1ddd3fd75SPetr Machata#!/bin/bash 2ddd3fd75SPetr Machata# SPDX-License-Identifier: GPL-2.0 3ddd3fd75SPetr Machata 4ddd3fd75SPetr Machata# A driver for the ETS selftest that implements testing in offloaded datapath. 5ddd3fd75SPetr Machatalib_dir=$(dirname $0)/../../../net/forwarding 6ddd3fd75SPetr Machatasource $lib_dir/sch_ets_core.sh 7ddd3fd75SPetr Machatasource $lib_dir/devlink_lib.sh 8ddd3fd75SPetr Machata 9ddd3fd75SPetr MachataALL_TESTS=" 10ddd3fd75SPetr Machata ping_ipv4 11ddd3fd75SPetr Machata priomap_mode 12ddd3fd75SPetr Machata ets_test_strict 13ddd3fd75SPetr Machata ets_test_mixed 14ddd3fd75SPetr Machata ets_test_dwrr 15ddd3fd75SPetr Machata" 16ddd3fd75SPetr Machata 179e7aaa7cSAmit CohenPARENT="parent 3:3" 189e7aaa7cSAmit Cohen 19ddd3fd75SPetr Machataswitch_create() 20ddd3fd75SPetr Machata{ 21ddd3fd75SPetr Machata # Create a bottleneck so that the DWRR process can kick in. 229e7aaa7cSAmit Cohen tc qdisc replace dev $swp2 root handle 3: tbf rate 1gbit \ 239e7aaa7cSAmit Cohen burst 128K limit 1G 249e7aaa7cSAmit Cohen 259e7aaa7cSAmit Cohen ets_switch_create 26ddd3fd75SPetr Machata 27ddd3fd75SPetr Machata # Set the ingress quota high and use the three egress TCs to limit the 28ddd3fd75SPetr Machata # amount of traffic that is admitted to the shared buffers. This makes 29ddd3fd75SPetr Machata # sure that there is always enough traffic of all types to select from 30ddd3fd75SPetr Machata # for the DWRR process. 316e0972e0SPetr Machata devlink_port_pool_th_save $swp1 0 32ddd3fd75SPetr Machata devlink_port_pool_th_set $swp1 0 12 336e0972e0SPetr Machata devlink_tc_bind_pool_th_save $swp1 0 ingress 34ddd3fd75SPetr Machata devlink_tc_bind_pool_th_set $swp1 0 ingress 0 12 356e0972e0SPetr Machata devlink_port_pool_th_save $swp2 4 36ddd3fd75SPetr Machata devlink_port_pool_th_set $swp2 4 12 376e0972e0SPetr Machata devlink_tc_bind_pool_th_save $swp2 7 egress 38ddd3fd75SPetr Machata devlink_tc_bind_pool_th_set $swp2 7 egress 4 5 396e0972e0SPetr Machata devlink_tc_bind_pool_th_save $swp2 6 egress 40ddd3fd75SPetr Machata devlink_tc_bind_pool_th_set $swp2 6 egress 4 5 416e0972e0SPetr Machata devlink_tc_bind_pool_th_save $swp2 5 egress 42ddd3fd75SPetr Machata devlink_tc_bind_pool_th_set $swp2 5 egress 4 5 43ddd3fd75SPetr Machata 44ddd3fd75SPetr Machata # Note: sch_ets_core.sh uses VLAN ingress-qos-map to assign packet 45ddd3fd75SPetr Machata # priorities at $swp1 based on their 802.1p headers. ingress-qos-map is 46ddd3fd75SPetr Machata # not offloaded by mlxsw as of this writing, but the mapping used is 47ddd3fd75SPetr Machata # 1:1, which is the mapping currently hard-coded by the driver. 48ddd3fd75SPetr Machata} 49ddd3fd75SPetr Machata 50ddd3fd75SPetr Machataswitch_destroy() 51ddd3fd75SPetr Machata{ 52ddd3fd75SPetr Machata devlink_tc_bind_pool_th_restore $swp2 5 egress 53ddd3fd75SPetr Machata devlink_tc_bind_pool_th_restore $swp2 6 egress 54ddd3fd75SPetr Machata devlink_tc_bind_pool_th_restore $swp2 7 egress 55ddd3fd75SPetr Machata devlink_port_pool_th_restore $swp2 4 56ddd3fd75SPetr Machata devlink_tc_bind_pool_th_restore $swp1 0 ingress 57ddd3fd75SPetr Machata devlink_port_pool_th_restore $swp1 0 58ddd3fd75SPetr Machata 59ddd3fd75SPetr Machata ets_switch_destroy 609e7aaa7cSAmit Cohen 619e7aaa7cSAmit Cohen tc qdisc del dev $swp2 root handle 3: 62ddd3fd75SPetr Machata} 63ddd3fd75SPetr Machata 64ddd3fd75SPetr Machata# Callback from sch_ets_tests.sh 65b9b72999SPetr Machatacollect_stats() 66ddd3fd75SPetr Machata{ 67b9b72999SPetr Machata local -a streams=("$@") 68b9b72999SPetr Machata local stream 69ddd3fd75SPetr Machata 70b9b72999SPetr Machata # Wait for qdisc counter update so that we don't get it mid-way through. 71b9b72999SPetr Machata busywait_for_counter 1000 +1 \ 72b9b72999SPetr Machata qdisc_parent_stats_get $swp2 10:$((${streams[0]} + 1)) .bytes \ 73b9b72999SPetr Machata > /dev/null 74b9b72999SPetr Machata 75b9b72999SPetr Machata for stream in ${streams[@]}; do 76b9b72999SPetr Machata qdisc_parent_stats_get $swp2 10:$((stream + 1)) .bytes 77b9b72999SPetr Machata done 78ddd3fd75SPetr Machata} 79ddd3fd75SPetr Machata 80*8fcac792SPetr Machatabail_on_lldpad "configure DCB" "configure Qdiscs" 81ddd3fd75SPetr Machataets_run 82