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