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Message-ID: <5a663c264a066846d1289c0c68df70afd6377d53.1729157566.git.petrm@nvidia.com>
Date: Thu, 17 Oct 2024 11:45:50 +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 08/10] selftests: mlxsw: qos_ets_strict: 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_ets_strict.sh | 167 +++++++++---------
1 file changed, 85 insertions(+), 82 deletions(-)
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh
index fee74f215cec..d5b6f2cc9a29 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_ets_strict.sh
@@ -58,65 +58,62 @@ source qos_lib.sh
h1_create()
{
simple_if_init $h1
+ defer simple_if_fini $h1
+
mtu_set $h1 10000
+ defer mtu_restore $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
-
- mtu_restore $h1
- simple_if_fini $h1
-}
-
h2_create()
{
simple_if_init $h2
+ defer simple_if_fini $h2
+
mtu_set $h2 10000
+ defer mtu_restore $h2
vlan_create $h2 222 v$h2 192.0.2.65/28
+ defer vlan_destroy $h2 222
ip link set dev $h2.222 type vlan egress-qos-map 0:2
}
-h2_destroy()
-{
- vlan_destroy $h2 222
-
- mtu_restore $h2
- simple_if_fini $h2
-}
-
h3_create()
{
simple_if_init $h3
+ defer simple_if_fini $h3
+
mtu_set $h3 10000
+ defer mtu_restore $h3
vlan_create $h3 111 v$h3 192.0.2.34/28
+ defer vlan_destroy $h3 111
+
vlan_create $h3 222 v$h3 192.0.2.66/28
-}
-
-h3_destroy()
-{
- vlan_destroy $h3 222
- vlan_destroy $h3 111
-
- mtu_restore $h3
- simple_if_fini $h3
+ defer vlan_destroy $h3 222
}
switch_create()
{
ip link set dev $swp1 up
+ defer ip link set dev $swp1 down
+
mtu_set $swp1 10000
+ defer mtu_restore $swp1
ip link set dev $swp2 up
+ defer ip link set dev $swp2 down
+
mtu_set $swp2 10000
+ defer mtu_restore $swp2
# prio n -> TC n, strict scheduling
lldptool -T -i $swp3 -V ETS-CFG up2tc=0:0,1:1,2:2,3:3,4:4,5:5,6:6,7:7
+ defer lldptool -T -i $swp3 -V ETS-CFG up2tc=0:0,1:0,2:0,3:0,4:0,5:0,6:0,7:0
+
lldptool -T -i $swp3 -V ETS-CFG tsa=$(
)"0:strict,"$(
)"1:strict,"$(
@@ -129,85 +126,90 @@ switch_create()
sleep 1
ip link set dev $swp3 up
+ defer ip link set dev $swp3 down
+
mtu_set $swp3 10000
+ defer mtu_restore $swp3
+
tc qdisc replace dev $swp3 root handle 101: tbf rate 1gbit \
burst 128K limit 1G
+ defer tc qdisc del dev $swp3 root handle 101:
vlan_create $swp1 111
+ defer vlan_destroy $swp1 111
+
vlan_create $swp2 222
+ defer vlan_destroy $swp2 222
+
vlan_create $swp3 111
+ defer vlan_destroy $swp3 111
+
vlan_create $swp3 222
+ defer vlan_destroy $swp3 222
ip link add name br111 type bridge vlan_filtering 0
+ defer ip link del dev br111
ip link set dev br111 addrgenmode none
+
ip link set dev br111 up
+ defer ip link set dev br111 down
+
ip link set dev $swp1.111 master br111
+ defer ip link set dev $swp1.111 nomaster
+
ip link set dev $swp3.111 master br111
+ defer ip link set dev $swp3.111 nomaster
ip link add name br222 type bridge vlan_filtering 0
+ defer ip link del dev br222
ip link set dev br222 addrgenmode none
+
ip link set dev br222 up
+ defer ip link set dev br222 down
+
ip link set dev $swp2.222 master br222
+ defer ip link set dev $swp2.222 nomaster
+
ip link set dev $swp3.222 master br222
+ defer ip link set dev $swp3.222 nomaster
# Make sure that ingress quotas are smaller than egress so that there is
# room for both streams of traffic to be admitted to shared buffer.
devlink_pool_size_thtype_save 0
devlink_pool_size_thtype_set 0 dynamic 10000000
+ defer devlink_pool_size_thtype_restore 0
+
devlink_pool_size_thtype_save 4
devlink_pool_size_thtype_set 4 dynamic 10000000
+ defer devlink_pool_size_thtype_restore 4
devlink_port_pool_th_save $swp1 0
devlink_port_pool_th_set $swp1 0 6
+ defer devlink_port_pool_th_restore $swp1 0
+
devlink_tc_bind_pool_th_save $swp1 1 ingress
devlink_tc_bind_pool_th_set $swp1 1 ingress 0 6
+ defer devlink_tc_bind_pool_th_restore $swp1 1 ingress
devlink_port_pool_th_save $swp2 0
devlink_port_pool_th_set $swp2 0 6
+ defer devlink_port_pool_th_restore $swp2 0
+
devlink_tc_bind_pool_th_save $swp2 2 ingress
devlink_tc_bind_pool_th_set $swp2 2 ingress 0 6
+ defer devlink_tc_bind_pool_th_restore $swp2 2 ingress
devlink_tc_bind_pool_th_save $swp3 1 egress
devlink_tc_bind_pool_th_set $swp3 1 egress 4 7
+ defer devlink_tc_bind_pool_th_restore $swp3 1 egress
+
devlink_tc_bind_pool_th_save $swp3 2 egress
devlink_tc_bind_pool_th_set $swp3 2 egress 4 7
+ defer devlink_tc_bind_pool_th_restore $swp3 2 egress
+
devlink_port_pool_th_save $swp3 4
devlink_port_pool_th_set $swp3 4 7
-}
-
-switch_destroy()
-{
- devlink_port_pool_th_restore $swp3 4
- devlink_tc_bind_pool_th_restore $swp3 2 egress
- devlink_tc_bind_pool_th_restore $swp3 1 egress
-
- devlink_tc_bind_pool_th_restore $swp2 2 ingress
- devlink_port_pool_th_restore $swp2 0
-
- devlink_tc_bind_pool_th_restore $swp1 1 ingress
- devlink_port_pool_th_restore $swp1 0
-
- devlink_pool_size_thtype_restore 4
- devlink_pool_size_thtype_restore 0
-
- ip link del dev br222
- ip link del dev br111
-
- vlan_destroy $swp3 222
- vlan_destroy $swp3 111
- vlan_destroy $swp2 222
- vlan_destroy $swp1 111
-
- tc qdisc del dev $swp3 root handle 101:
- mtu_restore $swp3
- ip link set dev $swp3 down
- lldptool -T -i $swp3 -V ETS-CFG up2tc=0:0,1:0,2:0,3:0,4:0,5:0,6:0,7:0
-
- mtu_restore $swp2
- ip link set dev $swp2 down
-
- mtu_restore $swp1
- ip link set dev $swp1 down
+ defer devlink_port_pool_th_restore $swp3 4
}
setup_prepare()
@@ -224,6 +226,7 @@ setup_prepare()
h3mac=$(mac_get $h3)
vrf_prepare
+ defer vrf_cleanup
h1_create
h2_create
@@ -231,18 +234,6 @@ setup_prepare()
switch_create
}
-cleanup()
-{
- pre_cleanup
-
- switch_destroy
- h3_destroy
- h2_destroy
- h1_destroy
-
- vrf_cleanup
-}
-
ping_ipv4()
{
ping_test $h1 192.0.2.34 " from H1"
@@ -261,21 +252,38 @@ rel()
"
}
+__run_hi_measure_rate()
+{
+ local what=$1; shift
+ local -a uc_rate
+
+ start_traffic $h2.222 192.0.2.65 192.0.2.66 $h3mac
+ defer stop_traffic $!
+
+ uc_rate=($(measure_rate $swp2 $h3 rx_octets_prio_2 "$what"))
+ check_err $? "Could not get high enough $what ingress rate"
+
+ echo ${uc_rate[@]}
+}
+
+run_hi_measure_rate()
+{
+ in_defer_scope __run_hi_measure_rate "$@"
+}
+
test_ets_strict()
{
RET=0
# Run high-prio traffic on its own.
- start_traffic $h2.222 192.0.2.65 192.0.2.66 $h3mac
local -a rate_2
- rate_2=($(measure_rate $swp2 $h3 rx_octets_prio_2 "prio 2"))
- check_err $? "Could not get high enough prio-2 ingress rate"
+ rate_2=($(run_hi_measure_rate "prio 2"))
local rate_2_in=${rate_2[0]}
local rate_2_eg=${rate_2[1]}
- stop_traffic # $h2.222
# Start low-prio stream.
start_traffic $h1.111 192.0.2.33 192.0.2.34 $h3mac
+ defer stop_traffic $!
local -a rate_1
rate_1=($(measure_rate $swp1 $h3 rx_octets_prio_1 "prio 1"))
@@ -290,14 +298,9 @@ test_ets_strict()
check_err $(bc <<< "$rel21 > 105")
# Start the high-prio stream--now both streams run.
- start_traffic $h2.222 192.0.2.65 192.0.2.66 $h3mac
- rate_3=($(measure_rate $swp2 $h3 rx_octets_prio_2 "prio 2 w/ 1"))
- check_err $? "Could not get high enough prio-2 ingress rate with prio-1"
+ rate_3=($(run_hi_measure_rate "prio 2+1"))
local rate_3_in=${rate_3[0]}
local rate_3_eg=${rate_3[1]}
- stop_traffic # $h2.222
-
- stop_traffic # $h1.111
# High-prio should have about the same throughput whether or not
# low-prio is in the system.
--
2.45.0
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