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authorLuis R. Rodriguez <lrodriguez@atheros.com>2009-04-02 14:08:09 -0400
committerJohn W. Linville <linville@tuxdriver.com>2009-04-22 16:54:40 -0400
commit6bad8766620a3c8b64afa981502fdb543e3cfd6c (patch)
tree7524ea7826a443d920062e48fe081e82b6fd7385 /net/wireless/reg.c
parent5dab3b8a68cc97a7e6b9f79f5de05803c8e55a3c (diff)
downloadblackbird-op-linux-6bad8766620a3c8b64afa981502fdb543e3cfd6c.tar.gz
blackbird-op-linux-6bad8766620a3c8b64afa981502fdb543e3cfd6c.zip
cfg80211: send regulatory beacon hint events to userspace
This informs userspace when a change has occured on a world roaming wiphy's channel which has lifted some restrictions due to a regulatory beacon hint. Because this is now sent to userspace through the regulatory multicast group we remove the debug prints we used to use as they are no longer necessary. Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/reg.c')
-rw-r--r--net/wireless/reg.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4af4304cec3e..574e217bcc86 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1049,18 +1049,10 @@ static void handle_reg_beacon(struct wiphy *wiphy,
unsigned int chan_idx,
struct reg_beacon *reg_beacon)
{
-#ifdef CONFIG_CFG80211_REG_DEBUG
-#define REG_DEBUG_BEACON_FLAG(desc) \
- printk(KERN_DEBUG "cfg80211: Enabling " desc " on " \
- "frequency: %d MHz (Ch %d) on %s\n", \
- reg_beacon->chan.center_freq, \
- ieee80211_frequency_to_channel(reg_beacon->chan.center_freq), \
- wiphy_name(wiphy));
-#else
-#define REG_DEBUG_BEACON_FLAG(desc) do {} while (0)
-#endif
struct ieee80211_supported_band *sband;
struct ieee80211_channel *chan;
+ bool channel_changed = false;
+ struct ieee80211_channel chan_before;
assert_cfg80211_lock();
@@ -1070,20 +1062,28 @@ static void handle_reg_beacon(struct wiphy *wiphy,
if (likely(chan->center_freq != reg_beacon->chan.center_freq))
return;
+ if (chan->beacon_found)
+ return;
+
+ chan->beacon_found = true;
+
+ chan_before.center_freq = chan->center_freq;
+ chan_before.flags = chan->flags;
+
if ((chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) &&
!(chan->orig_flags & IEEE80211_CHAN_PASSIVE_SCAN)) {
chan->flags &= ~IEEE80211_CHAN_PASSIVE_SCAN;
- REG_DEBUG_BEACON_FLAG("active scanning");
+ channel_changed = true;
}
if ((chan->flags & IEEE80211_CHAN_NO_IBSS) &&
!(chan->orig_flags & IEEE80211_CHAN_NO_IBSS)) {
chan->flags &= ~IEEE80211_CHAN_NO_IBSS;
- REG_DEBUG_BEACON_FLAG("beaconing");
+ channel_changed = true;
}
- chan->beacon_found = true;
-#undef REG_DEBUG_BEACON_FLAG
+ if (channel_changed)
+ nl80211_send_beacon_hint_event(wiphy, &chan_before, chan);
}
/*
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