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         u8 *mac;
 584
 585         id = qlcnic_sriov_func_to_index(adapter, func);
 586         if (id < 0)
 587                 return id;
 588
 589         vp = adapter->ahw->sriov->vf_info[id].vp;
 590         err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
 591         if (err)
 592                 return err;
 593
 594         cmd.req.arg[1] = 0x3 | func << 16;
 595         if (vp->spoofchk == true) {
 596                 mac = vp->mac;
 597                 cmd.req.arg[2] |= BIT_1 | BIT_3 | BIT_8;
 598                 cmd.req.arg[4] = mac[5] | mac[4] << 8 | mac[3] << 16 |
 599                                  mac[2] << 24;
 600                 cmd.req.arg[5] = mac[1] | mac[0] << 8;
 601         }
 602
 603         if (vp->vlan_mode == QLC_PVID_MODE) {
 604                 cmd.req.arg[2] |= BIT_6;
 605                 cmd.req.arg[3] |= vp->vlan << 8;
 606         }
 607
 608         err = qlcnic_issue_cmd(adapter, &cmd);
 609         if (err)
 610                 dev_err(&adapter->pdev->dev, "Failed to set ACL, err=%d\n",
 611                         err);
 612
 613         qlcnic_free_mbx_args(&cmd);
 614         return err;
 615 }
 616
 617 static int qlcnic_sriov_set_vf_vport_info(struct qlcnic_adapter *adapter,
 618                                           u16 func)
 619 {
 620         struct qlcnic_info defvp_info;
 621         int err;
 622
 623         err = qlcnic_sriov_pf_cal_res_limit(adapter, &defvp_info, func);
 624         if (err)
 625                 return -EIO;
 626
 627         err = qlcnic_sriov_set_vf_acl(adapter, func);
 628         if (err)
 629                 return err;
 630
 631         return 0;
 632 }
 633
 634 static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans,
 635                                            struct qlcnic_cmd_args *cmd)
 636 {
 637         struct qlcnic_vf_info *vf = trans->vf;
 638         struct qlcnic_vport *vp = vf->vp;
 639         struct qlcnic_adapter *adapter;
 640         u16 func = vf->pci_func;
 641         int err;
 642
 643         adapter = vf->adapter;
 644
 645         if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) {
 646                 err = qlcnic_sriov_pf_config_vport(adapter, 1, func);
 647                 if (!err) {
 648                         err = qlcnic_sriov_set_vf_vport_info(adapter, func);
 649                         if (err)
 650                                 qlcnic_sriov_pf_config_vport(adapter, 0, func);
 651                 }
 652         } else {
 653                 if (vp->vlan_mode == QLC_GUEST_VLAN_MODE)
 654                         vp->vlan = 0;
 655                 err = qlcnic_sriov_pf_config_vport(adapter, 0, func);
 656         }
 657
 658         if (err)
 659                 goto err_out;
 660
 661         cmd->rsp.arg[0] |= (1 << 25);
 662
 663         if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT)
 664                 set_bit(QLC_BC_VF_STATE, &vf->state);
 665         else
 666                 clear_bit(QLC_BC_VF_STATE, &vf->state);
 667
 668         return err;
 669
 670 err_out:
 671         cmd->rsp.arg[0] |= (2 << 25);
 672         return err;
 673 }
 674
 675 static int qlcnic_sriov_cfg_vf_def_mac(struct qlcnic_adapter *adapter,
 676                                        struct qlcnic_vport *vp,
 677                                        u16 func, u16 vlan, u8 op)
 678 {
 679         struct qlcnic_cmd_args cmd;
 680         struct qlcnic_macvlan_mbx mv;
 681         u8 *addr;
 682         int err;
 683         u32 *buf;
 684         int vpid;
 685
 686         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN))
 687                 return -ENOMEM;
 688
 689         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, func);
 690         if (vpid < 0) {
 691                 err = -EINVAL;
 692                 goto out;
 693         }
 694
 695         if (vlan)
 696                 op = ((op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
 697                       QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL);
 698
 699         cmd.req.arg[1] = op | (1 << 8) | (3 << 6);
 700         cmd.req.arg[1] |= ((vpid & 0xffff) << 16) | BIT_31;
 701
 702         addr = vp->mac;
 703         mv.vlan = vlan;
 704         mv.mac_addr0 = addr[0];
 705         mv.mac_addr1 = addr[1];
 706         mv.mac_addr2 = addr[2];
 707         mv.mac_addr3 = addr[3];
 708         mv.mac_addr4 = addr[4];
 709         mv.mac_addr5 = addr[5];
 710         buf = &cmd.req.arg[2];
 711         memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx));
 712
 713         err = qlcnic_issue_cmd(adapter, &cmd);
 714
 715         if (err)
 716                 dev_err(&adapter->pdev->dev,
 717                         "MAC-VLAN %s to CAM failed, err=%d.\n",
 718                         ((op == 1) ? "add " : "delete "), err);
 719
 720 out:
 721         qlcnic_free_mbx_args(&cmd);
 722         return err;
 723 }
 724
 725 static int qlcnic_sriov_validate_create_rx_ctx(struct qlcnic_cmd_args *cmd)
 726 {
 727         if ((cmd->req.arg[0] >> 29) != 0x3)
 728                 return -EINVAL;
 729
 730         return 0;
 731 }
 732
 733 static int qlcnic_sriov_pf_create_rx_ctx_cmd(struct qlcnic_bc_trans *tran,
 734                                              struct qlcnic_cmd_args *cmd)
 735 {
 736         struct qlcnic_vf_info *vf = tran->vf;
 737         struct qlcnic_adapter *adapter = vf->adapter;
 738         struct qlcnic_rcv_mbx_out *mbx_out;
 739         int err;
 740         u16 vlan;
 741
 742         err = qlcnic_sriov_validate_create_rx_ctx(cmd);
 743         if (err) {
 744                 cmd->rsp.arg[0] |= (0x6 << 25);
 745                 return err;
 746         }
 747
 748         cmd->req.arg[6] = vf->vp->handle;
 749         err = qlcnic_issue_cmd(adapter, cmd);
 750
 751         vlan = vf->vp->vlan;
 752         if (!err) {
 753                 mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd->rsp.arg[1];
 754                 vf->rx_ctx_id = mbx_out->ctx_id;
 755                 qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
 756                                             vlan, QLCNIC_MAC_ADD);
 757         } else {
 758                 vf->rx_ctx_id = 0;
 759         }
 760
 761         return err;
 762 }
 763
 764 static int qlcnic_sriov_pf_mac_address_cmd(struct qlcnic_bc_trans *trans,
 765                                            struct qlcnic_cmd_args *cmd)
 766 {
 767         struct qlcnic_vf_info *vf = trans->vf;
 768         u8 type, *mac;
 769
 770         type = cmd->req.arg[1];
 771         switch (type) {
 772         case QLCNIC_SET_STATION_MAC:
 773         case QLCNIC_SET_FAC_DEF_MAC:
 774                 cmd->rsp.arg[0] = (2 << 25);
 775                 break;
 776         case QLCNIC_GET_CURRENT_MAC:
 777                 cmd->rsp.arg[0] = (1 << 25);
 778                 mac = vf->vp->mac;
 779                 cmd->rsp.arg[2] = mac[1] | ((mac[0] << 8) & 0xff00);
 780                 cmd->rsp.arg[1] = mac[5] | ((mac[4] << 8) & 0xff00) |
 781                                   ((mac[3]) << 16 & 0xff0000) |
 782                                   ((mac[2]) << 24 & 0xff000000);
 783         }
 784
 785         return 0;
 786 }
 787
 788 static int qlcnic_sriov_validate_create_tx_ctx(struct qlcnic_cmd_args *cmd)
 789 {
 790         if ((cmd->req.arg[0] >> 29) != 0x3)
 791                 return -EINVAL;
 792
 793         return 0;
 794 }
 795
 796 static int qlcnic_sriov_pf_create_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
 797                                              struct qlcnic_cmd_args *cmd)
 798 {
 799         struct qlcnic_vf_info *vf = trans->vf;
 800         struct qlcnic_adapter *adapter = vf->adapter;
 801         struct qlcnic_tx_mbx_out *mbx_out;
 802         int err;
 803
 804         err = qlcnic_sriov_validate_create_tx_ctx(cmd);
 805         if (err) {
 806                 cmd->rsp.arg[0] |= (0x6 << 25);
 807                 return err;
 808         }
 809
 810         cmd->req.arg[5] |= vf->vp->handle << 16;
 811         err = qlcnic_issue_cmd(adapter, cmd);
 812         if (!err) {
 813                 mbx_out = (struct qlcnic_tx_mbx_out *)&cmd->rsp.arg[2];
 814                 vf->tx_ctx_id = mbx_out->ctx_id;
 815         } else {
 816                 vf->tx_ctx_id = 0;
 817         }
 818
 819         return err;
 820 }
 821
 822 static int qlcnic_sriov_validate_del_rx_ctx(struct qlcnic_vf_info *vf,
 823                                             struct qlcnic_cmd_args *cmd)
 824 {
 825         if ((cmd->req.arg[0] >> 29) != 0x3)
 826                 return -EINVAL;
 827
 828         if ((cmd->req.arg[1] & 0xffff) != vf->rx_ctx_id)
 829                 return -EINVAL;
 830
 831         return 0;
 832 }
 833
 834 static int qlcnic_sriov_pf_del_rx_ctx_cmd(struct qlcnic_bc_trans *trans,
 835                                           struct qlcnic_cmd_args *cmd)
 836 {
 837         struct qlcnic_vf_info *vf = trans->vf;
 838         struct qlcnic_adapter *adapter = vf->adapter;
 839         int err;
 840         u16 vlan;
 841
 842         err = qlcnic_sriov_validate_del_rx_ctx(vf, cmd);
 843         if (err) {
 844                 cmd->rsp.arg[0] |= (0x6 << 25);
 845                 return err;
 846         }
 847
 848         vlan = vf->vp->vlan;
 849         qlcnic_sriov_cfg_vf_def_mac(adapter, vf->vp, vf->pci_func,
 850                                     vlan, QLCNIC_MAC_DEL);
 851         cmd->req.arg[1] |= vf->vp->handle << 16;
 852         err = qlcnic_issue_cmd(adapter, cmd);
 853
 854         if (!err)
 855                 vf->rx_ctx_id = 0;
 856
 857         return err;
 858 }
 859
 860 static int qlcnic_sriov_validate_del_tx_ctx(struct qlcnic_vf_info *vf,
 861                                             struct qlcnic_cmd_args *cmd)
 862 {
 863         if ((cmd->req.arg[0] >> 29) != 0x3)
 864                 return -EINVAL;
 865
 866         if ((cmd->req.arg[1] & 0xffff) != vf->tx_ctx_id)
 867                 return -EINVAL;
 868
 869         return 0;
 870 }
 871
 872 static int qlcnic_sriov_pf_del_tx_ctx_cmd(struct qlcnic_bc_trans *trans,
 873                                           struct qlcnic_cmd_args *cmd)
 874 {
 875         struct qlcnic_vf_info *vf = trans->vf;
 876         struct qlcnic_adapter *adapter = vf->adapter;
 877         int err;
 878
 879         err = qlcnic_sriov_validate_del_tx_ctx(vf, cmd);
 880         if (err) {
 881                 cmd->rsp.arg[0] |= (0x6 << 25);
 882                 return err;
 883         }
 884
 885         cmd->req.arg[1] |= vf->vp->handle << 16;
 886         err = qlcnic_issue_cmd(adapter, cmd);
 887
 888         if (!err)
 889                 vf->tx_ctx_id = 0;
 890
 891         return err;
 892 }
 893
 894 static int qlcnic_sriov_validate_cfg_lro(struct qlcnic_vf_info *vf,
 895                                          struct qlcnic_cmd_args *cmd)
 896 {
 897         if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
 898                 return -EINVAL;
 899
 900         return 0;
 901 }
 902
 903 static int qlcnic_sriov_pf_cfg_lro_cmd(struct qlcnic_bc_trans *trans,
 904                                        struct qlcnic_cmd_args *cmd)
 905 {
 906         struct qlcnic_vf_info *vf = trans->vf;
 907         struct qlcnic_adapter *adapter = vf->adapter;
 908         int err;
 909
 910         err = qlcnic_sriov_validate_cfg_lro(vf, cmd);
 911         if (err) {
 912                 cmd->rsp.arg[0] |= (0x6 << 25);
 913                 return err;
 914         }
 915
 916         err = qlcnic_issue_cmd(adapter, cmd);
 917         return err;
 918 }
 919
 920 static int qlcnic_sriov_pf_cfg_ip_cmd(struct qlcnic_bc_trans *trans,
 921                                       struct qlcnic_cmd_args *cmd)
 922 {
 923         struct qlcnic_vf_info *vf = trans->vf;
 924         struct qlcnic_adapter *adapter = vf->adapter;
 925         int err = -EIO;
 926         u8 op;
 927
 928         op =  cmd->req.arg[1] & 0xff;
 929
 930         cmd->req.arg[1] |= vf->vp->handle << 16;
 931         cmd->req.arg[1] |= BIT_31;
 932
 933         err = qlcnic_issue_cmd(adapter, cmd);
 934         return err;
 935 }
 936
 937 static int qlcnic_sriov_validate_cfg_intrpt(struct qlcnic_vf_info *vf,
 938                                             struct qlcnic_cmd_args *cmd)
 939 {
 940         if (((cmd->req.arg[1] >> 8) & 0xff) != vf->pci_func)
 941                 return -EINVAL;
 942
 943         if (!(cmd->req.arg[1] & BIT_16))
 944                 return -EINVAL;
 945
 946         if ((cmd->req.arg[1] & 0xff) != 0x1)
 947                 return -EINVAL;
 948
 949         return 0;
 950 }
 951
 952 static int qlcnic_sriov_pf_cfg_intrpt_cmd(struct qlcnic_bc_trans *trans,
 953                                           struct qlcnic_cmd_args *cmd)
 954 {
 955         struct qlcnic_vf_info *vf = trans->vf;
 956         struct qlcnic_adapter *adapter = vf->adapter;
 957         int err;
 958
 959         err = qlcnic_sriov_validate_cfg_intrpt(vf, cmd);
 960         if (err)
 961                 cmd->rsp.arg[0] |= (0x6 << 25);
 962         else
 963                 err = qlcnic_issue_cmd(adapter, cmd);
 964
 965         return err;
 966 }
 967
 968 static int qlcnic_sriov_validate_mtu(struct qlcnic_adapter *adapter,
 969                                      struct qlcnic_vf_info *vf,
 970                                      struct qlcnic_cmd_args *cmd)
 971 {
 972         if (cmd->req.arg[1] != vf->rx_ctx_id)
 973                 return -EINVAL;
 974
 975         if (cmd->req.arg[2] > adapter->ahw->max_mtu)
 976                 return -EINVAL;
 977
 978         return 0;
 979 }
 980
 981 static int qlcnic_sriov_pf_set_mtu_cmd(struct qlcnic_bc_trans *trans,
 982                                        struct qlcnic_cmd_args *cmd)
 983 {
 984         struct qlcnic_vf_info *vf = trans->vf;
 985         struct qlcnic_adapter *adapter = vf->adapter;
 986         int err;
 987
 988         err = qlcnic_sriov_validate_mtu(adapter, vf, cmd);
 989         if (err)
 990                 cmd->rsp.arg[0] |= (0x6 << 25);
 991         else
 992                 err = qlcnic_issue_cmd(adapter, cmd);
 993
 994         return err;
 995 }
 996
 997 static int qlcnic_sriov_validate_get_nic_info(struct qlcnic_vf_info *vf,
 998                                               struct qlcnic_cmd_args *cmd)
 999 {
1000         if (cmd->req.arg[1] & BIT_31) {
1001                 if (((cmd->req.arg[1] >> 16) & 0x7fff) != vf->pci_func)
1002                         return -EINVAL;
1003         } else {
1004                 cmd->req.arg[1] |= vf->vp->handle << 16;
1005         }
1006
1007         return 0;
1008 }
1009
1010 static int qlcnic_sriov_pf_get_nic_info_cmd(struct qlcnic_bc_trans *trans,
1011                                             struct qlcnic_cmd_args *cmd)
1012 {
1013         struct qlcnic_vf_info *vf = trans->vf;
1014         struct qlcnic_adapter *adapter = vf->adapter;
1015         int err;
1016
1017         err = qlcnic_sriov_validate_get_nic_info(vf, cmd);
1018         if (err) {
1019                 cmd->rsp.arg[0] |= (0x6 << 25);
1020                 return err;
1021         }
1022
1023         err = qlcnic_issue_cmd(adapter, cmd);
1024         return err;
1025 }
1026
1027 static int qlcnic_sriov_validate_cfg_rss(struct qlcnic_vf_info *vf,
1028                                          struct qlcnic_cmd_args *cmd)
1029 {
1030         if (cmd->req.arg[1] != vf->rx_ctx_id)
1031                 return -EINVAL;
1032
1033         return 0;
1034 }
1035
1036 static int qlcnic_sriov_pf_cfg_rss_cmd(struct qlcnic_bc_trans *trans,
1037                                        struct qlcnic_cmd_args *cmd)
1038 {
1039         struct qlcnic_vf_info *vf = trans->vf;
1040         struct qlcnic_adapter *adapter = vf->adapter;
1041         int err;
1042
1043         err = qlcnic_sriov_validate_cfg_rss(vf, cmd);
1044         if (err)
1045                 cmd->rsp.arg[0] |= (0x6 << 25);
1046         else
1047                 err = qlcnic_issue_cmd(adapter, cmd);
1048
1049         return err;
1050 }
1051
1052 static int qlcnic_sriov_validate_cfg_intrcoal(struct qlcnic_adapter *adapter,
1053                                               struct qlcnic_vf_info *vf,
1054                                               struct qlcnic_cmd_args *cmd)
1055 {
1056         struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal;
1057         u16 ctx_id, pkts, time;
1058
1059         ctx_id = cmd->req.arg[1] >> 16;
1060         pkts = cmd->req.arg[2] & 0xffff;
1061         time = cmd->req.arg[2] >> 16;
1062
1063         if (ctx_id != vf->rx_ctx_id)
1064                 return -EINVAL;
1065         if (pkts > coal->rx_packets)
1066                 return -EINVAL;
1067         if (time < coal->rx_time_us)
1068                 return -EINVAL;
1069
1070         return 0;
1071 }
1072
1073 static int qlcnic_sriov_pf_cfg_intrcoal_cmd(struct qlcnic_bc_trans *tran,
1074                                             struct qlcnic_cmd_args *cmd)
1075 {
1076         struct qlcnic_vf_info *vf = tran->vf;
1077         struct qlcnic_adapter *adapter = vf->adapter;
1078         int err;
1079
1080         err = qlcnic_sriov_validate_cfg_intrcoal(adapter, vf, cmd);
1081         if (err) {
1082                 cmd->rsp.arg[0] |= (0x6 << 25);
1083                 return err;
1084         }
1085
1086         err = qlcnic_issue_cmd(adapter, cmd);
1087         return err;
1088 }
1089
1090 static int qlcnic_sriov_validate_cfg_macvlan(struct qlcnic_adapter *adapter,
1091                                              struct qlcnic_vf_info *vf,
1092                                              struct qlcnic_cmd_args *cmd)
1093 {
1094         struct qlcnic_macvlan_mbx *macvlan;
1095         struct qlcnic_vport *vp = vf->vp;
1096         u8 op, new_op;
1097
1098         if (!(cmd->req.arg[1] & BIT_8))
1099                 return -EINVAL;
1100
1101         cmd->req.arg[1] |= (vf->vp->handle << 16);
1102         cmd->req.arg[1] |= BIT_31;
1103
1104         macvlan = (struct qlcnic_macvlan_mbx *)&cmd->req.arg[2];
1105         if (!(macvlan->mac_addr0 & BIT_0)) {
1106                 dev_err(&adapter->pdev->dev,
1107                         "MAC address change is not allowed from VF %d",
1108                         vf->pci_func);
1109                 return -EINVAL;
1110         }
1111
1112         if (vp->vlan_mode == QLC_PVID_MODE) {
1113                 op = cmd->req.arg[1] & 0x7;
1114                 cmd->req.arg[1] &= ~0x7;
1115                 new_op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
1116                          QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;
1117                 cmd->req.arg[3] |= vp->vlan << 16;
1118                 cmd->req.arg[1] |= new_op;
1119         }
1120
1121         return 0;
1122 }
1123
1124 static int qlcnic_sriov_pf_cfg_macvlan_cmd(struct qlcnic_bc_trans *trans,
1125                                            struct qlcnic_cmd_args *cmd)
1126 {
1127         struct qlcnic_vf_info *vf = trans->vf;
1128         struct qlcnic_adapter *adapter = vf->adapter;
1129         int err;
1130
1131         err = qlcnic_sriov_validate_cfg_macvlan(adapter, vf, cmd);
1132         if (err) {
1133                 cmd->rsp.arg[0] |= (0x6 << 25);
1134                 return err;
1135         }
1136
1137         err = qlcnic_issue_cmd(adapter, cmd);
1138         return err;
1139 }
1140
1141 static int qlcnic_sriov_validate_linkevent(struct qlcnic_vf_info *vf,
1142                                            struct qlcnic_cmd_args *cmd)
1143 {
1144         if ((cmd->req.arg[1] >> 16) != vf->rx_ctx_id)
1145                 return -EINVAL;
1146
1147         return 0;
1148 }
1149
1150 static int qlcnic_sriov_pf_linkevent_cmd(struct qlcnic_bc_trans *trans,
1151                                          struct qlcnic_cmd_args *cmd)
1152 {
1153         struct qlcnic_vf_info *vf = trans->vf;
1154         struct qlcnic_adapter *adapter = vf->adapter;
1155         int err;
1156
1157         err = qlcnic_sriov_validate_linkevent(vf, cmd);
1158         if (err) {
1159                 cmd->rsp.arg[0] |= (0x6 << 25);
1160                 return err;
1161         }
1162
1163         err = qlcnic_issue_cmd(adapter, cmd);
1164         return err;
1165 }
1166
1167 static int qlcnic_sriov_pf_cfg_promisc_cmd(struct qlcnic_bc_trans *trans,
1168                                            struct qlcnic_cmd_args *cmd)
1169 {
1170         struct qlcnic_vf_info *vf = trans->vf;
1171         struct qlcnic_adapter *adapter = vf->adapter;
1172         int err;
1173
1174         cmd->req.arg[1] |= vf->vp->handle << 16;
1175         cmd->req.arg[1] |= BIT_31;
1176         err = qlcnic_issue_cmd(adapter, cmd);
1177         return err;
1178 }
1179
1180 static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans,
1181                                        struct qlcnic_cmd_args *cmd)
1182 {
1183         struct qlcnic_vf_info *vf = trans->vf;
1184         struct qlcnic_vport *vp = vf->vp;
1185         u8 cmd_op, mode = vp->vlan_mode;
1186
1187         cmd_op = trans->req_hdr->cmd_op;
1188         cmd->rsp.arg[0] |= 1 << 25;
1189
1190         switch (mode) {
1191         case QLC_GUEST_VLAN_MODE:
1192                 cmd->rsp.arg[1] = mode | 1 << 8;
1193                 cmd->rsp.arg[2] = 1 << 16;
1194                 break;
1195         case QLC_PVID_MODE:
1196                 cmd->rsp.arg[1] = mode | 1 << 8 | vp->vlan << 16;
1197                 break;
1198         }
1199
1200         return 0;
1201 }
1202
1203 static int qlcnic_sriov_pf_del_guest_vlan(struct qlcnic_adapter *adapter,
1204                                           struct qlcnic_vf_info *vf)
1205
1206 {
1207         struct qlcnic_vport *vp = vf->vp;
1208
1209         if (!vp->vlan)
1210                 return -EINVAL;
1211
1212         if (!vf->rx_ctx_id) {
1213                 vp->vlan = 0;
1214                 return 0;
1215         }
1216
1217         qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1218                                     vp->vlan, QLCNIC_MAC_DEL);
1219         vp->vlan = 0;
1220         qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1221                                     0, QLCNIC_MAC_ADD);
1222         return 0;
1223 }
1224
1225 static int qlcnic_sriov_pf_add_guest_vlan(struct qlcnic_adapter *adapter,
1226                                           struct qlcnic_vf_info *vf,
1227                                           struct qlcnic_cmd_args *cmd)
1228 {
1229         struct qlcnic_vport *vp = vf->vp;
1230         int err = -EIO;
1231
1232         if (vp->vlan)
1233                 return err;
1234
1235         if (!vf->rx_ctx_id) {
1236                 vp->vlan = cmd->req.arg[1] >> 16;
1237                 return 0;
1238         }
1239
1240         err = qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1241                                           0, QLCNIC_MAC_DEL);
1242         if (err)
1243                 return err;
1244
1245         vp->vlan = cmd->req.arg[1] >> 16;
1246         err = qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1247                                           vp->vlan, QLCNIC_MAC_ADD);
1248
1249         if (err) {
1250                 qlcnic_sriov_cfg_vf_def_mac(adapter, vp, vf->pci_func,
1251                                             0, QLCNIC_MAC_ADD);
1252                 vp->vlan = 0;
1253         }
1254
1255         return err;
1256 }
1257
1258 static int qlcnic_sriov_pf_cfg_guest_vlan_cmd(struct qlcnic_bc_trans *tran,
1259                                               struct qlcnic_cmd_args *cmd)
1260 {
1261         struct qlcnic_vf_info  *vf = tran->vf;
1262         struct qlcnic_adapter *adapter =  vf->adapter;
1263         struct qlcnic_vport *vp = vf->vp;
1264         int err = -EIO;
1265         u8 op;
1266
1267         if (vp->vlan_mode != QLC_GUEST_VLAN_MODE) {
1268                 cmd->rsp.arg[0] |= 2 << 25;
1269                 return err;
1270         }
1271
1272         op = cmd->req.arg[1] & 0xf;
1273
1274         if (op)
1275                 err = qlcnic_sriov_pf_add_guest_vlan(adapter, vf, cmd);
1276         else
1277                 err = qlcnic_sriov_pf_del_guest_vlan(adapter, vf);
1278
1279         cmd->rsp.arg[0] |= err ? 2 << 25 : 1 << 25;
1280         return err;
1281 }
1282
1283 static const int qlcnic_pf_passthru_supp_cmds[] = {
1284         QLCNIC_CMD_GET_STATISTICS,
1285         QLCNIC_CMD_GET_PORT_CONFIG,
1286         QLCNIC_CMD_GET_LINK_STATUS,
1287 };
1288
1289 static const struct qlcnic_sriov_cmd_handler qlcnic_pf_bc_cmd_hdlr[] = {
1290         [QLCNIC_BC_CMD_CHANNEL_INIT] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1291         [QLCNIC_BC_CMD_CHANNEL_TERM] = {&qlcnic_sriov_pf_channel_cfg_cmd},
1292         [QLCNIC_BC_CMD_GET_ACL] = {&qlcnic_sriov_pf_get_acl_cmd},
1293         [QLCNIC_BC_CMD_CFG_GUEST_VLAN]  = {&qlcnic_sriov_pf_cfg_guest_vlan_cmd},
1294 };
1295
1296 static const struct qlcnic_sriov_fw_cmd_handler qlcnic_pf_fw_cmd_hdlr[] = {
1297         {QLCNIC_CMD_CREATE_RX_CTX, qlcnic_sriov_pf_create_rx_ctx_cmd},
1298         {QLCNIC_CMD_CREATE_TX_CTX, qlcnic_sriov_pf_create_tx_ctx_cmd},
1299         {QLCNIC_CMD_MAC_ADDRESS, qlcnic_sriov_pf_mac_address_cmd},
1300         {QLCNIC_CMD_DESTROY_RX_CTX, qlcnic_sriov_pf_del_rx_ctx_cmd},
1301         {QLCNIC_CMD_DESTROY_TX_CTX, qlcnic_sriov_pf_del_tx_ctx_cmd},
1302         {QLCNIC_CMD_CONFIGURE_HW_LRO, qlcnic_sriov_pf_cfg_lro_cmd},
1303         {QLCNIC_CMD_CONFIGURE_IP_ADDR, qlcnic_sriov_pf_cfg_ip_cmd},
1304         {QLCNIC_CMD_CONFIG_INTRPT, qlcnic_sriov_pf_cfg_intrpt_cmd},
1305         {QLCNIC_CMD_SET_MTU, qlcnic_sriov_pf_set_mtu_cmd},
1306         {QLCNIC_CMD_GET_NIC_INFO, qlcnic_sriov_pf_get_nic_info_cmd},
1307         {QLCNIC_CMD_CONFIGURE_RSS, qlcnic_sriov_pf_cfg_rss_cmd},
1308         {QLCNIC_CMD_CONFIG_INTR_COAL, qlcnic_sriov_pf_cfg_intrcoal_cmd},
1309         {QLCNIC_CMD_CONFIG_MAC_VLAN, qlcnic_sriov_pf_cfg_macvlan_cmd},
1310         {QLCNIC_CMD_GET_LINK_EVENT, qlcnic_sriov_pf_linkevent_cmd},
1311         {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, qlcnic_sriov_pf_cfg_promisc_cmd},
1312 };
1313
1314 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *adapter,
1315                                     struct qlcnic_bc_trans *trans,
1316                                     struct qlcnic_cmd_args *cmd)
1317 {
1318         u8 size, cmd_op;
1319
1320         cmd_op = trans->req_hdr->cmd_op;
1321
1322         if (trans->req_hdr->op_type == QLC_BC_CMD) {
1323                 size = ARRAY_SIZE(qlcnic_pf_bc_cmd_hdlr);
1324                 if (cmd_op < size) {
1325                         qlcnic_pf_bc_cmd_hdlr[cmd_op].fn(trans, cmd);
1326                         return;
1327                 }
1328         } else {
1329                 int i;
1330                 size = ARRAY_SIZE(qlcnic_pf_fw_cmd_hdlr);
1331                 for (i = 0; i < size; i++) {
1332                         if (cmd_op == qlcnic_pf_fw_cmd_hdlr[i].cmd) {
1333                                 qlcnic_pf_fw_cmd_hdlr[i].fn(trans, cmd);
1334                                 return;
1335                         }
1336                 }
1337
1338                 size = ARRAY_SIZE(qlcnic_pf_passthru_supp_cmds);
1339                 for (i = 0; i < size; i++) {
1340                         if (cmd_op == qlcnic_pf_passthru_supp_cmds[i]) {
1341                                 qlcnic_issue_cmd(adapter, cmd);
1342                                 return;
1343                         }
1344                 }
1345         }
1346
1347         cmd->rsp.arg[0] |= (0x9 << 25);
1348 }
1349
1350 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
1351                                              u32 *int_id)
1352 {
1353         u16 vpid;
1354
1355         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1356                                                 adapter->ahw->pci_func);
1357         *int_id |= vpid;
1358 }
1359
1360 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
1361                                            u32 *int_id)
1362 {
1363         u16 vpid;
1364
1365         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1366                                                 adapter->ahw->pci_func);
1367         *int_id |= vpid << 16;
1368 }
1369
1370 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
1371                                               u32 *int_id)
1372 {
1373         int vpid;
1374
1375         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1376                                                 adapter->ahw->pci_func);
1377         *int_id |= vpid << 16;
1378 }
1379
1380 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
1381                                            u32 *int_id)
1382 {
1383         u16 vpid;
1384
1385         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1386                                                 adapter->ahw->pci_func);
1387         *int_id |= vpid << 16;
1388 }
1389
1390 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter,
1391                                         u32 *int_id)
1392 {
1393         u16 vpid;
1394
1395         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1396                                                 adapter->ahw->pci_func);
1397         *int_id |= (vpid << 16) | BIT_31;
1398 }
1399
1400 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter,
1401                                        u32 *int_id)
1402 {
1403         u16 vpid;
1404
1405         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1406                                                 adapter->ahw->pci_func);
1407         *int_id |= (vpid << 16) | BIT_31;
1408 }
1409
1410 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter,
1411                                         u32 *int_id)
1412 {
1413         u16 vpid;
1414
1415         vpid = qlcnic_sriov_pf_get_vport_handle(adapter,
1416                                                 adapter->ahw->pci_func);
1417         *int_id |= (vpid << 16) | BIT_31;
1418 }
1419
1420 static void qlcnic_sriov_del_rx_ctx(struct qlcnic_adapter *adapter,
1421                                     struct qlcnic_vf_info *vf)
1422 {
1423         struct qlcnic_cmd_args cmd;
1424         int vpid;
1425
1426         if (!vf->rx_ctx_id)
1427                 return;
1428
1429         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX))
1430                 return;
1431
1432         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
1433         if (vpid >= 0) {
1434                 cmd.req.arg[1] = vf->rx_ctx_id | (vpid & 0xffff) << 16;
1435                 if (qlcnic_issue_cmd(adapter, &cmd))
1436                         dev_err(&adapter->pdev->dev,
1437                                 "Failed to delete Tx ctx in firmware for func 0x%x\n",
1438                                 vf->pci_func);
1439                 else
1440                         vf->rx_ctx_id = 0;
1441         }
1442
1443         qlcnic_free_mbx_args(&cmd);
1444 }
1445
1446 static void qlcnic_sriov_del_tx_ctx(struct qlcnic_adapter *adapter,
1447                                     struct qlcnic_vf_info *vf)
1448 {
1449         struct qlcnic_cmd_args cmd;
1450         int vpid;
1451
1452         if (!vf->tx_ctx_id)
1453                 return;
1454
1455         if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX))
1456                 return;
1457
1458         vpid = qlcnic_sriov_pf_get_vport_handle(adapter, vf->pci_func);
1459         if (vpid >= 0) {
1460                 cmd.req.arg[1] |= vf->tx_ctx_id | (vpid & 0xffff) << 16;
1461                 if (qlcnic_issue_cmd(adapter, &cmd))
1462                         dev_err(&adapter->pdev->dev,
1463                                 "Failed to delete Tx ctx in firmware for func 0x%x\n",
1464                                 vf->pci_func);
1465                 else
1466                         vf->tx_ctx_id = 0;
1467         }
1468
1469         qlcnic_free_mbx_args(&cmd);
1470 }
1471
1472 static int qlcnic_sriov_add_act_list_irqsave(struct qlcnic_sriov *sriov,
1473                                              struct qlcnic_vf_info *vf,
1474                                              struct qlcnic_bc_trans *trans)
1475 {
1476         struct qlcnic_trans_list *t_list = &vf->rcv_act;
1477         unsigned long flag;
1478
1479         spin_lock_irqsave(&t_list->lock, flag);
1480
1481         __qlcnic_sriov_add_act_list(sriov, vf, trans);
1482
1483         spin_unlock_irqrestore(&t_list->lock, flag);
1484         return 0;
1485 }
1486
1487 static void __qlcnic_sriov_process_flr(struct qlcnic_vf_info *vf)
1488 {
1489         struct qlcnic_adapter *adapter = vf->adapter;
1490
1491         qlcnic_sriov_cleanup_list(&vf->rcv_pend);
1492         cancel_work_sync(&vf->trans_work);
1493         qlcnic_sriov_cleanup_list(&vf->rcv_act);
1494
1495         if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
1496                 qlcnic_sriov_del_tx_ctx(adapter, vf);
1497                 qlcnic_sriov_del_rx_ctx(adapter, vf);
1498         }
1499
1500         qlcnic_sriov_pf_config_vport(adapter, 0, vf->pci_func);
1501
1502         clear_bit(QLC_BC_VF_FLR, &vf->state);
1503         if (test_bit(QLC_BC_VF_SOFT_FLR, &vf->state)) {
1504                 qlcnic_sriov_add_act_list_irqsave(adapter->ahw->sriov, vf,
1505                                                   vf->flr_trans);
1506                 clear_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
1507                 vf->flr_trans = NULL;
1508         }
1509 }
1510
1511 static void qlcnic_sriov_pf_process_flr(struct work_struct *work)
1512 {
1513         struct qlcnic_vf_info *vf;
1514
1515         vf = container_of(work, struct qlcnic_vf_info, flr_work);
1516         __qlcnic_sriov_process_flr(vf);
1517         return;
1518 }
1519
1520 static void qlcnic_sriov_schedule_flr(struct qlcnic_sriov *sriov,
1521                                       struct qlcnic_vf_info *vf,
1522                                       work_func_t func)
1523 {
1524         if (test_bit(__QLCNIC_RESETTING, &vf->adapter->state))
1525                 return;
1526
1527         INIT_WORK(&vf->flr_work, func);
1528         queue_work(sriov->bc.bc_flr_wq, &vf->flr_work);
1529 }
1530
1531 static void qlcnic_sriov_handle_soft_flr(struct qlcnic_adapter *adapter,
1532                                          struct qlcnic_bc_trans *trans,
1533                                          struct qlcnic_vf_info *vf)
1534 {
1535         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1536
1537         set_bit(QLC_BC_VF_FLR, &vf->state);
1538         clear_bit(QLC_BC_VF_STATE, &vf->state);
1539         set_bit(QLC_BC_VF_SOFT_FLR, &vf->state);
1540         vf->flr_trans = trans;
1541         qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
1542         netdev_info(adapter->netdev, "Software FLR for PCI func %d\n",
1543                     vf->pci_func);
1544 }
1545
1546 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
1547                                  struct qlcnic_bc_trans *trans,
1548                                  struct qlcnic_vf_info *vf)
1549 {
1550         struct qlcnic_bc_hdr *hdr = trans->req_hdr;
1551
1552         if ((hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) &&
1553             (hdr->op_type == QLC_BC_CMD) &&
1554              test_bit(QLC_BC_VF_STATE, &vf->state)) {
1555                 qlcnic_sriov_handle_soft_flr(adapter, trans, vf);
1556                 return true;
1557         }
1558
1559         return false;
1560 }
1561
1562 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
1563                                 struct qlcnic_vf_info *vf)
1564 {
1565         struct net_device *dev = vf->adapter->netdev;
1566         struct qlcnic_vport *vp = vf->vp;
1567
1568         if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) {
1569                 clear_bit(QLC_BC_VF_FLR, &vf->state);
1570                 return;
1571         }
1572
1573         if (test_and_set_bit(QLC_BC_VF_FLR, &vf->state)) {
1574                 netdev_info(dev, "FLR for PCI func %d in progress\n",
1575                             vf->pci_func);
1576                 return;
1577         }
1578
1579         if (vp->vlan_mode == QLC_GUEST_VLAN_MODE)
1580                 vp->vlan = 0;
1581
1582         qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr);
1583         netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func);
1584 }
1585
1586 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter)
1587 {
1588         struct qlcnic_hardware_context *ahw = adapter->ahw;
1589         struct qlcnic_sriov *sriov = ahw->sriov;
1590         struct qlcnic_vf_info *vf;
1591         u16 num_vfs = sriov->num_vfs;
1592         int i;
1593
1594         for (i = 0; i < num_vfs; i++) {
1595                 vf = &sriov->vf_info[i];
1596                 vf->rx_ctx_id = 0;
1597                 vf->tx_ctx_id = 0;
1598                 cancel_work_sync(&vf->flr_work);
1599                 __qlcnic_sriov_process_flr(vf);
1600                 clear_bit(QLC_BC_VF_STATE, &vf->state);
1601         }
1602
1603         qlcnic_sriov_pf_reset_vport_handle(adapter, ahw->pci_func);
1604         QLCWRX(ahw, QLCNIC_MBX_INTR_ENBL, (ahw->num_msix - 1) << 8);
1605 }
1606
1607 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
1608 {
1609         struct qlcnic_hardware_context *ahw = adapter->ahw;
1610         int err;
1611
1612         if (!qlcnic_sriov_enable_check(adapter))
1613                 return 0;
1614
1615         ahw->op_mode = QLCNIC_SRIOV_PF_FUNC;
1616
1617         err = qlcnic_sriov_pf_init(adapter);
1618         if (err)
1619                 return err;
1620
1621         dev_info(&adapter->pdev->dev, "%s: op_mode %d\n",
1622                  __func__, ahw->op_mode);
1623         return err;
1624 }
1625
1626 int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
1627 {
1628         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1629         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1630         int i, num_vfs;
1631         struct qlcnic_vf_info *vf_info;
1632         u8 *curr_mac;
1633
1634         if (!qlcnic_sriov_pf_check(adapter))
1635                 return -EOPNOTSUPP;
1636
1637         num_vfs = sriov->num_vfs;
1638
1639         if (!is_valid_ether_addr(mac) || vf >= num_vfs)
1640                 return -EINVAL;
1641
1642         if (!compare_ether_addr(adapter->mac_addr, mac)) {
1643                 netdev_err(netdev, "MAC address is already in use by the PF\n");
1644                 return -EINVAL;
1645         }
1646
1647         for (i = 0; i < num_vfs; i++) {
1648                 vf_info = &sriov->vf_info[i];
1649                 if (!compare_ether_addr(vf_info->vp->mac, mac)) {
1650                         netdev_err(netdev,
1651                                    "MAC address is already in use by VF %d\n",
1652                                    i);
1653                         return -EINVAL;
1654                 }
1655         }
1656
1657         vf_info = &sriov->vf_info[vf];
1658         curr_mac = vf_info->vp->mac;
1659
1660         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1661                 netdev_err(netdev,
1662                            "MAC address change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
1663                            vf);
1664                 return -EOPNOTSUPP;
1665         }
1666
1667         memcpy(curr_mac, mac, netdev->addr_len);
1668         netdev_info(netdev, "MAC Address %pM  is configured for VF %d\n",
1669                     mac, vf);
1670         return 0;
1671 }
1672
1673 int qlcnic_sriov_set_vf_tx_rate(struct net_device *netdev, int vf, int tx_rate)
1674 {
1675         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1676         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1677         struct qlcnic_vf_info *vf_info;
1678         struct qlcnic_info nic_info;
1679         struct qlcnic_vport *vp;
1680         u16 vpid;
1681
1682         if (!qlcnic_sriov_pf_check(adapter))
1683                 return -EOPNOTSUPP;
1684
1685         if (vf >= sriov->num_vfs)
1686                 return -EINVAL;
1687
1688         if (tx_rate >= 10000 || tx_rate < 100) {
1689                 netdev_err(netdev,
1690                            "Invalid Tx rate, allowed range is [%d - %d]",
1691                            QLC_VF_MIN_TX_RATE, QLC_VF_MAX_TX_RATE);
1692                 return -EINVAL;
1693         }
1694
1695         if (tx_rate == 0)
1696                 tx_rate = 10000;
1697
1698         vf_info = &sriov->vf_info[vf];
1699         vp = vf_info->vp;
1700         vpid = vp->handle;
1701
1702         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1703                 if (qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, vpid))
1704                         return -EIO;
1705
1706                 nic_info.max_tx_bw = tx_rate / 100;
1707                 nic_info.bit_offsets = BIT_0;
1708
1709                 if (qlcnic_sriov_pf_set_vport_info(adapter, &nic_info, vpid))
1710                         return -EIO;
1711         }
1712
1713         vp->max_tx_bw = tx_rate / 100;
1714         netdev_info(netdev,
1715                     "Setting Tx rate %d (Mbps), %d %% of PF bandwidth, for VF %d\n",
1716                     tx_rate, vp->max_tx_bw, vf);
1717         return 0;
1718 }
1719
1720 int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf,
1721                              u16 vlan, u8 qos)
1722 {
1723         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1724         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1725         struct qlcnic_vf_info *vf_info;
1726         struct qlcnic_vport *vp;
1727
1728         if (!qlcnic_sriov_pf_check(adapter))
1729                 return -EOPNOTSUPP;
1730
1731         if (vf >= sriov->num_vfs || qos > 7)
1732                 return -EINVAL;
1733
1734         if (vlan > MAX_VLAN_ID) {
1735                 netdev_err(netdev,
1736                            "Invalid VLAN ID, allowed range is [0 - %d]\n",
1737                            MAX_VLAN_ID);
1738                 return -EINVAL;
1739         }
1740
1741         vf_info = &sriov->vf_info[vf];
1742         vp = vf_info->vp;
1743         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1744                 netdev_err(netdev,
1745                            "VLAN change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
1746                            vf);
1747                 return -EOPNOTSUPP;
1748         }
1749
1750         switch (vlan) {
1751         case 4095:
1752                 vp->vlan = 0;
1753                 vp->vlan_mode = QLC_GUEST_VLAN_MODE;
1754                 break;
1755         case 0:
1756                 vp->vlan_mode = QLC_NO_VLAN_MODE;
1757                 vp->vlan = 0;
1758                 vp->qos = 0;
1759                 break;
1760         default:
1761                 vp->vlan_mode = QLC_PVID_MODE;
1762                 vp->vlan = vlan;
1763                 vp->qos = qos;
1764         }
1765
1766         netdev_info(netdev, "Setting VLAN %d, QoS %d, for VF %d\n",
1767                     vlan, qos, vf);
1768         return 0;
1769 }
1770
1771 static inline __u32 qlcnic_sriov_get_vf_vlan(struct qlcnic_adapter *adapter,
1772                                              struct qlcnic_vport *vp, int vf)
1773 {
1774         __u32 vlan = 0;
1775
1776         switch (vp->vlan_mode) {
1777         case QLC_PVID_MODE:
1778                 vlan = vp->vlan;
1779                 break;
1780         case QLC_GUEST_VLAN_MODE:
1781                 vlan = MAX_VLAN_ID;
1782                 break;
1783         case QLC_NO_VLAN_MODE:
1784                 vlan = 0;
1785                 break;
1786         default:
1787                 netdev_info(adapter->netdev, "Invalid VLAN mode = %d for VF %d\n",
1788                             vp->vlan_mode, vf);
1789         }
1790
1791         return vlan;
1792 }
1793
1794 int qlcnic_sriov_get_vf_config(struct net_device *netdev,
1795                                int vf, struct ifla_vf_info *ivi)
1796 {
1797         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1798         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1799         struct qlcnic_vport *vp;
1800
1801         if (!qlcnic_sriov_pf_check(adapter))
1802                 return -EOPNOTSUPP;
1803
1804         if (vf >= sriov->num_vfs)
1805                 return -EINVAL;
1806
1807         vp = sriov->vf_info[vf].vp;
1808         memcpy(&ivi->mac, vp->mac, ETH_ALEN);
1809         ivi->vlan = qlcnic_sriov_get_vf_vlan(adapter, vp, vf);
1810         ivi->qos = vp->qos;
1811         ivi->spoofchk = vp->spoofchk;
1812         if (vp->max_tx_bw == MAX_BW)
1813                 ivi->tx_rate = 0;
1814         else
1815                 ivi->tx_rate = vp->max_tx_bw * 100;
1816
1817         ivi->vf = vf;
1818         return 0;
1819 }
1820
1821 int qlcnic_sriov_set_vf_spoofchk(struct net_device *netdev, int vf, bool chk)
1822 {
1823         struct qlcnic_adapter *adapter = netdev_priv(netdev);
1824         struct qlcnic_sriov *sriov = adapter->ahw->sriov;
1825         struct qlcnic_vf_info *vf_info;
1826         struct qlcnic_vport *vp;
1827
1828         if (!qlcnic_sriov_pf_check(adapter))
1829                 return -EOPNOTSUPP;
1830
1831         if (vf >= sriov->num_vfs)
1832                 return -EINVAL;
1833
1834         vf_info = &sriov->vf_info[vf];
1835         vp = vf_info->vp;
1836         if (test_bit(QLC_BC_VF_STATE, &vf_info->state)) {
1837                 netdev_err(netdev,
1838                            "Spoof check change failed for VF %d, as VF driver is loaded. Please unload VF driver and retry the operation\n",
1839                            vf);
1840                 return -EOPNOTSUPP;
1841         }
1842
1843         vp->spoofchk = chk;
1844         return 0;
1845 }