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