root/include/uapi/linux/netfilter/nfnetlink.h

INCLUDED FROM

#ifndef _UAPI_NFNETLINK_H
#define _UAPI_NFNETLINK_H
#include <linux/types.h>
#include <linux/netfilter/nfnetlink_compat.h>

enum nfnetlink_groups {
        NFNLGRP_NONE,
#define NFNLGRP_NONE                    NFNLGRP_NONE
        NFNLGRP_CONNTRACK_NEW,
#define NFNLGRP_CONNTRACK_NEW           NFNLGRP_CONNTRACK_NEW
        NFNLGRP_CONNTRACK_UPDATE,
#define NFNLGRP_CONNTRACK_UPDATE        NFNLGRP_CONNTRACK_UPDATE
        NFNLGRP_CONNTRACK_DESTROY,
#define NFNLGRP_CONNTRACK_DESTROY       NFNLGRP_CONNTRACK_DESTROY
        NFNLGRP_CONNTRACK_EXP_NEW,
#define NFNLGRP_CONNTRACK_EXP_NEW       NFNLGRP_CONNTRACK_EXP_NEW
        NFNLGRP_CONNTRACK_EXP_UPDATE,
#define NFNLGRP_CONNTRACK_EXP_UPDATE    NFNLGRP_CONNTRACK_EXP_UPDATE
        NFNLGRP_CONNTRACK_EXP_DESTROY,
#define NFNLGRP_CONNTRACK_EXP_DESTROY   NFNLGRP_CONNTRACK_EXP_DESTROY
        NFNLGRP_NFTABLES,
#define NFNLGRP_NFTABLES                NFNLGRP_NFTABLES
        NFNLGRP_ACCT_QUOTA,
#define NFNLGRP_ACCT_QUOTA              NFNLGRP_ACCT_QUOTA
        __NFNLGRP_MAX,
};
#define NFNLGRP_MAX     (__NFNLGRP_MAX - 1)

/* General form of address family dependent message.
 */
struct nfgenmsg {
        __u8  nfgen_family;             /* AF_xxx */
        __u8  version;          /* nfnetlink version */
        __be16    res_id;               /* resource id */
};

#define NFNETLINK_V0    0

/* netfilter netlink message types are split in two pieces:
 * 8 bit subsystem, 8bit operation.
 */

#define NFNL_SUBSYS_ID(x)       ((x & 0xff00) >> 8)
#define NFNL_MSG_TYPE(x)        (x & 0x00ff)

/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
 * won't work anymore */
#define NFNL_SUBSYS_NONE                0
#define NFNL_SUBSYS_CTNETLINK           1
#define NFNL_SUBSYS_CTNETLINK_EXP       2
#define NFNL_SUBSYS_QUEUE               3
#define NFNL_SUBSYS_ULOG                4
#define NFNL_SUBSYS_OSF                 5
#define NFNL_SUBSYS_IPSET               6
#define NFNL_SUBSYS_ACCT                7
#define NFNL_SUBSYS_CTNETLINK_TIMEOUT   8
#define NFNL_SUBSYS_CTHELPER            9
#define NFNL_SUBSYS_NFTABLES            10
#define NFNL_SUBSYS_NFT_COMPAT          11
#define NFNL_SUBSYS_COUNT               12

/* Reserved control nfnetlink messages */
#define NFNL_MSG_BATCH_BEGIN            NLMSG_MIN_TYPE
#define NFNL_MSG_BATCH_END              NLMSG_MIN_TYPE+1

#endif /* _UAPI_NFNETLINK_H */