if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE)
{
adj_unlock (ai);
- ai = adj_glean_add_or_lock (FIB_PROTOCOL_IP4, sw_if_index, &nh);
+ ai = adj_glean_add_or_lock (FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4, sw_if_index, &nh);
adj = adj_get (ai);
}
vnet_buffer (p1)->ip.save_rewrite_length = rw_len1;
/* Check MTU of outgoing interface. */
- error0 =
- (vlib_buffer_length_in_chain (vm, p0) >
- adj0[0].
- rewrite_header.max_l3_packet_bytes ? IP4_ERROR_MTU_EXCEEDED :
- error0);
- error1 =
- (vlib_buffer_length_in_chain (vm, p1) >
- adj1[0].
- rewrite_header.max_l3_packet_bytes ? IP4_ERROR_MTU_EXCEEDED :
- error1);
+ if (vlib_buffer_length_in_chain (vm, p0) >
+ adj0[0].rewrite_header.max_l3_packet_bytes)
+ {
+ error0 = IP4_ERROR_MTU_EXCEEDED;
+ next0 = IP4_REWRITE_NEXT_ICMP_ERROR;
+ icmp4_error_set_vnet_buffer
+ (p0, ICMP4_destination_unreachable,
+ ICMP4_destination_unreachable_fragmentation_needed_and_dont_fragment_set,
+ 0);
+ }
+ if (vlib_buffer_length_in_chain (vm, p1) >
+ adj1[0].rewrite_header.max_l3_packet_bytes)
+ {
+ error1 = IP4_ERROR_MTU_EXCEEDED;
+ next1 = IP4_REWRITE_NEXT_ICMP_ERROR;
+ icmp4_error_set_vnet_buffer
+ (p1, ICMP4_destination_unreachable,
+ ICMP4_destination_unreachable_fragmentation_needed_and_dont_fragment_set,
+ 0);
+ }
if (is_mcast)
{
vlib_buffer_length_in_chain (vm, p0) + rw_len0);
/* Check MTU of outgoing interface. */
- error0 = (vlib_buffer_length_in_chain (vm, p0)
- > adj0[0].rewrite_header.max_l3_packet_bytes
- ? IP4_ERROR_MTU_EXCEEDED : error0);
+ if (vlib_buffer_length_in_chain (vm, p0) >
+ adj0[0].rewrite_header.max_l3_packet_bytes)
+ {
+ error0 = IP4_ERROR_MTU_EXCEEDED;
+ next0 = IP4_REWRITE_NEXT_ICMP_ERROR;
+ icmp4_error_set_vnet_buffer
+ (p0, ICMP4_destination_unreachable,
+ ICMP4_destination_unreachable_fragmentation_needed_and_dont_fragment_set,
+ 0);
+ }
if (is_mcast)
{
error0 = ((adj0[0].rewrite_header.sw_if_index ==