lib/ethdev/rte_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 <errno.h>
   7 #include <stddef.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10
  11 #include <rte_common.h>
  12 #include <rte_errno.h>
  13 #include <rte_branch_prediction.h>
  14 #include <rte_string_fns.h>
  15 #include <rte_mbuf.h>
  16 #include <rte_mbuf_dyn.h>
  17 #include "rte_ethdev.h"
  18 #include "rte_flow_driver.h"
  19 #include "rte_flow.h"
  20
  21 /* Mbuf dynamic field name for metadata. */
  22 int32_t rte_flow_dynf_metadata_offs = -1;
  23
  24 /* Mbuf dynamic field flag bit number for metadata. */
  25 uint64_t rte_flow_dynf_metadata_mask;
  26
  27 /**
  28  * Flow elements description tables.
  29  */
  30 struct rte_flow_desc_data {
  31         const char *name;
  32         size_t size;
  33 };
  34
  35 /** Generate flow_item[] entry. */
  36 #define MK_FLOW_ITEM(t, s) \
  37         [RTE_FLOW_ITEM_TYPE_ ## t] = { \
  38                 .name = # t, \
  39                 .size = s, \
  40         }
  41
  42 /** Information about known flow pattern items. */
  43 static const struct rte_flow_desc_data rte_flow_desc_item[] = {
  44         MK_FLOW_ITEM(END, 0),
  45         MK_FLOW_ITEM(VOID, 0),
  46         MK_FLOW_ITEM(INVERT, 0),
  47         MK_FLOW_ITEM(ANY, sizeof(struct rte_flow_item_any)),
  48         MK_FLOW_ITEM(PF, 0),
  49         MK_FLOW_ITEM(VF, sizeof(struct rte_flow_item_vf)),
  50         MK_FLOW_ITEM(PHY_PORT, sizeof(struct rte_flow_item_phy_port)),
  51         MK_FLOW_ITEM(PORT_ID, sizeof(struct rte_flow_item_port_id)),
  52         MK_FLOW_ITEM(RAW, sizeof(struct rte_flow_item_raw)),
  53         MK_FLOW_ITEM(ETH, sizeof(struct rte_flow_item_eth)),
  54         MK_FLOW_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)),
  55         MK_FLOW_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)),
  56         MK_FLOW_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)),
  57         MK_FLOW_ITEM(ICMP, sizeof(struct rte_flow_item_icmp)),
  58         MK_FLOW_ITEM(UDP, sizeof(struct rte_flow_item_udp)),
  59         MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)),
  60         MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)),
  61         MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)),
  62         MK_FLOW_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)),
  63         MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)),
  64         MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
  65         MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
  66         MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)),
  67         MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)),
  68         MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)),
  69         MK_FLOW_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)),
  70         MK_FLOW_ITEM(ESP, sizeof(struct rte_flow_item_esp)),
  71         MK_FLOW_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)),
  72         MK_FLOW_ITEM(VXLAN_GPE, sizeof(struct rte_flow_item_vxlan_gpe)),
  73         MK_FLOW_ITEM(ARP_ETH_IPV4, sizeof(struct rte_flow_item_arp_eth_ipv4)),
  74         MK_FLOW_ITEM(IPV6_EXT, sizeof(struct rte_flow_item_ipv6_ext)),
  75         MK_FLOW_ITEM(IPV6_FRAG_EXT, sizeof(struct rte_flow_item_ipv6_frag_ext)),
  76         MK_FLOW_ITEM(ICMP6, sizeof(struct rte_flow_item_icmp6)),
  77         MK_FLOW_ITEM(ICMP6_ND_NS, sizeof(struct rte_flow_item_icmp6_nd_ns)),
  78         MK_FLOW_ITEM(ICMP6_ND_NA, sizeof(struct rte_flow_item_icmp6_nd_na)),
  79         MK_FLOW_ITEM(ICMP6_ND_OPT, sizeof(struct rte_flow_item_icmp6_nd_opt)),
  80         MK_FLOW_ITEM(ICMP6_ND_OPT_SLA_ETH,
  81                      sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)),
  82         MK_FLOW_ITEM(ICMP6_ND_OPT_TLA_ETH,
  83                      sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)),
  84         MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)),
  85         MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)),
  86         MK_FLOW_ITEM(TAG, sizeof(struct rte_flow_item_tag)),
  87         MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)),
  88         MK_FLOW_ITEM(GTP_PSC, sizeof(struct rte_flow_item_gtp_psc)),
  89         MK_FLOW_ITEM(PPPOES, sizeof(struct rte_flow_item_pppoe)),
  90         MK_FLOW_ITEM(PPPOED, sizeof(struct rte_flow_item_pppoe)),
  91         MK_FLOW_ITEM(PPPOE_PROTO_ID,
  92                         sizeof(struct rte_flow_item_pppoe_proto_id)),
  93         MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)),
  94         MK_FLOW_ITEM(IGMP, sizeof(struct rte_flow_item_igmp)),
  95         MK_FLOW_ITEM(AH, sizeof(struct rte_flow_item_ah)),
  96         MK_FLOW_ITEM(HIGIG2, sizeof(struct rte_flow_item_higig2_hdr)),
  97         MK_FLOW_ITEM(L2TPV3OIP, sizeof(struct rte_flow_item_l2tpv3oip)),
  98         MK_FLOW_ITEM(PFCP, sizeof(struct rte_flow_item_pfcp)),
  99         MK_FLOW_ITEM(ECPRI, sizeof(struct rte_flow_item_ecpri)),
 100         MK_FLOW_ITEM(GENEVE_OPT, sizeof(struct rte_flow_item_geneve_opt)),
 101         MK_FLOW_ITEM(INTEGRITY, sizeof(struct rte_flow_item_integrity)),
 102         MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)),
 103         MK_FLOW_ITEM(PORT_REPRESENTOR, sizeof(struct rte_flow_item_ethdev)),
 104 };
 105
 106 /** Generate flow_action[] entry. */
 107 #define MK_FLOW_ACTION(t, s) \
 108         [RTE_FLOW_ACTION_TYPE_ ## t] = { \
 109                 .name = # t, \
 110                 .size = s, \
 111         }
 112
 113 /** Information about known flow actions. */
 114 static const struct rte_flow_desc_data rte_flow_desc_action[] = {
 115         MK_FLOW_ACTION(END, 0),
 116         MK_FLOW_ACTION(VOID, 0),
 117         MK_FLOW_ACTION(PASSTHRU, 0),
 118         MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)),
 119         MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)),
 120         MK_FLOW_ACTION(FLAG, 0),
 121         MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)),
 122         MK_FLOW_ACTION(DROP, 0),
 123         MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)),
 124         MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)),
 125         MK_FLOW_ACTION(PF, 0),
 126         MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)),
 127         MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)),
 128         MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)),
 129         MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)),
 130         MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)),
 131         MK_FLOW_ACTION(OF_SET_MPLS_TTL,
 132                        sizeof(struct rte_flow_action_of_set_mpls_ttl)),
 133         MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0),
 134         MK_FLOW_ACTION(OF_SET_NW_TTL,
 135                        sizeof(struct rte_flow_action_of_set_nw_ttl)),
 136         MK_FLOW_ACTION(OF_DEC_NW_TTL, 0),
 137         MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0),
 138         MK_FLOW_ACTION(OF_COPY_TTL_IN, 0),
 139         MK_FLOW_ACTION(OF_POP_VLAN, 0),
 140         MK_FLOW_ACTION(OF_PUSH_VLAN,
 141                        sizeof(struct rte_flow_action_of_push_vlan)),
 142         MK_FLOW_ACTION(OF_SET_VLAN_VID,
 143                        sizeof(struct rte_flow_action_of_set_vlan_vid)),
 144         MK_FLOW_ACTION(OF_SET_VLAN_PCP,
 145                        sizeof(struct rte_flow_action_of_set_vlan_pcp)),
 146         MK_FLOW_ACTION(OF_POP_MPLS,
 147                        sizeof(struct rte_flow_action_of_pop_mpls)),
 148         MK_FLOW_ACTION(OF_PUSH_MPLS,
 149                        sizeof(struct rte_flow_action_of_push_mpls)),
 150         MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)),
 151         MK_FLOW_ACTION(VXLAN_DECAP, 0),
 152         MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)),
 153         MK_FLOW_ACTION(NVGRE_DECAP, 0),
 154         MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)),
 155         MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)),
 156         MK_FLOW_ACTION(SET_IPV4_SRC,
 157                        sizeof(struct rte_flow_action_set_ipv4)),
 158         MK_FLOW_ACTION(SET_IPV4_DST,
 159                        sizeof(struct rte_flow_action_set_ipv4)),
 160         MK_FLOW_ACTION(SET_IPV6_SRC,
 161                        sizeof(struct rte_flow_action_set_ipv6)),
 162         MK_FLOW_ACTION(SET_IPV6_DST,
 163                        sizeof(struct rte_flow_action_set_ipv6)),
 164         MK_FLOW_ACTION(SET_TP_SRC,
 165                        sizeof(struct rte_flow_action_set_tp)),
 166         MK_FLOW_ACTION(SET_TP_DST,
 167                        sizeof(struct rte_flow_action_set_tp)),
 168         MK_FLOW_ACTION(MAC_SWAP, 0),
 169         MK_FLOW_ACTION(DEC_TTL, 0),
 170         MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)),
 171         MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)),
 172         MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)),
 173         MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)),
 174         MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)),
 175         MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)),
 176         MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)),
 177         MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)),
 178         MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)),
 179         MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)),
 180         MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)),
 181         MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)),
 182         MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)),
 183         MK_FLOW_ACTION(MODIFY_FIELD,
 184                        sizeof(struct rte_flow_action_modify_field)),
 185         /**
 186          * Indirect action represented as handle of type
 187          * (struct rte_flow_action_handle *) stored in conf field (see
 188          * struct rte_flow_action); no need for additional structure to * store
 189          * indirect action handle.
 190          */
 191         MK_FLOW_ACTION(INDIRECT, 0),
 192         MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)),
 193 };
 194
 195 int
 196 rte_flow_dynf_metadata_register(void)
 197 {
 198         int offset;
 199         int flag;
 200
 201         static const struct rte_mbuf_dynfield desc_offs = {
 202                 .name = RTE_MBUF_DYNFIELD_METADATA_NAME,
 203                 .size = sizeof(uint32_t),
 204                 .align = __alignof__(uint32_t),
 205         };
 206         static const struct rte_mbuf_dynflag desc_flag = {
 207                 .name = RTE_MBUF_DYNFLAG_METADATA_NAME,
 208         };
 209
 210         offset = rte_mbuf_dynfield_register(&desc_offs);
 211         if (offset < 0)
 212                 goto error;
 213         flag = rte_mbuf_dynflag_register(&desc_flag);
 214         if (flag < 0)
 215                 goto error;
 216         rte_flow_dynf_metadata_offs = offset;
 217         rte_flow_dynf_metadata_mask = (1ULL << flag);
 218         return 0;
 219
 220 error:
 221         rte_flow_dynf_metadata_offs = -1;
 222         rte_flow_dynf_metadata_mask = 0ULL;
 223         return -rte_errno;
 224 }
 225
 226 static inline void
 227 fts_enter(struct rte_eth_dev *dev)
 228 {
 229         if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE))
 230                 pthread_mutex_lock(&dev->data->flow_ops_mutex);
 231 }
 232
 233 static inline void
 234 fts_exit(struct rte_eth_dev *dev)
 235 {
 236         if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE))
 237                 pthread_mutex_unlock(&dev->data->flow_ops_mutex);
 238 }
 239
 240 static int
 241 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error)
 242 {
 243         if (ret == 0)
 244                 return 0;
 245         if (rte_eth_dev_is_removed(port_id))
 246                 return rte_flow_error_set(error, EIO,
 247                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 248                                           NULL, rte_strerror(EIO));
 249         return ret;
 250 }
 251
 252 /* Get generic flow operations structure from a port. */
 253 const struct rte_flow_ops *
 254 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error)
 255 {
 256         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 257         const struct rte_flow_ops *ops;
 258         int code;
 259
 260         if (unlikely(!rte_eth_dev_is_valid_port(port_id)))
 261                 code = ENODEV;
 262         else if (unlikely(dev->dev_ops->flow_ops_get == NULL))
 263                 /* flow API not supported with this driver dev_ops */
 264                 code = ENOSYS;
 265         else
 266                 code = dev->dev_ops->flow_ops_get(dev, &ops);
 267         if (code == 0 && ops == NULL)
 268                 /* flow API not supported with this device */
 269                 code = ENOSYS;
 270
 271         if (code != 0) {
 272                 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 273                                    NULL, rte_strerror(code));
 274                 return NULL;
 275         }
 276         return ops;
 277 }
 278
 279 /* Check whether a flow rule can be created on a given port. */
 280 int
 281 rte_flow_validate(uint16_t port_id,
 282                   const struct rte_flow_attr *attr,
 283                   const struct rte_flow_item pattern[],
 284                   const struct rte_flow_action actions[],
 285                   struct rte_flow_error *error)
 286 {
 287         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 288         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 289         int ret;
 290
 291         if (unlikely(!ops))
 292                 return -rte_errno;
 293         if (likely(!!ops->validate)) {
 294                 fts_enter(dev);
 295                 ret = ops->validate(dev, attr, pattern, actions, error);
 296                 fts_exit(dev);
 297                 return flow_err(port_id, ret, error);
 298         }
 299         return rte_flow_error_set(error, ENOSYS,
 300                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 301                                   NULL, rte_strerror(ENOSYS));
 302 }
 303
 304 /* Create a flow rule on a given port. */
 305 struct rte_flow *
 306 rte_flow_create(uint16_t port_id,
 307                 const struct rte_flow_attr *attr,
 308                 const struct rte_flow_item pattern[],
 309                 const struct rte_flow_action actions[],
 310                 struct rte_flow_error *error)
 311 {
 312         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 313         struct rte_flow *flow;
 314         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 315
 316         if (unlikely(!ops))
 317                 return NULL;
 318         if (likely(!!ops->create)) {
 319                 fts_enter(dev);
 320                 flow = ops->create(dev, attr, pattern, actions, error);
 321                 fts_exit(dev);
 322                 if (flow == NULL)
 323                         flow_err(port_id, -rte_errno, error);
 324                 return flow;
 325         }
 326         rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 327                            NULL, rte_strerror(ENOSYS));
 328         return NULL;
 329 }
 330
 331 /* Destroy a flow rule on a given port. */
 332 int
 333 rte_flow_destroy(uint16_t port_id,
 334                  struct rte_flow *flow,
 335                  struct rte_flow_error *error)
 336 {
 337         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 338         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 339         int ret;
 340
 341         if (unlikely(!ops))
 342                 return -rte_errno;
 343         if (likely(!!ops->destroy)) {
 344                 fts_enter(dev);
 345                 ret = ops->destroy(dev, flow, error);
 346                 fts_exit(dev);
 347                 return flow_err(port_id, ret, error);
 348         }
 349         return rte_flow_error_set(error, ENOSYS,
 350                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 351                                   NULL, rte_strerror(ENOSYS));
 352 }
 353
 354 /* Destroy all flow rules associated with a port. */
 355 int
 356 rte_flow_flush(uint16_t port_id,
 357                struct rte_flow_error *error)
 358 {
 359         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 360         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 361         int ret;
 362
 363         if (unlikely(!ops))
 364                 return -rte_errno;
 365         if (likely(!!ops->flush)) {
 366                 fts_enter(dev);
 367                 ret = ops->flush(dev, error);
 368                 fts_exit(dev);
 369                 return flow_err(port_id, ret, error);
 370         }
 371         return rte_flow_error_set(error, ENOSYS,
 372                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 373                                   NULL, rte_strerror(ENOSYS));
 374 }
 375
 376 /* Query an existing flow rule. */
 377 int
 378 rte_flow_query(uint16_t port_id,
 379                struct rte_flow *flow,
 380                const struct rte_flow_action *action,
 381                void *data,
 382                struct rte_flow_error *error)
 383 {
 384         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 385         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 386         int ret;
 387
 388         if (!ops)
 389                 return -rte_errno;
 390         if (likely(!!ops->query)) {
 391                 fts_enter(dev);
 392                 ret = ops->query(dev, flow, action, data, error);
 393                 fts_exit(dev);
 394                 return flow_err(port_id, ret, error);
 395         }
 396         return rte_flow_error_set(error, ENOSYS,
 397                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 398                                   NULL, rte_strerror(ENOSYS));
 399 }
 400
 401 /* Restrict ingress traffic to the defined flow rules. */
 402 int
 403 rte_flow_isolate(uint16_t port_id,
 404                  int set,
 405                  struct rte_flow_error *error)
 406 {
 407         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 408         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 409         int ret;
 410
 411         if (!ops)
 412                 return -rte_errno;
 413         if (likely(!!ops->isolate)) {
 414                 fts_enter(dev);
 415                 ret = ops->isolate(dev, set, error);
 416                 fts_exit(dev);
 417                 return flow_err(port_id, ret, error);
 418         }
 419         return rte_flow_error_set(error, ENOSYS,
 420                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 421                                   NULL, rte_strerror(ENOSYS));
 422 }
 423
 424 /* Initialize flow error structure. */
 425 int
 426 rte_flow_error_set(struct rte_flow_error *error,
 427                    int code,
 428                    enum rte_flow_error_type type,
 429                    const void *cause,
 430                    const char *message)
 431 {
 432         if (error) {
 433                 *error = (struct rte_flow_error){
 434                         .type = type,
 435                         .cause = cause,
 436                         .message = message,
 437                 };
 438         }
 439         rte_errno = code;
 440         return -code;
 441 }
 442
 443 /** Pattern item specification types. */
 444 enum rte_flow_conv_item_spec_type {
 445         RTE_FLOW_CONV_ITEM_SPEC,
 446         RTE_FLOW_CONV_ITEM_LAST,
 447         RTE_FLOW_CONV_ITEM_MASK,
 448 };
 449
 450 /**
 451  * Copy pattern item specification.
 452  *
 453  * @param[out] buf
 454  *   Output buffer. Can be NULL if @p size is zero.
 455  * @param size
 456  *   Size of @p buf in bytes.
 457  * @param[in] item
 458  *   Pattern item to copy specification from.
 459  * @param type
 460  *   Specification selector for either @p spec, @p last or @p mask.
 461  *
 462  * @return
 463  *   Number of bytes needed to store pattern item specification regardless
 464  *   of @p size. @p buf contents are truncated to @p size if not large
 465  *   enough.
 466  */
 467 static size_t
 468 rte_flow_conv_item_spec(void *buf, const size_t size,
 469                         const struct rte_flow_item *item,
 470                         enum rte_flow_conv_item_spec_type type)
 471 {
 472         size_t off;
 473         const void *data =
 474                 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec :
 475                 type == RTE_FLOW_CONV_ITEM_LAST ? item->last :
 476                 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask :
 477                 NULL;
 478
 479         switch (item->type) {
 480                 union {
 481                         const struct rte_flow_item_raw *raw;
 482                 } spec;
 483                 union {
 484                         const struct rte_flow_item_raw *raw;
 485                 } last;
 486                 union {
 487                         const struct rte_flow_item_raw *raw;
 488                 } mask;
 489                 union {
 490                         const struct rte_flow_item_raw *raw;
 491                 } src;
 492                 union {
 493                         struct rte_flow_item_raw *raw;
 494                 } dst;
 495                 size_t tmp;
 496
 497         case RTE_FLOW_ITEM_TYPE_RAW:
 498                 spec.raw = item->spec;
 499                 last.raw = item->last ? item->last : item->spec;
 500                 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask;
 501                 src.raw = data;
 502                 dst.raw = buf;
 503                 rte_memcpy(dst.raw,
 504                            (&(struct rte_flow_item_raw){
 505                                 .relative = src.raw->relative,
 506                                 .search = src.raw->search,
 507                                 .reserved = src.raw->reserved,
 508                                 .offset = src.raw->offset,
 509                                 .limit = src.raw->limit,
 510                                 .length = src.raw->length,
 511                            }),
 512                            size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size);
 513                 off = sizeof(*dst.raw);
 514                 if (type == RTE_FLOW_CONV_ITEM_SPEC ||
 515                     (type == RTE_FLOW_CONV_ITEM_MASK &&
 516                      ((spec.raw->length & mask.raw->length) >=
 517                       (last.raw->length & mask.raw->length))))
 518                         tmp = spec.raw->length & mask.raw->length;
 519                 else
 520                         tmp = last.raw->length & mask.raw->length;
 521                 if (tmp) {
 522                         off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern));
 523                         if (size >= off + tmp)
 524                                 dst.raw->pattern = rte_memcpy
 525                                         ((void *)((uintptr_t)dst.raw + off),
 526                                          src.raw->pattern, tmp);
 527                         off += tmp;
 528                 }
 529                 break;
 530         default:
 531                 /**
 532                  * allow PMD private flow item
 533                  */
 534                 off = (int)item->type >= 0 ?
 535                       rte_flow_desc_item[item->type].size : sizeof(void *);
 536                 rte_memcpy(buf, data, (size > off ? off : size));
 537                 break;
 538         }
 539         return off;
 540 }
 541
 542 /**
 543  * Copy action configuration.
 544  *
 545  * @param[out] buf
 546  *   Output buffer. Can be NULL if @p size is zero.
 547  * @param size
 548  *   Size of @p buf in bytes.
 549  * @param[in] action
 550  *   Action to copy configuration from.
 551  *
 552  * @return
 553  *   Number of bytes needed to store pattern item specification regardless
 554  *   of @p size. @p buf contents are truncated to @p size if not large
 555  *   enough.
 556  */
 557 static size_t
 558 rte_flow_conv_action_conf(void *buf, const size_t size,
 559                           const struct rte_flow_action *action)
 560 {
 561         size_t off;
 562
 563         switch (action->type) {
 564                 union {
 565                         const struct rte_flow_action_rss *rss;
 566                         const struct rte_flow_action_vxlan_encap *vxlan_encap;
 567                         const struct rte_flow_action_nvgre_encap *nvgre_encap;
 568                 } src;
 569                 union {
 570                         struct rte_flow_action_rss *rss;
 571                         struct rte_flow_action_vxlan_encap *vxlan_encap;
 572                         struct rte_flow_action_nvgre_encap *nvgre_encap;
 573                 } dst;
 574                 size_t tmp;
 575                 int ret;
 576
 577         case RTE_FLOW_ACTION_TYPE_RSS:
 578                 src.rss = action->conf;
 579                 dst.rss = buf;
 580                 rte_memcpy(dst.rss,
 581                            (&(struct rte_flow_action_rss){
 582                                 .func = src.rss->func,
 583                                 .level = src.rss->level,
 584                                 .types = src.rss->types,
 585                                 .key_len = src.rss->key_len,
 586                                 .queue_num = src.rss->queue_num,
 587                            }),
 588                            size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size);
 589                 off = sizeof(*dst.rss);
 590                 if (src.rss->key_len && src.rss->key) {
 591                         off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key));
 592                         tmp = sizeof(*src.rss->key) * src.rss->key_len;
 593                         if (size >= off + tmp)
 594                                 dst.rss->key = rte_memcpy
 595                                         ((void *)((uintptr_t)dst.rss + off),
 596                                          src.rss->key, tmp);
 597                         off += tmp;
 598                 }
 599                 if (src.rss->queue_num) {
 600                         off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue));
 601                         tmp = sizeof(*src.rss->queue) * src.rss->queue_num;
 602                         if (size >= off + tmp)
 603                                 dst.rss->queue = rte_memcpy
 604                                         ((void *)((uintptr_t)dst.rss + off),
 605                                          src.rss->queue, tmp);
 606                         off += tmp;
 607                 }
 608                 break;
 609         case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
 610         case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
 611                 src.vxlan_encap = action->conf;
 612                 dst.vxlan_encap = buf;
 613                 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) !=
 614                                  sizeof(*src.nvgre_encap) ||
 615                                  offsetof(struct rte_flow_action_vxlan_encap,
 616                                           definition) !=
 617                                  offsetof(struct rte_flow_action_nvgre_encap,
 618                                           definition));
 619                 off = sizeof(*dst.vxlan_encap);
 620                 if (src.vxlan_encap->definition) {
 621                         off = RTE_ALIGN_CEIL
 622                                 (off, sizeof(*dst.vxlan_encap->definition));
 623                         ret = rte_flow_conv
 624                                 (RTE_FLOW_CONV_OP_PATTERN,
 625                                  (void *)((uintptr_t)dst.vxlan_encap + off),
 626                                  size > off ? size - off : 0,
 627                                  src.vxlan_encap->definition, NULL);
 628                         if (ret < 0)
 629                                 return 0;
 630                         if (size >= off + ret)
 631                                 dst.vxlan_encap->definition =
 632                                         (void *)((uintptr_t)dst.vxlan_encap +
 633                                                  off);
 634                         off += ret;
 635                 }
 636                 break;
 637         default:
 638                 /**
 639                  * allow PMD private flow action
 640                  */
 641                 off = (int)action->type >= 0 ?
 642                       rte_flow_desc_action[action->type].size : sizeof(void *);
 643                 rte_memcpy(buf, action->conf, (size > off ? off : size));
 644                 break;
 645         }
 646         return off;
 647 }
 648
 649 /**
 650  * Copy a list of pattern items.
 651  *
 652  * @param[out] dst
 653  *   Destination buffer. Can be NULL if @p size is zero.
 654  * @param size
 655  *   Size of @p dst in bytes.
 656  * @param[in] src
 657  *   Source pattern items.
 658  * @param num
 659  *   Maximum number of pattern items to process from @p src or 0 to process
 660  *   the entire list. In both cases, processing stops after
 661  *   RTE_FLOW_ITEM_TYPE_END is encountered.
 662  * @param[out] error
 663  *   Perform verbose error reporting if not NULL.
 664  *
 665  * @return
 666  *   A positive value representing the number of bytes needed to store
 667  *   pattern items regardless of @p size on success (@p buf contents are
 668  *   truncated to @p size if not large enough), a negative errno value
 669  *   otherwise and rte_errno is set.
 670  */
 671 static int
 672 rte_flow_conv_pattern(struct rte_flow_item *dst,
 673                       const size_t size,
 674                       const struct rte_flow_item *src,
 675                       unsigned int num,
 676                       struct rte_flow_error *error)
 677 {
 678         uintptr_t data = (uintptr_t)dst;
 679         size_t off;
 680         size_t ret;
 681         unsigned int i;
 682
 683         for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) {
 684                 /**
 685                  * allow PMD private flow item
 686                  */
 687                 if (((int)src->type >= 0) &&
 688                         ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) ||
 689                     !rte_flow_desc_item[src->type].name))
 690                         return rte_flow_error_set
 691                                 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src,
 692                                  "cannot convert unknown item type");
 693                 if (size >= off + sizeof(*dst))
 694                         *dst = (struct rte_flow_item){
 695                                 .type = src->type,
 696                         };
 697                 off += sizeof(*dst);
 698                 if (!src->type)
 699                         num = i + 1;
 700         }
 701         num = i;
 702         src -= num;
 703         dst -= num;
 704         do {
 705                 if (src->spec) {
 706                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 707                         ret = rte_flow_conv_item_spec
 708                                 ((void *)(data + off),
 709                                  size > off ? size - off : 0, src,
 710                                  RTE_FLOW_CONV_ITEM_SPEC);
 711                         if (size && size >= off + ret)
 712                                 dst->spec = (void *)(data + off);
 713                         off += ret;
 714
 715                 }
 716                 if (src->last) {
 717                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 718                         ret = rte_flow_conv_item_spec
 719                                 ((void *)(data + off),
 720                                  size > off ? size - off : 0, src,
 721                                  RTE_FLOW_CONV_ITEM_LAST);
 722                         if (size && size >= off + ret)
 723                                 dst->last = (void *)(data + off);
 724                         off += ret;
 725                 }
 726                 if (src->mask) {
 727                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 728                         ret = rte_flow_conv_item_spec
 729                                 ((void *)(data + off),
 730                                  size > off ? size - off : 0, src,
 731                                  RTE_FLOW_CONV_ITEM_MASK);
 732                         if (size && size >= off + ret)
 733                                 dst->mask = (void *)(data + off);
 734                         off += ret;
 735                 }
 736                 ++src;
 737                 ++dst;
 738         } while (--num);
 739         return off;
 740 }
 741
 742 /**
 743  * Copy a list of actions.
 744  *
 745  * @param[out] dst
 746  *   Destination buffer. Can be NULL if @p size is zero.
 747  * @param size
 748  *   Size of @p dst in bytes.
 749  * @param[in] src
 750  *   Source actions.
 751  * @param num
 752  *   Maximum number of actions to process from @p src or 0 to process the
 753  *   entire list. In both cases, processing stops after
 754  *   RTE_FLOW_ACTION_TYPE_END is encountered.
 755  * @param[out] error
 756  *   Perform verbose error reporting if not NULL.
 757  *
 758  * @return
 759  *   A positive value representing the number of bytes needed to store
 760  *   actions regardless of @p size on success (@p buf contents are truncated
 761  *   to @p size if not large enough), a negative errno value otherwise and
 762  *   rte_errno is set.
 763  */
 764 static int
 765 rte_flow_conv_actions(struct rte_flow_action *dst,
 766                       const size_t size,
 767                       const struct rte_flow_action *src,
 768                       unsigned int num,
 769                       struct rte_flow_error *error)
 770 {
 771         uintptr_t data = (uintptr_t)dst;
 772         size_t off;
 773         size_t ret;
 774         unsigned int i;
 775
 776         for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) {
 777                 /**
 778                  * allow PMD private flow action
 779                  */
 780                 if (((int)src->type >= 0) &&
 781                     ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) ||
 782                     !rte_flow_desc_action[src->type].name))
 783                         return rte_flow_error_set
 784                                 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
 785                                  src, "cannot convert unknown action type");
 786                 if (size >= off + sizeof(*dst))
 787                         *dst = (struct rte_flow_action){
 788                                 .type = src->type,
 789                         };
 790                 off += sizeof(*dst);
 791                 if (!src->type)
 792                         num = i + 1;
 793         }
 794         num = i;
 795         src -= num;
 796         dst -= num;
 797         do {
 798                 if (src->conf) {
 799                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 800                         ret = rte_flow_conv_action_conf
 801                                 ((void *)(data + off),
 802                                  size > off ? size - off : 0, src);
 803                         if (size && size >= off + ret)
 804                                 dst->conf = (void *)(data + off);
 805                         off += ret;
 806                 }
 807                 ++src;
 808                 ++dst;
 809         } while (--num);
 810         return off;
 811 }
 812
 813 /**
 814  * Copy flow rule components.
 815  *
 816  * This comprises the flow rule descriptor itself, attributes, pattern and
 817  * actions list. NULL components in @p src are skipped.
 818  *
 819  * @param[out] dst
 820  *   Destination buffer. Can be NULL if @p size is zero.
 821  * @param size
 822  *   Size of @p dst in bytes.
 823  * @param[in] src
 824  *   Source flow rule descriptor.
 825  * @param[out] error
 826  *   Perform verbose error reporting if not NULL.
 827  *
 828  * @return
 829  *   A positive value representing the number of bytes needed to store all
 830  *   components including the descriptor regardless of @p size on success
 831  *   (@p buf contents are truncated to @p size if not large enough), a
 832  *   negative errno value otherwise and rte_errno is set.
 833  */
 834 static int
 835 rte_flow_conv_rule(struct rte_flow_conv_rule *dst,
 836                    const size_t size,
 837                    const struct rte_flow_conv_rule *src,
 838                    struct rte_flow_error *error)
 839 {
 840         size_t off;
 841         int ret;
 842
 843         rte_memcpy(dst,
 844                    (&(struct rte_flow_conv_rule){
 845                         .attr = NULL,
 846                         .pattern = NULL,
 847                         .actions = NULL,
 848                    }),
 849                    size > sizeof(*dst) ? sizeof(*dst) : size);
 850         off = sizeof(*dst);
 851         if (src->attr_ro) {
 852                 off = RTE_ALIGN_CEIL(off, sizeof(double));
 853                 if (size && size >= off + sizeof(*dst->attr))
 854                         dst->attr = rte_memcpy
 855                                 ((void *)((uintptr_t)dst + off),
 856                                  src->attr_ro, sizeof(*dst->attr));
 857                 off += sizeof(*dst->attr);
 858         }
 859         if (src->pattern_ro) {
 860                 off = RTE_ALIGN_CEIL(off, sizeof(double));
 861                 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off),
 862                                             size > off ? size - off : 0,
 863                                             src->pattern_ro, 0, error);
 864                 if (ret < 0)
 865                         return ret;
 866                 if (size && size >= off + (size_t)ret)
 867                         dst->pattern = (void *)((uintptr_t)dst + off);
 868                 off += ret;
 869         }
 870         if (src->actions_ro) {
 871                 off = RTE_ALIGN_CEIL(off, sizeof(double));
 872                 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off),
 873                                             size > off ? size - off : 0,
 874                                             src->actions_ro, 0, error);
 875                 if (ret < 0)
 876                         return ret;
 877                 if (size >= off + (size_t)ret)
 878                         dst->actions = (void *)((uintptr_t)dst + off);
 879                 off += ret;
 880         }
 881         return off;
 882 }
 883
 884 /**
 885  * Retrieve the name of a pattern item/action type.
 886  *
 887  * @param is_action
 888  *   Nonzero when @p src represents an action type instead of a pattern item
 889  *   type.
 890  * @param is_ptr
 891  *   Nonzero to write string address instead of contents into @p dst.
 892  * @param[out] dst
 893  *   Destination buffer. Can be NULL if @p size is zero.
 894  * @param size
 895  *   Size of @p dst in bytes.
 896  * @param[in] src
 897  *   Depending on @p is_action, source pattern item or action type cast as a
 898  *   pointer.
 899  * @param[out] error
 900  *   Perform verbose error reporting if not NULL.
 901  *
 902  * @return
 903  *   A positive value representing the number of bytes needed to store the
 904  *   name or its address regardless of @p size on success (@p buf contents
 905  *   are truncated to @p size if not large enough), a negative errno value
 906  *   otherwise and rte_errno is set.
 907  */
 908 static int
 909 rte_flow_conv_name(int is_action,
 910                    int is_ptr,
 911                    char *dst,
 912                    const size_t size,
 913                    const void *src,
 914                    struct rte_flow_error *error)
 915 {
 916         struct desc_info {
 917                 const struct rte_flow_desc_data *data;
 918                 size_t num;
 919         };
 920         static const struct desc_info info_rep[2] = {
 921                 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), },
 922                 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), },
 923         };
 924         const struct desc_info *const info = &info_rep[!!is_action];
 925         unsigned int type = (uintptr_t)src;
 926
 927         if (type >= info->num)
 928                 return rte_flow_error_set
 929                         (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
 930                          "unknown object type to retrieve the name of");
 931         if (!is_ptr)
 932                 return strlcpy(dst, info->data[type].name, size);
 933         if (size >= sizeof(const char **))
 934                 *((const char **)dst) = info->data[type].name;
 935         return sizeof(const char **);
 936 }
 937
 938 /** Helper function to convert flow API objects. */
 939 int
 940 rte_flow_conv(enum rte_flow_conv_op op,
 941               void *dst,
 942               size_t size,
 943               const void *src,
 944               struct rte_flow_error *error)
 945 {
 946         switch (op) {
 947                 const struct rte_flow_attr *attr;
 948
 949         case RTE_FLOW_CONV_OP_NONE:
 950                 return 0;
 951         case RTE_FLOW_CONV_OP_ATTR:
 952                 attr = src;
 953                 if (size > sizeof(*attr))
 954                         size = sizeof(*attr);
 955                 rte_memcpy(dst, attr, size);
 956                 return sizeof(*attr);
 957         case RTE_FLOW_CONV_OP_ITEM:
 958                 return rte_flow_conv_pattern(dst, size, src, 1, error);
 959         case RTE_FLOW_CONV_OP_ACTION:
 960                 return rte_flow_conv_actions(dst, size, src, 1, error);
 961         case RTE_FLOW_CONV_OP_PATTERN:
 962                 return rte_flow_conv_pattern(dst, size, src, 0, error);
 963         case RTE_FLOW_CONV_OP_ACTIONS:
 964                 return rte_flow_conv_actions(dst, size, src, 0, error);
 965         case RTE_FLOW_CONV_OP_RULE:
 966                 return rte_flow_conv_rule(dst, size, src, error);
 967         case RTE_FLOW_CONV_OP_ITEM_NAME:
 968                 return rte_flow_conv_name(0, 0, dst, size, src, error);
 969         case RTE_FLOW_CONV_OP_ACTION_NAME:
 970                 return rte_flow_conv_name(1, 0, dst, size, src, error);
 971         case RTE_FLOW_CONV_OP_ITEM_NAME_PTR:
 972                 return rte_flow_conv_name(0, 1, dst, size, src, error);
 973         case RTE_FLOW_CONV_OP_ACTION_NAME_PTR:
 974                 return rte_flow_conv_name(1, 1, dst, size, src, error);
 975         }
 976         return rte_flow_error_set
 977                 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
 978                  "unknown object conversion operation");
 979 }
 980
 981 /** Store a full rte_flow description. */
 982 size_t
 983 rte_flow_copy(struct rte_flow_desc *desc, size_t len,
 984               const struct rte_flow_attr *attr,
 985               const struct rte_flow_item *items,
 986               const struct rte_flow_action *actions)
 987 {
 988         /*
 989          * Overlap struct rte_flow_conv with struct rte_flow_desc in order
 990          * to convert the former to the latter without wasting space.
 991          */
 992         struct rte_flow_conv_rule *dst =
 993                 len ?
 994                 (void *)((uintptr_t)desc +
 995                          (offsetof(struct rte_flow_desc, actions) -
 996                           offsetof(struct rte_flow_conv_rule, actions))) :
 997                 NULL;
 998         size_t dst_size =
 999                 len > sizeof(*desc) - sizeof(*dst) ?
1000                 len - (sizeof(*desc) - sizeof(*dst)) :
1001                 0;
1002         struct rte_flow_conv_rule src = {
1003                 .attr_ro = NULL,
1004                 .pattern_ro = items,
1005                 .actions_ro = actions,
1006         };
1007         int ret;
1008
1009         RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) <
1010                          sizeof(struct rte_flow_conv_rule));
1011         if (dst_size &&
1012             (&dst->pattern != &desc->items ||
1013              &dst->actions != &desc->actions ||
1014              (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) {
1015                 rte_errno = EINVAL;
1016                 return 0;
1017         }
1018         ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL);
1019         if (ret < 0)
1020                 return 0;
1021         ret += sizeof(*desc) - sizeof(*dst);
1022         rte_memcpy(desc,
1023                    (&(struct rte_flow_desc){
1024                         .size = ret,
1025                         .attr = *attr,
1026                         .items = dst_size ? dst->pattern : NULL,
1027                         .actions = dst_size ? dst->actions : NULL,
1028                    }),
1029                    len > sizeof(*desc) ? sizeof(*desc) : len);
1030         return ret;
1031 }
1032
1033 int
1034 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow,
1035                         FILE *file, struct rte_flow_error *error)
1036 {
1037         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1038         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1039         int ret;
1040
1041         if (unlikely(!ops))
1042                 return -rte_errno;
1043         if (likely(!!ops->dev_dump)) {
1044                 fts_enter(dev);
1045                 ret = ops->dev_dump(dev, flow, file, error);
1046                 fts_exit(dev);
1047                 return flow_err(port_id, ret, error);
1048         }
1049         return rte_flow_error_set(error, ENOSYS,
1050                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1051                                   NULL, rte_strerror(ENOSYS));
1052 }
1053
1054 int
1055 rte_flow_get_aged_flows(uint16_t port_id, void **contexts,
1056                     uint32_t nb_contexts, struct rte_flow_error *error)
1057 {
1058         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1059         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1060         int ret;
1061
1062         if (unlikely(!ops))
1063                 return -rte_errno;
1064         if (likely(!!ops->get_aged_flows)) {
1065                 fts_enter(dev);
1066                 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error);
1067                 fts_exit(dev);
1068                 return flow_err(port_id, ret, error);
1069         }
1070         return rte_flow_error_set(error, ENOTSUP,
1071                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1072                                   NULL, rte_strerror(ENOTSUP));
1073 }
1074
1075 struct rte_flow_action_handle *
1076 rte_flow_action_handle_create(uint16_t port_id,
1077                               const struct rte_flow_indir_action_conf *conf,
1078                               const struct rte_flow_action *action,
1079                               struct rte_flow_error *error)
1080 {
1081         struct rte_flow_action_handle *handle;
1082         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1083
1084         if (unlikely(!ops))
1085                 return NULL;
1086         if (unlikely(!ops->action_handle_create)) {
1087                 rte_flow_error_set(error, ENOSYS,
1088                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1089                                    rte_strerror(ENOSYS));
1090                 return NULL;
1091         }
1092         handle = ops->action_handle_create(&rte_eth_devices[port_id],
1093                                            conf, action, error);
1094         if (handle == NULL)
1095                 flow_err(port_id, -rte_errno, error);
1096         return handle;
1097 }
1098
1099 int
1100 rte_flow_action_handle_destroy(uint16_t port_id,
1101                                struct rte_flow_action_handle *handle,
1102                                struct rte_flow_error *error)
1103 {
1104         int ret;
1105         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1106
1107         if (unlikely(!ops))
1108                 return -rte_errno;
1109         if (unlikely(!ops->action_handle_destroy))
1110                 return rte_flow_error_set(error, ENOSYS,
1111                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1112                                           NULL, rte_strerror(ENOSYS));
1113         ret = ops->action_handle_destroy(&rte_eth_devices[port_id],
1114                                          handle, error);
1115         return flow_err(port_id, ret, error);
1116 }
1117
1118 int
1119 rte_flow_action_handle_update(uint16_t port_id,
1120                               struct rte_flow_action_handle *handle,
1121                               const void *update,
1122                               struct rte_flow_error *error)
1123 {
1124         int ret;
1125         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1126
1127         if (unlikely(!ops))
1128                 return -rte_errno;
1129         if (unlikely(!ops->action_handle_update))
1130                 return rte_flow_error_set(error, ENOSYS,
1131                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1132                                           NULL, rte_strerror(ENOSYS));
1133         ret = ops->action_handle_update(&rte_eth_devices[port_id], handle,
1134                                         update, error);
1135         return flow_err(port_id, ret, error);
1136 }
1137
1138 int
1139 rte_flow_action_handle_query(uint16_t port_id,
1140                              const struct rte_flow_action_handle *handle,
1141                              void *data,
1142                              struct rte_flow_error *error)
1143 {
1144         int ret;
1145         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1146
1147         if (unlikely(!ops))
1148                 return -rte_errno;
1149         if (unlikely(!ops->action_handle_query))
1150                 return rte_flow_error_set(error, ENOSYS,
1151                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1152                                           NULL, rte_strerror(ENOSYS));
1153         ret = ops->action_handle_query(&rte_eth_devices[port_id], handle,
1154                                        data, error);
1155         return flow_err(port_id, ret, error);
1156 }
1157
1158 int
1159 rte_flow_tunnel_decap_set(uint16_t port_id,
1160                           struct rte_flow_tunnel *tunnel,
1161                           struct rte_flow_action **actions,
1162                           uint32_t *num_of_actions,
1163                           struct rte_flow_error *error)
1164 {
1165         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1166         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1167
1168         if (unlikely(!ops))
1169                 return -rte_errno;
1170         if (likely(!!ops->tunnel_decap_set)) {
1171                 return flow_err(port_id,
1172                                 ops->tunnel_decap_set(dev, tunnel, actions,
1173                                                       num_of_actions, error),
1174                                 error);
1175         }
1176         return rte_flow_error_set(error, ENOTSUP,
1177                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1178                                   NULL, rte_strerror(ENOTSUP));
1179 }
1180
1181 int
1182 rte_flow_tunnel_match(uint16_t port_id,
1183                       struct rte_flow_tunnel *tunnel,
1184                       struct rte_flow_item **items,
1185                       uint32_t *num_of_items,
1186                       struct rte_flow_error *error)
1187 {
1188         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1189         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1190
1191         if (unlikely(!ops))
1192                 return -rte_errno;
1193         if (likely(!!ops->tunnel_match)) {
1194                 return flow_err(port_id,
1195                                 ops->tunnel_match(dev, tunnel, items,
1196                                                   num_of_items, error),
1197                                 error);
1198         }
1199         return rte_flow_error_set(error, ENOTSUP,
1200                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1201                                   NULL, rte_strerror(ENOTSUP));
1202 }
1203
1204 int
1205 rte_flow_get_restore_info(uint16_t port_id,
1206                           struct rte_mbuf *m,
1207                           struct rte_flow_restore_info *restore_info,
1208                           struct rte_flow_error *error)
1209 {
1210         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1211         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1212
1213         if (unlikely(!ops))
1214                 return -rte_errno;
1215         if (likely(!!ops->get_restore_info)) {
1216                 return flow_err(port_id,
1217                                 ops->get_restore_info(dev, m, restore_info,
1218                                                       error),
1219                                 error);
1220         }
1221         return rte_flow_error_set(error, ENOTSUP,
1222                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1223                                   NULL, rte_strerror(ENOTSUP));
1224 }
1225
1226 int
1227 rte_flow_tunnel_action_decap_release(uint16_t port_id,
1228                                      struct rte_flow_action *actions,
1229                                      uint32_t num_of_actions,
1230                                      struct rte_flow_error *error)
1231 {
1232         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1233         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1234
1235         if (unlikely(!ops))
1236                 return -rte_errno;
1237         if (likely(!!ops->tunnel_action_decap_release)) {
1238                 return flow_err(port_id,
1239                                 ops->tunnel_action_decap_release(dev, actions,
1240                                                                  num_of_actions,
1241                                                                  error),
1242                                 error);
1243         }
1244         return rte_flow_error_set(error, ENOTSUP,
1245                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1246                                   NULL, rte_strerror(ENOTSUP));
1247 }
1248
1249 int
1250 rte_flow_tunnel_item_release(uint16_t port_id,
1251                              struct rte_flow_item *items,
1252                              uint32_t num_of_items,
1253                              struct rte_flow_error *error)
1254 {
1255         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1256         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1257
1258         if (unlikely(!ops))
1259                 return -rte_errno;
1260         if (likely(!!ops->tunnel_item_release)) {
1261                 return flow_err(port_id,
1262                                 ops->tunnel_item_release(dev, items,
1263                                                          num_of_items, error),
1264                                 error);
1265         }
1266         return rte_flow_error_set(error, ENOTSUP,
1267                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1268                                   NULL, rte_strerror(ENOTSUP));
1269 }