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/*
This file is part of GNUnet
(C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file transport/plugin_transport_wlan.h
* @brief header for transport plugin and the helper for wlan
* @author David Brodski
*/
#ifndef PLUGIN_TRANSPORT_WLAN
#define PLUGIN_TRANSPORT_WLAN
#include <stdint.h>
#include "gnunet_common.h"
struct MacAddress
{
char mac[6];
};
struct Wlan_Helper_Control_Message
{
struct GNUNET_MessageHeader hdr;
struct MacAddress mac ;
};
/* Wlan IEEE80211 header default */
//Informations (in German) http://www.umtslink.at/content/WLAN_macheader-196.html
static const uint8_t u8aIeeeHeader[] =
{
0x08, 0x01, // Frame Control 0x08= 00001000 -> | b1,2 = 0 -> Version 0;
// b3,4 = 10 -> Data; b5-8 = 0 -> Normal Data
// 0x01 = 00000001 -> | b1 = 1 to DS; b2 = 0 not from DS;
0x00, 0x00, // Duration/ID
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // mac1 - in this case receiver
0x13, 0x22, 0x33, 0x44, 0x55, 0x66, // mac2 - in this case bssid
0x13, 0x22, 0x33, 0x44, 0x55, 0x66, // mac3 - in this case sender
0x10, 0x86, //Sequence Control
};
// gnunet bssid
static const char macbc[] =
{ 0x13, 0x22, 0x33, 0x44, 0x55, 0x66 };
// broadcast mac
static const char bc_all_mac[] =
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
/**
* Wlan header
*/
struct IeeeHeader
{
/**
* Wlan flags
*/
uint16_t frame_control GNUNET_PACKED;
/**
* Duration / ID
*/
uint16_t duration_id GNUNET_PACKED;
/**
* first mac byte 1
*/
struct MacAddress mac1;
/**
* second mac
*/
struct MacAddress mac2;
/**
* third mac
*/
struct MacAddress mac3;
/**
* Wlan Sequence Control
*/
uint16_t sequence_control GNUNET_PACKED;
};
/* this is the template radiotap header we send packets out with */
static const uint8_t u8aRadiotapHeader[] =
{
0x00, 0x00, // <-- radiotap version
0x19, 0x00, // <- radiotap header length
0x6f, 0x08, 0x00, 0x00, // <-- bitmap
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // <-- timestamp
0x00, // <-- flags (Offset +0x10)
0x6c, // <-- rate (0ffset +0x11)
0x71, 0x09, 0xc0, 0x00, // <-- channel
0xde, // <-- antsignal
0x00, // <-- antnoise
0x01, // <-- antenna
};
/**
* Radiotap Header
*/
struct RadiotapHeader
{
/**
* radiotap version
*/
uint16_t version GNUNET_PACKED;
/**
* radiotap header length
*/
uint16_t length GNUNET_PACKED;
/**
* bitmap
*/
uint32_t bitmap GNUNET_PACKED;
/**
* timestamp
*/
uint64_t timestamp GNUNET_PACKED;
/**
* radiotap flags
*/
uint8_t flags;
/**
* wlan send rate
*/
uint8_t rate;
// FIXME: unaligned here, is this OK?
/**
* Wlan channel
*/
uint32_t channel GNUNET_PACKED;
/**
* antsignal
*/
uint8_t antsignal;
/**
* antnoise
*/
uint8_t antnoise;
/**
* antenna
*/
uint8_t antenna;
};
#endif
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