X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fvnet%2Fipsec%2Fipsec.h;h=ced71194f396541a0453f4e090a7bd1239326e88;hp=58f0f145a5a2c242de0676a59dd31dc3fbbfe46d;hb=b4d3053;hpb=cb33dc2d7a566d571c86b950b4aa92dd7ae01c3c diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h index 58f0f145a5a..ced71194f39 100644 --- a/src/vnet/ipsec/ipsec.h +++ b/src/vnet/ipsec/ipsec.h @@ -15,12 +15,17 @@ #ifndef __IPSEC_H__ #define __IPSEC_H__ -#define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0) +#include +#include +#define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0) -#define foreach_ipsec_output_next \ -_(DROP, "error-drop") \ -_(ESP_ENCRYPT, "esp-encrypt") +#define foreach_ipsec_output_next \ + _ (DROP, "error-drop") \ + _ (ESP4_ENCRYPT, "esp4-encrypt") \ + _ (AH4_ENCRYPT, "ah4-encrypt") \ + _ (ESP6_ENCRYPT, "esp6-encrypt") \ + _ (AH6_ENCRYPT, "ah6-encrypt") #define _(v, s) IPSEC_OUTPUT_NEXT_##v, typedef enum @@ -30,10 +35,12 @@ typedef enum IPSEC_OUTPUT_N_NEXT, } ipsec_output_next_t; - -#define foreach_ipsec_input_next \ -_(DROP, "error-drop") \ -_(ESP_DECRYPT, "esp-decrypt") +#define foreach_ipsec_input_next \ + _ (DROP, "error-drop") \ + _ (ESP4_DECRYPT, "esp4-decrypt") \ + _ (AH4_DECRYPT, "ah4-decrypt") \ + _ (ESP6_DECRYPT, "esp6-decrypt") \ + _ (AH6_DECRYPT, "ah6-decrypt") #define _(v, s) IPSEC_INPUT_NEXT_##v, typedef enum @@ -43,49 +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_GCM_128, "aes-gcm-128") +#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 */ \ - _(7, AES_GCM_128, "aes-gcm-128") /* RFC4106 */ +#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, @@ -116,6 +128,7 @@ typedef struct u8 is_tunnel; u8 is_tunnel_ip6; + u8 udp_encap; ip46_address_t tunnel_src_addr; ip46_address_t tunnel_dst_addr; @@ -128,7 +141,7 @@ typedef struct u32 last_seq_hi; u64 replay_window; - /*lifetime data */ + /* lifetime data */ u64 total_data_size; } ipsec_sa_t; @@ -160,6 +173,9 @@ typedef struct u8 local_integ_key[128]; u8 remote_integ_key_len; u8 remote_integ_key[128]; + u8 renumber; + u32 show_instance; + u8 udp_encap; } ipsec_add_del_tunnel_args_t; typedef struct @@ -229,16 +245,50 @@ typedef struct typedef struct { + /* Required for pool_get_aligned */ + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); u32 input_sa_index; u32 output_sa_index; u32 hw_if_index; + 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 { - i32 (*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 { @@ -266,26 +316,61 @@ typedef struct uword *spd_index_by_sw_if_index; uword *sa_index_by_sa_id; uword *ipsec_if_pool_index_by_key; + uword *ipsec_if_real_dev_by_show_dev; - /* node indeces */ + /* node indices */ u32 error_drop_node_index; - u32 esp_encrypt_node_index; - u32 esp_decrypt_node_index; - /* next node indeces */ - u32 esp_encrypt_next_index; - u32 esp_decrypt_next_index; - - /* callbacks */ - ipsec_main_callbacks_t cb; + u32 esp4_encrypt_node_index; + u32 esp4_decrypt_node_index; + u32 ah4_encrypt_node_index; + u32 ah4_decrypt_node_index; + u32 esp6_encrypt_node_index; + u32 esp6_decrypt_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 ah4_encrypt_next_index; + u32 ah4_decrypt_next_index; + u32 esp6_encrypt_next_index; + u32 esp6_decrypt_next_index; + u32 ah6_encrypt_next_index; + u32 ah6_decrypt_next_index; + + /* 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; } ipsec_main_t; -ipsec_main_t ipsec_main; +extern ipsec_main_t ipsec_main; -extern vlib_node_registration_t esp_encrypt_node; -extern vlib_node_registration_t esp_decrypt_node; -extern vlib_node_registration_t ipsec_if_output_node; -extern vlib_node_registration_t ipsec_if_input_node; +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 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; /* * functions @@ -299,7 +384,7 @@ int ipsec_add_del_sa (vlib_main_t * vm, ipsec_sa_t * new_sa, int is_add); int ipsec_set_sa_key (vlib_main_t * vm, ipsec_sa_t * sa_update); u32 ipsec_get_sa_index_by_sa_id (u32 sa_id); -u8 *format_ipsec_if_output_trace (u8 * s, va_list * args); +u8 ipsec_is_sa_used (u32 sa_index); u8 *format_ipsec_policy_action (u8 * s, va_list * args); u8 *format_ipsec_crypto_alg (u8 * s, va_list * args); u8 *format_ipsec_integ_alg (u8 * s, va_list * args); @@ -308,14 +393,17 @@ uword unformat_ipsec_policy_action (unformat_input_t * input, va_list * args); uword unformat_ipsec_crypto_alg (unformat_input_t * input, va_list * args); uword unformat_ipsec_integ_alg (unformat_input_t * input, va_list * args); -/*u32 ipsec_add_del_tunnel_if (vnet_main_t * vnm, ipsec_add_del_tunnel_args_t * args); */ +int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm, + ipsec_add_del_tunnel_args_t * args, + u32 * sw_if_index); int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args); int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm, ipsec_add_del_ipsec_gre_tunnel_args_t * args); int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index, ipsec_if_set_key_type_t type, u8 alg, u8 * key); - +int ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index, u32 sa_id, + u8 is_outbound); /* * inline functions @@ -324,21 +412,21 @@ int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index, always_inline void ipsec_alloc_empty_buffers (vlib_main_t * vm, ipsec_main_t * im) { - u32 cpu_index = os_get_cpu_number (); - uword l = vec_len (im->empty_buffers[cpu_index]); + 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[cpu_index]) + if (!im->empty_buffers[thread_index]) { - vec_alloc (im->empty_buffers[cpu_index], 2 * VLIB_FRAME_SIZE); + vec_alloc (im->empty_buffers[thread_index], 2 * VLIB_FRAME_SIZE); } - n_alloc = vlib_buffer_alloc (vm, im->empty_buffers[cpu_index] + l, + n_alloc = vlib_buffer_alloc (vm, im->empty_buffers[thread_index] + l, 2 * VLIB_FRAME_SIZE - l); - _vec_len (im->empty_buffers[cpu_index]) = l + n_alloc; + _vec_len (im->empty_buffers[thread_index]) = l + n_alloc; } } @@ -347,14 +435,33 @@ get_next_output_feature_node_index (vlib_buffer_t * b, vlib_node_runtime_t * nr) { u32 next; - u32 sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_TX]; vlib_main_t *vm = vlib_get_main (); vlib_node_t *node = vlib_get_node (vm, nr->node_index); - vnet_feature_next (sw_if_index, &next, b); + vnet_feature_next (&next, 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__ */ /*