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 #ifndef aligned_be64
   9 #define aligned_be64 u_int64_t __attribute__((aligned(8)))
  10 #endif
  11
  12 #include <linux/types.h>
  13 #include <linux/netfilter/nfnetlink.h>
  14
  15 enum nfulnl_msg_types {
  16         NFULNL_MSG_PACKET,              /* packet from kernel to userspace */
  17         NFULNL_MSG_CONFIG,              /* connect to a particular queue */
  18
  19         NFULNL_MSG_MAX
  20 };
  21
  22 struct nfulnl_msg_packet_hdr {
  23         __be16          hw_protocol;    /* hw protocol (network order) */
  24         u_int8_t        hook;           /* netfilter hook */
  25         u_int8_t        _pad;
  26 };
  27
  28 struct nfulnl_msg_packet_hw {
  29         __be16          hw_addrlen;
  30         u_int16_t       _pad;
  31         u_int8_t        hw_addr[8];
  32 };
  33
  34 struct nfulnl_msg_packet_timestamp {
  35         aligned_be64    sec;
  36         aligned_be64    usec;
  37 };
  38
  39 enum nfulnl_attr_type {
  40         NFULA_UNSPEC,
  41         NFULA_PACKET_HDR,
  42         NFULA_MARK,                     /* u_int32_t nfmark */
  43         NFULA_TIMESTAMP,                /* nfulnl_msg_packet_timestamp */
  44         NFULA_IFINDEX_INDEV,            /* u_int32_t ifindex */
  45         NFULA_IFINDEX_OUTDEV,           /* u_int32_t ifindex */
  46         NFULA_IFINDEX_PHYSINDEV,        /* u_int32_t ifindex */
  47         NFULA_IFINDEX_PHYSOUTDEV,       /* u_int32_t ifindex */
  48         NFULA_HWADDR,                   /* nfulnl_msg_packet_hw */
  49         NFULA_PAYLOAD,                  /* opaque data payload */
  50         NFULA_PREFIX,                   /* string prefix */
  51         NFULA_UID,                      /* user id of socket */
  52         NFULA_SEQ,                      /* instance-local sequence number */
  53         NFULA_SEQ_GLOBAL,               /* global sequence number */
  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         u_int8_t        command;        /* nfulnl_msg_config_cmds */
  69 } __attribute__ ((packed));
  70
  71 struct nfulnl_msg_config_mode {
  72         __be32          copy_range;
  73         u_int8_t        copy_mode;
  74         u_int8_t        _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,             /* u_int32_t buffer size */
  82         NFULA_CFG_TIMEOUT,              /* u_int32_t in 1/100 s */
  83         NFULA_CFG_QTHRESH,              /* u_int32_t */
  84         NFULA_CFG_FLAGS,                /* u_int16_t */
  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
  93 #define NFULNL_CFG_F_SEQ        0x0001
  94 #define NFULNL_CFG_F_SEQ_GLOBAL 0x0002
  95
  96 #endif /* _NFNETLINK_LOG_H */