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If we're doing a kickpcu, make sure we flush the whole RX list rather than

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stopping after 128 frames.

Whilst here, add in some code that lets me optionally flip back to the
original behaviour of calling ath_startrecv().
This commit is contained in:
Adrian Chadd 2013-01-13 22:41:58 +00:00
parent e1e1f0e44f
commit 233af52df2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=245396
1 changed files with 7 additions and 1 deletions
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8
sys/dev/ath/if_ath_rx.c
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@ -845,6 +845,7 @@ ath_rx_proc(struct ath_softc *sc, int resched)
int16_t nf;
u_int64_t tsf;
int npkts = 0;
int kickpcu = 0;
/* XXX we must not hold the ATH_LOCK here */
ATH_UNLOCK_ASSERT(sc);
@ -852,6 +853,7 @@ ath_rx_proc(struct ath_softc *sc, int resched)
ATH_PCU_LOCK(sc);
sc->sc_rxproc_cnt++;
kickpcu = sc->sc_kickpcu;
ATH_PCU_UNLOCK(sc);
DPRINTF(sc, ATH_DEBUG_RX_PROC, "%s: called\n", __func__);
@ -866,7 +868,7 @@ ath_rx_proc(struct ath_softc *sc, int resched)
* latency can jump by quite a bit, causing throughput
* degredation.
*/
if (npkts >= ATH_RX_MAX)
if (!kickpcu && npkts >= ATH_RX_MAX)
break;
bf = TAILQ_FIRST(&sc->sc_rxbuf);
@ -961,6 +963,9 @@ ath_rx_proc(struct ath_softc *sc, int resched)
__func__, npkts);
/* XXX rxslink? */
#if 0
ath_startrecv(sc);
#else
/*
* XXX can we hold the PCU lock here?
* Are there any net80211 buffer calls involved?
@ -970,6 +975,7 @@ ath_rx_proc(struct ath_softc *sc, int resched)
ath_hal_rxena(ah); /* enable recv descriptors */
ath_mode_init(sc); /* set filters, etc. */
ath_hal_startpcurecv(ah); /* re-enable PCU/DMA engine */
#endif
ath_hal_intrset(ah, sc->sc_imask);
sc->sc_kickpcu = 0;