root/include/linux/netfilter/nfnetlink_log.h

INCLUDED FROM

#ifndef _NFNETLINK_LOG_H
#define _NFNETLINK_LOG_H

/* This file describes the netlink messages (i.e. 'protocol packets'),
 * and not any kind of function definitions.  It is shared between kernel and
 * userspace.  Don't put kernel specific stuff in here */

#include <linux/types.h>
#include <linux/netfilter/nfnetlink.h>

enum nfulnl_msg_types {
        NFULNL_MSG_PACKET,              /* packet from kernel to userspace */
        NFULNL_MSG_CONFIG,              /* connect to a particular queue */

        NFULNL_MSG_MAX
};

struct nfulnl_msg_packet_hdr {
        __be16          hw_protocol;    /* hw protocol (network order) */
        u_int8_t        hook;           /* netfilter hook */
        u_int8_t        _pad;
};

struct nfulnl_msg_packet_hw {
        __be16          hw_addrlen;
        u_int16_t       _pad;
        u_int8_t        hw_addr[8];
};

struct nfulnl_msg_packet_timestamp {
        aligned_be64    sec;
        aligned_be64    usec;
};

enum nfulnl_attr_type {
        NFULA_UNSPEC,
        NFULA_PACKET_HDR,
        NFULA_MARK,                     /* u_int32_t nfmark */
        NFULA_TIMESTAMP,                /* nfulnl_msg_packet_timestamp */
        NFULA_IFINDEX_INDEV,            /* u_int32_t ifindex */
        NFULA_IFINDEX_OUTDEV,           /* u_int32_t ifindex */
        NFULA_IFINDEX_PHYSINDEV,        /* u_int32_t ifindex */
        NFULA_IFINDEX_PHYSOUTDEV,       /* u_int32_t ifindex */
        NFULA_HWADDR,                   /* nfulnl_msg_packet_hw */
        NFULA_PAYLOAD,                  /* opaque data payload */
        NFULA_PREFIX,                   /* string prefix */
        NFULA_UID,                      /* user id of socket */
        NFULA_SEQ,                      /* instance-local sequence number */
        NFULA_SEQ_GLOBAL,               /* global sequence number */
        NFULA_GID,                      /* group id of socket */
        NFULA_HWTYPE,                   /* hardware type */
        NFULA_HWHEADER,                 /* hardware header */
        NFULA_HWLEN,                    /* hardware header length */

        __NFULA_MAX
};
#define NFULA_MAX (__NFULA_MAX - 1)

enum nfulnl_msg_config_cmds {
        NFULNL_CFG_CMD_NONE,
        NFULNL_CFG_CMD_BIND,
        NFULNL_CFG_CMD_UNBIND,
        NFULNL_CFG_CMD_PF_BIND,
        NFULNL_CFG_CMD_PF_UNBIND,
};

struct nfulnl_msg_config_cmd {
        u_int8_t        command;        /* nfulnl_msg_config_cmds */
} __attribute__ ((packed));

struct nfulnl_msg_config_mode {
        __be32          copy_range;
        u_int8_t        copy_mode;
        u_int8_t        _pad;
} __attribute__ ((packed));

enum nfulnl_attr_config {
        NFULA_CFG_UNSPEC,
        NFULA_CFG_CMD,                  /* nfulnl_msg_config_cmd */
        NFULA_CFG_MODE,                 /* nfulnl_msg_config_mode */
        NFULA_CFG_NLBUFSIZ,             /* u_int32_t buffer size */
        NFULA_CFG_TIMEOUT,              /* u_int32_t in 1/100 s */
        NFULA_CFG_QTHRESH,              /* u_int32_t */
        NFULA_CFG_FLAGS,                /* u_int16_t */
        __NFULA_CFG_MAX
};
#define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)

#define NFULNL_COPY_NONE        0x00
#define NFULNL_COPY_META        0x01
#define NFULNL_COPY_PACKET      0x02

#define NFULNL_CFG_F_SEQ        0x0001
#define NFULNL_CFG_F_SEQ_GLOBAL 0x0002

#endif /* _NFNETLINK_LOG_H */