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With r232015, sf(4) gets correct speed/duplex of established link.

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Add more strict speed check in sf_miibus_statchg() and do not touch
MAC config registers when driver lost a link.
This commit is contained in:
Pyun YongHyeon 2012-02-23 06:35:18 +00:00
parent 2ad65e315d
commit 1db603d59d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=232031
1 changed files with 12 additions and 4 deletions
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16
sys/dev/sf/if_sf.c
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@ -403,11 +403,19 @@ sf_miibus_statchg(device_t dev)
(ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
return;
if (mii->mii_media_status & IFM_ACTIVE) {
if (IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE)
sc->sf_link = 0;
if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
(IFM_ACTIVE | IFM_AVALID)) {
switch (IFM_SUBTYPE(mii->mii_media_active)) {
case IFM_10_T:
case IFM_100_TX:
case IFM_100_FX:
sc->sf_link = 1;
} else
sc->sf_link = 0;
break;
}
}
if (sc->sf_link == 0)
return;
val = csr_read_4(sc, SF_MACCFG_1);
val &= ~SF_MACCFG1_FULLDUPLEX;