e1000: signal guest on successful link auto-negotiation
Generate a link status change interrupt once link auto-netotiation is successfully completed. This does not affect Linux and Windows (XP and 7 tested) in any way, but is needed by the stock OS X driver (AppleIntel8254XEthernet.kext), which would otherwise fail to notice the link status change event. Signed-off-by: Gabriel Somlo <somlo@cmu.edu> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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@ -213,6 +213,7 @@ e1000_autoneg_timer(void *opaque)
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s->phy_reg[PHY_LP_ABILITY] |= MII_LPAR_LPACK;
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s->phy_reg[PHY_STATUS] |= MII_SR_AUTONEG_COMPLETE;
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DBGOUT(PHY, "Auto negotiation is completed\n");
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set_ics(s, 0, E1000_ICS_LSC); /* signal link status change to guest */
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}
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}
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