1 files changed, 109 insertions, 0 deletions
diff --git a/GPL/traffic_scripts/send_flow_packet.py b/GPL/traffic_scripts/send_flow_packet.py
new file mode 100644
index 0000000000..dba3788bfb
--- /dev/null
+++ b/GPL/traffic_scripts/send_flow_packet.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2021 Intel 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.
+
+"""Traffic script that send flow packet from one interface
+to the other.
+"""
+
+import sys
+import binascii
+
+from scapy.layers.inet import IP, UDP, TCP
+from scapy.layers.inet6 import IPv6
+from scapy.layers.l2 import Ether, ARP
+from scapy.packet import Raw
+from scapy.contrib.gtp import GTP_U_Header
+from scapy.layers.ipsec import ESP, AH
+from scapy.layers.vxlan import VXLAN
+
+from .PacketVerifier import TxQueue
+from .TrafficScriptArg import TrafficScriptArg
+
+
+def main():
+    """Send packet from one traffic generator interface to the other."""
+
+    args = TrafficScriptArg(
+        [
+            u"tg_if1_mac", u"dut_if1_mac", u"flow_type", u"proto",
+        ],
+        [
+            u"src_ip", u"dst_ip", u"src_port", u"dst_port", u"value"
+        ]
+    )
+    tx_if = args.get_arg(u"tx_if")
+    tx_src_mac = args.get_arg(u"tg_if1_mac")
+    tx_dst_mac = args.get_arg(u"dut_if1_mac")
+    flow_type = args.get_arg(u"flow_type")
+    proto = args.get_arg(u"proto")
+
+    src = args.get_arg(u"src_ip")
+    dst = args.get_arg(u"dst_ip")
+    sport = eval(args.get_arg(u"src_port"))
+    dport = eval(args.get_arg(u"dst_port"))
+    value = eval(args.get_arg(u"value"))
+
+    txq = TxQueue(tx_if)
+
+    if flow_type == u"IP4":
+        pkt_raw = (Ether(src=tx_src_mac, dst=tx_dst_mac) /
+                   IP(src=src, dst=dst))
+    elif flow_type == u"IP6":
+        pkt_raw = (Ether(src=tx_src_mac, dst=tx_dst_mac) /
+                   IPv6(src=src, dst=dst))
+    elif flow_type == u"ETHER":
+        pkt_raw = Ether(src=tx_src_mac, dst=tx_dst_mac)
+    else:
+        raise ValueError(f"Flow type error: {flow_type}")
+
+    if proto == u"TCP":
+        pkt_raw /= TCP(sport=sport, dport=dport)
+    elif proto == u"UDP":
+        pkt_raw /= UDP(sport=sport, dport=dport)
+    elif proto == u"AH":
+        pkt_raw /= AH(spi=value)
+    elif proto == u"ESP":
+        pkt_raw /= ESP(spi=value)
+    elif proto == u"GTPU":
+        pkt_raw /= (UDP()/GTP_U_Header(teid=value)/IP(src=u"192.168.10.20"))
+    elif proto == u"L2TPV3":
+        value_hex = hex(value).replace('0x', (8-len(hex(value))+2)*'0')
+        session_id = binascii.a2b_hex(value_hex)
+        pkt_raw.proto = 115
+        pkt_raw /= Raw(session_id)
+    elif proto == u"VXLAN":
+        pkt_raw /= (UDP()/VXLAN(vni=value))
+    elif proto == u"ARP":
+        pkt_raw.type = value
+        pkt_raw /= ARP()
+    else:
+        raise ValueError(f"Flow proto error: {proto}")
+
+    pkt_raw /= Raw()
+    txq.send(pkt_raw)
+    sys.exit(0)
+
+if __name__ == u"__main__":
+    main()