static_always_inline void
esp_update_ip4_hdr (ip4_header_t * ip4, u16 len, int is_transport, int is_udp)
{
- ip_csum_t sum = ip4->checksum;
- u16 old_len = 0;
+ ip_csum_t sum;
+ u16 old_len;
+
+ len = clib_net_to_host_u16 (len);
+ old_len = ip4->length;
if (is_transport)
{
u8 prot = is_udp ? IP_PROTOCOL_UDP : IP_PROTOCOL_IPSEC_ESP;
- old_len = ip4->length;
- sum = ip_csum_update (sum, ip4->protocol, prot, ip4_header_t, protocol);
+
+ sum = ip_csum_update (ip4->checksum, ip4->protocol,
+ prot, ip4_header_t, protocol);
ip4->protocol = prot;
+
+ sum = ip_csum_update (sum, old_len, len, ip4_header_t, length);
}
+ else
+ sum = ip_csum_update (ip4->checksum, old_len, len, ip4_header_t, length);
- ip4->length = len = clib_net_to_host_u16 (len);
- sum = ip_csum_update (ip4->checksum, old_len, len, ip4_header_t, length);
+ ip4->length = len;
ip4->checksum = ip_csum_fold (sum);
}
current_sa_packets = current_sa_bytes = 0;
spi = clib_net_to_host_u32 (sa0->spi);
block_sz = sa0->crypto_block_size;
- icv_sz = sa0->integ_trunc_size;
+ icv_sz = sa0->integ_icv_size;
iv_sz = sa0->crypto_iv_size;
}
ip6_header_t *ip6 = (ip6_header_t *) (ip_hdr);
*next_hdr_ptr = ip6->protocol;
ip6->protocol = IP_PROTOCOL_IPSEC_ESP;
- ip6->payload_length = payload_len + hdr_len - l2_len - ip_len;
+ ip6->payload_length =
+ clib_host_to_net_u16 (payload_len + hdr_len - l2_len -
+ ip_len);
}
else
{
u16 len;
ip4_header_t *ip4 = (ip4_header_t *) (ip_hdr);
*next_hdr_ptr = ip4->protocol;
- len = payload_len + hdr_len + l2_len;
+ len = payload_len + hdr_len - l2_len;
if (udp)
{
esp_update_ip4_hdr (ip4, len, /* is_transport */ 1, 1);
esp->spi = spi;
esp->seq = clib_net_to_host_u32 (sa0->seq);
- if (sa0->crypto_enc_op_type)
+ if (sa0->crypto_enc_op_id)
{
vnet_crypto_op_t *op;
vec_add2_aligned (ptd->crypto_ops, op, 1, CLIB_CACHE_LINE_BYTES);
- vnet_crypto_op_init (op, sa0->crypto_enc_op_type);
+ vnet_crypto_op_init (op, sa0->crypto_enc_op_id);
op->iv = payload - iv_sz;
op->src = op->dst = payload;
- op->key = sa0->crypto_key.data;
+ op->key_index = sa0->crypto_key_index;
op->len = payload_len - icv_sz;
op->flags = VNET_CRYPTO_OP_FLAG_INIT_IV;
op->user_data = b - bufs;
+ op->salt = sa0->salt;
+
+ if (ipsec_sa_is_set_IS_AEAD (sa0))
+ {
+ /*
+ * construct the AAD in a scratch space in front
+ * of the IP header.
+ */
+ op->aad = payload - hdr_len - sizeof (esp_aead_t);
+
+ esp_aad_fill (op, esp, sa0);
+
+ op->tag = payload + op->len;
+ op->tag_len = 16;
+ }
}
- if (sa0->integ_op_type)
+ if (sa0->integ_op_id)
{
vnet_crypto_op_t *op;
vec_add2_aligned (ptd->integ_ops, op, 1, CLIB_CACHE_LINE_BYTES);
- vnet_crypto_op_init (op, sa0->integ_op_type);
+ vnet_crypto_op_init (op, sa0->integ_op_id);
op->src = payload - iv_sz - sizeof (esp_header_t);
- op->dst = payload + payload_len - icv_sz;
- op->key = sa0->integ_key.data;
- op->key_len = sa0->integ_key.len;
- op->hmac_trunc_len = icv_sz;
+ op->digest = payload + payload_len - icv_sz;
+ op->key_index = sa0->integ_key_index;
+ op->digest_len = icv_sz;
op->len = payload_len - icv_sz + iv_sz + sizeof (esp_header_t);
op->user_data = b - bufs;
if (ipsec_sa_is_set_USE_ESN (sa0))
{
u32 seq_hi = clib_net_to_host_u32 (sa0->seq_hi);
- clib_memcpy_fast (op->dst, &seq_hi, sizeof (seq_hi));
+ clib_memcpy_fast (op->digest, &seq_hi, sizeof (seq_hi));
op->len += sizeof (seq_hi);
}
}
vlib_increment_combined_counter (&ipsec_sa_counters, thread_index,
current_sa_index, current_sa_packets,
current_sa_bytes);
-
esp_process_ops (vm, node, ptd->crypto_ops, bufs, nexts);
esp_process_ops (vm, node, ptd->integ_ops, bufs, nexts);
.n_errors = ARRAY_LEN(esp_encrypt_error_strings),
.error_strings = esp_encrypt_error_strings,
+
+ .n_next_nodes = 1,
+ .next_nodes = {
+ [ESP_ENCRYPT_NEXT_DROP] = "ip4-drop",
+ },
};
VNET_FEATURE_INIT (esp4_encrypt_tun_feat_node, static) =
{
.arc_name = "ip4-output",
.node_name = "esp4-encrypt-tun",
- .runs_before = VNET_FEATURES ("ip4-frag",
- "adj-midchain-tx"),
+ .runs_before = VNET_FEATURES ("adj-midchain-tx"),
};
/* *INDENT-ON* */
.n_errors = ARRAY_LEN(esp_encrypt_error_strings),
.error_strings = esp_encrypt_error_strings,
+
+ .n_next_nodes = 1,
+ .next_nodes = {
+ [ESP_ENCRYPT_NEXT_DROP] = "ip6-drop",
+ },
};
VNET_FEATURE_INIT (esp6_encrypt_tun_feat_node, static) =
{
.arc_name = "ip6-output",
.node_name = "esp6-encrypt-tun",
- .runs_before = VNET_FEATURES ("ip6-frag",
- "adj-midchain-tx"),
+ .runs_before = VNET_FEATURES ("adj-midchain-tx"),
};
/* *INDENT-ON* */