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