[dpdk-dev] vmxnet3 driver - vlan offload is on end descriptor

Yong Wang yongwang at vmware.com
Thu Apr 7 20:22:48 CEST 2016


On 4/7/16, 10:34 AM, "Thomas Monjalon" <thomas.monjalon at 6wind.com> wrote:



>2016-04-07 17:11, John Guzik:
>> With the new jumbo frame patch a latent bug has appeared to have been uncovered: the VLAN offload is on the last rx descriptor, when rcd->eop is true, not the first rx descriptor, when rcd->sop is true and rcd->eop could be false.
>> Most likely the reason this has not been seen before is that for non-jumbo frames rcd->eop has always been true when rcd->sop is true as well.
>
>Thanks for reporting.
>Please Yong, could you confirm?
>
>John, 2 tags are needed to be applied:
>Fixes: commit-origin-of-the-bug
>Signed-off-by:
>Please check https://urldefense.proofpoint.com/v2/url?u=http-3A__dpdk.org_dev-23send&d=BQICAg&c=Sqcl0Ez6M0X8aeM67LKIiDJAXVeAw-YihVMNtXt-uEs&r=44mSO5N5yEs4CeCdtQE0xt0F7J0p67_mApYVAzyYms0&m=qucd32eb66O4TLIXrrV-znC7i8UqlSsNVl12u64zFxI&s=P5mdk_qNVscagTjvA2DK44y4vfbI0yN2M8XDlBirX5M&e=  for more details. Thanks

Please add the sign-off and fixes info as Thomas suggested.

Acked-by: Yong Wang <yongwang at vmware.com>


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