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authorZhu Yi <yi.zhu@intel.com>2006-01-19 16:21:45 +0800
committerJohn W. Linville <linville@tuxdriver.com>2006-01-27 17:08:06 -0500
commitd128f6c176bff9c4929476e13132804321a6d5c5 (patch)
tree6c48f08712a5a81501fea7c317faa9f517d70520 /net/ieee80211
parent24056bec086aaa99923b21c0e1a0e993bb1c7e2a (diff)
[PATCH] ieee80211: add flags for all geo channels
Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/ieee80211')
-rw-r--r--net/ieee80211/ieee80211_geo.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/net/ieee80211/ieee80211_geo.c b/net/ieee80211/ieee80211_geo.c
index 610cc5cbc25..3027153940f 100644
--- a/net/ieee80211/ieee80211_geo.c
+++ b/net/ieee80211/ieee80211_geo.c
@@ -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);