drivers/net/enic/enic_flow.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2008-2017 Cisco Systems, Inc.  All rights reserved.
   3  */
   4
   5 #include <errno.h>
   6 #include <stdint.h>
   7 #include <rte_log.h>
   8 #include <rte_ethdev_driver.h>
   9 #include <rte_flow_driver.h>
  10 #include <rte_ether.h>
  11 #include <rte_ip.h>
  12 #include <rte_udp.h>
  13
  14 #include "enic_compat.h"
  15 #include "enic.h"
  16 #include "vnic_dev.h"
  17 #include "vnic_nic.h"
  18
  19 #define FLOW_TRACE() \
  20         rte_log(RTE_LOG_DEBUG, enicpmd_logtype_flow, \
  21                 "%s()\n", __func__)
  22 #define FLOW_LOG(level, fmt, args...) \
  23         rte_log(RTE_LOG_ ## level, enicpmd_logtype_flow, \
  24                 fmt "\n", ##args)
  25
  26 /** Info about how to copy items into enic filters. */
  27 struct enic_items {
  28         /** Function for copying and validating an item. */
  29         int (*copy_item)(const struct rte_flow_item *item,
  30                          struct filter_v2 *enic_filter, u8 *inner_ofst);
  31         /** List of valid previous items. */
  32         const enum rte_flow_item_type * const prev_items;
  33         /** True if it's OK for this item to be the first item. For some NIC
  34          * versions, it's invalid to start the stack above layer 3.
  35          */
  36         const u8 valid_start_item;
  37 };
  38
  39 /** Filtering capabilities for various NIC and firmware versions. */
  40 struct enic_filter_cap {
  41         /** list of valid items and their handlers and attributes. */
  42         const struct enic_items *item_info;
  43         /* Max type in the above list, used to detect unsupported types */
  44         enum rte_flow_item_type max_item_type;
  45 };
  46
  47 /* functions for copying flow actions into enic actions */
  48 typedef int (copy_action_fn)(struct enic *enic,
  49                              const struct rte_flow_action actions[],
  50                              struct filter_action_v2 *enic_action);
  51
  52 /* functions for copying items into enic filters */
  53 typedef int(enic_copy_item_fn)(const struct rte_flow_item *item,
  54                           struct filter_v2 *enic_filter, u8 *inner_ofst);
  55
  56 /** Action capabilities for various NICs. */
  57 struct enic_action_cap {
  58         /** list of valid actions */
  59         const enum rte_flow_action_type *actions;
  60         /** copy function for a particular NIC */
  61         copy_action_fn *copy_fn;
  62 };
  63
  64 /* Forward declarations */
  65 static enic_copy_item_fn enic_copy_item_ipv4_v1;
  66 static enic_copy_item_fn enic_copy_item_udp_v1;
  67 static enic_copy_item_fn enic_copy_item_tcp_v1;
  68 static enic_copy_item_fn enic_copy_item_eth_v2;
  69 static enic_copy_item_fn enic_copy_item_vlan_v2;
  70 static enic_copy_item_fn enic_copy_item_ipv4_v2;
  71 static enic_copy_item_fn enic_copy_item_ipv6_v2;
  72 static enic_copy_item_fn enic_copy_item_udp_v2;
  73 static enic_copy_item_fn enic_copy_item_tcp_v2;
  74 static enic_copy_item_fn enic_copy_item_sctp_v2;
  75 static enic_copy_item_fn enic_copy_item_vxlan_v2;
  76 static copy_action_fn enic_copy_action_v1;
  77 static copy_action_fn enic_copy_action_v2;
  78
  79 /**
  80  * Legacy NICs or NICs with outdated firmware. Only 5-tuple perfect match
  81  * is supported.
  82  */
  83 static const struct enic_items enic_items_v1[] = {
  84         [RTE_FLOW_ITEM_TYPE_IPV4] = {
  85                 .copy_item = enic_copy_item_ipv4_v1,
  86                 .valid_start_item = 1,
  87                 .prev_items = (const enum rte_flow_item_type[]) {
  88                                RTE_FLOW_ITEM_TYPE_END,
  89                 },
  90         },
  91         [RTE_FLOW_ITEM_TYPE_UDP] = {
  92                 .copy_item = enic_copy_item_udp_v1,
  93                 .valid_start_item = 0,
  94                 .prev_items = (const enum rte_flow_item_type[]) {
  95                                RTE_FLOW_ITEM_TYPE_IPV4,
  96                                RTE_FLOW_ITEM_TYPE_END,
  97                 },
  98         },
  99         [RTE_FLOW_ITEM_TYPE_TCP] = {
 100                 .copy_item = enic_copy_item_tcp_v1,
 101                 .valid_start_item = 0,
 102                 .prev_items = (const enum rte_flow_item_type[]) {
 103                                RTE_FLOW_ITEM_TYPE_IPV4,
 104                                RTE_FLOW_ITEM_TYPE_END,
 105                 },
 106         },
 107 };
 108
 109 /**
 110  * NICs have Advanced Filters capability but they are disabled. This means
 111  * that layer 3 must be specified.
 112  */
 113 static const struct enic_items enic_items_v2[] = {
 114         [RTE_FLOW_ITEM_TYPE_ETH] = {
 115                 .copy_item = enic_copy_item_eth_v2,
 116                 .valid_start_item = 1,
 117                 .prev_items = (const enum rte_flow_item_type[]) {
 118                                RTE_FLOW_ITEM_TYPE_VXLAN,
 119                                RTE_FLOW_ITEM_TYPE_END,
 120                 },
 121         },
 122         [RTE_FLOW_ITEM_TYPE_VLAN] = {
 123                 .copy_item = enic_copy_item_vlan_v2,
 124                 .valid_start_item = 1,
 125                 .prev_items = (const enum rte_flow_item_type[]) {
 126                                RTE_FLOW_ITEM_TYPE_ETH,
 127                                RTE_FLOW_ITEM_TYPE_END,
 128                 },
 129         },
 130         [RTE_FLOW_ITEM_TYPE_IPV4] = {
 131                 .copy_item = enic_copy_item_ipv4_v2,
 132                 .valid_start_item = 1,
 133                 .prev_items = (const enum rte_flow_item_type[]) {
 134                                RTE_FLOW_ITEM_TYPE_ETH,
 135                                RTE_FLOW_ITEM_TYPE_VLAN,
 136                                RTE_FLOW_ITEM_TYPE_END,
 137                 },
 138         },
 139         [RTE_FLOW_ITEM_TYPE_IPV6] = {
 140                 .copy_item = enic_copy_item_ipv6_v2,
 141                 .valid_start_item = 1,
 142                 .prev_items = (const enum rte_flow_item_type[]) {
 143                                RTE_FLOW_ITEM_TYPE_ETH,
 144                                RTE_FLOW_ITEM_TYPE_VLAN,
 145                                RTE_FLOW_ITEM_TYPE_END,
 146                 },
 147         },
 148         [RTE_FLOW_ITEM_TYPE_UDP] = {
 149                 .copy_item = enic_copy_item_udp_v2,
 150                 .valid_start_item = 0,
 151                 .prev_items = (const enum rte_flow_item_type[]) {
 152                                RTE_FLOW_ITEM_TYPE_IPV4,
 153                                RTE_FLOW_ITEM_TYPE_IPV6,
 154                                RTE_FLOW_ITEM_TYPE_END,
 155                 },
 156         },
 157         [RTE_FLOW_ITEM_TYPE_TCP] = {
 158                 .copy_item = enic_copy_item_tcp_v2,
 159                 .valid_start_item = 0,
 160                 .prev_items = (const enum rte_flow_item_type[]) {
 161                                RTE_FLOW_ITEM_TYPE_IPV4,
 162                                RTE_FLOW_ITEM_TYPE_IPV6,
 163                                RTE_FLOW_ITEM_TYPE_END,
 164                 },
 165         },
 166         [RTE_FLOW_ITEM_TYPE_SCTP] = {
 167                 .copy_item = enic_copy_item_sctp_v2,
 168                 .valid_start_item = 0,
 169                 .prev_items = (const enum rte_flow_item_type[]) {
 170                                RTE_FLOW_ITEM_TYPE_IPV4,
 171                                RTE_FLOW_ITEM_TYPE_IPV6,
 172                                RTE_FLOW_ITEM_TYPE_END,
 173                 },
 174         },
 175         [RTE_FLOW_ITEM_TYPE_VXLAN] = {
 176                 .copy_item = enic_copy_item_vxlan_v2,
 177                 .valid_start_item = 0,
 178                 .prev_items = (const enum rte_flow_item_type[]) {
 179                                RTE_FLOW_ITEM_TYPE_UDP,
 180                                RTE_FLOW_ITEM_TYPE_END,
 181                 },
 182         },
 183 };
 184
 185 /** NICs with Advanced filters enabled */
 186 static const struct enic_items enic_items_v3[] = {
 187         [RTE_FLOW_ITEM_TYPE_ETH] = {
 188                 .copy_item = enic_copy_item_eth_v2,
 189                 .valid_start_item = 1,
 190                 .prev_items = (const enum rte_flow_item_type[]) {
 191                                RTE_FLOW_ITEM_TYPE_VXLAN,
 192                                RTE_FLOW_ITEM_TYPE_END,
 193                 },
 194         },
 195         [RTE_FLOW_ITEM_TYPE_VLAN] = {
 196                 .copy_item = enic_copy_item_vlan_v2,
 197                 .valid_start_item = 1,
 198                 .prev_items = (const enum rte_flow_item_type[]) {
 199                                RTE_FLOW_ITEM_TYPE_ETH,
 200                                RTE_FLOW_ITEM_TYPE_END,
 201                 },
 202         },
 203         [RTE_FLOW_ITEM_TYPE_IPV4] = {
 204                 .copy_item = enic_copy_item_ipv4_v2,
 205                 .valid_start_item = 1,
 206                 .prev_items = (const enum rte_flow_item_type[]) {
 207                                RTE_FLOW_ITEM_TYPE_ETH,
 208                                RTE_FLOW_ITEM_TYPE_VLAN,
 209                                RTE_FLOW_ITEM_TYPE_END,
 210                 },
 211         },
 212         [RTE_FLOW_ITEM_TYPE_IPV6] = {
 213                 .copy_item = enic_copy_item_ipv6_v2,
 214                 .valid_start_item = 1,
 215                 .prev_items = (const enum rte_flow_item_type[]) {
 216                                RTE_FLOW_ITEM_TYPE_ETH,
 217                                RTE_FLOW_ITEM_TYPE_VLAN,
 218                                RTE_FLOW_ITEM_TYPE_END,
 219                 },
 220         },
 221         [RTE_FLOW_ITEM_TYPE_UDP] = {
 222                 .copy_item = enic_copy_item_udp_v2,
 223                 .valid_start_item = 1,
 224                 .prev_items = (const enum rte_flow_item_type[]) {
 225                                RTE_FLOW_ITEM_TYPE_IPV4,
 226                                RTE_FLOW_ITEM_TYPE_IPV6,
 227                                RTE_FLOW_ITEM_TYPE_END,
 228                 },
 229         },
 230         [RTE_FLOW_ITEM_TYPE_TCP] = {
 231                 .copy_item = enic_copy_item_tcp_v2,
 232                 .valid_start_item = 1,
 233                 .prev_items = (const enum rte_flow_item_type[]) {
 234                                RTE_FLOW_ITEM_TYPE_IPV4,
 235                                RTE_FLOW_ITEM_TYPE_IPV6,
 236                                RTE_FLOW_ITEM_TYPE_END,
 237                 },
 238         },
 239         [RTE_FLOW_ITEM_TYPE_SCTP] = {
 240                 .copy_item = enic_copy_item_sctp_v2,
 241                 .valid_start_item = 0,
 242                 .prev_items = (const enum rte_flow_item_type[]) {
 243                                RTE_FLOW_ITEM_TYPE_IPV4,
 244                                RTE_FLOW_ITEM_TYPE_IPV6,
 245                                RTE_FLOW_ITEM_TYPE_END,
 246                 },
 247         },
 248         [RTE_FLOW_ITEM_TYPE_VXLAN] = {
 249                 .copy_item = enic_copy_item_vxlan_v2,
 250                 .valid_start_item = 1,
 251                 .prev_items = (const enum rte_flow_item_type[]) {
 252                                RTE_FLOW_ITEM_TYPE_UDP,
 253                                RTE_FLOW_ITEM_TYPE_END,
 254                 },
 255         },
 256 };
 257
 258 /** Filtering capabilities indexed this NICs supported filter type. */
 259 static const struct enic_filter_cap enic_filter_cap[] = {
 260         [FILTER_IPV4_5TUPLE] = {
 261                 .item_info = enic_items_v1,
 262                 .max_item_type = RTE_FLOW_ITEM_TYPE_TCP,
 263         },
 264         [FILTER_USNIC_IP] = {
 265                 .item_info = enic_items_v2,
 266                 .max_item_type = RTE_FLOW_ITEM_TYPE_VXLAN,
 267         },
 268         [FILTER_DPDK_1] = {
 269                 .item_info = enic_items_v3,
 270                 .max_item_type = RTE_FLOW_ITEM_TYPE_VXLAN,
 271         },
 272 };
 273
 274 /** Supported actions for older NICs */
 275 static const enum rte_flow_action_type enic_supported_actions_v1[] = {
 276         RTE_FLOW_ACTION_TYPE_QUEUE,
 277         RTE_FLOW_ACTION_TYPE_END,
 278 };
 279
 280 /** Supported actions for newer NICs */
 281 static const enum rte_flow_action_type enic_supported_actions_v2_id[] = {
 282         RTE_FLOW_ACTION_TYPE_QUEUE,
 283         RTE_FLOW_ACTION_TYPE_MARK,
 284         RTE_FLOW_ACTION_TYPE_FLAG,
 285         RTE_FLOW_ACTION_TYPE_RSS,
 286         RTE_FLOW_ACTION_TYPE_END,
 287 };
 288
 289 static const enum rte_flow_action_type enic_supported_actions_v2_drop[] = {
 290         RTE_FLOW_ACTION_TYPE_QUEUE,
 291         RTE_FLOW_ACTION_TYPE_MARK,
 292         RTE_FLOW_ACTION_TYPE_FLAG,
 293         RTE_FLOW_ACTION_TYPE_DROP,
 294         RTE_FLOW_ACTION_TYPE_RSS,
 295         RTE_FLOW_ACTION_TYPE_END,
 296 };
 297
 298 static const enum rte_flow_action_type enic_supported_actions_v2_count[] = {
 299         RTE_FLOW_ACTION_TYPE_QUEUE,
 300         RTE_FLOW_ACTION_TYPE_MARK,
 301         RTE_FLOW_ACTION_TYPE_FLAG,
 302         RTE_FLOW_ACTION_TYPE_DROP,
 303         RTE_FLOW_ACTION_TYPE_COUNT,
 304         RTE_FLOW_ACTION_TYPE_RSS,
 305         RTE_FLOW_ACTION_TYPE_END,
 306 };
 307
 308 /** Action capabilities indexed by NIC version information */
 309 static const struct enic_action_cap enic_action_cap[] = {
 310         [FILTER_ACTION_RQ_STEERING_FLAG] = {
 311                 .actions = enic_supported_actions_v1,
 312                 .copy_fn = enic_copy_action_v1,
 313         },
 314         [FILTER_ACTION_FILTER_ID_FLAG] = {
 315                 .actions = enic_supported_actions_v2_id,
 316                 .copy_fn = enic_copy_action_v2,
 317         },
 318         [FILTER_ACTION_DROP_FLAG] = {
 319                 .actions = enic_supported_actions_v2_drop,
 320                 .copy_fn = enic_copy_action_v2,
 321         },
 322         [FILTER_ACTION_COUNTER_FLAG] = {
 323                 .actions = enic_supported_actions_v2_count,
 324                 .copy_fn = enic_copy_action_v2,
 325         },
 326 };
 327
 328 static int
 329 mask_exact_match(const u8 *supported, const u8 *supplied,
 330                  unsigned int size)
 331 {
 332         unsigned int i;
 333         for (i = 0; i < size; i++) {
 334                 if (supported[i] != supplied[i])
 335                         return 0;
 336         }
 337         return 1;
 338 }
 339
 340 /**
 341  * Copy IPv4 item into version 1 NIC filter.
 342  *
 343  * @param item[in]
 344  *   Item specification.
 345  * @param enic_filter[out]
 346  *   Partially filled in NIC filter structure.
 347  * @param inner_ofst[in]
 348  *   Should always be 0 for version 1.
 349  */
 350 static int
 351 enic_copy_item_ipv4_v1(const struct rte_flow_item *item,
 352                        struct filter_v2 *enic_filter, u8 *inner_ofst)
 353 {
 354         const struct rte_flow_item_ipv4 *spec = item->spec;
 355         const struct rte_flow_item_ipv4 *mask = item->mask;
 356         struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4;
 357         struct ipv4_hdr supported_mask = {
 358                 .src_addr = 0xffffffff,
 359                 .dst_addr = 0xffffffff,
 360         };
 361
 362         FLOW_TRACE();
 363
 364         if (*inner_ofst)
 365                 return ENOTSUP;
 366
 367         if (!mask)
 368                 mask = &rte_flow_item_ipv4_mask;
 369
 370         /* This is an exact match filter, both fields must be set */
 371         if (!spec || !spec->hdr.src_addr || !spec->hdr.dst_addr) {
 372                 FLOW_LOG(ERR, "IPv4 exact match src/dst addr");
 373                 return ENOTSUP;
 374         }
 375
 376         /* check that the suppied mask exactly matches capabilty */
 377         if (!mask_exact_match((const u8 *)&supported_mask,
 378                               (const u8 *)item->mask, sizeof(*mask))) {
 379                 FLOW_LOG(ERR, "IPv4 exact match mask");
 380                 return ENOTSUP;
 381         }
 382
 383         enic_filter->u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE;
 384         enic_5tup->src_addr = spec->hdr.src_addr;
 385         enic_5tup->dst_addr = spec->hdr.dst_addr;
 386
 387         return 0;
 388 }
 389
 390 /**
 391  * Copy UDP item into version 1 NIC filter.
 392  *
 393  * @param item[in]
 394  *   Item specification.
 395  * @param enic_filter[out]
 396  *   Partially filled in NIC filter structure.
 397  * @param inner_ofst[in]
 398  *   Should always be 0 for version 1.
 399  */
 400 static int
 401 enic_copy_item_udp_v1(const struct rte_flow_item *item,
 402                       struct filter_v2 *enic_filter, u8 *inner_ofst)
 403 {
 404         const struct rte_flow_item_udp *spec = item->spec;
 405         const struct rte_flow_item_udp *mask = item->mask;
 406         struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4;
 407         struct udp_hdr supported_mask = {
 408                 .src_port = 0xffff,
 409                 .dst_port = 0xffff,
 410         };
 411
 412         FLOW_TRACE();
 413
 414         if (*inner_ofst)
 415                 return ENOTSUP;
 416
 417         if (!mask)
 418                 mask = &rte_flow_item_udp_mask;
 419
 420         /* This is an exact match filter, both ports must be set */
 421         if (!spec || !spec->hdr.src_port || !spec->hdr.dst_port) {
 422                 FLOW_LOG(ERR, "UDP exact match src/dst addr");
 423                 return ENOTSUP;
 424         }
 425
 426         /* check that the suppied mask exactly matches capabilty */
 427         if (!mask_exact_match((const u8 *)&supported_mask,
 428                               (const u8 *)item->mask, sizeof(*mask))) {
 429                 FLOW_LOG(ERR, "UDP exact match mask");
 430                 return ENOTSUP;
 431         }
 432
 433         enic_filter->u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE;
 434         enic_5tup->src_port = spec->hdr.src_port;
 435         enic_5tup->dst_port = spec->hdr.dst_port;
 436         enic_5tup->protocol = PROTO_UDP;
 437
 438         return 0;
 439 }
 440
 441 /**
 442  * Copy TCP item into version 1 NIC filter.
 443  *
 444  * @param item[in]
 445  *   Item specification.
 446  * @param enic_filter[out]
 447  *   Partially filled in NIC filter structure.
 448  * @param inner_ofst[in]
 449  *   Should always be 0 for version 1.
 450  */
 451 static int
 452 enic_copy_item_tcp_v1(const struct rte_flow_item *item,
 453                       struct filter_v2 *enic_filter, u8 *inner_ofst)
 454 {
 455         const struct rte_flow_item_tcp *spec = item->spec;
 456         const struct rte_flow_item_tcp *mask = item->mask;
 457         struct filter_ipv4_5tuple *enic_5tup = &enic_filter->u.ipv4;
 458         struct tcp_hdr supported_mask = {
 459                 .src_port = 0xffff,
 460                 .dst_port = 0xffff,
 461         };
 462
 463         FLOW_TRACE();
 464
 465         if (*inner_ofst)
 466                 return ENOTSUP;
 467
 468         if (!mask)
 469                 mask = &rte_flow_item_tcp_mask;
 470
 471         /* This is an exact match filter, both ports must be set */
 472         if (!spec || !spec->hdr.src_port || !spec->hdr.dst_port) {
 473                 FLOW_LOG(ERR, "TCPIPv4 exact match src/dst addr");
 474                 return ENOTSUP;
 475         }
 476
 477         /* check that the suppied mask exactly matches capabilty */
 478         if (!mask_exact_match((const u8 *)&supported_mask,
 479                              (const u8 *)item->mask, sizeof(*mask))) {
 480                 FLOW_LOG(ERR, "TCP exact match mask");
 481                 return ENOTSUP;
 482         }
 483
 484         enic_filter->u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE;
 485         enic_5tup->src_port = spec->hdr.src_port;
 486         enic_5tup->dst_port = spec->hdr.dst_port;
 487         enic_5tup->protocol = PROTO_TCP;
 488
 489         return 0;
 490 }
 491
 492 /**
 493  * Copy ETH item into version 2 NIC filter.
 494  *
 495  * @param item[in]
 496  *   Item specification.
 497  * @param enic_filter[out]
 498  *   Partially filled in NIC filter structure.
 499  * @param inner_ofst[in]
 500  *   If zero, this is an outer header. If non-zero, this is the offset into L5
 501  *   where the header begins.
 502  */
 503 static int
 504 enic_copy_item_eth_v2(const struct rte_flow_item *item,
 505                       struct filter_v2 *enic_filter, u8 *inner_ofst)
 506 {
 507         struct ether_hdr enic_spec;
 508         struct ether_hdr enic_mask;
 509         const struct rte_flow_item_eth *spec = item->spec;
 510         const struct rte_flow_item_eth *mask = item->mask;
 511         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 512
 513         FLOW_TRACE();
 514
 515         /* Match all if no spec */
 516         if (!spec)
 517                 return 0;
 518
 519         if (!mask)
 520                 mask = &rte_flow_item_eth_mask;
 521
 522         memcpy(enic_spec.d_addr.addr_bytes, spec->dst.addr_bytes,
 523                ETHER_ADDR_LEN);
 524         memcpy(enic_spec.s_addr.addr_bytes, spec->src.addr_bytes,
 525                ETHER_ADDR_LEN);
 526
 527         memcpy(enic_mask.d_addr.addr_bytes, mask->dst.addr_bytes,
 528                ETHER_ADDR_LEN);
 529         memcpy(enic_mask.s_addr.addr_bytes, mask->src.addr_bytes,
 530                ETHER_ADDR_LEN);
 531         enic_spec.ether_type = spec->type;
 532         enic_mask.ether_type = mask->type;
 533
 534         if (*inner_ofst == 0) {
 535                 /* outer header */
 536                 memcpy(gp->layer[FILTER_GENERIC_1_L2].mask, &enic_mask,
 537                        sizeof(struct ether_hdr));
 538                 memcpy(gp->layer[FILTER_GENERIC_1_L2].val, &enic_spec,
 539                        sizeof(struct ether_hdr));
 540         } else {
 541                 /* inner header */
 542                 if ((*inner_ofst + sizeof(struct ether_hdr)) >
 543                      FILTER_GENERIC_1_KEY_LEN)
 544                         return ENOTSUP;
 545                 /* Offset into L5 where inner Ethernet header goes */
 546                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst],
 547                        &enic_mask, sizeof(struct ether_hdr));
 548                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst],
 549                        &enic_spec, sizeof(struct ether_hdr));
 550                 *inner_ofst += sizeof(struct ether_hdr);
 551         }
 552         return 0;
 553 }
 554
 555 /**
 556  * Copy VLAN item into version 2 NIC filter.
 557  *
 558  * @param item[in]
 559  *   Item specification.
 560  * @param enic_filter[out]
 561  *   Partially filled in NIC filter structure.
 562  * @param inner_ofst[in]
 563  *   If zero, this is an outer header. If non-zero, this is the offset into L5
 564  *   where the header begins.
 565  */
 566 static int
 567 enic_copy_item_vlan_v2(const struct rte_flow_item *item,
 568                        struct filter_v2 *enic_filter, u8 *inner_ofst)
 569 {
 570         const struct rte_flow_item_vlan *spec = item->spec;
 571         const struct rte_flow_item_vlan *mask = item->mask;
 572         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 573
 574         FLOW_TRACE();
 575
 576         /* Match all if no spec */
 577         if (!spec)
 578                 return 0;
 579
 580         if (!mask)
 581                 mask = &rte_flow_item_vlan_mask;
 582
 583         if (*inner_ofst == 0) {
 584                 struct ether_hdr *eth_mask =
 585                         (void *)gp->layer[FILTER_GENERIC_1_L2].mask;
 586                 struct ether_hdr *eth_val =
 587                         (void *)gp->layer[FILTER_GENERIC_1_L2].val;
 588
 589                 /* Outer TPID cannot be matched */
 590                 if (eth_mask->ether_type)
 591                         return ENOTSUP;
 592                 eth_mask->ether_type = mask->inner_type;
 593                 eth_val->ether_type = spec->inner_type;
 594
 595                 /* Outer header. Use the vlan mask/val fields */
 596                 gp->mask_vlan = mask->tci;
 597                 gp->val_vlan = spec->tci;
 598         } else {
 599                 /* Inner header. Mask/Val start at *inner_ofst into L5 */
 600                 if ((*inner_ofst + sizeof(struct vlan_hdr)) >
 601                      FILTER_GENERIC_1_KEY_LEN)
 602                         return ENOTSUP;
 603                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst],
 604                        mask, sizeof(struct vlan_hdr));
 605                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst],
 606                        spec, sizeof(struct vlan_hdr));
 607                 *inner_ofst += sizeof(struct vlan_hdr);
 608         }
 609         return 0;
 610 }
 611
 612 /**
 613  * Copy IPv4 item into version 2 NIC filter.
 614  *
 615  * @param item[in]
 616  *   Item specification.
 617  * @param enic_filter[out]
 618  *   Partially filled in NIC filter structure.
 619  * @param inner_ofst[in]
 620  *   Must be 0. Don't support inner IPv4 filtering.
 621  */
 622 static int
 623 enic_copy_item_ipv4_v2(const struct rte_flow_item *item,
 624                        struct filter_v2 *enic_filter, u8 *inner_ofst)
 625 {
 626         const struct rte_flow_item_ipv4 *spec = item->spec;
 627         const struct rte_flow_item_ipv4 *mask = item->mask;
 628         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 629
 630         FLOW_TRACE();
 631
 632         if (*inner_ofst == 0) {
 633                 /* Match IPv4 */
 634                 gp->mask_flags |= FILTER_GENERIC_1_IPV4;
 635                 gp->val_flags |= FILTER_GENERIC_1_IPV4;
 636
 637                 /* Match all if no spec */
 638                 if (!spec)
 639                         return 0;
 640
 641                 if (!mask)
 642                         mask = &rte_flow_item_ipv4_mask;
 643
 644                 memcpy(gp->layer[FILTER_GENERIC_1_L3].mask, &mask->hdr,
 645                        sizeof(struct ipv4_hdr));
 646                 memcpy(gp->layer[FILTER_GENERIC_1_L3].val, &spec->hdr,
 647                        sizeof(struct ipv4_hdr));
 648         } else {
 649                 /* Inner IPv4 header. Mask/Val start at *inner_ofst into L5 */
 650                 if ((*inner_ofst + sizeof(struct ipv4_hdr)) >
 651                      FILTER_GENERIC_1_KEY_LEN)
 652                         return ENOTSUP;
 653                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst],
 654                        mask, sizeof(struct ipv4_hdr));
 655                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst],
 656                        spec, sizeof(struct ipv4_hdr));
 657                 *inner_ofst += sizeof(struct ipv4_hdr);
 658         }
 659         return 0;
 660 }
 661
 662 /**
 663  * Copy IPv6 item into version 2 NIC filter.
 664  *
 665  * @param item[in]
 666  *   Item specification.
 667  * @param enic_filter[out]
 668  *   Partially filled in NIC filter structure.
 669  * @param inner_ofst[in]
 670  *   Must be 0. Don't support inner IPv6 filtering.
 671  */
 672 static int
 673 enic_copy_item_ipv6_v2(const struct rte_flow_item *item,
 674                        struct filter_v2 *enic_filter, u8 *inner_ofst)
 675 {
 676         const struct rte_flow_item_ipv6 *spec = item->spec;
 677         const struct rte_flow_item_ipv6 *mask = item->mask;
 678         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 679
 680         FLOW_TRACE();
 681
 682         /* Match IPv6 */
 683         gp->mask_flags |= FILTER_GENERIC_1_IPV6;
 684         gp->val_flags |= FILTER_GENERIC_1_IPV6;
 685
 686         /* Match all if no spec */
 687         if (!spec)
 688                 return 0;
 689
 690         if (!mask)
 691                 mask = &rte_flow_item_ipv6_mask;
 692
 693         if (*inner_ofst == 0) {
 694                 memcpy(gp->layer[FILTER_GENERIC_1_L3].mask, &mask->hdr,
 695                        sizeof(struct ipv6_hdr));
 696                 memcpy(gp->layer[FILTER_GENERIC_1_L3].val, &spec->hdr,
 697                        sizeof(struct ipv6_hdr));
 698         } else {
 699                 /* Inner IPv6 header. Mask/Val start at *inner_ofst into L5 */
 700                 if ((*inner_ofst + sizeof(struct ipv6_hdr)) >
 701                      FILTER_GENERIC_1_KEY_LEN)
 702                         return ENOTSUP;
 703                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst],
 704                        mask, sizeof(struct ipv6_hdr));
 705                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst],
 706                        spec, sizeof(struct ipv6_hdr));
 707                 *inner_ofst += sizeof(struct ipv6_hdr);
 708         }
 709         return 0;
 710 }
 711
 712 /**
 713  * Copy UDP item into version 2 NIC filter.
 714  *
 715  * @param item[in]
 716  *   Item specification.
 717  * @param enic_filter[out]
 718  *   Partially filled in NIC filter structure.
 719  * @param inner_ofst[in]
 720  *   Must be 0. Don't support inner UDP filtering.
 721  */
 722 static int
 723 enic_copy_item_udp_v2(const struct rte_flow_item *item,
 724                       struct filter_v2 *enic_filter, u8 *inner_ofst)
 725 {
 726         const struct rte_flow_item_udp *spec = item->spec;
 727         const struct rte_flow_item_udp *mask = item->mask;
 728         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 729
 730         FLOW_TRACE();
 731
 732         /* Match UDP */
 733         gp->mask_flags |= FILTER_GENERIC_1_UDP;
 734         gp->val_flags |= FILTER_GENERIC_1_UDP;
 735
 736         /* Match all if no spec */
 737         if (!spec)
 738                 return 0;
 739
 740         if (!mask)
 741                 mask = &rte_flow_item_udp_mask;
 742
 743         if (*inner_ofst == 0) {
 744                 memcpy(gp->layer[FILTER_GENERIC_1_L4].mask, &mask->hdr,
 745                        sizeof(struct udp_hdr));
 746                 memcpy(gp->layer[FILTER_GENERIC_1_L4].val, &spec->hdr,
 747                        sizeof(struct udp_hdr));
 748         } else {
 749                 /* Inner IPv6 header. Mask/Val start at *inner_ofst into L5 */
 750                 if ((*inner_ofst + sizeof(struct udp_hdr)) >
 751                      FILTER_GENERIC_1_KEY_LEN)
 752                         return ENOTSUP;
 753                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst],
 754                        mask, sizeof(struct udp_hdr));
 755                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst],
 756                        spec, sizeof(struct udp_hdr));
 757                 *inner_ofst += sizeof(struct udp_hdr);
 758         }
 759         return 0;
 760 }
 761
 762 /**
 763  * Copy TCP item into version 2 NIC filter.
 764  *
 765  * @param item[in]
 766  *   Item specification.
 767  * @param enic_filter[out]
 768  *   Partially filled in NIC filter structure.
 769  * @param inner_ofst[in]
 770  *   Must be 0. Don't support inner TCP filtering.
 771  */
 772 static int
 773 enic_copy_item_tcp_v2(const struct rte_flow_item *item,
 774                       struct filter_v2 *enic_filter, u8 *inner_ofst)
 775 {
 776         const struct rte_flow_item_tcp *spec = item->spec;
 777         const struct rte_flow_item_tcp *mask = item->mask;
 778         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 779
 780         FLOW_TRACE();
 781
 782         /* Match TCP */
 783         gp->mask_flags |= FILTER_GENERIC_1_TCP;
 784         gp->val_flags |= FILTER_GENERIC_1_TCP;
 785
 786         /* Match all if no spec */
 787         if (!spec)
 788                 return 0;
 789
 790         if (!mask)
 791                 return ENOTSUP;
 792
 793         if (*inner_ofst == 0) {
 794                 memcpy(gp->layer[FILTER_GENERIC_1_L4].mask, &mask->hdr,
 795                        sizeof(struct tcp_hdr));
 796                 memcpy(gp->layer[FILTER_GENERIC_1_L4].val, &spec->hdr,
 797                        sizeof(struct tcp_hdr));
 798         } else {
 799                 /* Inner IPv6 header. Mask/Val start at *inner_ofst into L5 */
 800                 if ((*inner_ofst + sizeof(struct tcp_hdr)) >
 801                      FILTER_GENERIC_1_KEY_LEN)
 802                         return ENOTSUP;
 803                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].mask[*inner_ofst],
 804                        mask, sizeof(struct tcp_hdr));
 805                 memcpy(&gp->layer[FILTER_GENERIC_1_L5].val[*inner_ofst],
 806                        spec, sizeof(struct tcp_hdr));
 807                 *inner_ofst += sizeof(struct tcp_hdr);
 808         }
 809         return 0;
 810 }
 811
 812 /**
 813  * Copy SCTP item into version 2 NIC filter.
 814  *
 815  * @param item[in]
 816  *   Item specification.
 817  * @param enic_filter[out]
 818  *   Partially filled in NIC filter structure.
 819  * @param inner_ofst[in]
 820  *   Must be 0. Don't support inner SCTP filtering.
 821  */
 822 static int
 823 enic_copy_item_sctp_v2(const struct rte_flow_item *item,
 824                        struct filter_v2 *enic_filter, u8 *inner_ofst)
 825 {
 826         const struct rte_flow_item_sctp *spec = item->spec;
 827         const struct rte_flow_item_sctp *mask = item->mask;
 828         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 829         uint8_t *ip_proto_mask = NULL;
 830         uint8_t *ip_proto = NULL;
 831
 832         FLOW_TRACE();
 833
 834         if (*inner_ofst)
 835                 return ENOTSUP;
 836
 837         /*
 838          * The NIC filter API has no flags for "match sctp", so explicitly set
 839          * the protocol number in the IP pattern.
 840          */
 841         if (gp->val_flags & FILTER_GENERIC_1_IPV4) {
 842                 struct ipv4_hdr *ip;
 843                 ip = (struct ipv4_hdr *)gp->layer[FILTER_GENERIC_1_L3].mask;
 844                 ip_proto_mask = &ip->next_proto_id;
 845                 ip = (struct ipv4_hdr *)gp->layer[FILTER_GENERIC_1_L3].val;
 846                 ip_proto = &ip->next_proto_id;
 847         } else if (gp->val_flags & FILTER_GENERIC_1_IPV6) {
 848                 struct ipv6_hdr *ip;
 849                 ip = (struct ipv6_hdr *)gp->layer[FILTER_GENERIC_1_L3].mask;
 850                 ip_proto_mask = &ip->proto;
 851                 ip = (struct ipv6_hdr *)gp->layer[FILTER_GENERIC_1_L3].val;
 852                 ip_proto = &ip->proto;
 853         } else {
 854                 /* Need IPv4/IPv6 pattern first */
 855                 return EINVAL;
 856         }
 857         *ip_proto = IPPROTO_SCTP;
 858         *ip_proto_mask = 0xff;
 859
 860         /* Match all if no spec */
 861         if (!spec)
 862                 return 0;
 863
 864         if (!mask)
 865                 mask = &rte_flow_item_sctp_mask;
 866
 867         memcpy(gp->layer[FILTER_GENERIC_1_L4].mask, &mask->hdr,
 868                sizeof(struct sctp_hdr));
 869         memcpy(gp->layer[FILTER_GENERIC_1_L4].val, &spec->hdr,
 870                sizeof(struct sctp_hdr));
 871         return 0;
 872 }
 873
 874 /**
 875  * Copy UDP item into version 2 NIC filter.
 876  *
 877  * @param item[in]
 878  *   Item specification.
 879  * @param enic_filter[out]
 880  *   Partially filled in NIC filter structure.
 881  * @param inner_ofst[in]
 882  *   Must be 0. VxLAN headers always start at the beginning of L5.
 883  */
 884 static int
 885 enic_copy_item_vxlan_v2(const struct rte_flow_item *item,
 886                         struct filter_v2 *enic_filter, u8 *inner_ofst)
 887 {
 888         const struct rte_flow_item_vxlan *spec = item->spec;
 889         const struct rte_flow_item_vxlan *mask = item->mask;
 890         struct filter_generic_1 *gp = &enic_filter->u.generic_1;
 891
 892         FLOW_TRACE();
 893
 894         if (*inner_ofst)
 895                 return EINVAL;
 896
 897         /* Match all if no spec */
 898         if (!spec)
 899                 return 0;
 900
 901         if (!mask)
 902                 mask = &rte_flow_item_vxlan_mask;
 903
 904         memcpy(gp->layer[FILTER_GENERIC_1_L5].mask, mask,
 905                sizeof(struct vxlan_hdr));
 906         memcpy(gp->layer[FILTER_GENERIC_1_L5].val, spec,
 907                sizeof(struct vxlan_hdr));
 908
 909         *inner_ofst = sizeof(struct vxlan_hdr);
 910         return 0;
 911 }
 912
 913 /**
 914  * Return 1 if current item is valid on top of the previous one.
 915  *
 916  * @param prev_item[in]
 917  *   The item before this one in the pattern or RTE_FLOW_ITEM_TYPE_END if this
 918  *   is the first item.
 919  * @param item_info[in]
 920  *   Info about this item, like valid previous items.
 921  * @param is_first[in]
 922  *   True if this the first item in the pattern.
 923  */
 924 static int
 925 item_stacking_valid(enum rte_flow_item_type prev_item,
 926                     const struct enic_items *item_info, u8 is_first_item)
 927 {
 928         enum rte_flow_item_type const *allowed_items = item_info->prev_items;
 929
 930         FLOW_TRACE();
 931
 932         for (; *allowed_items != RTE_FLOW_ITEM_TYPE_END; allowed_items++) {
 933                 if (prev_item == *allowed_items)
 934                         return 1;
 935         }
 936
 937         /* This is the first item in the stack. Check if that's cool */
 938         if (is_first_item && item_info->valid_start_item)
 939                 return 1;
 940
 941         return 0;
 942 }
 943
 944 /**
 945  * Build the intenal enic filter structure from the provided pattern. The
 946  * pattern is validated as the items are copied.
 947  *
 948  * @param pattern[in]
 949  * @param items_info[in]
 950  *   Info about this NICs item support, like valid previous items.
 951  * @param enic_filter[out]
 952  *   NIC specfilc filters derived from the pattern.
 953  * @param error[out]
 954  */
 955 static int
 956 enic_copy_filter(const struct rte_flow_item pattern[],
 957                  const struct enic_filter_cap *cap,
 958                  struct filter_v2 *enic_filter,
 959                  struct rte_flow_error *error)
 960 {
 961         int ret;
 962         const struct rte_flow_item *item = pattern;
 963         u8 inner_ofst = 0; /* If encapsulated, ofst into L5 */
 964         enum rte_flow_item_type prev_item;
 965         const struct enic_items *item_info;
 966
 967         u8 is_first_item = 1;
 968
 969         FLOW_TRACE();
 970
 971         prev_item = 0;
 972
 973         for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 974                 /* Get info about how to validate and copy the item. If NULL
 975                  * is returned the nic does not support the item.
 976                  */
 977                 if (item->type == RTE_FLOW_ITEM_TYPE_VOID)
 978                         continue;
 979
 980                 item_info = &cap->item_info[item->type];
 981                 if (item->type > cap->max_item_type ||
 982                     item_info->copy_item == NULL) {
 983                         rte_flow_error_set(error, ENOTSUP,
 984                                 RTE_FLOW_ERROR_TYPE_ITEM,
 985                                 NULL, "Unsupported item.");
 986                         return -rte_errno;
 987                 }
 988
 989                 /* check to see if item stacking is valid */
 990                 if (!item_stacking_valid(prev_item, item_info, is_first_item))
 991                         goto stacking_error;
 992
 993                 ret = item_info->copy_item(item, enic_filter, &inner_ofst);
 994                 if (ret)
 995                         goto item_not_supported;
 996                 prev_item = item->type;
 997                 is_first_item = 0;
 998         }
 999         return 0;
1000
1001 item_not_supported:
1002         rte_flow_error_set(error, ret, RTE_FLOW_ERROR_TYPE_ITEM,
1003                            NULL, "enic type error");
1004         return -rte_errno;
1005
1006 stacking_error:
1007         rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM,
1008                            item, "stacking error");
1009         return -rte_errno;
1010 }
1011
1012 /**
1013  * Build the intenal version 1 NIC action structure from the provided pattern.
1014  * The pattern is validated as the items are copied.
1015  *
1016  * @param actions[in]
1017  * @param enic_action[out]
1018  *   NIC specfilc actions derived from the actions.
1019  * @param error[out]
1020  */
1021 static int
1022 enic_copy_action_v1(__rte_unused struct enic *enic,
1023                     const struct rte_flow_action actions[],
1024                     struct filter_action_v2 *enic_action)
1025 {
1026         enum { FATE = 1, };
1027         uint32_t overlap = 0;
1028
1029         FLOW_TRACE();
1030
1031         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1032                 if (actions->type == RTE_FLOW_ACTION_TYPE_VOID)
1033                         continue;
1034
1035                 switch (actions->type) {
1036                 case RTE_FLOW_ACTION_TYPE_QUEUE: {
1037                         const struct rte_flow_action_queue *queue =
1038                                 (const struct rte_flow_action_queue *)
1039                                 actions->conf;
1040
1041                         if (overlap & FATE)
1042                                 return ENOTSUP;
1043                         overlap |= FATE;
1044                         enic_action->rq_idx =
1045                                 enic_rte_rq_idx_to_sop_idx(queue->index);
1046                         break;
1047                 }
1048                 default:
1049                         RTE_ASSERT(0);
1050                         break;
1051                 }
1052         }
1053         if (!(overlap & FATE))
1054                 return ENOTSUP;
1055         enic_action->type = FILTER_ACTION_RQ_STEERING;
1056         return 0;
1057 }
1058
1059 /**
1060  * Build the intenal version 2 NIC action structure from the provided pattern.
1061  * The pattern is validated as the items are copied.
1062  *
1063  * @param actions[in]
1064  * @param enic_action[out]
1065  *   NIC specfilc actions derived from the actions.
1066  * @param error[out]
1067  */
1068 static int
1069 enic_copy_action_v2(struct enic *enic,
1070                     const struct rte_flow_action actions[],
1071                     struct filter_action_v2 *enic_action)
1072 {
1073         enum { FATE = 1, MARK = 2, };
1074         uint32_t overlap = 0;
1075
1076         FLOW_TRACE();
1077
1078         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1079                 switch (actions->type) {
1080                 case RTE_FLOW_ACTION_TYPE_QUEUE: {
1081                         const struct rte_flow_action_queue *queue =
1082                                 (const struct rte_flow_action_queue *)
1083                                 actions->conf;
1084
1085                         if (overlap & FATE)
1086                                 return ENOTSUP;
1087                         overlap |= FATE;
1088                         enic_action->rq_idx =
1089                                 enic_rte_rq_idx_to_sop_idx(queue->index);
1090                         enic_action->flags |= FILTER_ACTION_RQ_STEERING_FLAG;
1091                         break;
1092                 }
1093                 case RTE_FLOW_ACTION_TYPE_MARK: {
1094                         const struct rte_flow_action_mark *mark =
1095                                 (const struct rte_flow_action_mark *)
1096                                 actions->conf;
1097
1098                         if (overlap & MARK)
1099                                 return ENOTSUP;
1100                         overlap |= MARK;
1101                         /*
1102                          * Map mark ID (32-bit) to filter ID (16-bit):
1103                          * - Reject values > 16 bits
1104                          * - Filter ID 0 is reserved for filters that steer
1105                          *   but not mark. So add 1 to the mark ID to avoid
1106                          *   using 0.
1107                          * - Filter ID (ENIC_MAGIC_FILTER_ID = 0xffff) is
1108                          *   reserved for the "flag" action below.
1109                          */
1110                         if (mark->id >= ENIC_MAGIC_FILTER_ID - 1)
1111                                 return EINVAL;
1112                         enic_action->filter_id = mark->id + 1;
1113                         enic_action->flags |= FILTER_ACTION_FILTER_ID_FLAG;
1114                         break;
1115                 }
1116                 case RTE_FLOW_ACTION_TYPE_FLAG: {
1117                         if (overlap & MARK)
1118                                 return ENOTSUP;
1119                         overlap |= MARK;
1120                         /* ENIC_MAGIC_FILTER_ID is reserved for flagging */
1121                         enic_action->filter_id = ENIC_MAGIC_FILTER_ID;
1122                         enic_action->flags |= FILTER_ACTION_FILTER_ID_FLAG;
1123                         break;
1124                 }
1125                 case RTE_FLOW_ACTION_TYPE_DROP: {
1126                         if (overlap & FATE)
1127                                 return ENOTSUP;
1128                         overlap |= FATE;
1129                         enic_action->flags |= FILTER_ACTION_DROP_FLAG;
1130                         break;
1131                 }
1132                 case RTE_FLOW_ACTION_TYPE_COUNT: {
1133                         enic_action->flags |= FILTER_ACTION_COUNTER_FLAG;
1134                         break;
1135                 }
1136                 case RTE_FLOW_ACTION_TYPE_RSS: {
1137                         const struct rte_flow_action_rss *rss =
1138                                 (const struct rte_flow_action_rss *)
1139                                 actions->conf;
1140                         bool allow;
1141                         uint16_t i;
1142
1143                         /*
1144                          * Hardware does not support general RSS actions, but
1145                          * we can still support the dummy one that is used to
1146                          * "receive normally".
1147                          */
1148                         allow = rss->func == RTE_ETH_HASH_FUNCTION_DEFAULT &&
1149                                 rss->level == 0 &&
1150                                 (rss->types == 0 ||
1151                                  rss->types == enic->rss_hf) &&
1152                                 rss->queue_num == enic->rq_count &&
1153                                 rss->key_len == 0;
1154                         /* Identity queue map is ok */
1155                         for (i = 0; i < rss->queue_num; i++)
1156                                 allow = allow && (i == rss->queue[i]);
1157                         if (!allow)
1158                                 return ENOTSUP;
1159                         if (overlap & FATE)
1160                                 return ENOTSUP;
1161                         /* Need MARK or FLAG */
1162                         if (!(overlap & MARK))
1163                                 return ENOTSUP;
1164                         overlap |= FATE;
1165                         break;
1166                 }
1167                 case RTE_FLOW_ACTION_TYPE_VOID:
1168                         continue;
1169                 default:
1170                         RTE_ASSERT(0);
1171                         break;
1172                 }
1173         }
1174         if (!(overlap & FATE))
1175                 return ENOTSUP;
1176         enic_action->type = FILTER_ACTION_V2;
1177         return 0;
1178 }
1179
1180 /** Check if the action is supported */
1181 static int
1182 enic_match_action(const struct rte_flow_action *action,
1183                   const enum rte_flow_action_type *supported_actions)
1184 {
1185         for (; *supported_actions != RTE_FLOW_ACTION_TYPE_END;
1186              supported_actions++) {
1187                 if (action->type == *supported_actions)
1188                         return 1;
1189         }
1190         return 0;
1191 }
1192
1193 /** Get the NIC filter capabilties structure */
1194 static const struct enic_filter_cap *
1195 enic_get_filter_cap(struct enic *enic)
1196 {
1197         if (enic->flow_filter_mode)
1198                 return &enic_filter_cap[enic->flow_filter_mode];
1199
1200         return NULL;
1201 }
1202
1203 /** Get the actions for this NIC version. */
1204 static const struct enic_action_cap *
1205 enic_get_action_cap(struct enic *enic)
1206 {
1207         const struct enic_action_cap *ea;
1208         uint8_t actions;
1209
1210         actions = enic->filter_actions;
1211         if (actions & FILTER_ACTION_COUNTER_FLAG)
1212                 ea = &enic_action_cap[FILTER_ACTION_COUNTER_FLAG];
1213         else if (actions & FILTER_ACTION_DROP_FLAG)
1214                 ea = &enic_action_cap[FILTER_ACTION_DROP_FLAG];
1215         else if (actions & FILTER_ACTION_FILTER_ID_FLAG)
1216                 ea = &enic_action_cap[FILTER_ACTION_FILTER_ID_FLAG];
1217         else
1218                 ea = &enic_action_cap[FILTER_ACTION_RQ_STEERING_FLAG];
1219         return ea;
1220 }
1221
1222 /* Debug function to dump internal NIC action structure. */
1223 static void
1224 enic_dump_actions(const struct filter_action_v2 *ea)
1225 {
1226         if (ea->type == FILTER_ACTION_RQ_STEERING) {
1227                 FLOW_LOG(INFO, "Action(V1), queue: %u\n", ea->rq_idx);
1228         } else if (ea->type == FILTER_ACTION_V2) {
1229                 FLOW_LOG(INFO, "Actions(V2)\n");
1230                 if (ea->flags & FILTER_ACTION_RQ_STEERING_FLAG)
1231                         FLOW_LOG(INFO, "\tqueue: %u\n",
1232                                enic_sop_rq_idx_to_rte_idx(ea->rq_idx));
1233                 if (ea->flags & FILTER_ACTION_FILTER_ID_FLAG)
1234                         FLOW_LOG(INFO, "\tfilter_id: %u\n", ea->filter_id);
1235         }
1236 }
1237
1238 /* Debug function to dump internal NIC filter structure. */
1239 static void
1240 enic_dump_filter(const struct filter_v2 *filt)
1241 {
1242         const struct filter_generic_1 *gp;
1243         int i, j, mbyte;
1244         char buf[128], *bp;
1245         char ip4[16], ip6[16], udp[16], tcp[16], tcpudp[16], ip4csum[16];
1246         char l4csum[16], ipfrag[16];
1247
1248         switch (filt->type) {
1249         case FILTER_IPV4_5TUPLE:
1250                 FLOW_LOG(INFO, "FILTER_IPV4_5TUPLE\n");
1251                 break;
1252         case FILTER_USNIC_IP:
1253         case FILTER_DPDK_1:
1254                 /* FIXME: this should be a loop */
1255                 gp = &filt->u.generic_1;
1256                 FLOW_LOG(INFO, "Filter: vlan: 0x%04x, mask: 0x%04x\n",
1257                        gp->val_vlan, gp->mask_vlan);
1258
1259                 if (gp->mask_flags & FILTER_GENERIC_1_IPV4)
1260                         sprintf(ip4, "%s ",
1261                                 (gp->val_flags & FILTER_GENERIC_1_IPV4)
1262                                  ? "ip4(y)" : "ip4(n)");
1263                 else
1264                         sprintf(ip4, "%s ", "ip4(x)");
1265
1266                 if (gp->mask_flags & FILTER_GENERIC_1_IPV6)
1267                         sprintf(ip6, "%s ",
1268                                 (gp->val_flags & FILTER_GENERIC_1_IPV4)
1269                                  ? "ip6(y)" : "ip6(n)");
1270                 else
1271                         sprintf(ip6, "%s ", "ip6(x)");
1272
1273                 if (gp->mask_flags & FILTER_GENERIC_1_UDP)
1274                         sprintf(udp, "%s ",
1275                                 (gp->val_flags & FILTER_GENERIC_1_UDP)
1276                                  ? "udp(y)" : "udp(n)");
1277                 else
1278                         sprintf(udp, "%s ", "udp(x)");
1279
1280                 if (gp->mask_flags & FILTER_GENERIC_1_TCP)
1281                         sprintf(tcp, "%s ",
1282                                 (gp->val_flags & FILTER_GENERIC_1_TCP)
1283                                  ? "tcp(y)" : "tcp(n)");
1284                 else
1285                         sprintf(tcp, "%s ", "tcp(x)");
1286
1287                 if (gp->mask_flags & FILTER_GENERIC_1_TCP_OR_UDP)
1288                         sprintf(tcpudp, "%s ",
1289                                 (gp->val_flags & FILTER_GENERIC_1_TCP_OR_UDP)
1290                                  ? "tcpudp(y)" : "tcpudp(n)");
1291                 else
1292                         sprintf(tcpudp, "%s ", "tcpudp(x)");
1293
1294                 if (gp->mask_flags & FILTER_GENERIC_1_IP4SUM_OK)
1295                         sprintf(ip4csum, "%s ",
1296                                 (gp->val_flags & FILTER_GENERIC_1_IP4SUM_OK)
1297                                  ? "ip4csum(y)" : "ip4csum(n)");
1298                 else
1299                         sprintf(ip4csum, "%s ", "ip4csum(x)");
1300
1301                 if (gp->mask_flags & FILTER_GENERIC_1_L4SUM_OK)
1302                         sprintf(l4csum, "%s ",
1303                                 (gp->val_flags & FILTER_GENERIC_1_L4SUM_OK)
1304                                  ? "l4csum(y)" : "l4csum(n)");
1305                 else
1306                         sprintf(l4csum, "%s ", "l4csum(x)");
1307
1308                 if (gp->mask_flags & FILTER_GENERIC_1_IPFRAG)
1309                         sprintf(ipfrag, "%s ",
1310                                 (gp->val_flags & FILTER_GENERIC_1_IPFRAG)
1311                                  ? "ipfrag(y)" : "ipfrag(n)");
1312                 else
1313                         sprintf(ipfrag, "%s ", "ipfrag(x)");
1314                 FLOW_LOG(INFO, "\tFlags: %s%s%s%s%s%s%s%s\n", ip4, ip6, udp,
1315                          tcp, tcpudp, ip4csum, l4csum, ipfrag);
1316
1317                 for (i = 0; i < FILTER_GENERIC_1_NUM_LAYERS; i++) {
1318                         mbyte = FILTER_GENERIC_1_KEY_LEN - 1;
1319                         while (mbyte && !gp->layer[i].mask[mbyte])
1320                                 mbyte--;
1321                         if (mbyte == 0)
1322                                 continue;
1323
1324                         bp = buf;
1325                         for (j = 0; j <= mbyte; j++) {
1326                                 sprintf(bp, "%02x",
1327                                         gp->layer[i].mask[j]);
1328                                 bp += 2;
1329                         }
1330                         *bp = '\0';
1331                         FLOW_LOG(INFO, "\tL%u mask: %s\n", i + 2, buf);
1332                         bp = buf;
1333                         for (j = 0; j <= mbyte; j++) {
1334                                 sprintf(bp, "%02x",
1335                                         gp->layer[i].val[j]);
1336                                 bp += 2;
1337                         }
1338                         *bp = '\0';
1339                         FLOW_LOG(INFO, "\tL%u  val: %s\n", i + 2, buf);
1340                 }
1341                 break;
1342         default:
1343                 FLOW_LOG(INFO, "FILTER UNKNOWN\n");
1344                 break;
1345         }
1346 }
1347
1348 /* Debug function to dump internal NIC flow structures. */
1349 static void
1350 enic_dump_flow(const struct filter_action_v2 *ea, const struct filter_v2 *filt)
1351 {
1352         enic_dump_filter(filt);
1353         enic_dump_actions(ea);
1354 }
1355
1356
1357 /**
1358  * Internal flow parse/validate function.
1359  *
1360  * @param dev[in]
1361  *   This device pointer.
1362  * @param pattern[in]
1363  * @param actions[in]
1364  * @param error[out]
1365  * @param enic_filter[out]
1366  *   Internal NIC filter structure pointer.
1367  * @param enic_action[out]
1368  *   Internal NIC action structure pointer.
1369  */
1370 static int
1371 enic_flow_parse(struct rte_eth_dev *dev,
1372                 const struct rte_flow_attr *attrs,
1373                 const struct rte_flow_item pattern[],
1374                 const struct rte_flow_action actions[],
1375                 struct rte_flow_error *error,
1376                 struct filter_v2 *enic_filter,
1377                 struct filter_action_v2 *enic_action)
1378 {
1379         unsigned int ret = 0;
1380         struct enic *enic = pmd_priv(dev);
1381         const struct enic_filter_cap *enic_filter_cap;
1382         const struct enic_action_cap *enic_action_cap;
1383         const struct rte_flow_action *action;
1384
1385         FLOW_TRACE();
1386
1387         memset(enic_filter, 0, sizeof(*enic_filter));
1388         memset(enic_action, 0, sizeof(*enic_action));
1389
1390         if (!pattern) {
1391                 rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM_NUM,
1392                                    NULL, "No pattern specified");
1393                 return -rte_errno;
1394         }
1395
1396         if (!actions) {
1397                 rte_flow_error_set(error, EINVAL,
1398                                    RTE_FLOW_ERROR_TYPE_ACTION_NUM,
1399                                    NULL, "No action specified");
1400                 return -rte_errno;
1401         }
1402
1403         if (attrs) {
1404                 if (attrs->group) {
1405                         rte_flow_error_set(error, ENOTSUP,
1406                                            RTE_FLOW_ERROR_TYPE_ATTR_GROUP,
1407                                            NULL,
1408                                            "priority groups are not supported");
1409                         return -rte_errno;
1410                 } else if (attrs->priority) {
1411                         rte_flow_error_set(error, ENOTSUP,
1412                                            RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
1413                                            NULL,
1414                                            "priorities are not supported");
1415                         return -rte_errno;
1416                 } else if (attrs->egress) {
1417                         rte_flow_error_set(error, ENOTSUP,
1418                                            RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
1419                                            NULL,
1420                                            "egress is not supported");
1421                         return -rte_errno;
1422                 } else if (attrs->transfer) {
1423                         rte_flow_error_set(error, ENOTSUP,
1424                                            RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER,
1425                                            NULL,
1426                                            "transfer is not supported");
1427                         return -rte_errno;
1428                 } else if (!attrs->ingress) {
1429                         rte_flow_error_set(error, ENOTSUP,
1430                                            RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
1431                                            NULL,
1432                                            "only ingress is supported");
1433                         return -rte_errno;
1434                 }
1435
1436         } else {
1437                 rte_flow_error_set(error, EINVAL,
1438                                    RTE_FLOW_ERROR_TYPE_ATTR,
1439                                    NULL, "No attribute specified");
1440                 return -rte_errno;
1441         }
1442
1443         /* Verify Actions. */
1444         enic_action_cap =  enic_get_action_cap(enic);
1445         for (action = &actions[0]; action->type != RTE_FLOW_ACTION_TYPE_END;
1446              action++) {
1447                 if (action->type == RTE_FLOW_ACTION_TYPE_VOID)
1448                         continue;
1449                 else if (!enic_match_action(action, enic_action_cap->actions))
1450                         break;
1451         }
1452         if (action->type != RTE_FLOW_ACTION_TYPE_END) {
1453                 rte_flow_error_set(error, EPERM, RTE_FLOW_ERROR_TYPE_ACTION,
1454                                    action, "Invalid action.");
1455                 return -rte_errno;
1456         }
1457         ret = enic_action_cap->copy_fn(enic, actions, enic_action);
1458         if (ret) {
1459                 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
1460                            NULL, "Unsupported action.");
1461                 return -rte_errno;
1462         }
1463
1464         /* Verify Flow items. If copying the filter from flow format to enic
1465          * format fails, the flow is not supported
1466          */
1467         enic_filter_cap =  enic_get_filter_cap(enic);
1468         if (enic_filter_cap == NULL) {
1469                 rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
1470                            NULL, "Flow API not available");
1471                 return -rte_errno;
1472         }
1473         enic_filter->type = enic->flow_filter_mode;
1474         ret = enic_copy_filter(pattern, enic_filter_cap,
1475                                        enic_filter, error);
1476         return ret;
1477 }
1478
1479 /**
1480  * Push filter/action to the NIC.
1481  *
1482  * @param enic[in]
1483  *   Device structure pointer.
1484  * @param enic_filter[in]
1485  *   Internal NIC filter structure pointer.
1486  * @param enic_action[in]
1487  *   Internal NIC action structure pointer.
1488  * @param error[out]
1489  */
1490 static struct rte_flow *
1491 enic_flow_add_filter(struct enic *enic, struct filter_v2 *enic_filter,
1492                    struct filter_action_v2 *enic_action,
1493                    struct rte_flow_error *error)
1494 {
1495         struct rte_flow *flow;
1496         int err;
1497         uint16_t entry;
1498         int ctr_idx;
1499         int last_max_flow_ctr;
1500
1501         FLOW_TRACE();
1502
1503         flow = rte_calloc(__func__, 1, sizeof(*flow), 0);
1504         if (!flow) {
1505                 rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
1506                                    NULL, "cannot allocate flow memory");
1507                 return NULL;
1508         }
1509
1510         flow->counter_idx = -1;
1511         last_max_flow_ctr = -1;
1512         if (enic_action->flags & FILTER_ACTION_COUNTER_FLAG) {
1513                 if (!vnic_dev_counter_alloc(enic->vdev, (uint32_t *)&ctr_idx)) {
1514                         rte_flow_error_set(error, ENOMEM,
1515                                            RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1516                                            NULL, "cannot allocate counter");
1517                         goto unwind_flow_alloc;
1518                 }
1519                 flow->counter_idx = ctr_idx;
1520                 enic_action->counter_index = ctr_idx;
1521
1522                 /* If index is the largest, increase the counter DMA size */
1523                 if (ctr_idx > enic->max_flow_counter) {
1524                         err = vnic_dev_counter_dma_cfg(enic->vdev,
1525                                                  VNIC_FLOW_COUNTER_UPDATE_MSECS,
1526                                                  ctr_idx + 1);
1527                         if (err) {
1528                                 rte_flow_error_set(error, -err,
1529                                            RTE_FLOW_ERROR_TYPE_ACTION_CONF,
1530                                            NULL, "counter DMA config failed");
1531                                 goto unwind_ctr_alloc;
1532                         }
1533                         last_max_flow_ctr = enic->max_flow_counter;
1534                         enic->max_flow_counter = ctr_idx;
1535                 }
1536         }
1537
1538         /* entry[in] is the queue id, entry[out] is the filter Id for delete */
1539         entry = enic_action->rq_idx;
1540         err = vnic_dev_classifier(enic->vdev, CLSF_ADD, &entry, enic_filter,
1541                                   enic_action);
1542         if (err) {
1543                 rte_flow_error_set(error, -err, RTE_FLOW_ERROR_TYPE_HANDLE,
1544                                    NULL, "vnic_dev_classifier error");
1545                 goto unwind_ctr_dma_cfg;
1546         }
1547
1548         flow->enic_filter_id = entry;
1549         flow->enic_filter = *enic_filter;
1550
1551         return flow;
1552
1553 /* unwind if there are errors */
1554 unwind_ctr_dma_cfg:
1555         if (last_max_flow_ctr != -1) {
1556                 /* reduce counter DMA size */
1557                 vnic_dev_counter_dma_cfg(enic->vdev,
1558                                          VNIC_FLOW_COUNTER_UPDATE_MSECS,
1559                                          last_max_flow_ctr + 1);
1560                 enic->max_flow_counter = last_max_flow_ctr;
1561         }
1562 unwind_ctr_alloc:
1563         if (flow->counter_idx != -1)
1564                 vnic_dev_counter_free(enic->vdev, ctr_idx);
1565 unwind_flow_alloc:
1566         rte_free(flow);
1567         return NULL;
1568 }
1569
1570 /**
1571  * Remove filter/action from the NIC.
1572  *
1573  * @param enic[in]
1574  *   Device structure pointer.
1575  * @param filter_id[in]
1576  *   Id of NIC filter.
1577  * @param enic_action[in]
1578  *   Internal NIC action structure pointer.
1579  * @param error[out]
1580  */
1581 static int
1582 enic_flow_del_filter(struct enic *enic, struct rte_flow *flow,
1583                    struct rte_flow_error *error)
1584 {
1585         u16 filter_id;
1586         int err;
1587
1588         FLOW_TRACE();
1589
1590         filter_id = flow->enic_filter_id;
1591         err = vnic_dev_classifier(enic->vdev, CLSF_DEL, &filter_id, NULL, NULL);
1592         if (err) {
1593                 rte_flow_error_set(error, -err, RTE_FLOW_ERROR_TYPE_HANDLE,
1594                                    NULL, "vnic_dev_classifier failed");
1595                 return -err;
1596         }
1597
1598         if (flow->counter_idx != -1) {
1599                 if (!vnic_dev_counter_free(enic->vdev, flow->counter_idx))
1600                         dev_err(enic, "counter free failed, idx: %d\n",
1601                                 flow->counter_idx);
1602                 flow->counter_idx = -1;
1603         }
1604         return 0;
1605 }
1606
1607 /*
1608  * The following functions are callbacks for Generic flow API.
1609  */
1610
1611 /**
1612  * Validate a flow supported by the NIC.
1613  *
1614  * @see rte_flow_validate()
1615  * @see rte_flow_ops
1616  */
1617 static int
1618 enic_flow_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attrs,
1619                    const struct rte_flow_item pattern[],
1620                    const struct rte_flow_action actions[],
1621                    struct rte_flow_error *error)
1622 {
1623         struct filter_v2 enic_filter;
1624         struct filter_action_v2 enic_action;
1625         int ret;
1626
1627         FLOW_TRACE();
1628
1629         ret = enic_flow_parse(dev, attrs, pattern, actions, error,
1630                                &enic_filter, &enic_action);
1631         if (!ret)
1632                 enic_dump_flow(&enic_action, &enic_filter);
1633         return ret;
1634 }
1635
1636 /**
1637  * Create a flow supported by the NIC.
1638  *
1639  * @see rte_flow_create()
1640  * @see rte_flow_ops
1641  */
1642 static struct rte_flow *
1643 enic_flow_create(struct rte_eth_dev *dev,
1644                  const struct rte_flow_attr *attrs,
1645                  const struct rte_flow_item pattern[],
1646                  const struct rte_flow_action actions[],
1647                  struct rte_flow_error *error)
1648 {
1649         int ret;
1650         struct filter_v2 enic_filter;
1651         struct filter_action_v2 enic_action;
1652         struct rte_flow *flow;
1653         struct enic *enic = pmd_priv(dev);
1654
1655         FLOW_TRACE();
1656
1657         ret = enic_flow_parse(dev, attrs, pattern, actions, error, &enic_filter,
1658                               &enic_action);
1659         if (ret < 0)
1660                 return NULL;
1661
1662         rte_spinlock_lock(&enic->flows_lock);
1663         flow = enic_flow_add_filter(enic, &enic_filter, &enic_action,
1664                                     error);
1665         if (flow)
1666                 LIST_INSERT_HEAD(&enic->flows, flow, next);
1667         rte_spinlock_unlock(&enic->flows_lock);
1668
1669         return flow;
1670 }
1671
1672 /**
1673  * Destroy a flow supported by the NIC.
1674  *
1675  * @see rte_flow_destroy()
1676  * @see rte_flow_ops
1677  */
1678 static int
1679 enic_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
1680                   __rte_unused struct rte_flow_error *error)
1681 {
1682         struct enic *enic = pmd_priv(dev);
1683
1684         FLOW_TRACE();
1685
1686         rte_spinlock_lock(&enic->flows_lock);
1687         enic_flow_del_filter(enic, flow, error);
1688         LIST_REMOVE(flow, next);
1689         rte_spinlock_unlock(&enic->flows_lock);
1690         rte_free(flow);
1691         return 0;
1692 }
1693
1694 /**
1695  * Flush all flows on the device.
1696  *
1697  * @see rte_flow_flush()
1698  * @see rte_flow_ops
1699  */
1700 static int
1701 enic_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
1702 {
1703         struct rte_flow *flow;
1704         struct enic *enic = pmd_priv(dev);
1705
1706         FLOW_TRACE();
1707
1708         rte_spinlock_lock(&enic->flows_lock);
1709
1710         while (!LIST_EMPTY(&enic->flows)) {
1711                 flow = LIST_FIRST(&enic->flows);
1712                 enic_flow_del_filter(enic, flow, error);
1713                 LIST_REMOVE(flow, next);
1714                 rte_free(flow);
1715         }
1716         rte_spinlock_unlock(&enic->flows_lock);
1717         return 0;
1718 }
1719
1720 static int
1721 enic_flow_query_count(struct rte_eth_dev *dev,
1722                       struct rte_flow *flow, void *data,
1723                       struct rte_flow_error *error)
1724 {
1725         struct enic *enic = pmd_priv(dev);
1726         struct rte_flow_query_count *query;
1727         uint64_t packets, bytes;
1728
1729         FLOW_TRACE();
1730
1731         if (flow->counter_idx == -1) {
1732                 return rte_flow_error_set(error, ENOTSUP,
1733                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1734                                           NULL,
1735                                           "flow does not have counter");
1736         }
1737         query = (struct rte_flow_query_count *)data;
1738         if (!vnic_dev_counter_query(enic->vdev, flow->counter_idx,
1739                                     !!query->reset, &packets, &bytes)) {
1740                 return rte_flow_error_set
1741                         (error, EINVAL,
1742                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1743                          NULL,
1744                          "cannot read counter");
1745         }
1746         query->hits_set = 1;
1747         query->bytes_set = 1;
1748         query->hits = packets;
1749         query->bytes = bytes;
1750         return 0;
1751 }
1752
1753 static int
1754 enic_flow_query(struct rte_eth_dev *dev,
1755                 struct rte_flow *flow,
1756                 const struct rte_flow_action *actions,
1757                 void *data,
1758                 struct rte_flow_error *error)
1759 {
1760         int ret = 0;
1761
1762         FLOW_TRACE();
1763
1764         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1765                 switch (actions->type) {
1766                 case RTE_FLOW_ACTION_TYPE_VOID:
1767                         break;
1768                 case RTE_FLOW_ACTION_TYPE_COUNT:
1769                         ret = enic_flow_query_count(dev, flow, data, error);
1770                         break;
1771                 default:
1772                         return rte_flow_error_set(error, ENOTSUP,
1773                                                   RTE_FLOW_ERROR_TYPE_ACTION,
1774                                                   actions,
1775                                                   "action not supported");
1776                 }
1777                 if (ret < 0)
1778                         return ret;
1779         }
1780         return 0;
1781 }
1782
1783 /**
1784  * Flow callback registration.
1785  *
1786  * @see rte_flow_ops
1787  */
1788 const struct rte_flow_ops enic_flow_ops = {
1789         .validate = enic_flow_validate,
1790         .create = enic_flow_create,
1791         .destroy = enic_flow_destroy,
1792         .flush = enic_flow_flush,
1793         .query = enic_flow_query,
1794 };