feat(trex): cleanup t-rex profiles

Signed-off-by: pmikus <peter.mikus@protonmail.ch>
Change-Id: Ib93dc1552945fe91ab5346b9b759d56c7468debf

1 files changed, 231 insertions, 0 deletions

diff --git a/GPL/traffic_profiles/trex/trex-stl-ethip4-geneve-4t.py b/GPL/traffic_profiles/trex/trex-stl-ethip4-geneve-4t.py
new file mode 100644
index 0000000000..06616e18ec
--- /dev/null
+++ b/GPL/traffic_profiles/trex/trex-stl-ethip4-geneve-4t.py
@@ -0,0 +1,231 @@
+# 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:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Direction 0 --> 1:
+   - Packet: ETH / IP
+   - Source IP address range:            10.128.1.0 - 10.128.4.255
+   - Destination IP address range:       10.0.1.0 - 10.0.4.255
+ - Direction 1 --> 0:
+   - Packet: ETH / IP / UDP / GENEVE / ETH / IP
+   - Outer Source IP address range:      1.1.1.1
+   - Outer Destination IP address range: 1.1.1.2
+   - Inner Source IP address range:      10.0.1.0 - 10.0.4.255
+   - Inner Destination IP address range: 10.128.1.0 - 10.128.4.255
+   - Source UDP port range:              1024 - 2047
+   - Destination UDP port range:         6081
+"""
+
+from ctypes import c_int
+from ipaddress import IPv4Address
+
+from scapy.contrib.geneve import GENEVE
+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__()
+
+        # Nr. of GENEVE tunnels
+        self.n_tunnels = 4
+        # VNIs used in GENEVE headers of Direction 1 --> 0.
+        self.p2_geneve_start_vni = 1
+
+        # IPs used in packet headers of Direction 0 --> 1.
+        self.p1_src_start_ip = u"10.128.1.0"
+        self.p1_dst_start_ip = u"10.0.1.0"
+
+        # IPs used in packet headers of Direction 1 --> 0.
+        self.p2_outer_src_ip = u"1.1.1.1"
+        self.p2_outer_dst_ip = u"1.1.1.2"
+
+        self.p2_inner_src_start_ip = u"10.0.1.0"
+        self.p2_inner_dst_start_ip = u"10.128.1.0"
+
+        # MACs used in inner ethernet header of Direction 1 --> 0.
+        self.p2_inner_dst_mac = u"d0:0b:ee:d0:00:00"
+
+        # UDP ports used in packet headers of Direction 1 --> 0.
+        self.p2_udp_sport_start = 1024
+        self.p2_udp_dport = 6081
+
+    def define_packets(self):
+        """Defines the packets to be sent from the traffic generator.
+
+        Packet definition: | ETH | IP | UDP |
+
+        :returns: Packets to be sent from the traffic generator.
+        :rtype: tuple
+        """
+        p1_src_start_ip_int = int(IPv4Address(self.p1_src_start_ip))
+        p1_dst_start_ip_int = int(IPv4Address(self.p1_dst_start_ip))
+        p2_inner_src_start_ip_int = int(IPv4Address(self.p2_inner_src_start_ip))
+        p2_inner_dst_start_ip_int = int(IPv4Address(self.p2_inner_dst_start_ip))
+
+        # Direction 0 --> 1
+        base_pkt_a = (
+            Ether() /
+            IP(
+                src=self.p1_src_start_ip,
+                dst=self.p1_dst_start_ip,
+                proto=61
+            )
+        )
+        # Direction 1 --> 0
+        base_pkt_b = (
+            Ether() /
+            IP(
+                src=self.p2_outer_src_ip,
+                dst=self.p2_outer_dst_ip,
+                proto=17
+            ) /
+            UDP(
+                sport=self.p2_udp_sport_start,
+                dport=self.p2_udp_dport
+            ) /
+            GENEVE(vni=self.p2_geneve_start_vni) /
+            Ether(dst=self.p2_inner_dst_mac) /
+            IP(
+                src=self.p2_inner_src_start_ip,
+                dst=self.p2_inner_dst_start_ip,
+                proto=61
+            )
+        )
+        base_pkt_b /= Raw(load=self._gen_payload(110 - len(base_pkt_b)))
+        # Direction 0 --> 1
+        vm1 = STLScVmRaw(
+            [
+                STLVmFlowVar(
+                    name=u"ip_src",
+                    min_value=p1_src_start_ip_int,
+                    max_value=p1_src_start_ip_int + self.n_tunnels * 256 - 1,
+                    size=4,
+                    op=u"inc"
+                ),
+                STLVmWrFlowVar(
+                    fv_name=u"ip_src",
+                    pkt_offset=u"IP.src"
+                ),
+                STLVmFlowVar(
+                    name=u"ip_dst",
+                    min_value=p1_dst_start_ip_int,
+                    max_value=p1_dst_start_ip_int + self.n_tunnels * 256 - 1,
+                    size=4,
+                    op=u"inc"
+                ),
+                STLVmWrFlowVar(
+                    fv_name=u"ip_dst",
+                    pkt_offset=u"IP.dst"
+                ),
+                STLVmFixIpv4(
+                    offset=u"IP"
+                )
+            ]
+        )
+        # Direction 1 --> 0
+        vm2 = STLScVmRaw(
+            [
+                STLVmFlowVar(
+                    name=u"ip",
+                    min_value=0,
+                    max_value=self.n_tunnels * 256 - 1,
+                    size=4,
+                    op=u"inc"
+                ),
+                STLVmWrMaskFlowVar(
+                    fv_name=u"ip",
+                    pkt_cast_size=4,
+                    mask=0xffffffff,
+                    add_value=p2_inner_src_start_ip_int,
+                    pkt_offset=u"IP:1.src"
+                ),
+                STLVmWrMaskFlowVar(
+                    fv_name=u"ip",
+                    pkt_cast_size=4,
+                    mask=0xffffffff,
+                    add_value=p2_inner_dst_start_ip_int,
+                    pkt_offset=u"IP:1.dst"
+                ),
+                STLVmWrMaskFlowVar(
+                    fv_name=u"ip",
+                    pkt_cast_size=2,
+                    mask=0xffff,
+                    add_value=self.p2_udp_sport_start,
+                    pkt_offset=u"UDP.sport"
+                ),
+                STLVmWrMaskFlowVar(
+                    fv_name=u"ip",
+                    pkt_cast_size=4,
+                    mask=0xffffff00,
+                    add_value=(self.p2_geneve_start_vni << 8),
+                    pkt_offset=u"GENEVE.vni"
+                ),
+                STLVmWrMaskFlowVar(
+                    fv_name=u"ip",
+                    pkt_cast_size=4,
+                    mask=0xffffff,
+                    shift=-8,
+                    offset_fixup=2,
+                    add_value=c_int(
+                        int(
+                            self.p2_inner_dst_mac.replace(u":", u"")[6:12], 16
+                        ) << 8
+                    ).value,
+                    pkt_offset=u"Ether:1.dst"
+                ),
+                STLVmFixIpv4(
+                    offset=u"IP:1"
+                ),
+                STLVmFixIpv4(
+                    offset=u"IP"
+                ),
+                STLVmFixChecksumHw(
+                    l3_offset=u"IP",
+                    l4_offset=u"UDP",
+                    l4_type=CTRexVmInsFixHwCs.L4_TYPE_UDP
+                )
+            ]
+        )
+
+        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()