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#ifndef _ZD_IEEE80211_H
#define _ZD_IEEE80211_H
#include <net/ieee80211.h>
#include "zd_types.h"
/* Additional definitions from the standards.
*/
#define ZD_REGDOMAIN_FCC 0x10
#define ZD_REGDOMAIN_IC 0x20
#define ZD_REGDOMAIN_ETSI 0x30
#define ZD_REGDOMAIN_SPAIN 0x31
#define ZD_REGDOMAIN_FRANCE 0x32
#define ZD_REGDOMAIN_JAPAN_ADD 0x40
#define ZD_REGDOMAIN_JAPAN 0x41
enum {
MIN_CHANNEL24 = 1,
MAX_CHANNEL24 = 14,
};
struct channel_range {
u8 start;
u8 end; /* exclusive (channel must be less than end) */
};
struct iw_freq;
int zd_geo_init(struct ieee80211_device *ieee, u8 regdomain);
const struct channel_range *zd_channel_range(u8 regdomain);
int zd_regdomain_supports_channel(u8 regdomain, u8 channel);
int zd_regdomain_supported(u8 regdomain);
/* for 2.4 GHz band */
int zd_channel_to_freq(struct iw_freq *freq, u8 channel);
int zd_find_channel(u8 *channel, const struct iw_freq *freq);
#define ZD_PLCP_SERVICE_LENGTH_EXTENSION 0x80
struct ofdm_plcp_header {
u8 prefix[3];
__le16 service;
} __attribute__((packed));
static inline u8 zd_ofdm_plcp_header_rate(
const struct ofdm_plcp_header *header)
{
return header->prefix[0] & 0xf;
}
#define ZD_OFDM_RATE_6M 0xb
#define ZD_OFDM_RATE_9M 0xf
#define ZD_OFDM_RATE_12M 0xa
#define ZD_OFDM_RATE_18M 0xe
#define ZD_OFDM_RATE_24M 0x9
#define ZD_OFDM_RATE_36M 0xd
#define ZD_OFDM_RATE_48M 0x8
#define ZD_OFDM_RATE_54M 0xc
struct cck_plcp_header {
u8 signal;
u8 service;
__le16 length;
__le16 crc16;
};
static inline u8 zd_cck_plcp_header_rate(const struct cck_plcp_header *header)
{
return header->signal;
}
#define ZD_CCK_SIGNAL_1M 0x0a
#define ZD_CCK_SIGNAL_2M 0x14
#define ZD_CCK_SIGNAL_5M5 0x37
#define ZD_CCK_SIGNAL_11M 0x6e
enum ieee80211_std {
IEEE80211B = 0x01,
IEEE80211A = 0x02,
IEEE80211G = 0x04,
};
#endif /* _ZD_IEEE80211_H */
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