From: Avi Cohen <acohen@ves.io>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: users@dpdk.org
Subject: Re: [dpdk-users] eBPF in DPDK
Date: Mon, 8 Apr 2019 21:16:53 +0300 [thread overview]
Message-ID: <CAJGSrbPMH-MuWDzCWcZT-BF1=TAB5ZB1N_ZBujUdLmt5j2Bhpw@mail.gmail.com> (raw)
In-Reply-To: <20190408080903.7669aa11@shemminger-XPS-13-9360>
Stephen
I did not understand. Is this eBPF dpdk feature can run in the kernel or
userspace ?
Regards avi
בתאריך יום ב׳, 8 באפר׳ 2019, 18:09, מאת Stephen Hemminger <
stephen@networkplumber.org>:
> On Mon, 8 Apr 2019 17:25:55 +0300
> Avi Cohen <acohen@ves.io> wrote:
>
> > Hi All,
> > can someone refer to the flow of a packet that is processed in eBPF
> > program in the kernel . and then forwarded to DPDK-app in user space.
> > this was integrated into DPDK 18.05 but not documented. (
> > https://doc.dpdk.org/guides-18.05/prog_guide/bpf_lib.html)
> > what is the PMD type for this flow ? new socket ? what is the penalty ?
> > i thought to do some traffic filtering there.
> > pros/cons ?
> > Best Regards
> > Avi
>
>
> Unlike Linux which has a predetermined set of steps in processing packets.
> DPDK is a raw toolkit where the processing is composed totally by the
> network application.
>
> Therefore DPDK has a raw eBPF library, it is up to the application to
> install it where
> it wants in the packet processing. One example is done via rx and tx
> callbacks
> as shown in the rte_bpf_ethdev.h.
>
next prev parent reply other threads:[~2019-04-08 18:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-08 14:25 Avi Cohen
2019-04-08 15:09 ` Stephen Hemminger
2019-04-08 18:16 ` Avi Cohen [this message]
2019-04-08 18:31 ` Stephen Hemminger
2019-04-08 18:37 ` Avi Cohen
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