1 files changed, 115 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/fib_nexthop_nongw.sh b/tools/testing/selftests/net/fib_nexthop_nongw.sh
new file mode 100755
index 000000000000..1ccf56f10171
--- /dev/null
+++ b/tools/testing/selftests/net/fib_nexthop_nongw.sh
@@ -0,0 +1,115 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# ns: h1               | ns: h2
+#   192.168.0.1/24     |
+#            eth0      |
+#                      |       192.168.1.1/32
+#            veth0 <---|---> veth1
+# Validate source address selection for route without gateway
+
+source lib.sh
+PAUSE_ON_FAIL=no
+VERBOSE=0
+ret=0
+
+################################################################################
+# helpers
+
+log_test()
+{
+	local rc=$1
+	local expected=$2
+	local msg="$3"
+
+	if [ ${rc} -eq ${expected} ]; then
+		printf "TEST: %-60s  [ OK ]\n" "${msg}"
+		nsuccess=$((nsuccess+1))
+	else
+		ret=1
+		nfail=$((nfail+1))
+		printf "TEST: %-60s  [FAIL]\n" "${msg}"
+		if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+			echo
+			echo "hit enter to continue, 'q' to quit"
+			read a
+			[ "$a" = "q" ] && exit 1
+		fi
+	fi
+
+	[ "$VERBOSE" = "1" ] && echo
+}
+
+run_cmd()
+{
+	local cmd="$*"
+	local out
+	local rc
+
+	if [ "$VERBOSE" = "1" ]; then
+		echo "COMMAND: $cmd"
+	fi
+
+	out=$(eval $cmd 2>&1)
+	rc=$?
+	if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+		echo "$out"
+	fi
+
+	[ "$VERBOSE" = "1" ] && echo
+
+	return $rc
+}
+
+################################################################################
+# config
+setup()
+{
+	setup_ns h1 h2
+
+	# Add a fake eth0 to support an ip address
+	ip -n $h1 link add name eth0 type dummy
+	ip -n $h1 link set eth0 up
+	ip -n $h1 address add 192.168.0.1/24 dev eth0
+
+	# Configure veths (same @mac, arp off)
+	ip -n $h1 link add name veth0 type veth peer name veth1 netns $h2
+	ip -n $h1 link set veth0 up
+
+	ip -n $h2 link set veth1 up
+
+	# Configure @IP in the peer netns
+	ip -n $h2 address add 192.168.1.1/32 dev veth1
+	ip -n $h2 route add default dev veth1
+
+	# Add a nexthop without @gw and use it in a route
+	ip -n $h1 nexthop add id 1 dev veth0
+	ip -n $h1 route add 192.168.1.1 nhid 1
+}
+
+cleanup()
+{
+	cleanup_ns $h1 $h2
+}
+
+trap cleanup EXIT
+
+################################################################################
+# main
+
+while getopts :pv o
+do
+	case $o in
+		p) PAUSE_ON_FAIL=yes;;
+		v) VERBOSE=1;;
+	esac
+done
+
+setup
+
+run_cmd ip -netns $h1 route get 192.168.1.1
+log_test $? 0 "nexthop: get route with nexthop without gw"
+run_cmd ip netns exec $h1 ping -c1 192.168.1.1
+log_test $? 0 "nexthop: ping through nexthop without gw"
+
+exit $ret