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From: Jakub Kicinski <kubakici@wp.pl>
To: Alexander Duyck <alexander.duyck@gmail.com>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
	John Fastabend <john.fastabend@gmail.com>,
	David Miller <davem@davemloft.net>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Jesper Dangaard Brouer <brouer@redhat.com>,
	shrijeet@gmail.com, Tom Herbert <tom@herbertland.com>,
	Netdev <netdev@vger.kernel.org>,
	Shrijeet Mukherjee <shm@cumulusnetworks.com>,
	roopa <roopa@cumulusnetworks.com>,
	nikolay@cumulusnetworks.com
Subject: Re: [PATCH net-next RFC WIP] Patch for XDP support for virtio_net
Date: Fri, 28 Oct 2016 21:42:28 +0100	[thread overview]
Message-ID: <20161028214228.7200fef2@jkicinski-Precision-T1700> (raw)
In-Reply-To: <CAKgT0UfZJ1wP9f-ZFVqdDUXMw90DKsRp+NDuam9YnHzbD=Tuig@mail.gmail.com>

On Fri, 28 Oct 2016 13:35:02 -0700, Alexander Duyck wrote:
> > At the same time XDP doesn't require to use 4k buffer in something like Netronome.
> > If xdp bpf program can be offloaded into HW with 1800 byte buffers, great!  
> 
> So are you saying this is only really meant to be used with a full bpf
> hardware offload then?

I think Alexei just meant to say I don't have to worry about providing
4k buffers when program is offloaded but on the host a page is the
memory granularity for XDP...

  reply	other threads:[~2016-10-28 20:42 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-22  4:07 [PATCH net-next RFC WIP] Patch for XDP support for virtio_net Shrijeet Mukherjee
2016-10-23 16:38 ` Stephen Hemminger
2016-10-24  1:51   ` Shrijeet Mukherjee
2016-10-25  1:10     ` Alexei Starovoitov
2016-10-25 17:36 ` Jakub Kicinski
2016-10-26 13:52 ` Jesper Dangaard Brouer
2016-10-26 16:36   ` Michael S. Tsirkin
2016-10-26 16:52     ` David Miller
2016-10-26 17:07       ` Michael S. Tsirkin
2016-10-26 17:11         ` David Miller
2016-10-27  8:55           ` Jesper Dangaard Brouer
2016-10-27 21:09             ` John Fastabend
2016-10-27 21:30               ` Michael S. Tsirkin
2016-10-27 21:42                 ` David Miller
2016-10-27 22:25                   ` Michael S. Tsirkin
2016-10-28  1:35                     ` David Miller
2016-10-28  1:43                       ` Alexander Duyck
2016-10-28  2:10                         ` David Miller
2016-10-28 15:56                           ` John Fastabend
2016-10-28 16:18                             ` Jakub Kicinski
2016-10-28 18:22                               ` Alexei Starovoitov
2016-10-28 20:35                                 ` Alexander Duyck
2016-10-28 20:42                                   ` Jakub Kicinski [this message]
2016-10-28 20:36                                 ` Jakub Kicinski
2016-10-29  3:51                                 ` Shrijeet Mukherjee
2016-10-29 11:25                                   ` Thomas Graf
2016-11-02 14:27                                     ` Jesper Dangaard Brouer
2016-11-03  1:28                                       ` Shrijeet Mukherjee
2016-11-03  4:11                                         ` Michael S. Tsirkin
2016-11-03  6:44                                           ` John Fastabend
2016-11-03 22:20                                             ` John Fastabend
2016-11-03 22:42                                             ` Michael S. Tsirkin
2016-11-03 23:29                                               ` John Fastabend
2016-11-04  0:34                                                 ` Michael S. Tsirkin
2016-11-04 23:05                                                   ` John Fastabend
2016-11-06  6:50                                                     ` Michael S. Tsirkin
2016-10-28 17:11                             ` David Miller
2016-10-30 22:53                               ` Michael S. Tsirkin
2016-11-02 14:01                               ` Jesper Dangaard Brouer
2016-11-02 16:06                                 ` Alexander Duyck
2016-10-28  0:02               ` Shrijeet Mukherjee
2016-10-28  0:46                 ` Shrijeet Mukherjee

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