1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018-2019 Hisilicon Limited. 3 */ 4 5 #include <stdbool.h> 6 #include <rte_ethdev.h> 7 #include <rte_io.h> 8 #include <rte_malloc.h> 9 #include <rte_memcpy.h> 10 #include <rte_spinlock.h> 11 12 #include "hns3_ethdev.h" 13 #include "hns3_logs.h" 14 15 /* 16 * The hash key used for rss initialization. 17 */ 18 static const uint8_t hns3_hash_key[] = { 19 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 20 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0, 21 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4, 22 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 23 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA 24 }; 25 26 /* 27 * rss_generic_config command function, opcode:0x0D01. 28 * Used to set algorithm, key_offset and hash key of rss. 29 */ 30 int 31 hns3_set_rss_algo_key(struct hns3_hw *hw, uint8_t hash_algo, const uint8_t *key) 32 { 33 #define HNS3_KEY_OFFSET_MAX 3 34 #define HNS3_SET_HASH_KEY_BYTE_FOUR 2 35 36 struct hns3_rss_generic_config_cmd *req; 37 struct hns3_cmd_desc desc; 38 uint32_t key_offset, key_size; 39 const uint8_t *key_cur; 40 uint8_t cur_offset; 41 int ret; 42 43 req = (struct hns3_rss_generic_config_cmd *)desc.data; 44 45 /* 46 * key_offset=0, hash key byte0~15 is set to hardware. 47 * key_offset=1, hash key byte16~31 is set to hardware. 48 * key_offset=2, hash key byte32~39 is set to hardware. 49 */ 50 for (key_offset = 0; key_offset < HNS3_KEY_OFFSET_MAX; key_offset++) { 51 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_GENERIC_CONFIG, 52 false); 53 54 req->hash_config |= (hash_algo & HNS3_RSS_HASH_ALGO_MASK); 55 req->hash_config |= (key_offset << HNS3_RSS_HASH_KEY_OFFSET_B); 56 57 if (key_offset == HNS3_SET_HASH_KEY_BYTE_FOUR) 58 key_size = HNS3_RSS_KEY_SIZE - HNS3_RSS_HASH_KEY_NUM * 59 HNS3_SET_HASH_KEY_BYTE_FOUR; 60 else 61 key_size = HNS3_RSS_HASH_KEY_NUM; 62 63 cur_offset = key_offset * HNS3_RSS_HASH_KEY_NUM; 64 key_cur = key + cur_offset; 65 memcpy(req->hash_key, key_cur, key_size); 66 67 ret = hns3_cmd_send(hw, &desc, 1); 68 if (ret) { 69 hns3_err(hw, "Configure RSS algo key failed %d", ret); 70 return ret; 71 } 72 } 73 /* Update the shadow RSS key with user specified */ 74 memcpy(hw->rss_info.key, key, HNS3_RSS_KEY_SIZE); 75 return 0; 76 } 77 78 /* 79 * Used to configure the tuple selection for RSS hash input. 80 */ 81 static int 82 hns3_set_rss_input_tuple(struct hns3_hw *hw) 83 { 84 struct hns3_rss_conf *rss_config = &hw->rss_info; 85 struct hns3_rss_input_tuple_cmd *req; 86 struct hns3_cmd_desc desc_tuple; 87 int ret; 88 89 hns3_cmd_setup_basic_desc(&desc_tuple, HNS3_OPC_RSS_INPUT_TUPLE, false); 90 91 req = (struct hns3_rss_input_tuple_cmd *)desc_tuple.data; 92 93 req->ipv4_tcp_en = rss_config->rss_tuple_sets.ipv4_tcp_en; 94 req->ipv4_udp_en = rss_config->rss_tuple_sets.ipv4_udp_en; 95 req->ipv4_sctp_en = rss_config->rss_tuple_sets.ipv4_sctp_en; 96 req->ipv4_fragment_en = rss_config->rss_tuple_sets.ipv4_fragment_en; 97 req->ipv6_tcp_en = rss_config->rss_tuple_sets.ipv6_tcp_en; 98 req->ipv6_udp_en = rss_config->rss_tuple_sets.ipv6_udp_en; 99 req->ipv6_sctp_en = rss_config->rss_tuple_sets.ipv6_sctp_en; 100 req->ipv6_fragment_en = rss_config->rss_tuple_sets.ipv6_fragment_en; 101 102 ret = hns3_cmd_send(hw, &desc_tuple, 1); 103 if (ret) 104 hns3_err(hw, "Configure RSS input tuple mode failed %d", ret); 105 106 return ret; 107 } 108 109 /* 110 * rss_indirection_table command function, opcode:0x0D07. 111 * Used to configure the indirection table of rss. 112 */ 113 int 114 hns3_set_rss_indir_table(struct hns3_hw *hw, uint8_t *indir, uint16_t size) 115 { 116 struct hns3_rss_indirection_table_cmd *req; 117 struct hns3_cmd_desc desc; 118 int ret, i, j, num; 119 120 req = (struct hns3_rss_indirection_table_cmd *)desc.data; 121 122 for (i = 0; i < size / HNS3_RSS_CFG_TBL_SIZE; i++) { 123 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_INDIR_TABLE, 124 false); 125 req->start_table_index = 126 rte_cpu_to_le_16(i * HNS3_RSS_CFG_TBL_SIZE); 127 req->rss_set_bitmap = rte_cpu_to_le_16(HNS3_RSS_SET_BITMAP_MSK); 128 for (j = 0; j < HNS3_RSS_CFG_TBL_SIZE; j++) { 129 num = i * HNS3_RSS_CFG_TBL_SIZE + j; 130 req->rss_result[j] = indir[num]; 131 } 132 ret = hns3_cmd_send(hw, &desc, 1); 133 if (ret) { 134 hns3_err(hw, 135 "Sets RSS indirection table failed %d size %u", 136 ret, size); 137 return ret; 138 } 139 } 140 141 /* Update redirection table of hw */ 142 memcpy(hw->rss_info.rss_indirection_tbl, indir, HNS3_RSS_IND_TBL_SIZE); 143 144 return 0; 145 } 146 147 int 148 hns3_rss_reset_indir_table(struct hns3_hw *hw) 149 { 150 uint8_t *lut; 151 int ret; 152 153 lut = rte_zmalloc("hns3_rss_lut", HNS3_RSS_IND_TBL_SIZE, 0); 154 if (lut == NULL) { 155 hns3_err(hw, "No hns3_rss_lut memory can be allocated"); 156 return -ENOMEM; 157 } 158 159 ret = hns3_set_rss_indir_table(hw, lut, HNS3_RSS_IND_TBL_SIZE); 160 if (ret) 161 hns3_err(hw, "RSS uninit indir table failed: %d", ret); 162 rte_free(lut); 163 164 return ret; 165 } 166 167 int 168 hns3_set_rss_tuple_by_rss_hf(struct hns3_hw *hw, 169 struct hns3_rss_tuple_cfg *tuple, uint64_t rss_hf) 170 { 171 struct hns3_rss_input_tuple_cmd *req; 172 struct hns3_cmd_desc desc; 173 uint32_t i; 174 int ret; 175 176 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_INPUT_TUPLE, false); 177 178 req = (struct hns3_rss_input_tuple_cmd *)desc.data; 179 180 /* Enable ipv4 or ipv6 tuple by flow type */ 181 for (i = 0; i < RTE_ETH_FLOW_MAX; i++) { 182 switch (rss_hf & (1ULL << i)) { 183 case ETH_RSS_NONFRAG_IPV4_TCP: 184 req->ipv4_tcp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 185 break; 186 case ETH_RSS_NONFRAG_IPV4_UDP: 187 req->ipv4_udp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 188 break; 189 case ETH_RSS_NONFRAG_IPV4_SCTP: 190 req->ipv4_sctp_en = HNS3_RSS_INPUT_TUPLE_SCTP; 191 break; 192 case ETH_RSS_FRAG_IPV4: 193 req->ipv4_fragment_en |= HNS3_IP_FRAG_BIT_MASK; 194 break; 195 case ETH_RSS_NONFRAG_IPV4_OTHER: 196 req->ipv4_fragment_en |= HNS3_IP_OTHER_BIT_MASK; 197 break; 198 case ETH_RSS_NONFRAG_IPV6_TCP: 199 req->ipv6_tcp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 200 break; 201 case ETH_RSS_NONFRAG_IPV6_UDP: 202 req->ipv6_udp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 203 break; 204 case ETH_RSS_NONFRAG_IPV6_SCTP: 205 req->ipv6_sctp_en = HNS3_RSS_INPUT_TUPLE_SCTP; 206 break; 207 case ETH_RSS_FRAG_IPV6: 208 req->ipv6_fragment_en |= HNS3_IP_FRAG_BIT_MASK; 209 break; 210 case ETH_RSS_NONFRAG_IPV6_OTHER: 211 req->ipv6_fragment_en |= HNS3_IP_OTHER_BIT_MASK; 212 break; 213 default: 214 /* 215 * rss_hf doesn't include unsupported flow types 216 * because the API framework has checked it, and 217 * this branch will never go unless rss_hf is zero. 218 */ 219 break; 220 } 221 } 222 223 ret = hns3_cmd_send(hw, &desc, 1); 224 if (ret) { 225 hns3_err(hw, "Update RSS flow types tuples failed %d", ret); 226 return ret; 227 } 228 229 tuple->ipv4_tcp_en = req->ipv4_tcp_en; 230 tuple->ipv4_udp_en = req->ipv4_udp_en; 231 tuple->ipv4_sctp_en = req->ipv4_sctp_en; 232 tuple->ipv4_fragment_en = req->ipv4_fragment_en; 233 tuple->ipv6_tcp_en = req->ipv6_tcp_en; 234 tuple->ipv6_udp_en = req->ipv6_udp_en; 235 tuple->ipv6_sctp_en = req->ipv6_sctp_en; 236 tuple->ipv6_fragment_en = req->ipv6_fragment_en; 237 238 return 0; 239 } 240 241 /* 242 * Configure RSS hash protocols and hash key. 243 * @param dev 244 * Pointer to Ethernet device. 245 * @praram rss_conf 246 * The configuration select of rss key size and tuple flow_types. 247 * @return 248 * 0 on success, a negative errno value otherwise is set. 249 */ 250 int 251 hns3_dev_rss_hash_update(struct rte_eth_dev *dev, 252 struct rte_eth_rss_conf *rss_conf) 253 { 254 struct hns3_adapter *hns = dev->data->dev_private; 255 struct hns3_hw *hw = &hns->hw; 256 struct hns3_rss_tuple_cfg *tuple = &hw->rss_info.rss_tuple_sets; 257 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 258 uint8_t key_len = rss_conf->rss_key_len; 259 uint8_t algo; 260 uint64_t rss_hf = rss_conf->rss_hf; 261 uint8_t *key = rss_conf->rss_key; 262 int ret; 263 264 if (hw->rss_dis_flag) 265 return -EINVAL; 266 267 rte_spinlock_lock(&hw->lock); 268 ret = hns3_set_rss_tuple_by_rss_hf(hw, tuple, rss_hf); 269 if (ret) 270 goto conf_err; 271 272 if (rss_cfg->conf.types && rss_hf == 0) { 273 /* Disable RSS, reset indirection table by local variable */ 274 ret = hns3_rss_reset_indir_table(hw); 275 if (ret) 276 goto conf_err; 277 } else if (rss_hf && rss_cfg->conf.types == 0) { 278 /* Enable RSS, restore indirection table by hw's config */ 279 ret = hns3_set_rss_indir_table(hw, rss_cfg->rss_indirection_tbl, 280 HNS3_RSS_IND_TBL_SIZE); 281 if (ret) 282 goto conf_err; 283 } 284 285 /* Update supported flow types when set tuple success */ 286 rss_cfg->conf.types = rss_hf; 287 288 if (key) { 289 if (key_len != HNS3_RSS_KEY_SIZE) { 290 hns3_err(hw, "The hash key len(%u) is invalid", 291 key_len); 292 ret = -EINVAL; 293 goto conf_err; 294 } 295 algo = rss_cfg->conf.func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR ? 296 HNS3_RSS_HASH_ALGO_SIMPLE : HNS3_RSS_HASH_ALGO_TOEPLITZ; 297 ret = hns3_set_rss_algo_key(hw, algo, key); 298 if (ret) 299 goto conf_err; 300 } 301 rte_spinlock_unlock(&hw->lock); 302 303 return 0; 304 305 conf_err: 306 rte_spinlock_unlock(&hw->lock); 307 return ret; 308 } 309 310 /* 311 * Get rss key and rss_hf types set of RSS hash configuration. 312 * @param dev 313 * Pointer to Ethernet device. 314 * @praram rss_conf 315 * The buffer to get rss key size and tuple types. 316 * @return 317 * 0 on success. 318 */ 319 int 320 hns3_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 321 struct rte_eth_rss_conf *rss_conf) 322 { 323 struct hns3_adapter *hns = dev->data->dev_private; 324 struct hns3_hw *hw = &hns->hw; 325 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 326 327 rte_spinlock_lock(&hw->lock); 328 rss_conf->rss_hf = rss_cfg->conf.types; 329 330 /* Get the RSS Key required by the user */ 331 if (rss_conf->rss_key && rss_conf->rss_key_len >= HNS3_RSS_KEY_SIZE) { 332 memcpy(rss_conf->rss_key, rss_cfg->key, HNS3_RSS_KEY_SIZE); 333 rss_conf->rss_key_len = HNS3_RSS_KEY_SIZE; 334 } 335 rte_spinlock_unlock(&hw->lock); 336 337 return 0; 338 } 339 340 /* 341 * Update rss redirection table of RSS. 342 * @param dev 343 * Pointer to Ethernet device. 344 * @praram reta_conf 345 * Pointer to the configuration select of mask and redirection tables. 346 * @param reta_size 347 * Redirection table size. 348 * @return 349 * 0 on success, a negative errno value otherwise is set. 350 */ 351 int 352 hns3_dev_rss_reta_update(struct rte_eth_dev *dev, 353 struct rte_eth_rss_reta_entry64 *reta_conf, 354 uint16_t reta_size) 355 { 356 struct hns3_adapter *hns = dev->data->dev_private; 357 struct hns3_hw *hw = &hns->hw; 358 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 359 uint16_t i, indir_size = HNS3_RSS_IND_TBL_SIZE; /* Table size is 512 */ 360 uint8_t indirection_tbl[HNS3_RSS_IND_TBL_SIZE]; 361 uint16_t idx, shift, allow_rss_queues; 362 int ret; 363 364 if (reta_size != indir_size || reta_size > ETH_RSS_RETA_SIZE_512) { 365 hns3_err(hw, "The size of hash lookup table configured (%u)" 366 "doesn't match the number hardware can supported" 367 "(%u)", reta_size, indir_size); 368 return -EINVAL; 369 } 370 rte_spinlock_lock(&hw->lock); 371 memcpy(indirection_tbl, rss_cfg->rss_indirection_tbl, 372 HNS3_RSS_IND_TBL_SIZE); 373 allow_rss_queues = RTE_MIN(dev->data->nb_rx_queues, hw->rss_size_max); 374 for (i = 0; i < reta_size; i++) { 375 idx = i / RTE_RETA_GROUP_SIZE; 376 shift = i % RTE_RETA_GROUP_SIZE; 377 if (reta_conf[idx].reta[shift] >= allow_rss_queues) { 378 rte_spinlock_unlock(&hw->lock); 379 hns3_err(hw, "Invalid queue id(%u) to be set in " 380 "redirection table, max number of rss " 381 "queues: %u", reta_conf[idx].reta[shift], 382 allow_rss_queues); 383 return -EINVAL; 384 } 385 386 if (reta_conf[idx].mask & (1ULL << shift)) 387 indirection_tbl[i] = reta_conf[idx].reta[shift]; 388 } 389 390 ret = hns3_set_rss_indir_table(hw, indirection_tbl, 391 HNS3_RSS_IND_TBL_SIZE); 392 393 rte_spinlock_unlock(&hw->lock); 394 return ret; 395 } 396 397 /* 398 * Get rss redirection table of RSS hash configuration. 399 * @param dev 400 * Pointer to Ethernet device. 401 * @praram reta_conf 402 * Pointer to the configuration select of mask and redirection tables. 403 * @param reta_size 404 * Redirection table size. 405 * @return 406 * 0 on success, a negative errno value otherwise is set. 407 */ 408 int 409 hns3_dev_rss_reta_query(struct rte_eth_dev *dev, 410 struct rte_eth_rss_reta_entry64 *reta_conf, 411 uint16_t reta_size) 412 { 413 struct hns3_adapter *hns = dev->data->dev_private; 414 struct hns3_hw *hw = &hns->hw; 415 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 416 uint16_t i, indir_size = HNS3_RSS_IND_TBL_SIZE; /* Table size is 512 */ 417 uint16_t idx, shift; 418 419 if (reta_size != indir_size || reta_size > ETH_RSS_RETA_SIZE_512) { 420 hns3_err(hw, "The size of hash lookup table configured (%u)" 421 " doesn't match the number hardware can supported" 422 "(%u)", reta_size, indir_size); 423 return -EINVAL; 424 } 425 rte_spinlock_lock(&hw->lock); 426 for (i = 0; i < reta_size; i++) { 427 idx = i / RTE_RETA_GROUP_SIZE; 428 shift = i % RTE_RETA_GROUP_SIZE; 429 if (reta_conf[idx].mask & (1ULL << shift)) 430 reta_conf[idx].reta[shift] = 431 rss_cfg->rss_indirection_tbl[i]; 432 } 433 rte_spinlock_unlock(&hw->lock); 434 return 0; 435 } 436 437 /* 438 * Used to configure the tc_size and tc_offset. 439 */ 440 static int 441 hns3_set_rss_tc_mode(struct hns3_hw *hw) 442 { 443 uint16_t rss_size = hw->alloc_rss_size; 444 struct hns3_rss_tc_mode_cmd *req; 445 uint16_t tc_offset[HNS3_MAX_TC_NUM]; 446 uint8_t tc_valid[HNS3_MAX_TC_NUM]; 447 uint16_t tc_size[HNS3_MAX_TC_NUM]; 448 struct hns3_cmd_desc desc; 449 uint16_t roundup_size; 450 uint16_t i; 451 int ret; 452 453 req = (struct hns3_rss_tc_mode_cmd *)desc.data; 454 455 roundup_size = roundup_pow_of_two(rss_size); 456 roundup_size = ilog2(roundup_size); 457 458 for (i = 0; i < HNS3_MAX_TC_NUM; i++) { 459 tc_valid[i] = !!(hw->hw_tc_map & BIT(i)); 460 tc_size[i] = roundup_size; 461 tc_offset[i] = rss_size * i; 462 } 463 464 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_TC_MODE, false); 465 for (i = 0; i < HNS3_MAX_TC_NUM; i++) { 466 uint16_t mode = 0; 467 468 hns3_set_bit(mode, HNS3_RSS_TC_VALID_B, (tc_valid[i] & 0x1)); 469 hns3_set_field(mode, HNS3_RSS_TC_SIZE_M, HNS3_RSS_TC_SIZE_S, 470 tc_size[i]); 471 hns3_set_field(mode, HNS3_RSS_TC_OFFSET_M, HNS3_RSS_TC_OFFSET_S, 472 tc_offset[i]); 473 474 req->rss_tc_mode[i] = rte_cpu_to_le_16(mode); 475 } 476 ret = hns3_cmd_send(hw, &desc, 1); 477 if (ret) 478 hns3_err(hw, "Sets rss tc mode failed %d", ret); 479 480 return ret; 481 } 482 483 static void 484 hns3_rss_tuple_uninit(struct hns3_hw *hw) 485 { 486 struct hns3_rss_input_tuple_cmd *req; 487 struct hns3_cmd_desc desc; 488 int ret; 489 490 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_INPUT_TUPLE, false); 491 492 req = (struct hns3_rss_input_tuple_cmd *)desc.data; 493 494 memset(req, 0, sizeof(struct hns3_rss_tuple_cfg)); 495 496 ret = hns3_cmd_send(hw, &desc, 1); 497 if (ret) { 498 hns3_err(hw, "RSS uninit tuple failed %d", ret); 499 return; 500 } 501 } 502 503 /* 504 * Set the default rss configuration in the init of driver. 505 */ 506 void 507 hns3_set_default_rss_args(struct hns3_hw *hw) 508 { 509 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 510 uint16_t queue_num = hw->alloc_rss_size; 511 int i; 512 513 /* Default hash algorithm */ 514 rss_cfg->conf.func = RTE_ETH_HASH_FUNCTION_TOEPLITZ; 515 516 /* Default RSS key */ 517 memcpy(rss_cfg->key, hns3_hash_key, HNS3_RSS_KEY_SIZE); 518 519 /* Initialize RSS indirection table */ 520 for (i = 0; i < HNS3_RSS_IND_TBL_SIZE; i++) 521 rss_cfg->rss_indirection_tbl[i] = i % queue_num; 522 } 523 524 /* 525 * RSS initialization for hns3 pmd driver. 526 */ 527 int 528 hns3_config_rss(struct hns3_adapter *hns) 529 { 530 struct hns3_hw *hw = &hns->hw; 531 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 532 uint8_t hash_algo = 533 (hw->rss_info.conf.func == RTE_ETH_HASH_FUNCTION_TOEPLITZ ? 534 HNS3_RSS_HASH_ALGO_TOEPLITZ : HNS3_RSS_HASH_ALGO_SIMPLE); 535 uint8_t *hash_key = rss_cfg->key; 536 int ret, ret1; 537 538 enum rte_eth_rx_mq_mode mq_mode = hw->data->dev_conf.rxmode.mq_mode; 539 540 /* When RSS is off, redirect the packet queue 0 */ 541 if (((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) 542 hns3_rss_uninit(hns); 543 544 /* Configure RSS hash algorithm and hash key offset */ 545 ret = hns3_set_rss_algo_key(hw, hash_algo, hash_key); 546 if (ret) 547 return ret; 548 549 /* Configure the tuple selection for RSS hash input */ 550 ret = hns3_set_rss_input_tuple(hw); 551 if (ret) 552 return ret; 553 554 /* 555 * When RSS is off, it doesn't need to configure rss redirection table 556 * to hardware. 557 */ 558 if (((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG)) { 559 ret = hns3_set_rss_indir_table(hw, rss_cfg->rss_indirection_tbl, 560 HNS3_RSS_IND_TBL_SIZE); 561 if (ret) 562 goto rss_tuple_uninit; 563 } 564 565 ret = hns3_set_rss_tc_mode(hw); 566 if (ret) 567 goto rss_indir_table_uninit; 568 569 return ret; 570 571 rss_indir_table_uninit: 572 if (((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG)) { 573 ret1 = hns3_rss_reset_indir_table(hw); 574 if (ret1 != 0) 575 return ret; 576 } 577 578 rss_tuple_uninit: 579 hns3_rss_tuple_uninit(hw); 580 581 /* Disable RSS */ 582 hw->rss_info.conf.types = 0; 583 584 return ret; 585 } 586 587 /* 588 * RSS uninitialization for hns3 pmd driver. 589 */ 590 void 591 hns3_rss_uninit(struct hns3_adapter *hns) 592 { 593 struct hns3_hw *hw = &hns->hw; 594 int ret; 595 596 hns3_rss_tuple_uninit(hw); 597 ret = hns3_rss_reset_indir_table(hw); 598 if (ret != 0) 599 return; 600 601 /* Disable RSS */ 602 hw->rss_info.conf.types = 0; 603 } 604