netdev - Re: [PATCH bpf-next 1/5] libbpf: support XDP_SHARED

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Message-ID: <CALDO+SaLAQaMixtzA2VEq4a08KJnm8M5hiyC0P0xmPaMjdq05w@mail.gmail.com>
Date:   Sun, 10 Nov 2019 10:34:20 -0800
From:   William Tu <u9012063@...il.com>
To:     Jonathan Lemon <jonathan.lemon@...il.com>
Cc:     Magnus Karlsson <magnus.karlsson@...el.com>,
        Björn Töpel <bjorn.topel@...el.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next 1/5] libbpf: support XDP_SHARED_UMEM with
 external XDP program

On Fri, Nov 8, 2019 at 2:56 PM Jonathan Lemon <jonathan.lemon@...il.com> wrote:
>
>
>
> On 7 Nov 2019, at 9:47, Magnus Karlsson wrote:
>
> > Add support in libbpf to create multiple sockets that share a single
> > umem. Note that an external XDP program need to be supplied that
> > routes the incoming traffic to the desired sockets. So you need to
> > supply the libbpf_flag XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD and load
> > your own XDP program.
> >
> > Signed-off-by: Magnus Karlsson <magnus.karlsson@...el.com>
>
> Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>

Tested-by: William Tu <u9012063@...il.com>