diff options
Diffstat (limited to 'tools/testing/selftests/net/forwarding/router_mpath_nh_res.sh')
| -rwxr-xr-x | tools/testing/selftests/net/forwarding/router_mpath_nh_res.sh | 413 |
1 files changed, 413 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/router_mpath_nh_res.sh b/tools/testing/selftests/net/forwarding/router_mpath_nh_res.sh new file mode 100755 index 000000000000..4b483d24ad00 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/router_mpath_nh_res.sh @@ -0,0 +1,413 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS=" + ping_ipv4 + ping_ipv6 + multipath_test + nh_stats_test_v4 + nh_stats_test_v6 +" +NUM_NETIFS=8 +source lib.sh +source router_mpath_nh_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 +} + +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 nexthop del id 103 + ip nexthop del id 101 + ip nexthop del id 102 + ip nexthop del id 106 + ip nexthop del id 104 + ip nexthop del id 105 + + 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 +} + +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 nexthop del id 201 + ip nexthop del id 202 + ip nexthop del id 204 + ip nexthop del id 205 + + ip link set dev $rp23 down + ip link set dev $rp22 down + ip link set dev $rp21 down + + vrf_destroy "vrf-r2" +} + +routing_nh_obj() +{ + ip nexthop add id 101 via 169.254.2.22 dev $rp12 + ip nexthop add id 102 via 169.254.3.23 dev $rp13 + ip nexthop add id 103 group 101/102 type resilient buckets 512 \ + idle_timer 0 + ip route add 198.51.100.0/24 vrf vrf-r1 nhid 103 + + ip nexthop add id 104 via fe80:2::22 dev $rp12 + ip nexthop add id 105 via fe80:3::23 dev $rp13 + ip nexthop add id 106 group 104/105 type resilient buckets 512 \ + idle_timer 0 + ip route add 2001:db8:2::/64 vrf vrf-r1 nhid 106 + + ip nexthop add id 201 via 169.254.2.12 dev $rp22 + ip nexthop add id 202 via 169.254.3.13 dev $rp23 + ip nexthop add id 203 group 201/202 type resilient buckets 512 \ + idle_timer 0 + ip route add 192.0.2.0/24 vrf vrf-r2 nhid 203 + + ip nexthop add id 204 via fe80:2::12 dev $rp22 + ip nexthop add id 205 via fe80:3::13 dev $rp23 + ip nexthop add id 206 group 204/205 type resilient buckets 512 \ + idle_timer 0 + ip route add 2001:db8:1::/64 vrf vrf-r2 nhid 206 +} + +multipath4_test() +{ + local desc="$1" + local weight_rp12=$2 + local weight_rp13=$3 + local t0_rp12 t0_rp13 t1_rp12 t1_rp13 + local packets_rp12 packets_rp13 + + # Transmit multiple flows from h1 to h2 and make sure they are + # distributed between both multipath links (rp12 and rp13) + # according to the provided weights. + sysctl_set net.ipv4.fib_multipath_hash_policy 1 + + t0_rp12=$(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 $MZ_DELAY -t udp "sp=1024,dp=0-32768" + + t1_rp12=$(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. + sysctl_restore net.ipv4.fib_multipath_hash_policy +} + +multipath6_l4_test() +{ + local desc="$1" + local weight_rp12=$2 + local weight_rp13=$3 + local t0_rp12 t0_rp13 t1_rp12 t1_rp13 + local packets_rp12 packets_rp13 + + # Transmit multiple flows from h1 to h2 and make sure they are + # distributed between both multipath links (rp12 and rp13) + # according to the provided weights. + sysctl_set net.ipv6.fib_multipath_hash_policy 1 + + t0_rp12=$(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 $MZ_DELAY -t udp "sp=1024,dp=0-32768" + + t1_rp12=$(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 + + sysctl_restore net.ipv6.fib_multipath_hash_policy +} + +multipath_test() +{ + # Without an idle timer, weight replacement should happen immediately. + log_info "Running multipath tests without an idle timer" + ip nexthop replace id 103 group 101/102 type resilient idle_timer 0 + ip nexthop replace id 106 group 104/105 type resilient idle_timer 0 + + log_info "Running IPv4 multipath tests" + ip nexthop replace id 103 group 101,1/102,1 type resilient + multipath4_test "ECMP" 1 1 + ip nexthop replace id 103 group 101,2/102,1 type resilient + multipath4_test "Weighted MP 2:1" 2 1 + ip nexthop replace id 103 group 101,11/102,45 type resilient + multipath4_test "Weighted MP 11:45" 11 45 + + ip nexthop replace id 103 group 101,1/102,1 type resilient + + log_info "Running IPv6 L4 hash multipath tests" + ip nexthop replace id 106 group 104,1/105,1 type resilient + multipath6_l4_test "ECMP" 1 1 + ip nexthop replace id 106 group 104,2/105,1 type resilient + multipath6_l4_test "Weighted MP 2:1" 2 1 + ip nexthop replace id 106 group 104,11/105,45 type resilient + multipath6_l4_test "Weighted MP 11:45" 11 45 + + ip nexthop replace id 106 group 104,1/105,1 type resilient + + # With an idle timer, weight replacement should not happen, so the + # expected ratio should always be the initial one (1:1). + log_info "Running multipath tests with an idle timer of 120 seconds" + ip nexthop replace id 103 group 101/102 type resilient idle_timer 120 + ip nexthop replace id 106 group 104/105 type resilient idle_timer 120 + + log_info "Running IPv4 multipath tests" + ip nexthop replace id 103 group 101,1/102,1 type resilient + multipath4_test "ECMP" 1 1 + ip nexthop replace id 103 group 101,2/102,1 type resilient + multipath4_test "Weighted MP 2:1" 1 1 + ip nexthop replace id 103 group 101,11/102,45 type resilient + multipath4_test "Weighted MP 11:45" 1 1 + + ip nexthop replace id 103 group 101,1/102,1 type resilient + + log_info "Running IPv6 L4 hash multipath tests" + ip nexthop replace id 106 group 104,1/105,1 type resilient + multipath6_l4_test "ECMP" 1 1 + ip nexthop replace id 106 group 104,2/105,1 type resilient + multipath6_l4_test "Weighted MP 2:1" 1 1 + ip nexthop replace id 106 group 104,11/105,45 type resilient + multipath6_l4_test "Weighted MP 11:45" 1 1 + + ip nexthop replace id 106 group 104,1/105,1 type resilient + + # With a short idle timer and enough idle time, weight replacement + # should happen. + log_info "Running multipath tests with an idle timer of 5 seconds" + ip nexthop replace id 103 group 101/102 type resilient idle_timer 5 + ip nexthop replace id 106 group 104/105 type resilient idle_timer 5 + + log_info "Running IPv4 multipath tests" + sleep 10 + ip nexthop replace id 103 group 101,1/102,1 type resilient + multipath4_test "ECMP" 1 1 + sleep 10 + ip nexthop replace id 103 group 101,2/102,1 type resilient + multipath4_test "Weighted MP 2:1" 2 1 + sleep 10 + ip nexthop replace id 103 group 101,11/102,45 type resilient + multipath4_test "Weighted MP 11:45" 11 45 + + ip nexthop replace id 103 group 101,1/102,1 type resilient + + log_info "Running IPv6 L4 hash multipath tests" + sleep 10 + ip nexthop replace id 106 group 104,1/105,1 type resilient + multipath6_l4_test "ECMP" 1 1 + sleep 10 + ip nexthop replace id 106 group 104,2/105,1 type resilient + multipath6_l4_test "Weighted MP 2:1" 2 1 + sleep 10 + ip nexthop replace id 106 group 104,11/105,45 type resilient + multipath6_l4_test "Weighted MP 11:45" 11 45 + + ip nexthop replace id 106 group 104,1/105,1 type resilient +} + +nh_stats_test_v4() +{ + __nh_stats_test_v4 resilient +} + +nh_stats_test_v6() +{ + __nh_stats_test_v6 resilient +} + +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 +} + +ip nexthop ls >/dev/null 2>&1 +if [ $? -ne 0 ]; then + echo "Nexthop objects not supported; skipping tests" + exit $ksft_skip +fi + +trap cleanup EXIT + +setup_prepare +setup_wait +routing_nh_obj + +tests_run + +exit $EXIT_STATUS |