contrib/hostapd/hostapd/hw_features.h

   1 /*
   2  * hostapd / Hardware feature query and different modes
   3  * Copyright 2002-2003, Instant802 Networks, Inc.
   4  * Copyright 2005-2006, Devicescape Software, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  * Alternatively, this software may be distributed under the terms of BSD
  11  * license.
  12  *
  13  * See README and COPYING for more details.
  14  */
  15
  16 #ifndef HW_FEATURES_H
  17 #define HW_FEATURES_H
  18
  19 #define HOSTAPD_CHAN_DISABLED 0x00000001
  20 #define HOSTAPD_CHAN_PASSIVE_SCAN 0x00000002
  21 #define HOSTAPD_CHAN_NO_IBSS 0x00000004
  22 #define HOSTAPD_CHAN_RADAR 0x00000008
  23
  24 struct hostapd_channel_data {
  25         short chan; /* channel number (IEEE 802.11) */
  26         short freq; /* frequency in MHz */
  27         int flag; /* flag for hostapd use (HOSTAPD_CHAN_*) */
  28         u8 max_tx_power; /* maximum transmit power in dBm */
  29 };
  30
  31 #define HOSTAPD_RATE_ERP 0x00000001
  32 #define HOSTAPD_RATE_BASIC 0x00000002
  33 #define HOSTAPD_RATE_PREAMBLE2 0x00000004
  34 #define HOSTAPD_RATE_SUPPORTED 0x00000010
  35 #define HOSTAPD_RATE_OFDM 0x00000020
  36 #define HOSTAPD_RATE_CCK 0x00000040
  37 #define HOSTAPD_RATE_MANDATORY 0x00000100
  38
  39 struct hostapd_rate_data {
  40         int rate; /* rate in 100 kbps */
  41         int flags; /* HOSTAPD_RATE_ flags */
  42 };
  43
  44 struct hostapd_hw_modes {
  45         int mode;
  46         int num_channels;
  47         struct hostapd_channel_data *channels;
  48         int num_rates;
  49         struct hostapd_rate_data *rates;
  50         u16 ht_capab;
  51 };
  52
  53
  54 void hostapd_free_hw_features(struct hostapd_hw_modes *hw_features,
  55                               size_t num_hw_features);
  56 int hostapd_get_hw_features(struct hostapd_iface *iface);
  57 int hostapd_select_hw_mode(struct hostapd_iface *iface);
  58 const char * hostapd_hw_mode_txt(int mode);
  59 int hostapd_hw_get_freq(struct hostapd_data *hapd, int chan);
  60 int hostapd_hw_get_channel(struct hostapd_data *hapd, int freq);
  61
  62 #endif /* HW_FEATURES_H */