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authorDavid S. Miller <davem@davemloft.net>2009-04-25 16:36:46 -0700
committerDavid S. Miller <davem@davemloft.net>2009-04-25 16:36:46 -0700
commit495a1b4eff1a216a3ea171ac137f1807e6555f52 (patch)
tree72d059d6d66fac6a74df33bac2eb40dcd0ea0732 /net/wireless/reg.c
parentad8affd972a705a38e769859c50ee8e749b631da (diff)
parentd3feaf5ad12259927039a675cfb25dc342b403ab (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts: net/mac80211/pm.c
Diffstat (limited to 'net/wireless/reg.c')
-rw-r--r--net/wireless/reg.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 6c1993d9990..f38cc39fa79 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -37,7 +37,6 @@
#include <linux/random.h>
#include <linux/nl80211.h>
#include <linux/platform_device.h>
-#include <net/wireless.h>
#include <net/cfg80211.h>
#include "core.h"
#include "reg.h"
@@ -1049,18 +1048,10 @@ 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();
@@ -1070,18 +1061,28 @@ static void handle_reg_beacon(struct wiphy *wiphy,
if (likely(chan->center_freq != reg_beacon->chan.center_freq))
return;
- if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN) {
+ 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) {
+ 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);
}
/*