diff options
| author | Ido Schimmel <idosch@mellanox.com> | 2018-02-28 12:25:12 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-02-28 12:25:47 -0500 |
| commit | 4fb20ae13711ee05fba6e5dd2b81a83d9e5b5249 (patch) | |
| tree | e81f4195e789b46b595006c1ed9ea6279c734ba8 /tools/testing/selftests/net | |
| parent | 3d578d879517a97f4af867e6a8a021baf15e5101 (diff) | |
| download | linux-4fb20ae13711ee05fba6e5dd2b81a83d9e5b5249.tar.gz linux-4fb20ae13711ee05fba6e5dd2b81a83d9e5b5249.tar.xz | |
selftests: forwarding: Test IPv6 weighted nexthops
Have one host generate 16K IPv6 echo requests with a random flow label
and check that they are distributed between both multipath links
according to the provided weights.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests/net')
| -rwxr-xr-x | tools/testing/selftests/net/forwarding/router_multipath.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/router_multipath.sh b/tools/testing/selftests/net/forwarding/router_multipath.sh index 5b425dffb5d0..d31888e3133e 100755 --- a/tools/testing/selftests/net/forwarding/router_multipath.sh +++ b/tools/testing/selftests/net/forwarding/router_multipath.sh @@ -226,12 +226,48 @@ multipath4_test() sysctl -q -w net.ipv4.fib_multipath_hash_policy=$hash_policy } +multipath6_test() +{ + local weight_rp12=$1 + local weight_rp13=$2 + local t0_rp12 t0_rp13 t1_rp12 t1_rp13 + local packets_rp12 packets_rp13 + + 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) + + # Generate 16384 echo requests, each with a random flow label. + for _ in $(seq 1 16384); do + ip vrf exec vrf-h1 ping 2001:db8:2::2 -F 0 -c 1 -q &> /dev/null + done + + t1_rp12=$(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 $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 +} + multipath_test() { log_info "Running IPv4 multipath tests" multipath4_test 1 1 multipath4_test 2 1 multipath4_test 11 45 + + log_info "Running IPv6 multipath tests" + multipath6_test 1 1 + multipath6_test 2 1 + multipath6_test 11 45 } setup_prepare() |