if (l4_protocol == IP_PROTOCOL_TCP)
{
- tcp_header_t *tcp = ip6_next_header (ip6);
+ tcp_header_t *tcp = (tcp_header_t *) u8_ptr_add (ip6, l4_offset);
if (mm->tcp_mss > 0)
{
csum = tcp->checksum;
}
else
{
- udp_header_t *udp = ip6_next_header (ip6);
+ udp_header_t *udp = (udp_header_t *) u8_ptr_add (ip6, l4_offset);
checksum = &udp->checksum;
}
ip6_map_t_embedded_address (d0, &ip60->dst_address);
vnet_buffer (p0)->map_t.mtu = d0->mtu ? d0->mtu : ~0;
+ map_port0 = -1;
+
+ if (PREDICT_FALSE (ip60->hop_limit == 1))
+ {
+ icmp6_error_set_vnet_buffer (p0, ICMP6_time_exceeded,
+ ICMP6_time_exceeded_ttl_exceeded_in_transit,
+ 0);
+ p0->error = error_node->errors[MAP_ERROR_TIME_EXCEEDED];
+ next0 = IP6_MAPT_NEXT_ICMP;
+ goto trace;
+ }
+
if (PREDICT_FALSE
(ip6_parse (vm, p0, ip60, p0->current_length,
&(vnet_buffer (p0)->map_t.v6.l4_protocol),
error0 == MAP_ERROR_NONE ? MAP_ERROR_MALFORMED : error0;
}
- map_port0 = -1;
l4_len0 =
(u32) clib_net_to_host_u16 (ip60->payload_length) +
sizeof (*ip60) - vnet_buffer (p0)->map_t.v6.l4_offset;
next0 = IP6_MAPT_NEXT_MAPT_ICMP;
if (((icmp46_header_t *)
u8_ptr_add (ip60,
- vnet_buffer (p0)->map_t.v6.l4_offset))->code ==
+ vnet_buffer (p0)->map_t.v6.l4_offset))->type ==
ICMP6_echo_reply
|| ((icmp46_header_t *)
u8_ptr_add (ip60,
vnet_buffer (p0)->map_t.v6.l4_offset))->
- code == ICMP6_echo_request)
+ type == ICMP6_echo_request)
map_port0 = l4_src_port;
}
else
}
p0->error = error_node->errors[error0];
+ trace:
if (PREDICT_FALSE (p0->flags & VLIB_BUFFER_IS_TRACED))
{
map_add_trace (vm, node, p0,