selftests: net: add fdb nexthop tests

This commit adds ipv4 and ipv6 fdb nexthop api tests to fib_nexthops.sh.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index 50d822f..51f8e9a 100755 (executable)
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -19,8 +19,8 @@ ret=0
 ksft_skip=4
 
 # all tests in this script. Can be overridden with -t option
-IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_compat_mode"
-IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_compat_mode"
+IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_compat_mode ipv4_fdb_grp_fcnal"
+IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_compat_mode ipv6_fdb_grp_fcnal"
 
 ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
 TESTS="${ALL_TESTS}"
@@ -146,6 +146,7 @@ setup()
        create_ns remote
 
        IP="ip -netns me"
+       BRIDGE="bridge -netns me"
        set -e
        $IP li add veth1 type veth peer name veth2
        $IP li set veth1 up
@@ -280,6 +281,161 @@ stop_ip_monitor()
        return $rc
 }
 
+check_nexthop_fdb_support()
+{
+       $IP nexthop help 2>&1 | grep -q fdb
+       if [ $? -ne 0 ]; then
+               echo "SKIP: iproute2 too old, missing fdb nexthop support"
+               return $ksft_skip
+       fi
+}
+
+ipv6_fdb_grp_fcnal()
+{
+       local rc
+
+       echo
+       echo "IPv6 fdb groups functional"
+       echo "--------------------------"
+
+       check_nexthop_fdb_support
+       if [ $? -eq $ksft_skip ]; then
+               return $ksft_skip
+       fi
+
+       # create group with multiple nexthops
+       run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 fdb"
+       run_cmd "$IP nexthop add id 62 via 2001:db8:91::3 fdb"
+       run_cmd "$IP nexthop add id 102 group 61/62 fdb"
+       check_nexthop "id 102" "id 102 group 61/62 fdb"
+       log_test $? 0 "Fdb Nexthop group with multiple nexthops"
+
+       ## get nexthop group
+       run_cmd "$IP nexthop get id 102"
+       check_nexthop "id 102" "id 102 group 61/62 fdb"
+       log_test $? 0 "Get Fdb nexthop group by id"
+
+       # fdb nexthop group can only contain fdb nexthops
+       run_cmd "$IP nexthop add id 63 via 2001:db8:91::4"
+       run_cmd "$IP nexthop add id 64 via 2001:db8:91::5"
+       run_cmd "$IP nexthop add id 103 group 63/64 fdb"
+       log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
+
+       # Non fdb nexthop group can not contain fdb nexthops
+       run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 fdb"
+       run_cmd "$IP nexthop add id 66 via 2001:db8:91::6 fdb"
+       run_cmd "$IP nexthop add id 104 group 65/66"
+       log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
+
+       # fdb nexthop cannot have blackhole
+       run_cmd "$IP nexthop add id 67 blackhole fdb"
+       log_test $? 2 "Fdb Nexthop with blackhole"
+
+       # fdb nexthop with oif
+       run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 dev veth1 fdb"
+       log_test $? 2 "Fdb Nexthop with oif"
+
+       # fdb nexthop with onlink
+       run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 onlink fdb"
+       log_test $? 2 "Fdb Nexthop with onlink"
+
+       # fdb nexthop with encap
+       run_cmd "$IP nexthop add id 69 encap mpls 101 via 2001:db8:91::8 dev veth1 fdb"
+       log_test $? 2 "Fdb Nexthop with encap"
+
+       run_cmd "$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 $? 0 "Fdb mac add with nexthop group"
+
+       ## fdb nexthops can only reference nexthop groups and not nexthops
+       run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 61 self"
+       log_test $? 255 "Fdb mac add with nexthop"
+
+       run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 66"
+       log_test $? 2 "Route add with fdb nexthop"
+
+       run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 103"
+       log_test $? 2 "Route add with fdb nexthop group"
+
+       run_cmd "$IP nexthop del id 102"
+       log_test $? 0 "Fdb nexthop delete"
+
+       $IP link del dev vx10
+}
+
+ipv4_fdb_grp_fcnal()
+{
+       local rc
+
+       echo
+       echo "IPv4 fdb groups functional"
+       echo "--------------------------"
+
+       check_nexthop_fdb_support
+       if [ $? -eq $ksft_skip ]; then
+               return $ksft_skip
+       fi
+
+       # create group with multiple nexthops
+       run_cmd "$IP nexthop add id 12 via 172.16.1.2 fdb"
+       run_cmd "$IP nexthop add id 13 via 172.16.1.3 fdb"
+       run_cmd "$IP nexthop add id 102 group 12/13 fdb"
+       check_nexthop "id 102" "id 102 group 12/13 fdb"
+       log_test $? 0 "Fdb Nexthop group with multiple nexthops"
+
+       # get nexthop group
+       run_cmd "$IP nexthop get id 102"
+       check_nexthop "id 102" "id 102 group 12/13 fdb"
+       log_test $? 0 "Get Fdb nexthop group by id"
+
+       # fdb nexthop group can only contain fdb nexthops
+       run_cmd "$IP nexthop add id 14 via 172.16.1.2"
+       run_cmd "$IP nexthop add id 15 via 172.16.1.3"
+       run_cmd "$IP nexthop add id 103 group 14/15 fdb"
+       log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
+
+       # Non fdb nexthop group can not contain fdb nexthops
+       run_cmd "$IP nexthop add id 16 via 172.16.1.2 fdb"
+       run_cmd "$IP nexthop add id 17 via 172.16.1.3 fdb"
+       run_cmd "$IP nexthop add id 104 group 14/15"
+       log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
+
+       # fdb nexthop cannot have blackhole
+       run_cmd "$IP nexthop add id 18 blackhole fdb"
+       log_test $? 2 "Fdb Nexthop with blackhole"
+
+       # fdb nexthop with oif
+       run_cmd "$IP nexthop add id 16 via 172.16.1.2 dev veth1 fdb"
+       log_test $? 2 "Fdb Nexthop with oif"
+
+       # fdb nexthop with onlink
+       run_cmd "$IP nexthop add id 16 via 172.16.1.2 onlink fdb"
+       log_test $? 2 "Fdb Nexthop with onlink"
+
+       # fdb nexthop with encap
+       run_cmd "$IP nexthop add id 17 encap mpls 101 via 172.16.1.2 dev veth1 fdb"
+       log_test $? 2 "Fdb Nexthop with encap"
+
+       run_cmd "$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 $? 0 "Fdb mac add with nexthop group"
+
+       # fdb nexthops can only reference nexthop groups and not nexthops
+       run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 12 self"
+       log_test $? 255 "Fdb mac add with nexthop"
+
+       run_cmd "$IP ro add 172.16.0.0/22 nhid 15"
+       log_test $? 2 "Route add with fdb nexthop"
+
+       run_cmd "$IP ro add 172.16.0.0/22 nhid 103"
+       log_test $? 2 "Route add with fdb nexthop group"
+
+       run_cmd "$IP nexthop del id 102"
+       log_test $? 0 "Fdb nexthop delete"
+
+       $IP link del dev vx10
+}
+
 ################################################################################
 # basic operations (add, delete, replace) on nexthops and nexthop groups
 #