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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2020 Marvell International Ltd.
*/
#ifndef __INCLUDE_RTE_NODE_IP4_API_H__
#define __INCLUDE_RTE_NODE_IP4_API_H__
/**
* @file rte_node_ip4_api.h
*
* @warning
* @b EXPERIMENTAL:
* All functions in this file may be changed or removed without prior notice.
*
* This API allows to do control path functions of ip4_* nodes
* like ip4_lookup, ip4_rewrite.
*/
#include <rte_common.h>
#include <rte_compat.h>
#include <rte_fib.h>
#include <rte_graph.h>
#ifdef __cplusplus
extern "C" {
#endif
/** IP4 output arc */
#define RTE_IP4_OUTPUT_FEATURE_ARC_NAME "rte_ip4_output_arc"
#define RTE_IP4_OUTPUT_END_FEATURE_NAME "rte_if_tx_feature"
/**
* IP4 lookup next nodes.
*/
enum rte_node_ip4_lookup_next {
RTE_NODE_IP4_LOOKUP_NEXT_REWRITE,
/**< Rewrite node. */
RTE_NODE_IP4_LOOKUP_NEXT_IP4_LOCAL,
/** IP Local node. */
RTE_NODE_IP4_LOOKUP_NEXT_PKT_DROP,
/**< Number of next nodes of lookup node. */
};
/**
* IP4 Local next nodes.
*/
enum rte_node_ip4_local_next {
RTE_NODE_IP4_LOCAL_NEXT_UDP4_INPUT,
/**< ip4 Local node. */
RTE_NODE_IP4_LOCAL_NEXT_PKT_DROP,
/**< Packet drop node. */
};
/**
* IP4 reassembly next nodes.
*/
enum rte_node_ip4_reassembly_next {
RTE_NODE_IP4_REASSEMBLY_NEXT_PKT_DROP,
/**< Packet drop node. */
};
/**
* Reassembly configure structure.
* @see rte_node_ip4_reassembly_configure
*/
struct rte_node_ip4_reassembly_cfg {
struct rte_ip_frag_tbl *tbl;
/**< Reassembly fragmentation table. */
struct rte_ip_frag_death_row *dr;
/**< Reassembly deathrow table. */
rte_node_t node_id;
/**< Node identifier to configure. */
};
/**
* Add ipv4 route to lookup table.
*
* @param ip
* IP address of route to be added.
* @param depth
* Depth of the rule to be added.
* @param next_hop
* Next hop id of the rule result to be added.
* @param next_node
* Next node to redirect traffic to.
*
* @return
* 0 on success, negative otherwise.
*/
int rte_node_ip4_route_add(uint32_t ip, uint8_t depth, uint16_t next_hop,
enum rte_node_ip4_lookup_next next_node);
/**
* Add a next hop's rewrite data.
*
* @param next_hop
* Next hop id to add rewrite data to.
* @param rewrite_data
* Rewrite data.
* @param rewrite_len
* Length of rewrite data.
* @param dst_port
* Destination port to redirect traffic to.
*
* @return
* 0 on success, negative otherwise.
*/
int rte_node_ip4_rewrite_add(uint16_t next_hop, uint8_t *rewrite_data,
uint8_t rewrite_len, uint16_t dst_port);
/**
* Add reassembly node configuration data.
*
* @param cfg
* Pointer to the configuration structure.
* @param cnt
* Number of configuration structures passed.
*
* @return
* 0 on success, negative otherwise.
*/
__rte_experimental
int rte_node_ip4_reassembly_configure(struct rte_node_ip4_reassembly_cfg *cfg, uint16_t cnt);
/**
* Create ipv4 FIB.
*
* @param socket
* NUMA socket for FIB memory allocation.
* @param conf
* Structure containing FIB configuration.
*
* @return
* 0 on success, negative otherwise.
*/
__rte_experimental
int rte_node_ip4_fib_create(int socket, struct rte_fib_conf *conf);
/**
* Add ipv4 route to FIB.
*
* @param ip
* IP address of route to be added.
* @param depth
* Depth of the rule to be added.
* @param next_hop
* Next hop id of the rule result to be added.
* @param next_node
* Next node to redirect traffic to.
*
* @return
* 0 on success, negative otherwise.
*/
__rte_experimental
int rte_node_ip4_fib_route_add(uint32_t ip, uint8_t depth, uint16_t next_hop,
enum rte_node_ip4_lookup_next next_node);
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_RTE_NODE_IP4_API_H__ */
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