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         u_int16_t       hw_protocol;    /* hw protocol (network order) */
  20         u_int8_t        hook;           /* netfilter hook */
  21         u_int8_t        _pad;
  22 } __attribute__ ((packed));
  23
  24 struct nfulnl_msg_packet_hw {
  25         u_int16_t       hw_addrlen;
  26         u_int16_t       _pad;
  27         u_int8_t        hw_addr[8];
  28 } __attribute__ ((packed));
  29
  30 struct nfulnl_msg_packet_timestamp {
  31         aligned_u64     sec;
  32         aligned_u64     usec;
  33 } __attribute__ ((packed));
  34
  35 #define NFULNL_PREFIXLEN        30      /* just like old log target */
  36
  37 enum nfulnl_attr_type {
  38         NFULA_UNSPEC,
  39         NFULA_PACKET_HDR,
  40         NFULA_MARK,                     /* u_int32_t nfmark */
  41         NFULA_TIMESTAMP,                /* nfulnl_msg_packet_timestamp */
  42         NFULA_IFINDEX_INDEV,            /* u_int32_t ifindex */
  43         NFULA_IFINDEX_OUTDEV,           /* u_int32_t ifindex */
  44         NFULA_IFINDEX_PHYSINDEV,        /* u_int32_t ifindex */
  45         NFULA_IFINDEX_PHYSOUTDEV,       /* u_int32_t ifindex */
  46         NFULA_HWADDR,                   /* nfulnl_msg_packet_hw */
  47         NFULA_PAYLOAD,                  /* opaque data payload */
  48         NFULA_PREFIX,                   /* string prefix */
  49         NFULA_UID,                      /* user id of socket */
  50         NFULA_SEQ,                      /* instance-local sequence number */
  51         NFULA_SEQ_GLOBAL,               /* global sequence number */
  52
  53         __NFULA_MAX
  54 };
  55 #define NFULA_MAX (__NFULA_MAX - 1)
  56
  57 enum nfulnl_msg_config_cmds {
  58         NFULNL_CFG_CMD_NONE,
  59         NFULNL_CFG_CMD_BIND,
  60         NFULNL_CFG_CMD_UNBIND,
  61         NFULNL_CFG_CMD_PF_BIND,
  62         NFULNL_CFG_CMD_PF_UNBIND,
  63 };
  64
  65 struct nfulnl_msg_config_cmd {
  66         u_int8_t        command;        /* nfulnl_msg_config_cmds */
  67 } __attribute__ ((packed));
  68
  69 struct nfulnl_msg_config_mode {
  70         u_int32_t       copy_range;
  71         u_int8_t        copy_mode;
  72         u_int8_t        _pad;
  73 } __attribute__ ((packed));
  74
  75 enum nfulnl_attr_config {
  76         NFULA_CFG_UNSPEC,
  77         NFULA_CFG_CMD,                  /* nfulnl_msg_config_cmd */
  78         NFULA_CFG_MODE,                 /* nfulnl_msg_config_mode */
  79         NFULA_CFG_NLBUFSIZ,             /* u_int32_t buffer size */
  80         NFULA_CFG_TIMEOUT,              /* u_int32_t in 1/100 s */
  81         NFULA_CFG_QTHRESH,              /* u_int32_t */
  82         NFULA_CFG_FLAGS,                /* u_int16_t */
  83         __NFULA_CFG_MAX
  84 };
  85 #define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
  86
  87 #define NFULNL_COPY_NONE        0x00
  88 #define NFULNL_COPY_META        0x01
  89 #define NFULNL_COPY_PACKET      0x02
  90
  91 #define NFULNL_CFG_F_SEQ        0x0001
  92 #define NFULNL_CFG_F_SEQ_GLOBAL 0x0002
  93
  94 #endif /* _NFNETLINK_LOG_H */