libosmo-netif/tests/osmo-pcap-test/l4_udp.c

37 lines
854 B
C

/*
* (C) 2012 by Pablo Neira Ayuso <pablo@gnumonks.org>
* (C) 2012 by On Waves ehf <http://www.on-waves.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later vers
*/
#include <netinet/ip.h>
#include <netinet/udp.h>
#include "proto.h"
static unsigned int l4_udp_pkt_hdr_len(const uint8_t *pkt)
{
return sizeof(struct udphdr);
}
static unsigned int l4_udp_pkt_no_data(const uint8_t *pkt)
{
/* UDP has no control packets. */
return 0;
}
static struct osmo_pcap_proto_l4 udp = {
.l4protonum = IPPROTO_UDP,
.l4pkt_hdr_len = l4_udp_pkt_hdr_len,
.l4pkt_no_data = l4_udp_pkt_no_data,
};
void l4_udp_init(void)
{
osmo_pcap_proto_l4_register(&udp);
}