diff options
Diffstat (limited to 'net/ieee80211/ieee80211_geo.c')
| -rw-r--r-- | net/ieee80211/ieee80211_geo.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/net/ieee80211/ieee80211_geo.c b/net/ieee80211/ieee80211_geo.c deleted file mode 100644 index 960ad13f5e9..00000000000 --- a/net/ieee80211/ieee80211_geo.c +++ /dev/null @@ -1,195 +0,0 @@ -/****************************************************************************** - - Copyright(c) 2005 Intel Corporation. All rights reserved. - - This program is free software; you can redistribute it and/or modify it - under the terms of version 2 of the GNU General Public License as - published by the Free Software Foundation. - - 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. - - The full GNU General Public License is included in this distribution in the - file called LICENSE. - - Contact Information: - James P. Ketrenos <ipw2100-admin@linux.intel.com> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -******************************************************************************/ -#include <linux/compiler.h> -#include <linux/errno.h> -#include <linux/if_arp.h> -#include <linux/in6.h> -#include <linux/in.h> -#include <linux/ip.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/proc_fs.h> -#include <linux/skbuff.h> -#include <linux/slab.h> -#include <linux/tcp.h> -#include <linux/types.h> -#include <linux/wireless.h> -#include <linux/etherdevice.h> -#include <asm/uaccess.h> - -#include <net/ieee80211.h> - -int ieee80211_is_valid_channel(struct ieee80211_device *ieee, u8 channel) -{ - int i; - - /* Driver needs to initialize the geography map before using - * these helper functions */ - if (ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0) - return 0; - - if (ieee->freq_band & IEEE80211_24GHZ_BAND) - for (i = 0; i < ieee->geo.bg_channels; i++) - /* NOTE: If G mode is currently supported but - * this is a B only channel, we don't see it - * as valid. */ - if ((ieee->geo.bg[i].channel == channel) && - !(ieee->geo.bg[i].flags & IEEE80211_CH_INVALID) && - (!(ieee->mode & IEEE_G) || - !(ieee->geo.bg[i].flags & IEEE80211_CH_B_ONLY))) - return IEEE80211_24GHZ_BAND; - - if (ieee->freq_band & IEEE80211_52GHZ_BAND) - for (i = 0; i < ieee->geo.a_channels; i++) - if ((ieee->geo.a[i].channel == channel) && - !(ieee->geo.a[i].flags & IEEE80211_CH_INVALID)) - return IEEE80211_52GHZ_BAND; - - return 0; -} - -int ieee80211_channel_to_index(struct ieee80211_device *ieee, u8 channel) -{ - int i; - - /* Driver needs to initialize the geography map before using - * these helper functions */ - if (ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0) - return -1; - - if (ieee->freq_band & IEEE80211_24GHZ_BAND) - for (i = 0; i < ieee->geo.bg_channels; i++) - if (ieee->geo.bg[i].channel == channel) - return i; - - if (ieee->freq_band & IEEE80211_52GHZ_BAND) - for (i = 0; i < ieee->geo.a_channels; i++) - if (ieee->geo.a[i].channel == channel) - return i; - - return -1; -} - -u32 ieee80211_channel_to_freq(struct ieee80211_device * ieee, u8 channel) -{ - const struct ieee80211_channel * ch; - - /* Driver needs to initialize the geography map before using - * these helper functions */ - if (ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0) - return 0; - - ch = ieee80211_get_channel(ieee, channel); - if (!ch->channel) - return 0; - return ch->freq; -} - -u8 ieee80211_freq_to_channel(struct ieee80211_device * ieee, u32 freq) -{ - int i; - - /* Driver needs to initialize the geography map before using - * these helper functions */ - if (ieee->geo.bg_channels == 0 && ieee->geo.a_channels == 0) - return 0; - - freq /= 100000; - - if (ieee->freq_band & IEEE80211_24GHZ_BAND) - for (i = 0; i < ieee->geo.bg_channels; i++) - if (ieee->geo.bg[i].freq == freq) - return ieee->geo.bg[i].channel; - - if (ieee->freq_band & IEEE80211_52GHZ_BAND) - for (i = 0; i < ieee->geo.a_channels; i++) - if (ieee->geo.a[i].freq == freq) - return ieee->geo.a[i].channel; - - return 0; -} - -int ieee80211_set_geo(struct ieee80211_device *ieee, - const struct ieee80211_geo *geo) -{ - memcpy(ieee->geo.name, geo->name, 3); - ieee->geo.name[3] = '\0'; - ieee->geo.bg_channels = geo->bg_channels; - ieee->geo.a_channels = geo->a_channels; - memcpy(ieee->geo.bg, geo->bg, geo->bg_channels * - sizeof(struct ieee80211_channel)); - memcpy(ieee->geo.a, geo->a, ieee->geo.a_channels * - sizeof(struct ieee80211_channel)); - return 0; -} - -const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device *ieee) -{ - return &ieee->geo; -} - -u8 ieee80211_get_channel_flags(struct ieee80211_device * ieee, u8 channel) -{ - int index = ieee80211_channel_to_index(ieee, channel); - - if (index == -1) - return IEEE80211_CH_INVALID; - - if (channel <= IEEE80211_24GHZ_CHANNELS) - return ieee->geo.bg[index].flags; - - return ieee->geo.a[index].flags; -} - -static const struct ieee80211_channel bad_channel = { - .channel = 0, - .flags = IEEE80211_CH_INVALID, - .max_power = 0, -}; - -const struct ieee80211_channel *ieee80211_get_channel(struct ieee80211_device - *ieee, u8 channel) -{ - int index = ieee80211_channel_to_index(ieee, channel); - - if (index == -1) - return &bad_channel; - - if (channel <= IEEE80211_24GHZ_CHANNELS) - return &ieee->geo.bg[index]; - - return &ieee->geo.a[index]; -} - -EXPORT_SYMBOL(ieee80211_get_channel); -EXPORT_SYMBOL(ieee80211_get_channel_flags); -EXPORT_SYMBOL(ieee80211_is_valid_channel); -EXPORT_SYMBOL(ieee80211_freq_to_channel); -EXPORT_SYMBOL(ieee80211_channel_to_freq); -EXPORT_SYMBOL(ieee80211_channel_to_index); -EXPORT_SYMBOL(ieee80211_set_geo); -EXPORT_SYMBOL(ieee80211_get_geo); |