Commit 0a06e0c1 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: router_bridge_1d: Add a new selftest 



Add a selftest to verify that routing through a 1d bridge works when VLAN
upper of a physical port is used instead of a physical port. Also verify
that when a port is attached to an already-configured bridge, the
configuration is applied.

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 eb138855

tools/testing/selftests/net/forwarding/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ TEST_PROGS = bridge_igmp.sh \ 
	q_in_vni_ipv6.sh \

	q_in_vni.sh \

	router_bridge.sh \

	router_bridge_1d.sh \

	router_bridge_vlan.sh \

	router_bridge_pvid_vlan_upper.sh \

	router_bridge_vlan_upper_pvid.sh \

tools/testing/selftests/net/forwarding/router_bridge_1d.sh

0 → 100755
+185 −0
Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



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

# | H1 (vrf)                                    |      |             H2 (vrf) |

# |    + $h1.100            + $h1.200           |      |  + $h2               |

# |    | 192.0.2.1/28       | 192.0.2.17/28     |      |  | 192.0.2.130/28    |

# |    | 2001:db8:1::1/64   | 2001:db8:3::1/64  |      |  | 192.0.2.146/28    |

# |    \_________ __________/                   |      |  | 2001:db8:2::2/64  |

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

# |              + $h1                          |      |  |                   |

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

#                |                                        |

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

# | SW           + $swp1                                  + $swp2             |

# |              |                                          192.0.2.129/28    |

# |              |                                          192.0.2.145/28    |

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

# |      ________^___________________________               2001:db8:4::1/64  |

# |     /                                    \                                |

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

# | |   + $swp1.100   BR1 (802.1d)     | |   + $swp1.200   BR2 (802.1d)     | |

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

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

# | |                                  | |                                  | |

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

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



ALL_TESTS="

	ping_ipv4

	ping_ipv6

	config_remaster

	ping_ipv4

	ping_ipv6

"

NUM_NETIFS=4

source lib.sh



h1_create()

{

	simple_if_init $h1

	vlan_create $h1 100 v$h1 192.0.2.1/28 2001:db8:1::1/64

	vlan_create $h1 200 v$h1 192.0.2.17/28 2001:db8:3::1/64

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

	ip -4 route add 192.0.2.144/28 vrf v$h1 nexthop via 192.0.2.18

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

	ip -6 route add 2001:db8:4::/64 vrf v$h1 nexthop via 2001:db8:3::2

}



h1_destroy()

{

	ip -6 route del 2001:db8:4::/64 vrf v$h1

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

	ip -4 route del 192.0.2.144/28 vrf v$h1

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

	vlan_destroy $h1 200

	vlan_destroy $h1 100

	simple_if_fini $h1

}



h2_create()

{

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

			   192.0.2.146/28 2001:db8:4::2/64

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

	ip -4 route add 192.0.2.16/28 vrf v$h2 nexthop via 192.0.2.145

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

	ip -6 route add 2001:db8:3::/64 vrf v$h2 nexthop via 2001:db8:4::1

}



h2_destroy()

{

	ip -6 route del 2001:db8:3::/64 vrf v$h2

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

	ip -4 route del 192.0.2.16/28 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 \

			   192.0.2.146/28 2001:db8:4::2/64

}



router_create()

{

	ip link set dev $swp1 up



	vlan_create $swp1 100

	ip link add name br1 type bridge vlan_filtering 0

	ip link set dev br1 address $(mac_get $swp1.100)

	ip link set dev $swp1.100 master br1

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

	ip link set dev br1 up



	vlan_create $swp1 200

	ip link add name br2 type bridge vlan_filtering 0

	ip link set dev br2 address $(mac_get $swp1.200)

	ip link set dev $swp1.200 master br2

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

	ip link set dev br2 up



	ip link set dev $swp2 up

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

				 192.0.2.145/28 2001:db8:4::1/64

}



router_destroy()

{

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

				 192.0.2.145/28 2001:db8:4::1/64

	ip link set dev $swp2 down



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

	ip link set dev $swp1.200 nomaster

	ip link del dev br2

	vlan_destroy $swp1 200



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

	ip link set dev $swp1.100 nomaster

	ip link del dev br1

	vlan_destroy $swp1 100



	ip link set dev $swp1 down

}



config_remaster()

{

	log_info "Remaster bridge slaves"



	ip link set dev $swp1.100 nomaster

	ip link set dev $swp1.200 nomaster

	sleep 2

	ip link set dev $swp1.200 master br2

	ip link set dev $swp1.100 master 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 ": via 100"

	ping_test $h1 192.0.2.146 ": via 200"

}



ping_ipv6()

{

	ping6_test $h1 2001:db8:2::2 ": via 100"

	ping6_test $h1 2001:db8:4::2 ": via 200"

}



trap cleanup EXIT



setup_prepare

setup_wait



tests_run



exit $EXIT_STATUS