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Message-ID: <20250921150824.149157-4-idosch@nvidia.com> Date: Sun, 21 Sep 2025 18:08:24 +0300 From: Ido Schimmel <idosch@...dia.com> To: <netdev@...r.kernel.org> CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>, <edumazet@...gle.com>, <dsahern@...nel.org>, <horms@...nel.org>, <petrm@...dia.com>, <aroulin@...dia.com>, Ido Schimmel <idosch@...dia.com> Subject: [PATCH net 3/3] selftests: fib_nexthops: Add test cases for FDB status change Add the following test cases for both IPv4 and IPv6: * Can change from FDB nexthop to non-FDB nexthop and vice versa. * Can change FDB nexthop address while in a group. * Cannot change from FDB nexthop to non-FDB nexthop and vice versa while in a group. Output without "nexthop: Forbid FDB status change while nexthop is in a group": # ./fib_nexthops.sh -t "ipv6_fdb_grp_fcnal ipv4_fdb_grp_fcnal" IPv6 fdb groups functional -------------------------- [...] TEST: Replace FDB nexthop to non-FDB nexthop [ OK ] TEST: Replace non-FDB nexthop to FDB nexthop [ OK ] TEST: Replace FDB nexthop address while in a group [ OK ] TEST: Replace FDB nexthop to non-FDB nexthop while in a group [FAIL] TEST: Replace non-FDB nexthop to FDB nexthop while in a group [FAIL] [...] IPv4 fdb groups functional -------------------------- [...] TEST: Replace FDB nexthop to non-FDB nexthop [ OK ] TEST: Replace non-FDB nexthop to FDB nexthop [ OK ] TEST: Replace FDB nexthop address while in a group [ OK ] TEST: Replace FDB nexthop to non-FDB nexthop while in a group [FAIL] TEST: Replace non-FDB nexthop to FDB nexthop while in a group [FAIL] [...] Tests passed: 36 Tests failed: 4 Tests skipped: 0 Output with "nexthop: Forbid FDB status change while nexthop is in a group": # ./fib_nexthops.sh -t "ipv6_fdb_grp_fcnal ipv4_fdb_grp_fcnal" IPv6 fdb groups functional -------------------------- [...] TEST: Replace FDB nexthop to non-FDB nexthop [ OK ] TEST: Replace non-FDB nexthop to FDB nexthop [ OK ] TEST: Replace FDB nexthop address while in a group [ OK ] TEST: Replace FDB nexthop to non-FDB nexthop while in a group [ OK ] TEST: Replace non-FDB nexthop to FDB nexthop while in a group [ OK ] [...] IPv4 fdb groups functional -------------------------- [...] TEST: Replace FDB nexthop to non-FDB nexthop [ OK ] TEST: Replace non-FDB nexthop to FDB nexthop [ OK ] TEST: Replace FDB nexthop address while in a group [ OK ] TEST: Replace FDB nexthop to non-FDB nexthop while in a group [ OK ] TEST: Replace non-FDB nexthop to FDB nexthop while in a group [ OK ] [...] Tests passed: 40 Tests failed: 0 Tests skipped: 0 Signed-off-by: Ido Schimmel <idosch@...dia.com> --- tools/testing/selftests/net/fib_nexthops.sh | 40 +++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh index 2ac394c99d01..2b0a90581e2f 100755 --- a/tools/testing/selftests/net/fib_nexthops.sh +++ b/tools/testing/selftests/net/fib_nexthops.sh @@ -494,6 +494,26 @@ ipv6_fdb_grp_fcnal() run_cmd "$IP nexthop add id 69 encap mpls 101 via 2001:db8:91::8 dev veth1 fdb" log_test $? 2 "Fdb Nexthop with encap" + # Replace FDB nexthop to non-FDB and vice versa + run_cmd "$IP nexthop add id 70 via 2001:db8:91::2 fdb" + run_cmd "$IP nexthop replace id 70 via 2001:db8:91::2 dev veth1" + log_test $? 0 "Replace FDB nexthop to non-FDB nexthop" + run_cmd "$IP nexthop replace id 70 via 2001:db8:91::2 fdb" + log_test $? 0 "Replace non-FDB nexthop to FDB nexthop" + + # Replace FDB nexthop address while in a group + run_cmd "$IP nexthop add id 71 group 70 fdb" + run_cmd "$IP nexthop replace id 70 via 2001:db8:91::3 fdb" + log_test $? 0 "Replace FDB nexthop address while in a group" + + # Cannot replace FDB nexthop to non-FDB and vice versa while in a group + run_cmd "$IP nexthop replace id 70 via 2001:db8:91::2 dev veth1" + log_test $? 2 "Replace FDB nexthop to non-FDB nexthop while in a group" + run_cmd "$IP nexthop add id 72 via 2001:db8:91::2 dev veth1" + run_cmd "$IP nexthop add id 73 group 72" + run_cmd "$IP nexthop replace id 72 via 2001:db8:91::2 fdb" + log_test $? 2 "Replace non-FDB nexthop to FDB nexthop while in a group" + run_cmd "$IP link add name vx10 type vxlan id 1010 local 2001:db8:91::9 remote 2001:db8:91::10 dstport 4789 nolearning noudpcsum tos inherit ttl 100" run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self" log_test $? 0 "Fdb mac add with nexthop group" @@ -574,6 +594,26 @@ ipv4_fdb_grp_fcnal() run_cmd "$IP nexthop add id 17 encap mpls 101 via 172.16.1.2 dev veth1 fdb" log_test $? 2 "Fdb Nexthop with encap" + # Replace FDB nexthop to non-FDB and vice versa + run_cmd "$IP nexthop add id 18 via 172.16.1.2 fdb" + run_cmd "$IP nexthop replace id 18 via 172.16.1.2 dev veth1" + log_test $? 0 "Replace FDB nexthop to non-FDB nexthop" + run_cmd "$IP nexthop replace id 18 via 172.16.1.2 fdb" + log_test $? 0 "Replace non-FDB nexthop to FDB nexthop" + + # Replace FDB nexthop address while in a group + run_cmd "$IP nexthop add id 19 group 18 fdb" + run_cmd "$IP nexthop replace id 18 via 172.16.1.3 fdb" + log_test $? 0 "Replace FDB nexthop address while in a group" + + # Cannot replace FDB nexthop to non-FDB and vice versa while in a group + run_cmd "$IP nexthop replace id 18 via 172.16.1.2 dev veth1" + log_test $? 2 "Replace FDB nexthop to non-FDB nexthop while in a group" + run_cmd "$IP nexthop add id 20 via 172.16.1.2 dev veth1" + run_cmd "$IP nexthop add id 21 group 20" + run_cmd "$IP nexthop replace id 20 via 172.16.1.2 fdb" + log_test $? 2 "Replace non-FDB nexthop to FDB nexthop while in a group" + run_cmd "$IP link add name vx10 type vxlan id 1010 local 10.0.0.1 remote 10.0.0.2 dstport 4789 nolearning noudpcsum tos inherit ttl 100" run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self" log_test $? 0 "Fdb mac add with nexthop group" -- 2.51.0
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