#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") \
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") \
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,
u32 last_seq_hi;
u64 replay_window;
- /*lifetime data */
+ /* lifetime data */
u64 total_data_size;
} ipsec_sa_t;
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
{
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;
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;
extern vlib_node_registration_t ah6_decrypt_node;
extern vlib_node_registration_t ipsec_if_input_node;
-
/*
* functions
*/
int ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index, u32 sa_id,
u8 is_outbound);
-
/*
* inline functions
*/
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__ */
/*
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