1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2017 Intel Corporation
10 #include <rte_byteorder.h>
11 #include <rte_crypto.h>
12 #include <rte_security.h>
15 #define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
16 #define RTE_LOGTYPE_IPSEC_ESP RTE_LOGTYPE_USER2
17 #define RTE_LOGTYPE_IPSEC_IPIP RTE_LOGTYPE_USER3
19 #define MAX_PKT_BURST 32
20 #define MAX_INFLIGHT 128
21 #define MAX_QP_PER_LCORE 256
23 #define MAX_DIGEST_SIZE 32 /* Bytes -- 256 bits */
25 #define IPSEC_OFFLOAD_ESN_SOFTLIMIT 0xffffff00
27 #define IV_OFFSET (sizeof(struct rte_crypto_op) + \
28 sizeof(struct rte_crypto_sym_op))
30 #define uint32_t_to_char(ip, a, b, c, d) do {\
31 *a = (uint8_t)(ip >> 24 & 0xff);\
32 *b = (uint8_t)(ip >> 16 & 0xff);\
33 *c = (uint8_t)(ip >> 8 & 0xff);\
34 *d = (uint8_t)(ip & 0xff);\
37 #define DEFAULT_MAX_CATEGORIES 1
39 #define IPSEC_SA_MAX_ENTRIES (128) /* must be power of 2, max 2 power 30 */
40 #define SPI2IDX(spi) (spi & (IPSEC_SA_MAX_ENTRIES - 1))
41 #define INVALID_SPI (0)
43 #define DISCARD INVALID_SPI
44 #define BYPASS UINT32_MAX
46 #define IPSEC_XFORM_MAX 2
48 #define IP6_VERSION (6)
50 struct rte_crypto_xform;
56 typedef int32_t (*ipsec_xform_fn)(struct rte_mbuf *m, struct ipsec_sa *sa,
57 struct rte_crypto_op *cop);
69 #define MAX_KEY_SIZE 32
77 struct rte_cryptodev_sym_session *crypto_session;
78 struct rte_security_session *sec_session;
80 enum rte_crypto_cipher_algorithm cipher_algo;
81 enum rte_crypto_auth_algorithm auth_algo;
82 enum rte_crypto_aead_algorithm aead_algo;
87 #define IP4_TUNNEL (1 << 0)
88 #define IP6_TUNNEL (1 << 1)
89 #define TRANSPORT (1 << 2)
92 uint8_t cipher_key[MAX_KEY_SIZE];
93 uint16_t cipher_key_len;
94 uint8_t auth_key[MAX_KEY_SIZE];
95 uint16_t auth_key_len;
98 struct rte_crypto_sym_xform *xforms;
99 struct rte_security_ipsec_xform *sec_xform;
101 enum rte_security_session_action_type type;
102 enum rte_security_ipsec_sa_direction direction;
104 struct rte_security_ctx *security_ctx;
107 #define MAX_RTE_FLOW_PATTERN (4)
108 #define MAX_RTE_FLOW_ACTIONS (3)
109 struct rte_flow_item pattern[MAX_RTE_FLOW_PATTERN];
110 struct rte_flow_action action[MAX_RTE_FLOW_ACTIONS];
111 struct rte_flow_attr attr;
113 struct rte_flow_item_ipv4 ipv4_spec;
114 struct rte_flow_item_ipv6 ipv6_spec;
116 struct rte_flow_item_esp esp_spec;
117 struct rte_flow *flow;
118 struct rte_security_session_conf sess_conf;
119 } __rte_cache_aligned;
121 struct ipsec_mbuf_metadata {
123 struct rte_crypto_op cop;
124 struct rte_crypto_sym_op sym_cop;
126 } __rte_cache_aligned;
133 struct rte_crypto_op *buf[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
137 struct rte_hash *cdev_map;
138 struct sp_ctx *sp4_ctx;
139 struct sp_ctx *sp6_ctx;
140 struct sa_ctx *sa_ctx;
143 struct cdev_qp tbl[MAX_QP_PER_LCORE];
144 struct rte_mempool *session_pool;
145 struct rte_mbuf *ol_pkts[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
146 uint16_t ol_pkts_cnt;
157 struct sa_ctx *sa_in;
158 struct sa_ctx *sa_out;
159 struct sp_ctx *sp_ip4_in;
160 struct sp_ctx *sp_ip4_out;
161 struct sp_ctx *sp_ip6_in;
162 struct sp_ctx *sp_ip6_out;
163 struct rt_ctx *rt_ip4;
164 struct rt_ctx *rt_ip6;
165 struct rte_mempool *mbuf_pool;
166 struct rte_mempool *session_pool;
173 } __attribute__((packed));
176 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
177 uint16_t nb_pkts, uint16_t len);
180 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
181 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len);
184 ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
188 ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
191 static inline uint16_t
192 ipsec_metadata_size(void)
194 return sizeof(struct ipsec_mbuf_metadata);
197 static inline struct ipsec_mbuf_metadata *
198 get_priv(struct rte_mbuf *m)
200 return rte_mbuf_to_priv(m);
204 get_cnt_blk(struct rte_mbuf *m)
206 struct ipsec_mbuf_metadata *priv = get_priv(m);
208 return &priv->buf[0];
212 get_aad(struct rte_mbuf *m)
214 struct ipsec_mbuf_metadata *priv = get_priv(m);
216 return &priv->buf[16];
220 get_sym_cop(struct rte_crypto_op *cop)
226 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx);
229 inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
230 struct ipsec_sa *sa[], uint16_t nb_pkts);
233 outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
234 struct ipsec_sa *sa[], uint16_t nb_pkts);
237 sp4_init(struct socket_ctx *ctx, int32_t socket_id);
240 sp6_init(struct socket_ctx *ctx, int32_t socket_id);
243 * Search through SA entries for given SPI.
244 * Returns first entry index if found(greater or equal then zero),
245 * or -ENOENT otherwise.
248 sa_spi_present(uint32_t spi, int inbound);
251 sa_init(struct socket_ctx *ctx, int32_t socket_id);
254 rt_init(struct socket_ctx *ctx, int32_t socket_id);
257 enqueue_cop_burst(struct cdev_qp *cqp);
259 #endif /* __IPSEC_H__ */