new file mode 100755
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
+#
+# Script that checks that SFQ rejects a limit of 1 at the kernel
+# level. We can't use iproute2's tc because it does not accept a limit
+# of 1.
+
+import sys
+import os
+
+from pyroute2 import IPRoute
+from pyroute2.netlink.exceptions import NetlinkError
+
+ip = IPRoute()
+ifidx = ip.link_lookup(ifname=sys.argv[1])
+
+try:
+ ip.tc('add', 'sfq', ifidx, limit=1)
+ sys.exit(1)
+except NetlinkError:
+ sys.exit(0)
@@ -208,5 +208,25 @@
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
+ },
+ {
+ "id": "4d6f",
+ "name": "Check that limit of 1 is rejected",
+ "category": [
+ "qdisc",
+ "sfq"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "./scripts/sfq_rejects_limit_1.py $DUMMY",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "sfq",
+ "matchCount": "0",
+ "teardown": [
+ ]
}
]
Add test to check that the kernel rejects a configuration with the limit set to 1. Signed-off-by: Octavian Purdila <tavip@google.com> --- .../tc-testing/scripts/sfq_rejects_limit_1.py | 21 +++++++++++++++++++ .../tc-testing/tc-tests/qdiscs/sfq.json | 20 ++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100755 tools/testing/selftests/tc-testing/scripts/sfq_rejects_limit_1.py