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For AR9380 NICs - the non-enterprise versions don't support RTS protection

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of small (< 256 byte) aggregate frames.

This needs to be done or 11n aggregation TX just simply doesn't work
on these NICs.

Whilst here, extend some debug printing; I was using this whilst
debugging the TX power setup in the TX descriptor(s) on the AR9380.
This commit is contained in:
Adrian Chadd 2012-11-03 22:13:42 +00:00
parent 5540369b93
commit 64dbfc6d92
1 changed files with 10 additions and 2 deletions
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12
sys/dev/ath/if_ath_tx_ht.c
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@ -349,6 +349,14 @@ ath_compute_num_delims(struct ath_softc *sc, struct ath_buf *first_bf,
*/
ndelim += ATH_AGGR_ENCRYPTDELIM;
/*
* For AR9380, there's a minimum number of delimeters
* required when doing RTS.
*/
if (sc->sc_use_ent && (sc->sc_ent_cfg & AH_ENT_RTSCTS_DELIM_WAR)
&& ndelim < AH_FIRST_DESC_NDELIMS)
ndelim = AH_FIRST_DESC_NDELIMS;
DPRINTF(sc, ATH_DEBUG_SW_TX_AGGR,
"%s: pktlen=%d, ndelim=%d, mpdudensity=%d\n",
__func__, pktlen, ndelim, mpdudensity);
@ -542,12 +550,13 @@ ath_rateseries_print(struct ath_softc *sc, HAL_11N_RATE_SERIES *series)
int i;
for (i = 0; i < ATH_RC_NUM; i++) {
device_printf(sc->sc_dev ,"series %d: rate %x; tries %d; "
"pktDuration %d; chSel %d; rateFlags %x\n",
"pktDuration %d; chSel %d; txpowcap %d, rateFlags %x\n",
i,
series[i].Rate,
series[i].Tries,
series[i].PktDuration,
series[i].ChSel,
series[i].tx_power_cap,
series[i].RateFlags);
}
}
@ -577,7 +586,6 @@ ath_buf_set_rate(struct ath_softc *sc, struct ieee80211_node *ni,
ath_rateseries_setup(sc, ni, bf, series);
#if 0
printf("pktlen: %d; flags 0x%x\n", pktlen, flags);
ath_rateseries_print(sc, series);
#endif