1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# A driver for the ETS selftest that implements testing in offloaded datapath. 5lib_dir=$(dirname $0)/../../../net/forwarding 6source $lib_dir/sch_ets_core.sh 7source $lib_dir/devlink_lib.sh 8source qos_lib.sh 9 10ALL_TESTS=" 11 ping_ipv4 12 priomap_mode 13 ets_test_strict 14 ets_test_mixed 15 ets_test_dwrr 16" 17 18switch_create() 19{ 20 ets_switch_create 21 22 # Create a bottleneck so that the DWRR process can kick in. 23 ethtool -s $h2 speed 1000 autoneg off 24 ethtool -s $swp2 speed 1000 autoneg off 25 26 # Set the ingress quota high and use the three egress TCs to limit the 27 # amount of traffic that is admitted to the shared buffers. This makes 28 # sure that there is always enough traffic of all types to select from 29 # for the DWRR process. 30 devlink_port_pool_th_save $swp1 0 31 devlink_port_pool_th_set $swp1 0 12 32 devlink_tc_bind_pool_th_save $swp1 0 ingress 33 devlink_tc_bind_pool_th_set $swp1 0 ingress 0 12 34 devlink_port_pool_th_save $swp2 4 35 devlink_port_pool_th_set $swp2 4 12 36 devlink_tc_bind_pool_th_save $swp2 7 egress 37 devlink_tc_bind_pool_th_set $swp2 7 egress 4 5 38 devlink_tc_bind_pool_th_save $swp2 6 egress 39 devlink_tc_bind_pool_th_set $swp2 6 egress 4 5 40 devlink_tc_bind_pool_th_save $swp2 5 egress 41 devlink_tc_bind_pool_th_set $swp2 5 egress 4 5 42 43 # Note: sch_ets_core.sh uses VLAN ingress-qos-map to assign packet 44 # priorities at $swp1 based on their 802.1p headers. ingress-qos-map is 45 # not offloaded by mlxsw as of this writing, but the mapping used is 46 # 1:1, which is the mapping currently hard-coded by the driver. 47} 48 49switch_destroy() 50{ 51 devlink_tc_bind_pool_th_restore $swp2 5 egress 52 devlink_tc_bind_pool_th_restore $swp2 6 egress 53 devlink_tc_bind_pool_th_restore $swp2 7 egress 54 devlink_port_pool_th_restore $swp2 4 55 devlink_tc_bind_pool_th_restore $swp1 0 ingress 56 devlink_port_pool_th_restore $swp1 0 57 58 ethtool -s $swp2 autoneg on 59 ethtool -s $h2 autoneg on 60 61 ets_switch_destroy 62} 63 64# Callback from sch_ets_tests.sh 65collect_stats() 66{ 67 local -a streams=("$@") 68 local stream 69 70 # Wait for qdisc counter update so that we don't get it mid-way through. 71 busywait_for_counter 1000 +1 \ 72 qdisc_parent_stats_get $swp2 10:$((${streams[0]} + 1)) .bytes \ 73 > /dev/null 74 75 for stream in ${streams[@]}; do 76 qdisc_parent_stats_get $swp2 10:$((stream + 1)) .bytes 77 done 78} 79 80bail_on_lldpad 81ets_run 82