| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| # A driver for the ETS selftest that implements testing in offloaded datapath. |
| lib_dir=$(dirname $0)/../../../net/forwarding |
| source $lib_dir/sch_ets_core.sh |
| source $lib_dir/devlink_lib.sh |
| source qos_lib.sh |
| |
| ALL_TESTS=" |
| ping_ipv4 |
| priomap_mode |
| ets_test_strict |
| ets_test_mixed |
| ets_test_dwrr |
| " |
| |
| switch_create() |
| { |
| ets_switch_create |
| |
| # Create a bottleneck so that the DWRR process can kick in. |
| ethtool -s $h2 speed 1000 autoneg off |
| ethtool -s $swp2 speed 1000 autoneg off |
| |
| # Set the ingress quota high and use the three egress TCs to limit the |
| # amount of traffic that is admitted to the shared buffers. This makes |
| # sure that there is always enough traffic of all types to select from |
| # for the DWRR process. |
| devlink_port_pool_th_save $swp1 0 |
| devlink_port_pool_th_set $swp1 0 12 |
| devlink_tc_bind_pool_th_save $swp1 0 ingress |
| devlink_tc_bind_pool_th_set $swp1 0 ingress 0 12 |
| devlink_port_pool_th_save $swp2 4 |
| devlink_port_pool_th_set $swp2 4 12 |
| devlink_tc_bind_pool_th_save $swp2 7 egress |
| devlink_tc_bind_pool_th_set $swp2 7 egress 4 5 |
| devlink_tc_bind_pool_th_save $swp2 6 egress |
| devlink_tc_bind_pool_th_set $swp2 6 egress 4 5 |
| devlink_tc_bind_pool_th_save $swp2 5 egress |
| devlink_tc_bind_pool_th_set $swp2 5 egress 4 5 |
| |
| # Note: sch_ets_core.sh uses VLAN ingress-qos-map to assign packet |
| # priorities at $swp1 based on their 802.1p headers. ingress-qos-map is |
| # not offloaded by mlxsw as of this writing, but the mapping used is |
| # 1:1, which is the mapping currently hard-coded by the driver. |
| } |
| |
| switch_destroy() |
| { |
| devlink_tc_bind_pool_th_restore $swp2 5 egress |
| devlink_tc_bind_pool_th_restore $swp2 6 egress |
| devlink_tc_bind_pool_th_restore $swp2 7 egress |
| devlink_port_pool_th_restore $swp2 4 |
| devlink_tc_bind_pool_th_restore $swp1 0 ingress |
| devlink_port_pool_th_restore $swp1 0 |
| |
| ethtool -s $swp2 autoneg on |
| ethtool -s $h2 autoneg on |
| |
| ets_switch_destroy |
| } |
| |
| # Callback from sch_ets_tests.sh |
| collect_stats() |
| { |
| local -a streams=("$@") |
| local stream |
| |
| # Wait for qdisc counter update so that we don't get it mid-way through. |
| busywait_for_counter 1000 +1 \ |
| qdisc_parent_stats_get $swp2 10:$((${streams[0]} + 1)) .bytes \ |
| > /dev/null |
| |
| for stream in ${streams[@]}; do |
| qdisc_parent_stats_get $swp2 10:$((stream + 1)) .bytes |
| done |
| } |
| |
| bail_on_lldpad |
| ets_run |
