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Date: Tue, 25 Jan 2022 16:17:14 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>, bpf@...r.kernel.org,
Jakub Kicinski <kuba@...nel.org>,
"David S . Miller" <davem@...emloft.net>,
Mathieu Xhonneux <m.xhonneux@...il.com>,
Lorenz Bauer <lmb@...udflare.com>,
William Tu <u9012063@...il.com>,
Toshiaki Makita <toshiaki.makita1@...il.com>,
Jesper Dangaard Brouer <brouer@...hat.com>,
Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH bpf 4/7] selftests/bpf/test_lwt_seg6local: use temp netns for testing
Use temp netns instead of hard code name for testing in case the
netns already exists.
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
.../selftests/bpf/test_lwt_seg6local.sh | 170 +++++++++---------
1 file changed, 88 insertions(+), 82 deletions(-)
diff --git a/tools/testing/selftests/bpf/test_lwt_seg6local.sh b/tools/testing/selftests/bpf/test_lwt_seg6local.sh
index 5620919fde9e..826f4423ce02 100755
--- a/tools/testing/selftests/bpf/test_lwt_seg6local.sh
+++ b/tools/testing/selftests/bpf/test_lwt_seg6local.sh
@@ -23,6 +23,12 @@
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+readonly NS3="ns3-$(mktemp -u XXXXXX)"
+readonly NS4="ns4-$(mktemp -u XXXXXX)"
+readonly NS5="ns5-$(mktemp -u XXXXXX)"
+readonly NS6="ns6-$(mktemp -u XXXXXX)"
msg="skip all tests:"
if [ $UID != 0 ]; then
@@ -41,23 +47,23 @@ cleanup()
fi
set +e
- ip netns del ns1 2> /dev/null
- ip netns del ns2 2> /dev/null
- ip netns del ns3 2> /dev/null
- ip netns del ns4 2> /dev/null
- ip netns del ns5 2> /dev/null
- ip netns del ns6 2> /dev/null
+ ip netns del ${NS1} 2> /dev/null
+ ip netns del ${NS2} 2> /dev/null
+ ip netns del ${NS3} 2> /dev/null
+ ip netns del ${NS4} 2> /dev/null
+ ip netns del ${NS5} 2> /dev/null
+ ip netns del ${NS6} 2> /dev/null
rm -f $TMP_FILE
}
set -e
-ip netns add ns1
-ip netns add ns2
-ip netns add ns3
-ip netns add ns4
-ip netns add ns5
-ip netns add ns6
+ip netns add ${NS1}
+ip netns add ${NS2}
+ip netns add ${NS3}
+ip netns add ${NS4}
+ip netns add ${NS5}
+ip netns add ${NS6}
trap cleanup 0 2 3 6 9
@@ -67,78 +73,78 @@ ip link add veth5 type veth peer name veth6
ip link add veth7 type veth peer name veth8
ip link add veth9 type veth peer name veth10
-ip link set veth1 netns ns1
-ip link set veth2 netns ns2
-ip link set veth3 netns ns2
-ip link set veth4 netns ns3
-ip link set veth5 netns ns3
-ip link set veth6 netns ns4
-ip link set veth7 netns ns4
-ip link set veth8 netns ns5
-ip link set veth9 netns ns5
-ip link set veth10 netns ns6
-
-ip netns exec ns1 ip link set dev veth1 up
-ip netns exec ns2 ip link set dev veth2 up
-ip netns exec ns2 ip link set dev veth3 up
-ip netns exec ns3 ip link set dev veth4 up
-ip netns exec ns3 ip link set dev veth5 up
-ip netns exec ns4 ip link set dev veth6 up
-ip netns exec ns4 ip link set dev veth7 up
-ip netns exec ns5 ip link set dev veth8 up
-ip netns exec ns5 ip link set dev veth9 up
-ip netns exec ns6 ip link set dev veth10 up
-ip netns exec ns6 ip link set dev lo up
+ip link set veth1 netns ${NS1}
+ip link set veth2 netns ${NS2}
+ip link set veth3 netns ${NS2}
+ip link set veth4 netns ${NS3}
+ip link set veth5 netns ${NS3}
+ip link set veth6 netns ${NS4}
+ip link set veth7 netns ${NS4}
+ip link set veth8 netns ${NS5}
+ip link set veth9 netns ${NS5}
+ip link set veth10 netns ${NS6}
+
+ip netns exec ${NS1} ip link set dev veth1 up
+ip netns exec ${NS2} ip link set dev veth2 up
+ip netns exec ${NS2} ip link set dev veth3 up
+ip netns exec ${NS3} ip link set dev veth4 up
+ip netns exec ${NS3} ip link set dev veth5 up
+ip netns exec ${NS4} ip link set dev veth6 up
+ip netns exec ${NS4} ip link set dev veth7 up
+ip netns exec ${NS5} ip link set dev veth8 up
+ip netns exec ${NS5} ip link set dev veth9 up
+ip netns exec ${NS6} ip link set dev veth10 up
+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
-
-ip netns exec ns1 ip -6 addr add fb00::1/16 dev lo
-ip netns exec ns1 ip -6 route add fb00::6 dev veth1 via fb00::21
-
-ip netns exec ns2 ip -6 route add fb00::6 encap bpf in obj test_lwt_seg6local.o sec encap_srh dev veth2
-ip netns exec ns2 ip -6 route add fd00::1 dev veth3 via fb00::43 scope link
-
-ip netns exec ns3 ip -6 route add fc42::1 dev veth5 via fb00::65
-ip netns exec ns3 ip -6 route add fd00::1 encap seg6local action End.BPF endpoint obj test_lwt_seg6local.o sec add_egr_x dev veth4
-
-ip netns exec ns4 ip -6 route add fd00::2 encap seg6local action End.BPF endpoint obj test_lwt_seg6local.o sec pop_egr dev veth6
-ip netns exec ns4 ip -6 addr add fc42::1 dev lo
-ip netns exec ns4 ip -6 route add fd00::3 dev veth7 via fb00::87
-
-ip netns exec ns5 ip -6 route add fd00::4 table 117 dev veth9 via fb00::109
-ip netns exec ns5 ip -6 route add fd00::3 encap seg6local action End.BPF endpoint obj test_lwt_seg6local.o sec inspect_t dev veth8
-
-ip netns exec ns6 ip -6 addr add fb00::6/16 dev lo
-ip netns exec ns6 ip -6 addr add fd00::4/16 dev lo
-
-ip netns exec ns1 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
-ip netns exec ns2 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
-ip netns exec ns3 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
-ip netns exec ns4 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
-ip netns exec ns5 sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
-
-ip netns exec ns6 sysctl net.ipv6.conf.all.seg6_enabled=1 > /dev/null
-ip netns exec ns6 sysctl net.ipv6.conf.lo.seg6_enabled=1 > /dev/null
-ip netns exec ns6 sysctl net.ipv6.conf.veth10.seg6_enabled=1 > /dev/null
-
-ip netns exec ns6 nc -l -6 -u -d 7330 > $TMP_FILE &
-ip netns exec ns1 bash -c "echo 'foobar' | nc -w0 -6 -u -p 2121 -s fb00::1 fb00::6 7330"
+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
+
+ip netns exec ${NS1} ip -6 addr add fb00::1/16 dev lo
+ip netns exec ${NS1} ip -6 route add fb00::6 dev veth1 via fb00::21
+
+ip netns exec ${NS2} ip -6 route add fb00::6 encap bpf in obj test_lwt_seg6local.o sec encap_srh dev veth2
+ip netns exec ${NS2} ip -6 route add fd00::1 dev veth3 via fb00::43 scope link
+
+ip netns exec ${NS3} ip -6 route add fc42::1 dev veth5 via fb00::65
+ip netns exec ${NS3} ip -6 route add fd00::1 encap seg6local action End.BPF endpoint obj test_lwt_seg6local.o sec add_egr_x dev veth4
+
+ip netns exec ${NS4} ip -6 route add fd00::2 encap seg6local action End.BPF endpoint obj test_lwt_seg6local.o sec pop_egr dev veth6
+ip netns exec ${NS4} ip -6 addr add fc42::1 dev lo
+ip netns exec ${NS4} ip -6 route add fd00::3 dev veth7 via fb00::87
+
+ip netns exec ${NS5} ip -6 route add fd00::4 table 117 dev veth9 via fb00::109
+ip netns exec ${NS5} ip -6 route add fd00::3 encap seg6local action End.BPF endpoint obj test_lwt_seg6local.o sec inspect_t dev veth8
+
+ip netns exec ${NS6} ip -6 addr add fb00::6/16 dev lo
+ip netns exec ${NS6} ip -6 addr add fd00::4/16 dev lo
+
+ip netns exec ${NS1} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS2} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS3} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS4} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+ip netns exec ${NS5} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
+
+ip netns exec ${NS6} sysctl net.ipv6.conf.all.seg6_enabled=1 > /dev/null
+ip netns exec ${NS6} sysctl net.ipv6.conf.lo.seg6_enabled=1 > /dev/null
+ip netns exec ${NS6} sysctl net.ipv6.conf.veth10.seg6_enabled=1 > /dev/null
+
+ip netns exec ${NS6} nc -l -6 -u -d 7330 > $TMP_FILE &
+ip netns exec ${NS1} bash -c "echo 'foobar' | nc -w0 -6 -u -p 2121 -s fb00::1 fb00::6 7330"
sleep 5 # wait enough time to ensure the UDP datagram arrived to the last segment
kill -TERM $!
--
2.31.1
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