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RX checksum offloading on old Yukon controllers seem to cause more

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problems.  Disable RX checksum offloading on controllers that don't
use new descriptor format but give chance to enable it with
ifconfig(8).
This commit is contained in:
Pyun YongHyeon 2013-02-27 05:03:35 +00:00
parent ee563d630b
commit 1c3515d2d5
1 changed files with 6 additions and 0 deletions
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6
sys/dev/msk/if_msk.c
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@ -1695,6 +1695,12 @@ msk_attach(device_t dev)
ifp->if_capabilities |= IFCAP_VLAN_HWCSUM;
}
ifp->if_capenable = ifp->if_capabilities;
/*
* Disable RX checksum offloading on controllers that don't use
* new descriptor format but give chance to enable it.
*/
if ((sc_if->msk_flags & MSK_FLAG_DESCV2) == 0)
ifp->if_capenable &= ~IFCAP_RXCSUM;
/*
* Tell the upper layer(s) we support long frames.