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path: root/src/vnet/ipsec/ipsec_input.c
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Diffstat (limited to 'src/vnet/ipsec/ipsec_input.c')
-rw-r--r--src/vnet/ipsec/ipsec_input.c34
1 files changed, 28 insertions, 6 deletions
diff --git a/src/vnet/ipsec/ipsec_input.c b/src/vnet/ipsec/ipsec_input.c
index b7bb07bf051..ebfb909cbcf 100644
--- a/src/vnet/ipsec/ipsec_input.c
+++ b/src/vnet/ipsec/ipsec_input.c
@@ -348,13 +348,13 @@ VLIB_REGISTER_NODE (ipsec_input_ip4_node,static) = {
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip4_node, ipsec_input_ip4_node_fn)
- static vlib_node_registration_t ipsec_input_ip6_node;
+VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip4_node, ipsec_input_ip4_node_fn);
+static vlib_node_registration_t ipsec_input_ip6_node;
- static uword
- ipsec_input_ip6_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+static uword
+ipsec_input_ip6_node_fn (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
u32 n_left_from, *from, next_index, *to_next;
ipsec_main_t *im = &ipsec_main;
@@ -379,6 +379,7 @@ VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip4_node, ipsec_input_ip4_node_fn)
ip4_ipsec_config_t *c0;
ipsec_spd_t *spd0;
ipsec_policy_t *p0 = 0;
+ ah_header_t *ah0;
u32 header_size = sizeof (ip0[0]);
bi0 = to_next[0] = from[0];
@@ -396,6 +397,7 @@ VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip4_node, ipsec_input_ip4_node_fn)
ip0 = vlib_buffer_get_current (b0);
esp0 = (esp_header_t *) ((u8 *) ip0 + header_size);
+ ah0 = (ah_header_t *) ((u8 *) ip0 + header_size);
if (PREDICT_TRUE (ip0->protocol == IP_PROTOCOL_IPSEC_ESP))
{
@@ -426,6 +428,26 @@ VLIB_NODE_FUNCTION_MULTIARCH (ipsec_input_ip4_node, ipsec_input_ip4_node_fn)
goto trace0;
}
}
+ else if (ip0->protocol == IP_PROTOCOL_IPSEC_AH)
+ {
+ p0 = ipsec_input_ip6_protect_policy_match (spd0,
+ &ip0->src_address,
+ &ip0->dst_address,
+ clib_net_to_host_u32
+ (ah0->spi));
+
+ if (PREDICT_TRUE (p0 != 0))
+ {
+ p0->counter.packets++;
+ p0->counter.bytes +=
+ clib_net_to_host_u16 (ip0->payload_length);
+ p0->counter.bytes += header_size;
+ vnet_buffer (b0)->ipsec.sad_index = p0->sa_index;
+ vnet_buffer (b0)->ipsec.flags = 0;
+ next0 = im->ah_decrypt_next_index;
+ goto trace0;
+ }
+ }
trace0:
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))