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Message-ID: <0386ddc48de2fb35608e4976262856a33d63c681.1729157566.git.petrm@nvidia.com>
Date: Thu, 17 Oct 2024 11:45:51 +0200
From: Petr Machata <petrm@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>, <netdev@...r.kernel.org>
CC: <linux-kselftest@...r.kernel.org>, Shuah Khan <shuah@...nel.org>,
"Benjamin Poirier" <bpoirier@...dia.com>, Hangbin Liu <liuhangbin@...il.com>,
"Vladimir Oltean" <vladimir.oltean@....com>, Ido Schimmel
<idosch@...dia.com>, "Przemek Kitszel" <przemyslaw.kitszel@...el.com>, Petr
Machata <petrm@...dia.com>, Willem de Bruijn <willemb@...gle.com>,
<mlxsw@...dia.com>
Subject: [PATCH net-next v2 09/10] selftests: mlxsw: qos_max_descriptors: Use defer for test cleanup
Use the defer framework to schedule cleanups as soon as the command is
executed.
Signed-off-by: Petr Machata <petrm@...dia.com>
---
.../drivers/net/mlxsw/qos_max_descriptors.sh | 118 ++++++------------
1 file changed, 41 insertions(+), 77 deletions(-)
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh
index 5ac4f795e333..2b5d2c2751d5 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh
@@ -69,127 +69,103 @@ mlxsw_only_on_spectrum 2+ || exit
h1_create()
{
simple_if_init $h1
+ defer simple_if_fini $h1
vlan_create $h1 111 v$h1 192.0.2.33/28
+ defer vlan_destroy $h1 111
ip link set dev $h1.111 type vlan egress-qos-map 0:1
}
-h1_destroy()
-{
- vlan_destroy $h1 111
-
- simple_if_fini $h1
-}
-
h2_create()
{
simple_if_init $h2
+ defer simple_if_fini $h2
vlan_create $h2 111 v$h2 192.0.2.34/28
-}
-
-h2_destroy()
-{
- vlan_destroy $h2 111
-
- simple_if_fini $h2
+ defer vlan_destroy $h2 111
}
switch_create()
{
# pools
# -----
+ # devlink_pool_size_thtype_restore needs to be done first so that we can
+ # reset the various limits to values that are only valid for the
+ # original static / dynamic setting.
devlink_pool_size_thtype_save 1
- devlink_pool_size_thtype_save 6
-
- devlink_port_pool_th_save $swp1 1
- devlink_port_pool_th_save $swp2 6
-
- devlink_tc_bind_pool_th_save $swp1 1 ingress
- devlink_tc_bind_pool_th_save $swp2 1 egress
-
devlink_pool_size_thtype_set 1 dynamic $MAX_POOL_SIZE
+ defer_prio devlink_pool_size_thtype_restore 1
+
+ devlink_pool_size_thtype_save 6
devlink_pool_size_thtype_set 6 static $MAX_POOL_SIZE
+ defer_prio devlink_pool_size_thtype_restore 6
# $swp1
# -----
ip link set dev $swp1 up
+ defer ip link set dev $swp1 down
+
vlan_create $swp1 111
+ defer vlan_destroy $swp1 111
ip link set dev $swp1.111 type vlan ingress-qos-map 0:0 1:1
+ devlink_port_pool_th_save $swp1 1
devlink_port_pool_th_set $swp1 1 16
+ defer devlink_tc_bind_pool_th_restore $swp1 1 ingress
+
+ devlink_tc_bind_pool_th_save $swp1 1 ingress
devlink_tc_bind_pool_th_set $swp1 1 ingress 1 16
+ defer devlink_port_pool_th_restore $swp1 1
tc qdisc replace dev $swp1 root handle 1: \
ets bands 8 strict 8 priomap 7 6
+ defer tc qdisc del dev $swp1 root
+
dcb buffer set dev $swp1 prio-buffer all:0 1:1
+ defer dcb buffer set dev $swp1 prio-buffer all:0
# $swp2
# -----
ip link set dev $swp2 up
+ defer ip link set dev $swp2 down
+
vlan_create $swp2 111
+ defer vlan_destroy $swp2 111
ip link set dev $swp2.111 type vlan egress-qos-map 0:0 1:1
+ devlink_port_pool_th_save $swp2 6
devlink_port_pool_th_set $swp2 6 $MAX_POOL_SIZE
+ defer devlink_tc_bind_pool_th_restore $swp2 1 egress
+
+ devlink_tc_bind_pool_th_save $swp2 1 egress
devlink_tc_bind_pool_th_set $swp2 1 egress 6 $MAX_POOL_SIZE
+ defer devlink_port_pool_th_restore $swp2 6
tc qdisc replace dev $swp2 root handle 1: tbf rate $SHAPER_RATE \
burst 128K limit 500M
+ defer tc qdisc del dev $swp2 root
+
tc qdisc replace dev $swp2 parent 1:1 handle 11: \
ets bands 8 strict 8 priomap 7 6
+ defer tc qdisc del dev $swp2 parent 1:1 handle 11:
# bridge
# ------
ip link add name br1 type bridge vlan_filtering 0
+ defer ip link del dev br1
+
ip link set dev $swp1.111 master br1
+ defer ip link set dev $swp1.111 nomaster
+
ip link set dev br1 up
+ defer ip link set dev br1 down
ip link set dev $swp2.111 master br1
-}
-
-switch_destroy()
-{
- # Do this first so that we can reset the limits to values that are only
- # valid for the original static / dynamic setting.
- devlink_pool_size_thtype_restore 6
- devlink_pool_size_thtype_restore 1
-
- # bridge
- # ------
-
- ip link set dev $swp2.111 nomaster
-
- ip link set dev br1 down
- ip link set dev $swp1.111 nomaster
- ip link del dev br1
-
- # $swp2
- # -----
-
- tc qdisc del dev $swp2 parent 1:1 handle 11:
- tc qdisc del dev $swp2 root
-
- devlink_tc_bind_pool_th_restore $swp2 1 egress
- devlink_port_pool_th_restore $swp2 6
-
- vlan_destroy $swp2 111
- ip link set dev $swp2 down
-
- # $swp1
- # -----
-
- dcb buffer set dev $swp1 prio-buffer all:0
- tc qdisc del dev $swp1 root
-
- devlink_tc_bind_pool_th_restore $swp1 1 ingress
- devlink_port_pool_th_restore $swp1 1
-
- vlan_destroy $swp1 111
- ip link set dev $swp1 down
+ defer ip link set dev $swp2.111 nomaster
}
setup_prepare()
@@ -203,23 +179,13 @@ setup_prepare()
h2mac=$(mac_get $h2)
vrf_prepare
+ defer vrf_cleanup
h1_create
h2_create
switch_create
}
-cleanup()
-{
- pre_cleanup
-
- switch_destroy
- h2_destroy
- h1_destroy
-
- vrf_cleanup
-}
-
ping_ipv4()
{
ping_test $h1 192.0.2.34 " h1->h2"
@@ -251,6 +217,7 @@ max_descriptors()
log_info "Send many small packets, packet size = $pktsize bytes"
start_traffic_pktsize $pktsize $h1.111 192.0.2.33 192.0.2.34 $h2mac
+ defer stop_traffic $!
# Sleep to wait for congestion.
sleep 5
@@ -268,9 +235,6 @@ max_descriptors()
check_err $(bc <<< "$perc_used < $exp_perc_used") \
"Expected > $exp_perc_used% of descriptors, handle $perc_used%"
- stop_traffic
- sleep 1
-
log_test "Maximum descriptors usage. The percentage used is $perc_used%"
}
--
2.45.0
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