netdev - Re: [PATCH bpf-next v8 11/17] selftests/bpf: Verify xdp_metadata xdp->af

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Message-ID: <833e21d0-c320-7fac-0723-4791c9097f38@linux.dev>
Date:   Fri, 20 Jan 2023 14:18:55 -0800
From:   Martin KaFai Lau <martin.lau@...ux.dev>
To:     Stanislav Fomichev <sdf@...gle.com>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        song@...nel.org, yhs@...com, john.fastabend@...il.com,
        kpsingh@...nel.org, haoluo@...gle.com, jolsa@...nel.org,
        David Ahern <dsahern@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Willem de Bruijn <willemb@...gle.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Anatoly Burakov <anatoly.burakov@...el.com>,
        Alexander Lobakin <alexandr.lobakin@...el.com>,
        Magnus Karlsson <magnus.karlsson@...il.com>,
        Maryam Tahhan <mtahhan@...hat.com>, xdp-hints@...-project.net,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH bpf-next v8 11/17] selftests/bpf: Verify xdp_metadata
 xdp->af_xdp path

On 1/19/23 2:15 PM, Stanislav Fomichev wrote:
> - create new netns
> - create veth pair (veTX+veRX)
> - setup AF_XDP socket for both interfaces
> - attach bpf to veRX
> - send packet via veTX
> - verify the packet has expected metadata at veRX
> 
> Cc: John Fastabend <john.fastabend@...il.com>
> Cc: David Ahern <dsahern@...il.com>
> Cc: Martin KaFai Lau <martin.lau@...ux.dev>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Willem de Bruijn <willemb@...gle.com>
> Cc: Jesper Dangaard Brouer <brouer@...hat.com>
> Cc: Anatoly Burakov <anatoly.burakov@...el.com>
> Cc: Alexander Lobakin <alexandr.lobakin@...el.com>
> Cc: Magnus Karlsson <magnus.karlsson@...il.com>
> Cc: Maryam Tahhan <mtahhan@...hat.com>
> Cc: xdp-hints@...-project.net
> Cc: netdev@...r.kernel.org
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
> ---
>   tools/testing/selftests/bpf/Makefile          |   2 +-
>   .../selftests/bpf/prog_tests/xdp_metadata.c   | 410 ++++++++++++++++++
The test cannot be run in s390x, so it needs to be in DENYLIST.s390x.