u32 current_sa_bytes = 0, spi = 0;
u8 esp_align = 4, iv_sz = 0, icv_sz = 0;
ipsec_sa_t *sa0 = 0;
+ u8 sa_drop_no_crypto = 0;
vlib_buffer_t *lb;
vnet_crypto_op_t **crypto_ops = &ptd->crypto_ops;
vnet_crypto_op_t **integ_ops = &ptd->integ_ops;
sa0 = ipsec_sa_get (sa_index0);
current_sa_index = sa_index0;
- if (PREDICT_FALSE ((sa0->crypto_alg == IPSEC_CRYPTO_ALG_NONE &&
- sa0->integ_alg == IPSEC_INTEG_ALG_NONE) &&
- !ipsec_sa_is_set_NO_ALGO_NO_DROP (sa0)))
- {
- err = ESP_ENCRYPT_ERROR_NO_ENCRYPTION;
- esp_encrypt_set_next_index (b[0], node, thread_index, err,
- n_noop, noop_nexts, drop_next,
- sa_index0);
- goto trace;
- }
+ sa_drop_no_crypto = ((sa0->crypto_alg == IPSEC_CRYPTO_ALG_NONE &&
+ sa0->integ_alg == IPSEC_INTEG_ALG_NONE) &&
+ !ipsec_sa_is_set_NO_ALGO_NO_DROP (sa0));
+
vlib_prefetch_combined_counter (&ipsec_sa_counters, thread_index,
current_sa_index);
is_async = im->async_mode | ipsec_sa_is_set_IS_ASYNC (sa0);
}
+ if (PREDICT_FALSE (sa_drop_no_crypto != 0))
+ {
+ err = ESP_ENCRYPT_ERROR_NO_ENCRYPTION;
+ esp_encrypt_set_next_index (b[0], node, thread_index, err, n_noop,
+ noop_nexts, drop_next, sa_index0);
+ goto trace;
+ }
+
if (PREDICT_FALSE ((u16) ~0 == sa0->thread_index))
{
/* this is the first packet to use this SA, claim the SA