drivers/net/ethernet/huawei/hinic/hinic_sriov.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /* Huawei HiNIC PCI Express Linux driver
   3  * Copyright(c) 2017 Huawei Technologies Co., Ltd
   4  */
   5
   6 #include <linux/pci.h>
   7 #include <linux/if_vlan.h>
   8 #include <linux/interrupt.h>
   9 #include <linux/etherdevice.h>
  10 #include <linux/netdevice.h>
  11 #include <linux/module.h>
  12
  13 #include "hinic_hw_dev.h"
  14 #include "hinic_dev.h"
  15 #include "hinic_hw_mbox.h"
  16 #include "hinic_hw_cmdq.h"
  17 #include "hinic_port.h"
  18 #include "hinic_sriov.h"
  19
  20 static unsigned char set_vf_link_state;
  21 module_param(set_vf_link_state, byte, 0444);
  22 MODULE_PARM_DESC(set_vf_link_state, "Set vf link state, 0 represents link auto, 1 represents link always up, 2 represents link always down. - default is 0.");
  23
  24 #define HINIC_VLAN_PRIORITY_SHIFT 13
  25 #define HINIC_ADD_VLAN_IN_MAC 0x8000
  26 #define HINIC_TX_RATE_TABLE_FULL 12
  27 #define HINIC_MAX_QOS 7
  28
  29 static int hinic_set_mac(struct hinic_hwdev *hwdev, const u8 *mac_addr,
  30                          u16 vlan_id, u16 func_id)
  31 {
  32         struct hinic_port_mac_cmd mac_info = {0};
  33         u16 out_size = sizeof(mac_info);
  34         int err;
  35
  36         mac_info.func_idx = func_id;
  37         mac_info.vlan_id = vlan_id;
  38         memcpy(mac_info.mac, mac_addr, ETH_ALEN);
  39
  40         err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_MAC, &mac_info,
  41                                  sizeof(mac_info), &mac_info, &out_size);
  42         if (err || out_size != sizeof(mac_info) ||
  43             (mac_info.status && mac_info.status != HINIC_MGMT_STATUS_EXIST)) {
  44                 dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set MAC, err: %d, status: 0x%x, out size: 0x%x\n",
  45                         err, mac_info.status, out_size);
  46                 return -EIO;
  47         }
  48
  49         return 0;
  50 }
  51
  52 static void hinic_notify_vf_link_status(struct hinic_hwdev *hwdev, u16 vf_id,
  53                                         u8 link_status)
  54 {
  55         struct vf_data_storage *vf_infos = hwdev->func_to_io.vf_infos;
  56         struct hinic_port_link_status link = {0};
  57         u16 out_size = sizeof(link);
  58         int err;
  59
  60         if (vf_infos[HW_VF_ID_TO_OS(vf_id)].registered) {
  61                 link.link = link_status;
  62                 link.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
  63                 err = hinic_mbox_to_vf(hwdev, HINIC_MOD_L2NIC,
  64                                        vf_id, HINIC_PORT_CMD_LINK_STATUS_REPORT,
  65                                        &link, sizeof(link),
  66                                        &link, &out_size, 0);
  67                 if (err || !out_size || link.status)
  68                         dev_err(&hwdev->hwif->pdev->dev,
  69                                 "Send link change event to VF %d failed, err: %d, status: 0x%x, out_size: 0x%x\n",
  70                                 HW_VF_ID_TO_OS(vf_id), err,
  71                                 link.status, out_size);
  72         }
  73 }
  74
  75 /* send link change event mbox msg to active vfs under the pf */
  76 void hinic_notify_all_vfs_link_changed(struct hinic_hwdev *hwdev,
  77                                        u8 link_status)
  78 {
  79         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
  80         u16 i;
  81
  82         nic_io->link_status = link_status;
  83         for (i = 1; i <= nic_io->max_vfs; i++) {
  84                 if (!nic_io->vf_infos[HW_VF_ID_TO_OS(i)].link_forced)
  85                         hinic_notify_vf_link_status(hwdev, i,  link_status);
  86         }
  87 }
  88
  89 static u16 hinic_vf_info_vlanprio(struct hinic_hwdev *hwdev, int vf_id)
  90 {
  91         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
  92         u16 pf_vlan, vlanprio;
  93         u8 pf_qos;
  94
  95         pf_vlan = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan;
  96         pf_qos = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos;
  97         vlanprio = pf_vlan | pf_qos << HINIC_VLAN_PRIORITY_SHIFT;
  98
  99         return vlanprio;
 100 }
 101
 102 static int hinic_set_vf_vlan(struct hinic_hwdev *hwdev, bool add, u16 vid,
 103                              u8 qos, int vf_id)
 104 {
 105         struct hinic_vf_vlan_config vf_vlan = {0};
 106         u16 out_size = sizeof(vf_vlan);
 107         int err;
 108         u8 cmd;
 109
 110         /* VLAN 0 is a special case, don't allow it to be removed */
 111         if (!vid && !add)
 112                 return 0;
 113
 114         vf_vlan.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
 115         vf_vlan.vlan_id = vid;
 116         vf_vlan.qos = qos;
 117
 118         if (add)
 119                 cmd = HINIC_PORT_CMD_SET_VF_VLAN;
 120         else
 121                 cmd = HINIC_PORT_CMD_CLR_VF_VLAN;
 122
 123         err = hinic_port_msg_cmd(hwdev, cmd, &vf_vlan,
 124                                  sizeof(vf_vlan), &vf_vlan, &out_size);
 125         if (err || !out_size || vf_vlan.status) {
 126                 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d vlan, err: %d, status: 0x%x, out size: 0x%x\n",
 127                         HW_VF_ID_TO_OS(vf_id), err, vf_vlan.status, out_size);
 128                 return -EFAULT;
 129         }
 130
 131         return 0;
 132 }
 133
 134 static int hinic_set_vf_tx_rate_max_min(struct hinic_hwdev *hwdev, u16 vf_id,
 135                                         u32 max_rate, u32 min_rate)
 136 {
 137         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
 138         struct hinic_tx_rate_cfg_max_min rate_cfg = {0};
 139         u16 out_size = sizeof(rate_cfg);
 140         int err;
 141
 142         rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
 143         rate_cfg.max_rate = max_rate;
 144         rate_cfg.min_rate = min_rate;
 145         err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE,
 146                                  &rate_cfg, sizeof(rate_cfg), &rate_cfg,
 147                                  &out_size);
 148         if ((rate_cfg.status != HINIC_MGMT_CMD_UNSUPPORTED &&
 149              rate_cfg.status) || err || !out_size) {
 150                 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) max rate(%d), min rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
 151                         HW_VF_ID_TO_OS(vf_id), max_rate, min_rate, err,
 152                         rate_cfg.status, out_size);
 153                 return -EIO;
 154         }
 155
 156         if (!rate_cfg.status) {
 157                 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = max_rate;
 158                 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = min_rate;
 159         }
 160
 161         return rate_cfg.status;
 162 }
 163
 164 static int hinic_set_vf_rate_limit(struct hinic_hwdev *hwdev, u16 vf_id,
 165                                    u32 tx_rate)
 166 {
 167         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
 168         struct hinic_tx_rate_cfg rate_cfg = {0};
 169         u16 out_size = sizeof(rate_cfg);
 170         int err;
 171
 172         rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
 173         rate_cfg.tx_rate = tx_rate;
 174         err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_RATE,
 175                                  &rate_cfg, sizeof(rate_cfg), &rate_cfg,
 176                                  &out_size);
 177         if (err || !out_size || rate_cfg.status) {
 178                 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
 179                         HW_VF_ID_TO_OS(vf_id), tx_rate, err, rate_cfg.status,
 180                         out_size);
 181                 if (rate_cfg.status)
 182                         return rate_cfg.status;
 183
 184                 return -EIO;
 185         }
 186
 187         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = tx_rate;
 188         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = 0;
 189
 190         return 0;
 191 }
 192
 193 static int hinic_set_vf_tx_rate(struct hinic_hwdev *hwdev, u16 vf_id,
 194                                 u32 max_rate, u32 min_rate)
 195 {
 196         int err;
 197
 198         err = hinic_set_vf_tx_rate_max_min(hwdev, vf_id, max_rate, min_rate);
 199         if (err != HINIC_MGMT_CMD_UNSUPPORTED)
 200                 return err;
 201
 202         if (min_rate) {
 203                 dev_err(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate\n");
 204                 return -EOPNOTSUPP;
 205         }
 206
 207         dev_info(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate, force min_tx_rate = max_tx_rate\n");
 208
 209         return hinic_set_vf_rate_limit(hwdev, vf_id, max_rate);
 210 }
 211
 212 static int hinic_init_vf_config(struct hinic_hwdev *hwdev, u16 vf_id)
 213 {
 214         struct vf_data_storage *vf_info;
 215         u16 func_id, vlan_id;
 216         int err = 0;
 217
 218         vf_info = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
 219         if (vf_info->pf_set_mac) {
 220                 func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
 221
 222                 vlan_id = 0;
 223
 224                 err = hinic_set_mac(hwdev, vf_info->vf_mac_addr, vlan_id,
 225                                     func_id);
 226                 if (err) {
 227                         dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set VF %d MAC\n",
 228                                 HW_VF_ID_TO_OS(vf_id));
 229                         return err;
 230                 }
 231         }
 232
 233         if (hinic_vf_info_vlanprio(hwdev, vf_id)) {
 234                 err = hinic_set_vf_vlan(hwdev, true, vf_info->pf_vlan,
 235                                         vf_info->pf_qos, vf_id);
 236                 if (err) {
 237                         dev_err(&hwdev->hwif->pdev->dev, "Failed to add VF %d VLAN_QOS\n",
 238                                 HW_VF_ID_TO_OS(vf_id));
 239                         return err;
 240                 }
 241         }
 242
 243         if (vf_info->max_rate) {
 244                 err = hinic_set_vf_tx_rate(hwdev, vf_id, vf_info->max_rate,
 245                                            vf_info->min_rate);
 246                 if (err) {
 247                         dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d max rate: %d, min rate: %d\n",
 248                                 HW_VF_ID_TO_OS(vf_id), vf_info->max_rate,
 249                                 vf_info->min_rate);
 250                         return err;
 251                 }
 252         }
 253
 254         return 0;
 255 }
 256
 257 static int hinic_register_vf_msg_handler(void *hwdev, u16 vf_id,
 258                                          void *buf_in, u16 in_size,
 259                                          void *buf_out, u16 *out_size)
 260 {
 261         struct hinic_register_vf *register_info = buf_out;
 262         struct hinic_hwdev *hw_dev = hwdev;
 263         struct hinic_func_to_io *nic_io;
 264         int err;
 265
 266         nic_io = &hw_dev->func_to_io;
 267         if (vf_id > nic_io->max_vfs) {
 268                 dev_err(&hw_dev->hwif->pdev->dev, "Register VF id %d exceed limit[0-%d]\n",
 269                         HW_VF_ID_TO_OS(vf_id), HW_VF_ID_TO_OS(nic_io->max_vfs));
 270                 register_info->status = EFAULT;
 271                 return -EFAULT;
 272         }
 273
 274         *out_size = sizeof(*register_info);
 275         err = hinic_init_vf_config(hw_dev, vf_id);
 276         if (err) {
 277                 register_info->status = EFAULT;
 278                 return err;
 279         }
 280
 281         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = true;
 282
 283         return 0;
 284 }
 285
 286 static int hinic_unregister_vf_msg_handler(void *hwdev, u16 vf_id,
 287                                            void *buf_in, u16 in_size,
 288                                            void *buf_out, u16 *out_size)
 289 {
 290         struct hinic_hwdev *hw_dev = hwdev;
 291         struct hinic_func_to_io *nic_io;
 292
 293         nic_io = &hw_dev->func_to_io;
 294         *out_size = 0;
 295         if (vf_id > nic_io->max_vfs)
 296                 return 0;
 297
 298         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = false;
 299
 300         return 0;
 301 }
 302
 303 static int hinic_change_vf_mtu_msg_handler(void *hwdev, u16 vf_id,
 304                                            void *buf_in, u16 in_size,
 305                                            void *buf_out, u16 *out_size)
 306 {
 307         struct hinic_hwdev *hw_dev = hwdev;
 308         int err;
 309
 310         err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU, buf_in,
 311                                  in_size, buf_out, out_size);
 312         if (err) {
 313                 dev_err(&hw_dev->hwif->pdev->dev, "Failed to set VF %u mtu\n",
 314                         vf_id);
 315                 return err;
 316         }
 317
 318         return 0;
 319 }
 320
 321 static int hinic_get_vf_mac_msg_handler(void *hwdev, u16 vf_id,
 322                                         void *buf_in, u16 in_size,
 323                                         void *buf_out, u16 *out_size)
 324 {
 325         struct hinic_port_mac_cmd *mac_info = buf_out;
 326         struct hinic_hwdev *dev = hwdev;
 327         struct hinic_func_to_io *nic_io;
 328         struct vf_data_storage *vf_info;
 329
 330         nic_io = &dev->func_to_io;
 331         vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
 332
 333         memcpy(mac_info->mac, vf_info->vf_mac_addr, ETH_ALEN);
 334         mac_info->status = 0;
 335         *out_size = sizeof(*mac_info);
 336
 337         return 0;
 338 }
 339
 340 static int hinic_set_vf_mac_msg_handler(void *hwdev, u16 vf_id,
 341                                         void *buf_in, u16 in_size,
 342                                         void *buf_out, u16 *out_size)
 343 {
 344         struct hinic_port_mac_cmd *mac_out = buf_out;
 345         struct hinic_port_mac_cmd *mac_in = buf_in;
 346         struct hinic_hwdev *hw_dev = hwdev;
 347         struct hinic_func_to_io *nic_io;
 348         struct vf_data_storage *vf_info;
 349         int err;
 350
 351         nic_io =  &hw_dev->func_to_io;
 352         vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
 353         if (vf_info->pf_set_mac && !(vf_info->trust) &&
 354             is_valid_ether_addr(mac_in->mac)) {
 355                 dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF %d MAC address\n",
 356                          HW_VF_ID_TO_OS(vf_id));
 357                 mac_out->status = HINIC_PF_SET_VF_ALREADY;
 358                 *out_size = sizeof(*mac_out);
 359                 return 0;
 360         }
 361
 362         err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_SET_MAC, buf_in,
 363                                  in_size, buf_out, out_size);
 364         if ((err &&  err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
 365                 dev_err(&hw_dev->hwif->pdev->dev,
 366                         "Failed to set VF %d MAC address, err: %d, status: 0x%x, out size: 0x%x\n",
 367                         HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
 368                 return -EFAULT;
 369         }
 370
 371         return err;
 372 }
 373
 374 static int hinic_del_vf_mac_msg_handler(void *hwdev, u16 vf_id,
 375                                         void *buf_in, u16 in_size,
 376                                         void *buf_out, u16 *out_size)
 377 {
 378         struct hinic_port_mac_cmd *mac_out = buf_out;
 379         struct hinic_port_mac_cmd *mac_in = buf_in;
 380         struct hinic_hwdev *hw_dev = hwdev;
 381         struct hinic_func_to_io *nic_io;
 382         struct vf_data_storage *vf_info;
 383         int err;
 384
 385         nic_io = &hw_dev->func_to_io;
 386         vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
 387         if (vf_info->pf_set_mac && is_valid_ether_addr(mac_in->mac) &&
 388             !memcmp(vf_info->vf_mac_addr, mac_in->mac, ETH_ALEN)) {
 389                 dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF mac.\n");
 390                 mac_out->status = HINIC_PF_SET_VF_ALREADY;
 391                 *out_size = sizeof(*mac_out);
 392                 return 0;
 393         }
 394
 395         err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_DEL_MAC, buf_in,
 396                                  in_size, buf_out, out_size);
 397         if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
 398                 dev_err(&hw_dev->hwif->pdev->dev, "Failed to delete VF %d MAC, err: %d, status: 0x%x, out size: 0x%x\n",
 399                         HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
 400                 return -EFAULT;
 401         }
 402
 403         return err;
 404 }
 405
 406 static int hinic_get_vf_link_status_msg_handler(void *hwdev, u16 vf_id,
 407                                                 void *buf_in, u16 in_size,
 408                                                 void *buf_out, u16 *out_size)
 409 {
 410         struct hinic_port_link_cmd *get_link = buf_out;
 411         struct hinic_hwdev *hw_dev = hwdev;
 412         struct vf_data_storage *vf_infos;
 413         struct hinic_func_to_io *nic_io;
 414         bool link_forced, link_up;
 415
 416         nic_io = &hw_dev->func_to_io;
 417         vf_infos = nic_io->vf_infos;
 418         link_forced = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced;
 419         link_up = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up;
 420
 421         if (link_forced)
 422                 get_link->state = link_up ?
 423                         HINIC_LINK_STATE_UP : HINIC_LINK_STATE_DOWN;
 424         else
 425                 get_link->state = nic_io->link_status;
 426
 427         get_link->status = 0;
 428         *out_size = sizeof(*get_link);
 429
 430         return 0;
 431 }
 432
 433 static bool check_func_table(struct hinic_hwdev *hwdev, u16 func_idx,
 434                              void *buf_in, u16 in_size)
 435 {
 436         struct hinic_cmd_fw_ctxt *function_table = buf_in;
 437
 438         if (!hinic_mbox_check_func_id_8B(hwdev, func_idx, buf_in, in_size) ||
 439             !function_table->rx_buf_sz)
 440                 return false;
 441
 442         return true;
 443 }
 444
 445 static struct vf_cmd_msg_handle nic_vf_cmd_msg_handler[] = {
 446         {HINIC_PORT_CMD_VF_REGISTER, hinic_register_vf_msg_handler},
 447         {HINIC_PORT_CMD_VF_UNREGISTER, hinic_unregister_vf_msg_handler},
 448         {HINIC_PORT_CMD_CHANGE_MTU, hinic_change_vf_mtu_msg_handler},
 449         {HINIC_PORT_CMD_GET_MAC, hinic_get_vf_mac_msg_handler},
 450         {HINIC_PORT_CMD_SET_MAC, hinic_set_vf_mac_msg_handler},
 451         {HINIC_PORT_CMD_DEL_MAC, hinic_del_vf_mac_msg_handler},
 452         {HINIC_PORT_CMD_GET_LINK_STATE, hinic_get_vf_link_status_msg_handler},
 453 };
 454
 455 static struct vf_cmd_check_handle nic_cmd_support_vf[] = {
 456         {HINIC_PORT_CMD_VF_REGISTER, NULL},
 457         {HINIC_PORT_CMD_VF_UNREGISTER, NULL},
 458         {HINIC_PORT_CMD_CHANGE_MTU, hinic_mbox_check_func_id_8B},
 459         {HINIC_PORT_CMD_ADD_VLAN, hinic_mbox_check_func_id_8B},
 460         {HINIC_PORT_CMD_DEL_VLAN, hinic_mbox_check_func_id_8B},
 461         {HINIC_PORT_CMD_SET_MAC, hinic_mbox_check_func_id_8B},
 462         {HINIC_PORT_CMD_GET_MAC, hinic_mbox_check_func_id_8B},
 463         {HINIC_PORT_CMD_DEL_MAC, hinic_mbox_check_func_id_8B},
 464         {HINIC_PORT_CMD_SET_RX_MODE, hinic_mbox_check_func_id_8B},
 465         {HINIC_PORT_CMD_GET_PAUSE_INFO, hinic_mbox_check_func_id_8B},
 466         {HINIC_PORT_CMD_GET_LINK_STATE, hinic_mbox_check_func_id_8B},
 467         {HINIC_PORT_CMD_SET_LRO, hinic_mbox_check_func_id_8B},
 468         {HINIC_PORT_CMD_SET_RX_CSUM, hinic_mbox_check_func_id_8B},
 469         {HINIC_PORT_CMD_SET_RX_VLAN_OFFLOAD, hinic_mbox_check_func_id_8B},
 470         {HINIC_PORT_CMD_GET_VPORT_STAT, hinic_mbox_check_func_id_8B},
 471         {HINIC_PORT_CMD_CLEAN_VPORT_STAT, hinic_mbox_check_func_id_8B},
 472         {HINIC_PORT_CMD_GET_RSS_TEMPLATE_INDIR_TBL,
 473          hinic_mbox_check_func_id_8B},
 474         {HINIC_PORT_CMD_SET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B},
 475         {HINIC_PORT_CMD_GET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B},
 476         {HINIC_PORT_CMD_SET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B},
 477         {HINIC_PORT_CMD_GET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B},
 478         {HINIC_PORT_CMD_GET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B},
 479         {HINIC_PORT_CMD_SET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B},
 480         {HINIC_PORT_CMD_RSS_TEMP_MGR, hinic_mbox_check_func_id_8B},
 481         {HINIC_PORT_CMD_RSS_CFG, hinic_mbox_check_func_id_8B},
 482         {HINIC_PORT_CMD_FWCTXT_INIT, check_func_table},
 483         {HINIC_PORT_CMD_GET_MGMT_VERSION, NULL},
 484         {HINIC_PORT_CMD_SET_FUNC_STATE, hinic_mbox_check_func_id_8B},
 485         {HINIC_PORT_CMD_GET_GLOBAL_QPN, hinic_mbox_check_func_id_8B},
 486         {HINIC_PORT_CMD_SET_TSO, hinic_mbox_check_func_id_8B},
 487         {HINIC_PORT_CMD_SET_RQ_IQ_MAP, hinic_mbox_check_func_id_8B},
 488         {HINIC_PORT_CMD_LINK_STATUS_REPORT, hinic_mbox_check_func_id_8B},
 489         {HINIC_PORT_CMD_UPDATE_MAC, hinic_mbox_check_func_id_8B},
 490         {HINIC_PORT_CMD_GET_CAP, hinic_mbox_check_func_id_8B},
 491         {HINIC_PORT_CMD_GET_LINK_MODE, hinic_mbox_check_func_id_8B},
 492 };
 493
 494 #define CHECK_IPSU_15BIT        0X8000
 495
 496 static
 497 struct hinic_sriov_info *hinic_get_sriov_info_by_pcidev(struct pci_dev *pdev)
 498 {
 499         struct net_device *netdev = pci_get_drvdata(pdev);
 500         struct hinic_dev *nic_dev = netdev_priv(netdev);
 501
 502         return &nic_dev->sriov_info;
 503 }
 504
 505 static int hinic_check_mac_info(u8 status, u16 vlan_id)
 506 {
 507         if ((status && status != HINIC_MGMT_STATUS_EXIST) ||
 508             (vlan_id & CHECK_IPSU_15BIT &&
 509              status == HINIC_MGMT_STATUS_EXIST))
 510                 return -EINVAL;
 511
 512         return 0;
 513 }
 514
 515 #define HINIC_VLAN_ID_MASK      0x7FFF
 516
 517 static int hinic_update_mac(struct hinic_hwdev *hwdev, u8 *old_mac,
 518                             u8 *new_mac, u16 vlan_id, u16 func_id)
 519 {
 520         struct hinic_port_mac_update mac_info = {0};
 521         u16 out_size = sizeof(mac_info);
 522         int err;
 523
 524         if (!hwdev || !old_mac || !new_mac)
 525                 return -EINVAL;
 526
 527         if ((vlan_id & HINIC_VLAN_ID_MASK) >= VLAN_N_VID) {
 528                 dev_err(&hwdev->hwif->pdev->dev, "Invalid VLAN number: %d\n",
 529                         (vlan_id & HINIC_VLAN_ID_MASK));
 530                 return -EINVAL;
 531         }
 532
 533         mac_info.func_id = func_id;
 534         mac_info.vlan_id = vlan_id;
 535         memcpy(mac_info.old_mac, old_mac, ETH_ALEN);
 536         memcpy(mac_info.new_mac, new_mac, ETH_ALEN);
 537
 538         err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_UPDATE_MAC, &mac_info,
 539                                  sizeof(mac_info), &mac_info, &out_size);
 540
 541         if (err || !out_size ||
 542             hinic_check_mac_info(mac_info.status, mac_info.vlan_id)) {
 543                 dev_err(&hwdev->hwif->pdev->dev,
 544                         "Failed to update MAC, err: %d, status: 0x%x, out size: 0x%x\n",
 545                         err, mac_info.status, out_size);
 546                 return -EINVAL;
 547         }
 548
 549         if (mac_info.status == HINIC_MGMT_STATUS_EXIST)
 550                 dev_warn(&hwdev->hwif->pdev->dev, "MAC is repeated. Ignore update operation\n");
 551
 552         return 0;
 553 }
 554
 555 static void hinic_get_vf_config(struct hinic_hwdev *hwdev, u16 vf_id,
 556                                 struct ifla_vf_info *ivi)
 557 {
 558         struct vf_data_storage *vfinfo;
 559
 560         vfinfo = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
 561
 562         ivi->vf = HW_VF_ID_TO_OS(vf_id);
 563         memcpy(ivi->mac, vfinfo->vf_mac_addr, ETH_ALEN);
 564         ivi->vlan = vfinfo->pf_vlan;
 565         ivi->qos = vfinfo->pf_qos;
 566         ivi->spoofchk = vfinfo->spoofchk;
 567         ivi->trusted = vfinfo->trust;
 568         ivi->max_tx_rate = vfinfo->max_rate;
 569         ivi->min_tx_rate = vfinfo->min_rate;
 570
 571         if (!vfinfo->link_forced)
 572                 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
 573         else if (vfinfo->link_up)
 574                 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
 575         else
 576                 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
 577 }
 578
 579 int hinic_ndo_get_vf_config(struct net_device *netdev,
 580                             int vf, struct ifla_vf_info *ivi)
 581 {
 582         struct hinic_dev *nic_dev = netdev_priv(netdev);
 583         struct hinic_sriov_info *sriov_info;
 584
 585         sriov_info = &nic_dev->sriov_info;
 586         if (vf >= sriov_info->num_vfs)
 587                 return -EINVAL;
 588
 589         hinic_get_vf_config(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), ivi);
 590
 591         return 0;
 592 }
 593
 594 static int hinic_set_vf_mac(struct hinic_hwdev *hwdev, int vf,
 595                             unsigned char *mac_addr)
 596 {
 597         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
 598         struct vf_data_storage *vf_info;
 599         u16 func_id;
 600         int err;
 601
 602         vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf);
 603
 604         /* duplicate request, so just return success */
 605         if (vf_info->pf_set_mac &&
 606             !memcmp(vf_info->vf_mac_addr, mac_addr, ETH_ALEN))
 607                 return 0;
 608
 609         vf_info->pf_set_mac = true;
 610
 611         func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf;
 612         err = hinic_update_mac(hwdev, vf_info->vf_mac_addr,
 613                                mac_addr, 0, func_id);
 614         if (err) {
 615                 vf_info->pf_set_mac = false;
 616                 return err;
 617         }
 618
 619         memcpy(vf_info->vf_mac_addr, mac_addr, ETH_ALEN);
 620
 621         return 0;
 622 }
 623
 624 int hinic_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
 625 {
 626         struct hinic_dev *nic_dev = netdev_priv(netdev);
 627         struct hinic_sriov_info *sriov_info;
 628         int err;
 629
 630         sriov_info = &nic_dev->sriov_info;
 631         if (!is_valid_ether_addr(mac) || vf >= sriov_info->num_vfs)
 632                 return -EINVAL;
 633
 634         err = hinic_set_vf_mac(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), mac);
 635         if (err)
 636                 return err;
 637
 638         netif_info(nic_dev, drv, netdev, "Setting MAC %pM on VF %d\n", mac, vf);
 639         netif_info(nic_dev, drv, netdev, "Reload the VF driver to make this change effective.");
 640
 641         return 0;
 642 }
 643
 644 static int hinic_add_vf_vlan(struct hinic_hwdev *hwdev, int vf_id,
 645                              u16 vlan, u8 qos)
 646 {
 647         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
 648         int err;
 649
 650         err = hinic_set_vf_vlan(hwdev, true, vlan, qos, vf_id);
 651         if (err)
 652                 return err;
 653
 654         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = vlan;
 655         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = qos;
 656
 657         dev_info(&hwdev->hwif->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
 658                  vlan, qos, HW_VF_ID_TO_OS(vf_id));
 659         return 0;
 660 }
 661
 662 static int hinic_kill_vf_vlan(struct hinic_hwdev *hwdev, int vf_id)
 663 {
 664         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
 665         int err;
 666
 667         err = hinic_set_vf_vlan(hwdev, false,
 668                                 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
 669                                 nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos,
 670                                 vf_id);
 671         if (err)
 672                 return err;
 673
 674         dev_info(&hwdev->hwif->pdev->dev, "Remove VLAN %d on VF %d\n",
 675                  nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
 676                  HW_VF_ID_TO_OS(vf_id));
 677
 678         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = 0;
 679         nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = 0;
 680
 681         return 0;
 682 }
 683
 684 static int hinic_update_mac_vlan(struct hinic_dev *nic_dev, u16 old_vlan,
 685                                  u16 new_vlan, int vf_id)
 686 {
 687         struct vf_data_storage *vf_info;
 688         u16 vlan_id;
 689         int err;
 690
 691         if (!nic_dev || old_vlan >= VLAN_N_VID || new_vlan >= VLAN_N_VID)
 692                 return -EINVAL;
 693
 694         vf_info = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
 695         if (!vf_info->pf_set_mac)
 696                 return 0;
 697
 698         vlan_id = old_vlan;
 699         if (vlan_id)
 700                 vlan_id |= HINIC_ADD_VLAN_IN_MAC;
 701
 702         err = hinic_port_del_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
 703         if (err) {
 704                 dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to delete VF %d MAC %pM vlan %d\n",
 705                         HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, old_vlan);
 706                 return err;
 707         }
 708
 709         vlan_id = new_vlan;
 710         if (vlan_id)
 711                 vlan_id |= HINIC_ADD_VLAN_IN_MAC;
 712
 713         err = hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
 714         if (err) {
 715                 dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to add VF %d MAC %pM vlan %d\n",
 716                         HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, new_vlan);
 717                 goto out;
 718         }
 719
 720         return 0;
 721
 722 out:
 723         vlan_id = old_vlan;
 724         if (vlan_id)
 725                 vlan_id |= HINIC_ADD_VLAN_IN_MAC;
 726         hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
 727
 728         return err;
 729 }
 730
 731 static int set_hw_vf_vlan(struct hinic_dev *nic_dev,
 732                           u16 cur_vlanprio, int vf, u16 vlan, u8 qos)
 733 {
 734         u16 old_vlan = cur_vlanprio & VLAN_VID_MASK;
 735         int err = 0;
 736
 737         if (vlan || qos) {
 738                 if (cur_vlanprio) {
 739                         err = hinic_kill_vf_vlan(nic_dev->hwdev,
 740                                                  OS_VF_ID_TO_HW(vf));
 741                         if (err) {
 742                                 dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d old vlan %d\n",
 743                                         vf, old_vlan);
 744                                 goto out;
 745                         }
 746                 }
 747                 err = hinic_add_vf_vlan(nic_dev->hwdev,
 748                                         OS_VF_ID_TO_HW(vf), vlan, qos);
 749                 if (err) {
 750                         dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to add vf %d new vlan %d\n",
 751                                 vf, vlan);
 752                         goto out;
 753                 }
 754         } else {
 755                 err = hinic_kill_vf_vlan(nic_dev->hwdev, OS_VF_ID_TO_HW(vf));
 756                 if (err) {
 757                         dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d vlan %d\n",
 758                                 vf, old_vlan);
 759                         goto out;
 760                 }
 761         }
 762
 763         err = hinic_update_mac_vlan(nic_dev, old_vlan, vlan,
 764                                     OS_VF_ID_TO_HW(vf));
 765
 766 out:
 767         return err;
 768 }
 769
 770 int hinic_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
 771                           __be16 vlan_proto)
 772 {
 773         struct hinic_dev *nic_dev = netdev_priv(netdev);
 774         struct hinic_sriov_info *sriov_info;
 775         u16 vlanprio, cur_vlanprio;
 776
 777         sriov_info = &nic_dev->sriov_info;
 778         if (vf >= sriov_info->num_vfs || vlan >= VLAN_N_VID || qos > HINIC_MAX_QOS)
 779                 return -EINVAL;
 780         if (vlan_proto != htons(ETH_P_8021Q))
 781                 return -EPROTONOSUPPORT;
 782         vlanprio = vlan | qos << HINIC_VLAN_PRIORITY_SHIFT;
 783         cur_vlanprio = hinic_vf_info_vlanprio(nic_dev->hwdev,
 784                                               OS_VF_ID_TO_HW(vf));
 785         /* duplicate request, so just return success */
 786         if (vlanprio == cur_vlanprio)
 787                 return 0;
 788
 789         return set_hw_vf_vlan(nic_dev, cur_vlanprio, vf, vlan, qos);
 790 }
 791
 792 static int hinic_set_vf_trust(struct hinic_hwdev *hwdev, u16 vf_id,
 793                               bool trust)
 794 {
 795         struct vf_data_storage *vf_infos;
 796         struct hinic_func_to_io *nic_io;
 797
 798         if (!hwdev)
 799                 return -EINVAL;
 800
 801         nic_io = &hwdev->func_to_io;
 802         vf_infos = nic_io->vf_infos;
 803         vf_infos[vf_id].trust = trust;
 804
 805         return 0;
 806 }
 807
 808 int hinic_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
 809 {
 810         struct hinic_dev *adapter = netdev_priv(netdev);
 811         struct hinic_sriov_info *sriov_info;
 812         struct hinic_func_to_io *nic_io;
 813         bool cur_trust;
 814         int err;
 815
 816         sriov_info = &adapter->sriov_info;
 817         nic_io = &adapter->hwdev->func_to_io;
 818
 819         if (vf >= sriov_info->num_vfs)
 820                 return -EINVAL;
 821
 822         cur_trust = nic_io->vf_infos[vf].trust;
 823         /* same request, so just return success */
 824         if (setting == cur_trust)
 825                 return 0;
 826
 827         err = hinic_set_vf_trust(adapter->hwdev, vf, setting);
 828         if (!err)
 829                 dev_info(&sriov_info->pdev->dev, "Set VF %d trusted %s succeed\n",
 830                          vf, setting ? "on" : "off");
 831         else
 832                 dev_err(&sriov_info->pdev->dev, "Failed set VF %d trusted %s\n",
 833                         vf, setting ? "on" : "off");
 834
 835         return err;
 836 }
 837
 838 int hinic_ndo_set_vf_bw(struct net_device *netdev,
 839                         int vf, int min_tx_rate, int max_tx_rate)
 840 {
 841         static const u32 speeds[] = {
 842                 SPEED_10, SPEED_100, SPEED_1000, SPEED_10000,
 843                 SPEED_25000, SPEED_40000, SPEED_100000
 844         };
 845         struct hinic_dev *nic_dev = netdev_priv(netdev);
 846         struct hinic_port_cap port_cap = { 0 };
 847         enum hinic_port_link_state link_state;
 848         int err;
 849
 850         if (vf >= nic_dev->sriov_info.num_vfs) {
 851                 netif_err(nic_dev, drv, netdev, "VF number must be less than %d\n",
 852                           nic_dev->sriov_info.num_vfs);
 853                 return -EINVAL;
 854         }
 855
 856         err = hinic_port_link_state(nic_dev, &link_state);
 857         if (err) {
 858                 netif_err(nic_dev, drv, netdev,
 859                           "Get link status failed when setting vf tx rate\n");
 860                 return -EIO;
 861         }
 862
 863         if (link_state == HINIC_LINK_STATE_DOWN) {
 864                 netif_err(nic_dev, drv, netdev,
 865                           "Link status must be up when setting vf tx rate\n");
 866                 return -EPERM;
 867         }
 868
 869         err = hinic_port_get_cap(nic_dev, &port_cap);
 870         if (err || port_cap.speed > LINK_SPEED_100GB)
 871                 return -EIO;
 872
 873         /* rate limit cannot be less than 0 and greater than link speed */
 874         if (max_tx_rate < 0 || max_tx_rate > speeds[port_cap.speed]) {
 875                 netif_err(nic_dev, drv, netdev, "Max tx rate must be in [0 - %d]\n",
 876                           speeds[port_cap.speed]);
 877                 return -EINVAL;
 878         }
 879
 880         err = hinic_set_vf_tx_rate(nic_dev->hwdev, OS_VF_ID_TO_HW(vf),
 881                                    max_tx_rate, min_tx_rate);
 882         if (err) {
 883                 netif_err(nic_dev, drv, netdev,
 884                           "Unable to set VF %d max rate %d min rate %d%s\n",
 885                           vf, max_tx_rate, min_tx_rate,
 886                           err == HINIC_TX_RATE_TABLE_FULL ?
 887                           ", tx rate profile is full" : "");
 888                 return -EIO;
 889         }
 890
 891         netif_info(nic_dev, drv, netdev,
 892                    "Set VF %d max tx rate %d min tx rate %d successfully\n",
 893                    vf, max_tx_rate, min_tx_rate);
 894
 895         return 0;
 896 }
 897
 898 static int hinic_set_vf_spoofchk(struct hinic_hwdev *hwdev, u16 vf_id,
 899                                  bool spoofchk)
 900 {
 901         struct hinic_spoofchk_set spoofchk_cfg = {0};
 902         struct vf_data_storage *vf_infos = NULL;
 903         u16 out_size = sizeof(spoofchk_cfg);
 904         int err;
 905
 906         if (!hwdev)
 907                 return -EINVAL;
 908
 909         vf_infos = hwdev->func_to_io.vf_infos;
 910
 911         spoofchk_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
 912         spoofchk_cfg.state = spoofchk ? 1 : 0;
 913         err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_ENABLE_SPOOFCHK,
 914                                  &spoofchk_cfg, sizeof(spoofchk_cfg),
 915                                  &spoofchk_cfg, &out_size);
 916         if (spoofchk_cfg.status == HINIC_MGMT_CMD_UNSUPPORTED) {
 917                 err = HINIC_MGMT_CMD_UNSUPPORTED;
 918         } else if (err || !out_size || spoofchk_cfg.status) {
 919                 dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) spoofchk, err: %d, status: 0x%x, out size: 0x%x\n",
 920                         HW_VF_ID_TO_OS(vf_id), err, spoofchk_cfg.status,
 921                         out_size);
 922                 err = -EIO;
 923         }
 924
 925         vf_infos[HW_VF_ID_TO_OS(vf_id)].spoofchk = spoofchk;
 926
 927         return err;
 928 }
 929
 930 int hinic_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
 931 {
 932         struct hinic_dev *nic_dev = netdev_priv(netdev);
 933         struct hinic_sriov_info *sriov_info;
 934         bool cur_spoofchk;
 935         int err;
 936
 937         sriov_info = &nic_dev->sriov_info;
 938         if (vf >= sriov_info->num_vfs)
 939                 return -EINVAL;
 940
 941         cur_spoofchk = nic_dev->hwdev->func_to_io.vf_infos[vf].spoofchk;
 942
 943         /* same request, so just return success */
 944         if (setting == cur_spoofchk)
 945                 return 0;
 946
 947         err = hinic_set_vf_spoofchk(sriov_info->hwdev,
 948                                     OS_VF_ID_TO_HW(vf), setting);
 949         if (!err) {
 950                 netif_info(nic_dev, drv, netdev, "Set VF %d spoofchk %s successfully\n",
 951                            vf, setting ? "on" : "off");
 952         } else if (err == HINIC_MGMT_CMD_UNSUPPORTED) {
 953                 netif_err(nic_dev, drv, netdev,
 954                           "Current firmware doesn't support to set vf spoofchk, need to upgrade latest firmware version\n");
 955                 err = -EOPNOTSUPP;
 956         }
 957
 958         return err;
 959 }
 960
 961 static int hinic_set_vf_link_state(struct hinic_hwdev *hwdev, u16 vf_id,
 962                                    int link)
 963 {
 964         struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
 965         struct vf_data_storage *vf_infos = nic_io->vf_infos;
 966         u8 link_status = 0;
 967
 968         switch (link) {
 969         case HINIC_IFLA_VF_LINK_STATE_AUTO:
 970                 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = false;
 971                 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = nic_io->link_status ?
 972                         true : false;
 973                 link_status = nic_io->link_status;
 974                 break;
 975         case HINIC_IFLA_VF_LINK_STATE_ENABLE:
 976                 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
 977                 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = true;
 978                 link_status = HINIC_LINK_UP;
 979                 break;
 980         case HINIC_IFLA_VF_LINK_STATE_DISABLE:
 981                 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
 982                 vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = false;
 983                 link_status = HINIC_LINK_DOWN;
 984                 break;
 985         default:
 986                 return -EINVAL;
 987         }
 988
 989         /* Notify the VF of its new link state */
 990         hinic_notify_vf_link_status(hwdev, vf_id, link_status);
 991
 992         return 0;
 993 }
 994
 995 int hinic_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
 996 {
 997         struct hinic_dev *nic_dev = netdev_priv(netdev);
 998         struct hinic_sriov_info *sriov_info;
 999
1000         sriov_info = &nic_dev->sriov_info;
1001
1002         if (vf_id >= sriov_info->num_vfs) {
1003                 netif_err(nic_dev, drv, netdev,
1004                           "Invalid VF Identifier %d\n", vf_id);
1005                 return -EINVAL;
1006         }
1007
1008         return hinic_set_vf_link_state(sriov_info->hwdev,
1009                                       OS_VF_ID_TO_HW(vf_id), link);
1010 }
1011
1012 /* pf receive message from vf */
1013 static int nic_pf_mbox_handler(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
1014                                u16 in_size, void *buf_out, u16 *out_size)
1015 {
1016         u8 size = ARRAY_SIZE(nic_cmd_support_vf);
1017         struct vf_cmd_msg_handle *vf_msg_handle;
1018         struct hinic_hwdev *dev = hwdev;
1019         struct hinic_func_to_io *nic_io;
1020         struct hinic_pfhwdev *pfhwdev;
1021         int err = 0;
1022         u32 i;
1023
1024         if (!hwdev)
1025                 return -EINVAL;
1026
1027         if (!hinic_mbox_check_cmd_valid(hwdev, nic_cmd_support_vf, vf_id, cmd,
1028                                         buf_in, in_size, size)) {
1029                 dev_err(&dev->hwif->pdev->dev,
1030                         "PF Receive VF nic cmd: 0x%x, mbox len: 0x%x is invalid\n",
1031                         cmd, in_size);
1032                 return HINIC_MBOX_VF_CMD_ERROR;
1033         }
1034
1035         pfhwdev = container_of(dev, struct hinic_pfhwdev, hwdev);
1036         nic_io = &dev->func_to_io;
1037         for (i = 0; i < ARRAY_SIZE(nic_vf_cmd_msg_handler); i++) {
1038                 vf_msg_handle = &nic_vf_cmd_msg_handler[i];
1039                 if (cmd == vf_msg_handle->cmd &&
1040                     vf_msg_handle->cmd_msg_handler) {
1041                         err = vf_msg_handle->cmd_msg_handler(hwdev, vf_id,
1042                                                              buf_in, in_size,
1043                                                              buf_out,
1044                                                              out_size);
1045                         break;
1046                 }
1047         }
1048         if (i == ARRAY_SIZE(nic_vf_cmd_msg_handler))
1049                 err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC,
1050                                         cmd, buf_in, in_size, buf_out,
1051                                         out_size, HINIC_MGMT_MSG_SYNC);
1052
1053         if (err &&  err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
1054                 dev_err(&nic_io->hwif->pdev->dev, "PF receive VF L2NIC cmd: %d process error, err:%d\n",
1055                         cmd, err);
1056         return err;
1057 }
1058
1059 static int cfg_mbx_pf_proc_vf_msg(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
1060                                   u16 in_size, void *buf_out, u16 *out_size)
1061 {
1062         struct hinic_dev_cap *dev_cap = buf_out;
1063         struct hinic_hwdev *dev = hwdev;
1064         struct hinic_cap *cap;
1065
1066         cap = &dev->nic_cap;
1067         memset(dev_cap, 0, sizeof(*dev_cap));
1068
1069         dev_cap->max_vf = cap->max_vf;
1070         dev_cap->max_sqs = cap->max_vf_qps;
1071         dev_cap->max_rqs = cap->max_vf_qps;
1072         dev_cap->port_id = dev->port_id;
1073
1074         *out_size = sizeof(*dev_cap);
1075
1076         return 0;
1077 }
1078
1079 static int hinic_init_vf_infos(struct hinic_func_to_io *nic_io, u16 vf_id)
1080 {
1081         struct vf_data_storage *vf_infos = nic_io->vf_infos;
1082
1083         if (set_vf_link_state > HINIC_IFLA_VF_LINK_STATE_DISABLE) {
1084                 dev_warn(&nic_io->hwif->pdev->dev, "Module Parameter set_vf_link_state value %d is out of range, resetting to %d\n",
1085                          set_vf_link_state, HINIC_IFLA_VF_LINK_STATE_AUTO);
1086                 set_vf_link_state = HINIC_IFLA_VF_LINK_STATE_AUTO;
1087         }
1088
1089         switch (set_vf_link_state) {
1090         case HINIC_IFLA_VF_LINK_STATE_AUTO:
1091                 vf_infos[vf_id].link_forced = false;
1092                 break;
1093         case HINIC_IFLA_VF_LINK_STATE_ENABLE:
1094                 vf_infos[vf_id].link_forced = true;
1095                 vf_infos[vf_id].link_up = true;
1096                 break;
1097         case HINIC_IFLA_VF_LINK_STATE_DISABLE:
1098                 vf_infos[vf_id].link_forced = true;
1099                 vf_infos[vf_id].link_up = false;
1100                 break;
1101         default:
1102                 dev_err(&nic_io->hwif->pdev->dev, "Invalid input parameter set_vf_link_state: %d\n",
1103                         set_vf_link_state);
1104                 return -EINVAL;
1105         }
1106
1107         return 0;
1108 }
1109
1110 static void hinic_clear_vf_infos(struct hinic_dev *nic_dev, u16 vf_id)
1111 {
1112         struct vf_data_storage *vf_infos;
1113
1114         vf_infos = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
1115         if (vf_infos->pf_set_mac)
1116                 hinic_port_del_mac(nic_dev, vf_infos->vf_mac_addr, 0);
1117
1118         if (hinic_vf_info_vlanprio(nic_dev->hwdev, vf_id))
1119                 hinic_kill_vf_vlan(nic_dev->hwdev, vf_id);
1120
1121         if (vf_infos->max_rate)
1122                 hinic_set_vf_tx_rate(nic_dev->hwdev, vf_id, 0, 0);
1123
1124         if (vf_infos->spoofchk)
1125                 hinic_set_vf_spoofchk(nic_dev->hwdev, vf_id, false);
1126
1127         if (vf_infos->trust)
1128                 hinic_set_vf_trust(nic_dev->hwdev, vf_id, false);
1129
1130         memset(vf_infos, 0, sizeof(*vf_infos));
1131         /* set vf_infos to default */
1132         hinic_init_vf_infos(&nic_dev->hwdev->func_to_io, HW_VF_ID_TO_OS(vf_id));
1133 }
1134
1135 static void hinic_deinit_vf_hw(struct hinic_sriov_info *sriov_info,
1136                                u16 start_vf_id, u16 end_vf_id)
1137 {
1138         struct hinic_dev *nic_dev;
1139         u16 func_idx, idx;
1140
1141         nic_dev = container_of(sriov_info, struct hinic_dev, sriov_info);
1142
1143         for (idx = start_vf_id; idx <= end_vf_id; idx++) {
1144                 func_idx = hinic_glb_pf_vf_offset(nic_dev->hwdev->hwif) + idx;
1145                 hinic_set_wq_page_size(nic_dev->hwdev, func_idx,
1146                                        HINIC_HW_WQ_PAGE_SIZE);
1147                 hinic_clear_vf_infos(nic_dev, idx);
1148         }
1149 }
1150
1151 int hinic_vf_func_init(struct hinic_hwdev *hwdev)
1152 {
1153         struct hinic_register_vf register_info = {0};
1154         u16 out_size = sizeof(register_info);
1155         struct hinic_func_to_io *nic_io;
1156         int err = 0;
1157         u32 size, i;
1158
1159         err = hinic_vf_mbox_random_id_init(hwdev);
1160         if (err) {
1161                 dev_err(&hwdev->hwif->pdev->dev, "Failed to init vf mbox random id, err: %d\n",
1162                         err);
1163                 return err;
1164         }
1165
1166         nic_io = &hwdev->func_to_io;
1167
1168         if (HINIC_IS_VF(hwdev->hwif)) {
1169                 err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
1170                                        HINIC_PORT_CMD_VF_REGISTER,
1171                                        &register_info, sizeof(register_info),
1172                                        &register_info, &out_size, 0);
1173                 if (err || register_info.status || !out_size) {
1174                         dev_err(&hwdev->hwif->pdev->dev,
1175                                 "Failed to register VF, err: %d, status: 0x%x, out size: 0x%x\n",
1176                                 err, register_info.status, out_size);
1177                         hinic_unregister_vf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
1178                         return -EIO;
1179                 }
1180         } else {
1181                 err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_CFGM,
1182                                                 cfg_mbx_pf_proc_vf_msg);
1183                 if (err) {
1184                         dev_err(&hwdev->hwif->pdev->dev,
1185                                 "Register PF mailbox callback failed\n");
1186                         return err;
1187                 }
1188                 nic_io->max_vfs = hwdev->nic_cap.max_vf;
1189                 size = sizeof(*nic_io->vf_infos) * nic_io->max_vfs;
1190                 if (size != 0) {
1191                         nic_io->vf_infos = kzalloc(size, GFP_KERNEL);
1192                         if (!nic_io->vf_infos) {
1193                                 err = -ENOMEM;
1194                                 goto out_free_nic_io;
1195                         }
1196
1197                         for (i = 0; i < nic_io->max_vfs; i++) {
1198                                 err = hinic_init_vf_infos(nic_io, i);
1199                                 if (err)
1200                                         goto err_init_vf_infos;
1201                         }
1202
1203                         err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC,
1204                                                         nic_pf_mbox_handler);
1205                         if (err)
1206                                 goto err_register_pf_mbox_cb;
1207                 }
1208         }
1209
1210         return 0;
1211
1212 err_register_pf_mbox_cb:
1213 err_init_vf_infos:
1214         kfree(nic_io->vf_infos);
1215 out_free_nic_io:
1216         return err;
1217 }
1218
1219 void hinic_vf_func_free(struct hinic_hwdev *hwdev)
1220 {
1221         struct hinic_register_vf unregister = {0};
1222         u16 out_size = sizeof(unregister);
1223         int err;
1224
1225         if (HINIC_IS_VF(hwdev->hwif)) {
1226                 err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
1227                                        HINIC_PORT_CMD_VF_UNREGISTER,
1228                                        &unregister, sizeof(unregister),
1229                                        &unregister, &out_size, 0);
1230                 if (err || !out_size || unregister.status)
1231                         dev_err(&hwdev->hwif->pdev->dev, "Failed to unregister VF, err: %d, status: 0x%x, out_size: 0x%x\n",
1232                                 err, unregister.status, out_size);
1233         } else {
1234                 if (hwdev->func_to_io.vf_infos) {
1235                         hinic_unregister_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
1236                         kfree(hwdev->func_to_io.vf_infos);
1237                 }
1238         }
1239 }
1240
1241 static int hinic_init_vf_hw(struct hinic_hwdev *hwdev, u16 start_vf_id,
1242                             u16 end_vf_id)
1243 {
1244         u16 i, func_idx;
1245         int err;
1246
1247         /* vf use 256K as default wq page size, and can't change it */
1248         for (i = start_vf_id; i <= end_vf_id; i++) {
1249                 func_idx = hinic_glb_pf_vf_offset(hwdev->hwif) + i;
1250                 err = hinic_set_wq_page_size(hwdev, func_idx,
1251                                              HINIC_DEFAULT_WQ_PAGE_SIZE);
1252                 if (err)
1253                         return err;
1254         }
1255
1256         return 0;
1257 }
1258
1259 int hinic_pci_sriov_disable(struct pci_dev *pdev)
1260 {
1261         struct hinic_sriov_info *sriov_info;
1262         u16 tmp_vfs;
1263
1264         sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
1265         /* if SR-IOV is already disabled then nothing will be done */
1266         if (!sriov_info->sriov_enabled)
1267                 return 0;
1268
1269         set_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
1270
1271         /* If our VFs are assigned we cannot shut down SR-IOV
1272          * without causing issues, so just leave the hardware
1273          * available but disabled
1274          */
1275         if (pci_vfs_assigned(sriov_info->pdev)) {
1276                 clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
1277                 dev_warn(&pdev->dev, "Unloading driver while VFs are assigned - VFs will not be deallocated\n");
1278                 return -EPERM;
1279         }
1280         sriov_info->sriov_enabled = false;
1281
1282         /* disable iov and allow time for transactions to clear */
1283         pci_disable_sriov(sriov_info->pdev);
1284
1285         tmp_vfs = (u16)sriov_info->num_vfs;
1286         sriov_info->num_vfs = 0;
1287         hinic_deinit_vf_hw(sriov_info, OS_VF_ID_TO_HW(0),
1288                            OS_VF_ID_TO_HW(tmp_vfs - 1));
1289
1290         clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
1291
1292         return 0;
1293 }
1294
1295 static int hinic_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
1296 {
1297         struct hinic_sriov_info *sriov_info;
1298         int err;
1299
1300         sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
1301
1302         if (test_and_set_bit(HINIC_SRIOV_ENABLE, &sriov_info->state)) {
1303                 dev_err(&pdev->dev,
1304                         "SR-IOV enable in process, please wait, num_vfs %d\n",
1305                         num_vfs);
1306                 return -EPERM;
1307         }
1308
1309         err = hinic_init_vf_hw(sriov_info->hwdev, OS_VF_ID_TO_HW(0),
1310                                OS_VF_ID_TO_HW((u16)num_vfs - 1));
1311         if (err) {
1312                 dev_err(&sriov_info->pdev->dev,
1313                         "Failed to init vf in hardware before enable sriov, error %d\n",
1314                         err);
1315                 clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
1316                 return err;
1317         }
1318
1319         err = pci_enable_sriov(sriov_info->pdev, num_vfs);
1320         if (err) {
1321                 dev_err(&pdev->dev,
1322                         "Failed to enable SR-IOV, error %d\n", err);
1323                 clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
1324                 return err;
1325         }
1326
1327         sriov_info->sriov_enabled = true;
1328         sriov_info->num_vfs = num_vfs;
1329         clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
1330
1331         return num_vfs;
1332 }
1333
1334 int hinic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
1335 {
1336         struct hinic_sriov_info *sriov_info;
1337
1338         sriov_info = hinic_get_sriov_info_by_pcidev(dev);
1339
1340         if (test_bit(HINIC_FUNC_REMOVE, &sriov_info->state))
1341                 return -EBUSY;
1342
1343         if (!num_vfs)
1344                 return hinic_pci_sriov_disable(dev);
1345         else
1346                 return hinic_pci_sriov_enable(dev, num_vfs);
1347 }