app/test-pmd/cmdline_flow.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2016 6WIND S.A.
   3  * Copyright 2016 Mellanox Technologies, Ltd
   4  */
   5
   6 #include <stddef.h>
   7 #include <stdint.h>
   8 #include <stdio.h>
   9 #include <inttypes.h>
  10 #include <errno.h>
  11 #include <ctype.h>
  12 #include <string.h>
  13 #include <arpa/inet.h>
  14 #include <sys/socket.h>
  15
  16 #include <rte_string_fns.h>
  17 #include <rte_common.h>
  18 #include <rte_ethdev.h>
  19 #include <rte_byteorder.h>
  20 #include <cmdline_parse.h>
  21 #include <cmdline_parse_etheraddr.h>
  22 #include <rte_flow.h>
  23
  24 #include "testpmd.h"
  25
  26 /** Parser token indices. */
  27 enum index {
  28         /* Special tokens. */
  29         ZERO = 0,
  30         END,
  31
  32         /* Common tokens. */
  33         INTEGER,
  34         UNSIGNED,
  35         PREFIX,
  36         BOOLEAN,
  37         STRING,
  38         HEX,
  39         MAC_ADDR,
  40         IPV4_ADDR,
  41         IPV6_ADDR,
  42         RULE_ID,
  43         PORT_ID,
  44         GROUP_ID,
  45         PRIORITY_LEVEL,
  46
  47         /* Top-level command. */
  48         FLOW,
  49
  50         /* Sub-level commands. */
  51         VALIDATE,
  52         CREATE,
  53         DESTROY,
  54         FLUSH,
  55         QUERY,
  56         LIST,
  57         ISOLATE,
  58
  59         /* Destroy arguments. */
  60         DESTROY_RULE,
  61
  62         /* Query arguments. */
  63         QUERY_ACTION,
  64
  65         /* List arguments. */
  66         LIST_GROUP,
  67
  68         /* Validate/create arguments. */
  69         GROUP,
  70         PRIORITY,
  71         INGRESS,
  72         EGRESS,
  73         TRANSFER,
  74
  75         /* Validate/create pattern. */
  76         PATTERN,
  77         ITEM_PARAM_IS,
  78         ITEM_PARAM_SPEC,
  79         ITEM_PARAM_LAST,
  80         ITEM_PARAM_MASK,
  81         ITEM_PARAM_PREFIX,
  82         ITEM_NEXT,
  83         ITEM_END,
  84         ITEM_VOID,
  85         ITEM_INVERT,
  86         ITEM_ANY,
  87         ITEM_ANY_NUM,
  88         ITEM_PF,
  89         ITEM_VF,
  90         ITEM_VF_ID,
  91         ITEM_PHY_PORT,
  92         ITEM_PHY_PORT_INDEX,
  93         ITEM_PORT_ID,
  94         ITEM_PORT_ID_ID,
  95         ITEM_MARK,
  96         ITEM_MARK_ID,
  97         ITEM_RAW,
  98         ITEM_RAW_RELATIVE,
  99         ITEM_RAW_SEARCH,
 100         ITEM_RAW_OFFSET,
 101         ITEM_RAW_LIMIT,
 102         ITEM_RAW_PATTERN,
 103         ITEM_ETH,
 104         ITEM_ETH_DST,
 105         ITEM_ETH_SRC,
 106         ITEM_ETH_TYPE,
 107         ITEM_VLAN,
 108         ITEM_VLAN_TCI,
 109         ITEM_VLAN_PCP,
 110         ITEM_VLAN_DEI,
 111         ITEM_VLAN_VID,
 112         ITEM_VLAN_INNER_TYPE,
 113         ITEM_IPV4,
 114         ITEM_IPV4_TOS,
 115         ITEM_IPV4_TTL,
 116         ITEM_IPV4_PROTO,
 117         ITEM_IPV4_SRC,
 118         ITEM_IPV4_DST,
 119         ITEM_IPV6,
 120         ITEM_IPV6_TC,
 121         ITEM_IPV6_FLOW,
 122         ITEM_IPV6_PROTO,
 123         ITEM_IPV6_HOP,
 124         ITEM_IPV6_SRC,
 125         ITEM_IPV6_DST,
 126         ITEM_ICMP,
 127         ITEM_ICMP_TYPE,
 128         ITEM_ICMP_CODE,
 129         ITEM_UDP,
 130         ITEM_UDP_SRC,
 131         ITEM_UDP_DST,
 132         ITEM_TCP,
 133         ITEM_TCP_SRC,
 134         ITEM_TCP_DST,
 135         ITEM_TCP_FLAGS,
 136         ITEM_SCTP,
 137         ITEM_SCTP_SRC,
 138         ITEM_SCTP_DST,
 139         ITEM_SCTP_TAG,
 140         ITEM_SCTP_CKSUM,
 141         ITEM_VXLAN,
 142         ITEM_VXLAN_VNI,
 143         ITEM_E_TAG,
 144         ITEM_E_TAG_GRP_ECID_B,
 145         ITEM_NVGRE,
 146         ITEM_NVGRE_TNI,
 147         ITEM_MPLS,
 148         ITEM_MPLS_LABEL,
 149         ITEM_GRE,
 150         ITEM_GRE_PROTO,
 151         ITEM_FUZZY,
 152         ITEM_FUZZY_THRESH,
 153         ITEM_GTP,
 154         ITEM_GTP_TEID,
 155         ITEM_GTPC,
 156         ITEM_GTPU,
 157         ITEM_GENEVE,
 158         ITEM_GENEVE_VNI,
 159         ITEM_GENEVE_PROTO,
 160         ITEM_VXLAN_GPE,
 161         ITEM_VXLAN_GPE_VNI,
 162         ITEM_ARP_ETH_IPV4,
 163         ITEM_ARP_ETH_IPV4_SHA,
 164         ITEM_ARP_ETH_IPV4_SPA,
 165         ITEM_ARP_ETH_IPV4_THA,
 166         ITEM_ARP_ETH_IPV4_TPA,
 167         ITEM_IPV6_EXT,
 168         ITEM_IPV6_EXT_NEXT_HDR,
 169         ITEM_ICMP6,
 170         ITEM_ICMP6_TYPE,
 171         ITEM_ICMP6_CODE,
 172         ITEM_ICMP6_ND_NS,
 173         ITEM_ICMP6_ND_NS_TARGET_ADDR,
 174         ITEM_ICMP6_ND_NA,
 175         ITEM_ICMP6_ND_NA_TARGET_ADDR,
 176         ITEM_ICMP6_ND_OPT,
 177         ITEM_ICMP6_ND_OPT_TYPE,
 178         ITEM_ICMP6_ND_OPT_SLA_ETH,
 179         ITEM_ICMP6_ND_OPT_SLA_ETH_SLA,
 180         ITEM_ICMP6_ND_OPT_TLA_ETH,
 181         ITEM_ICMP6_ND_OPT_TLA_ETH_TLA,
 182         ITEM_META,
 183         ITEM_META_DATA,
 184
 185         /* Validate/create actions. */
 186         ACTIONS,
 187         ACTION_NEXT,
 188         ACTION_END,
 189         ACTION_VOID,
 190         ACTION_PASSTHRU,
 191         ACTION_JUMP,
 192         ACTION_JUMP_GROUP,
 193         ACTION_MARK,
 194         ACTION_MARK_ID,
 195         ACTION_FLAG,
 196         ACTION_QUEUE,
 197         ACTION_QUEUE_INDEX,
 198         ACTION_DROP,
 199         ACTION_COUNT,
 200         ACTION_COUNT_SHARED,
 201         ACTION_COUNT_ID,
 202         ACTION_RSS,
 203         ACTION_RSS_FUNC,
 204         ACTION_RSS_LEVEL,
 205         ACTION_RSS_FUNC_DEFAULT,
 206         ACTION_RSS_FUNC_TOEPLITZ,
 207         ACTION_RSS_FUNC_SIMPLE_XOR,
 208         ACTION_RSS_TYPES,
 209         ACTION_RSS_TYPE,
 210         ACTION_RSS_KEY,
 211         ACTION_RSS_KEY_LEN,
 212         ACTION_RSS_QUEUES,
 213         ACTION_RSS_QUEUE,
 214         ACTION_PF,
 215         ACTION_VF,
 216         ACTION_VF_ORIGINAL,
 217         ACTION_VF_ID,
 218         ACTION_PHY_PORT,
 219         ACTION_PHY_PORT_ORIGINAL,
 220         ACTION_PHY_PORT_INDEX,
 221         ACTION_PORT_ID,
 222         ACTION_PORT_ID_ORIGINAL,
 223         ACTION_PORT_ID_ID,
 224         ACTION_METER,
 225         ACTION_METER_ID,
 226         ACTION_OF_SET_MPLS_TTL,
 227         ACTION_OF_SET_MPLS_TTL_MPLS_TTL,
 228         ACTION_OF_DEC_MPLS_TTL,
 229         ACTION_OF_SET_NW_TTL,
 230         ACTION_OF_SET_NW_TTL_NW_TTL,
 231         ACTION_OF_DEC_NW_TTL,
 232         ACTION_OF_COPY_TTL_OUT,
 233         ACTION_OF_COPY_TTL_IN,
 234         ACTION_OF_POP_VLAN,
 235         ACTION_OF_PUSH_VLAN,
 236         ACTION_OF_PUSH_VLAN_ETHERTYPE,
 237         ACTION_OF_SET_VLAN_VID,
 238         ACTION_OF_SET_VLAN_VID_VLAN_VID,
 239         ACTION_OF_SET_VLAN_PCP,
 240         ACTION_OF_SET_VLAN_PCP_VLAN_PCP,
 241         ACTION_OF_POP_MPLS,
 242         ACTION_OF_POP_MPLS_ETHERTYPE,
 243         ACTION_OF_PUSH_MPLS,
 244         ACTION_OF_PUSH_MPLS_ETHERTYPE,
 245         ACTION_VXLAN_ENCAP,
 246         ACTION_VXLAN_DECAP,
 247         ACTION_NVGRE_ENCAP,
 248         ACTION_NVGRE_DECAP,
 249         ACTION_L2_ENCAP,
 250         ACTION_L2_DECAP,
 251         ACTION_MPLSOGRE_ENCAP,
 252         ACTION_MPLSOGRE_DECAP,
 253         ACTION_MPLSOUDP_ENCAP,
 254         ACTION_MPLSOUDP_DECAP,
 255         ACTION_SET_IPV4_SRC,
 256         ACTION_SET_IPV4_SRC_IPV4_SRC,
 257         ACTION_SET_IPV4_DST,
 258         ACTION_SET_IPV4_DST_IPV4_DST,
 259         ACTION_SET_IPV6_SRC,
 260         ACTION_SET_IPV6_SRC_IPV6_SRC,
 261         ACTION_SET_IPV6_DST,
 262         ACTION_SET_IPV6_DST_IPV6_DST,
 263         ACTION_SET_TP_SRC,
 264         ACTION_SET_TP_SRC_TP_SRC,
 265         ACTION_SET_TP_DST,
 266         ACTION_SET_TP_DST_TP_DST,
 267         ACTION_MAC_SWAP,
 268         ACTION_DEC_TTL,
 269         ACTION_SET_TTL,
 270         ACTION_SET_TTL_TTL,
 271         ACTION_SET_MAC_SRC,
 272         ACTION_SET_MAC_SRC_MAC_SRC,
 273         ACTION_SET_MAC_DST,
 274         ACTION_SET_MAC_DST_MAC_DST,
 275         ACTION_INC_TCP_SEQ,
 276         ACTION_INC_TCP_SEQ_VALUE,
 277         ACTION_DEC_TCP_SEQ,
 278         ACTION_DEC_TCP_SEQ_VALUE,
 279         ACTION_INC_TCP_ACK,
 280         ACTION_INC_TCP_ACK_VALUE,
 281         ACTION_DEC_TCP_ACK,
 282         ACTION_DEC_TCP_ACK_VALUE,
 283 };
 284
 285 /** Maximum size for pattern in struct rte_flow_item_raw. */
 286 #define ITEM_RAW_PATTERN_SIZE 40
 287
 288 /** Storage size for struct rte_flow_item_raw including pattern. */
 289 #define ITEM_RAW_SIZE \
 290         (sizeof(struct rte_flow_item_raw) + ITEM_RAW_PATTERN_SIZE)
 291
 292 /** Maximum number of queue indices in struct rte_flow_action_rss. */
 293 #define ACTION_RSS_QUEUE_NUM 32
 294
 295 /** Storage for struct rte_flow_action_rss including external data. */
 296 struct action_rss_data {
 297         struct rte_flow_action_rss conf;
 298         uint8_t key[RSS_HASH_KEY_LENGTH];
 299         uint16_t queue[ACTION_RSS_QUEUE_NUM];
 300 };
 301
 302 /** Maximum number of items in struct rte_flow_action_vxlan_encap. */
 303 #define ACTION_VXLAN_ENCAP_ITEMS_NUM 6
 304
 305 /** Storage for struct rte_flow_action_vxlan_encap including external data. */
 306 struct action_vxlan_encap_data {
 307         struct rte_flow_action_vxlan_encap conf;
 308         struct rte_flow_item items[ACTION_VXLAN_ENCAP_ITEMS_NUM];
 309         struct rte_flow_item_eth item_eth;
 310         struct rte_flow_item_vlan item_vlan;
 311         union {
 312                 struct rte_flow_item_ipv4 item_ipv4;
 313                 struct rte_flow_item_ipv6 item_ipv6;
 314         };
 315         struct rte_flow_item_udp item_udp;
 316         struct rte_flow_item_vxlan item_vxlan;
 317 };
 318
 319 /** Maximum number of items in struct rte_flow_action_nvgre_encap. */
 320 #define ACTION_NVGRE_ENCAP_ITEMS_NUM 5
 321
 322 /** Storage for struct rte_flow_action_nvgre_encap including external data. */
 323 struct action_nvgre_encap_data {
 324         struct rte_flow_action_nvgre_encap conf;
 325         struct rte_flow_item items[ACTION_NVGRE_ENCAP_ITEMS_NUM];
 326         struct rte_flow_item_eth item_eth;
 327         struct rte_flow_item_vlan item_vlan;
 328         union {
 329                 struct rte_flow_item_ipv4 item_ipv4;
 330                 struct rte_flow_item_ipv6 item_ipv6;
 331         };
 332         struct rte_flow_item_nvgre item_nvgre;
 333 };
 334
 335 /** Maximum data size in struct rte_flow_action_raw_encap. */
 336 #define ACTION_RAW_ENCAP_MAX_DATA 128
 337
 338 /** Storage for struct rte_flow_action_raw_encap including external data. */
 339 struct action_raw_encap_data {
 340         struct rte_flow_action_raw_encap conf;
 341         uint8_t data[ACTION_RAW_ENCAP_MAX_DATA];
 342         uint8_t preserve[ACTION_RAW_ENCAP_MAX_DATA];
 343 };
 344
 345 /** Storage for struct rte_flow_action_raw_decap including external data. */
 346 struct action_raw_decap_data {
 347         struct rte_flow_action_raw_decap conf;
 348         uint8_t data[ACTION_RAW_ENCAP_MAX_DATA];
 349 };
 350
 351 /** Maximum number of subsequent tokens and arguments on the stack. */
 352 #define CTX_STACK_SIZE 16
 353
 354 /** Parser context. */
 355 struct context {
 356         /** Stack of subsequent token lists to process. */
 357         const enum index *next[CTX_STACK_SIZE];
 358         /** Arguments for stacked tokens. */
 359         const void *args[CTX_STACK_SIZE];
 360         enum index curr; /**< Current token index. */
 361         enum index prev; /**< Index of the last token seen. */
 362         int next_num; /**< Number of entries in next[]. */
 363         int args_num; /**< Number of entries in args[]. */
 364         uint32_t eol:1; /**< EOL has been detected. */
 365         uint32_t last:1; /**< No more arguments. */
 366         portid_t port; /**< Current port ID (for completions). */
 367         uint32_t objdata; /**< Object-specific data. */
 368         void *object; /**< Address of current object for relative offsets. */
 369         void *objmask; /**< Object a full mask must be written to. */
 370 };
 371
 372 /** Token argument. */
 373 struct arg {
 374         uint32_t hton:1; /**< Use network byte ordering. */
 375         uint32_t sign:1; /**< Value is signed. */
 376         uint32_t bounded:1; /**< Value is bounded. */
 377         uintmax_t min; /**< Minimum value if bounded. */
 378         uintmax_t max; /**< Maximum value if bounded. */
 379         uint32_t offset; /**< Relative offset from ctx->object. */
 380         uint32_t size; /**< Field size. */
 381         const uint8_t *mask; /**< Bit-mask to use instead of offset/size. */
 382 };
 383
 384 /** Parser token definition. */
 385 struct token {
 386         /** Type displayed during completion (defaults to "TOKEN"). */
 387         const char *type;
 388         /** Help displayed during completion (defaults to token name). */
 389         const char *help;
 390         /** Private data used by parser functions. */
 391         const void *priv;
 392         /**
 393          * Lists of subsequent tokens to push on the stack. Each call to the
 394          * parser consumes the last entry of that stack.
 395          */
 396         const enum index *const *next;
 397         /** Arguments stack for subsequent tokens that need them. */
 398         const struct arg *const *args;
 399         /**
 400          * Token-processing callback, returns -1 in case of error, the
 401          * length of the matched string otherwise. If NULL, attempts to
 402          * match the token name.
 403          *
 404          * If buf is not NULL, the result should be stored in it according
 405          * to context. An error is returned if not large enough.
 406          */
 407         int (*call)(struct context *ctx, const struct token *token,
 408                     const char *str, unsigned int len,
 409                     void *buf, unsigned int size);
 410         /**
 411          * Callback that provides possible values for this token, used for
 412          * completion. Returns -1 in case of error, the number of possible
 413          * values otherwise. If NULL, the token name is used.
 414          *
 415          * If buf is not NULL, entry index ent is written to buf and the
 416          * full length of the entry is returned (same behavior as
 417          * snprintf()).
 418          */
 419         int (*comp)(struct context *ctx, const struct token *token,
 420                     unsigned int ent, char *buf, unsigned int size);
 421         /** Mandatory token name, no default value. */
 422         const char *name;
 423 };
 424
 425 /** Static initializer for the next field. */
 426 #define NEXT(...) (const enum index *const []){ __VA_ARGS__, NULL, }
 427
 428 /** Static initializer for a NEXT() entry. */
 429 #define NEXT_ENTRY(...) (const enum index []){ __VA_ARGS__, ZERO, }
 430
 431 /** Static initializer for the args field. */
 432 #define ARGS(...) (const struct arg *const []){ __VA_ARGS__, NULL, }
 433
 434 /** Static initializer for ARGS() to target a field. */
 435 #define ARGS_ENTRY(s, f) \
 436         (&(const struct arg){ \
 437                 .offset = offsetof(s, f), \
 438                 .size = sizeof(((s *)0)->f), \
 439         })
 440
 441 /** Static initializer for ARGS() to target a bit-field. */
 442 #define ARGS_ENTRY_BF(s, f, b) \
 443         (&(const struct arg){ \
 444                 .size = sizeof(s), \
 445                 .mask = (const void *)&(const s){ .f = (1 << (b)) - 1 }, \
 446         })
 447
 448 /** Static initializer for ARGS() to target an arbitrary bit-mask. */
 449 #define ARGS_ENTRY_MASK(s, f, m) \
 450         (&(const struct arg){ \
 451                 .offset = offsetof(s, f), \
 452                 .size = sizeof(((s *)0)->f), \
 453                 .mask = (const void *)(m), \
 454         })
 455
 456 /** Same as ARGS_ENTRY_MASK() using network byte ordering for the value. */
 457 #define ARGS_ENTRY_MASK_HTON(s, f, m) \
 458         (&(const struct arg){ \
 459                 .hton = 1, \
 460                 .offset = offsetof(s, f), \
 461                 .size = sizeof(((s *)0)->f), \
 462                 .mask = (const void *)(m), \
 463         })
 464
 465 /** Static initializer for ARGS() to target a pointer. */
 466 #define ARGS_ENTRY_PTR(s, f) \
 467         (&(const struct arg){ \
 468                 .size = sizeof(*((s *)0)->f), \
 469         })
 470
 471 /** Static initializer for ARGS() with arbitrary offset and size. */
 472 #define ARGS_ENTRY_ARB(o, s) \
 473         (&(const struct arg){ \
 474                 .offset = (o), \
 475                 .size = (s), \
 476         })
 477
 478 /** Same as ARGS_ENTRY_ARB() with bounded values. */
 479 #define ARGS_ENTRY_ARB_BOUNDED(o, s, i, a) \
 480         (&(const struct arg){ \
 481                 .bounded = 1, \
 482                 .min = (i), \
 483                 .max = (a), \
 484                 .offset = (o), \
 485                 .size = (s), \
 486         })
 487
 488 /** Same as ARGS_ENTRY() using network byte ordering. */
 489 #define ARGS_ENTRY_HTON(s, f) \
 490         (&(const struct arg){ \
 491                 .hton = 1, \
 492                 .offset = offsetof(s, f), \
 493                 .size = sizeof(((s *)0)->f), \
 494         })
 495
 496 /** Same as ARGS_ENTRY_HTON() for a single argument, without structure. */
 497 #define ARG_ENTRY_HTON(s) \
 498         (&(const struct arg){ \
 499                 .hton = 1, \
 500                 .offset = 0, \
 501                 .size = sizeof(s), \
 502         })
 503
 504 /** Parser output buffer layout expected by cmd_flow_parsed(). */
 505 struct buffer {
 506         enum index command; /**< Flow command. */
 507         portid_t port; /**< Affected port ID. */
 508         union {
 509                 struct {
 510                         struct rte_flow_attr attr;
 511                         struct rte_flow_item *pattern;
 512                         struct rte_flow_action *actions;
 513                         uint32_t pattern_n;
 514                         uint32_t actions_n;
 515                         uint8_t *data;
 516                 } vc; /**< Validate/create arguments. */
 517                 struct {
 518                         uint32_t *rule;
 519                         uint32_t rule_n;
 520                 } destroy; /**< Destroy arguments. */
 521                 struct {
 522                         uint32_t rule;
 523                         struct rte_flow_action action;
 524                 } query; /**< Query arguments. */
 525                 struct {
 526                         uint32_t *group;
 527                         uint32_t group_n;
 528                 } list; /**< List arguments. */
 529                 struct {
 530                         int set;
 531                 } isolate; /**< Isolated mode arguments. */
 532         } args; /**< Command arguments. */
 533 };
 534
 535 /** Private data for pattern items. */
 536 struct parse_item_priv {
 537         enum rte_flow_item_type type; /**< Item type. */
 538         uint32_t size; /**< Size of item specification structure. */
 539 };
 540
 541 #define PRIV_ITEM(t, s) \
 542         (&(const struct parse_item_priv){ \
 543                 .type = RTE_FLOW_ITEM_TYPE_ ## t, \
 544                 .size = s, \
 545         })
 546
 547 /** Private data for actions. */
 548 struct parse_action_priv {
 549         enum rte_flow_action_type type; /**< Action type. */
 550         uint32_t size; /**< Size of action configuration structure. */
 551 };
 552
 553 #define PRIV_ACTION(t, s) \
 554         (&(const struct parse_action_priv){ \
 555                 .type = RTE_FLOW_ACTION_TYPE_ ## t, \
 556                 .size = s, \
 557         })
 558
 559 static const enum index next_vc_attr[] = {
 560         GROUP,
 561         PRIORITY,
 562         INGRESS,
 563         EGRESS,
 564         TRANSFER,
 565         PATTERN,
 566         ZERO,
 567 };
 568
 569 static const enum index next_destroy_attr[] = {
 570         DESTROY_RULE,
 571         END,
 572         ZERO,
 573 };
 574
 575 static const enum index next_list_attr[] = {
 576         LIST_GROUP,
 577         END,
 578         ZERO,
 579 };
 580
 581 static const enum index item_param[] = {
 582         ITEM_PARAM_IS,
 583         ITEM_PARAM_SPEC,
 584         ITEM_PARAM_LAST,
 585         ITEM_PARAM_MASK,
 586         ITEM_PARAM_PREFIX,
 587         ZERO,
 588 };
 589
 590 static const enum index next_item[] = {
 591         ITEM_END,
 592         ITEM_VOID,
 593         ITEM_INVERT,
 594         ITEM_ANY,
 595         ITEM_PF,
 596         ITEM_VF,
 597         ITEM_PHY_PORT,
 598         ITEM_PORT_ID,
 599         ITEM_MARK,
 600         ITEM_RAW,
 601         ITEM_ETH,
 602         ITEM_VLAN,
 603         ITEM_IPV4,
 604         ITEM_IPV6,
 605         ITEM_ICMP,
 606         ITEM_UDP,
 607         ITEM_TCP,
 608         ITEM_SCTP,
 609         ITEM_VXLAN,
 610         ITEM_E_TAG,
 611         ITEM_NVGRE,
 612         ITEM_MPLS,
 613         ITEM_GRE,
 614         ITEM_FUZZY,
 615         ITEM_GTP,
 616         ITEM_GTPC,
 617         ITEM_GTPU,
 618         ITEM_GENEVE,
 619         ITEM_VXLAN_GPE,
 620         ITEM_ARP_ETH_IPV4,
 621         ITEM_IPV6_EXT,
 622         ITEM_ICMP6,
 623         ITEM_ICMP6_ND_NS,
 624         ITEM_ICMP6_ND_NA,
 625         ITEM_ICMP6_ND_OPT,
 626         ITEM_ICMP6_ND_OPT_SLA_ETH,
 627         ITEM_ICMP6_ND_OPT_TLA_ETH,
 628         ITEM_META,
 629         ZERO,
 630 };
 631
 632 static const enum index item_fuzzy[] = {
 633         ITEM_FUZZY_THRESH,
 634         ITEM_NEXT,
 635         ZERO,
 636 };
 637
 638 static const enum index item_any[] = {
 639         ITEM_ANY_NUM,
 640         ITEM_NEXT,
 641         ZERO,
 642 };
 643
 644 static const enum index item_vf[] = {
 645         ITEM_VF_ID,
 646         ITEM_NEXT,
 647         ZERO,
 648 };
 649
 650 static const enum index item_phy_port[] = {
 651         ITEM_PHY_PORT_INDEX,
 652         ITEM_NEXT,
 653         ZERO,
 654 };
 655
 656 static const enum index item_port_id[] = {
 657         ITEM_PORT_ID_ID,
 658         ITEM_NEXT,
 659         ZERO,
 660 };
 661
 662 static const enum index item_mark[] = {
 663         ITEM_MARK_ID,
 664         ITEM_NEXT,
 665         ZERO,
 666 };
 667
 668 static const enum index item_raw[] = {
 669         ITEM_RAW_RELATIVE,
 670         ITEM_RAW_SEARCH,
 671         ITEM_RAW_OFFSET,
 672         ITEM_RAW_LIMIT,
 673         ITEM_RAW_PATTERN,
 674         ITEM_NEXT,
 675         ZERO,
 676 };
 677
 678 static const enum index item_eth[] = {
 679         ITEM_ETH_DST,
 680         ITEM_ETH_SRC,
 681         ITEM_ETH_TYPE,
 682         ITEM_NEXT,
 683         ZERO,
 684 };
 685
 686 static const enum index item_vlan[] = {
 687         ITEM_VLAN_TCI,
 688         ITEM_VLAN_PCP,
 689         ITEM_VLAN_DEI,
 690         ITEM_VLAN_VID,
 691         ITEM_VLAN_INNER_TYPE,
 692         ITEM_NEXT,
 693         ZERO,
 694 };
 695
 696 static const enum index item_ipv4[] = {
 697         ITEM_IPV4_TOS,
 698         ITEM_IPV4_TTL,
 699         ITEM_IPV4_PROTO,
 700         ITEM_IPV4_SRC,
 701         ITEM_IPV4_DST,
 702         ITEM_NEXT,
 703         ZERO,
 704 };
 705
 706 static const enum index item_ipv6[] = {
 707         ITEM_IPV6_TC,
 708         ITEM_IPV6_FLOW,
 709         ITEM_IPV6_PROTO,
 710         ITEM_IPV6_HOP,
 711         ITEM_IPV6_SRC,
 712         ITEM_IPV6_DST,
 713         ITEM_NEXT,
 714         ZERO,
 715 };
 716
 717 static const enum index item_icmp[] = {
 718         ITEM_ICMP_TYPE,
 719         ITEM_ICMP_CODE,
 720         ITEM_NEXT,
 721         ZERO,
 722 };
 723
 724 static const enum index item_udp[] = {
 725         ITEM_UDP_SRC,
 726         ITEM_UDP_DST,
 727         ITEM_NEXT,
 728         ZERO,
 729 };
 730
 731 static const enum index item_tcp[] = {
 732         ITEM_TCP_SRC,
 733         ITEM_TCP_DST,
 734         ITEM_TCP_FLAGS,
 735         ITEM_NEXT,
 736         ZERO,
 737 };
 738
 739 static const enum index item_sctp[] = {
 740         ITEM_SCTP_SRC,
 741         ITEM_SCTP_DST,
 742         ITEM_SCTP_TAG,
 743         ITEM_SCTP_CKSUM,
 744         ITEM_NEXT,
 745         ZERO,
 746 };
 747
 748 static const enum index item_vxlan[] = {
 749         ITEM_VXLAN_VNI,
 750         ITEM_NEXT,
 751         ZERO,
 752 };
 753
 754 static const enum index item_e_tag[] = {
 755         ITEM_E_TAG_GRP_ECID_B,
 756         ITEM_NEXT,
 757         ZERO,
 758 };
 759
 760 static const enum index item_nvgre[] = {
 761         ITEM_NVGRE_TNI,
 762         ITEM_NEXT,
 763         ZERO,
 764 };
 765
 766 static const enum index item_mpls[] = {
 767         ITEM_MPLS_LABEL,
 768         ITEM_NEXT,
 769         ZERO,
 770 };
 771
 772 static const enum index item_gre[] = {
 773         ITEM_GRE_PROTO,
 774         ITEM_NEXT,
 775         ZERO,
 776 };
 777
 778 static const enum index item_gtp[] = {
 779         ITEM_GTP_TEID,
 780         ITEM_NEXT,
 781         ZERO,
 782 };
 783
 784 static const enum index item_geneve[] = {
 785         ITEM_GENEVE_VNI,
 786         ITEM_GENEVE_PROTO,
 787         ITEM_NEXT,
 788         ZERO,
 789 };
 790
 791 static const enum index item_vxlan_gpe[] = {
 792         ITEM_VXLAN_GPE_VNI,
 793         ITEM_NEXT,
 794         ZERO,
 795 };
 796
 797 static const enum index item_arp_eth_ipv4[] = {
 798         ITEM_ARP_ETH_IPV4_SHA,
 799         ITEM_ARP_ETH_IPV4_SPA,
 800         ITEM_ARP_ETH_IPV4_THA,
 801         ITEM_ARP_ETH_IPV4_TPA,
 802         ITEM_NEXT,
 803         ZERO,
 804 };
 805
 806 static const enum index item_ipv6_ext[] = {
 807         ITEM_IPV6_EXT_NEXT_HDR,
 808         ITEM_NEXT,
 809         ZERO,
 810 };
 811
 812 static const enum index item_icmp6[] = {
 813         ITEM_ICMP6_TYPE,
 814         ITEM_ICMP6_CODE,
 815         ITEM_NEXT,
 816         ZERO,
 817 };
 818
 819 static const enum index item_icmp6_nd_ns[] = {
 820         ITEM_ICMP6_ND_NS_TARGET_ADDR,
 821         ITEM_NEXT,
 822         ZERO,
 823 };
 824
 825 static const enum index item_icmp6_nd_na[] = {
 826         ITEM_ICMP6_ND_NA_TARGET_ADDR,
 827         ITEM_NEXT,
 828         ZERO,
 829 };
 830
 831 static const enum index item_icmp6_nd_opt[] = {
 832         ITEM_ICMP6_ND_OPT_TYPE,
 833         ITEM_NEXT,
 834         ZERO,
 835 };
 836
 837 static const enum index item_icmp6_nd_opt_sla_eth[] = {
 838         ITEM_ICMP6_ND_OPT_SLA_ETH_SLA,
 839         ITEM_NEXT,
 840         ZERO,
 841 };
 842
 843 static const enum index item_icmp6_nd_opt_tla_eth[] = {
 844         ITEM_ICMP6_ND_OPT_TLA_ETH_TLA,
 845         ITEM_NEXT,
 846         ZERO,
 847 };
 848
 849 static const enum index item_meta[] = {
 850         ITEM_META_DATA,
 851         ITEM_NEXT,
 852         ZERO,
 853 };
 854
 855 static const enum index next_action[] = {
 856         ACTION_END,
 857         ACTION_VOID,
 858         ACTION_PASSTHRU,
 859         ACTION_JUMP,
 860         ACTION_MARK,
 861         ACTION_FLAG,
 862         ACTION_QUEUE,
 863         ACTION_DROP,
 864         ACTION_COUNT,
 865         ACTION_RSS,
 866         ACTION_PF,
 867         ACTION_VF,
 868         ACTION_PHY_PORT,
 869         ACTION_PORT_ID,
 870         ACTION_METER,
 871         ACTION_OF_SET_MPLS_TTL,
 872         ACTION_OF_DEC_MPLS_TTL,
 873         ACTION_OF_SET_NW_TTL,
 874         ACTION_OF_DEC_NW_TTL,
 875         ACTION_OF_COPY_TTL_OUT,
 876         ACTION_OF_COPY_TTL_IN,
 877         ACTION_OF_POP_VLAN,
 878         ACTION_OF_PUSH_VLAN,
 879         ACTION_OF_SET_VLAN_VID,
 880         ACTION_OF_SET_VLAN_PCP,
 881         ACTION_OF_POP_MPLS,
 882         ACTION_OF_PUSH_MPLS,
 883         ACTION_VXLAN_ENCAP,
 884         ACTION_VXLAN_DECAP,
 885         ACTION_NVGRE_ENCAP,
 886         ACTION_NVGRE_DECAP,
 887         ACTION_L2_ENCAP,
 888         ACTION_L2_DECAP,
 889         ACTION_MPLSOGRE_ENCAP,
 890         ACTION_MPLSOGRE_DECAP,
 891         ACTION_MPLSOUDP_ENCAP,
 892         ACTION_MPLSOUDP_DECAP,
 893         ACTION_SET_IPV4_SRC,
 894         ACTION_SET_IPV4_DST,
 895         ACTION_SET_IPV6_SRC,
 896         ACTION_SET_IPV6_DST,
 897         ACTION_SET_TP_SRC,
 898         ACTION_SET_TP_DST,
 899         ACTION_MAC_SWAP,
 900         ACTION_DEC_TTL,
 901         ACTION_SET_TTL,
 902         ACTION_SET_MAC_SRC,
 903         ACTION_SET_MAC_DST,
 904         ACTION_INC_TCP_SEQ,
 905         ACTION_DEC_TCP_SEQ,
 906         ACTION_INC_TCP_ACK,
 907         ACTION_DEC_TCP_ACK,
 908         ZERO,
 909 };
 910
 911 static const enum index action_mark[] = {
 912         ACTION_MARK_ID,
 913         ACTION_NEXT,
 914         ZERO,
 915 };
 916
 917 static const enum index action_queue[] = {
 918         ACTION_QUEUE_INDEX,
 919         ACTION_NEXT,
 920         ZERO,
 921 };
 922
 923 static const enum index action_count[] = {
 924         ACTION_COUNT_ID,
 925         ACTION_COUNT_SHARED,
 926         ACTION_NEXT,
 927         ZERO,
 928 };
 929
 930 static const enum index action_rss[] = {
 931         ACTION_RSS_FUNC,
 932         ACTION_RSS_LEVEL,
 933         ACTION_RSS_TYPES,
 934         ACTION_RSS_KEY,
 935         ACTION_RSS_KEY_LEN,
 936         ACTION_RSS_QUEUES,
 937         ACTION_NEXT,
 938         ZERO,
 939 };
 940
 941 static const enum index action_vf[] = {
 942         ACTION_VF_ORIGINAL,
 943         ACTION_VF_ID,
 944         ACTION_NEXT,
 945         ZERO,
 946 };
 947
 948 static const enum index action_phy_port[] = {
 949         ACTION_PHY_PORT_ORIGINAL,
 950         ACTION_PHY_PORT_INDEX,
 951         ACTION_NEXT,
 952         ZERO,
 953 };
 954
 955 static const enum index action_port_id[] = {
 956         ACTION_PORT_ID_ORIGINAL,
 957         ACTION_PORT_ID_ID,
 958         ACTION_NEXT,
 959         ZERO,
 960 };
 961
 962 static const enum index action_meter[] = {
 963         ACTION_METER_ID,
 964         ACTION_NEXT,
 965         ZERO,
 966 };
 967
 968 static const enum index action_of_set_mpls_ttl[] = {
 969         ACTION_OF_SET_MPLS_TTL_MPLS_TTL,
 970         ACTION_NEXT,
 971         ZERO,
 972 };
 973
 974 static const enum index action_of_set_nw_ttl[] = {
 975         ACTION_OF_SET_NW_TTL_NW_TTL,
 976         ACTION_NEXT,
 977         ZERO,
 978 };
 979
 980 static const enum index action_of_push_vlan[] = {
 981         ACTION_OF_PUSH_VLAN_ETHERTYPE,
 982         ACTION_NEXT,
 983         ZERO,
 984 };
 985
 986 static const enum index action_of_set_vlan_vid[] = {
 987         ACTION_OF_SET_VLAN_VID_VLAN_VID,
 988         ACTION_NEXT,
 989         ZERO,
 990 };
 991
 992 static const enum index action_of_set_vlan_pcp[] = {
 993         ACTION_OF_SET_VLAN_PCP_VLAN_PCP,
 994         ACTION_NEXT,
 995         ZERO,
 996 };
 997
 998 static const enum index action_of_pop_mpls[] = {
 999         ACTION_OF_POP_MPLS_ETHERTYPE,
1000         ACTION_NEXT,
1001         ZERO,
1002 };
1003
1004 static const enum index action_of_push_mpls[] = {
1005         ACTION_OF_PUSH_MPLS_ETHERTYPE,
1006         ACTION_NEXT,
1007         ZERO,
1008 };
1009
1010 static const enum index action_set_ipv4_src[] = {
1011         ACTION_SET_IPV4_SRC_IPV4_SRC,
1012         ACTION_NEXT,
1013         ZERO,
1014 };
1015
1016 static const enum index action_set_mac_src[] = {
1017         ACTION_SET_MAC_SRC_MAC_SRC,
1018         ACTION_NEXT,
1019         ZERO,
1020 };
1021
1022 static const enum index action_set_ipv4_dst[] = {
1023         ACTION_SET_IPV4_DST_IPV4_DST,
1024         ACTION_NEXT,
1025         ZERO,
1026 };
1027
1028 static const enum index action_set_ipv6_src[] = {
1029         ACTION_SET_IPV6_SRC_IPV6_SRC,
1030         ACTION_NEXT,
1031         ZERO,
1032 };
1033
1034 static const enum index action_set_ipv6_dst[] = {
1035         ACTION_SET_IPV6_DST_IPV6_DST,
1036         ACTION_NEXT,
1037         ZERO,
1038 };
1039
1040 static const enum index action_set_tp_src[] = {
1041         ACTION_SET_TP_SRC_TP_SRC,
1042         ACTION_NEXT,
1043         ZERO,
1044 };
1045
1046 static const enum index action_set_tp_dst[] = {
1047         ACTION_SET_TP_DST_TP_DST,
1048         ACTION_NEXT,
1049         ZERO,
1050 };
1051
1052 static const enum index action_set_ttl[] = {
1053         ACTION_SET_TTL_TTL,
1054         ACTION_NEXT,
1055         ZERO,
1056 };
1057
1058 static const enum index action_jump[] = {
1059         ACTION_JUMP_GROUP,
1060         ACTION_NEXT,
1061         ZERO,
1062 };
1063
1064 static const enum index action_set_mac_dst[] = {
1065         ACTION_SET_MAC_DST_MAC_DST,
1066         ACTION_NEXT,
1067         ZERO,
1068 };
1069
1070 static const enum index action_inc_tcp_seq[] = {
1071         ACTION_INC_TCP_SEQ_VALUE,
1072         ACTION_NEXT,
1073         ZERO,
1074 };
1075
1076 static const enum index action_dec_tcp_seq[] = {
1077         ACTION_DEC_TCP_SEQ_VALUE,
1078         ACTION_NEXT,
1079         ZERO,
1080 };
1081
1082 static const enum index action_inc_tcp_ack[] = {
1083         ACTION_INC_TCP_ACK_VALUE,
1084         ACTION_NEXT,
1085         ZERO,
1086 };
1087
1088 static const enum index action_dec_tcp_ack[] = {
1089         ACTION_DEC_TCP_ACK_VALUE,
1090         ACTION_NEXT,
1091         ZERO,
1092 };
1093
1094 static int parse_init(struct context *, const struct token *,
1095                       const char *, unsigned int,
1096                       void *, unsigned int);
1097 static int parse_vc(struct context *, const struct token *,
1098                     const char *, unsigned int,
1099                     void *, unsigned int);
1100 static int parse_vc_spec(struct context *, const struct token *,
1101                          const char *, unsigned int, void *, unsigned int);
1102 static int parse_vc_conf(struct context *, const struct token *,
1103                          const char *, unsigned int, void *, unsigned int);
1104 static int parse_vc_action_rss(struct context *, const struct token *,
1105                                const char *, unsigned int, void *,
1106                                unsigned int);
1107 static int parse_vc_action_rss_func(struct context *, const struct token *,
1108                                     const char *, unsigned int, void *,
1109                                     unsigned int);
1110 static int parse_vc_action_rss_type(struct context *, const struct token *,
1111                                     const char *, unsigned int, void *,
1112                                     unsigned int);
1113 static int parse_vc_action_rss_queue(struct context *, const struct token *,
1114                                      const char *, unsigned int, void *,
1115                                      unsigned int);
1116 static int parse_vc_action_vxlan_encap(struct context *, const struct token *,
1117                                        const char *, unsigned int, void *,
1118                                        unsigned int);
1119 static int parse_vc_action_nvgre_encap(struct context *, const struct token *,
1120                                        const char *, unsigned int, void *,
1121                                        unsigned int);
1122 static int parse_vc_action_l2_encap(struct context *, const struct token *,
1123                                     const char *, unsigned int, void *,
1124                                     unsigned int);
1125 static int parse_vc_action_l2_decap(struct context *, const struct token *,
1126                                     const char *, unsigned int, void *,
1127                                     unsigned int);
1128 static int parse_vc_action_mplsogre_encap(struct context *,
1129                                           const struct token *, const char *,
1130                                           unsigned int, void *, unsigned int);
1131 static int parse_vc_action_mplsogre_decap(struct context *,
1132                                           const struct token *, const char *,
1133                                           unsigned int, void *, unsigned int);
1134 static int parse_vc_action_mplsoudp_encap(struct context *,
1135                                           const struct token *, const char *,
1136                                           unsigned int, void *, unsigned int);
1137 static int parse_vc_action_mplsoudp_decap(struct context *,
1138                                           const struct token *, const char *,
1139                                           unsigned int, void *, unsigned int);
1140 static int parse_destroy(struct context *, const struct token *,
1141                          const char *, unsigned int,
1142                          void *, unsigned int);
1143 static int parse_flush(struct context *, const struct token *,
1144                        const char *, unsigned int,
1145                        void *, unsigned int);
1146 static int parse_query(struct context *, const struct token *,
1147                        const char *, unsigned int,
1148                        void *, unsigned int);
1149 static int parse_action(struct context *, const struct token *,
1150                         const char *, unsigned int,
1151                         void *, unsigned int);
1152 static int parse_list(struct context *, const struct token *,
1153                       const char *, unsigned int,
1154                       void *, unsigned int);
1155 static int parse_isolate(struct context *, const struct token *,
1156                          const char *, unsigned int,
1157                          void *, unsigned int);
1158 static int parse_int(struct context *, const struct token *,
1159                      const char *, unsigned int,
1160                      void *, unsigned int);
1161 static int parse_prefix(struct context *, const struct token *,
1162                         const char *, unsigned int,
1163                         void *, unsigned int);
1164 static int parse_boolean(struct context *, const struct token *,
1165                          const char *, unsigned int,
1166                          void *, unsigned int);
1167 static int parse_string(struct context *, const struct token *,
1168                         const char *, unsigned int,
1169                         void *, unsigned int);
1170 static int parse_hex(struct context *ctx, const struct token *token,
1171                         const char *str, unsigned int len,
1172                         void *buf, unsigned int size);
1173 static int parse_mac_addr(struct context *, const struct token *,
1174                           const char *, unsigned int,
1175                           void *, unsigned int);
1176 static int parse_ipv4_addr(struct context *, const struct token *,
1177                            const char *, unsigned int,
1178                            void *, unsigned int);
1179 static int parse_ipv6_addr(struct context *, const struct token *,
1180                            const char *, unsigned int,
1181                            void *, unsigned int);
1182 static int parse_port(struct context *, const struct token *,
1183                       const char *, unsigned int,
1184                       void *, unsigned int);
1185 static int comp_none(struct context *, const struct token *,
1186                      unsigned int, char *, unsigned int);
1187 static int comp_boolean(struct context *, const struct token *,
1188                         unsigned int, char *, unsigned int);
1189 static int comp_action(struct context *, const struct token *,
1190                        unsigned int, char *, unsigned int);
1191 static int comp_port(struct context *, const struct token *,
1192                      unsigned int, char *, unsigned int);
1193 static int comp_rule_id(struct context *, const struct token *,
1194                         unsigned int, char *, unsigned int);
1195 static int comp_vc_action_rss_type(struct context *, const struct token *,
1196                                    unsigned int, char *, unsigned int);
1197 static int comp_vc_action_rss_queue(struct context *, const struct token *,
1198                                     unsigned int, char *, unsigned int);
1199
1200 /** Token definitions. */
1201 static const struct token token_list[] = {
1202         /* Special tokens. */
1203         [ZERO] = {
1204                 .name = "ZERO",
1205                 .help = "null entry, abused as the entry point",
1206                 .next = NEXT(NEXT_ENTRY(FLOW)),
1207         },
1208         [END] = {
1209                 .name = "",
1210                 .type = "RETURN",
1211                 .help = "command may end here",
1212         },
1213         /* Common tokens. */
1214         [INTEGER] = {
1215                 .name = "{int}",
1216                 .type = "INTEGER",
1217                 .help = "integer value",
1218                 .call = parse_int,
1219                 .comp = comp_none,
1220         },
1221         [UNSIGNED] = {
1222                 .name = "{unsigned}",
1223                 .type = "UNSIGNED",
1224                 .help = "unsigned integer value",
1225                 .call = parse_int,
1226                 .comp = comp_none,
1227         },
1228         [PREFIX] = {
1229                 .name = "{prefix}",
1230                 .type = "PREFIX",
1231                 .help = "prefix length for bit-mask",
1232                 .call = parse_prefix,
1233                 .comp = comp_none,
1234         },
1235         [BOOLEAN] = {
1236                 .name = "{boolean}",
1237                 .type = "BOOLEAN",
1238                 .help = "any boolean value",
1239                 .call = parse_boolean,
1240                 .comp = comp_boolean,
1241         },
1242         [STRING] = {
1243                 .name = "{string}",
1244                 .type = "STRING",
1245                 .help = "fixed string",
1246                 .call = parse_string,
1247                 .comp = comp_none,
1248         },
1249         [HEX] = {
1250                 .name = "{hex}",
1251                 .type = "HEX",
1252                 .help = "fixed string",
1253                 .call = parse_hex,
1254                 .comp = comp_none,
1255         },
1256         [MAC_ADDR] = {
1257                 .name = "{MAC address}",
1258                 .type = "MAC-48",
1259                 .help = "standard MAC address notation",
1260                 .call = parse_mac_addr,
1261                 .comp = comp_none,
1262         },
1263         [IPV4_ADDR] = {
1264                 .name = "{IPv4 address}",
1265                 .type = "IPV4 ADDRESS",
1266                 .help = "standard IPv4 address notation",
1267                 .call = parse_ipv4_addr,
1268                 .comp = comp_none,
1269         },
1270         [IPV6_ADDR] = {
1271                 .name = "{IPv6 address}",
1272                 .type = "IPV6 ADDRESS",
1273                 .help = "standard IPv6 address notation",
1274                 .call = parse_ipv6_addr,
1275                 .comp = comp_none,
1276         },
1277         [RULE_ID] = {
1278                 .name = "{rule id}",
1279                 .type = "RULE ID",
1280                 .help = "rule identifier",
1281                 .call = parse_int,
1282                 .comp = comp_rule_id,
1283         },
1284         [PORT_ID] = {
1285                 .name = "{port_id}",
1286                 .type = "PORT ID",
1287                 .help = "port identifier",
1288                 .call = parse_port,
1289                 .comp = comp_port,
1290         },
1291         [GROUP_ID] = {
1292                 .name = "{group_id}",
1293                 .type = "GROUP ID",
1294                 .help = "group identifier",
1295                 .call = parse_int,
1296                 .comp = comp_none,
1297         },
1298         [PRIORITY_LEVEL] = {
1299                 .name = "{level}",
1300                 .type = "PRIORITY",
1301                 .help = "priority level",
1302                 .call = parse_int,
1303                 .comp = comp_none,
1304         },
1305         /* Top-level command. */
1306         [FLOW] = {
1307                 .name = "flow",
1308                 .type = "{command} {port_id} [{arg} [...]]",
1309                 .help = "manage ingress/egress flow rules",
1310                 .next = NEXT(NEXT_ENTRY
1311                              (VALIDATE,
1312                               CREATE,
1313                               DESTROY,
1314                               FLUSH,
1315                               LIST,
1316                               QUERY,
1317                               ISOLATE)),
1318                 .call = parse_init,
1319         },
1320         /* Sub-level commands. */
1321         [VALIDATE] = {
1322                 .name = "validate",
1323                 .help = "check whether a flow rule can be created",
1324                 .next = NEXT(next_vc_attr, NEXT_ENTRY(PORT_ID)),
1325                 .args = ARGS(ARGS_ENTRY(struct buffer, port)),
1326                 .call = parse_vc,
1327         },
1328         [CREATE] = {
1329                 .name = "create",
1330                 .help = "create a flow rule",
1331                 .next = NEXT(next_vc_attr, NEXT_ENTRY(PORT_ID)),
1332                 .args = ARGS(ARGS_ENTRY(struct buffer, port)),
1333                 .call = parse_vc,
1334         },
1335         [DESTROY] = {
1336                 .name = "destroy",
1337                 .help = "destroy specific flow rules",
1338                 .next = NEXT(NEXT_ENTRY(DESTROY_RULE), NEXT_ENTRY(PORT_ID)),
1339                 .args = ARGS(ARGS_ENTRY(struct buffer, port)),
1340                 .call = parse_destroy,
1341         },
1342         [FLUSH] = {
1343                 .name = "flush",
1344                 .help = "destroy all flow rules",
1345                 .next = NEXT(NEXT_ENTRY(PORT_ID)),
1346                 .args = ARGS(ARGS_ENTRY(struct buffer, port)),
1347                 .call = parse_flush,
1348         },
1349         [QUERY] = {
1350                 .name = "query",
1351                 .help = "query an existing flow rule",
1352                 .next = NEXT(NEXT_ENTRY(QUERY_ACTION),
1353                              NEXT_ENTRY(RULE_ID),
1354                              NEXT_ENTRY(PORT_ID)),
1355                 .args = ARGS(ARGS_ENTRY(struct buffer, args.query.action.type),
1356                              ARGS_ENTRY(struct buffer, args.query.rule),
1357                              ARGS_ENTRY(struct buffer, port)),
1358                 .call = parse_query,
1359         },
1360         [LIST] = {
1361                 .name = "list",
1362                 .help = "list existing flow rules",
1363                 .next = NEXT(next_list_attr, NEXT_ENTRY(PORT_ID)),
1364                 .args = ARGS(ARGS_ENTRY(struct buffer, port)),
1365                 .call = parse_list,
1366         },
1367         [ISOLATE] = {
1368                 .name = "isolate",
1369                 .help = "restrict ingress traffic to the defined flow rules",
1370                 .next = NEXT(NEXT_ENTRY(BOOLEAN),
1371                              NEXT_ENTRY(PORT_ID)),
1372                 .args = ARGS(ARGS_ENTRY(struct buffer, args.isolate.set),
1373                              ARGS_ENTRY(struct buffer, port)),
1374                 .call = parse_isolate,
1375         },
1376         /* Destroy arguments. */
1377         [DESTROY_RULE] = {
1378                 .name = "rule",
1379                 .help = "specify a rule identifier",
1380                 .next = NEXT(next_destroy_attr, NEXT_ENTRY(RULE_ID)),
1381                 .args = ARGS(ARGS_ENTRY_PTR(struct buffer, args.destroy.rule)),
1382                 .call = parse_destroy,
1383         },
1384         /* Query arguments. */
1385         [QUERY_ACTION] = {
1386                 .name = "{action}",
1387                 .type = "ACTION",
1388                 .help = "action to query, must be part of the rule",
1389                 .call = parse_action,
1390                 .comp = comp_action,
1391         },
1392         /* List arguments. */
1393         [LIST_GROUP] = {
1394                 .name = "group",
1395                 .help = "specify a group",
1396                 .next = NEXT(next_list_attr, NEXT_ENTRY(GROUP_ID)),
1397                 .args = ARGS(ARGS_ENTRY_PTR(struct buffer, args.list.group)),
1398                 .call = parse_list,
1399         },
1400         /* Validate/create attributes. */
1401         [GROUP] = {
1402                 .name = "group",
1403                 .help = "specify a group",
1404                 .next = NEXT(next_vc_attr, NEXT_ENTRY(GROUP_ID)),
1405                 .args = ARGS(ARGS_ENTRY(struct rte_flow_attr, group)),
1406                 .call = parse_vc,
1407         },
1408         [PRIORITY] = {
1409                 .name = "priority",
1410                 .help = "specify a priority level",
1411                 .next = NEXT(next_vc_attr, NEXT_ENTRY(PRIORITY_LEVEL)),
1412                 .args = ARGS(ARGS_ENTRY(struct rte_flow_attr, priority)),
1413                 .call = parse_vc,
1414         },
1415         [INGRESS] = {
1416                 .name = "ingress",
1417                 .help = "affect rule to ingress",
1418                 .next = NEXT(next_vc_attr),
1419                 .call = parse_vc,
1420         },
1421         [EGRESS] = {
1422                 .name = "egress",
1423                 .help = "affect rule to egress",
1424                 .next = NEXT(next_vc_attr),
1425                 .call = parse_vc,
1426         },
1427         [TRANSFER] = {
1428                 .name = "transfer",
1429                 .help = "apply rule directly to endpoints found in pattern",
1430                 .next = NEXT(next_vc_attr),
1431                 .call = parse_vc,
1432         },
1433         /* Validate/create pattern. */
1434         [PATTERN] = {
1435                 .name = "pattern",
1436                 .help = "submit a list of pattern items",
1437                 .next = NEXT(next_item),
1438                 .call = parse_vc,
1439         },
1440         [ITEM_PARAM_IS] = {
1441                 .name = "is",
1442                 .help = "match value perfectly (with full bit-mask)",
1443                 .call = parse_vc_spec,
1444         },
1445         [ITEM_PARAM_SPEC] = {
1446                 .name = "spec",
1447                 .help = "match value according to configured bit-mask",
1448                 .call = parse_vc_spec,
1449         },
1450         [ITEM_PARAM_LAST] = {
1451                 .name = "last",
1452                 .help = "specify upper bound to establish a range",
1453                 .call = parse_vc_spec,
1454         },
1455         [ITEM_PARAM_MASK] = {
1456                 .name = "mask",
1457                 .help = "specify bit-mask with relevant bits set to one",
1458                 .call = parse_vc_spec,
1459         },
1460         [ITEM_PARAM_PREFIX] = {
1461                 .name = "prefix",
1462                 .help = "generate bit-mask from a prefix length",
1463                 .call = parse_vc_spec,
1464         },
1465         [ITEM_NEXT] = {
1466                 .name = "/",
1467                 .help = "specify next pattern item",
1468                 .next = NEXT(next_item),
1469         },
1470         [ITEM_END] = {
1471                 .name = "end",
1472                 .help = "end list of pattern items",
1473                 .priv = PRIV_ITEM(END, 0),
1474                 .next = NEXT(NEXT_ENTRY(ACTIONS)),
1475                 .call = parse_vc,
1476         },
1477         [ITEM_VOID] = {
1478                 .name = "void",
1479                 .help = "no-op pattern item",
1480                 .priv = PRIV_ITEM(VOID, 0),
1481                 .next = NEXT(NEXT_ENTRY(ITEM_NEXT)),
1482                 .call = parse_vc,
1483         },
1484         [ITEM_INVERT] = {
1485                 .name = "invert",
1486                 .help = "perform actions when pattern does not match",
1487                 .priv = PRIV_ITEM(INVERT, 0),
1488                 .next = NEXT(NEXT_ENTRY(ITEM_NEXT)),
1489                 .call = parse_vc,
1490         },
1491         [ITEM_ANY] = {
1492                 .name = "any",
1493                 .help = "match any protocol for the current layer",
1494                 .priv = PRIV_ITEM(ANY, sizeof(struct rte_flow_item_any)),
1495                 .next = NEXT(item_any),
1496                 .call = parse_vc,
1497         },
1498         [ITEM_ANY_NUM] = {
1499                 .name = "num",
1500                 .help = "number of layers covered",
1501                 .next = NEXT(item_any, NEXT_ENTRY(UNSIGNED), item_param),
1502                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_any, num)),
1503         },
1504         [ITEM_PF] = {
1505                 .name = "pf",
1506                 .help = "match traffic from/to the physical function",
1507                 .priv = PRIV_ITEM(PF, 0),
1508                 .next = NEXT(NEXT_ENTRY(ITEM_NEXT)),
1509                 .call = parse_vc,
1510         },
1511         [ITEM_VF] = {
1512                 .name = "vf",
1513                 .help = "match traffic from/to a virtual function ID",
1514                 .priv = PRIV_ITEM(VF, sizeof(struct rte_flow_item_vf)),
1515                 .next = NEXT(item_vf),
1516                 .call = parse_vc,
1517         },
1518         [ITEM_VF_ID] = {
1519                 .name = "id",
1520                 .help = "VF ID",
1521                 .next = NEXT(item_vf, NEXT_ENTRY(UNSIGNED), item_param),
1522                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_vf, id)),
1523         },
1524         [ITEM_PHY_PORT] = {
1525                 .name = "phy_port",
1526                 .help = "match traffic from/to a specific physical port",
1527                 .priv = PRIV_ITEM(PHY_PORT,
1528                                   sizeof(struct rte_flow_item_phy_port)),
1529                 .next = NEXT(item_phy_port),
1530                 .call = parse_vc,
1531         },
1532         [ITEM_PHY_PORT_INDEX] = {
1533                 .name = "index",
1534                 .help = "physical port index",
1535                 .next = NEXT(item_phy_port, NEXT_ENTRY(UNSIGNED), item_param),
1536                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_phy_port, index)),
1537         },
1538         [ITEM_PORT_ID] = {
1539                 .name = "port_id",
1540                 .help = "match traffic from/to a given DPDK port ID",
1541                 .priv = PRIV_ITEM(PORT_ID,
1542                                   sizeof(struct rte_flow_item_port_id)),
1543                 .next = NEXT(item_port_id),
1544                 .call = parse_vc,
1545         },
1546         [ITEM_PORT_ID_ID] = {
1547                 .name = "id",
1548                 .help = "DPDK port ID",
1549                 .next = NEXT(item_port_id, NEXT_ENTRY(UNSIGNED), item_param),
1550                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_port_id, id)),
1551         },
1552         [ITEM_MARK] = {
1553                 .name = "mark",
1554                 .help = "match traffic against value set in previously matched rule",
1555                 .priv = PRIV_ITEM(MARK, sizeof(struct rte_flow_item_mark)),
1556                 .next = NEXT(item_mark),
1557                 .call = parse_vc,
1558         },
1559         [ITEM_MARK_ID] = {
1560                 .name = "id",
1561                 .help = "Integer value to match against",
1562                 .next = NEXT(item_mark, NEXT_ENTRY(UNSIGNED), item_param),
1563                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_mark, id)),
1564         },
1565         [ITEM_RAW] = {
1566                 .name = "raw",
1567                 .help = "match an arbitrary byte string",
1568                 .priv = PRIV_ITEM(RAW, ITEM_RAW_SIZE),
1569                 .next = NEXT(item_raw),
1570                 .call = parse_vc,
1571         },
1572         [ITEM_RAW_RELATIVE] = {
1573                 .name = "relative",
1574                 .help = "look for pattern after the previous item",
1575                 .next = NEXT(item_raw, NEXT_ENTRY(BOOLEAN), item_param),
1576                 .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_item_raw,
1577                                            relative, 1)),
1578         },
1579         [ITEM_RAW_SEARCH] = {
1580                 .name = "search",
1581                 .help = "search pattern from offset (see also limit)",
1582                 .next = NEXT(item_raw, NEXT_ENTRY(BOOLEAN), item_param),
1583                 .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_item_raw,
1584                                            search, 1)),
1585         },
1586         [ITEM_RAW_OFFSET] = {
1587                 .name = "offset",
1588                 .help = "absolute or relative offset for pattern",
1589                 .next = NEXT(item_raw, NEXT_ENTRY(INTEGER), item_param),
1590                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_raw, offset)),
1591         },
1592         [ITEM_RAW_LIMIT] = {
1593                 .name = "limit",
1594                 .help = "search area limit for start of pattern",
1595                 .next = NEXT(item_raw, NEXT_ENTRY(UNSIGNED), item_param),
1596                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_raw, limit)),
1597         },
1598         [ITEM_RAW_PATTERN] = {
1599                 .name = "pattern",
1600                 .help = "byte string to look for",
1601                 .next = NEXT(item_raw,
1602                              NEXT_ENTRY(STRING),
1603                              NEXT_ENTRY(ITEM_PARAM_IS,
1604                                         ITEM_PARAM_SPEC,
1605                                         ITEM_PARAM_MASK)),
1606                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_raw, pattern),
1607                              ARGS_ENTRY(struct rte_flow_item_raw, length),
1608                              ARGS_ENTRY_ARB(sizeof(struct rte_flow_item_raw),
1609                                             ITEM_RAW_PATTERN_SIZE)),
1610         },
1611         [ITEM_ETH] = {
1612                 .name = "eth",
1613                 .help = "match Ethernet header",
1614                 .priv = PRIV_ITEM(ETH, sizeof(struct rte_flow_item_eth)),
1615                 .next = NEXT(item_eth),
1616                 .call = parse_vc,
1617         },
1618         [ITEM_ETH_DST] = {
1619                 .name = "dst",
1620                 .help = "destination MAC",
1621                 .next = NEXT(item_eth, NEXT_ENTRY(MAC_ADDR), item_param),
1622                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_eth, dst)),
1623         },
1624         [ITEM_ETH_SRC] = {
1625                 .name = "src",
1626                 .help = "source MAC",
1627                 .next = NEXT(item_eth, NEXT_ENTRY(MAC_ADDR), item_param),
1628                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_eth, src)),
1629         },
1630         [ITEM_ETH_TYPE] = {
1631                 .name = "type",
1632                 .help = "EtherType",
1633                 .next = NEXT(item_eth, NEXT_ENTRY(UNSIGNED), item_param),
1634                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_eth, type)),
1635         },
1636         [ITEM_VLAN] = {
1637                 .name = "vlan",
1638                 .help = "match 802.1Q/ad VLAN tag",
1639                 .priv = PRIV_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)),
1640                 .next = NEXT(item_vlan),
1641                 .call = parse_vc,
1642         },
1643         [ITEM_VLAN_TCI] = {
1644                 .name = "tci",
1645                 .help = "tag control information",
1646                 .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param),
1647                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vlan, tci)),
1648         },
1649         [ITEM_VLAN_PCP] = {
1650                 .name = "pcp",
1651                 .help = "priority code point",
1652                 .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param),
1653                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_vlan,
1654                                                   tci, "\xe0\x00")),
1655         },
1656         [ITEM_VLAN_DEI] = {
1657                 .name = "dei",
1658                 .help = "drop eligible indicator",
1659                 .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param),
1660                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_vlan,
1661                                                   tci, "\x10\x00")),
1662         },
1663         [ITEM_VLAN_VID] = {
1664                 .name = "vid",
1665                 .help = "VLAN identifier",
1666                 .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param),
1667                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_vlan,
1668                                                   tci, "\x0f\xff")),
1669         },
1670         [ITEM_VLAN_INNER_TYPE] = {
1671                 .name = "inner_type",
1672                 .help = "inner EtherType",
1673                 .next = NEXT(item_vlan, NEXT_ENTRY(UNSIGNED), item_param),
1674                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vlan,
1675                                              inner_type)),
1676         },
1677         [ITEM_IPV4] = {
1678                 .name = "ipv4",
1679                 .help = "match IPv4 header",
1680                 .priv = PRIV_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)),
1681                 .next = NEXT(item_ipv4),
1682                 .call = parse_vc,
1683         },
1684         [ITEM_IPV4_TOS] = {
1685                 .name = "tos",
1686                 .help = "type of service",
1687                 .next = NEXT(item_ipv4, NEXT_ENTRY(UNSIGNED), item_param),
1688                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
1689                                              hdr.type_of_service)),
1690         },
1691         [ITEM_IPV4_TTL] = {
1692                 .name = "ttl",
1693                 .help = "time to live",
1694                 .next = NEXT(item_ipv4, NEXT_ENTRY(UNSIGNED), item_param),
1695                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
1696                                              hdr.time_to_live)),
1697         },
1698         [ITEM_IPV4_PROTO] = {
1699                 .name = "proto",
1700                 .help = "next protocol ID",
1701                 .next = NEXT(item_ipv4, NEXT_ENTRY(UNSIGNED), item_param),
1702                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
1703                                              hdr.next_proto_id)),
1704         },
1705         [ITEM_IPV4_SRC] = {
1706                 .name = "src",
1707                 .help = "source address",
1708                 .next = NEXT(item_ipv4, NEXT_ENTRY(IPV4_ADDR), item_param),
1709                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
1710                                              hdr.src_addr)),
1711         },
1712         [ITEM_IPV4_DST] = {
1713                 .name = "dst",
1714                 .help = "destination address",
1715                 .next = NEXT(item_ipv4, NEXT_ENTRY(IPV4_ADDR), item_param),
1716                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv4,
1717                                              hdr.dst_addr)),
1718         },
1719         [ITEM_IPV6] = {
1720                 .name = "ipv6",
1721                 .help = "match IPv6 header",
1722                 .priv = PRIV_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)),
1723                 .next = NEXT(item_ipv6),
1724                 .call = parse_vc,
1725         },
1726         [ITEM_IPV6_TC] = {
1727                 .name = "tc",
1728                 .help = "traffic class",
1729                 .next = NEXT(item_ipv6, NEXT_ENTRY(UNSIGNED), item_param),
1730                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_ipv6,
1731                                                   hdr.vtc_flow,
1732                                                   "\x0f\xf0\x00\x00")),
1733         },
1734         [ITEM_IPV6_FLOW] = {
1735                 .name = "flow",
1736                 .help = "flow label",
1737                 .next = NEXT(item_ipv6, NEXT_ENTRY(UNSIGNED), item_param),
1738                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_ipv6,
1739                                                   hdr.vtc_flow,
1740                                                   "\x00\x0f\xff\xff")),
1741         },
1742         [ITEM_IPV6_PROTO] = {
1743                 .name = "proto",
1744                 .help = "protocol (next header)",
1745                 .next = NEXT(item_ipv6, NEXT_ENTRY(UNSIGNED), item_param),
1746                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6,
1747                                              hdr.proto)),
1748         },
1749         [ITEM_IPV6_HOP] = {
1750                 .name = "hop",
1751                 .help = "hop limit",
1752                 .next = NEXT(item_ipv6, NEXT_ENTRY(UNSIGNED), item_param),
1753                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6,
1754                                              hdr.hop_limits)),
1755         },
1756         [ITEM_IPV6_SRC] = {
1757                 .name = "src",
1758                 .help = "source address",
1759                 .next = NEXT(item_ipv6, NEXT_ENTRY(IPV6_ADDR), item_param),
1760                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6,
1761                                              hdr.src_addr)),
1762         },
1763         [ITEM_IPV6_DST] = {
1764                 .name = "dst",
1765                 .help = "destination address",
1766                 .next = NEXT(item_ipv6, NEXT_ENTRY(IPV6_ADDR), item_param),
1767                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6,
1768                                              hdr.dst_addr)),
1769         },
1770         [ITEM_ICMP] = {
1771                 .name = "icmp",
1772                 .help = "match ICMP header",
1773                 .priv = PRIV_ITEM(ICMP, sizeof(struct rte_flow_item_icmp)),
1774                 .next = NEXT(item_icmp),
1775                 .call = parse_vc,
1776         },
1777         [ITEM_ICMP_TYPE] = {
1778                 .name = "type",
1779                 .help = "ICMP packet type",
1780                 .next = NEXT(item_icmp, NEXT_ENTRY(UNSIGNED), item_param),
1781                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_icmp,
1782                                              hdr.icmp_type)),
1783         },
1784         [ITEM_ICMP_CODE] = {
1785                 .name = "code",
1786                 .help = "ICMP packet code",
1787                 .next = NEXT(item_icmp, NEXT_ENTRY(UNSIGNED), item_param),
1788                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_icmp,
1789                                              hdr.icmp_code)),
1790         },
1791         [ITEM_UDP] = {
1792                 .name = "udp",
1793                 .help = "match UDP header",
1794                 .priv = PRIV_ITEM(UDP, sizeof(struct rte_flow_item_udp)),
1795                 .next = NEXT(item_udp),
1796                 .call = parse_vc,
1797         },
1798         [ITEM_UDP_SRC] = {
1799                 .name = "src",
1800                 .help = "UDP source port",
1801                 .next = NEXT(item_udp, NEXT_ENTRY(UNSIGNED), item_param),
1802                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_udp,
1803                                              hdr.src_port)),
1804         },
1805         [ITEM_UDP_DST] = {
1806                 .name = "dst",
1807                 .help = "UDP destination port",
1808                 .next = NEXT(item_udp, NEXT_ENTRY(UNSIGNED), item_param),
1809                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_udp,
1810                                              hdr.dst_port)),
1811         },
1812         [ITEM_TCP] = {
1813                 .name = "tcp",
1814                 .help = "match TCP header",
1815                 .priv = PRIV_ITEM(TCP, sizeof(struct rte_flow_item_tcp)),
1816                 .next = NEXT(item_tcp),
1817                 .call = parse_vc,
1818         },
1819         [ITEM_TCP_SRC] = {
1820                 .name = "src",
1821                 .help = "TCP source port",
1822                 .next = NEXT(item_tcp, NEXT_ENTRY(UNSIGNED), item_param),
1823                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_tcp,
1824                                              hdr.src_port)),
1825         },
1826         [ITEM_TCP_DST] = {
1827                 .name = "dst",
1828                 .help = "TCP destination port",
1829                 .next = NEXT(item_tcp, NEXT_ENTRY(UNSIGNED), item_param),
1830                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_tcp,
1831                                              hdr.dst_port)),
1832         },
1833         [ITEM_TCP_FLAGS] = {
1834                 .name = "flags",
1835                 .help = "TCP flags",
1836                 .next = NEXT(item_tcp, NEXT_ENTRY(UNSIGNED), item_param),
1837                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_tcp,
1838                                              hdr.tcp_flags)),
1839         },
1840         [ITEM_SCTP] = {
1841                 .name = "sctp",
1842                 .help = "match SCTP header",
1843                 .priv = PRIV_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)),
1844                 .next = NEXT(item_sctp),
1845                 .call = parse_vc,
1846         },
1847         [ITEM_SCTP_SRC] = {
1848                 .name = "src",
1849                 .help = "SCTP source port",
1850                 .next = NEXT(item_sctp, NEXT_ENTRY(UNSIGNED), item_param),
1851                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_sctp,
1852                                              hdr.src_port)),
1853         },
1854         [ITEM_SCTP_DST] = {
1855                 .name = "dst",
1856                 .help = "SCTP destination port",
1857                 .next = NEXT(item_sctp, NEXT_ENTRY(UNSIGNED), item_param),
1858                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_sctp,
1859                                              hdr.dst_port)),
1860         },
1861         [ITEM_SCTP_TAG] = {
1862                 .name = "tag",
1863                 .help = "validation tag",
1864                 .next = NEXT(item_sctp, NEXT_ENTRY(UNSIGNED), item_param),
1865                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_sctp,
1866                                              hdr.tag)),
1867         },
1868         [ITEM_SCTP_CKSUM] = {
1869                 .name = "cksum",
1870                 .help = "checksum",
1871                 .next = NEXT(item_sctp, NEXT_ENTRY(UNSIGNED), item_param),
1872                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_sctp,
1873                                              hdr.cksum)),
1874         },
1875         [ITEM_VXLAN] = {
1876                 .name = "vxlan",
1877                 .help = "match VXLAN header",
1878                 .priv = PRIV_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)),
1879                 .next = NEXT(item_vxlan),
1880                 .call = parse_vc,
1881         },
1882         [ITEM_VXLAN_VNI] = {
1883                 .name = "vni",
1884                 .help = "VXLAN identifier",
1885                 .next = NEXT(item_vxlan, NEXT_ENTRY(UNSIGNED), item_param),
1886                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vxlan, vni)),
1887         },
1888         [ITEM_E_TAG] = {
1889                 .name = "e_tag",
1890                 .help = "match E-Tag header",
1891                 .priv = PRIV_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)),
1892                 .next = NEXT(item_e_tag),
1893                 .call = parse_vc,
1894         },
1895         [ITEM_E_TAG_GRP_ECID_B] = {
1896                 .name = "grp_ecid_b",
1897                 .help = "GRP and E-CID base",
1898                 .next = NEXT(item_e_tag, NEXT_ENTRY(UNSIGNED), item_param),
1899                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_e_tag,
1900                                                   rsvd_grp_ecid_b,
1901                                                   "\x3f\xff")),
1902         },
1903         [ITEM_NVGRE] = {
1904                 .name = "nvgre",
1905                 .help = "match NVGRE header",
1906                 .priv = PRIV_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)),
1907                 .next = NEXT(item_nvgre),
1908                 .call = parse_vc,
1909         },
1910         [ITEM_NVGRE_TNI] = {
1911                 .name = "tni",
1912                 .help = "virtual subnet ID",
1913                 .next = NEXT(item_nvgre, NEXT_ENTRY(UNSIGNED), item_param),
1914                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_nvgre, tni)),
1915         },
1916         [ITEM_MPLS] = {
1917                 .name = "mpls",
1918                 .help = "match MPLS header",
1919                 .priv = PRIV_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
1920                 .next = NEXT(item_mpls),
1921                 .call = parse_vc,
1922         },
1923         [ITEM_MPLS_LABEL] = {
1924                 .name = "label",
1925                 .help = "MPLS label",
1926                 .next = NEXT(item_mpls, NEXT_ENTRY(UNSIGNED), item_param),
1927                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_mpls,
1928                                                   label_tc_s,
1929                                                   "\xff\xff\xf0")),
1930         },
1931         [ITEM_GRE] = {
1932                 .name = "gre",
1933                 .help = "match GRE header",
1934                 .priv = PRIV_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
1935                 .next = NEXT(item_gre),
1936                 .call = parse_vc,
1937         },
1938         [ITEM_GRE_PROTO] = {
1939                 .name = "protocol",
1940                 .help = "GRE protocol type",
1941                 .next = NEXT(item_gre, NEXT_ENTRY(UNSIGNED), item_param),
1942                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_gre,
1943                                              protocol)),
1944         },
1945         [ITEM_FUZZY] = {
1946                 .name = "fuzzy",
1947                 .help = "fuzzy pattern match, expect faster than default",
1948                 .priv = PRIV_ITEM(FUZZY,
1949                                 sizeof(struct rte_flow_item_fuzzy)),
1950                 .next = NEXT(item_fuzzy),
1951                 .call = parse_vc,
1952         },
1953         [ITEM_FUZZY_THRESH] = {
1954                 .name = "thresh",
1955                 .help = "match accuracy threshold",
1956                 .next = NEXT(item_fuzzy, NEXT_ENTRY(UNSIGNED), item_param),
1957                 .args = ARGS(ARGS_ENTRY(struct rte_flow_item_fuzzy,
1958                                         thresh)),
1959         },
1960         [ITEM_GTP] = {
1961                 .name = "gtp",
1962                 .help = "match GTP header",
1963                 .priv = PRIV_ITEM(GTP, sizeof(struct rte_flow_item_gtp)),
1964                 .next = NEXT(item_gtp),
1965                 .call = parse_vc,
1966         },
1967         [ITEM_GTP_TEID] = {
1968                 .name = "teid",
1969                 .help = "tunnel endpoint identifier",
1970                 .next = NEXT(item_gtp, NEXT_ENTRY(UNSIGNED), item_param),
1971                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_gtp, teid)),
1972         },
1973         [ITEM_GTPC] = {
1974                 .name = "gtpc",
1975                 .help = "match GTP header",
1976                 .priv = PRIV_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)),
1977                 .next = NEXT(item_gtp),
1978                 .call = parse_vc,
1979         },
1980         [ITEM_GTPU] = {
1981                 .name = "gtpu",
1982                 .help = "match GTP header",
1983                 .priv = PRIV_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)),
1984                 .next = NEXT(item_gtp),
1985                 .call = parse_vc,
1986         },
1987         [ITEM_GENEVE] = {
1988                 .name = "geneve",
1989                 .help = "match GENEVE header",
1990                 .priv = PRIV_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)),
1991                 .next = NEXT(item_geneve),
1992                 .call = parse_vc,
1993         },
1994         [ITEM_GENEVE_VNI] = {
1995                 .name = "vni",
1996                 .help = "virtual network identifier",
1997                 .next = NEXT(item_geneve, NEXT_ENTRY(UNSIGNED), item_param),
1998                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_geneve, vni)),
1999         },
2000         [ITEM_GENEVE_PROTO] = {
2001                 .name = "protocol",
2002                 .help = "GENEVE protocol type",
2003                 .next = NEXT(item_geneve, NEXT_ENTRY(UNSIGNED), item_param),
2004                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_geneve,
2005                                              protocol)),
2006         },
2007         [ITEM_VXLAN_GPE] = {
2008                 .name = "vxlan-gpe",
2009                 .help = "match VXLAN-GPE header",
2010                 .priv = PRIV_ITEM(VXLAN_GPE,
2011                                   sizeof(struct rte_flow_item_vxlan_gpe)),
2012                 .next = NEXT(item_vxlan_gpe),
2013                 .call = parse_vc,
2014         },
2015         [ITEM_VXLAN_GPE_VNI] = {
2016                 .name = "vni",
2017                 .help = "VXLAN-GPE identifier",
2018                 .next = NEXT(item_vxlan_gpe, NEXT_ENTRY(UNSIGNED), item_param),
2019                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_vxlan_gpe,
2020                                              vni)),
2021         },
2022         [ITEM_ARP_ETH_IPV4] = {
2023                 .name = "arp_eth_ipv4",
2024                 .help = "match ARP header for Ethernet/IPv4",
2025                 .priv = PRIV_ITEM(ARP_ETH_IPV4,
2026                                   sizeof(struct rte_flow_item_arp_eth_ipv4)),
2027                 .next = NEXT(item_arp_eth_ipv4),
2028                 .call = parse_vc,
2029         },
2030         [ITEM_ARP_ETH_IPV4_SHA] = {
2031                 .name = "sha",
2032                 .help = "sender hardware address",
2033                 .next = NEXT(item_arp_eth_ipv4, NEXT_ENTRY(MAC_ADDR),
2034                              item_param),
2035                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_arp_eth_ipv4,
2036                                              sha)),
2037         },
2038         [ITEM_ARP_ETH_IPV4_SPA] = {
2039                 .name = "spa",
2040                 .help = "sender IPv4 address",
2041                 .next = NEXT(item_arp_eth_ipv4, NEXT_ENTRY(IPV4_ADDR),
2042                              item_param),
2043                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_arp_eth_ipv4,
2044                                              spa)),
2045         },
2046         [ITEM_ARP_ETH_IPV4_THA] = {
2047                 .name = "tha",
2048                 .help = "target hardware address",
2049                 .next = NEXT(item_arp_eth_ipv4, NEXT_ENTRY(MAC_ADDR),
2050                              item_param),
2051                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_arp_eth_ipv4,
2052                                              tha)),
2053         },
2054         [ITEM_ARP_ETH_IPV4_TPA] = {
2055                 .name = "tpa",
2056                 .help = "target IPv4 address",
2057                 .next = NEXT(item_arp_eth_ipv4, NEXT_ENTRY(IPV4_ADDR),
2058                              item_param),
2059                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_arp_eth_ipv4,
2060                                              tpa)),
2061         },
2062         [ITEM_IPV6_EXT] = {
2063                 .name = "ipv6_ext",
2064                 .help = "match presence of any IPv6 extension header",
2065                 .priv = PRIV_ITEM(IPV6_EXT,
2066                                   sizeof(struct rte_flow_item_ipv6_ext)),
2067                 .next = NEXT(item_ipv6_ext),
2068                 .call = parse_vc,
2069         },
2070         [ITEM_IPV6_EXT_NEXT_HDR] = {
2071                 .name = "next_hdr",
2072                 .help = "next header",
2073                 .next = NEXT(item_ipv6_ext, NEXT_ENTRY(UNSIGNED), item_param),
2074                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_ipv6_ext,
2075                                              next_hdr)),
2076         },
2077         [ITEM_ICMP6] = {
2078                 .name = "icmp6",
2079                 .help = "match any ICMPv6 header",
2080                 .priv = PRIV_ITEM(ICMP6, sizeof(struct rte_flow_item_icmp6)),
2081                 .next = NEXT(item_icmp6),
2082                 .call = parse_vc,
2083         },
2084         [ITEM_ICMP6_TYPE] = {
2085                 .name = "type",
2086                 .help = "ICMPv6 type",
2087                 .next = NEXT(item_icmp6, NEXT_ENTRY(UNSIGNED), item_param),
2088                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_icmp6,
2089                                              type)),
2090         },
2091         [ITEM_ICMP6_CODE] = {
2092                 .name = "code",
2093                 .help = "ICMPv6 code",
2094                 .next = NEXT(item_icmp6, NEXT_ENTRY(UNSIGNED), item_param),
2095                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_icmp6,
2096                                              code)),
2097         },
2098         [ITEM_ICMP6_ND_NS] = {
2099                 .name = "icmp6_nd_ns",
2100                 .help = "match ICMPv6 neighbor discovery solicitation",
2101                 .priv = PRIV_ITEM(ICMP6_ND_NS,
2102                                   sizeof(struct rte_flow_item_icmp6_nd_ns)),
2103                 .next = NEXT(item_icmp6_nd_ns),
2104                 .call = parse_vc,
2105         },
2106         [ITEM_ICMP6_ND_NS_TARGET_ADDR] = {
2107                 .name = "target_addr",
2108                 .help = "target address",
2109                 .next = NEXT(item_icmp6_nd_ns, NEXT_ENTRY(IPV6_ADDR),
2110                              item_param),
2111                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_icmp6_nd_ns,
2112                                              target_addr)),
2113         },
2114         [ITEM_ICMP6_ND_NA] = {
2115                 .name = "icmp6_nd_na",
2116                 .help = "match ICMPv6 neighbor discovery advertisement",
2117                 .priv = PRIV_ITEM(ICMP6_ND_NA,
2118                                   sizeof(struct rte_flow_item_icmp6_nd_na)),
2119                 .next = NEXT(item_icmp6_nd_na),
2120                 .call = parse_vc,
2121         },
2122         [ITEM_ICMP6_ND_NA_TARGET_ADDR] = {
2123                 .name = "target_addr",
2124                 .help = "target address",
2125                 .next = NEXT(item_icmp6_nd_na, NEXT_ENTRY(IPV6_ADDR),
2126                              item_param),
2127                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_icmp6_nd_na,
2128                                              target_addr)),
2129         },
2130         [ITEM_ICMP6_ND_OPT] = {
2131                 .name = "icmp6_nd_opt",
2132                 .help = "match presence of any ICMPv6 neighbor discovery"
2133                         " option",
2134                 .priv = PRIV_ITEM(ICMP6_ND_OPT,
2135                                   sizeof(struct rte_flow_item_icmp6_nd_opt)),
2136                 .next = NEXT(item_icmp6_nd_opt),
2137                 .call = parse_vc,
2138         },
2139         [ITEM_ICMP6_ND_OPT_TYPE] = {
2140                 .name = "type",
2141                 .help = "ND option type",
2142                 .next = NEXT(item_icmp6_nd_opt, NEXT_ENTRY(UNSIGNED),
2143                              item_param),
2144                 .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_icmp6_nd_opt,
2145                                              type)),
2146         },
2147         [ITEM_ICMP6_ND_OPT_SLA_ETH] = {
2148                 .name = "icmp6_nd_opt_sla_eth",
2149                 .help = "match ICMPv6 neighbor discovery source Ethernet"
2150                         " link-layer address option",
2151                 .priv = PRIV_ITEM
2152                         (ICMP6_ND_OPT_SLA_ETH,
2153                          sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)),
2154                 .next = NEXT(item_icmp6_nd_opt_sla_eth),
2155                 .call = parse_vc,
2156         },
2157         [ITEM_ICMP6_ND_OPT_SLA_ETH_SLA] = {
2158                 .name = "sla",
2159                 .help = "source Ethernet LLA",
2160                 .next = NEXT(item_icmp6_nd_opt_sla_eth, NEXT_ENTRY(MAC_ADDR),
2161                              item_param),
2162                 .args = ARGS(ARGS_ENTRY_HTON
2163                              (struct rte_flow_item_icmp6_nd_opt_sla_eth, sla)),
2164         },
2165         [ITEM_ICMP6_ND_OPT_TLA_ETH] = {
2166                 .name = "icmp6_nd_opt_tla_eth",
2167                 .help = "match ICMPv6 neighbor discovery target Ethernet"
2168                         " link-layer address option",
2169                 .priv = PRIV_ITEM
2170                         (ICMP6_ND_OPT_TLA_ETH,
2171                          sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)),
2172                 .next = NEXT(item_icmp6_nd_opt_tla_eth),
2173                 .call = parse_vc,
2174         },
2175         [ITEM_ICMP6_ND_OPT_TLA_ETH_TLA] = {
2176                 .name = "tla",
2177                 .help = "target Ethernet LLA",
2178                 .next = NEXT(item_icmp6_nd_opt_tla_eth, NEXT_ENTRY(MAC_ADDR),
2179                              item_param),
2180                 .args = ARGS(ARGS_ENTRY_HTON
2181                              (struct rte_flow_item_icmp6_nd_opt_tla_eth, tla)),
2182         },
2183         [ITEM_META] = {
2184                 .name = "meta",
2185                 .help = "match metadata header",
2186                 .priv = PRIV_ITEM(META, sizeof(struct rte_flow_item_meta)),
2187                 .next = NEXT(item_meta),
2188                 .call = parse_vc,
2189         },
2190         [ITEM_META_DATA] = {
2191                 .name = "data",
2192                 .help = "metadata value",
2193                 .next = NEXT(item_meta, NEXT_ENTRY(UNSIGNED), item_param),
2194                 .args = ARGS(ARGS_ENTRY_MASK_HTON(struct rte_flow_item_meta,
2195                                                   data, "\xff\xff\xff\xff")),
2196         },
2197
2198         /* Validate/create actions. */
2199         [ACTIONS] = {
2200                 .name = "actions",
2201                 .help = "submit a list of associated actions",
2202                 .next = NEXT(next_action),
2203                 .call = parse_vc,
2204         },
2205         [ACTION_NEXT] = {
2206                 .name = "/",
2207                 .help = "specify next action",
2208                 .next = NEXT(next_action),
2209         },
2210         [ACTION_END] = {
2211                 .name = "end",
2212                 .help = "end list of actions",
2213                 .priv = PRIV_ACTION(END, 0),
2214                 .call = parse_vc,
2215         },
2216         [ACTION_VOID] = {
2217                 .name = "void",
2218                 .help = "no-op action",
2219                 .priv = PRIV_ACTION(VOID, 0),
2220                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2221                 .call = parse_vc,
2222         },
2223         [ACTION_PASSTHRU] = {
2224                 .name = "passthru",
2225                 .help = "let subsequent rule process matched packets",
2226                 .priv = PRIV_ACTION(PASSTHRU, 0),
2227                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2228                 .call = parse_vc,
2229         },
2230         [ACTION_JUMP] = {
2231                 .name = "jump",
2232                 .help = "redirect traffic to a given group",
2233                 .priv = PRIV_ACTION(JUMP, sizeof(struct rte_flow_action_jump)),
2234                 .next = NEXT(action_jump),
2235                 .call = parse_vc,
2236         },
2237         [ACTION_JUMP_GROUP] = {
2238                 .name = "group",
2239                 .help = "group to redirect traffic to",
2240                 .next = NEXT(action_jump, NEXT_ENTRY(UNSIGNED)),
2241                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_jump, group)),
2242                 .call = parse_vc_conf,
2243         },
2244         [ACTION_MARK] = {
2245                 .name = "mark",
2246                 .help = "attach 32 bit value to packets",
2247                 .priv = PRIV_ACTION(MARK, sizeof(struct rte_flow_action_mark)),
2248                 .next = NEXT(action_mark),
2249                 .call = parse_vc,
2250         },
2251         [ACTION_MARK_ID] = {
2252                 .name = "id",
2253                 .help = "32 bit value to return with packets",
2254                 .next = NEXT(action_mark, NEXT_ENTRY(UNSIGNED)),
2255                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_mark, id)),
2256                 .call = parse_vc_conf,
2257         },
2258         [ACTION_FLAG] = {
2259                 .name = "flag",
2260                 .help = "flag packets",
2261                 .priv = PRIV_ACTION(FLAG, 0),
2262                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2263                 .call = parse_vc,
2264         },
2265         [ACTION_QUEUE] = {
2266                 .name = "queue",
2267                 .help = "assign packets to a given queue index",
2268                 .priv = PRIV_ACTION(QUEUE,
2269                                     sizeof(struct rte_flow_action_queue)),
2270                 .next = NEXT(action_queue),
2271                 .call = parse_vc,
2272         },
2273         [ACTION_QUEUE_INDEX] = {
2274                 .name = "index",
2275                 .help = "queue index to use",
2276                 .next = NEXT(action_queue, NEXT_ENTRY(UNSIGNED)),
2277                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_queue, index)),
2278                 .call = parse_vc_conf,
2279         },
2280         [ACTION_DROP] = {
2281                 .name = "drop",
2282                 .help = "drop packets (note: passthru has priority)",
2283                 .priv = PRIV_ACTION(DROP, 0),
2284                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2285                 .call = parse_vc,
2286         },
2287         [ACTION_COUNT] = {
2288                 .name = "count",
2289                 .help = "enable counters for this rule",
2290                 .priv = PRIV_ACTION(COUNT,
2291                                     sizeof(struct rte_flow_action_count)),
2292                 .next = NEXT(action_count),
2293                 .call = parse_vc,
2294         },
2295         [ACTION_COUNT_ID] = {
2296                 .name = "identifier",
2297                 .help = "counter identifier to use",
2298                 .next = NEXT(action_count, NEXT_ENTRY(UNSIGNED)),
2299                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_count, id)),
2300                 .call = parse_vc_conf,
2301         },
2302         [ACTION_COUNT_SHARED] = {
2303                 .name = "shared",
2304                 .help = "shared counter",
2305                 .next = NEXT(action_count, NEXT_ENTRY(BOOLEAN)),
2306                 .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_action_count,
2307                                            shared, 1)),
2308                 .call = parse_vc_conf,
2309         },
2310         [ACTION_RSS] = {
2311                 .name = "rss",
2312                 .help = "spread packets among several queues",
2313                 .priv = PRIV_ACTION(RSS, sizeof(struct action_rss_data)),
2314                 .next = NEXT(action_rss),
2315                 .call = parse_vc_action_rss,
2316         },
2317         [ACTION_RSS_FUNC] = {
2318                 .name = "func",
2319                 .help = "RSS hash function to apply",
2320                 .next = NEXT(action_rss,
2321                              NEXT_ENTRY(ACTION_RSS_FUNC_DEFAULT,
2322                                         ACTION_RSS_FUNC_TOEPLITZ,
2323                                         ACTION_RSS_FUNC_SIMPLE_XOR)),
2324         },
2325         [ACTION_RSS_FUNC_DEFAULT] = {
2326                 .name = "default",
2327                 .help = "default hash function",
2328                 .call = parse_vc_action_rss_func,
2329         },
2330         [ACTION_RSS_FUNC_TOEPLITZ] = {
2331                 .name = "toeplitz",
2332                 .help = "Toeplitz hash function",
2333                 .call = parse_vc_action_rss_func,
2334         },
2335         [ACTION_RSS_FUNC_SIMPLE_XOR] = {
2336                 .name = "simple_xor",
2337                 .help = "simple XOR hash function",
2338                 .call = parse_vc_action_rss_func,
2339         },
2340         [ACTION_RSS_LEVEL] = {
2341                 .name = "level",
2342                 .help = "encapsulation level for \"types\"",
2343                 .next = NEXT(action_rss, NEXT_ENTRY(UNSIGNED)),
2344                 .args = ARGS(ARGS_ENTRY_ARB
2345                              (offsetof(struct action_rss_data, conf) +
2346                               offsetof(struct rte_flow_action_rss, level),
2347                               sizeof(((struct rte_flow_action_rss *)0)->
2348                                      level))),
2349         },
2350         [ACTION_RSS_TYPES] = {
2351                 .name = "types",
2352                 .help = "specific RSS hash types",
2353                 .next = NEXT(action_rss, NEXT_ENTRY(ACTION_RSS_TYPE)),
2354         },
2355         [ACTION_RSS_TYPE] = {
2356                 .name = "{type}",
2357                 .help = "RSS hash type",
2358                 .call = parse_vc_action_rss_type,
2359                 .comp = comp_vc_action_rss_type,
2360         },
2361         [ACTION_RSS_KEY] = {
2362                 .name = "key",
2363                 .help = "RSS hash key",
2364                 .next = NEXT(action_rss, NEXT_ENTRY(HEX)),
2365                 .args = ARGS(ARGS_ENTRY_ARB(0, 0),
2366                              ARGS_ENTRY_ARB
2367                              (offsetof(struct action_rss_data, conf) +
2368                               offsetof(struct rte_flow_action_rss, key_len),
2369                               sizeof(((struct rte_flow_action_rss *)0)->
2370                                      key_len)),
2371                              ARGS_ENTRY(struct action_rss_data, key)),
2372         },
2373         [ACTION_RSS_KEY_LEN] = {
2374                 .name = "key_len",
2375                 .help = "RSS hash key length in bytes",
2376                 .next = NEXT(action_rss, NEXT_ENTRY(UNSIGNED)),
2377                 .args = ARGS(ARGS_ENTRY_ARB_BOUNDED
2378                              (offsetof(struct action_rss_data, conf) +
2379                               offsetof(struct rte_flow_action_rss, key_len),
2380                               sizeof(((struct rte_flow_action_rss *)0)->
2381                                      key_len),
2382                               0,
2383                               RSS_HASH_KEY_LENGTH)),
2384         },
2385         [ACTION_RSS_QUEUES] = {
2386                 .name = "queues",
2387                 .help = "queue indices to use",
2388                 .next = NEXT(action_rss, NEXT_ENTRY(ACTION_RSS_QUEUE)),
2389                 .call = parse_vc_conf,
2390         },
2391         [ACTION_RSS_QUEUE] = {
2392                 .name = "{queue}",
2393                 .help = "queue index",
2394                 .call = parse_vc_action_rss_queue,
2395                 .comp = comp_vc_action_rss_queue,
2396         },
2397         [ACTION_PF] = {
2398                 .name = "pf",
2399                 .help = "direct traffic to physical function",
2400                 .priv = PRIV_ACTION(PF, 0),
2401                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2402                 .call = parse_vc,
2403         },
2404         [ACTION_VF] = {
2405                 .name = "vf",
2406                 .help = "direct traffic to a virtual function ID",
2407                 .priv = PRIV_ACTION(VF, sizeof(struct rte_flow_action_vf)),
2408                 .next = NEXT(action_vf),
2409                 .call = parse_vc,
2410         },
2411         [ACTION_VF_ORIGINAL] = {
2412                 .name = "original",
2413                 .help = "use original VF ID if possible",
2414                 .next = NEXT(action_vf, NEXT_ENTRY(BOOLEAN)),
2415                 .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_action_vf,
2416                                            original, 1)),
2417                 .call = parse_vc_conf,
2418         },
2419         [ACTION_VF_ID] = {
2420                 .name = "id",
2421                 .help = "VF ID",
2422                 .next = NEXT(action_vf, NEXT_ENTRY(UNSIGNED)),
2423                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_vf, id)),
2424                 .call = parse_vc_conf,
2425         },
2426         [ACTION_PHY_PORT] = {
2427                 .name = "phy_port",
2428                 .help = "direct packets to physical port index",
2429                 .priv = PRIV_ACTION(PHY_PORT,
2430                                     sizeof(struct rte_flow_action_phy_port)),
2431                 .next = NEXT(action_phy_port),
2432                 .call = parse_vc,
2433         },
2434         [ACTION_PHY_PORT_ORIGINAL] = {
2435                 .name = "original",
2436                 .help = "use original port index if possible",
2437                 .next = NEXT(action_phy_port, NEXT_ENTRY(BOOLEAN)),
2438                 .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_action_phy_port,
2439                                            original, 1)),
2440                 .call = parse_vc_conf,
2441         },
2442         [ACTION_PHY_PORT_INDEX] = {
2443                 .name = "index",
2444                 .help = "physical port index",
2445                 .next = NEXT(action_phy_port, NEXT_ENTRY(UNSIGNED)),
2446                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_phy_port,
2447                                         index)),
2448                 .call = parse_vc_conf,
2449         },
2450         [ACTION_PORT_ID] = {
2451                 .name = "port_id",
2452                 .help = "direct matching traffic to a given DPDK port ID",
2453                 .priv = PRIV_ACTION(PORT_ID,
2454                                     sizeof(struct rte_flow_action_port_id)),
2455                 .next = NEXT(action_port_id),
2456                 .call = parse_vc,
2457         },
2458         [ACTION_PORT_ID_ORIGINAL] = {
2459                 .name = "original",
2460                 .help = "use original DPDK port ID if possible",
2461                 .next = NEXT(action_port_id, NEXT_ENTRY(BOOLEAN)),
2462                 .args = ARGS(ARGS_ENTRY_BF(struct rte_flow_action_port_id,
2463                                            original, 1)),
2464                 .call = parse_vc_conf,
2465         },
2466         [ACTION_PORT_ID_ID] = {
2467                 .name = "id",
2468                 .help = "DPDK port ID",
2469                 .next = NEXT(action_port_id, NEXT_ENTRY(UNSIGNED)),
2470                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_port_id, id)),
2471                 .call = parse_vc_conf,
2472         },
2473         [ACTION_METER] = {
2474                 .name = "meter",
2475                 .help = "meter the directed packets at given id",
2476                 .priv = PRIV_ACTION(METER,
2477                                     sizeof(struct rte_flow_action_meter)),
2478                 .next = NEXT(action_meter),
2479                 .call = parse_vc,
2480         },
2481         [ACTION_METER_ID] = {
2482                 .name = "mtr_id",
2483                 .help = "meter id to use",
2484                 .next = NEXT(action_meter, NEXT_ENTRY(UNSIGNED)),
2485                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_meter, mtr_id)),
2486                 .call = parse_vc_conf,
2487         },
2488         [ACTION_OF_SET_MPLS_TTL] = {
2489                 .name = "of_set_mpls_ttl",
2490                 .help = "OpenFlow's OFPAT_SET_MPLS_TTL",
2491                 .priv = PRIV_ACTION
2492                         (OF_SET_MPLS_TTL,
2493                          sizeof(struct rte_flow_action_of_set_mpls_ttl)),
2494                 .next = NEXT(action_of_set_mpls_ttl),
2495                 .call = parse_vc,
2496         },
2497         [ACTION_OF_SET_MPLS_TTL_MPLS_TTL] = {
2498                 .name = "mpls_ttl",
2499                 .help = "MPLS TTL",
2500                 .next = NEXT(action_of_set_mpls_ttl, NEXT_ENTRY(UNSIGNED)),
2501                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_of_set_mpls_ttl,
2502                                         mpls_ttl)),
2503                 .call = parse_vc_conf,
2504         },
2505         [ACTION_OF_DEC_MPLS_TTL] = {
2506                 .name = "of_dec_mpls_ttl",
2507                 .help = "OpenFlow's OFPAT_DEC_MPLS_TTL",
2508                 .priv = PRIV_ACTION(OF_DEC_MPLS_TTL, 0),
2509                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2510                 .call = parse_vc,
2511         },
2512         [ACTION_OF_SET_NW_TTL] = {
2513                 .name = "of_set_nw_ttl",
2514                 .help = "OpenFlow's OFPAT_SET_NW_TTL",
2515                 .priv = PRIV_ACTION
2516                         (OF_SET_NW_TTL,
2517                          sizeof(struct rte_flow_action_of_set_nw_ttl)),
2518                 .next = NEXT(action_of_set_nw_ttl),
2519                 .call = parse_vc,
2520         },
2521         [ACTION_OF_SET_NW_TTL_NW_TTL] = {
2522                 .name = "nw_ttl",
2523                 .help = "IP TTL",
2524                 .next = NEXT(action_of_set_nw_ttl, NEXT_ENTRY(UNSIGNED)),
2525                 .args = ARGS(ARGS_ENTRY(struct rte_flow_action_of_set_nw_ttl,
2526                                         nw_ttl)),
2527                 .call = parse_vc_conf,
2528         },
2529         [ACTION_OF_DEC_NW_TTL] = {
2530                 .name = "of_dec_nw_ttl",
2531                 .help = "OpenFlow's OFPAT_DEC_NW_TTL",
2532                 .priv = PRIV_ACTION(OF_DEC_NW_TTL, 0),
2533                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2534                 .call = parse_vc,
2535         },
2536         [ACTION_OF_COPY_TTL_OUT] = {
2537                 .name = "of_copy_ttl_out",
2538                 .help = "OpenFlow's OFPAT_COPY_TTL_OUT",
2539                 .priv = PRIV_ACTION(OF_COPY_TTL_OUT, 0),
2540                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2541                 .call = parse_vc,
2542         },
2543         [ACTION_OF_COPY_TTL_IN] = {
2544                 .name = "of_copy_ttl_in",
2545                 .help = "OpenFlow's OFPAT_COPY_TTL_IN",
2546                 .priv = PRIV_ACTION(OF_COPY_TTL_IN, 0),
2547                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2548                 .call = parse_vc,
2549         },
2550         [ACTION_OF_POP_VLAN] = {
2551                 .name = "of_pop_vlan",
2552                 .help = "OpenFlow's OFPAT_POP_VLAN",
2553                 .priv = PRIV_ACTION(OF_POP_VLAN, 0),
2554                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2555                 .call = parse_vc,
2556         },
2557         [ACTION_OF_PUSH_VLAN] = {
2558                 .name = "of_push_vlan",
2559                 .help = "OpenFlow's OFPAT_PUSH_VLAN",
2560                 .priv = PRIV_ACTION
2561                         (OF_PUSH_VLAN,
2562                          sizeof(struct rte_flow_action_of_push_vlan)),
2563                 .next = NEXT(action_of_push_vlan),
2564                 .call = parse_vc,
2565         },
2566         [ACTION_OF_PUSH_VLAN_ETHERTYPE] = {
2567                 .name = "ethertype",
2568                 .help = "EtherType",
2569                 .next = NEXT(action_of_push_vlan, NEXT_ENTRY(UNSIGNED)),
2570                 .args = ARGS(ARGS_ENTRY_HTON
2571                              (struct rte_flow_action_of_push_vlan,
2572                               ethertype)),
2573                 .call = parse_vc_conf,
2574         },
2575         [ACTION_OF_SET_VLAN_VID] = {
2576                 .name = "of_set_vlan_vid",
2577                 .help = "OpenFlow's OFPAT_SET_VLAN_VID",
2578                 .priv = PRIV_ACTION
2579                         (OF_SET_VLAN_VID,
2580                          sizeof(struct rte_flow_action_of_set_vlan_vid)),
2581                 .next = NEXT(action_of_set_vlan_vid),
2582                 .call = parse_vc,
2583         },
2584         [ACTION_OF_SET_VLAN_VID_VLAN_VID] = {
2585                 .name = "vlan_vid",
2586                 .help = "VLAN id",
2587                 .next = NEXT(action_of_set_vlan_vid, NEXT_ENTRY(UNSIGNED)),
2588                 .args = ARGS(ARGS_ENTRY_HTON
2589                              (struct rte_flow_action_of_set_vlan_vid,
2590                               vlan_vid)),
2591                 .call = parse_vc_conf,
2592         },
2593         [ACTION_OF_SET_VLAN_PCP] = {
2594                 .name = "of_set_vlan_pcp",
2595                 .help = "OpenFlow's OFPAT_SET_VLAN_PCP",
2596                 .priv = PRIV_ACTION
2597                         (OF_SET_VLAN_PCP,
2598                          sizeof(struct rte_flow_action_of_set_vlan_pcp)),
2599                 .next = NEXT(action_of_set_vlan_pcp),
2600                 .call = parse_vc,
2601         },
2602         [ACTION_OF_SET_VLAN_PCP_VLAN_PCP] = {
2603                 .name = "vlan_pcp",
2604                 .help = "VLAN priority",
2605                 .next = NEXT(action_of_set_vlan_pcp, NEXT_ENTRY(UNSIGNED)),
2606                 .args = ARGS(ARGS_ENTRY_HTON
2607                              (struct rte_flow_action_of_set_vlan_pcp,
2608                               vlan_pcp)),
2609                 .call = parse_vc_conf,
2610         },
2611         [ACTION_OF_POP_MPLS] = {
2612                 .name = "of_pop_mpls",
2613                 .help = "OpenFlow's OFPAT_POP_MPLS",
2614                 .priv = PRIV_ACTION(OF_POP_MPLS,
2615                                     sizeof(struct rte_flow_action_of_pop_mpls)),
2616                 .next = NEXT(action_of_pop_mpls),
2617                 .call = parse_vc,
2618         },
2619         [ACTION_OF_POP_MPLS_ETHERTYPE] = {
2620                 .name = "ethertype",
2621                 .help = "EtherType",
2622                 .next = NEXT(action_of_pop_mpls, NEXT_ENTRY(UNSIGNED)),
2623                 .args = ARGS(ARGS_ENTRY_HTON
2624                              (struct rte_flow_action_of_pop_mpls,
2625                               ethertype)),
2626                 .call = parse_vc_conf,
2627         },
2628         [ACTION_OF_PUSH_MPLS] = {
2629                 .name = "of_push_mpls",
2630                 .help = "OpenFlow's OFPAT_PUSH_MPLS",
2631                 .priv = PRIV_ACTION
2632                         (OF_PUSH_MPLS,
2633                          sizeof(struct rte_flow_action_of_push_mpls)),
2634                 .next = NEXT(action_of_push_mpls),
2635                 .call = parse_vc,
2636         },
2637         [ACTION_OF_PUSH_MPLS_ETHERTYPE] = {
2638                 .name = "ethertype",
2639                 .help = "EtherType",
2640                 .next = NEXT(action_of_push_mpls, NEXT_ENTRY(UNSIGNED)),
2641                 .args = ARGS(ARGS_ENTRY_HTON
2642                              (struct rte_flow_action_of_push_mpls,
2643                               ethertype)),
2644                 .call = parse_vc_conf,
2645         },
2646         [ACTION_VXLAN_ENCAP] = {
2647                 .name = "vxlan_encap",
2648                 .help = "VXLAN encapsulation, uses configuration set by \"set"
2649                         " vxlan\"",
2650                 .priv = PRIV_ACTION(VXLAN_ENCAP,
2651                                     sizeof(struct action_vxlan_encap_data)),
2652                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2653                 .call = parse_vc_action_vxlan_encap,
2654         },
2655         [ACTION_VXLAN_DECAP] = {
2656                 .name = "vxlan_decap",
2657                 .help = "Performs a decapsulation action by stripping all"
2658                         " headers of the VXLAN tunnel network overlay from the"
2659                         " matched flow.",
2660                 .priv = PRIV_ACTION(VXLAN_DECAP, 0),
2661                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2662                 .call = parse_vc,
2663         },
2664         [ACTION_NVGRE_ENCAP] = {
2665                 .name = "nvgre_encap",
2666                 .help = "NVGRE encapsulation, uses configuration set by \"set"
2667                         " nvgre\"",
2668                 .priv = PRIV_ACTION(NVGRE_ENCAP,
2669                                     sizeof(struct action_nvgre_encap_data)),
2670                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2671                 .call = parse_vc_action_nvgre_encap,
2672         },
2673         [ACTION_NVGRE_DECAP] = {
2674                 .name = "nvgre_decap",
2675                 .help = "Performs a decapsulation action by stripping all"
2676                         " headers of the NVGRE tunnel network overlay from the"
2677                         " matched flow.",
2678                 .priv = PRIV_ACTION(NVGRE_DECAP, 0),
2679                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2680                 .call = parse_vc,
2681         },
2682         [ACTION_L2_ENCAP] = {
2683                 .name = "l2_encap",
2684                 .help = "l2 encap, uses configuration set by"
2685                         " \"set l2_encap\"",
2686                 .priv = PRIV_ACTION(RAW_ENCAP,
2687                                     sizeof(struct action_raw_encap_data)),
2688                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2689                 .call = parse_vc_action_l2_encap,
2690         },
2691         [ACTION_L2_DECAP] = {
2692                 .name = "l2_decap",
2693                 .help = "l2 decap, uses configuration set by"
2694                         " \"set l2_decap\"",
2695                 .priv = PRIV_ACTION(RAW_DECAP,
2696                                     sizeof(struct action_raw_decap_data)),
2697                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2698                 .call = parse_vc_action_l2_decap,
2699         },
2700         [ACTION_MPLSOGRE_ENCAP] = {
2701                 .name = "mplsogre_encap",
2702                 .help = "mplsogre encapsulation, uses configuration set by"
2703                         " \"set mplsogre_encap\"",
2704                 .priv = PRIV_ACTION(RAW_ENCAP,
2705                                     sizeof(struct action_raw_encap_data)),
2706                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2707                 .call = parse_vc_action_mplsogre_encap,
2708         },
2709         [ACTION_MPLSOGRE_DECAP] = {
2710                 .name = "mplsogre_decap",
2711                 .help = "mplsogre decapsulation, uses configuration set by"
2712                         " \"set mplsogre_decap\"",
2713                 .priv = PRIV_ACTION(RAW_DECAP,
2714                                     sizeof(struct action_raw_decap_data)),
2715                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2716                 .call = parse_vc_action_mplsogre_decap,
2717         },
2718         [ACTION_MPLSOUDP_ENCAP] = {
2719                 .name = "mplsoudp_encap",
2720                 .help = "mplsoudp encapsulation, uses configuration set by"
2721                         " \"set mplsoudp_encap\"",
2722                 .priv = PRIV_ACTION(RAW_ENCAP,
2723                                     sizeof(struct action_raw_encap_data)),
2724                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2725                 .call = parse_vc_action_mplsoudp_encap,
2726         },
2727         [ACTION_MPLSOUDP_DECAP] = {
2728                 .name = "mplsoudp_decap",
2729                 .help = "mplsoudp decapsulation, uses configuration set by"
2730                         " \"set mplsoudp_decap\"",
2731                 .priv = PRIV_ACTION(RAW_DECAP,
2732                                     sizeof(struct action_raw_decap_data)),
2733                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2734                 .call = parse_vc_action_mplsoudp_decap,
2735         },
2736         [ACTION_SET_IPV4_SRC] = {
2737                 .name = "set_ipv4_src",
2738                 .help = "Set a new IPv4 source address in the outermost"
2739                         " IPv4 header",
2740                 .priv = PRIV_ACTION(SET_IPV4_SRC,
2741                         sizeof(struct rte_flow_action_set_ipv4)),
2742                 .next = NEXT(action_set_ipv4_src),
2743                 .call = parse_vc,
2744         },
2745         [ACTION_SET_IPV4_SRC_IPV4_SRC] = {
2746                 .name = "ipv4_addr",
2747                 .help = "new IPv4 source address to set",
2748                 .next = NEXT(action_set_ipv4_src, NEXT_ENTRY(IPV4_ADDR)),
2749                 .args = ARGS(ARGS_ENTRY_HTON
2750                         (struct rte_flow_action_set_ipv4, ipv4_addr)),
2751                 .call = parse_vc_conf,
2752         },
2753         [ACTION_SET_IPV4_DST] = {
2754                 .name = "set_ipv4_dst",
2755                 .help = "Set a new IPv4 destination address in the outermost"
2756                         " IPv4 header",
2757                 .priv = PRIV_ACTION(SET_IPV4_DST,
2758                         sizeof(struct rte_flow_action_set_ipv4)),
2759                 .next = NEXT(action_set_ipv4_dst),
2760                 .call = parse_vc,
2761         },
2762         [ACTION_SET_IPV4_DST_IPV4_DST] = {
2763                 .name = "ipv4_addr",
2764                 .help = "new IPv4 destination address to set",
2765                 .next = NEXT(action_set_ipv4_dst, NEXT_ENTRY(IPV4_ADDR)),
2766                 .args = ARGS(ARGS_ENTRY_HTON
2767                         (struct rte_flow_action_set_ipv4, ipv4_addr)),
2768                 .call = parse_vc_conf,
2769         },
2770         [ACTION_SET_IPV6_SRC] = {
2771                 .name = "set_ipv6_src",
2772                 .help = "Set a new IPv6 source address in the outermost"
2773                         " IPv6 header",
2774                 .priv = PRIV_ACTION(SET_IPV6_SRC,
2775                         sizeof(struct rte_flow_action_set_ipv6)),
2776                 .next = NEXT(action_set_ipv6_src),
2777                 .call = parse_vc,
2778         },
2779         [ACTION_SET_IPV6_SRC_IPV6_SRC] = {
2780                 .name = "ipv6_addr",
2781                 .help = "new IPv6 source address to set",
2782                 .next = NEXT(action_set_ipv6_src, NEXT_ENTRY(IPV6_ADDR)),
2783                 .args = ARGS(ARGS_ENTRY_HTON
2784                         (struct rte_flow_action_set_ipv6, ipv6_addr)),
2785                 .call = parse_vc_conf,
2786         },
2787         [ACTION_SET_IPV6_DST] = {
2788                 .name = "set_ipv6_dst",
2789                 .help = "Set a new IPv6 destination address in the outermost"
2790                         " IPv6 header",
2791                 .priv = PRIV_ACTION(SET_IPV6_DST,
2792                         sizeof(struct rte_flow_action_set_ipv6)),
2793                 .next = NEXT(action_set_ipv6_dst),
2794                 .call = parse_vc,
2795         },
2796         [ACTION_SET_IPV6_DST_IPV6_DST] = {
2797                 .name = "ipv6_addr",
2798                 .help = "new IPv6 destination address to set",
2799                 .next = NEXT(action_set_ipv6_dst, NEXT_ENTRY(IPV6_ADDR)),
2800                 .args = ARGS(ARGS_ENTRY_HTON
2801                         (struct rte_flow_action_set_ipv6, ipv6_addr)),
2802                 .call = parse_vc_conf,
2803         },
2804         [ACTION_SET_TP_SRC] = {
2805                 .name = "set_tp_src",
2806                 .help = "set a new source port number in the outermost"
2807                         " TCP/UDP header",
2808                 .priv = PRIV_ACTION(SET_TP_SRC,
2809                         sizeof(struct rte_flow_action_set_tp)),
2810                 .next = NEXT(action_set_tp_src),
2811                 .call = parse_vc,
2812         },
2813         [ACTION_SET_TP_SRC_TP_SRC] = {
2814                 .name = "port",
2815                 .help = "new source port number to set",
2816                 .next = NEXT(action_set_tp_src, NEXT_ENTRY(UNSIGNED)),
2817                 .args = ARGS(ARGS_ENTRY_HTON
2818                              (struct rte_flow_action_set_tp, port)),
2819                 .call = parse_vc_conf,
2820         },
2821         [ACTION_SET_TP_DST] = {
2822                 .name = "set_tp_dst",
2823                 .help = "set a new destination port number in the outermost"
2824                         " TCP/UDP header",
2825                 .priv = PRIV_ACTION(SET_TP_DST,
2826                         sizeof(struct rte_flow_action_set_tp)),
2827                 .next = NEXT(action_set_tp_dst),
2828                 .call = parse_vc,
2829         },
2830         [ACTION_SET_TP_DST_TP_DST] = {
2831                 .name = "port",
2832                 .help = "new destination port number to set",
2833                 .next = NEXT(action_set_tp_dst, NEXT_ENTRY(UNSIGNED)),
2834                 .args = ARGS(ARGS_ENTRY_HTON
2835                              (struct rte_flow_action_set_tp, port)),
2836                 .call = parse_vc_conf,
2837         },
2838         [ACTION_MAC_SWAP] = {
2839                 .name = "mac_swap",
2840                 .help = "Swap the source and destination MAC addresses"
2841                         " in the outermost Ethernet header",
2842                 .priv = PRIV_ACTION(MAC_SWAP, 0),
2843                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2844                 .call = parse_vc,
2845         },
2846         [ACTION_DEC_TTL] = {
2847                 .name = "dec_ttl",
2848                 .help = "decrease network TTL if available",
2849                 .priv = PRIV_ACTION(DEC_TTL, 0),
2850                 .next = NEXT(NEXT_ENTRY(ACTION_NEXT)),
2851                 .call = parse_vc,
2852         },
2853         [ACTION_SET_TTL] = {
2854                 .name = "set_ttl",
2855                 .help = "set ttl value",
2856                 .priv = PRIV_ACTION(SET_TTL,
2857                         sizeof(struct rte_flow_action_set_ttl)),
2858                 .next = NEXT(action_set_ttl),
2859                 .call = parse_vc,
2860         },
2861         [ACTION_SET_TTL_TTL] = {
2862                 .name = "ttl_value",
2863                 .help = "new ttl value to set",
2864                 .next = NEXT(action_set_ttl, NEXT_ENTRY(UNSIGNED)),
2865                 .args = ARGS(ARGS_ENTRY_HTON
2866                              (struct rte_flow_action_set_ttl, ttl_value)),
2867                 .call = parse_vc_conf,
2868         },
2869         [ACTION_SET_MAC_SRC] = {
2870                 .name = "set_mac_src",
2871                 .help = "set source mac address",
2872                 .priv = PRIV_ACTION(SET_MAC_SRC,
2873                         sizeof(struct rte_flow_action_set_mac)),
2874                 .next = NEXT(action_set_mac_src),
2875                 .call = parse_vc,
2876         },
2877         [ACTION_SET_MAC_SRC_MAC_SRC] = {
2878                 .name = "mac_addr",
2879                 .help = "new source mac address",
2880                 .next = NEXT(action_set_mac_src, NEXT_ENTRY(MAC_ADDR)),
2881                 .args = ARGS(ARGS_ENTRY_HTON
2882                              (struct rte_flow_action_set_mac, mac_addr)),
2883                 .call = parse_vc_conf,
2884         },
2885         [ACTION_SET_MAC_DST] = {
2886                 .name = "set_mac_dst",
2887                 .help = "set destination mac address",
2888                 .priv = PRIV_ACTION(SET_MAC_DST,
2889                         sizeof(struct rte_flow_action_set_mac)),
2890                 .next = NEXT(action_set_mac_dst),
2891                 .call = parse_vc,
2892         },
2893         [ACTION_SET_MAC_DST_MAC_DST] = {
2894                 .name = "mac_addr",
2895                 .help = "new destination mac address to set",
2896                 .next = NEXT(action_set_mac_dst, NEXT_ENTRY(MAC_ADDR)),
2897                 .args = ARGS(ARGS_ENTRY_HTON
2898                              (struct rte_flow_action_set_mac, mac_addr)),
2899                 .call = parse_vc_conf,
2900         },
2901         [ACTION_INC_TCP_SEQ] = {
2902                 .name = "inc_tcp_seq",
2903                 .help = "increase TCP sequence number",
2904                 .priv = PRIV_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)),
2905                 .next = NEXT(action_inc_tcp_seq),
2906                 .call = parse_vc,
2907         },
2908         [ACTION_INC_TCP_SEQ_VALUE] = {
2909                 .name = "value",
2910                 .help = "the value to increase TCP sequence number by",
2911                 .next = NEXT(action_inc_tcp_seq, NEXT_ENTRY(UNSIGNED)),
2912                 .args = ARGS(ARG_ENTRY_HTON(rte_be32_t)),
2913                 .call = parse_vc_conf,
2914         },
2915         [ACTION_DEC_TCP_SEQ] = {
2916                 .name = "dec_tcp_seq",
2917                 .help = "decrease TCP sequence number",
2918                 .priv = PRIV_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)),
2919                 .next = NEXT(action_dec_tcp_seq),
2920                 .call = parse_vc,
2921         },
2922         [ACTION_DEC_TCP_SEQ_VALUE] = {
2923                 .name = "value",
2924                 .help = "the value to decrease TCP sequence number by",
2925                 .next = NEXT(action_dec_tcp_seq, NEXT_ENTRY(UNSIGNED)),
2926                 .args = ARGS(ARG_ENTRY_HTON(rte_be32_t)),
2927                 .call = parse_vc_conf,
2928         },
2929         [ACTION_INC_TCP_ACK] = {
2930                 .name = "inc_tcp_ack",
2931                 .help = "increase TCP acknowledgment number",
2932                 .priv = PRIV_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)),
2933                 .next = NEXT(action_inc_tcp_ack),
2934                 .call = parse_vc,
2935         },
2936         [ACTION_INC_TCP_ACK_VALUE] = {
2937                 .name = "value",
2938                 .help = "the value to increase TCP acknowledgment number by",
2939                 .next = NEXT(action_inc_tcp_ack, NEXT_ENTRY(UNSIGNED)),
2940                 .args = ARGS(ARG_ENTRY_HTON(rte_be32_t)),
2941                 .call = parse_vc_conf,
2942         },
2943         [ACTION_DEC_TCP_ACK] = {
2944                 .name = "dec_tcp_ack",
2945                 .help = "decrease TCP acknowledgment number",
2946                 .priv = PRIV_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)),
2947                 .next = NEXT(action_dec_tcp_ack),
2948                 .call = parse_vc,
2949         },
2950         [ACTION_DEC_TCP_ACK_VALUE] = {
2951                 .name = "value",
2952                 .help = "the value to decrease TCP acknowledgment number by",
2953                 .next = NEXT(action_dec_tcp_ack, NEXT_ENTRY(UNSIGNED)),
2954                 .args = ARGS(ARG_ENTRY_HTON(rte_be32_t)),
2955                 .call = parse_vc_conf,
2956         },
2957 };
2958
2959 /** Remove and return last entry from argument stack. */
2960 static const struct arg *
2961 pop_args(struct context *ctx)
2962 {
2963         return ctx->args_num ? ctx->args[--ctx->args_num] : NULL;
2964 }
2965
2966 /** Add entry on top of the argument stack. */
2967 static int
2968 push_args(struct context *ctx, const struct arg *arg)
2969 {
2970         if (ctx->args_num == CTX_STACK_SIZE)
2971                 return -1;
2972         ctx->args[ctx->args_num++] = arg;
2973         return 0;
2974 }
2975
2976 /** Spread value into buffer according to bit-mask. */
2977 static size_t
2978 arg_entry_bf_fill(void *dst, uintmax_t val, const struct arg *arg)
2979 {
2980         uint32_t i = arg->size;
2981         uint32_t end = 0;
2982         int sub = 1;
2983         int add = 0;
2984         size_t len = 0;
2985
2986         if (!arg->mask)
2987                 return 0;
2988 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
2989         if (!arg->hton) {
2990                 i = 0;
2991                 end = arg->size;
2992                 sub = 0;
2993                 add = 1;
2994         }
2995 #endif
2996         while (i != end) {
2997                 unsigned int shift = 0;
2998                 uint8_t *buf = (uint8_t *)dst + arg->offset + (i -= sub);
2999
3000                 for (shift = 0; arg->mask[i] >> shift; ++shift) {
3001                         if (!(arg->mask[i] & (1 << shift)))
3002                                 continue;
3003                         ++len;
3004                         if (!dst)
3005                                 continue;
3006                         *buf &= ~(1 << shift);
3007                         *buf |= (val & 1) << shift;
3008                         val >>= 1;
3009                 }
3010                 i += add;
3011         }
3012         return len;
3013 }
3014
3015 /** Compare a string with a partial one of a given length. */
3016 static int
3017 strcmp_partial(const char *full, const char *partial, size_t partial_len)
3018 {
3019         int r = strncmp(full, partial, partial_len);
3020
3021         if (r)
3022                 return r;
3023         if (strlen(full) <= partial_len)
3024                 return 0;
3025         return full[partial_len];
3026 }
3027
3028 /**
3029  * Parse a prefix length and generate a bit-mask.
3030  *
3031  * Last argument (ctx->args) is retrieved to determine mask size, storage
3032  * location and whether the result must use network byte ordering.
3033  */
3034 static int
3035 parse_prefix(struct context *ctx, const struct token *token,
3036              const char *str, unsigned int len,
3037              void *buf, unsigned int size)
3038 {
3039         const struct arg *arg = pop_args(ctx);
3040         static const uint8_t conv[] = "\x00\x80\xc0\xe0\xf0\xf8\xfc\xfe\xff";
3041         char *end;
3042         uintmax_t u;
3043         unsigned int bytes;
3044         unsigned int extra;
3045
3046         (void)token;
3047         /* Argument is expected. */
3048         if (!arg)
3049                 return -1;
3050         errno = 0;
3051         u = strtoumax(str, &end, 0);
3052         if (errno || (size_t)(end - str) != len)
3053                 goto error;
3054         if (arg->mask) {
3055                 uintmax_t v = 0;
3056
3057                 extra = arg_entry_bf_fill(NULL, 0, arg);
3058                 if (u > extra)
3059                         goto error;
3060                 if (!ctx->object)
3061                         return len;
3062                 extra -= u;
3063                 while (u--)
3064                         (v <<= 1, v |= 1);
3065                 v <<= extra;
3066                 if (!arg_entry_bf_fill(ctx->object, v, arg) ||
3067                     !arg_entry_bf_fill(ctx->objmask, -1, arg))
3068                         goto error;
3069                 return len;
3070         }
3071         bytes = u / 8;
3072         extra = u % 8;
3073         size = arg->size;
3074         if (bytes > size || bytes + !!extra > size)
3075                 goto error;
3076         if (!ctx->object)
3077                 return len;
3078         buf = (uint8_t *)ctx->object + arg->offset;
3079 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
3080         if (!arg->hton) {
3081                 memset((uint8_t *)buf + size - bytes, 0xff, bytes);
3082                 memset(buf, 0x00, size - bytes);
3083                 if (extra)
3084                         ((uint8_t *)buf)[size - bytes - 1] = conv[extra];
3085         } else
3086 #endif
3087         {
3088                 memset(buf, 0xff, bytes);
3089                 memset((uint8_t *)buf + bytes, 0x00, size - bytes);
3090                 if (extra)
3091                         ((uint8_t *)buf)[bytes] = conv[extra];
3092         }
3093         if (ctx->objmask)
3094                 memset((uint8_t *)ctx->objmask + arg->offset, 0xff, size);
3095         return len;
3096 error:
3097         push_args(ctx, arg);
3098         return -1;
3099 }
3100
3101 /** Default parsing function for token name matching. */
3102 static int
3103 parse_default(struct context *ctx, const struct token *token,
3104               const char *str, unsigned int len,
3105               void *buf, unsigned int size)
3106 {
3107         (void)ctx;
3108         (void)buf;
3109         (void)size;
3110         if (strcmp_partial(token->name, str, len))
3111                 return -1;
3112         return len;
3113 }
3114
3115 /** Parse flow command, initialize output buffer for subsequent tokens. */
3116 static int
3117 parse_init(struct context *ctx, const struct token *token,
3118            const char *str, unsigned int len,
3119            void *buf, unsigned int size)
3120 {
3121         struct buffer *out = buf;
3122
3123         /* Token name must match. */
3124         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
3125                 return -1;
3126         /* Nothing else to do if there is no buffer. */
3127         if (!out)
3128                 return len;
3129         /* Make sure buffer is large enough. */
3130         if (size < sizeof(*out))
3131                 return -1;
3132         /* Initialize buffer. */
3133         memset(out, 0x00, sizeof(*out));
3134         memset((uint8_t *)out + sizeof(*out), 0x22, size - sizeof(*out));
3135         ctx->objdata = 0;
3136         ctx->object = out;
3137         ctx->objmask = NULL;
3138         return len;
3139 }
3140
3141 /** Parse tokens for validate/create commands. */
3142 static int
3143 parse_vc(struct context *ctx, const struct token *token,
3144          const char *str, unsigned int len,
3145          void *buf, unsigned int size)
3146 {
3147         struct buffer *out = buf;
3148         uint8_t *data;
3149         uint32_t data_size;
3150
3151         /* Token name must match. */
3152         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
3153                 return -1;
3154         /* Nothing else to do if there is no buffer. */
3155         if (!out)
3156                 return len;
3157         if (!out->command) {
3158                 if (ctx->curr != VALIDATE && ctx->curr != CREATE)
3159                         return -1;
3160                 if (sizeof(*out) > size)
3161                         return -1;
3162                 out->command = ctx->curr;
3163                 ctx->objdata = 0;
3164                 ctx->object = out;
3165                 ctx->objmask = NULL;
3166                 out->args.vc.data = (uint8_t *)out + size;
3167                 return len;
3168         }
3169         ctx->objdata = 0;
3170         ctx->object = &out->args.vc.attr;
3171         ctx->objmask = NULL;
3172         switch (ctx->curr) {
3173         case GROUP:
3174         case PRIORITY:
3175                 return len;
3176         case INGRESS:
3177                 out->args.vc.attr.ingress = 1;
3178                 return len;
3179         case EGRESS:
3180                 out->args.vc.attr.egress = 1;
3181                 return len;
3182         case TRANSFER:
3183                 out->args.vc.attr.transfer = 1;
3184                 return len;
3185         case PATTERN:
3186                 out->args.vc.pattern =
3187                         (void *)RTE_ALIGN_CEIL((uintptr_t)(out + 1),
3188                                                sizeof(double));
3189                 ctx->object = out->args.vc.pattern;
3190                 ctx->objmask = NULL;
3191                 return len;
3192         case ACTIONS:
3193                 out->args.vc.actions =
3194                         (void *)RTE_ALIGN_CEIL((uintptr_t)
3195                                                (out->args.vc.pattern +
3196                                                 out->args.vc.pattern_n),
3197                                                sizeof(double));
3198                 ctx->object = out->args.vc.actions;
3199                 ctx->objmask = NULL;
3200                 return len;
3201         default:
3202                 if (!token->priv)
3203                         return -1;
3204                 break;
3205         }
3206         if (!out->args.vc.actions) {
3207                 const struct parse_item_priv *priv = token->priv;
3208                 struct rte_flow_item *item =
3209                         out->args.vc.pattern + out->args.vc.pattern_n;
3210
3211                 data_size = priv->size * 3; /* spec, last, mask */
3212                 data = (void *)RTE_ALIGN_FLOOR((uintptr_t)
3213                                                (out->args.vc.data - data_size),
3214                                                sizeof(double));
3215                 if ((uint8_t *)item + sizeof(*item) > data)
3216                         return -1;
3217                 *item = (struct rte_flow_item){
3218                         .type = priv->type,
3219                 };
3220                 ++out->args.vc.pattern_n;
3221                 ctx->object = item;
3222                 ctx->objmask = NULL;
3223         } else {
3224                 const struct parse_action_priv *priv = token->priv;
3225                 struct rte_flow_action *action =
3226                         out->args.vc.actions + out->args.vc.actions_n;
3227
3228                 data_size = priv->size; /* configuration */
3229                 data = (void *)RTE_ALIGN_FLOOR((uintptr_t)
3230                                                (out->args.vc.data - data_size),
3231                                                sizeof(double));
3232                 if ((uint8_t *)action + sizeof(*action) > data)
3233                         return -1;
3234                 *action = (struct rte_flow_action){
3235                         .type = priv->type,
3236                         .conf = data_size ? data : NULL,
3237                 };
3238                 ++out->args.vc.actions_n;
3239                 ctx->object = action;
3240                 ctx->objmask = NULL;
3241         }
3242         memset(data, 0, data_size);
3243         out->args.vc.data = data;
3244         ctx->objdata = data_size;
3245         return len;
3246 }
3247
3248 /** Parse pattern item parameter type. */
3249 static int
3250 parse_vc_spec(struct context *ctx, const struct token *token,
3251               const char *str, unsigned int len,
3252               void *buf, unsigned int size)
3253 {
3254         struct buffer *out = buf;
3255         struct rte_flow_item *item;
3256         uint32_t data_size;
3257         int index;
3258         int objmask = 0;
3259
3260         (void)size;
3261         /* Token name must match. */
3262         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
3263                 return -1;
3264         /* Parse parameter types. */
3265         switch (ctx->curr) {
3266                 static const enum index prefix[] = NEXT_ENTRY(PREFIX);
3267
3268         case ITEM_PARAM_IS:
3269                 index = 0;
3270                 objmask = 1;
3271                 break;
3272         case ITEM_PARAM_SPEC:
3273                 index = 0;
3274                 break;
3275         case ITEM_PARAM_LAST:
3276                 index = 1;
3277                 break;
3278         case ITEM_PARAM_PREFIX:
3279                 /* Modify next token to expect a prefix. */
3280                 if (ctx->next_num < 2)
3281                         return -1;
3282                 ctx->next[ctx->next_num - 2] = prefix;
3283                 /* Fall through. */
3284         case ITEM_PARAM_MASK:
3285                 index = 2;
3286                 break;
3287         default:
3288                 return -1;
3289         }
3290         /* Nothing else to do if there is no buffer. */
3291         if (!out)
3292                 return len;
3293         if (!out->args.vc.pattern_n)
3294                 return -1;
3295         item = &out->args.vc.pattern[out->args.vc.pattern_n - 1];
3296         data_size = ctx->objdata / 3; /* spec, last, mask */
3297         /* Point to selected object. */
3298         ctx->object = out->args.vc.data + (data_size * index);
3299         if (objmask) {
3300                 ctx->objmask = out->args.vc.data + (data_size * 2); /* mask */
3301                 item->mask = ctx->objmask;
3302         } else
3303                 ctx->objmask = NULL;
3304         /* Update relevant item pointer. */
3305         *((const void **[]){ &item->spec, &item->last, &item->mask })[index] =
3306                 ctx->object;
3307         return len;
3308 }
3309
3310 /** Parse action configuration field. */
3311 static int
3312 parse_vc_conf(struct context *ctx, const struct token *token,
3313               const char *str, unsigned int len,
3314               void *buf, unsigned int size)
3315 {
3316         struct buffer *out = buf;
3317
3318         (void)size;
3319         /* Token name must match. */
3320         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
3321                 return -1;
3322         /* Nothing else to do if there is no buffer. */
3323         if (!out)
3324                 return len;
3325         /* Point to selected object. */
3326         ctx->object = out->args.vc.data;
3327         ctx->objmask = NULL;
3328         return len;
3329 }
3330
3331 /** Parse RSS action. */
3332 static int
3333 parse_vc_action_rss(struct context *ctx, const struct token *token,
3334                     const char *str, unsigned int len,
3335                     void *buf, unsigned int size)
3336 {
3337         struct buffer *out = buf;
3338         struct rte_flow_action *action;
3339         struct action_rss_data *action_rss_data;
3340         unsigned int i;
3341         int ret;
3342
3343         ret = parse_vc(ctx, token, str, len, buf, size);
3344         if (ret < 0)
3345                 return ret;
3346         /* Nothing else to do if there is no buffer. */
3347         if (!out)
3348                 return ret;
3349         if (!out->args.vc.actions_n)
3350                 return -1;
3351         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
3352         /* Point to selected object. */
3353         ctx->object = out->args.vc.data;
3354         ctx->objmask = NULL;
3355         /* Set up default configuration. */
3356         action_rss_data = ctx->object;
3357         *action_rss_data = (struct action_rss_data){
3358                 .conf = (struct rte_flow_action_rss){
3359                         .func = RTE_ETH_HASH_FUNCTION_DEFAULT,
3360                         .level = 0,
3361                         .types = rss_hf,
3362                         .key_len = sizeof(action_rss_data->key),
3363                         .queue_num = RTE_MIN(nb_rxq, ACTION_RSS_QUEUE_NUM),
3364                         .key = action_rss_data->key,
3365                         .queue = action_rss_data->queue,
3366                 },
3367                 .key = "testpmd's default RSS hash key, "
3368                         "override it for better balancing",
3369                 .queue = { 0 },
3370         };
3371         for (i = 0; i < action_rss_data->conf.queue_num; ++i)
3372                 action_rss_data->queue[i] = i;
3373         if (!port_id_is_invalid(ctx->port, DISABLED_WARN) &&
3374             ctx->port != (portid_t)RTE_PORT_ALL) {
3375                 struct rte_eth_dev_info info;
3376
3377                 rte_eth_dev_info_get(ctx->port, &info);
3378                 action_rss_data->conf.key_len =
3379                         RTE_MIN(sizeof(action_rss_data->key),
3380                                 info.hash_key_size);
3381         }
3382         action->conf = &action_rss_data->conf;
3383         return ret;
3384 }
3385
3386 /**
3387  * Parse func field for RSS action.
3388  *
3389  * The RTE_ETH_HASH_FUNCTION_* value to assign is derived from the
3390  * ACTION_RSS_FUNC_* index that called this function.
3391  */
3392 static int
3393 parse_vc_action_rss_func(struct context *ctx, const struct token *token,
3394                          const char *str, unsigned int len,
3395                          void *buf, unsigned int size)
3396 {
3397         struct action_rss_data *action_rss_data;
3398         enum rte_eth_hash_function func;
3399
3400         (void)buf;
3401         (void)size;
3402         /* Token name must match. */
3403         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
3404                 return -1;
3405         switch (ctx->curr) {
3406         case ACTION_RSS_FUNC_DEFAULT:
3407                 func = RTE_ETH_HASH_FUNCTION_DEFAULT;
3408                 break;
3409         case ACTION_RSS_FUNC_TOEPLITZ:
3410                 func = RTE_ETH_HASH_FUNCTION_TOEPLITZ;
3411                 break;
3412         case ACTION_RSS_FUNC_SIMPLE_XOR:
3413                 func = RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
3414                 break;
3415         default:
3416                 return -1;
3417         }
3418         if (!ctx->object)
3419                 return len;
3420         action_rss_data = ctx->object;
3421         action_rss_data->conf.func = func;
3422         return len;
3423 }
3424
3425 /**
3426  * Parse type field for RSS action.
3427  *
3428  * Valid tokens are type field names and the "end" token.
3429  */
3430 static int
3431 parse_vc_action_rss_type(struct context *ctx, const struct token *token,
3432                           const char *str, unsigned int len,
3433                           void *buf, unsigned int size)
3434 {
3435         static const enum index next[] = NEXT_ENTRY(ACTION_RSS_TYPE);
3436         struct action_rss_data *action_rss_data;
3437         unsigned int i;
3438
3439         (void)token;
3440         (void)buf;
3441         (void)size;
3442         if (ctx->curr != ACTION_RSS_TYPE)
3443                 return -1;
3444         if (!(ctx->objdata >> 16) && ctx->object) {
3445                 action_rss_data = ctx->object;
3446                 action_rss_data->conf.types = 0;
3447         }
3448         if (!strcmp_partial("end", str, len)) {
3449                 ctx->objdata &= 0xffff;
3450                 return len;
3451         }
3452         for (i = 0; rss_type_table[i].str; ++i)
3453                 if (!strcmp_partial(rss_type_table[i].str, str, len))
3454                         break;
3455         if (!rss_type_table[i].str)
3456                 return -1;
3457         ctx->objdata = 1 << 16 | (ctx->objdata & 0xffff);
3458         /* Repeat token. */
3459         if (ctx->next_num == RTE_DIM(ctx->next))
3460                 return -1;
3461         ctx->next[ctx->next_num++] = next;
3462         if (!ctx->object)
3463                 return len;
3464         action_rss_data = ctx->object;
3465         action_rss_data->conf.types |= rss_type_table[i].rss_type;
3466         return len;
3467 }
3468
3469 /**
3470  * Parse queue field for RSS action.
3471  *
3472  * Valid tokens are queue indices and the "end" token.
3473  */
3474 static int
3475 parse_vc_action_rss_queue(struct context *ctx, const struct token *token,
3476                           const char *str, unsigned int len,
3477                           void *buf, unsigned int size)
3478 {
3479         static const enum index next[] = NEXT_ENTRY(ACTION_RSS_QUEUE);
3480         struct action_rss_data *action_rss_data;
3481         int ret;
3482         int i;
3483
3484         (void)token;
3485         (void)buf;
3486         (void)size;
3487         if (ctx->curr != ACTION_RSS_QUEUE)
3488                 return -1;
3489         i = ctx->objdata >> 16;
3490         if (!strcmp_partial("end", str, len)) {
3491                 ctx->objdata &= 0xffff;
3492                 goto end;
3493         }
3494         if (i >= ACTION_RSS_QUEUE_NUM)
3495                 return -1;
3496         if (push_args(ctx,
3497                       ARGS_ENTRY_ARB(offsetof(struct action_rss_data, queue) +
3498                                      i * sizeof(action_rss_data->queue[i]),
3499                                      sizeof(action_rss_data->queue[i]))))
3500                 return -1;
3501         ret = parse_int(ctx, token, str, len, NULL, 0);
3502         if (ret < 0) {
3503                 pop_args(ctx);
3504                 return -1;
3505         }
3506         ++i;
3507         ctx->objdata = i << 16 | (ctx->objdata & 0xffff);
3508         /* Repeat token. */
3509         if (ctx->next_num == RTE_DIM(ctx->next))
3510                 return -1;
3511         ctx->next[ctx->next_num++] = next;
3512 end:
3513         if (!ctx->object)
3514                 return len;
3515         action_rss_data = ctx->object;
3516         action_rss_data->conf.queue_num = i;
3517         action_rss_data->conf.queue = i ? action_rss_data->queue : NULL;
3518         return len;
3519 }
3520
3521 /** Parse VXLAN encap action. */
3522 static int
3523 parse_vc_action_vxlan_encap(struct context *ctx, const struct token *token,
3524                             const char *str, unsigned int len,
3525                             void *buf, unsigned int size)
3526 {
3527         struct buffer *out = buf;
3528         struct rte_flow_action *action;
3529         struct action_vxlan_encap_data *action_vxlan_encap_data;
3530         int ret;
3531
3532         ret = parse_vc(ctx, token, str, len, buf, size);
3533         if (ret < 0)
3534                 return ret;
3535         /* Nothing else to do if there is no buffer. */
3536         if (!out)
3537                 return ret;
3538         if (!out->args.vc.actions_n)
3539                 return -1;
3540         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
3541         /* Point to selected object. */
3542         ctx->object = out->args.vc.data;
3543         ctx->objmask = NULL;
3544         /* Set up default configuration. */
3545         action_vxlan_encap_data = ctx->object;
3546         *action_vxlan_encap_data = (struct action_vxlan_encap_data){
3547                 .conf = (struct rte_flow_action_vxlan_encap){
3548                         .definition = action_vxlan_encap_data->items,
3549                 },
3550                 .items = {
3551                         {
3552                                 .type = RTE_FLOW_ITEM_TYPE_ETH,
3553                                 .spec = &action_vxlan_encap_data->item_eth,
3554                                 .mask = &rte_flow_item_eth_mask,
3555                         },
3556                         {
3557                                 .type = RTE_FLOW_ITEM_TYPE_VLAN,
3558                                 .spec = &action_vxlan_encap_data->item_vlan,
3559                                 .mask = &rte_flow_item_vlan_mask,
3560                         },
3561                         {
3562                                 .type = RTE_FLOW_ITEM_TYPE_IPV4,
3563                                 .spec = &action_vxlan_encap_data->item_ipv4,
3564                                 .mask = &rte_flow_item_ipv4_mask,
3565                         },
3566                         {
3567                                 .type = RTE_FLOW_ITEM_TYPE_UDP,
3568                                 .spec = &action_vxlan_encap_data->item_udp,
3569                                 .mask = &rte_flow_item_udp_mask,
3570                         },
3571                         {
3572                                 .type = RTE_FLOW_ITEM_TYPE_VXLAN,
3573                                 .spec = &action_vxlan_encap_data->item_vxlan,
3574                                 .mask = &rte_flow_item_vxlan_mask,
3575                         },
3576                         {
3577                                 .type = RTE_FLOW_ITEM_TYPE_END,
3578                         },
3579                 },
3580                 .item_eth.type = 0,
3581                 .item_vlan = {
3582                         .tci = vxlan_encap_conf.vlan_tci,
3583                         .inner_type = 0,
3584                 },
3585                 .item_ipv4.hdr = {
3586                         .src_addr = vxlan_encap_conf.ipv4_src,
3587                         .dst_addr = vxlan_encap_conf.ipv4_dst,
3588                 },
3589                 .item_udp.hdr = {
3590                         .src_port = vxlan_encap_conf.udp_src,
3591                         .dst_port = vxlan_encap_conf.udp_dst,
3592                 },
3593                 .item_vxlan.flags = 0,
3594         };
3595         memcpy(action_vxlan_encap_data->item_eth.dst.addr_bytes,
3596                vxlan_encap_conf.eth_dst, RTE_ETHER_ADDR_LEN);
3597         memcpy(action_vxlan_encap_data->item_eth.src.addr_bytes,
3598                vxlan_encap_conf.eth_src, RTE_ETHER_ADDR_LEN);
3599         if (!vxlan_encap_conf.select_ipv4) {
3600                 memcpy(&action_vxlan_encap_data->item_ipv6.hdr.src_addr,
3601                        &vxlan_encap_conf.ipv6_src,
3602                        sizeof(vxlan_encap_conf.ipv6_src));
3603                 memcpy(&action_vxlan_encap_data->item_ipv6.hdr.dst_addr,
3604                        &vxlan_encap_conf.ipv6_dst,
3605                        sizeof(vxlan_encap_conf.ipv6_dst));
3606                 action_vxlan_encap_data->items[2] = (struct rte_flow_item){
3607                         .type = RTE_FLOW_ITEM_TYPE_IPV6,
3608                         .spec = &action_vxlan_encap_data->item_ipv6,
3609                         .mask = &rte_flow_item_ipv6_mask,
3610                 };
3611         }
3612         if (!vxlan_encap_conf.select_vlan)
3613                 action_vxlan_encap_data->items[1].type =
3614                         RTE_FLOW_ITEM_TYPE_VOID;
3615         if (vxlan_encap_conf.select_tos_ttl) {
3616                 if (vxlan_encap_conf.select_ipv4) {
3617                         static struct rte_flow_item_ipv4 ipv4_mask_tos;
3618
3619                         memcpy(&ipv4_mask_tos, &rte_flow_item_ipv4_mask,
3620                                sizeof(ipv4_mask_tos));
3621                         ipv4_mask_tos.hdr.type_of_service = 0xff;
3622                         ipv4_mask_tos.hdr.time_to_live = 0xff;
3623                         action_vxlan_encap_data->item_ipv4.hdr.type_of_service =
3624                                         vxlan_encap_conf.ip_tos;
3625                         action_vxlan_encap_data->item_ipv4.hdr.time_to_live =
3626                                         vxlan_encap_conf.ip_ttl;
3627                         action_vxlan_encap_data->items[2].mask =
3628                                                         &ipv4_mask_tos;
3629                 } else {
3630                         static struct rte_flow_item_ipv6 ipv6_mask_tos;
3631
3632                         memcpy(&ipv6_mask_tos, &rte_flow_item_ipv6_mask,
3633                                sizeof(ipv6_mask_tos));
3634                         ipv6_mask_tos.hdr.vtc_flow |=
3635                                 RTE_BE32(0xfful << RTE_IPV6_HDR_TC_SHIFT);
3636                         ipv6_mask_tos.hdr.hop_limits = 0xff;
3637                         action_vxlan_encap_data->item_ipv6.hdr.vtc_flow |=
3638                                 rte_cpu_to_be_32
3639                                         ((uint32_t)vxlan_encap_conf.ip_tos <<
3640                                          RTE_IPV6_HDR_TC_SHIFT);
3641                         action_vxlan_encap_data->item_ipv6.hdr.hop_limits =
3642                                         vxlan_encap_conf.ip_ttl;
3643                         action_vxlan_encap_data->items[2].mask =
3644                                                         &ipv6_mask_tos;
3645                 }
3646         }
3647         memcpy(action_vxlan_encap_data->item_vxlan.vni, vxlan_encap_conf.vni,
3648                RTE_DIM(vxlan_encap_conf.vni));
3649         action->conf = &action_vxlan_encap_data->conf;
3650         return ret;
3651 }
3652
3653 /** Parse NVGRE encap action. */
3654 static int
3655 parse_vc_action_nvgre_encap(struct context *ctx, const struct token *token,
3656                             const char *str, unsigned int len,
3657                             void *buf, unsigned int size)
3658 {
3659         struct buffer *out = buf;
3660         struct rte_flow_action *action;
3661         struct action_nvgre_encap_data *action_nvgre_encap_data;
3662         int ret;
3663
3664         ret = parse_vc(ctx, token, str, len, buf, size);
3665         if (ret < 0)
3666                 return ret;
3667         /* Nothing else to do if there is no buffer. */
3668         if (!out)
3669                 return ret;
3670         if (!out->args.vc.actions_n)
3671                 return -1;
3672         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
3673         /* Point to selected object. */
3674         ctx->object = out->args.vc.data;
3675         ctx->objmask = NULL;
3676         /* Set up default configuration. */
3677         action_nvgre_encap_data = ctx->object;
3678         *action_nvgre_encap_data = (struct action_nvgre_encap_data){
3679                 .conf = (struct rte_flow_action_nvgre_encap){
3680                         .definition = action_nvgre_encap_data->items,
3681                 },
3682                 .items = {
3683                         {
3684                                 .type = RTE_FLOW_ITEM_TYPE_ETH,
3685                                 .spec = &action_nvgre_encap_data->item_eth,
3686                                 .mask = &rte_flow_item_eth_mask,
3687                         },
3688                         {
3689                                 .type = RTE_FLOW_ITEM_TYPE_VLAN,
3690                                 .spec = &action_nvgre_encap_data->item_vlan,
3691                                 .mask = &rte_flow_item_vlan_mask,
3692                         },
3693                         {
3694                                 .type = RTE_FLOW_ITEM_TYPE_IPV4,
3695                                 .spec = &action_nvgre_encap_data->item_ipv4,
3696                                 .mask = &rte_flow_item_ipv4_mask,
3697                         },
3698                         {
3699                                 .type = RTE_FLOW_ITEM_TYPE_NVGRE,
3700                                 .spec = &action_nvgre_encap_data->item_nvgre,
3701                                 .mask = &rte_flow_item_nvgre_mask,
3702                         },
3703                         {
3704                                 .type = RTE_FLOW_ITEM_TYPE_END,
3705                         },
3706                 },
3707                 .item_eth.type = 0,
3708                 .item_vlan = {
3709                         .tci = nvgre_encap_conf.vlan_tci,
3710                         .inner_type = 0,
3711                 },
3712                 .item_ipv4.hdr = {
3713                        .src_addr = nvgre_encap_conf.ipv4_src,
3714                        .dst_addr = nvgre_encap_conf.ipv4_dst,
3715                 },
3716                 .item_nvgre.flow_id = 0,
3717         };
3718         memcpy(action_nvgre_encap_data->item_eth.dst.addr_bytes,
3719                nvgre_encap_conf.eth_dst, RTE_ETHER_ADDR_LEN);
3720         memcpy(action_nvgre_encap_data->item_eth.src.addr_bytes,
3721                nvgre_encap_conf.eth_src, RTE_ETHER_ADDR_LEN);
3722         if (!nvgre_encap_conf.select_ipv4) {
3723                 memcpy(&action_nvgre_encap_data->item_ipv6.hdr.src_addr,
3724                        &nvgre_encap_conf.ipv6_src,
3725                        sizeof(nvgre_encap_conf.ipv6_src));
3726                 memcpy(&action_nvgre_encap_data->item_ipv6.hdr.dst_addr,
3727                        &nvgre_encap_conf.ipv6_dst,
3728                        sizeof(nvgre_encap_conf.ipv6_dst));
3729                 action_nvgre_encap_data->items[2] = (struct rte_flow_item){
3730                         .type = RTE_FLOW_ITEM_TYPE_IPV6,
3731                         .spec = &action_nvgre_encap_data->item_ipv6,
3732                         .mask = &rte_flow_item_ipv6_mask,
3733                 };
3734         }
3735         if (!nvgre_encap_conf.select_vlan)
3736                 action_nvgre_encap_data->items[1].type =
3737                         RTE_FLOW_ITEM_TYPE_VOID;
3738         memcpy(action_nvgre_encap_data->item_nvgre.tni, nvgre_encap_conf.tni,
3739                RTE_DIM(nvgre_encap_conf.tni));
3740         action->conf = &action_nvgre_encap_data->conf;
3741         return ret;
3742 }
3743
3744 /** Parse l2 encap action. */
3745 static int
3746 parse_vc_action_l2_encap(struct context *ctx, const struct token *token,
3747                          const char *str, unsigned int len,
3748                          void *buf, unsigned int size)
3749 {
3750         struct buffer *out = buf;
3751         struct rte_flow_action *action;
3752         struct action_raw_encap_data *action_encap_data;
3753         struct rte_flow_item_eth eth = { .type = 0, };
3754         struct rte_flow_item_vlan vlan = {
3755                 .tci = mplsoudp_encap_conf.vlan_tci,
3756                 .inner_type = 0,
3757         };
3758         uint8_t *header;
3759         int ret;
3760
3761         ret = parse_vc(ctx, token, str, len, buf, size);
3762         if (ret < 0)
3763                 return ret;
3764         /* Nothing else to do if there is no buffer. */
3765         if (!out)
3766                 return ret;
3767         if (!out->args.vc.actions_n)
3768                 return -1;
3769         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
3770         /* Point to selected object. */
3771         ctx->object = out->args.vc.data;
3772         ctx->objmask = NULL;
3773         /* Copy the headers to the buffer. */
3774         action_encap_data = ctx->object;
3775         *action_encap_data = (struct action_raw_encap_data) {
3776                 .conf = (struct rte_flow_action_raw_encap){
3777                         .data = action_encap_data->data,
3778                 },
3779                 .data = {},
3780         };
3781         header = action_encap_data->data;
3782         if (l2_encap_conf.select_vlan)
3783                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN);
3784         else if (l2_encap_conf.select_ipv4)
3785                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
3786         else
3787                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
3788         memcpy(eth.dst.addr_bytes,
3789                l2_encap_conf.eth_dst, RTE_ETHER_ADDR_LEN);
3790         memcpy(eth.src.addr_bytes,
3791                l2_encap_conf.eth_src, RTE_ETHER_ADDR_LEN);
3792         memcpy(header, &eth, sizeof(eth));
3793         header += sizeof(eth);
3794         if (l2_encap_conf.select_vlan) {
3795                 if (l2_encap_conf.select_ipv4)
3796                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
3797                 else
3798                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
3799                 memcpy(header, &vlan, sizeof(vlan));
3800                 header += sizeof(vlan);
3801         }
3802         action_encap_data->conf.size = header -
3803                 action_encap_data->data;
3804         action->conf = &action_encap_data->conf;
3805         return ret;
3806 }
3807
3808 /** Parse l2 decap action. */
3809 static int
3810 parse_vc_action_l2_decap(struct context *ctx, const struct token *token,
3811                          const char *str, unsigned int len,
3812                          void *buf, unsigned int size)
3813 {
3814         struct buffer *out = buf;
3815         struct rte_flow_action *action;
3816         struct action_raw_decap_data *action_decap_data;
3817         struct rte_flow_item_eth eth = { .type = 0, };
3818         struct rte_flow_item_vlan vlan = {
3819                 .tci = mplsoudp_encap_conf.vlan_tci,
3820                 .inner_type = 0,
3821         };
3822         uint8_t *header;
3823         int ret;
3824
3825         ret = parse_vc(ctx, token, str, len, buf, size);
3826         if (ret < 0)
3827                 return ret;
3828         /* Nothing else to do if there is no buffer. */
3829         if (!out)
3830                 return ret;
3831         if (!out->args.vc.actions_n)
3832                 return -1;
3833         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
3834         /* Point to selected object. */
3835         ctx->object = out->args.vc.data;
3836         ctx->objmask = NULL;
3837         /* Copy the headers to the buffer. */
3838         action_decap_data = ctx->object;
3839         *action_decap_data = (struct action_raw_decap_data) {
3840                 .conf = (struct rte_flow_action_raw_decap){
3841                         .data = action_decap_data->data,
3842                 },
3843                 .data = {},
3844         };
3845         header = action_decap_data->data;
3846         if (l2_decap_conf.select_vlan)
3847                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN);
3848         memcpy(header, &eth, sizeof(eth));
3849         header += sizeof(eth);
3850         if (l2_decap_conf.select_vlan) {
3851                 memcpy(header, &vlan, sizeof(vlan));
3852                 header += sizeof(vlan);
3853         }
3854         action_decap_data->conf.size = header -
3855                 action_decap_data->data;
3856         action->conf = &action_decap_data->conf;
3857         return ret;
3858 }
3859
3860 #define ETHER_TYPE_MPLS_UNICAST 0x8847
3861
3862 /** Parse MPLSOGRE encap action. */
3863 static int
3864 parse_vc_action_mplsogre_encap(struct context *ctx, const struct token *token,
3865                                const char *str, unsigned int len,
3866                                void *buf, unsigned int size)
3867 {
3868         struct buffer *out = buf;
3869         struct rte_flow_action *action;
3870         struct action_raw_encap_data *action_encap_data;
3871         struct rte_flow_item_eth eth = { .type = 0, };
3872         struct rte_flow_item_vlan vlan = {
3873                 .tci = mplsogre_encap_conf.vlan_tci,
3874                 .inner_type = 0,
3875         };
3876         struct rte_flow_item_ipv4 ipv4 = {
3877                 .hdr =  {
3878                         .src_addr = mplsogre_encap_conf.ipv4_src,
3879                         .dst_addr = mplsogre_encap_conf.ipv4_dst,
3880                         .next_proto_id = IPPROTO_GRE,
3881                 },
3882         };
3883         struct rte_flow_item_ipv6 ipv6 = {
3884                 .hdr =  {
3885                         .proto = IPPROTO_GRE,
3886                 },
3887         };
3888         struct rte_flow_item_gre gre = {
3889                 .protocol = rte_cpu_to_be_16(ETHER_TYPE_MPLS_UNICAST),
3890         };
3891         struct rte_flow_item_mpls mpls;
3892         uint8_t *header;
3893         int ret;
3894
3895         ret = parse_vc(ctx, token, str, len, buf, size);
3896         if (ret < 0)
3897                 return ret;
3898         /* Nothing else to do if there is no buffer. */
3899         if (!out)
3900                 return ret;
3901         if (!out->args.vc.actions_n)
3902                 return -1;
3903         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
3904         /* Point to selected object. */
3905         ctx->object = out->args.vc.data;
3906         ctx->objmask = NULL;
3907         /* Copy the headers to the buffer. */
3908         action_encap_data = ctx->object;
3909         *action_encap_data = (struct action_raw_encap_data) {
3910                 .conf = (struct rte_flow_action_raw_encap){
3911                         .data = action_encap_data->data,
3912                 },
3913                 .data = {},
3914                 .preserve = {},
3915         };
3916         header = action_encap_data->data;
3917         if (mplsogre_encap_conf.select_vlan)
3918                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN);
3919         else if (mplsogre_encap_conf.select_ipv4)
3920                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
3921         else
3922                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
3923         memcpy(eth.dst.addr_bytes,
3924                mplsogre_encap_conf.eth_dst, RTE_ETHER_ADDR_LEN);
3925         memcpy(eth.src.addr_bytes,
3926                mplsogre_encap_conf.eth_src, RTE_ETHER_ADDR_LEN);
3927         memcpy(header, &eth, sizeof(eth));
3928         header += sizeof(eth);
3929         if (mplsogre_encap_conf.select_vlan) {
3930                 if (mplsogre_encap_conf.select_ipv4)
3931                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
3932                 else
3933                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
3934                 memcpy(header, &vlan, sizeof(vlan));
3935                 header += sizeof(vlan);
3936         }
3937         if (mplsogre_encap_conf.select_ipv4) {
3938                 memcpy(header, &ipv4, sizeof(ipv4));
3939                 header += sizeof(ipv4);
3940         } else {
3941                 memcpy(&ipv6.hdr.src_addr,
3942                        &mplsogre_encap_conf.ipv6_src,
3943                        sizeof(mplsogre_encap_conf.ipv6_src));
3944                 memcpy(&ipv6.hdr.dst_addr,
3945                        &mplsogre_encap_conf.ipv6_dst,
3946                        sizeof(mplsogre_encap_conf.ipv6_dst));
3947                 memcpy(header, &ipv6, sizeof(ipv6));
3948                 header += sizeof(ipv6);
3949         }
3950         memcpy(header, &gre, sizeof(gre));
3951         header += sizeof(gre);
3952         memcpy(mpls.label_tc_s, mplsogre_encap_conf.label,
3953                RTE_DIM(mplsogre_encap_conf.label));
3954         mpls.label_tc_s[2] |= 0x1;
3955         memcpy(header, &mpls, sizeof(mpls));
3956         header += sizeof(mpls);
3957         action_encap_data->conf.size = header -
3958                 action_encap_data->data;
3959         action->conf = &action_encap_data->conf;
3960         return ret;
3961 }
3962
3963 /** Parse MPLSOGRE decap action. */
3964 static int
3965 parse_vc_action_mplsogre_decap(struct context *ctx, const struct token *token,
3966                                const char *str, unsigned int len,
3967                                void *buf, unsigned int size)
3968 {
3969         struct buffer *out = buf;
3970         struct rte_flow_action *action;
3971         struct action_raw_decap_data *action_decap_data;
3972         struct rte_flow_item_eth eth = { .type = 0, };
3973         struct rte_flow_item_vlan vlan = {.tci = 0};
3974         struct rte_flow_item_ipv4 ipv4 = {
3975                 .hdr =  {
3976                         .next_proto_id = IPPROTO_GRE,
3977                 },
3978         };
3979         struct rte_flow_item_ipv6 ipv6 = {
3980                 .hdr =  {
3981                         .proto = IPPROTO_GRE,
3982                 },
3983         };
3984         struct rte_flow_item_gre gre = {
3985                 .protocol = rte_cpu_to_be_16(ETHER_TYPE_MPLS_UNICAST),
3986         };
3987         struct rte_flow_item_mpls mpls;
3988         uint8_t *header;
3989         int ret;
3990
3991         ret = parse_vc(ctx, token, str, len, buf, size);
3992         if (ret < 0)
3993                 return ret;
3994         /* Nothing else to do if there is no buffer. */
3995         if (!out)
3996                 return ret;
3997         if (!out->args.vc.actions_n)
3998                 return -1;
3999         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
4000         /* Point to selected object. */
4001         ctx->object = out->args.vc.data;
4002         ctx->objmask = NULL;
4003         /* Copy the headers to the buffer. */
4004         action_decap_data = ctx->object;
4005         *action_decap_data = (struct action_raw_decap_data) {
4006                 .conf = (struct rte_flow_action_raw_decap){
4007                         .data = action_decap_data->data,
4008                 },
4009                 .data = {},
4010         };
4011         header = action_decap_data->data;
4012         if (mplsogre_decap_conf.select_vlan)
4013                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN);
4014         else if (mplsogre_encap_conf.select_ipv4)
4015                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
4016         else
4017                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
4018         memcpy(eth.dst.addr_bytes,
4019                mplsogre_encap_conf.eth_dst, RTE_ETHER_ADDR_LEN);
4020         memcpy(eth.src.addr_bytes,
4021                mplsogre_encap_conf.eth_src, RTE_ETHER_ADDR_LEN);
4022         memcpy(header, &eth, sizeof(eth));
4023         header += sizeof(eth);
4024         if (mplsogre_encap_conf.select_vlan) {
4025                 if (mplsogre_encap_conf.select_ipv4)
4026                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
4027                 else
4028                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
4029                 memcpy(header, &vlan, sizeof(vlan));
4030                 header += sizeof(vlan);
4031         }
4032         if (mplsogre_encap_conf.select_ipv4) {
4033                 memcpy(header, &ipv4, sizeof(ipv4));
4034                 header += sizeof(ipv4);
4035         } else {
4036                 memcpy(header, &ipv6, sizeof(ipv6));
4037                 header += sizeof(ipv6);
4038         }
4039         memcpy(header, &gre, sizeof(gre));
4040         header += sizeof(gre);
4041         memset(&mpls, 0, sizeof(mpls));
4042         memcpy(header, &mpls, sizeof(mpls));
4043         header += sizeof(mpls);
4044         action_decap_data->conf.size = header -
4045                 action_decap_data->data;
4046         action->conf = &action_decap_data->conf;
4047         return ret;
4048 }
4049
4050 /** Parse MPLSOUDP encap action. */
4051 static int
4052 parse_vc_action_mplsoudp_encap(struct context *ctx, const struct token *token,
4053                                const char *str, unsigned int len,
4054                                void *buf, unsigned int size)
4055 {
4056         struct buffer *out = buf;
4057         struct rte_flow_action *action;
4058         struct action_raw_encap_data *action_encap_data;
4059         struct rte_flow_item_eth eth = { .type = 0, };
4060         struct rte_flow_item_vlan vlan = {
4061                 .tci = mplsoudp_encap_conf.vlan_tci,
4062                 .inner_type = 0,
4063         };
4064         struct rte_flow_item_ipv4 ipv4 = {
4065                 .hdr =  {
4066                         .src_addr = mplsoudp_encap_conf.ipv4_src,
4067                         .dst_addr = mplsoudp_encap_conf.ipv4_dst,
4068                         .next_proto_id = IPPROTO_UDP,
4069                 },
4070         };
4071         struct rte_flow_item_ipv6 ipv6 = {
4072                 .hdr =  {
4073                         .proto = IPPROTO_UDP,
4074                 },
4075         };
4076         struct rte_flow_item_udp udp = {
4077                 .hdr = {
4078                         .src_port = mplsoudp_encap_conf.udp_src,
4079                         .dst_port = mplsoudp_encap_conf.udp_dst,
4080                 },
4081         };
4082         struct rte_flow_item_mpls mpls;
4083         uint8_t *header;
4084         int ret;
4085
4086         ret = parse_vc(ctx, token, str, len, buf, size);
4087         if (ret < 0)
4088                 return ret;
4089         /* Nothing else to do if there is no buffer. */
4090         if (!out)
4091                 return ret;
4092         if (!out->args.vc.actions_n)
4093                 return -1;
4094         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
4095         /* Point to selected object. */
4096         ctx->object = out->args.vc.data;
4097         ctx->objmask = NULL;
4098         /* Copy the headers to the buffer. */
4099         action_encap_data = ctx->object;
4100         *action_encap_data = (struct action_raw_encap_data) {
4101                 .conf = (struct rte_flow_action_raw_encap){
4102                         .data = action_encap_data->data,
4103                 },
4104                 .data = {},
4105                 .preserve = {},
4106         };
4107         header = action_encap_data->data;
4108         if (mplsoudp_encap_conf.select_vlan)
4109                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN);
4110         else if (mplsoudp_encap_conf.select_ipv4)
4111                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
4112         else
4113                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
4114         memcpy(eth.dst.addr_bytes,
4115                mplsoudp_encap_conf.eth_dst, RTE_ETHER_ADDR_LEN);
4116         memcpy(eth.src.addr_bytes,
4117                mplsoudp_encap_conf.eth_src, RTE_ETHER_ADDR_LEN);
4118         memcpy(header, &eth, sizeof(eth));
4119         header += sizeof(eth);
4120         if (mplsoudp_encap_conf.select_vlan) {
4121                 if (mplsoudp_encap_conf.select_ipv4)
4122                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
4123                 else
4124                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
4125                 memcpy(header, &vlan, sizeof(vlan));
4126                 header += sizeof(vlan);
4127         }
4128         if (mplsoudp_encap_conf.select_ipv4) {
4129                 memcpy(header, &ipv4, sizeof(ipv4));
4130                 header += sizeof(ipv4);
4131         } else {
4132                 memcpy(&ipv6.hdr.src_addr,
4133                        &mplsoudp_encap_conf.ipv6_src,
4134                        sizeof(mplsoudp_encap_conf.ipv6_src));
4135                 memcpy(&ipv6.hdr.dst_addr,
4136                        &mplsoudp_encap_conf.ipv6_dst,
4137                        sizeof(mplsoudp_encap_conf.ipv6_dst));
4138                 memcpy(header, &ipv6, sizeof(ipv6));
4139                 header += sizeof(ipv6);
4140         }
4141         memcpy(header, &udp, sizeof(udp));
4142         header += sizeof(udp);
4143         memcpy(mpls.label_tc_s, mplsoudp_encap_conf.label,
4144                RTE_DIM(mplsoudp_encap_conf.label));
4145         mpls.label_tc_s[2] |= 0x1;
4146         memcpy(header, &mpls, sizeof(mpls));
4147         header += sizeof(mpls);
4148         action_encap_data->conf.size = header -
4149                 action_encap_data->data;
4150         action->conf = &action_encap_data->conf;
4151         return ret;
4152 }
4153
4154 /** Parse MPLSOUDP decap action. */
4155 static int
4156 parse_vc_action_mplsoudp_decap(struct context *ctx, const struct token *token,
4157                                const char *str, unsigned int len,
4158                                void *buf, unsigned int size)
4159 {
4160         struct buffer *out = buf;
4161         struct rte_flow_action *action;
4162         struct action_raw_decap_data *action_decap_data;
4163         struct rte_flow_item_eth eth = { .type = 0, };
4164         struct rte_flow_item_vlan vlan = {.tci = 0};
4165         struct rte_flow_item_ipv4 ipv4 = {
4166                 .hdr =  {
4167                         .next_proto_id = IPPROTO_UDP,
4168                 },
4169         };
4170         struct rte_flow_item_ipv6 ipv6 = {
4171                 .hdr =  {
4172                         .proto = IPPROTO_UDP,
4173                 },
4174         };
4175         struct rte_flow_item_udp udp = {
4176                 .hdr = {
4177                         .dst_port = rte_cpu_to_be_16(6635),
4178                 },
4179         };
4180         struct rte_flow_item_mpls mpls;
4181         uint8_t *header;
4182         int ret;
4183
4184         ret = parse_vc(ctx, token, str, len, buf, size);
4185         if (ret < 0)
4186                 return ret;
4187         /* Nothing else to do if there is no buffer. */
4188         if (!out)
4189                 return ret;
4190         if (!out->args.vc.actions_n)
4191                 return -1;
4192         action = &out->args.vc.actions[out->args.vc.actions_n - 1];
4193         /* Point to selected object. */
4194         ctx->object = out->args.vc.data;
4195         ctx->objmask = NULL;
4196         /* Copy the headers to the buffer. */
4197         action_decap_data = ctx->object;
4198         *action_decap_data = (struct action_raw_decap_data) {
4199                 .conf = (struct rte_flow_action_raw_decap){
4200                         .data = action_decap_data->data,
4201                 },
4202                 .data = {},
4203         };
4204         header = action_decap_data->data;
4205         if (mplsoudp_decap_conf.select_vlan)
4206                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN);
4207         else if (mplsoudp_encap_conf.select_ipv4)
4208                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
4209         else
4210                 eth.type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
4211         memcpy(eth.dst.addr_bytes,
4212                mplsoudp_encap_conf.eth_dst, RTE_ETHER_ADDR_LEN);
4213         memcpy(eth.src.addr_bytes,
4214                mplsoudp_encap_conf.eth_src, RTE_ETHER_ADDR_LEN);
4215         memcpy(header, &eth, sizeof(eth));
4216         header += sizeof(eth);
4217         if (mplsoudp_encap_conf.select_vlan) {
4218                 if (mplsoudp_encap_conf.select_ipv4)
4219                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
4220                 else
4221                         vlan.inner_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
4222                 memcpy(header, &vlan, sizeof(vlan));
4223                 header += sizeof(vlan);
4224         }
4225         if (mplsoudp_encap_conf.select_ipv4) {
4226                 memcpy(header, &ipv4, sizeof(ipv4));
4227                 header += sizeof(ipv4);
4228         } else {
4229                 memcpy(header, &ipv6, sizeof(ipv6));
4230                 header += sizeof(ipv6);
4231         }
4232         memcpy(header, &udp, sizeof(udp));
4233         header += sizeof(udp);
4234         memset(&mpls, 0, sizeof(mpls));
4235         memcpy(header, &mpls, sizeof(mpls));
4236         header += sizeof(mpls);
4237         action_decap_data->conf.size = header -
4238                 action_decap_data->data;
4239         action->conf = &action_decap_data->conf;
4240         return ret;
4241 }
4242
4243 /** Parse tokens for destroy command. */
4244 static int
4245 parse_destroy(struct context *ctx, const struct token *token,
4246               const char *str, unsigned int len,
4247               void *buf, unsigned int size)
4248 {
4249         struct buffer *out = buf;
4250
4251         /* Token name must match. */
4252         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
4253                 return -1;
4254         /* Nothing else to do if there is no buffer. */
4255         if (!out)
4256                 return len;
4257         if (!out->command) {
4258                 if (ctx->curr != DESTROY)
4259                         return -1;
4260                 if (sizeof(*out) > size)
4261                         return -1;
4262                 out->command = ctx->curr;
4263                 ctx->objdata = 0;
4264                 ctx->object = out;
4265                 ctx->objmask = NULL;
4266                 out->args.destroy.rule =
4267                         (void *)RTE_ALIGN_CEIL((uintptr_t)(out + 1),
4268                                                sizeof(double));
4269                 return len;
4270         }
4271         if (((uint8_t *)(out->args.destroy.rule + out->args.destroy.rule_n) +
4272              sizeof(*out->args.destroy.rule)) > (uint8_t *)out + size)
4273                 return -1;
4274         ctx->objdata = 0;
4275         ctx->object = out->args.destroy.rule + out->args.destroy.rule_n++;
4276         ctx->objmask = NULL;
4277         return len;
4278 }
4279
4280 /** Parse tokens for flush command. */
4281 static int
4282 parse_flush(struct context *ctx, const struct token *token,
4283             const char *str, unsigned int len,
4284             void *buf, unsigned int size)
4285 {
4286         struct buffer *out = buf;
4287
4288         /* Token name must match. */
4289         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
4290                 return -1;
4291         /* Nothing else to do if there is no buffer. */
4292         if (!out)
4293                 return len;
4294         if (!out->command) {
4295                 if (ctx->curr != FLUSH)
4296                         return -1;
4297                 if (sizeof(*out) > size)
4298                         return -1;
4299                 out->command = ctx->curr;
4300                 ctx->objdata = 0;
4301                 ctx->object = out;
4302                 ctx->objmask = NULL;
4303         }
4304         return len;
4305 }
4306
4307 /** Parse tokens for query command. */
4308 static int
4309 parse_query(struct context *ctx, const struct token *token,
4310             const char *str, unsigned int len,
4311             void *buf, unsigned int size)
4312 {
4313         struct buffer *out = buf;
4314
4315         /* Token name must match. */
4316         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
4317                 return -1;
4318         /* Nothing else to do if there is no buffer. */
4319         if (!out)
4320                 return len;
4321         if (!out->command) {
4322                 if (ctx->curr != QUERY)
4323                         return -1;
4324                 if (sizeof(*out) > size)
4325                         return -1;
4326                 out->command = ctx->curr;
4327                 ctx->objdata = 0;
4328                 ctx->object = out;
4329                 ctx->objmask = NULL;
4330         }
4331         return len;
4332 }
4333
4334 /** Parse action names. */
4335 static int
4336 parse_action(struct context *ctx, const struct token *token,
4337              const char *str, unsigned int len,
4338              void *buf, unsigned int size)
4339 {
4340         struct buffer *out = buf;
4341         const struct arg *arg = pop_args(ctx);
4342         unsigned int i;
4343
4344         (void)size;
4345         /* Argument is expected. */
4346         if (!arg)
4347                 return -1;
4348         /* Parse action name. */
4349         for (i = 0; next_action[i]; ++i) {
4350                 const struct parse_action_priv *priv;
4351
4352                 token = &token_list[next_action[i]];
4353                 if (strcmp_partial(token->name, str, len))
4354                         continue;
4355                 priv = token->priv;
4356                 if (!priv)
4357                         goto error;
4358                 if (out)
4359                         memcpy((uint8_t *)ctx->object + arg->offset,
4360                                &priv->type,
4361                                arg->size);
4362                 return len;
4363         }
4364 error:
4365         push_args(ctx, arg);
4366         return -1;
4367 }
4368
4369 /** Parse tokens for list command. */
4370 static int
4371 parse_list(struct context *ctx, const struct token *token,
4372            const char *str, unsigned int len,
4373            void *buf, unsigned int size)
4374 {
4375         struct buffer *out = buf;
4376
4377         /* Token name must match. */
4378         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
4379                 return -1;
4380         /* Nothing else to do if there is no buffer. */
4381         if (!out)
4382                 return len;
4383         if (!out->command) {
4384                 if (ctx->curr != LIST)
4385                         return -1;
4386                 if (sizeof(*out) > size)
4387                         return -1;
4388                 out->command = ctx->curr;
4389                 ctx->objdata = 0;
4390                 ctx->object = out;
4391                 ctx->objmask = NULL;
4392                 out->args.list.group =
4393                         (void *)RTE_ALIGN_CEIL((uintptr_t)(out + 1),
4394                                                sizeof(double));
4395                 return len;
4396         }
4397         if (((uint8_t *)(out->args.list.group + out->args.list.group_n) +
4398              sizeof(*out->args.list.group)) > (uint8_t *)out + size)
4399                 return -1;
4400         ctx->objdata = 0;
4401         ctx->object = out->args.list.group + out->args.list.group_n++;
4402         ctx->objmask = NULL;
4403         return len;
4404 }
4405
4406 /** Parse tokens for isolate command. */
4407 static int
4408 parse_isolate(struct context *ctx, const struct token *token,
4409               const char *str, unsigned int len,
4410               void *buf, unsigned int size)
4411 {
4412         struct buffer *out = buf;
4413
4414         /* Token name must match. */
4415         if (parse_default(ctx, token, str, len, NULL, 0) < 0)
4416                 return -1;
4417         /* Nothing else to do if there is no buffer. */
4418         if (!out)
4419                 return len;
4420         if (!out->command) {
4421                 if (ctx->curr != ISOLATE)
4422                         return -1;
4423                 if (sizeof(*out) > size)
4424                         return -1;
4425                 out->command = ctx->curr;
4426                 ctx->objdata = 0;
4427                 ctx->object = out;
4428                 ctx->objmask = NULL;
4429         }
4430         return len;
4431 }
4432
4433 /**
4434  * Parse signed/unsigned integers 8 to 64-bit long.
4435  *
4436  * Last argument (ctx->args) is retrieved to determine integer type and
4437  * storage location.
4438  */
4439 static int
4440 parse_int(struct context *ctx, const struct token *token,
4441           const char *str, unsigned int len,
4442           void *buf, unsigned int size)
4443 {
4444         const struct arg *arg = pop_args(ctx);
4445         uintmax_t u;
4446         char *end;
4447
4448         (void)token;
4449         /* Argument is expected. */
4450         if (!arg)
4451                 return -1;
4452         errno = 0;
4453         u = arg->sign ?
4454                 (uintmax_t)strtoimax(str, &end, 0) :
4455                 strtoumax(str, &end, 0);
4456         if (errno || (size_t)(end - str) != len)
4457                 goto error;
4458         if (arg->bounded &&
4459             ((arg->sign && ((intmax_t)u < (intmax_t)arg->min ||
4460                             (intmax_t)u > (intmax_t)arg->max)) ||
4461              (!arg->sign && (u < arg->min || u > arg->max))))
4462                 goto error;
4463         if (!ctx->object)
4464                 return len;
4465         if (arg->mask) {
4466                 if (!arg_entry_bf_fill(ctx->object, u, arg) ||
4467                     !arg_entry_bf_fill(ctx->objmask, -1, arg))
4468                         goto error;
4469                 return len;
4470         }
4471         buf = (uint8_t *)ctx->object + arg->offset;
4472         size = arg->size;
4473         if (u > RTE_LEN2MASK(size * CHAR_BIT, uint64_t))
4474                 return -1;
4475 objmask:
4476         switch (size) {
4477         case sizeof(uint8_t):
4478                 *(uint8_t *)buf = u;
4479                 break;
4480         case sizeof(uint16_t):
4481                 *(uint16_t *)buf = arg->hton ? rte_cpu_to_be_16(u) : u;
4482                 break;
4483         case sizeof(uint8_t [3]):
4484 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
4485                 if (!arg->hton) {
4486                         ((uint8_t *)buf)[0] = u;
4487                         ((uint8_t *)buf)[1] = u >> 8;
4488                         ((uint8_t *)buf)[2] = u >> 16;
4489                         break;
4490                 }
4491 #endif
4492                 ((uint8_t *)buf)[0] = u >> 16;
4493                 ((uint8_t *)buf)[1] = u >> 8;
4494                 ((uint8_t *)buf)[2] = u;
4495                 break;
4496         case sizeof(uint32_t):
4497                 *(uint32_t *)buf = arg->hton ? rte_cpu_to_be_32(u) : u;
4498                 break;
4499         case sizeof(uint64_t):
4500                 *(uint64_t *)buf = arg->hton ? rte_cpu_to_be_64(u) : u;
4501                 break;
4502         default:
4503                 goto error;
4504         }
4505         if (ctx->objmask && buf != (uint8_t *)ctx->objmask + arg->offset) {
4506                 u = -1;
4507                 buf = (uint8_t *)ctx->objmask + arg->offset;
4508                 goto objmask;
4509         }
4510         return len;
4511 error:
4512         push_args(ctx, arg);
4513         return -1;
4514 }
4515
4516 /**
4517  * Parse a string.
4518  *
4519  * Three arguments (ctx->args) are retrieved from the stack to store data,
4520  * its actual length and address (in that order).
4521  */
4522 static int
4523 parse_string(struct context *ctx, const struct token *token,
4524              const char *str, unsigned int len,
4525              void *buf, unsigned int size)
4526 {
4527         const struct arg *arg_data = pop_args(ctx);
4528         const struct arg *arg_len = pop_args(ctx);
4529         const struct arg *arg_addr = pop_args(ctx);
4530         char tmp[16]; /* Ought to be enough. */
4531         int ret;
4532
4533         /* Arguments are expected. */
4534         if (!arg_data)
4535                 return -1;
4536         if (!arg_len) {
4537                 push_args(ctx, arg_data);
4538                 return -1;
4539         }
4540         if (!arg_addr) {
4541                 push_args(ctx, arg_len);
4542                 push_args(ctx, arg_data);
4543                 return -1;
4544         }
4545         size = arg_data->size;
4546         /* Bit-mask fill is not supported. */
4547         if (arg_data->mask || size < len)
4548                 goto error;
4549         if (!ctx->object)
4550                 return len;
4551         /* Let parse_int() fill length information first. */
4552         ret = snprintf(tmp, sizeof(tmp), "%u", len);
4553         if (ret < 0)
4554                 goto error;
4555         push_args(ctx, arg_len);
4556         ret = parse_int(ctx, token, tmp, ret, NULL, 0);
4557         if (ret < 0) {
4558                 pop_args(ctx);
4559                 goto error;
4560         }
4561         buf = (uint8_t *)ctx->object + arg_data->offset;
4562         /* Output buffer is not necessarily NUL-terminated. */
4563         memcpy(buf, str, len);
4564         memset((uint8_t *)buf + len, 0x00, size - len);
4565         if (ctx->objmask)
4566                 memset((uint8_t *)ctx->objmask + arg_data->offset, 0xff, len);
4567         /* Save address if requested. */
4568         if (arg_addr->size) {
4569                 memcpy((uint8_t *)ctx->object + arg_addr->offset,
4570                        (void *[]){
4571                         (uint8_t *)ctx->object + arg_data->offset
4572                        },
4573                        arg_addr->size);
4574                 if (ctx->objmask)
4575                         memcpy((uint8_t *)ctx->objmask + arg_addr->offset,
4576                                (void *[]){
4577                                 (uint8_t *)ctx->objmask + arg_data->offset
4578                                },
4579                                arg_addr->size);
4580         }
4581         return len;
4582 error:
4583         push_args(ctx, arg_addr);
4584         push_args(ctx, arg_len);
4585         push_args(ctx, arg_data);
4586         return -1;
4587 }
4588
4589 static int
4590 parse_hex_string(const char *src, uint8_t *dst, uint32_t *size)
4591 {
4592         char *c = NULL;
4593         uint32_t i, len;
4594         char tmp[3];
4595
4596         /* Check input parameters */
4597         if ((src == NULL) ||
4598                 (dst == NULL) ||
4599                 (size == NULL) ||
4600                 (*size == 0))
4601                 return -1;
4602
4603         /* Convert chars to bytes */
4604         for (i = 0, len = 0; i < *size; i += 2) {
4605                 snprintf(tmp, 3, "%s", src + i);
4606                 dst[len++] = strtoul(tmp, &c, 16);
4607                 if (*c != 0) {
4608                         len--;
4609                         dst[len] = 0;
4610                         *size = len;
4611                         return -1;
4612                 }
4613         }
4614         dst[len] = 0;
4615         *size = len;
4616
4617         return 0;
4618 }
4619
4620 static int
4621 parse_hex(struct context *ctx, const struct token *token,
4622                 const char *str, unsigned int len,
4623                 void *buf, unsigned int size)
4624 {
4625         const struct arg *arg_data = pop_args(ctx);
4626         const struct arg *arg_len = pop_args(ctx);
4627         const struct arg *arg_addr = pop_args(ctx);
4628         char tmp[16]; /* Ought to be enough. */
4629         int ret;
4630         unsigned int hexlen = len;
4631         unsigned int length = 256;
4632         uint8_t hex_tmp[length];
4633
4634         /* Arguments are expected. */
4635         if (!arg_data)
4636                 return -1;
4637         if (!arg_len) {
4638                 push_args(ctx, arg_data);
4639                 return -1;
4640         }
4641         if (!arg_addr) {
4642                 push_args(ctx, arg_len);
4643                 push_args(ctx, arg_data);
4644                 return -1;
4645         }
4646         size = arg_data->size;
4647         /* Bit-mask fill is not supported. */
4648         if (arg_data->mask)
4649                 goto error;
4650         if (!ctx->object)
4651                 return len;
4652
4653         /* translate bytes string to array. */
4654         if (str[0] == '0' && ((str[1] == 'x') ||
4655                         (str[1] == 'X'))) {
4656                 str += 2;
4657                 hexlen -= 2;
4658         }
4659         if (hexlen > length)
4660                 return -1;
4661         ret = parse_hex_string(str, hex_tmp, &hexlen);
4662         if (ret < 0)
4663                 goto error;
4664         /* Let parse_int() fill length information first. */
4665         ret = snprintf(tmp, sizeof(tmp), "%u", hexlen);
4666         if (ret < 0)
4667                 goto error;
4668         push_args(ctx, arg_len);
4669         ret = parse_int(ctx, token, tmp, ret, NULL, 0);
4670         if (ret < 0) {
4671                 pop_args(ctx);
4672                 goto error;
4673         }
4674         buf = (uint8_t *)ctx->object + arg_data->offset;
4675         /* Output buffer is not necessarily NUL-terminated. */
4676         memcpy(buf, hex_tmp, hexlen);
4677         memset((uint8_t *)buf + hexlen, 0x00, size - hexlen);
4678         if (ctx->objmask)
4679                 memset((uint8_t *)ctx->objmask + arg_data->offset,
4680                                         0xff, hexlen);
4681         /* Save address if requested. */
4682         if (arg_addr->size) {
4683                 memcpy((uint8_t *)ctx->object + arg_addr->offset,
4684                        (void *[]){
4685                         (uint8_t *)ctx->object + arg_data->offset
4686                        },
4687                        arg_addr->size);
4688                 if (ctx->objmask)
4689                         memcpy((uint8_t *)ctx->objmask + arg_addr->offset,
4690                                (void *[]){
4691                                 (uint8_t *)ctx->objmask + arg_data->offset
4692                                },
4693                                arg_addr->size);
4694         }
4695         return len;
4696 error:
4697         push_args(ctx, arg_addr);
4698         push_args(ctx, arg_len);
4699         push_args(ctx, arg_data);
4700         return -1;
4701
4702 }
4703
4704 /**
4705  * Parse a MAC address.
4706  *
4707  * Last argument (ctx->args) is retrieved to determine storage size and
4708  * location.
4709  */
4710 static int
4711 parse_mac_addr(struct context *ctx, const struct token *token,
4712                const char *str, unsigned int len,
4713                void *buf, unsigned int size)
4714 {
4715         const struct arg *arg = pop_args(ctx);
4716         struct rte_ether_addr tmp;
4717         int ret;
4718
4719         (void)token;
4720         /* Argument is expected. */
4721         if (!arg)
4722                 return -1;
4723         size = arg->size;
4724         /* Bit-mask fill is not supported. */
4725         if (arg->mask || size != sizeof(tmp))
4726                 goto error;
4727         /* Only network endian is supported. */
4728         if (!arg->hton)
4729                 goto error;
4730         ret = cmdline_parse_etheraddr(NULL, str, &tmp, size);
4731         if (ret < 0 || (unsigned int)ret != len)
4732                 goto error;
4733         if (!ctx->object)
4734                 return len;
4735         buf = (uint8_t *)ctx->object + arg->offset;
4736         memcpy(buf, &tmp, size);
4737         if (ctx->objmask)
4738                 memset((uint8_t *)ctx->objmask + arg->offset, 0xff, size);
4739         return len;
4740 error:
4741         push_args(ctx, arg);
4742         return -1;
4743 }
4744
4745 /**
4746  * Parse an IPv4 address.
4747  *
4748  * Last argument (ctx->args) is retrieved to determine storage size and
4749  * location.
4750  */
4751 static int
4752 parse_ipv4_addr(struct context *ctx, const struct token *token,
4753                 const char *str, unsigned int len,
4754                 void *buf, unsigned int size)
4755 {
4756         const struct arg *arg = pop_args(ctx);
4757         char str2[len + 1];
4758         struct in_addr tmp;
4759         int ret;
4760
4761         /* Argument is expected. */
4762         if (!arg)
4763                 return -1;
4764         size = arg->size;
4765         /* Bit-mask fill is not supported. */
4766         if (arg->mask || size != sizeof(tmp))
4767                 goto error;
4768         /* Only network endian is supported. */
4769         if (!arg->hton)
4770                 goto error;
4771         memcpy(str2, str, len);
4772         str2[len] = '\0';
4773         ret = inet_pton(AF_INET, str2, &tmp);
4774         if (ret != 1) {
4775                 /* Attempt integer parsing. */
4776                 push_args(ctx, arg);
4777                 return parse_int(ctx, token, str, len, buf, size);
4778         }
4779         if (!ctx->object)
4780                 return len;
4781         buf = (uint8_t *)ctx->object + arg->offset;
4782         memcpy(buf, &tmp, size);
4783         if (ctx->objmask)
4784                 memset((uint8_t *)ctx->objmask + arg->offset, 0xff, size);
4785         return len;
4786 error:
4787         push_args(ctx, arg);
4788         return -1;
4789 }
4790
4791 /**
4792  * Parse an IPv6 address.
4793  *
4794  * Last argument (ctx->args) is retrieved to determine storage size and
4795  * location.
4796  */
4797 static int
4798 parse_ipv6_addr(struct context *ctx, const struct token *token,
4799                 const char *str, unsigned int len,
4800                 void *buf, unsigned int size)
4801 {
4802         const struct arg *arg = pop_args(ctx);
4803         char str2[len + 1];
4804         struct in6_addr tmp;
4805         int ret;
4806
4807         (void)token;
4808         /* Argument is expected. */
4809         if (!arg)
4810                 return -1;
4811         size = arg->size;
4812         /* Bit-mask fill is not supported. */
4813         if (arg->mask || size != sizeof(tmp))
4814                 goto error;
4815         /* Only network endian is supported. */
4816         if (!arg->hton)
4817                 goto error;
4818         memcpy(str2, str, len);
4819         str2[len] = '\0';
4820         ret = inet_pton(AF_INET6, str2, &tmp);
4821         if (ret != 1)
4822                 goto error;
4823         if (!ctx->object)
4824                 return len;
4825         buf = (uint8_t *)ctx->object + arg->offset;
4826         memcpy(buf, &tmp, size);
4827         if (ctx->objmask)
4828                 memset((uint8_t *)ctx->objmask + arg->offset, 0xff, size);
4829         return len;
4830 error:
4831         push_args(ctx, arg);
4832         return -1;
4833 }
4834
4835 /** Boolean values (even indices stand for false). */
4836 static const char *const boolean_name[] = {
4837         "0", "1",
4838         "false", "true",
4839         "no", "yes",
4840         "N", "Y",
4841         "off", "on",
4842         NULL,
4843 };
4844
4845 /**
4846  * Parse a boolean value.
4847  *
4848  * Last argument (ctx->args) is retrieved to determine storage size and
4849  * location.
4850  */
4851 static int
4852 parse_boolean(struct context *ctx, const struct token *token,
4853               const char *str, unsigned int len,
4854               void *buf, unsigned int size)
4855 {
4856         const struct arg *arg = pop_args(ctx);
4857         unsigned int i;
4858         int ret;
4859
4860         /* Argument is expected. */
4861         if (!arg)
4862                 return -1;
4863         for (i = 0; boolean_name[i]; ++i)
4864                 if (!strcmp_partial(boolean_name[i], str, len))
4865                         break;
4866         /* Process token as integer. */
4867         if (boolean_name[i])
4868                 str = i & 1 ? "1" : "0";
4869         push_args(ctx, arg);
4870         ret = parse_int(ctx, token, str, strlen(str), buf, size);
4871         return ret > 0 ? (int)len : ret;
4872 }
4873
4874 /** Parse port and update context. */
4875 static int
4876 parse_port(struct context *ctx, const struct token *token,
4877            const char *str, unsigned int len,
4878            void *buf, unsigned int size)
4879 {
4880         struct buffer *out = &(struct buffer){ .port = 0 };
4881         int ret;
4882
4883         if (buf)
4884                 out = buf;
4885         else {
4886                 ctx->objdata = 0;
4887                 ctx->object = out;
4888                 ctx->objmask = NULL;
4889                 size = sizeof(*out);
4890         }
4891         ret = parse_int(ctx, token, str, len, out, size);
4892         if (ret >= 0)
4893                 ctx->port = out->port;
4894         if (!buf)
4895                 ctx->object = NULL;
4896         return ret;
4897 }
4898
4899 /** No completion. */
4900 static int
4901 comp_none(struct context *ctx, const struct token *token,
4902           unsigned int ent, char *buf, unsigned int size)
4903 {
4904         (void)ctx;
4905         (void)token;
4906         (void)ent;
4907         (void)buf;
4908         (void)size;
4909         return 0;
4910 }
4911
4912 /** Complete boolean values. */
4913 static int
4914 comp_boolean(struct context *ctx, const struct token *token,
4915              unsigned int ent, char *buf, unsigned int size)
4916 {
4917         unsigned int i;
4918
4919         (void)ctx;
4920         (void)token;
4921         for (i = 0; boolean_name[i]; ++i)
4922                 if (buf && i == ent)
4923                         return strlcpy(buf, boolean_name[i], size);
4924         if (buf)
4925                 return -1;
4926         return i;
4927 }
4928
4929 /** Complete action names. */
4930 static int
4931 comp_action(struct context *ctx, const struct token *token,
4932             unsigned int ent, char *buf, unsigned int size)
4933 {
4934         unsigned int i;
4935
4936         (void)ctx;
4937         (void)token;
4938         for (i = 0; next_action[i]; ++i)
4939                 if (buf && i == ent)
4940                         return strlcpy(buf, token_list[next_action[i]].name,
4941                                        size);
4942         if (buf)
4943                 return -1;
4944         return i;
4945 }
4946
4947 /** Complete available ports. */
4948 static int
4949 comp_port(struct context *ctx, const struct token *token,
4950           unsigned int ent, char *buf, unsigned int size)
4951 {
4952         unsigned int i = 0;
4953         portid_t p;
4954
4955         (void)ctx;
4956         (void)token;
4957         RTE_ETH_FOREACH_DEV(p) {
4958                 if (buf && i == ent)
4959                         return snprintf(buf, size, "%u", p);
4960                 ++i;
4961         }
4962         if (buf)
4963                 return -1;
4964         return i;
4965 }
4966
4967 /** Complete available rule IDs. */
4968 static int
4969 comp_rule_id(struct context *ctx, const struct token *token,
4970              unsigned int ent, char *buf, unsigned int size)
4971 {
4972         unsigned int i = 0;
4973         struct rte_port *port;
4974         struct port_flow *pf;
4975
4976         (void)token;
4977         if (port_id_is_invalid(ctx->port, DISABLED_WARN) ||
4978             ctx->port == (portid_t)RTE_PORT_ALL)
4979                 return -1;
4980         port = &ports[ctx->port];
4981         for (pf = port->flow_list; pf != NULL; pf = pf->next) {
4982                 if (buf && i == ent)
4983                         return snprintf(buf, size, "%u", pf->id);
4984                 ++i;
4985         }
4986         if (buf)
4987                 return -1;
4988         return i;
4989 }
4990
4991 /** Complete type field for RSS action. */
4992 static int
4993 comp_vc_action_rss_type(struct context *ctx, const struct token *token,
4994                         unsigned int ent, char *buf, unsigned int size)
4995 {
4996         unsigned int i;
4997
4998         (void)ctx;
4999         (void)token;
5000         for (i = 0; rss_type_table[i].str; ++i)
5001                 ;
5002         if (!buf)
5003                 return i + 1;
5004         if (ent < i)
5005                 return strlcpy(buf, rss_type_table[ent].str, size);
5006         if (ent == i)
5007                 return snprintf(buf, size, "end");
5008         return -1;
5009 }
5010
5011 /** Complete queue field for RSS action. */
5012 static int
5013 comp_vc_action_rss_queue(struct context *ctx, const struct token *token,
5014                          unsigned int ent, char *buf, unsigned int size)
5015 {
5016         (void)ctx;
5017         (void)token;
5018         if (!buf)
5019                 return nb_rxq + 1;
5020         if (ent < nb_rxq)
5021                 return snprintf(buf, size, "%u", ent);
5022         if (ent == nb_rxq)
5023                 return snprintf(buf, size, "end");
5024         return -1;
5025 }
5026
5027 /** Internal context. */
5028 static struct context cmd_flow_context;
5029
5030 /** Global parser instance (cmdline API). */
5031 cmdline_parse_inst_t cmd_flow;
5032
5033 /** Initialize context. */
5034 static void
5035 cmd_flow_context_init(struct context *ctx)
5036 {
5037         /* A full memset() is not necessary. */
5038         ctx->curr = ZERO;
5039         ctx->prev = ZERO;
5040         ctx->next_num = 0;
5041         ctx->args_num = 0;
5042         ctx->eol = 0;
5043         ctx->last = 0;
5044         ctx->port = 0;
5045         ctx->objdata = 0;
5046         ctx->object = NULL;
5047         ctx->objmask = NULL;
5048 }
5049
5050 /** Parse a token (cmdline API). */
5051 static int
5052 cmd_flow_parse(cmdline_parse_token_hdr_t *hdr, const char *src, void *result,
5053                unsigned int size)
5054 {
5055         struct context *ctx = &cmd_flow_context;
5056         const struct token *token;
5057         const enum index *list;
5058         int len;
5059         int i;
5060
5061         (void)hdr;
5062         token = &token_list[ctx->curr];
5063         /* Check argument length. */
5064         ctx->eol = 0;
5065         ctx->last = 1;
5066         for (len = 0; src[len]; ++len)
5067                 if (src[len] == '#' || isspace(src[len]))
5068                         break;
5069         if (!len)
5070                 return -1;
5071         /* Last argument and EOL detection. */
5072         for (i = len; src[i]; ++i)
5073                 if (src[i] == '#' || src[i] == '\r' || src[i] == '\n')
5074                         break;
5075                 else if (!isspace(src[i])) {
5076                         ctx->last = 0;
5077                         break;
5078                 }
5079         for (; src[i]; ++i)
5080                 if (src[i] == '\r' || src[i] == '\n') {
5081                         ctx->eol = 1;
5082                         break;
5083                 }
5084         /* Initialize context if necessary. */
5085         if (!ctx->next_num) {
5086                 if (!token->next)
5087                         return 0;
5088                 ctx->next[ctx->next_num++] = token->next[0];
5089         }
5090         /* Process argument through candidates. */
5091         ctx->prev = ctx->curr;
5092         list = ctx->next[ctx->next_num - 1];
5093         for (i = 0; list[i]; ++i) {
5094                 const struct token *next = &token_list[list[i]];
5095                 int tmp;
5096
5097                 ctx->curr = list[i];
5098                 if (next->call)
5099                         tmp = next->call(ctx, next, src, len, result, size);
5100                 else
5101                         tmp = parse_default(ctx, next, src, len, result, size);
5102                 if (tmp == -1 || tmp != len)
5103                         continue;
5104                 token = next;
5105                 break;
5106         }
5107         if (!list[i])
5108                 return -1;
5109         --ctx->next_num;
5110         /* Push subsequent tokens if any. */
5111         if (token->next)
5112                 for (i = 0; token->next[i]; ++i) {
5113                         if (ctx->next_num == RTE_DIM(ctx->next))
5114                                 return -1;
5115                         ctx->next[ctx->next_num++] = token->next[i];
5116                 }
5117         /* Push arguments if any. */
5118         if (token->args)
5119                 for (i = 0; token->args[i]; ++i) {
5120                         if (ctx->args_num == RTE_DIM(ctx->args))
5121                                 return -1;
5122                         ctx->args[ctx->args_num++] = token->args[i];
5123                 }
5124         return len;
5125 }
5126
5127 /** Return number of completion entries (cmdline API). */
5128 static int
5129 cmd_flow_complete_get_nb(cmdline_parse_token_hdr_t *hdr)
5130 {
5131         struct context *ctx = &cmd_flow_context;
5132         const struct token *token = &token_list[ctx->curr];
5133         const enum index *list;
5134         int i;
5135
5136         (void)hdr;
5137         /* Count number of tokens in current list. */
5138         if (ctx->next_num)
5139                 list = ctx->next[ctx->next_num - 1];
5140         else
5141                 list = token->next[0];
5142         for (i = 0; list[i]; ++i)
5143                 ;
5144         if (!i)
5145                 return 0;
5146         /*
5147          * If there is a single token, use its completion callback, otherwise
5148          * return the number of entries.
5149          */
5150         token = &token_list[list[0]];
5151         if (i == 1 && token->comp) {
5152                 /* Save index for cmd_flow_get_help(). */
5153                 ctx->prev = list[0];
5154                 return token->comp(ctx, token, 0, NULL, 0);
5155         }
5156         return i;
5157 }
5158
5159 /** Return a completion entry (cmdline API). */
5160 static int
5161 cmd_flow_complete_get_elt(cmdline_parse_token_hdr_t *hdr, int index,
5162                           char *dst, unsigned int size)
5163 {
5164         struct context *ctx = &cmd_flow_context;
5165         const struct token *token = &token_list[ctx->curr];
5166         const enum index *list;
5167         int i;
5168
5169         (void)hdr;
5170         /* Count number of tokens in current list. */
5171         if (ctx->next_num)
5172                 list = ctx->next[ctx->next_num - 1];
5173         else
5174                 list = token->next[0];
5175         for (i = 0; list[i]; ++i)
5176                 ;
5177         if (!i)
5178                 return -1;
5179         /* If there is a single token, use its completion callback. */
5180         token = &token_list[list[0]];
5181         if (i == 1 && token->comp) {
5182                 /* Save index for cmd_flow_get_help(). */
5183                 ctx->prev = list[0];
5184                 return token->comp(ctx, token, index, dst, size) < 0 ? -1 : 0;
5185         }
5186         /* Otherwise make sure the index is valid and use defaults. */
5187         if (index >= i)
5188                 return -1;
5189         token = &token_list[list[index]];
5190         strlcpy(dst, token->name, size);
5191         /* Save index for cmd_flow_get_help(). */
5192         ctx->prev = list[index];
5193         return 0;
5194 }
5195
5196 /** Populate help strings for current token (cmdline API). */
5197 static int
5198 cmd_flow_get_help(cmdline_parse_token_hdr_t *hdr, char *dst, unsigned int size)
5199 {
5200         struct context *ctx = &cmd_flow_context;
5201         const struct token *token = &token_list[ctx->prev];
5202
5203         (void)hdr;
5204         if (!size)
5205                 return -1;
5206         /* Set token type and update global help with details. */
5207         strlcpy(dst, (token->type ? token->type : "TOKEN"), size);
5208         if (token->help)
5209                 cmd_flow.help_str = token->help;
5210         else
5211                 cmd_flow.help_str = token->name;
5212         return 0;
5213 }
5214
5215 /** Token definition template (cmdline API). */
5216 static struct cmdline_token_hdr cmd_flow_token_hdr = {
5217         .ops = &(struct cmdline_token_ops){
5218                 .parse = cmd_flow_parse,
5219                 .complete_get_nb = cmd_flow_complete_get_nb,
5220                 .complete_get_elt = cmd_flow_complete_get_elt,
5221                 .get_help = cmd_flow_get_help,
5222         },
5223         .offset = 0,
5224 };
5225
5226 /** Populate the next dynamic token. */
5227 static void
5228 cmd_flow_tok(cmdline_parse_token_hdr_t **hdr,
5229              cmdline_parse_token_hdr_t **hdr_inst)
5230 {
5231         struct context *ctx = &cmd_flow_context;
5232
5233         /* Always reinitialize context before requesting the first token. */
5234         if (!(hdr_inst - cmd_flow.tokens))
5235                 cmd_flow_context_init(ctx);
5236         /* Return NULL when no more tokens are expected. */
5237         if (!ctx->next_num && ctx->curr) {
5238                 *hdr = NULL;
5239                 return;
5240         }
5241         /* Determine if command should end here. */
5242         if (ctx->eol && ctx->last && ctx->next_num) {
5243                 const enum index *list = ctx->next[ctx->next_num - 1];
5244                 int i;
5245
5246                 for (i = 0; list[i]; ++i) {
5247                         if (list[i] != END)
5248                                 continue;
5249                         *hdr = NULL;
5250                         return;
5251                 }
5252         }
5253         *hdr = &cmd_flow_token_hdr;
5254 }
5255
5256 /** Dispatch parsed buffer to function calls. */
5257 static void
5258 cmd_flow_parsed(const struct buffer *in)
5259 {
5260         switch (in->command) {
5261         case VALIDATE:
5262                 port_flow_validate(in->port, &in->args.vc.attr,
5263                                    in->args.vc.pattern, in->args.vc.actions);
5264                 break;
5265         case CREATE:
5266                 port_flow_create(in->port, &in->args.vc.attr,
5267                                  in->args.vc.pattern, in->args.vc.actions);
5268                 break;
5269         case DESTROY:
5270                 port_flow_destroy(in->port, in->args.destroy.rule_n,
5271                                   in->args.destroy.rule);
5272                 break;
5273         case FLUSH:
5274                 port_flow_flush(in->port);
5275                 break;
5276         case QUERY:
5277                 port_flow_query(in->port, in->args.query.rule,
5278                                 &in->args.query.action);
5279                 break;
5280         case LIST:
5281                 port_flow_list(in->port, in->args.list.group_n,
5282                                in->args.list.group);
5283                 break;
5284         case ISOLATE:
5285                 port_flow_isolate(in->port, in->args.isolate.set);
5286                 break;
5287         default:
5288                 break;
5289         }
5290 }
5291
5292 /** Token generator and output processing callback (cmdline API). */
5293 static void
5294 cmd_flow_cb(void *arg0, struct cmdline *cl, void *arg2)
5295 {
5296         if (cl == NULL)
5297                 cmd_flow_tok(arg0, arg2);
5298         else
5299                 cmd_flow_parsed(arg0);
5300 }
5301
5302 /** Global parser instance (cmdline API). */
5303 cmdline_parse_inst_t cmd_flow = {
5304         .f = cmd_flow_cb,
5305         .data = NULL, /**< Unused. */
5306         .help_str = NULL, /**< Updated by cmd_flow_get_help(). */
5307         .tokens = {
5308                 NULL,
5309         }, /**< Tokens are returned by cmd_flow_tok(). */
5310 };