Merge: [RHEL10.0 P2] selftest: backport stable commits from upstream

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-10/-/merge_requests/181

JIRA: https://issues.redhat.com/browse/RHEL-74034

 * 0cb06dc selftests: net: rebuild YNL if dependencies changed
 * 60b4d49 selftests: net: move EXTRA_CLEAN of libynl.a into ynl.mk
 * a6e263f selftests: net: lib: Introduce deferred commands
 * b4b0549 selftests: forwarding: Add a fallback cleanup()
 * 0e07d5d selftests: forwarding: lib: Allow passing PID to stop_traffic()
 * 7f46615 selftests: RED: Use defer for test cleanup
 * a1b3741 selftests: TBF: Use defer for test cleanup
 * cc3e7ee selftests: ETS: Use defer for test cleanup
 * 81bc949 selftests: tls: add a selftest for wrapping rec_seq
 * f72aa1b selftests: net: include lib/sh/*.sh with lib.sh
 * 041bd1e selftests: netfilter: Fix missing return values in conntrack_dump_flush
 * 663a917 selftests: rds: move test.py to TEST_FILES
 * a179759 selftests: openvswitch: fix tcpdump execution
 * 246068b selftests: net: local_termination: require mausezahn

Signed-off-by: CKI Backport Bot <cki-ci-bot+cki-gitlab-backport-bot@redhat.com>

---

<small>Created 2025-01-15 09:52 UTC by backporter - [KWF FAQ](https://red.ht/kernel_workflow_doc) - [Slack #team-kernel-workflow](https://redhat-internal.slack.com/archives/C04LRUPMJQ5) - [Source](https://gitlab.com/cki-project/kernel-workflow/-/blob/main/webhook/utils/backporter.py) - [Documentation](https://gitlab.com/cki-project/kernel-workflow/-/blob/main/docs/README.backporter.md) - [Report an issue](https://gitlab.com/cki-project/kernel-workflow/-/issues/new?issue%5Btitle%5D=backporter%20webhook%20issue)</small>

Approved-by: Hangbin Liu <haliu@redhat.com>
Approved-by: Florian Westphal <fwestpha@redhat.com>
Approved-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: Jan Stancek <jstancek@redhat.com>

Author: jstancek

tools/testing/selftests/drivers/net/mlxsw/sch_ets.sh

@@ -21,6 +21,7 @@ switch_create()
 	# Create a bottleneck so that the DWRR process can kick in.
 	tc qdisc replace dev $swp2 root handle 3: tbf rate 1gbit \
 		burst 128K limit 1G
+	defer tc qdisc del dev $swp2 root handle 3:
 
 	ets_switch_create
 
@@ -30,37 +31,34 @@ switch_create()
 	# for the DWRR process.
 	devlink_port_pool_th_save $swp1 0
 	devlink_port_pool_th_set $swp1 0 12
+	defer devlink_port_pool_th_restore $swp1 0
+
 	devlink_tc_bind_pool_th_save $swp1 0 ingress
 	devlink_tc_bind_pool_th_set $swp1 0 ingress 0 12
+	defer devlink_tc_bind_pool_th_restore $swp1 0 ingress
+
 	devlink_port_pool_th_save $swp2 4
 	devlink_port_pool_th_set $swp2 4 12
+	defer devlink_port_pool_th_restore $swp2 4
+
 	devlink_tc_bind_pool_th_save $swp2 7 egress
 	devlink_tc_bind_pool_th_set $swp2 7 egress 4 5
+	defer devlink_tc_bind_pool_th_restore $swp2 7 egress
+
 	devlink_tc_bind_pool_th_save $swp2 6 egress
 	devlink_tc_bind_pool_th_set $swp2 6 egress 4 5
+	defer devlink_tc_bind_pool_th_restore $swp2 6 egress
+
 	devlink_tc_bind_pool_th_save $swp2 5 egress
 	devlink_tc_bind_pool_th_set $swp2 5 egress 4 5
+	defer devlink_tc_bind_pool_th_restore $swp2 5 egress
 
 	# Note: sch_ets_core.sh uses VLAN ingress-qos-map to assign packet
 	# priorities at $swp1 based on their 802.1p headers. ingress-qos-map is
 	# not offloaded by mlxsw as of this writing, but the mapping used is
 	# 1:1, which is the mapping currently hard-coded by the driver.
 }
 
-switch_destroy()
-{
-	devlink_tc_bind_pool_th_restore $swp2 5 egress
-	devlink_tc_bind_pool_th_restore $swp2 6 egress
-	devlink_tc_bind_pool_th_restore $swp2 7 egress
-	devlink_port_pool_th_restore $swp2 4
-	devlink_tc_bind_pool_th_restore $swp1 0 ingress
-	devlink_port_pool_th_restore $swp1 0
-
-	ets_switch_destroy
-
-	tc qdisc del dev $swp2 root handle 3:
-}
-
 # Callback from sch_ets_tests.sh
 collect_stats()
 {