1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2014-2018 Broadcom 3 * All rights reserved. 4 */ 5 6 #include <sys/queue.h> 7 8 #include <rte_log.h> 9 #include <rte_malloc.h> 10 #include <rte_flow.h> 11 #include <rte_flow_driver.h> 12 #include <rte_tailq.h> 13 14 #include "bnxt.h" 15 #include "bnxt_filter.h" 16 #include "bnxt_hwrm.h" 17 #include "bnxt_ring.h" 18 #include "bnxt_rxq.h" 19 #include "bnxt_vnic.h" 20 #include "hsi_struct_def_dpdk.h" 21 22 static int 23 bnxt_flow_args_validate(const struct rte_flow_attr *attr, 24 const struct rte_flow_item pattern[], 25 const struct rte_flow_action actions[], 26 struct rte_flow_error *error) 27 { 28 if (!pattern) { 29 rte_flow_error_set(error, 30 EINVAL, 31 RTE_FLOW_ERROR_TYPE_ITEM_NUM, 32 NULL, 33 "NULL pattern."); 34 return -rte_errno; 35 } 36 37 if (!actions) { 38 rte_flow_error_set(error, 39 EINVAL, 40 RTE_FLOW_ERROR_TYPE_ACTION_NUM, 41 NULL, 42 "NULL action."); 43 return -rte_errno; 44 } 45 46 if (!attr) { 47 rte_flow_error_set(error, 48 EINVAL, 49 RTE_FLOW_ERROR_TYPE_ATTR, 50 NULL, 51 "NULL attribute."); 52 return -rte_errno; 53 } 54 55 return 0; 56 } 57 58 static const struct rte_flow_item * 59 bnxt_flow_non_void_item(const struct rte_flow_item *cur) 60 { 61 while (1) { 62 if (cur->type != RTE_FLOW_ITEM_TYPE_VOID) 63 return cur; 64 cur++; 65 } 66 } 67 68 static const struct rte_flow_action * 69 bnxt_flow_non_void_action(const struct rte_flow_action *cur) 70 { 71 while (1) { 72 if (cur->type != RTE_FLOW_ACTION_TYPE_VOID) 73 return cur; 74 cur++; 75 } 76 } 77 78 static int 79 bnxt_filter_type_check(const struct rte_flow_item pattern[], 80 struct rte_flow_error *error) 81 { 82 const struct rte_flow_item *item = 83 bnxt_flow_non_void_item(pattern); 84 int use_ntuple = 1; 85 bool has_vlan = 0; 86 87 while (item->type != RTE_FLOW_ITEM_TYPE_END) { 88 switch (item->type) { 89 case RTE_FLOW_ITEM_TYPE_ANY: 90 case RTE_FLOW_ITEM_TYPE_ETH: 91 use_ntuple = 0; 92 break; 93 case RTE_FLOW_ITEM_TYPE_VLAN: 94 use_ntuple = 0; 95 has_vlan = 1; 96 break; 97 case RTE_FLOW_ITEM_TYPE_IPV4: 98 case RTE_FLOW_ITEM_TYPE_IPV6: 99 case RTE_FLOW_ITEM_TYPE_TCP: 100 case RTE_FLOW_ITEM_TYPE_UDP: 101 /* FALLTHROUGH */ 102 /* need ntuple match, reset exact match */ 103 use_ntuple |= 1; 104 break; 105 default: 106 PMD_DRV_LOG(DEBUG, "Unknown Flow type\n"); 107 use_ntuple |= 0; 108 } 109 item++; 110 } 111 112 if (has_vlan && use_ntuple) { 113 PMD_DRV_LOG(ERR, 114 "VLAN flow cannot use NTUPLE filter\n"); 115 rte_flow_error_set(error, EINVAL, 116 RTE_FLOW_ERROR_TYPE_ITEM, 117 item, 118 "Cannot use VLAN with NTUPLE"); 119 return -rte_errno; 120 } 121 122 return use_ntuple; 123 } 124 125 static int 126 bnxt_validate_and_parse_flow_type(struct bnxt *bp, 127 const struct rte_flow_attr *attr, 128 const struct rte_flow_item pattern[], 129 struct rte_flow_error *error, 130 struct bnxt_filter_info *filter) 131 { 132 const struct rte_flow_item *item = bnxt_flow_non_void_item(pattern); 133 const struct rte_flow_item_vlan *vlan_spec, *vlan_mask; 134 const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask; 135 const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask; 136 const struct rte_flow_item_tcp *tcp_spec, *tcp_mask; 137 const struct rte_flow_item_udp *udp_spec, *udp_mask; 138 const struct rte_flow_item_eth *eth_spec, *eth_mask; 139 const struct rte_ether_addr *dst, *src; 140 const struct rte_flow_item_nvgre *nvgre_spec; 141 const struct rte_flow_item_nvgre *nvgre_mask; 142 const struct rte_flow_item_gre *gre_spec; 143 const struct rte_flow_item_gre *gre_mask; 144 const struct rte_flow_item_vxlan *vxlan_spec; 145 const struct rte_flow_item_vxlan *vxlan_mask; 146 uint8_t vni_mask[] = {0xFF, 0xFF, 0xFF}; 147 uint8_t tni_mask[] = {0xFF, 0xFF, 0xFF}; 148 const struct rte_flow_item_vf *vf_spec; 149 uint32_t tenant_id_be = 0, valid_flags = 0; 150 bool vni_masked = 0; 151 bool tni_masked = 0; 152 uint32_t en_ethertype; 153 uint8_t inner = 0; 154 uint32_t vf = 0; 155 uint32_t en = 0; 156 int use_ntuple; 157 int dflt_vnic; 158 159 use_ntuple = bnxt_filter_type_check(pattern, error); 160 if (use_ntuple < 0) 161 return use_ntuple; 162 PMD_DRV_LOG(DEBUG, "Use NTUPLE %d\n", use_ntuple); 163 164 filter->filter_type = use_ntuple ? 165 HWRM_CFA_NTUPLE_FILTER : HWRM_CFA_L2_FILTER; 166 en_ethertype = use_ntuple ? 167 NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE : 168 EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE; 169 170 while (item->type != RTE_FLOW_ITEM_TYPE_END) { 171 if (item->last) { 172 /* last or range is NOT supported as match criteria */ 173 rte_flow_error_set(error, EINVAL, 174 RTE_FLOW_ERROR_TYPE_ITEM, 175 item, 176 "No support for range"); 177 return -rte_errno; 178 } 179 180 switch (item->type) { 181 case RTE_FLOW_ITEM_TYPE_ANY: 182 inner = 183 ((const struct rte_flow_item_any *)item->spec)->num > 3; 184 if (inner) 185 PMD_DRV_LOG(DEBUG, "Parse inner header\n"); 186 break; 187 case RTE_FLOW_ITEM_TYPE_ETH: 188 if (!item->spec || !item->mask) 189 break; 190 191 eth_spec = item->spec; 192 eth_mask = item->mask; 193 194 /* Source MAC address mask cannot be partially set. 195 * Should be All 0's or all 1's. 196 * Destination MAC address mask must not be partially 197 * set. Should be all 1's or all 0's. 198 */ 199 if ((!rte_is_zero_ether_addr(ð_mask->src) && 200 !rte_is_broadcast_ether_addr(ð_mask->src)) || 201 (!rte_is_zero_ether_addr(ð_mask->dst) && 202 !rte_is_broadcast_ether_addr(ð_mask->dst))) { 203 rte_flow_error_set(error, 204 EINVAL, 205 RTE_FLOW_ERROR_TYPE_ITEM, 206 item, 207 "MAC_addr mask not valid"); 208 return -rte_errno; 209 } 210 211 /* Mask is not allowed. Only exact matches are */ 212 if (eth_mask->type && 213 eth_mask->type != RTE_BE16(0xffff)) { 214 rte_flow_error_set(error, EINVAL, 215 RTE_FLOW_ERROR_TYPE_ITEM, 216 item, 217 "ethertype mask not valid"); 218 return -rte_errno; 219 } 220 221 if (rte_is_broadcast_ether_addr(ð_mask->dst)) { 222 dst = ð_spec->dst; 223 if (!rte_is_valid_assigned_ether_addr(dst)) { 224 rte_flow_error_set(error, 225 EINVAL, 226 RTE_FLOW_ERROR_TYPE_ITEM, 227 item, 228 "DMAC is invalid"); 229 PMD_DRV_LOG(ERR, 230 "DMAC is invalid!\n"); 231 return -rte_errno; 232 } 233 rte_memcpy(filter->dst_macaddr, 234 ð_spec->dst, RTE_ETHER_ADDR_LEN); 235 en |= use_ntuple ? 236 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR : 237 EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR; 238 valid_flags |= inner ? 239 BNXT_FLOW_L2_INNER_DST_VALID_FLAG : 240 BNXT_FLOW_L2_DST_VALID_FLAG; 241 filter->priority = attr->priority; 242 PMD_DRV_LOG(DEBUG, 243 "Creating a priority flow\n"); 244 } 245 if (rte_is_broadcast_ether_addr(ð_mask->src)) { 246 src = ð_spec->src; 247 if (!rte_is_valid_assigned_ether_addr(src)) { 248 rte_flow_error_set(error, 249 EINVAL, 250 RTE_FLOW_ERROR_TYPE_ITEM, 251 item, 252 "SMAC is invalid"); 253 PMD_DRV_LOG(ERR, 254 "SMAC is invalid!\n"); 255 return -rte_errno; 256 } 257 rte_memcpy(filter->src_macaddr, 258 ð_spec->src, RTE_ETHER_ADDR_LEN); 259 en |= use_ntuple ? 260 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR : 261 EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR; 262 valid_flags |= inner ? 263 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG : 264 BNXT_FLOW_L2_SRC_VALID_FLAG; 265 } /* 266 * else { 267 * PMD_DRV_LOG(ERR, "Handle this condition\n"); 268 * } 269 */ 270 if (eth_mask->type) { 271 filter->ethertype = 272 rte_be_to_cpu_16(eth_spec->type); 273 en |= en_ethertype; 274 } 275 if (inner) 276 valid_flags |= BNXT_FLOW_PARSE_INNER_FLAG; 277 278 break; 279 case RTE_FLOW_ITEM_TYPE_VLAN: 280 vlan_spec = item->spec; 281 vlan_mask = item->mask; 282 if (en & en_ethertype) { 283 rte_flow_error_set(error, EINVAL, 284 RTE_FLOW_ERROR_TYPE_ITEM, 285 item, 286 "VLAN TPID matching is not" 287 " supported"); 288 return -rte_errno; 289 } 290 if (vlan_mask->tci && 291 vlan_mask->tci == RTE_BE16(0x0fff)) { 292 /* Only the VLAN ID can be matched. */ 293 filter->l2_ovlan = 294 rte_be_to_cpu_16(vlan_spec->tci & 295 RTE_BE16(0x0fff)); 296 en |= EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID; 297 } else { 298 rte_flow_error_set(error, 299 EINVAL, 300 RTE_FLOW_ERROR_TYPE_ITEM, 301 item, 302 "VLAN mask is invalid"); 303 return -rte_errno; 304 } 305 if (vlan_mask->inner_type && 306 vlan_mask->inner_type != RTE_BE16(0xffff)) { 307 rte_flow_error_set(error, EINVAL, 308 RTE_FLOW_ERROR_TYPE_ITEM, 309 item, 310 "inner ethertype mask not" 311 " valid"); 312 return -rte_errno; 313 } 314 if (vlan_mask->inner_type) { 315 filter->ethertype = 316 rte_be_to_cpu_16(vlan_spec->inner_type); 317 en |= en_ethertype; 318 } 319 320 break; 321 case RTE_FLOW_ITEM_TYPE_IPV4: 322 /* If mask is not involved, we could use EM filters. */ 323 ipv4_spec = item->spec; 324 ipv4_mask = item->mask; 325 326 if (!item->spec || !item->mask) 327 break; 328 329 /* Only IP DST and SRC fields are maskable. */ 330 if (ipv4_mask->hdr.version_ihl || 331 ipv4_mask->hdr.type_of_service || 332 ipv4_mask->hdr.total_length || 333 ipv4_mask->hdr.packet_id || 334 ipv4_mask->hdr.fragment_offset || 335 ipv4_mask->hdr.time_to_live || 336 ipv4_mask->hdr.next_proto_id || 337 ipv4_mask->hdr.hdr_checksum) { 338 rte_flow_error_set(error, 339 EINVAL, 340 RTE_FLOW_ERROR_TYPE_ITEM, 341 item, 342 "Invalid IPv4 mask."); 343 return -rte_errno; 344 } 345 346 filter->dst_ipaddr[0] = ipv4_spec->hdr.dst_addr; 347 filter->src_ipaddr[0] = ipv4_spec->hdr.src_addr; 348 349 if (use_ntuple) 350 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR | 351 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; 352 else 353 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR | 354 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR; 355 356 if (ipv4_mask->hdr.src_addr) { 357 filter->src_ipaddr_mask[0] = 358 ipv4_mask->hdr.src_addr; 359 en |= !use_ntuple ? 0 : 360 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; 361 } 362 363 if (ipv4_mask->hdr.dst_addr) { 364 filter->dst_ipaddr_mask[0] = 365 ipv4_mask->hdr.dst_addr; 366 en |= !use_ntuple ? 0 : 367 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; 368 } 369 370 filter->ip_addr_type = use_ntuple ? 371 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4 : 372 HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV4; 373 374 if (ipv4_spec->hdr.next_proto_id) { 375 filter->ip_protocol = 376 ipv4_spec->hdr.next_proto_id; 377 if (use_ntuple) 378 en |= NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO; 379 else 380 en |= EM_FLOW_ALLOC_INPUT_EN_IP_PROTO; 381 } 382 break; 383 case RTE_FLOW_ITEM_TYPE_IPV6: 384 ipv6_spec = item->spec; 385 ipv6_mask = item->mask; 386 387 if (!item->spec || !item->mask) 388 break; 389 390 /* Only IP DST and SRC fields are maskable. */ 391 if (ipv6_mask->hdr.vtc_flow || 392 ipv6_mask->hdr.payload_len || 393 ipv6_mask->hdr.proto || 394 ipv6_mask->hdr.hop_limits) { 395 rte_flow_error_set(error, 396 EINVAL, 397 RTE_FLOW_ERROR_TYPE_ITEM, 398 item, 399 "Invalid IPv6 mask."); 400 return -rte_errno; 401 } 402 403 if (use_ntuple) 404 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR | 405 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR; 406 else 407 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR | 408 EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR; 409 410 rte_memcpy(filter->src_ipaddr, 411 ipv6_spec->hdr.src_addr, 16); 412 rte_memcpy(filter->dst_ipaddr, 413 ipv6_spec->hdr.dst_addr, 16); 414 415 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.src_addr, 416 16)) { 417 rte_memcpy(filter->src_ipaddr_mask, 418 ipv6_mask->hdr.src_addr, 16); 419 en |= !use_ntuple ? 0 : 420 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK; 421 } 422 423 if (!bnxt_check_zero_bytes(ipv6_mask->hdr.dst_addr, 424 16)) { 425 rte_memcpy(filter->dst_ipaddr_mask, 426 ipv6_mask->hdr.dst_addr, 16); 427 en |= !use_ntuple ? 0 : 428 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK; 429 } 430 431 filter->ip_addr_type = use_ntuple ? 432 NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6 : 433 EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6; 434 break; 435 case RTE_FLOW_ITEM_TYPE_TCP: 436 tcp_spec = item->spec; 437 tcp_mask = item->mask; 438 439 if (!item->spec || !item->mask) 440 break; 441 442 /* Check TCP mask. Only DST & SRC ports are maskable */ 443 if (tcp_mask->hdr.sent_seq || 444 tcp_mask->hdr.recv_ack || 445 tcp_mask->hdr.data_off || 446 tcp_mask->hdr.tcp_flags || 447 tcp_mask->hdr.rx_win || 448 tcp_mask->hdr.cksum || 449 tcp_mask->hdr.tcp_urp) { 450 rte_flow_error_set(error, 451 EINVAL, 452 RTE_FLOW_ERROR_TYPE_ITEM, 453 item, 454 "Invalid TCP mask"); 455 return -rte_errno; 456 } 457 458 filter->src_port = tcp_spec->hdr.src_port; 459 filter->dst_port = tcp_spec->hdr.dst_port; 460 461 if (use_ntuple) 462 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT | 463 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT; 464 else 465 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT | 466 EM_FLOW_ALLOC_INPUT_EN_DST_PORT; 467 468 if (tcp_mask->hdr.dst_port) { 469 filter->dst_port_mask = tcp_mask->hdr.dst_port; 470 en |= !use_ntuple ? 0 : 471 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK; 472 } 473 474 if (tcp_mask->hdr.src_port) { 475 filter->src_port_mask = tcp_mask->hdr.src_port; 476 en |= !use_ntuple ? 0 : 477 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK; 478 } 479 break; 480 case RTE_FLOW_ITEM_TYPE_UDP: 481 udp_spec = item->spec; 482 udp_mask = item->mask; 483 484 if (!item->spec || !item->mask) 485 break; 486 487 if (udp_mask->hdr.dgram_len || 488 udp_mask->hdr.dgram_cksum) { 489 rte_flow_error_set(error, 490 EINVAL, 491 RTE_FLOW_ERROR_TYPE_ITEM, 492 item, 493 "Invalid UDP mask"); 494 return -rte_errno; 495 } 496 497 filter->src_port = udp_spec->hdr.src_port; 498 filter->dst_port = udp_spec->hdr.dst_port; 499 500 if (use_ntuple) 501 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT | 502 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT; 503 else 504 en |= EM_FLOW_ALLOC_INPUT_EN_SRC_PORT | 505 EM_FLOW_ALLOC_INPUT_EN_DST_PORT; 506 507 if (udp_mask->hdr.dst_port) { 508 filter->dst_port_mask = udp_mask->hdr.dst_port; 509 en |= !use_ntuple ? 0 : 510 NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK; 511 } 512 513 if (udp_mask->hdr.src_port) { 514 filter->src_port_mask = udp_mask->hdr.src_port; 515 en |= !use_ntuple ? 0 : 516 NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK; 517 } 518 break; 519 case RTE_FLOW_ITEM_TYPE_VXLAN: 520 vxlan_spec = item->spec; 521 vxlan_mask = item->mask; 522 /* Check if VXLAN item is used to describe protocol. 523 * If yes, both spec and mask should be NULL. 524 * If no, both spec and mask shouldn't be NULL. 525 */ 526 if ((!vxlan_spec && vxlan_mask) || 527 (vxlan_spec && !vxlan_mask)) { 528 rte_flow_error_set(error, 529 EINVAL, 530 RTE_FLOW_ERROR_TYPE_ITEM, 531 item, 532 "Invalid VXLAN item"); 533 return -rte_errno; 534 } 535 536 if (!vxlan_spec && !vxlan_mask) { 537 filter->tunnel_type = 538 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN; 539 break; 540 } 541 542 if (vxlan_spec->rsvd1 || vxlan_spec->rsvd0[0] || 543 vxlan_spec->rsvd0[1] || vxlan_spec->rsvd0[2] || 544 vxlan_spec->flags != 0x8) { 545 rte_flow_error_set(error, 546 EINVAL, 547 RTE_FLOW_ERROR_TYPE_ITEM, 548 item, 549 "Invalid VXLAN item"); 550 return -rte_errno; 551 } 552 553 /* Check if VNI is masked. */ 554 if (vxlan_spec && vxlan_mask) { 555 vni_masked = 556 !!memcmp(vxlan_mask->vni, vni_mask, 557 RTE_DIM(vni_mask)); 558 if (vni_masked) { 559 rte_flow_error_set 560 (error, 561 EINVAL, 562 RTE_FLOW_ERROR_TYPE_ITEM, 563 item, 564 "Invalid VNI mask"); 565 return -rte_errno; 566 } 567 568 rte_memcpy(((uint8_t *)&tenant_id_be + 1), 569 vxlan_spec->vni, 3); 570 filter->vni = 571 rte_be_to_cpu_32(tenant_id_be); 572 filter->tunnel_type = 573 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN; 574 } 575 break; 576 case RTE_FLOW_ITEM_TYPE_NVGRE: 577 nvgre_spec = item->spec; 578 nvgre_mask = item->mask; 579 /* Check if NVGRE item is used to describe protocol. 580 * If yes, both spec and mask should be NULL. 581 * If no, both spec and mask shouldn't be NULL. 582 */ 583 if ((!nvgre_spec && nvgre_mask) || 584 (nvgre_spec && !nvgre_mask)) { 585 rte_flow_error_set(error, 586 EINVAL, 587 RTE_FLOW_ERROR_TYPE_ITEM, 588 item, 589 "Invalid NVGRE item"); 590 return -rte_errno; 591 } 592 593 if (!nvgre_spec && !nvgre_mask) { 594 filter->tunnel_type = 595 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE; 596 break; 597 } 598 599 if (nvgre_spec->c_k_s_rsvd0_ver != 0x2000 || 600 nvgre_spec->protocol != 0x6558) { 601 rte_flow_error_set(error, 602 EINVAL, 603 RTE_FLOW_ERROR_TYPE_ITEM, 604 item, 605 "Invalid NVGRE item"); 606 return -rte_errno; 607 } 608 609 if (nvgre_spec && nvgre_mask) { 610 tni_masked = 611 !!memcmp(nvgre_mask->tni, tni_mask, 612 RTE_DIM(tni_mask)); 613 if (tni_masked) { 614 rte_flow_error_set 615 (error, 616 EINVAL, 617 RTE_FLOW_ERROR_TYPE_ITEM, 618 item, 619 "Invalid TNI mask"); 620 return -rte_errno; 621 } 622 rte_memcpy(((uint8_t *)&tenant_id_be + 1), 623 nvgre_spec->tni, 3); 624 filter->vni = 625 rte_be_to_cpu_32(tenant_id_be); 626 filter->tunnel_type = 627 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE; 628 } 629 break; 630 631 case RTE_FLOW_ITEM_TYPE_GRE: 632 gre_spec = (const struct rte_flow_item_gre *)item->spec; 633 gre_mask = (const struct rte_flow_item_gre *)item->mask; 634 635 /* 636 *Check if GRE item is used to describe protocol. 637 * If yes, both spec and mask should be NULL. 638 * If no, both spec and mask shouldn't be NULL. 639 */ 640 if (!!gre_spec ^ !!gre_mask) { 641 rte_flow_error_set(error, EINVAL, 642 RTE_FLOW_ERROR_TYPE_ITEM, 643 item, 644 "Invalid GRE item"); 645 return -rte_errno; 646 } 647 648 if (!gre_spec && !gre_mask) { 649 filter->tunnel_type = 650 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE; 651 break; 652 } 653 break; 654 655 case RTE_FLOW_ITEM_TYPE_VF: 656 vf_spec = item->spec; 657 vf = vf_spec->id; 658 if (!BNXT_PF(bp)) { 659 rte_flow_error_set(error, 660 EINVAL, 661 RTE_FLOW_ERROR_TYPE_ITEM, 662 item, 663 "Configuring on a VF!"); 664 return -rte_errno; 665 } 666 667 if (vf >= bp->pdev->max_vfs) { 668 rte_flow_error_set(error, 669 EINVAL, 670 RTE_FLOW_ERROR_TYPE_ITEM, 671 item, 672 "Incorrect VF id!"); 673 return -rte_errno; 674 } 675 676 if (!attr->transfer) { 677 rte_flow_error_set(error, 678 ENOTSUP, 679 RTE_FLOW_ERROR_TYPE_ITEM, 680 item, 681 "Matching VF traffic without" 682 " affecting it (transfer attribute)" 683 " is unsupported"); 684 return -rte_errno; 685 } 686 687 filter->mirror_vnic_id = 688 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf); 689 if (dflt_vnic < 0) { 690 /* This simply indicates there's no driver 691 * loaded. This is not an error. 692 */ 693 rte_flow_error_set 694 (error, 695 EINVAL, 696 RTE_FLOW_ERROR_TYPE_ITEM, 697 item, 698 "Unable to get default VNIC for VF"); 699 return -rte_errno; 700 } 701 702 filter->mirror_vnic_id = dflt_vnic; 703 en |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID; 704 break; 705 default: 706 break; 707 } 708 item++; 709 } 710 filter->enables = en; 711 filter->valid_flags = valid_flags; 712 713 return 0; 714 } 715 716 /* Parse attributes */ 717 static int 718 bnxt_flow_parse_attr(const struct rte_flow_attr *attr, 719 struct rte_flow_error *error) 720 { 721 /* Must be input direction */ 722 if (!attr->ingress) { 723 rte_flow_error_set(error, 724 EINVAL, 725 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, 726 attr, 727 "Only support ingress."); 728 return -rte_errno; 729 } 730 731 /* Not supported */ 732 if (attr->egress) { 733 rte_flow_error_set(error, 734 EINVAL, 735 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, 736 attr, 737 "No support for egress."); 738 return -rte_errno; 739 } 740 741 return 0; 742 } 743 744 static struct bnxt_filter_info * 745 bnxt_find_matching_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf) 746 { 747 struct bnxt_filter_info *mf, *f0; 748 struct bnxt_vnic_info *vnic0; 749 int i; 750 751 vnic0 = BNXT_GET_DEFAULT_VNIC(bp); 752 f0 = STAILQ_FIRST(&vnic0->filter); 753 754 /* This flow has same DST MAC as the port/l2 filter. */ 755 if (memcmp(f0->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN) == 0) 756 return f0; 757 758 for (i = bp->max_vnics - 1; i >= 0; i--) { 759 struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; 760 761 if (vnic->fw_vnic_id == INVALID_VNIC_ID) 762 continue; 763 764 STAILQ_FOREACH(mf, &vnic->filter, next) { 765 766 if (mf->matching_l2_fltr_ptr) 767 continue; 768 769 if (mf->ethertype == nf->ethertype && 770 mf->l2_ovlan == nf->l2_ovlan && 771 mf->l2_ovlan_mask == nf->l2_ovlan_mask && 772 mf->l2_ivlan == nf->l2_ivlan && 773 mf->l2_ivlan_mask == nf->l2_ivlan_mask && 774 !memcmp(mf->src_macaddr, nf->src_macaddr, 775 RTE_ETHER_ADDR_LEN) && 776 !memcmp(mf->dst_macaddr, nf->dst_macaddr, 777 RTE_ETHER_ADDR_LEN)) 778 return mf; 779 } 780 } 781 return NULL; 782 } 783 784 static struct bnxt_filter_info * 785 bnxt_create_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf, 786 struct bnxt_vnic_info *vnic) 787 { 788 struct bnxt_filter_info *filter1; 789 int rc; 790 791 /* Alloc new L2 filter. 792 * This flow needs MAC filter which does not match any existing 793 * L2 filters. 794 */ 795 filter1 = bnxt_get_unused_filter(bp); 796 if (filter1 == NULL) 797 return NULL; 798 799 memcpy(filter1, nf, sizeof(*filter1)); 800 801 filter1->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_XDP_DISABLE; 802 filter1->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX; 803 if (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG || 804 nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG) { 805 filter1->flags |= 806 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST; 807 PMD_DRV_LOG(DEBUG, "Create Outer filter\n"); 808 } 809 810 if (nf->filter_type == HWRM_CFA_L2_FILTER && 811 (nf->valid_flags & BNXT_FLOW_L2_SRC_VALID_FLAG || 812 nf->valid_flags & BNXT_FLOW_L2_INNER_SRC_VALID_FLAG)) { 813 PMD_DRV_LOG(DEBUG, "Create L2 filter for SRC MAC\n"); 814 filter1->flags |= 815 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_SOURCE_VALID; 816 memcpy(filter1->l2_addr, nf->src_macaddr, RTE_ETHER_ADDR_LEN); 817 } else { 818 PMD_DRV_LOG(DEBUG, "Create L2 filter for DST MAC\n"); 819 memcpy(filter1->l2_addr, nf->dst_macaddr, RTE_ETHER_ADDR_LEN); 820 } 821 822 if (nf->priority && 823 (nf->valid_flags & BNXT_FLOW_L2_DST_VALID_FLAG || 824 nf->valid_flags & BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) { 825 /* Tell the FW where to place the filter in the table. */ 826 if (nf->priority > 65535) { 827 filter1->pri_hint = 828 HWRM_CFA_L2_FILTER_ALLOC_INPUT_PRI_HINT_BELOW_FILTER; 829 /* This will place the filter in TCAM */ 830 filter1->l2_filter_id_hint = (uint64_t)-1; 831 } 832 } 833 834 if (nf->valid_flags & (BNXT_FLOW_L2_DST_VALID_FLAG | 835 BNXT_FLOW_L2_SRC_VALID_FLAG | 836 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG | 837 BNXT_FLOW_L2_INNER_DST_VALID_FLAG)) { 838 filter1->enables = 839 HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR | 840 L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK; 841 memset(filter1->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN); 842 } 843 844 if (nf->valid_flags & BNXT_FLOW_L2_DROP_FLAG) { 845 filter1->flags |= 846 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_DROP; 847 if (nf->ethertype == RTE_ETHER_TYPE_IPV4) { 848 /* Num VLANs for drop filter will/should be 0. 849 * If the req is memset to 0, then the count will 850 * be automatically set to 0. 851 */ 852 if (nf->valid_flags & BNXT_FLOW_PARSE_INNER_FLAG) { 853 filter1->enables |= 854 L2_FILTER_ALLOC_INPUT_EN_T_NUM_VLANS; 855 } else { 856 filter1->enables |= 857 L2_FILTER_ALLOC_INPUT_EN_NUM_VLANS; 858 filter1->flags |= 859 HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_OUTERMOST; 860 } 861 } 862 } 863 864 rc = bnxt_hwrm_set_l2_filter(bp, vnic->fw_vnic_id, 865 filter1); 866 if (rc) { 867 bnxt_free_filter(bp, filter1); 868 return NULL; 869 } 870 return filter1; 871 } 872 873 struct bnxt_filter_info * 874 bnxt_get_l2_filter(struct bnxt *bp, struct bnxt_filter_info *nf, 875 struct bnxt_vnic_info *vnic) 876 { 877 struct bnxt_filter_info *l2_filter = NULL; 878 879 l2_filter = bnxt_find_matching_l2_filter(bp, nf); 880 if (l2_filter) { 881 l2_filter->l2_ref_cnt++; 882 } else { 883 l2_filter = bnxt_create_l2_filter(bp, nf, vnic); 884 if (l2_filter) { 885 STAILQ_INSERT_TAIL(&vnic->filter, l2_filter, next); 886 l2_filter->vnic = vnic; 887 } 888 } 889 nf->matching_l2_fltr_ptr = l2_filter; 890 891 return l2_filter; 892 } 893 894 static int bnxt_vnic_prep(struct bnxt *bp, struct bnxt_vnic_info *vnic) 895 { 896 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; 897 uint64_t rx_offloads = dev_conf->rxmode.offloads; 898 int rc; 899 900 rc = bnxt_vnic_grp_alloc(bp, vnic); 901 if (rc) 902 goto ret; 903 904 rc = bnxt_hwrm_vnic_alloc(bp, vnic); 905 if (rc) { 906 PMD_DRV_LOG(ERR, "HWRM vnic alloc failure rc: %x\n", rc); 907 goto ret; 908 } 909 bp->nr_vnics++; 910 911 /* RSS context is required only when there is more than one RSS ring */ 912 if (vnic->rx_queue_cnt > 1) { 913 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, 0 /* ctx_idx 0 */); 914 if (rc) { 915 PMD_DRV_LOG(ERR, 916 "HWRM vnic ctx alloc failure: %x\n", rc); 917 goto ret; 918 } 919 } else { 920 PMD_DRV_LOG(DEBUG, "No RSS context required\n"); 921 } 922 923 if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) 924 vnic->vlan_strip = true; 925 else 926 vnic->vlan_strip = false; 927 928 rc = bnxt_hwrm_vnic_cfg(bp, vnic); 929 if (rc) 930 goto ret; 931 932 bnxt_hwrm_vnic_plcmode_cfg(bp, vnic); 933 934 ret: 935 return rc; 936 } 937 938 static int match_vnic_rss_cfg(struct bnxt *bp, 939 struct bnxt_vnic_info *vnic, 940 const struct rte_flow_action_rss *rss) 941 { 942 unsigned int match = 0, i; 943 944 if (vnic->rx_queue_cnt != rss->queue_num) 945 return -EINVAL; 946 947 for (i = 0; i < rss->queue_num; i++) { 948 if (!bp->rx_queues[rss->queue[i]]->vnic->rx_queue_cnt && 949 !bp->rx_queues[rss->queue[i]]->rx_started) 950 return -EINVAL; 951 } 952 953 for (i = 0; i < vnic->rx_queue_cnt; i++) { 954 int j; 955 956 for (j = 0; j < vnic->rx_queue_cnt; j++) { 957 if (bp->grp_info[rss->queue[i]].fw_grp_id == 958 vnic->fw_grp_ids[j]) 959 match++; 960 } 961 } 962 963 if (match != vnic->rx_queue_cnt) { 964 PMD_DRV_LOG(ERR, 965 "VNIC queue count %d vs queues matched %d\n", 966 match, vnic->rx_queue_cnt); 967 return -EINVAL; 968 } 969 970 return 0; 971 } 972 973 static void 974 bnxt_update_filter_flags_en(struct bnxt_filter_info *filter, 975 struct bnxt_filter_info *filter1, 976 int use_ntuple) 977 { 978 if (!use_ntuple && 979 !(filter->valid_flags & 980 ~(BNXT_FLOW_L2_DST_VALID_FLAG | 981 BNXT_FLOW_L2_SRC_VALID_FLAG | 982 BNXT_FLOW_L2_INNER_SRC_VALID_FLAG | 983 BNXT_FLOW_L2_INNER_DST_VALID_FLAG | 984 BNXT_FLOW_L2_DROP_FLAG | 985 BNXT_FLOW_PARSE_INNER_FLAG))) { 986 filter->flags = filter1->flags; 987 filter->enables = filter1->enables; 988 filter->filter_type = HWRM_CFA_L2_FILTER; 989 memcpy(filter->l2_addr, filter1->l2_addr, RTE_ETHER_ADDR_LEN); 990 memset(filter->l2_addr_mask, 0xff, RTE_ETHER_ADDR_LEN); 991 filter->pri_hint = filter1->pri_hint; 992 filter->l2_filter_id_hint = filter1->l2_filter_id_hint; 993 } 994 filter->fw_l2_filter_id = filter1->fw_l2_filter_id; 995 filter->l2_ref_cnt = filter1->l2_ref_cnt; 996 filter->flow_id = filter1->flow_id; 997 PMD_DRV_LOG(DEBUG, 998 "l2_filter: %p fw_l2_filter_id %" PRIx64 " l2_ref_cnt %u\n", 999 filter1, filter->fw_l2_filter_id, filter->l2_ref_cnt); 1000 } 1001 1002 static int 1003 bnxt_validate_and_parse_flow(struct rte_eth_dev *dev, 1004 const struct rte_flow_item pattern[], 1005 const struct rte_flow_action actions[], 1006 const struct rte_flow_attr *attr, 1007 struct rte_flow_error *error, 1008 struct bnxt_filter_info *filter) 1009 { 1010 const struct rte_flow_action *act = 1011 bnxt_flow_non_void_action(actions); 1012 struct bnxt *bp = dev->data->dev_private; 1013 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; 1014 struct bnxt_vnic_info *vnic = NULL, *vnic0 = NULL; 1015 const struct rte_flow_action_queue *act_q; 1016 const struct rte_flow_action_vf *act_vf; 1017 struct bnxt_filter_info *filter1 = NULL; 1018 const struct rte_flow_action_rss *rss; 1019 struct bnxt_rx_queue *rxq = NULL; 1020 int dflt_vnic, vnic_id; 1021 unsigned int rss_idx; 1022 uint32_t vf = 0, i; 1023 int rc, use_ntuple; 1024 1025 rc = 1026 bnxt_validate_and_parse_flow_type(bp, attr, pattern, error, filter); 1027 if (rc != 0) 1028 goto ret; 1029 1030 rc = bnxt_flow_parse_attr(attr, error); 1031 if (rc != 0) 1032 goto ret; 1033 1034 /* Since we support ingress attribute only - right now. */ 1035 if (filter->filter_type == HWRM_CFA_EM_FILTER) 1036 filter->flags = HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_PATH_RX; 1037 1038 use_ntuple = bnxt_filter_type_check(pattern, error); 1039 1040 start: 1041 switch (act->type) { 1042 case RTE_FLOW_ACTION_TYPE_QUEUE: 1043 /* Allow this flow. Redirect to a VNIC. */ 1044 act_q = (const struct rte_flow_action_queue *)act->conf; 1045 if (!act_q->index || act_q->index >= bp->rx_nr_rings) { 1046 rte_flow_error_set(error, 1047 EINVAL, 1048 RTE_FLOW_ERROR_TYPE_ACTION, 1049 act, 1050 "Invalid queue ID."); 1051 rc = -rte_errno; 1052 goto ret; 1053 } 1054 PMD_DRV_LOG(DEBUG, "Queue index %d\n", act_q->index); 1055 1056 vnic_id = attr->group; 1057 if (!vnic_id) { 1058 PMD_DRV_LOG(DEBUG, "Group id is 0\n"); 1059 vnic_id = act_q->index; 1060 } 1061 1062 BNXT_VALID_VNIC_OR_RET(bp, vnic_id); 1063 1064 vnic = &bp->vnic_info[vnic_id]; 1065 if (vnic->rx_queue_cnt) { 1066 if (vnic->start_grp_id != act_q->index) { 1067 PMD_DRV_LOG(ERR, 1068 "VNIC already in use\n"); 1069 rte_flow_error_set(error, 1070 EINVAL, 1071 RTE_FLOW_ERROR_TYPE_ACTION, 1072 act, 1073 "VNIC already in use"); 1074 rc = -rte_errno; 1075 goto ret; 1076 } 1077 goto use_vnic; 1078 } 1079 1080 rxq = bp->rx_queues[act_q->index]; 1081 1082 if (!(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) && rxq && 1083 vnic->fw_vnic_id != INVALID_HW_RING_ID) 1084 goto use_vnic; 1085 1086 if (!rxq) { 1087 PMD_DRV_LOG(ERR, 1088 "Queue invalid or used with other VNIC\n"); 1089 rte_flow_error_set(error, 1090 EINVAL, 1091 RTE_FLOW_ERROR_TYPE_ACTION, 1092 act, 1093 "Queue invalid queue or in use"); 1094 rc = -rte_errno; 1095 goto ret; 1096 } 1097 1098 rxq->vnic = vnic; 1099 rxq->rx_started = 1; 1100 vnic->rx_queue_cnt++; 1101 vnic->start_grp_id = act_q->index; 1102 vnic->end_grp_id = act_q->index; 1103 vnic->func_default = 0; //This is not a default VNIC. 1104 1105 PMD_DRV_LOG(DEBUG, "VNIC found\n"); 1106 1107 rc = bnxt_vnic_prep(bp, vnic); 1108 if (rc) { 1109 rte_flow_error_set(error, 1110 EINVAL, 1111 RTE_FLOW_ERROR_TYPE_ACTION, 1112 act, 1113 "VNIC prep fail"); 1114 rc = -rte_errno; 1115 goto ret; 1116 } 1117 1118 PMD_DRV_LOG(DEBUG, 1119 "vnic[%d] = %p vnic->fw_grp_ids = %p\n", 1120 act_q->index, vnic, vnic->fw_grp_ids); 1121 1122 use_vnic: 1123 vnic->ff_pool_idx = vnic_id; 1124 PMD_DRV_LOG(DEBUG, 1125 "Setting vnic ff_idx %d\n", vnic->ff_pool_idx); 1126 filter->dst_id = vnic->fw_vnic_id; 1127 1128 /* For ntuple filter, create the L2 filter with default VNIC. 1129 * The user specified redirect queue will be set while creating 1130 * the ntuple filter in hardware. 1131 */ 1132 vnic0 = BNXT_GET_DEFAULT_VNIC(bp); 1133 if (use_ntuple) 1134 filter1 = bnxt_get_l2_filter(bp, filter, vnic0); 1135 else 1136 filter1 = bnxt_get_l2_filter(bp, filter, vnic); 1137 if (filter1 == NULL) { 1138 rte_flow_error_set(error, 1139 ENOSPC, 1140 RTE_FLOW_ERROR_TYPE_ACTION, 1141 act, 1142 "Filter not available"); 1143 rc = -rte_errno; 1144 goto ret; 1145 } 1146 1147 PMD_DRV_LOG(DEBUG, "new fltr: %p l2fltr: %p l2_ref_cnt: %d\n", 1148 filter, filter1, filter1->l2_ref_cnt); 1149 bnxt_update_filter_flags_en(filter, filter1, use_ntuple); 1150 break; 1151 case RTE_FLOW_ACTION_TYPE_DROP: 1152 vnic0 = &bp->vnic_info[0]; 1153 filter->dst_id = vnic0->fw_vnic_id; 1154 filter->valid_flags |= BNXT_FLOW_L2_DROP_FLAG; 1155 filter1 = bnxt_get_l2_filter(bp, filter, vnic0); 1156 if (filter1 == NULL) { 1157 rte_flow_error_set(error, 1158 ENOSPC, 1159 RTE_FLOW_ERROR_TYPE_ACTION, 1160 act, 1161 "Filter not available"); 1162 rc = -rte_errno; 1163 goto ret; 1164 } 1165 1166 if (filter->filter_type == HWRM_CFA_EM_FILTER) 1167 filter->flags = 1168 HWRM_CFA_EM_FLOW_ALLOC_INPUT_FLAGS_DROP; 1169 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) 1170 filter->flags = 1171 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_DROP; 1172 1173 bnxt_update_filter_flags_en(filter, filter1, use_ntuple); 1174 break; 1175 case RTE_FLOW_ACTION_TYPE_COUNT: 1176 vnic0 = &bp->vnic_info[0]; 1177 filter1 = bnxt_get_l2_filter(bp, filter, vnic0); 1178 if (filter1 == NULL) { 1179 rte_flow_error_set(error, 1180 ENOSPC, 1181 RTE_FLOW_ERROR_TYPE_ACTION, 1182 act, 1183 "New filter not available"); 1184 rc = -rte_errno; 1185 goto ret; 1186 } 1187 1188 filter->fw_l2_filter_id = filter1->fw_l2_filter_id; 1189 filter->flow_id = filter1->flow_id; 1190 filter->flags = HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_FLAGS_METER; 1191 break; 1192 case RTE_FLOW_ACTION_TYPE_VF: 1193 act_vf = (const struct rte_flow_action_vf *)act->conf; 1194 vf = act_vf->id; 1195 1196 if (filter->tunnel_type == 1197 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN || 1198 filter->tunnel_type == 1199 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE) { 1200 /* If issued on a VF, ensure id is 0 and is trusted */ 1201 if (BNXT_VF(bp)) { 1202 if (!BNXT_VF_IS_TRUSTED(bp) || vf) { 1203 rte_flow_error_set(error, EINVAL, 1204 RTE_FLOW_ERROR_TYPE_ACTION, 1205 act, 1206 "Incorrect VF"); 1207 rc = -rte_errno; 1208 goto ret; 1209 } 1210 } 1211 1212 filter->enables |= filter->tunnel_type; 1213 filter->filter_type = HWRM_CFA_TUNNEL_REDIRECT_FILTER; 1214 goto done; 1215 } 1216 1217 if (vf >= bp->pdev->max_vfs) { 1218 rte_flow_error_set(error, 1219 EINVAL, 1220 RTE_FLOW_ERROR_TYPE_ACTION, 1221 act, 1222 "Incorrect VF id!"); 1223 rc = -rte_errno; 1224 goto ret; 1225 } 1226 1227 filter->mirror_vnic_id = 1228 dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf); 1229 if (dflt_vnic < 0) { 1230 /* This simply indicates there's no driver loaded. 1231 * This is not an error. 1232 */ 1233 rte_flow_error_set(error, 1234 EINVAL, 1235 RTE_FLOW_ERROR_TYPE_ACTION, 1236 act, 1237 "Unable to get default VNIC for VF"); 1238 rc = -rte_errno; 1239 goto ret; 1240 } 1241 1242 filter->mirror_vnic_id = dflt_vnic; 1243 filter->enables |= NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID; 1244 1245 vnic0 = &bp->vnic_info[0]; 1246 filter1 = bnxt_get_l2_filter(bp, filter, vnic0); 1247 if (filter1 == NULL) { 1248 rte_flow_error_set(error, 1249 ENOSPC, 1250 RTE_FLOW_ERROR_TYPE_ACTION, 1251 act, 1252 "New filter not available"); 1253 rc = -rte_errno; 1254 goto ret; 1255 } 1256 1257 filter->fw_l2_filter_id = filter1->fw_l2_filter_id; 1258 filter->flow_id = filter1->flow_id; 1259 break; 1260 case RTE_FLOW_ACTION_TYPE_RSS: 1261 rss = (const struct rte_flow_action_rss *)act->conf; 1262 1263 vnic_id = attr->group; 1264 1265 BNXT_VALID_VNIC_OR_RET(bp, vnic_id); 1266 vnic = &bp->vnic_info[vnic_id]; 1267 1268 /* Check if requested RSS config matches RSS config of VNIC 1269 * only if it is not a fresh VNIC configuration. 1270 * Otherwise the existing VNIC configuration can be used. 1271 */ 1272 if (vnic->rx_queue_cnt) { 1273 rc = match_vnic_rss_cfg(bp, vnic, rss); 1274 if (rc) { 1275 PMD_DRV_LOG(ERR, 1276 "VNIC and RSS config mismatch\n"); 1277 rte_flow_error_set(error, 1278 EINVAL, 1279 RTE_FLOW_ERROR_TYPE_ACTION, 1280 act, 1281 "VNIC and RSS cfg mismatch"); 1282 rc = -rte_errno; 1283 goto ret; 1284 } 1285 goto vnic_found; 1286 } 1287 1288 for (i = 0; i < rss->queue_num; i++) { 1289 PMD_DRV_LOG(DEBUG, "RSS action Queue %d\n", 1290 rss->queue[i]); 1291 1292 if (!rss->queue[i] || 1293 rss->queue[i] >= bp->rx_nr_rings || 1294 !bp->rx_queues[rss->queue[i]]) { 1295 rte_flow_error_set(error, 1296 EINVAL, 1297 RTE_FLOW_ERROR_TYPE_ACTION, 1298 act, 1299 "Invalid queue ID for RSS"); 1300 rc = -rte_errno; 1301 goto ret; 1302 } 1303 rxq = bp->rx_queues[rss->queue[i]]; 1304 1305 if (bp->vnic_info[0].fw_grp_ids[rss->queue[i]] != 1306 INVALID_HW_RING_ID) { 1307 PMD_DRV_LOG(ERR, 1308 "queue active with other VNIC\n"); 1309 rte_flow_error_set(error, 1310 EINVAL, 1311 RTE_FLOW_ERROR_TYPE_ACTION, 1312 act, 1313 "Invalid queue ID for RSS"); 1314 rc = -rte_errno; 1315 goto ret; 1316 } 1317 1318 rxq->vnic = vnic; 1319 rxq->rx_started = 1; 1320 vnic->rx_queue_cnt++; 1321 } 1322 1323 vnic->start_grp_id = rss->queue[0]; 1324 vnic->end_grp_id = rss->queue[rss->queue_num - 1]; 1325 vnic->func_default = 0; //This is not a default VNIC. 1326 1327 rc = bnxt_vnic_prep(bp, vnic); 1328 if (rc) { 1329 rte_flow_error_set(error, 1330 EINVAL, 1331 RTE_FLOW_ERROR_TYPE_ACTION, 1332 act, 1333 "VNIC prep fail"); 1334 rc = -rte_errno; 1335 goto ret; 1336 } 1337 1338 PMD_DRV_LOG(DEBUG, 1339 "vnic[%d] = %p vnic->fw_grp_ids = %p\n", 1340 vnic_id, vnic, vnic->fw_grp_ids); 1341 1342 vnic->ff_pool_idx = vnic_id; 1343 PMD_DRV_LOG(DEBUG, 1344 "Setting vnic ff_pool_idx %d\n", vnic->ff_pool_idx); 1345 1346 /* This can be done only after vnic_grp_alloc is done. */ 1347 for (i = 0; i < vnic->rx_queue_cnt; i++) { 1348 vnic->fw_grp_ids[i] = 1349 bp->grp_info[rss->queue[i]].fw_grp_id; 1350 /* Make sure vnic0 does not use these rings. */ 1351 bp->vnic_info[0].fw_grp_ids[rss->queue[i]] = 1352 INVALID_HW_RING_ID; 1353 } 1354 1355 for (rss_idx = 0; rss_idx < HW_HASH_INDEX_SIZE; ) { 1356 for (i = 0; i < vnic->rx_queue_cnt; i++) 1357 vnic->rss_table[rss_idx++] = 1358 vnic->fw_grp_ids[i]; 1359 } 1360 1361 /* Configure RSS only if the queue count is > 1 */ 1362 if (vnic->rx_queue_cnt > 1) { 1363 vnic->hash_type = 1364 bnxt_rte_to_hwrm_hash_types(rss->types); 1365 1366 if (!rss->key_len) { 1367 /* If hash key has not been specified, 1368 * use random hash key. 1369 */ 1370 prandom_bytes(vnic->rss_hash_key, 1371 HW_HASH_KEY_SIZE); 1372 } else { 1373 if (rss->key_len > HW_HASH_KEY_SIZE) 1374 memcpy(vnic->rss_hash_key, 1375 rss->key, 1376 HW_HASH_KEY_SIZE); 1377 else 1378 memcpy(vnic->rss_hash_key, 1379 rss->key, 1380 rss->key_len); 1381 } 1382 bnxt_hwrm_vnic_rss_cfg(bp, vnic); 1383 } else { 1384 PMD_DRV_LOG(DEBUG, "No RSS config required\n"); 1385 } 1386 1387 vnic_found: 1388 filter->dst_id = vnic->fw_vnic_id; 1389 filter1 = bnxt_get_l2_filter(bp, filter, vnic); 1390 if (filter1 == NULL) { 1391 rte_flow_error_set(error, 1392 ENOSPC, 1393 RTE_FLOW_ERROR_TYPE_ACTION, 1394 act, 1395 "New filter not available"); 1396 rc = -rte_errno; 1397 goto ret; 1398 } 1399 1400 PMD_DRV_LOG(DEBUG, "L2 filter created\n"); 1401 bnxt_update_filter_flags_en(filter, filter1, use_ntuple); 1402 break; 1403 case RTE_FLOW_ACTION_TYPE_MARK: 1404 if (bp->flags & BNXT_FLAG_RX_VECTOR_PKT_MODE) { 1405 PMD_DRV_LOG(DEBUG, 1406 "Disable vector processing for mark\n"); 1407 rte_flow_error_set(error, 1408 ENOTSUP, 1409 RTE_FLOW_ERROR_TYPE_ACTION, 1410 act, 1411 "Disable vector processing for mark"); 1412 rc = -rte_errno; 1413 goto ret; 1414 } 1415 1416 if (bp->mark_table == NULL) { 1417 rte_flow_error_set(error, 1418 ENOMEM, 1419 RTE_FLOW_ERROR_TYPE_ACTION, 1420 act, 1421 "Mark table not allocated."); 1422 rc = -rte_errno; 1423 goto ret; 1424 } 1425 1426 filter->valid_flags |= BNXT_FLOW_MARK_FLAG; 1427 filter->mark = ((const struct rte_flow_action_mark *) 1428 act->conf)->id; 1429 PMD_DRV_LOG(DEBUG, "Mark the flow %d\n", filter->mark); 1430 break; 1431 default: 1432 rte_flow_error_set(error, 1433 EINVAL, 1434 RTE_FLOW_ERROR_TYPE_ACTION, 1435 act, 1436 "Invalid action."); 1437 rc = -rte_errno; 1438 goto ret; 1439 } 1440 1441 done: 1442 act = bnxt_flow_non_void_action(++act); 1443 while (act->type != RTE_FLOW_ACTION_TYPE_END) 1444 goto start; 1445 1446 return rc; 1447 ret: 1448 1449 if (filter1) { 1450 bnxt_hwrm_clear_l2_filter(bp, filter1); 1451 bnxt_free_filter(bp, filter1); 1452 } 1453 1454 if (rte_errno) { 1455 if (vnic && STAILQ_EMPTY(&vnic->filter)) 1456 vnic->rx_queue_cnt = 0; 1457 1458 if (rxq && !vnic->rx_queue_cnt) 1459 rxq->vnic = &bp->vnic_info[0]; 1460 } 1461 return -rte_errno; 1462 } 1463 1464 static 1465 struct bnxt_vnic_info *find_matching_vnic(struct bnxt *bp, 1466 struct bnxt_filter_info *filter) 1467 { 1468 struct bnxt_vnic_info *vnic = NULL; 1469 unsigned int i; 1470 1471 for (i = 0; i < bp->max_vnics; i++) { 1472 vnic = &bp->vnic_info[i]; 1473 if (vnic->fw_vnic_id != INVALID_VNIC_ID && 1474 filter->dst_id == vnic->fw_vnic_id) { 1475 PMD_DRV_LOG(DEBUG, "Found matching VNIC Id %d\n", 1476 vnic->ff_pool_idx); 1477 return vnic; 1478 } 1479 } 1480 return NULL; 1481 } 1482 1483 static int 1484 bnxt_flow_validate(struct rte_eth_dev *dev, 1485 const struct rte_flow_attr *attr, 1486 const struct rte_flow_item pattern[], 1487 const struct rte_flow_action actions[], 1488 struct rte_flow_error *error) 1489 { 1490 struct bnxt *bp = dev->data->dev_private; 1491 struct bnxt_vnic_info *vnic = NULL; 1492 struct bnxt_filter_info *filter; 1493 int ret = 0; 1494 1495 bnxt_acquire_flow_lock(bp); 1496 ret = bnxt_flow_args_validate(attr, pattern, actions, error); 1497 if (ret != 0) { 1498 bnxt_release_flow_lock(bp); 1499 return ret; 1500 } 1501 1502 filter = bnxt_get_unused_filter(bp); 1503 if (filter == NULL) { 1504 PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n"); 1505 bnxt_release_flow_lock(bp); 1506 return -ENOMEM; 1507 } 1508 1509 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr, 1510 error, filter); 1511 if (ret) 1512 goto exit; 1513 1514 vnic = find_matching_vnic(bp, filter); 1515 if (vnic) { 1516 if (STAILQ_EMPTY(&vnic->filter)) { 1517 rte_free(vnic->fw_grp_ids); 1518 bnxt_hwrm_vnic_ctx_free(bp, vnic); 1519 bnxt_hwrm_vnic_free(bp, vnic); 1520 vnic->rx_queue_cnt = 0; 1521 PMD_DRV_LOG(DEBUG, "Free VNIC\n"); 1522 } 1523 } 1524 1525 if (filter->filter_type == HWRM_CFA_EM_FILTER) 1526 bnxt_hwrm_clear_em_filter(bp, filter); 1527 else if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) 1528 bnxt_hwrm_clear_ntuple_filter(bp, filter); 1529 else 1530 bnxt_hwrm_clear_l2_filter(bp, filter); 1531 1532 exit: 1533 /* No need to hold on to this filter if we are just validating flow */ 1534 bnxt_free_filter(bp, filter); 1535 bnxt_release_flow_lock(bp); 1536 1537 return ret; 1538 } 1539 1540 static void 1541 bnxt_update_filter(struct bnxt *bp, struct bnxt_filter_info *old_filter, 1542 struct bnxt_filter_info *new_filter) 1543 { 1544 /* Clear the new L2 filter that was created in the previous step in 1545 * bnxt_validate_and_parse_flow. For L2 filters, we will use the new 1546 * filter which points to the new destination queue and so we clear 1547 * the previous L2 filter. For ntuple filters, we are going to reuse 1548 * the old L2 filter and create new NTUPLE filter with this new 1549 * destination queue subsequently during bnxt_flow_create. So we 1550 * decrement the ref cnt of the L2 filter that would've been bumped 1551 * up previously in bnxt_validate_and_parse_flow as the old n-tuple 1552 * filter that was referencing it will be deleted now. 1553 */ 1554 bnxt_hwrm_clear_l2_filter(bp, old_filter); 1555 if (new_filter->filter_type == HWRM_CFA_L2_FILTER) { 1556 bnxt_hwrm_set_l2_filter(bp, new_filter->dst_id, new_filter); 1557 } else { 1558 if (new_filter->filter_type == HWRM_CFA_EM_FILTER) 1559 bnxt_hwrm_clear_em_filter(bp, old_filter); 1560 if (new_filter->filter_type == HWRM_CFA_NTUPLE_FILTER) 1561 bnxt_hwrm_clear_ntuple_filter(bp, old_filter); 1562 } 1563 } 1564 1565 static int 1566 bnxt_match_filter(struct bnxt *bp, struct bnxt_filter_info *nf) 1567 { 1568 struct bnxt_filter_info *mf; 1569 struct rte_flow *flow; 1570 int i; 1571 1572 for (i = bp->max_vnics - 1; i >= 0; i--) { 1573 struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; 1574 1575 if (vnic->fw_vnic_id == INVALID_VNIC_ID) 1576 continue; 1577 1578 STAILQ_FOREACH(flow, &vnic->flow_list, next) { 1579 mf = flow->filter; 1580 1581 if (mf->filter_type == nf->filter_type && 1582 mf->flags == nf->flags && 1583 mf->src_port == nf->src_port && 1584 mf->src_port_mask == nf->src_port_mask && 1585 mf->dst_port == nf->dst_port && 1586 mf->dst_port_mask == nf->dst_port_mask && 1587 mf->ip_protocol == nf->ip_protocol && 1588 mf->ip_addr_type == nf->ip_addr_type && 1589 mf->ethertype == nf->ethertype && 1590 mf->vni == nf->vni && 1591 mf->tunnel_type == nf->tunnel_type && 1592 mf->l2_ovlan == nf->l2_ovlan && 1593 mf->l2_ovlan_mask == nf->l2_ovlan_mask && 1594 mf->l2_ivlan == nf->l2_ivlan && 1595 mf->l2_ivlan_mask == nf->l2_ivlan_mask && 1596 !memcmp(mf->l2_addr, nf->l2_addr, 1597 RTE_ETHER_ADDR_LEN) && 1598 !memcmp(mf->l2_addr_mask, nf->l2_addr_mask, 1599 RTE_ETHER_ADDR_LEN) && 1600 !memcmp(mf->src_macaddr, nf->src_macaddr, 1601 RTE_ETHER_ADDR_LEN) && 1602 !memcmp(mf->dst_macaddr, nf->dst_macaddr, 1603 RTE_ETHER_ADDR_LEN) && 1604 !memcmp(mf->src_ipaddr, nf->src_ipaddr, 1605 sizeof(nf->src_ipaddr)) && 1606 !memcmp(mf->src_ipaddr_mask, nf->src_ipaddr_mask, 1607 sizeof(nf->src_ipaddr_mask)) && 1608 !memcmp(mf->dst_ipaddr, nf->dst_ipaddr, 1609 sizeof(nf->dst_ipaddr)) && 1610 !memcmp(mf->dst_ipaddr_mask, nf->dst_ipaddr_mask, 1611 sizeof(nf->dst_ipaddr_mask))) { 1612 if (mf->dst_id == nf->dst_id) 1613 return -EEXIST; 1614 /* Free the old filter, update flow 1615 * with new filter 1616 */ 1617 bnxt_update_filter(bp, mf, nf); 1618 STAILQ_REMOVE(&vnic->filter, mf, 1619 bnxt_filter_info, next); 1620 STAILQ_INSERT_TAIL(&vnic->filter, nf, next); 1621 bnxt_free_filter(bp, mf); 1622 flow->filter = nf; 1623 return -EXDEV; 1624 } 1625 } 1626 } 1627 return 0; 1628 } 1629 1630 static struct rte_flow * 1631 bnxt_flow_create(struct rte_eth_dev *dev, 1632 const struct rte_flow_attr *attr, 1633 const struct rte_flow_item pattern[], 1634 const struct rte_flow_action actions[], 1635 struct rte_flow_error *error) 1636 { 1637 struct bnxt *bp = dev->data->dev_private; 1638 struct bnxt_vnic_info *vnic = NULL; 1639 struct bnxt_filter_info *filter; 1640 bool update_flow = false; 1641 struct rte_flow *flow; 1642 int ret = 0; 1643 uint32_t tun_type, flow_id; 1644 1645 if (BNXT_VF(bp) && !BNXT_VF_IS_TRUSTED(bp)) { 1646 rte_flow_error_set(error, EINVAL, 1647 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1648 "Failed to create flow, Not a Trusted VF!"); 1649 return NULL; 1650 } 1651 1652 if (!dev->data->dev_started) { 1653 rte_flow_error_set(error, 1654 EINVAL, 1655 RTE_FLOW_ERROR_TYPE_UNSPECIFIED, 1656 NULL, 1657 "Device must be started"); 1658 return NULL; 1659 } 1660 1661 flow = rte_zmalloc("bnxt_flow", sizeof(struct rte_flow), 0); 1662 if (!flow) { 1663 rte_flow_error_set(error, ENOMEM, 1664 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1665 "Failed to allocate memory"); 1666 return flow; 1667 } 1668 1669 bnxt_acquire_flow_lock(bp); 1670 ret = bnxt_flow_args_validate(attr, pattern, actions, error); 1671 if (ret != 0) { 1672 PMD_DRV_LOG(ERR, "Not a validate flow.\n"); 1673 goto free_flow; 1674 } 1675 1676 filter = bnxt_get_unused_filter(bp); 1677 if (filter == NULL) { 1678 rte_flow_error_set(error, ENOSPC, 1679 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1680 "Not enough resources for a new flow"); 1681 goto free_flow; 1682 } 1683 1684 ret = bnxt_validate_and_parse_flow(dev, pattern, actions, attr, 1685 error, filter); 1686 if (ret != 0) 1687 goto free_filter; 1688 1689 ret = bnxt_match_filter(bp, filter); 1690 if (ret == -EEXIST) { 1691 PMD_DRV_LOG(DEBUG, "Flow already exists.\n"); 1692 /* Clear the filter that was created as part of 1693 * validate_and_parse_flow() above 1694 */ 1695 bnxt_hwrm_clear_l2_filter(bp, filter); 1696 goto free_filter; 1697 } else if (ret == -EXDEV) { 1698 PMD_DRV_LOG(DEBUG, "Flow with same pattern exists\n"); 1699 PMD_DRV_LOG(DEBUG, "Updating with different destination\n"); 1700 update_flow = true; 1701 } 1702 1703 /* If tunnel redirection to a VF/PF is specified then only tunnel_type 1704 * is set and enable is set to the tunnel type. Issue hwrm cmd directly 1705 * in such a case. 1706 */ 1707 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER && 1708 filter->enables == filter->tunnel_type) { 1709 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type); 1710 if (ret) { 1711 rte_flow_error_set(error, -ret, 1712 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1713 "Unable to query tunnel to VF"); 1714 goto free_filter; 1715 } 1716 if (tun_type == (1U << filter->tunnel_type)) { 1717 ret = 1718 bnxt_hwrm_tunnel_redirect_free(bp, 1719 filter->tunnel_type); 1720 if (ret) { 1721 PMD_DRV_LOG(ERR, 1722 "Unable to free existing tunnel\n"); 1723 rte_flow_error_set(error, -ret, 1724 RTE_FLOW_ERROR_TYPE_HANDLE, 1725 NULL, 1726 "Unable to free preexisting " 1727 "tunnel on VF"); 1728 goto free_filter; 1729 } 1730 } 1731 ret = bnxt_hwrm_tunnel_redirect(bp, filter->tunnel_type); 1732 if (ret) { 1733 rte_flow_error_set(error, -ret, 1734 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1735 "Unable to redirect tunnel to VF"); 1736 goto free_filter; 1737 } 1738 vnic = &bp->vnic_info[0]; 1739 goto done; 1740 } 1741 1742 if (filter->filter_type == HWRM_CFA_EM_FILTER) { 1743 filter->enables |= 1744 HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_L2_FILTER_ID; 1745 ret = bnxt_hwrm_set_em_filter(bp, filter->dst_id, filter); 1746 } 1747 1748 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) { 1749 filter->enables |= 1750 HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_L2_FILTER_ID; 1751 ret = bnxt_hwrm_set_ntuple_filter(bp, filter->dst_id, filter); 1752 } 1753 1754 vnic = find_matching_vnic(bp, filter); 1755 done: 1756 if (!ret || update_flow) { 1757 flow->filter = filter; 1758 flow->vnic = vnic; 1759 if (update_flow) { 1760 ret = -EXDEV; 1761 goto free_flow; 1762 } 1763 1764 STAILQ_INSERT_TAIL(&vnic->filter, filter, next); 1765 PMD_DRV_LOG(DEBUG, "Successfully created flow.\n"); 1766 STAILQ_INSERT_TAIL(&vnic->flow_list, flow, next); 1767 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) { 1768 PMD_DRV_LOG(DEBUG, 1769 "Mark action: mark id 0x%x, flow id 0x%x\n", 1770 filter->mark, filter->flow_id); 1771 1772 /* TCAM and EM should be 16-bit only. 1773 * Other modes not supported. 1774 */ 1775 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK; 1776 if (bp->mark_table[flow_id].valid) { 1777 PMD_DRV_LOG(ERR, 1778 "Entry for Mark id 0x%x occupied" 1779 " flow id 0x%x\n", 1780 filter->mark, filter->flow_id); 1781 goto free_filter; 1782 } 1783 bp->mark_table[flow_id].valid = true; 1784 bp->mark_table[flow_id].mark_id = filter->mark; 1785 } 1786 bnxt_release_flow_lock(bp); 1787 return flow; 1788 } 1789 1790 free_filter: 1791 bnxt_free_filter(bp, filter); 1792 free_flow: 1793 if (ret == -EEXIST) 1794 rte_flow_error_set(error, ret, 1795 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1796 "Matching Flow exists."); 1797 else if (ret == -EXDEV) 1798 rte_flow_error_set(error, 0, 1799 RTE_FLOW_ERROR_TYPE_NONE, NULL, 1800 "Flow with pattern exists, updating destination queue"); 1801 else if (!rte_errno) 1802 rte_flow_error_set(error, -ret, 1803 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1804 "Failed to create flow."); 1805 rte_free(flow); 1806 flow = NULL; 1807 bnxt_release_flow_lock(bp); 1808 return flow; 1809 } 1810 1811 static int bnxt_handle_tunnel_redirect_destroy(struct bnxt *bp, 1812 struct bnxt_filter_info *filter, 1813 struct rte_flow_error *error) 1814 { 1815 uint16_t tun_dst_fid; 1816 uint32_t tun_type; 1817 int ret = 0; 1818 1819 ret = bnxt_hwrm_tunnel_redirect_query(bp, &tun_type); 1820 if (ret) { 1821 rte_flow_error_set(error, -ret, 1822 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1823 "Unable to query tunnel to VF"); 1824 return ret; 1825 } 1826 if (tun_type == (1U << filter->tunnel_type)) { 1827 ret = bnxt_hwrm_tunnel_redirect_info(bp, filter->tunnel_type, 1828 &tun_dst_fid); 1829 if (ret) { 1830 rte_flow_error_set(error, -ret, 1831 RTE_FLOW_ERROR_TYPE_HANDLE, 1832 NULL, 1833 "tunnel_redirect info cmd fail"); 1834 return ret; 1835 } 1836 PMD_DRV_LOG(INFO, "Pre-existing tunnel fid = %x vf->fid = %x\n", 1837 tun_dst_fid + bp->first_vf_id, bp->fw_fid); 1838 1839 /* Tunnel doesn't belong to this VF, so don't send HWRM 1840 * cmd, just delete the flow from driver 1841 */ 1842 if (bp->fw_fid != (tun_dst_fid + bp->first_vf_id)) 1843 PMD_DRV_LOG(ERR, 1844 "Tunnel does not belong to this VF, skip hwrm_tunnel_redirect_free\n"); 1845 else 1846 ret = bnxt_hwrm_tunnel_redirect_free(bp, 1847 filter->tunnel_type); 1848 } 1849 return ret; 1850 } 1851 1852 static int 1853 _bnxt_flow_destroy(struct bnxt *bp, 1854 struct rte_flow *flow, 1855 struct rte_flow_error *error) 1856 { 1857 struct bnxt_filter_info *filter; 1858 struct bnxt_vnic_info *vnic; 1859 int ret = 0; 1860 uint32_t flow_id; 1861 1862 filter = flow->filter; 1863 vnic = flow->vnic; 1864 1865 if (filter->filter_type == HWRM_CFA_TUNNEL_REDIRECT_FILTER && 1866 filter->enables == filter->tunnel_type) { 1867 ret = bnxt_handle_tunnel_redirect_destroy(bp, filter, error); 1868 if (!ret) 1869 goto done; 1870 else 1871 return ret; 1872 } 1873 1874 ret = bnxt_match_filter(bp, filter); 1875 if (ret == 0) 1876 PMD_DRV_LOG(ERR, "Could not find matching flow\n"); 1877 1878 if (filter->valid_flags & BNXT_FLOW_MARK_FLAG) { 1879 flow_id = filter->flow_id & BNXT_FLOW_ID_MASK; 1880 memset(&bp->mark_table[flow_id], 0, 1881 sizeof(bp->mark_table[flow_id])); 1882 filter->flow_id = 0; 1883 } 1884 1885 if (filter->filter_type == HWRM_CFA_EM_FILTER) 1886 ret = bnxt_hwrm_clear_em_filter(bp, filter); 1887 if (filter->filter_type == HWRM_CFA_NTUPLE_FILTER) 1888 ret = bnxt_hwrm_clear_ntuple_filter(bp, filter); 1889 ret = bnxt_hwrm_clear_l2_filter(bp, filter); 1890 1891 done: 1892 if (!ret) { 1893 /* If it is a L2 drop filter, when the filter is created, 1894 * the FW updates the BC/MC records. 1895 * Once this filter is removed, issue the set_rx_mask command 1896 * to reset the BC/MC records in the HW to the settings 1897 * before the drop counter is created. 1898 */ 1899 if (filter->valid_flags & BNXT_FLOW_L2_DROP_FLAG) 1900 bnxt_set_rx_mask_no_vlan(bp, &bp->vnic_info[0]); 1901 1902 STAILQ_REMOVE(&vnic->filter, filter, bnxt_filter_info, next); 1903 bnxt_free_filter(bp, filter); 1904 STAILQ_REMOVE(&vnic->flow_list, flow, rte_flow, next); 1905 rte_free(flow); 1906 1907 /* If this was the last flow associated with this vnic, 1908 * switch the queue back to RSS pool. 1909 */ 1910 if (vnic && !vnic->func_default && 1911 STAILQ_EMPTY(&vnic->flow_list)) { 1912 rte_free(vnic->fw_grp_ids); 1913 if (vnic->rx_queue_cnt > 1) 1914 bnxt_hwrm_vnic_ctx_free(bp, vnic); 1915 1916 bnxt_hwrm_vnic_free(bp, vnic); 1917 vnic->rx_queue_cnt = 0; 1918 } 1919 } else { 1920 rte_flow_error_set(error, -ret, 1921 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1922 "Failed to destroy flow."); 1923 } 1924 1925 return ret; 1926 } 1927 1928 static int 1929 bnxt_flow_destroy(struct rte_eth_dev *dev, 1930 struct rte_flow *flow, 1931 struct rte_flow_error *error) 1932 { 1933 struct bnxt *bp = dev->data->dev_private; 1934 int ret = 0; 1935 1936 bnxt_acquire_flow_lock(bp); 1937 if (!flow) { 1938 rte_flow_error_set(error, EINVAL, 1939 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1940 "Invalid flow: failed to destroy flow."); 1941 bnxt_release_flow_lock(bp); 1942 return -EINVAL; 1943 } 1944 1945 if (!flow->filter) { 1946 rte_flow_error_set(error, EINVAL, 1947 RTE_FLOW_ERROR_TYPE_HANDLE, NULL, 1948 "Invalid flow: failed to destroy flow."); 1949 bnxt_release_flow_lock(bp); 1950 return -EINVAL; 1951 } 1952 ret = _bnxt_flow_destroy(bp, flow, error); 1953 bnxt_release_flow_lock(bp); 1954 1955 return ret; 1956 } 1957 1958 static int 1959 bnxt_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error) 1960 { 1961 struct bnxt *bp = dev->data->dev_private; 1962 struct bnxt_vnic_info *vnic; 1963 struct rte_flow *flow; 1964 unsigned int i; 1965 int ret = 0; 1966 1967 bnxt_acquire_flow_lock(bp); 1968 for (i = 0; i < bp->max_vnics; i++) { 1969 vnic = &bp->vnic_info[i]; 1970 if (vnic && vnic->fw_vnic_id == INVALID_VNIC_ID) 1971 continue; 1972 1973 while (!STAILQ_EMPTY(&vnic->flow_list)) { 1974 flow = STAILQ_FIRST(&vnic->flow_list); 1975 1976 if (!flow->filter) 1977 continue; 1978 1979 ret = _bnxt_flow_destroy(bp, flow, error); 1980 if (ret) 1981 break; 1982 } 1983 } 1984 bnxt_release_flow_lock(bp); 1985 1986 return ret; 1987 } 1988 1989 const struct rte_flow_ops bnxt_flow_ops = { 1990 .validate = bnxt_flow_validate, 1991 .create = bnxt_flow_create, 1992 .destroy = bnxt_flow_destroy, 1993 .flush = bnxt_flow_flush, 1994 }; 1995