rte_ipsec_sad.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2019 Intel Corporation
 */
 
#ifndef _RTE_IPSEC_SAD_H_
#define _RTE_IPSEC_SAD_H_
 
#include <stdint.h>
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct rte_ipsec_sad;
 
enum {
    RTE_IPSEC_SAD_SPI_ONLY = 0,
    RTE_IPSEC_SAD_SPI_DIP,
    RTE_IPSEC_SAD_SPI_DIP_SIP,
    RTE_IPSEC_SAD_KEY_TYPE_MASK,
};
 
struct rte_ipsec_sadv4_key {
    uint32_t spi;
    uint32_t dip;
    uint32_t sip;
};
 
struct rte_ipsec_sadv6_key {
    uint32_t spi;
    uint8_t dip[16];
    uint8_t sip[16];
};
 
union rte_ipsec_sad_key {
    struct rte_ipsec_sadv4_key  v4;
    struct rte_ipsec_sadv6_key  v6;
};
 
#define RTE_IPSEC_SAD_NAMESIZE      64
#define RTE_IPSEC_SAD_FLAG_IPV6         0x1
#define RTE_IPSEC_SAD_FLAG_RW_CONCURRENCY   0x2
 
struct rte_ipsec_sad_conf {
    int     socket_id;
    uint32_t    max_sa[RTE_IPSEC_SAD_KEY_TYPE_MASK];
    uint32_t    flags;
};
 
int
rte_ipsec_sad_add(struct rte_ipsec_sad *sad,
    const union rte_ipsec_sad_key *key,
    int key_type, void *sa);
 
int
rte_ipsec_sad_del(struct rte_ipsec_sad *sad,
    const union rte_ipsec_sad_key *key,
    int key_type);
/*
 * Create SAD
 *
 * @param name
 *  SAD name
 * @param conf
 *  Structure containing the configuration
 * @return
 *  Handle to SAD object on success
 *  NULL otherwise with rte_errno set to an appropriate values.
 */
struct rte_ipsec_sad *
rte_ipsec_sad_create(const char *name, const struct rte_ipsec_sad_conf *conf);
 
struct rte_ipsec_sad *
rte_ipsec_sad_find_existing(const char *name);
 
void
rte_ipsec_sad_destroy(struct rte_ipsec_sad *sad);
 
int
rte_ipsec_sad_lookup(const struct rte_ipsec_sad *sad,
    const union rte_ipsec_sad_key *keys[],
    void *sa[], uint32_t n);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _RTE_IPSEC_SAD_H_ */