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39 #include <rte_byteorder.h>
40 #include <rte_crypto.h>
42 #define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
43 #define RTE_LOGTYPE_IPSEC_ESP RTE_LOGTYPE_USER2
44 #define RTE_LOGTYPE_IPSEC_IPIP RTE_LOGTYPE_USER3
46 #define MAX_PKT_BURST 32
47 #define MAX_QP_PER_LCORE 256
49 #define MAX_DIGEST_SIZE 32 /* Bytes -- 256 bits */
51 #define uint32_t_to_char(ip, a, b, c, d) do {\
52 *a = (uint8_t)(ip >> 24 & 0xff);\
53 *b = (uint8_t)(ip >> 16 & 0xff);\
54 *c = (uint8_t)(ip >> 8 & 0xff);\
55 *d = (uint8_t)(ip & 0xff);\
58 #define DEFAULT_MAX_CATEGORIES 1
60 #define IPSEC_SA_MAX_ENTRIES (128) /* must be power of 2, max 2 power 30 */
61 #define SPI2IDX(spi) (spi & (IPSEC_SA_MAX_ENTRIES - 1))
62 #define INVALID_SPI (0)
64 #define DISCARD (0x80000000)
65 #define BYPASS (0x40000000)
66 #define PROTECT_MASK (0x3fffffff)
67 #define PROTECT(sa_idx) (SPI2IDX(sa_idx) & PROTECT_MASK) /* SA idx 30 bits */
69 #define IPSEC_XFORM_MAX 2
71 #define IP6_VERSION (6)
73 struct rte_crypto_xform;
75 struct rte_cryptodev_session;
80 typedef int32_t (*ipsec_xform_fn)(struct rte_mbuf *m, struct ipsec_sa *sa,
81 struct rte_crypto_op *cop);
96 struct rte_cryptodev_sym_session *crypto_session;
98 enum rte_crypto_cipher_algorithm cipher_algo;
99 enum rte_crypto_auth_algorithm auth_algo;
104 #define IP4_TUNNEL (1 << 0)
105 #define IP6_TUNNEL (1 << 1)
106 #define TRANSPORT (1 << 2)
109 struct rte_crypto_sym_xform *xforms;
110 } __rte_cache_aligned;
112 struct ipsec_mbuf_metadata {
114 struct rte_crypto_op cop;
115 struct rte_crypto_sym_op sym_cop;
123 struct rte_crypto_op *buf[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
127 struct rte_hash *cdev_map;
128 struct sp_ctx *sp4_ctx;
129 struct sp_ctx *sp6_ctx;
130 struct sa_ctx *sa_ctx;
133 struct cdev_qp tbl[MAX_QP_PER_LCORE];
143 struct sa_ctx *sa_in;
144 struct sa_ctx *sa_out;
145 struct sp_ctx *sp_ip4_in;
146 struct sp_ctx *sp_ip4_out;
147 struct sp_ctx *sp_ip6_in;
148 struct sp_ctx *sp_ip6_out;
149 struct rt_ctx *rt_ip4;
150 struct rt_ctx *rt_ip6;
151 struct rte_mempool *mbuf_pool;
155 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
156 uint16_t nb_pkts, uint16_t len);
159 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
160 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len);
162 static inline uint16_t
163 ipsec_metadata_size(void)
165 return sizeof(struct ipsec_mbuf_metadata);
168 static inline struct ipsec_mbuf_metadata *
169 get_priv(struct rte_mbuf *m)
171 return RTE_PTR_ADD(m, sizeof(struct rte_mbuf));
175 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx);
178 inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
179 struct ipsec_sa *sa[], uint16_t nb_pkts);
182 outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
183 struct ipsec_sa *sa[], uint16_t nb_pkts);
186 sp4_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep);
189 sp6_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep);
192 sa_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep);
195 rt_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t ep);
197 #endif /* __IPSEC_H__ */