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Diffstat (limited to 'GPL/traffic_profiles/trex/trex-stl-ethip6-ip6dst10000-rnd.py')
| -rw-r--r-- | GPL/traffic_profiles/trex/trex-stl-ethip6-ip6dst10000-rnd.py | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/GPL/traffic_profiles/trex/trex-stl-ethip6-ip6dst10000-rnd.py b/GPL/traffic_profiles/trex/trex-stl-ethip6-ip6dst10000-rnd.py new file mode 100644 index 0000000000..0e335909f4 --- /dev/null +++ b/GPL/traffic_profiles/trex/trex-stl-ethip6-ip6dst10000-rnd.py @@ -0,0 +1,142 @@ +# Copyright (c) 2021 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: + - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time. + - Packet: ETH / IPv6 / + - Direction 0 --> 1: + - Source IP address range: 2001:1::1 + - Destination IP address range: 2001:2::0 - 2001:2::270F + - Direction 1 --> 0: + - Source IP address range: 2001:2::1 + - Destination IP address range: 2001:1::0 - 2001:1::270F +""" + +from trex.stl.api import * +from profile_trex_stateless_base_class import TrafficStreamsBaseClass + + +class TrafficStreams(TrafficStreamsBaseClass): + """Stream profile.""" + + def __init__(self): + """Initialization and setting of streams' parameters.""" + + super(TrafficStreamsBaseClass, self).__init__() + + # IPs used in packet headers. + self.p1_src_start_ip = u"2001:1::1" + self.p1_dst_start_ip = u"2001:2::0" + self.p1_dst_end_ip = u"2001:2::270F" + + self.p2_src_start_ip = u"2001:2::1" + self.p2_dst_start_ip = u"2001:1::0" + self.p2_dst_end_ip = u"2001:1::270F" + + def define_packets(self): + """Defines the packets to be sent from the traffic generator. + + Packet definition: | ETH | IPv6 | + + :returns: Packets to be sent from the traffic generator. + :rtype: tuple + """ + + base_p1, count_p1 = self._get_start_end_ipv6( + self.p1_dst_start_ip, + self.p1_dst_end_ip + ) + base_p2, count_p2 = self._get_start_end_ipv6( + self.p2_dst_start_ip, + self.p2_dst_end_ip + ) + + # Direction 0 --> 1 + base_pkt_a = ( + Ether() / + IPv6( + src=self.p1_src_start_ip, + dst=self.p1_dst_start_ip + ) + ) + # Direction 1 --> 0 + base_pkt_b = ( + Ether() / + IPv6( + src=self.p2_src_start_ip, + dst=self.p2_dst_start_ip + ) + ) + + # Direction 0 --> 1 + vm1 = STLScVmRaw( + [ + STLVmFlowVarRepeatableRandom( + name=u"ipv6_dst", + min_value=base_p1, + max_value=base_p1 + count_p1, + size=8, + seed=1, + # Cycle length. TRex does not allow any higher value. + limit=(2**24 - 1) + ), + STLVmWrFlowVar( + fv_name=u"ipv6_dst", + pkt_offset=u"IPv6.dst", + offset_fixup=8 + ) + ] + ) + # Direction 1 --> 0 + vm2 = STLScVmRaw( + [ + STLVmFlowVarRepeatableRandom( + name=u"ipv6_dst", + min_value=base_p2, + max_value=base_p2 + count_p2, + size=8, + seed=2, + limit=(2**24 - 1) + ), + STLVmWrFlowVar( + fv_name=u"ipv6_dst", + pkt_offset=u"IPv6.dst", + offset_fixup=8 + ) + ] + ) + + return base_pkt_a, base_pkt_b, vm1, vm2 + + +def register(): + """Register this traffic profile to T-rex. + + Do not change this function. + + :return: Traffic streams. + :rtype: Object + """ + return TrafficStreams() |