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
  10 #include <rte_common.h>
  11 #include <rte_errno.h>
  12 #include <rte_branch_prediction.h>
  13 #include <rte_string_fns.h>
  14 #include <rte_mbuf_dyn.h>
  15 #include "rte_ethdev.h"
  16 #include "rte_flow_driver.h"
  17 #include "rte_flow.h"
  18
  19 /* Mbuf dynamic field name for metadata. */
  20 int32_t rte_flow_dynf_metadata_offs = -1;
  21
  22 /* Mbuf dynamic field flag bit number for metadata. */
  23 uint64_t rte_flow_dynf_metadata_mask;
  24
  25 /**
  26  * Flow elements description tables.
  27  */
  28 struct rte_flow_desc_data {
  29         const char *name;
  30         size_t size;
  31         size_t (*desc_fn)(void *dst, const void *src);
  32 };
  33
  34 /**
  35  *
  36  * @param buf
  37  * Destination memory.
  38  * @param data
  39  * Source memory
  40  * @param size
  41  * Requested copy size
  42  * @param desc
  43  * rte_flow_desc_item - for flow item conversion.
  44  * rte_flow_desc_action - for flow action conversion.
  45  * @param type
  46  * Offset into the desc param or negative value for private flow elements.
  47  */
  48 static inline size_t
  49 rte_flow_conv_copy(void *buf, const void *data, const size_t size,
  50                    const struct rte_flow_desc_data *desc, int type)
  51 {
  52         /**
  53          * Allow PMD private flow item
  54          */
  55         bool rte_type = type >= 0;
  56
  57         size_t sz = rte_type ? desc[type].size : sizeof(void *);
  58         if (buf == NULL || data == NULL)
  59                 return 0;
  60         rte_memcpy(buf, data, (size > sz ? sz : size));
  61         if (rte_type && desc[type].desc_fn)
  62                 sz += desc[type].desc_fn(size > 0 ? buf : NULL, data);
  63         return sz;
  64 }
  65
  66 static size_t
  67 rte_flow_item_flex_conv(void *buf, const void *data)
  68 {
  69         struct rte_flow_item_flex *dst = buf;
  70         const struct rte_flow_item_flex *src = data;
  71         if (buf) {
  72                 dst->pattern = rte_memcpy
  73                         ((void *)((uintptr_t)(dst + 1)), src->pattern,
  74                          src->length);
  75         }
  76         return src->length;
  77 }
  78
  79 /** Generate flow_item[] entry. */
  80 #define MK_FLOW_ITEM(t, s) \
  81         [RTE_FLOW_ITEM_TYPE_ ## t] = { \
  82                 .name = # t, \
  83                 .size = s,               \
  84                 .desc_fn = NULL,\
  85         }
  86
  87 #define MK_FLOW_ITEM_FN(t, s, fn) \
  88         [RTE_FLOW_ITEM_TYPE_ ## t] = {\
  89                 .name = # t,                 \
  90                 .size = s,                   \
  91                 .desc_fn = fn,               \
  92         }
  93
  94 /** Information about known flow pattern items. */
  95 static const struct rte_flow_desc_data rte_flow_desc_item[] = {
  96         MK_FLOW_ITEM(END, 0),
  97         MK_FLOW_ITEM(VOID, 0),
  98         MK_FLOW_ITEM(INVERT, 0),
  99         MK_FLOW_ITEM(ANY, sizeof(struct rte_flow_item_any)),
 100         MK_FLOW_ITEM(PF, 0),
 101         MK_FLOW_ITEM(VF, sizeof(struct rte_flow_item_vf)),
 102         MK_FLOW_ITEM(PHY_PORT, sizeof(struct rte_flow_item_phy_port)),
 103         MK_FLOW_ITEM(PORT_ID, sizeof(struct rte_flow_item_port_id)),
 104         MK_FLOW_ITEM(RAW, sizeof(struct rte_flow_item_raw)),
 105         MK_FLOW_ITEM(ETH, sizeof(struct rte_flow_item_eth)),
 106         MK_FLOW_ITEM(VLAN, sizeof(struct rte_flow_item_vlan)),
 107         MK_FLOW_ITEM(IPV4, sizeof(struct rte_flow_item_ipv4)),
 108         MK_FLOW_ITEM(IPV6, sizeof(struct rte_flow_item_ipv6)),
 109         MK_FLOW_ITEM(ICMP, sizeof(struct rte_flow_item_icmp)),
 110         MK_FLOW_ITEM(UDP, sizeof(struct rte_flow_item_udp)),
 111         MK_FLOW_ITEM(TCP, sizeof(struct rte_flow_item_tcp)),
 112         MK_FLOW_ITEM(SCTP, sizeof(struct rte_flow_item_sctp)),
 113         MK_FLOW_ITEM(VXLAN, sizeof(struct rte_flow_item_vxlan)),
 114         MK_FLOW_ITEM(E_TAG, sizeof(struct rte_flow_item_e_tag)),
 115         MK_FLOW_ITEM(NVGRE, sizeof(struct rte_flow_item_nvgre)),
 116         MK_FLOW_ITEM(MPLS, sizeof(struct rte_flow_item_mpls)),
 117         MK_FLOW_ITEM(GRE, sizeof(struct rte_flow_item_gre)),
 118         MK_FLOW_ITEM(FUZZY, sizeof(struct rte_flow_item_fuzzy)),
 119         MK_FLOW_ITEM(GTP, sizeof(struct rte_flow_item_gtp)),
 120         MK_FLOW_ITEM(GTPC, sizeof(struct rte_flow_item_gtp)),
 121         MK_FLOW_ITEM(GTPU, sizeof(struct rte_flow_item_gtp)),
 122         MK_FLOW_ITEM(ESP, sizeof(struct rte_flow_item_esp)),
 123         MK_FLOW_ITEM(GENEVE, sizeof(struct rte_flow_item_geneve)),
 124         MK_FLOW_ITEM(VXLAN_GPE, sizeof(struct rte_flow_item_vxlan_gpe)),
 125         MK_FLOW_ITEM(ARP_ETH_IPV4, sizeof(struct rte_flow_item_arp_eth_ipv4)),
 126         MK_FLOW_ITEM(IPV6_EXT, sizeof(struct rte_flow_item_ipv6_ext)),
 127         MK_FLOW_ITEM(IPV6_FRAG_EXT, sizeof(struct rte_flow_item_ipv6_frag_ext)),
 128         MK_FLOW_ITEM(ICMP6, sizeof(struct rte_flow_item_icmp6)),
 129         MK_FLOW_ITEM(ICMP6_ND_NS, sizeof(struct rte_flow_item_icmp6_nd_ns)),
 130         MK_FLOW_ITEM(ICMP6_ND_NA, sizeof(struct rte_flow_item_icmp6_nd_na)),
 131         MK_FLOW_ITEM(ICMP6_ND_OPT, sizeof(struct rte_flow_item_icmp6_nd_opt)),
 132         MK_FLOW_ITEM(ICMP6_ND_OPT_SLA_ETH,
 133                      sizeof(struct rte_flow_item_icmp6_nd_opt_sla_eth)),
 134         MK_FLOW_ITEM(ICMP6_ND_OPT_TLA_ETH,
 135                      sizeof(struct rte_flow_item_icmp6_nd_opt_tla_eth)),
 136         MK_FLOW_ITEM(MARK, sizeof(struct rte_flow_item_mark)),
 137         MK_FLOW_ITEM(META, sizeof(struct rte_flow_item_meta)),
 138         MK_FLOW_ITEM(TAG, sizeof(struct rte_flow_item_tag)),
 139         MK_FLOW_ITEM(GRE_KEY, sizeof(rte_be32_t)),
 140         MK_FLOW_ITEM(GRE_OPTION, sizeof(struct rte_flow_item_gre_opt)),
 141         MK_FLOW_ITEM(GTP_PSC, sizeof(struct rte_flow_item_gtp_psc)),
 142         MK_FLOW_ITEM(PPPOES, sizeof(struct rte_flow_item_pppoe)),
 143         MK_FLOW_ITEM(PPPOED, sizeof(struct rte_flow_item_pppoe)),
 144         MK_FLOW_ITEM(PPPOE_PROTO_ID,
 145                         sizeof(struct rte_flow_item_pppoe_proto_id)),
 146         MK_FLOW_ITEM(NSH, sizeof(struct rte_flow_item_nsh)),
 147         MK_FLOW_ITEM(IGMP, sizeof(struct rte_flow_item_igmp)),
 148         MK_FLOW_ITEM(AH, sizeof(struct rte_flow_item_ah)),
 149         MK_FLOW_ITEM(HIGIG2, sizeof(struct rte_flow_item_higig2_hdr)),
 150         MK_FLOW_ITEM(L2TPV3OIP, sizeof(struct rte_flow_item_l2tpv3oip)),
 151         MK_FLOW_ITEM(PFCP, sizeof(struct rte_flow_item_pfcp)),
 152         MK_FLOW_ITEM(ECPRI, sizeof(struct rte_flow_item_ecpri)),
 153         MK_FLOW_ITEM(GENEVE_OPT, sizeof(struct rte_flow_item_geneve_opt)),
 154         MK_FLOW_ITEM(INTEGRITY, sizeof(struct rte_flow_item_integrity)),
 155         MK_FLOW_ITEM(CONNTRACK, sizeof(uint32_t)),
 156         MK_FLOW_ITEM(PORT_REPRESENTOR, sizeof(struct rte_flow_item_ethdev)),
 157         MK_FLOW_ITEM(REPRESENTED_PORT, sizeof(struct rte_flow_item_ethdev)),
 158         MK_FLOW_ITEM_FN(FLEX, sizeof(struct rte_flow_item_flex),
 159                         rte_flow_item_flex_conv),
 160         MK_FLOW_ITEM(L2TPV2, sizeof(struct rte_flow_item_l2tpv2)),
 161         MK_FLOW_ITEM(PPP, sizeof(struct rte_flow_item_ppp)),
 162 };
 163
 164 /** Generate flow_action[] entry. */
 165 #define MK_FLOW_ACTION(t, s) \
 166         [RTE_FLOW_ACTION_TYPE_ ## t] = { \
 167                 .name = # t, \
 168                 .size = s, \
 169                 .desc_fn = NULL,\
 170         }
 171
 172 #define MK_FLOW_ACTION_FN(t, fn) \
 173         [RTE_FLOW_ACTION_TYPE_ ## t] = { \
 174                 .name = # t, \
 175                 .size = 0, \
 176                 .desc_fn = fn,\
 177         }
 178
 179
 180 /** Information about known flow actions. */
 181 static const struct rte_flow_desc_data rte_flow_desc_action[] = {
 182         MK_FLOW_ACTION(END, 0),
 183         MK_FLOW_ACTION(VOID, 0),
 184         MK_FLOW_ACTION(PASSTHRU, 0),
 185         MK_FLOW_ACTION(JUMP, sizeof(struct rte_flow_action_jump)),
 186         MK_FLOW_ACTION(MARK, sizeof(struct rte_flow_action_mark)),
 187         MK_FLOW_ACTION(FLAG, 0),
 188         MK_FLOW_ACTION(QUEUE, sizeof(struct rte_flow_action_queue)),
 189         MK_FLOW_ACTION(DROP, 0),
 190         MK_FLOW_ACTION(COUNT, sizeof(struct rte_flow_action_count)),
 191         MK_FLOW_ACTION(RSS, sizeof(struct rte_flow_action_rss)),
 192         MK_FLOW_ACTION(PF, 0),
 193         MK_FLOW_ACTION(VF, sizeof(struct rte_flow_action_vf)),
 194         MK_FLOW_ACTION(PHY_PORT, sizeof(struct rte_flow_action_phy_port)),
 195         MK_FLOW_ACTION(PORT_ID, sizeof(struct rte_flow_action_port_id)),
 196         MK_FLOW_ACTION(METER, sizeof(struct rte_flow_action_meter)),
 197         MK_FLOW_ACTION(SECURITY, sizeof(struct rte_flow_action_security)),
 198         MK_FLOW_ACTION(OF_SET_MPLS_TTL,
 199                        sizeof(struct rte_flow_action_of_set_mpls_ttl)),
 200         MK_FLOW_ACTION(OF_DEC_MPLS_TTL, 0),
 201         MK_FLOW_ACTION(OF_SET_NW_TTL,
 202                        sizeof(struct rte_flow_action_of_set_nw_ttl)),
 203         MK_FLOW_ACTION(OF_DEC_NW_TTL, 0),
 204         MK_FLOW_ACTION(OF_COPY_TTL_OUT, 0),
 205         MK_FLOW_ACTION(OF_COPY_TTL_IN, 0),
 206         MK_FLOW_ACTION(OF_POP_VLAN, 0),
 207         MK_FLOW_ACTION(OF_PUSH_VLAN,
 208                        sizeof(struct rte_flow_action_of_push_vlan)),
 209         MK_FLOW_ACTION(OF_SET_VLAN_VID,
 210                        sizeof(struct rte_flow_action_of_set_vlan_vid)),
 211         MK_FLOW_ACTION(OF_SET_VLAN_PCP,
 212                        sizeof(struct rte_flow_action_of_set_vlan_pcp)),
 213         MK_FLOW_ACTION(OF_POP_MPLS,
 214                        sizeof(struct rte_flow_action_of_pop_mpls)),
 215         MK_FLOW_ACTION(OF_PUSH_MPLS,
 216                        sizeof(struct rte_flow_action_of_push_mpls)),
 217         MK_FLOW_ACTION(VXLAN_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)),
 218         MK_FLOW_ACTION(VXLAN_DECAP, 0),
 219         MK_FLOW_ACTION(NVGRE_ENCAP, sizeof(struct rte_flow_action_vxlan_encap)),
 220         MK_FLOW_ACTION(NVGRE_DECAP, 0),
 221         MK_FLOW_ACTION(RAW_ENCAP, sizeof(struct rte_flow_action_raw_encap)),
 222         MK_FLOW_ACTION(RAW_DECAP, sizeof(struct rte_flow_action_raw_decap)),
 223         MK_FLOW_ACTION(SET_IPV4_SRC,
 224                        sizeof(struct rte_flow_action_set_ipv4)),
 225         MK_FLOW_ACTION(SET_IPV4_DST,
 226                        sizeof(struct rte_flow_action_set_ipv4)),
 227         MK_FLOW_ACTION(SET_IPV6_SRC,
 228                        sizeof(struct rte_flow_action_set_ipv6)),
 229         MK_FLOW_ACTION(SET_IPV6_DST,
 230                        sizeof(struct rte_flow_action_set_ipv6)),
 231         MK_FLOW_ACTION(SET_TP_SRC,
 232                        sizeof(struct rte_flow_action_set_tp)),
 233         MK_FLOW_ACTION(SET_TP_DST,
 234                        sizeof(struct rte_flow_action_set_tp)),
 235         MK_FLOW_ACTION(MAC_SWAP, 0),
 236         MK_FLOW_ACTION(DEC_TTL, 0),
 237         MK_FLOW_ACTION(SET_TTL, sizeof(struct rte_flow_action_set_ttl)),
 238         MK_FLOW_ACTION(SET_MAC_SRC, sizeof(struct rte_flow_action_set_mac)),
 239         MK_FLOW_ACTION(SET_MAC_DST, sizeof(struct rte_flow_action_set_mac)),
 240         MK_FLOW_ACTION(INC_TCP_SEQ, sizeof(rte_be32_t)),
 241         MK_FLOW_ACTION(DEC_TCP_SEQ, sizeof(rte_be32_t)),
 242         MK_FLOW_ACTION(INC_TCP_ACK, sizeof(rte_be32_t)),
 243         MK_FLOW_ACTION(DEC_TCP_ACK, sizeof(rte_be32_t)),
 244         MK_FLOW_ACTION(SET_TAG, sizeof(struct rte_flow_action_set_tag)),
 245         MK_FLOW_ACTION(SET_META, sizeof(struct rte_flow_action_set_meta)),
 246         MK_FLOW_ACTION(SET_IPV4_DSCP, sizeof(struct rte_flow_action_set_dscp)),
 247         MK_FLOW_ACTION(SET_IPV6_DSCP, sizeof(struct rte_flow_action_set_dscp)),
 248         MK_FLOW_ACTION(AGE, sizeof(struct rte_flow_action_age)),
 249         MK_FLOW_ACTION(SAMPLE, sizeof(struct rte_flow_action_sample)),
 250         MK_FLOW_ACTION(MODIFY_FIELD,
 251                        sizeof(struct rte_flow_action_modify_field)),
 252         /**
 253          * Indirect action represented as handle of type
 254          * (struct rte_flow_action_handle *) stored in conf field (see
 255          * struct rte_flow_action); no need for additional structure to * store
 256          * indirect action handle.
 257          */
 258         MK_FLOW_ACTION(INDIRECT, 0),
 259         MK_FLOW_ACTION(CONNTRACK, sizeof(struct rte_flow_action_conntrack)),
 260         MK_FLOW_ACTION(PORT_REPRESENTOR, sizeof(struct rte_flow_action_ethdev)),
 261         MK_FLOW_ACTION(REPRESENTED_PORT, sizeof(struct rte_flow_action_ethdev)),
 262 };
 263
 264 int
 265 rte_flow_dynf_metadata_register(void)
 266 {
 267         int offset;
 268         int flag;
 269
 270         static const struct rte_mbuf_dynfield desc_offs = {
 271                 .name = RTE_MBUF_DYNFIELD_METADATA_NAME,
 272                 .size = sizeof(uint32_t),
 273                 .align = __alignof__(uint32_t),
 274         };
 275         static const struct rte_mbuf_dynflag desc_flag = {
 276                 .name = RTE_MBUF_DYNFLAG_METADATA_NAME,
 277         };
 278
 279         offset = rte_mbuf_dynfield_register(&desc_offs);
 280         if (offset < 0)
 281                 goto error;
 282         flag = rte_mbuf_dynflag_register(&desc_flag);
 283         if (flag < 0)
 284                 goto error;
 285         rte_flow_dynf_metadata_offs = offset;
 286         rte_flow_dynf_metadata_mask = RTE_BIT64(flag);
 287         return 0;
 288
 289 error:
 290         rte_flow_dynf_metadata_offs = -1;
 291         rte_flow_dynf_metadata_mask = UINT64_C(0);
 292         return -rte_errno;
 293 }
 294
 295 static inline void
 296 fts_enter(struct rte_eth_dev *dev)
 297 {
 298         if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE))
 299                 pthread_mutex_lock(&dev->data->flow_ops_mutex);
 300 }
 301
 302 static inline void
 303 fts_exit(struct rte_eth_dev *dev)
 304 {
 305         if (!(dev->data->dev_flags & RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE))
 306                 pthread_mutex_unlock(&dev->data->flow_ops_mutex);
 307 }
 308
 309 static int
 310 flow_err(uint16_t port_id, int ret, struct rte_flow_error *error)
 311 {
 312         if (ret == 0)
 313                 return 0;
 314         if (rte_eth_dev_is_removed(port_id))
 315                 return rte_flow_error_set(error, EIO,
 316                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 317                                           NULL, rte_strerror(EIO));
 318         return ret;
 319 }
 320
 321 /* Get generic flow operations structure from a port. */
 322 const struct rte_flow_ops *
 323 rte_flow_ops_get(uint16_t port_id, struct rte_flow_error *error)
 324 {
 325         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 326         const struct rte_flow_ops *ops;
 327         int code;
 328
 329         if (unlikely(!rte_eth_dev_is_valid_port(port_id)))
 330                 code = ENODEV;
 331         else if (unlikely(dev->dev_ops->flow_ops_get == NULL))
 332                 /* flow API not supported with this driver dev_ops */
 333                 code = ENOSYS;
 334         else
 335                 code = dev->dev_ops->flow_ops_get(dev, &ops);
 336         if (code == 0 && ops == NULL)
 337                 /* flow API not supported with this device */
 338                 code = ENOSYS;
 339
 340         if (code != 0) {
 341                 rte_flow_error_set(error, code, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 342                                    NULL, rte_strerror(code));
 343                 return NULL;
 344         }
 345         return ops;
 346 }
 347
 348 /* Check whether a flow rule can be created on a given port. */
 349 int
 350 rte_flow_validate(uint16_t port_id,
 351                   const struct rte_flow_attr *attr,
 352                   const struct rte_flow_item pattern[],
 353                   const struct rte_flow_action actions[],
 354                   struct rte_flow_error *error)
 355 {
 356         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 357         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 358         int ret;
 359
 360         if (unlikely(!ops))
 361                 return -rte_errno;
 362         if (likely(!!ops->validate)) {
 363                 fts_enter(dev);
 364                 ret = ops->validate(dev, attr, pattern, actions, error);
 365                 fts_exit(dev);
 366                 return flow_err(port_id, ret, error);
 367         }
 368         return rte_flow_error_set(error, ENOSYS,
 369                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 370                                   NULL, rte_strerror(ENOSYS));
 371 }
 372
 373 /* Create a flow rule on a given port. */
 374 struct rte_flow *
 375 rte_flow_create(uint16_t port_id,
 376                 const struct rte_flow_attr *attr,
 377                 const struct rte_flow_item pattern[],
 378                 const struct rte_flow_action actions[],
 379                 struct rte_flow_error *error)
 380 {
 381         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 382         struct rte_flow *flow;
 383         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 384
 385         if (unlikely(!ops))
 386                 return NULL;
 387         if (likely(!!ops->create)) {
 388                 fts_enter(dev);
 389                 flow = ops->create(dev, attr, pattern, actions, error);
 390                 fts_exit(dev);
 391                 if (flow == NULL)
 392                         flow_err(port_id, -rte_errno, error);
 393                 return flow;
 394         }
 395         rte_flow_error_set(error, ENOSYS, RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 396                            NULL, rte_strerror(ENOSYS));
 397         return NULL;
 398 }
 399
 400 /* Destroy a flow rule on a given port. */
 401 int
 402 rte_flow_destroy(uint16_t port_id,
 403                  struct rte_flow *flow,
 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 (unlikely(!ops))
 411                 return -rte_errno;
 412         if (likely(!!ops->destroy)) {
 413                 fts_enter(dev);
 414                 ret = ops->destroy(dev, flow, 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 /* Destroy all flow rules associated with a port. */
 424 int
 425 rte_flow_flush(uint16_t port_id,
 426                struct rte_flow_error *error)
 427 {
 428         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 429         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 430         int ret;
 431
 432         if (unlikely(!ops))
 433                 return -rte_errno;
 434         if (likely(!!ops->flush)) {
 435                 fts_enter(dev);
 436                 ret = ops->flush(dev, error);
 437                 fts_exit(dev);
 438                 return flow_err(port_id, ret, error);
 439         }
 440         return rte_flow_error_set(error, ENOSYS,
 441                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 442                                   NULL, rte_strerror(ENOSYS));
 443 }
 444
 445 /* Query an existing flow rule. */
 446 int
 447 rte_flow_query(uint16_t port_id,
 448                struct rte_flow *flow,
 449                const struct rte_flow_action *action,
 450                void *data,
 451                struct rte_flow_error *error)
 452 {
 453         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 454         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 455         int ret;
 456
 457         if (!ops)
 458                 return -rte_errno;
 459         if (likely(!!ops->query)) {
 460                 fts_enter(dev);
 461                 ret = ops->query(dev, flow, action, data, error);
 462                 fts_exit(dev);
 463                 return flow_err(port_id, ret, error);
 464         }
 465         return rte_flow_error_set(error, ENOSYS,
 466                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 467                                   NULL, rte_strerror(ENOSYS));
 468 }
 469
 470 /* Restrict ingress traffic to the defined flow rules. */
 471 int
 472 rte_flow_isolate(uint16_t port_id,
 473                  int set,
 474                  struct rte_flow_error *error)
 475 {
 476         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 477         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
 478         int ret;
 479
 480         if (!ops)
 481                 return -rte_errno;
 482         if (likely(!!ops->isolate)) {
 483                 fts_enter(dev);
 484                 ret = ops->isolate(dev, set, error);
 485                 fts_exit(dev);
 486                 return flow_err(port_id, ret, error);
 487         }
 488         return rte_flow_error_set(error, ENOSYS,
 489                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
 490                                   NULL, rte_strerror(ENOSYS));
 491 }
 492
 493 /* Initialize flow error structure. */
 494 int
 495 rte_flow_error_set(struct rte_flow_error *error,
 496                    int code,
 497                    enum rte_flow_error_type type,
 498                    const void *cause,
 499                    const char *message)
 500 {
 501         if (error) {
 502                 *error = (struct rte_flow_error){
 503                         .type = type,
 504                         .cause = cause,
 505                         .message = message,
 506                 };
 507         }
 508         rte_errno = code;
 509         return -code;
 510 }
 511
 512 /** Pattern item specification types. */
 513 enum rte_flow_conv_item_spec_type {
 514         RTE_FLOW_CONV_ITEM_SPEC,
 515         RTE_FLOW_CONV_ITEM_LAST,
 516         RTE_FLOW_CONV_ITEM_MASK,
 517 };
 518
 519 /**
 520  * Copy pattern item specification.
 521  *
 522  * @param[out] buf
 523  *   Output buffer. Can be NULL if @p size is zero.
 524  * @param size
 525  *   Size of @p buf in bytes.
 526  * @param[in] item
 527  *   Pattern item to copy specification from.
 528  * @param type
 529  *   Specification selector for either @p spec, @p last or @p mask.
 530  *
 531  * @return
 532  *   Number of bytes needed to store pattern item specification regardless
 533  *   of @p size. @p buf contents are truncated to @p size if not large
 534  *   enough.
 535  */
 536 static size_t
 537 rte_flow_conv_item_spec(void *buf, const size_t size,
 538                         const struct rte_flow_item *item,
 539                         enum rte_flow_conv_item_spec_type type)
 540 {
 541         size_t off;
 542         const void *data =
 543                 type == RTE_FLOW_CONV_ITEM_SPEC ? item->spec :
 544                 type == RTE_FLOW_CONV_ITEM_LAST ? item->last :
 545                 type == RTE_FLOW_CONV_ITEM_MASK ? item->mask :
 546                 NULL;
 547
 548         switch (item->type) {
 549                 union {
 550                         const struct rte_flow_item_raw *raw;
 551                 } spec;
 552                 union {
 553                         const struct rte_flow_item_raw *raw;
 554                 } last;
 555                 union {
 556                         const struct rte_flow_item_raw *raw;
 557                 } mask;
 558                 union {
 559                         const struct rte_flow_item_raw *raw;
 560                 } src;
 561                 union {
 562                         struct rte_flow_item_raw *raw;
 563                 } dst;
 564                 size_t tmp;
 565
 566         case RTE_FLOW_ITEM_TYPE_RAW:
 567                 spec.raw = item->spec;
 568                 last.raw = item->last ? item->last : item->spec;
 569                 mask.raw = item->mask ? item->mask : &rte_flow_item_raw_mask;
 570                 src.raw = data;
 571                 dst.raw = buf;
 572                 rte_memcpy(dst.raw,
 573                            (&(struct rte_flow_item_raw){
 574                                 .relative = src.raw->relative,
 575                                 .search = src.raw->search,
 576                                 .reserved = src.raw->reserved,
 577                                 .offset = src.raw->offset,
 578                                 .limit = src.raw->limit,
 579                                 .length = src.raw->length,
 580                            }),
 581                            size > sizeof(*dst.raw) ? sizeof(*dst.raw) : size);
 582                 off = sizeof(*dst.raw);
 583                 if (type == RTE_FLOW_CONV_ITEM_SPEC ||
 584                     (type == RTE_FLOW_CONV_ITEM_MASK &&
 585                      ((spec.raw->length & mask.raw->length) >=
 586                       (last.raw->length & mask.raw->length))))
 587                         tmp = spec.raw->length & mask.raw->length;
 588                 else
 589                         tmp = last.raw->length & mask.raw->length;
 590                 if (tmp) {
 591                         off = RTE_ALIGN_CEIL(off, sizeof(*dst.raw->pattern));
 592                         if (size >= off + tmp)
 593                                 dst.raw->pattern = rte_memcpy
 594                                         ((void *)((uintptr_t)dst.raw + off),
 595                                          src.raw->pattern, tmp);
 596                         off += tmp;
 597                 }
 598                 break;
 599         default:
 600                 off = rte_flow_conv_copy(buf, data, size,
 601                                          rte_flow_desc_item, item->type);
 602                 break;
 603         }
 604         return off;
 605 }
 606
 607 /**
 608  * Copy action configuration.
 609  *
 610  * @param[out] buf
 611  *   Output buffer. Can be NULL if @p size is zero.
 612  * @param size
 613  *   Size of @p buf in bytes.
 614  * @param[in] action
 615  *   Action to copy configuration from.
 616  *
 617  * @return
 618  *   Number of bytes needed to store pattern item specification regardless
 619  *   of @p size. @p buf contents are truncated to @p size if not large
 620  *   enough.
 621  */
 622 static size_t
 623 rte_flow_conv_action_conf(void *buf, const size_t size,
 624                           const struct rte_flow_action *action)
 625 {
 626         size_t off;
 627
 628         switch (action->type) {
 629                 union {
 630                         const struct rte_flow_action_rss *rss;
 631                         const struct rte_flow_action_vxlan_encap *vxlan_encap;
 632                         const struct rte_flow_action_nvgre_encap *nvgre_encap;
 633                 } src;
 634                 union {
 635                         struct rte_flow_action_rss *rss;
 636                         struct rte_flow_action_vxlan_encap *vxlan_encap;
 637                         struct rte_flow_action_nvgre_encap *nvgre_encap;
 638                 } dst;
 639                 size_t tmp;
 640                 int ret;
 641
 642         case RTE_FLOW_ACTION_TYPE_RSS:
 643                 src.rss = action->conf;
 644                 dst.rss = buf;
 645                 rte_memcpy(dst.rss,
 646                            (&(struct rte_flow_action_rss){
 647                                 .func = src.rss->func,
 648                                 .level = src.rss->level,
 649                                 .types = src.rss->types,
 650                                 .key_len = src.rss->key_len,
 651                                 .queue_num = src.rss->queue_num,
 652                            }),
 653                            size > sizeof(*dst.rss) ? sizeof(*dst.rss) : size);
 654                 off = sizeof(*dst.rss);
 655                 if (src.rss->key_len && src.rss->key) {
 656                         off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->key));
 657                         tmp = sizeof(*src.rss->key) * src.rss->key_len;
 658                         if (size >= off + tmp)
 659                                 dst.rss->key = rte_memcpy
 660                                         ((void *)((uintptr_t)dst.rss + off),
 661                                          src.rss->key, tmp);
 662                         off += tmp;
 663                 }
 664                 if (src.rss->queue_num) {
 665                         off = RTE_ALIGN_CEIL(off, sizeof(*dst.rss->queue));
 666                         tmp = sizeof(*src.rss->queue) * src.rss->queue_num;
 667                         if (size >= off + tmp)
 668                                 dst.rss->queue = rte_memcpy
 669                                         ((void *)((uintptr_t)dst.rss + off),
 670                                          src.rss->queue, tmp);
 671                         off += tmp;
 672                 }
 673                 break;
 674         case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
 675         case RTE_FLOW_ACTION_TYPE_NVGRE_ENCAP:
 676                 src.vxlan_encap = action->conf;
 677                 dst.vxlan_encap = buf;
 678                 RTE_BUILD_BUG_ON(sizeof(*src.vxlan_encap) !=
 679                                  sizeof(*src.nvgre_encap) ||
 680                                  offsetof(struct rte_flow_action_vxlan_encap,
 681                                           definition) !=
 682                                  offsetof(struct rte_flow_action_nvgre_encap,
 683                                           definition));
 684                 off = sizeof(*dst.vxlan_encap);
 685                 if (src.vxlan_encap->definition) {
 686                         off = RTE_ALIGN_CEIL
 687                                 (off, sizeof(*dst.vxlan_encap->definition));
 688                         ret = rte_flow_conv
 689                                 (RTE_FLOW_CONV_OP_PATTERN,
 690                                  (void *)((uintptr_t)dst.vxlan_encap + off),
 691                                  size > off ? size - off : 0,
 692                                  src.vxlan_encap->definition, NULL);
 693                         if (ret < 0)
 694                                 return 0;
 695                         if (size >= off + ret)
 696                                 dst.vxlan_encap->definition =
 697                                         (void *)((uintptr_t)dst.vxlan_encap +
 698                                                  off);
 699                         off += ret;
 700                 }
 701                 break;
 702         default:
 703                 off = rte_flow_conv_copy(buf, action->conf, size,
 704                                          rte_flow_desc_action, action->type);
 705                 break;
 706         }
 707         return off;
 708 }
 709
 710 /**
 711  * Copy a list of pattern items.
 712  *
 713  * @param[out] dst
 714  *   Destination buffer. Can be NULL if @p size is zero.
 715  * @param size
 716  *   Size of @p dst in bytes.
 717  * @param[in] src
 718  *   Source pattern items.
 719  * @param num
 720  *   Maximum number of pattern items to process from @p src or 0 to process
 721  *   the entire list. In both cases, processing stops after
 722  *   RTE_FLOW_ITEM_TYPE_END is encountered.
 723  * @param[out] error
 724  *   Perform verbose error reporting if not NULL.
 725  *
 726  * @return
 727  *   A positive value representing the number of bytes needed to store
 728  *   pattern items regardless of @p size on success (@p buf contents are
 729  *   truncated to @p size if not large enough), a negative errno value
 730  *   otherwise and rte_errno is set.
 731  */
 732 static int
 733 rte_flow_conv_pattern(struct rte_flow_item *dst,
 734                       const size_t size,
 735                       const struct rte_flow_item *src,
 736                       unsigned int num,
 737                       struct rte_flow_error *error)
 738 {
 739         uintptr_t data = (uintptr_t)dst;
 740         size_t off;
 741         size_t ret;
 742         unsigned int i;
 743
 744         for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) {
 745                 /**
 746                  * allow PMD private flow item
 747                  */
 748                 if (((int)src->type >= 0) &&
 749                         ((size_t)src->type >= RTE_DIM(rte_flow_desc_item) ||
 750                     !rte_flow_desc_item[src->type].name))
 751                         return rte_flow_error_set
 752                                 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ITEM, src,
 753                                  "cannot convert unknown item type");
 754                 if (size >= off + sizeof(*dst))
 755                         *dst = (struct rte_flow_item){
 756                                 .type = src->type,
 757                         };
 758                 off += sizeof(*dst);
 759                 if (!src->type)
 760                         num = i + 1;
 761         }
 762         num = i;
 763         src -= num;
 764         dst -= num;
 765         do {
 766                 if (src->spec) {
 767                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 768                         ret = rte_flow_conv_item_spec
 769                                 ((void *)(data + off),
 770                                  size > off ? size - off : 0, src,
 771                                  RTE_FLOW_CONV_ITEM_SPEC);
 772                         if (size && size >= off + ret)
 773                                 dst->spec = (void *)(data + off);
 774                         off += ret;
 775
 776                 }
 777                 if (src->last) {
 778                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 779                         ret = rte_flow_conv_item_spec
 780                                 ((void *)(data + off),
 781                                  size > off ? size - off : 0, src,
 782                                  RTE_FLOW_CONV_ITEM_LAST);
 783                         if (size && size >= off + ret)
 784                                 dst->last = (void *)(data + off);
 785                         off += ret;
 786                 }
 787                 if (src->mask) {
 788                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 789                         ret = rte_flow_conv_item_spec
 790                                 ((void *)(data + off),
 791                                  size > off ? size - off : 0, src,
 792                                  RTE_FLOW_CONV_ITEM_MASK);
 793                         if (size && size >= off + ret)
 794                                 dst->mask = (void *)(data + off);
 795                         off += ret;
 796                 }
 797                 ++src;
 798                 ++dst;
 799         } while (--num);
 800         return off;
 801 }
 802
 803 /**
 804  * Copy a list of actions.
 805  *
 806  * @param[out] dst
 807  *   Destination buffer. Can be NULL if @p size is zero.
 808  * @param size
 809  *   Size of @p dst in bytes.
 810  * @param[in] src
 811  *   Source actions.
 812  * @param num
 813  *   Maximum number of actions to process from @p src or 0 to process the
 814  *   entire list. In both cases, processing stops after
 815  *   RTE_FLOW_ACTION_TYPE_END is encountered.
 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
 821  *   actions regardless of @p size on success (@p buf contents are truncated
 822  *   to @p size if not large enough), a negative errno value otherwise and
 823  *   rte_errno is set.
 824  */
 825 static int
 826 rte_flow_conv_actions(struct rte_flow_action *dst,
 827                       const size_t size,
 828                       const struct rte_flow_action *src,
 829                       unsigned int num,
 830                       struct rte_flow_error *error)
 831 {
 832         uintptr_t data = (uintptr_t)dst;
 833         size_t off;
 834         size_t ret;
 835         unsigned int i;
 836
 837         for (i = 0, off = 0; !num || i != num; ++i, ++src, ++dst) {
 838                 /**
 839                  * allow PMD private flow action
 840                  */
 841                 if (((int)src->type >= 0) &&
 842                     ((size_t)src->type >= RTE_DIM(rte_flow_desc_action) ||
 843                     !rte_flow_desc_action[src->type].name))
 844                         return rte_flow_error_set
 845                                 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
 846                                  src, "cannot convert unknown action type");
 847                 if (size >= off + sizeof(*dst))
 848                         *dst = (struct rte_flow_action){
 849                                 .type = src->type,
 850                         };
 851                 off += sizeof(*dst);
 852                 if (!src->type)
 853                         num = i + 1;
 854         }
 855         num = i;
 856         src -= num;
 857         dst -= num;
 858         do {
 859                 if (src->conf) {
 860                         off = RTE_ALIGN_CEIL(off, sizeof(double));
 861                         ret = rte_flow_conv_action_conf
 862                                 ((void *)(data + off),
 863                                  size > off ? size - off : 0, src);
 864                         if (size && size >= off + ret)
 865                                 dst->conf = (void *)(data + off);
 866                         off += ret;
 867                 }
 868                 ++src;
 869                 ++dst;
 870         } while (--num);
 871         return off;
 872 }
 873
 874 /**
 875  * Copy flow rule components.
 876  *
 877  * This comprises the flow rule descriptor itself, attributes, pattern and
 878  * actions list. NULL components in @p src are skipped.
 879  *
 880  * @param[out] dst
 881  *   Destination buffer. Can be NULL if @p size is zero.
 882  * @param size
 883  *   Size of @p dst in bytes.
 884  * @param[in] src
 885  *   Source flow rule descriptor.
 886  * @param[out] error
 887  *   Perform verbose error reporting if not NULL.
 888  *
 889  * @return
 890  *   A positive value representing the number of bytes needed to store all
 891  *   components including the descriptor regardless of @p size on success
 892  *   (@p buf contents are truncated to @p size if not large enough), a
 893  *   negative errno value otherwise and rte_errno is set.
 894  */
 895 static int
 896 rte_flow_conv_rule(struct rte_flow_conv_rule *dst,
 897                    const size_t size,
 898                    const struct rte_flow_conv_rule *src,
 899                    struct rte_flow_error *error)
 900 {
 901         size_t off;
 902         int ret;
 903
 904         rte_memcpy(dst,
 905                    (&(struct rte_flow_conv_rule){
 906                         .attr = NULL,
 907                         .pattern = NULL,
 908                         .actions = NULL,
 909                    }),
 910                    size > sizeof(*dst) ? sizeof(*dst) : size);
 911         off = sizeof(*dst);
 912         if (src->attr_ro) {
 913                 off = RTE_ALIGN_CEIL(off, sizeof(double));
 914                 if (size && size >= off + sizeof(*dst->attr))
 915                         dst->attr = rte_memcpy
 916                                 ((void *)((uintptr_t)dst + off),
 917                                  src->attr_ro, sizeof(*dst->attr));
 918                 off += sizeof(*dst->attr);
 919         }
 920         if (src->pattern_ro) {
 921                 off = RTE_ALIGN_CEIL(off, sizeof(double));
 922                 ret = rte_flow_conv_pattern((void *)((uintptr_t)dst + off),
 923                                             size > off ? size - off : 0,
 924                                             src->pattern_ro, 0, error);
 925                 if (ret < 0)
 926                         return ret;
 927                 if (size && size >= off + (size_t)ret)
 928                         dst->pattern = (void *)((uintptr_t)dst + off);
 929                 off += ret;
 930         }
 931         if (src->actions_ro) {
 932                 off = RTE_ALIGN_CEIL(off, sizeof(double));
 933                 ret = rte_flow_conv_actions((void *)((uintptr_t)dst + off),
 934                                             size > off ? size - off : 0,
 935                                             src->actions_ro, 0, error);
 936                 if (ret < 0)
 937                         return ret;
 938                 if (size >= off + (size_t)ret)
 939                         dst->actions = (void *)((uintptr_t)dst + off);
 940                 off += ret;
 941         }
 942         return off;
 943 }
 944
 945 /**
 946  * Retrieve the name of a pattern item/action type.
 947  *
 948  * @param is_action
 949  *   Nonzero when @p src represents an action type instead of a pattern item
 950  *   type.
 951  * @param is_ptr
 952  *   Nonzero to write string address instead of contents into @p dst.
 953  * @param[out] dst
 954  *   Destination buffer. Can be NULL if @p size is zero.
 955  * @param size
 956  *   Size of @p dst in bytes.
 957  * @param[in] src
 958  *   Depending on @p is_action, source pattern item or action type cast as a
 959  *   pointer.
 960  * @param[out] error
 961  *   Perform verbose error reporting if not NULL.
 962  *
 963  * @return
 964  *   A positive value representing the number of bytes needed to store the
 965  *   name or its address regardless of @p size on success (@p buf contents
 966  *   are truncated to @p size if not large enough), a negative errno value
 967  *   otherwise and rte_errno is set.
 968  */
 969 static int
 970 rte_flow_conv_name(int is_action,
 971                    int is_ptr,
 972                    char *dst,
 973                    const size_t size,
 974                    const void *src,
 975                    struct rte_flow_error *error)
 976 {
 977         struct desc_info {
 978                 const struct rte_flow_desc_data *data;
 979                 size_t num;
 980         };
 981         static const struct desc_info info_rep[2] = {
 982                 { rte_flow_desc_item, RTE_DIM(rte_flow_desc_item), },
 983                 { rte_flow_desc_action, RTE_DIM(rte_flow_desc_action), },
 984         };
 985         const struct desc_info *const info = &info_rep[!!is_action];
 986         unsigned int type = (uintptr_t)src;
 987
 988         if (type >= info->num)
 989                 return rte_flow_error_set
 990                         (error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
 991                          "unknown object type to retrieve the name of");
 992         if (!is_ptr)
 993                 return strlcpy(dst, info->data[type].name, size);
 994         if (size >= sizeof(const char **))
 995                 *((const char **)dst) = info->data[type].name;
 996         return sizeof(const char **);
 997 }
 998
 999 /** Helper function to convert flow API objects. */
1000 int
1001 rte_flow_conv(enum rte_flow_conv_op op,
1002               void *dst,
1003               size_t size,
1004               const void *src,
1005               struct rte_flow_error *error)
1006 {
1007         switch (op) {
1008                 const struct rte_flow_attr *attr;
1009
1010         case RTE_FLOW_CONV_OP_NONE:
1011                 return 0;
1012         case RTE_FLOW_CONV_OP_ATTR:
1013                 attr = src;
1014                 if (size > sizeof(*attr))
1015                         size = sizeof(*attr);
1016                 rte_memcpy(dst, attr, size);
1017                 return sizeof(*attr);
1018         case RTE_FLOW_CONV_OP_ITEM:
1019                 return rte_flow_conv_pattern(dst, size, src, 1, error);
1020         case RTE_FLOW_CONV_OP_ACTION:
1021                 return rte_flow_conv_actions(dst, size, src, 1, error);
1022         case RTE_FLOW_CONV_OP_PATTERN:
1023                 return rte_flow_conv_pattern(dst, size, src, 0, error);
1024         case RTE_FLOW_CONV_OP_ACTIONS:
1025                 return rte_flow_conv_actions(dst, size, src, 0, error);
1026         case RTE_FLOW_CONV_OP_RULE:
1027                 return rte_flow_conv_rule(dst, size, src, error);
1028         case RTE_FLOW_CONV_OP_ITEM_NAME:
1029                 return rte_flow_conv_name(0, 0, dst, size, src, error);
1030         case RTE_FLOW_CONV_OP_ACTION_NAME:
1031                 return rte_flow_conv_name(1, 0, dst, size, src, error);
1032         case RTE_FLOW_CONV_OP_ITEM_NAME_PTR:
1033                 return rte_flow_conv_name(0, 1, dst, size, src, error);
1034         case RTE_FLOW_CONV_OP_ACTION_NAME_PTR:
1035                 return rte_flow_conv_name(1, 1, dst, size, src, error);
1036         }
1037         return rte_flow_error_set
1038                 (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1039                  "unknown object conversion operation");
1040 }
1041
1042 /** Store a full rte_flow description. */
1043 size_t
1044 rte_flow_copy(struct rte_flow_desc *desc, size_t len,
1045               const struct rte_flow_attr *attr,
1046               const struct rte_flow_item *items,
1047               const struct rte_flow_action *actions)
1048 {
1049         /*
1050          * Overlap struct rte_flow_conv with struct rte_flow_desc in order
1051          * to convert the former to the latter without wasting space.
1052          */
1053         struct rte_flow_conv_rule *dst =
1054                 len ?
1055                 (void *)((uintptr_t)desc +
1056                          (offsetof(struct rte_flow_desc, actions) -
1057                           offsetof(struct rte_flow_conv_rule, actions))) :
1058                 NULL;
1059         size_t dst_size =
1060                 len > sizeof(*desc) - sizeof(*dst) ?
1061                 len - (sizeof(*desc) - sizeof(*dst)) :
1062                 0;
1063         struct rte_flow_conv_rule src = {
1064                 .attr_ro = NULL,
1065                 .pattern_ro = items,
1066                 .actions_ro = actions,
1067         };
1068         int ret;
1069
1070         RTE_BUILD_BUG_ON(sizeof(struct rte_flow_desc) <
1071                          sizeof(struct rte_flow_conv_rule));
1072         if (dst_size &&
1073             (&dst->pattern != &desc->items ||
1074              &dst->actions != &desc->actions ||
1075              (uintptr_t)(dst + 1) != (uintptr_t)(desc + 1))) {
1076                 rte_errno = EINVAL;
1077                 return 0;
1078         }
1079         ret = rte_flow_conv(RTE_FLOW_CONV_OP_RULE, dst, dst_size, &src, NULL);
1080         if (ret < 0)
1081                 return 0;
1082         ret += sizeof(*desc) - sizeof(*dst);
1083         rte_memcpy(desc,
1084                    (&(struct rte_flow_desc){
1085                         .size = ret,
1086                         .attr = *attr,
1087                         .items = dst_size ? dst->pattern : NULL,
1088                         .actions = dst_size ? dst->actions : NULL,
1089                    }),
1090                    len > sizeof(*desc) ? sizeof(*desc) : len);
1091         return ret;
1092 }
1093
1094 int
1095 rte_flow_dev_dump(uint16_t port_id, struct rte_flow *flow,
1096                         FILE *file, struct rte_flow_error *error)
1097 {
1098         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1099         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1100         int ret;
1101
1102         if (unlikely(!ops))
1103                 return -rte_errno;
1104         if (likely(!!ops->dev_dump)) {
1105                 fts_enter(dev);
1106                 ret = ops->dev_dump(dev, flow, file, error);
1107                 fts_exit(dev);
1108                 return flow_err(port_id, ret, error);
1109         }
1110         return rte_flow_error_set(error, ENOSYS,
1111                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1112                                   NULL, rte_strerror(ENOSYS));
1113 }
1114
1115 int
1116 rte_flow_get_aged_flows(uint16_t port_id, void **contexts,
1117                     uint32_t nb_contexts, struct rte_flow_error *error)
1118 {
1119         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1120         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1121         int ret;
1122
1123         if (unlikely(!ops))
1124                 return -rte_errno;
1125         if (likely(!!ops->get_aged_flows)) {
1126                 fts_enter(dev);
1127                 ret = ops->get_aged_flows(dev, contexts, nb_contexts, error);
1128                 fts_exit(dev);
1129                 return flow_err(port_id, ret, error);
1130         }
1131         return rte_flow_error_set(error, ENOTSUP,
1132                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1133                                   NULL, rte_strerror(ENOTSUP));
1134 }
1135
1136 struct rte_flow_action_handle *
1137 rte_flow_action_handle_create(uint16_t port_id,
1138                               const struct rte_flow_indir_action_conf *conf,
1139                               const struct rte_flow_action *action,
1140                               struct rte_flow_error *error)
1141 {
1142         struct rte_flow_action_handle *handle;
1143         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1144
1145         if (unlikely(!ops))
1146                 return NULL;
1147         if (unlikely(!ops->action_handle_create)) {
1148                 rte_flow_error_set(error, ENOSYS,
1149                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
1150                                    rte_strerror(ENOSYS));
1151                 return NULL;
1152         }
1153         handle = ops->action_handle_create(&rte_eth_devices[port_id],
1154                                            conf, action, error);
1155         if (handle == NULL)
1156                 flow_err(port_id, -rte_errno, error);
1157         return handle;
1158 }
1159
1160 int
1161 rte_flow_action_handle_destroy(uint16_t port_id,
1162                                struct rte_flow_action_handle *handle,
1163                                struct rte_flow_error *error)
1164 {
1165         int ret;
1166         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1167
1168         if (unlikely(!ops))
1169                 return -rte_errno;
1170         if (unlikely(!ops->action_handle_destroy))
1171                 return rte_flow_error_set(error, ENOSYS,
1172                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1173                                           NULL, rte_strerror(ENOSYS));
1174         ret = ops->action_handle_destroy(&rte_eth_devices[port_id],
1175                                          handle, error);
1176         return flow_err(port_id, ret, error);
1177 }
1178
1179 int
1180 rte_flow_action_handle_update(uint16_t port_id,
1181                               struct rte_flow_action_handle *handle,
1182                               const void *update,
1183                               struct rte_flow_error *error)
1184 {
1185         int ret;
1186         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1187
1188         if (unlikely(!ops))
1189                 return -rte_errno;
1190         if (unlikely(!ops->action_handle_update))
1191                 return rte_flow_error_set(error, ENOSYS,
1192                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1193                                           NULL, rte_strerror(ENOSYS));
1194         ret = ops->action_handle_update(&rte_eth_devices[port_id], handle,
1195                                         update, error);
1196         return flow_err(port_id, ret, error);
1197 }
1198
1199 int
1200 rte_flow_action_handle_query(uint16_t port_id,
1201                              const struct rte_flow_action_handle *handle,
1202                              void *data,
1203                              struct rte_flow_error *error)
1204 {
1205         int ret;
1206         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1207
1208         if (unlikely(!ops))
1209                 return -rte_errno;
1210         if (unlikely(!ops->action_handle_query))
1211                 return rte_flow_error_set(error, ENOSYS,
1212                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1213                                           NULL, rte_strerror(ENOSYS));
1214         ret = ops->action_handle_query(&rte_eth_devices[port_id], handle,
1215                                        data, error);
1216         return flow_err(port_id, ret, error);
1217 }
1218
1219 int
1220 rte_flow_tunnel_decap_set(uint16_t port_id,
1221                           struct rte_flow_tunnel *tunnel,
1222                           struct rte_flow_action **actions,
1223                           uint32_t *num_of_actions,
1224                           struct rte_flow_error *error)
1225 {
1226         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1227         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1228
1229         if (unlikely(!ops))
1230                 return -rte_errno;
1231         if (likely(!!ops->tunnel_decap_set)) {
1232                 return flow_err(port_id,
1233                                 ops->tunnel_decap_set(dev, tunnel, actions,
1234                                                       num_of_actions, error),
1235                                 error);
1236         }
1237         return rte_flow_error_set(error, ENOTSUP,
1238                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1239                                   NULL, rte_strerror(ENOTSUP));
1240 }
1241
1242 int
1243 rte_flow_tunnel_match(uint16_t port_id,
1244                       struct rte_flow_tunnel *tunnel,
1245                       struct rte_flow_item **items,
1246                       uint32_t *num_of_items,
1247                       struct rte_flow_error *error)
1248 {
1249         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1250         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1251
1252         if (unlikely(!ops))
1253                 return -rte_errno;
1254         if (likely(!!ops->tunnel_match)) {
1255                 return flow_err(port_id,
1256                                 ops->tunnel_match(dev, tunnel, items,
1257                                                   num_of_items, error),
1258                                 error);
1259         }
1260         return rte_flow_error_set(error, ENOTSUP,
1261                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1262                                   NULL, rte_strerror(ENOTSUP));
1263 }
1264
1265 int
1266 rte_flow_get_restore_info(uint16_t port_id,
1267                           struct rte_mbuf *m,
1268                           struct rte_flow_restore_info *restore_info,
1269                           struct rte_flow_error *error)
1270 {
1271         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1272         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1273
1274         if (unlikely(!ops))
1275                 return -rte_errno;
1276         if (likely(!!ops->get_restore_info)) {
1277                 return flow_err(port_id,
1278                                 ops->get_restore_info(dev, m, restore_info,
1279                                                       error),
1280                                 error);
1281         }
1282         return rte_flow_error_set(error, ENOTSUP,
1283                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1284                                   NULL, rte_strerror(ENOTSUP));
1285 }
1286
1287 int
1288 rte_flow_tunnel_action_decap_release(uint16_t port_id,
1289                                      struct rte_flow_action *actions,
1290                                      uint32_t num_of_actions,
1291                                      struct rte_flow_error *error)
1292 {
1293         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1294         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1295
1296         if (unlikely(!ops))
1297                 return -rte_errno;
1298         if (likely(!!ops->tunnel_action_decap_release)) {
1299                 return flow_err(port_id,
1300                                 ops->tunnel_action_decap_release(dev, actions,
1301                                                                  num_of_actions,
1302                                                                  error),
1303                                 error);
1304         }
1305         return rte_flow_error_set(error, ENOTSUP,
1306                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1307                                   NULL, rte_strerror(ENOTSUP));
1308 }
1309
1310 int
1311 rte_flow_tunnel_item_release(uint16_t port_id,
1312                              struct rte_flow_item *items,
1313                              uint32_t num_of_items,
1314                              struct rte_flow_error *error)
1315 {
1316         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1317         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1318
1319         if (unlikely(!ops))
1320                 return -rte_errno;
1321         if (likely(!!ops->tunnel_item_release)) {
1322                 return flow_err(port_id,
1323                                 ops->tunnel_item_release(dev, items,
1324                                                          num_of_items, error),
1325                                 error);
1326         }
1327         return rte_flow_error_set(error, ENOTSUP,
1328                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1329                                   NULL, rte_strerror(ENOTSUP));
1330 }
1331
1332 int
1333 rte_flow_pick_transfer_proxy(uint16_t port_id, uint16_t *proxy_port_id,
1334                              struct rte_flow_error *error)
1335 {
1336         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1337         struct rte_eth_dev *dev;
1338
1339         if (unlikely(ops == NULL))
1340                 return -rte_errno;
1341
1342         if (ops->pick_transfer_proxy == NULL) {
1343                 *proxy_port_id = port_id;
1344                 return 0;
1345         }
1346
1347         dev = &rte_eth_devices[port_id];
1348
1349         return flow_err(port_id,
1350                         ops->pick_transfer_proxy(dev, proxy_port_id, error),
1351                         error);
1352 }
1353
1354 struct rte_flow_item_flex_handle *
1355 rte_flow_flex_item_create(uint16_t port_id,
1356                           const struct rte_flow_item_flex_conf *conf,
1357                           struct rte_flow_error *error)
1358 {
1359         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1360         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1361         struct rte_flow_item_flex_handle *handle;
1362
1363         if (unlikely(!ops))
1364                 return NULL;
1365         if (unlikely(!ops->flex_item_create)) {
1366                 rte_flow_error_set(error, ENOTSUP,
1367                                    RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1368                                    NULL, rte_strerror(ENOTSUP));
1369                 return NULL;
1370         }
1371         handle = ops->flex_item_create(dev, conf, error);
1372         if (handle == NULL)
1373                 flow_err(port_id, -rte_errno, error);
1374         return handle;
1375 }
1376
1377 int
1378 rte_flow_flex_item_release(uint16_t port_id,
1379                            const struct rte_flow_item_flex_handle *handle,
1380                            struct rte_flow_error *error)
1381 {
1382         int ret;
1383         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1384         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1385
1386         if (unlikely(!ops || !ops->flex_item_release))
1387                 return rte_flow_error_set(error, ENOTSUP,
1388                                           RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1389                                           NULL, rte_strerror(ENOTSUP));
1390         ret = ops->flex_item_release(dev, handle, error);
1391         return flow_err(port_id, ret, error);
1392 }
1393
1394 int
1395 rte_flow_info_get(uint16_t port_id,
1396                   struct rte_flow_port_info *port_info,
1397                   struct rte_flow_queue_info *queue_info,
1398                   struct rte_flow_error *error)
1399 {
1400         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1401         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1402
1403         if (unlikely(!ops))
1404                 return -rte_errno;
1405         if (dev->data->dev_configured == 0) {
1406                 RTE_FLOW_LOG(INFO,
1407                         "Device with port_id=%"PRIu16" is not configured.\n",
1408                         port_id);
1409                 return -EINVAL;
1410         }
1411         if (port_info == NULL) {
1412                 RTE_FLOW_LOG(ERR, "Port %"PRIu16" info is NULL.\n", port_id);
1413                 return -EINVAL;
1414         }
1415         if (likely(!!ops->info_get)) {
1416                 return flow_err(port_id,
1417                                 ops->info_get(dev, port_info, queue_info, error),
1418                                 error);
1419         }
1420         return rte_flow_error_set(error, ENOTSUP,
1421                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1422                                   NULL, rte_strerror(ENOTSUP));
1423 }
1424
1425 int
1426 rte_flow_configure(uint16_t port_id,
1427                    const struct rte_flow_port_attr *port_attr,
1428                    uint16_t nb_queue,
1429                    const struct rte_flow_queue_attr *queue_attr[],
1430                    struct rte_flow_error *error)
1431 {
1432         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1433         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1434         int ret;
1435
1436         if (unlikely(!ops))
1437                 return -rte_errno;
1438         if (dev->data->dev_configured == 0) {
1439                 RTE_FLOW_LOG(INFO,
1440                         "Device with port_id=%"PRIu16" is not configured.\n",
1441                         port_id);
1442                 return -EINVAL;
1443         }
1444         if (dev->data->dev_started != 0) {
1445                 RTE_FLOW_LOG(INFO,
1446                         "Device with port_id=%"PRIu16" already started.\n",
1447                         port_id);
1448                 return -EINVAL;
1449         }
1450         if (port_attr == NULL) {
1451                 RTE_FLOW_LOG(ERR, "Port %"PRIu16" info is NULL.\n", port_id);
1452                 return -EINVAL;
1453         }
1454         if (queue_attr == NULL) {
1455                 RTE_FLOW_LOG(ERR, "Port %"PRIu16" queue info is NULL.\n", port_id);
1456                 return -EINVAL;
1457         }
1458         if (likely(!!ops->configure)) {
1459                 ret = ops->configure(dev, port_attr, nb_queue, queue_attr, error);
1460                 if (ret == 0)
1461                         dev->data->flow_configured = 1;
1462                 return flow_err(port_id, ret, error);
1463         }
1464         return rte_flow_error_set(error, ENOTSUP,
1465                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1466                                   NULL, rte_strerror(ENOTSUP));
1467 }
1468
1469 struct rte_flow_pattern_template *
1470 rte_flow_pattern_template_create(uint16_t port_id,
1471                 const struct rte_flow_pattern_template_attr *template_attr,
1472                 const struct rte_flow_item pattern[],
1473                 struct rte_flow_error *error)
1474 {
1475         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1476         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1477         struct rte_flow_pattern_template *template;
1478
1479         if (unlikely(!ops))
1480                 return NULL;
1481         if (dev->data->flow_configured == 0) {
1482                 RTE_FLOW_LOG(INFO,
1483                         "Flow engine on port_id=%"PRIu16" is not configured.\n",
1484                         port_id);
1485                 rte_flow_error_set(error, EINVAL,
1486                                 RTE_FLOW_ERROR_TYPE_STATE,
1487                                 NULL, rte_strerror(EINVAL));
1488                 return NULL;
1489         }
1490         if (template_attr == NULL) {
1491                 RTE_FLOW_LOG(ERR,
1492                              "Port %"PRIu16" template attr is NULL.\n",
1493                              port_id);
1494                 rte_flow_error_set(error, EINVAL,
1495                                    RTE_FLOW_ERROR_TYPE_ATTR,
1496                                    NULL, rte_strerror(EINVAL));
1497                 return NULL;
1498         }
1499         if (pattern == NULL) {
1500                 RTE_FLOW_LOG(ERR,
1501                              "Port %"PRIu16" pattern is NULL.\n",
1502                              port_id);
1503                 rte_flow_error_set(error, EINVAL,
1504                                    RTE_FLOW_ERROR_TYPE_ATTR,
1505                                    NULL, rte_strerror(EINVAL));
1506                 return NULL;
1507         }
1508         if (likely(!!ops->pattern_template_create)) {
1509                 template = ops->pattern_template_create(dev, template_attr,
1510                                                         pattern, error);
1511                 if (template == NULL)
1512                         flow_err(port_id, -rte_errno, error);
1513                 return template;
1514         }
1515         rte_flow_error_set(error, ENOTSUP,
1516                            RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1517                            NULL, rte_strerror(ENOTSUP));
1518         return NULL;
1519 }
1520
1521 int
1522 rte_flow_pattern_template_destroy(uint16_t port_id,
1523                 struct rte_flow_pattern_template *pattern_template,
1524                 struct rte_flow_error *error)
1525 {
1526         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1527         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1528
1529         if (unlikely(!ops))
1530                 return -rte_errno;
1531         if (unlikely(pattern_template == NULL))
1532                 return 0;
1533         if (likely(!!ops->pattern_template_destroy)) {
1534                 return flow_err(port_id,
1535                                 ops->pattern_template_destroy(dev,
1536                                                               pattern_template,
1537                                                               error),
1538                                 error);
1539         }
1540         return rte_flow_error_set(error, ENOTSUP,
1541                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1542                                   NULL, rte_strerror(ENOTSUP));
1543 }
1544
1545 struct rte_flow_actions_template *
1546 rte_flow_actions_template_create(uint16_t port_id,
1547                         const struct rte_flow_actions_template_attr *template_attr,
1548                         const struct rte_flow_action actions[],
1549                         const struct rte_flow_action masks[],
1550                         struct rte_flow_error *error)
1551 {
1552         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1553         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1554         struct rte_flow_actions_template *template;
1555
1556         if (unlikely(!ops))
1557                 return NULL;
1558         if (dev->data->flow_configured == 0) {
1559                 RTE_FLOW_LOG(INFO,
1560                         "Flow engine on port_id=%"PRIu16" is not configured.\n",
1561                         port_id);
1562                 rte_flow_error_set(error, EINVAL,
1563                                    RTE_FLOW_ERROR_TYPE_STATE,
1564                                    NULL, rte_strerror(EINVAL));
1565                 return NULL;
1566         }
1567         if (template_attr == NULL) {
1568                 RTE_FLOW_LOG(ERR,
1569                              "Port %"PRIu16" template attr is NULL.\n",
1570                              port_id);
1571                 rte_flow_error_set(error, EINVAL,
1572                                    RTE_FLOW_ERROR_TYPE_ATTR,
1573                                    NULL, rte_strerror(EINVAL));
1574                 return NULL;
1575         }
1576         if (actions == NULL) {
1577                 RTE_FLOW_LOG(ERR,
1578                              "Port %"PRIu16" actions is NULL.\n",
1579                              port_id);
1580                 rte_flow_error_set(error, EINVAL,
1581                                    RTE_FLOW_ERROR_TYPE_ATTR,
1582                                    NULL, rte_strerror(EINVAL));
1583                 return NULL;
1584         }
1585         if (masks == NULL) {
1586                 RTE_FLOW_LOG(ERR,
1587                              "Port %"PRIu16" masks is NULL.\n",
1588                              port_id);
1589                 rte_flow_error_set(error, EINVAL,
1590                                    RTE_FLOW_ERROR_TYPE_ATTR,
1591                                    NULL, rte_strerror(EINVAL));
1592
1593         }
1594         if (likely(!!ops->actions_template_create)) {
1595                 template = ops->actions_template_create(dev, template_attr,
1596                                                         actions, masks, error);
1597                 if (template == NULL)
1598                         flow_err(port_id, -rte_errno, error);
1599                 return template;
1600         }
1601         rte_flow_error_set(error, ENOTSUP,
1602                            RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1603                            NULL, rte_strerror(ENOTSUP));
1604         return NULL;
1605 }
1606
1607 int
1608 rte_flow_actions_template_destroy(uint16_t port_id,
1609                         struct rte_flow_actions_template *actions_template,
1610                         struct rte_flow_error *error)
1611 {
1612         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1613         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1614
1615         if (unlikely(!ops))
1616                 return -rte_errno;
1617         if (unlikely(actions_template == NULL))
1618                 return 0;
1619         if (likely(!!ops->actions_template_destroy)) {
1620                 return flow_err(port_id,
1621                                 ops->actions_template_destroy(dev,
1622                                                               actions_template,
1623                                                               error),
1624                                 error);
1625         }
1626         return rte_flow_error_set(error, ENOTSUP,
1627                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1628                                   NULL, rte_strerror(ENOTSUP));
1629 }
1630
1631 struct rte_flow_template_table *
1632 rte_flow_template_table_create(uint16_t port_id,
1633                         const struct rte_flow_template_table_attr *table_attr,
1634                         struct rte_flow_pattern_template *pattern_templates[],
1635                         uint8_t nb_pattern_templates,
1636                         struct rte_flow_actions_template *actions_templates[],
1637                         uint8_t nb_actions_templates,
1638                         struct rte_flow_error *error)
1639 {
1640         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1641         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1642         struct rte_flow_template_table *table;
1643
1644         if (unlikely(!ops))
1645                 return NULL;
1646         if (dev->data->flow_configured == 0) {
1647                 RTE_FLOW_LOG(INFO,
1648                         "Flow engine on port_id=%"PRIu16" is not configured.\n",
1649                         port_id);
1650                 rte_flow_error_set(error, EINVAL,
1651                                    RTE_FLOW_ERROR_TYPE_STATE,
1652                                    NULL, rte_strerror(EINVAL));
1653                 return NULL;
1654         }
1655         if (table_attr == NULL) {
1656                 RTE_FLOW_LOG(ERR,
1657                              "Port %"PRIu16" table attr is NULL.\n",
1658                              port_id);
1659                 rte_flow_error_set(error, EINVAL,
1660                                    RTE_FLOW_ERROR_TYPE_ATTR,
1661                                    NULL, rte_strerror(EINVAL));
1662                 return NULL;
1663         }
1664         if (pattern_templates == NULL) {
1665                 RTE_FLOW_LOG(ERR,
1666                              "Port %"PRIu16" pattern templates is NULL.\n",
1667                              port_id);
1668                 rte_flow_error_set(error, EINVAL,
1669                                    RTE_FLOW_ERROR_TYPE_ATTR,
1670                                    NULL, rte_strerror(EINVAL));
1671                 return NULL;
1672         }
1673         if (actions_templates == NULL) {
1674                 RTE_FLOW_LOG(ERR,
1675                              "Port %"PRIu16" actions templates is NULL.\n",
1676                              port_id);
1677                 rte_flow_error_set(error, EINVAL,
1678                                    RTE_FLOW_ERROR_TYPE_ATTR,
1679                                    NULL, rte_strerror(EINVAL));
1680                 return NULL;
1681         }
1682         if (likely(!!ops->template_table_create)) {
1683                 table = ops->template_table_create(dev, table_attr,
1684                                         pattern_templates, nb_pattern_templates,
1685                                         actions_templates, nb_actions_templates,
1686                                         error);
1687                 if (table == NULL)
1688                         flow_err(port_id, -rte_errno, error);
1689                 return table;
1690         }
1691         rte_flow_error_set(error, ENOTSUP,
1692                            RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1693                            NULL, rte_strerror(ENOTSUP));
1694         return NULL;
1695 }
1696
1697 int
1698 rte_flow_template_table_destroy(uint16_t port_id,
1699                                 struct rte_flow_template_table *template_table,
1700                                 struct rte_flow_error *error)
1701 {
1702         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1703         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1704
1705         if (unlikely(!ops))
1706                 return -rte_errno;
1707         if (unlikely(template_table == NULL))
1708                 return 0;
1709         if (likely(!!ops->template_table_destroy)) {
1710                 return flow_err(port_id,
1711                                 ops->template_table_destroy(dev,
1712                                                             template_table,
1713                                                             error),
1714                                 error);
1715         }
1716         return rte_flow_error_set(error, ENOTSUP,
1717                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
1718                                   NULL, rte_strerror(ENOTSUP));
1719 }
1720
1721 struct rte_flow *
1722 rte_flow_async_create(uint16_t port_id,
1723                       uint32_t queue_id,
1724                       const struct rte_flow_op_attr *op_attr,
1725                       struct rte_flow_template_table *template_table,
1726                       const struct rte_flow_item pattern[],
1727                       uint8_t pattern_template_index,
1728                       const struct rte_flow_action actions[],
1729                       uint8_t actions_template_index,
1730                       void *user_data,
1731                       struct rte_flow_error *error)
1732 {
1733         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1734         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1735         struct rte_flow *flow;
1736
1737         flow = ops->async_create(dev, queue_id,
1738                                  op_attr, template_table,
1739                                  pattern, pattern_template_index,
1740                                  actions, actions_template_index,
1741                                  user_data, error);
1742         if (flow == NULL)
1743                 flow_err(port_id, -rte_errno, error);
1744         return flow;
1745 }
1746
1747 int
1748 rte_flow_async_destroy(uint16_t port_id,
1749                        uint32_t queue_id,
1750                        const struct rte_flow_op_attr *op_attr,
1751                        struct rte_flow *flow,
1752                        void *user_data,
1753                        struct rte_flow_error *error)
1754 {
1755         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1756         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1757
1758         return flow_err(port_id,
1759                         ops->async_destroy(dev, queue_id,
1760                                            op_attr, flow,
1761                                            user_data, error),
1762                         error);
1763 }
1764
1765 int
1766 rte_flow_push(uint16_t port_id,
1767               uint32_t queue_id,
1768               struct rte_flow_error *error)
1769 {
1770         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1771         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1772
1773         return flow_err(port_id,
1774                         ops->push(dev, queue_id, error),
1775                         error);
1776 }
1777
1778 int
1779 rte_flow_pull(uint16_t port_id,
1780               uint32_t queue_id,
1781               struct rte_flow_op_result res[],
1782               uint16_t n_res,
1783               struct rte_flow_error *error)
1784 {
1785         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1786         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1787         int ret;
1788
1789         ret = ops->pull(dev, queue_id, res, n_res, error);
1790         return ret ? ret : flow_err(port_id, ret, error);
1791 }
1792
1793 struct rte_flow_action_handle *
1794 rte_flow_async_action_handle_create(uint16_t port_id,
1795                 uint32_t queue_id,
1796                 const struct rte_flow_op_attr *op_attr,
1797                 const struct rte_flow_indir_action_conf *indir_action_conf,
1798                 const struct rte_flow_action *action,
1799                 void *user_data,
1800                 struct rte_flow_error *error)
1801 {
1802         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1803         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1804         struct rte_flow_action_handle *handle;
1805
1806         handle = ops->async_action_handle_create(dev, queue_id, op_attr,
1807                                              indir_action_conf, action, user_data, error);
1808         if (handle == NULL)
1809                 flow_err(port_id, -rte_errno, error);
1810         return handle;
1811 }
1812
1813 int
1814 rte_flow_async_action_handle_destroy(uint16_t port_id,
1815                 uint32_t queue_id,
1816                 const struct rte_flow_op_attr *op_attr,
1817                 struct rte_flow_action_handle *action_handle,
1818                 void *user_data,
1819                 struct rte_flow_error *error)
1820 {
1821         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1822         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1823         int ret;
1824
1825         ret = ops->async_action_handle_destroy(dev, queue_id, op_attr,
1826                                            action_handle, user_data, error);
1827         return flow_err(port_id, ret, error);
1828 }
1829
1830 int
1831 rte_flow_async_action_handle_update(uint16_t port_id,
1832                 uint32_t queue_id,
1833                 const struct rte_flow_op_attr *op_attr,
1834                 struct rte_flow_action_handle *action_handle,
1835                 const void *update,
1836                 void *user_data,
1837                 struct rte_flow_error *error)
1838 {
1839         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1840         const struct rte_flow_ops *ops = rte_flow_ops_get(port_id, error);
1841         int ret;
1842
1843         ret = ops->async_action_handle_update(dev, queue_id, op_attr,
1844                                           action_handle, update, user_data, error);
1845         return flow_err(port_id, ret, error);
1846 }