mac80211.h

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/*------------------------------------------------------------------------------
 *-------------------------        ATH5K Driver          -----------------------
 *------------------------------------------------------------------------------
 *                                                           V1.0  08/02/2010
 *
 *
 *  Feb 2010 - Samuel Cabrero <samuelcabrero@gmail.com>
 *              Initial release
 *
 *  ----------------------------------------------------------------------------
 *  Copyright (C) 2000-2010, Universidad de Zaragoza, SPAIN
 *
 *  Autors:
 *              Samuel Cabrero        <samuelcabrero@gmail.com>
 *              Danilo Tardioli       <dantard@unizar.es>
 *              Jose Luis Villarroel  <jlvilla@unizar.es>
 *
 *  This is a simplified version of the original ath5k driver. It should work 
 *  with all Atheros 5xxx WLAN cards. The 802.11 layer have been removed so it
 *  just send and receive frames over the air, as if it were an Ethernet bus
 *  interface.
 *
 *  Please read ath5k_interface.h for instructions.
 *
 *  This program is distributed under the terms of GPL version 2 and 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.
 *
 *----------------------------------------------------------------------------*/


/*
 * mac80211 <-> driver interface
 *
 * Copyright 2002-2005, Devicescape Software, Inc.
 * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
 * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
 *
 * 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.
 */

#ifndef MAC80211_H
#define MAC80211_H

#include "ath5k_linux_layer.h"
#include "ieee80211.h"
#include "ath5k_interface.h"

enum ieee80211_band {
        IEEE80211_BAND_2GHZ,
        IEEE80211_BAND_5GHZ,

        /* keep last */
        IEEE80211_NUM_BANDS
};

struct ieee80211_channel {
                enum ieee80211_band band;
        u16 center_freq; /* frequency in MHz */
        u16 hw_value; /* hw specific value for the channel */
};

enum ieee80211_rate_flags {
        IEEE80211_RATE_SHORT_PREAMBLE   = 1<<0,
//        IEEE80211_RATE_MANDATORY_A      = 1<<1,
//        IEEE80211_RATE_MANDATORY_B      = 1<<2,
//        IEEE80211_RATE_MANDATORY_G      = 1<<3,
//        IEEE80211_RATE_ERP_G            = 1<<4,
};

struct ieee80211_rate {
        u32 flags;
        u16 bitrate;
        u16 hw_value, hw_value_short;
};

struct ieee80211_tx_info {
        u8 band;
        s8 rate_idx;
        u8 count;
        bool use_short_preamble;
        bool wait_for_ack;
};

struct ieee80211_rx_status {
        u64 mactime;
        enum ieee80211_band band;
        int freq;
        int signal;
        int noise;
        int qual;
        int antenna;
        int rate_idx;
        int flag;
};

enum nl80211_iftype {
        NL80211_IFTYPE_UNSPECIFIED,
        NL80211_IFTYPE_ADHOC,
        NL80211_IFTYPE_STATION,
        NL80211_IFTYPE_AP,
        NL80211_IFTYPE_AP_VLAN,
        NL80211_IFTYPE_WDS,
        NL80211_IFTYPE_MONITOR,
        NL80211_IFTYPE_MESH_POINT,

        /* keep last */
        __NL80211_IFTYPE_AFTER_LAST,
        NL80211_IFTYPE_MAX = __NL80211_IFTYPE_AFTER_LAST - 1
};

struct ieee80211_supported_band {
        struct ieee80211_channel *channels;
        struct ieee80211_rate *bitrates;
        enum ieee80211_band band;
        int n_channels;
        int n_bitrates;
};

struct ieee80211_low_level_stats {
        unsigned int dot11ACKFailureCount;
        unsigned int dot11RTSFailureCount;
        unsigned int dot11FCSErrorCount;
        unsigned int dot11RTSSuccessCount;
};

__le16 ath5k_generic_frame_duration(unsigned int mode,
                                                                                bool short_preamble,
                                        size_t frame_len,
                                        int rate);
int ath5k_get_hdrlen_from_skb(const struct sk_buff *skb);

extern int ath5k_frequency_to_channel(int freq);


#endif /* MAC80211_H */