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suricata/src/decode-nsh.h

51 lines
1.4 KiB
C

/* Copyright (C) 2020 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Carl Smith <carl.smith@alliedtelesis.co.nz>
*
*/
#ifndef __DECODE_NSH_H__
#define __DECODE_NSH_H__
#define NSH_NEXT_PROTO_UNASSIGNED 0x0
#define NSH_NEXT_PROTO_IPV4 0x1
#define NSH_NEXT_PROTO_IPV6 0x2
#define NSH_NEXT_PROTO_ETHERNET 0x3
#define NSH_NEXT_PROTO_NSH 0x4
#define NSH_NEXT_PROTO_MPLS 0x5
#define NSH_NEXT_PROTO_EXPERIMENT1 0xFE
#define NSH_NEXT_PROTO_EXPERIMENT2 0xFF
/*
* Network Service Header (NSH)
*/
typedef struct NshHdr_ {
uint16_t ver_flags_len;
uint8_t md_type;
uint8_t next_protocol;
uint32_t spi_si;
} __attribute__((packed)) NshHdr;
void DecodeNSHRegisterTests(void);
#endif /* __DECODE_NSH_H__ */