Re: Processing Jumbo Packets via AF_XDP Sockets

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On Wed, May 31, 2023 at 01:10:07PM +0000, Tomas Jansky wrote:
> Hi,
> 
> I came across a year-old thread about multipacket buffer support in
> AF_XDP (https://www.spinics.net/lists/xdp-newbies/msg02212.html).
> 
> My company is very interested in the possibility of processing jumbo
> packets via AF_XDP socket with Intel X710 and Mellanox ConnectX-5 cards,
> so I wanted to ask about the current status of multipacket buffer
> support in AF_XDP sockets and also the possibility of using huge pages
> for UMEM with unaligned chunk flag to achieve the same goal.
> 
> Could we expect any of these features to be supported in the nearby
> future? Let's say a year from now.

AF_XDP multi-buffer support is on mailing lists now:
https://lore.kernel.org/bpf/20230529155024.222213-1-maciej.fijalkowski@xxxxxxxxx/T/

you already can try this out on your side but for zero-copy currently this
patchset only enables ice driver. We will follow up with i40e (X710)
support.



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