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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);
93 #define MAX_KEY_SIZE 32
100 struct rte_cryptodev_sym_session *crypto_session;
101 enum rte_crypto_cipher_algorithm cipher_algo;
102 enum rte_crypto_auth_algorithm auth_algo;
107 #define IP4_TUNNEL (1 << 0)
108 #define IP6_TUNNEL (1 << 1)
109 #define TRANSPORT (1 << 2)
112 uint8_t cipher_key[MAX_KEY_SIZE];
113 uint16_t cipher_key_len;
114 uint8_t auth_key[MAX_KEY_SIZE];
115 uint16_t auth_key_len;
117 struct rte_crypto_sym_xform *xforms;
118 } __rte_cache_aligned;
120 struct ipsec_mbuf_metadata {
123 struct rte_crypto_op cop;
124 struct rte_crypto_sym_op sym_cop;
125 } __rte_cache_aligned;
132 struct rte_crypto_op *buf[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
136 struct rte_hash *cdev_map;
137 struct sp_ctx *sp4_ctx;
138 struct sp_ctx *sp6_ctx;
139 struct sa_ctx *sa_ctx;
142 struct cdev_qp tbl[MAX_QP_PER_LCORE];
152 struct sa_ctx *sa_in;
153 struct sa_ctx *sa_out;
154 struct sp_ctx *sp_ip4_in;
155 struct sp_ctx *sp_ip4_out;
156 struct sp_ctx *sp_ip6_in;
157 struct sp_ctx *sp_ip6_out;
158 struct rt_ctx *rt_ip4;
159 struct rt_ctx *rt_ip6;
160 struct rte_mempool *mbuf_pool;
167 } __attribute__((packed));
170 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
171 uint16_t nb_pkts, uint16_t len);
174 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
175 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len);
177 static inline uint16_t
178 ipsec_metadata_size(void)
180 return sizeof(struct ipsec_mbuf_metadata);
183 static inline struct ipsec_mbuf_metadata *
184 get_priv(struct rte_mbuf *m)
186 return RTE_PTR_ADD(m, sizeof(struct rte_mbuf));
190 get_cnt_blk(struct rte_mbuf *m)
192 struct ipsec_mbuf_metadata *priv = get_priv(m);
194 return &priv->buf[0];
198 get_aad(struct rte_mbuf *m)
200 struct ipsec_mbuf_metadata *priv = get_priv(m);
202 return &priv->buf[16];
206 get_sym_cop(struct rte_crypto_op *cop)
212 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx);
215 inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
216 struct ipsec_sa *sa[], uint16_t nb_pkts);
219 outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
220 struct ipsec_sa *sa[], uint16_t nb_pkts);
223 sp4_init(struct socket_ctx *ctx, int32_t socket_id);
226 sp6_init(struct socket_ctx *ctx, int32_t socket_id);
229 sa_init(struct socket_ctx *ctx, int32_t socket_id);
232 rt_init(struct socket_ctx *ctx, int32_t socket_id);
234 #endif /* __IPSEC_H__ */