From e4d12836515765a6f7c6a2f67dbacbdef2975024 Mon Sep 17 00:00:00 2001 From: Matus Fabian Date: Wed, 27 Sep 2017 04:44:08 -0700 Subject: NAT: Add performance testing TRex scripts and config (VPP-832) Change-Id: I149a20f183b836db4c32fb4e4a8438b3a14c1c26 Signed-off-by: Matus Fabian --- src/plugins/nat/extras/nat_ses_open.py | 58 ++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 src/plugins/nat/extras/nat_ses_open.py (limited to 'src/plugins/nat/extras/nat_ses_open.py') diff --git a/src/plugins/nat/extras/nat_ses_open.py b/src/plugins/nat/extras/nat_ses_open.py new file mode 100644 index 00000000000..9f0f77e23f9 --- /dev/null +++ b/src/plugins/nat/extras/nat_ses_open.py @@ -0,0 +1,58 @@ +from trex_stl_lib.api import * + +class STLS1(object): + + def __init__ (self): + self.ip_range = {'local': {'start': "10.0.0.3", 'end': "10.1.255.255"}, + 'external': {'start': "172.16.1.3", 'end': "172.16.1.3"}, + 'remote': {'start': "2.2.0.1", 'end': "2.2.0.1"}} + self.port_range = {'local': {'start': 1025, 'end': 65535}, + 'remote': {'start': 12, 'end': 12}} + + def create_stream (self, vm): + base_pkt = Ether()/IP()/UDP() + + if len(base_pkt) < 64: + pad_len = 64 - len(base_pkt) + pad = Padding() + pad.load = '\x00' * pad_len + base_pkt = base_pkt/pad + + pkt = STLPktBuilder(pkt=base_pkt, vm=vm) + return STLStream(packet=pkt, mode=STLTXCont()) + + def get_streams (self, direction = 0, **kwargs): + if direction == 0: + ip_src = self.ip_range['remote'] + ip_dst = self.ip_range['external'] + src_port = self.port_range['remote'] + dst_port = self.port_range['local'] + else: + ip_src = self.ip_range['local'] + ip_dst = self.ip_range['remote'] + src_port = self.port_range['local'] + dst_port = self.port_range['remote'] + + vm = STLVM() + + vm.var(name="ip_src", min_value=ip_src['start'], max_value=ip_src['end'], size=4, op="random") + vm.var(name="ip_dst", min_value=ip_dst['start'], max_value=ip_dst['end'], size=4, op="random") + vm.var(name="src_port", min_value=src_port['start'], max_value=src_port['end'], size=2, op="random") + vm.var(name="dst_port", min_value=dst_port['start'], max_value=dst_port['end'], size=2, op="random") + + vm.write(fv_name="ip_src", pkt_offset="IP.src") + vm.write(fv_name="ip_dst", pkt_offset="IP.dst") + vm.write(fv_name="src_port", pkt_offset="UDP.sport") + vm.write(fv_name="dst_port", pkt_offset="UDP.dport") + + vm.fix_chksum() + + return [ self.create_stream(vm) ] + + +# dynamic load - used for trex console or simulator +def register(): + return STLS1() + + + -- cgit 1.2.3-korg