add repetable_random example profile

4 files changed, 65 insertions, 4 deletions

diff --git a/scripts/automation/regression/functional_tests/stl_basic_tests.py b/scripts/automation/regression/functional_tests/stl_basic_tests.py
index 39f42e7d..5af1e4de 100644
--- a/scripts/automation/regression/functional_tests/stl_basic_tests.py
+++ b/scripts/automation/regression/functional_tests/stl_basic_tests.py
@@ -222,7 +222,7 @@ class CStlBasic_Test(functional_general_test.CGeneralFunctional_Test):
 
 
     def test_stl_profiles (self):
-        p = [
+        p1 = [
              ["udp_1pkt_1mac_override.py","-m 1 -l 50",True],
              ["syn_attack.py","-m 1 -l 50",True],               
              ["udp_1pkt_1mac.py","-m 1 -l 50",True],
@@ -271,14 +271,14 @@ class CStlBasic_Test(functional_general_test.CGeneralFunctional_Test):
              ["udp_1pkt_simple_test.py","-m 1 -l 10 ",True, False],
              ["udp_1pkt_mac_mask5.py","-m 1 -l 30 ",True],
              ["udp_1pkt_range_clients_split_garp.py","-m 1 -l 50",True],
-             ["udp_1pkt_src_ip_split.py","-m 1 -l 50 --cores 2",True]
+             ["udp_1pkt_src_ip_split.py","-m 1 -l 50 --cores 2",True],
+             ["udp_1pkt_repeat_random.py","-m 1 -l 50",True],
 
 
           ];
 
 
-        #p  = [ ["udp_1pkt_src_ip_split.py","-m 1 -l 50",True] ]
-        #p  = [ ["udp_1pkt_src_ip_split.py","-m 1 -l 50 --cores 2",True] ]
+        p  = [ ["udp_1pkt_repeat_random.py","-m 1 -l 50",True] ]
 
 
         for obj in p:
diff --git a/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_streams.py b/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_streams.py
index bfcf063a..f9694105 100755
--- a/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_streams.py
+++ b/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_streams.py
@@ -625,6 +625,9 @@ class STLStream(object):
                 inst['ip_min'] = ltoa(inst['ip_min'])
                 inst['ip_max'] = ltoa(inst['ip_max'])
                 vm_list.append("STLVmTupleGen(name='{name}', ip_min='{ip_min}', ip_max='{ip_max}', port_min={port_min}, port_max={port_max}, limit_flows={limit_flows}, flags={flags})".format(**inst))
+            elif inst['type'] == 'flow_var_rand_limit':
+                vm_list.append("STLVmFlowVarRepetableRandom(name='{name}', size={size}, limit={limit}, seed={seed}, min_value={min_value}, max_value={max_value})".format(**inst))
+
         vm_code = 'vm = STLScVmRaw([' + ',\n                 '.join(vm_list) + '], split_by_field = %s)' % STLStream.__add_quotes(self.fields['vm'].get('split_by_var'))
         stream_params_list = []
         stream_params_list.append('packet = STLPktBuilder(pkt = packet, vm = vm)')
diff --git a/scripts/exp/udp_1pkt_repeat_random.pcap b/scripts/exp/udp_1pkt_repeat_random.pcap
new file mode 100644
index 00000000..33c5a085
--- /dev/null
+++ b/scripts/exp/udp_1pkt_repeat_random.pcap
diff --git a/scripts/stl/udp_1pkt_repeat_random.py b/scripts/stl/udp_1pkt_repeat_random.py
new file mode 100644
index 00000000..8149f263
--- /dev/null
+++ b/scripts/stl/udp_1pkt_repeat_random.py
@@ -0,0 +1,58 @@
+from trex_stl_lib.api import *
+
+# Example of STLVmFlowVarRepetableRandom instruction. 
+# in this case it generate repetable random numbers with limit/seed
+
+class STLS1(object):
+
+    def __init__ (self):
+        self.fsize  =64;
+
+    def create_stream (self, direction, cache_size):
+        # Create base packet and pad it to size
+        size = self.fsize - 4; # HW will add 4 bytes ethernet FCS
+        src_ip = '16.0.0.1'
+        dst_ip = '48.0.0.1'
+        if direction:
+            src_ip, dst_ip = dst_ip, src_ip
+
+        base_pkt = Ether()/IP(src=src_ip,dst=dst_ip)/UDP(dport=12,sport=1025)
+
+        pad = max(0, size - len(base_pkt)) * 'x'
+                             
+        vm = STLScVmRaw( [   STLVmFlowVar ( "ip_src",  min_value="10.0.0.1",
+                                            max_value="10.0.0.255", size=4, step=1,op="inc"),
+                             STLVmFlowVarRepetableRandom ( "ip_dst",  
+                                                           min_value="48.0.0.1",
+                                                           max_value="48.0.0.255", 
+                                                           size=4, 
+                                                           limit=5, seed=0x1234),
+
+                             STLVmWrFlowVar (fv_name="ip_src", pkt_offset= "IP.src" ), # write ip to packet IP.src
+                             STLVmWrFlowVar (fv_name="ip_dst", pkt_offset= "IP.dst" ), # write ip to packet IP.dst
+
+                             STLVmFixIpv4(offset = "IP")                                # fix checksum
+                                  ]
+                              ,split_by_field = "ip_src"  # split to cores base on the tuple generator 
+                              ,cache_size = cache_size # the cache size
+                              );
+
+        pkt = STLPktBuilder(pkt = base_pkt/pad,
+                            vm = vm)
+        stream = STLStream(packet = pkt,
+                         mode = STLTXCont())
+        #print(stream.to_code())
+        return stream
+
+
+    def get_streams (self, direction = 0, cache_size = 255, **kwargs):
+        # create 1 stream 
+        return [ self.create_stream(direction, cache_size) ]
+
+
+# dynamic load - used for trex console or simulator
+def register():
+    return STLS1()
+
+
+