LXR linux/include/uapi/linux/netfilter/nfnetlink

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef _NFNETLINK_LOG_H
   3#define _NFNETLINK_LOG_H
   4
   5/* This file describes the netlink messages (i.e. 'protocol packets'),
   6 * and not any kind of function definitions.  It is shared between kernel and
   7 * userspace.  Don't put kernel specific stuff in here */
   8
   9#include <linux/types.h>
  10#include <linux/netfilter/nfnetlink.h>
  11
  12enum nfulnl_msg_types {
  13        NFULNL_MSG_PACKET,              /* packet from kernel to userspace */
  14        NFULNL_MSG_CONFIG,              /* connect to a particular queue */
  15
  16        NFULNL_MSG_MAX
  17};
  18
  19struct nfulnl_msg_packet_hdr {
  20        __be16          hw_protocol;    /* hw protocol (network order) */
  21        __u8    hook;           /* netfilter hook */
  22        __u8    _pad;
  23};
  24
  25struct nfulnl_msg_packet_hw {
  26        __be16          hw_addrlen;
  27        __u16   _pad;
  28        __u8    hw_addr[8];
  29};
  30
  31struct nfulnl_msg_packet_timestamp {
  32        __aligned_be64  sec;
  33        __aligned_be64  usec;
  34};
  35
  36enum nfulnl_attr_type {
  37        NFULA_UNSPEC,
  38        NFULA_PACKET_HDR,
  39        NFULA_MARK,                     /* __u32 nfmark */
  40        NFULA_TIMESTAMP,                /* nfulnl_msg_packet_timestamp */
  41        NFULA_IFINDEX_INDEV,            /* __u32 ifindex */
  42        NFULA_IFINDEX_OUTDEV,           /* __u32 ifindex */
  43        NFULA_IFINDEX_PHYSINDEV,        /* __u32 ifindex */
  44        NFULA_IFINDEX_PHYSOUTDEV,       /* __u32 ifindex */
  45        NFULA_HWADDR,                   /* nfulnl_msg_packet_hw */
  46        NFULA_PAYLOAD,                  /* opaque data payload */
  47        NFULA_PREFIX,                   /* string prefix */
  48        NFULA_UID,                      /* user id of socket */
  49        NFULA_SEQ,                      /* instance-local sequence number */
  50        NFULA_SEQ_GLOBAL,               /* global sequence number */
  51        NFULA_GID,                      /* group id of socket */
  52        NFULA_HWTYPE,                   /* hardware type */
  53        NFULA_HWHEADER,                 /* hardware header */
  54        NFULA_HWLEN,                    /* hardware header length */
  55        NFULA_CT,                       /* nf_conntrack_netlink.h */
  56        NFULA_CT_INFO,                  /* enum ip_conntrack_info */
  57
  58        __NFULA_MAX
  59};
  60#define NFULA_MAX (__NFULA_MAX - 1)
  61
  62enum nfulnl_msg_config_cmds {
  63        NFULNL_CFG_CMD_NONE,
  64        NFULNL_CFG_CMD_BIND,
  65        NFULNL_CFG_CMD_UNBIND,
  66        NFULNL_CFG_CMD_PF_BIND,
  67        NFULNL_CFG_CMD_PF_UNBIND,
  68};
  69
  70struct nfulnl_msg_config_cmd {
  71        __u8    command;        /* nfulnl_msg_config_cmds */
  72} __attribute__ ((packed));
  73
  74struct nfulnl_msg_config_mode {
  75        __be32          copy_range;
  76        __u8    copy_mode;
  77        __u8    _pad;
  78} __attribute__ ((packed));
  79
  80enum nfulnl_attr_config {
  81        NFULA_CFG_UNSPEC,
  82        NFULA_CFG_CMD,                  /* nfulnl_msg_config_cmd */
  83        NFULA_CFG_MODE,                 /* nfulnl_msg_config_mode */
  84        NFULA_CFG_NLBUFSIZ,             /* __u32 buffer size */
  85        NFULA_CFG_TIMEOUT,              /* __u32 in 1/100 s */
  86        NFULA_CFG_QTHRESH,              /* __u32 */
  87        NFULA_CFG_FLAGS,                /* __u16 */
  88        __NFULA_CFG_MAX
  89};
  90#define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
  91
  92#define NFULNL_COPY_NONE        0x00
  93#define NFULNL_COPY_META        0x01
  94#define NFULNL_COPY_PACKET      0x02
  95/* 0xff is reserved, don't use it for new copy modes. */
  96
  97#define NFULNL_CFG_F_SEQ        0x0001
  98#define NFULNL_CFG_F_SEQ_GLOBAL 0x0002
  99#define NFULNL_CFG_F_CONNTRACK  0x0004
 100
 101#endif /* _NFNETLINK_LOG_H */
 102