Date: Thu, 17 Feb 2011 17:35:09 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r218779 - head/sys/dev/ath Message-ID: <201102171735.p1HHZ9kp020413@svn.freebsd.org>
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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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