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corundum/tb/test_udp_mux_4.py
Alex Forencich 013e88253e Testbench updates
2019-03-07 23:44:43 -08:00

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#!/usr/bin/env python
"""
Copyright (c) 2014-2018 Alex Forencich
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""
from myhdl import *
import os
import udp_ep
module = 'udp_mux'
testbench = 'test_%s_4' % module
srcs = []
srcs.append("../rtl/%s.v" % module)
srcs.append("%s.v" % testbench)
src = ' '.join(srcs)
build_cmd = "iverilog -o %s.vvp %s" % (testbench, src)
def bench():
# Parameters
S_COUNT = 4
DATA_WIDTH = 8
KEEP_ENABLE = (DATA_WIDTH>8)
KEEP_WIDTH = (DATA_WIDTH/8)
ID_ENABLE = 1
ID_WIDTH = 8
DEST_ENABLE = 1
DEST_WIDTH = 8
USER_ENABLE = 1
USER_WIDTH = 1
# Inputs
clk = Signal(bool(0))
rst = Signal(bool(0))
current_test = Signal(intbv(0)[8:])
s_udp_hdr_valid_list = [Signal(bool(0)) for i in range(S_COUNT)]
s_eth_dest_mac_list = [Signal(intbv(0)[48:]) for i in range(S_COUNT)]
s_eth_src_mac_list = [Signal(intbv(0)[48:]) for i in range(S_COUNT)]
s_eth_type_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_ip_version_list = [Signal(intbv(0)[4:]) for i in range(S_COUNT)]
s_ip_ihl_list = [Signal(intbv(0)[4:]) for i in range(S_COUNT)]
s_ip_dscp_list = [Signal(intbv(0)[6:]) for i in range(S_COUNT)]
s_ip_ecn_list = [Signal(intbv(0)[2:]) for i in range(S_COUNT)]
s_ip_length_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_ip_identification_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_ip_flags_list = [Signal(intbv(0)[3:]) for i in range(S_COUNT)]
s_ip_fragment_offset_list = [Signal(intbv(0)[13:]) for i in range(S_COUNT)]
s_ip_ttl_list = [Signal(intbv(0)[8:]) for i in range(S_COUNT)]
s_ip_protocol_list = [Signal(intbv(0)[8:]) for i in range(S_COUNT)]
s_ip_header_checksum_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_ip_source_ip_list = [Signal(intbv(0)[32:]) for i in range(S_COUNT)]
s_ip_dest_ip_list = [Signal(intbv(0)[32:]) for i in range(S_COUNT)]
s_udp_source_port_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_udp_dest_port_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_udp_length_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_udp_checksum_list = [Signal(intbv(0)[16:]) for i in range(S_COUNT)]
s_udp_payload_axis_tdata_list = [Signal(intbv(0)[DATA_WIDTH:]) for i in range(S_COUNT)]
s_udp_payload_axis_tkeep_list = [Signal(intbv(1)[KEEP_WIDTH:]) for i in range(S_COUNT)]
s_udp_payload_axis_tvalid_list = [Signal(bool(0)) for i in range(S_COUNT)]
s_udp_payload_axis_tlast_list = [Signal(bool(0)) for i in range(S_COUNT)]
s_udp_payload_axis_tid_list = [Signal(intbv(0)[ID_WIDTH:]) for i in range(S_COUNT)]
s_udp_payload_axis_tdest_list = [Signal(intbv(0)[DEST_WIDTH:]) for i in range(S_COUNT)]
s_udp_payload_axis_tuser_list = [Signal(intbv(0)[USER_WIDTH:]) for i in range(S_COUNT)]
s_udp_hdr_valid = ConcatSignal(*reversed(s_udp_hdr_valid_list))
s_eth_dest_mac = ConcatSignal(*reversed(s_eth_dest_mac_list))
s_eth_src_mac = ConcatSignal(*reversed(s_eth_src_mac_list))
s_eth_type = ConcatSignal(*reversed(s_eth_type_list))
s_ip_version = ConcatSignal(*reversed(s_ip_version_list))
s_ip_ihl = ConcatSignal(*reversed(s_ip_ihl_list))
s_ip_dscp = ConcatSignal(*reversed(s_ip_dscp_list))
s_ip_ecn = ConcatSignal(*reversed(s_ip_ecn_list))
s_ip_length = ConcatSignal(*reversed(s_ip_length_list))
s_ip_identification = ConcatSignal(*reversed(s_ip_identification_list))
s_ip_flags = ConcatSignal(*reversed(s_ip_flags_list))
s_ip_fragment_offset = ConcatSignal(*reversed(s_ip_fragment_offset_list))
s_ip_ttl = ConcatSignal(*reversed(s_ip_ttl_list))
s_ip_protocol = ConcatSignal(*reversed(s_ip_protocol_list))
s_ip_header_checksum = ConcatSignal(*reversed(s_ip_header_checksum_list))
s_ip_source_ip = ConcatSignal(*reversed(s_ip_source_ip_list))
s_ip_dest_ip = ConcatSignal(*reversed(s_ip_dest_ip_list))
s_udp_source_port = ConcatSignal(*reversed(s_udp_source_port_list))
s_udp_dest_port = ConcatSignal(*reversed(s_udp_dest_port_list))
s_udp_length = ConcatSignal(*reversed(s_udp_length_list))
s_udp_checksum = ConcatSignal(*reversed(s_udp_checksum_list))
s_udp_payload_axis_tdata = ConcatSignal(*reversed(s_udp_payload_axis_tdata_list))
s_udp_payload_axis_tkeep = ConcatSignal(*reversed(s_udp_payload_axis_tkeep_list))
s_udp_payload_axis_tvalid = ConcatSignal(*reversed(s_udp_payload_axis_tvalid_list))
s_udp_payload_axis_tlast = ConcatSignal(*reversed(s_udp_payload_axis_tlast_list))
s_udp_payload_axis_tid = ConcatSignal(*reversed(s_udp_payload_axis_tid_list))
s_udp_payload_axis_tdest = ConcatSignal(*reversed(s_udp_payload_axis_tdest_list))
s_udp_payload_axis_tuser = ConcatSignal(*reversed(s_udp_payload_axis_tuser_list))
m_udp_hdr_ready = Signal(bool(0))
m_udp_payload_axis_tready = Signal(bool(0))
enable = Signal(bool(0))
select = Signal(intbv(0)[2:])
# Outputs
s_udp_hdr_ready = Signal(intbv(0)[S_COUNT:])
s_udp_payload_axis_tready = Signal(intbv(0)[S_COUNT:])
s_udp_hdr_ready_list = [s_udp_hdr_ready(i) for i in range(S_COUNT)]
s_udp_payload_axis_tready_list = [s_udp_payload_axis_tready(i) for i in range(S_COUNT)]
m_udp_hdr_valid = Signal(bool(0))
m_eth_dest_mac = Signal(intbv(0)[48:])
m_eth_src_mac = Signal(intbv(0)[48:])
m_eth_type = Signal(intbv(0)[16:])
m_ip_version = Signal(intbv(0)[4:])
m_ip_ihl = Signal(intbv(0)[4:])
m_ip_dscp = Signal(intbv(0)[6:])
m_ip_ecn = Signal(intbv(0)[2:])
m_ip_length = Signal(intbv(0)[16:])
m_ip_identification = Signal(intbv(0)[16:])
m_ip_flags = Signal(intbv(0)[3:])
m_ip_fragment_offset = Signal(intbv(0)[13:])
m_ip_ttl = Signal(intbv(0)[8:])
m_ip_protocol = Signal(intbv(0)[8:])
m_ip_header_checksum = Signal(intbv(0)[16:])
m_ip_source_ip = Signal(intbv(0)[32:])
m_ip_dest_ip = Signal(intbv(0)[32:])
m_udp_source_port = Signal(intbv(0)[16:])
m_udp_dest_port = Signal(intbv(0)[16:])
m_udp_length = Signal(intbv(0)[16:])
m_udp_checksum = Signal(intbv(0)[16:])
m_udp_payload_axis_tdata = Signal(intbv(0)[DATA_WIDTH:])
m_udp_payload_axis_tkeep = Signal(intbv(1)[KEEP_WIDTH:])
m_udp_payload_axis_tvalid = Signal(bool(0))
m_udp_payload_axis_tlast = Signal(bool(0))
m_udp_payload_axis_tid = Signal(intbv(0)[ID_WIDTH:])
m_udp_payload_axis_tdest = Signal(intbv(0)[DEST_WIDTH:])
m_udp_payload_axis_tuser = Signal(intbv(0)[USER_WIDTH:])
# sources and sinks
source_pause_list = []
source_list = []
source_logic_list = []
sink_pause = Signal(bool(0))
for k in range(S_COUNT):
s = udp_ep.UDPFrameSource()
p = Signal(bool(0))
source_list.append(s)
source_pause_list.append(p)
source_logic_list.append(s.create_logic(
clk,
rst,
udp_hdr_ready=s_udp_hdr_ready_list[k],
udp_hdr_valid=s_udp_hdr_valid_list[k],
eth_dest_mac=s_eth_dest_mac_list[k],
eth_src_mac=s_eth_src_mac_list[k],
eth_type=s_eth_type_list[k],
ip_version=s_ip_version_list[k],
ip_ihl=s_ip_ihl_list[k],
ip_dscp=s_ip_dscp_list[k],
ip_ecn=s_ip_ecn_list[k],
ip_length=s_ip_length_list[k],
ip_identification=s_ip_identification_list[k],
ip_flags=s_ip_flags_list[k],
ip_fragment_offset=s_ip_fragment_offset_list[k],
ip_ttl=s_ip_ttl_list[k],
ip_protocol=s_ip_protocol_list[k],
ip_header_checksum=s_ip_header_checksum_list[k],
ip_source_ip=s_ip_source_ip_list[k],
ip_dest_ip=s_ip_dest_ip_list[k],
udp_source_port=s_udp_source_port_list[k],
udp_dest_port=s_udp_dest_port_list[k],
udp_length=s_udp_length_list[k],
udp_checksum=s_udp_checksum_list[k],
udp_payload_tdata=s_udp_payload_axis_tdata_list[k],
udp_payload_tkeep=s_udp_payload_axis_tkeep_list[k],
udp_payload_tvalid=s_udp_payload_axis_tvalid_list[k],
udp_payload_tready=s_udp_payload_axis_tready_list[k],
udp_payload_tlast=s_udp_payload_axis_tlast_list[k],
udp_payload_tuser=s_udp_payload_axis_tuser_list[k],
pause=p,
name='source_%d' % k
))
sink = udp_ep.UDPFrameSink()
sink_logic = sink.create_logic(
clk,
rst,
udp_hdr_ready=m_udp_hdr_ready,
udp_hdr_valid=m_udp_hdr_valid,
eth_dest_mac=m_eth_dest_mac,
eth_src_mac=m_eth_src_mac,
eth_type=m_eth_type,
ip_version=m_ip_version,
ip_ihl=m_ip_ihl,
ip_dscp=m_ip_dscp,
ip_ecn=m_ip_ecn,
ip_length=m_ip_length,
ip_identification=m_ip_identification,
ip_flags=m_ip_flags,
ip_fragment_offset=m_ip_fragment_offset,
ip_ttl=m_ip_ttl,
ip_protocol=m_ip_protocol,
ip_header_checksum=m_ip_header_checksum,
ip_source_ip=m_ip_source_ip,
ip_dest_ip=m_ip_dest_ip,
udp_source_port=m_udp_source_port,
udp_dest_port=m_udp_dest_port,
udp_length=m_udp_length,
udp_checksum=m_udp_checksum,
udp_payload_tdata=m_udp_payload_axis_tdata,
udp_payload_tkeep=m_udp_payload_axis_tkeep,
udp_payload_tvalid=m_udp_payload_axis_tvalid,
udp_payload_tready=m_udp_payload_axis_tready,
udp_payload_tlast=m_udp_payload_axis_tlast,
udp_payload_tuser=m_udp_payload_axis_tuser,
pause=sink_pause,
name='sink'
)
# DUT
if os.system(build_cmd):
raise Exception("Error running build command")
dut = Cosimulation(
"vvp -m myhdl %s.vvp -lxt2" % testbench,
clk=clk,
rst=rst,
current_test=current_test,
s_udp_hdr_valid=s_udp_hdr_valid,
s_udp_hdr_ready=s_udp_hdr_ready,
s_eth_dest_mac=s_eth_dest_mac,
s_eth_src_mac=s_eth_src_mac,
s_eth_type=s_eth_type,
s_ip_version=s_ip_version,
s_ip_ihl=s_ip_ihl,
s_ip_dscp=s_ip_dscp,
s_ip_ecn=s_ip_ecn,
s_ip_length=s_ip_length,
s_ip_identification=s_ip_identification,
s_ip_flags=s_ip_flags,
s_ip_fragment_offset=s_ip_fragment_offset,
s_ip_ttl=s_ip_ttl,
s_ip_protocol=s_ip_protocol,
s_ip_header_checksum=s_ip_header_checksum,
s_ip_source_ip=s_ip_source_ip,
s_ip_dest_ip=s_ip_dest_ip,
s_udp_source_port=s_udp_source_port,
s_udp_dest_port=s_udp_dest_port,
s_udp_length=s_udp_length,
s_udp_checksum=s_udp_checksum,
s_udp_payload_axis_tdata=s_udp_payload_axis_tdata,
s_udp_payload_axis_tkeep=s_udp_payload_axis_tkeep,
s_udp_payload_axis_tvalid=s_udp_payload_axis_tvalid,
s_udp_payload_axis_tready=s_udp_payload_axis_tready,
s_udp_payload_axis_tlast=s_udp_payload_axis_tlast,
s_udp_payload_axis_tid=s_udp_payload_axis_tid,
s_udp_payload_axis_tdest=s_udp_payload_axis_tdest,
s_udp_payload_axis_tuser=s_udp_payload_axis_tuser,
m_udp_hdr_valid=m_udp_hdr_valid,
m_udp_hdr_ready=m_udp_hdr_ready,
m_eth_dest_mac=m_eth_dest_mac,
m_eth_src_mac=m_eth_src_mac,
m_eth_type=m_eth_type,
m_ip_version=m_ip_version,
m_ip_ihl=m_ip_ihl,
m_ip_dscp=m_ip_dscp,
m_ip_ecn=m_ip_ecn,
m_ip_length=m_ip_length,
m_ip_identification=m_ip_identification,
m_ip_flags=m_ip_flags,
m_ip_fragment_offset=m_ip_fragment_offset,
m_ip_ttl=m_ip_ttl,
m_ip_protocol=m_ip_protocol,
m_ip_header_checksum=m_ip_header_checksum,
m_ip_source_ip=m_ip_source_ip,
m_ip_dest_ip=m_ip_dest_ip,
m_udp_source_port=m_udp_source_port,
m_udp_dest_port=m_udp_dest_port,
m_udp_length=m_udp_length,
m_udp_checksum=m_udp_checksum,
m_udp_payload_axis_tdata=m_udp_payload_axis_tdata,
m_udp_payload_axis_tkeep=m_udp_payload_axis_tkeep,
m_udp_payload_axis_tvalid=m_udp_payload_axis_tvalid,
m_udp_payload_axis_tready=m_udp_payload_axis_tready,
m_udp_payload_axis_tlast=m_udp_payload_axis_tlast,
m_udp_payload_axis_tid=m_udp_payload_axis_tid,
m_udp_payload_axis_tdest=m_udp_payload_axis_tdest,
m_udp_payload_axis_tuser=m_udp_payload_axis_tuser,
enable=enable,
select=select
)
@always(delay(4))
def clkgen():
clk.next = not clk
@instance
def check():
yield delay(100)
yield clk.posedge
rst.next = 1
yield clk.posedge
rst.next = 0
yield clk.posedge
yield delay(100)
yield clk.posedge
yield clk.posedge
enable.next = True
yield clk.posedge
print("test 1: select port 0")
current_test.next = 1
select.next = 0
test_frame = udp_ep.UDPFrame()
test_frame.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame.eth_src_mac = 0x5A5152535455
test_frame.eth_type = 0x8000
test_frame.ip_version = 4
test_frame.ip_ihl = 5
test_frame.ip_dscp = 0
test_frame.ip_ecn = 0
test_frame.ip_length = None
test_frame.ip_identification = 0
test_frame.ip_flags = 2
test_frame.ip_fragment_offset = 0
test_frame.ip_ttl = 64
test_frame.ip_protocol = 0x11
test_frame.ip_header_checksum = None
test_frame.ip_source_ip = 0xc0a80165
test_frame.ip_dest_ip = 0xc0a80164
test_frame.udp_source_port = 1
test_frame.udp_dest_port = 2
test_frame.udp_length = None
test_frame.udp_checksum = None
test_frame.payload = bytearray(range(32))
test_frame.build()
source_list[0].send(test_frame)
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame
yield delay(100)
yield clk.posedge
print("test 2: select port 1")
current_test.next = 2
select.next = 1
test_frame = udp_ep.UDPFrame()
test_frame.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame.eth_src_mac = 0x5A5152535455
test_frame.eth_type = 0x8000
test_frame.ip_version = 4
test_frame.ip_ihl = 5
test_frame.ip_dscp = 0
test_frame.ip_ecn = 0
test_frame.ip_length = None
test_frame.ip_identification = 0
test_frame.ip_flags = 2
test_frame.ip_fragment_offset = 0
test_frame.ip_ttl = 64
test_frame.ip_protocol = 0x11
test_frame.ip_header_checksum = None
test_frame.ip_source_ip = 0xc0a80165
test_frame.ip_dest_ip = 0xc0a80164
test_frame.udp_source_port = 1
test_frame.udp_dest_port = 2
test_frame.udp_length = None
test_frame.udp_checksum = None
test_frame.payload = bytearray(range(32))
test_frame.build()
source_list[1].send(test_frame)
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame
yield delay(100)
yield clk.posedge
print("test 3: back-to-back packets, same port")
current_test.next = 3
select.next = 0
test_frame1 = udp_ep.UDPFrame()
test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame1.eth_src_mac = 0x5A5152535455
test_frame1.eth_type = 0x8000
test_frame1.ip_version = 4
test_frame1.ip_ihl = 5
test_frame1.ip_dscp = 0
test_frame1.ip_ecn = 0
test_frame1.ip_length = None
test_frame1.ip_identification = 0
test_frame1.ip_flags = 2
test_frame1.ip_fragment_offset = 0
test_frame1.ip_ttl = 64
test_frame1.ip_protocol = 0x11
test_frame1.ip_header_checksum = None
test_frame1.ip_source_ip = 0xc0a80165
test_frame1.ip_dest_ip = 0xc0a80164
test_frame1.udp_source_port = 1
test_frame1.udp_dest_port = 2
test_frame1.udp_length = None
test_frame1.udp_checksum = None
test_frame1.payload = bytearray(range(32))
test_frame1.build()
test_frame2 = udp_ep.UDPFrame()
test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame2.eth_src_mac = 0x5A5152535455
test_frame2.eth_type = 0x8000
test_frame2.ip_version = 4
test_frame2.ip_ihl = 5
test_frame2.ip_dscp = 0
test_frame2.ip_ecn = 0
test_frame2.ip_length = None
test_frame2.ip_identification = 0
test_frame2.ip_flags = 2
test_frame2.ip_fragment_offset = 0
test_frame2.ip_ttl = 64
test_frame2.ip_protocol = 0x11
test_frame2.ip_header_checksum = None
test_frame2.ip_source_ip = 0xc0a80165
test_frame2.ip_dest_ip = 0xc0a80164
test_frame2.udp_source_port = 1
test_frame2.udp_dest_port = 2
test_frame2.udp_length = None
test_frame2.udp_checksum = None
test_frame2.payload = bytearray(range(32))
test_frame2.build()
source_list[0].send(test_frame1)
source_list[0].send(test_frame2)
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame1
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame2
yield delay(100)
yield clk.posedge
print("test 4: back-to-back packets, different ports")
current_test.next = 4
select.next = 1
test_frame1 = udp_ep.UDPFrame()
test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame1.eth_src_mac = 0x5A5152535455
test_frame1.eth_type = 0x8000
test_frame1.ip_version = 4
test_frame1.ip_ihl = 5
test_frame1.ip_dscp = 0
test_frame1.ip_ecn = 0
test_frame1.ip_length = None
test_frame1.ip_identification = 0
test_frame1.ip_flags = 2
test_frame1.ip_fragment_offset = 0
test_frame1.ip_ttl = 64
test_frame1.ip_protocol = 0x11
test_frame1.ip_header_checksum = None
test_frame1.ip_source_ip = 0xc0a80165
test_frame1.ip_dest_ip = 0xc0a80164
test_frame1.udp_source_port = 1
test_frame1.udp_dest_port = 2
test_frame1.udp_length = None
test_frame1.udp_checksum = None
test_frame1.payload = bytearray(range(32))
test_frame1.build()
test_frame2 = udp_ep.UDPFrame()
test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame2.eth_src_mac = 0x5A5152535455
test_frame2.eth_type = 0x8000
test_frame2.ip_version = 4
test_frame2.ip_ihl = 5
test_frame2.ip_dscp = 0
test_frame2.ip_ecn = 0
test_frame2.ip_length = None
test_frame2.ip_identification = 0
test_frame2.ip_flags = 2
test_frame2.ip_fragment_offset = 0
test_frame2.ip_ttl = 64
test_frame2.ip_protocol = 0x11
test_frame2.ip_header_checksum = None
test_frame2.ip_source_ip = 0xc0a80165
test_frame2.ip_dest_ip = 0xc0a80164
test_frame2.udp_source_port = 1
test_frame2.udp_dest_port = 2
test_frame2.udp_length = None
test_frame2.udp_checksum = None
test_frame2.payload = bytearray(range(32))
test_frame2.build()
source_list[1].send(test_frame1)
source_list[2].send(test_frame2)
yield clk.posedge
yield clk.posedge
while s_udp_payload_axis_tvalid:
yield clk.posedge
select.next = 2
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame1
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame2
yield delay(100)
yield clk.posedge
print("test 5: alterate pause source")
current_test.next = 5
select.next = 1
test_frame1 = udp_ep.UDPFrame()
test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame1.eth_src_mac = 0x5A5152535455
test_frame1.eth_type = 0x8000
test_frame1.ip_version = 4
test_frame1.ip_ihl = 5
test_frame1.ip_dscp = 0
test_frame1.ip_ecn = 0
test_frame1.ip_length = None
test_frame1.ip_identification = 0
test_frame1.ip_flags = 2
test_frame1.ip_fragment_offset = 0
test_frame1.ip_ttl = 64
test_frame1.ip_protocol = 0x11
test_frame1.ip_header_checksum = None
test_frame1.ip_source_ip = 0xc0a80165
test_frame1.ip_dest_ip = 0xc0a80164
test_frame1.udp_source_port = 1
test_frame1.udp_dest_port = 2
test_frame1.udp_length = None
test_frame1.udp_checksum = None
test_frame1.payload = bytearray(range(32))
test_frame1.build()
test_frame2 = udp_ep.UDPFrame()
test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame2.eth_src_mac = 0x5A5152535455
test_frame2.eth_type = 0x8000
test_frame2.ip_version = 4
test_frame2.ip_ihl = 5
test_frame2.ip_dscp = 0
test_frame2.ip_ecn = 0
test_frame2.ip_length = None
test_frame2.ip_identification = 0
test_frame2.ip_flags = 2
test_frame2.ip_fragment_offset = 0
test_frame2.ip_ttl = 64
test_frame2.ip_protocol = 0x11
test_frame2.ip_header_checksum = None
test_frame2.ip_source_ip = 0xc0a80165
test_frame2.ip_dest_ip = 0xc0a80164
test_frame2.udp_source_port = 1
test_frame2.udp_dest_port = 2
test_frame2.udp_length = None
test_frame2.udp_checksum = None
test_frame2.payload = bytearray(range(32))
test_frame2.build()
source_list[1].send(test_frame1)
source_list[2].send(test_frame2)
yield clk.posedge
yield clk.posedge
while s_udp_payload_axis_tvalid:
yield clk.posedge
yield clk.posedge
for k in range(S_COUNT):
source_pause_list[k].next = False
yield clk.posedge
for k in range(S_COUNT):
source_pause_list[k].next = True
yield clk.posedge
select.next = 2
for k in range(S_COUNT):
source_pause_list[k].next = False
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame1
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame2
yield delay(100)
yield clk.posedge
print("test 6: alterate pause sink")
current_test.next = 6
select.next = 1
test_frame1 = udp_ep.UDPFrame()
test_frame1.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame1.eth_src_mac = 0x5A5152535455
test_frame1.eth_type = 0x8000
test_frame1.ip_version = 4
test_frame1.ip_ihl = 5
test_frame1.ip_dscp = 0
test_frame1.ip_ecn = 0
test_frame1.ip_length = None
test_frame1.ip_identification = 0
test_frame1.ip_flags = 2
test_frame1.ip_fragment_offset = 0
test_frame1.ip_ttl = 64
test_frame1.ip_protocol = 0x11
test_frame1.ip_header_checksum = None
test_frame1.ip_source_ip = 0xc0a80165
test_frame1.ip_dest_ip = 0xc0a80164
test_frame1.udp_source_port = 1
test_frame1.udp_dest_port = 2
test_frame1.udp_length = None
test_frame1.udp_checksum = None
test_frame1.payload = bytearray(range(32))
test_frame1.build()
test_frame2 = udp_ep.UDPFrame()
test_frame2.eth_dest_mac = 0xDAD1D2D3D4D5
test_frame2.eth_src_mac = 0x5A5152535455
test_frame2.eth_type = 0x8000
test_frame2.ip_version = 4
test_frame2.ip_ihl = 5
test_frame2.ip_dscp = 0
test_frame2.ip_ecn = 0
test_frame2.ip_length = None
test_frame2.ip_identification = 0
test_frame2.ip_flags = 2
test_frame2.ip_fragment_offset = 0
test_frame2.ip_ttl = 64
test_frame2.ip_protocol = 0x11
test_frame2.ip_header_checksum = None
test_frame2.ip_source_ip = 0xc0a80165
test_frame2.ip_dest_ip = 0xc0a80164
test_frame2.udp_source_port = 1
test_frame2.udp_dest_port = 2
test_frame2.udp_length = None
test_frame2.udp_checksum = None
test_frame2.payload = bytearray(range(32))
test_frame2.build()
source_list[1].send(test_frame1)
source_list[2].send(test_frame2)
yield clk.posedge
yield clk.posedge
while s_udp_payload_axis_tvalid:
sink_pause.next = True
yield clk.posedge
yield clk.posedge
yield clk.posedge
sink_pause.next = False
yield clk.posedge
select.next = 2
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame1
yield sink.wait()
rx_frame = sink.recv()
assert rx_frame == test_frame2
yield delay(100)
raise StopSimulation
return instances()
def test_bench():
os.chdir(os.path.dirname(os.path.abspath(__file__)))
sim = Simulation(bench())
sim.run()
if __name__ == '__main__':
print("Running test...")
test_bench()
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