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From: Hangbin Liu <liuhangbin@gmail.com>
To: netdev@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	bpf@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>,
	"David S . Miller" <davem@davemloft.net>,
	Mathieu Xhonneux <m.xhonneux@gmail.com>,
	Lorenz Bauer <lmb@cloudflare.com>,
	William Tu <u9012063@gmail.com>,
	Toshiaki Makita <toshiaki.makita1@gmail.com>,
	Jesper Dangaard Brouer <brouer@redhat.com>,
	Hangbin Liu <liuhangbin@gmail.com>
Subject: [PATCH bpf 2/7] selftests/bpf/test_xdp_veth: use temp netns for testing
Date: Tue, 25 Jan 2022 16:17:12 +0800	[thread overview]
Message-ID: <20220125081717.1260849-3-liuhangbin@gmail.com> (raw)
In-Reply-To: <20220125081717.1260849-1-liuhangbin@gmail.com>

Use temp netns instead of hard code name for testing in case the
netns already exists.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
---
 tools/testing/selftests/bpf/test_xdp_veth.sh | 39 +++++++++++---------
 1 file changed, 21 insertions(+), 18 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_xdp_veth.sh b/tools/testing/selftests/bpf/test_xdp_veth.sh
index a3a1eaee26ea..392d28cc4e58 100755
--- a/tools/testing/selftests/bpf/test_xdp_veth.sh
+++ b/tools/testing/selftests/bpf/test_xdp_veth.sh
@@ -22,6 +22,9 @@ ksft_skip=4
 TESTNAME=xdp_veth
 BPF_FS=$(awk '$3 == "bpf" {print $2; exit}' /proc/mounts)
 BPF_DIR=$BPF_FS/test_$TESTNAME
+readonly NS1="ns1-$(mktemp -u XXXXXX)"
+readonly NS2="ns2-$(mktemp -u XXXXXX)"
+readonly NS3="ns3-$(mktemp -u XXXXXX)"
 
 _cleanup()
 {
@@ -29,9 +32,9 @@ _cleanup()
 	ip link del veth1 2> /dev/null
 	ip link del veth2 2> /dev/null
 	ip link del veth3 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 ${NS1} 2> /dev/null
+	ip netns del ${NS2} 2> /dev/null
+	ip netns del ${NS3} 2> /dev/null
 	rm -rf $BPF_DIR 2> /dev/null
 }
 
@@ -77,24 +80,24 @@ set -e
 
 trap cleanup_skip EXIT
 
-ip netns add ns1
-ip netns add ns2
-ip netns add ns3
+ip netns add ${NS1}
+ip netns add ${NS2}
+ip netns add ${NS3}
 
-ip link add veth1 index 111 type veth peer name veth11 netns ns1
-ip link add veth2 index 122 type veth peer name veth22 netns ns2
-ip link add veth3 index 133 type veth peer name veth33 netns ns3
+ip link add veth1 index 111 type veth peer name veth11 netns ${NS1}
+ip link add veth2 index 122 type veth peer name veth22 netns ${NS2}
+ip link add veth3 index 133 type veth peer name veth33 netns ${NS3}
 
 ip link set veth1 up
 ip link set veth2 up
 ip link set veth3 up
 
-ip -n ns1 addr add 10.1.1.11/24 dev veth11
-ip -n ns3 addr add 10.1.1.33/24 dev veth33
+ip -n ${NS1} addr add 10.1.1.11/24 dev veth11
+ip -n ${NS3} addr add 10.1.1.33/24 dev veth33
 
-ip -n ns1 link set dev veth11 up
-ip -n ns2 link set dev veth22 up
-ip -n ns3 link set dev veth33 up
+ip -n ${NS1} link set dev veth11 up
+ip -n ${NS2} link set dev veth22 up
+ip -n ${NS3} link set dev veth33 up
 
 mkdir $BPF_DIR
 bpftool prog loadall \
@@ -107,12 +110,12 @@ ip link set dev veth1 xdp pinned $BPF_DIR/progs/redirect_map_0
 ip link set dev veth2 xdp pinned $BPF_DIR/progs/redirect_map_1
 ip link set dev veth3 xdp pinned $BPF_DIR/progs/redirect_map_2
 
-ip -n ns1 link set dev veth11 xdp obj xdp_dummy.o sec xdp
-ip -n ns2 link set dev veth22 xdp obj xdp_tx.o sec xdp
-ip -n ns3 link set dev veth33 xdp obj xdp_dummy.o sec xdp
+ip -n ${NS1} link set dev veth11 xdp obj xdp_dummy.o sec xdp
+ip -n ${NS2} link set dev veth22 xdp obj xdp_tx.o sec xdp
+ip -n ${NS3} link set dev veth33 xdp obj xdp_dummy.o sec xdp
 
 trap cleanup EXIT
 
-ip netns exec ns1 ping -c 1 -W 1 10.1.1.33
+ip netns exec ${NS1} ping -c 1 -W 1 10.1.1.33
 
 exit 0
-- 
2.31.1


  parent reply	other threads:[~2022-01-25  9:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-25  8:17 [PATCH bpf 0/7] selftests/bpf: use temp netns for testing Hangbin Liu
2022-01-25  8:17 ` [PATCH bpf 1/7] selftests/bpf/test_xdp_redirect_multi: " Hangbin Liu
2022-01-27  5:24   ` William Tu
2022-01-27  5:34   ` John Fastabend
2022-01-27  6:40     ` Hangbin Liu
2022-01-28  2:53       ` John Fastabend
2022-01-25  8:17 ` Hangbin Liu [this message]
2022-01-25  8:17 ` [PATCH bpf 3/7] selftests/bpf/test_xdp_vlan: " Hangbin Liu
2022-01-25  8:17 ` [PATCH bpf 4/7] selftests/bpf/test_lwt_seg6local: " Hangbin Liu
2022-01-25  8:17 ` [PATCH bpf 5/7] selftests/bpf/test_tcp_check_syncookie: " Hangbin Liu
2022-01-26  9:32   ` Lorenz Bauer
2022-01-25  8:17 ` [PATCH bpf 6/7] selftests/bpf/test_xdp_meta: " Hangbin Liu
2022-01-25  8:17 ` [PATCH bpf 7/7] selftests/bpf/test_xdp_redirect: " Hangbin Liu
2022-01-27  5:26   ` William Tu
2022-01-28  2:54 ` [PATCH bpf 0/7] selftests/bpf: " John Fastabend

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