#define __IPSEC_H__
#include <vnet/ip/ip.h>
+#include <vnet/crypto/crypto.h>
#include <vnet/feature/feature.h>
-#include <openssl/hmac.h>
-#include <openssl/rand.h>
-#include <openssl/evp.h>
-
#include <vppinfra/types.h>
#include <vppinfra/cache.h>
#include <vnet/ipsec/ipsec_spd.h>
#include <vnet/ipsec/ipsec_spd_policy.h>
#include <vnet/ipsec/ipsec_sa.h>
-#include <vnet/ipsec/ipsec_if.h>
-#include <vnet/ipsec/ipsec_io.h>
+
+#include <vppinfra/bihash_8_16.h>
+
+#include <vppinfra/bihash_24_16.h>
typedef clib_error_t *(*add_del_sa_sess_cb_t) (u32 sa_index, u8 is_add);
typedef clib_error_t *(*check_support_cb_t) (ipsec_sa_t * sa);
+typedef clib_error_t *(*enable_disable_cb_t) (int is_enable);
typedef struct
{
add_del_sa_sess_cb_t add_del_sa_sess_cb;
/* check support function */
check_support_cb_t check_support_cb;
+ /* enable or disable function */
+ enable_disable_cb_t enable_disable_cb;
u32 esp4_encrypt_node_index;
u32 esp4_decrypt_node_index;
u32 esp4_encrypt_next_index;
u32 esp6_decrypt_node_index;
u32 esp6_encrypt_next_index;
u32 esp6_decrypt_next_index;
+ u32 esp4_decrypt_tun_node_index;
+ u32 esp4_decrypt_tun_next_index;
+ u32 esp4_encrypt_tun_node_index;
+ u32 esp6_decrypt_tun_node_index;
+ u32 esp6_decrypt_tun_next_index;
+ u32 esp6_encrypt_tun_node_index;
+ u32 esp_mpls_encrypt_tun_node_index;
} ipsec_esp_backend_t;
typedef struct
{
- const EVP_CIPHER *type;
+ vnet_crypto_op_id_t enc_op_id;
+ vnet_crypto_op_id_t dec_op_id;
+ vnet_crypto_alg_t alg;
u8 iv_size;
- u8 block_size;
-} ipsec_proto_main_crypto_alg_t;
+ u8 block_align;
+ u8 icv_size;
+} ipsec_main_crypto_alg_t;
typedef struct
{
- const EVP_MD *md;
- u8 trunc_size;
-} ipsec_proto_main_integ_alg_t;
+ vnet_crypto_op_id_t op_id;
+ vnet_crypto_alg_t alg;
+ u8 icv_size;
+} ipsec_main_integ_alg_t;
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
- EVP_CIPHER_CTX *encrypt_ctx;
-#else
- EVP_CIPHER_CTX encrypt_ctx;
-#endif
- CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
- EVP_CIPHER_CTX *decrypt_ctx;
-#else
- EVP_CIPHER_CTX decrypt_ctx;
-#endif
- CLIB_CACHE_LINE_ALIGN_MARK (cacheline2);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
- HMAC_CTX *hmac_ctx;
-#else
- HMAC_CTX hmac_ctx;
-#endif
- ipsec_crypto_alg_t last_encrypt_alg;
- ipsec_crypto_alg_t last_decrypt_alg;
- ipsec_integ_alg_t last_integ_alg;
-} ipsec_proto_main_per_thread_data_t;
-
-typedef struct
-{
- ipsec_proto_main_crypto_alg_t *ipsec_proto_main_crypto_algs;
- ipsec_proto_main_integ_alg_t *ipsec_proto_main_integ_algs;
- ipsec_proto_main_per_thread_data_t *per_thread_data;
-} ipsec_proto_main_t;
-
-extern ipsec_proto_main_t ipsec_proto_main;
+ vnet_crypto_op_t *crypto_ops;
+ vnet_crypto_op_t *integ_ops;
+ vnet_crypto_op_t *chained_crypto_ops;
+ vnet_crypto_op_t *chained_integ_ops;
+ vnet_crypto_op_chunk_t *chunks;
+} ipsec_per_thread_data_t;
typedef struct
{
/* pool of tunnel instances */
ipsec_spd_t *spds;
+ /* Pool of security associations */
ipsec_sa_t *sad;
+ /* pool of policies */
+ ipsec_policy_t *policies;
- /* pool of tunnel interfaces */
- ipsec_tunnel_if_t *tunnel_interfaces;
- u32 *free_tunnel_if_indices;
-
- u32 **empty_buffers;
+ /* hash tables of UDP port registrations */
+ uword *udp_port_registrations;
uword *tunnel_index_by_key;
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
- /* next node indices */
- u32 feature_next_node_index[32];
-
/* hashes */
uword *spd_index_by_spd_id;
uword *spd_index_by_sw_if_index;
uword *sa_index_by_sa_id;
- uword *ipsec_if_pool_index_by_key;
+ uword *ipsec4_if_pool_index_by_key;
+ uword *ipsec6_if_pool_index_by_key;
uword *ipsec_if_real_dev_by_show_dev;
+ uword *ipsec_if_by_sw_if_index;
+
+ clib_bihash_8_16_t tun4_protect_by_key;
+ clib_bihash_24_16_t tun6_protect_by_key;
/* node indices */
u32 error_drop_node_index;
u32 esp4_encrypt_node_index;
u32 esp4_decrypt_node_index;
+ u32 esp4_decrypt_tun_node_index;
+ u32 esp4_encrypt_tun_node_index;
u32 ah4_encrypt_node_index;
u32 ah4_decrypt_node_index;
u32 esp6_encrypt_node_index;
u32 esp6_decrypt_node_index;
+ u32 esp6_decrypt_tun_node_index;
+ u32 esp6_encrypt_tun_node_index;
+ u32 esp_mpls_encrypt_tun_node_index;
u32 ah6_encrypt_node_index;
u32 ah6_decrypt_node_index;
/* next node indices */
u32 esp4_encrypt_next_index;
u32 esp4_decrypt_next_index;
+ u32 esp4_decrypt_tun_next_index;
u32 ah4_encrypt_next_index;
u32 ah4_decrypt_next_index;
u32 esp6_encrypt_next_index;
u32 esp6_decrypt_next_index;
+ u32 esp6_decrypt_tun_next_index;
u32 ah6_encrypt_next_index;
u32 ah6_decrypt_next_index;
+ /* tun nodes to drop packets when no crypto alg set on outbound SA */
+ u32 esp4_no_crypto_tun_node_index;
+ u32 esp6_no_crypto_tun_node_index;
+
+ /* tun nodes for encrypt on L2 interfaces */
+ u32 esp4_encrypt_l2_tun_node_index;
+ u32 esp6_encrypt_l2_tun_node_index;
+
/* pool of ah backends */
ipsec_ah_backend_t *ah_backends;
/* pool of esp backends */
/* index of default esp backend */
u32 esp_default_backend;
- /* helper for sort function */
- ipsec_spd_t *spd_to_sort;
+ /* crypto alg data */
+ ipsec_main_crypto_alg_t *crypto_algs;
+
+ /* crypto integ data */
+ ipsec_main_integ_alg_t *integ_algs;
+
+ /* per-thread data */
+ ipsec_per_thread_data_t *ptd;
+
+ /** Worker handoff */
+ u32 ah4_enc_fq_index;
+ u32 ah4_dec_fq_index;
+ u32 ah6_enc_fq_index;
+ u32 ah6_dec_fq_index;
+
+ u32 esp4_enc_fq_index;
+ u32 esp4_dec_fq_index;
+ u32 esp6_enc_fq_index;
+ u32 esp6_dec_fq_index;
+ u32 esp4_enc_tun_fq_index;
+ u32 esp6_enc_tun_fq_index;
+ u32 esp_mpls_enc_tun_fq_index;
+ u32 esp4_dec_tun_fq_index;
+ u32 esp6_dec_tun_fq_index;
+
+ u8 async_mode;
} ipsec_main_t;
+typedef enum ipsec_format_flags_t_
+{
+ IPSEC_FORMAT_BRIEF = 0,
+ IPSEC_FORMAT_DETAIL = (1 << 0),
+ IPSEC_FORMAT_INSECURE = (1 << 1),
+} ipsec_format_flags_t;
+
extern ipsec_main_t ipsec_main;
clib_error_t *ipsec_add_del_sa_sess_cb (ipsec_main_t * im, u32 sa_index,
clib_error_t *ipsec_check_support_cb (ipsec_main_t * im, ipsec_sa_t * sa);
-extern vlib_node_registration_t esp4_encrypt_node;
-extern vlib_node_registration_t esp4_decrypt_node;
extern vlib_node_registration_t ah4_encrypt_node;
extern vlib_node_registration_t ah4_decrypt_node;
-extern vlib_node_registration_t esp6_encrypt_node;
-extern vlib_node_registration_t esp6_decrypt_node;
extern vlib_node_registration_t ah6_encrypt_node;
extern vlib_node_registration_t ah6_decrypt_node;
-extern vlib_node_registration_t ipsec_if_input_node;
+extern vlib_node_registration_t esp4_encrypt_node;
+extern vlib_node_registration_t esp4_decrypt_node;
+extern vlib_node_registration_t esp6_encrypt_node;
+extern vlib_node_registration_t esp6_decrypt_node;
+extern vlib_node_registration_t esp4_encrypt_tun_node;
+extern vlib_node_registration_t esp6_encrypt_tun_node;
+extern vlib_node_registration_t esp_mpls_encrypt_tun_node;
+extern vlib_node_registration_t esp4_decrypt_tun_node;
+extern vlib_node_registration_t esp6_decrypt_tun_node;
+extern vlib_node_registration_t ipsec4_tun_input_node;
+extern vlib_node_registration_t ipsec6_tun_input_node;
/*
* functions
* inline functions
*/
-always_inline void
-ipsec_alloc_empty_buffers (vlib_main_t * vm, ipsec_main_t * im)
-{
- u32 thread_index = vm->thread_index;
- uword l = vec_len (im->empty_buffers[thread_index]);
- uword n_alloc = 0;
-
- if (PREDICT_FALSE (l < VLIB_FRAME_SIZE))
- {
- if (!im->empty_buffers[thread_index])
- {
- vec_alloc (im->empty_buffers[thread_index], 2 * VLIB_FRAME_SIZE);
- }
-
- n_alloc = vlib_buffer_alloc (vm, im->empty_buffers[thread_index] + l,
- 2 * VLIB_FRAME_SIZE - l);
-
- _vec_len (im->empty_buffers[thread_index]) = l + n_alloc;
- }
-}
-
static_always_inline u32
get_next_output_feature_node_index (vlib_buffer_t * b,
vlib_node_runtime_t * nr)
check_support_cb_t ah_check_support_cb,
add_del_sa_sess_cb_t ah_add_del_sa_sess_cb);
-u32 ipsec_register_esp_backend (vlib_main_t * vm, ipsec_main_t * im,
- const char *name,
- const char *esp4_encrypt_node_name,
- const char *esp4_decrypt_node_name,
- const char *esp6_encrypt_node_name,
- const char *esp6_decrypt_node_name,
- check_support_cb_t esp_check_support_cb,
- add_del_sa_sess_cb_t esp_add_del_sa_sess_cb);
+u32 ipsec_register_esp_backend (
+ vlib_main_t *vm, ipsec_main_t *im, const char *name,
+ const char *esp4_encrypt_node_name, const char *esp4_encrypt_tun_node_name,
+ const char *esp4_decrypt_node_name, const char *esp4_decrypt_tun_node_name,
+ const char *esp6_encrypt_node_name, const char *esp6_encrypt_tun_node_name,
+ const char *esp6_decrypt_node_name, const char *esp6_decrypt_tun_node_name,
+ const char *esp_mpls_encrypt_tun_node_name,
+ check_support_cb_t esp_check_support_cb,
+ add_del_sa_sess_cb_t esp_add_del_sa_sess_cb,
+ enable_disable_cb_t enable_disable_cb);
int ipsec_select_ah_backend (ipsec_main_t * im, u32 ah_backend_idx);
int ipsec_select_esp_backend (ipsec_main_t * im, u32 esp_backend_idx);
+
+clib_error_t *ipsec_rsc_in_use (ipsec_main_t * im);
+void ipsec_set_async_mode (u32 is_enabled);
+
+always_inline ipsec_sa_t *
+ipsec_sa_get (u32 sa_index)
+{
+ return (pool_elt_at_index (ipsec_main.sad, sa_index));
+}
+
+void ipsec_add_feature (const char *arc_name, const char *node_name,
+ u32 * out_feature_index);
+
+void ipsec_set_async_mode (u32 is_enabled);
+extern void ipsec_register_udp_port (u16 udp_port);
+extern void ipsec_unregister_udp_port (u16 udp_port);
+
#endif /* __IPSEC_H__ */
/*
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