43 lines
993 B
C
43 lines
993 B
C
/*
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* (C) 2012 by Pablo Neira Ayuso <pablo@gnumonks.org>
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* (C) 2012 by On Waves ehf <http://www.on-waves.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later vers
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*/
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#include <stdlib.h>
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#include <netinet/ip.h>
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#include <linux/if_ether.h>
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#include "proto.h"
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#define PRINT_CMP(...)
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static unsigned int l3_ipv4_pkt_l4proto_num(const uint8_t *pkt)
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{
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const struct iphdr *iph = (const struct iphdr *)pkt;
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return iph->protocol;
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}
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static unsigned int l3_ipv4_pkt_l3hdr_len(const uint8_t *pkt)
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{
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const struct iphdr *iph = (const struct iphdr *)pkt;
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return iph->ihl << 2;
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}
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static struct osmo_pcap_proto_l3 ipv4 = {
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.l3protonum = AF_INET,
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.l3pkt_hdr_len = l3_ipv4_pkt_l3hdr_len,
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.l4pkt_proto = l3_ipv4_pkt_l4proto_num,
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};
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void l3_ipv4_init(void)
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{
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osmo_pcap_proto_l3_register(&ipv4);
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}
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