Author: yongari
Date: Fri Nov 26 02:10:56 2010
New Revision: 215850
URL: http://svn.freebsd.org/changeset/base/215850
Log:
Enable ethernet flow-control on all alc(4) controllers. This change
should reduce a lot of dropped frames under high network load.
Modified:
head/sys/dev/alc/if_alc.c
Modified: head/sys/dev/alc/if_alc.c
==============================================================================
--- head/sys/dev/alc/if_alc.c Fri Nov 26 02:01:16 2010 (r215849)
+++ head/sys/dev/alc/if_alc.c Fri Nov 26 02:10:56 2010 (r215850)
@@ -974,7 +974,7 @@ alc_attach(device_t dev)
/* Set up MII bus. */
error = mii_attach(dev, &sc->alc_miibus, ifp, alc_mediachange,
alc_mediastatus, BMSR_DEFCAPMASK, sc->alc_phyaddr, MII_OFFSET_ANY,
- 0);
+ MIIF_DOPAUSE);
if (error != 0) {
device_printf(dev, "attaching PHYs failed\n");
goto fail;
@@ -2475,12 +2475,10 @@ alc_mac_config(struct alc_softc *sc)
}
if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) {
reg |= MAC_CFG_FULL_DUPLEX;
-#ifdef notyet
if ((IFM_OPTIONS(mii->mii_media_active) & IFM_ETH_TXPAUSE) != 0)
reg |= MAC_CFG_TX_FC;
if ((IFM_OPTIONS(mii->mii_media_active) & IFM_ETH_RXPAUSE) != 0)
reg |= MAC_CFG_RX_FC;
-#endif
}
CSR_WRITE_4(sc, ALC_MAC_CFG, reg);
}
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