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[ath] reset hardware if this particular mac bug is seen.

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I have to dig into why I'm seeing it on chips as late as the AR9380 era
stuff (as it's marked as an AR5416 bug, but who knows!) but i'm seeing
aggregate TX frames complete with no blockack bit set.  So, everything
should be treated as a failure and do a hardware reset for good measure.

Tested:

* AR9380, STA mode
* AR9580 (5GHz), AP mode
This commit is contained in:
Adrian Chadd 2020-05-21 04:26:20 +00:00
parent 8af1445957
commit 9a2de0c3d6
1 changed files with 5 additions and 1 deletions
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6
sys/dev/ath/if_ath_tx.c
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@ -5011,7 +5011,11 @@ ath_tx_aggr_comp_aggr(struct ath_softc *sc, struct ath_buf *bf_first,
"%s: AR5416 bug: hasba=%d; txok=%d, isaggr=%d, "
"seq_st=%d\n",
__func__, hasba, tx_ok, isaggr, seq_st);
/* XXX TODO: schedule an interface reset */
taskqueue_enqueue(sc->sc_tq, &sc->sc_fataltask);
/* And as we can't really trust the BA here .. */
ba[0] = 0;
ba[1] = 0;
seq_st = 0;
#ifdef ATH_DEBUG
ath_printtxbuf(sc, bf_first,
sc->sc_ac2q[atid->ac]->axq_qnum, 0, 0);