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

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _UAPI_NFNETLINK_H
   3#define _UAPI_NFNETLINK_H
   4#include <linux/types.h>
   5#include <linux/netfilter/nfnetlink_compat.h>
   6
   7enum nfnetlink_groups {
   8        NFNLGRP_NONE,
   9#define NFNLGRP_NONE                    NFNLGRP_NONE
  10        NFNLGRP_CONNTRACK_NEW,
  11#define NFNLGRP_CONNTRACK_NEW           NFNLGRP_CONNTRACK_NEW
  12        NFNLGRP_CONNTRACK_UPDATE,
  13#define NFNLGRP_CONNTRACK_UPDATE        NFNLGRP_CONNTRACK_UPDATE
  14        NFNLGRP_CONNTRACK_DESTROY,
  15#define NFNLGRP_CONNTRACK_DESTROY       NFNLGRP_CONNTRACK_DESTROY
  16        NFNLGRP_CONNTRACK_EXP_NEW,
  17#define NFNLGRP_CONNTRACK_EXP_NEW       NFNLGRP_CONNTRACK_EXP_NEW
  18        NFNLGRP_CONNTRACK_EXP_UPDATE,
  19#define NFNLGRP_CONNTRACK_EXP_UPDATE    NFNLGRP_CONNTRACK_EXP_UPDATE
  20        NFNLGRP_CONNTRACK_EXP_DESTROY,
  21#define NFNLGRP_CONNTRACK_EXP_DESTROY   NFNLGRP_CONNTRACK_EXP_DESTROY
  22        NFNLGRP_NFTABLES,
  23#define NFNLGRP_NFTABLES                NFNLGRP_NFTABLES
  24        NFNLGRP_ACCT_QUOTA,
  25#define NFNLGRP_ACCT_QUOTA              NFNLGRP_ACCT_QUOTA
  26        NFNLGRP_NFTRACE,
  27#define NFNLGRP_NFTRACE                 NFNLGRP_NFTRACE
  28        __NFNLGRP_MAX,
  29};
  30#define NFNLGRP_MAX     (__NFNLGRP_MAX - 1)
  31
  32/* General form of address family dependent message.
  33 */
  34struct nfgenmsg {
  35        __u8  nfgen_family;             /* AF_xxx */
  36        __u8  version;          /* nfnetlink version */
  37        __be16    res_id;               /* resource id */
  38};
  39
  40#define NFNETLINK_V0    0
  41
  42/* netfilter netlink message types are split in two pieces:
  43 * 8 bit subsystem, 8bit operation.
  44 */
  45
  46#define NFNL_SUBSYS_ID(x)       ((x & 0xff00) >> 8)
  47#define NFNL_MSG_TYPE(x)        (x & 0x00ff)
  48
  49/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
  50 * won't work anymore */
  51#define NFNL_SUBSYS_NONE                0
  52#define NFNL_SUBSYS_CTNETLINK           1
  53#define NFNL_SUBSYS_CTNETLINK_EXP       2
  54#define NFNL_SUBSYS_QUEUE               3
  55#define NFNL_SUBSYS_ULOG                4
  56#define NFNL_SUBSYS_OSF                 5
  57#define NFNL_SUBSYS_IPSET               6
  58#define NFNL_SUBSYS_ACCT                7
  59#define NFNL_SUBSYS_CTNETLINK_TIMEOUT   8
  60#define NFNL_SUBSYS_CTHELPER            9
  61#define NFNL_SUBSYS_NFTABLES            10
  62#define NFNL_SUBSYS_NFT_COMPAT          11
  63#define NFNL_SUBSYS_COUNT               12
  64
  65/* Reserved control nfnetlink messages */
  66#define NFNL_MSG_BATCH_BEGIN            NLMSG_MIN_TYPE
  67#define NFNL_MSG_BATCH_END              NLMSG_MIN_TYPE+1
  68
  69/**
  70 * enum nfnl_batch_attributes - nfnetlink batch netlink attributes
  71 *
  72 * @NFNL_BATCH_GENID: generation ID for this changeset (NLA_U32)
  73 */
  74enum nfnl_batch_attributes {
  75        NFNL_BATCH_UNSPEC,
  76        NFNL_BATCH_GENID,
  77        __NFNL_BATCH_MAX
  78};
  79#define NFNL_BATCH_MAX                  (__NFNL_BATCH_MAX - 1)
  80
  81#endif /* _UAPI_NFNETLINK_H */
  82