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

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Message-ID: <90122A08-8AF0-4B22-886F-C863D96D119E@gmail.com>
Date:   Fri, 08 Nov 2019 14:56:15 -0800
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     "Magnus Karlsson" <magnus.karlsson@...el.com>
Cc:     bjorn.topel@...el.com, ast@...nel.org, daniel@...earbox.net,
        netdev@...r.kernel.org, u9012063@...il.com, bpf@...r.kernel.org
Subject: Re: [PATCH bpf-next 1/5] libbpf: support XDP_SHARED_UMEM with
 external XDP program



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>