Subject: Re: [PATCH net-next] selftests: net: vxlan: Fix selftest after changes in iproute2.

From: Ido Schimmel <[email-masked]>
Date: Wed, 7 Jun 2023 19:32:20 +0300

On Wed, Jun 07, 2023 at 09:06:21PM +0800, Vladimir Nikishkin wrote:
> 1. Make test_vxlan_nolocalbypass.sh uses ip -j JSON output.
> 2. Make sure that vxlan nolocalbypass tests pass with the upstream iproute2.

I would drop this numbering and just state:

"
The iproute2 output that eventually landed upstream is different than
the one used in this test, resulting in failures. Fix by adjusting the
test to use iproute2's JSON output, which is more stable than regular
output.

Fixes: 305c04189997 ("selftests: net: vxlan: Add tests for vxlan nolocalbypass option.")
"

> 
> Signed-off-by: Vladimir Nikishkin <[email-masked]>
> ---
> 
> This is version 0. As suggested in the mailing list, fix tests
> after the change to iproute2 is accepted.
> 
>  tools/testing/selftests/net/test_vxlan_nolocalbypass.sh | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/testing/selftests/net/test_vxlan_nolocalbypass.sh b/tools/testing/selftests/net/test_vxlan_nolocalbypass.sh
> index 46067db53068..1189842c188b 100755
> --- a/tools/testing/selftests/net/test_vxlan_nolocalbypass.sh
> +++ b/tools/testing/selftests/net/test_vxlan_nolocalbypass.sh
> @@ -130,7 +130,7 @@ nolocalbypass()
>  	run_cmd "tc -n ns1 qdisc add dev lo clsact"
>  	run_cmd "tc -n ns1 filter add dev lo ingress pref 1 handle 101 proto ip flower ip_proto udp dst_port 4790 action drop"
>  
> -	run_cmd "ip -n ns1 -d link show dev vx0 | grep ' localbypass'"
> +        run_cmd "ip -n ns1 -d -j link show dev vx0 | jq -e '.[][\"linkinfo\"][\"info_data\"][\"localbypass\"] == true'"

Please replace the 8 spaces with a tab (like in the rest of the test).
Same in other places.

Thanks

>  	log_test $? 0 "localbypass enabled"
>  
>  	run_cmd "ip netns exec ns1 mausezahn vx0 -a $smac -b $dmac -c 1 -p 100 -q"
> @@ -140,7 +140,7 @@ nolocalbypass()
>  
>  	run_cmd "ip -n ns1 link set dev vx0 type vxlan nolocalbypass"
>  
> -	run_cmd "ip -n ns1 -d link show dev vx0 | grep 'nolocalbypass'"
> +        run_cmd "ip -n ns1 -d -j link show dev vx0 | jq -e '.[][\"linkinfo\"][\"info_data\"][\"localbypass\"] == false'"
>  	log_test $? 0 "localbypass disabled"
>  
>  	run_cmd "ip netns exec ns1 mausezahn vx0 -a $smac -b $dmac -c 1 -p 100 -q"
> @@ -150,7 +150,7 @@ nolocalbypass()
>  
>  	run_cmd "ip -n ns1 link set dev vx0 type vxlan localbypass"
>  
> -	run_cmd "ip -n ns1 -d link show dev vx0 | grep ' localbypass'"
> +        run_cmd "ip -n ns1 -d -j link show dev vx0 | jq -e '.[][\"linkinfo\"][\"info_data\"][\"localbypass\"] == true'"
>  	log_test $? 0 "localbypass enabled"
>  
>  	run_cmd "ip netns exec ns1 mausezahn vx0 -a $smac -b $dmac -c 1 -p 100 -q"
> -- 
> 2.35.8
> 
> --
> Fastmail.
> 
>