From: Magnus Karlsson <magnus.karlsson@gmail.com>
To: Jean-Mickael Guerin <jmg@6wind.com>
Cc: "Magnus Karlsson" <magnus.karlsson@intel.com>,
"Björn Töpel" <bjorn.topel@intel.com>,
ast@kernel.org, "Daniel Borkmann" <daniel@iogearbox.net>,
"Network Development" <netdev@vger.kernel.org>,
"Jakub Kicinski" <jakub.kicinski@netronome.com>,
"Björn Töpel" <bjorn.topel@gmail.com>,
"Zhang, Qi Z" <qi.z.zhang@intel.com>,
"Jesper Dangaard Brouer" <brouer@redhat.com>,
xiaolong.ye@intel.com
Subject: Re: [PATCH bpf-next v4 0/2] libbpf: adding AF_XDP support
Date: Mon, 11 Feb 2019 08:52:08 +0100 [thread overview]
Message-ID: <CAJ8uoz2J0HPfbzZQDsycRGZLnTF3Vh7cv=7iv+vA5DBa2qi9HA@mail.gmail.com> (raw)
In-Reply-To: <CAP2kokD9aSryMBDjt+ip=1NFronXrMfY59b6DauTT59kWHLwcw@mail.gmail.com>
On Mon, Feb 11, 2019 at 7:34 AM Jean-Mickael Guerin <jmg@6wind.com> wrote:
>
> Hi Magnus,
>
> > * In a future release, I am planning on adding a higher level data
> > plane interface too. This will be based around recvmsg and sendmsg
> > with the use of struct iovec for batching, without the user having
> > to know anything about the underlying four rings of an AF_XDP
> > socket. There will be one semantic difference though from the
> > standard recvmsg and that is that the kernel will fill in the iovecs
> > instead of the application. But the rest should be the same as the
> > libc versions so that application writers feel at home.
>
> You might consider recvmmsg() and sendmmsg() (bulk of multi segments packets?)
Exactly :-). Spot on.
/Magnus
> Jean-Mickael
next prev parent reply other threads:[~2019-02-11 7:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 13:05 [PATCH bpf-next v4 0/2] libbpf: adding AF_XDP support Magnus Karlsson
2019-02-08 13:05 ` [PATCH bpf-next v4 1/2] libbpf: add support for using AF_XDP sockets Magnus Karlsson
2019-02-15 16:37 ` Daniel Borkmann
2019-02-18 8:59 ` Magnus Karlsson
2019-02-18 11:21 ` Maciej Fijalkowski
2019-02-08 13:05 ` [PATCH bpf-next v4 2/2] samples/bpf: convert xdpsock to use libbpf for AF_XDP access Magnus Karlsson
2019-02-11 6:33 ` [PATCH bpf-next v4 0/2] libbpf: adding AF_XDP support Jean-Mickael Guerin
2019-02-11 7:52 ` Magnus Karlsson [this message]
2019-02-11 19:48 ` Jonathan Lemon
2019-02-13 11:32 ` Magnus Karlsson
2019-02-13 11:55 ` Jesper Dangaard Brouer
2019-02-15 16:20 ` Daniel Borkmann
2019-02-18 8:20 ` Magnus Karlsson
2019-02-18 9:38 ` Daniel Borkmann
2019-02-18 10:09 ` Magnus Karlsson
2019-02-13 20:49 ` Jonathan Lemon
2019-02-14 8:25 ` Magnus Karlsson
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