drivers/net/wireless/zd1211rw/zd_ieee80211.h

   1 #ifndef _ZD_IEEE80211_H
   2 #define _ZD_IEEE80211_H
   3
   4 #include <net/ieee80211.h>
   5 #include "zd_types.h"
   6
   7 /* Additional definitions from the standards.
   8  */
   9
  10 #define ZD_REGDOMAIN_FCC        0x10
  11 #define ZD_REGDOMAIN_IC         0x20
  12 #define ZD_REGDOMAIN_ETSI       0x30
  13 #define ZD_REGDOMAIN_SPAIN      0x31
  14 #define ZD_REGDOMAIN_FRANCE     0x32
  15 #define ZD_REGDOMAIN_JAPAN_ADD  0x40
  16 #define ZD_REGDOMAIN_JAPAN      0x41
  17
  18 enum {
  19         MIN_CHANNEL24 = 1,
  20         MAX_CHANNEL24 = 14,
  21 };
  22
  23 struct channel_range {
  24         u8 start;
  25         u8 end; /* exclusive (channel must be less than end) */
  26 };
  27
  28 struct iw_freq;
  29
  30 int zd_geo_init(struct ieee80211_device *ieee, u8 regdomain);
  31
  32 const struct channel_range *zd_channel_range(u8 regdomain);
  33 int zd_regdomain_supports_channel(u8 regdomain, u8 channel);
  34 int zd_regdomain_supported(u8 regdomain);
  35
  36 /* for 2.4 GHz band */
  37 int zd_channel_to_freq(struct iw_freq *freq, u8 channel);
  38 int zd_find_channel(u8 *channel, const struct iw_freq *freq);
  39
  40 #define ZD_PLCP_SERVICE_LENGTH_EXTENSION 0x80
  41
  42 struct ofdm_plcp_header {
  43         u8 prefix[3];
  44         __le16 service;
  45 } __attribute__((packed));
  46
  47 static inline u8 zd_ofdm_plcp_header_rate(
  48         const struct ofdm_plcp_header *header)
  49 {
  50         return header->prefix[0] & 0xf;
  51 }
  52
  53 /* These are referred to as zd_rates */
  54 #define ZD_OFDM_RATE_6M         0xb
  55 #define ZD_OFDM_RATE_9M         0xf
  56 #define ZD_OFDM_RATE_12M        0xa
  57 #define ZD_OFDM_RATE_18M        0xe
  58 #define ZD_OFDM_RATE_24M        0x9
  59 #define ZD_OFDM_RATE_36M        0xd
  60 #define ZD_OFDM_RATE_48M        0x8
  61 #define ZD_OFDM_RATE_54M        0xc
  62
  63 struct cck_plcp_header {
  64         u8 signal;
  65         u8 service;
  66         __le16 length;
  67         __le16 crc16;
  68 } __attribute__((packed));
  69
  70 static inline u8 zd_cck_plcp_header_rate(const struct cck_plcp_header *header)
  71 {
  72         return header->signal;
  73 }
  74
  75 #define ZD_CCK_SIGNAL_1M        0x0a
  76 #define ZD_CCK_SIGNAL_2M        0x14
  77 #define ZD_CCK_SIGNAL_5M5       0x37
  78 #define ZD_CCK_SIGNAL_11M       0x6e
  79
  80 enum ieee80211_std {
  81         IEEE80211B = 0x01,
  82         IEEE80211A = 0x02,
  83         IEEE80211G = 0x04,
  84 };
  85
  86 #endif /* _ZD_IEEE80211_H */