Author: yongari
Date: Wed Feb 27 05:03:35 2013
New Revision: 247382
URL: http://svnweb.freebsd.org/changeset/base/247382
Log:
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:
head/sys/dev/msk/if_msk.c
Modified: head/sys/dev/msk/if_msk.c
==============================================================================
--- head/sys/dev/msk/if_msk.c Wed Feb 27 05:02:40 2013 (r247381)
+++ head/sys/dev/msk/if_msk.c Wed Feb 27 05:03:35 2013 (r247382)
@@ -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.
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