source-pcap.h

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/* Copyright (C) 2007-2019 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 Victor Julien <victor@inliniac.net>
 */
 
#ifndef SURICATA_SOURCE_PCAP_H
#define SURICATA_SOURCE_PCAP_H
 
typedef struct PcapFileFileVars_ PcapFileFileVars;
 
void TmModuleReceivePcapRegister (void);
void TmModuleDecodePcapRegister (void);
void PcapTranslateIPToDevice(char *pcap_dev, size_t len);
 
#define LIBPCAP_COPYWAIT    500
#define LIBPCAP_PROMISC     1
 
/* per packet Pcap vars */
typedef struct PcapPacketVars_ {
    uint64_t pcap_cnt;
    uint32_t tenant_id;
    PcapFileFileVars *pfv;
} PcapPacketVars;
 
/** needs to be able to contain Windows adapter id's, so
 *  must be quite long. */
#define PCAP_IFACE_NAME_LENGTH 128
 
typedef struct PcapIfaceConfig_
{
    char iface[PCAP_IFACE_NAME_LENGTH];
    /* number of threads */
    uint16_t threads;
    /* socket buffer size */
    int buffer_size;
    /* snapshot length */
    int snaplen;
    /* promiscuous value */
    int promisc;
    /* BPF filter */
    const char *bpf_filter;
    ChecksumValidationMode checksum_mode;
    SC_ATOMIC_DECLARE(unsigned int, ref);
    void (*DerefFunc)(void *);
} PcapIfaceConfig;
 
#endif /* SURICATA_SOURCE_PCAP_H */