AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[PATCH] ieee80211: add flags for all geo channels

Browse Source 
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Zhu Yi 2006-01-19 16:21:45 +08:00 committed by John W. Linville
parent 24056bec08
commit d128f6c176
1 changed files with 38 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
net/ieee80211/ieee80211_geo.c
View File

@ -58,13 +58,15 @@ int ieee80211_is_valid_channel(struct ieee80211_device *ieee, u8 channel)
* 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)
if ((ieee->geo.a[i].channel == channel) &&
!(ieee->geo.a[i].flags & IEEE80211_CH_INVALID))
return IEEE80211_52GHZ_BAND;
return 0;
@ -133,6 +135,41 @@ 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_index);