selftests: tc-testing: check if 'jq' is available in taprio tests

If 'jq' is not available the taprio tests might enter an infinite loop,
use the "dependsOn" feature from tdc to check if jq is present. If it's
not the test is skipped.

Suggested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/20240124181933.75724-3-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json
index 2d603ef2e375c13ab5c4aa7df09b09ea0217ae6c..12da0a939e3e5f2461eadb48883d4e0d024f7e34 100644 (file)
--- a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json
@@ -167,6 +167,7 @@
         "plugins": {
             "requires": "nsPlugin"
         },
+        "dependsOn": "echo '' | jq",
         "setup": [
             "echo \"1 1 8\" > /sys/bus/netdevsim/new_device",
             "$TC qdisc replace dev $ETH handle 8001: parent root stab overhead 24 taprio num_tc 8 map 0 1 2 3 4 5 6 7 queues 1@0 1@1 1@2 1@3 1@4 1@5 1@6 1@7 base-time 0 sched-entry S ff 20000000 clockid CLOCK_TAI",
@@ -192,6 +193,7 @@
         "plugins": {
             "requires": "nsPlugin"
         },
+        "dependsOn": "echo '' | jq",
         "setup": [
             "echo \"1 1 8\" > /sys/bus/netdevsim/new_device",
             "$TC qdisc replace dev $ETH handle 8001: parent root stab overhead 24 taprio num_tc 8 map 0 1 2 3 4 5 6 7 queues 1@0 1@1 1@2 1@3 1@4 1@5 1@6 1@7 base-time 0 sched-entry S ff 20000000 flags 0x2",