Perf: NAT44 endpoint-dependent mode - udp, part I

- continuation of https://gerrit.fd.io/r/c/csit/+/26898 as there was
reached limit of changes (1000)

Jira: CSIT-1711

- udp synthetic profiles w/o data packets
- udp cps perf tests, phase I (no special "search cps" KW)

Part I means that we are using MRR tests to collect traffic data
until there is ready new CPS test type with corresponding algorithm.

Change-Id: I0d30feb9ecf1d0bff937152656f8eb422f831378
Signed-off-by: Jan Gelety <jgelety@cisco.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/GPL/traffic_profiles/trex/trex-astf-ethip4udp-1024h.py b/GPL/traffic_profiles/trex/trex-astf-ethip4udp-1024h.py
index a010fe1613..c2a004bc52 100644
--- a/GPL/traffic_profiles/trex/trex-astf-ethip4udp-1024h.py
+++ b/GPL/traffic_profiles/trex/trex-astf-ethip4udp-1024h.py
@@ -53,6 +53,9 @@ class TrafficProfile(TrafficProfileBaseClass):
         # Headers length
         self.headers_size = 42  # 14B l2 + 20B ipv4 + 8B udp
 
+        # Required UDP keepalive value for T-Rex
+        self.udp_keepalive = 2000  # 2s (2,000 msec)
+
     def define_profile(self):
         """Define profile to be used by advanced stateful traffic generator.
 
@@ -67,12 +70,22 @@ class TrafficProfile(TrafficProfileBaseClass):
 
         # client commands
         prog_c = ASTFProgram(stream=False)
-        prog_c.send_msg(self.udp_req)  # size and fill not supported in v2.73
+        # set the keepalive timer for UDP flows to not close udp session
+        # immediately after packet exchange
+        prog_c.set_keepalive_msg(self.udp_keepalive)
+        # send REQ message
+        prog_c.send_msg(self.udp_req)
+        # receive RES message
         prog_c.recv_msg(1)
 
         # server commands
         prog_s = ASTFProgram(stream=False)
+        # set the keepalive timer for UDP flows to not close udp session
+        # immediately after packet exchange
+        prog_c.set_keepalive_msg(self.udp_keepalive)
+        # receive REQ message
         prog_s.recv_msg(1)
+        # send RES message
         prog_s.send_msg(self.udp_res)
 
         # ip generators