On Mon, Aug 24, 2026 at 11:15:37AM +0200, Alessio Faina wrote: > In case iproute2 is older than version 5.14.0, released ~Sept 1, 2021, > the End.DT4/DT6/DX4/DX6 support are not available and the tests > contained in the following 4 test files > - srv6_end_dt4_l3vpn_test.sh > - srv6_end_dt6_l3vpn_test.sh > - srv6_end_dx4_netfilter_test.sh > - srv6_end_dx6_netfilter_test.sh > are failing in some kernel backports. > This is the result of one those tests in an unsupported environment: > > \################################################################################ > \TEST SECTION: SRv6 VPN connectivity test among hosts in the same tenant > \################################################################################ > \ > \ TEST: Hosts connectivity: hs-t100-1 -> hs-t100-2 (tenant 100) > [FAIL] > \ > \ TEST: Hosts connectivity: hs-t100-2 -> hs-t100-1 (tenant 100) > [FAIL] > \ > \ TEST: Hosts connectivity: hs-t200-3 -> hs-t200-4 (tenant 200) > [FAIL] > \ > \ TEST: 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 entire test to avoid a failure. > > This is similar to what have been done for srv6_end_dt46_l3vpn_test.sh in > https://patchwork.kernel.org/project/netdevbpf/patch/[email protected]/ > > Signed-off-by: Alessio Faina <[email protected]> > --- > tools/testing/selftests/net/srv6_end_dt4_l3vpn_test.sh | 10 ++++++++++ > tools/testing/selftests/net/srv6_end_dt6_l3vpn_test.sh | 10 ++++++++++ > tools/testing/selftests/net/srv6_end_dx4_netfilter_test.sh | 10 ++++++++++ > tools/testing/selftests/net/srv6_end_dx6_netfilter_test.sh | 10 ++++++++++ > 4 files changed, 40 insertions(+) > > diff --git a/tools/testing/selftests/net/srv6_end_dt4_l3vpn_test.sh > b/tools/testing/selftests/net/srv6_end_dt4_l3vpn_test.sh > index a649dba3cb77..50e8c733cf9f 100755 > --- a/tools/testing/selftests/net/srv6_end_dt4_l3vpn_test.sh > +++ b/tools/testing/selftests/net/srv6_end_dt4_l3vpn_test.sh > @@ -459,6 +459,14 @@ host_vpn_isolation_tests() > done > } > > +test_iproute2_supp_or_ksft_skip() > +{ > + if ! ip route help 2>&1 | grep -qo "End.DT4"; then > + echo "SKIP: Missing SRv6 End.DT4 support in iproute2" > + exit "${ksft_skip}" > + fi > +} > + > if [ "$(id -u)" -ne 0 ];then > echo "SKIP: Need root privileges" > exit $ksft_skip > @@ -469,6 +477,8 @@ if [ ! -x "$(command -v ip)" ]; then > exit $ksft_skip > fi > > +test_iproute2_supp_or_ksft_skip > + > modprobe vrf &>/dev/null > if [ ! -e /proc/sys/net/vrf/strict_mode ]; then > echo "SKIP: vrf sysctl does not exist" > diff --git a/tools/testing/selftests/net/srv6_end_dt6_l3vpn_test.sh > b/tools/testing/selftests/net/srv6_end_dt6_l3vpn_test.sh > index e408406d8489..9ed985559c6b 100755 > --- a/tools/testing/selftests/net/srv6_end_dt6_l3vpn_test.sh > +++ b/tools/testing/selftests/net/srv6_end_dt6_l3vpn_test.sh > @@ -469,6 +469,14 @@ host_vpn_isolation_tests() > done > } > > +test_iproute2_supp_or_ksft_skip() > +{ > + if ! ip route help 2>&1 | grep -qo "End.DT6"; then > + echo "SKIP: Missing SRv6 End.DT6 support in iproute2" > + exit "${ksft_skip}" > + fi > +} > + > if [ "$(id -u)" -ne 0 ];then > echo "SKIP: Need root privileges" > exit $ksft_skip > @@ -479,6 +487,8 @@ if [ ! -x "$(command -v ip)" ]; then > exit $ksft_skip > fi > > +test_iproute2_supp_or_ksft_skip > + > modprobe vrf &>/dev/null > if [ ! -e /proc/sys/net/vrf/strict_mode ]; then > echo "SKIP: vrf sysctl does not exist" > diff --git a/tools/testing/selftests/net/srv6_end_dx4_netfilter_test.sh > b/tools/testing/selftests/net/srv6_end_dx4_netfilter_test.sh > index e23210aa547f..b0bc85db8353 100755 > --- a/tools/testing/selftests/net/srv6_end_dx4_netfilter_test.sh > +++ b/tools/testing/selftests/net/srv6_end_dx4_netfilter_test.sh > @@ -311,6 +311,14 @@ router_netfilter_tests() > check_and_log_hs_connectivity 2 1 100 > } > > +test_iproute2_supp_or_ksft_skip() > +{ > + if ! ip route help 2>&1 | grep -qo "End.DX4"; then > + echo "SKIP: Missing SRv6 End.DX4 support in iproute2" > + exit "${ksft_skip}" > + fi > +} > + > if [ "$(id -u)" -ne 0 ];then > echo "SKIP: Need root privileges" > exit $ksft_skip > @@ -321,6 +329,8 @@ if [ ! -x "$(command -v ip)" ]; then > exit $ksft_skip > fi > > +test_iproute2_supp_or_ksft_skip > + > cleanup &>/dev/null > > setup > diff --git a/tools/testing/selftests/net/srv6_end_dx6_netfilter_test.sh > b/tools/testing/selftests/net/srv6_end_dx6_netfilter_test.sh > index 9e69a2ed5bc3..9bfbc5bbbdeb 100755 > --- a/tools/testing/selftests/net/srv6_end_dx6_netfilter_test.sh > +++ b/tools/testing/selftests/net/srv6_end_dx6_netfilter_test.sh > @@ -316,6 +316,14 @@ router_netfilter_tests() > check_and_log_hs_connectivity 2 1 100 > } > > +test_iproute2_supp_or_ksft_skip() > +{ > + if ! ip route help 2>&1 | grep -qo "End.DX6"; then > + echo "SKIP: Missing SRv6 End.DX6 support in iproute2" > + exit "${ksft_skip}" > + fi > +} > + > if [ "$(id -u)" -ne 0 ];then > echo "SKIP: Need root privileges" > exit $ksft_skip > @@ -326,6 +334,8 @@ if [ ! -x "$(command -v ip)" ]; then > exit $ksft_skip > fi > > +test_iproute2_supp_or_ksft_skip > + > cleanup &>/dev/null > > setup > -- > 2.43.0 >
LGTM Reviewed-by: Hangbin Liu <[email protected]>
