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From: Adrian Chadd <adrian@FreeBSD.org>
Date: Thu, 4 Jun 2015 05:37:07 +0000 (UTC)
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Subject: svn commit: r283979 - head/sys/dev/iwn
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Author: adrian
Date: Thu Jun  4 05:37:07 2015
New Revision: 283979
URL: https://svnweb.freebsd.org/changeset/base/283979

Log:
  Disable bgscan for now - it interferes with 11n activity and general
  stability.
  
  I'll re-enable it once the scan overhaul is done - the NIC itself
  can do bgscan, but not how we're doing it.
  
  MFC after:	2 weeks
  Sponsored by:	Norse Corp, Inc.

Modified:
  head/sys/dev/iwn/if_iwn.c

Modified: head/sys/dev/iwn/if_iwn.c
==============================================================================
--- head/sys/dev/iwn/if_iwn.c	Thu Jun  4 04:54:54 2015	(r283978)
+++ head/sys/dev/iwn/if_iwn.c	Thu Jun  4 05:37:07 2015	(r283979)
@@ -565,7 +565,9 @@ iwn_attach(device_t dev)
 	ic->ic_caps =
 		  IEEE80211_C_STA		/* station mode supported */
 		| IEEE80211_C_MONITOR		/* monitor mode supported */
+#if 0
 		| IEEE80211_C_BGSCAN		/* background scanning */
+#endif
 		| IEEE80211_C_TXPMGT		/* tx power management */
 		| IEEE80211_C_SHSLOT		/* short slot time supported */
 		| IEEE80211_C_WPA