include/uapi/linux/netfilter/nfnetlink_log.h

   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
  12 enum 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
  19 struct nfulnl_msg_packet_hdr {
  20         __be16          hw_protocol;    /* hw protocol (network order) */
  21         __u8    hook;           /* netfilter hook */
  22         __u8    _pad;
  23 };
  24
  25 struct nfulnl_msg_packet_hw {
  26         __be16          hw_addrlen;
  27         __u16   _pad;
  28         __u8    hw_addr[8];
  29 };
  30
  31 struct nfulnl_msg_packet_timestamp {
  32         __aligned_be64  sec;
  33         __aligned_be64  usec;
  34 };
  35
  36 enum 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
  45 enum 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
  73 enum 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
  81 struct nfulnl_msg_config_cmd {
  82         __u8    command;        /* nfulnl_msg_config_cmds */
  83 } __attribute__ ((packed));
  84
  85 struct nfulnl_msg_config_mode {
  86         __be32          copy_range;
  87         __u8    copy_mode;
  88         __u8    _pad;
  89 } __attribute__ ((packed));
  90
  91 enum 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 */