#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 <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
+{
+ u64 key[2]; // 16 bytes
+ u64 value;
+ i32 bucket_lock;
+ u32 un_used;
+} ipsec4_hash_kv_16_8_t;
+
+typedef union
+{
+ struct
+ {
+ ip4_address_t ip4_addr[2];
+ u16 port[2];
+ u8 proto;
+ u8 pad[3];
+ };
+ ipsec4_hash_kv_16_8_t kv_16_8;
+} ipsec4_spd_5tuple_t;
+
+typedef union
+{
+ struct
+ {
+ ip4_address_t ip4_src_addr;
+ ip4_address_t ip4_dest_addr;
+ ipsec_spd_policy_type_t policy_type;
+ u8 pad[4];
+ }; // 16 bytes total
+ ipsec4_hash_kv_16_8_t kv_16_8;
+} ipsec4_inbound_spd_tuple_t;
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;
+ vnet_crypto_async_frame_t **async_frames;
+} 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 ipv4_fp_spd_is_enabled;
+ u32 ipv6_fp_spd_is_enabled;
+
+ ipsec_fp_mask_type_entry_t *fp_mask_types;
+ u32 fp_lookup_hash_buckets; /* number of buckets should be power of two */
- u32 **empty_buffers;
+ /* hash tables of UDP port registrations */
+ uword *udp_port_registrations;
uword *tunnel_index_by_key;
+ /* next_header protocol registration */
+ u16 *next_header_registrations;
+
/* convenience */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
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;
- u32 *ipsec_if_by_sw_if_index;
+ uword *ipsec_if_by_sw_if_index;
+
+ ipsec4_hash_kv_16_8_t *ipsec4_out_spd_hash_tbl;
+ ipsec4_hash_kv_16_8_t *ipsec4_in_spd_hash_tbl;
+ 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;
u32 ah_default_backend;
/* index of default esp backend */
u32 esp_default_backend;
+
+ /* 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;
+
+ /* Number of buckets for flow cache */
+ u32 ipsec4_out_spd_hash_num_buckets;
+ u32 ipsec4_out_spd_flow_cache_entries;
+ u32 epoch_count;
+ u8 output_flow_cache_flag;
+
+ u32 ipsec4_in_spd_hash_num_buckets;
+ u32 ipsec4_in_spd_flow_cache_entries;
+ u32 input_epoch_count;
+ u8 input_flow_cache_flag;
+
+ u8 async_mode;
+ u16 msg_id_base;
} 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 ipsec4_tun_input_node;
+extern vlib_node_registration_t ipsec6_tun_input_node;
/*
* functions
*/
-u8 *format_ipsec_replay_window (u8 * s, va_list * args);
/*
* 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)
return node->next_nodes[next];
}
+static_always_inline u64
+ipsec4_hash_16_8 (ipsec4_hash_kv_16_8_t *v)
+{
+#ifdef clib_crc32c_uses_intrinsics
+ return clib_crc32c ((u8 *) v->key, 16);
+#else
+ u64 tmp = v->key[0] ^ v->key[1];
+ return clib_xxhash (tmp);
+#endif
+}
+
+static_always_inline int
+ipsec4_hash_key_compare_16_8 (u64 *a, u64 *b)
+{
+#if defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE)
+ u64x2 v;
+ v = u64x2_load_unaligned (a) ^ u64x2_load_unaligned (b);
+ return u64x2_is_all_zero (v);
+#else
+ return ((a[0] ^ b[0]) | (a[1] ^ b[1])) == 0;
+#endif
+}
+
+/* clib_spinlock_lock is not used to save another memory indirection */
+static_always_inline void
+ipsec_spinlock_lock (i32 *lock)
+{
+ i32 free = 0;
+ while (!clib_atomic_cmp_and_swap_acq_relax_n (lock, &free, 1, 0))
+ {
+ /* atomic load limits number of compare_exchange executions */
+ while (clib_atomic_load_relax_n (lock))
+ CLIB_PAUSE ();
+ /* on failure, compare_exchange writes lock into free */
+ free = 0;
+ }
+}
+
+static_always_inline void
+ipsec_spinlock_unlock (i32 *lock)
+{
+ /* Make sure all reads/writes are complete before releasing the lock */
+ clib_atomic_release (lock);
+}
+
u32 ipsec_register_ah_backend (vlib_main_t * vm, ipsec_main_t * im,
const char *name,
const char *ah4_encrypt_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);
+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);
+
+extern void ipsec_register_udp_port (u16 udp_port);
+extern void ipsec_unregister_udp_port (u16 udp_port);
+
+extern clib_error_t *ipsec_register_next_header (vlib_main_t *vm,
+ u8 next_header,
+ const char *next_node);
+
#endif /* __IPSEC_H__ */
/*
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