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, 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 |= 55 (hw->rss_info.hash_algo & HNS3_RSS_HASH_ALGO_MASK); 56 req->hash_config |= (key_offset << HNS3_RSS_HASH_KEY_OFFSET_B); 57 58 if (key_offset == HNS3_SET_HASH_KEY_BYTE_FOUR) 59 key_size = HNS3_RSS_KEY_SIZE - HNS3_RSS_HASH_KEY_NUM * 60 HNS3_SET_HASH_KEY_BYTE_FOUR; 61 else 62 key_size = HNS3_RSS_HASH_KEY_NUM; 63 64 cur_offset = key_offset * HNS3_RSS_HASH_KEY_NUM; 65 key_cur = key + cur_offset; 66 memcpy(req->hash_key, key_cur, key_size); 67 68 ret = hns3_cmd_send(hw, &desc, 1); 69 if (ret) { 70 hns3_err(hw, "Configure RSS algo key failed %d", ret); 71 return ret; 72 } 73 } 74 /* Update the shadow RSS key with user specified */ 75 memcpy(hw->rss_info.key, key, HNS3_RSS_KEY_SIZE); 76 return 0; 77 } 78 79 /* 80 * Used to configure the tuple selection for RSS hash input. 81 */ 82 static int 83 hns3_set_rss_input_tuple(struct hns3_hw *hw) 84 { 85 struct hns3_rss_conf *rss_config = &hw->rss_info; 86 struct hns3_rss_input_tuple_cmd *req; 87 struct hns3_cmd_desc desc_tuple; 88 int ret; 89 90 hns3_cmd_setup_basic_desc(&desc_tuple, HNS3_OPC_RSS_INPUT_TUPLE, false); 91 92 req = (struct hns3_rss_input_tuple_cmd *)desc_tuple.data; 93 94 req->ipv4_tcp_en = rss_config->rss_tuple_sets.ipv4_tcp_en; 95 req->ipv4_udp_en = rss_config->rss_tuple_sets.ipv4_udp_en; 96 req->ipv4_sctp_en = rss_config->rss_tuple_sets.ipv4_sctp_en; 97 req->ipv4_fragment_en = rss_config->rss_tuple_sets.ipv4_fragment_en; 98 req->ipv6_tcp_en = rss_config->rss_tuple_sets.ipv6_tcp_en; 99 req->ipv6_udp_en = rss_config->rss_tuple_sets.ipv6_udp_en; 100 req->ipv6_sctp_en = rss_config->rss_tuple_sets.ipv6_sctp_en; 101 req->ipv6_fragment_en = rss_config->rss_tuple_sets.ipv6_fragment_en; 102 103 ret = hns3_cmd_send(hw, &desc_tuple, 1); 104 if (ret) 105 hns3_err(hw, "Configure RSS input tuple mode failed %d", ret); 106 107 return ret; 108 } 109 110 /* 111 * rss_indirection_table command function, opcode:0x0D07. 112 * Used to configure the indirection table of rss. 113 */ 114 int 115 hns3_set_rss_indir_table(struct hns3_hw *hw, uint8_t *indir, uint16_t size) 116 { 117 struct hns3_rss_indirection_table_cmd *req; 118 struct hns3_cmd_desc desc; 119 int ret, i, j, num; 120 121 req = (struct hns3_rss_indirection_table_cmd *)desc.data; 122 123 for (i = 0; i < size / HNS3_RSS_CFG_TBL_SIZE; i++) { 124 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_INDIR_TABLE, 125 false); 126 req->start_table_index = 127 rte_cpu_to_le_16(i * HNS3_RSS_CFG_TBL_SIZE); 128 req->rss_set_bitmap = rte_cpu_to_le_16(HNS3_RSS_SET_BITMAP_MSK); 129 for (j = 0; j < HNS3_RSS_CFG_TBL_SIZE; j++) { 130 num = i * HNS3_RSS_CFG_TBL_SIZE + j; 131 req->rss_result[j] = indir[num]; 132 } 133 ret = hns3_cmd_send(hw, &desc, 1); 134 if (ret) { 135 hns3_err(hw, 136 "Sets RSS indirection table failed %d size %u", 137 ret, size); 138 return ret; 139 } 140 } 141 142 /* Update redirection table of hw */ 143 memcpy(hw->rss_info.rss_indirection_tbl, indir, HNS3_RSS_IND_TBL_SIZE); 144 145 return 0; 146 } 147 148 int 149 hns3_rss_reset_indir_table(struct hns3_hw *hw) 150 { 151 uint8_t *lut; 152 int ret; 153 154 lut = rte_zmalloc("hns3_rss_lut", HNS3_RSS_IND_TBL_SIZE, 0); 155 if (lut == NULL) { 156 hns3_err(hw, "No hns3_rss_lut memory can be allocated"); 157 return -ENOMEM; 158 } 159 160 ret = hns3_set_rss_indir_table(hw, lut, HNS3_RSS_IND_TBL_SIZE); 161 if (ret) 162 hns3_err(hw, "RSS uninit indir table failed: %d", ret); 163 rte_free(lut); 164 165 return ret; 166 } 167 168 int 169 hns3_set_rss_tuple_by_rss_hf(struct hns3_hw *hw, 170 struct hns3_rss_tuple_cfg *tuple, uint64_t rss_hf) 171 { 172 struct hns3_rss_input_tuple_cmd *req; 173 struct hns3_cmd_desc desc; 174 uint32_t i; 175 int ret; 176 177 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_INPUT_TUPLE, false); 178 179 req = (struct hns3_rss_input_tuple_cmd *)desc.data; 180 181 /* Enable ipv4 or ipv6 tuple by flow type */ 182 for (i = 0; i < RTE_ETH_FLOW_MAX; i++) { 183 switch (rss_hf & (1ULL << i)) { 184 case ETH_RSS_NONFRAG_IPV4_TCP: 185 req->ipv4_tcp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 186 break; 187 case ETH_RSS_NONFRAG_IPV4_UDP: 188 req->ipv4_udp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 189 break; 190 case ETH_RSS_NONFRAG_IPV4_SCTP: 191 req->ipv4_sctp_en = HNS3_RSS_INPUT_TUPLE_SCTP; 192 break; 193 case ETH_RSS_FRAG_IPV4: 194 req->ipv4_fragment_en |= HNS3_IP_FRAG_BIT_MASK; 195 break; 196 case ETH_RSS_NONFRAG_IPV4_OTHER: 197 req->ipv4_fragment_en |= HNS3_IP_OTHER_BIT_MASK; 198 break; 199 case ETH_RSS_NONFRAG_IPV6_TCP: 200 req->ipv6_tcp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 201 break; 202 case ETH_RSS_NONFRAG_IPV6_UDP: 203 req->ipv6_udp_en = HNS3_RSS_INPUT_TUPLE_OTHER; 204 break; 205 case ETH_RSS_NONFRAG_IPV6_SCTP: 206 req->ipv6_sctp_en = HNS3_RSS_INPUT_TUPLE_SCTP; 207 break; 208 case ETH_RSS_FRAG_IPV6: 209 req->ipv6_fragment_en |= HNS3_IP_FRAG_BIT_MASK; 210 break; 211 case ETH_RSS_NONFRAG_IPV6_OTHER: 212 req->ipv6_fragment_en |= HNS3_IP_OTHER_BIT_MASK; 213 break; 214 default: 215 /* 216 * rss_hf doesn't include unsupported flow types 217 * because the API framework has checked it, and 218 * this branch will never go unless rss_hf is zero. 219 */ 220 break; 221 } 222 } 223 224 ret = hns3_cmd_send(hw, &desc, 1); 225 if (ret) { 226 hns3_err(hw, "Update RSS flow types tuples failed %d", ret); 227 return ret; 228 } 229 230 tuple->ipv4_tcp_en = req->ipv4_tcp_en; 231 tuple->ipv4_udp_en = req->ipv4_udp_en; 232 tuple->ipv4_sctp_en = req->ipv4_sctp_en; 233 tuple->ipv4_fragment_en = req->ipv4_fragment_en; 234 tuple->ipv6_tcp_en = req->ipv6_tcp_en; 235 tuple->ipv6_udp_en = req->ipv6_udp_en; 236 tuple->ipv6_sctp_en = req->ipv6_sctp_en; 237 tuple->ipv6_fragment_en = req->ipv6_fragment_en; 238 239 return 0; 240 } 241 242 /* 243 * Configure RSS hash protocols and hash key. 244 * @param dev 245 * Pointer to Ethernet device. 246 * @praram rss_conf 247 * The configuration select of rss key size and tuple flow_types. 248 * @return 249 * 0 on success, a negative errno value otherwise is set. 250 */ 251 int 252 hns3_dev_rss_hash_update(struct rte_eth_dev *dev, 253 struct rte_eth_rss_conf *rss_conf) 254 { 255 struct hns3_adapter *hns = dev->data->dev_private; 256 struct hns3_hw *hw = &hns->hw; 257 struct hns3_rss_tuple_cfg *tuple = &hw->rss_info.rss_tuple_sets; 258 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 259 uint8_t key_len = rss_conf->rss_key_len; 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 ret = hns3_set_rss_algo_key(hw, key); 296 if (ret) 297 goto conf_err; 298 } 299 rte_spinlock_unlock(&hw->lock); 300 301 return 0; 302 303 conf_err: 304 rte_spinlock_unlock(&hw->lock); 305 return ret; 306 } 307 308 /* 309 * Get rss key and rss_hf types set of RSS hash configuration. 310 * @param dev 311 * Pointer to Ethernet device. 312 * @praram rss_conf 313 * The buffer to get rss key size and tuple types. 314 * @return 315 * 0 on success. 316 */ 317 int 318 hns3_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 319 struct rte_eth_rss_conf *rss_conf) 320 { 321 struct hns3_adapter *hns = dev->data->dev_private; 322 struct hns3_hw *hw = &hns->hw; 323 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 324 325 rte_spinlock_lock(&hw->lock); 326 rss_conf->rss_hf = rss_cfg->conf.types; 327 328 /* Get the RSS Key required by the user */ 329 if (rss_conf->rss_key && rss_conf->rss_key_len >= HNS3_RSS_KEY_SIZE) { 330 memcpy(rss_conf->rss_key, rss_cfg->key, HNS3_RSS_KEY_SIZE); 331 rss_conf->rss_key_len = HNS3_RSS_KEY_SIZE; 332 } 333 rte_spinlock_unlock(&hw->lock); 334 335 return 0; 336 } 337 338 /* 339 * Update rss redirection table of RSS. 340 * @param dev 341 * Pointer to Ethernet device. 342 * @praram reta_conf 343 * Pointer to the configuration select of mask and redirection tables. 344 * @param reta_size 345 * Redirection table size. 346 * @return 347 * 0 on success, a negative errno value otherwise is set. 348 */ 349 int 350 hns3_dev_rss_reta_update(struct rte_eth_dev *dev, 351 struct rte_eth_rss_reta_entry64 *reta_conf, 352 uint16_t reta_size) 353 { 354 struct hns3_adapter *hns = dev->data->dev_private; 355 struct hns3_hw *hw = &hns->hw; 356 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 357 uint16_t i, indir_size = HNS3_RSS_IND_TBL_SIZE; /* Table size is 512 */ 358 uint8_t indirection_tbl[HNS3_RSS_IND_TBL_SIZE]; 359 uint16_t idx, shift, allow_rss_queues; 360 int ret; 361 362 if (reta_size != indir_size || reta_size > ETH_RSS_RETA_SIZE_512) { 363 hns3_err(hw, "The size of hash lookup table configured (%u)" 364 "doesn't match the number hardware can supported" 365 "(%u)", reta_size, indir_size); 366 return -EINVAL; 367 } 368 rte_spinlock_lock(&hw->lock); 369 memcpy(indirection_tbl, rss_cfg->rss_indirection_tbl, 370 HNS3_RSS_IND_TBL_SIZE); 371 allow_rss_queues = RTE_MIN(dev->data->nb_rx_queues, hw->rss_size_max); 372 for (i = 0; i < reta_size; i++) { 373 idx = i / RTE_RETA_GROUP_SIZE; 374 shift = i % RTE_RETA_GROUP_SIZE; 375 if (reta_conf[idx].reta[shift] >= allow_rss_queues) { 376 rte_spinlock_unlock(&hw->lock); 377 hns3_err(hw, "Invalid queue id(%u) to be set in " 378 "redirection table, max number of rss " 379 "queues: %u", reta_conf[idx].reta[shift], 380 allow_rss_queues); 381 return -EINVAL; 382 } 383 384 if (reta_conf[idx].mask & (1ULL << shift)) 385 indirection_tbl[i] = reta_conf[idx].reta[shift]; 386 } 387 388 ret = hns3_set_rss_indir_table(hw, indirection_tbl, 389 HNS3_RSS_IND_TBL_SIZE); 390 391 rte_spinlock_unlock(&hw->lock); 392 return ret; 393 } 394 395 /* 396 * Get rss redirection table of RSS hash configuration. 397 * @param dev 398 * Pointer to Ethernet device. 399 * @praram reta_conf 400 * Pointer to the configuration select of mask and redirection tables. 401 * @param reta_size 402 * Redirection table size. 403 * @return 404 * 0 on success, a negative errno value otherwise is set. 405 */ 406 int 407 hns3_dev_rss_reta_query(struct rte_eth_dev *dev, 408 struct rte_eth_rss_reta_entry64 *reta_conf, 409 uint16_t reta_size) 410 { 411 struct hns3_adapter *hns = dev->data->dev_private; 412 struct hns3_hw *hw = &hns->hw; 413 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 414 uint16_t i, indir_size = HNS3_RSS_IND_TBL_SIZE; /* Table size is 512 */ 415 uint16_t idx, shift; 416 417 if (reta_size != indir_size || reta_size > ETH_RSS_RETA_SIZE_512) { 418 hns3_err(hw, "The size of hash lookup table configured (%u)" 419 " doesn't match the number hardware can supported" 420 "(%u)", reta_size, indir_size); 421 return -EINVAL; 422 } 423 rte_spinlock_lock(&hw->lock); 424 for (i = 0; i < reta_size; i++) { 425 idx = i / RTE_RETA_GROUP_SIZE; 426 shift = i % RTE_RETA_GROUP_SIZE; 427 if (reta_conf[idx].mask & (1ULL << shift)) 428 reta_conf[idx].reta[shift] = 429 rss_cfg->rss_indirection_tbl[i]; 430 } 431 rte_spinlock_unlock(&hw->lock); 432 return 0; 433 } 434 435 /* 436 * Used to configure the tc_size and tc_offset. 437 */ 438 static int 439 hns3_set_rss_tc_mode(struct hns3_hw *hw) 440 { 441 uint16_t rss_size = hw->alloc_rss_size; 442 struct hns3_rss_tc_mode_cmd *req; 443 uint16_t tc_offset[HNS3_MAX_TC_NUM]; 444 uint8_t tc_valid[HNS3_MAX_TC_NUM]; 445 uint16_t tc_size[HNS3_MAX_TC_NUM]; 446 struct hns3_cmd_desc desc; 447 uint16_t roundup_size; 448 uint16_t i; 449 int ret; 450 451 req = (struct hns3_rss_tc_mode_cmd *)desc.data; 452 453 roundup_size = roundup_pow_of_two(rss_size); 454 roundup_size = ilog2(roundup_size); 455 456 for (i = 0; i < HNS3_MAX_TC_NUM; i++) { 457 tc_valid[i] = !!(hw->hw_tc_map & BIT(i)); 458 tc_size[i] = roundup_size; 459 tc_offset[i] = rss_size * i; 460 } 461 462 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_TC_MODE, false); 463 for (i = 0; i < HNS3_MAX_TC_NUM; i++) { 464 uint16_t mode = 0; 465 466 hns3_set_bit(mode, HNS3_RSS_TC_VALID_B, (tc_valid[i] & 0x1)); 467 hns3_set_field(mode, HNS3_RSS_TC_SIZE_M, HNS3_RSS_TC_SIZE_S, 468 tc_size[i]); 469 hns3_set_field(mode, HNS3_RSS_TC_OFFSET_M, HNS3_RSS_TC_OFFSET_S, 470 tc_offset[i]); 471 472 req->rss_tc_mode[i] = rte_cpu_to_le_16(mode); 473 } 474 ret = hns3_cmd_send(hw, &desc, 1); 475 if (ret) 476 hns3_err(hw, "Sets rss tc mode failed %d", ret); 477 478 return ret; 479 } 480 481 static void 482 hns3_rss_tuple_uninit(struct hns3_hw *hw) 483 { 484 struct hns3_rss_input_tuple_cmd *req; 485 struct hns3_cmd_desc desc; 486 int ret; 487 488 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RSS_INPUT_TUPLE, false); 489 490 req = (struct hns3_rss_input_tuple_cmd *)desc.data; 491 492 memset(req, 0, sizeof(struct hns3_rss_tuple_cfg)); 493 494 ret = hns3_cmd_send(hw, &desc, 1); 495 if (ret) { 496 hns3_err(hw, "RSS uninit tuple failed %d", ret); 497 return; 498 } 499 } 500 501 /* 502 * Set the default rss configuration in the init of driver. 503 */ 504 void 505 hns3_set_default_rss_args(struct hns3_hw *hw) 506 { 507 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 508 uint16_t queue_num = hw->alloc_rss_size; 509 int i; 510 511 /* Default hash algorithm */ 512 rss_cfg->conf.func = RTE_ETH_HASH_FUNCTION_TOEPLITZ; 513 514 /* Default RSS key */ 515 memcpy(rss_cfg->key, hns3_hash_key, HNS3_RSS_KEY_SIZE); 516 517 /* Initialize RSS indirection table */ 518 for (i = 0; i < HNS3_RSS_IND_TBL_SIZE; i++) 519 rss_cfg->rss_indirection_tbl[i] = i % queue_num; 520 } 521 522 /* 523 * RSS initialization for hns3 pmd driver. 524 */ 525 int 526 hns3_config_rss(struct hns3_adapter *hns) 527 { 528 struct hns3_hw *hw = &hns->hw; 529 struct hns3_rss_conf *rss_cfg = &hw->rss_info; 530 uint8_t *hash_key = rss_cfg->key; 531 int ret, ret1; 532 533 enum rte_eth_rx_mq_mode mq_mode = hw->data->dev_conf.rxmode.mq_mode; 534 535 switch (hw->rss_info.conf.func) { 536 case RTE_ETH_HASH_FUNCTION_SIMPLE_XOR: 537 hw->rss_info.hash_algo = HNS3_RSS_HASH_ALGO_SIMPLE; 538 break; 539 case RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ: 540 hw->rss_info.hash_algo = HNS3_RSS_HASH_ALGO_SYMMETRIC_TOEP; 541 break; 542 default: 543 hw->rss_info.hash_algo = HNS3_RSS_HASH_ALGO_TOEPLITZ; 544 break; 545 } 546 547 /* When RSS is off, redirect the packet queue 0 */ 548 if (((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) == 0) 549 hns3_rss_uninit(hns); 550 551 /* Configure RSS hash algorithm and hash key offset */ 552 ret = hns3_set_rss_algo_key(hw, hash_key); 553 if (ret) 554 return ret; 555 556 /* Configure the tuple selection for RSS hash input */ 557 ret = hns3_set_rss_input_tuple(hw); 558 if (ret) 559 return ret; 560 561 /* 562 * When RSS is off, it doesn't need to configure rss redirection table 563 * to hardware. 564 */ 565 if (((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG)) { 566 ret = hns3_set_rss_indir_table(hw, rss_cfg->rss_indirection_tbl, 567 HNS3_RSS_IND_TBL_SIZE); 568 if (ret) 569 goto rss_tuple_uninit; 570 } 571 572 ret = hns3_set_rss_tc_mode(hw); 573 if (ret) 574 goto rss_indir_table_uninit; 575 576 return ret; 577 578 rss_indir_table_uninit: 579 if (((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG)) { 580 ret1 = hns3_rss_reset_indir_table(hw); 581 if (ret1 != 0) 582 return ret; 583 } 584 585 rss_tuple_uninit: 586 hns3_rss_tuple_uninit(hw); 587 588 /* Disable RSS */ 589 hw->rss_info.conf.types = 0; 590 591 return ret; 592 } 593 594 /* 595 * RSS uninitialization for hns3 pmd driver. 596 */ 597 void 598 hns3_rss_uninit(struct hns3_adapter *hns) 599 { 600 struct hns3_hw *hw = &hns->hw; 601 int ret; 602 603 hns3_rss_tuple_uninit(hw); 604 ret = hns3_rss_reset_indir_table(hw); 605 if (ret != 0) 606 return; 607 608 /* Disable RSS */ 609 hw->rss_info.conf.types = 0; 610 } 611