diff options
Diffstat (limited to 'GPL')
| -rw-r--r-- | GPL/tools/trex/trex_stl_profile.py | 55 | ||||
| -rw-r--r-- | GPL/traffic_profiles/trex/profile_trex_stateless_scale_class.py | 196 | ||||
| -rw-r--r-- | GPL/traffic_profiles/trex/trex-stl-ethip4-ip4dst10000p3.py | 135 |
3 files changed, 359 insertions, 27 deletions
diff --git a/GPL/tools/trex/trex_stl_profile.py b/GPL/tools/trex/trex_stl_profile.py index c318674899..ac53e90571 100644 --- a/GPL/tools/trex/trex_stl_profile.py +++ b/GPL/tools/trex/trex_stl_profile.py @@ -74,8 +74,7 @@ def simple_burst( duration, framesize, rate, - port_0, - port_1, + ports, latency, async_start=False, traffic_directions=2, @@ -103,8 +102,7 @@ def simple_burst( :param framesize: Frame size. :param duration: Duration of traffic run in seconds (-1=infinite). :param rate: Traffic rate [percentage, pps, bps]. - :param port_0: Port 0 on the traffic generator. - :param port_1: Port 1 on the traffic generator. + :param ports: Port list on the traffic generator. :param latency: With latency stats. :param async_start: Start the traffic and exit. :param traffic_directions: Bidirectional (2) or unidirectional (1) traffic. @@ -114,8 +112,7 @@ def simple_burst( :type framesize: int or str :type duration: float :type rate: str - :type port_0: int - :type port_1: int + :type ports: list :type latency: bool :type async_start: bool :type traffic_directions: int @@ -153,38 +150,47 @@ def simple_burst( if "macsrc" in profile_file: client.set_port_attr(promiscuous=True) if isinstance(framesize, int): - last_stream_a = int((len(streams) - 2) / 2) - last_stream_b = (last_stream_a * 2) - client.add_streams(streams[0:last_stream_a], ports=[port_0]) + mark_a = len(streams) // 4 + mark_b = len(streams) // 2 + for i,j in zip(streams[:mark_a], ports[::2]): + client.add_streams(streams=[i], ports=[j]) if traffic_directions > 1: - client.add_streams( - streams[last_stream_a:last_stream_b], ports=[port_1]) + for i,j in zip(streams[mark_a:mark_b], ports[1::2]): + print(i, j) + client.add_streams(streams=[i], ports=[j]) elif isinstance(framesize, str): - client.add_streams(streams[0:3], ports=[port_0]) + mark = 0 + for i in ports[::2]: + client.add_streams(streams=streams[mark:mark+3], ports=[i]) + mark = mark + 3 if traffic_directions > 1: - client.add_streams(streams[3:6], ports=[port_1]) + mark = len(streams) // 2 + for i in ports[1::2]: + client.add_streams(streams=streams[mark:mark+3], ports=[i]) + mark = mark + 3 if latency: try: if isinstance(framesize, int): - client.add_streams(streams[last_stream_b], ports=[port_0]) + mark_c = len(streams) // 2 + mark_d = len(streams) // 2 + len(streams) // 4 + for i,j in zip(streams[mark_c:mark_d], ports[::2]): + client.add_streams(streams=[i], ports=[j]) if traffic_directions > 1: - client.add_streams( - streams[last_stream_b + 1], ports=[port_1]) + for i,j in zip(streams[mark_d:], ports[1::2]): + client.add_streams(streams=[i], ports=[j]) elif isinstance(framesize, str): latency = False except STLError: # Disable latency if NIC does not support requested stream type print("##### FAILED to add latency streams #####") latency = False - # Even for unidir, both ports are needed to see both rx and tx. - ports = [port_0, port_1] # Clear the stats before injecting: client.clear_stats() # Choose rate and start traffic: client.start( - ports=ports[:traffic_directions], + ports=ports[::] if traffic_directions == 2 else ports[::2], mult=rate, duration=duration, force=force, @@ -286,12 +292,8 @@ def main(): help="Traffic rate with included units (pps)." ) parser.add_argument( - "--port_0", required=True, type=int, - help="Port 0 on the traffic generator." - ) - parser.add_argument( - "--port_1", required=True, type=int, - help="Port 1 on the traffic generator." + "--ports", required=True, type=int, nargs="+", + help="Port list on the traffic generator." ) parser.add_argument( "--async_start", action="store_true", default=False, @@ -326,8 +328,7 @@ def main(): duration=args.duration, framesize=framesize, rate=args.rate, - port_0=args.port_0, - port_1=args.port_1, + ports=args.ports, latency=args.latency, async_start=args.async_start, traffic_directions=args.traffic_directions, diff --git a/GPL/traffic_profiles/trex/profile_trex_stateless_scale_class.py b/GPL/traffic_profiles/trex/profile_trex_stateless_scale_class.py new file mode 100644 index 0000000000..33cf090da2 --- /dev/null +++ b/GPL/traffic_profiles/trex/profile_trex_stateless_scale_class.py @@ -0,0 +1,196 @@ +# Copyright (c) 2023 Cisco and/or its affiliates. +# +# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later +# +# Licensed under the Apache License 2.0 or +# GNU General Public License v2.0 or later; you may not use this file +# except in compliance with one of these Licenses. You +# may obtain a copy of the Licenses at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html +# +# Note: If this file is linked with Scapy, which is GPLv2+, your use of it +# must be under GPLv2+. If at any point in the future it is no longer linked +# with Scapy (or other GPLv2+ licensed software), you are free to choose +# Apache 2. +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Base class for stream profiles for T-rex traffic generator. +""" + +import socket +import struct + +from random import choice +from string import ascii_letters + +from trex.stl.api import * + + +class TrafficStreamsScaleClass: + """Base class for stream profiles for T-rex traffic generator.""" + + STREAM_TABLE = { + "IMIX_v4": [ + {"size": 60, "pps": 28, "isg": 0}, + {"size": 590, "pps": 20, "isg": 0.1}, + {"size": 1514, "pps": 4, "isg": 0.2} + ], + "IMIX_v4_1": [ + {"size": 64, "pps": 28, "isg": 0}, + {"size": 570, "pps": 16, "isg": 0.1}, + {"size": 1518, "pps": 4, "isg": 0.2} + ] + } + + def __init__(self): + # Default value of frame size, it will be overwritten by the value of + # "framesize" parameter of "get_streams" method. + self.framesize = 64 + + # If needed, add your own parameters. + + def _gen_payload(self, length): + """Generate payload. + + If needed, implement your own algorithm. + + :param length: Length of generated payload. + :type length: int + :returns: The generated payload. + :rtype: str + """ + payload = "" + for _ in range(length): + payload += choice(ascii_letters) + + return payload + + def _get_start_end_ipv6(self, start_ip, end_ip): + """Get start host and number of hosts from IPv6 as integer. + + :param start_ip: Start IPv6. + :param end_ip: End IPv6. + :type start_ip: string + :type end_ip: string + :return: Start host, number of hosts. + :rtype tuple of int + :raises: ValueError if start_ip is greater then end_ip. + :raises: socket.error if the IP addresses are not valid IPv6 addresses. + """ + try: + ip1 = socket.inet_pton(socket.AF_INET6, start_ip) + ip2 = socket.inet_pton(socket.AF_INET6, end_ip) + + hi1, lo1 = struct.unpack("!QQ", ip1) + hi2, lo2 = struct.unpack("!QQ", ip2) + + if ((hi1 << 64) | lo1) > ((hi2 << 64) | lo2): + raise ValueError("IPv6: start_ip is greater then end_ip") + + return lo1, abs(int(lo1) - int(lo2)) + + except socket.error as err: + print(err) + raise + + def define_packets(self): + """Define the packets to be sent from the traffic generator. + + This method MUST return: + + return base_pkt_a, base_pkt_b, vm1, vm2 + + vm1 and vm2 CAN be None. + + :returns: Packets to be sent from the traffic generator. + :rtype: tuple + """ + raise NotImplementedError + + def create_streams(self): + """Create traffic streams. + + Implement your own traffic streams. + + :returns: Traffic streams. + :rtype: list + """ + pkts, vms = self.define_packets() + + # Frame size is defined as an integer, e.g. 64, 1518: + if isinstance(self.framesize, int): + pkt_streams = list() + lat_streams = list() + for i in range(len(pkts)): + payload_len = max(0, self.framesize - len(pkts[i]) - 4) + + pkt = STLPktBuilder( + pkt=pkts[i] / self._gen_payload(payload_len), + vm=vms[i] + ) + pkt_lat = STLPktBuilder( + pkt=pkts[i] / self._gen_payload(payload_len), + vm=vms[i] + ) + pkt_streams.append( + STLStream( + packet=pkt, + isg=10.0 * (i // (len(pkts) // 2)), + mode=STLTXCont(pps=9000) + ) + ) + lat_streams.append( + STLStream( + packet=pkt_lat, + isg=10.0 * (i // (len(pkts) // 2)), + flow_stats=STLFlowLatencyStats(pg_id=i), + mode=STLTXCont(pps=9000) + ) + ) + + streams = list() + streams.extend(pkt_streams) + streams.extend(lat_streams) + return streams + + # Frame size is defined as a string, e.g.IMIX_v4_1: + elif isinstance(self.framesize, str): + pkt_streams = list() + for i in range(len(pkts)): + for stream in self.STREAM_TABLE[self.framesize]: + payload_len = max(0, stream["size"] - len(pkts[i]) - 4) + + pkt = STLPktBuilder( + pkt=pkts[i] / self._gen_payload(payload_len), + vm=vms[i] + ) + pkt_streams.append( + STLStream( + packet=pkt, + isg=stream["isg"], + mode=STLTXCont(pps=stream["pps"]) + ) + ) + return pkt_streams + + def get_streams(self, **kwargs): + """Get traffic streams created by "create_streams" method. + + If needed, add your own parameters. + + :param kwargs: Key-value pairs used by "create_streams" method while + creating streams. + :returns: Traffic streams. + :rtype: list + """ + self.framesize = kwargs["framesize"] + self.rate = kwargs["rate"] + + return self.create_streams() diff --git a/GPL/traffic_profiles/trex/trex-stl-ethip4-ip4dst10000p3.py b/GPL/traffic_profiles/trex/trex-stl-ethip4-ip4dst10000p3.py new file mode 100644 index 0000000000..01b6e3c55e --- /dev/null +++ b/GPL/traffic_profiles/trex/trex-stl-ethip4-ip4dst10000p3.py @@ -0,0 +1,135 @@ +# Copyright (c) 2023 Cisco and/or its affiliates. +# +# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later +# +# Licensed under the Apache License 2.0 or +# GNU General Public License v2.0 or later; you may not use this file +# except in compliance with one of these Licenses. You +# may obtain a copy of the Licenses at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html +# +# Note: If this file is linked with Scapy, which is GPLv2+, your use of it +# must be under GPLv2+. If at any point in the future it is no longer linked +# with Scapy (or other GPLv2+ licensed software), you are free to choose +# Apache 2. +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Stream profile for T-rex traffic generator. + +Stream profile: + - Three parallel bi-directional streams sent as W --> E and E --> W + at the same time. + - Packet: ETH / IP / +""" + +from trex.stl.api import * +from profile_trex_stateless_scale_class import TrafficStreamsScaleClass + + +class TrafficStreams(TrafficStreamsScaleClass): + """Stream profile.""" + + def __init__(self): + """Initialization and setting of streams' parameters.""" + + super(TrafficStreamsScaleClass, self).__init__() + + self.pkt_data = [ + # Direction W --> E: + { + "src_start_ip": "10.0.0.1", + "dst_start_ip": "20.0.0.0", + "dst_end_ip": "20.0.39.15" + }, + # Direction W --> E: + { + "src_start_ip": "30.0.0.1", + "dst_start_ip": "40.0.0.0", + "dst_end_ip": "40.0.39.15" + }, + # Direction W --> E: + { + "src_start_ip": "50.0.0.1", + "dst_start_ip": "60.0.0.0", + "dst_end_ip": "60.0.39.15" + }, + # Direction E --> W: + { + "src_start_ip": "20.0.0.1", + "dst_start_ip": "10.0.0.0", + "dst_end_ip": "10.0.39.15" + }, + # Direction E --> W: + { + "src_start_ip": "40.0.0.1", + "dst_start_ip": "30.0.0.0", + "dst_end_ip": "30.0.39.15" + }, + # Direction E --> W: + { + "src_start_ip": "60.0.0.1", + "dst_start_ip": "50.0.0.0", + "dst_end_ip": "50.0.39.15" + } + + ] + self.pkt_base = [] + self.pkt_vm = [] + + def define_packets(self): + """Defines the packets to be sent from the traffic generator. + + Packet definition: | ETH | IP | + + :returns: Base packets to be sent and transformation function. + :rtype: tuple + """ + for i in range(len(self.pkt_data)): + self.pkt_base.append( + Ether() / + IP( + src=self.pkt_data[i]["src_start_ip"], + dst=self.pkt_data[i]["dst_start_ip"], + proto=61 + ) + ) + self.pkt_vm.append( + STLScVmRaw( + [ + STLVmFlowVar( + name="dst", + min_value=self.pkt_data[i]["dst_start_ip"], + max_value=self.pkt_data[i]["dst_end_ip"], + size=4, + op="inc" + ), + STLVmWrFlowVar( + fv_name="dst", + pkt_offset="IP.dst" + ), + STLVmFixIpv4( + offset="IP" + ) + ] + ) + ) + + return self.pkt_base, self.pkt_vm + + +def register(): + """Register this traffic profile to T-Rex. + + Do not change this function. + + :return: Traffic streams. + :rtype: Object + """ + return TrafficStreams() |