aboutsummaryrefslogtreecommitdiffstats
path: root/src/vnet/udp
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/udp')
-rw-r--r--src/vnet/udp/udp_local.c95
1 files changed, 64 insertions, 31 deletions
diff --git a/src/vnet/udp/udp_local.c b/src/vnet/udp/udp_local.c
index 90a43a270e1..41938b8f1f7 100644
--- a/src/vnet/udp/udp_local.c
+++ b/src/vnet/udp/udp_local.c
@@ -125,9 +125,8 @@ udp46_local_inline (vlib_main_t * vm,
u32 bi0, bi1;
vlib_buffer_t *b0, *b1;
udp_header_t *h0 = 0, *h1 = 0;
- u32 i0, i1, dst_port0, dst_port1;
+ u32 i0, i1, next0, next1;
u32 advance0, advance1;
- u32 error0, next0, error1, next1;
/* Prefetch next iteration. */
{
@@ -169,72 +168,106 @@ udp46_local_inline (vlib_main_t * vm,
if (PREDICT_FALSE (b0->current_length < advance0 + sizeof (*h0)))
{
- error0 = UDP_ERROR_LENGTH_ERROR;
+ b0->error = node->errors[UDP_ERROR_LENGTH_ERROR];
next0 = UDP_LOCAL_NEXT_DROP;
}
else
{
vlib_buffer_advance (b0, advance0);
h0 = vlib_buffer_get_current (b0);
- error0 = UDP_ERROR_NONE;
next0 = UDP_LOCAL_NEXT_PUNT;
if (PREDICT_FALSE (clib_net_to_host_u16 (h0->length) >
vlib_buffer_length_in_chain (vm, b0)))
{
- error0 = UDP_ERROR_LENGTH_ERROR;
+ b0->error = node->errors[UDP_ERROR_LENGTH_ERROR];
next0 = UDP_LOCAL_NEXT_DROP;
}
}
if (PREDICT_FALSE (b1->current_length < advance1 + sizeof (*h1)))
{
- error1 = UDP_ERROR_LENGTH_ERROR;
+ b1->error = node->errors[UDP_ERROR_LENGTH_ERROR];
next1 = UDP_LOCAL_NEXT_DROP;
}
else
{
vlib_buffer_advance (b1, advance1);
h1 = vlib_buffer_get_current (b1);
- error1 = UDP_ERROR_NONE;
next1 = UDP_LOCAL_NEXT_PUNT;
if (PREDICT_FALSE (clib_net_to_host_u16 (h1->length) >
vlib_buffer_length_in_chain (vm, b1)))
{
- error1 = UDP_ERROR_LENGTH_ERROR;
+ b1->error = node->errors[UDP_ERROR_LENGTH_ERROR];
next1 = UDP_LOCAL_NEXT_DROP;
}
}
/* Index sparse array with network byte order. */
- dst_port0 = (error0 == 0) ? h0->dst_port : 0;
- dst_port1 = (error1 == 0) ? h1->dst_port : 0;
- sparse_vec_index2 (next_by_dst_port, dst_port0, dst_port1, &i0,
- &i1);
- next0 = (error0 == 0) ? vec_elt (next_by_dst_port, i0) : next0;
- next1 = (error1 == 0) ? vec_elt (next_by_dst_port, i1) : next1;
-
- if (PREDICT_FALSE (i0 == SPARSE_VEC_INVALID_INDEX ||
- next0 == UDP_NO_NODE_SET))
+ if (PREDICT_TRUE (next0 == UDP_LOCAL_NEXT_PUNT &&
+ next1 == UDP_LOCAL_NEXT_PUNT))
{
- udp_dispatch_error (node, b0, advance0, is_ip4, &next0);
+ sparse_vec_index2 (next_by_dst_port, h0->dst_port, h1->dst_port,
+ &i0, &i1);
+ next0 = vec_elt (next_by_dst_port, i0);
+ next1 = vec_elt (next_by_dst_port, i1);
+
+ if (PREDICT_FALSE (i0 == SPARSE_VEC_INVALID_INDEX ||
+ next0 == UDP_NO_NODE_SET))
+ {
+ udp_dispatch_error (node, b0, advance0, is_ip4, &next0);
+ }
+ else
+ {
+ b0->error = node->errors[UDP_ERROR_NONE];
+ // advance to the payload
+ vlib_buffer_advance (b0, sizeof (*h0));
+ }
+
+ if (PREDICT_FALSE (i1 == SPARSE_VEC_INVALID_INDEX ||
+ next1 == UDP_NO_NODE_SET))
+ {
+ udp_dispatch_error (node, b1, advance1, is_ip4, &next1);
+ }
+ else
+ {
+ b1->error = node->errors[UDP_ERROR_NONE];
+ // advance to the payload
+ vlib_buffer_advance (b1, sizeof (*h1));
+ }
}
- else
+ else if (next0 == UDP_LOCAL_NEXT_PUNT)
{
- b0->error = node->errors[UDP_ERROR_NONE];
- // advance to the payload
- vlib_buffer_advance (b0, sizeof (*h0));
- }
+ i0 = sparse_vec_index (next_by_dst_port, h0->dst_port);
+ next0 = vec_elt (next_by_dst_port, i0);
- if (PREDICT_FALSE (i1 == SPARSE_VEC_INVALID_INDEX ||
- next1 == UDP_NO_NODE_SET))
- {
- udp_dispatch_error (node, b1, advance1, is_ip4, &next1);
+ if (PREDICT_FALSE (i0 == SPARSE_VEC_INVALID_INDEX ||
+ next0 == UDP_NO_NODE_SET))
+ {
+ udp_dispatch_error (node, b0, advance0, is_ip4, &next0);
+ }
+ else
+ {
+ b0->error = node->errors[UDP_ERROR_NONE];
+ // advance to the payload
+ vlib_buffer_advance (b0, sizeof (*h0));
+ }
}
- else
+ else if (next1 == UDP_LOCAL_NEXT_PUNT)
{
- b1->error = node->errors[UDP_ERROR_NONE];
- // advance to the payload
- vlib_buffer_advance (b1, sizeof (*h1));
+ i1 = sparse_vec_index (next_by_dst_port, h1->dst_port);
+ next1 = vec_elt (next_by_dst_port, i1);
+
+ if (PREDICT_FALSE (i1 == SPARSE_VEC_INVALID_INDEX ||
+ next1 == UDP_NO_NODE_SET))
+ {
+ udp_dispatch_error (node, b1, advance1, is_ip4, &next1);
+ }
+ else
+ {
+ b1->error = node->errors[UDP_ERROR_NONE];
+ // advance to the payload
+ vlib_buffer_advance (b1, sizeof (*h1));
+ }
}
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))