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authorBrian King <brking@linux.vnet.ibm.com>2007-09-15 13:36:07 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:50:43 -0700
commitf4ff28720f45354573dcf4e0eb5a2dc5452cb3e1 (patch)
treebdd8f33e738962c44f1172a3fd3a3aebb0246f61 /include/asm-powerpc/oprofile_impl.h
parentdf950828b0ee51ff63c49c67d561bfd3d6096788 (diff)
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ibmveth: Enable TCP checksum offload
This patchset enables TCP checksum offload support for IPV4 on ibmveth. This completely eliminates the generation and checking of the checksum for packets that are completely virtual and never touch a physical network. A simple TCP_STREAM netperf run on a virtual network with maximum mtu set yielded a ~30% increase in throughput. This feature is enabled by default on systems that support it, but can be disabled with a module option. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-powerpc/oprofile_impl.h')
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