#include <vnet/api_errno.h>
#include <vnet/ip/ip.h>
#include <vnet/interface.h>
-#include <vnet/udp/udp.h>
+#include <vnet/udp/udp_local.h>
#include <vnet/ipsec/ipsec.h>
#include <vnet/ipsec/esp.h>
#include <vnet/ipsec/ah.h>
+#include <vnet/ipsec/ipsec_tun.h>
ipsec_main_t ipsec_main;
+esp_async_post_next_t esp_encrypt_async_next;
+esp_async_post_next_t esp_decrypt_async_next;
static clib_error_t *
ipsec_check_ah_support (ipsec_sa_t * sa)
}
void
-ipsec_add_feature (const char *arc_name,
- const char *node_name, u32 * out_feature_index)
+ipsec_unregister_udp_port (u16 port)
{
- u8 arc;
+ ipsec_main_t *im = &ipsec_main;
+ u32 n_regs;
+ uword *p;
+
+ p = hash_get (im->udp_port_registrations, port);
+
+ ASSERT (p);
+
+ n_regs = p[0];
+
+ if (0 == --n_regs)
+ {
+ udp_unregister_dst_port (vlib_get_main (), port, 1);
+ hash_unset (im->udp_port_registrations, port);
+ }
+ else
+ {
+ hash_unset (im->udp_port_registrations, port);
+ hash_set (im->udp_port_registrations, port, n_regs);
+ }
+}
+
+void
+ipsec_register_udp_port (u16 port)
+{
+ ipsec_main_t *im = &ipsec_main;
+ u32 n_regs;
+ uword *p;
+
+ p = hash_get (im->udp_port_registrations, port);
+
+ n_regs = (p ? p[0] : 0);
+
+ if (0 == n_regs++)
+ udp_register_dst_port (vlib_get_main (), port,
+ ipsec4_tun_input_node.index, 1);
- arc = vnet_get_feature_arc_index (arc_name);
- ASSERT (arc != (u8) ~ 0);
- *out_feature_index = vnet_get_feature_index (arc, node_name);
+ hash_unset (im->udp_port_registrations, port);
+ hash_set (im->udp_port_registrations, port, n_regs);
}
u32
}
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_node_tun_name,
- const char *esp4_decrypt_node_name,
- const char *esp4_decrypt_tun_node_name,
- const char *esp6_encrypt_node_name,
- const char *esp6_encrypt_node_tun_name,
- const char *esp6_decrypt_node_name,
- const char *esp6_decrypt_tun_node_name,
- check_support_cb_t esp_check_support_cb,
- add_del_sa_sess_cb_t esp_add_del_sa_sess_cb)
+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_node_tun_name,
+ const char *esp4_decrypt_node_name, const char *esp4_decrypt_tun_node_name,
+ const char *esp6_encrypt_node_name, const char *esp6_encrypt_node_tun_name,
+ const char *esp6_decrypt_node_name, const char *esp6_decrypt_tun_node_name,
+ const char *esp_mpls_encrypt_node_tun_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)
{
ipsec_esp_backend_t *b;
&b->esp6_decrypt_tun_node_index,
&b->esp6_decrypt_tun_next_index);
- ipsec_add_feature ("ip4-output", esp4_encrypt_node_tun_name,
- &b->esp44_encrypt_tun_feature_index);
- ipsec_add_feature ("ip4-output", esp6_encrypt_node_tun_name,
- &b->esp46_encrypt_tun_feature_index);
- ipsec_add_feature ("ip6-output", esp6_encrypt_node_tun_name,
- &b->esp66_encrypt_tun_feature_index);
- ipsec_add_feature ("ip6-output", esp4_encrypt_node_tun_name,
- &b->esp64_encrypt_tun_feature_index);
+ b->esp6_encrypt_tun_node_index =
+ vlib_get_node_by_name (vm, (u8 *) esp6_encrypt_node_tun_name)->index;
+ b->esp_mpls_encrypt_tun_node_index =
+ vlib_get_node_by_name (vm, (u8 *) esp_mpls_encrypt_node_tun_name)->index;
+ b->esp4_encrypt_tun_node_index =
+ vlib_get_node_by_name (vm, (u8 *) esp4_encrypt_node_tun_name)->index;
b->check_support_cb = esp_check_support_cb;
b->add_del_sa_sess_cb = esp_add_del_sa_sess_cb;
+ b->enable_disable_cb = enable_disable_cb;
+
return b - im->esp_backends;
}
ipsec_rsc_in_use (ipsec_main_t * im)
{
/* return an error is crypto resource are in use */
- if (pool_elts (im->sad) > 0)
- return clib_error_return (0,
- "%d SA entries configured",
- pool_elts (im->sad));
+ if (pool_elts (ipsec_sa_pool) > 0)
+ return clib_error_return (0, "%d SA entries configured",
+ pool_elts (ipsec_sa_pool));
return (NULL);
}
if (pool_is_free_index (im->esp_backends, backend_idx))
return VNET_API_ERROR_INVALID_VALUE;
+ /* disable current backend */
+ if (im->esp_current_backend != ~0)
+ {
+ ipsec_esp_backend_t *cb = pool_elt_at_index (im->esp_backends,
+ im->esp_current_backend);
+ if (cb->enable_disable_cb)
+ {
+ if ((cb->enable_disable_cb) (0) != 0)
+ return -1;
+ }
+ }
+
ipsec_esp_backend_t *b = pool_elt_at_index (im->esp_backends, backend_idx);
im->esp_current_backend = backend_idx;
im->esp4_encrypt_node_index = b->esp4_encrypt_node_index;
im->esp4_decrypt_tun_next_index = b->esp4_decrypt_tun_next_index;
im->esp6_decrypt_tun_node_index = b->esp6_decrypt_tun_node_index;
im->esp6_decrypt_tun_next_index = b->esp6_decrypt_tun_next_index;
+ im->esp4_encrypt_tun_node_index = b->esp4_encrypt_tun_node_index;
+ im->esp6_encrypt_tun_node_index = b->esp6_encrypt_tun_node_index;
+ im->esp_mpls_encrypt_tun_node_index = b->esp_mpls_encrypt_tun_node_index;
- im->esp44_encrypt_tun_feature_index = b->esp44_encrypt_tun_feature_index;
- im->esp64_encrypt_tun_feature_index = b->esp64_encrypt_tun_feature_index;
- im->esp46_encrypt_tun_feature_index = b->esp46_encrypt_tun_feature_index;
- im->esp66_encrypt_tun_feature_index = b->esp66_encrypt_tun_feature_index;
-
+ if (b->enable_disable_cb)
+ {
+ if ((b->enable_disable_cb) (1) != 0)
+ return -1;
+ }
return 0;
}
+void
+ipsec_set_async_mode (u32 is_enabled)
+{
+ ipsec_main_t *im = &ipsec_main;
+ ipsec_sa_t *sa;
+
+ vnet_crypto_request_async_mode (is_enabled);
+
+ im->async_mode = is_enabled;
+
+ /* change SA crypto op data */
+ pool_foreach (sa, ipsec_sa_pool)
+ {
+ sa->crypto_op_data =
+ (is_enabled ? sa->async_op_data.data : sa->sync_op_data.data);
+ }
+}
+
+static void
+crypto_engine_backend_register_post_node (vlib_main_t * vm)
+{
+ esp_async_post_next_t *eit;
+ esp_async_post_next_t *dit;
+
+ eit = &esp_encrypt_async_next;
+ eit->esp4_post_next =
+ vnet_crypto_register_post_node (vm, "esp4-encrypt-post");
+ eit->esp6_post_next =
+ vnet_crypto_register_post_node (vm, "esp6-encrypt-post");
+ eit->esp4_tun_post_next =
+ vnet_crypto_register_post_node (vm, "esp4-encrypt-tun-post");
+ eit->esp6_tun_post_next =
+ vnet_crypto_register_post_node (vm, "esp6-encrypt-tun-post");
+ eit->esp_mpls_tun_post_next =
+ vnet_crypto_register_post_node (vm, "esp-mpls-encrypt-tun-post");
+
+ dit = &esp_decrypt_async_next;
+ dit->esp4_post_next =
+ vnet_crypto_register_post_node (vm, "esp4-decrypt-post");
+ dit->esp6_post_next =
+ vnet_crypto_register_post_node (vm, "esp6-decrypt-post");
+ dit->esp4_tun_post_next =
+ vnet_crypto_register_post_node (vm, "esp4-decrypt-tun-post");
+ dit->esp6_tun_post_next =
+ vnet_crypto_register_post_node (vm, "esp6-decrypt-tun-post");
+}
+
static clib_error_t *
ipsec_init (vlib_main_t * vm)
{
ASSERT (node);
im->error_drop_node_index = node->index;
+ im->ah_current_backend = ~0;
+ im->esp_current_backend = ~0;
+
u32 idx = ipsec_register_ah_backend (vm, im, "crypto engine backend",
"ah4-encrypt",
"ah4-decrypt",
ASSERT (0 == rv);
(void) (rv); // avoid warning
- idx = ipsec_register_esp_backend (vm, im, "crypto engine backend",
- "esp4-encrypt",
- "esp4-encrypt-tun",
- "esp4-decrypt",
- "esp4-decrypt-tun",
- "esp6-encrypt",
- "esp6-encrypt-tun",
- "esp6-decrypt",
- "esp6-decrypt-tun",
- ipsec_check_esp_support, NULL);
+ idx = ipsec_register_esp_backend (
+ vm, im, "crypto engine backend", "esp4-encrypt", "esp4-encrypt-tun",
+ "esp4-decrypt", "esp4-decrypt-tun", "esp6-encrypt", "esp6-encrypt-tun",
+ "esp6-decrypt", "esp6-decrypt-tun", "esp-mpls-encrypt-tun",
+ ipsec_check_esp_support, NULL, crypto_dispatch_enable_disable);
im->esp_default_backend = idx;
rv = ipsec_select_esp_backend (im, idx);
a->dec_op_id = VNET_CRYPTO_OP_NONE;
a->alg = VNET_CRYPTO_ALG_NONE;
a->iv_size = 0;
- a->block_size = 1;
+ a->block_align = 1;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_DES_CBC;
a->enc_op_id = VNET_CRYPTO_OP_DES_CBC_ENC;
a->dec_op_id = VNET_CRYPTO_OP_DES_CBC_DEC;
a->alg = VNET_CRYPTO_ALG_DES_CBC;
- a->iv_size = a->block_size = 8;
+ a->iv_size = a->block_align = 8;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_3DES_CBC;
a->enc_op_id = VNET_CRYPTO_OP_3DES_CBC_ENC;
a->dec_op_id = VNET_CRYPTO_OP_3DES_CBC_DEC;
a->alg = VNET_CRYPTO_ALG_3DES_CBC;
- a->iv_size = a->block_size = 8;
+ a->iv_size = a->block_align = 8;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CBC_128;
a->enc_op_id = VNET_CRYPTO_OP_AES_128_CBC_ENC;
a->dec_op_id = VNET_CRYPTO_OP_AES_128_CBC_DEC;
a->alg = VNET_CRYPTO_ALG_AES_128_CBC;
- a->iv_size = a->block_size = 16;
+ a->iv_size = a->block_align = 16;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CBC_192;
a->enc_op_id = VNET_CRYPTO_OP_AES_192_CBC_ENC;
a->dec_op_id = VNET_CRYPTO_OP_AES_192_CBC_DEC;
a->alg = VNET_CRYPTO_ALG_AES_192_CBC;
- a->iv_size = a->block_size = 16;
+ a->iv_size = a->block_align = 16;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CBC_256;
a->enc_op_id = VNET_CRYPTO_OP_AES_256_CBC_ENC;
a->dec_op_id = VNET_CRYPTO_OP_AES_256_CBC_DEC;
a->alg = VNET_CRYPTO_ALG_AES_256_CBC;
- a->iv_size = a->block_size = 16;
+ a->iv_size = a->block_align = 16;
+
+ a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CTR_128;
+ a->enc_op_id = VNET_CRYPTO_OP_AES_128_CTR_ENC;
+ a->dec_op_id = VNET_CRYPTO_OP_AES_128_CTR_DEC;
+ a->alg = VNET_CRYPTO_ALG_AES_128_CTR;
+ a->iv_size = 8;
+ a->block_align = 1;
+
+ a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CTR_192;
+ a->enc_op_id = VNET_CRYPTO_OP_AES_192_CTR_ENC;
+ a->dec_op_id = VNET_CRYPTO_OP_AES_192_CTR_DEC;
+ a->alg = VNET_CRYPTO_ALG_AES_192_CTR;
+ a->iv_size = 8;
+ a->block_align = 1;
+
+ a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CTR_256;
+ a->enc_op_id = VNET_CRYPTO_OP_AES_256_CTR_ENC;
+ a->dec_op_id = VNET_CRYPTO_OP_AES_256_CTR_DEC;
+ a->alg = VNET_CRYPTO_ALG_AES_256_CTR;
+ a->iv_size = 8;
+ a->block_align = 1;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_GCM_128;
a->enc_op_id = VNET_CRYPTO_OP_AES_128_GCM_ENC;
a->dec_op_id = VNET_CRYPTO_OP_AES_128_GCM_DEC;
a->alg = VNET_CRYPTO_ALG_AES_128_GCM;
a->iv_size = 8;
- a->block_size = 16;
+ a->block_align = 1;
a->icv_size = 16;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_GCM_192;
a->dec_op_id = VNET_CRYPTO_OP_AES_192_GCM_DEC;
a->alg = VNET_CRYPTO_ALG_AES_192_GCM;
a->iv_size = 8;
- a->block_size = 16;
+ a->block_align = 1;
a->icv_size = 16;
a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_GCM_256;
a->dec_op_id = VNET_CRYPTO_OP_AES_256_GCM_DEC;
a->alg = VNET_CRYPTO_ALG_AES_256_GCM;
a->iv_size = 8;
- a->block_size = 16;
+ a->block_align = 1;
a->icv_size = 16;
vec_validate (im->integ_algs, IPSEC_INTEG_N_ALG - 1);
vec_validate_aligned (im->ptd, vlib_num_workers (), CLIB_CACHE_LINE_BYTES);
- im->ah4_enc_fq_index =
- vlib_frame_queue_main_init (ah4_encrypt_node.index, 0);
- im->ah4_dec_fq_index =
- vlib_frame_queue_main_init (ah4_decrypt_node.index, 0);
- im->ah6_enc_fq_index =
- vlib_frame_queue_main_init (ah6_encrypt_node.index, 0);
- im->ah6_dec_fq_index =
- vlib_frame_queue_main_init (ah6_decrypt_node.index, 0);
-
- im->esp4_enc_fq_index =
- vlib_frame_queue_main_init (esp4_encrypt_node.index, 0);
- im->esp4_dec_fq_index =
- vlib_frame_queue_main_init (esp4_decrypt_node.index, 0);
- im->esp6_enc_fq_index =
- vlib_frame_queue_main_init (esp6_encrypt_node.index, 0);
- im->esp6_dec_fq_index =
- vlib_frame_queue_main_init (esp6_decrypt_node.index, 0);
- im->esp4_enc_tun_fq_index =
- vlib_frame_queue_main_init (esp4_encrypt_tun_node.index, 0);
- im->esp6_enc_tun_fq_index =
- vlib_frame_queue_main_init (esp6_encrypt_tun_node.index, 0);
- im->esp4_dec_tun_fq_index =
- vlib_frame_queue_main_init (esp4_decrypt_tun_node.index, 0);
- im->esp6_dec_tun_fq_index =
- vlib_frame_queue_main_init (esp6_decrypt_tun_node.index, 0);
+ im->async_mode = 0;
+ crypto_engine_backend_register_post_node (vm);
return 0;
}
VLIB_INIT_FUNCTION (ipsec_init);
+static clib_error_t *
+ipsec_config (vlib_main_t *vm, unformat_input_t *input)
+{
+ unformat_input_t sub_input;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "ip4 %U", unformat_vlib_cli_sub_input, &sub_input))
+ {
+ uword table_size = ~0;
+ u32 n_buckets = ~0;
+
+ while (unformat_check_input (&sub_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&sub_input, "num-buckets %u", &n_buckets))
+ ;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, &sub_input);
+ }
+
+ ipsec_tun_table_init (AF_IP4, table_size, n_buckets);
+ }
+ else if (unformat (input, "ip6 %U", unformat_vlib_cli_sub_input,
+ &sub_input))
+ {
+ uword table_size = ~0;
+ u32 n_buckets = ~0;
+
+ while (unformat_check_input (&sub_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&sub_input, "num-buckets %u", &n_buckets))
+ ;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, &sub_input);
+ }
+
+ ipsec_tun_table_init (AF_IP6, table_size, n_buckets);
+ }
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ return 0;
+}
+
+VLIB_CONFIG_FUNCTION (ipsec_config, "ipsec");
+
/*
* fd.io coding-style-patch-verification: ON
*