linux-kernel - [PATCH bpf-next 1/2] selftests/bpf: lwt

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Message-Id: <20250307-seg6local-v1-1-990fff8f180d@bootlin.com>
Date: Fri, 07 Mar 2025 10:18:23 +0100
From: "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>
To: Alexei Starovoitov <ast@...nel.org>, 
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
 Martin KaFai Lau <martin.lau@...ux.dev>, 
 Eduard Zingerman <eddyz87@...il.com>, 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>, Mykola Lysenko <mykolal@...com>, 
 Shuah Khan <shuah@...nel.org>
Cc: Alexis Lothore <alexis.lothore@...tlin.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 linux-kernel@...r.kernel.org, bpf@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 "Bastien Curutchet (eBPF Foundation)" <bastien.curutchet@...tlin.com>
Subject: [PATCH bpf-next 1/2] selftests/bpf: lwt_seg6local: Remove unused
 routes

Some routes in fb00:: are initialized during setup, even though they
aren't needed by the test as the UDP packets will travel through the
lightweight tunnels.

Remove these unnecessary routes.

Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@...tlin.com>
---
 tools/testing/selftests/bpf/test_lwt_seg6local.sh | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_lwt_seg6local.sh b/tools/testing/selftests/bpf/test_lwt_seg6local.sh
index 0efea2292d6aac3a33f4745b1cdbda803fd1f307..9c74b88730ffd98f8e988a078d218ffbcd9ee95c 100755
--- a/tools/testing/selftests/bpf/test_lwt_seg6local.sh
+++ b/tools/testing/selftests/bpf/test_lwt_seg6local.sh
@@ -99,19 +99,14 @@ ip netns exec ${NS6} ip link set dev lo up
 
 # All link scope addresses and routes required between veths
 ip netns exec ${NS1} ip -6 addr add fb00::12/16 dev veth1 scope link
-ip netns exec ${NS1} ip -6 route add fb00::21 dev veth1 scope link
 ip netns exec ${NS2} ip -6 addr add fb00::21/16 dev veth2 scope link
 ip netns exec ${NS2} ip -6 addr add fb00::34/16 dev veth3 scope link
-ip netns exec ${NS2} ip -6 route add fb00::43 dev veth3 scope link
-ip netns exec ${NS3} ip -6 route add fb00::65 dev veth5 scope link
 ip netns exec ${NS3} ip -6 addr add fb00::43/16 dev veth4 scope link
 ip netns exec ${NS3} ip -6 addr add fb00::56/16 dev veth5 scope link
 ip netns exec ${NS4} ip -6 addr add fb00::65/16 dev veth6 scope link
 ip netns exec ${NS4} ip -6 addr add fb00::78/16 dev veth7 scope link
-ip netns exec ${NS4} ip -6 route add fb00::87 dev veth7 scope link
 ip netns exec ${NS5} ip -6 addr add fb00::87/16 dev veth8 scope link
 ip netns exec ${NS5} ip -6 addr add fb00::910/16 dev veth9 scope link
-ip netns exec ${NS5} ip -6 route add fb00::109 dev veth9 scope link
 ip netns exec ${NS5} ip -6 route add fb00::109 table 117 dev veth9 scope link
 ip netns exec ${NS6} ip -6 addr add fb00::109/16 dev veth10 scope link
 

-- 
2.48.1