drivers/net/wireless/zd1211rw/zd_ieee80211.h

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