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Tweak the interrupt handler so that we call the txeof handler more often,

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to hopefully prevent the TX DMA queue from filling up and never getting
flushed.
This commit is contained in:
Bill Paul 2001-08-15 17:46:57 +00:00
parent 0219a42155
commit 0a4b345e9f
2 changed files with 10 additions and 4 deletions
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7
sys/dev/sf/if_sf.c
View file

@ -1094,7 +1094,10 @@ static void sf_intr(arg)
if (status & SF_ISR_RXDQ1_DMADONE)
sf_rxeof(sc);
if (status & SF_ISR_TX_TXDONE)
if (status & SF_ISR_TX_TXDONE ||
status & SF_ISR_TX_DMADONE ||
status & SF_ISR_TX_QUEUEDONE ||
status & SF_ISR_TX_LOFIFO)
sf_txeof(sc);
if (status & SF_ISR_ABNORMALINTR) {
@ -1305,7 +1308,7 @@ static void sf_start(ifp)
sc = ifp->if_softc;
SF_LOCK(sc);
if (!sc->sf_link) {
if (!sc->sf_link && ifp->if_snd.ifq_len < 10) {
SF_UNLOCK(sc);
return;
}

7
sys/pci/if_sf.c
View file

@ -1094,7 +1094,10 @@ static void sf_intr(arg)
if (status & SF_ISR_RXDQ1_DMADONE)
sf_rxeof(sc);
if (status & SF_ISR_TX_TXDONE)
if (status & SF_ISR_TX_TXDONE ||
status & SF_ISR_TX_DMADONE ||
status & SF_ISR_TX_QUEUEDONE ||
status & SF_ISR_TX_LOFIFO)
sf_txeof(sc);
if (status & SF_ISR_ABNORMALINTR) {
@ -1305,7 +1308,7 @@ static void sf_start(ifp)
sc = ifp->if_softc;
SF_LOCK(sc);
if (!sc->sf_link) {
if (!sc->sf_link && ifp->if_snd.ifq_len < 10) {
SF_UNLOCK(sc);
return;
}