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         u_int8_t        hook;           /* netfilter hook */
  21         u_int8_t        _pad;
  22 };
  23
  24 struct nfulnl_msg_packet_hw {
  25         __be16          hw_addrlen;
  26         u_int16_t       _pad;
  27         u_int8_t        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,                     /* u_int32_t nfmark */
  39         NFULA_TIMESTAMP,                /* nfulnl_msg_packet_timestamp */
  40         NFULA_IFINDEX_INDEV,            /* u_int32_t ifindex */
  41         NFULA_IFINDEX_OUTDEV,           /* u_int32_t ifindex */
  42         NFULA_IFINDEX_PHYSINDEV,        /* u_int32_t ifindex */
  43         NFULA_IFINDEX_PHYSOUTDEV,       /* u_int32_t 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
  51         __NFULA_MAX
  52 };
  53 #define NFULA_MAX (__NFULA_MAX - 1)
  54
  55 enum nfulnl_msg_config_cmds {
  56         NFULNL_CFG_CMD_NONE,
  57         NFULNL_CFG_CMD_BIND,
  58         NFULNL_CFG_CMD_UNBIND,
  59         NFULNL_CFG_CMD_PF_BIND,
  60         NFULNL_CFG_CMD_PF_UNBIND,
  61 };
  62
  63 struct nfulnl_msg_config_cmd {
  64         u_int8_t        command;        /* nfulnl_msg_config_cmds */
  65 } __attribute__ ((packed));
  66
  67 struct nfulnl_msg_config_mode {
  68         __be32          copy_range;
  69         u_int8_t        copy_mode;
  70         u_int8_t        _pad;
  71 } __attribute__ ((packed));
  72
  73 enum nfulnl_attr_config {
  74         NFULA_CFG_UNSPEC,
  75         NFULA_CFG_CMD,                  /* nfulnl_msg_config_cmd */
  76         NFULA_CFG_MODE,                 /* nfulnl_msg_config_mode */
  77         NFULA_CFG_NLBUFSIZ,             /* u_int32_t buffer size */
  78         NFULA_CFG_TIMEOUT,              /* u_int32_t in 1/100 s */
  79         NFULA_CFG_QTHRESH,              /* u_int32_t */
  80         NFULA_CFG_FLAGS,                /* u_int16_t */
  81         __NFULA_CFG_MAX
  82 };
  83 #define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
  84
  85 #define NFULNL_COPY_NONE        0x00
  86 #define NFULNL_COPY_META        0x01
  87 #define NFULNL_COPY_PACKET      0x02
  88
  89 #define NFULNL_CFG_F_SEQ        0x0001
  90 #define NFULNL_CFG_F_SEQ_GLOBAL 0x0002
  91
  92 #endif /* _NFNETLINK_LOG_H */