96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/* ZD1211 USB-WLAN driver for Linux
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*
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* Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
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* Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _ZD_IEEE80211_H
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#define _ZD_IEEE80211_H
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#include <net/mac80211.h>
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/* Additional definitions from the standards.
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*/
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#define ZD_REGDOMAIN_FCC 0x10
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#define ZD_REGDOMAIN_IC 0x20
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#define ZD_REGDOMAIN_ETSI 0x30
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#define ZD_REGDOMAIN_SPAIN 0x31
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#define ZD_REGDOMAIN_FRANCE 0x32
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#define ZD_REGDOMAIN_JAPAN_ADD 0x40
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#define ZD_REGDOMAIN_JAPAN 0x41
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enum {
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MIN_CHANNEL24 = 1,
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MAX_CHANNEL24 = 14,
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};
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void zd_geo_init(struct ieee80211_hw *hw, u8 regdomain);
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#define ZD_PLCP_SERVICE_LENGTH_EXTENSION 0x80
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struct ofdm_plcp_header {
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u8 prefix[3];
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__le16 service;
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} __attribute__((packed));
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static inline u8 zd_ofdm_plcp_header_rate(const struct ofdm_plcp_header *header)
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{
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return header->prefix[0] & 0xf;
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}
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/* The following defines give the encoding of the 4-bit rate field in the
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* OFDM (802.11a/802.11g) PLCP header. Notify that these values are used to
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* define the zd-rate values for OFDM.
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*
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* See the struct zd_ctrlset definition in zd_mac.h.
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*/
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#define ZD_OFDM_PLCP_RATE_6M 0xb
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#define ZD_OFDM_PLCP_RATE_9M 0xf
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#define ZD_OFDM_PLCP_RATE_12M 0xa
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#define ZD_OFDM_PLCP_RATE_18M 0xe
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#define ZD_OFDM_PLCP_RATE_24M 0x9
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#define ZD_OFDM_PLCP_RATE_36M 0xd
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#define ZD_OFDM_PLCP_RATE_48M 0x8
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#define ZD_OFDM_PLCP_RATE_54M 0xc
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struct cck_plcp_header {
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u8 signal;
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u8 service;
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__le16 length;
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__le16 crc16;
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} __attribute__((packed));
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static inline u8 zd_cck_plcp_header_signal(const struct cck_plcp_header *header)
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{
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return header->signal;
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}
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/* These defines give the encodings of the signal field in the 802.11b PLCP
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* header. The signal field gives the bit rate of the following packet. Even
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* if technically wrong we use CCK here also for the 1 MBit/s and 2 MBit/s
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* rate to stay consistent with Zydas and our use of the term.
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*
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* Notify that these values are *not* used in the zd-rates.
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*/
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#define ZD_CCK_PLCP_SIGNAL_1M 0x0a
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#define ZD_CCK_PLCP_SIGNAL_2M 0x14
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#define ZD_CCK_PLCP_SIGNAL_5M5 0x37
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#define ZD_CCK_PLCP_SIGNAL_11M 0x6e
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#endif /* _ZD_IEEE80211_H */
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