2 # SPDX-License-Identifier: GPL-2.0
4 # A driver for the ETS selftest that implements testing in offloaded datapath.
5 lib_dir=$(dirname $0)/../../../net/forwarding
6 source $lib_dir/sch_ets_core.sh
7 source $lib_dir/devlink_lib.sh
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
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
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.
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
58 ethtool -s $swp2 autoneg on
59 ethtool -s $h2 autoneg on
64 # Callback from sch_ets_tests.sh
67 local -a streams=("$@")
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 \
75 for stream in ${streams[@]}; do
76 qdisc_parent_stats_get $swp2 10:$((stream + 1)) .bytes