48 lines
1.1 KiB
C
48 lines
1.1 KiB
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 <arpa/inet.h>
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#include <linux/if_ether.h>
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#include <pcap/sll.h>
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#include <pcap/bpf.h>
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#include "proto.h"
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#define PRINT_CMP(...)
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static unsigned int l2_sll_pkt_l3proto_num(const uint8_t *pkt)
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{
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const struct sll_header *lh = (const struct sll_header *)pkt;
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switch(ntohs(lh->sll_protocol)) {
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case ETH_P_IP:
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return htons(AF_INET);
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default:
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return lh->sll_protocol;
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}
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}
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static unsigned int l2_sll_pkt_l2hdr_len(const uint8_t *pkt)
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{
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return SLL_HDR_LEN;
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}
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static struct osmo_pcap_proto_l2 sll = {
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.l2protonum = DLT_LINUX_SLL,
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.l2pkt_hdr_len = l2_sll_pkt_l2hdr_len,
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.l3pkt_proto = l2_sll_pkt_l3proto_num,
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};
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void l2_sll_init(void)
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{
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osmo_pcap_proto_l2_register(&sll);
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}
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