Commit 9bf8345f authored by Ido Schimmel's avatar Ido Schimmel Committed by Jakub Kicinski
Browse files

selftests: fib-onlink: Add a test case for IPv4 multicast gateway 



A multicast gateway address should be rejected when "onlink" is
specified, but it is only tested as part of the IPv6 tests. Add an
equivalent IPv4 test.

 # ./fib-onlink-tests.sh -v
 [...]
 COMMAND: ip ro add table 254 169.254.101.12/32 via 233.252.0.1 dev veth1 onlink
 Error: Nexthop has invalid gateway.

 TEST: Invalid gw - multicast address                      [ OK ]
 [...]
 COMMAND: ip ro add table 1101 169.254.102.12/32 via 233.252.0.1 dev veth5 onlink
 Error: Nexthop has invalid gateway.

 TEST: Invalid gw - multicast address, VRF                 [ OK ]
 [...]
 Tests passed:  37
 Tests failed:   0

Reviewed-by: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarDavid Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20260111120813.159799-4-idosch@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 0a3419f4

tools/testing/selftests/net/fib-onlink-tests.sh

+6 −1
Original line number Diff line number Diff line
@@ -72,7 +72,8 @@ declare -A TEST_NET4IN6IN6 
TEST_NET4IN6[1]=10.1.1.254

TEST_NET4IN6[2]=10.2.1.254



# mcast address

# mcast addresses

MCAST4=233.252.0.1

MCAST6=ff02::1



VRF=lisa
@@ -310,9 +311,13 @@ invalid_onlink_ipv4() 
{

	run_ip 254 ${TEST_NET4[1]}.11 ${V4ADDRS[p1]} ${NETIFS[p1]} 2 \

		"Invalid gw - local unicast address"

	run_ip 254 ${TEST_NET4[1]}.12 ${MCAST4} ${NETIFS[p1]} 2 \

		"Invalid gw - multicast address"



	run_ip ${VRF_TABLE} ${TEST_NET4[2]}.11 ${V4ADDRS[p5]} ${NETIFS[p5]} 2 \

		"Invalid gw - local unicast address, VRF"

	run_ip ${VRF_TABLE} ${TEST_NET4[2]}.12 ${MCAST4} ${NETIFS[p5]} 2 \

		"Invalid gw - multicast address, VRF"



	run_ip 254 ${TEST_NET4[1]}.101 ${V4ADDRS[p1]} "" 2 "No nexthop device given"

}