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_vlan_attr {
  37        NFULA_VLAN_UNSPEC,
  38        NFULA_VLAN_PROTO,               /* __be16 skb vlan_proto */
  39        NFULA_VLAN_TCI,                 /* __be16 skb htons(vlan_tci) */
  40        __NFULA_VLAN_MAX,
  41};
  42
  43#define NFULA_VLAN_MAX (__NFULA_VLAN_MAX + 1)
  44
  45enum nfulnl_attr_type {
  46        NFULA_UNSPEC,
  47        NFULA_PACKET_HDR,
  48        NFULA_MARK,                     /* __u32 nfmark */
  49        NFULA_TIMESTAMP,                /* nfulnl_msg_packet_timestamp */
  50        NFULA_IFINDEX_INDEV,            /* __u32 ifindex */
  51        NFULA_IFINDEX_OUTDEV,           /* __u32 ifindex */
  52        NFULA_IFINDEX_PHYSINDEV,        /* __u32 ifindex */
  53        NFULA_IFINDEX_PHYSOUTDEV,       /* __u32 ifindex */
  54        NFULA_HWADDR,                   /* nfulnl_msg_packet_hw */
  55        NFULA_PAYLOAD,                  /* opaque data payload */
  56        NFULA_PREFIX,                   /* string prefix */
  57        NFULA_UID,                      /* user id of socket */
  58        NFULA_SEQ,                      /* instance-local sequence number */
  59        NFULA_SEQ_GLOBAL,               /* global sequence number */
  60        NFULA_GID,                      /* group id of socket */
  61        NFULA_HWTYPE,                   /* hardware type */
  62        NFULA_HWHEADER,                 /* hardware header */
  63        NFULA_HWLEN,                    /* hardware header length */
  64        NFULA_CT,                       /* nf_conntrack_netlink.h */
  65        NFULA_CT_INFO,                  /* enum ip_conntrack_info */
  66        NFULA_VLAN,                     /* nested attribute: packet vlan info */
  67        NFULA_L2HDR,                    /* full L2 header */
  68
  69        __NFULA_MAX
  70};
  71#define NFULA_MAX (__NFULA_MAX - 1)
  72
  73enum nfulnl_msg_config_cmds {
  74        NFULNL_CFG_CMD_NONE,
  75        NFULNL_CFG_CMD_BIND,
  76        NFULNL_CFG_CMD_UNBIND,
  77        NFULNL_CFG_CMD_PF_BIND,
  78        NFULNL_CFG_CMD_PF_UNBIND,
  79};
  80
  81struct nfulnl_msg_config_cmd {
  82        __u8    command;        /* nfulnl_msg_config_cmds */
  83} __attribute__ ((packed));
  84
  85struct nfulnl_msg_config_mode {
  86        __be32          copy_range;
  87        __u8    copy_mode;
  88        __u8    _pad;
  89} __attribute__ ((packed));
  90
  91enum nfulnl_attr_config {
  92        NFULA_CFG_UNSPEC,
  93        NFULA_CFG_CMD,                  /* nfulnl_msg_config_cmd */
  94        NFULA_CFG_MODE,                 /* nfulnl_msg_config_mode */
  95        NFULA_CFG_NLBUFSIZ,             /* __u32 buffer size */
  96        NFULA_CFG_TIMEOUT,              /* __u32 in 1/100 s */
  97        NFULA_CFG_QTHRESH,              /* __u32 */
  98        NFULA_CFG_FLAGS,                /* __u16 */
  99        __NFULA_CFG_MAX
 100};
 101#define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
 102
 103#define NFULNL_COPY_NONE        0x00
 104#define NFULNL_COPY_META        0x01
 105#define NFULNL_COPY_PACKET      0x02
 106/* 0xff is reserved, don't use it for new copy modes. */
 107
 108#define NFULNL_CFG_F_SEQ        0x0001
 109#define NFULNL_CFG_F_SEQ_GLOBAL 0x0002
 110#define NFULNL_CFG_F_CONNTRACK  0x0004
 111
 112#endif /* _NFNETLINK_LOG_H */
 113