diff options
Diffstat (limited to 'drivers/net/wireless/ipw2x00/libipw_geo.c')
| -rw-r--r-- | drivers/net/wireless/ipw2x00/libipw_geo.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/drivers/net/wireless/ipw2x00/libipw_geo.c b/drivers/net/wireless/ipw2x00/libipw_geo.c deleted file mode 100644 index 218f2a32d..000000000 --- a/drivers/net/wireless/ipw2x00/libipw_geo.c +++ /dev/null @@ -1,193 +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: - Intel Linux Wireless <ilw@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/tcp.h> -#include <linux/types.h> -#include <linux/wireless.h> -#include <linux/etherdevice.h> -#include <asm/uaccess.h> - -#include "libipw.h" - -int libipw_is_valid_channel(struct libipw_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 & LIBIPW_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 & LIBIPW_CH_INVALID) && - (!(ieee->mode & IEEE_G) || - !(ieee->geo.bg[i].flags & LIBIPW_CH_B_ONLY))) - return LIBIPW_24GHZ_BAND; - - if (ieee->freq_band & LIBIPW_52GHZ_BAND) - for (i = 0; i < ieee->geo.a_channels; i++) - if ((ieee->geo.a[i].channel == channel) && - !(ieee->geo.a[i].flags & LIBIPW_CH_INVALID)) - return LIBIPW_52GHZ_BAND; - - return 0; -} - -int libipw_channel_to_index(struct libipw_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 & LIBIPW_24GHZ_BAND) - for (i = 0; i < ieee->geo.bg_channels; i++) - if (ieee->geo.bg[i].channel == channel) - return i; - - if (ieee->freq_band & LIBIPW_52GHZ_BAND) - for (i = 0; i < ieee->geo.a_channels; i++) - if (ieee->geo.a[i].channel == channel) - return i; - - return -1; -} - -u32 libipw_channel_to_freq(struct libipw_device * ieee, u8 channel) -{ - const struct libipw_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 = libipw_get_channel(ieee, channel); - if (!ch->channel) - return 0; - return ch->freq; -} - -u8 libipw_freq_to_channel(struct libipw_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 & LIBIPW_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 & LIBIPW_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; -} - -void libipw_set_geo(struct libipw_device *ieee, - const struct libipw_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 libipw_channel)); - memcpy(ieee->geo.a, geo->a, ieee->geo.a_channels * - sizeof(struct libipw_channel)); -} - -const struct libipw_geo *libipw_get_geo(struct libipw_device *ieee) -{ - return &ieee->geo; -} - -u8 libipw_get_channel_flags(struct libipw_device * ieee, u8 channel) -{ - int index = libipw_channel_to_index(ieee, channel); - - if (index == -1) - return LIBIPW_CH_INVALID; - - if (channel <= LIBIPW_24GHZ_CHANNELS) - return ieee->geo.bg[index].flags; - - return ieee->geo.a[index].flags; -} - -static const struct libipw_channel bad_channel = { - .channel = 0, - .flags = LIBIPW_CH_INVALID, - .max_power = 0, -}; - -const struct libipw_channel *libipw_get_channel(struct libipw_device - *ieee, u8 channel) -{ - int index = libipw_channel_to_index(ieee, channel); - - if (index == -1) - return &bad_channel; - - if (channel <= LIBIPW_24GHZ_CHANNELS) - return &ieee->geo.bg[index]; - - return &ieee->geo.a[index]; -} - -EXPORT_SYMBOL(libipw_get_channel); -EXPORT_SYMBOL(libipw_get_channel_flags); -EXPORT_SYMBOL(libipw_is_valid_channel); -EXPORT_SYMBOL(libipw_freq_to_channel); -EXPORT_SYMBOL(libipw_channel_to_freq); -EXPORT_SYMBOL(libipw_channel_to_index); -EXPORT_SYMBOL(libipw_set_geo); -EXPORT_SYMBOL(libipw_get_geo); |