97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
#ifndef _ZD_IEEE80211_H
|
|
#define _ZD_IEEE80211_H
|
|
|
|
#include <net/ieee80211.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;
|
|
}
|
|
|
|
/* The following defines give the encoding of the 4-bit rate field in the
|
|
* OFDM (802.11a/802.11g) PLCP header. Notify that these values are used to
|
|
* define the zd-rate values for OFDM.
|
|
*
|
|
* See the struct zd_ctrlset definition in zd_mac.h.
|
|
*/
|
|
#define ZD_OFDM_PLCP_RATE_6M 0xb
|
|
#define ZD_OFDM_PLCP_RATE_9M 0xf
|
|
#define ZD_OFDM_PLCP_RATE_12M 0xa
|
|
#define ZD_OFDM_PLCP_RATE_18M 0xe
|
|
#define ZD_OFDM_PLCP_RATE_24M 0x9
|
|
#define ZD_OFDM_PLCP_RATE_36M 0xd
|
|
#define ZD_OFDM_PLCP_RATE_48M 0x8
|
|
#define ZD_OFDM_PLCP_RATE_54M 0xc
|
|
|
|
struct cck_plcp_header {
|
|
u8 signal;
|
|
u8 service;
|
|
__le16 length;
|
|
__le16 crc16;
|
|
} __attribute__((packed));
|
|
|
|
static inline u8 zd_cck_plcp_header_signal(const struct cck_plcp_header *header)
|
|
{
|
|
return header->signal;
|
|
}
|
|
|
|
/* These defines give the encodings of the signal field in the 802.11b PLCP
|
|
* header. The signal field gives the bit rate of the following packet. Even
|
|
* if technically wrong we use CCK here also for the 1 MBit/s and 2 MBit/s
|
|
* rate to stay consistent with Zydas and our use of the term.
|
|
*
|
|
* Notify that these values are *not* used in the zd-rates.
|
|
*/
|
|
#define ZD_CCK_PLCP_SIGNAL_1M 0x0a
|
|
#define ZD_CCK_PLCP_SIGNAL_2M 0x14
|
|
#define ZD_CCK_PLCP_SIGNAL_5M5 0x37
|
|
#define ZD_CCK_PLCP_SIGNAL_11M 0x6e
|
|
|
|
enum ieee80211_std {
|
|
IEEE80211B = 0x01,
|
|
IEEE80211A = 0x02,
|
|
IEEE80211G = 0x04,
|
|
};
|
|
|
|
#endif /* _ZD_IEEE80211_H */
|