Re: [PATCH net 2/2] selftests: forwarding: vxlan_reserved: add gbp changelink test

[Nikolay Aleksandrov <razor@blackwall.org>]

On 23/10/2026 14:14, Hannes Laimer wrote:
> On a device created with gbp, run the reserved bit probes before and
> after an unrelated changelink. Check that what the device accepts has
> not changed.
> 
> Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
> ---
>   tools/testing/selftests/net/forwarding/vxlan_reserved.sh | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
> 
> diff --git a/tools/testing/selftests/net/forwarding/vxlan_reserved.sh b/tools/testing/selftests/net/forwarding/vxlan_reserved.sh
> index 709845123727..0ce264cc57f8 100755
> --- a/tools/testing/selftests/net/forwarding/vxlan_reserved.sh
> +++ b/tools/testing/selftests/net/forwarding/vxlan_reserved.sh
> @@ -40,6 +40,7 @@
>   	reserved_31_test
>   	reserved_56_test
>   	reserved_63_test
> +	gbp_changelink_test
>       "}
>   
>   NUM_NETIFS=4
> @@ -338,6 +339,20 @@ reserved_63_test()
>   	    reserved_test 63
>   }
>   
> +gbp_changelink_test_do()
> +{
> +	vxlan_device_add gbp
> +	__default_test_do 25 "gbp"
> +	ip link set dev vx1 type vxlan ageing 300
> +	__default_test_do 25 "gbp after changelink"
> +}
> +
> +gbp_changelink_test()
> +{
> +	in_defer_scope \
> +	    gbp_changelink_test_do
> +}
> +
>   trap cleanup EXIT
>   
>   setup_prepare
> 

Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>