src/xt_user.h

   1 /*
   2  * Lightweight Autonomic Network Architecture
   3  *
   4  * Copyright 2011 Daniel Borkmann <dborkma@tik.ee.ethz.ch>,
   5  * Swiss federal institute of technology (ETH Zurich)
   6  * Subject to the GPL.
   7  */
   8
   9 #ifndef XT_USER_H
  10 #define XT_USER_H
  11
  12 #include <linux/types.h>
  13
  14 #include "xt_vlink.h"
  15 #include "xt_fblock.h"
  16
  17 #define NETLINK_USERCTL 24
  18
  19 enum userctl_groups {
  20         USERCTLGRP_NONE = VLINKNLGRP_MAX, /* Reserved */
  21 #define USERCTLGRP_NONE         USERCTLGRP_NONE
  22         USERCTLGRP_CONF,
  23 #define USERCTLGRP_CONF         USERCTLGRP_CONF
  24          __USERCTLGRP_MAX
  25 };
  26
  27 #define USERCTLGRP_MAX          (__USERCTLGRP_MAX - 1)
  28 #define USERCTL_BUF_LEN         1500
  29
  30 #define NETLINK_USERCTL_CMD_ADD         1
  31 #define NETLINK_USERCTL_CMD_SET         2
  32 #define NETLINK_USERCTL_CMD_RM          3
  33 #define NETLINK_USERCTL_CMD_BIND        4
  34 #define NETLINK_USERCTL_CMD_UNBIND      5
  35 #define NETLINK_USERCTL_CMD_REPLACE     6
  36 #define NETLINK_USERCTL_CMD_SUBSCRIBE   7
  37 #define NETLINK_USERCTL_CMD_UNSUBSCRIBE 8
  38
  39 struct lananlmsg_add {
  40         char name[FBNAMSIZ];
  41         char type[TYPNAMSIZ];
  42 };
  43
  44 struct lananlmsg_rm {
  45         char name[FBNAMSIZ];
  46 };
  47
  48 struct lananlmsg_set {
  49         char name[FBNAMSIZ];
  50         /* 0-terminated string, e.g. "myip=192.168.1.111" */
  51         char option[USERCTL_BUF_LEN - FBNAMSIZ];
  52 };
  53
  54 struct lananlmsg_tuple {
  55         char name1[FBNAMSIZ];
  56         char name2[FBNAMSIZ];
  57 };
  58
  59 struct lananlmsg_replace {
  60         char name1[FBNAMSIZ];
  61         char name2[FBNAMSIZ];
  62         uint8_t drop_priv;
  63 };
  64
  65 extern int init_userctl_system(void);
  66 extern void cleanup_userctl_system(void);
  67
  68 struct lananlmsg {
  69         uint32_t cmd;
  70         uint8_t buff[USERCTL_BUF_LEN];
  71 };
  72
  73 #endif /* XT_USER_H */
  74