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_QP_PER_LCORE 256
22 #define MAX_DIGEST_SIZE 32 /* Bytes -- 256 bits */
24 #define IV_OFFSET (sizeof(struct rte_crypto_op) + \
25 sizeof(struct rte_crypto_sym_op))
27 #define uint32_t_to_char(ip, a, b, c, d) do {\
28 *a = (uint8_t)(ip >> 24 & 0xff);\
29 *b = (uint8_t)(ip >> 16 & 0xff);\
30 *c = (uint8_t)(ip >> 8 & 0xff);\
31 *d = (uint8_t)(ip & 0xff);\
34 #define DEFAULT_MAX_CATEGORIES 1
36 #define IPSEC_SA_MAX_ENTRIES (128) /* must be power of 2, max 2 power 30 */
37 #define SPI2IDX(spi) (spi & (IPSEC_SA_MAX_ENTRIES - 1))
38 #define INVALID_SPI (0)
40 #define DISCARD (0x80000000)
41 #define BYPASS (0x40000000)
42 #define PROTECT_MASK (0x3fffffff)
43 #define PROTECT(sa_idx) (SPI2IDX(sa_idx) & PROTECT_MASK) /* SA idx 30 bits */
45 #define IPSEC_XFORM_MAX 2
47 #define IP6_VERSION (6)
49 struct rte_crypto_xform;
55 typedef int32_t (*ipsec_xform_fn)(struct rte_mbuf *m, struct ipsec_sa *sa,
56 struct rte_crypto_op *cop);
68 #define MAX_KEY_SIZE 32
76 struct rte_cryptodev_sym_session *crypto_session;
77 struct rte_security_session *sec_session;
79 enum rte_crypto_cipher_algorithm cipher_algo;
80 enum rte_crypto_auth_algorithm auth_algo;
81 enum rte_crypto_aead_algorithm aead_algo;
86 #define IP4_TUNNEL (1 << 0)
87 #define IP6_TUNNEL (1 << 1)
88 #define TRANSPORT (1 << 2)
91 uint8_t cipher_key[MAX_KEY_SIZE];
92 uint16_t cipher_key_len;
93 uint8_t auth_key[MAX_KEY_SIZE];
94 uint16_t auth_key_len;
97 struct rte_crypto_sym_xform *xforms;
98 struct rte_security_ipsec_xform *sec_xform;
100 enum rte_security_session_action_type type;
101 enum rte_security_ipsec_sa_direction direction;
103 struct rte_security_ctx *security_ctx;
106 #define MAX_RTE_FLOW_PATTERN (4)
107 #define MAX_RTE_FLOW_ACTIONS (3)
108 struct rte_flow_item pattern[MAX_RTE_FLOW_PATTERN];
109 struct rte_flow_action action[MAX_RTE_FLOW_ACTIONS];
110 struct rte_flow_attr attr;
112 struct rte_flow_item_ipv4 ipv4_spec;
113 struct rte_flow_item_ipv6 ipv6_spec;
115 struct rte_flow_item_esp esp_spec;
116 struct rte_flow *flow;
117 struct rte_security_session_conf sess_conf;
118 } __rte_cache_aligned;
120 struct ipsec_mbuf_metadata {
122 struct rte_crypto_op cop;
123 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];
143 struct rte_mempool *session_pool;
144 struct rte_mbuf *ol_pkts[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
145 uint16_t ol_pkts_cnt;
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__ */