Commit 9d66c9dd authored by Hangbin Liu's avatar Hangbin Liu Committed by Alexei Starovoitov
Browse files

selftests/bpf/test_xdp_veth: use temp netns for testing 



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

Signed-off-by: default avatarHangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20220125081717.1260849-3-liuhangbin@gmail.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent cec74489

tools/testing/selftests/bpf/test_xdp_veth.sh

+21 −18
Original line number Diff line number Diff line
@@ -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