#ifndef __IPSEC_H__
#define __IPSEC_H__
+#include <vnet/ip/ip.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>
+
#define IPSEC_FLAG_IPSEC_GRE_TUNNEL (1 << 0)
+#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
+{
+ foreach_ipsec_output_next
+#undef _
+ IPSEC_OUTPUT_N_NEXT,
+} ipsec_output_next_t;
+
+#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
+{
+ foreach_ipsec_input_next
+#undef _
+ 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;
-#if DPDK_CRYPTO==1
-#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")
-#else
-#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")
-#endif
+#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;
-#if DPDK_CRYPTO==1
-#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")
-#else
-#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 */
-#endif
+#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,
u8 is_tunnel;
u8 is_tunnel_ip6;
+ u8 udp_encap;
ip46_address_t tunnel_src_addr;
ip46_address_t tunnel_dst_addr;
u32 last_seq;
u32 last_seq_hi;
u64 replay_window;
+
+ /* lifetime data */
+ u64 total_data_size;
} ipsec_sa_t;
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
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
+{
+ 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
+{
+ const EVP_CIPHER *type;
+ u8 iv_size;
+ u8 block_size;
+} ipsec_proto_main_crypto_alg_t;
+
+typedef struct
+{
+ const EVP_MD *md;
+ u8 trunc_size;
+} ipsec_proto_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;
+
typedef struct
{
/* pool of tunnel instances */
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 indexes */
+ /* node indices */
u32 error_drop_node_index;
- u32 ip4_lookup_node_index;
- u32 esp_encrypt_node_index;
-
+ 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
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);
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
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;
}
}
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__ */
/*