LXR linux/include/linux/netfilter/nfnetlink

   1#ifndef _NFNETLINK_QUEUE_H
   2#define _NFNETLINK_QUEUE_H
   3
   4#include <linux/types.h>
   5#include <linux/netfilter/nfnetlink.h>
   6
   7enum nfqnl_msg_types {
   8        NFQNL_MSG_PACKET,               /* packet from kernel to userspace */
   9        NFQNL_MSG_VERDICT,              /* verdict from userspace to kernel */
  10        NFQNL_MSG_CONFIG,               /* connect to a particular queue */
  11        NFQNL_MSG_VERDICT_BATCH,        /* batchv from userspace to kernel */
  12
  13        NFQNL_MSG_MAX
  14};
  15
  16struct nfqnl_msg_packet_hdr {
  17        __be32          packet_id;      /* unique ID of packet in queue */
  18        __be16          hw_protocol;    /* hw protocol (network order) */
  19        __u8    hook;           /* netfilter hook */
  20} __attribute__ ((packed));
  21
  22struct nfqnl_msg_packet_hw {
  23        __be16          hw_addrlen;
  24        __u16   _pad;
  25        __u8    hw_addr[8];
  26};
  27
  28struct nfqnl_msg_packet_timestamp {
  29        __aligned_be64  sec;
  30        __aligned_be64  usec;
  31};
  32
  33enum nfqnl_attr_type {
  34        NFQA_UNSPEC,
  35        NFQA_PACKET_HDR,
  36        NFQA_VERDICT_HDR,               /* nfqnl_msg_verdict_hrd */
  37        NFQA_MARK,                      /* __u32 nfmark */
  38        NFQA_TIMESTAMP,                 /* nfqnl_msg_packet_timestamp */
  39        NFQA_IFINDEX_INDEV,             /* __u32 ifindex */
  40        NFQA_IFINDEX_OUTDEV,            /* __u32 ifindex */
  41        NFQA_IFINDEX_PHYSINDEV,         /* __u32 ifindex */
  42        NFQA_IFINDEX_PHYSOUTDEV,        /* __u32 ifindex */
  43        NFQA_HWADDR,                    /* nfqnl_msg_packet_hw */
  44        NFQA_PAYLOAD,                   /* opaque data payload */
  45
  46        __NFQA_MAX
  47};
  48#define NFQA_MAX (__NFQA_MAX - 1)
  49
  50struct nfqnl_msg_verdict_hdr {
  51        __be32 verdict;
  52        __be32 id;
  53};
  54
  55
  56enum nfqnl_msg_config_cmds {
  57        NFQNL_CFG_CMD_NONE,
  58        NFQNL_CFG_CMD_BIND,
  59        NFQNL_CFG_CMD_UNBIND,
  60        NFQNL_CFG_CMD_PF_BIND,
  61        NFQNL_CFG_CMD_PF_UNBIND,
  62};
  63
  64struct nfqnl_msg_config_cmd {
  65        __u8    command;        /* nfqnl_msg_config_cmds */
  66        __u8    _pad;
  67        __be16          pf;             /* AF_xxx for PF_[UN]BIND */
  68};
  69
  70enum nfqnl_config_mode {
  71        NFQNL_COPY_NONE,
  72        NFQNL_COPY_META,
  73        NFQNL_COPY_PACKET,
  74};
  75
  76struct nfqnl_msg_config_params {
  77        __be32          copy_range;
  78        __u8    copy_mode;      /* enum nfqnl_config_mode */
  79} __attribute__ ((packed));
  80
  81
  82enum nfqnl_attr_config {
  83        NFQA_CFG_UNSPEC,
  84        NFQA_CFG_CMD,                   /* nfqnl_msg_config_cmd */
  85        NFQA_CFG_PARAMS,                /* nfqnl_msg_config_params */
  86        NFQA_CFG_QUEUE_MAXLEN,          /* __u32 */
  87        __NFQA_CFG_MAX
  88};
  89#define NFQA_CFG_MAX (__NFQA_CFG_MAX-1)
  90
  91#endif /* _NFNETLINK_QUEUE_H */
  92