diff options
Diffstat (limited to 'src/vnet/ipsec/ipsec.h')
| -rw-r--r-- | src/vnet/ipsec/ipsec.h | 145 |
1 files changed, 104 insertions, 41 deletions
diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h index 6a9c5b1c824..ced71194f39 100644 --- a/src/vnet/ipsec/ipsec.h +++ b/src/vnet/ipsec/ipsec.h @@ -20,8 +20,8 @@ #define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0) -#define foreach_ipsec_output_next \ - _ (DROP, "error-drop") \ +#define foreach_ipsec_output_next \ + _ (DROP, "error-drop") \ _ (ESP4_ENCRYPT, "esp4-encrypt") \ _ (AH4_ENCRYPT, "ah4-encrypt") \ _ (ESP6_ENCRYPT, "esp6-encrypt") \ @@ -35,8 +35,8 @@ typedef enum IPSEC_OUTPUT_N_NEXT, } ipsec_output_next_t; -#define foreach_ipsec_input_next \ - _ (DROP, "error-drop") \ +#define foreach_ipsec_input_next \ + _ (DROP, "error-drop") \ _ (ESP4_DECRYPT, "esp4-decrypt") \ _ (AH4_DECRYPT, "ah4-decrypt") \ _ (ESP6_DECRYPT, "esp6-decrypt") \ @@ -50,55 +50,54 @@ typedef enum IPSEC_INPUT_N_NEXT, } ipsec_input_next_t; - #define foreach_ipsec_policy_action \ - _(0, BYPASS, "bypass") \ - _(1, DISCARD, "discard") \ - _(2, RESOLVE, "resolve") \ - _(3, PROTECT, "protect") + _ (0, BYPASS, "bypass") \ + _ (1, DISCARD, "discard") \ + _ (2, RESOLVE, "resolve") \ + _ (3, PROTECT, "protect") typedef enum { -#define _(v,f,s) IPSEC_POLICY_ACTION_##f = v, +#define _(v, f, s) IPSEC_POLICY_ACTION_##f = v, foreach_ipsec_policy_action #undef _ IPSEC_POLICY_N_ACTION, } ipsec_policy_action_t; -#define foreach_ipsec_crypto_alg \ - _(0, NONE, "none") \ - _(1, AES_CBC_128, "aes-cbc-128") \ - _(2, AES_CBC_192, "aes-cbc-192") \ - _(3, AES_CBC_256, "aes-cbc-256") \ - _(4, AES_CTR_128, "aes-ctr-128") \ - _(5, AES_CTR_192, "aes-ctr-192") \ - _(6, AES_CTR_256, "aes-ctr-256") \ - _(7, AES_GCM_128, "aes-gcm-128") \ - _(8, AES_GCM_192, "aes-gcm-192") \ - _(9, AES_GCM_256, "aes-gcm-256") \ - _(10, DES_CBC, "des-cbc") \ - _(11, 3DES_CBC, "3des-cbc") +#define foreach_ipsec_crypto_alg \ + _ (0, NONE, "none") \ + _ (1, AES_CBC_128, "aes-cbc-128") \ + _ (2, AES_CBC_192, "aes-cbc-192") \ + _ (3, AES_CBC_256, "aes-cbc-256") \ + _ (4, AES_CTR_128, "aes-ctr-128") \ + _ (5, AES_CTR_192, "aes-ctr-192") \ + _ (6, AES_CTR_256, "aes-ctr-256") \ + _ (7, AES_GCM_128, "aes-gcm-128") \ + _ (8, AES_GCM_192, "aes-gcm-192") \ + _ (9, AES_GCM_256, "aes-gcm-256") \ + _ (10, DES_CBC, "des-cbc") \ + _ (11, 3DES_CBC, "3des-cbc") typedef enum { -#define _(v,f,s) IPSEC_CRYPTO_ALG_##f = v, +#define _(v, f, s) IPSEC_CRYPTO_ALG_##f = v, foreach_ipsec_crypto_alg #undef _ IPSEC_CRYPTO_N_ALG, } ipsec_crypto_alg_t; -#define foreach_ipsec_integ_alg \ - _(0, NONE, "none") \ - _(1, MD5_96, "md5-96") /* RFC2403 */ \ - _(2, SHA1_96, "sha1-96") /* RFC2404 */ \ - _(3, SHA_256_96, "sha-256-96") /* draft-ietf-ipsec-ciph-sha-256-00 */ \ - _(4, SHA_256_128, "sha-256-128") /* RFC4868 */ \ - _(5, SHA_384_192, "sha-384-192") /* RFC4868 */ \ - _(6, SHA_512_256, "sha-512-256") /* RFC4868 */ +#define foreach_ipsec_integ_alg \ + _ (0, NONE, "none") \ + _ (1, MD5_96, "md5-96") /* RFC2403 */ \ + _ (2, SHA1_96, "sha1-96") /* RFC2404 */ \ + _ (3, SHA_256_96, "sha-256-96") /* draft-ietf-ipsec-ciph-sha-256-00 */ \ + _ (4, SHA_256_128, "sha-256-128") /* RFC4868 */ \ + _ (5, SHA_384_192, "sha-384-192") /* RFC4868 */ \ + _ (6, SHA_512_256, "sha-512-256") /* RFC4868 */ typedef enum { -#define _(v,f,s) IPSEC_INTEG_ALG_##f = v, +#define _(v, f, s) IPSEC_INTEG_ALG_##f = v, foreach_ipsec_integ_alg #undef _ IPSEC_INTEG_N_ALG, @@ -142,7 +141,7 @@ typedef struct u32 last_seq_hi; u64 replay_window; - /*lifetime data */ + /* lifetime data */ u64 total_data_size; } ipsec_sa_t; @@ -254,11 +253,42 @@ typedef struct u32 show_instance; } ipsec_tunnel_if_t; +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 struct { - clib_error_t *(*add_del_sa_sess_cb) (u32 sa_index, u8 is_add); - clib_error_t *(*check_support_cb) (ipsec_sa_t * sa); -} ipsec_main_callbacks_t; + u8 *name; + /* add/del callback */ + add_del_sa_sess_cb_t add_del_sa_sess_cb; + /* check support function */ + check_support_cb_t check_support_cb; + u32 ah4_encrypt_node_index; + u32 ah4_decrypt_node_index; + u32 ah4_encrypt_next_index; + u32 ah4_decrypt_next_index; + u32 ah6_encrypt_node_index; + u32 ah6_decrypt_node_index; + u32 ah6_encrypt_next_index; + u32 ah6_decrypt_next_index; +} ipsec_ah_backend_t; + +typedef struct +{ + u8 *name; + /* add/del callback */ + add_del_sa_sess_cb_t add_del_sa_sess_cb; + /* check support function */ + check_support_cb_t check_support_cb; + u32 esp4_encrypt_node_index; + u32 esp4_decrypt_node_index; + u32 esp4_encrypt_next_index; + u32 esp4_decrypt_next_index; + u32 esp6_encrypt_node_index; + u32 esp6_decrypt_node_index; + u32 esp6_encrypt_next_index; + u32 esp6_decrypt_next_index; +} ipsec_esp_backend_t; typedef struct { @@ -308,8 +338,18 @@ typedef struct u32 ah6_encrypt_next_index; u32 ah6_decrypt_next_index; - /* callbacks */ - ipsec_main_callbacks_t cb; + /* pool of ah backends */ + ipsec_ah_backend_t *ah_backends; + /* pool of esp backends */ + ipsec_esp_backend_t *esp_backends; + /* index of current ah backend */ + u32 ah_current_backend; + /* index of current esp backend */ + u32 esp_current_backend; + /* index of default ah backend */ + u32 ah_default_backend; + /* index of default esp backend */ + u32 esp_default_backend; /* helper for sort function */ ipsec_spd_t *spd_to_sort; @@ -317,6 +357,11 @@ typedef struct extern ipsec_main_t ipsec_main; +clib_error_t *ipsec_add_del_sa_sess_cb (ipsec_main_t * im, u32 sa_index, + u8 is_add); + +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; @@ -327,7 +372,6 @@ 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; - /* * functions */ @@ -361,7 +405,6 @@ int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index, int ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index, u32 sa_id, u8 is_outbound); - /* * inline functions */ @@ -399,6 +442,26 @@ get_next_output_feature_node_index (vlib_buffer_t * b, return node->next_nodes[next]; } +u32 ipsec_register_ah_backend (vlib_main_t * vm, ipsec_main_t * im, + const char *name, + const char *ah4_encrypt_node_name, + const char *ah4_decrypt_node_name, + const char *ah6_encrypt_node_name, + const char *ah6_decrypt_node_name, + 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); + +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); #endif /* __IPSEC_H__ */ /* |