linux-kernel - Re: [PATCH] selftests/bpf: Move test_lwt_ip_encap to test

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Message-ID: <d961af60-8e7f-4d72-9f22-a0ee8d2fac7e@linux.dev>
Date: Thu, 6 Mar 2025 14:32:17 -0800
From: Martin KaFai Lau <martin.lau@...ux.dev>
To: "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>
Cc: Andrii Nakryiko <andrii@...nel.org>, Eduard Zingerman
 <eddyz87@...il.com>, Mykola Lysenko <mykolal@...com>,
 Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
 Song Liu <song@...nel.org>, Yonghong Song <yonghong.song@...ux.dev>,
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>,
 Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>,
 Jiri Olsa <jolsa@...nel.org>, Shuah Khan <shuah@...nel.org>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
 Alexis Lothore <alexis.lothore@...tlin.com>, linux-kernel@...r.kernel.org,
 bpf@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH] selftests/bpf: Move test_lwt_ip_encap to test_progs

On 3/4/25 1:24 AM, Bastien Curutchet (eBPF Foundation) wrote:
> +int remove_routes_to_gredev(const char *ns1, const char *ns2, const char *vrf)
> +{
> +	SYS(fail, "ip -n %s route del %s dev veth5 %s", ns1, IP4_ADDR_GRE, vrf);
> +	SYS(fail, "ip -n %s route del %s dev veth7 %s", ns2, IP4_ADDR_GRE, vrf);
> +	SYS(fail, "ip -n %s -6 route del %s/128 dev veth5 %s", ns1, IP6_ADDR_GRE, vrf);
> +	SYS(fail, "ip -n %s -6 route del %s/128 dev veth7 %s", ns2, IP6_ADDR_GRE, vrf);
> +
> +	return 0;
> +fail:
> +	return -1;
> +}
> +
> +int add_unreachable_routes_to_gredev(const char *ns1, const char *ns2, const char *vrf)
> +{
> +	SYS(fail, "ip -n %s route add unreachable %s/32 %s", ns1, IP4_ADDR_GRE, vrf);
> +	SYS(fail, "ip -n %s route add unreachable %s/32 %s", ns2, IP4_ADDR_GRE, vrf);
> +	SYS(fail, "ip -n %s -6 route add unreachable %s/128 %s", ns1, IP6_ADDR_GRE, vrf);
> +	SYS(fail, "ip -n %s -6 route add unreachable %s/128 %s", ns2, IP6_ADDR_GRE, vrf);
> +
> +	return 0;
> +fail:
> +	return -1;
> +}

Added static to these two functions and applied. Thanks.