#include <vnet/ipsec/ipsec.h>
#include <vnet/ipsec/esp.h>
+#ifndef CLIB_MARCH_VARIANT
ipsec_proto_main_t ipsec_proto_main;
+#endif /* CLIB_MARCH_VARIANT */
#define foreach_esp_encrypt_next \
_(DROP, "error-drop") \
typedef struct
{
+ u32 sa_index;
u32 spi;
u32 seq;
u8 udp_encap;
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
esp_encrypt_trace_t *t = va_arg (*args, esp_encrypt_trace_t *);
- s = format (s, "esp: spi %u seq %u crypto %U integrity %U%s",
- t->spi, t->seq,
+ s = format (s, "esp: sa-index %d spi %u seq %u crypto %U integrity %U%s",
+ t->sa_index, t->spi, t->seq,
format_ipsec_crypto_alg, t->crypto_alg,
format_ipsec_integ_alg, t->integ_alg,
t->udp_encap ? " udp-encap-enabled" : "");
if (PREDICT_FALSE (vec_len (empty_buffers) < n_left_from))
{
- if (is_ip6)
- vlib_node_increment_counter (vm, esp6_encrypt_node.index,
- ESP_ENCRYPT_ERROR_NO_BUFFER,
- n_left_from);
- else
- vlib_node_increment_counter (vm, esp4_encrypt_node.index,
- ESP_ENCRYPT_ERROR_NO_BUFFER,
- n_left_from);
- clib_warning ("no enough empty buffers. discarding frame");
+ vlib_node_increment_counter (vm, node->node_index,
+ ESP_ENCRYPT_ERROR_NO_BUFFER, n_left_from);
+ clib_warning ("not enough empty buffers. discarding frame");
goto free_buffers_and_exit;
}
sa_index0 = vnet_buffer (i_b0)->ipsec.sad_index;
sa0 = pool_elt_at_index (im->sad, sa_index0);
+ vlib_prefetch_combined_counter
+ (&ipsec_sa_counters, thread_index, sa_index0);
+
if (PREDICT_FALSE (esp_seq_advance (sa0)))
{
clib_warning ("sequence number counter has cycled SPI %u",
sa0->spi);
- if (is_ip6)
- vlib_node_increment_counter (vm, esp6_encrypt_node.index,
- ESP_ENCRYPT_ERROR_SEQ_CYCLED, 1);
- else
- vlib_node_increment_counter (vm, esp4_encrypt_node.index,
- ESP_ENCRYPT_ERROR_SEQ_CYCLED, 1);
+ vlib_node_increment_counter (vm, node->node_index,
+ ESP_ENCRYPT_ERROR_SEQ_CYCLED, 1);
//TODO: rekey SA
o_bi0 = i_bi0;
to_next[0] = o_bi0;
goto trace;
}
- sa0->total_data_size += i_b0->current_length;
-
/* grab free buffer */
last_empty_buffer = vec_len (empty_buffers) - 1;
o_bi0 = empty_buffers[last_empty_buffer];
oh0->ip4.src_address.as_u32 = sa0->tunnel_src_addr.ip4.as_u32;
oh0->ip4.dst_address.as_u32 = sa0->tunnel_dst_addr.ip4.as_u32;
- vnet_buffer (o_b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ next0 = sa0->dpo[IPSEC_PROTOCOL_ESP].dpoi_next_node;
+ vnet_buffer (o_b0)->ip.adj_index[VLIB_TX] =
+ sa0->dpo[IPSEC_PROTOCOL_ESP].dpoi_index;
}
else if (is_ip6 && sa0->is_tunnel && sa0->is_tunnel_ip6)
{
oh6_0->ip6.dst_address.as_u64[1] =
sa0->tunnel_dst_addr.ip6.as_u64[1];
- vnet_buffer (o_b0)->sw_if_index[VLIB_TX] = (u32) ~ 0;
+ next0 = sa0->dpo[IPSEC_PROTOCOL_ESP].dpoi_next_node;
+ vnet_buffer (o_b0)->ip.adj_index[VLIB_TX] =
+ sa0->dpo[IPSEC_PROTOCOL_ESP].dpoi_index;
}
else
{
vlib_buffer_get_current (i_b0) -
sizeof (ethernet_header_t));
oeh0 = (ethernet_header_t *) o_b0->data;
- clib_memcpy (oeh0, ieh0, sizeof (ethernet_header_t));
+ clib_memcpy_fast (oeh0, ieh0, sizeof (ethernet_header_t));
next0 = ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT;
vnet_buffer (o_b0)->sw_if_index[VLIB_TX] =
vnet_buffer (i_b0)->sw_if_index[VLIB_TX];
}
- vlib_buffer_advance (i_b0, ip_udp_hdr_size);
+
+ if (is_ip6)
+ {
+ vlib_buffer_advance (i_b0, sizeof (ip6_header_t));
+ }
+ else
+ {
+ vlib_buffer_advance (i_b0, sizeof (ip4_header_t));
+ }
}
ASSERT (sa0->crypto_alg < IPSEC_CRYPTO_N_ALG);
+ vlib_increment_combined_counter
+ (&ipsec_sa_counters, thread_index, sa_index0,
+ 1, i_b0->current_length);
if (PREDICT_TRUE (sa0->crypto_alg != IPSEC_CRYPTO_ALG_NONE))
{
ipsec_proto_main_crypto_algs[sa0->crypto_alg].iv_size];
RAND_bytes (iv, sizeof (iv));
- clib_memcpy ((u8 *) vlib_buffer_get_current (o_b0) +
- ip_udp_hdr_size + sizeof (esp_header_t), iv,
- em->ipsec_proto_main_crypto_algs[sa0->
- crypto_alg].iv_size);
+ clib_memcpy_fast ((u8 *) vlib_buffer_get_current (o_b0) +
+ ip_udp_hdr_size + sizeof (esp_header_t), iv,
+ em->ipsec_proto_main_crypto_algs[sa0->
+ crypto_alg].iv_size);
esp_encrypt_cbc (vm, sa0->crypto_alg,
(u8 *) vlib_buffer_get_current (i_b0),
(u8 *) vlib_buffer_get_current (o_b0) +
ip_udp_hdr_size + sizeof (esp_header_t) +
IV_SIZE, BLOCK_SIZE * blocks,
- sa0->crypto_key, iv);
+ sa0->crypto_key.data, iv);
}
- o_b0->current_length += hmac_calc (sa0->integ_alg, sa0->integ_key,
- sa0->integ_key_len,
- (u8 *) o_esp0,
- o_b0->current_length -
- ip_udp_hdr_size,
- vlib_buffer_get_current (o_b0) +
- o_b0->current_length,
- sa0->use_esn, sa0->seq_hi);
+ o_b0->current_length +=
+ hmac_calc (sa0->integ_alg, sa0->integ_key.data,
+ sa0->integ_key.len, (u8 *) o_esp0,
+ o_b0->current_length - ip_udp_hdr_size,
+ vlib_buffer_get_current (o_b0) + o_b0->current_length,
+ sa0->use_esn, sa0->seq_hi);
if (is_ip6)
o_b0->trace_index = i_b0->trace_index;
esp_encrypt_trace_t *tr =
vlib_add_trace (vm, node, o_b0, sizeof (*tr));
+ tr->sa_index = sa_index0;
tr->spi = sa0->spi;
tr->seq = sa0->seq - 1;
tr->udp_encap = sa0->udp_encap;
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- if (is_ip6)
- vlib_node_increment_counter (vm, esp6_encrypt_node.index,
- ESP_ENCRYPT_ERROR_RX_PKTS,
- from_frame->n_vectors);
- else
- vlib_node_increment_counter (vm, esp4_encrypt_node.index,
- ESP_ENCRYPT_ERROR_RX_PKTS,
- from_frame->n_vectors);
+ vlib_node_increment_counter (vm, node->node_index,
+ ESP_ENCRYPT_ERROR_RX_PKTS,
+ from_frame->n_vectors);
free_buffers_and_exit:
if (recycle)
return from_frame->n_vectors;
}
-static uword
-esp4_encrypt_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+VLIB_NODE_FN (esp4_encrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
return esp_encrypt_inline (vm, node, from_frame, 0 /* is_ip6 */ );
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (esp4_encrypt_node) = {
- .function = esp4_encrypt_node_fn,
.name = "esp4-encrypt",
.vector_size = sizeof (u32),
.format_trace = format_esp_encrypt_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (esp4_encrypt_node, esp4_encrypt_node_fn);
-
-static uword
-esp6_encrypt_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * from_frame)
+VLIB_NODE_FN (esp6_encrypt_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
return esp_encrypt_inline (vm, node, from_frame, 1 /* is_ip6 */ );
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (esp6_encrypt_node) = {
- .function = esp6_encrypt_node_fn,
.name = "esp6-encrypt",
.vector_size = sizeof (u32),
.format_trace = format_esp_encrypt_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (esp6_encrypt_node, esp6_encrypt_node_fn);
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff