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75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \ingroup decode
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*
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* @{
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*
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* Decodes Sll
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*/
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#include "suricata-common.h"
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#include "decode.h"
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#include "decode-sll.h"
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#include "decode-events.h"
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#include "util-debug.h"
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void DecodeSll(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt, uint16_t len, PacketQueue *pq)
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{
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SCPerfCounterIncr(dtv->counter_sll, tv->sc_perf_pca);
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if (len < SLL_HEADER_LEN) {
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ENGINE_SET_EVENT(p,SLL_PKT_TOO_SMALL);
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return;
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}
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SllHdr *sllh = (SllHdr *)pkt;
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if (sllh == NULL)
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return;
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SCLogDebug("p %p pkt %p sll_protocol %04x", p, pkt, ntohs(sllh->sll_protocol));
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switch (ntohs(sllh->sll_protocol)) {
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case ETHERNET_TYPE_IP:
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DecodeIPV4(tv, dtv, p, pkt + SLL_HEADER_LEN,
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len - SLL_HEADER_LEN, pq);
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break;
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case ETHERNET_TYPE_IPV6:
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DecodeIPV6(tv, dtv, p, pkt + SLL_HEADER_LEN,
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len - SLL_HEADER_LEN, pq);
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break;
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case ETHERNET_TYPE_VLAN:
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DecodeVLAN(tv, dtv, p, pkt + SLL_HEADER_LEN,
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len - SLL_HEADER_LEN, pq);
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break;
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default:
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SCLogDebug("p %p pkt %p sll type %04x not supported", p,
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pkt, ntohs(sllh->sll_protocol));
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}
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}
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/**
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* @}
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*/
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