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| author |   Hanoh Haim <hhaim@cisco.com> | 2016-09-26 17:51:38 +0300 |
|---|---|---|
| committer | Hanoh Haim <hhaim@cisco.com> | 2016-09-26 17:52:04 +0300 |
| commit | 9ff1f808edcc9289d297b3a6cf34b1e5590ecf85 (patch) | |
| tree | 913cab781ba05be44502729909c49f3b1ee31bc7 /scripts/automation/trex_control_plane/doc_stl | |
| parent | e3c6ee9f99d5df4f1eae50f694efc609ea3c91ac (diff) | |
update stl doc
Diffstat (limited to 'scripts/automation/trex_control_plane/doc_stl')
| -rwxr-xr-x | scripts/automation/trex_control_plane/doc_stl/api/field_engine.rst | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/scripts/automation/trex_control_plane/doc_stl/api/field_engine.rst b/scripts/automation/trex_control_plane/doc_stl/api/field_engine.rst index 39afa38b..a6e624c1 100755 --- a/scripts/automation/trex_control_plane/doc_stl/api/field_engine.rst +++ b/scripts/automation/trex_control_plane/doc_stl/api/field_engine.rst @@ -147,6 +147,13 @@ STLVmTupleGen :members: :member-order: bysource +STLVmFlowVarRepetableRandom +---------------------------- + +.. autoclass:: trex_stl_lib.trex_stl_packet_builder_scapy.STLVmFlowVarRepetableRandom + :members: + :member-order: bysource + Field Engine snippet @@ -199,3 +206,32 @@ Field Engine snippet ) +.. code-block:: python + + # FE Example3 + + + #IP dest would have 10 random values betwean 48.0.0.1 48.0.0.255 + + 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=10, seed=0x1235), + + 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 + ); + + |