From 39aae628670e2f0e6d1df2a3a87c7618b0099a1c Mon Sep 17 00:00:00 2001
From: Lukas Prause <lukas.prause@ikt.uni-hannover.de>
Date: Tue, 8 Nov 2022 15:09:11 +0100
Subject: [PATCH] Adds tso and a lager guradspace for iperf measurements.

---
 measurement_main.py | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/measurement_main.py b/measurement_main.py
index a7bdf54..7f302a5 100755
--- a/measurement_main.py
+++ b/measurement_main.py
@@ -192,6 +192,10 @@ def is_tcp_probe_enabled():
     )
 
 
+def disable_tso(interface):
+    os.system("ethtool -K {} tx off sg off tso off".format(interface))
+
+
 def enable_tcp_probe():
     os.system("echo '1' > /sys/kernel/debug/tracing/events/tcp/tcp_probe/enable")
 
@@ -339,6 +343,7 @@ class Server:
         sleep(2)
         ws_filter = ""
         congestion_control_index = 0
+
         if server_is_sender:
             # server sends
             if not is_tcp_probe_enabled():
@@ -441,7 +446,7 @@ class Server:
                     "--one-off",
                 ]
                 subprocess.call(iperf_command)
-                sleep(2)
+                sleep(10)
                 processHandler.kill_all()
                 congestion_control_index = (congestion_control_index + 1) % len(
                     tcp_algo
@@ -889,7 +894,7 @@ class Client:
                 congestion_control_index = (congestion_control_index + 1) % len(
                     tcp_algo
                 )
-                sleep(4)
+                sleep(12)
 
     def cbr(self):
         bitrate = "1M"
@@ -1198,6 +1203,8 @@ if __name__ == "__main__":
 
     args = parser.parse_args()
 
+    disable_tso(args.interface)
+
     if args.server:
         asyncio.run(start_server(args))
     elif args.client is not None: