| #!/bin/bash | |
| # SPDX-License-Identifier: GPL-2.0 | |
| ALL_TESTS="ping_ipv4 ping_ipv6 multipath_test" | |
| NUM_NETIFS=8 | |
| source lib.sh | |
| h1_create() | |
| { | |
| vrf_create "vrf-h1" | |
| ip link set dev $h1 master vrf-h1 | |
| ip link set dev vrf-h1 up | |
| ip link set dev $h1 up | |
| ip address add 192.0.2.2/24 dev $h1 | |
| ip address add 2001:db8:1::2/64 dev $h1 | |
| ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1 | |
| ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1 | |
| } | |
| h1_destroy() | |
| { | |
| ip route del 2001:db8:2::/64 vrf vrf-h1 | |
| ip route del 198.51.100.0/24 vrf vrf-h1 | |
| ip address del 2001:db8:1::2/64 dev $h1 | |
| ip address del 192.0.2.2/24 dev $h1 | |
| ip link set dev $h1 down | |
| vrf_destroy "vrf-h1" | |
| } | |
| h2_create() | |
| { | |
| vrf_create "vrf-h2" | |
| ip link set dev $h2 master vrf-h2 | |
| ip link set dev vrf-h2 up | |
| ip link set dev $h2 up | |
| ip address add 198.51.100.2/24 dev $h2 | |
| ip address add 2001:db8:2::2/64 dev $h2 | |
| ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1 | |
| ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1 | |
| } | |
| h2_destroy() | |
| { | |
| ip route del 2001:db8:1::/64 vrf vrf-h2 | |
| ip route del 192.0.2.0/24 vrf vrf-h2 | |
| ip address del 2001:db8:2::2/64 dev $h2 | |
| ip address del 198.51.100.2/24 dev $h2 | |
| ip link set dev $h2 down | |
| vrf_destroy "vrf-h2" | |
| } | |
| router1_create() | |
| { | |
| vrf_create "vrf-r1" | |
| ip link set dev $rp11 master vrf-r1 | |
| ip link set dev $rp12 master vrf-r1 | |
| ip link set dev $rp13 master vrf-r1 | |
| ip link set dev vrf-r1 up | |
| ip link set dev $rp11 up | |
| ip link set dev $rp12 up | |
| ip link set dev $rp13 up | |
| ip address add 192.0.2.1/24 dev $rp11 | |
| ip address add 2001:db8:1::1/64 dev $rp11 | |
| ip address add 169.254.2.12/24 dev $rp12 | |
| ip address add fe80:2::12/64 dev $rp12 | |
| ip address add 169.254.3.13/24 dev $rp13 | |
| ip address add fe80:3::13/64 dev $rp13 | |
| ip route add 198.51.100.0/24 vrf vrf-r1 \ | |
| nexthop via 169.254.2.22 dev $rp12 \ | |
| nexthop via 169.254.3.23 dev $rp13 | |
| ip route add 2001:db8:2::/64 vrf vrf-r1 \ | |
| nexthop via fe80:2::22 dev $rp12 \ | |
| nexthop via fe80:3::23 dev $rp13 | |
| } | |
| router1_destroy() | |
| { | |
| ip route del 2001:db8:2::/64 vrf vrf-r1 | |
| ip route del 198.51.100.0/24 vrf vrf-r1 | |
| ip address del fe80:3::13/64 dev $rp13 | |
| ip address del 169.254.3.13/24 dev $rp13 | |
| ip address del fe80:2::12/64 dev $rp12 | |
| ip address del 169.254.2.12/24 dev $rp12 | |
| ip address del 2001:db8:1::1/64 dev $rp11 | |
| ip address del 192.0.2.1/24 dev $rp11 | |
| ip link set dev $rp13 down | |
| ip link set dev $rp12 down | |
| ip link set dev $rp11 down | |
| vrf_destroy "vrf-r1" | |
| } | |
| router2_create() | |
| { | |
| vrf_create "vrf-r2" | |
| ip link set dev $rp21 master vrf-r2 | |
| ip link set dev $rp22 master vrf-r2 | |
| ip link set dev $rp23 master vrf-r2 | |
| ip link set dev vrf-r2 up | |
| ip link set dev $rp21 up | |
| ip link set dev $rp22 up | |
| ip link set dev $rp23 up | |
| ip address add 198.51.100.1/24 dev $rp21 | |
| ip address add 2001:db8:2::1/64 dev $rp21 | |
| ip address add 169.254.2.22/24 dev $rp22 | |
| ip address add fe80:2::22/64 dev $rp22 | |
| ip address add 169.254.3.23/24 dev $rp23 | |
| ip address add fe80:3::23/64 dev $rp23 | |
| ip route add 192.0.2.0/24 vrf vrf-r2 \ | |
| nexthop via 169.254.2.12 dev $rp22 \ | |
| nexthop via 169.254.3.13 dev $rp23 | |
| ip route add 2001:db8:1::/64 vrf vrf-r2 \ | |
| nexthop via fe80:2::12 dev $rp22 \ | |
| nexthop via fe80:3::13 dev $rp23 | |
| } | |
| router2_destroy() | |
| { | |
| ip route del 2001:db8:1::/64 vrf vrf-r2 | |
| ip route del 192.0.2.0/24 vrf vrf-r2 | |
| ip address del fe80:3::23/64 dev $rp23 | |
| ip address del 169.254.3.23/24 dev $rp23 | |
| ip address del fe80:2::22/64 dev $rp22 | |
| ip address del 169.254.2.22/24 dev $rp22 | |
| ip address del 2001:db8:2::1/64 dev $rp21 | |
| ip address del 198.51.100.1/24 dev $rp21 | |
| ip link set dev $rp23 down | |
| ip link set dev $rp22 down | |
| ip link set dev $rp21 down | |
| vrf_destroy "vrf-r2" | |
| } | |
| multipath4_test() | |
| { | |
| local desc="$1" | |
| local weight_rp12=$2 | |
| local weight_rp13=$3 | |
| local t0_rp12 t0_rp13 t1_rp12 t1_rp13 | |
| local packets_rp12 packets_rp13 | |
| # Transmit multiple flows from h1 to h2 and make sure they are | |
| # distributed between both multipath links (rp12 and rp13) | |
| # according to the configured weights. | |
| sysctl_set net.ipv4.fib_multipath_hash_policy 1 | |
| ip route replace 198.51.100.0/24 vrf vrf-r1 \ | |
| nexthop via 169.254.2.22 dev $rp12 weight $weight_rp12 \ | |
| nexthop via 169.254.3.23 dev $rp13 weight $weight_rp13 | |
| t0_rp12=$(link_stats_tx_packets_get $rp12) | |
| t0_rp13=$(link_stats_tx_packets_get $rp13) | |
| ip vrf exec vrf-h1 $MZ $h1 -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \ | |
| -d $MZ_DELAY -t udp "sp=1024,dp=0-32768" | |
| sleep 1 | |
| t1_rp12=$(link_stats_tx_packets_get $rp12) | |
| t1_rp13=$(link_stats_tx_packets_get $rp13) | |
| let "packets_rp12 = $t1_rp12 - $t0_rp12" | |
| let "packets_rp13 = $t1_rp13 - $t0_rp13" | |
| multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13 | |
| # Restore settings. | |
| ip route replace 198.51.100.0/24 vrf vrf-r1 \ | |
| nexthop via 169.254.2.22 dev $rp12 \ | |
| nexthop via 169.254.3.23 dev $rp13 | |
| sysctl_restore net.ipv4.fib_multipath_hash_policy | |
| } | |
| multipath6_test() | |
| { | |
| local desc="$1" | |
| local weight_rp12=$2 | |
| local weight_rp13=$3 | |
| local t0_rp12 t0_rp13 t1_rp12 t1_rp13 | |
| local packets_rp12 packets_rp13 | |
| # Transmit multiple flows from h1 to h2 and make sure they are | |
| # distributed between both multipath links (rp12 and rp13) | |
| # according to the configured weights. | |
| sysctl_set net.ipv6.fib_multipath_hash_policy 1 | |
| ip route replace 2001:db8:2::/64 vrf vrf-r1 \ | |
| nexthop via fe80:2::22 dev $rp12 weight $weight_rp12 \ | |
| nexthop via fe80:3::23 dev $rp13 weight $weight_rp13 | |
| t0_rp12=$(link_stats_tx_packets_get $rp12) | |
| t0_rp13=$(link_stats_tx_packets_get $rp13) | |
| $MZ $h1 -6 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \ | |
| -d $MZ_DELAY -t udp "sp=1024,dp=0-32768" | |
| sleep 1 | |
| t1_rp12=$(link_stats_tx_packets_get $rp12) | |
| t1_rp13=$(link_stats_tx_packets_get $rp13) | |
| let "packets_rp12 = $t1_rp12 - $t0_rp12" | |
| let "packets_rp13 = $t1_rp13 - $t0_rp13" | |
| multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13 | |
| ip route replace 2001:db8:2::/64 vrf vrf-r1 \ | |
| nexthop via fe80:2::22 dev $rp12 \ | |
| nexthop via fe80:3::23 dev $rp13 | |
| sysctl_restore net.ipv6.fib_multipath_hash_policy | |
| } | |
| multipath_test() | |
| { | |
| log_info "Running IPv4 multipath tests" | |
| multipath4_test "ECMP" 1 1 | |
| multipath4_test "Weighted MP 2:1" 2 1 | |
| multipath4_test "Weighted MP 11:45" 11 45 | |
| log_info "Running IPv6 multipath tests" | |
| multipath6_test "ECMP" 1 1 | |
| multipath6_test "Weighted MP 2:1" 2 1 | |
| multipath6_test "Weighted MP 11:45" 11 45 | |
| } | |
| setup_prepare() | |
| { | |
| h1=${NETIFS[p1]} | |
| rp11=${NETIFS[p2]} | |
| rp12=${NETIFS[p3]} | |
| rp22=${NETIFS[p4]} | |
| rp13=${NETIFS[p5]} | |
| rp23=${NETIFS[p6]} | |
| rp21=${NETIFS[p7]} | |
| h2=${NETIFS[p8]} | |
| vrf_prepare | |
| h1_create | |
| h2_create | |
| router1_create | |
| router2_create | |
| forwarding_enable | |
| } | |
| cleanup() | |
| { | |
| pre_cleanup | |
| forwarding_restore | |
| router2_destroy | |
| router1_destroy | |
| h2_destroy | |
| h1_destroy | |
| vrf_cleanup | |
| } | |
| ping_ipv4() | |
| { | |
| ping_test $h1 198.51.100.2 | |
| } | |
| ping_ipv6() | |
| { | |
| ping6_test $h1 2001:db8:2::2 | |
| } | |
| trap cleanup EXIT | |
| setup_prepare | |
| setup_wait | |
| tests_run | |
| exit $EXIT_STATUS |