suricata
source-pcap.h
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1 /* Copyright (C) 2007-2019 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 Victor Julien <victor@inliniac.net>
22  */
23 
24 #ifndef __SOURCE_PCAP_H__
25 #define __SOURCE_PCAP_H__
26 
27 void TmModuleReceivePcapRegister (void);
28 void TmModuleDecodePcapRegister (void);
29 void PcapTranslateIPToDevice(char *pcap_dev, size_t len);
30 
31 #define LIBPCAP_COPYWAIT 500
32 #define LIBPCAP_PROMISC 1
33 
34 /* per packet Pcap vars */
35 typedef struct PcapPacketVars_
36 {
37  uint32_t tenant_id;
39 
40 /** needs to be able to contain Windows adapter id's, so
41  * must be quite long. */
42 #define PCAP_IFACE_NAME_LENGTH 128
43 
44 typedef struct PcapIfaceConfig_
45 {
47  /* number of threads */
48  int threads;
49  /* socket buffer size */
51  /* snapshot length */
52  int snaplen;
53  /* promiscuous value */
54  int promisc;
55  /* BPF filter */
56  const char *bpf_filter;
58  SC_ATOMIC_DECLARE(unsigned int, ref);
59  void (*DerefFunc)(void *);
61 
62 #endif /* __SOURCE_PCAP_H__ */
#define SC_ATOMIC_DECLARE(type, name)
wrapper to declare an atomic variable including a (spin) lock to protect it.
Definition: util-atomic.h:56
const char * bpf_filter
Definition: source-pcap.h:56
#define PCAP_IFACE_NAME_LENGTH
Definition: source-pcap.h:42
ChecksumValidationMode checksum_mode
Definition: source-pcap.h:57
void PcapTranslateIPToDevice(char *pcap_dev, size_t len)
Definition: source-pcap.c:623
struct PcapPacketVars_ PcapPacketVars
uint32_t tenant_id
Definition: source-pcap.h:37
void TmModuleReceivePcapRegister(void)
Registration Function for RecievePcap.
Definition: source-pcap.c:110
ChecksumValidationMode
Definition: decode.h:40
struct PcapIfaceConfig_ PcapIfaceConfig
uint8_t len
void TmModuleDecodePcapRegister(void)
Registration Function for DecodePcap.
Definition: source-pcap.c:124