test_xdp_vlan.sh reports the error as below: $ sudo ./test_xdp_vlan_mode_native.sh + '[' -z xdp_vlan_mode_native ']' + XDP_MODE=xdpgeneric …… + export XDP_PROG=xdp_vlan_remove_outer2 + XDP_PROG=xdp_vlan_remove_outer2 + ip netns exec ns1 ip link set veth1 xdpdrv off Error: XDP program already attached. ip will throw an error in case a XDP program is already attached to the networking interface, to prevent it from being overridden by accident. In order to replace the currently running XDP program with a new one, the -force option must be used. Signed-off-by: Jianlin Lv <Jianlin.Lv@xxxxxxx> --- tools/testing/selftests/bpf/test_xdp_vlan.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/test_xdp_vlan.sh b/tools/testing/selftests/bpf/test_xdp_vlan.sh index bb8b0da91686..034e603aeb50 100755 --- a/tools/testing/selftests/bpf/test_xdp_vlan.sh +++ b/tools/testing/selftests/bpf/test_xdp_vlan.sh @@ -220,7 +220,7 @@ ip netns exec ns1 ping -i 0.2 -W 2 -c 2 $IPADDR2 # ETH_P_8021Q indication, and this cause overwriting of our changes. # export XDP_PROG=xdp_vlan_remove_outer2 -ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE off +ip netns exec ns1 ip -force link set $DEVNS1 $XDP_MODE off ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE object $FILE section $XDP_PROG # Now the namespaces should still be able reach each-other, test with ping: -- 2.17.1
