[dpdk-dev] [PATCH v6 1/5] net/af_xdp: introduce AF XDP PMD driver

Stephen Hemminger stephen at networkplumber.org
Tue Mar 26 20:08:50 CET 2019


On Tue, 26 Mar 2019 20:20:25 +0800
Xiaolong Ye <xiaolong.ye at intel.com> wrote:

> +This Linux-specific PMD driver creates the AF_XDP socket and binds it to a
> +specific netdev queue, it allows a DPDK application to send and receive raw
> +packets through the socket which would bypass the kernel network stack.
> +Current implementation only supports single queue, multi-queues feature will
> +be added later.
> +

It might be worth mentioning that MTU in XDP is limited because the kernel
doesn't allow XDP with segmented packets.


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