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/*
This file is part of GNUnet
(C) 2010, 2011 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"
/**
* Number fo bytes in a mac address.
*/
#define MAC_ADDR_SIZE 6
GNUNET_NETWORK_STRUCT_BEGIN
/**
* A MAC Address.
*/
struct GNUNET_TRANSPORT_WLAN_MacAddress
{
uint8_t mac[MAC_ADDR_SIZE];
};
/**
* Format of a WLAN Control Message.
*/
struct GNUNET_TRANSPORT_WLAN_HelperControlMessage
{
/**
* Message header. Type is
* GNUNET_MESSAGE_TYPE_WLAN_HELPER_CONTROL
*/
struct GNUNET_MessageHeader hdr;
/**
* MAC Address of the local WLAN interface.
*/
struct GNUNET_TRANSPORT_WLAN_MacAddress mac;
};
GNUNET_NETWORK_STRUCT_END
/**
* GNUnet bssid
*/
static const struct GNUNET_TRANSPORT_WLAN_MacAddress mac_bssid_gnunet = {
{0x13, 0x22, 0x33, 0x44, 0x55, 0x66}
};
/**
* Broadcast MAC
*/
static const struct GNUNET_TRANSPORT_WLAN_MacAddress bc_all_mac = {
{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
};
struct Radiotap_Send
{
/**
* wlan send rate
*/
uint8_t rate;
/**
* Antenna; the first antenna is 0.
*/
uint8_t antenna;
/**
* Transmit power expressed as unitless distance from max power set at factory calibration.
* 0 is max power. Monotonically nondecreasing with lower power levels.
*/
uint16_t tx_power;
};
/**
* struct to represent infos gathered form the radiotap fields, see RadiotapHeader for more Infos
*/
struct Radiotap_rx
{
/**
* FIXME: not initialized properly so far. (supposed to contain
* information about which of the fields below are actually valid).
*/
uint32_t ri_present;
/**
* IEEE80211_RADIOTAP_TSFT
*/
uint64_t ri_mactime;
/**
* from radiotap
* either IEEE80211_RADIOTAP_DBM_ANTSIGNAL
* or IEEE80211_RADIOTAP_DB_ANTSIGNAL
*/
int32_t ri_power;
/**
* either IEEE80211_RADIOTAP_DBM_ANTNOISE
* or IEEE80211_RADIOTAP_DB_ANTNOISE
*/
int32_t ri_noise;
/**
* IEEE80211_RADIOTAP_CHANNEL
*/
uint32_t ri_channel;
/**
* Frequency we use. FIXME: not properly initialized so far!
*/
uint32_t ri_freq;
/**
* IEEE80211_RADIOTAP_RATE * 50000
*/
uint32_t ri_rate;
/**
* IEEE80211_RADIOTAP_ANTENNA
*/
uint32_t ri_antenna;
};
#endif
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