drivers/net/hns3/hns3_ethdev_vf.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018-2021 HiSilicon Limited.
   3  */
   4
   5 #include <linux/pci_regs.h>
   6 #include <rte_alarm.h>
   7 #include <ethdev_pci.h>
   8 #include <rte_io.h>
   9 #include <rte_pci.h>
  10 #include <rte_vfio.h>
  11
  12 #include "hns3_ethdev.h"
  13 #include "hns3_logs.h"
  14 #include "hns3_rxtx.h"
  15 #include "hns3_regs.h"
  16 #include "hns3_intr.h"
  17 #include "hns3_dcb.h"
  18 #include "hns3_mp.h"
  19
  20 #define HNS3VF_KEEP_ALIVE_INTERVAL      2000000 /* us */
  21 #define HNS3VF_SERVICE_INTERVAL         1000000 /* us */
  22
  23 #define HNS3VF_RESET_WAIT_MS    20
  24 #define HNS3VF_RESET_WAIT_CNT   2000
  25
  26 /* Reset related Registers */
  27 #define HNS3_GLOBAL_RESET_BIT           0
  28 #define HNS3_CORE_RESET_BIT             1
  29 #define HNS3_IMP_RESET_BIT              2
  30 #define HNS3_FUN_RST_ING_B              0
  31
  32 enum hns3vf_evt_cause {
  33         HNS3VF_VECTOR0_EVENT_RST,
  34         HNS3VF_VECTOR0_EVENT_MBX,
  35         HNS3VF_VECTOR0_EVENT_OTHER,
  36 };
  37
  38 static enum hns3_reset_level hns3vf_get_reset_level(struct hns3_hw *hw,
  39                                                     uint64_t *levels);
  40 static int hns3vf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  41 static int hns3vf_dev_configure_vlan(struct rte_eth_dev *dev);
  42
  43 static int hns3vf_add_mc_mac_addr(struct hns3_hw *hw,
  44                                   struct rte_ether_addr *mac_addr);
  45 static int hns3vf_remove_mc_mac_addr(struct hns3_hw *hw,
  46                                      struct rte_ether_addr *mac_addr);
  47 static int hns3vf_dev_link_update(struct rte_eth_dev *eth_dev,
  48                                    __rte_unused int wait_to_complete);
  49
  50 /* set PCI bus mastering */
  51 static int
  52 hns3vf_set_bus_master(const struct rte_pci_device *device, bool op)
  53 {
  54         uint16_t reg;
  55         int ret;
  56
  57         ret = rte_pci_read_config(device, &reg, sizeof(reg), PCI_COMMAND);
  58         if (ret < 0) {
  59                 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
  60                              PCI_COMMAND);
  61                 return ret;
  62         }
  63
  64         if (op)
  65                 /* set the master bit */
  66                 reg |= PCI_COMMAND_MASTER;
  67         else
  68                 reg &= ~(PCI_COMMAND_MASTER);
  69
  70         return rte_pci_write_config(device, &reg, sizeof(reg), PCI_COMMAND);
  71 }
  72
  73 /**
  74  * hns3vf_find_pci_capability - lookup a capability in the PCI capability list
  75  * @cap: the capability
  76  *
  77  * Return the address of the given capability within the PCI capability list.
  78  */
  79 static int
  80 hns3vf_find_pci_capability(const struct rte_pci_device *device, int cap)
  81 {
  82 #define MAX_PCIE_CAPABILITY 48
  83         uint16_t status;
  84         uint8_t pos;
  85         uint8_t id;
  86         int ttl;
  87         int ret;
  88
  89         ret = rte_pci_read_config(device, &status, sizeof(status), PCI_STATUS);
  90         if (ret < 0) {
  91                 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", PCI_STATUS);
  92                 return 0;
  93         }
  94
  95         if (!(status & PCI_STATUS_CAP_LIST))
  96                 return 0;
  97
  98         ttl = MAX_PCIE_CAPABILITY;
  99         ret = rte_pci_read_config(device, &pos, sizeof(pos),
 100                                   PCI_CAPABILITY_LIST);
 101         if (ret < 0) {
 102                 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
 103                              PCI_CAPABILITY_LIST);
 104                 return 0;
 105         }
 106
 107         while (ttl-- && pos >= PCI_STD_HEADER_SIZEOF) {
 108                 ret = rte_pci_read_config(device, &id, sizeof(id),
 109                                           (pos + PCI_CAP_LIST_ID));
 110                 if (ret < 0) {
 111                         PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
 112                                      (pos + PCI_CAP_LIST_ID));
 113                         break;
 114                 }
 115
 116                 if (id == 0xFF)
 117                         break;
 118
 119                 if (id == cap)
 120                         return (int)pos;
 121
 122                 ret = rte_pci_read_config(device, &pos, sizeof(pos),
 123                                           (pos + PCI_CAP_LIST_NEXT));
 124                 if (ret < 0) {
 125                         PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
 126                                      (pos + PCI_CAP_LIST_NEXT));
 127                         break;
 128                 }
 129         }
 130         return 0;
 131 }
 132
 133 static int
 134 hns3vf_enable_msix(const struct rte_pci_device *device, bool op)
 135 {
 136         uint16_t control;
 137         int pos;
 138         int ret;
 139
 140         pos = hns3vf_find_pci_capability(device, PCI_CAP_ID_MSIX);
 141         if (pos) {
 142                 ret = rte_pci_read_config(device, &control, sizeof(control),
 143                                     (pos + PCI_MSIX_FLAGS));
 144                 if (ret < 0) {
 145                         PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
 146                                      (pos + PCI_MSIX_FLAGS));
 147                         return -ENXIO;
 148                 }
 149
 150                 if (op)
 151                         control |= PCI_MSIX_FLAGS_ENABLE;
 152                 else
 153                         control &= ~PCI_MSIX_FLAGS_ENABLE;
 154                 ret = rte_pci_write_config(device, &control, sizeof(control),
 155                                           (pos + PCI_MSIX_FLAGS));
 156                 if (ret < 0) {
 157                         PMD_INIT_LOG(ERR, "failed to write PCI offset 0x%x",
 158                                     (pos + PCI_MSIX_FLAGS));
 159                 }
 160                 return 0;
 161         }
 162         return -ENXIO;
 163 }
 164
 165 static int
 166 hns3vf_add_uc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
 167 {
 168         /* mac address was checked by upper level interface */
 169         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 170         int ret;
 171
 172         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_UNICAST,
 173                                 HNS3_MBX_MAC_VLAN_UC_ADD, mac_addr->addr_bytes,
 174                                 RTE_ETHER_ADDR_LEN, false, NULL, 0);
 175         if (ret) {
 176                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 177                                       mac_addr);
 178                 hns3_err(hw, "failed to add uc mac addr(%s), ret = %d",
 179                          mac_str, ret);
 180         }
 181         return ret;
 182 }
 183
 184 static int
 185 hns3vf_remove_uc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
 186 {
 187         /* mac address was checked by upper level interface */
 188         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 189         int ret;
 190
 191         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_UNICAST,
 192                                 HNS3_MBX_MAC_VLAN_UC_REMOVE,
 193                                 mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN,
 194                                 false, NULL, 0);
 195         if (ret) {
 196                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 197                                       mac_addr);
 198                 hns3_err(hw, "failed to add uc mac addr(%s), ret = %d",
 199                          mac_str, ret);
 200         }
 201         return ret;
 202 }
 203
 204 static int
 205 hns3vf_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
 206 {
 207         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 208         struct rte_ether_addr *addr;
 209         int ret;
 210         int i;
 211
 212         for (i = 0; i < hw->mc_addrs_num; i++) {
 213                 addr = &hw->mc_addrs[i];
 214                 /* Check if there are duplicate addresses */
 215                 if (rte_is_same_ether_addr(addr, mac_addr)) {
 216                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 217                                               addr);
 218                         hns3_err(hw, "failed to add mc mac addr, same addrs"
 219                                  "(%s) is added by the set_mc_mac_addr_list "
 220                                  "API", mac_str);
 221                         return -EINVAL;
 222                 }
 223         }
 224
 225         ret = hns3vf_add_mc_mac_addr(hw, mac_addr);
 226         if (ret) {
 227                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 228                                       mac_addr);
 229                 hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
 230                          mac_str, ret);
 231         }
 232         return ret;
 233 }
 234
 235 static int
 236 hns3vf_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
 237                     __rte_unused uint32_t idx,
 238                     __rte_unused uint32_t pool)
 239 {
 240         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 241         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 242         int ret;
 243
 244         rte_spinlock_lock(&hw->lock);
 245
 246         /*
 247          * In hns3 network engine adding UC and MC mac address with different
 248          * commands with firmware. We need to determine whether the input
 249          * address is a UC or a MC address to call different commands.
 250          * By the way, it is recommended calling the API function named
 251          * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
 252          * using the rte_eth_dev_mac_addr_add API function to set MC mac address
 253          * may affect the specifications of UC mac addresses.
 254          */
 255         if (rte_is_multicast_ether_addr(mac_addr))
 256                 ret = hns3vf_add_mc_addr_common(hw, mac_addr);
 257         else
 258                 ret = hns3vf_add_uc_mac_addr(hw, mac_addr);
 259
 260         rte_spinlock_unlock(&hw->lock);
 261         if (ret) {
 262                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 263                                       mac_addr);
 264                 hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
 265                          ret);
 266         }
 267
 268         return ret;
 269 }
 270
 271 static void
 272 hns3vf_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
 273 {
 274         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 275         /* index will be checked by upper level rte interface */
 276         struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
 277         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 278         int ret;
 279
 280         rte_spinlock_lock(&hw->lock);
 281
 282         if (rte_is_multicast_ether_addr(mac_addr))
 283                 ret = hns3vf_remove_mc_mac_addr(hw, mac_addr);
 284         else
 285                 ret = hns3vf_remove_uc_mac_addr(hw, mac_addr);
 286
 287         rte_spinlock_unlock(&hw->lock);
 288         if (ret) {
 289                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 290                                       mac_addr);
 291                 hns3_err(hw, "failed to remove mac addr(%s), ret = %d",
 292                          mac_str, ret);
 293         }
 294 }
 295
 296 static int
 297 hns3vf_set_default_mac_addr(struct rte_eth_dev *dev,
 298                             struct rte_ether_addr *mac_addr)
 299 {
 300 #define HNS3_TWO_ETHER_ADDR_LEN (RTE_ETHER_ADDR_LEN * 2)
 301         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 302         struct rte_ether_addr *old_addr;
 303         uint8_t addr_bytes[HNS3_TWO_ETHER_ADDR_LEN]; /* for 2 MAC addresses */
 304         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 305         int ret;
 306
 307         /*
 308          * It has been guaranteed that input parameter named mac_addr is valid
 309          * address in the rte layer of DPDK framework.
 310          */
 311         old_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
 312         rte_spinlock_lock(&hw->lock);
 313         memcpy(addr_bytes, mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN);
 314         memcpy(&addr_bytes[RTE_ETHER_ADDR_LEN], old_addr->addr_bytes,
 315                RTE_ETHER_ADDR_LEN);
 316
 317         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_UNICAST,
 318                                 HNS3_MBX_MAC_VLAN_UC_MODIFY, addr_bytes,
 319                                 HNS3_TWO_ETHER_ADDR_LEN, true, NULL, 0);
 320         if (ret) {
 321                 /*
 322                  * The hns3 VF PMD driver depends on the hns3 PF kernel ethdev
 323                  * driver. When user has configured a MAC address for VF device
 324                  * by "ip link set ..." command based on the PF device, the hns3
 325                  * PF kernel ethdev driver does not allow VF driver to request
 326                  * reconfiguring a different default MAC address, and return
 327                  * -EPREM to VF driver through mailbox.
 328                  */
 329                 if (ret == -EPERM) {
 330                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 331                                               old_addr);
 332                         hns3_warn(hw, "Has permanet mac addr(%s) for vf",
 333                                   mac_str);
 334                 } else {
 335                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 336                                               mac_addr);
 337                         hns3_err(hw, "Failed to set mac addr(%s) for vf: %d",
 338                                  mac_str, ret);
 339                 }
 340         }
 341
 342         rte_ether_addr_copy(mac_addr,
 343                             (struct rte_ether_addr *)hw->mac.mac_addr);
 344         rte_spinlock_unlock(&hw->lock);
 345
 346         return ret;
 347 }
 348
 349 static int
 350 hns3vf_configure_mac_addr(struct hns3_adapter *hns, bool del)
 351 {
 352         struct hns3_hw *hw = &hns->hw;
 353         struct rte_ether_addr *addr;
 354         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 355         int err = 0;
 356         int ret;
 357         int i;
 358
 359         for (i = 0; i < HNS3_VF_UC_MACADDR_NUM; i++) {
 360                 addr = &hw->data->mac_addrs[i];
 361                 if (rte_is_zero_ether_addr(addr))
 362                         continue;
 363                 if (rte_is_multicast_ether_addr(addr))
 364                         ret = del ? hns3vf_remove_mc_mac_addr(hw, addr) :
 365                               hns3vf_add_mc_mac_addr(hw, addr);
 366                 else
 367                         ret = del ? hns3vf_remove_uc_mac_addr(hw, addr) :
 368                               hns3vf_add_uc_mac_addr(hw, addr);
 369
 370                 if (ret) {
 371                         err = ret;
 372                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 373                                               addr);
 374                         hns3_err(hw, "failed to %s mac addr(%s) index:%d "
 375                                  "ret = %d.", del ? "remove" : "restore",
 376                                  mac_str, i, ret);
 377                 }
 378         }
 379         return err;
 380 }
 381
 382 static int
 383 hns3vf_add_mc_mac_addr(struct hns3_hw *hw,
 384                        struct rte_ether_addr *mac_addr)
 385 {
 386         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 387         int ret;
 388
 389         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_MULTICAST,
 390                                 HNS3_MBX_MAC_VLAN_MC_ADD,
 391                                 mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false,
 392                                 NULL, 0);
 393         if (ret) {
 394                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 395                                       mac_addr);
 396                 hns3_err(hw, "Failed to add mc mac addr(%s) for vf: %d",
 397                          mac_str, ret);
 398         }
 399
 400         return ret;
 401 }
 402
 403 static int
 404 hns3vf_remove_mc_mac_addr(struct hns3_hw *hw,
 405                           struct rte_ether_addr *mac_addr)
 406 {
 407         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 408         int ret;
 409
 410         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_MULTICAST,
 411                                 HNS3_MBX_MAC_VLAN_MC_REMOVE,
 412                                 mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false,
 413                                 NULL, 0);
 414         if (ret) {
 415                 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 416                                       mac_addr);
 417                 hns3_err(hw, "Failed to remove mc mac addr(%s) for vf: %d",
 418                          mac_str, ret);
 419         }
 420
 421         return ret;
 422 }
 423
 424 static int
 425 hns3vf_set_mc_addr_chk_param(struct hns3_hw *hw,
 426                              struct rte_ether_addr *mc_addr_set,
 427                              uint32_t nb_mc_addr)
 428 {
 429         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 430         struct rte_ether_addr *addr;
 431         uint32_t i;
 432         uint32_t j;
 433
 434         if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
 435                 hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%u) "
 436                          "invalid. valid range: 0~%d",
 437                          nb_mc_addr, HNS3_MC_MACADDR_NUM);
 438                 return -EINVAL;
 439         }
 440
 441         /* Check if input mac addresses are valid */
 442         for (i = 0; i < nb_mc_addr; i++) {
 443                 addr = &mc_addr_set[i];
 444                 if (!rte_is_multicast_ether_addr(addr)) {
 445                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 446                                               addr);
 447                         hns3_err(hw,
 448                                  "failed to set mc mac addr, addr(%s) invalid.",
 449                                  mac_str);
 450                         return -EINVAL;
 451                 }
 452
 453                 /* Check if there are duplicate addresses */
 454                 for (j = i + 1; j < nb_mc_addr; j++) {
 455                         if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
 456                                 hns3_ether_format_addr(mac_str,
 457                                                       RTE_ETHER_ADDR_FMT_SIZE,
 458                                                       addr);
 459                                 hns3_err(hw, "failed to set mc mac addr, "
 460                                          "addrs invalid. two same addrs(%s).",
 461                                          mac_str);
 462                                 return -EINVAL;
 463                         }
 464                 }
 465
 466                 /*
 467                  * Check if there are duplicate addresses between mac_addrs
 468                  * and mc_addr_set
 469                  */
 470                 for (j = 0; j < HNS3_VF_UC_MACADDR_NUM; j++) {
 471                         if (rte_is_same_ether_addr(addr,
 472                                                    &hw->data->mac_addrs[j])) {
 473                                 hns3_ether_format_addr(mac_str,
 474                                                       RTE_ETHER_ADDR_FMT_SIZE,
 475                                                       addr);
 476                                 hns3_err(hw, "failed to set mc mac addr, "
 477                                          "addrs invalid. addrs(%s) has already "
 478                                          "configured in mac_addr add API",
 479                                          mac_str);
 480                                 return -EINVAL;
 481                         }
 482                 }
 483         }
 484
 485         return 0;
 486 }
 487
 488 static int
 489 hns3vf_set_mc_mac_addr_list(struct rte_eth_dev *dev,
 490                             struct rte_ether_addr *mc_addr_set,
 491                             uint32_t nb_mc_addr)
 492 {
 493         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 494         struct rte_ether_addr *addr;
 495         int cur_addr_num;
 496         int set_addr_num;
 497         int num;
 498         int ret;
 499         int i;
 500
 501         ret = hns3vf_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
 502         if (ret)
 503                 return ret;
 504
 505         rte_spinlock_lock(&hw->lock);
 506         cur_addr_num = hw->mc_addrs_num;
 507         for (i = 0; i < cur_addr_num; i++) {
 508                 num = cur_addr_num - i - 1;
 509                 addr = &hw->mc_addrs[num];
 510                 ret = hns3vf_remove_mc_mac_addr(hw, addr);
 511                 if (ret) {
 512                         rte_spinlock_unlock(&hw->lock);
 513                         return ret;
 514                 }
 515
 516                 hw->mc_addrs_num--;
 517         }
 518
 519         set_addr_num = (int)nb_mc_addr;
 520         for (i = 0; i < set_addr_num; i++) {
 521                 addr = &mc_addr_set[i];
 522                 ret = hns3vf_add_mc_mac_addr(hw, addr);
 523                 if (ret) {
 524                         rte_spinlock_unlock(&hw->lock);
 525                         return ret;
 526                 }
 527
 528                 rte_ether_addr_copy(addr, &hw->mc_addrs[hw->mc_addrs_num]);
 529                 hw->mc_addrs_num++;
 530         }
 531         rte_spinlock_unlock(&hw->lock);
 532
 533         return 0;
 534 }
 535
 536 static int
 537 hns3vf_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
 538 {
 539         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 540         struct hns3_hw *hw = &hns->hw;
 541         struct rte_ether_addr *addr;
 542         int err = 0;
 543         int ret;
 544         int i;
 545
 546         for (i = 0; i < hw->mc_addrs_num; i++) {
 547                 addr = &hw->mc_addrs[i];
 548                 if (!rte_is_multicast_ether_addr(addr))
 549                         continue;
 550                 if (del)
 551                         ret = hns3vf_remove_mc_mac_addr(hw, addr);
 552                 else
 553                         ret = hns3vf_add_mc_mac_addr(hw, addr);
 554                 if (ret) {
 555                         err = ret;
 556                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
 557                                               addr);
 558                         hns3_err(hw, "Failed to %s mc mac addr: %s for vf: %d",
 559                                  del ? "Remove" : "Restore", mac_str, ret);
 560                 }
 561         }
 562         return err;
 563 }
 564
 565 static int
 566 hns3vf_set_promisc_mode(struct hns3_hw *hw, bool en_bc_pmc,
 567                         bool en_uc_pmc, bool en_mc_pmc)
 568 {
 569         struct hns3_mbx_vf_to_pf_cmd *req;
 570         struct hns3_cmd_desc desc;
 571         int ret;
 572
 573         req = (struct hns3_mbx_vf_to_pf_cmd *)desc.data;
 574
 575         /*
 576          * The hns3 VF PMD driver depends on the hns3 PF kernel ethdev driver,
 577          * so there are some features for promiscuous/allmulticast mode in hns3
 578          * VF PMD driver as below:
 579          * 1. The promiscuous/allmulticast mode can be configured successfully
 580          *    only based on the trusted VF device. If based on the non trusted
 581          *    VF device, configuring promiscuous/allmulticast mode will fail.
 582          *    The hns3 VF device can be confiruged as trusted device by hns3 PF
 583          *    kernel ethdev driver on the host by the following command:
 584          *      "ip link set <eth num> vf <vf id> turst on"
 585          * 2. After the promiscuous mode is configured successfully, hns3 VF PMD
 586          *    driver can receive the ingress and outgoing traffic. In the words,
 587          *    all the ingress packets, all the packets sent from the PF and
 588          *    other VFs on the same physical port.
 589          * 3. Note: Because of the hardware constraints, By default vlan filter
 590          *    is enabled and couldn't be turned off based on VF device, so vlan
 591          *    filter is still effective even in promiscuous mode. If upper
 592          *    applications don't call rte_eth_dev_vlan_filter API function to
 593          *    set vlan based on VF device, hns3 VF PMD driver will can't receive
 594          *    the packets with vlan tag in promiscuoue mode.
 595          */
 596         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MBX_VF_TO_PF, false);
 597         req->msg[0] = HNS3_MBX_SET_PROMISC_MODE;
 598         req->msg[1] = en_bc_pmc ? 1 : 0;
 599         req->msg[2] = en_uc_pmc ? 1 : 0;
 600         req->msg[3] = en_mc_pmc ? 1 : 0;
 601         req->msg[4] = hw->promisc_mode == HNS3_LIMIT_PROMISC_MODE ? 1 : 0;
 602
 603         ret = hns3_cmd_send(hw, &desc, 1);
 604         if (ret)
 605                 hns3_err(hw, "Set promisc mode fail, ret = %d", ret);
 606
 607         return ret;
 608 }
 609
 610 static int
 611 hns3vf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 612 {
 613         struct hns3_adapter *hns = dev->data->dev_private;
 614         struct hns3_hw *hw = &hns->hw;
 615         int ret;
 616
 617         ret = hns3vf_set_promisc_mode(hw, true, true, true);
 618         if (ret)
 619                 hns3_err(hw, "Failed to enable promiscuous mode, ret = %d",
 620                         ret);
 621         return ret;
 622 }
 623
 624 static int
 625 hns3vf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 626 {
 627         bool allmulti = dev->data->all_multicast ? true : false;
 628         struct hns3_adapter *hns = dev->data->dev_private;
 629         struct hns3_hw *hw = &hns->hw;
 630         int ret;
 631
 632         ret = hns3vf_set_promisc_mode(hw, true, false, allmulti);
 633         if (ret)
 634                 hns3_err(hw, "Failed to disable promiscuous mode, ret = %d",
 635                         ret);
 636         return ret;
 637 }
 638
 639 static int
 640 hns3vf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 641 {
 642         struct hns3_adapter *hns = dev->data->dev_private;
 643         struct hns3_hw *hw = &hns->hw;
 644         int ret;
 645
 646         if (dev->data->promiscuous)
 647                 return 0;
 648
 649         ret = hns3vf_set_promisc_mode(hw, true, false, true);
 650         if (ret)
 651                 hns3_err(hw, "Failed to enable allmulticast mode, ret = %d",
 652                         ret);
 653         return ret;
 654 }
 655
 656 static int
 657 hns3vf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 658 {
 659         struct hns3_adapter *hns = dev->data->dev_private;
 660         struct hns3_hw *hw = &hns->hw;
 661         int ret;
 662
 663         if (dev->data->promiscuous)
 664                 return 0;
 665
 666         ret = hns3vf_set_promisc_mode(hw, true, false, false);
 667         if (ret)
 668                 hns3_err(hw, "Failed to disable allmulticast mode, ret = %d",
 669                         ret);
 670         return ret;
 671 }
 672
 673 static int
 674 hns3vf_restore_promisc(struct hns3_adapter *hns)
 675 {
 676         struct hns3_hw *hw = &hns->hw;
 677         bool allmulti = hw->data->all_multicast ? true : false;
 678
 679         if (hw->data->promiscuous)
 680                 return hns3vf_set_promisc_mode(hw, true, true, true);
 681
 682         return hns3vf_set_promisc_mode(hw, true, false, allmulti);
 683 }
 684
 685 static int
 686 hns3vf_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id,
 687                              bool mmap, enum hns3_ring_type queue_type,
 688                              uint16_t queue_id)
 689 {
 690         struct hns3_vf_bind_vector_msg bind_msg;
 691         const char *op_str;
 692         uint16_t code;
 693         int ret;
 694
 695         memset(&bind_msg, 0, sizeof(bind_msg));
 696         code = mmap ? HNS3_MBX_MAP_RING_TO_VECTOR :
 697                 HNS3_MBX_UNMAP_RING_TO_VECTOR;
 698         bind_msg.vector_id = vector_id;
 699
 700         if (queue_type == HNS3_RING_TYPE_RX)
 701                 bind_msg.param[0].int_gl_index = HNS3_RING_GL_RX;
 702         else
 703                 bind_msg.param[0].int_gl_index = HNS3_RING_GL_TX;
 704
 705         bind_msg.param[0].ring_type = queue_type;
 706         bind_msg.ring_num = 1;
 707         bind_msg.param[0].tqp_index = queue_id;
 708         op_str = mmap ? "Map" : "Unmap";
 709         ret = hns3_send_mbx_msg(hw, code, 0, (uint8_t *)&bind_msg,
 710                                 sizeof(bind_msg), false, NULL, 0);
 711         if (ret)
 712                 hns3_err(hw, "%s TQP %u fail, vector_id is %u, ret is %d.",
 713                          op_str, queue_id, bind_msg.vector_id, ret);
 714
 715         return ret;
 716 }
 717
 718 static int
 719 hns3vf_init_ring_with_vector(struct hns3_hw *hw)
 720 {
 721         uint16_t vec;
 722         int ret;
 723         int i;
 724
 725         /*
 726          * In hns3 network engine, vector 0 is always the misc interrupt of this
 727          * function, vector 1~N can be used respectively for the queues of the
 728          * function. Tx and Rx queues with the same number share the interrupt
 729          * vector. In the initialization clearing the all hardware mapping
 730          * relationship configurations between queues and interrupt vectors is
 731          * needed, so some error caused by the residual configurations, such as
 732          * the unexpected Tx interrupt, can be avoid.
 733          */
 734         vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
 735         if (hw->intr.mapping_mode == HNS3_INTR_MAPPING_VEC_RSV_ONE)
 736                 vec = vec - 1; /* the last interrupt is reserved */
 737         hw->intr_tqps_num = RTE_MIN(vec, hw->tqps_num);
 738         for (i = 0; i < hw->intr_tqps_num; i++) {
 739                 /*
 740                  * Set gap limiter/rate limiter/quanity limiter algorithm
 741                  * configuration for interrupt coalesce of queue's interrupt.
 742                  */
 743                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
 744                                        HNS3_TQP_INTR_GL_DEFAULT);
 745                 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
 746                                        HNS3_TQP_INTR_GL_DEFAULT);
 747                 hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
 748                 /*
 749                  * QL(quantity limiter) is not used currently, just set 0 to
 750                  * close it.
 751                  */
 752                 hns3_set_queue_intr_ql(hw, i, HNS3_TQP_INTR_QL_DEFAULT);
 753
 754                 ret = hns3vf_bind_ring_with_vector(hw, vec, false,
 755                                                    HNS3_RING_TYPE_TX, i);
 756                 if (ret) {
 757                         PMD_INIT_LOG(ERR, "VF fail to unbind TX ring(%d) with "
 758                                           "vector: %u, ret=%d", i, vec, ret);
 759                         return ret;
 760                 }
 761
 762                 ret = hns3vf_bind_ring_with_vector(hw, vec, false,
 763                                                    HNS3_RING_TYPE_RX, i);
 764                 if (ret) {
 765                         PMD_INIT_LOG(ERR, "VF fail to unbind RX ring(%d) with "
 766                                           "vector: %u, ret=%d", i, vec, ret);
 767                         return ret;
 768                 }
 769         }
 770
 771         return 0;
 772 }
 773
 774 static int
 775 hns3vf_dev_configure(struct rte_eth_dev *dev)
 776 {
 777         struct hns3_adapter *hns = dev->data->dev_private;
 778         struct hns3_hw *hw = &hns->hw;
 779         struct rte_eth_conf *conf = &dev->data->dev_conf;
 780         enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
 781         uint16_t nb_rx_q = dev->data->nb_rx_queues;
 782         uint16_t nb_tx_q = dev->data->nb_tx_queues;
 783         struct rte_eth_rss_conf rss_conf;
 784         uint32_t max_rx_pkt_len;
 785         uint16_t mtu;
 786         bool gro_en;
 787         int ret;
 788
 789         hw->cfg_max_queues = RTE_MAX(nb_rx_q, nb_tx_q);
 790
 791         /*
 792          * Some versions of hardware network engine does not support
 793          * individually enable/disable/reset the Tx or Rx queue. These devices
 794          * must enable/disable/reset Tx and Rx queues at the same time. When the
 795          * numbers of Tx queues allocated by upper applications are not equal to
 796          * the numbers of Rx queues, driver needs to setup fake Tx or Rx queues
 797          * to adjust numbers of Tx/Rx queues. otherwise, network engine can not
 798          * work as usual. But these fake queues are imperceptible, and can not
 799          * be used by upper applications.
 800          */
 801         if (!hns3_dev_indep_txrx_supported(hw)) {
 802                 ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
 803                 if (ret) {
 804                         hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.",
 805                                  ret);
 806                         return ret;
 807                 }
 808         }
 809
 810         hw->adapter_state = HNS3_NIC_CONFIGURING;
 811         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
 812                 hns3_err(hw, "setting link speed/duplex not supported");
 813                 ret = -EINVAL;
 814                 goto cfg_err;
 815         }
 816
 817         /* When RSS is not configured, redirect the packet queue 0 */
 818         if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
 819                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
 820                 hw->rss_dis_flag = false;
 821                 rss_conf = conf->rx_adv_conf.rss_conf;
 822                 ret = hns3_dev_rss_hash_update(dev, &rss_conf);
 823                 if (ret)
 824                         goto cfg_err;
 825         }
 826
 827         /*
 828          * If jumbo frames are enabled, MTU needs to be refreshed
 829          * according to the maximum RX packet length.
 830          */
 831         if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 832                 max_rx_pkt_len = conf->rxmode.max_rx_pkt_len;
 833                 if (max_rx_pkt_len > HNS3_MAX_FRAME_LEN ||
 834                     max_rx_pkt_len <= HNS3_DEFAULT_FRAME_LEN) {
 835                         hns3_err(hw, "maximum Rx packet length must be greater "
 836                                  "than %u and less than %u when jumbo frame enabled.",
 837                                  (uint16_t)HNS3_DEFAULT_FRAME_LEN,
 838                                  (uint16_t)HNS3_MAX_FRAME_LEN);
 839                         ret = -EINVAL;
 840                         goto cfg_err;
 841                 }
 842
 843                 mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(max_rx_pkt_len);
 844                 ret = hns3vf_dev_mtu_set(dev, mtu);
 845                 if (ret)
 846                         goto cfg_err;
 847                 dev->data->mtu = mtu;
 848         }
 849
 850         ret = hns3vf_dev_configure_vlan(dev);
 851         if (ret)
 852                 goto cfg_err;
 853
 854         /* config hardware GRO */
 855         gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
 856         ret = hns3_config_gro(hw, gro_en);
 857         if (ret)
 858                 goto cfg_err;
 859
 860         hns3_init_rx_ptype_tble(dev);
 861
 862         hw->adapter_state = HNS3_NIC_CONFIGURED;
 863         return 0;
 864
 865 cfg_err:
 866         (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
 867         hw->adapter_state = HNS3_NIC_INITIALIZED;
 868
 869         return ret;
 870 }
 871
 872 static int
 873 hns3vf_config_mtu(struct hns3_hw *hw, uint16_t mtu)
 874 {
 875         int ret;
 876
 877         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_MTU, 0, (const uint8_t *)&mtu,
 878                                 sizeof(mtu), true, NULL, 0);
 879         if (ret)
 880                 hns3_err(hw, "Failed to set mtu (%u) for vf: %d", mtu, ret);
 881
 882         return ret;
 883 }
 884
 885 static int
 886 hns3vf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 887 {
 888         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 889         uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
 890         int ret;
 891
 892         /*
 893          * The hns3 PF/VF devices on the same port share the hardware MTU
 894          * configuration. Currently, we send mailbox to inform hns3 PF kernel
 895          * ethdev driver to finish hardware MTU configuration in hns3 VF PMD
 896          * driver, there is no need to stop the port for hns3 VF device, and the
 897          * MTU value issued by hns3 VF PMD driver must be less than or equal to
 898          * PF's MTU.
 899          */
 900         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) {
 901                 hns3_err(hw, "Failed to set mtu during resetting");
 902                 return -EIO;
 903         }
 904
 905         /*
 906          * when Rx of scattered packets is off, we have some possibility of
 907          * using vector Rx process function or simple Rx functions in hns3 PMD
 908          * driver. If the input MTU is increased and the maximum length of
 909          * received packets is greater than the length of a buffer for Rx
 910          * packet, the hardware network engine needs to use multiple BDs and
 911          * buffers to store these packets. This will cause problems when still
 912          * using vector Rx process function or simple Rx function to receiving
 913          * packets. So, when Rx of scattered packets is off and device is
 914          * started, it is not permitted to increase MTU so that the maximum
 915          * length of Rx packets is greater than Rx buffer length.
 916          */
 917         if (dev->data->dev_started && !dev->data->scattered_rx &&
 918             frame_size > hw->rx_buf_len) {
 919                 hns3_err(hw, "failed to set mtu because current is "
 920                         "not scattered rx mode");
 921                 return -EOPNOTSUPP;
 922         }
 923
 924         rte_spinlock_lock(&hw->lock);
 925         ret = hns3vf_config_mtu(hw, mtu);
 926         if (ret) {
 927                 rte_spinlock_unlock(&hw->lock);
 928                 return ret;
 929         }
 930         if (mtu > RTE_ETHER_MTU)
 931                 dev->data->dev_conf.rxmode.offloads |=
 932                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
 933         else
 934                 dev->data->dev_conf.rxmode.offloads &=
 935                                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 936         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
 937         rte_spinlock_unlock(&hw->lock);
 938
 939         return 0;
 940 }
 941
 942 static int
 943 hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
 944 {
 945         struct hns3_adapter *hns = eth_dev->data->dev_private;
 946         struct hns3_hw *hw = &hns->hw;
 947         uint16_t q_num = hw->tqps_num;
 948
 949         /*
 950          * In interrupt mode, 'max_rx_queues' is set based on the number of
 951          * MSI-X interrupt resources of the hardware.
 952          */
 953         if (hw->data->dev_conf.intr_conf.rxq == 1)
 954                 q_num = hw->intr_tqps_num;
 955
 956         info->max_rx_queues = q_num;
 957         info->max_tx_queues = hw->tqps_num;
 958         info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
 959         info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE;
 960         info->max_mac_addrs = HNS3_VF_UC_MACADDR_NUM;
 961         info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
 962         info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE;
 963
 964         info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
 965                                  DEV_RX_OFFLOAD_UDP_CKSUM |
 966                                  DEV_RX_OFFLOAD_TCP_CKSUM |
 967                                  DEV_RX_OFFLOAD_SCTP_CKSUM |
 968                                  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
 969                                  DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
 970                                  DEV_RX_OFFLOAD_SCATTER |
 971                                  DEV_RX_OFFLOAD_VLAN_STRIP |
 972                                  DEV_RX_OFFLOAD_VLAN_FILTER |
 973                                  DEV_RX_OFFLOAD_JUMBO_FRAME |
 974                                  DEV_RX_OFFLOAD_RSS_HASH |
 975                                  DEV_RX_OFFLOAD_TCP_LRO);
 976         info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 977                                  DEV_TX_OFFLOAD_IPV4_CKSUM |
 978                                  DEV_TX_OFFLOAD_TCP_CKSUM |
 979                                  DEV_TX_OFFLOAD_UDP_CKSUM |
 980                                  DEV_TX_OFFLOAD_SCTP_CKSUM |
 981                                  DEV_TX_OFFLOAD_MULTI_SEGS |
 982                                  DEV_TX_OFFLOAD_TCP_TSO |
 983                                  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
 984                                  DEV_TX_OFFLOAD_GRE_TNL_TSO |
 985                                  DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 986                                  DEV_TX_OFFLOAD_MBUF_FAST_FREE |
 987                                  hns3_txvlan_cap_get(hw));
 988
 989         if (hns3_dev_outer_udp_cksum_supported(hw))
 990                 info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
 991
 992         if (hns3_dev_indep_txrx_supported(hw))
 993                 info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
 994                                  RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
 995
 996         info->rx_desc_lim = (struct rte_eth_desc_lim) {
 997                 .nb_max = HNS3_MAX_RING_DESC,
 998                 .nb_min = HNS3_MIN_RING_DESC,
 999                 .nb_align = HNS3_ALIGN_RING_DESC,
1000         };
1001
1002         info->tx_desc_lim = (struct rte_eth_desc_lim) {
1003                 .nb_max = HNS3_MAX_RING_DESC,
1004                 .nb_min = HNS3_MIN_RING_DESC,
1005                 .nb_align = HNS3_ALIGN_RING_DESC,
1006                 .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
1007                 .nb_mtu_seg_max = hw->max_non_tso_bd_num,
1008         };
1009
1010         info->default_rxconf = (struct rte_eth_rxconf) {
1011                 .rx_free_thresh = HNS3_DEFAULT_RX_FREE_THRESH,
1012                 /*
1013                  * If there are no available Rx buffer descriptors, incoming
1014                  * packets are always dropped by hardware based on hns3 network
1015                  * engine.
1016                  */
1017                 .rx_drop_en = 1,
1018                 .offloads = 0,
1019         };
1020         info->default_txconf = (struct rte_eth_txconf) {
1021                 .tx_rs_thresh = HNS3_DEFAULT_TX_RS_THRESH,
1022                 .offloads = 0,
1023         };
1024
1025         info->vmdq_queue_num = 0;
1026
1027         info->reta_size = hw->rss_ind_tbl_size;
1028         info->hash_key_size = HNS3_RSS_KEY_SIZE;
1029         info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
1030         info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
1031         info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
1032
1033         return 0;
1034 }
1035
1036 static void
1037 hns3vf_clear_event_cause(struct hns3_hw *hw, uint32_t regclr)
1038 {
1039         hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
1040 }
1041
1042 static void
1043 hns3vf_disable_irq0(struct hns3_hw *hw)
1044 {
1045         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
1046 }
1047
1048 static void
1049 hns3vf_enable_irq0(struct hns3_hw *hw)
1050 {
1051         hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
1052 }
1053
1054 static enum hns3vf_evt_cause
1055 hns3vf_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
1056 {
1057         struct hns3_hw *hw = &hns->hw;
1058         enum hns3vf_evt_cause ret;
1059         uint32_t cmdq_stat_reg;
1060         uint32_t rst_ing_reg;
1061         uint32_t val;
1062
1063         /* Fetch the events from their corresponding regs */
1064         cmdq_stat_reg = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_STAT_REG);
1065         if (BIT(HNS3_VECTOR0_RST_INT_B) & cmdq_stat_reg) {
1066                 rst_ing_reg = hns3_read_dev(hw, HNS3_FUN_RST_ING);
1067                 hns3_warn(hw, "resetting reg: 0x%x", rst_ing_reg);
1068                 hns3_atomic_set_bit(HNS3_VF_RESET, &hw->reset.pending);
1069                 __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
1070                 val = hns3_read_dev(hw, HNS3_VF_RST_ING);
1071                 hns3_write_dev(hw, HNS3_VF_RST_ING, val | HNS3_VF_RST_ING_BIT);
1072                 val = cmdq_stat_reg & ~BIT(HNS3_VECTOR0_RST_INT_B);
1073                 if (clearval) {
1074                         hw->reset.stats.global_cnt++;
1075                         hns3_warn(hw, "Global reset detected, clear reset status");
1076                 } else {
1077                         hns3_schedule_delayed_reset(hns);
1078                         hns3_warn(hw, "Global reset detected, don't clear reset status");
1079                 }
1080
1081                 ret = HNS3VF_VECTOR0_EVENT_RST;
1082                 goto out;
1083         }
1084
1085         /* Check for vector0 mailbox(=CMDQ RX) event source */
1086         if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_stat_reg) {
1087                 val = cmdq_stat_reg & ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
1088                 ret = HNS3VF_VECTOR0_EVENT_MBX;
1089                 goto out;
1090         }
1091
1092         val = 0;
1093         ret = HNS3VF_VECTOR0_EVENT_OTHER;
1094 out:
1095         if (clearval)
1096                 *clearval = val;
1097         return ret;
1098 }
1099
1100 static void
1101 hns3vf_interrupt_handler(void *param)
1102 {
1103         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1104         struct hns3_adapter *hns = dev->data->dev_private;
1105         struct hns3_hw *hw = &hns->hw;
1106         enum hns3vf_evt_cause event_cause;
1107         uint32_t clearval;
1108
1109         /* Disable interrupt */
1110         hns3vf_disable_irq0(hw);
1111
1112         /* Read out interrupt causes */
1113         event_cause = hns3vf_check_event_cause(hns, &clearval);
1114
1115         switch (event_cause) {
1116         case HNS3VF_VECTOR0_EVENT_RST:
1117                 hns3_schedule_reset(hns);
1118                 break;
1119         case HNS3VF_VECTOR0_EVENT_MBX:
1120                 hns3_dev_handle_mbx_msg(hw);
1121                 break;
1122         default:
1123                 break;
1124         }
1125
1126         /* Clear interrupt causes */
1127         hns3vf_clear_event_cause(hw, clearval);
1128
1129         /* Enable interrupt */
1130         hns3vf_enable_irq0(hw);
1131 }
1132
1133 static void
1134 hns3vf_set_default_dev_specifications(struct hns3_hw *hw)
1135 {
1136         hw->max_non_tso_bd_num = HNS3_MAX_NON_TSO_BD_PER_PKT;
1137         hw->rss_ind_tbl_size = HNS3_RSS_IND_TBL_SIZE;
1138         hw->rss_key_size = HNS3_RSS_KEY_SIZE;
1139         hw->intr.int_ql_max = HNS3_INTR_QL_NONE;
1140 }
1141
1142 static void
1143 hns3vf_parse_dev_specifications(struct hns3_hw *hw, struct hns3_cmd_desc *desc)
1144 {
1145         struct hns3_dev_specs_0_cmd *req0;
1146
1147         req0 = (struct hns3_dev_specs_0_cmd *)desc[0].data;
1148
1149         hw->max_non_tso_bd_num = req0->max_non_tso_bd_num;
1150         hw->rss_ind_tbl_size = rte_le_to_cpu_16(req0->rss_ind_tbl_size);
1151         hw->rss_key_size = rte_le_to_cpu_16(req0->rss_key_size);
1152         hw->intr.int_ql_max = rte_le_to_cpu_16(req0->intr_ql_max);
1153 }
1154
1155 static int
1156 hns3vf_check_dev_specifications(struct hns3_hw *hw)
1157 {
1158         if (hw->rss_ind_tbl_size == 0 ||
1159             hw->rss_ind_tbl_size > HNS3_RSS_IND_TBL_SIZE_MAX) {
1160                 hns3_warn(hw, "the size of hash lookup table configured (%u)"
1161                               " exceeds the maximum(%u)", hw->rss_ind_tbl_size,
1162                               HNS3_RSS_IND_TBL_SIZE_MAX);
1163                 return -EINVAL;
1164         }
1165
1166         return 0;
1167 }
1168
1169 static int
1170 hns3vf_query_dev_specifications(struct hns3_hw *hw)
1171 {
1172         struct hns3_cmd_desc desc[HNS3_QUERY_DEV_SPECS_BD_NUM];
1173         int ret;
1174         int i;
1175
1176         for (i = 0; i < HNS3_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
1177                 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS,
1178                                           true);
1179                 desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1180         }
1181         hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, true);
1182
1183         ret = hns3_cmd_send(hw, desc, HNS3_QUERY_DEV_SPECS_BD_NUM);
1184         if (ret)
1185                 return ret;
1186
1187         hns3vf_parse_dev_specifications(hw, desc);
1188
1189         return hns3vf_check_dev_specifications(hw);
1190 }
1191
1192 void
1193 hns3vf_update_push_lsc_cap(struct hns3_hw *hw, bool supported)
1194 {
1195         uint16_t val = supported ? HNS3_PF_PUSH_LSC_CAP_SUPPORTED :
1196                                    HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED;
1197         uint16_t exp = HNS3_PF_PUSH_LSC_CAP_UNKNOWN;
1198         struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1199
1200         if (vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_UNKNOWN)
1201                 __atomic_compare_exchange(&vf->pf_push_lsc_cap, &exp, &val, 0,
1202                                           __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
1203 }
1204
1205 static void
1206 hns3vf_get_push_lsc_cap(struct hns3_hw *hw)
1207 {
1208 #define HNS3_CHECK_PUSH_LSC_CAP_TIMEOUT_MS      500
1209
1210         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
1211         int32_t remain_ms = HNS3_CHECK_PUSH_LSC_CAP_TIMEOUT_MS;
1212         uint16_t val = HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED;
1213         uint16_t exp = HNS3_PF_PUSH_LSC_CAP_UNKNOWN;
1214         struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1215
1216         __atomic_store_n(&vf->pf_push_lsc_cap, HNS3_PF_PUSH_LSC_CAP_UNKNOWN,
1217                          __ATOMIC_RELEASE);
1218
1219         (void)hns3_send_mbx_msg(hw, HNS3_MBX_GET_LINK_STATUS, 0, NULL, 0, false,
1220                                 NULL, 0);
1221
1222         while (remain_ms > 0) {
1223                 rte_delay_ms(HNS3_POLL_RESPONE_MS);
1224                 if (__atomic_load_n(&vf->pf_push_lsc_cap, __ATOMIC_ACQUIRE) !=
1225                         HNS3_PF_PUSH_LSC_CAP_UNKNOWN)
1226                         break;
1227                 remain_ms--;
1228         }
1229
1230         /*
1231          * When exit above loop, the pf_push_lsc_cap could be one of the three
1232          * state: unknown (means pf not ack), not_supported, supported.
1233          * Here config it as 'not_supported' when it's 'unknown' state.
1234          */
1235         __atomic_compare_exchange(&vf->pf_push_lsc_cap, &exp, &val, 0,
1236                                   __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
1237
1238         if (__atomic_load_n(&vf->pf_push_lsc_cap, __ATOMIC_ACQUIRE) ==
1239                 HNS3_PF_PUSH_LSC_CAP_SUPPORTED) {
1240                 hns3_info(hw, "detect PF support push link status change!");
1241         } else {
1242                 /*
1243                  * Framework already set RTE_ETH_DEV_INTR_LSC bit because driver
1244                  * declared RTE_PCI_DRV_INTR_LSC in drv_flags. So here cleared
1245                  * the RTE_ETH_DEV_INTR_LSC capability.
1246                  */
1247                 dev->data->dev_flags &= ~RTE_ETH_DEV_INTR_LSC;
1248         }
1249 }
1250
1251 static int
1252 hns3vf_get_capability(struct hns3_hw *hw)
1253 {
1254         struct rte_pci_device *pci_dev;
1255         struct rte_eth_dev *eth_dev;
1256         uint8_t revision;
1257         int ret;
1258
1259         eth_dev = &rte_eth_devices[hw->data->port_id];
1260         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1261
1262         /* Get PCI revision id */
1263         ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
1264                                   HNS3_PCI_REVISION_ID);
1265         if (ret != HNS3_PCI_REVISION_ID_LEN) {
1266                 PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
1267                              ret);
1268                 return -EIO;
1269         }
1270         hw->revision = revision;
1271
1272         if (revision < PCI_REVISION_ID_HIP09_A) {
1273                 hns3vf_set_default_dev_specifications(hw);
1274                 hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
1275                 hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
1276                 hw->tso_mode = HNS3_TSO_SW_CAL_PSEUDO_H_CSUM;
1277                 hw->drop_stats_mode = HNS3_PKTS_DROP_STATS_MODE1;
1278                 hw->min_tx_pkt_len = HNS3_HIP08_MIN_TX_PKT_LEN;
1279                 hw->rss_info.ipv6_sctp_offload_supported = false;
1280                 hw->promisc_mode = HNS3_UNLIMIT_PROMISC_MODE;
1281                 return 0;
1282         }
1283
1284         ret = hns3vf_query_dev_specifications(hw);
1285         if (ret) {
1286                 PMD_INIT_LOG(ERR,
1287                              "failed to query dev specifications, ret = %d",
1288                              ret);
1289                 return ret;
1290         }
1291
1292         hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_ALL;
1293         hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_1US;
1294         hw->tso_mode = HNS3_TSO_HW_CAL_PSEUDO_H_CSUM;
1295         hw->drop_stats_mode = HNS3_PKTS_DROP_STATS_MODE2;
1296         hw->min_tx_pkt_len = HNS3_HIP09_MIN_TX_PKT_LEN;
1297         hw->rss_info.ipv6_sctp_offload_supported = true;
1298         hw->promisc_mode = HNS3_LIMIT_PROMISC_MODE;
1299
1300         return 0;
1301 }
1302
1303 static int
1304 hns3vf_check_tqp_info(struct hns3_hw *hw)
1305 {
1306         if (hw->tqps_num == 0) {
1307                 PMD_INIT_LOG(ERR, "Get invalid tqps_num(0) from PF.");
1308                 return -EINVAL;
1309         }
1310
1311         if (hw->rss_size_max == 0) {
1312                 PMD_INIT_LOG(ERR, "Get invalid rss_size_max(0) from PF.");
1313                 return -EINVAL;
1314         }
1315
1316         hw->tqps_num = RTE_MIN(hw->rss_size_max, hw->tqps_num);
1317
1318         return 0;
1319 }
1320
1321 static int
1322 hns3vf_get_port_base_vlan_filter_state(struct hns3_hw *hw)
1323 {
1324         uint8_t resp_msg;
1325         int ret;
1326
1327         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN,
1328                                 HNS3_MBX_GET_PORT_BASE_VLAN_STATE, NULL, 0,
1329                                 true, &resp_msg, sizeof(resp_msg));
1330         if (ret) {
1331                 if (ret == -ETIME) {
1332                         /*
1333                          * Getting current port based VLAN state from PF driver
1334                          * will not affect VF driver's basic function. Because
1335                          * the VF driver relies on hns3 PF kernel ether driver,
1336                          * to avoid introducing compatibility issues with older
1337                          * version of PF driver, no failure will be returned
1338                          * when the return value is ETIME. This return value has
1339                          * the following scenarios:
1340                          * 1) Firmware didn't return the results in time
1341                          * 2) the result return by firmware is timeout
1342                          * 3) the older version of kernel side PF driver does
1343                          *    not support this mailbox message.
1344                          * For scenarios 1 and 2, it is most likely that a
1345                          * hardware error has occurred, or a hardware reset has
1346                          * occurred. In this case, these errors will be caught
1347                          * by other functions.
1348                          */
1349                         PMD_INIT_LOG(WARNING,
1350                                 "failed to get PVID state for timeout, maybe "
1351                                 "kernel side PF driver doesn't support this "
1352                                 "mailbox message, or firmware didn't respond.");
1353                         resp_msg = HNS3_PORT_BASE_VLAN_DISABLE;
1354                 } else {
1355                         PMD_INIT_LOG(ERR, "failed to get port based VLAN state,"
1356                                 " ret = %d", ret);
1357                         return ret;
1358                 }
1359         }
1360         hw->port_base_vlan_cfg.state = resp_msg ?
1361                 HNS3_PORT_BASE_VLAN_ENABLE : HNS3_PORT_BASE_VLAN_DISABLE;
1362         return 0;
1363 }
1364
1365 static int
1366 hns3vf_get_queue_info(struct hns3_hw *hw)
1367 {
1368 #define HNS3VF_TQPS_RSS_INFO_LEN        6
1369         uint8_t resp_msg[HNS3VF_TQPS_RSS_INFO_LEN];
1370         int ret;
1371
1372         ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_QINFO, 0, NULL, 0, true,
1373                                 resp_msg, HNS3VF_TQPS_RSS_INFO_LEN);
1374         if (ret) {
1375                 PMD_INIT_LOG(ERR, "Failed to get tqp info from PF: %d", ret);
1376                 return ret;
1377         }
1378
1379         memcpy(&hw->tqps_num, &resp_msg[0], sizeof(uint16_t));
1380         memcpy(&hw->rss_size_max, &resp_msg[2], sizeof(uint16_t));
1381
1382         return hns3vf_check_tqp_info(hw);
1383 }
1384
1385 static int
1386 hns3vf_get_queue_depth(struct hns3_hw *hw)
1387 {
1388 #define HNS3VF_TQPS_DEPTH_INFO_LEN      4
1389         uint8_t resp_msg[HNS3VF_TQPS_DEPTH_INFO_LEN];
1390         int ret;
1391
1392         ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_QDEPTH, 0, NULL, 0, true,
1393                                 resp_msg, HNS3VF_TQPS_DEPTH_INFO_LEN);
1394         if (ret) {
1395                 PMD_INIT_LOG(ERR, "Failed to get tqp depth info from PF: %d",
1396                              ret);
1397                 return ret;
1398         }
1399
1400         memcpy(&hw->num_tx_desc, &resp_msg[0], sizeof(uint16_t));
1401         memcpy(&hw->num_rx_desc, &resp_msg[2], sizeof(uint16_t));
1402
1403         return 0;
1404 }
1405
1406 static int
1407 hns3vf_get_tc_info(struct hns3_hw *hw)
1408 {
1409         uint8_t resp_msg;
1410         int ret;
1411         uint32_t i;
1412
1413         ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_TCINFO, 0, NULL, 0,
1414                                 true, &resp_msg, sizeof(resp_msg));
1415         if (ret) {
1416                 hns3_err(hw, "VF request to get TC info from PF failed %d",
1417                          ret);
1418                 return ret;
1419         }
1420
1421         hw->hw_tc_map = resp_msg;
1422
1423         for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
1424                 if (hw->hw_tc_map & BIT(i))
1425                         hw->num_tc++;
1426         }
1427
1428         return 0;
1429 }
1430
1431 static int
1432 hns3vf_get_host_mac_addr(struct hns3_hw *hw)
1433 {
1434         uint8_t host_mac[RTE_ETHER_ADDR_LEN];
1435         int ret;
1436
1437         ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_MAC_ADDR, 0, NULL, 0,
1438                                 true, host_mac, RTE_ETHER_ADDR_LEN);
1439         if (ret) {
1440                 hns3_err(hw, "Failed to get mac addr from PF: %d", ret);
1441                 return ret;
1442         }
1443
1444         memcpy(hw->mac.mac_addr, host_mac, RTE_ETHER_ADDR_LEN);
1445
1446         return 0;
1447 }
1448
1449 static int
1450 hns3vf_get_configuration(struct hns3_hw *hw)
1451 {
1452         int ret;
1453
1454         hw->mac.media_type = HNS3_MEDIA_TYPE_NONE;
1455         hw->rss_dis_flag = false;
1456
1457         /* Get device capability */
1458         ret = hns3vf_get_capability(hw);
1459         if (ret) {
1460                 PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret);
1461                 return ret;
1462         }
1463
1464         hns3vf_get_push_lsc_cap(hw);
1465
1466         /* Get queue configuration from PF */
1467         ret = hns3vf_get_queue_info(hw);
1468         if (ret)
1469                 return ret;
1470
1471         /* Get queue depth info from PF */
1472         ret = hns3vf_get_queue_depth(hw);
1473         if (ret)
1474                 return ret;
1475
1476         /* Get user defined VF MAC addr from PF */
1477         ret = hns3vf_get_host_mac_addr(hw);
1478         if (ret)
1479                 return ret;
1480
1481         ret = hns3vf_get_port_base_vlan_filter_state(hw);
1482         if (ret)
1483                 return ret;
1484
1485         /* Get tc configuration from PF */
1486         return hns3vf_get_tc_info(hw);
1487 }
1488
1489 static int
1490 hns3vf_set_tc_queue_mapping(struct hns3_adapter *hns, uint16_t nb_rx_q,
1491                             uint16_t nb_tx_q)
1492 {
1493         struct hns3_hw *hw = &hns->hw;
1494
1495         if (nb_rx_q < hw->num_tc) {
1496                 hns3_err(hw, "number of Rx queues(%u) is less than tcs(%u).",
1497                          nb_rx_q, hw->num_tc);
1498                 return -EINVAL;
1499         }
1500
1501         if (nb_tx_q < hw->num_tc) {
1502                 hns3_err(hw, "number of Tx queues(%u) is less than tcs(%u).",
1503                          nb_tx_q, hw->num_tc);
1504                 return -EINVAL;
1505         }
1506
1507         return hns3_queue_to_tc_mapping(hw, nb_rx_q, nb_tx_q);
1508 }
1509
1510 static void
1511 hns3vf_request_link_info(struct hns3_hw *hw)
1512 {
1513         struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1514         uint8_t resp_msg;
1515         bool send_req;
1516         int ret;
1517
1518         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED))
1519                 return;
1520
1521         send_req = vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED ||
1522                    vf->req_link_info_cnt > 0;
1523         if (!send_req)
1524                 return;
1525
1526         ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_LINK_STATUS, 0, NULL, 0, false,
1527                                 &resp_msg, sizeof(resp_msg));
1528         if (ret) {
1529                 hns3_err(hw, "failed to fetch link status, ret = %d", ret);
1530                 return;
1531         }
1532
1533         if (vf->req_link_info_cnt > 0)
1534                 vf->req_link_info_cnt--;
1535 }
1536
1537 void
1538 hns3vf_update_link_status(struct hns3_hw *hw, uint8_t link_status,
1539                           uint32_t link_speed, uint8_t link_duplex)
1540 {
1541         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
1542         struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1543         struct hns3_mac *mac = &hw->mac;
1544         int ret;
1545
1546         /*
1547          * PF kernel driver may push link status when VF driver is in resetting,
1548          * driver will stop polling job in this case, after resetting done
1549          * driver will start polling job again.
1550          * When polling job started, driver will get initial link status by
1551          * sending request to PF kernel driver, then could update link status by
1552          * process PF kernel driver's link status mailbox message.
1553          */
1554         if (!__atomic_load_n(&vf->poll_job_started, __ATOMIC_RELAXED))
1555                 return;
1556
1557         if (hw->adapter_state != HNS3_NIC_STARTED)
1558                 return;
1559
1560         mac->link_status = link_status;
1561         mac->link_speed = link_speed;
1562         mac->link_duplex = link_duplex;
1563         ret = hns3vf_dev_link_update(dev, 0);
1564         if (ret == 0 && dev->data->dev_conf.intr_conf.lsc != 0)
1565                 hns3_start_report_lse(dev);
1566 }
1567
1568 static int
1569 hns3vf_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
1570 {
1571 #define HNS3VF_VLAN_MBX_MSG_LEN 5
1572         struct hns3_hw *hw = &hns->hw;
1573         uint8_t msg_data[HNS3VF_VLAN_MBX_MSG_LEN];
1574         uint16_t proto = htons(RTE_ETHER_TYPE_VLAN);
1575         uint8_t is_kill = on ? 0 : 1;
1576
1577         msg_data[0] = is_kill;
1578         memcpy(&msg_data[1], &vlan_id, sizeof(vlan_id));
1579         memcpy(&msg_data[3], &proto, sizeof(proto));
1580
1581         return hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN, HNS3_MBX_VLAN_FILTER,
1582                                  msg_data, HNS3VF_VLAN_MBX_MSG_LEN, true, NULL,
1583                                  0);
1584 }
1585
1586 static int
1587 hns3vf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1588 {
1589         struct hns3_adapter *hns = dev->data->dev_private;
1590         struct hns3_hw *hw = &hns->hw;
1591         int ret;
1592
1593         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) {
1594                 hns3_err(hw,
1595                          "vf set vlan id failed during resetting, vlan_id =%u",
1596                          vlan_id);
1597                 return -EIO;
1598         }
1599         rte_spinlock_lock(&hw->lock);
1600         ret = hns3vf_vlan_filter_configure(hns, vlan_id, on);
1601         rte_spinlock_unlock(&hw->lock);
1602         if (ret)
1603                 hns3_err(hw, "vf set vlan id failed, vlan_id =%u, ret =%d",
1604                          vlan_id, ret);
1605
1606         return ret;
1607 }
1608
1609 static int
1610 hns3vf_en_hw_strip_rxvtag(struct hns3_hw *hw, bool enable)
1611 {
1612         uint8_t msg_data;
1613         int ret;
1614
1615         msg_data = enable ? 1 : 0;
1616         ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN, HNS3_MBX_VLAN_RX_OFF_CFG,
1617                                 &msg_data, sizeof(msg_data), false, NULL, 0);
1618         if (ret)
1619                 hns3_err(hw, "vf enable strip failed, ret =%d", ret);
1620
1621         return ret;
1622 }
1623
1624 static int
1625 hns3vf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1626 {
1627         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1628         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1629         unsigned int tmp_mask;
1630         int ret = 0;
1631
1632         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) {
1633                 hns3_err(hw, "vf set vlan offload failed during resetting, "
1634                              "mask = 0x%x", mask);
1635                 return -EIO;
1636         }
1637
1638         tmp_mask = (unsigned int)mask;
1639         /* Vlan stripping setting */
1640         if (tmp_mask & ETH_VLAN_STRIP_MASK) {
1641                 rte_spinlock_lock(&hw->lock);
1642                 /* Enable or disable VLAN stripping */
1643                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
1644                         ret = hns3vf_en_hw_strip_rxvtag(hw, true);
1645                 else
1646                         ret = hns3vf_en_hw_strip_rxvtag(hw, false);
1647                 rte_spinlock_unlock(&hw->lock);
1648         }
1649
1650         return ret;
1651 }
1652
1653 static int
1654 hns3vf_handle_all_vlan_table(struct hns3_adapter *hns, int on)
1655 {
1656         struct rte_vlan_filter_conf *vfc;
1657         struct hns3_hw *hw = &hns->hw;
1658         uint16_t vlan_id;
1659         uint64_t vbit;
1660         uint64_t ids;
1661         int ret = 0;
1662         uint32_t i;
1663
1664         vfc = &hw->data->vlan_filter_conf;
1665         for (i = 0; i < RTE_DIM(vfc->ids); i++) {
1666                 if (vfc->ids[i] == 0)
1667                         continue;
1668                 ids = vfc->ids[i];
1669                 while (ids) {
1670                         /*
1671                          * 64 means the num bits of ids, one bit corresponds to
1672                          * one vlan id
1673                          */
1674                         vlan_id = 64 * i;
1675                         /* count trailing zeroes */
1676                         vbit = ~ids & (ids - 1);
1677                         /* clear least significant bit set */
1678                         ids ^= (ids ^ (ids - 1)) ^ vbit;
1679                         for (; vbit;) {
1680                                 vbit >>= 1;
1681                                 vlan_id++;
1682                         }
1683                         ret = hns3vf_vlan_filter_configure(hns, vlan_id, on);
1684                         if (ret) {
1685                                 hns3_err(hw,
1686                                          "VF handle vlan table failed, ret =%d, on = %d",
1687                                          ret, on);
1688                                 return ret;
1689                         }
1690                 }
1691         }
1692
1693         return ret;
1694 }
1695
1696 static int
1697 hns3vf_remove_all_vlan_table(struct hns3_adapter *hns)
1698 {
1699         return hns3vf_handle_all_vlan_table(hns, 0);
1700 }
1701
1702 static int
1703 hns3vf_restore_vlan_conf(struct hns3_adapter *hns)
1704 {
1705         struct hns3_hw *hw = &hns->hw;
1706         struct rte_eth_conf *dev_conf;
1707         bool en;
1708         int ret;
1709
1710         dev_conf = &hw->data->dev_conf;
1711         en = dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP ? true
1712                                                                    : false;
1713         ret = hns3vf_en_hw_strip_rxvtag(hw, en);
1714         if (ret)
1715                 hns3_err(hw, "VF restore vlan conf fail, en =%d, ret =%d", en,
1716                          ret);
1717         return ret;
1718 }
1719
1720 static int
1721 hns3vf_dev_configure_vlan(struct rte_eth_dev *dev)
1722 {
1723         struct hns3_adapter *hns = dev->data->dev_private;
1724         struct rte_eth_dev_data *data = dev->data;
1725         struct hns3_hw *hw = &hns->hw;
1726         int ret;
1727
1728         if (data->dev_conf.txmode.hw_vlan_reject_tagged ||
1729             data->dev_conf.txmode.hw_vlan_reject_untagged ||
1730             data->dev_conf.txmode.hw_vlan_insert_pvid) {
1731                 hns3_warn(hw, "hw_vlan_reject_tagged, hw_vlan_reject_untagged "
1732                               "or hw_vlan_insert_pvid is not support!");
1733         }
1734
1735         /* Apply vlan offload setting */
1736         ret = hns3vf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
1737         if (ret)
1738                 hns3_err(hw, "dev config vlan offload failed, ret =%d", ret);
1739
1740         return ret;
1741 }
1742
1743 static int
1744 hns3vf_set_alive(struct hns3_hw *hw, bool alive)
1745 {
1746         uint8_t msg_data;
1747
1748         msg_data = alive ? 1 : 0;
1749         return hns3_send_mbx_msg(hw, HNS3_MBX_SET_ALIVE, 0, &msg_data,
1750                                  sizeof(msg_data), false, NULL, 0);
1751 }
1752
1753 static void
1754 hns3vf_keep_alive_handler(void *param)
1755 {
1756         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
1757         struct hns3_adapter *hns = eth_dev->data->dev_private;
1758         struct hns3_hw *hw = &hns->hw;
1759         uint8_t respmsg;
1760         int ret;
1761
1762         ret = hns3_send_mbx_msg(hw, HNS3_MBX_KEEP_ALIVE, 0, NULL, 0,
1763                                 false, &respmsg, sizeof(uint8_t));
1764         if (ret)
1765                 hns3_err(hw, "VF sends keeping alive cmd failed(=%d)",
1766                          ret);
1767
1768         rte_eal_alarm_set(HNS3VF_KEEP_ALIVE_INTERVAL, hns3vf_keep_alive_handler,
1769                           eth_dev);
1770 }
1771
1772 static void
1773 hns3vf_service_handler(void *param)
1774 {
1775         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
1776         struct hns3_adapter *hns = eth_dev->data->dev_private;
1777         struct hns3_hw *hw = &hns->hw;
1778
1779         /*
1780          * The query link status and reset processing are executed in the
1781          * interrupt thread. When the IMP reset occurs, IMP will not respond,
1782          * and the query operation will timeout after 30ms. In the case of
1783          * multiple PF/VFs, each query failure timeout causes the IMP reset
1784          * interrupt to fail to respond within 100ms.
1785          * Before querying the link status, check whether there is a reset
1786          * pending, and if so, abandon the query.
1787          */
1788         if (!hns3vf_is_reset_pending(hns))
1789                 hns3vf_request_link_info(hw);
1790         else
1791                 hns3_warn(hw, "Cancel the query when reset is pending");
1792
1793         rte_eal_alarm_set(HNS3VF_SERVICE_INTERVAL, hns3vf_service_handler,
1794                           eth_dev);
1795 }
1796
1797 static void
1798 hns3vf_start_poll_job(struct rte_eth_dev *dev)
1799 {
1800 #define HNS3_REQUEST_LINK_INFO_REMAINS_CNT      3
1801
1802         struct hns3_vf *vf = HNS3_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1803
1804         if (vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_SUPPORTED)
1805                 vf->req_link_info_cnt = HNS3_REQUEST_LINK_INFO_REMAINS_CNT;
1806
1807         __atomic_store_n(&vf->poll_job_started, 1, __ATOMIC_RELAXED);
1808
1809         hns3vf_service_handler(dev);
1810 }
1811
1812 static void
1813 hns3vf_stop_poll_job(struct rte_eth_dev *dev)
1814 {
1815         struct hns3_vf *vf = HNS3_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1816
1817         rte_eal_alarm_cancel(hns3vf_service_handler, dev);
1818
1819         __atomic_store_n(&vf->poll_job_started, 0, __ATOMIC_RELAXED);
1820 }
1821
1822 static int
1823 hns3_query_vf_resource(struct hns3_hw *hw)
1824 {
1825         struct hns3_vf_res_cmd *req;
1826         struct hns3_cmd_desc desc;
1827         uint16_t num_msi;
1828         int ret;
1829
1830         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_VF_RSRC, true);
1831         ret = hns3_cmd_send(hw, &desc, 1);
1832         if (ret) {
1833                 hns3_err(hw, "query vf resource failed, ret = %d", ret);
1834                 return ret;
1835         }
1836
1837         req = (struct hns3_vf_res_cmd *)desc.data;
1838         num_msi = hns3_get_field(rte_le_to_cpu_16(req->vf_intr_vector_number),
1839                                  HNS3_VF_VEC_NUM_M, HNS3_VF_VEC_NUM_S);
1840         if (num_msi < HNS3_MIN_VECTOR_NUM) {
1841                 hns3_err(hw, "Just %u msi resources, not enough for vf(min:%d)",
1842                          num_msi, HNS3_MIN_VECTOR_NUM);
1843                 return -EINVAL;
1844         }
1845
1846         hw->num_msi = num_msi;
1847
1848         return 0;
1849 }
1850
1851 static int
1852 hns3vf_init_hardware(struct hns3_adapter *hns)
1853 {
1854         struct hns3_hw *hw = &hns->hw;
1855         uint16_t mtu = hw->data->mtu;
1856         int ret;
1857
1858         ret = hns3vf_set_promisc_mode(hw, true, false, false);
1859         if (ret)
1860                 return ret;
1861
1862         ret = hns3vf_config_mtu(hw, mtu);
1863         if (ret)
1864                 goto err_init_hardware;
1865
1866         ret = hns3vf_vlan_filter_configure(hns, 0, 1);
1867         if (ret) {
1868                 PMD_INIT_LOG(ERR, "Failed to initialize VLAN config: %d", ret);
1869                 goto err_init_hardware;
1870         }
1871
1872         ret = hns3_config_gro(hw, false);
1873         if (ret) {
1874                 PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
1875                 goto err_init_hardware;
1876         }
1877
1878         /*
1879          * In the initialization clearing the all hardware mapping relationship
1880          * configurations between queues and interrupt vectors is needed, so
1881          * some error caused by the residual configurations, such as the
1882          * unexpected interrupt, can be avoid.
1883          */
1884         ret = hns3vf_init_ring_with_vector(hw);
1885         if (ret) {
1886                 PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
1887                 goto err_init_hardware;
1888         }
1889
1890         ret = hns3vf_set_alive(hw, true);
1891         if (ret) {
1892                 PMD_INIT_LOG(ERR, "Failed to VF send alive to PF: %d", ret);
1893                 goto err_init_hardware;
1894         }
1895
1896         return 0;
1897
1898 err_init_hardware:
1899         (void)hns3vf_set_promisc_mode(hw, false, false, false);
1900         return ret;
1901 }
1902
1903 static int
1904 hns3vf_clear_vport_list(struct hns3_hw *hw)
1905 {
1906         return hns3_send_mbx_msg(hw, HNS3_MBX_HANDLE_VF_TBL,
1907                                  HNS3_MBX_VPORT_LIST_CLEAR, NULL, 0, false,
1908                                  NULL, 0);
1909 }
1910
1911 static int
1912 hns3vf_init_vf(struct rte_eth_dev *eth_dev)
1913 {
1914         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1915         struct hns3_adapter *hns = eth_dev->data->dev_private;
1916         struct hns3_hw *hw = &hns->hw;
1917         int ret;
1918
1919         PMD_INIT_FUNC_TRACE();
1920
1921         /* Get hardware io base address from pcie BAR2 IO space */
1922         hw->io_base = pci_dev->mem_resource[2].addr;
1923
1924         /* Firmware command queue initialize */
1925         ret = hns3_cmd_init_queue(hw);
1926         if (ret) {
1927                 PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
1928                 goto err_cmd_init_queue;
1929         }
1930
1931         /* Firmware command initialize */
1932         ret = hns3_cmd_init(hw);
1933         if (ret) {
1934                 PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
1935                 goto err_cmd_init;
1936         }
1937
1938         /* Get VF resource */
1939         ret = hns3_query_vf_resource(hw);
1940         if (ret)
1941                 goto err_cmd_init;
1942
1943         rte_spinlock_init(&hw->mbx_resp.lock);
1944
1945         hns3vf_clear_event_cause(hw, 0);
1946
1947         ret = rte_intr_callback_register(&pci_dev->intr_handle,
1948                                          hns3vf_interrupt_handler, eth_dev);
1949         if (ret) {
1950                 PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
1951                 goto err_intr_callback_register;
1952         }
1953
1954         /* Enable interrupt */
1955         rte_intr_enable(&pci_dev->intr_handle);
1956         hns3vf_enable_irq0(hw);
1957
1958         /* Get configuration from PF */
1959         ret = hns3vf_get_configuration(hw);
1960         if (ret) {
1961                 PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
1962                 goto err_get_config;
1963         }
1964
1965         ret = hns3_tqp_stats_init(hw);
1966         if (ret)
1967                 goto err_get_config;
1968
1969         /* Hardware statistics of imissed registers cleared. */
1970         ret = hns3_update_imissed_stats(hw, true);
1971         if (ret) {
1972                 hns3_err(hw, "clear imissed stats failed, ret = %d", ret);
1973                 goto err_set_tc_queue;
1974         }
1975
1976         ret = hns3vf_set_tc_queue_mapping(hns, hw->tqps_num, hw->tqps_num);
1977         if (ret) {
1978                 PMD_INIT_LOG(ERR, "failed to set tc info, ret = %d.", ret);
1979                 goto err_set_tc_queue;
1980         }
1981
1982         ret = hns3vf_clear_vport_list(hw);
1983         if (ret) {
1984                 PMD_INIT_LOG(ERR, "Failed to clear tbl list: %d", ret);
1985                 goto err_set_tc_queue;
1986         }
1987
1988         ret = hns3vf_init_hardware(hns);
1989         if (ret)
1990                 goto err_set_tc_queue;
1991
1992         hns3_rss_set_default_args(hw);
1993
1994         return 0;
1995
1996 err_set_tc_queue:
1997         hns3_tqp_stats_uninit(hw);
1998
1999 err_get_config:
2000         hns3vf_disable_irq0(hw);
2001         rte_intr_disable(&pci_dev->intr_handle);
2002         hns3_intr_unregister(&pci_dev->intr_handle, hns3vf_interrupt_handler,
2003                              eth_dev);
2004 err_intr_callback_register:
2005 err_cmd_init:
2006         hns3_cmd_uninit(hw);
2007         hns3_cmd_destroy_queue(hw);
2008 err_cmd_init_queue:
2009         hw->io_base = NULL;
2010
2011         return ret;
2012 }
2013
2014 static void
2015 hns3vf_uninit_vf(struct rte_eth_dev *eth_dev)
2016 {
2017         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2018         struct hns3_adapter *hns = eth_dev->data->dev_private;
2019         struct hns3_hw *hw = &hns->hw;
2020
2021         PMD_INIT_FUNC_TRACE();
2022
2023         hns3_rss_uninit(hns);
2024         (void)hns3_config_gro(hw, false);
2025         (void)hns3vf_set_alive(hw, false);
2026         (void)hns3vf_set_promisc_mode(hw, false, false, false);
2027         hns3_tqp_stats_uninit(hw);
2028         hns3vf_disable_irq0(hw);
2029         rte_intr_disable(&pci_dev->intr_handle);
2030         hns3_intr_unregister(&pci_dev->intr_handle, hns3vf_interrupt_handler,
2031                              eth_dev);
2032         hns3_cmd_uninit(hw);
2033         hns3_cmd_destroy_queue(hw);
2034         hw->io_base = NULL;
2035 }
2036
2037 static int
2038 hns3vf_do_stop(struct hns3_adapter *hns)
2039 {
2040         struct hns3_hw *hw = &hns->hw;
2041         int ret;
2042
2043         hw->mac.link_status = ETH_LINK_DOWN;
2044
2045         /*
2046          * The "hns3vf_do_stop" function will also be called by .stop_service to
2047          * prepare reset. At the time of global or IMP reset, the command cannot
2048          * be sent to stop the tx/rx queues. The mbuf in Tx/Rx queues may be
2049          * accessed during the reset process. So the mbuf can not be released
2050          * during reset and is required to be released after the reset is
2051          * completed.
2052          */
2053         if (__atomic_load_n(&hw->reset.resetting,  __ATOMIC_RELAXED) == 0)
2054                 hns3_dev_release_mbufs(hns);
2055
2056         if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) {
2057                 hns3vf_configure_mac_addr(hns, true);
2058                 ret = hns3_reset_all_tqps(hns);
2059                 if (ret) {
2060                         hns3_err(hw, "failed to reset all queues ret = %d",
2061                                  ret);
2062                         return ret;
2063                 }
2064         }
2065         return 0;
2066 }
2067
2068 static void
2069 hns3vf_unmap_rx_interrupt(struct rte_eth_dev *dev)
2070 {
2071         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2072         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2073         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2074         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
2075         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
2076         uint16_t q_id;
2077
2078         if (dev->data->dev_conf.intr_conf.rxq == 0)
2079                 return;
2080
2081         /* unmap the ring with vector */
2082         if (rte_intr_allow_others(intr_handle)) {
2083                 vec = RTE_INTR_VEC_RXTX_OFFSET;
2084                 base = RTE_INTR_VEC_RXTX_OFFSET;
2085         }
2086         if (rte_intr_dp_is_en(intr_handle)) {
2087                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
2088                         (void)hns3vf_bind_ring_with_vector(hw, vec, false,
2089                                                            HNS3_RING_TYPE_RX,
2090                                                            q_id);
2091                         if (vec < base + intr_handle->nb_efd - 1)
2092                                 vec++;
2093                 }
2094         }
2095         /* Clean datapath event and queue/vec mapping */
2096         rte_intr_efd_disable(intr_handle);
2097         if (intr_handle->intr_vec) {
2098                 rte_free(intr_handle->intr_vec);
2099                 intr_handle->intr_vec = NULL;
2100         }
2101 }
2102
2103 static int
2104 hns3vf_dev_stop(struct rte_eth_dev *dev)
2105 {
2106         struct hns3_adapter *hns = dev->data->dev_private;
2107         struct hns3_hw *hw = &hns->hw;
2108
2109         PMD_INIT_FUNC_TRACE();
2110         dev->data->dev_started = 0;
2111
2112         hw->adapter_state = HNS3_NIC_STOPPING;
2113         hns3_set_rxtx_function(dev);
2114         rte_wmb();
2115         /* Disable datapath on secondary process. */
2116         hns3_mp_req_stop_rxtx(dev);
2117         /* Prevent crashes when queues are still in use. */
2118         rte_delay_ms(hw->tqps_num);
2119
2120         rte_spinlock_lock(&hw->lock);
2121         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
2122                 hns3_stop_tqps(hw);
2123                 hns3vf_do_stop(hns);
2124                 hns3vf_unmap_rx_interrupt(dev);
2125                 hw->adapter_state = HNS3_NIC_CONFIGURED;
2126         }
2127         hns3_rx_scattered_reset(dev);
2128         hns3vf_stop_poll_job(dev);
2129         hns3_stop_report_lse(dev);
2130         rte_spinlock_unlock(&hw->lock);
2131
2132         return 0;
2133 }
2134
2135 static int
2136 hns3vf_dev_close(struct rte_eth_dev *eth_dev)
2137 {
2138         struct hns3_adapter *hns = eth_dev->data->dev_private;
2139         struct hns3_hw *hw = &hns->hw;
2140         int ret = 0;
2141
2142         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2143                 rte_free(eth_dev->process_private);
2144                 eth_dev->process_private = NULL;
2145                 return 0;
2146         }
2147
2148         if (hw->adapter_state == HNS3_NIC_STARTED)
2149                 ret = hns3vf_dev_stop(eth_dev);
2150
2151         hw->adapter_state = HNS3_NIC_CLOSING;
2152         hns3_reset_abort(hns);
2153         hw->adapter_state = HNS3_NIC_CLOSED;
2154         rte_eal_alarm_cancel(hns3vf_keep_alive_handler, eth_dev);
2155         hns3vf_configure_all_mc_mac_addr(hns, true);
2156         hns3vf_remove_all_vlan_table(hns);
2157         hns3vf_uninit_vf(eth_dev);
2158         hns3_free_all_queues(eth_dev);
2159         rte_free(hw->reset.wait_data);
2160         rte_free(eth_dev->process_private);
2161         eth_dev->process_private = NULL;
2162         hns3_mp_uninit_primary();
2163         hns3_warn(hw, "Close port %u finished", hw->data->port_id);
2164
2165         return ret;
2166 }
2167
2168 static int
2169 hns3vf_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2170                       size_t fw_size)
2171 {
2172         struct hns3_adapter *hns = eth_dev->data->dev_private;
2173         struct hns3_hw *hw = &hns->hw;
2174         uint32_t version = hw->fw_version;
2175         int ret;
2176
2177         ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2178                        hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2179                                       HNS3_FW_VERSION_BYTE3_S),
2180                        hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2181                                       HNS3_FW_VERSION_BYTE2_S),
2182                        hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2183                                       HNS3_FW_VERSION_BYTE1_S),
2184                        hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2185                                       HNS3_FW_VERSION_BYTE0_S));
2186         ret += 1; /* add the size of '\0' */
2187         if (fw_size < (uint32_t)ret)
2188                 return ret;
2189         else
2190                 return 0;
2191 }
2192
2193 static int
2194 hns3vf_dev_link_update(struct rte_eth_dev *eth_dev,
2195                        __rte_unused int wait_to_complete)
2196 {
2197         struct hns3_adapter *hns = eth_dev->data->dev_private;
2198         struct hns3_hw *hw = &hns->hw;
2199         struct hns3_mac *mac = &hw->mac;
2200         struct rte_eth_link new_link;
2201
2202         memset(&new_link, 0, sizeof(new_link));
2203         switch (mac->link_speed) {
2204         case ETH_SPEED_NUM_10M:
2205         case ETH_SPEED_NUM_100M:
2206         case ETH_SPEED_NUM_1G:
2207         case ETH_SPEED_NUM_10G:
2208         case ETH_SPEED_NUM_25G:
2209         case ETH_SPEED_NUM_40G:
2210         case ETH_SPEED_NUM_50G:
2211         case ETH_SPEED_NUM_100G:
2212         case ETH_SPEED_NUM_200G:
2213                 new_link.link_speed = mac->link_speed;
2214                 break;
2215         default:
2216                 if (mac->link_status)
2217                         new_link.link_speed = ETH_SPEED_NUM_UNKNOWN;
2218                 else
2219                         new_link.link_speed = ETH_SPEED_NUM_NONE;
2220                 break;
2221         }
2222
2223         new_link.link_duplex = mac->link_duplex;
2224         new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2225         new_link.link_autoneg =
2226             !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2227
2228         return rte_eth_linkstatus_set(eth_dev, &new_link);
2229 }
2230
2231 static int
2232 hns3vf_do_start(struct hns3_adapter *hns, bool reset_queue)
2233 {
2234         struct hns3_hw *hw = &hns->hw;
2235         uint16_t nb_rx_q = hw->data->nb_rx_queues;
2236         uint16_t nb_tx_q = hw->data->nb_tx_queues;
2237         int ret;
2238
2239         ret = hns3vf_set_tc_queue_mapping(hns, nb_rx_q, nb_tx_q);
2240         if (ret)
2241                 return ret;
2242
2243         hns3_enable_rxd_adv_layout(hw);
2244
2245         ret = hns3_init_queues(hns, reset_queue);
2246         if (ret)
2247                 hns3_err(hw, "failed to init queues, ret = %d.", ret);
2248
2249         return ret;
2250 }
2251
2252 static int
2253 hns3vf_map_rx_interrupt(struct rte_eth_dev *dev)
2254 {
2255         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2256         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2257         struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2258         uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
2259         uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
2260         uint32_t intr_vector;
2261         uint16_t q_id;
2262         int ret;
2263
2264         /*
2265          * hns3 needs a separate interrupt to be used as event interrupt which
2266          * could not be shared with task queue pair, so KERNEL drivers need
2267          * support multiple interrupt vectors.
2268          */
2269         if (dev->data->dev_conf.intr_conf.rxq == 0 ||
2270             !rte_intr_cap_multiple(intr_handle))
2271                 return 0;
2272
2273         rte_intr_disable(intr_handle);
2274         intr_vector = hw->used_rx_queues;
2275         /* It creates event fd for each intr vector when MSIX is used */
2276         if (rte_intr_efd_enable(intr_handle, intr_vector))
2277                 return -EINVAL;
2278
2279         if (intr_handle->intr_vec == NULL) {
2280                 intr_handle->intr_vec =
2281                         rte_zmalloc("intr_vec",
2282                                     hw->used_rx_queues * sizeof(int), 0);
2283                 if (intr_handle->intr_vec == NULL) {
2284                         hns3_err(hw, "Failed to allocate %u rx_queues"
2285                                      " intr_vec", hw->used_rx_queues);
2286                         ret = -ENOMEM;
2287                         goto vf_alloc_intr_vec_error;
2288                 }
2289         }
2290
2291         if (rte_intr_allow_others(intr_handle)) {
2292                 vec = RTE_INTR_VEC_RXTX_OFFSET;
2293                 base = RTE_INTR_VEC_RXTX_OFFSET;
2294         }
2295
2296         for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
2297                 ret = hns3vf_bind_ring_with_vector(hw, vec, true,
2298                                                    HNS3_RING_TYPE_RX, q_id);
2299                 if (ret)
2300                         goto vf_bind_vector_error;
2301                 intr_handle->intr_vec[q_id] = vec;
2302                 /*
2303                  * If there are not enough efds (e.g. not enough interrupt),
2304                  * remaining queues will be bond to the last interrupt.
2305                  */
2306                 if (vec < base + intr_handle->nb_efd - 1)
2307                         vec++;
2308         }
2309         rte_intr_enable(intr_handle);
2310         return 0;
2311
2312 vf_bind_vector_error:
2313         free(intr_handle->intr_vec);
2314         intr_handle->intr_vec = NULL;
2315 vf_alloc_intr_vec_error:
2316         rte_intr_efd_disable(intr_handle);
2317         return ret;
2318 }
2319
2320 static int
2321 hns3vf_restore_rx_interrupt(struct hns3_hw *hw)
2322 {
2323         struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
2324         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2325         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2326         uint16_t q_id;
2327         int ret;
2328
2329         if (dev->data->dev_conf.intr_conf.rxq == 0)
2330                 return 0;
2331
2332         if (rte_intr_dp_is_en(intr_handle)) {
2333                 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
2334                         ret = hns3vf_bind_ring_with_vector(hw,
2335                                         intr_handle->intr_vec[q_id], true,
2336                                         HNS3_RING_TYPE_RX, q_id);
2337                         if (ret)
2338                                 return ret;
2339                 }
2340         }
2341
2342         return 0;
2343 }
2344
2345 static void
2346 hns3vf_restore_filter(struct rte_eth_dev *dev)
2347 {
2348         hns3_restore_rss_filter(dev);
2349 }
2350
2351 static int
2352 hns3vf_dev_start(struct rte_eth_dev *dev)
2353 {
2354         struct hns3_adapter *hns = dev->data->dev_private;
2355         struct hns3_hw *hw = &hns->hw;
2356         int ret;
2357
2358         PMD_INIT_FUNC_TRACE();
2359         if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED))
2360                 return -EBUSY;
2361
2362         rte_spinlock_lock(&hw->lock);
2363         hw->adapter_state = HNS3_NIC_STARTING;
2364         ret = hns3vf_do_start(hns, true);
2365         if (ret) {
2366                 hw->adapter_state = HNS3_NIC_CONFIGURED;
2367                 rte_spinlock_unlock(&hw->lock);
2368                 return ret;
2369         }
2370         ret = hns3vf_map_rx_interrupt(dev);
2371         if (ret)
2372                 goto map_rx_inter_err;
2373
2374         /*
2375          * There are three register used to control the status of a TQP
2376          * (contains a pair of Tx queue and Rx queue) in the new version network
2377          * engine. One is used to control the enabling of Tx queue, the other is
2378          * used to control the enabling of Rx queue, and the last is the master
2379          * switch used to control the enabling of the tqp. The Tx register and
2380          * TQP register must be enabled at the same time to enable a Tx queue.
2381          * The same applies to the Rx queue. For the older network enginem, this
2382          * function only refresh the enabled flag, and it is used to update the
2383          * status of queue in the dpdk framework.
2384          */
2385         ret = hns3_start_all_txqs(dev);
2386         if (ret)
2387                 goto map_rx_inter_err;
2388
2389         ret = hns3_start_all_rxqs(dev);
2390         if (ret)
2391                 goto start_all_rxqs_fail;
2392
2393         hw->adapter_state = HNS3_NIC_STARTED;
2394         rte_spinlock_unlock(&hw->lock);
2395
2396         hns3_rx_scattered_calc(dev);
2397         hns3_set_rxtx_function(dev);
2398         hns3_mp_req_start_rxtx(dev);
2399
2400         hns3vf_restore_filter(dev);
2401
2402         /* Enable interrupt of all rx queues before enabling queues */
2403         hns3_dev_all_rx_queue_intr_enable(hw, true);
2404         hns3_start_tqps(hw);
2405
2406         if (dev->data->dev_conf.intr_conf.lsc != 0)
2407                 hns3vf_dev_link_update(dev, 0);
2408         hns3vf_start_poll_job(dev);
2409
2410         return ret;
2411
2412 start_all_rxqs_fail:
2413         hns3_stop_all_txqs(dev);
2414 map_rx_inter_err:
2415         (void)hns3vf_do_stop(hns);
2416         hw->adapter_state = HNS3_NIC_CONFIGURED;
2417         rte_spinlock_unlock(&hw->lock);
2418
2419         return ret;
2420 }
2421
2422 static bool
2423 is_vf_reset_done(struct hns3_hw *hw)
2424 {
2425 #define HNS3_FUN_RST_ING_BITS \
2426         (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) | \
2427          BIT(HNS3_VECTOR0_CORERESET_INT_B) | \
2428          BIT(HNS3_VECTOR0_IMPRESET_INT_B) | \
2429          BIT(HNS3_VECTOR0_FUNCRESET_INT_B))
2430
2431         uint32_t val;
2432
2433         if (hw->reset.level == HNS3_VF_RESET) {
2434                 val = hns3_read_dev(hw, HNS3_VF_RST_ING);
2435                 if (val & HNS3_VF_RST_ING_BIT)
2436                         return false;
2437         } else {
2438                 val = hns3_read_dev(hw, HNS3_FUN_RST_ING);
2439                 if (val & HNS3_FUN_RST_ING_BITS)
2440                         return false;
2441         }
2442         return true;
2443 }
2444
2445 bool
2446 hns3vf_is_reset_pending(struct hns3_adapter *hns)
2447 {
2448         struct hns3_hw *hw = &hns->hw;
2449         enum hns3_reset_level reset;
2450
2451         /*
2452          * According to the protocol of PCIe, FLR to a PF device resets the PF
2453          * state as well as the SR-IOV extended capability including VF Enable
2454          * which means that VFs no longer exist.
2455          *
2456          * HNS3_VF_FULL_RESET means PF device is in FLR reset. when PF device
2457          * is in FLR stage, the register state of VF device is not reliable,
2458          * so register states detection can not be carried out. In this case,
2459          * we just ignore the register states and return false to indicate that
2460          * there are no other reset states that need to be processed by driver.
2461          */
2462         if (hw->reset.level == HNS3_VF_FULL_RESET)
2463                 return false;
2464
2465         /* Check the registers to confirm whether there is reset pending */
2466         hns3vf_check_event_cause(hns, NULL);
2467         reset = hns3vf_get_reset_level(hw, &hw->reset.pending);
2468         if (hw->reset.level != HNS3_NONE_RESET && reset != HNS3_NONE_RESET &&
2469             hw->reset.level < reset) {
2470                 hns3_warn(hw, "High level reset %d is pending", reset);
2471                 return true;
2472         }
2473         return false;
2474 }
2475
2476 static int
2477 hns3vf_wait_hardware_ready(struct hns3_adapter *hns)
2478 {
2479         struct hns3_hw *hw = &hns->hw;
2480         struct hns3_wait_data *wait_data = hw->reset.wait_data;
2481         struct timeval tv;
2482
2483         if (wait_data->result == HNS3_WAIT_SUCCESS) {
2484                 /*
2485                  * After vf reset is ready, the PF may not have completed
2486                  * the reset processing. The vf sending mbox to PF may fail
2487                  * during the pf reset, so it is better to add extra delay.
2488                  */
2489                 if (hw->reset.level == HNS3_VF_FUNC_RESET ||
2490                     hw->reset.level == HNS3_FLR_RESET)
2491                         return 0;
2492                 /* Reset retry process, no need to add extra delay. */
2493                 if (hw->reset.attempts)
2494                         return 0;
2495                 if (wait_data->check_completion == NULL)
2496                         return 0;
2497
2498                 wait_data->check_completion = NULL;
2499                 wait_data->interval = 1 * MSEC_PER_SEC * USEC_PER_MSEC;
2500                 wait_data->count = 1;
2501                 wait_data->result = HNS3_WAIT_REQUEST;
2502                 rte_eal_alarm_set(wait_data->interval, hns3_wait_callback,
2503                                   wait_data);
2504                 hns3_warn(hw, "hardware is ready, delay 1 sec for PF reset complete");
2505                 return -EAGAIN;
2506         } else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
2507                 gettimeofday(&tv, NULL);
2508                 hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
2509                           tv.tv_sec, tv.tv_usec);
2510                 return -ETIME;
2511         } else if (wait_data->result == HNS3_WAIT_REQUEST)
2512                 return -EAGAIN;
2513
2514         wait_data->hns = hns;
2515         wait_data->check_completion = is_vf_reset_done;
2516         wait_data->end_ms = (uint64_t)HNS3VF_RESET_WAIT_CNT *
2517                                       HNS3VF_RESET_WAIT_MS + get_timeofday_ms();
2518         wait_data->interval = HNS3VF_RESET_WAIT_MS * USEC_PER_MSEC;
2519         wait_data->count = HNS3VF_RESET_WAIT_CNT;
2520         wait_data->result = HNS3_WAIT_REQUEST;
2521         rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
2522         return -EAGAIN;
2523 }
2524
2525 static int
2526 hns3vf_prepare_reset(struct hns3_adapter *hns)
2527 {
2528         struct hns3_hw *hw = &hns->hw;
2529         int ret;
2530
2531         if (hw->reset.level == HNS3_VF_FUNC_RESET) {
2532                 ret = hns3_send_mbx_msg(hw, HNS3_MBX_RESET, 0, NULL,
2533                                         0, true, NULL, 0);
2534                 if (ret)
2535                         return ret;
2536         }
2537         __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
2538
2539         return 0;
2540 }
2541
2542 static int
2543 hns3vf_stop_service(struct hns3_adapter *hns)
2544 {
2545         struct hns3_hw *hw = &hns->hw;
2546         struct rte_eth_dev *eth_dev;
2547
2548         eth_dev = &rte_eth_devices[hw->data->port_id];
2549         if (hw->adapter_state == HNS3_NIC_STARTED) {
2550                 /*
2551                  * Make sure call update link status before hns3vf_stop_poll_job
2552                  * because update link status depend on polling job exist.
2553                  */
2554                 hns3vf_update_link_status(hw, ETH_LINK_DOWN, hw->mac.link_speed,
2555                                           hw->mac.link_duplex);
2556                 hns3vf_stop_poll_job(eth_dev);
2557         }
2558         hw->mac.link_status = ETH_LINK_DOWN;
2559
2560         hns3_set_rxtx_function(eth_dev);
2561         rte_wmb();
2562         /* Disable datapath on secondary process. */
2563         hns3_mp_req_stop_rxtx(eth_dev);
2564         rte_delay_ms(hw->tqps_num);
2565
2566         rte_spinlock_lock(&hw->lock);
2567         if (hw->adapter_state == HNS3_NIC_STARTED ||
2568             hw->adapter_state == HNS3_NIC_STOPPING) {
2569                 hns3_enable_all_queues(hw, false);
2570                 hns3vf_do_stop(hns);
2571                 hw->reset.mbuf_deferred_free = true;
2572         } else
2573                 hw->reset.mbuf_deferred_free = false;
2574
2575         /*
2576          * It is cumbersome for hardware to pick-and-choose entries for deletion
2577          * from table space. Hence, for function reset software intervention is
2578          * required to delete the entries.
2579          */
2580         if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0)
2581                 hns3vf_configure_all_mc_mac_addr(hns, true);
2582         rte_spinlock_unlock(&hw->lock);
2583
2584         return 0;
2585 }
2586
2587 static int
2588 hns3vf_start_service(struct hns3_adapter *hns)
2589 {
2590         struct hns3_hw *hw = &hns->hw;
2591         struct rte_eth_dev *eth_dev;
2592
2593         eth_dev = &rte_eth_devices[hw->data->port_id];
2594         hns3_set_rxtx_function(eth_dev);
2595         hns3_mp_req_start_rxtx(eth_dev);
2596         if (hw->adapter_state == HNS3_NIC_STARTED) {
2597                 hns3vf_start_poll_job(eth_dev);
2598
2599                 /* Enable interrupt of all rx queues before enabling queues */
2600                 hns3_dev_all_rx_queue_intr_enable(hw, true);
2601                 /*
2602                  * Enable state of each rxq and txq will be recovered after
2603                  * reset, so we need to restore them before enable all tqps;
2604                  */
2605                 hns3_restore_tqp_enable_state(hw);
2606                 /*
2607                  * When finished the initialization, enable queues to receive
2608                  * and transmit packets.
2609                  */
2610                 hns3_enable_all_queues(hw, true);
2611         }
2612
2613         return 0;
2614 }
2615
2616 static int
2617 hns3vf_check_default_mac_change(struct hns3_hw *hw)
2618 {
2619         char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
2620         struct rte_ether_addr *hw_mac;
2621         int ret;
2622
2623         /*
2624          * The hns3 PF ethdev driver in kernel support setting VF MAC address
2625          * on the host by "ip link set ..." command. If the hns3 PF kernel
2626          * ethdev driver sets the MAC address for VF device after the
2627          * initialization of the related VF device, the PF driver will notify
2628          * VF driver to reset VF device to make the new MAC address effective
2629          * immediately. The hns3 VF PMD driver should check whether the MAC
2630          * address has been changed by the PF kernel ethdev driver, if changed
2631          * VF driver should configure hardware using the new MAC address in the
2632          * recovering hardware configuration stage of the reset process.
2633          */
2634         ret = hns3vf_get_host_mac_addr(hw);
2635         if (ret)
2636                 return ret;
2637
2638         hw_mac = (struct rte_ether_addr *)hw->mac.mac_addr;
2639         ret = rte_is_zero_ether_addr(hw_mac);
2640         if (ret) {
2641                 rte_ether_addr_copy(&hw->data->mac_addrs[0], hw_mac);
2642         } else {
2643                 ret = rte_is_same_ether_addr(&hw->data->mac_addrs[0], hw_mac);
2644                 if (!ret) {
2645                         rte_ether_addr_copy(hw_mac, &hw->data->mac_addrs[0]);
2646                         hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
2647                                               &hw->data->mac_addrs[0]);
2648                         hns3_warn(hw, "Default MAC address has been changed to:"
2649                                   " %s by the host PF kernel ethdev driver",
2650                                   mac_str);
2651                 }
2652         }
2653
2654         return 0;
2655 }
2656
2657 static int
2658 hns3vf_restore_conf(struct hns3_adapter *hns)
2659 {
2660         struct hns3_hw *hw = &hns->hw;
2661         int ret;
2662
2663         ret = hns3vf_check_default_mac_change(hw);
2664         if (ret)
2665                 return ret;
2666
2667         ret = hns3vf_configure_mac_addr(hns, false);
2668         if (ret)
2669                 return ret;
2670
2671         ret = hns3vf_configure_all_mc_mac_addr(hns, false);
2672         if (ret)
2673                 goto err_mc_mac;
2674
2675         ret = hns3vf_restore_promisc(hns);
2676         if (ret)
2677                 goto err_vlan_table;
2678
2679         ret = hns3vf_restore_vlan_conf(hns);
2680         if (ret)
2681                 goto err_vlan_table;
2682
2683         ret = hns3vf_get_port_base_vlan_filter_state(hw);
2684         if (ret)
2685                 goto err_vlan_table;
2686
2687         ret = hns3vf_restore_rx_interrupt(hw);
2688         if (ret)
2689                 goto err_vlan_table;
2690
2691         ret = hns3_restore_gro_conf(hw);
2692         if (ret)
2693                 goto err_vlan_table;
2694
2695         if (hw->adapter_state == HNS3_NIC_STARTED) {
2696                 ret = hns3vf_do_start(hns, false);
2697                 if (ret)
2698                         goto err_vlan_table;
2699                 hns3_info(hw, "hns3vf dev restart successful!");
2700         } else if (hw->adapter_state == HNS3_NIC_STOPPING)
2701                 hw->adapter_state = HNS3_NIC_CONFIGURED;
2702         return 0;
2703
2704 err_vlan_table:
2705         hns3vf_configure_all_mc_mac_addr(hns, true);
2706 err_mc_mac:
2707         hns3vf_configure_mac_addr(hns, true);
2708         return ret;
2709 }
2710
2711 static enum hns3_reset_level
2712 hns3vf_get_reset_level(struct hns3_hw *hw, uint64_t *levels)
2713 {
2714         enum hns3_reset_level reset_level;
2715
2716         /* return the highest priority reset level amongst all */
2717         if (hns3_atomic_test_bit(HNS3_VF_RESET, levels))
2718                 reset_level = HNS3_VF_RESET;
2719         else if (hns3_atomic_test_bit(HNS3_VF_FULL_RESET, levels))
2720                 reset_level = HNS3_VF_FULL_RESET;
2721         else if (hns3_atomic_test_bit(HNS3_VF_PF_FUNC_RESET, levels))
2722                 reset_level = HNS3_VF_PF_FUNC_RESET;
2723         else if (hns3_atomic_test_bit(HNS3_VF_FUNC_RESET, levels))
2724                 reset_level = HNS3_VF_FUNC_RESET;
2725         else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
2726                 reset_level = HNS3_FLR_RESET;
2727         else
2728                 reset_level = HNS3_NONE_RESET;
2729
2730         if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
2731                 return HNS3_NONE_RESET;
2732
2733         return reset_level;
2734 }
2735
2736 static void
2737 hns3vf_reset_service(void *param)
2738 {
2739         struct hns3_adapter *hns = (struct hns3_adapter *)param;
2740         struct hns3_hw *hw = &hns->hw;
2741         enum hns3_reset_level reset_level;
2742         struct timeval tv_delta;
2743         struct timeval tv_start;
2744         struct timeval tv;
2745         uint64_t msec;
2746
2747         /*
2748          * The interrupt is not triggered within the delay time.
2749          * The interrupt may have been lost. It is necessary to handle
2750          * the interrupt to recover from the error.
2751          */
2752         if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
2753                             SCHEDULE_DEFERRED) {
2754                 __atomic_store_n(&hw->reset.schedule, SCHEDULE_REQUESTED,
2755                                  __ATOMIC_RELAXED);
2756                 hns3_err(hw, "Handling interrupts in delayed tasks");
2757                 hns3vf_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
2758                 reset_level = hns3vf_get_reset_level(hw, &hw->reset.pending);
2759                 if (reset_level == HNS3_NONE_RESET) {
2760                         hns3_err(hw, "No reset level is set, try global reset");
2761                         hns3_atomic_set_bit(HNS3_VF_RESET, &hw->reset.pending);
2762                 }
2763         }
2764         __atomic_store_n(&hw->reset.schedule, SCHEDULE_NONE, __ATOMIC_RELAXED);
2765
2766         /*
2767          * Hardware reset has been notified, we now have to poll & check if
2768          * hardware has actually completed the reset sequence.
2769          */
2770         reset_level = hns3vf_get_reset_level(hw, &hw->reset.pending);
2771         if (reset_level != HNS3_NONE_RESET) {
2772                 gettimeofday(&tv_start, NULL);
2773                 hns3_reset_process(hns, reset_level);
2774                 gettimeofday(&tv, NULL);
2775                 timersub(&tv, &tv_start, &tv_delta);
2776                 msec = tv_delta.tv_sec * MSEC_PER_SEC +
2777                        tv_delta.tv_usec / USEC_PER_MSEC;
2778                 if (msec > HNS3_RESET_PROCESS_MS)
2779                         hns3_err(hw, "%d handle long time delta %" PRIx64
2780                                  " ms time=%ld.%.6ld",
2781                                  hw->reset.level, msec, tv.tv_sec, tv.tv_usec);
2782         }
2783 }
2784
2785 static int
2786 hns3vf_reinit_dev(struct hns3_adapter *hns)
2787 {
2788         struct rte_eth_dev *eth_dev = &rte_eth_devices[hns->hw.data->port_id];
2789         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2790         struct hns3_hw *hw = &hns->hw;
2791         int ret;
2792
2793         if (hw->reset.level == HNS3_VF_FULL_RESET) {
2794                 rte_intr_disable(&pci_dev->intr_handle);
2795                 ret = hns3vf_set_bus_master(pci_dev, true);
2796                 if (ret < 0) {
2797                         hns3_err(hw, "failed to set pci bus, ret = %d", ret);
2798                         return ret;
2799                 }
2800         }
2801
2802         /* Firmware command initialize */
2803         ret = hns3_cmd_init(hw);
2804         if (ret) {
2805                 hns3_err(hw, "Failed to init cmd: %d", ret);
2806                 return ret;
2807         }
2808
2809         if (hw->reset.level == HNS3_VF_FULL_RESET) {
2810                 /*
2811                  * UIO enables msix by writing the pcie configuration space
2812                  * vfio_pci enables msix in rte_intr_enable.
2813                  */
2814                 if (pci_dev->kdrv == RTE_PCI_KDRV_IGB_UIO ||
2815                     pci_dev->kdrv == RTE_PCI_KDRV_UIO_GENERIC) {
2816                         if (hns3vf_enable_msix(pci_dev, true))
2817                                 hns3_err(hw, "Failed to enable msix");
2818                 }
2819
2820                 rte_intr_enable(&pci_dev->intr_handle);
2821         }
2822
2823         ret = hns3_reset_all_tqps(hns);
2824         if (ret) {
2825                 hns3_err(hw, "Failed to reset all queues: %d", ret);
2826                 return ret;
2827         }
2828
2829         ret = hns3vf_init_hardware(hns);
2830         if (ret) {
2831                 hns3_err(hw, "Failed to init hardware: %d", ret);
2832                 return ret;
2833         }
2834
2835         return 0;
2836 }
2837
2838 static const struct eth_dev_ops hns3vf_eth_dev_ops = {
2839         .dev_configure      = hns3vf_dev_configure,
2840         .dev_start          = hns3vf_dev_start,
2841         .dev_stop           = hns3vf_dev_stop,
2842         .dev_close          = hns3vf_dev_close,
2843         .mtu_set            = hns3vf_dev_mtu_set,
2844         .promiscuous_enable = hns3vf_dev_promiscuous_enable,
2845         .promiscuous_disable = hns3vf_dev_promiscuous_disable,
2846         .allmulticast_enable = hns3vf_dev_allmulticast_enable,
2847         .allmulticast_disable = hns3vf_dev_allmulticast_disable,
2848         .stats_get          = hns3_stats_get,
2849         .stats_reset        = hns3_stats_reset,
2850         .xstats_get         = hns3_dev_xstats_get,
2851         .xstats_get_names   = hns3_dev_xstats_get_names,
2852         .xstats_reset       = hns3_dev_xstats_reset,
2853         .xstats_get_by_id   = hns3_dev_xstats_get_by_id,
2854         .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
2855         .dev_infos_get      = hns3vf_dev_infos_get,
2856         .fw_version_get     = hns3vf_fw_version_get,
2857         .rx_queue_setup     = hns3_rx_queue_setup,
2858         .tx_queue_setup     = hns3_tx_queue_setup,
2859         .rx_queue_release   = hns3_dev_rx_queue_release,
2860         .tx_queue_release   = hns3_dev_tx_queue_release,
2861         .rx_queue_start     = hns3_dev_rx_queue_start,
2862         .rx_queue_stop      = hns3_dev_rx_queue_stop,
2863         .tx_queue_start     = hns3_dev_tx_queue_start,
2864         .tx_queue_stop      = hns3_dev_tx_queue_stop,
2865         .rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
2866         .rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
2867         .rxq_info_get       = hns3_rxq_info_get,
2868         .txq_info_get       = hns3_txq_info_get,
2869         .rx_burst_mode_get  = hns3_rx_burst_mode_get,
2870         .tx_burst_mode_get  = hns3_tx_burst_mode_get,
2871         .mac_addr_add       = hns3vf_add_mac_addr,
2872         .mac_addr_remove    = hns3vf_remove_mac_addr,
2873         .mac_addr_set       = hns3vf_set_default_mac_addr,
2874         .set_mc_addr_list   = hns3vf_set_mc_mac_addr_list,
2875         .link_update        = hns3vf_dev_link_update,
2876         .rss_hash_update    = hns3_dev_rss_hash_update,
2877         .rss_hash_conf_get  = hns3_dev_rss_hash_conf_get,
2878         .reta_update        = hns3_dev_rss_reta_update,
2879         .reta_query         = hns3_dev_rss_reta_query,
2880         .flow_ops_get       = hns3_dev_flow_ops_get,
2881         .vlan_filter_set    = hns3vf_vlan_filter_set,
2882         .vlan_offload_set   = hns3vf_vlan_offload_set,
2883         .get_reg            = hns3_get_regs,
2884         .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
2885         .tx_done_cleanup    = hns3_tx_done_cleanup,
2886 };
2887
2888 static const struct hns3_reset_ops hns3vf_reset_ops = {
2889         .reset_service       = hns3vf_reset_service,
2890         .stop_service        = hns3vf_stop_service,
2891         .prepare_reset       = hns3vf_prepare_reset,
2892         .wait_hardware_ready = hns3vf_wait_hardware_ready,
2893         .reinit_dev          = hns3vf_reinit_dev,
2894         .restore_conf        = hns3vf_restore_conf,
2895         .start_service       = hns3vf_start_service,
2896 };
2897
2898 static int
2899 hns3vf_dev_init(struct rte_eth_dev *eth_dev)
2900 {
2901         struct hns3_adapter *hns = eth_dev->data->dev_private;
2902         struct hns3_hw *hw = &hns->hw;
2903         int ret;
2904
2905         PMD_INIT_FUNC_TRACE();
2906
2907         eth_dev->process_private = (struct hns3_process_private *)
2908             rte_zmalloc_socket("hns3_filter_list",
2909                                sizeof(struct hns3_process_private),
2910                                RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
2911         if (eth_dev->process_private == NULL) {
2912                 PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
2913                 return -ENOMEM;
2914         }
2915
2916         /* initialize flow filter lists */
2917         hns3_filterlist_init(eth_dev);
2918
2919         hns3_set_rxtx_function(eth_dev);
2920         eth_dev->dev_ops = &hns3vf_eth_dev_ops;
2921         eth_dev->rx_queue_count = hns3_rx_queue_count;
2922         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2923                 ret = hns3_mp_init_secondary();
2924                 if (ret) {
2925                         PMD_INIT_LOG(ERR, "Failed to init for secondary "
2926                                           "process, ret = %d", ret);
2927                         goto err_mp_init_secondary;
2928                 }
2929
2930                 hw->secondary_cnt++;
2931                 return 0;
2932         }
2933
2934         ret = hns3_mp_init_primary();
2935         if (ret) {
2936                 PMD_INIT_LOG(ERR,
2937                              "Failed to init for primary process, ret = %d",
2938                              ret);
2939                 goto err_mp_init_primary;
2940         }
2941
2942         hw->adapter_state = HNS3_NIC_UNINITIALIZED;
2943         hns->is_vf = true;
2944         hw->data = eth_dev->data;
2945         hns3_parse_devargs(eth_dev);
2946
2947         ret = hns3_reset_init(hw);
2948         if (ret)
2949                 goto err_init_reset;
2950         hw->reset.ops = &hns3vf_reset_ops;
2951
2952         ret = hns3vf_init_vf(eth_dev);
2953         if (ret) {
2954                 PMD_INIT_LOG(ERR, "Failed to init vf: %d", ret);
2955                 goto err_init_vf;
2956         }
2957
2958         /* Allocate memory for storing MAC addresses */
2959         eth_dev->data->mac_addrs = rte_zmalloc("hns3vf-mac",
2960                                                sizeof(struct rte_ether_addr) *
2961                                                HNS3_VF_UC_MACADDR_NUM, 0);
2962         if (eth_dev->data->mac_addrs == NULL) {
2963                 PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
2964                              "to store MAC addresses",
2965                              sizeof(struct rte_ether_addr) *
2966                              HNS3_VF_UC_MACADDR_NUM);
2967                 ret = -ENOMEM;
2968                 goto err_rte_zmalloc;
2969         }
2970
2971         /*
2972          * The hns3 PF ethdev driver in kernel support setting VF MAC address
2973          * on the host by "ip link set ..." command. To avoid some incorrect
2974          * scenes, for example, hns3 VF PMD driver fails to receive and send
2975          * packets after user configure the MAC address by using the
2976          * "ip link set ..." command, hns3 VF PMD driver keep the same MAC
2977          * address strategy as the hns3 kernel ethdev driver in the
2978          * initialization. If user configure a MAC address by the ip command
2979          * for VF device, then hns3 VF PMD driver will start with it, otherwise
2980          * start with a random MAC address in the initialization.
2981          */
2982         if (rte_is_zero_ether_addr((struct rte_ether_addr *)hw->mac.mac_addr))
2983                 rte_eth_random_addr(hw->mac.mac_addr);
2984         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
2985                             &eth_dev->data->mac_addrs[0]);
2986
2987         hw->adapter_state = HNS3_NIC_INITIALIZED;
2988
2989         if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
2990                             SCHEDULE_PENDING) {
2991                 hns3_err(hw, "Reschedule reset service after dev_init");
2992                 hns3_schedule_reset(hns);
2993         } else {
2994                 /* IMP will wait ready flag before reset */
2995                 hns3_notify_reset_ready(hw, false);
2996         }
2997         rte_eal_alarm_set(HNS3VF_KEEP_ALIVE_INTERVAL, hns3vf_keep_alive_handler,
2998                           eth_dev);
2999         return 0;
3000
3001 err_rte_zmalloc:
3002         hns3vf_uninit_vf(eth_dev);
3003
3004 err_init_vf:
3005         rte_free(hw->reset.wait_data);
3006
3007 err_init_reset:
3008         hns3_mp_uninit_primary();
3009
3010 err_mp_init_primary:
3011 err_mp_init_secondary:
3012         eth_dev->dev_ops = NULL;
3013         eth_dev->rx_pkt_burst = NULL;
3014         eth_dev->rx_descriptor_status = NULL;
3015         eth_dev->tx_pkt_burst = NULL;
3016         eth_dev->tx_pkt_prepare = NULL;
3017         eth_dev->tx_descriptor_status = NULL;
3018         rte_free(eth_dev->process_private);
3019         eth_dev->process_private = NULL;
3020
3021         return ret;
3022 }
3023
3024 static int
3025 hns3vf_dev_uninit(struct rte_eth_dev *eth_dev)
3026 {
3027         struct hns3_adapter *hns = eth_dev->data->dev_private;
3028         struct hns3_hw *hw = &hns->hw;
3029
3030         PMD_INIT_FUNC_TRACE();
3031
3032         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
3033                 rte_free(eth_dev->process_private);
3034                 eth_dev->process_private = NULL;
3035                 return 0;
3036         }
3037
3038         if (hw->adapter_state < HNS3_NIC_CLOSING)
3039                 hns3vf_dev_close(eth_dev);
3040
3041         hw->adapter_state = HNS3_NIC_REMOVED;
3042         return 0;
3043 }
3044
3045 static int
3046 eth_hns3vf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
3047                      struct rte_pci_device *pci_dev)
3048 {
3049         return rte_eth_dev_pci_generic_probe(pci_dev,
3050                                              sizeof(struct hns3_adapter),
3051                                              hns3vf_dev_init);
3052 }
3053
3054 static int
3055 eth_hns3vf_pci_remove(struct rte_pci_device *pci_dev)
3056 {
3057         return rte_eth_dev_pci_generic_remove(pci_dev, hns3vf_dev_uninit);
3058 }
3059
3060 static const struct rte_pci_id pci_id_hns3vf_map[] = {
3061         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_VF) },
3062         { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_PFC_VF) },
3063         { .vendor_id = 0, }, /* sentinel */
3064 };
3065
3066 static struct rte_pci_driver rte_hns3vf_pmd = {
3067         .id_table = pci_id_hns3vf_map,
3068         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
3069         .probe = eth_hns3vf_pci_probe,
3070         .remove = eth_hns3vf_pci_remove,
3071 };
3072
3073 RTE_PMD_REGISTER_PCI(net_hns3_vf, rte_hns3vf_pmd);
3074 RTE_PMD_REGISTER_PCI_TABLE(net_hns3_vf, pci_id_hns3vf_map);
3075 RTE_PMD_REGISTER_KMOD_DEP(net_hns3_vf, "* igb_uio | vfio-pci");
3076 RTE_PMD_REGISTER_PARAM_STRING(net_hns3_vf,
3077                 HNS3_DEVARG_RX_FUNC_HINT "=vec|sve|simple|common "
3078                 HNS3_DEVARG_TX_FUNC_HINT "=vec|sve|simple|common ");