diff options
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_ieee80211.c')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_ieee80211.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_ieee80211.c b/drivers/net/wireless/zd1211rw/zd_ieee80211.c deleted file mode 100644 index d8dc41ec0e5d..000000000000 --- a/drivers/net/wireless/zd1211rw/zd_ieee80211.c +++ /dev/null @@ -1,100 +0,0 @@ -/* 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 - */ - -/* - * In the long term, we'll probably find a better way of handling regulatory - * requirements outside of the driver. - */ - -#include <linux/kernel.h> -#include <net/mac80211.h> - -#include "zd_ieee80211.h" -#include "zd_mac.h" - -struct channel_range { - u8 regdomain; - u8 start; - u8 end; /* exclusive (channel must be less than end) */ -}; - -static const struct channel_range channel_ranges[] = { - { ZD_REGDOMAIN_FCC, 1, 12 }, - { ZD_REGDOMAIN_IC, 1, 12 }, - { ZD_REGDOMAIN_ETSI, 1, 14 }, - { ZD_REGDOMAIN_JAPAN, 1, 14 }, - { ZD_REGDOMAIN_SPAIN, 1, 14 }, - { ZD_REGDOMAIN_FRANCE, 1, 14 }, - - /* Japan originally only had channel 14 available (see CHNL_ID 0x40 in - * 802.11). However, in 2001 the range was extended to include channels - * 1-13. The ZyDAS devices still use the old region code but are - * designed to allow the extra channel access in Japan. */ - { ZD_REGDOMAIN_JAPAN_ADD, 1, 15 }, -}; - -static const struct channel_range *zd_channel_range(u8 regdomain) -{ - int i; - for (i = 0; i < ARRAY_SIZE(channel_ranges); i++) { - const struct channel_range *range = &channel_ranges[i]; - if (range->regdomain == regdomain) - return range; - } - return NULL; -} - -#define CHAN_TO_IDX(chan) ((chan) - 1) - -static void unmask_bg_channels(struct ieee80211_hw *hw, - const struct channel_range *range, - struct ieee80211_supported_band *sband) -{ - u8 channel; - - for (channel = range->start; channel < range->end; channel++) { - struct ieee80211_channel *chan = - &sband->channels[CHAN_TO_IDX(channel)]; - chan->flags = 0; - } -} - -void zd_geo_init(struct ieee80211_hw *hw, u8 regdomain) -{ - struct zd_mac *mac = zd_hw_mac(hw); - const struct channel_range *range; - - dev_dbg(zd_mac_dev(mac), "regdomain %#02x\n", regdomain); - - range = zd_channel_range(regdomain); - if (!range) { - /* The vendor driver overrides the regulatory domain and - * allowed channel registers and unconditionally restricts - * available channels to 1-11 everywhere. Match their - * questionable behaviour only for regdomains which we don't - * recognise. */ - dev_warn(zd_mac_dev(mac), "Unrecognised regulatory domain: " - "%#02x. Defaulting to FCC.\n", regdomain); - range = zd_channel_range(ZD_REGDOMAIN_FCC); - } - - unmask_bg_channels(hw, range, &mac->band); -} - |