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>
14 #include <rte_ipsec.h>
16 #include "ipsec-secgw.h"
18 #define RTE_LOGTYPE_IPSEC_ESP RTE_LOGTYPE_USER2
19 #define RTE_LOGTYPE_IPSEC_IPIP RTE_LOGTYPE_USER3
21 #define MAX_INFLIGHT 128
22 #define MAX_QP_PER_LCORE 256
24 #define MAX_DIGEST_SIZE 32 /* Bytes -- 256 bits */
26 #define IPSEC_OFFLOAD_ESN_SOFTLIMIT 0xffffff00
28 #define IV_OFFSET (sizeof(struct rte_crypto_op) + \
29 sizeof(struct rte_crypto_sym_op))
31 #define DEFAULT_MAX_CATEGORIES 1
33 #define INVALID_SPI (0)
35 #define DISCARD INVALID_SPI
36 #define BYPASS UINT32_MAX
38 #define IPSEC_XFORM_MAX 2
40 #define IP6_VERSION (6)
42 struct rte_crypto_xform;
48 * Keeps number of configured SA's for each address family:
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 36
71 * application wide SA parameters
74 uint32_t enable; /* use librte_ipsec API for ipsec pkt processing */
75 uint32_t window_size; /* replay window size */
76 uint32_t enable_esn; /* enable/disable ESN support */
77 uint32_t cache_sz; /* per lcore SA cache size */
78 uint32_t udp_encap; /* enable/disable UDP Encapsulation */
79 uint64_t flags; /* rte_ipsec_sa_prm.flags */
82 extern struct app_sa_prm app_sa_prm;
85 struct rte_flow *rx_def_flow;
88 extern struct flow_info flow_info_tbl[RTE_MAX_ETHPORTS];
91 IPSEC_SESSION_PRIMARY = 0,
92 IPSEC_SESSION_FALLBACK = 1,
96 #define IPSEC_SA_OFFLOAD_FALLBACK_FLAG (1)
98 static inline struct ipsec_sa *
99 ipsec_mask_saptr(void *ptr)
101 uintptr_t i = (uintptr_t)ptr;
102 static const uintptr_t mask = IPSEC_SA_OFFLOAD_FALLBACK_FLAG;
106 return (struct ipsec_sa *)i;
110 struct rte_ipsec_session sessions[IPSEC_SESSION_MAX];
115 uint32_t fallback_sessions;
116 enum rte_crypto_cipher_algorithm cipher_algo;
117 enum rte_crypto_auth_algorithm auth_algo;
118 enum rte_crypto_aead_algorithm aead_algo;
123 #define IP4_TUNNEL (1 << 0)
124 #define IP6_TUNNEL (1 << 1)
125 #define TRANSPORT (1 << 2)
126 #define IP4_TRANSPORT (1 << 3)
127 #define IP6_TRANSPORT (1 << 4)
130 uint8_t cipher_key[MAX_KEY_SIZE];
131 uint16_t cipher_key_len;
132 uint8_t auth_key[MAX_KEY_SIZE];
133 uint16_t auth_key_len;
136 struct rte_crypto_sym_xform *xforms;
137 struct rte_security_ipsec_xform *sec_xform;
139 enum rte_security_ipsec_sa_direction direction;
145 #define MAX_RTE_FLOW_PATTERN (4)
146 #define MAX_RTE_FLOW_ACTIONS (3)
147 struct rte_flow_item pattern[MAX_RTE_FLOW_PATTERN];
148 struct rte_flow_action action[MAX_RTE_FLOW_ACTIONS];
149 struct rte_flow_attr attr;
151 struct rte_flow_item_ipv4 ipv4_spec;
152 struct rte_flow_item_ipv6 ipv6_spec;
154 struct rte_flow_item_esp esp_spec;
155 struct rte_flow *flow;
156 struct rte_security_session_conf sess_conf;
157 } __rte_cache_aligned;
160 struct rte_crypto_sym_xform a;
161 struct rte_crypto_sym_xform b;
165 struct rte_ipsec_sad *sad_v4;
166 struct rte_ipsec_sad *sad_v6;
170 void *satbl; /* pointer to array of rte_ipsec_sa objects*/
171 struct ipsec_sad sad;
174 struct ipsec_sa sa[];
177 struct ipsec_mbuf_metadata {
179 struct rte_crypto_op cop;
180 struct rte_crypto_sym_op sym_cop;
182 } __rte_cache_aligned;
184 #define IS_TRANSPORT(flags) ((flags) & TRANSPORT)
186 #define IS_TUNNEL(flags) ((flags) & (IP4_TUNNEL | IP6_TUNNEL))
188 #define IS_IP4(flags) ((flags) & (IP4_TUNNEL | IP4_TRANSPORT))
190 #define IS_IP6(flags) ((flags) & (IP6_TUNNEL | IP6_TRANSPORT))
192 #define IS_IP4_TUNNEL(flags) ((flags) & IP4_TUNNEL)
194 #define IS_IP6_TUNNEL(flags) ((flags) & IP6_TUNNEL)
197 * Macro for getting ipsec_sa flags statuses without version of protocol
198 * used for transport (IP4_TRANSPORT and IP6_TRANSPORT flags).
200 #define WITHOUT_TRANSPORT_VERSION(flags) \
201 ((flags) & (IP4_TUNNEL | \
210 struct rte_crypto_op *buf[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
214 struct rte_hash *cdev_map;
215 struct sp_ctx *sp4_ctx;
216 struct sp_ctx *sp6_ctx;
217 struct sa_ctx *sa_ctx;
220 struct cdev_qp tbl[MAX_QP_PER_LCORE];
221 struct rte_mempool *session_pool;
222 struct rte_mempool *session_priv_pool;
223 struct rte_mbuf *ol_pkts[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
224 uint16_t ol_pkts_cnt;
225 uint64_t ipv4_offloads;
226 uint64_t ipv6_offloads;
237 struct sa_ctx *sa_in;
238 struct sa_ctx *sa_out;
239 struct sp_ctx *sp_ip4_in;
240 struct sp_ctx *sp_ip4_out;
241 struct sp_ctx *sp_ip6_in;
242 struct sp_ctx *sp_ip6_out;
243 struct rt_ctx *rt_ip4;
244 struct rt_ctx *rt_ip6;
245 struct rte_mempool *mbuf_pool;
246 struct rte_mempool *mbuf_pool_indir;
247 struct rte_mempool *session_pool;
248 struct rte_mempool *session_priv_pool;
258 extern struct socket_ctx socket_ctx[NB_SOCKETS];
261 ipsec_poll_mode_worker(void);
264 ipsec_launch_one_lcore(void *args);
266 extern struct ipsec_sa *sa_out;
267 extern uint32_t nb_sa_out;
269 extern struct ipsec_sa *sa_in;
270 extern uint32_t nb_sa_in;
273 ipsec_inbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
274 uint16_t nb_pkts, uint16_t len);
277 ipsec_outbound(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
278 uint32_t sa_idx[], uint16_t nb_pkts, uint16_t len);
281 ipsec_inbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
285 ipsec_outbound_cqp_dequeue(struct ipsec_ctx *ctx, struct rte_mbuf *pkts[],
289 ipsec_process(struct ipsec_ctx *ctx, struct ipsec_traffic *trf);
292 ipsec_cqp_process(struct ipsec_ctx *ctx, struct ipsec_traffic *trf);
294 static inline uint16_t
295 ipsec_metadata_size(void)
297 return sizeof(struct ipsec_mbuf_metadata);
300 static inline struct ipsec_mbuf_metadata *
301 get_priv(struct rte_mbuf *m)
303 return rte_mbuf_to_priv(m);
307 get_cnt_blk(struct rte_mbuf *m)
309 struct ipsec_mbuf_metadata *priv = get_priv(m);
311 return &priv->buf[0];
315 get_aad(struct rte_mbuf *m)
317 struct ipsec_mbuf_metadata *priv = get_priv(m);
319 return &priv->buf[16];
323 get_sym_cop(struct rte_crypto_op *cop)
328 static inline struct rte_ipsec_session *
329 ipsec_get_primary_session(struct ipsec_sa *sa)
331 return &sa->sessions[IPSEC_SESSION_PRIMARY];
334 static inline struct rte_ipsec_session *
335 ipsec_get_fallback_session(struct ipsec_sa *sa)
337 return &sa->sessions[IPSEC_SESSION_FALLBACK];
340 static inline enum rte_security_session_action_type
341 ipsec_get_action_type(struct ipsec_sa *sa)
343 struct rte_ipsec_session *ips;
344 ips = ipsec_get_primary_session(sa);
349 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx);
352 inbound_sa_lookup(struct sa_ctx *sa_ctx, struct rte_mbuf *pkts[],
353 void *sa[], uint16_t nb_pkts);
356 outbound_sa_lookup(struct sa_ctx *sa_ctx, uint32_t sa_idx[],
357 void *sa[], uint16_t nb_pkts);
360 sp4_init(struct socket_ctx *ctx, int32_t socket_id);
363 sp6_init(struct socket_ctx *ctx, int32_t socket_id);
366 * Search through SP rules for given SPI.
367 * Returns first rule index if found(greater or equal then zero),
368 * or -ENOENT otherwise.
371 sp4_spi_present(uint32_t spi, int inbound, struct ip_addr ip_addr[2],
374 sp6_spi_present(uint32_t spi, int inbound, struct ip_addr ip_addr[2],
378 * Search through SA entries for given SPI.
379 * Returns first entry index if found(greater or equal then zero),
380 * or -ENOENT otherwise.
383 sa_spi_present(struct sa_ctx *sa_ctx, uint32_t spi, int inbound);
386 sa_init(struct socket_ctx *ctx, int32_t socket_id);
389 rt_init(struct socket_ctx *ctx, int32_t socket_id);
392 sa_check_offloads(uint16_t port_id, uint64_t *rx_offloads,
393 uint64_t *tx_offloads);
396 add_dst_ethaddr(uint16_t port, const struct rte_ether_addr *addr);
399 enqueue_cop_burst(struct cdev_qp *cqp);
402 create_lookaside_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa,
403 struct rte_ipsec_session *ips);
406 create_inline_session(struct socket_ctx *skt_ctx, struct ipsec_sa *sa,
407 struct rte_ipsec_session *ips);
409 check_flow_params(uint16_t fdir_portid, uint8_t fdir_qid);
412 create_ipsec_esp_flow(struct ipsec_sa *sa);
415 get_nb_crypto_sessions(void);
417 #endif /* __IPSEC_H__ */