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Message-ID: <CAJ8uoz2J0HPfbzZQDsycRGZLnTF3Vh7cv=7iv+vA5DBa2qi9HA@mail.gmail.com> Date: Mon, 11 Feb 2019 08:52:08 +0100 From: Magnus Karlsson <magnus.karlsson@...il.com> To: Jean-Mickael Guerin <jmg@...nd.com> Cc: Magnus Karlsson <magnus.karlsson@...el.com>, Björn Töpel <bjorn.topel@...el.com>, ast@...nel.org, Daniel Borkmann <daniel@...earbox.net>, Network Development <netdev@...r.kernel.org>, Jakub Kicinski <jakub.kicinski@...ronome.com>, Björn Töpel <bjorn.topel@...il.com>, "Zhang, Qi Z" <qi.z.zhang@...el.com>, Jesper Dangaard Brouer <brouer@...hat.com>, xiaolong.ye@...el.com Subject: Re: [PATCH bpf-next v4 0/2] libbpf: adding AF_XDP support On Mon, Feb 11, 2019 at 7:34 AM Jean-Mickael Guerin <jmg@...nd.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
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