suricata
decode-sll2.h
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1 /* Copyright (C) 2025 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Jeff Lucovsky (jeff.lucovsky@corelight.com)
22  */
23 
24 #ifndef SURICATA_DECODE_SLL2_H
25 #define SURICATA_DECODE_SLL2_H
26 
27 #define SLL2_HEADER_LEN 20
28 
29 typedef struct Sll2Hdr_ {
30  uint16_t sll_protocol; /* protocol */
31  uint16_t sll2_reservd; /* reserved */
32  uint32_t sll_ifindex; /* interface index*/
33  uint16_t sll2_arphdtotype; /* ARPHRD_ type*/
34  uint8_t sll2_pkttype; /* packet type */
35  uint8_t sll2_addrlen; /* link-layer addr len*/
36  uint8_t sll2_addr[8]; /* link-layer address */
37 } __attribute__((__packed__)) Sll2Hdr;
38 
39 #endif /* SURICATA_DECODE_SLL2_H */
Sll2Hdr_::sll_protocol
uint16_t sll_protocol
Definition: decode-sll2.h:30
Sll2Hdr_::sll_ifindex
uint32_t sll_ifindex
Definition: decode-sll2.h:32
__attribute__
struct Sll2Hdr_ __attribute__((__packed__)) Sll2Hdr
DNP3 link header.
Definition: decode-vlan.c:102
Sll2Hdr_::sll2_pkttype
uint8_t sll2_pkttype
Definition: decode-sll2.h:34
Sll2Hdr_
Definition: decode-sll2.h:29
Sll2Hdr_::sll2_reservd
uint16_t sll2_reservd
Definition: decode-sll2.h:31
Sll2Hdr_::sll2_addr
uint8_t sll2_addr[8]
Definition: decode-sll2.h:36
Sll2Hdr_::sll2_arphdtotype
uint16_t sll2_arphdtotype
Definition: decode-sll2.h:33
Sll2Hdr_::sll2_addrlen
uint8_t sll2_addrlen
Definition: decode-sll2.h:35