18 lines
		
	
	
		
			640 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			640 B
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/net80211/ieee80211_beacon.c
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+++ b/net80211/ieee80211_beacon.c
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@@ -476,6 +476,14 @@ ieee80211_beacon_update(struct ieee80211
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 			tie->tim_bitctl |= BITCTL_BUFD_MCAST;
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 		else
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 			tie->tim_bitctl &= ~BITCTL_BUFD_MCAST;
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+
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+		/* WAR: on some platforms, a race condition between beacon
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+		 * contents update and beacon transmission leads to beacon
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+		 * data not being updated in time. For most fields this is
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+		 * not critical, but for powersave it is. Work around this
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+		 * by always remapping the beacon when the TIM IE changes.
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+		 */
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+		len_changed = 1;
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 	}
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 	/* Whenever we want to switch to a new channel, we need to follow the
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