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39 #include <rte_byteorder.h>
41 #include <rte_crypto.h>
43 #define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
44 #define RTE_LOGTYPE_IPSEC_ESP RTE_LOGTYPE_USER2
45 #define RTE_LOGTYPE_IPSEC_IPIP RTE_LOGTYPE_USER3
47 #define MAX_PKT_BURST 32
48 #define MAX_QP_PER_LCORE 256
50 #define MAX_DIGEST_SIZE 32 /* Bytes -- 256 bits */
52 #define uint32_t_to_char(ip, a, b, c, d) do {\
53 *a = (unsigned char)(ip >> 24 & 0xff);\
54 *b = (unsigned char)(ip >> 16 & 0xff);\
55 *c = (unsigned char)(ip >> 8 & 0xff);\
56 *d = (unsigned char)(ip & 0xff);\
59 #define DEFAULT_MAX_CATEGORIES 1
61 #define IPSEC_SA_MAX_ENTRIES (64) /* must be power of 2, max 2 power 30 */
62 #define SPI2IDX(spi) (spi & (IPSEC_SA_MAX_ENTRIES - 1))
63 #define INVALID_SPI (0)
65 #define DISCARD (0x80000000)
66 #define BYPASS (0x40000000)
67 #define PROTECT_MASK (0x3fffffff)
68 #define PROTECT(sa_idx) (SPI2IDX(sa_idx) & PROTECT_MASK) /* SA idx 30 bits */
70 #define IPSEC_XFORM_MAX 2
72 struct rte_crypto_xform;
74 struct rte_cryptodev_session;
79 typedef int (*ipsec_xform_fn)(struct rte_mbuf *m, struct ipsec_sa *sa,
80 struct rte_crypto_op *cop);
87 struct rte_cryptodev_sym_session *crypto_session;
88 struct rte_crypto_sym_xform *xforms;
89 ipsec_xform_fn pre_crypto;
90 ipsec_xform_fn post_crypto;
91 enum rte_crypto_cipher_algorithm cipher_algo;
92 enum rte_crypto_auth_algorithm auth_algo;
98 } __rte_cache_aligned;
100 struct ipsec_mbuf_metadata {
102 struct rte_crypto_op cop;
103 struct rte_crypto_sym_op sym_cop;
111 struct rte_crypto_op *buf[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
115 struct rte_hash *cdev_map;
116 struct sp_ctx *sp_ctx;
117 struct sa_ctx *sa_ctx;
120 struct cdev_qp tbl[MAX_QP_PER_LCORE];
130 struct sa_ctx *sa_ipv4_in;
131 struct sa_ctx *sa_ipv4_out;
132 struct sp_ctx *sp_ipv4_in;
133 struct sp_ctx *sp_ipv4_out;
134 struct rt_ctx *rt_ipv4;
135 struct rte_mempool *mbuf_pool;
139 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
140 uint16_t nb_pkts, uint16_t len);
143 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
144 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len);
146 static inline uint16_t
147 ipsec_metadata_size(void)
149 return sizeof(struct ipsec_mbuf_metadata);
152 static inline struct ipsec_mbuf_metadata *
153 get_priv(struct rte_mbuf *m)
155 return RTE_PTR_ADD(m, sizeof(struct rte_mbuf));
159 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx);
162 inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
163 struct ipsec_sa *sa[], uint16_t nb_pkts);
166 outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
167 struct ipsec_sa *sa[], uint16_t nb_pkts);
170 sp_init(struct socket_ctx *ctx, int socket_id, unsigned ep);
173 sa_init(struct socket_ctx *ctx, int socket_id, unsigned ep);
176 rt_init(struct socket_ctx *ctx, int socket_id, unsigned ep);
178 #endif /* __IPSEC_H__ */