linux-kernel - Re: [PATCH ipsec-next v1 7/7] bpf: xfrm: Add selftest for bpf_xdp_get_xfrm

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Message-ID: <rsj2usphrnghq3gnwkbho7rek7ffbgyur4kjuakpfxwu7zqpzw@cj3rmd4gupxq>
Date:   Fri, 24 Nov 2023 13:59:24 -0700
From:   Daniel Xu <dxu@...uu.xyz>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     John Fastabend <john.fastabend@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Shuah Khan <shuah@...nel.org>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        antony.antony@...unet.com, Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>,
        Yonghong Song <yonghong.song@...ux.dev>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Mykola Lysenko <mykolal@...com>, bpf <bpf@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        devel@...ux-ipsec.org
Subject: Re: [PATCH ipsec-next v1 7/7] bpf: xfrm: Add selftest for
 bpf_xdp_get_xfrm_state()

Hi Alexei,

On Wed, Nov 22, 2023 at 03:28:16PM -0800, Alexei Starovoitov wrote:
> On Wed, Nov 22, 2023 at 10:21 AM Daniel Xu <dxu@...uu.xyz> wrote:
> >
> > +
> > +       bpf_printk("replay-window %d\n", x->replay_esn->replay_window);
> 
> Pls no printk in tests. Find a different way to validate.

Ack. I'll migrate the ipsec tunnel tests to test_progs next rev so it
can use mmaped globals.

Thanks,
Daniel