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/netfilter/nfnetlink.h>
   9
  10 enum nfulnl_msg_types {
  11         NFULNL_MSG_PACKET,              /* packet from kernel to userspace */
  12         NFULNL_MSG_CONFIG,              /* connect to a particular queue */
  13
  14         NFULNL_MSG_MAX
  15 };
  16
  17 struct nfulnl_msg_packet_hdr {
  18         u_int16_t       hw_protocol;    /* hw protocol (network order) */
  19         u_int8_t        hook;           /* netfilter hook */
  20         u_int8_t        _pad;
  21 } __attribute__ ((packed));
  22
  23 struct nfulnl_msg_packet_hw {
  24         u_int16_t       hw_addrlen;
  25         u_int16_t       _pad;
  26         u_int8_t        hw_addr[8];
  27 } __attribute__ ((packed));
  28
  29 struct nfulnl_msg_packet_timestamp {
  30         u_int64_t       sec;
  31         u_int64_t       usec;
  32 } __attribute__ ((packed));
  33
  34 #define NFULNL_PREFIXLEN        30      /* just like old log target */
  35
  36 enum nfulnl_attr_type {
  37         NFULA_UNSPEC,
  38         NFULA_PACKET_HDR,
  39         NFULA_MARK,                     /* u_int32_t nfmark */
  40         NFULA_TIMESTAMP,                /* nfulnl_msg_packet_timestamp */
  41         NFULA_IFINDEX_INDEV,            /* u_int32_t ifindex */
  42         NFULA_IFINDEX_OUTDEV,           /* u_int32_t ifindex */
  43         NFULA_HWADDR,                   /* nfulnl_msg_packet_hw */
  44         NFULA_PAYLOAD,                  /* opaque data payload */
  45         NFULA_PREFIX,                   /* string prefix */
  46         NFULA_UID,                      /* user id of socket */
  47
  48         __NFULA_MAX
  49 };
  50 #define NFULA_MAX (__NFULA_MAX - 1)
  51
  52 enum nfulnl_msg_config_cmds {
  53         NFULNL_CFG_CMD_NONE,
  54         NFULNL_CFG_CMD_BIND,
  55         NFULNL_CFG_CMD_UNBIND,
  56         NFULNL_CFG_CMD_PF_BIND,
  57         NFULNL_CFG_CMD_PF_UNBIND,
  58 };
  59
  60 struct nfulnl_msg_config_cmd {
  61         u_int8_t        command;        /* nfulnl_msg_config_cmds */
  62 } __attribute__ ((packed));
  63
  64 struct nfulnl_msg_config_mode {
  65         u_int32_t       copy_range;
  66         u_int8_t        copy_mode;
  67         u_int8_t        _pad;
  68 } __attribute__ ((packed));
  69
  70 enum nfulnl_attr_config {
  71         NFULA_CFG_UNSPEC,
  72         NFULA_CFG_CMD,                  /* nfulnl_msg_config_cmd */
  73         NFULA_CFG_MODE,                 /* nfulnl_msg_config_mode */
  74         NFULA_CFG_NLBUFSIZ,             /* u_int32_t buffer size */
  75         NFULA_CFG_TIMEOUT,              /* u_int32_t in 1/100 s */
  76         NFULA_CFG_QTHRESH,              /* u_int32_t */
  77         __NFULA_CFG_MAX
  78 };
  79 #define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
  80
  81 #define NFULNL_COPY_NONE        0x00
  82 #define NFULNL_COPY_META        0x01
  83 #define NFULNL_COPY_PACKET      0x02
  84
  85 #endif /* _NFNETLINK_LOG_H */