ceph/src/spdk/dpdk/lib/librte_node/rte_node_ip4_api.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2020 Marvell International Ltd.
   3  */
   4
   5 #ifndef __INCLUDE_RTE_NODE_IP4_API_H__
   6 #define __INCLUDE_RTE_NODE_IP4_API_H__
   7
   8 /**
   9  * @file rte_node_ip4_api.h
  10  *
  11  * @warning
  12  * @b EXPERIMENTAL: this API may change without prior notice
  13  *
  14  * This API allows to do control path functions of ip4_* nodes
  15  * like ip4_lookup, ip4_rewrite.
  16  *
  17  */
  18 #ifdef __cplusplus
  19 extern "C" {
  20 #endif
  21
  22 #include <rte_common.h>
  23
  24 /**
  25  * IP4 lookup next nodes.
  26  */
  27 enum rte_node_ip4_lookup_next {
  28         RTE_NODE_IP4_LOOKUP_NEXT_REWRITE,
  29         /**< Rewrite node. */
  30         RTE_NODE_IP4_LOOKUP_NEXT_PKT_DROP,
  31         /**< Packet drop node. */
  32         RTE_NODE_IP4_LOOKUP_NEXT_MAX,
  33         /**< Number of next nodes of lookup node. */
  34 };
  35
  36 /**
  37  * Add ipv4 route to lookup table.
  38  *
  39  * @param ip
  40  *   IP address of route to be added.
  41  * @param depth
  42  *   Depth of the rule to be added.
  43  * @param next_hop
  44  *   Next hop id of the rule result to be added.
  45  * @param next_node
  46  *   Next node to redirect traffic to.
  47  *
  48  * @return
  49  *   0 on success, negative otherwise.
  50  */
  51 __rte_experimental
  52 int rte_node_ip4_route_add(uint32_t ip, uint8_t depth, uint16_t next_hop,
  53                            enum rte_node_ip4_lookup_next next_node);
  54
  55 /**
  56  * Add a next hop's rewrite data.
  57  *
  58  * @param next_hop
  59  *   Next hop id to add rewrite data to.
  60  * @param rewrite_data
  61  *   Rewrite data.
  62  * @param rewrite_len
  63  *   Length of rewrite data.
  64  * @param dst_port
  65  *   Destination port to redirect traffic to.
  66  *
  67  * @return
  68  *   0 on success, negative otherwise.
  69  */
  70 __rte_experimental
  71 int rte_node_ip4_rewrite_add(uint16_t next_hop, uint8_t *rewrite_data,
  72                              uint8_t rewrite_len, uint16_t dst_port);
  73
  74 #ifdef __cplusplus
  75 }
  76 #endif
  77
  78 #endif /* __INCLUDE_RTE_NODE_IP4_API_H__ */