drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c) 2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #include "qlcnic_sriov.h"
   9 #include "qlcnic.h"
  10 #include <linux/types.h>
  11
  12 #define QLCNIC_SRIOV_VF_MAX_MAC 1
  13 #define QLC_VF_MIN_TX_RATE      100
  14 #define QLC_VF_MAX_TX_RATE      9999
  15
  16 static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8);
  17
  18 struct qlcnic_sriov_cmd_handler {
  19         int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
  20 };
  21
  22 struct qlcnic_sriov_fw_cmd_handler {
  23         u32 cmd;
  24         int (*fn) (struct qlcnic_bc_trans *, struct qlcnic_cmd_args *);
  25 };
  26
  27 static int qlcnic_sriov_pf_set_vport_info(struct qlcnic_adapter *adapter,
  28                                           struct qlcnic_info *npar_info,
  29                                           u16 vport_id)
  30 {
  31         struct qlcnic_cmd_args cmd;
  32         int err;
  33
  34         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO))
  35                 return -ENOMEM;
  36
  37         cmd.req.arg[1] = (vport_id << 16) | 0x1;
  38         cmd.req.arg[2] = npar_info->bit_offsets;
  39         cmd.req.arg[2] |= npar_info->min_tx_bw << 16;
  40         cmd.req.arg[3] = npar_info->max_tx_bw | (npar_info->max_tx_ques << 16);
  41         cmd.req.arg[4] = npar_info->max_tx_mac_filters;
  42         cmd.req.arg[4] |= npar_info->max_rx_mcast_mac_filters << 16;
  43         cmd.req.arg[5] = npar_info->max_rx_ucast_mac_filters |
  44                          (npar_info->max_rx_ip_addr << 16);
  45         cmd.req.arg[6] = npar_info->max_rx_lro_flow |
  46                          (npar_info->max_rx_status_rings << 16);
  47         cmd.req.arg[7] = npar_info->max_rx_buf_rings |
  48                          (npar_info->max_rx_ques << 16);
  49         cmd.req.arg[8] = npar_info->max_tx_vlan_keys;
  50         cmd.req.arg[8] |= npar_info->max_local_ipv6_addrs << 16;
  51         cmd.req.arg[9] = npar_info->max_remote_ipv6_addrs;
  52
  53         err = qlcnic_issue_cmd(adapter, &cmd);
  54         if (err)
  55                 dev_err(&adapter->pdev->dev,
  56                         "Failed to set vport info, err=%d\n", err);
  57
  58         qlcnic_free_mbx_args(&cmd);
  59         return err;
  60 }
  61
  62 static int qlcnic_sriov_pf_cal_res_limit(struct qlcnic_adapter *adapter,
  63                                          struct qlcnic_info *info, u16 func)
  64 {
  65         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
  66         struct qlcnic_resources *res = &sriov->ff_max;
  67         u32 temp, num_vf_macs, num_vfs, max;
  68         int ret = -EIO, vpid, id;
  69         struct qlcnic_vport *vp;
  70
  71         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
  72         if (vpid < 0)
  73                 return -EINVAL;
  74
  75         num_vfs = sriov->num_vfs;
  76         max = num_vfs + 1;
  77         info->bit_offsets = 0xffff;
  78         info->max_tx_ques = res->num_tx_queues / max;
  79         info->max_rx_mcast_mac_filters = res->num_rx_mcast_mac_filters;
  80         num_vf_macs = QLCNIC_SRIOV_VF_MAX_MAC;
  81
  82         if (adapter->ahw->pci_func == func) {
  83                 temp = res->num_rx_mcast_mac_filters - (num_vfs * num_vf_macs);
  84                 info->max_rx_ucast_mac_filters = temp;
  85                 temp = res->num_tx_mac_filters - (num_vfs * num_vf_macs);
  86                 info->max_tx_mac_filters = temp;
  87                 info->min_tx_bw = 0;
  88                 info->max_tx_bw = MAX_BW;
  89         } else {
  90                 id = qlcnic_sriov_func_to_index(adapter, func);
  91                 if (id < 0)
  92                         return id;
  93                 vp = sriov->vf_info[id].vp;
  94                 info->min_tx_bw = vp->min_tx_bw;
  95                 info->max_tx_bw = vp->max_tx_bw;
  96                 info->max_rx_ucast_mac_filters = num_vf_macs;
  97                 info->max_tx_mac_filters = num_vf_macs;
  98         }
  99
 100         info->max_rx_ip_addr = res->num_destip / max;
 101         info->max_rx_status_rings = res->num_rx_status_rings / max;
 102         info->max_rx_buf_rings = res->num_rx_buf_rings / max;
 103         info->max_rx_ques = res->num_rx_queues / max;
 104         info->max_rx_lro_flow = res->num_lro_flows_supported / max;
 105         info->max_tx_vlan_keys = res->num_txvlan_keys;
 106         info->max_local_ipv6_addrs = res->max_local_ipv6_addrs;
 107         info->max_remote_ipv6_addrs = res->max_remote_ipv6_addrs;
 108
 109         ret = qlcnic_sriov_pf_set_vport_info(adapter, info, vpid);
 110         if (ret)
 111                 return ret;
 112
 113         return 0;
 114 }
 115
 116 static void qlcnic_sriov_pf_set_ff_max_res(struct qlcnic_adapter *adapter,
 117                                            struct qlcnic_info *info)
 118 {
 119         struct qlcnic_resources *ff_max = &adapter->ahw->sriov->ff_max;
 120
 121         ff_max->num_tx_mac_filters = info->max_tx_mac_filters;
 122         ff_max->num_rx_ucast_mac_filters = info->max_rx_ucast_mac_filters;
 123         ff_max->num_rx_mcast_mac_filters = info->max_rx_mcast_mac_filters;
 124         ff_max->num_txvlan_keys = info->max_tx_vlan_keys;
 125         ff_max->num_rx_queues = info->max_rx_ques;
 126         ff_max->num_tx_queues = info->max_tx_ques;
 127         ff_max->num_lro_flows_supported = info->max_rx_lro_flow;
 128         ff_max->num_destip = info->max_rx_ip_addr;
 129         ff_max->num_rx_buf_rings = info->max_rx_buf_rings;
 130         ff_max->num_rx_status_rings = info->max_rx_status_rings;
 131         ff_max->max_remote_ipv6_addrs = info->max_remote_ipv6_addrs;
 132         ff_max->max_local_ipv6_addrs = info->max_local_ipv6_addrs;
 133 }
 134
 135 static int qlcnic_sriov_get_pf_info(struct qlcnic_adapter *adapter,
 136                                     struct qlcnic_info *npar_info)
 137 {
 138         int err;
 139         struct qlcnic_cmd_args cmd;
 140
 141         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO))
 142                 return -ENOMEM;
 143
 144         cmd.req.arg[1] = 0x2;
 145         err = qlcnic_issue_cmd(adapter, &cmd);
 146         if (err) {
 147                 dev_err(&adapter->pdev->dev,
 148                         "Failed to get PF info, err=%d\n", err);
 149                 goto out;
 150         }
 151
 152         npar_info->total_pf = cmd.rsp.arg[2] & 0xff;
 153         npar_info->total_rss_engines = (cmd.rsp.arg[2] >> 8) & 0xff;
 154         npar_info->max_vports = MSW(cmd.rsp.arg[2]);
 155         npar_info->max_tx_ques =  LSW(cmd.rsp.arg[3]);
 156         npar_info->max_tx_mac_filters = MSW(cmd.rsp.arg[3]);
 157         npar_info->max_rx_mcast_mac_filters = LSW(cmd.rsp.arg[4]);
 158         npar_info->max_rx_ucast_mac_filters = MSW(cmd.rsp.arg[4]);
 159         npar_info->max_rx_ip_addr = LSW(cmd.rsp.arg[5]);
 160         npar_info->max_rx_lro_flow = MSW(cmd.rsp.arg[5]);
 161         npar_info->max_rx_status_rings = LSW(cmd.rsp.arg[6]);
 162         npar_info->max_rx_buf_rings = MSW(cmd.rsp.arg[6]);
 163         npar_info->max_rx_ques = LSW(cmd.rsp.arg[7]);
 164         npar_info->max_tx_vlan_keys = MSW(cmd.rsp.arg[7]);
 165         npar_info->max_local_ipv6_addrs = LSW(cmd.rsp.arg[8]);
 166         npar_info->max_remote_ipv6_addrs = MSW(cmd.rsp.arg[8]);
 167
 168         qlcnic_sriov_pf_set_ff_max_res(adapter, npar_info);
 169         dev_info(&adapter->pdev->dev,
 170                  "\n\ttotal_pf: %d,\n"
 171                  "\n\ttotal_rss_engines: %d max_vports: %d max_tx_ques %d,\n"
 172                  "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n"
 173                  "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n"
 174                  "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n"
 175                  "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n"
 176                  "\tmax_local_ipv6_addrs: %d, max_remote_ipv6_addrs: %d\n",
 177                  npar_info->total_pf, npar_info->total_rss_engines,
 178                  npar_info->max_vports, npar_info->max_tx_ques,
 179                  npar_info->max_tx_mac_filters,
 180                  npar_info->max_rx_mcast_mac_filters,
 181                  npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr,
 182                  npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings,
 183                  npar_info->max_rx_buf_rings, npar_info->max_rx_ques,
 184                  npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs,
 185                  npar_info->max_remote_ipv6_addrs);
 186
 187 out:
 188         qlcnic_free_mbx_args(&cmd);
 189         return err;
 190 }
 191
 192 static void qlcnic_sriov_pf_reset_vport_handle(struct qlcnic_adapter *adapter,
 193                                                u8 func)
 194 {
 195         struct qlcnic_sriov  *sriov = adapter->ahw->sriov;
 196         struct qlcnic_vport *vp;
 197         int index;
 198
 199         if (adapter->ahw->pci_func == func) {
 200                 sriov->vp_handle = 0;
 201         } else {
 202                 index = qlcnic_sriov_func_to_index(adapter, func);
 203                 if (index < 0)
 204                         return;
 205                 vp = sriov->vf_info[index].vp;
 206                 vp->handle = 0;
 207         }
 208 }
 209
 210 static void qlcnic_sriov_pf_set_vport_handle(struct qlcnic_adapter *adapter,
 211                                              u16 vport_handle, u8 func)
 212 {
 213         struct qlcnic_sriov  *sriov = adapter->ahw->sriov;
 214         struct qlcnic_vport *vp;
 215         int index;
 216
 217         if (adapter->ahw->pci_func == func) {
 218                 sriov->vp_handle = vport_handle;
 219         } else {
 220                 index = qlcnic_sriov_func_to_index(adapter, func);
 221                 if (index < 0)
 222                         return;
 223                 vp = sriov->vf_info[index].vp;
 224                 vp->handle = vport_handle;
 225         }
 226 }
 227
 228 static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *adapter,
 229                                             u8 func)
 230 {
 231         struct qlcnic_sriov  *sriov = adapter->ahw->sriov;
 232         struct qlcnic_vf_info *vf_info;
 233         int index;
 234
 235         if (adapter->ahw->pci_func == func) {
 236                 return sriov->vp_handle;
 237         } else {
 238                 index = qlcnic_sriov_func_to_index(adapter, func);
 239                 if (index >= 0) {
 240                         vf_info = &sriov->vf_info[index];
 241                         return vf_info->vp->handle;
 242                 }
 243         }
 244
 245         return -EINVAL;
 246 }
 247
 248 static int qlcnic_sriov_pf_config_vport(struct qlcnic_adapter *adapter,
 249                                         u8 flag, u16 func)
 250 {
 251         struct qlcnic_cmd_args cmd;
 252         int ret;
 253         int vpid;
 254
 255         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_VPORT))
 256                 return -ENOMEM;
 257
 258         if (flag) {
 259                 cmd.req.arg[3] = func << 8;
 260         } else {
 261                 vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
 262                 if (vpid < 0) {
 263                         ret = -EINVAL;
 264                         goto out;
 265                 }
 266                 cmd.req.arg[3] = ((vpid & 0xffff) << 8) | 1;
 267         }
 268
 269         ret = qlcnic_issue_cmd(adapter, &cmd);
 270         if (ret) {
 271                 dev_err(&adapter->pdev->dev,
 272                         "Failed %s vport, err %d for func 0x%x\n",
 273                         (flag ? "enable" : "disable"), ret, func);
 274                 goto out;
 275         }
 276
 277         if (flag) {
 278                 vpid = cmd.rsp.arg[2] & 0xffff;
 279                 qlcnic_sriov_pf_set_vport_handle(adapter, vpid, func);
 280         } else {
 281                 qlcnic_sriov_pf_reset_vport_handle(adapter, func);
 282         }
 283
 284 out:
 285         qlcnic_free_mbx_args(&cmd);
 286         return ret;
 287 }
 288
 289 static int qlcnic_sriov_pf_cfg_vlan_filtering(struct qlcnic_adapter *adapter,
 290                                               u8 enable)
 291 {
 292         struct qlcnic_cmd_args cmd;
 293         int err;
 294
 295         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 296         if (err)
 297                 return err;
 298
 299         cmd.req.arg[1] = 0x4;
 300         if (enable)
 301                 cmd.req.arg[1] |= BIT_16;
 302
 303         err = qlcnic_issue_cmd(adapter, &cmd);
 304         if (err)
 305                 dev_err(&adapter->pdev->dev,
 306                         "Failed to configure VLAN filtering, err=%d\n", err);
 307
 308         qlcnic_free_mbx_args(&cmd);
 309         return err;
 310 }
 311
 312 static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter,
 313                                        u8 func, u8 enable)
 314 {
 315         struct qlcnic_cmd_args cmd;
 316         int err = -EIO;
 317
 318         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_TOGGLE_ESWITCH))
 319                 return -ENOMEM;
 320
 321         cmd.req.arg[0] |= (3 << 29);
 322         cmd.req.arg[1] = ((func & 0xf) << 2) | BIT_6 | BIT_1;
 323         if (enable)
 324                 cmd.req.arg[1] |= BIT_0;
 325
 326         err = qlcnic_issue_cmd(adapter, &cmd);
 327
 328         if (err != QLCNIC_RCODE_SUCCESS) {
 329                 dev_err(&adapter->pdev->dev,
 330                         "Failed to enable sriov eswitch%d\n", err);
 331                 err = -EIO;
 332         }
 333
 334         qlcnic_free_mbx_args(&cmd);
 335         return err;
 336 }
 337
 338 static void qlcnic_sriov_pf_del_flr_queue(struct qlcnic_adapter *adapter)
 339 {
 340         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
 341         struct qlcnic_back_channel *bc = &sriov->bc;
 342         int i;
 343
 344         for (i = 0; i < sriov->num_vfs; i++)
 345                 cancel_work_sync(&sriov->vf_info[i].flr_work);
 346
 347         destroy_workqueue(bc->bc_flr_wq);
 348 }
 349
 350 static int qlcnic_sriov_pf_create_flr_queue(struct qlcnic_adapter *adapter)
 351 {
 352         struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc;
 353         struct workqueue_struct *wq;
 354
 355         wq = create_singlethread_workqueue("qlcnic-flr");
 356         if (wq == NULL) {
 357                 dev_err(&adapter->pdev->dev, "Cannot create FLR workqueue\n");
 358                 return -ENOMEM;
 359         }
 360
 361         bc->bc_flr_wq =  wq;
 362         return 0;
 363 }
 364
 365 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter)
 366 {
 367         u8 func = adapter->ahw->pci_func;
 368
 369         if (!qlcnic_sriov_enable_check(adapter))
 370                 return;
 371
 372         qlcnic_sriov_pf_del_flr_queue(adapter);
 373         qlcnic_sriov_cfg_bc_intr(adapter, 0);
 374         qlcnic_sriov_pf_config_vport(adapter, 0, func);
 375         qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
 376         qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
 377         __qlcnic_sriov_cleanup(adapter);
 378         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
 379         clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
 380 }
 381
 382 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter)
 383 {
 384         if (!qlcnic_sriov_pf_check(adapter))
 385                 return;
 386
 387         if (!qlcnic_sriov_enable_check(adapter))
 388                 return;
 389
 390         pci_disable_sriov(adapter->pdev);
 391         netdev_info(adapter->netdev,
 392                     "SR-IOV is disabled successfully on port %d\n",
 393                     adapter->portnum);
 394 }
 395
 396 static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
 397 {
 398         struct net_device *netdev = adapter->netdev;
 399
 400         if (netif_running(netdev))
 401                 __qlcnic_down(adapter, netdev);
 402
 403         qlcnic_sriov_pf_disable(adapter);
 404
 405         qlcnic_sriov_pf_cleanup(adapter);
 406
 407         /* After disabling SRIOV re-init the driver in default mode
 408            configure opmode based on op_mode of function
 409          */
 410         if (qlcnic_83xx_configure_opmode(adapter))
 411                 return -EIO;
 412
 413         if (netif_running(netdev))
 414                 __qlcnic_up(adapter, netdev);
 415
 416         return 0;
 417 }
 418
 419 static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter)
 420 {
 421         struct qlcnic_hardware_context *ahw = adapter->ahw;
 422         struct qlcnic_info nic_info, pf_info, vp_info;
 423         int err;
 424         u8 func = ahw->pci_func;
 425
 426         if (!qlcnic_sriov_enable_check(adapter))
 427                 return 0;
 428
 429         err = qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 1);
 430         if (err)
 431                 return err;
 432
 433         err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, 1);
 434         if (err)
 435                 goto disable_vlan_filtering;
 436
 437         err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
 438         if (err)
 439                 goto disable_eswitch;
 440
 441         err = qlcnic_sriov_get_pf_info(adapter, &pf_info);
 442         if (err)
 443                 goto delete_vport;
 444
 445         err = qlcnic_get_nic_info(adapter, &nic_info, func);
 446         if (err)
 447                 goto delete_vport;
 448
 449         err = qlcnic_sriov_pf_cal_res_limit(adapter, &vp_info, func);
 450         if (err)
 451                 goto delete_vport;
 452
 453         err = qlcnic_sriov_cfg_bc_intr(adapter, 1);
 454         if (err)
 455                 goto delete_vport;
 456
 457         ahw->physical_port = (u8) nic_info.phys_port;
 458         ahw->switch_mode = nic_info.switch_mode;
 459         ahw->max_mtu = nic_info.max_mtu;
 460         ahw->capabilities = nic_info.capabilities;
 461         ahw->nic_mode = QLC_83XX_SRIOV_MODE;
 462         return err;
 463
 464 delete_vport:
 465         qlcnic_sriov_pf_config_vport(adapter, 0, func);
 466
 467 disable_eswitch:
 468         qlcnic_sriov_pf_cfg_eswitch(adapter, func, 0);
 469
 470 disable_vlan_filtering:
 471         qlcnic_sriov_pf_cfg_vlan_filtering(adapter, 0);
 472
 473         return err;
 474 }
 475
 476 static int qlcnic_sriov_pf_enable(struct qlcnic_adapter *adapter, int num_vfs)
 477 {
 478         int err;
 479
 480         if (!qlcnic_sriov_enable_check(adapter))
 481                 return 0;
 482
 483         err = pci_enable_sriov(adapter->pdev, num_vfs);
 484         if (err)
 485                 qlcnic_sriov_pf_cleanup(adapter);
 486
 487         return err;
 488 }
 489
 490 static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter,
 491                                      int num_vfs)
 492 {
 493         int err = 0;
 494
 495         set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
 496         adapter->ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
 497
 498         err = qlcnic_sriov_init(adapter, num_vfs);
 499         if (err)
 500                 goto clear_op_mode;
 501
 502         err = qlcnic_sriov_pf_create_flr_queue(adapter);
 503         if (err)
 504                 goto sriov_cleanup;
 505
 506         err = qlcnic_sriov_pf_init(adapter);
 507         if (err)
 508                 goto del_flr_queue;
 509
 510         err = qlcnic_sriov_pf_enable(adapter, num_vfs);
 511         return err;
 512
 513 del_flr_queue:
 514         qlcnic_sriov_pf_del_flr_queue(adapter);
 515
 516 sriov_cleanup:
 517         __qlcnic_sriov_cleanup(adapter);
 518
 519 clear_op_mode:
 520         clear_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
 521         adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
 522         return err;
 523 }
 524
 525 static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs)
 526 {
 527         struct net_device *netdev = adapter->netdev;
 528         int err;
 529
 530         if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
 531                 netdev_err(netdev,
 532                            "SR-IOV cannot be enabled, when legacy interrupts are enabled\n");
 533                 return -EIO;
 534         }
 535
 536         if (netif_running(netdev))
 537                 __qlcnic_down(adapter, netdev);
 538
 539         err = __qlcnic_pci_sriov_enable(adapter, num_vfs);
 540         if (err) {
 541                 netdev_info(netdev, "Failed to enable SR-IOV on port %d\n",
 542                             adapter->portnum);
 543
 544                 err = -EIO;
 545                 if (qlcnic_83xx_configure_opmode(adapter))
 546                         goto error;
 547         } else {
 548                 netdev_info(netdev,
 549                             "SR-IOV is enabled successfully on port %d\n",
 550                             adapter->portnum);
 551                 /* Return number of vfs enabled */
 552                 err = num_vfs;
 553         }
 554         if (netif_running(netdev))
 555                 __qlcnic_up(adapter, netdev);
 556
 557 error:
 558         return err;
 559 }
 560
 561 int qlcnic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
 562 {
 563         struct qlcnic_adapter *adapter = pci_get_drvdata(dev);
 564         int err;
 565
 566         if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
 567                 return -EBUSY;
 568
 569         if (num_vfs == 0)
 570                 err = qlcnic_pci_sriov_disable(adapter);
 571         else
 572                 err = qlcnic_pci_sriov_enable(adapter, num_vfs);
 573
 574         clear_bit(__QLCNIC_RESETTING, &adapter->state);
 575         return err;
 576 }
 577
 578 static int qlcnic_sriov_set_vf_acl(struct qlcnic_adapter *adapter, u8 func)
 579 {
 580         struct qlcnic_cmd_args cmd;
 581         struct qlcnic_vport *vp;
 582         int err, id;
 583
 584         id = qlcnic_sriov_func_to_index(adapter, func);
 585         if (id < 0)
 586                 return id;
 587
 588         vp = adapter->ahw->sriov->vf_info[id].vp;
 589         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 590         if (err)
 591                 return err;
 592
 593         cmd.req.arg[1] = 0x3 | func << 16;
 594         if (vp->vlan_mode == QLC_PVID_MODE) {
 595                 cmd.req.arg[2] |= BIT_6;
 596                 cmd.req.arg[3] |= vp->vlan << 8;
 597         }
 598
 599         err = qlcnic_issue_cmd(adapter, &cmd);
 600         if (err)
 601                 dev_err(&adapter->pdev->dev, "Failed to set ACL, err=%d\n",
 602                         err);
 603
 604         qlcnic_free_mbx_args(&cmd);
 605         return err;
 606 }
 607
 608 static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter,
 609                                           u16 func)
 610 {
 611         struct qlcnic_info defvp_info;
 612         int err;
 613
 614         err = qlcnic_sriov_pf_cal_res_limit(adapter, &defvp_info, func);
 615         if (err)
 616                 return -EIO;
 617
 618         err = qlcnic_sriov_set_vf_acl(adapter, func);
 619         if (err)
 620                 return err;
 621
 622         return 0;
 623 }
 624
 625 static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans,
 626                                            struct qlcnic_cmd_args *cmd)
 627 {
 628         struct qlcnic_vf_info *vf = trans->vf;
 629         struct qlcnic_adapter *adapter = vf->adapter;
 630         int err;
 631         u16 func = vf->pci_func;
 632
 633         cmd->rsp.arg[0] = trans->req_hdr->cmd_op;
 634         cmd->rsp.arg[0] |= (1 << 16);
 635
 636         if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) {
 637                 err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
 638                 if (!err) {
 639                         err = qlcnic_sriov_set_vf_vport_info(adapter, func);
 640                         if (err)
 641                                 qlcnic_sriov_pf_config_vport(adapter, 0, func);
 642                 }
 643         } else {
 644                 err = qlcnic_sriov_pf_config_vport(adapter, 0, func);
 645         }
 646
 647         if (err)
 648                 goto err_out;
 649
 650         cmd->rsp.arg[0] |= (1 << 25);
 651
 652         if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT)
 653                 set_bit(QLC_BC_VF_STATE, &vf->state);
 654         else
 655                 clear_bit(QLC_BC_VF_STATE, &vf->state);
 656
 657         return err;
 658
 659 err_out:
 660         cmd->rsp.arg[0] |= (2 << 25);
 661         return err;
 662 }
 663
 664 static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter,
 665                                        struct qlcnic_vport *vp,
 666                                        u16 func, u16 vlan, u8 op)
 667 {
 668         struct qlcnic_cmd_args cmd;
 669         struct qlcnic_macvlan_mbx mv;
 670         u8 *addr;
 671         int err;
 672         u32 *buf;
 673         int vpid;
 674
 675         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN))
 676                 return -ENOMEM;
 677
 678         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
 679         if (vpid < 0) {
 680                 err = -EINVAL;
 681                 goto out;
 682         }
 683
 684         if (vlan)
 685                 op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
 686                       QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL);
 687
 688         cmd.req.arg[1] = op | (1 << 8) | (3 << 6);
 689         cmd.req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31;
 690
 691         addr = vp->mac;
 692         mv.vlan = vlan;
 693         mv.mac_addr0 = addr[0];
 694         mv.mac_addr1 = addr[1];
 695         mv.mac_addr2 = addr[2];
 696         mv.mac_addr3 = addr[3];
 697         mv.mac_addr4 = addr[4];
 698         mv.mac_addr5 = addr[5];
 699         buf = &cmd.req.arg[2];
 700         memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
 701
 702         err = qlcnic_issue_cmd(adapter, &cmd);
 703
 704         if (err)
 705                 dev_err(&adapter->pdev->dev,
 706                         "MAC-VLAN %s to CAM failed, err=%d.\n",
 707                         ((op == 1) ? "add " : "delete "), err);
 708
 709 out:
 710         qlcnic_free_mbx_args(&cmd);
 711         return err;
 712 }
 713
 714 static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd)
 715 {
 716         if ((cmd->req.arg[0] >> 29) != 0x3)
 717                 return -EINVAL;
 718
 719         return 0;
 720 }
 721
 722 static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran,
 723                                              struct qlcnic_cmd_args *cmd)
 724 {
 725         struct qlcnic_vf_info *vf = tran->vf;
 726         struct qlcnic_adapter *adapter = vf->adapter;
 727         struct qlcnic_rcv_mbx_out *mbx_out;
 728         int err;
 729         u16 vlan;
 730
 731         err = qlcnic_sriov_validate_create_rx_ctx(cmd);
 732         if (err) {
 733                 cmd->rsp.arg[0] |= (0x6 << 25);
 734                 return err;
 735         }
 736
 737         cmd->req.arg[6] = vf->vp->handle;
 738         err = qlcnic_issue_cmd(adapter, cmd);
 739
 740         vlan = vf->vp->vlan;
 741         if (!err) {
 742                 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1];
 743                 vf->rx_ctx_id = mbx_out->ctx_id;
 744                 qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
 745                                             vlan, QLCNIC_MAC_ADD);
 746         } else {
 747                 vf->rx_ctx_id = 0;
 748         }
 749
 750         return err;
 751 }
 752
 753 static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans,
 754                                            struct qlcnic_cmd_args *cmd)
 755 {
 756         struct qlcnic_vf_info *vf = trans->vf;
 757         u8 type, *mac;
 758
 759         type = cmd->req.arg[1];
 760         switch (type) {
 761         case QLCNIC_SET_STATION_MAC:
 762         case QLCNIC_SET_FAC_DEF_MAC:
 763                 cmd->rsp.arg[0] = (2 << 25);
 764                 break;
 765         case QLCNIC_GET_CURRENT_MAC:
 766                 cmd->rsp.arg[0] = (1 << 25);
 767                 mac = vf->vp->mac;
 768                 cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00);
 769                 cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) |
 770                                   ((mac[3]) << 16 & 0xff0000) |
 771                                   ((mac[2]) << 24 & 0xff000000);
 772         }
 773
 774         return 0;
 775 }
 776
 777 static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd)
 778 {
 779         if ((cmd->req.arg[0] >> 29) != 0x3)
 780                 return -EINVAL;
 781
 782         return 0;
 783 }
 784
 785 static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
 786                                              struct qlcnic_cmd_args *cmd)
 787 {
 788         struct qlcnic_vf_info *vf = trans->vf;
 789         struct qlcnic_adapter *adapter = vf->adapter;
 790         struct qlcnic_tx_mbx_out *mbx_out;
 791         int err;
 792
 793         err = qlcnic_sriov_validate_create_tx_ctx(cmd);
 794         if (err) {
 795                 cmd->rsp.arg[0] |= (0x6 << 25);
 796                 return err;
 797         }
 798
 799         cmd->req.arg[5] |= vf->vp->handle << 16;
 800         err = qlcnic_issue_cmd(adapter, cmd);
 801         if (!err) {
 802                 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2];
 803                 vf->tx_ctx_id = mbx_out->ctx_id;
 804         } else {
 805                 vf->tx_ctx_id = 0;
 806         }
 807
 808         return err;
 809 }
 810
 811 static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf,
 812                                             struct qlcnic_cmd_args *cmd)
 813 {
 814         if ((cmd->req.arg[0] >> 29) != 0x3)
 815                 return -EINVAL;
 816
 817         if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id)
 818                 return -EINVAL;
 819
 820         return 0;
 821 }
 822
 823 static int qlcnic_sriov_pf_del_rx_ctx_cmd(struct qlcnic_bc_trans *trans,
 824                                           struct qlcnic_cmd_args *cmd)
 825 {
 826         struct qlcnic_vf_info *vf = trans->vf;
 827         struct qlcnic_adapter *adapter = vf->adapter;
 828         int err;
 829         u16 vlan;
 830
 831         err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd);
 832         if (err) {
 833                 cmd->rsp.arg[0] |= (0x6 << 25);
 834                 return err;
 835         }
 836
 837         vlan = vf->vp->vlan;
 838         qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
 839                                     vlan, QLCNIC_MAC_DEL);
 840         cmd->req.arg[1] |= vf->vp->handle << 16;
 841         err = qlcnic_issue_cmd(adapter, cmd);
 842
 843         if (!err)
 844                 vf->rx_ctx_id = 0;
 845
 846         return err;
 847 }
 848
 849 static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf,
 850                                             struct qlcnic_cmd_args *cmd)
 851 {
 852         if ((cmd->req.arg[0] >> 29) != 0x3)
 853                 return -EINVAL;
 854
 855         if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id)
 856                 return -EINVAL;
 857
 858         return 0;
 859 }
 860
 861 static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
 862                                           struct qlcnic_cmd_args *cmd)
 863 {
 864         struct qlcnic_vf_info *vf = trans->vf;
 865         struct qlcnic_adapter *adapter = vf->adapter;
 866         int err;
 867
 868         err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd);
 869         if (err) {
 870                 cmd->rsp.arg[0] |= (0x6 << 25);
 871                 return err;
 872         }
 873
 874         cmd->req.arg[1] |= vf->vp->handle << 16;
 875         err = qlcnic_issue_cmd(adapter, cmd);
 876
 877         if (!err)
 878                 vf->tx_ctx_id = 0;
 879
 880         return err;
 881 }
 882
 883 static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf,
 884                                          struct qlcnic_cmd_args *cmd)
 885 {
 886         if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
 887                 return -EINVAL;
 888
 889         return 0;
 890 }
 891
 892 static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans,
 893                                        struct qlcnic_cmd_args *cmd)
 894 {
 895         struct qlcnic_vf_info *vf = trans->vf;
 896         struct qlcnic_adapter *adapter = vf->adapter;
 897         int err;
 898
 899         err = qlcnic_sriov_validate_cfg_lro(vf, cmd);
 900         if (err) {
 901                 cmd->rsp.arg[0] |= (0x6 << 25);
 902                 return err;
 903         }
 904
 905         err = qlcnic_issue_cmd(adapter, cmd);
 906         return err;
 907 }
 908
 909 static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans,
 910                                       struct qlcnic_cmd_args *cmd)
 911 {
 912         struct qlcnic_vf_info *vf = trans->vf;
 913         struct qlcnic_adapter *adapter = vf->adapter;
 914         int err = -EIO;
 915         u8 op;
 916
 917         op =  cmd->req.arg[1] & 0xff;
 918
 919         cmd->req.arg[1] |= vf->vp->handle << 16;
 920         cmd->req.arg[1] |= BIT_31;
 921
 922         err = qlcnic_issue_cmd(adapter, cmd);
 923         return err;
 924 }
 925
 926 static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf,
 927                                             struct qlcnic_cmd_args *cmd)
 928 {
 929         if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func)
 930                 return -EINVAL;
 931
 932         if (!(cmd->req.arg[1] & BIT_16))
 933                 return -EINVAL;
 934
 935         if ((cmd->req.arg[1] & 0xff) != 0x1)
 936                 return -EINVAL;
 937
 938         return 0;
 939 }
 940
 941 static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans,
 942                                           struct qlcnic_cmd_args *cmd)
 943 {
 944         struct qlcnic_vf_info *vf = trans->vf;
 945         struct qlcnic_adapter *adapter = vf->adapter;
 946         int err;
 947
 948         err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd);
 949         if (err)
 950                 cmd->rsp.arg[0] |= (0x6 << 25);
 951         else
 952                 err = qlcnic_issue_cmd(adapter, cmd);
 953
 954         return err;
 955 }
 956
 957 static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter,
 958                                      struct qlcnic_vf_info *vf,
 959                                      struct qlcnic_cmd_args *cmd)
 960 {
 961         if (cmd->req.arg[1] != vf->rx_ctx_id)
 962                 return -EINVAL;
 963
 964         if (cmd->req.arg[2] > adapter->ahw->max_mtu)
 965                 return -EINVAL;
 966
 967         return 0;
 968 }
 969
 970 static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans,
 971                                        struct qlcnic_cmd_args *cmd)
 972 {
 973         struct qlcnic_vf_info *vf = trans->vf;
 974         struct qlcnic_adapter *adapter = vf->adapter;
 975         int err;
 976
 977         err = qlcnic_sriov_validate_mtu(adapter, vf, cmd);
 978         if (err)
 979                 cmd->rsp.arg[0] |= (0x6 << 25);
 980         else
 981                 err = qlcnic_issue_cmd(adapter, cmd);
 982
 983         return err;
 984 }
 985
 986 static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf,
 987                                               struct qlcnic_cmd_args *cmd)
 988 {
 989         if (cmd->req.arg[1] & BIT_31) {
 990                 if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func)
 991                         return -EINVAL;
 992         } else {
 993                 cmd->req.arg[1] |= vf->vp->handle << 16;
 994         }
 995
 996         return 0;
 997 }
 998
 999 static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans,
1000                                             struct qlcnic_cmd_args *cmd)
1001 {
1002         struct qlcnic_vf_info *vf = trans->vf;
1003         struct qlcnic_adapter *adapter = vf->adapter;
1004         int err;
1005
1006         err = qlcnic_sriov_validate_get_nic_info(vf, cmd);
1007         if (err) {
1008                 cmd->rsp.arg[0] |= (0x6 << 25);
1009                 return err;
1010         }
1011
1012         err = qlcnic_issue_cmd(adapter, cmd);
1013         return err;
1014 }
1015
1016 static int qlcnic_sriov_validate_cfg_rss(struct qlcnic_vf_info *vf,
1017                                          struct qlcnic_cmd_args *cmd)
1018 {
1019         if (cmd->req.arg[1] != vf->rx_ctx_id)
1020                 return -EINVAL;
1021
1022         return 0;
1023 }
1024
1025 static int qlcnic_sriov_pf_cfg_rss_cmd(struct qlcnic_bc_trans *trans,
1026                                        struct qlcnic_cmd_args *cmd)
1027 {
1028         struct qlcnic_vf_info *vf = trans->vf;
1029         struct qlcnic_adapter *adapter = vf->adapter;
1030         int err;
1031
1032         err = qlcnic_sriov_validate_cfg_rss(vf, cmd);
1033         if (err)
1034                 cmd->rsp.arg[0] |= (0x6 << 25);
1035         else
1036                 err = qlcnic_issue_cmd(adapter, cmd);
1037
1038         return err;
1039 }
1040
1041 static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter,
1042                                               struct qlcnic_vf_info *vf,
1043                                               struct qlcnic_cmd_args *cmd)
1044 {
1045         struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
1046         u16 ctx_id, pkts, time;
1047
1048         ctx_id = cmd->req.arg[1] >> 16;
1049         pkts = cmd->req.arg[2] & 0xffff;
1050         time = cmd->req.arg[2] >> 16;
1051
1052         if (ctx_id != vf->rx_ctx_id)
1053                 return -EINVAL;
1054         if (pkts > coal->rx_packets)
1055                 return -EINVAL;
1056         if (time < coal->rx_time_us)
1057                 return -EINVAL;
1058
1059         return 0;
1060 }
1061
1062 static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran,
1063                                             struct qlcnic_cmd_args *cmd)
1064 {
1065         struct qlcnic_vf_info *vf = tran->vf;
1066         struct qlcnic_adapter *adapter = vf->adapter;
1067         int err;
1068
1069         err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd);
1070         if (err) {
1071                 cmd->rsp.arg[0] |= (0x6 << 25);
1072                 return err;
1073         }
1074
1075         err = qlcnic_issue_cmd(adapter, cmd);
1076         return err;
1077 }
1078
1079 static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter,
1080                                              struct qlcnic_vf_info *vf,
1081                                              struct qlcnic_cmd_args *cmd)
1082 {
1083         struct qlcnic_macvlan_mbx *macvlan;
1084         struct qlcnic_vport *vp = vf->vp;
1085         u8 op, new_op;
1086
1087         if (!(cmd->req.arg[1] & BIT_8))
1088                 return -EINVAL;
1089
1090         cmd->req.arg[1] |= (vf->vp->handle << 16);
1091         cmd->req.arg[1] |= BIT_31;
1092
1093         macvlan = (struct qlcnic_macvlan_mbx *)&cmd->req.arg[2];
1094         if (!(macvlan->mac_addr0 & BIT_0)) {
1095                 dev_err(&adapter->pdev->dev,
1096                         "MAC address change is not allowed from VF %d",
1097                         vf->pci_func);
1098                 return -EINVAL;
1099         }
1100
1101         if (vp->vlan_mode == QLC_PVID_MODE) {
1102                 op = cmd->req.arg[1] & 0x7;
1103                 cmd->req.arg[1] &= ~0x7;
1104                 new_op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
1105                          QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
1106                 cmd->req.arg[3] |= vp->vlan << 16;
1107                 cmd->req.arg[1] |= new_op;
1108         }
1109
1110         return 0;
1111 }
1112
1113 static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans,
1114                                            struct qlcnic_cmd_args *cmd)
1115 {
1116         struct qlcnic_vf_info *vf = trans->vf;
1117         struct qlcnic_adapter *adapter = vf->adapter;
1118         int err;
1119
1120         err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd);
1121         if (err) {
1122                 cmd->rsp.arg[0] |= (0x6 << 25);
1123                 return err;
1124         }
1125
1126         err = qlcnic_issue_cmd(adapter, cmd);
1127         return err;
1128 }
1129
1130 static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf,
1131                                            struct qlcnic_cmd_args *cmd)
1132 {
1133         if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
1134                 return -EINVAL;
1135
1136         if (!(cmd->req.arg[1] & BIT_8))
1137                 return -EINVAL;
1138
1139         return 0;
1140 }
1141
1142 static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans,
1143                                          struct qlcnic_cmd_args *cmd)
1144 {
1145         struct qlcnic_vf_info *vf = trans->vf;
1146         struct qlcnic_adapter *adapter = vf->adapter;
1147         int err;
1148
1149         err = qlcnic_sriov_validate_linkevent(vf, cmd);
1150         if (err) {
1151                 cmd->rsp.arg[0] |= (0x6 << 25);
1152                 return err;
1153         }
1154
1155         err = qlcnic_issue_cmd(adapter, cmd);
1156         return err;
1157 }
1158
1159 static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans,
1160                                            struct qlcnic_cmd_args *cmd)
1161 {
1162         struct qlcnic_vf_info *vf = trans->vf;
1163         struct qlcnic_adapter *adapter = vf->adapter;
1164         int err;
1165
1166         cmd->req.arg[1] |= vf->vp->handle << 16;
1167         cmd->req.arg[1] |= BIT_31;
1168         err = qlcnic_issue_cmd(adapter, cmd);
1169         return err;
1170 }
1171
1172 static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans,
1173                                        struct qlcnic_cmd_args *cmd)
1174 {
1175         struct qlcnic_vf_info *vf = trans->vf;
1176         struct qlcnic_vport *vp = vf->vp;
1177         u8 cmd_op, mode = vp->vlan_mode;
1178
1179         cmd_op = trans->req_hdr->cmd_op;
1180         cmd->rsp.arg[0] = (cmd_op & 0xffff) | 14 << 16 | 1 << 25;
1181
1182         switch (mode) {
1183         case QLC_GUEST_VLAN_MODE:
1184                 cmd->rsp.arg[1] = mode | 1 << 8;
1185                 cmd->rsp.arg[2] = 1 << 16;
1186                 break;
1187         case QLC_PVID_MODE:
1188                 cmd->rsp.arg[1] = mode | 1 << 8 | vp->vlan << 16;
1189                 break;
1190         }
1191
1192         return 0;
1193 }
1194
1195 static int qlcnic_sriov_pf_del_guest_vlan(struct qlcnic_adapter *adapter,
1196                                           struct qlcnic_vf_info *vf)
1197
1198 {
1199         struct qlcnic_vport *vp = vf->vp;
1200
1201         if (!vp->vlan)
1202                 return -EINVAL;
1203
1204         if (!vf->rx_ctx_id) {
1205                 vp->vlan = 0;
1206                 return 0;
1207         }
1208
1209         qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1210                                     vp->vlan, QLCNIC_MAC_DEL);
1211         vp->vlan = 0;
1212         qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1213                                     0, QLCNIC_MAC_ADD);
1214         return 0;
1215 }
1216
1217 static int qlcnic_sriov_pf_add_guest_vlan(struct qlcnic_adapter *adapter,
1218                                           struct qlcnic_vf_info *vf,
1219                                           struct qlcnic_cmd_args *cmd)
1220 {
1221         struct qlcnic_vport *vp = vf->vp;
1222         int err = -EIO;
1223
1224         if (vp->vlan)
1225                 return err;
1226
1227         if (!vf->rx_ctx_id) {
1228                 vp->vlan = cmd->req.arg[1] >> 16;
1229                 return 0;
1230         }
1231
1232         err = qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1233                                           0, QLCNIC_MAC_DEL);
1234         if (err)
1235                 return err;
1236
1237         vp->vlan = cmd->req.arg[1] >> 16;
1238         err = qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1239                                           vp->vlan, QLCNIC_MAC_ADD);
1240
1241         if (err) {
1242                 qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1243                                             0, QLCNIC_MAC_ADD);
1244                 vp->vlan = 0;
1245         }
1246
1247         return err;
1248 }
1249
1250 static int qlcnic_sriov_pf_cfg_guest_vlan_cmd(struct qlcnic_bc_trans *tran,
1251                                               struct qlcnic_cmd_args *cmd)
1252 {
1253         struct qlcnic_vf_info  *vf = tran->vf;
1254         struct qlcnic_adapter *adapter =  vf->adapter;
1255         struct qlcnic_vport *vp = vf->vp;
1256         int err = -EIO;
1257         u8 op;
1258
1259         if (vp->vlan_mode != QLC_GUEST_VLAN_MODE) {
1260                 cmd->rsp.arg[0] |= 2 << 25;
1261                 return err;
1262         }
1263
1264         op = cmd->req.arg[1] & 0xf;
1265
1266         if (op)
1267                 err = qlcnic_sriov_pf_add_guest_vlan(adapter, vf, cmd);
1268         else
1269                 err = qlcnic_sriov_pf_del_guest_vlan(adapter, vf);
1270
1271         cmd->rsp.arg[0] |= err ? 2 << 25 : 1 << 25;
1272         return err;
1273 }
1274
1275 static const int qlcnic_pf_passthru_supp_cmds[] = {
1276         QLCNIC_CMD_GET_STATISTICS,
1277         QLCNIC_CMD_GET_PORT_CONFIG,
1278         QLCNIC_CMD_GET_LINK_STATUS,
1279 };
1280
1281 static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = {
1282         [QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1283         [QLCNIC_BC_CMD_CHANNEL_TERM] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1284         [QLCNIC_BC_CMD_GET_ACL] = {&qlcnic_sriov_pf_get_acl_cmd},
1285         [QLCNIC_BC_CMD_CFG_GUEST_VLAN]  = {&qlcnic_sriov_pf_cfg_guest_vlan_cmd},
1286 };
1287
1288 static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = {
1289         {QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd},
1290         {QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd},
1291         {QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd},
1292         {QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd},
1293         {QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd},
1294         {QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd},
1295         {QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd},
1296         {QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd},
1297         {QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd},
1298         {QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd},
1299         {QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd},
1300         {QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd},
1301         {QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd},
1302         {QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd},
1303         {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd},
1304 };
1305
1306 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter,
1307                                     struct qlcnic_bc_trans *trans,
1308                                     struct qlcnic_cmd_args *cmd)
1309 {
1310         u8 size, cmd_op;
1311
1312         cmd_op = trans->req_hdr->cmd_op;
1313
1314         if (trans->req_hdr->op_type == QLC_BC_CMD) {
1315                 size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr);
1316                 if (cmd_op < size) {
1317                         qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd);
1318                         return;
1319                 }
1320         } else {
1321                 int i;
1322                 size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr);
1323                 for (i = 0; i < size; i++) {
1324                         if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) {
1325                                 qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd);
1326                                 return;
1327                         }
1328                 }
1329
1330                 size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds);
1331                 for (i = 0; i < size; i++) {
1332                         if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) {
1333                                 qlcnic_issue_cmd(adapter, cmd);
1334                                 return;
1335                         }
1336                 }
1337         }
1338
1339         cmd->rsp.arg[0] |= (0x9 << 25);
1340 }
1341
1342 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
1343                                              u32 *int_id)
1344 {
1345         u16 vpid;
1346
1347         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1348                                                 adapter->ahw->pci_func);
1349         *int_id |= vpid;
1350 }
1351
1352 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
1353                                            u32 *int_id)
1354 {
1355         u16 vpid;
1356
1357         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1358                                                 adapter->ahw->pci_func);
1359         *int_id |= vpid << 16;
1360 }
1361
1362 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
1363                                               u32 *int_id)
1364 {
1365         int vpid;
1366
1367         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1368                                                 adapter->ahw->pci_func);
1369         *int_id |= vpid << 16;
1370 }
1371
1372 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
1373                                            u32 *int_id)
1374 {
1375         u16 vpid;
1376
1377         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1378                                                 adapter->ahw->pci_func);
1379         *int_id |= vpid << 16;
1380 }
1381
1382 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1383                                         u32 *int_id)
1384 {
1385         u16 vpid;
1386
1387         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1388                                                 adapter->ahw->pci_func);
1389         *int_id |= (vpid << 16) | BIT_31;
1390 }
1391
1392 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1393                                        u32 *int_id)
1394 {
1395         u16 vpid;
1396
1397         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1398                                                 adapter->ahw->pci_func);
1399         *int_id |= (vpid << 16) | BIT_31;
1400 }
1401
1402 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
1403                                         u32 *int_id)
1404 {
1405         u16 vpid;
1406
1407         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1408                                                 adapter->ahw->pci_func);
1409         *int_id |= (vpid << 16) | BIT_31;
1410 }
1411
1412 static void qlcnic_sriov_del_rx_ctx(struct qlcnic_adapter *adapter,
1413                                     struct qlcnic_vf_info *vf)
1414 {
1415         struct qlcnic_cmd_args cmd;
1416         int vpid;
1417
1418         if (!vf->rx_ctx_id)
1419                 return;
1420
1421         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
1422                 return;
1423
1424         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
1425         if (vpid >= 0) {
1426                 cmd.req.arg[1] = vf->rx_ctx_id | (vpid & 0xffff) << 16;
1427                 if (qlcnic_issue_cmd(adapter, &cmd))
1428                         dev_err(&adapter->pdev->dev,
1429                                 "Failed to delete Tx ctx in firmware for func 0x%x\n",
1430                                 vf->pci_func);
1431                 else
1432                         vf->rx_ctx_id = 0;
1433         }
1434
1435         qlcnic_free_mbx_args(&cmd);
1436 }
1437
1438 static void qlcnic_sriov_del_tx_ctx(struct qlcnic_adapter *adapter,
1439                                     struct qlcnic_vf_info *vf)
1440 {
1441         struct qlcnic_cmd_args cmd;
1442         int vpid;
1443
1444         if (!vf->tx_ctx_id)
1445                 return;
1446
1447         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
1448                 return;
1449
1450         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
1451         if (vpid >= 0) {
1452                 cmd.req.arg[1] |= vf->tx_ctx_id | (vpid & 0xffff) << 16;
1453                 if (qlcnic_issue_cmd(adapter, &cmd))
1454                         dev_err(&adapter->pdev->dev,
1455                                 "Failed to delete Tx ctx in firmware for func 0x%x\n",
1456                                 vf->pci_func);
1457                 else
1458                         vf->tx_ctx_id = 0;
1459         }
1460
1461         qlcnic_free_mbx_args(&cmd);
1462 }
1463
1464 static int qlcnic_sriov_add_act_list_irqsave(struct qlcnic_sriov *sriov,
1465                                              struct qlcnic_vf_info *vf,
1466                                              struct qlcnic_bc_trans *trans)
1467 {
1468         struct qlcnic_trans_list *t_list = &vf->rcv_act;
1469         unsigned long flag;
1470
1471         spin_lock_irqsave(&t_list->lock, flag);
1472
1473         __qlcnic_sriov_add_act_list(sriov, vf, trans);
1474
1475         spin_unlock_irqrestore(&t_list->lock, flag);
1476         return 0;
1477 }
1478
1479 static void __qlcnic_sriov_process_flr(struct qlcnic_vf_info *vf)
1480 {
1481         struct qlcnic_adapter *adapter = vf->adapter;
1482
1483         qlcnic_sriov_cleanup_list(&vf->rcv_pend);
1484         cancel_work_sync(&vf->trans_work);
1485         qlcnic_sriov_cleanup_list(&vf->rcv_act);
1486
1487         if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
1488                 qlcnic_sriov_del_tx_ctx(adapter, vf);
1489                 qlcnic_sriov_del_rx_ctx(adapter, vf);
1490         }
1491
1492         qlcnic_sriov_pf_config_vport(adapter, 0, vf->pci_func);
1493
1494         clear_bit(QLC_BC_VF_FLR, &vf->state);
1495         if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
1496                 qlcnic_sriov_add_act_list_irqsave(adapter->ahw->sriov, vf,
1497                                                   vf->flr_trans);
1498                 clear_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
1499                 vf->flr_trans = NULL;
1500         }
1501 }
1502
1503 static void qlcnic_sriov_pf_process_flr(struct work_struct *work)
1504 {
1505         struct qlcnic_vf_info *vf;
1506
1507         vf = container_of(work, struct qlcnic_vf_info, flr_work);
1508         __qlcnic_sriov_process_flr(vf);
1509         return;
1510 }
1511
1512 static void qlcnic_sriov_schedule_flr(struct qlcnic_sriov *sriov,
1513                                       struct qlcnic_vf_info *vf,
1514                                       work_func_t func)
1515 {
1516         if (test_bit(__QLCNIC_RESETTING, &vf->adapter->state))
1517                 return;
1518
1519         INIT_WORK(&vf->flr_work, func);
1520         queue_work(sriov->bc.bc_flr_wq, &vf->flr_work);
1521 }
1522
1523 static void qlcnic_sriov_handle_soft_flr(struct qlcnic_adapter *adapter,
1524                                          struct qlcnic_bc_trans *trans,
1525                                          struct qlcnic_vf_info *vf)
1526 {
1527         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1528
1529         set_bit(QLC_BC_VF_FLR, &vf->state);
1530         clear_bit(QLC_BC_VF_STATE, &vf->state);
1531         set_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
1532         vf->flr_trans = trans;
1533         qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
1534         netdev_info(adapter->netdev, "Software FLR for PCI func %d\n",
1535                     vf->pci_func);
1536 }
1537
1538 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
1539                                  struct qlcnic_bc_trans *trans,
1540                                  struct qlcnic_vf_info *vf)
1541 {
1542         struct qlcnic_bc_hdr *hdr = trans->req_hdr;
1543
1544         if ((hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) &&
1545             (hdr->op_type == QLC_BC_CMD) &&
1546              test_bit(QLC_BC_VF_STATE, &vf->state)) {
1547                 qlcnic_sriov_handle_soft_flr(adapter, trans, vf);
1548                 return true;
1549         }
1550
1551         return false;
1552 }
1553
1554 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
1555                                 struct qlcnic_vf_info *vf)
1556 {
1557         struct net_device *dev = vf->adapter->netdev;
1558
1559         if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) {
1560                 clear_bit(QLC_BC_VF_FLR, &vf->state);
1561                 return;
1562         }
1563
1564         if (test_and_set_bit(QLC_BC_VF_FLR, &vf->state)) {
1565                 netdev_info(dev, "FLR for PCI func %d in progress\n",
1566                             vf->pci_func);
1567                 return;
1568         }
1569
1570         qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
1571         netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func);
1572 }
1573
1574 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter)
1575 {
1576         struct qlcnic_hardware_context *ahw = adapter->ahw;
1577         struct qlcnic_sriov *sriov = ahw->sriov;
1578         struct qlcnic_vf_info *vf;
1579         u16 num_vfs = sriov->num_vfs;
1580         int i;
1581
1582         for (i = 0; i < num_vfs; i++) {
1583                 vf = &sriov->vf_info[i];
1584                 vf->rx_ctx_id = 0;
1585                 vf->tx_ctx_id = 0;
1586                 cancel_work_sync(&vf->flr_work);
1587                 __qlcnic_sriov_process_flr(vf);
1588                 clear_bit(QLC_BC_VF_STATE, &vf->state);
1589         }
1590
1591         qlcnic_sriov_pf_reset_vport_handle(adapter, ahw->pci_func);
1592         QLCWRX(ahw, QLCNIC_MBX_INTR_ENBL, (ahw->num_msix - 1) << 8);
1593 }
1594
1595 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
1596 {
1597         struct qlcnic_hardware_context *ahw = adapter->ahw;
1598         int err;
1599
1600         if (!qlcnic_sriov_enable_check(adapter))
1601                 return 0;
1602
1603         ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
1604
1605         err = qlcnic_sriov_pf_init(adapter);
1606         if (err)
1607                 return err;
1608
1609         dev_info(&adapter->pdev->dev, "%s: op_mode %d\n",
1610                  __func__, ahw->op_mode);
1611         return err;
1612 }
1613
1614 int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
1615 {
1616         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1617         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1618         int i, num_vfs = sriov->num_vfs;
1619         struct qlcnic_vf_info *vf_info;
1620         u8 *curr_mac;
1621
1622         if (!qlcnic_sriov_pf_check(adapter))
1623                 return -EOPNOTSUPP;
1624
1625         if (!is_valid_ether_addr(mac) || vf >= num_vfs)
1626                 return -EINVAL;
1627
1628         if (!compare_ether_addr(adapter->mac_addr, mac)) {
1629                 netdev_err(netdev, "MAC address is already in use by the PF\n");
1630                 return -EINVAL;
1631         }
1632
1633         for (i = 0; i < num_vfs; i++) {
1634                 vf_info = &sriov->vf_info[i];
1635                 if (!compare_ether_addr(vf_info->vp->mac, mac)) {
1636                         netdev_err(netdev,
1637                                    "MAC address is already in use by VF %d\n",
1638                                    i);
1639                         return -EINVAL;
1640                 }
1641         }
1642
1643         vf_info = &sriov->vf_info[vf];
1644         curr_mac = vf_info->vp->mac;
1645
1646         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1647                 netdev_err(netdev,
1648                            "MAC address change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
1649                            vf);
1650                 return -EOPNOTSUPP;
1651         }
1652
1653         memcpy(curr_mac, mac, netdev->addr_len);
1654         netdev_info(netdev, "MAC Address %pM  is configured for VF %d\n",
1655                     mac, vf);
1656         return 0;
1657 }
1658
1659 int qlcnic_sriov_set_vf_tx_rate(struct net_device *netdev, int vf, int tx_rate)
1660 {
1661         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1662         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1663         struct qlcnic_vf_info *vf_info;
1664         struct qlcnic_info nic_info;
1665         struct qlcnic_vport *vp;
1666         u16 vpid;
1667
1668         if (!qlcnic_sriov_pf_check(adapter))
1669                 return -EOPNOTSUPP;
1670
1671         if (vf >= sriov->num_vfs)
1672                 return -EINVAL;
1673
1674         if (tx_rate >= 10000 || tx_rate < 100) {
1675                 netdev_err(netdev,
1676                            "Invalid Tx rate, allowed range is [%d - %d]",
1677                            QLC_VF_MIN_TX_RATE, QLC_VF_MAX_TX_RATE);
1678                 return -EINVAL;
1679         }
1680
1681         if (tx_rate == 0)
1682                 tx_rate = 10000;
1683
1684         vf_info = &sriov->vf_info[vf];
1685         vp = vf_info->vp;
1686         vpid = vp->handle;
1687
1688         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1689                 if (qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, vpid))
1690                         return -EIO;
1691
1692                 nic_info.max_tx_bw = tx_rate / 100;
1693                 nic_info.bit_offsets = BIT_0;
1694
1695                 if (qlcnic_sriov_pf_set_vport_info(adapter, &nic_info, vpid))
1696                         return -EIO;
1697         }
1698
1699         vp->max_tx_bw = tx_rate / 100;
1700         netdev_info(netdev,
1701                     "Setting Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n",
1702                     tx_rate, vp->max_tx_bw, vf);
1703         return 0;
1704 }
1705
1706 int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf,
1707                              u16 vlan, u8 qos)
1708 {
1709         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1710         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1711         struct qlcnic_vf_info *vf_info;
1712         struct qlcnic_vport *vp;
1713
1714         if (!qlcnic_sriov_pf_check(adapter))
1715                 return -EOPNOTSUPP;
1716
1717         if (vf >= sriov->num_vfs || qos > 7)
1718                 return -EINVAL;
1719
1720         if (vlan > MAX_VLAN_ID) {
1721                 netdev_err(netdev,
1722                            "Invalid VLAN ID, allowed range is [0 - %d]\n",
1723                            MAX_VLAN_ID);
1724                 return -EINVAL;
1725         }
1726
1727         vf_info = &sriov->vf_info[vf];
1728         vp = vf_info->vp;
1729         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1730                 netdev_err(netdev,
1731                            "VLAN change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
1732                            vf);
1733                 return -EOPNOTSUPP;
1734         }
1735
1736         switch (vlan) {
1737         case 4095:
1738                 vp->vlan_mode = QLC_GUEST_VLAN_MODE;
1739                 break;
1740         case 0:
1741                 vp->vlan_mode = QLC_NO_VLAN_MODE;
1742                 vp->vlan = 0;
1743                 vp->qos = 0;
1744                 break;
1745         default:
1746                 vp->vlan_mode = QLC_PVID_MODE;
1747                 vp->vlan = vlan;
1748                 vp->qos = qos;
1749         }
1750
1751         netdev_info(netdev, "Setting VLAN %d, QoS %d, for VF %d\n",
1752                     vlan, qos, vf);
1753         return 0;
1754 }
1755
1756 int qlcnic_sriov_get_vf_config(struct net_device *netdev,
1757                                int vf, struct ifla_vf_info *ivi)
1758 {
1759         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1760         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1761         struct qlcnic_vport *vp;
1762
1763         if (!qlcnic_sriov_pf_check(adapter))
1764                 return -EOPNOTSUPP;
1765
1766         if (vf >= sriov->num_vfs)
1767                 return -EINVAL;
1768
1769         vp = sriov->vf_info[vf].vp;
1770         memcpy(&ivi->mac, vp->mac, ETH_ALEN);
1771         ivi->vlan = vp->vlan;
1772         ivi->qos = vp->qos;
1773         if (vp->max_tx_bw == MAX_BW)
1774                 ivi->tx_rate = 0;
1775         else
1776                 ivi->tx_rate = vp->max_tx_bw * 100;
1777
1778         ivi->vf = vf;
1779         return 0;
1780 }