/* Netfilter Driver for IPSec VPN Client
 *
 * Copyright(c)   2012 Samsung Electronics
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

/*
 * usermodeforwarder.h
 *
 * Message types for kernel to userspace messaging.
 *
 */

#ifndef USERMODEFORWARDER_H
#define USERMODEFORWARDER_H

/* Allocate message numbers from the platform-specific portion. */

/** Received packet or packet to be sent.
      - uint32 flags
      - uint32 ifnum
      - uint32 protocol
      - uint32 media_header_len    (0 for packets going up)
      - uint16 route_selector      (0 in media level interceptor builds)
      - string packet data
      - uint32 extension
        repeats SSH_INTERCEPTOR_NUM_EXTENSION_SELECTORS times. */
#define SSH_ENGINE_IPM_FORWARDER_PACKET                 201

/** Routing request from user mode.
      - string destination
      - uint32 request id */
#define SSH_ENGINE_IPM_FORWARDER_ROUTEREQ               202

/** Routing reply from kernel.
      - uint32 id
      - uint32 reachable
      - uint32 ifnum
      - uint32 mtu
      - string next_hop_gw */
#define SSH_ENGINE_IPM_FORWARDER_ROUTEREPLY             203

/** Interfaces information from kernel:
      - uint32 num_interfaces.

      Repeats:
        - uint32 media
        - uint32 mtu
        - string name
        - string media_addr
        - uint32 num_addrs
        - string addrs array as binary data */
#define SSH_ENGINE_IPM_FORWARDER_INTERFACES             204

/** Route change notification.  No data. */
#define SSH_ENGINE_IPM_FORWARDER_ROUTECHANGE            205

/** Kernel version string. */
#define SSH_ENGINE_IPM_FORWARDER_VERSION                206

#define SSH_ENGINE_IPM_FORWARDER_SET_DEBUG              208

/** Enable / disable packet interception:
    - uint32 enable (1 to enable, 0 to disable) */
#define SSH_ENGINE_IPM_FORWARDER_ENABLE_INTERCEPTION    215

#define SSH_ENGINE_IPM_FORWARDER_INTERNAL_DATA_DISCARDED         216

/** Send a packet to local stack. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_SEND           220
/** Attach a virtual adapter to Engine. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_ATTACH         221
/** Detach a virtual adapter from Engine. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_DETACH         222
/** Detach all virtual adapters from Engine. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_DETACH_ALL     223
/** Configure virtual adapter. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_CONFIGURE      224
/** Enumerate virtual adapters. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_GET_STATUS     225
/** Virtual adapter status callback. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_STATUS_CB      226
/** Virtual adapter packet callback. */
#define SSH_ENGINE_IPM_FORWARDER_VIRTUAL_ADAPTER_PACKET_CB      227

#endif /* USERMODEFORWARDER_H */