Commit 24e84656 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: router_bridge_1d_lag: Add a new selftest 



Add a selftest to verify that routing through several bridges works when
LAG VLANs are used instead of physical ports, and that routing through LAG
VLANs themselves works as physical ports are de/enslaved.

Signed-off-by: default avatarPetr Machata <petrm@nvidia.com>
Reviewed-by: default avatarDanielle Ratson <danieller@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3f0c4e70

tools/testing/selftests/net/forwarding/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -65,6 +65,7 @@ TEST_PROGS = bridge_igmp.sh \ 
	q_in_vni.sh \

	router_bridge.sh \

	router_bridge_1d.sh \

	router_bridge_1d_lag.sh \

	router_bridge_lag.sh \

	router_bridge_vlan.sh \

	router_bridge_vlan_upper.sh \

tools/testing/selftests/net/forwarding/router_bridge_1d_lag.sh

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+408 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



# +--------------------------------------------+

# | H1 (vrf)                                   |

# |                                            |

# |    + LAG1.100          + LAG1.200          |

# |    | 192.0.2.1/28      | 192.0.2.17/28     |

# |    | 2001:db8:1::1/64  | 2001:db8:3:1/64   |

# |    \___________ _______/                   |

# |                v                           |

# |                + LAG1 (team)               |

# |                |                           |

# |            ____^____                       |

# |           /         \                      |

# |          + $h1       + $h4                 |

# |          |           |                     |

# +----------|-----------|---------------------+

#            |           |

# +----------|-----------|---------------------+

# | SW       |           |                     |

# |          + $swp1     + $swp4               |

# |           \____ ____/                      |

# |                v                           |

# |    LAG2 (team) +                           |

# |                |                           |

# |         _______^______________             |

# |        /                      \            |

# | +------|------------+ +-------|----------+ |

# | |      + LAG2.100   | |       + LAG2.200 | |

# | |                   | |                  | |

# | |  BR1 (802.1d)     | | BR2 (802.1d)     | |

# | |  192.0.2.2/28     | | 192.0.2.18/28    | |

# | |  2001:db8:1::2/64 | | 2001:db8:3:2/64  | |

# | |                   | |                  | |

# | +-------------------+ +------------------+ |

# |                                            |

# |  + LAG3.100             + LAG3.200         |

# |  | 192.0.2.129/28       | 192.0.2.145/28   |

# |  | 2001:db8:2::1/64     | 2001:db8:4::1/64 |

# |  |                      |                  |

# |  \_________ ___________/                   |

# |            v                               |

# |            + LAG3 (team)                   |

# |        ____|____                           |

# |       /         \                          |

# |       + $swp2   + $swp3                    |

# |       |         |                          |

# +-------|---------|--------------------------+

#         |         |

# +-------|---------|--------------------------+

# |       |         |                          |

# |       + $h2     + $h3                      |

# |       \____ ___/                           |

# |            |                               |

# |            + LAG4 (team)                   |

# |            |                               |

# |  __________^__________                     |

# | /                     \                    |

# | |                     |                    |

# | + LAG4.100            + LAG4.200           |

# |   192.0.2.130/28        192.0.2.146/28     |

# |   2001:db8:2::2/64      2001:db8:4::2/64   |

# |                                            |

# | H2 (vrf)                                   |

# +--------------------------------------------+



ALL_TESTS="

	ping_ipv4

	ping_ipv6



	$(: exercise remastering of LAG2 slaves )

	config_deslave_swp4

	config_wait

	ping_ipv4

	ping_ipv6

	config_enslave_swp4

	config_deslave_swp1

	config_wait

	ping_ipv4

	ping_ipv6

	config_deslave_swp4

	config_enslave_swp1

	config_enslave_swp4

	config_wait

	ping_ipv4

	ping_ipv6



	$(: exercise remastering of LAG2 itself )

	config_remaster_lag2

	config_wait

	ping_ipv4

	ping_ipv6



	$(: exercise remastering of LAG3 slaves )

	config_deslave_swp2

	config_wait

	ping_ipv4

	ping_ipv6

	config_enslave_swp2

	config_deslave_swp3

	config_wait

	ping_ipv4

	ping_ipv6

	config_deslave_swp2

	config_enslave_swp3

	config_enslave_swp2

	config_wait

	ping_ipv4

	ping_ipv6

"

NUM_NETIFS=8

source lib.sh



h1_create()

{

	team_create lag1 lacp

	ip link set dev lag1 addrgenmode none

	ip link set dev lag1 address $(mac_get $h1)

	ip link set dev $h1 master lag1

	ip link set dev $h4 master lag1

	simple_if_init lag1

	ip link set dev $h1 up

	ip link set dev $h4 up



	vlan_create lag1 100 vlag1 192.0.2.1/28 2001:db8:1::1/64

	vlan_create lag1 200 vlag1 192.0.2.17/28 2001:db8:3::1/64



	ip -4 route add 192.0.2.128/28 vrf vlag1 nexthop via 192.0.2.2

	ip -6 route add 2001:db8:2::/64 vrf vlag1 nexthop via 2001:db8:1::2



	ip -4 route add 192.0.2.144/28 vrf vlag1 nexthop via 192.0.2.18

	ip -6 route add 2001:db8:4::/64 vrf vlag1 nexthop via 2001:db8:3::2

}



h1_destroy()

{

	ip -6 route del 2001:db8:4::/64 vrf vlag1

	ip -4 route del 192.0.2.144/28 vrf vlag1



	ip -6 route del 2001:db8:2::/64 vrf vlag1

	ip -4 route del 192.0.2.128/28 vrf vlag1



	vlan_destroy lag1 200

	vlan_destroy lag1 100



	ip link set dev $h4 down

	ip link set dev $h1 down

	simple_if_fini lag1

	ip link set dev $h4 nomaster

	ip link set dev $h1 nomaster

	team_destroy lag1

}



h2_create()

{

	team_create lag4 lacp

	ip link set dev lag4 addrgenmode none

	ip link set dev lag4 address $(mac_get $h2)

	ip link set dev $h2 master lag4

	ip link set dev $h3 master lag4

	simple_if_init lag4

	ip link set dev $h2 up

	ip link set dev $h3 up



	vlan_create lag4 100 vlag4 192.0.2.130/28 2001:db8:2::2/64

	vlan_create lag4 200 vlag4 192.0.2.146/28 2001:db8:4::2/64



	ip -4 route add 192.0.2.0/28 vrf vlag4 nexthop via 192.0.2.129

	ip -6 route add 2001:db8:1::/64 vrf vlag4 nexthop via 2001:db8:2::1



	ip -4 route add 192.0.2.16/28 vrf vlag4 nexthop via 192.0.2.145

	ip -6 route add 2001:db8:3::/64 vrf vlag4 nexthop via 2001:db8:4::1

}



h2_destroy()

{

	ip -6 route del 2001:db8:3::/64 vrf vlag4

	ip -4 route del 192.0.2.16/28 vrf vlag4



	ip -6 route del 2001:db8:1::/64 vrf vlag4

	ip -4 route del 192.0.2.0/28 vrf vlag4



	vlan_destroy lag4 200

	vlan_destroy lag4 100



	ip link set dev $h3 down

	ip link set dev $h2 down

	simple_if_fini lag4

	ip link set dev $h3 nomaster

	ip link set dev $h2 nomaster

	team_destroy lag4

}



router_create()

{

	team_create lag2 lacp

	ip link set dev lag2 addrgenmode none

	ip link set dev lag2 address $(mac_get $swp1)

	ip link set dev $swp1 master lag2

	ip link set dev $swp4 master lag2



	vlan_create lag2 100

	vlan_create lag2 200



	ip link add name br1 type bridge vlan_filtering 0

	ip link set dev br1 address $(mac_get lag2.100)

	ip link set dev lag2.100 master br1



	ip link add name br2 type bridge vlan_filtering 0

	ip link set dev br2 address $(mac_get lag2.200)

	ip link set dev lag2.200 master br2



	ip link set dev $swp1 up

	ip link set dev $swp4 up

	ip link set dev br1 up

	ip link set dev br2 up



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

	__addr_add_del br2 add 192.0.2.18/28 2001:db8:3::2/64



	team_create lag3 lacp

	ip link set dev lag3 addrgenmode none

	ip link set dev lag3 address $(mac_get $swp2)

	ip link set dev $swp2 master lag3

	ip link set dev $swp3 master lag3

	ip link set dev $swp2 up

	ip link set dev $swp3 up



	vlan_create lag3 100

	vlan_create lag3 200



	__addr_add_del lag3.100 add 192.0.2.129/28 2001:db8:2::1/64

	__addr_add_del lag3.200 add 192.0.2.145/28 2001:db8:4::1/64

}



router_destroy()

{

	__addr_add_del lag3.200 del 192.0.2.145/28 2001:db8:4::1/64

	__addr_add_del lag3.100 del 192.0.2.129/28 2001:db8:2::1/64



	vlan_destroy lag3 200

	vlan_destroy lag3 100



	ip link set dev $swp3 down

	ip link set dev $swp2 down

	ip link set dev $swp3 nomaster

	ip link set dev $swp2 nomaster

	team_destroy lag3



	__addr_add_del br2 del 192.0.2.18/28 2001:db8:3::2/64

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



	ip link set dev br2 down

	ip link set dev br1 down

	ip link set dev $swp4 down

	ip link set dev $swp1 down



	ip link set dev lag2.200 nomaster

	ip link del dev br2



	ip link set dev lag2.100 nomaster

	ip link del dev br1



	vlan_destroy lag2 200

	vlan_destroy lag2 100



	ip link set dev $swp4 nomaster

	ip link set dev $swp1 nomaster

	team_destroy lag2

}



config_remaster_lag2()

{

	log_info "Remaster bridge slaves"



	ip link set dev lag2.200 nomaster

	ip link set dev lag2.100 nomaster

	sleep 2

	ip link set dev lag2.100 master br1

	ip link set dev lag2.200 master br2

}



config_deslave()

{

	local netdev=$1; shift



	log_info "Deslave $netdev"

	ip link set dev $netdev down

	ip link set dev $netdev nomaster

	ip link set dev $netdev up

}



config_deslave_swp1()

{

	config_deslave $swp1

}



config_deslave_swp2()

{

	config_deslave $swp2

}



config_deslave_swp3()

{

	config_deslave $swp3

}



config_deslave_swp4()

{

	config_deslave $swp4

}



config_enslave()

{

	local netdev=$1; shift

	local master=$1; shift



	log_info "Enslave $netdev to $master"

	ip link set dev $netdev down

	ip link set dev $netdev master $master

	ip link set dev $netdev up

}



config_enslave_swp1()

{

	config_enslave $swp1 lag2

}



config_enslave_swp2()

{

	config_enslave $swp2 lag3

}



config_enslave_swp3()

{

	config_enslave $swp3 lag3

}



config_enslave_swp4()

{

	config_enslave $swp4 lag2

}



config_wait()

{

	setup_wait_dev lag2

	setup_wait_dev lag3

}



setup_prepare()

{

	h1=${NETIFS[p1]}

	swp1=${NETIFS[p2]}



	swp2=${NETIFS[p3]}

	h2=${NETIFS[p4]}



	swp3=${NETIFS[p5]}

	h3=${NETIFS[p6]}



	h4=${NETIFS[p7]}

	swp4=${NETIFS[p8]}



	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 lag1.100 192.0.2.130 ": via 100"

	ping_test lag1.200 192.0.2.146 ": via 200"

}



ping_ipv6()

{

	ping6_test lag1.100 2001:db8:2::2 ": via 100"

	ping6_test lag1.200 2001:db8:4::2 ": via 200"

}



trap cleanup EXIT



setup_prepare

setup_wait



tests_run



exit $EXIT_STATUS