[dpdk-dev] [PATCH 2/2] net/ixgbe: calculate correct number of received packets for ARM NEON-version vPMD

Jianbo Liu jianbo.liu at linaro.org
Thu Dec 22 02:05:56 CET 2016


Hi Jerin,

On 21 December 2016 at 18:08, Jerin Jacob
<jerin.jacob at caviumnetworks.com> wrote:
> On Mon, Dec 19, 2016 at 11:39:18AM +0530, Jianbo Liu wrote:
>
> Hi Jianbo,
>
>> vPMD will check 4 descriptors in one time, but the statuses are not consistent
>> because the memory allocated for RX descriptors is cacheable huagepage.
> Is it different in X86 case ?i.e Is x86 creating non cacheable hugepages?
> I am just looking at what it takes to fix similar issues for all drivers wrt armv8.
>
> Are you able to reproduce this issue any armv8 platform. If so, could
> you please the platform detail and commands to reproduce this issue?
>

I have tested on Huawei D03 and Softiron with Intel X540, same issue
for both of them.
The setup is very simple: loopback 2 ports, then run testpmd.


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