Author: adrian
Date: Thu Feb 17 17:35:09 2011
New Revision: 218779
URL: http://svn.freebsd.org/changeset/base/218779
Log:
Just be double-sure short-gi isn't being enabled in 20mhz mode.
Modified:
head/sys/dev/ath/if_ath_tx_ht.c
Modified: head/sys/dev/ath/if_ath_tx_ht.c
==============================================================================
--- head/sys/dev/ath/if_ath_tx_ht.c Thu Feb 17 17:31:36 2011
(r218778)
+++ head/sys/dev/ath/if_ath_tx_ht.c Thu Feb 17 17:35:09 2011
(r218779)
@@ -119,8 +119,13 @@ ath_rateseries_setup(struct ath_softc *s
series[i].RateFlags |= HAL_RATESERIES_RTS_CTS;
if (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40)
series[i].RateFlags |= HAL_RATESERIES_2040;
- if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20 ||
- ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40)
+
+ /*
+ * The hardware only supports short-gi in 40mhz mode -
+ * if later hardware supports it in 20mhz mode, be sure
+ * to add the relevant check here.
+ */
+ if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40)
series[i].RateFlags |= HAL_RATESERIES_HALFGI;
/* XXX should this check the short preamble value should be set
for legacy rates? -adrian */
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