[PATCH v4] net/af_xdp: re-enable secondary process support

Ferruh Yigit ferruh.yigit at intel.com
Fri Feb 11 14:32:16 CET 2022


On 2/9/2022 3:29 PM, Stephen Hemminger wrote:
> On Wed,  9 Feb 2022 09:48:08 +0000
> Ciara Loftus <ciara.loftus at intel.com> wrote:
> 
>> Secondary process support had been disabled for the AF_XDP PMD because
>> there was no logic in place to share the AF_XDP socket file descriptors
>> between the processes. This commit introduces this logic using the IPC
>> APIs.
>>
>> Rx and Tx are disabled in the secondary process due to memory mapping of
>> the AF_XDP rings being assigned by the kernel in the primary process only.
>> However other operations including retrieval of stats are permitted.
>>
>> Signed-off-by: Ciara Loftus <ciara.loftus at intel.com>
> 
> Acked-by: Stephen Hemminger <stephen at networkplumber.org>

Applied to dpdk-next-net/main, thanks.


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