Author: adrian
Date: Thu Feb 17 17:31:36 2011
New Revision: 218778
URL: http://svn.freebsd.org/changeset/base/218778

Log:
  Disable short-GI in 20mhz mode - the hardware doesn't support this.

Modified:
  head/sys/dev/ath/if_ath.c

Modified: head/sys/dev/ath/if_ath.c
==============================================================================
--- head/sys/dev/ath/if_ath.c   Thu Feb 17 17:03:56 2011        (r218777)
+++ head/sys/dev/ath/if_ath.c   Thu Feb 17 17:31:36 2011        (r218778)
@@ -635,7 +635,10 @@ ath_attach(u_int16_t devid, struct ath_s
                            | IEEE80211_HTC_AMPDU               /* A-MPDU tx/rx 
*/
                            | IEEE80211_HTC_AMSDU               /* A-MSDU tx/rx 
*/
                            | IEEE80211_HTCAP_MAXAMSDU_3839     /* max A-MSDU 
length */
+               /* At the present time, the hardware doesn't support short-GI 
in 20mhz mode */
+#if 0
                            | IEEE80211_HTCAP_SHORTGI20         /* short GI in 
20MHz */
+#endif
                            | IEEE80211_HTCAP_SMPS_OFF;         /* SM power 
save off */
                        ;
 
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