663                            u16 *fw_major, u16 *fw_minor,
1664                            u16 *fw_rev, u16 *fw_eng)
1665 {
1666         struct pf_vf_pfdev_info *info;
1667
1668         info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1669
1670         *fw_major = info->fw_major;
1671         *fw_minor = info->fw_minor;
1672         *fw_rev = info->fw_rev;
1673         *fw_eng = info->fw_eng;
1674 }
1675
1676 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1677 {
1678         struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1679         u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1680         void *cookie = hwfn->cdev->ops_cookie;
1681         u16 vxlan_port, geneve_port;
1682
1683         qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1684         is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1685                                                       &is_mac_forced);
1686         if (is_mac_exist && cookie)
1687                 ops->force_mac(cookie, mac, !!is_mac_forced);
1688
1689         ops->ports_update(cookie, vxlan_port, geneve_port);
1690
1691         /* Always update link configuration according to bulletin */
1692         qed_link_update(hwfn);
1693 }
1694
1695 void qed_iov_vf_task(struct work_struct *work)
1696 {
1697         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1698                                              iov_task.work);
1699         u8 change = 0;
1700
1701         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1702                 return;
1703
1704         /* Handle bulletin board changes */
1705         qed_vf_read_bulletin(hwfn, &change);
1706         if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1707                                &hwfn->iov_task_flags))
1708                 change = 1;
1709         if (change)
1710                 qed_handle_bulletin_change(hwfn);
1711
1712         /* As VF is polling bulletin board, need to constantly re-schedule */
1713         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1714 }