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/* ZD1211 USB-WLAN driver for Linux
*
* Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
* Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _ZD_IEEE80211_H
#define _ZD_IEEE80211_H
#include <net/mac80211.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,
};
void zd_geo_init(struct ieee80211_hw *hw, u8 regdomain);
#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
#endif /* _ZD_IEEE80211_H */
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