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Commit 5b1e7f9e authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: forwarding: Test routed bridge interface 



Add test for cases where bridge itself acts as a router interface, with
front panel port attached to the bridge in question.

In the first test (router_bridge.sh), VLAN memberships are not
configured in any way, and everything uses default PVID of 1. Thus
traffic in $h1 and $h2 is untagged. This test ensures that the previous
patches didn't break a currently working scenario.

In the second test (router_bridge_vlan.sh), a VLAN 555 pvid untagged is
added to the bridge CPU port, with that VLAN leaving the bridge tagged
through its sole member port. The traffic is therefore expected to come
out tagged at $h1. This tests the fix introduced in the previous
patches.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 567ad1a2

tools/testing/selftests/net/forwarding/router_bridge.sh

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#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



ALL_TESTS="

	ping_ipv4

	ping_ipv6

"

NUM_NETIFS=4

source lib.sh



h1_create()

{

	simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64

	ip -4 route add 192.0.2.128/28 vrf v$h1 nexthop via 192.0.2.2

	ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2

}



h1_destroy()

{

	ip -6 route del 2001:db8:2::/64 vrf v$h1

	ip -4 route del 192.0.2.128/28 vrf v$h1

	simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64

}



h2_create()

{

	simple_if_init $h2 192.0.2.130/28 2001:db8:2::2/64

	ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.129

	ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1

}



h2_destroy()

{

	ip -6 route del 2001:db8:1::/64 vrf v$h2

	ip -4 route del 192.0.2.0/28 vrf v$h2

	simple_if_fini $h2 192.0.2.130/28 2001:db8:2::2/64

}



router_create()

{

	ip link add name br1 type bridge vlan_filtering 1

	ip link set dev br1 up



	ip link set dev $swp1 master br1

	ip link set dev $swp1 up

	__addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64



	ip link set dev $swp2 up

	__addr_add_del $swp2 add 192.0.2.129/28 2001:db8:2::1/64

}



router_destroy()

{

	__addr_add_del $swp2 del 192.0.2.129/28 2001:db8:2::1/64

	ip link set dev $swp2 down



	__addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64

	ip link set dev $swp1 down

	ip link set dev $swp1 nomaster



	ip link del dev br1

}



setup_prepare()

{

	h1=${NETIFS[p1]}

	swp1=${NETIFS[p2]}



	swp2=${NETIFS[p3]}

	h2=${NETIFS[p4]}



	vrf_prepare



	h1_create

	h2_create



	router_create



	forwarding_enable

}



cleanup()

{

	pre_cleanup



	forwarding_restore



	router_destroy



	h2_destroy

	h1_destroy



	vrf_cleanup

}



ping_ipv4()

{

	ping_test $h1 192.0.2.130

}



ping_ipv6()

{

	ping6_test $h1 2001:db8:2::2

}



trap cleanup EXIT



setup_prepare

setup_wait



tests_run



exit $EXIT_STATUS

tools/testing/selftests/net/forwarding/router_bridge_vlan.sh

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Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



ALL_TESTS="

	ping_ipv4

	ping_ipv6

	vlan

"

NUM_NETIFS=4

source lib.sh



h1_create()

{

	simple_if_init $h1

	vlan_create $h1 555 v$h1 192.0.2.1/28 2001:db8:1::1/64

	ip -4 route add 192.0.2.128/28 vrf v$h1 nexthop via 192.0.2.2

	ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2

}



h1_destroy()

{

	ip -6 route del 2001:db8:2::/64 vrf v$h1

	ip -4 route del 192.0.2.128/28 vrf v$h1

	vlan_destroy $h1 555

	simple_if_fini $h1

}



h2_create()

{

	simple_if_init $h2 192.0.2.130/28 2001:db8:2::2/64

	ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.129

	ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1

}



h2_destroy()

{

	ip -6 route del 2001:db8:1::/64 vrf v$h2

	ip -4 route del 192.0.2.0/28 vrf v$h2

	simple_if_fini $h2 192.0.2.130/28

}



router_create()

{

	ip link add name br1 type bridge vlan_filtering 1

	ip link set dev br1 up



	ip link set dev $swp1 master br1

	ip link set dev $swp1 up



	bridge vlan add dev br1 vid 555 self pvid untagged

	bridge vlan add dev $swp1 vid 555



	__addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64



	ip link set dev $swp2 up

	__addr_add_del $swp2 add 192.0.2.129/28 2001:db8:2::1/64

}



router_destroy()

{

	__addr_add_del $swp2 del 192.0.2.129/28 2001:db8:2::1/64

	ip link set dev $swp2 down



	__addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64

	ip link set dev $swp1 down

	ip link set dev $swp1 nomaster



	ip link del dev br1

}



setup_prepare()

{

	h1=${NETIFS[p1]}

	swp1=${NETIFS[p2]}



	swp2=${NETIFS[p3]}

	h2=${NETIFS[p4]}



	vrf_prepare



	h1_create

	h2_create



	router_create



	forwarding_enable

}



cleanup()

{

	pre_cleanup



	forwarding_restore



	router_destroy



	h2_destroy

	h1_destroy



	vrf_cleanup

}



vlan()

{

	RET=0



	bridge vlan add dev br1 vid 333 self

	check_err $? "Can't add a non-PVID VLAN"

	bridge vlan del dev br1 vid 333 self

	check_err $? "Can't remove a non-PVID VLAN"



	log_test "vlan"

}



ping_ipv4()

{

	ping_test $h1 192.0.2.130

}



ping_ipv6()

{

	ping6_test $h1 2001:db8:2::2

}



trap cleanup EXIT



setup_prepare

setup_wait



tests_run



exit $EXIT_STATUS