include/linux/netfilter/nfnetlink_log.h

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