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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 IV_OFFSET (sizeof(struct rte_crypto_op) + \
52 sizeof(struct rte_crypto_sym_op))
54 #define uint32_t_to_char(ip, a, b, c, d) do {\
55 *a = (uint8_t)(ip >> 24 & 0xff);\
56 *b = (uint8_t)(ip >> 16 & 0xff);\
57 *c = (uint8_t)(ip >> 8 & 0xff);\
58 *d = (uint8_t)(ip & 0xff);\
61 #define DEFAULT_MAX_CATEGORIES 1
63 #define IPSEC_SA_MAX_ENTRIES (128) /* must be power of 2, max 2 power 30 */
64 #define SPI2IDX(spi) (spi & (IPSEC_SA_MAX_ENTRIES - 1))
65 #define INVALID_SPI (0)
67 #define DISCARD (0x80000000)
68 #define BYPASS (0x40000000)
69 #define PROTECT_MASK (0x3fffffff)
70 #define PROTECT(sa_idx) (SPI2IDX(sa_idx) & PROTECT_MASK) /* SA idx 30 bits */
72 #define IPSEC_XFORM_MAX 2
74 #define IP6_VERSION (6)
76 struct rte_crypto_xform;
82 typedef int32_t (*ipsec_xform_fn)(struct rte_mbuf *m, struct ipsec_sa *sa,
83 struct rte_crypto_op *cop);
95 #define MAX_KEY_SIZE 32
102 struct rte_cryptodev_sym_session *crypto_session;
103 enum rte_crypto_cipher_algorithm cipher_algo;
104 enum rte_crypto_auth_algorithm auth_algo;
105 enum rte_crypto_aead_algorithm aead_algo;
110 #define IP4_TUNNEL (1 << 0)
111 #define IP6_TUNNEL (1 << 1)
112 #define TRANSPORT (1 << 2)
115 uint8_t cipher_key[MAX_KEY_SIZE];
116 uint16_t cipher_key_len;
117 uint8_t auth_key[MAX_KEY_SIZE];
118 uint16_t auth_key_len;
120 struct rte_crypto_sym_xform *xforms;
121 } __rte_cache_aligned;
123 struct ipsec_mbuf_metadata {
125 struct rte_crypto_op cop;
126 struct rte_crypto_sym_op sym_cop;
128 } __rte_cache_aligned;
135 struct rte_crypto_op *buf[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
139 struct rte_hash *cdev_map;
140 struct sp_ctx *sp4_ctx;
141 struct sp_ctx *sp6_ctx;
142 struct sa_ctx *sa_ctx;
145 struct cdev_qp tbl[MAX_QP_PER_LCORE];
146 struct rte_mempool *session_pool;
156 struct sa_ctx *sa_in;
157 struct sa_ctx *sa_out;
158 struct sp_ctx *sp_ip4_in;
159 struct sp_ctx *sp_ip4_out;
160 struct sp_ctx *sp_ip6_in;
161 struct sp_ctx *sp_ip6_out;
162 struct rt_ctx *rt_ip4;
163 struct rt_ctx *rt_ip6;
164 struct rte_mempool *mbuf_pool;
165 struct rte_mempool *session_pool;
172 } __attribute__((packed));
175 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
176 uint16_t nb_pkts, uint16_t len);
179 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
180 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len);
182 static inline uint16_t
183 ipsec_metadata_size(void)
185 return sizeof(struct ipsec_mbuf_metadata);
188 static inline struct ipsec_mbuf_metadata *
189 get_priv(struct rte_mbuf *m)
191 return RTE_PTR_ADD(m, sizeof(struct rte_mbuf));
195 get_cnt_blk(struct rte_mbuf *m)
197 struct ipsec_mbuf_metadata *priv = get_priv(m);
199 return &priv->buf[0];
203 get_aad(struct rte_mbuf *m)
205 struct ipsec_mbuf_metadata *priv = get_priv(m);
207 return &priv->buf[16];
211 get_sym_cop(struct rte_crypto_op *cop)
217 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx);
220 inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
221 struct ipsec_sa *sa[], uint16_t nb_pkts);
224 outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
225 struct ipsec_sa *sa[], uint16_t nb_pkts);
228 sp4_init(struct socket_ctx *ctx, int32_t socket_id);
231 sp6_init(struct socket_ctx *ctx, int32_t socket_id);
234 sa_init(struct socket_ctx *ctx, int32_t socket_id);
237 rt_init(struct socket_ctx *ctx, int32_t socket_id);
239 #endif /* __IPSEC_H__ */