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66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/* Copyright (C) 2025 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 Jeff Lucovsky <jeff.lucovsky@corelight.com>
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*
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* Decodes Sll2
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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-sll2.h"
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#include "decode-events.h"
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#include "util-validate.h"
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#include "util-debug.h"
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int DecodeSll2(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, const uint8_t *pkt, uint32_t len)
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{
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DEBUG_VALIDATE_BUG_ON(pkt == NULL);
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StatsCounterIncr(&tv->stats, dtv->counter_sll2);
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if (unlikely(len < SLL2_HEADER_LEN)) {
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ENGINE_SET_INVALID_EVENT(p, SLL2_PKT_TOO_SMALL);
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return TM_ECODE_FAILED;
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}
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if (!PacketIncreaseCheckLayers(p)) {
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return TM_ECODE_FAILED;
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}
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Sll2Hdr *sll2h = (Sll2Hdr *)pkt;
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SCLogDebug("p %p pkt %p sll2_protocol %04x", p, pkt, SCNtohs(sll2h->sll_protocol));
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DecodeNetworkLayer(
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tv, dtv, SCNtohs(sll2h->sll_protocol), p, pkt + SLL2_HEADER_LEN, len - SLL2_HEADER_LEN);
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return TM_ECODE_OK;
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}
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/**
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* @}
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*/
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