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