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/*
 * Copyright (c) 2017 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

#ifndef	__LACP_TX_MACHINE_H__
#define	__LACP_TX_MACHINE_H__

#include <stdint.h>
#include <lacp/machine.h>

#define foreach_lacp_tx_event          \
  _(0, BEGIN, "begin")                 \
  _(1, NTT, "Need To Transmit")

typedef enum
{
#define _(a, b, c) LACP_TX_EVENT_##b = (a),
  foreach_lacp_tx_event
#undef _
} lacp_tx_event_t;

#define foreach_lacp_tx_sm_state       \
  _(0, TRANSMIT, "transmit PDU")

typedef enum
{
#define _(a, b, c) LACP_TX_STATE_##b = (a),
  foreach_lacp_tx_sm_state
#undef _
} lacp_tx_sm_state_t;

extern lacp_machine_t lacp_tx_machine;

int lacp_tx_action_transmit (void *p1, void *p2);
void lacp_tx_debug_func (slave_if_t * sif, int event, int state,
			 lacp_fsm_state_t * transition);

#define LACP_ACTION_TRANSMIT LACP_ACTION_ROUTINE(lacp_tx_action_transmit)

#endif /* __LACP_TX_MACHINE_H__ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
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# Copyright (c) 2019 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# 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 / IP /
 - Direction 0 --> 1:
   - Source IP address range:      10.0.0.1
   - Destination IP address range: 20.0.0.0 - 20.15.66.63
 - Direction 1 --> 0:
   - Source IP address range:      20.0.0.1
   - Destination IP address range: 10.0.0.0 - 10.15.66.63
"""

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 = '10.0.0.1'
        self.p1_dst_start_ip = '20.0.0.0'
        self.p1_dst_end_ip = '20.15.66.63'

        self.p2_src_start_ip = '20.0.0.1'
        self.p2_dst_start_ip = '10.0.0.0'
        self.p2_dst_end_ip = '10.15.66.63'

    def define_packets(self):
        """Defines the packets to be sent from the traffic generator.

        Packet definition: | ETH | IP |

        :returns: Packets to be sent from the traffic generator.
        :rtype: tuple
        """

        # 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_src_start_ip,
                         dst=self.p2_dst_start_ip,
                         proto=61))

        # Direction 0 --> 1
        vm1 = STLScVmRaw([STLVmFlowVar(name="dst",
                                       min_value=self.p1_dst_start_ip,
                                       max_value=self.p1_dst_end_ip,
                                       size=4, op="inc"),
                          STLVmWrFlowVar(fv_name="dst", pkt_offset="IP.dst"),
                          STLVmFixIpv4(offset="IP")])
        # Direction 1 --> 0
        vm2 = STLScVmRaw([STLVmFlowVar(name="dst",
                                       min_value=self.p2_dst_start_ip,
                                       max_value=self.p2_dst_end_ip,
                                       size=4, op="inc"),
                          STLVmWrFlowVar(fv_name="dst", pkt_offset="IP.dst"),
                          STLVmFixIpv4(offset="IP")])

        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()