return !u8x16_is_all_zero (ext_hdr_types == u8x16_splat (nexthdr));
#else
- return ((nexthdr ^ IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) |
- (nexthdr ^ IP_PROTOCOL_IPV6_ROUTE) |
- ((nexthdr ^ IP_PROTOCOL_IPV6_FRAGMENTATION) != 0));
+ return (!(nexthdr ^ IP_PROTOCOL_IP6_HOP_BY_HOP_OPTIONS) ||
+ !(nexthdr ^ IP_PROTOCOL_IPV6_ROUTE) ||
+ !(nexthdr ^ IP_PROTOCOL_IPV6_FRAGMENTATION));
#endif
}
op->aad_len = esp_aad_fill (op->aad, esp, sa0, seq_hi);
op->tag = payload + crypto_len;
op->tag_len = 16;
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_NULL_GMAC (sa0)))
+ {
+ /* RFC-4543 ENCR_NULL_AUTH_AES_GMAC: IV is part of AAD */
+ crypto_start -= iv_sz;
+ crypto_len += iv_sz;
+ }
}
else
{
/* constuct aad in a scratch space in front of the nonce */
aad = (u8 *) nonce - sizeof (esp_aead_t);
esp_aad_fill (aad, esp, sa, sa->seq_hi);
+ if (PREDICT_FALSE (ipsec_sa_is_set_IS_NULL_GMAC (sa)))
+ {
+ /* RFC-4543 ENCR_NULL_AUTH_AES_GMAC: IV is part of AAD */
+ crypto_start_offset -= iv_sz;
+ crypto_total_len += iv_sz;
+ }
}
else
{
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;
current_sa_packets = current_sa_bytes = 0;
sa0 = ipsec_sa_get (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;
- }
current_sa_index = sa_index0;
+
+ 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
{
async_frames[async_op] =
vnet_crypto_async_get_frame (vm, async_op);
+
+ if (PREDICT_FALSE (!async_frames[async_op]))
+ {
+ err = ESP_ENCRYPT_ERROR_NO_AVAIL_FRAME;
+ esp_encrypt_set_next_index (b[0], node, thread_index, err,
+ n_noop, noop_nexts, drop_next,
+ current_sa_index);
+ goto trace;
+ }
+
/* Save the frame to the list we'll submit at the end */
vec_add1 (ptd->async_frames, async_frames[async_op]);
}