Re: [PATCH net-next 5/5] selftests: seg6: add End.X PSP selftest

[Hangbin Liu <hangbin.liu@linux.dev>]

On Tue, Sep 22, 2026 at 04:54:47PM +0800, Hangbin Liu wrote:
> From: Hangbin Liu <liuhangbin@kylinos.cn>
> 
> The current selftest only exercises End with PSP. Add a new test that
> uses End.X on the PSP path so the kernel's End.X flavor handling is
> validated end to end.
> 
> Extend __setup_rt_policy() to parse End.X action field from the
> router description, allowing entries like:
>   4:psp:End.X,4,2
>   3:psp:End.X,3,1
> 
> Since SETUP_ERR is not set in one setup function, and the middle test may
> set ret to 1, we also need to check ret before setting the result as SKIP.
> 
> Signed-off-by: Hangbin Liu <liuhangbin@kylinos.cn>
> ---
>  .../testing/selftests/net/srv6_end_flavors_test.sh | 83 ++++++++++++++++++++--
>  1 file changed, 78 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/testing/selftests/net/srv6_end_flavors_test.sh b/tools/testing/selftests/net/srv6_end_flavors_test.sh
> index 52731983b4cc..e130d0d71b3d 100755
> --- a/tools/testing/selftests/net/srv6_end_flavors_test.sh
> +++ b/tools/testing/selftests/net/srv6_end_flavors_test.sh
[...]
>  
> +setup_endx_flv_psp()
> +{
> +	# Direction hs-1 -> hs-2 (End.X PSP flavor)
> +	# SID List=fcff:3::e,fcff:4::ef1,cafe::2
> +	#  - rt-1 (SRv6 H.Insert policy)
> +	#  - rt-3 (SRv6 End behavior)
> +	#  - rt-4 (SRv6 End.X flavor PSP with SL=1)
> +	#  - rt-2 (Route to hs-2 via nh and oif)

Oh, just noticed that I made a mistake comment. It should be

	#  - rt-4 (SRv6 End.X flavor PSP with SL=1, route to rt-2 via nh and oif)
	#  - rt-2 (Route to hs-2 with same subnet)

> +	#
> +	# Direction hs-2 -> hs-1 (End.X PSP flavor)
> +	# SID List=fcff:3::ef1,cafe::1
> +	#  - rt-2 (SRv6 H.Insert policy)
> +	#  - rt-3 (SRv6 End.X flavor PSP with SL=1)
> +	#  - rt-1 (Route to hs-1 via nh and oif)

Same here.

> +	setup_rt_policy_ipv6 2 1 "3:noflv:End 4:psp:End.X,4,2"
> +	setup_rt_policy_ipv6 1 2 "3:psp:End.X,3,1"

Thanks
Hangbin