On Fri, Jul 10, 2026 at 03:22:11PM +0200, Andrea Mayer wrote:
> On Wed, 8 Jul 2026 17:27:45 +0200
> Alessio Faina <[email protected]> wrote:
>
> > In case iproute2 is older than version 5.14.0, released ~Sept 1, 2021,
> > the End.DT46 support is not available and the host_vpn_tests test contained
> > in the srv6_end_dt46_l3vpn_test.sh file is failing in some kernel backports.
> > This is the result of those tests:
> >
> > ################################################################################
> > TEST SECTION: SRv6 VPN connectivity test among hosts in the same tenant
> > ################################################################################
> >
> > TEST: IPv6 Hosts connectivity: hs-t100-1 -> hs-t100-2 (tenant 100) [
> > FAIL ]
> >
> > TEST: IPv4 Hosts connectivity: hs-t100-1 -> hs-t100-2 (tenant 100) [
> > FAIL ]
> >
> > TEST: IPv6 Hosts connectivity: hs-t100-2 -> hs-t100-1 (tenant 100) [
> > FAIL ]
> >
> > TEST: IPv4 Hosts connectivity: hs-t100-2 -> hs-t100-1 (tenant 100) [
> > FAIL ]
> >
> > TEST: IPv6 Hosts connectivity: hs-t200-3 -> hs-t200-4 (tenant 200) [
> > FAIL ]
> >
> > TEST: IPv4 Hosts connectivity: hs-t200-3 -> hs-t200-4 (tenant 200) [
> > FAIL ]
> >
> > TEST: IPv6 Hosts connectivity: hs-t200-4 -> hs-t200-3 (tenant 200) [
> > FAIL ]
> >
> > TEST: IPv4 Hosts connectivity: hs-t200-4 -> hs-t200-3 (tenant 200) [
> > FAIL ]
> >
> > To amend this, check the current running iproute2 supports the required
> > feature and, if not, just skip the test to avoid a failure.
> >
> >
> > Signed-off-by: Alessio Faina <[email protected]>
> > ---
> > .../selftests/net/srv6_end_dt46_l3vpn_test.sh | 13 ++++++++-----
> > 1 file changed, 8 insertions(+), 5 deletions(-)
> >
> > diff --git a/tools/testing/selftests/net/srv6_end_dt46_l3vpn_test.sh
> > b/tools/testing/selftests/net/srv6_end_dt46_l3vpn_test.sh
> > index a5e959a080bb..406c6a3d253e 100755
> > --- a/tools/testing/selftests/net/srv6_end_dt46_l3vpn_test.sh
> > +++ b/tools/testing/selftests/net/srv6_end_dt46_l3vpn_test.sh
> > @@ -510,12 +510,15 @@ host2gateway_tests()
> > host_vpn_tests()
> > {
> > log_section "SRv6 VPN connectivity test among hosts in the same tenant"
> > + if ip route add help 2>&1 | grep -q -i End.DT46; then
> > + check_and_log_hs_connectivity 1 2 100
> > + check_and_log_hs_connectivity 2 1 100
> >
> > - check_and_log_hs_connectivity 1 2 100
> > - check_and_log_hs_connectivity 2 1 100
> > -
> > - check_and_log_hs_connectivity 3 4 200
> > - check_and_log_hs_connectivity 4 3 200
> > + check_and_log_hs_connectivity 3 4 200
> > + check_and_log_hs_connectivity 4 3 200
> > + else
> > + echo "SKIP: SRv6 End.DT46 is unsupported by the installed
> > iproute2 version"
> > + fi
> > }
>
> Hi Alessio,
>
> Rather than inlining the check inside host_vpn_tests(), I think it would be
> better to follow the pattern already used in srv6_hencap_red_l3vpn_test.sh,
> where test_iproute2_supp_or_ksft_skip() is called before setup(). A similar
> function here could exit the whole script with $ksft_skip if End.DT46 is not
> supported by the installed iproute2.
>
> Thanks,
>
> Ciao
> Andrea
Hi Andrea,
Thanks for your feedback, I will send a V2 with the requested changes.
Kind regards,
-Alessio
