[RFC PATCH v1 07/18] dts: merge DTS framework/pktgen_ixia_network.py to DPDK

["Juraj Linkeš" <juraj.linkes@pantheon.tech>]

---
 dts/framework/pktgen_ixia_network.py | 225 +++++++++++++++++++++++++++
 1 file changed, 225 insertions(+)
 create mode 100644 dts/framework/pktgen_ixia_network.py

diff --git a/dts/framework/pktgen_ixia_network.py b/dts/framework/pktgen_ixia_network.py
new file mode 100644
index 0000000000..270fab0113
--- /dev/null
+++ b/dts/framework/pktgen_ixia_network.py
@@ -0,0 +1,225 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2021 Intel Corporation. All rights reserved.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+#   * Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#   * Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in
+#     the documentation and/or other materials provided with the
+#     distribution.
+#   * Neither the name of Intel Corporation nor the names of its
+#     contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+import os
+import time
+import traceback
+from pprint import pformat
+
+from .pktgen_base import PKTGEN_IXIA_NETWORK, PacketGenerator
+
+
+class IxNetworkPacketGenerator(PacketGenerator):
+    """
+    ixNetwork packet generator
+    """
+
+    def __init__(self, tester):
+        super(IxNetworkPacketGenerator, self).__init__(tester)
+        self.pktgen_type = PKTGEN_IXIA_NETWORK
+        self._conn = None
+        # ixNetwork configuration information of dts
+        conf_inst = self._get_generator_conf_instance()
+        self.conf = conf_inst.load_pktgen_config()
+        # ixNetwork port configuration
+        self._traffic_ports = []
+        self._ports = []
+        self._rx_ports = []
+
+    def get_ports(self):
+        """used for ixNetwork packet generator"""
+        return self._conn.get_ports()
+
+    def _prepare_generator(self):
+        """connect with ixNetwork api server"""
+        try:
+            self._connect(self.conf)
+        except Exception as e:
+            msg = "failed to connect to ixNetwork api server"
+            raise Exception(msg)
+
+    def _connect(self, conf):
+        # initialize ixNetwork class
+        from framework.ixia_network import IxNetwork
+
+        self._conn = IxNetwork(self.pktgen_type, conf, self.logger)
+        for p in self._conn.get_ports():
+            self._ports.append(p)
+
+        self.logger.debug(self._ports)
+
+    def _disconnect(self):
+        """
+        disconnect with ixNetwork api server
+        """
+        try:
+            self._remove_all_streams()
+            self._conn.disconnect()
+        except Exception as e:
+            msg = "Error disconnecting: %s" % e
+            self.logger.error(msg)
+        self._conn = None
+
+    def quit_generator(self):
+        """close ixNetwork session"""
+        if self._conn is not None:
+            self._disconnect()
+
+    def _get_port_pci(self, port_id):
+        """
+        get ixNetwork port pci address
+        """
+        for pktgen_port_id, info in enumerate(self._ports):
+            if pktgen_port_id == port_id:
+                _pci = info.get("pci")
+                return _pci
+        else:
+            return None
+
+    def _get_gen_port(self, pci):
+        """
+        get port management id of the packet generator
+        """
+        for pktgen_port_id, info in enumerate(self._ports):
+            _pci = info.get("pci")
+            if _pci == pci:
+                return pktgen_port_id
+        else:
+            return -1
+
+    def _is_gen_port(self, pci):
+        """
+        check if a pci address is managed by the packet generator
+        """
+        for name, _port_obj in self._conn.ports.items():
+            _pci = _port_obj.info["pci_addr"]
+            self.logger.debug((_pci, pci))
+            if _pci == pci:
+                return True
+        else:
+            return False
+
+    def _get_ports(self):
+        """
+        Return self ports information
+        """
+        ports = []
+        for idx in range(len(self._ports)):
+            ports.append("IXIA:%d" % idx)
+        return ports
+
+    def send_ping6(self, pci, mac, ipv6):
+        """Send ping6 packet from IXIA ports."""
+        return self._conn.send_ping6(pci, mac, ipv6)
+
+    def _clear_streams(self):
+        """clear streams in `PacketGenerator`"""
+        # if streams has been attached, remove them from ixNetwork api server.
+        self._remove_all_streams()
+
+    def _remove_all_streams(self):
+        """
+        remove all stream deployed on the packet generator
+        """
+        if not self.get_streams():
+            return
+
+    def _check_options(self, opts={}):
+        return True
+
+    def _retrieve_port_statistic(self, stream_id, mode):
+        """ixNetwork traffic statistics"""
+        stats = self._conn.get_stats(self._traffic_ports, mode)
+        stream = self._get_stream(stream_id)
+        self.logger.debug(pformat(stream))
+        self.logger.debug(pformat(stats))
+        if mode == "rfc2544":
+            return stats
+        else:
+            msg = "not support mode <{0}>".format(mode)
+            raise Exception(msg)
+
+    ##########################################################################
+    #
+    #  class ``PacketGenerator`` abstract methods should be implemented here
+    #
+    ##########################################################################
+    def _prepare_transmission(self, stream_ids=[], latency=False):
+        """add one/multiple streams in one/multiple ports"""
+        port_config = {}
+
+        for stream_id in stream_ids:
+            stream = self._get_stream(stream_id)
+            tx_port = stream.get("tx_port")
+            rx_port = stream.get("rx_port")
+            pcap_file = stream.get("pcap_file")
+            # save port id list
+            if tx_port not in self._traffic_ports:
+                self._traffic_ports.append(tx_port)
+            if rx_port not in self._traffic_ports:
+                self._traffic_ports.append(rx_port)
+            if rx_port not in self._rx_ports:
+                self._rx_ports.append(rx_port)
+            # set all streams in one port to do batch configuration
+            options = stream["options"]
+            if tx_port not in list(port_config.keys()):
+                port_config[tx_port] = []
+            config = {}
+            config.update(options)
+            # get stream rate percent
+            stream_config = options.get("stream_config")
+            rate_percent = stream_config.get("rate")
+            # set port list input parameter of ixNetwork class
+            ixia_option = [tx_port, rx_port, pcap_file, options]
+            port_config[tx_port].append(ixia_option)
+
+        self.rate_percent = rate_percent
+        if not port_config:
+            msg = "no stream options for ixNetwork packet generator"
+            raise Exception(msg)
+
+        port_lists = []
+        for port_id, option in port_config.items():
+            port_lists += option
+        self._conn.prepare_ixia_network_stream(port_lists)
+
+    def _start_transmission(self, stream_ids, options={}):
+        # run ixNetwork api server
+        try:
+            # Start traffic on port(s)
+            self.logger.info("begin traffic ......")
+            self._conn.start(options)
+        except Exception as e:
+            self.logger.error(traceback.format_exc())
+            self.logger.error(e)
+
+    def _stop_transmission(self, stream_id):
+        if self._traffic_ports:
+            self.logger.info("traffic completed. ")
-- 
2.20.1