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Message-Id: <20180226085948.19368-6-idosch@mellanox.com>
Date: Mon, 26 Feb 2018 10:59:39 +0200
From: Ido Schimmel <idosch@...lanox.com>
To: netdev@...r.kernel.org, linux-kselftest@...r.kernel.org
Cc: davem@...emloft.net, shuah@...nel.org, jiri@...lanox.com,
dsahern@...il.com, roopa@...ulusnetworks.com,
nikolay@...ulusnetworks.com, f.fainelli@...il.com, andrew@...n.ch,
vivien.didelot@...oirfairelinux.com, mlxsw@...lanox.com,
Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 05/14] selftests: forwarding: Create test topology for multipath routing
Create a topology with two hosts, each directly connected to a different
router. Both routers are connected using two links, enabling multipath
routing.
Test IPv4 and IPv6 ping using default MTU and large MTU.
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
.../selftests/net/forwarding/router_multipath.sh | 209 +++++++++++++++++++++
1 file changed, 209 insertions(+)
create mode 100755 tools/testing/selftests/net/forwarding/router_multipath.sh
diff --git a/tools/testing/selftests/net/forwarding/router_multipath.sh b/tools/testing/selftests/net/forwarding/router_multipath.sh
new file mode 100755
index 000000000000..86d189b42e9b
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/router_multipath.sh
@@ -0,0 +1,209 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+NUM_NETIFS=8
+source lib.sh
+
+h1_create()
+{
+ vrf_create "vrf-h1"
+ ip link set dev $h1 master vrf-h1
+
+ ip link set dev vrf-h1 up
+ ip link set dev $h1 up
+
+ ip address add 192.0.2.2/24 dev $h1
+ ip address add 2001:db8:1::2/64 dev $h1
+
+ ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1
+ ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1
+}
+
+h1_destroy()
+{
+ ip route del 2001:db8:2::/64 vrf vrf-h1
+ ip route del 198.51.100.0/24 vrf vrf-h1
+
+ ip address del 2001:db8:1::2/64 dev $h1
+ ip address del 192.0.2.2/24 dev $h1
+
+ ip link set dev $h1 down
+ vrf_destroy "vrf-h1"
+}
+
+h2_create()
+{
+ vrf_create "vrf-h2"
+ ip link set dev $h2 master vrf-h2
+
+ ip link set dev vrf-h2 up
+ ip link set dev $h2 up
+
+ ip address add 198.51.100.2/24 dev $h2
+ ip address add 2001:db8:2::2/64 dev $h2
+
+ ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1
+ ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1
+}
+
+h2_destroy()
+{
+ ip route del 2001:db8:1::/64 vrf vrf-h2
+ ip route del 192.0.2.0/24 vrf vrf-h2
+
+ ip address del 2001:db8:2::2/64 dev $h2
+ ip address del 198.51.100.2/24 dev $h2
+
+ ip link set dev $h2 down
+ vrf_destroy "vrf-h2"
+}
+
+router1_create()
+{
+ vrf_create "vrf-r1"
+ ip link set dev $rp11 master vrf-r1
+ ip link set dev $rp12 master vrf-r1
+ ip link set dev $rp13 master vrf-r1
+
+ ip link set dev vrf-r1 up
+ ip link set dev $rp11 up
+ ip link set dev $rp12 up
+ ip link set dev $rp13 up
+
+ ip address add 192.0.2.1/24 dev $rp11
+ ip address add 2001:db8:1::1/64 dev $rp11
+
+ ip address add 169.254.2.12/24 dev $rp12
+ ip address add fe80:2::12/64 dev $rp12
+
+ ip address add 169.254.3.13/24 dev $rp13
+ ip address add fe80:3::13/64 dev $rp13
+
+ ip route add 198.51.100.0/24 vrf vrf-r1 \
+ nexthop via 169.254.2.22 dev $rp12 \
+ nexthop via 169.254.3.23 dev $rp13
+ ip route add 2001:db8:2::/64 vrf vrf-r1 \
+ nexthop via fe80:2::22 dev $rp12 \
+ nexthop via fe80:3::23 dev $rp13
+}
+
+router1_destroy()
+{
+ ip route del 2001:db8:2::/64 vrf vrf-r1
+ ip route del 198.51.100.0/24 vrf vrf-r1
+
+ ip address del fe80:3::13/64 dev $rp13
+ ip address del 169.254.3.13/24 dev $rp13
+
+ ip address del fe80:2::12/64 dev $rp12
+ ip address del 169.254.2.12/24 dev $rp12
+
+ ip address del 2001:db8:1::1/64 dev $rp11
+ ip address del 192.0.2.1/24 dev $rp11
+
+ ip link set dev $rp13 down
+ ip link set dev $rp12 down
+ ip link set dev $rp11 down
+
+ vrf_destroy "vrf-r1"
+}
+
+router2_create()
+{
+ vrf_create "vrf-r2"
+ ip link set dev $rp21 master vrf-r2
+ ip link set dev $rp22 master vrf-r2
+ ip link set dev $rp23 master vrf-r2
+
+ ip link set dev vrf-r2 up
+ ip link set dev $rp21 up
+ ip link set dev $rp22 up
+ ip link set dev $rp23 up
+
+ ip address add 198.51.100.1/24 dev $rp21
+ ip address add 2001:db8:2::1/64 dev $rp21
+
+ ip address add 169.254.2.22/24 dev $rp22
+ ip address add fe80:2::22/64 dev $rp22
+
+ ip address add 169.254.3.23/24 dev $rp23
+ ip address add fe80:3::23/64 dev $rp23
+
+ ip route add 192.0.2.0/24 vrf vrf-r2 \
+ nexthop via 169.254.2.12 dev $rp22 \
+ nexthop via 169.254.3.13 dev $rp23
+ ip route add 2001:db8:1::/64 vrf vrf-r2 \
+ nexthop via fe80:2::12 dev $rp22 \
+ nexthop via fe80:3::13 dev $rp23
+}
+
+router2_destroy()
+{
+ ip route del 2001:db8:1::/64 vrf vrf-r2
+ ip route del 192.0.2.0/24 vrf vrf-r2
+
+ ip address del fe80:3::23/64 dev $rp23
+ ip address del 169.254.3.23/24 dev $rp23
+
+ ip address del fe80:2::22/64 dev $rp22
+ ip address del 169.254.2.22/24 dev $rp22
+
+ ip address del 2001:db8:2::1/64 dev $rp21
+ ip address del 198.51.100.1/24 dev $rp21
+
+ ip link set dev $rp23 down
+ ip link set dev $rp22 down
+ ip link set dev $rp21 down
+
+ vrf_destroy "vrf-r2"
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ rp11=${NETIFS[p2]}
+
+ rp12=${NETIFS[p3]}
+ rp22=${NETIFS[p4]}
+
+ rp13=${NETIFS[p5]}
+ rp23=${NETIFS[p6]}
+
+ rp21=${NETIFS[p7]}
+ h2=${NETIFS[p8]}
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+
+ router1_create
+ router2_create
+
+ forwarding_enable
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ forwarding_restore
+
+ router2_destroy
+ router1_destroy
+
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+ping_test $h1 198.51.100.2
+ping6_test $h1 2001:db8:2::2
+
+exit $EXIT_STATUS
--
2.14.3
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