drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 // Copyright (c) 2016-2017 Hisilicon Limited.
   3
   4 #include "hclge_main.h"
   5 #include "hclge_mbx.h"
   6 #include "hnae3.h"
   7
   8 /* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF
   9  * receives a mailbox message from VF.
  10  * @vport: pointer to struct hclge_vport
  11  * @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox
  12  *                message
  13  * @resp_status: indicate to VF whether its request success(0) or failed.
  14  */
  15 static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
  16                                 struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req,
  17                                 int resp_status,
  18                                 u8 *resp_data, u16 resp_data_len)
  19 {
  20         struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
  21         struct hclge_dev *hdev = vport->back;
  22         enum hclge_cmd_status status;
  23         struct hclge_desc desc;
  24
  25         resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
  26
  27         if (resp_data_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
  28                 dev_err(&hdev->pdev->dev,
  29                         "PF fail to gen resp to VF len %d exceeds max len %d\n",
  30                         resp_data_len,
  31                         HCLGE_MBX_MAX_RESP_DATA_SIZE);
  32         }
  33
  34         hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
  35
  36         resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
  37         resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
  38
  39         resp_pf_to_vf->msg[0] = HCLGE_MBX_PF_VF_RESP;
  40         resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0];
  41         resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1];
  42         resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1;
  43
  44         if (resp_data && resp_data_len > 0)
  45                 memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len);
  46
  47         status = hclge_cmd_send(&hdev->hw, &desc, 1);
  48         if (status)
  49                 dev_err(&hdev->pdev->dev,
  50                         "PF failed(=%d) to send response to VF\n", status);
  51
  52         return status;
  53 }
  54
  55 static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
  56                               u16 mbx_opcode, u8 dest_vfid)
  57 {
  58         struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
  59         struct hclge_dev *hdev = vport->back;
  60         enum hclge_cmd_status status;
  61         struct hclge_desc desc;
  62
  63         resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
  64
  65         hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
  66
  67         resp_pf_to_vf->dest_vfid = dest_vfid;
  68         resp_pf_to_vf->msg_len = msg_len;
  69         resp_pf_to_vf->msg[0] = mbx_opcode;
  70
  71         memcpy(&resp_pf_to_vf->msg[1], msg, msg_len);
  72
  73         status = hclge_cmd_send(&hdev->hw, &desc, 1);
  74         if (status)
  75                 dev_err(&hdev->pdev->dev,
  76                         "PF failed(=%d) to send mailbox message to VF\n",
  77                         status);
  78
  79         return status;
  80 }
  81
  82 int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport)
  83 {
  84         struct hclge_dev *hdev = vport->back;
  85         enum hnae3_reset_type reset_type;
  86         u8 msg_data[2];
  87         u8 dest_vfid;
  88
  89         dest_vfid = (u8)vport->vport_id;
  90
  91         if (hdev->reset_type == HNAE3_FUNC_RESET)
  92                 reset_type = HNAE3_VF_PF_FUNC_RESET;
  93         else if (hdev->reset_type == HNAE3_FLR_RESET)
  94                 reset_type = HNAE3_VF_FULL_RESET;
  95         else
  96                 return -EINVAL;
  97
  98         memcpy(&msg_data[0], &reset_type, sizeof(u16));
  99
 100         /* send this requested info to VF */
 101         return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
 102                                   HCLGE_MBX_ASSERTING_RESET, dest_vfid);
 103 }
 104
 105 static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
 106 {
 107         struct hnae3_ring_chain_node *chain_tmp, *chain;
 108
 109         chain = head->next;
 110
 111         while (chain) {
 112                 chain_tmp = chain->next;
 113                 kzfree(chain);
 114                 chain = chain_tmp;
 115         }
 116 }
 117
 118 /* hclge_get_ring_chain_from_mbx: get ring type & tqp id & int_gl idx
 119  * from mailbox message
 120  * msg[0]: opcode
 121  * msg[1]: <not relevant to this function>
 122  * msg[2]: ring_num
 123  * msg[3]: first ring type (TX|RX)
 124  * msg[4]: first tqp id
 125  * msg[5]: first int_gl idx
 126  * msg[6] ~ msg[14]: other ring type, tqp id and int_gl idx
 127  */
 128 static int hclge_get_ring_chain_from_mbx(
 129                         struct hclge_mbx_vf_to_pf_cmd *req,
 130                         struct hnae3_ring_chain_node *ring_chain,
 131                         struct hclge_vport *vport)
 132 {
 133         struct hnae3_ring_chain_node *cur_chain, *new_chain;
 134         int ring_num;
 135         int i;
 136
 137         ring_num = req->msg[2];
 138
 139         if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM -
 140                 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) /
 141                 HCLGE_MBX_RING_NODE_VARIABLE_NUM))
 142                 return -ENOMEM;
 143
 144         hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]);
 145         ring_chain->tqp_index =
 146                         hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]);
 147         hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
 148                         HNAE3_RING_GL_IDX_S,
 149                         req->msg[5]);
 150
 151         cur_chain = ring_chain;
 152
 153         for (i = 1; i < ring_num; i++) {
 154                 new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
 155                 if (!new_chain)
 156                         goto err;
 157
 158                 hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
 159                               req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
 160                               HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]);
 161
 162                 new_chain->tqp_index =
 163                 hclge_get_queue_id(vport->nic.kinfo.tqp
 164                         [req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
 165                         HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]);
 166
 167                 hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
 168                                 HNAE3_RING_GL_IDX_S,
 169                                 req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
 170                                 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]);
 171
 172                 cur_chain->next = new_chain;
 173                 cur_chain = new_chain;
 174         }
 175
 176         return 0;
 177 err:
 178         hclge_free_vector_ring_chain(ring_chain);
 179         return -ENOMEM;
 180 }
 181
 182 static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
 183                                              struct hclge_mbx_vf_to_pf_cmd *req)
 184 {
 185         struct hnae3_ring_chain_node ring_chain;
 186         int vector_id = req->msg[1];
 187         int ret;
 188
 189         memset(&ring_chain, 0, sizeof(ring_chain));
 190         ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
 191         if (ret)
 192                 return ret;
 193
 194         ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
 195         if (ret)
 196                 return ret;
 197
 198         hclge_free_vector_ring_chain(&ring_chain);
 199
 200         return 0;
 201 }
 202
 203 static int hclge_set_vf_promisc_mode(struct hclge_vport *vport,
 204                                      struct hclge_mbx_vf_to_pf_cmd *req)
 205 {
 206         bool en_bc = req->msg[1] ? true : false;
 207         struct hclge_promisc_param param;
 208
 209         /* vf is not allowed to enable unicast/multicast broadcast */
 210         hclge_promisc_param_init(&param, false, false, en_bc, vport->vport_id);
 211         return hclge_cmd_set_promisc_mode(vport->back, &param);
 212 }
 213
 214 static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
 215                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 216                                     bool gen_resp)
 217 {
 218         const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
 219         struct hclge_dev *hdev = vport->back;
 220         int status;
 221
 222         if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
 223                 const u8 *old_addr = (const u8 *)(&mbx_req->msg[8]);
 224
 225                 hclge_rm_uc_addr_common(vport, old_addr);
 226                 status = hclge_add_uc_addr_common(vport, mac_addr);
 227                 if (status) {
 228                         hclge_add_uc_addr_common(vport, old_addr);
 229                 } else {
 230                         hclge_rm_vport_mac_table(vport, mac_addr,
 231                                                  false, HCLGE_MAC_ADDR_UC);
 232                         hclge_add_vport_mac_table(vport, mac_addr,
 233                                                   HCLGE_MAC_ADDR_UC);
 234                 }
 235         } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) {
 236                 status = hclge_add_uc_addr_common(vport, mac_addr);
 237                 if (!status)
 238                         hclge_add_vport_mac_table(vport, mac_addr,
 239                                                   HCLGE_MAC_ADDR_UC);
 240         } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
 241                 status = hclge_rm_uc_addr_common(vport, mac_addr);
 242                 if (!status)
 243                         hclge_rm_vport_mac_table(vport, mac_addr,
 244                                                  false, HCLGE_MAC_ADDR_UC);
 245         } else {
 246                 dev_err(&hdev->pdev->dev,
 247                         "failed to set unicast mac addr, unknown subcode %d\n",
 248                         mbx_req->msg[1]);
 249                 return -EIO;
 250         }
 251
 252         if (gen_resp)
 253                 hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
 254
 255         return 0;
 256 }
 257
 258 static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
 259                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 260                                     bool gen_resp)
 261 {
 262         const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
 263         struct hclge_dev *hdev = vport->back;
 264         u8 resp_len = 0;
 265         u8 resp_data;
 266         int status;
 267
 268         if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) {
 269                 status = hclge_add_mc_addr_common(vport, mac_addr);
 270                 if (!status)
 271                         hclge_add_vport_mac_table(vport, mac_addr,
 272                                                   HCLGE_MAC_ADDR_MC);
 273         } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
 274                 status = hclge_rm_mc_addr_common(vport, mac_addr);
 275                 if (!status)
 276                         hclge_rm_vport_mac_table(vport, mac_addr,
 277                                                  false, HCLGE_MAC_ADDR_MC);
 278         } else {
 279                 dev_err(&hdev->pdev->dev,
 280                         "failed to set mcast mac addr, unknown subcode %d\n",
 281                         mbx_req->msg[1]);
 282                 return -EIO;
 283         }
 284
 285         if (gen_resp)
 286                 hclge_gen_resp_to_vf(vport, mbx_req, status,
 287                                      &resp_data, resp_len);
 288
 289         return 0;
 290 }
 291
 292 static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
 293                                  struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 294                                  bool gen_resp)
 295 {
 296         int status = 0;
 297
 298         if (mbx_req->msg[1] == HCLGE_MBX_VLAN_FILTER) {
 299                 struct hnae3_handle *handle = &vport->nic;
 300                 u16 vlan, proto;
 301                 bool is_kill;
 302
 303                 is_kill = !!mbx_req->msg[2];
 304                 memcpy(&vlan, &mbx_req->msg[3], sizeof(vlan));
 305                 memcpy(&proto, &mbx_req->msg[5], sizeof(proto));
 306                 status = hclge_set_vlan_filter(handle, cpu_to_be16(proto),
 307                                                vlan, is_kill);
 308         } else if (mbx_req->msg[1] == HCLGE_MBX_VLAN_RX_OFF_CFG) {
 309                 struct hnae3_handle *handle = &vport->nic;
 310                 bool en = mbx_req->msg[2] ? true : false;
 311
 312                 status = hclge_en_hw_strip_rxvtag(handle, en);
 313         }
 314
 315         if (gen_resp)
 316                 status = hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
 317
 318         return status;
 319 }
 320
 321 static int hclge_set_vf_alive(struct hclge_vport *vport,
 322                               struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 323                               bool gen_resp)
 324 {
 325         bool alive = !!mbx_req->msg[2];
 326         int ret = 0;
 327
 328         if (alive)
 329                 ret = hclge_vport_start(vport);
 330         else
 331                 hclge_vport_stop(vport);
 332
 333         return ret;
 334 }
 335
 336 static int hclge_get_vf_tcinfo(struct hclge_vport *vport,
 337                                struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 338                                bool gen_resp)
 339 {
 340         struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
 341         u8 vf_tc_map = 0;
 342         int i, ret;
 343
 344         for (i = 0; i < kinfo->num_tc; i++)
 345                 vf_tc_map |= BIT(i);
 346
 347         ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &vf_tc_map,
 348                                    sizeof(u8));
 349
 350         return ret;
 351 }
 352
 353 static int hclge_get_vf_queue_info(struct hclge_vport *vport,
 354                                    struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 355                                    bool gen_resp)
 356 {
 357 #define HCLGE_TQPS_RSS_INFO_LEN         6
 358         u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN];
 359         struct hclge_dev *hdev = vport->back;
 360
 361         /* get the queue related info */
 362         memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16));
 363         memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16));
 364         memcpy(&resp_data[4], &hdev->rx_buf_len, sizeof(u16));
 365
 366         return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
 367                                     HCLGE_TQPS_RSS_INFO_LEN);
 368 }
 369
 370 static int hclge_get_vf_queue_depth(struct hclge_vport *vport,
 371                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 372                                     bool gen_resp)
 373 {
 374 #define HCLGE_TQPS_DEPTH_INFO_LEN       4
 375         u8 resp_data[HCLGE_TQPS_DEPTH_INFO_LEN];
 376         struct hclge_dev *hdev = vport->back;
 377
 378         /* get the queue depth info */
 379         memcpy(&resp_data[0], &hdev->num_tx_desc, sizeof(u16));
 380         memcpy(&resp_data[2], &hdev->num_rx_desc, sizeof(u16));
 381         return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
 382                                     HCLGE_TQPS_DEPTH_INFO_LEN);
 383 }
 384
 385 static int hclge_get_vf_media_type(struct hclge_vport *vport,
 386                                    struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 387 {
 388         struct hclge_dev *hdev = vport->back;
 389         u8 resp_data;
 390
 391         resp_data = hdev->hw.mac.media_type;
 392         return hclge_gen_resp_to_vf(vport, mbx_req, 0, &resp_data,
 393                                     sizeof(resp_data));
 394 }
 395
 396 static int hclge_get_link_info(struct hclge_vport *vport,
 397                                struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 398 {
 399         struct hclge_dev *hdev = vport->back;
 400         u16 link_status;
 401         u8 msg_data[8];
 402         u8 dest_vfid;
 403         u16 duplex;
 404
 405         /* mac.link can only be 0 or 1 */
 406         link_status = (u16)hdev->hw.mac.link;
 407         duplex = hdev->hw.mac.duplex;
 408         memcpy(&msg_data[0], &link_status, sizeof(u16));
 409         memcpy(&msg_data[2], &hdev->hw.mac.speed, sizeof(u32));
 410         memcpy(&msg_data[6], &duplex, sizeof(u16));
 411         dest_vfid = mbx_req->mbx_src_vfid;
 412
 413         /* send this requested info to VF */
 414         return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
 415                                   HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid);
 416 }
 417
 418 static void hclge_get_link_mode(struct hclge_vport *vport,
 419                                 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 420 {
 421 #define HCLGE_SUPPORTED   1
 422         struct hclge_dev *hdev = vport->back;
 423         unsigned long advertising;
 424         unsigned long supported;
 425         unsigned long send_data;
 426         u8 msg_data[10];
 427         u8 dest_vfid;
 428
 429         advertising = hdev->hw.mac.advertising[0];
 430         supported = hdev->hw.mac.supported[0];
 431         dest_vfid = mbx_req->mbx_src_vfid;
 432         msg_data[0] = mbx_req->msg[2];
 433
 434         send_data = msg_data[0] == HCLGE_SUPPORTED ? supported : advertising;
 435
 436         memcpy(&msg_data[2], &send_data, sizeof(unsigned long));
 437         hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
 438                            HCLGE_MBX_LINK_STAT_MODE, dest_vfid);
 439 }
 440
 441 static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
 442                                      struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 443 {
 444         u16 queue_id;
 445
 446         memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
 447
 448         hclge_reset_vf_queue(vport, queue_id);
 449
 450         /* send response msg to VF after queue reset complete*/
 451         hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0);
 452 }
 453
 454 static void hclge_reset_vf(struct hclge_vport *vport,
 455                            struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 456 {
 457         struct hclge_dev *hdev = vport->back;
 458         int ret;
 459
 460         dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %d!",
 461                  vport->vport_id);
 462
 463         ret = hclge_func_reset_cmd(hdev, vport->vport_id);
 464         hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0);
 465 }
 466
 467 static void hclge_vf_keep_alive(struct hclge_vport *vport,
 468                                 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 469 {
 470         vport->last_active_jiffies = jiffies;
 471 }
 472
 473 static int hclge_set_vf_mtu(struct hclge_vport *vport,
 474                             struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 475 {
 476         int ret;
 477         u32 mtu;
 478
 479         memcpy(&mtu, &mbx_req->msg[2], sizeof(mtu));
 480         ret = hclge_set_vport_mtu(vport, mtu);
 481
 482         return hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0);
 483 }
 484
 485 static int hclge_get_queue_id_in_pf(struct hclge_vport *vport,
 486                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 487 {
 488         u16 queue_id, qid_in_pf;
 489         u8 resp_data[2];
 490
 491         memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
 492         qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id);
 493         memcpy(resp_data, &qid_in_pf, sizeof(qid_in_pf));
 494
 495         return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 2);
 496 }
 497
 498 static int hclge_get_rss_key(struct hclge_vport *vport,
 499                              struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 500 {
 501 #define HCLGE_RSS_MBX_RESP_LEN  8
 502         u8 resp_data[HCLGE_RSS_MBX_RESP_LEN];
 503         struct hclge_dev *hdev = vport->back;
 504         u8 index;
 505
 506         index = mbx_req->msg[2];
 507
 508         memcpy(&resp_data[0],
 509                &hdev->vport[0].rss_hash_key[index * HCLGE_RSS_MBX_RESP_LEN],
 510                HCLGE_RSS_MBX_RESP_LEN);
 511
 512         return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
 513                                     HCLGE_RSS_MBX_RESP_LEN);
 514 }
 515
 516 static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
 517 {
 518         u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG);
 519
 520         return tail == hw->cmq.crq.next_to_use;
 521 }
 522
 523 void hclge_mbx_handler(struct hclge_dev *hdev)
 524 {
 525         struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
 526         struct hclge_mbx_vf_to_pf_cmd *req;
 527         struct hclge_vport *vport;
 528         struct hclge_desc *desc;
 529         int ret, flag;
 530
 531         /* handle all the mailbox requests in the queue */
 532         while (!hclge_cmd_crq_empty(&hdev->hw)) {
 533                 if (test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state)) {
 534                         dev_warn(&hdev->pdev->dev,
 535                                  "command queue needs re-initializing\n");
 536                         return;
 537                 }
 538
 539                 desc = &crq->desc[crq->next_to_use];
 540                 req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
 541
 542                 flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
 543                 if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) {
 544                         dev_warn(&hdev->pdev->dev,
 545                                  "dropped invalid mailbox message, code = %d\n",
 546                                  req->msg[0]);
 547
 548                         /* dropping/not processing this invalid message */
 549                         crq->desc[crq->next_to_use].flag = 0;
 550                         hclge_mbx_ring_ptr_move_crq(crq);
 551                         continue;
 552                 }
 553
 554                 vport = &hdev->vport[req->mbx_src_vfid];
 555
 556                 switch (req->msg[0]) {
 557                 case HCLGE_MBX_MAP_RING_TO_VECTOR:
 558                         ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
 559                                                                 req);
 560                         break;
 561                 case HCLGE_MBX_UNMAP_RING_TO_VECTOR:
 562                         ret = hclge_map_unmap_ring_to_vf_vector(vport, false,
 563                                                                 req);
 564                         break;
 565                 case HCLGE_MBX_SET_PROMISC_MODE:
 566                         ret = hclge_set_vf_promisc_mode(vport, req);
 567                         if (ret)
 568                                 dev_err(&hdev->pdev->dev,
 569                                         "PF fail(%d) to set VF promisc mode\n",
 570                                         ret);
 571                         break;
 572                 case HCLGE_MBX_SET_UNICAST:
 573                         ret = hclge_set_vf_uc_mac_addr(vport, req, true);
 574                         if (ret)
 575                                 dev_err(&hdev->pdev->dev,
 576                                         "PF fail(%d) to set VF UC MAC Addr\n",
 577                                         ret);
 578                         break;
 579                 case HCLGE_MBX_SET_MULTICAST:
 580                         ret = hclge_set_vf_mc_mac_addr(vport, req, false);
 581                         if (ret)
 582                                 dev_err(&hdev->pdev->dev,
 583                                         "PF fail(%d) to set VF MC MAC Addr\n",
 584                                         ret);
 585                         break;
 586                 case HCLGE_MBX_SET_VLAN:
 587                         ret = hclge_set_vf_vlan_cfg(vport, req, false);
 588                         if (ret)
 589                                 dev_err(&hdev->pdev->dev,
 590                                         "PF failed(%d) to config VF's VLAN\n",
 591                                         ret);
 592                         break;
 593                 case HCLGE_MBX_SET_ALIVE:
 594                         ret = hclge_set_vf_alive(vport, req, false);
 595                         if (ret)
 596                                 dev_err(&hdev->pdev->dev,
 597                                         "PF failed(%d) to set VF's ALIVE\n",
 598                                         ret);
 599                         break;
 600                 case HCLGE_MBX_GET_QINFO:
 601                         ret = hclge_get_vf_queue_info(vport, req, true);
 602                         if (ret)
 603                                 dev_err(&hdev->pdev->dev,
 604                                         "PF failed(%d) to get Q info for VF\n",
 605                                         ret);
 606                         break;
 607                 case HCLGE_MBX_GET_QDEPTH:
 608                         ret = hclge_get_vf_queue_depth(vport, req, true);
 609                         if (ret)
 610                                 dev_err(&hdev->pdev->dev,
 611                                         "PF failed(%d) to get Q depth for VF\n",
 612                                         ret);
 613                         break;
 614
 615                 case HCLGE_MBX_GET_TCINFO:
 616                         ret = hclge_get_vf_tcinfo(vport, req, true);
 617                         if (ret)
 618                                 dev_err(&hdev->pdev->dev,
 619                                         "PF failed(%d) to get TC info for VF\n",
 620                                         ret);
 621                         break;
 622                 case HCLGE_MBX_GET_LINK_STATUS:
 623                         ret = hclge_get_link_info(vport, req);
 624                         if (ret)
 625                                 dev_err(&hdev->pdev->dev,
 626                                         "PF fail(%d) to get link stat for VF\n",
 627                                         ret);
 628                         break;
 629                 case HCLGE_MBX_QUEUE_RESET:
 630                         hclge_mbx_reset_vf_queue(vport, req);
 631                         break;
 632                 case HCLGE_MBX_RESET:
 633                         hclge_reset_vf(vport, req);
 634                         break;
 635                 case HCLGE_MBX_KEEP_ALIVE:
 636                         hclge_vf_keep_alive(vport, req);
 637                         break;
 638                 case HCLGE_MBX_SET_MTU:
 639                         ret = hclge_set_vf_mtu(vport, req);
 640                         if (ret)
 641                                 dev_err(&hdev->pdev->dev,
 642                                         "VF fail(%d) to set mtu\n", ret);
 643                         break;
 644                 case HCLGE_MBX_GET_QID_IN_PF:
 645                         ret = hclge_get_queue_id_in_pf(vport, req);
 646                         if (ret)
 647                                 dev_err(&hdev->pdev->dev,
 648                                         "PF failed(%d) to get qid for VF\n",
 649                                         ret);
 650                         break;
 651                 case HCLGE_MBX_GET_RSS_KEY:
 652                         ret = hclge_get_rss_key(vport, req);
 653                         if (ret)
 654                                 dev_err(&hdev->pdev->dev,
 655                                         "PF fail(%d) to get rss key for VF\n",
 656                                         ret);
 657                         break;
 658                 case HCLGE_MBX_GET_LINK_MODE:
 659                         hclge_get_link_mode(vport, req);
 660                         break;
 661                 case HCLGE_MBX_GET_VF_FLR_STATUS:
 662                         mutex_lock(&hdev->vport_cfg_mutex);
 663                         hclge_rm_vport_all_mac_table(vport, true,
 664                                                      HCLGE_MAC_ADDR_UC);
 665                         hclge_rm_vport_all_mac_table(vport, true,
 666                                                      HCLGE_MAC_ADDR_MC);
 667                         hclge_rm_vport_all_vlan_table(vport, true);
 668                         mutex_unlock(&hdev->vport_cfg_mutex);
 669                         break;
 670                 case HCLGE_MBX_GET_MEDIA_TYPE:
 671                         ret = hclge_get_vf_media_type(vport, req);
 672                         if (ret)
 673                                 dev_err(&hdev->pdev->dev,
 674                                         "PF fail(%d) to media type for VF\n",
 675                                         ret);
 676                         break;
 677                 default:
 678                         dev_err(&hdev->pdev->dev,
 679                                 "un-supported mailbox message, code = %d\n",
 680                                 req->msg[0]);
 681                         break;
 682                 }
 683                 crq->desc[crq->next_to_use].flag = 0;
 684                 hclge_mbx_ring_ptr_move_crq(crq);
 685         }
 686
 687         /* Write back CMDQ_RQ header pointer, M7 need this pointer */
 688         hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use);
 689 }