netdev - [PATCH net-next 2/3] tc-testing: add support for sending various scapy packets

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Message-Id: <cfec7c2cc6538ee45c34f07beae3973b2425d113.1624373870.git.marcelo.leitner@gmail.com>
Date:   Tue, 22 Jun 2021 12:05:01 -0300
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     netdev@...r.kernel.org
Cc:     dcaratti@...hat.com, Jamal Hadi Salim <jhs@...atatu.com>
Subject: [PATCH net-next 2/3] tc-testing: add support for sending various scapy packets

It can be worth sending different scapy packets on a given test, as in the
last patch of this series. For that, lets listify the scapy attribute and
simply iterate over it.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
---
 .../tc-testing/plugin-lib/scapyPlugin.py      | 42 ++++++++++---------
 1 file changed, 23 insertions(+), 19 deletions(-)

diff --git a/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py b/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py
index a7b21658af9b463cef8c9b3d4023f222426f239b..254136e3da5ac401adb5bf91b92b3a6ae3cda042 100644
--- a/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py
+++ b/tools/testing/selftests/tc-testing/plugin-lib/scapyPlugin.py
@@ -29,22 +29,26 @@ class SubPlugin(TdcPlugin):
             return
 
         # Check for required fields
-        scapyinfo = self.args.caseinfo['scapy']
-        scapy_keys = ['iface', 'count', 'packet']
-        missing_keys = []
-        keyfail = False
-        for k in scapy_keys:
-            if k not in scapyinfo:
-                keyfail = True
-                missing_keys.append(k)
-        if keyfail:
-            print('{}: Scapy block present in the test, but is missing info:'
-                .format(self.sub_class))
-            print('{}'.format(missing_keys))
-
-        pkt = eval(scapyinfo['packet'])
-        if '$' in scapyinfo['iface']:
-            tpl = Template(scapyinfo['iface'])
-            scapyinfo['iface'] = tpl.safe_substitute(NAMES)
-        for count in range(scapyinfo['count']):
-            sendp(pkt, iface=scapyinfo['iface'])
+        lscapyinfo = self.args.caseinfo['scapy']
+        if type(lscapyinfo) != list:
+            lscapyinfo = [ lscapyinfo, ]
+
+        for scapyinfo in lscapyinfo:
+            scapy_keys = ['iface', 'count', 'packet']
+            missing_keys = []
+            keyfail = False
+            for k in scapy_keys:
+                if k not in scapyinfo:
+                    keyfail = True
+                    missing_keys.append(k)
+            if keyfail:
+                print('{}: Scapy block present in the test, but is missing info:'
+                    .format(self.sub_class))
+                print('{}'.format(missing_keys))
+
+            pkt = eval(scapyinfo['packet'])
+            if '$' in scapyinfo['iface']:
+                tpl = Template(scapyinfo['iface'])
+                scapyinfo['iface'] = tpl.safe_substitute(NAMES)
+            for count in range(scapyinfo['count']):
+                sendp(pkt, iface=scapyinfo['iface'])
-- 
2.31.1