sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
rx_fib_index0 = ip4_fib_table_get_index_for_sw_if_index (sw_if_index0);
- if (!icmp_is_error_message (icmp0))
+ if (!icmp_type_is_error_message
+ (vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags))
{
protocol = SNAT_PROTOCOL_ICMP;
in_addr = ip0->src_address;
- in_port = echo0->identifier;
+ in_port = vnet_buffer (b0)->ip.reass.l4_src_port;
}
else
{
+ /* if error message, then it's not fragmented and we can access it */
inner_ip0 = (ip4_header_t *) (echo0 + 1);
l4_header = ip4_next_header (inner_ip0);
protocol = ip_proto_to_snat_proto (inner_ip0->protocol);
}
}
- if (PREDICT_FALSE (icmp0->type != ICMP4_echo_request &&
- !icmp_is_error_message (icmp0)))
+ if (PREDICT_FALSE
+ (vnet_buffer (b0)->ip.reass.icmp_type_or_tcp_flags != ICMP4_echo_request
+ && !icmp_type_is_error_message (vnet_buffer (b0)->ip.
+ reass.icmp_type_or_tcp_flags)))
{
b0->error = node->errors[NAT_DET_IN2OUT_ERROR_BAD_ICMP_TYPE];
next0 = NAT_DET_IN2OUT_NEXT_DROP;