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| author | grehan <grehan@FreeBSD.org> | 2011-06-28 06:26:03 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2011-06-28 06:26:03 +0000 |
| commit | 2c6741be0f59191f2283eb268e4f7690399d578a (patch) | |
| tree | b139c8c6dcca4fa284815daade405b75886ee360 /sys/dev/ath/if_ath_tx_ht.c | |
| parent | 3c35264f695e0a1f8a04dbcca1c93bb5159b2274 (diff) | |
| parent | 19ae02bba572390c7299166228d31e54003e094a (diff) | |
| download | FreeBSD-src-2c6741be0f59191f2283eb268e4f7690399d578a.zip FreeBSD-src-2c6741be0f59191f2283eb268e4f7690399d578a.tar.gz | |
IFC @ r222830
Diffstat (limited to 'sys/dev/ath/if_ath_tx_ht.c')
| -rw-r--r-- | sys/dev/ath/if_ath_tx_ht.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/sys/dev/ath/if_ath_tx_ht.c b/sys/dev/ath/if_ath_tx_ht.c index f4ade31..348a1499 100644 --- a/sys/dev/ath/if_ath_tx_ht.c +++ b/sys/dev/ath/if_ath_tx_ht.c @@ -136,15 +136,23 @@ ath_rateseries_setup(struct ath_softc *sc, struct ieee80211_node *ni, */ if (ni->ni_chw == 40) series[i].RateFlags |= HAL_RATESERIES_2040; -#if 0 + /* - * 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. + * Set short-GI only if the node has advertised it + * the channel width is suitable, and we support it. + * We don't currently have a "negotiated" set of bits - + * ni_htcap is what the remote end sends, not what this + * node is capable of. */ - if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40) + if (ni->ni_chw == 40 && + ic->ic_htcaps & IEEE80211_HTCAP_SHORTGI40 && + ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40) + series[i].RateFlags |= HAL_RATESERIES_HALFGI; + + if (ni->ni_chw == 20 && + ic->ic_htcaps & IEEE80211_HTCAP_SHORTGI20 && + ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20) series[i].RateFlags |= HAL_RATESERIES_HALFGI; -#endif series[i].Rate = rt->info[rix[i]].rateCode; |
