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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 # +------------------------+                           +----------------------+
   5 # | H1 (vrf)               |                           |             H2 (vrf) |
   6 # |    + $h1               |                           |  + $h2               |
   7 # |    | 192.0.2.1/28      |                           |  | 192.0.2.130/28    |
   8 # |    | 2001:db8:1::1/64  |                           |  | 2001:db8:2::2/64  |
   9 # |    |                   |                           |  |                   |
  10 # +----|-------------------+                           +--|-------------------+
  11 #      |                                                  |
  12 # +----|--------------------------------------------------|-------------------+
  13 # | SW |                                                  |                   |
  14 # | +--|-----------------------------+                    + $swp2             |
  15 # | |  + $swp1      BR1 (802.1q)     |                      192.0.2.129/28    |
  16 # | |               192.0.2.2/28     |                      2001:db8:2::1/64  |
  17 # | |               2001:db8:1::1/64 |                                        |
  18 # | |                                |                                        |
  19 # | +--------------------------------+                                        |
  20 # +---------------------------------------------------------------------------+
  21
  22 ALL_TESTS="
  23         ping_ipv4
  24         ping_ipv6
  25         config_remaster
  26         ping_ipv4
  27         ping_ipv6
  28         config_remove_pvid
  29         ping_ipv4_fails
  30         ping_ipv6_fails
  31         config_add_pvid
  32         ping_ipv4
  33         ping_ipv6
  34         config_late_pvid
  35         ping_ipv4
  36         ping_ipv6
  37 "
  38 NUM_NETIFS=4
  39 source lib.sh
  40
  41 h1_create()
  42 {
  43         simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64
  44         ip -4 route add 192.0.2.128/28 vrf v$h1 nexthop via 192.0.2.2
  45         ip -6 route add 2001:db8:2::/64 vrf v$h1 nexthop via 2001:db8:1::2
  46 }
  47
  48 h1_destroy()
  49 {
  50         ip -6 route del 2001:db8:2::/64 vrf v$h1
  51         ip -4 route del 192.0.2.128/28 vrf v$h1
  52         simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64
  53 }
  54
  55 h2_create()
  56 {
  57         simple_if_init $h2 192.0.2.130/28 2001:db8:2::2/64
  58         ip -4 route add 192.0.2.0/28 vrf v$h2 nexthop via 192.0.2.129
  59         ip -6 route add 2001:db8:1::/64 vrf v$h2 nexthop via 2001:db8:2::1
  60 }
  61
  62 h2_destroy()
  63 {
  64         ip -6 route del 2001:db8:1::/64 vrf v$h2
  65         ip -4 route del 192.0.2.0/28 vrf v$h2
  66         simple_if_fini $h2 192.0.2.130/28 2001:db8:2::2/64
  67 }
  68
  69 router_create()
  70 {
  71         ip link add name br1 address $(mac_get $swp1) \
  72                 type bridge vlan_filtering 1
  73         ip link set dev br1 up
  74
  75         ip link set dev $swp1 master br1
  76         ip link set dev $swp1 up
  77         __addr_add_del br1 add 192.0.2.2/28 2001:db8:1::2/64
  78
  79         ip link set dev $swp2 up
  80         __addr_add_del $swp2 add 192.0.2.129/28 2001:db8:2::1/64
  81 }
  82
  83 router_destroy()
  84 {
  85         __addr_add_del $swp2 del 192.0.2.129/28 2001:db8:2::1/64
  86         ip link set dev $swp2 down
  87
  88         __addr_add_del br1 del 192.0.2.2/28 2001:db8:1::2/64
  89         ip link set dev $swp1 down
  90         ip link set dev $swp1 nomaster
  91
  92         ip link del dev br1
  93 }
  94
  95 config_remaster()
  96 {
  97         log_info "Remaster bridge slave"
  98
  99         ip link set dev $swp1 nomaster
 100         sleep 2
 101         ip link set dev $swp1 master br1
 102 }
 103
 104 config_remove_pvid()
 105 {
 106         log_info "Remove PVID from the bridge"
 107
 108         bridge vlan add dev br1 vid 1 self
 109         sleep 2
 110 }
 111
 112 config_add_pvid()
 113 {
 114         log_info "Add PVID to the bridge"
 115
 116         bridge vlan add dev br1 vid 1 self pvid untagged
 117         sleep 2
 118 }
 119
 120 config_late_pvid()
 121 {
 122         log_info "Add bridge PVID after enslaving port"
 123
 124         ip link set dev $swp1 nomaster
 125         ip link set dev br1 type bridge vlan_default_pvid 0
 126         sleep 2
 127         ip link set dev $swp1 master br1
 128         ip link set dev br1 type bridge vlan_default_pvid 1
 129 }
 130
 131 setup_prepare()
 132 {
 133         h1=${NETIFS[p1]}
 134         swp1=${NETIFS[p2]}
 135
 136         swp2=${NETIFS[p3]}
 137         h2=${NETIFS[p4]}
 138
 139         vrf_prepare
 140
 141         h1_create
 142         h2_create
 143
 144         router_create
 145
 146         forwarding_enable
 147 }
 148
 149 cleanup()
 150 {
 151         pre_cleanup
 152
 153         forwarding_restore
 154
 155         router_destroy
 156
 157         h2_destroy
 158         h1_destroy
 159
 160         vrf_cleanup
 161 }
 162
 163 ping_ipv4()
 164 {
 165         ping_test $h1 192.0.2.130
 166 }
 167
 168 ping_ipv6()
 169 {
 170         ping6_test $h1 2001:db8:2::2
 171 }
 172
 173 ping_ipv4_fails()
 174 {
 175         ping_test_fails $h1 192.0.2.130
 176 }
 177
 178 ping_ipv6_fails()
 179 {
 180         ping6_test_fails $h1 2001:db8:2::2
 181 }
 182
 183 trap cleanup EXIT
 184
 185 setup_prepare
 186 setup_wait
 187
 188 tests_run
 189
 190 exit $EXIT_STATUS