From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH v6 1/5] net/af_xdp: introduce AF XDP PMD
	driver
Date: Tue, 26 Mar 2019 12:08:50 -0700
Message-ID: <20190326120850.4f3cefa7@shemminger-XPS-13-9360>
References: <20190301080947.91086-1-xiaolong.ye@intel.com>
 <20190326122029.59359-1-xiaolong.ye@intel.com>
 <20190326122029.59359-2-xiaolong.ye@intel.com>
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Cc: dev@dpdk.org, David Marchand <david.marchand@redhat.com>, Andrew
 Rybchenko <arybchenko@solarflare.com>, Qi Zhang <qi.z.zhang@intel.com>,
 Karlsson Magnus <magnus.karlsson@intel.com>, Topel Bjorn
 <bjorn.topel@intel.com>, Maxime Coquelin <maxime.coquelin@redhat.com>,
 Ferruh Yigit <ferruh.yigit@intel.com>, Luca Boccassi <bluca@debian.org>,
 Bruce Richardson <bruce.richardson@intel.com>, Ananyev Konstantin
 <konstantin.ananyev@intel.com>
To: Xiaolong Ye <xiaolong.ye@intel.com>
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On Tue, 26 Mar 2019 20:20:25 +0800
Xiaolong Ye <xiaolong.ye@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.