drivers/net/hns3/hns3_fdir.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018-2019 Hisilicon Limited.
   3  */
   4
   5 #include <stdbool.h>
   6 #include <rte_ethdev_driver.h>
   7 #include <rte_hash.h>
   8 #include <rte_hash_crc.h>
   9 #include <rte_io.h>
  10 #include <rte_malloc.h>
  11
  12 #include "hns3_ethdev.h"
  13 #include "hns3_logs.h"
  14
  15 #define HNS3_VLAN_TAG_TYPE_NONE         0
  16 #define HNS3_VLAN_TAG_TYPE_TAG2         1
  17 #define HNS3_VLAN_TAG_TYPE_TAG1         2
  18 #define HNS3_VLAN_TAG_TYPE_TAG1_2       3
  19
  20 #define HNS3_PF_ID_S                    0
  21 #define HNS3_PF_ID_M                    GENMASK(2, 0)
  22 #define HNS3_VF_ID_S                    3
  23 #define HNS3_VF_ID_M                    GENMASK(10, 3)
  24 #define HNS3_PORT_TYPE_B                11
  25 #define HNS3_NETWORK_PORT_ID_S          0
  26 #define HNS3_NETWORK_PORT_ID_M          GENMASK(3, 0)
  27
  28 #define HNS3_FD_EPORT_SW_EN_B           0
  29
  30 #define HNS3_FD_AD_DATA_S               32
  31 #define HNS3_FD_AD_DROP_B               0
  32 #define HNS3_FD_AD_DIRECT_QID_B         1
  33 #define HNS3_FD_AD_QID_S                2
  34 #define HNS3_FD_AD_QID_M                GENMASK(11, 2)
  35 #define HNS3_FD_AD_USE_COUNTER_B        12
  36 #define HNS3_FD_AD_COUNTER_NUM_S        13
  37 #define HNS3_FD_AD_COUNTER_NUM_M        GENMASK(19, 13)
  38 #define HNS3_FD_AD_NXT_STEP_B           20
  39 #define HNS3_FD_AD_NXT_KEY_S            21
  40 #define HNS3_FD_AD_NXT_KEY_M            GENMASK(25, 21)
  41 #define HNS3_FD_AD_WR_RULE_ID_B         0
  42 #define HNS3_FD_AD_RULE_ID_S            1
  43 #define HNS3_FD_AD_RULE_ID_M            GENMASK(12, 1)
  44 #define HNS3_FD_AD_QUEUE_REGION_EN_B    16
  45 #define HNS3_FD_AD_QUEUE_REGION_SIZE_S  17
  46 #define HNS3_FD_AD_QUEUE_REGION_SIZE_M  GENMASK(20, 17)
  47 #define HNS3_FD_AD_COUNTER_HIGH_BIT     7
  48 #define HNS3_FD_AD_COUNTER_HIGH_BIT_B   26
  49
  50 enum HNS3_PORT_TYPE {
  51         HOST_PORT,
  52         NETWORK_PORT
  53 };
  54
  55 enum HNS3_FD_MODE {
  56         HNS3_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1,
  57         HNS3_FD_MODE_DEPTH_1K_WIDTH_400B_STAGE_2,
  58         HNS3_FD_MODE_DEPTH_4K_WIDTH_200B_STAGE_1,
  59         HNS3_FD_MODE_DEPTH_2K_WIDTH_200B_STAGE_2,
  60 };
  61
  62 enum HNS3_FD_KEY_TYPE {
  63         HNS3_FD_KEY_BASE_ON_PTYPE,
  64         HNS3_FD_KEY_BASE_ON_TUPLE,
  65 };
  66
  67 enum HNS3_FD_META_DATA {
  68         PACKET_TYPE_ID,
  69         IP_FRAGEMENT,
  70         ROCE_TYPE,
  71         NEXT_KEY,
  72         VLAN_NUMBER,
  73         SRC_VPORT,
  74         DST_VPORT,
  75         TUNNEL_PACKET,
  76         MAX_META_DATA,
  77 };
  78
  79 struct key_info {
  80         uint8_t key_type;
  81         uint8_t key_length;
  82 };
  83
  84 static const struct key_info meta_data_key_info[] = {
  85         {PACKET_TYPE_ID, 6},
  86         {IP_FRAGEMENT, 1},
  87         {ROCE_TYPE, 1},
  88         {NEXT_KEY, 5},
  89         {VLAN_NUMBER, 2},
  90         {SRC_VPORT, 12},
  91         {DST_VPORT, 12},
  92         {TUNNEL_PACKET, 1},
  93 };
  94
  95 static const struct key_info tuple_key_info[] = {
  96         {OUTER_DST_MAC, 48},
  97         {OUTER_SRC_MAC, 48},
  98         {OUTER_VLAN_TAG_FST, 16},
  99         {OUTER_VLAN_TAG_SEC, 16},
 100         {OUTER_ETH_TYPE, 16},
 101         {OUTER_L2_RSV, 16},
 102         {OUTER_IP_TOS, 8},
 103         {OUTER_IP_PROTO, 8},
 104         {OUTER_SRC_IP, 32},
 105         {OUTER_DST_IP, 32},
 106         {OUTER_L3_RSV, 16},
 107         {OUTER_SRC_PORT, 16},
 108         {OUTER_DST_PORT, 16},
 109         {OUTER_L4_RSV, 32},
 110         {OUTER_TUN_VNI, 24},
 111         {OUTER_TUN_FLOW_ID, 8},
 112         {INNER_DST_MAC, 48},
 113         {INNER_SRC_MAC, 48},
 114         {INNER_VLAN_TAG1, 16},
 115         {INNER_VLAN_TAG2, 16},
 116         {INNER_ETH_TYPE, 16},
 117         {INNER_L2_RSV, 16},
 118         {INNER_IP_TOS, 8},
 119         {INNER_IP_PROTO, 8},
 120         {INNER_SRC_IP, 32},
 121         {INNER_DST_IP, 32},
 122         {INNER_L3_RSV, 16},
 123         {INNER_SRC_PORT, 16},
 124         {INNER_DST_PORT, 16},
 125         {INNER_SCTP_TAG, 32},
 126 };
 127
 128 #define MAX_KEY_LENGTH          400
 129 #define MAX_200B_KEY_LENGTH     200
 130 #define MAX_META_DATA_LENGTH    16
 131 #define MAX_KEY_DWORDS  DIV_ROUND_UP(MAX_KEY_LENGTH / HNS3_BITS_PER_BYTE, 4)
 132 #define MAX_KEY_BYTES   (MAX_KEY_DWORDS * 4)
 133
 134 enum HNS3_FD_PACKET_TYPE {
 135         NIC_PACKET,
 136         ROCE_PACKET,
 137 };
 138
 139 /* For each bit of TCAM entry, it uses a pair of 'x' and
 140  * 'y' to indicate which value to match, like below:
 141  * ----------------------------------
 142  * | bit x | bit y |  search value  |
 143  * ----------------------------------
 144  * |   0   |   0   |   always hit   |
 145  * ----------------------------------
 146  * |   1   |   0   |   match '0'    |
 147  * ----------------------------------
 148  * |   0   |   1   |   match '1'    |
 149  * ----------------------------------
 150  * |   1   |   1   |   invalid      |
 151  * ----------------------------------
 152  * Then for input key(k) and mask(v), we can calculate the value by
 153  * the formulae:
 154  *      x = (~k) & v
 155  *      y = k & v
 156  */
 157 #define calc_x(x, k, v) ((x) = (~(k) & (v)))
 158 #define calc_y(y, k, v) ((y) = ((k) & (v)))
 159
 160 struct hns3_fd_tcam_config_1_cmd {
 161         uint8_t stage;
 162         uint8_t xy_sel;
 163         uint8_t port_info;
 164         uint8_t rsv1[1];
 165         rte_le32_t index;
 166         uint8_t entry_vld;
 167         uint8_t rsv2[7];
 168         uint8_t tcam_data[8];
 169 };
 170
 171 struct hns3_fd_tcam_config_2_cmd {
 172         uint8_t tcam_data[24];
 173 };
 174
 175 struct hns3_fd_tcam_config_3_cmd {
 176         uint8_t tcam_data[20];
 177         uint8_t rsv[4];
 178 };
 179
 180 struct hns3_get_fd_mode_cmd {
 181         uint8_t mode;
 182         uint8_t enable;
 183         uint8_t rsv[22];
 184 };
 185
 186 struct hns3_get_fd_allocation_cmd {
 187         rte_le32_t stage1_entry_num;
 188         rte_le32_t stage2_entry_num;
 189         rte_le16_t stage1_counter_num;
 190         rte_le16_t stage2_counter_num;
 191         uint8_t rsv[12];
 192 };
 193
 194 struct hns3_set_fd_key_config_cmd {
 195         uint8_t stage;
 196         uint8_t key_select;
 197         uint8_t inner_sipv6_word_en;
 198         uint8_t inner_dipv6_word_en;
 199         uint8_t outer_sipv6_word_en;
 200         uint8_t outer_dipv6_word_en;
 201         uint8_t rsv1[2];
 202         rte_le32_t tuple_mask;
 203         rte_le32_t meta_data_mask;
 204         uint8_t rsv2[8];
 205 };
 206
 207 struct hns3_fd_ad_config_cmd {
 208         uint8_t stage;
 209         uint8_t rsv1[3];
 210         rte_le32_t index;
 211         rte_le64_t ad_data;
 212         uint8_t rsv2[8];
 213 };
 214
 215 struct hns3_fd_get_cnt_cmd {
 216         uint8_t stage;
 217         uint8_t rsv1[3];
 218         rte_le16_t index;
 219         uint8_t rsv2[2];
 220         rte_le64_t value;
 221         uint8_t rsv3[8];
 222 };
 223
 224 static int hns3_get_fd_mode(struct hns3_hw *hw, uint8_t *fd_mode)
 225 {
 226         struct hns3_get_fd_mode_cmd *req;
 227         struct hns3_cmd_desc desc;
 228         int ret;
 229
 230         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_MODE_CTRL, true);
 231
 232         req = (struct hns3_get_fd_mode_cmd *)desc.data;
 233
 234         ret = hns3_cmd_send(hw, &desc, 1);
 235         if (ret) {
 236                 hns3_err(hw, "Get fd mode fail, ret=%d", ret);
 237                 return ret;
 238         }
 239
 240         *fd_mode = req->mode;
 241
 242         return ret;
 243 }
 244
 245 static int hns3_get_fd_allocation(struct hns3_hw *hw,
 246                                   uint32_t *stage1_entry_num,
 247                                   uint32_t *stage2_entry_num,
 248                                   uint16_t *stage1_counter_num,
 249                                   uint16_t *stage2_counter_num)
 250 {
 251         struct hns3_get_fd_allocation_cmd *req;
 252         struct hns3_cmd_desc desc;
 253         int ret;
 254
 255         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_GET_ALLOCATION, true);
 256
 257         req = (struct hns3_get_fd_allocation_cmd *)desc.data;
 258
 259         ret = hns3_cmd_send(hw, &desc, 1);
 260         if (ret) {
 261                 hns3_err(hw, "Query fd allocation fail, ret=%d", ret);
 262                 return ret;
 263         }
 264
 265         *stage1_entry_num = rte_le_to_cpu_32(req->stage1_entry_num);
 266         *stage2_entry_num = rte_le_to_cpu_32(req->stage2_entry_num);
 267         *stage1_counter_num = rte_le_to_cpu_16(req->stage1_counter_num);
 268         *stage2_counter_num = rte_le_to_cpu_16(req->stage2_counter_num);
 269
 270         return ret;
 271 }
 272
 273 static int hns3_set_fd_key_config(struct hns3_adapter *hns)
 274 {
 275         struct hns3_set_fd_key_config_cmd *req;
 276         struct hns3_fd_key_cfg *key_cfg;
 277         struct hns3_pf *pf = &hns->pf;
 278         struct hns3_hw *hw = &hns->hw;
 279         struct hns3_cmd_desc desc;
 280         int ret;
 281
 282         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_KEY_CONFIG, false);
 283
 284         req = (struct hns3_set_fd_key_config_cmd *)desc.data;
 285         key_cfg = &pf->fdir.fd_cfg.key_cfg[HNS3_FD_STAGE_1];
 286         req->stage = HNS3_FD_STAGE_1;
 287         req->key_select = key_cfg->key_sel;
 288         req->inner_sipv6_word_en = key_cfg->inner_sipv6_word_en;
 289         req->inner_dipv6_word_en = key_cfg->inner_dipv6_word_en;
 290         req->outer_sipv6_word_en = key_cfg->outer_sipv6_word_en;
 291         req->outer_dipv6_word_en = key_cfg->outer_dipv6_word_en;
 292         req->tuple_mask = rte_cpu_to_le_32(~key_cfg->tuple_active);
 293         req->meta_data_mask = rte_cpu_to_le_32(~key_cfg->meta_data_active);
 294
 295         ret = hns3_cmd_send(hw, &desc, 1);
 296         if (ret)
 297                 hns3_err(hw, "Set fd key fail, ret=%d", ret);
 298
 299         return ret;
 300 }
 301
 302 int hns3_init_fd_config(struct hns3_adapter *hns)
 303 {
 304         struct hns3_pf *pf = &hns->pf;
 305         struct hns3_hw *hw = &hns->hw;
 306         struct hns3_fd_key_cfg *key_cfg;
 307         int ret;
 308
 309         ret = hns3_get_fd_mode(hw, &pf->fdir.fd_cfg.fd_mode);
 310         if (ret)
 311                 return ret;
 312
 313         switch (pf->fdir.fd_cfg.fd_mode) {
 314         case HNS3_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1:
 315                 pf->fdir.fd_cfg.max_key_length = MAX_KEY_LENGTH;
 316                 break;
 317         case HNS3_FD_MODE_DEPTH_4K_WIDTH_200B_STAGE_1:
 318                 pf->fdir.fd_cfg.max_key_length = MAX_200B_KEY_LENGTH;
 319                 hns3_warn(hw, "Unsupported tunnel filter in 4K*200Bit");
 320                 break;
 321         default:
 322                 hns3_err(hw, "Unsupported flow director mode %d",
 323                             pf->fdir.fd_cfg.fd_mode);
 324                 return -EOPNOTSUPP;
 325         }
 326
 327         key_cfg = &pf->fdir.fd_cfg.key_cfg[HNS3_FD_STAGE_1];
 328         key_cfg->key_sel = HNS3_FD_KEY_BASE_ON_TUPLE;
 329         key_cfg->inner_sipv6_word_en = IPV6_ADDR_WORD_MASK;
 330         key_cfg->inner_dipv6_word_en = IPV6_ADDR_WORD_MASK;
 331         key_cfg->outer_sipv6_word_en = 0;
 332         key_cfg->outer_dipv6_word_en = 0;
 333
 334         key_cfg->tuple_active = BIT(INNER_VLAN_TAG1) | BIT(INNER_ETH_TYPE) |
 335             BIT(INNER_IP_PROTO) | BIT(INNER_IP_TOS) |
 336             BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
 337             BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
 338
 339         /* If use max 400bit key, we can support tuples for ether type */
 340         if (pf->fdir.fd_cfg.max_key_length == MAX_KEY_LENGTH) {
 341                 key_cfg->tuple_active |=
 342                     BIT(INNER_DST_MAC) | BIT(INNER_SRC_MAC) |
 343                     BIT(OUTER_SRC_PORT) | BIT(INNER_SCTP_TAG) |
 344                     BIT(OUTER_DST_PORT) | BIT(INNER_VLAN_TAG2) |
 345                     BIT(OUTER_TUN_VNI) | BIT(OUTER_TUN_FLOW_ID) |
 346                     BIT(OUTER_ETH_TYPE) | BIT(OUTER_IP_PROTO);
 347         }
 348
 349         /* roce_type is used to filter roce frames
 350          * dst_vport is used to specify the rule
 351          */
 352         key_cfg->meta_data_active = BIT(DST_VPORT) | BIT(TUNNEL_PACKET) |
 353             BIT(VLAN_NUMBER);
 354
 355         ret = hns3_get_fd_allocation(hw,
 356                                      &pf->fdir.fd_cfg.rule_num[HNS3_FD_STAGE_1],
 357                                      &pf->fdir.fd_cfg.rule_num[HNS3_FD_STAGE_2],
 358                                      &pf->fdir.fd_cfg.cnt_num[HNS3_FD_STAGE_1],
 359                                      &pf->fdir.fd_cfg.cnt_num[HNS3_FD_STAGE_2]);
 360         if (ret)
 361                 return ret;
 362
 363         return hns3_set_fd_key_config(hns);
 364 }
 365
 366 static int hns3_fd_tcam_config(struct hns3_hw *hw, bool sel_x, int loc,
 367                                uint8_t *key, bool is_add)
 368 {
 369 #define FD_TCAM_CMD_NUM 3
 370         struct hns3_fd_tcam_config_1_cmd *req1;
 371         struct hns3_fd_tcam_config_2_cmd *req2;
 372         struct hns3_fd_tcam_config_3_cmd *req3;
 373         struct hns3_cmd_desc desc[FD_TCAM_CMD_NUM];
 374         int len;
 375         int ret;
 376
 377         hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_FD_TCAM_OP, false);
 378         desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
 379         hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_FD_TCAM_OP, false);
 380         desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
 381         hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_FD_TCAM_OP, false);
 382
 383         req1 = (struct hns3_fd_tcam_config_1_cmd *)desc[0].data;
 384         req2 = (struct hns3_fd_tcam_config_2_cmd *)desc[1].data;
 385         req3 = (struct hns3_fd_tcam_config_3_cmd *)desc[2].data;
 386
 387         req1->stage = HNS3_FD_STAGE_1;
 388         req1->xy_sel = sel_x ? 1 : 0;
 389         hns3_set_bit(req1->port_info, HNS3_FD_EPORT_SW_EN_B, 0);
 390         req1->index = rte_cpu_to_le_32(loc);
 391         req1->entry_vld = sel_x ? is_add : 0;
 392
 393         if (key) {
 394                 len = sizeof(req1->tcam_data);
 395                 memcpy(req1->tcam_data, key, len);
 396                 key += len;
 397
 398                 len = sizeof(req2->tcam_data);
 399                 memcpy(req2->tcam_data, key, len);
 400                 key += len;
 401
 402                 len = sizeof(req3->tcam_data);
 403                 memcpy(req3->tcam_data, key, len);
 404         }
 405
 406         ret = hns3_cmd_send(hw, desc, FD_TCAM_CMD_NUM);
 407         if (ret)
 408                 hns3_err(hw, "Config tcam key fail, ret=%d loc=%d add=%d",
 409                             ret, loc, is_add);
 410         return ret;
 411 }
 412
 413 static int hns3_fd_ad_config(struct hns3_hw *hw, int loc,
 414                              struct hns3_fd_ad_data *action)
 415 {
 416         struct hns3_fd_ad_config_cmd *req;
 417         struct hns3_cmd_desc desc;
 418         uint64_t ad_data = 0;
 419         int ret;
 420
 421         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_AD_OP, false);
 422
 423         req = (struct hns3_fd_ad_config_cmd *)desc.data;
 424         req->index = rte_cpu_to_le_32(loc);
 425         req->stage = HNS3_FD_STAGE_1;
 426
 427         hns3_set_bit(ad_data, HNS3_FD_AD_WR_RULE_ID_B,
 428                      action->write_rule_id_to_bd);
 429         hns3_set_field(ad_data, HNS3_FD_AD_RULE_ID_M, HNS3_FD_AD_RULE_ID_S,
 430                        action->rule_id);
 431         if (action->nb_queues > 1) {
 432                 hns3_set_bit(ad_data, HNS3_FD_AD_QUEUE_REGION_EN_B, 1);
 433                 hns3_set_field(ad_data, HNS3_FD_AD_QUEUE_REGION_SIZE_M,
 434                                HNS3_FD_AD_QUEUE_REGION_SIZE_S,
 435                                rte_log2_u32(action->nb_queues));
 436         }
 437         /* set extend bit if counter_id is in [128 ~ 255] */
 438         if (action->counter_id & BIT(HNS3_FD_AD_COUNTER_HIGH_BIT))
 439                 hns3_set_bit(ad_data, HNS3_FD_AD_COUNTER_HIGH_BIT_B, 1);
 440         ad_data <<= HNS3_FD_AD_DATA_S;
 441         hns3_set_bit(ad_data, HNS3_FD_AD_DROP_B, action->drop_packet);
 442         if (action->nb_queues == 1)
 443                 hns3_set_bit(ad_data, HNS3_FD_AD_DIRECT_QID_B, 1);
 444         hns3_set_field(ad_data, HNS3_FD_AD_QID_M, HNS3_FD_AD_QID_S,
 445                        action->queue_id);
 446         hns3_set_bit(ad_data, HNS3_FD_AD_USE_COUNTER_B, action->use_counter);
 447         hns3_set_field(ad_data, HNS3_FD_AD_COUNTER_NUM_M,
 448                        HNS3_FD_AD_COUNTER_NUM_S, action->counter_id);
 449         hns3_set_bit(ad_data, HNS3_FD_AD_NXT_STEP_B, action->use_next_stage);
 450         hns3_set_field(ad_data, HNS3_FD_AD_NXT_KEY_M, HNS3_FD_AD_NXT_KEY_S,
 451                        action->next_input_key);
 452
 453         req->ad_data = rte_cpu_to_le_64(ad_data);
 454         ret = hns3_cmd_send(hw, &desc, 1);
 455         if (ret)
 456                 hns3_err(hw, "Config fd ad fail, ret=%d loc=%d", ret, loc);
 457
 458         return ret;
 459 }
 460
 461 static inline void hns3_fd_convert_mac(uint8_t *key, uint8_t *mask,
 462                                        uint8_t *mac_x, uint8_t *mac_y)
 463 {
 464         uint8_t tmp;
 465         int i;
 466
 467         for (i = 0; i < RTE_ETHER_ADDR_LEN; i++) {
 468                 tmp = RTE_ETHER_ADDR_LEN - 1 - i;
 469                 calc_x(mac_x[tmp], key[i], mask[i]);
 470                 calc_y(mac_y[tmp], key[i], mask[i]);
 471         }
 472 }
 473
 474 static void hns3_fd_convert_int16(uint32_t tuple, struct hns3_fdir_rule *rule,
 475                                   uint8_t *val_x, uint8_t *val_y)
 476 {
 477         uint16_t tmp_x_s;
 478         uint16_t tmp_y_s;
 479         uint16_t mask;
 480         uint16_t key;
 481
 482         switch (tuple) {
 483         case OUTER_SRC_PORT:
 484                 key = rule->key_conf.spec.outer_src_port;
 485                 mask = rule->key_conf.mask.outer_src_port;
 486                 break;
 487         case OUTER_DST_PORT:
 488                 key = rule->key_conf.spec.tunnel_type;
 489                 mask = rule->key_conf.mask.tunnel_type;
 490                 break;
 491         case OUTER_ETH_TYPE:
 492                 key = rule->key_conf.spec.outer_ether_type;
 493                 mask = rule->key_conf.mask.outer_ether_type;
 494                 break;
 495         case INNER_SRC_PORT:
 496                 key = rule->key_conf.spec.src_port;
 497                 mask = rule->key_conf.mask.src_port;
 498                 break;
 499         case INNER_DST_PORT:
 500                 key = rule->key_conf.spec.dst_port;
 501                 mask = rule->key_conf.mask.dst_port;
 502                 break;
 503         case INNER_VLAN_TAG1:
 504                 key = rule->key_conf.spec.vlan_tag1;
 505                 mask = rule->key_conf.mask.vlan_tag1;
 506                 break;
 507         case INNER_VLAN_TAG2:
 508                 key = rule->key_conf.spec.vlan_tag2;
 509                 mask = rule->key_conf.mask.vlan_tag2;
 510                 break;
 511         default:
 512                 /*  INNER_ETH_TYPE: */
 513                 key = rule->key_conf.spec.ether_type;
 514                 mask = rule->key_conf.mask.ether_type;
 515                 break;
 516         }
 517         calc_x(tmp_x_s, key, mask);
 518         calc_y(tmp_y_s, key, mask);
 519         val_x[0] = rte_cpu_to_le_16(tmp_x_s) & 0xFF;
 520         val_x[1] = rte_cpu_to_le_16(tmp_x_s) >> HNS3_BITS_PER_BYTE;
 521         val_y[0] = rte_cpu_to_le_16(tmp_y_s) & 0xFF;
 522         val_y[1] = rte_cpu_to_le_16(tmp_y_s) >> HNS3_BITS_PER_BYTE;
 523 }
 524
 525 static inline void hns3_fd_convert_int32(uint32_t key, uint32_t mask,
 526                                          uint8_t *val_x, uint8_t *val_y)
 527 {
 528         uint32_t tmp_x_l;
 529         uint32_t tmp_y_l;
 530
 531         calc_x(tmp_x_l, key, mask);
 532         calc_y(tmp_y_l, key, mask);
 533         memcpy(val_x, &tmp_x_l, sizeof(tmp_x_l));
 534         memcpy(val_y, &tmp_y_l, sizeof(tmp_y_l));
 535 }
 536
 537 static bool hns3_fd_convert_tuple(struct hns3_hw *hw,
 538                                   uint32_t tuple, uint8_t *key_x,
 539                                   uint8_t *key_y, struct hns3_fdir_rule *rule)
 540 {
 541         struct hns3_fdir_key_conf *key_conf;
 542         int tmp;
 543         int i;
 544
 545         if ((rule->input_set & BIT(tuple)) == 0)
 546                 return true;
 547
 548         key_conf = &rule->key_conf;
 549         switch (tuple) {
 550         case INNER_DST_MAC:
 551                 hns3_fd_convert_mac(key_conf->spec.dst_mac,
 552                                     key_conf->mask.dst_mac, key_x, key_y);
 553                 break;
 554         case INNER_SRC_MAC:
 555                 hns3_fd_convert_mac(key_conf->spec.src_mac,
 556                                     key_conf->mask.src_mac, key_x, key_y);
 557                 break;
 558         case OUTER_SRC_PORT:
 559         case OUTER_DST_PORT:
 560         case OUTER_ETH_TYPE:
 561         case INNER_SRC_PORT:
 562         case INNER_DST_PORT:
 563         case INNER_VLAN_TAG1:
 564         case INNER_VLAN_TAG2:
 565         case INNER_ETH_TYPE:
 566                 hns3_fd_convert_int16(tuple, rule, key_x, key_y);
 567                 break;
 568         case INNER_SRC_IP:
 569                 hns3_fd_convert_int32(key_conf->spec.src_ip[IP_ADDR_KEY_ID],
 570                                       key_conf->mask.src_ip[IP_ADDR_KEY_ID],
 571                                       key_x, key_y);
 572                 break;
 573         case INNER_DST_IP:
 574                 hns3_fd_convert_int32(key_conf->spec.dst_ip[IP_ADDR_KEY_ID],
 575                                       key_conf->mask.dst_ip[IP_ADDR_KEY_ID],
 576                                       key_x, key_y);
 577                 break;
 578         case INNER_SCTP_TAG:
 579                 hns3_fd_convert_int32(key_conf->spec.sctp_tag,
 580                                       key_conf->mask.sctp_tag, key_x, key_y);
 581                 break;
 582         case OUTER_TUN_VNI:
 583                 for (i = 0; i < VNI_OR_TNI_LEN; i++) {
 584                         tmp = VNI_OR_TNI_LEN - 1 - i;
 585                         calc_x(key_x[tmp],
 586                                key_conf->spec.outer_tun_vni[i],
 587                                key_conf->mask.outer_tun_vni[i]);
 588                         calc_y(key_y[tmp],
 589                                key_conf->spec.outer_tun_vni[i],
 590                                key_conf->mask.outer_tun_vni[i]);
 591                 }
 592                 break;
 593         case OUTER_TUN_FLOW_ID:
 594                 calc_x(*key_x, key_conf->spec.outer_tun_flow_id,
 595                        key_conf->mask.outer_tun_flow_id);
 596                 calc_y(*key_y, key_conf->spec.outer_tun_flow_id,
 597                        key_conf->mask.outer_tun_flow_id);
 598                 break;
 599         case INNER_IP_TOS:
 600                 calc_x(*key_x, key_conf->spec.ip_tos, key_conf->mask.ip_tos);
 601                 calc_y(*key_y, key_conf->spec.ip_tos, key_conf->mask.ip_tos);
 602                 break;
 603         case OUTER_IP_PROTO:
 604                 calc_x(*key_x, key_conf->spec.outer_proto,
 605                        key_conf->mask.outer_proto);
 606                 calc_y(*key_y, key_conf->spec.outer_proto,
 607                        key_conf->mask.outer_proto);
 608                 break;
 609         case INNER_IP_PROTO:
 610                 calc_x(*key_x, key_conf->spec.ip_proto,
 611                        key_conf->mask.ip_proto);
 612                 calc_y(*key_y, key_conf->spec.ip_proto,
 613                        key_conf->mask.ip_proto);
 614                 break;
 615         default:
 616                 hns3_warn(hw, "not support tuple of (%d)", tuple);
 617                 break;
 618         }
 619         return true;
 620 }
 621
 622 static uint32_t hns3_get_port_number(uint8_t pf_id, uint8_t vf_id)
 623 {
 624         uint32_t port_number = 0;
 625
 626         hns3_set_field(port_number, HNS3_PF_ID_M, HNS3_PF_ID_S, pf_id);
 627         hns3_set_field(port_number, HNS3_VF_ID_M, HNS3_VF_ID_S, vf_id);
 628         hns3_set_bit(port_number, HNS3_PORT_TYPE_B, HOST_PORT);
 629
 630         return port_number;
 631 }
 632
 633 static void hns3_fd_convert_meta_data(struct hns3_fd_key_cfg *cfg,
 634                                       uint8_t vf_id,
 635                                       struct hns3_fdir_rule *rule,
 636                                       uint8_t *key_x, uint8_t *key_y)
 637 {
 638         uint16_t meta_data = 0;
 639         uint32_t port_number;
 640         uint8_t cur_pos = 0;
 641         uint8_t tuple_size;
 642         uint8_t shift_bits;
 643         uint32_t tmp_x;
 644         uint32_t tmp_y;
 645         uint8_t i;
 646
 647         for (i = 0; i < MAX_META_DATA; i++) {
 648                 if ((cfg->meta_data_active & BIT(i)) == 0)
 649                         continue;
 650
 651                 tuple_size = meta_data_key_info[i].key_length;
 652                 if (i == TUNNEL_PACKET) {
 653                         hns3_set_bit(meta_data, cur_pos,
 654                                      rule->key_conf.spec.tunnel_type ? 1 : 0);
 655                         cur_pos += tuple_size;
 656                 } else if (i == VLAN_NUMBER) {
 657                         uint32_t vlan_tag;
 658                         uint8_t vlan_num;
 659                         if (rule->key_conf.spec.tunnel_type == 0)
 660                                 vlan_num = rule->key_conf.vlan_num;
 661                         else
 662                                 vlan_num = rule->key_conf.outer_vlan_num;
 663                         if (vlan_num == 1)
 664                                 vlan_tag = HNS3_VLAN_TAG_TYPE_TAG1;
 665                         else if (vlan_num == VLAN_TAG_NUM_MAX)
 666                                 vlan_tag = HNS3_VLAN_TAG_TYPE_TAG1_2;
 667                         else
 668                                 vlan_tag = HNS3_VLAN_TAG_TYPE_NONE;
 669                         hns3_set_field(meta_data,
 670                                        GENMASK(cur_pos + tuple_size,
 671                                                cur_pos), cur_pos, vlan_tag);
 672                         cur_pos += tuple_size;
 673                 } else if (i == DST_VPORT) {
 674                         port_number = hns3_get_port_number(0, vf_id);
 675                         hns3_set_field(meta_data,
 676                                        GENMASK(cur_pos + tuple_size, cur_pos),
 677                                        cur_pos, port_number);
 678                         cur_pos += tuple_size;
 679                 }
 680         }
 681
 682         calc_x(tmp_x, meta_data, 0xFFFF);
 683         calc_y(tmp_y, meta_data, 0xFFFF);
 684         shift_bits = sizeof(meta_data) * HNS3_BITS_PER_BYTE - cur_pos;
 685
 686         tmp_x = rte_cpu_to_le_32(tmp_x << shift_bits);
 687         tmp_y = rte_cpu_to_le_32(tmp_y << shift_bits);
 688         key_x[0] = tmp_x & 0xFF;
 689         key_x[1] = (tmp_x >> HNS3_BITS_PER_BYTE) & 0xFF;
 690         key_y[0] = tmp_y & 0xFF;
 691         key_y[1] = (tmp_y >> HNS3_BITS_PER_BYTE) & 0xFF;
 692 }
 693
 694 /* A complete key is combined with meta data key and tuple key.
 695  * Meta data key is stored at the MSB region, and tuple key is stored at
 696  * the LSB region, unused bits will be filled 0.
 697  */
 698 static int hns3_config_key(struct hns3_adapter *hns,
 699                            struct hns3_fdir_rule *rule)
 700 {
 701         struct hns3_pf *pf = &hns->pf;
 702         struct hns3_hw *hw = &hns->hw;
 703         struct hns3_fd_key_cfg *key_cfg;
 704         uint8_t *cur_key_x;
 705         uint8_t *cur_key_y;
 706         uint8_t key_x[MAX_KEY_BYTES] __rte_aligned(4);
 707         uint8_t key_y[MAX_KEY_BYTES] __rte_aligned(4);
 708         uint8_t vf_id = rule->vf_id;
 709         uint8_t meta_data_region;
 710         uint8_t tuple_size;
 711         uint8_t i;
 712         int ret;
 713
 714         memset(key_x, 0, sizeof(key_x));
 715         memset(key_y, 0, sizeof(key_y));
 716         cur_key_x = key_x;
 717         cur_key_y = key_y;
 718
 719         key_cfg = &pf->fdir.fd_cfg.key_cfg[HNS3_FD_STAGE_1];
 720         for (i = 0; i < MAX_TUPLE; i++) {
 721                 bool tuple_valid;
 722
 723                 tuple_size = tuple_key_info[i].key_length / HNS3_BITS_PER_BYTE;
 724                 if (key_cfg->tuple_active & BIT(i)) {
 725                         tuple_valid = hns3_fd_convert_tuple(hw, i, cur_key_x,
 726                                                             cur_key_y, rule);
 727                         if (tuple_valid) {
 728                                 cur_key_x += tuple_size;
 729                                 cur_key_y += tuple_size;
 730                         }
 731                 }
 732         }
 733
 734         meta_data_region = pf->fdir.fd_cfg.max_key_length / HNS3_BITS_PER_BYTE -
 735             MAX_META_DATA_LENGTH / HNS3_BITS_PER_BYTE;
 736
 737         hns3_fd_convert_meta_data(key_cfg, vf_id, rule,
 738                                   key_x + meta_data_region,
 739                                   key_y + meta_data_region);
 740
 741         ret = hns3_fd_tcam_config(hw, false, rule->location, key_y, true);
 742         if (ret) {
 743                 hns3_err(hw, "Config fd key_y fail, loc=%d, ret=%d",
 744                             rule->queue_id, ret);
 745                 return ret;
 746         }
 747
 748         ret = hns3_fd_tcam_config(hw, true, rule->location, key_x, true);
 749         if (ret)
 750                 hns3_err(hw, "Config fd key_x fail, loc=%d, ret=%d",
 751                             rule->queue_id, ret);
 752         return ret;
 753 }
 754
 755 static int hns3_config_action(struct hns3_hw *hw, struct hns3_fdir_rule *rule)
 756 {
 757         struct hns3_fd_ad_data ad_data;
 758
 759         ad_data.ad_id = rule->location;
 760
 761         if (rule->action == HNS3_FD_ACTION_DROP_PACKET) {
 762                 ad_data.drop_packet = true;
 763                 ad_data.queue_id = 0;
 764                 ad_data.nb_queues = 0;
 765         } else {
 766                 ad_data.drop_packet = false;
 767                 ad_data.queue_id = rule->queue_id;
 768                 ad_data.nb_queues = rule->nb_queues;
 769         }
 770
 771         if (unlikely(rule->flags & HNS3_RULE_FLAG_COUNTER)) {
 772                 ad_data.use_counter = true;
 773                 ad_data.counter_id = rule->act_cnt.id;
 774         } else {
 775                 ad_data.use_counter = false;
 776                 ad_data.counter_id = 0;
 777         }
 778
 779         if (unlikely(rule->flags & HNS3_RULE_FLAG_FDID))
 780                 ad_data.rule_id = rule->fd_id;
 781         else
 782                 ad_data.rule_id = rule->location;
 783
 784         ad_data.use_next_stage = false;
 785         ad_data.next_input_key = 0;
 786
 787         ad_data.write_rule_id_to_bd = true;
 788
 789         return hns3_fd_ad_config(hw, ad_data.ad_id, &ad_data);
 790 }
 791
 792 static int hns3_fd_clear_all_rules(struct hns3_hw *hw, uint32_t rule_num)
 793 {
 794         uint32_t i;
 795         int ret;
 796
 797         for (i = 0; i < rule_num; i++) {
 798                 ret = hns3_fd_tcam_config(hw, true, i, NULL, false);
 799                 if (ret)
 800                         return ret;
 801         }
 802
 803         return 0;
 804 }
 805
 806 int hns3_fdir_filter_init(struct hns3_adapter *hns)
 807 {
 808         struct hns3_pf *pf = &hns->pf;
 809         struct hns3_fdir_info *fdir_info = &pf->fdir;
 810         uint32_t rule_num = fdir_info->fd_cfg.rule_num[HNS3_FD_STAGE_1];
 811         char fdir_hash_name[RTE_HASH_NAMESIZE];
 812         struct rte_hash_parameters fdir_hash_params = {
 813                 .name = fdir_hash_name,
 814                 .entries = rule_num,
 815                 .key_len = sizeof(struct hns3_fdir_key_conf),
 816                 .hash_func = rte_hash_crc,
 817                 .hash_func_init_val = 0,
 818         };
 819         int ret;
 820
 821         ret = hns3_fd_clear_all_rules(&hns->hw, rule_num);
 822         if (ret) {
 823                 PMD_INIT_LOG(ERR, "Clear all fd rules fail! ret = %d", ret);
 824                 return ret;
 825         }
 826
 827         fdir_hash_params.socket_id = rte_socket_id();
 828         TAILQ_INIT(&fdir_info->fdir_list);
 829         rte_spinlock_init(&fdir_info->flows_lock);
 830         snprintf(fdir_hash_name, RTE_HASH_NAMESIZE, "%s", hns->hw.data->name);
 831         fdir_info->hash_handle = rte_hash_create(&fdir_hash_params);
 832         if (fdir_info->hash_handle == NULL) {
 833                 PMD_INIT_LOG(ERR, "Create FDIR hash handle fail!");
 834                 return -EINVAL;
 835         }
 836         fdir_info->hash_map = rte_zmalloc("hns3 FDIR hash",
 837                                           rule_num *
 838                                           sizeof(struct hns3_fdir_rule_ele *),
 839                                           0);
 840         if (fdir_info->hash_map == NULL) {
 841                 PMD_INIT_LOG(ERR, "Allocate memory for FDIR hash map fail!");
 842                 rte_hash_free(fdir_info->hash_handle);
 843                 return -ENOMEM;
 844         }
 845
 846         return 0;
 847 }
 848
 849 void hns3_fdir_filter_uninit(struct hns3_adapter *hns)
 850 {
 851         struct hns3_pf *pf = &hns->pf;
 852         struct hns3_fdir_info *fdir_info = &pf->fdir;
 853         struct hns3_fdir_rule_ele *fdir_filter;
 854
 855         rte_spinlock_lock(&fdir_info->flows_lock);
 856         if (fdir_info->hash_map) {
 857                 rte_free(fdir_info->hash_map);
 858                 fdir_info->hash_map = NULL;
 859         }
 860         if (fdir_info->hash_handle) {
 861                 rte_hash_free(fdir_info->hash_handle);
 862                 fdir_info->hash_handle = NULL;
 863         }
 864         rte_spinlock_unlock(&fdir_info->flows_lock);
 865
 866         fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
 867         while (fdir_filter) {
 868                 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
 869                 hns3_fd_tcam_config(&hns->hw, true,
 870                                     fdir_filter->fdir_conf.location, NULL,
 871                                     false);
 872                 rte_free(fdir_filter);
 873                 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
 874         }
 875 }
 876
 877 /*
 878  * Find a key in the hash table.
 879  * @return
 880  *   - Zero and positive values are key location.
 881  *   - -EINVAL if the parameters are invalid.
 882  *   - -ENOENT if the key is not found.
 883  */
 884 static int hns3_fdir_filter_lookup(struct hns3_fdir_info *fdir_info,
 885                                     struct hns3_fdir_key_conf *key)
 886 {
 887         hash_sig_t sig;
 888         int ret;
 889
 890         rte_spinlock_lock(&fdir_info->flows_lock);
 891         sig = rte_hash_crc(key, sizeof(*key), 0);
 892         ret = rte_hash_lookup_with_hash(fdir_info->hash_handle, key, sig);
 893         rte_spinlock_unlock(&fdir_info->flows_lock);
 894
 895         return ret;
 896 }
 897
 898 static int hns3_insert_fdir_filter(struct hns3_hw *hw,
 899                                    struct hns3_fdir_info *fdir_info,
 900                                    struct hns3_fdir_rule_ele *fdir_filter)
 901 {
 902         struct hns3_fdir_key_conf *key;
 903         hash_sig_t sig;
 904         int ret;
 905
 906         key = &fdir_filter->fdir_conf.key_conf;
 907         rte_spinlock_lock(&fdir_info->flows_lock);
 908         sig = rte_hash_crc(key, sizeof(*key), 0);
 909         ret = rte_hash_add_key_with_hash(fdir_info->hash_handle, key, sig);
 910         if (ret < 0) {
 911                 rte_spinlock_unlock(&fdir_info->flows_lock);
 912                 hns3_err(hw, "Hash table full? err:%d(%s)!", ret,
 913                          strerror(-ret));
 914                 return ret;
 915         }
 916
 917         fdir_info->hash_map[ret] = fdir_filter;
 918         TAILQ_INSERT_TAIL(&fdir_info->fdir_list, fdir_filter, entries);
 919         rte_spinlock_unlock(&fdir_info->flows_lock);
 920
 921         return ret;
 922 }
 923
 924 static int hns3_remove_fdir_filter(struct hns3_hw *hw,
 925                                    struct hns3_fdir_info *fdir_info,
 926                                    struct hns3_fdir_key_conf *key)
 927 {
 928         struct hns3_fdir_rule_ele *fdir_filter;
 929         hash_sig_t sig;
 930         int ret;
 931
 932         rte_spinlock_lock(&fdir_info->flows_lock);
 933         sig = rte_hash_crc(key, sizeof(*key), 0);
 934         ret = rte_hash_del_key_with_hash(fdir_info->hash_handle, key, sig);
 935         if (ret < 0) {
 936                 rte_spinlock_unlock(&fdir_info->flows_lock);
 937                 hns3_err(hw, "Delete hash key fail ret=%d", ret);
 938                 return ret;
 939         }
 940
 941         fdir_filter = fdir_info->hash_map[ret];
 942         fdir_info->hash_map[ret] = NULL;
 943         TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
 944         rte_spinlock_unlock(&fdir_info->flows_lock);
 945
 946         rte_free(fdir_filter);
 947
 948         return 0;
 949 }
 950
 951 int hns3_fdir_filter_program(struct hns3_adapter *hns,
 952                              struct hns3_fdir_rule *rule, bool del)
 953 {
 954         struct hns3_pf *pf = &hns->pf;
 955         struct hns3_fdir_info *fdir_info = &pf->fdir;
 956         struct hns3_fdir_rule_ele *node;
 957         struct hns3_hw *hw = &hns->hw;
 958         int ret;
 959
 960         if (del) {
 961                 ret = hns3_fd_tcam_config(hw, true, rule->location, NULL,
 962                                           false);
 963                 if (ret)
 964                         hns3_err(hw, "Failed to delete fdir: %d src_ip:%x "
 965                                  "dst_ip:%x src_port:%d dst_port:%d ret = %d",
 966                                  rule->location,
 967                                  rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID],
 968                                  rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID],
 969                                  rule->key_conf.spec.src_port,
 970                                  rule->key_conf.spec.dst_port, ret);
 971                 else
 972                         hns3_remove_fdir_filter(hw, fdir_info, &rule->key_conf);
 973
 974                 return ret;
 975         }
 976
 977         ret = hns3_fdir_filter_lookup(fdir_info, &rule->key_conf);
 978         if (ret >= 0) {
 979                 hns3_err(hw, "Conflict with existing fdir loc: %d", ret);
 980                 return -EINVAL;
 981         }
 982
 983         node = rte_zmalloc("hns3 fdir rule", sizeof(struct hns3_fdir_rule_ele),
 984                            0);
 985         if (node == NULL) {
 986                 hns3_err(hw, "Failed to allocate fdir_rule memory");
 987                 return -ENOMEM;
 988         }
 989
 990         rte_memcpy(&node->fdir_conf, rule, sizeof(struct hns3_fdir_rule));
 991         ret = hns3_insert_fdir_filter(hw, fdir_info, node);
 992         if (ret < 0) {
 993                 rte_free(node);
 994                 return ret;
 995         }
 996         rule->location = ret;
 997         node->fdir_conf.location = ret;
 998
 999         rte_spinlock_lock(&fdir_info->flows_lock);
1000         ret = hns3_config_action(hw, rule);
1001         if (!ret)
1002                 ret = hns3_config_key(hns, rule);
1003         rte_spinlock_unlock(&fdir_info->flows_lock);
1004         if (ret) {
1005                 hns3_err(hw, "Failed to config fdir: %d src_ip:%x dst_ip:%x "
1006                          "src_port:%d dst_port:%d ret = %d",
1007                          rule->location,
1008                          rule->key_conf.spec.src_ip[IP_ADDR_KEY_ID],
1009                          rule->key_conf.spec.dst_ip[IP_ADDR_KEY_ID],
1010                          rule->key_conf.spec.src_port,
1011                          rule->key_conf.spec.dst_port, ret);
1012                 (void)hns3_remove_fdir_filter(hw, fdir_info, &rule->key_conf);
1013         }
1014
1015         return ret;
1016 }
1017
1018 /* remove all the flow director filters */
1019 int hns3_clear_all_fdir_filter(struct hns3_adapter *hns)
1020 {
1021         struct hns3_pf *pf = &hns->pf;
1022         struct hns3_fdir_info *fdir_info = &pf->fdir;
1023         struct hns3_fdir_rule_ele *fdir_filter;
1024         struct hns3_hw *hw = &hns->hw;
1025         int ret = 0;
1026
1027         /* flush flow director */
1028         rte_spinlock_lock(&fdir_info->flows_lock);
1029         rte_hash_reset(fdir_info->hash_handle);
1030         rte_spinlock_unlock(&fdir_info->flows_lock);
1031
1032         fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
1033         while (fdir_filter) {
1034                 TAILQ_REMOVE(&fdir_info->fdir_list, fdir_filter, entries);
1035                 ret += hns3_fd_tcam_config(hw, true,
1036                                            fdir_filter->fdir_conf.location,
1037                                            NULL, false);
1038                 rte_free(fdir_filter);
1039                 fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list);
1040         }
1041
1042         if (ret) {
1043                 hns3_err(hw, "Fail to delete FDIR filter, ret = %d", ret);
1044                 ret = -EIO;
1045         }
1046         return ret;
1047 }
1048
1049 int hns3_restore_all_fdir_filter(struct hns3_adapter *hns)
1050 {
1051         struct hns3_pf *pf = &hns->pf;
1052         struct hns3_fdir_info *fdir_info = &pf->fdir;
1053         struct hns3_fdir_rule_ele *fdir_filter;
1054         struct hns3_hw *hw = &hns->hw;
1055         bool err = false;
1056         int ret;
1057
1058         TAILQ_FOREACH(fdir_filter, &fdir_info->fdir_list, entries) {
1059                 ret = hns3_config_action(hw, &fdir_filter->fdir_conf);
1060                 if (!ret)
1061                         ret = hns3_config_key(hns, &fdir_filter->fdir_conf);
1062                 if (ret) {
1063                         err = true;
1064                         if (ret == -EBUSY)
1065                                 break;
1066                 }
1067         }
1068
1069         if (err) {
1070                 hns3_err(hw, "Fail to restore FDIR filter, ret = %d", ret);
1071                 return -EIO;
1072         }
1073         return 0;
1074 }
1075
1076 int hns3_get_count(struct hns3_hw *hw, uint32_t id, uint64_t *value)
1077 {
1078         struct hns3_fd_get_cnt_cmd *req;
1079         struct hns3_cmd_desc desc;
1080         int ret;
1081
1082         hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FD_COUNTER_OP, true);
1083
1084         req = (struct hns3_fd_get_cnt_cmd *)desc.data;
1085         req->stage = HNS3_FD_STAGE_1;
1086         req->index = rte_cpu_to_le_32(id);
1087
1088         ret = hns3_cmd_send(hw, &desc, 1);
1089         if (ret) {
1090                 hns3_err(hw, "Read counter fail, ret=%d", ret);
1091                 return ret;
1092         }
1093
1094         *value = req->value;
1095
1096         return ret;
1097 }