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Enable ethernet flow-control on all alc(4) controllers. This change

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should reduce a lot of dropped frames under high network load.
This commit is contained in:
Pyun YongHyeon 2010-11-26 02:10:56 +00:00
parent fc519a189b
commit 9f4e8f4601
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=215850
1 changed files with 1 additions and 3 deletions
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4
sys/dev/alc/if_alc.c
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@ -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);
}