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The number of streams is not based on the interface stream count, but the

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number of streams needed for that MCS rate.
This commit is contained in:
adrian 2011-03-13 08:23:59 +00:00
parent 3265382de0
commit 5e36ae5370
1 changed files with 4 additions and 2 deletions
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6
sys/dev/ath/if_ath_tx_ht.c
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@ -98,6 +98,7 @@ ath_rateseries_setup(struct ath_softc *sc, struct ieee80211_node *ni,
HAL_11N_RATE_SERIES *series, unsigned int pktlen, uint8_t *rix,
uint8_t *try, int flags)
{
#define HT_RC_2_STREAMS(_rc) ((((_rc) & 0x78) >> 3) + 1)
struct ieee80211com *ic = ni->ni_ic;
struct ath_hal *ah = sc->sc_ah;
HAL_BOOL shortPreamble = AH_FALSE;
@ -151,14 +152,15 @@ ath_rateseries_setup(struct ath_softc *sc, struct ieee80211_node *ni,
series[i].PktDuration =
ath_computedur_ht(pktlen
, series[i].Rate
, ic->ic_txstream
, 0 /* disable 20/40 for now */
, HT_RC_2_STREAMS(series[i].Rate)
, series[i].RateFlags & HAL_RATESERIES_2040
, series[i].RateFlags & HAL_RATESERIES_HALFGI);
} else {
series[i].PktDuration = ath_hal_computetxtime(ah,
rt, pktlen, rix[i], shortPreamble);
}
}
#undef HT_RC_2_STREAMS
}
#if 0