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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 # +-------------------------+  +-------------------------+
   5 # | H1                      |  |                      H2 |
   6 # |               $h1 +     |  |               $h2 +     |
   7 # |      192.0.2.2/24 |     |  |   198.51.100.2/24 |     |
   8 # |  2001:db8:1::2/64 |     |  |  2001:db8:2::2/64 |     |
   9 # +-------------------|-----+  +-------------------|-----+
  10 #                     |                            |
  11 # +-------------------|----------------------------|-----+
  12 # | R1                |                            |     |
  13 # |              $rp1 +                       $rp2 +     |
  14 # |      192.0.2.1/24              198.51.100.1/24       |
  15 # |  2001:db8:1::1/64             2001:db8:2::1/64       |
  16 # +------------------------------------------------------+
  17
  18 ALL_TESTS="
  19         ping_ipv4
  20         ping_ipv6
  21 "
  22
  23 NUM_NETIFS=4
  24 source lib.sh
  25 source tc_common.sh
  26
  27 h1_create()
  28 {
  29         vrf_create "vrf-h1"
  30         ip link set dev $h1 master vrf-h1
  31
  32         ip link set dev vrf-h1 up
  33         ip link set dev $h1 up
  34
  35         ip address add 192.0.2.2/24 dev $h1
  36         ip address add 2001:db8:1::2/64 dev $h1
  37
  38         ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1
  39         ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1
  40 }
  41
  42 h1_destroy()
  43 {
  44         ip route del 2001:db8:2::/64 vrf vrf-h1
  45         ip route del 198.51.100.0/24 vrf vrf-h1
  46
  47         ip address del 2001:db8:1::2/64 dev $h1
  48         ip address del 192.0.2.2/24 dev $h1
  49
  50         ip link set dev $h1 down
  51         vrf_destroy "vrf-h1"
  52 }
  53
  54 h2_create()
  55 {
  56         vrf_create "vrf-h2"
  57         ip link set dev $h2 master vrf-h2
  58
  59         ip link set dev vrf-h2 up
  60         ip link set dev $h2 up
  61
  62         ip address add 198.51.100.2/24 dev $h2
  63         ip address add 2001:db8:2::2/64 dev $h2
  64
  65         ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1
  66         ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1
  67 }
  68
  69 h2_destroy()
  70 {
  71         ip route del 2001:db8:1::/64 vrf vrf-h2
  72         ip route del 192.0.2.0/24 vrf vrf-h2
  73
  74         ip address del 2001:db8:2::2/64 dev $h2
  75         ip address del 198.51.100.2/24 dev $h2
  76
  77         ip link set dev $h2 down
  78         vrf_destroy "vrf-h2"
  79 }
  80
  81 router_create()
  82 {
  83         ip link set dev $rp1 up
  84         ip link set dev $rp2 up
  85
  86         tc qdisc add dev $rp2 clsact
  87
  88         ip address add 192.0.2.1/24 dev $rp1
  89         ip address add 2001:db8:1::1/64 dev $rp1
  90
  91         ip address add 198.51.100.1/24 dev $rp2
  92         ip address add 2001:db8:2::1/64 dev $rp2
  93 }
  94
  95 router_destroy()
  96 {
  97         ip address del 2001:db8:2::1/64 dev $rp2
  98         ip address del 198.51.100.1/24 dev $rp2
  99
 100         ip address del 2001:db8:1::1/64 dev $rp1
 101         ip address del 192.0.2.1/24 dev $rp1
 102
 103         tc qdisc del dev $rp2 clsact
 104
 105         ip link set dev $rp2 down
 106         ip link set dev $rp1 down
 107 }
 108
 109 routing_nh_obj()
 110 {
 111         # Create the nexthops as AF_INET6, so that IPv4 and IPv6 routes could
 112         # use them.
 113         ip -6 nexthop add id 101 dev $rp1
 114         ip -6 nexthop add id 102 dev $rp2
 115
 116         ip route replace 192.0.2.0/24 nhid 101
 117         ip route replace 2001:db8:1::/64 nhid 101
 118         ip route replace 198.51.100.0/24 nhid 102
 119         ip route replace 2001:db8:2::/64 nhid 102
 120 }
 121
 122 setup_prepare()
 123 {
 124         h1=${NETIFS[p1]}
 125         rp1=${NETIFS[p2]}
 126
 127         rp2=${NETIFS[p3]}
 128         h2=${NETIFS[p4]}
 129
 130         rp1mac=$(mac_get $rp1)
 131
 132         vrf_prepare
 133
 134         h1_create
 135         h2_create
 136
 137         router_create
 138
 139         forwarding_enable
 140 }
 141
 142 cleanup()
 143 {
 144         pre_cleanup
 145
 146         forwarding_restore
 147
 148         router_destroy
 149
 150         h2_destroy
 151         h1_destroy
 152
 153         vrf_cleanup
 154 }
 155
 156 ping_ipv4()
 157 {
 158         ping_test $h1 198.51.100.2
 159 }
 160
 161 ping_ipv6()
 162 {
 163         ping6_test $h1 2001:db8:2::2
 164 }
 165
 166 trap cleanup EXIT
 167
 168 setup_prepare
 169 setup_wait
 170 routing_nh_obj
 171
 172 tests_run
 173
 174 exit $EXIT_STATUS