Author: yongari
Date: Wed Mar 6 08:04:44 2013
New Revision: 247873
URL: http://svnweb.freebsd.org/changeset/base/247873
Log:
MFC r247382:
RX checksum offloading on old Yukon controllers seem to cause more
problems. Disable RX checksum offloading on controllers that don't
use new descriptor format but give chance to enable it with
ifconfig(8).
Modified:
stable/8/sys/dev/msk/if_msk.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/dev/ (props changed)
stable/8/sys/dev/msk/ (props changed)
Modified: stable/8/sys/dev/msk/if_msk.c
==============================================================================
--- stable/8/sys/dev/msk/if_msk.c Wed Mar 6 08:03:26 2013
(r247872)
+++ stable/8/sys/dev/msk/if_msk.c Wed Mar 6 08:04:44 2013
(r247873)
@@ -1696,6 +1696,12 @@ 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.
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