From 175230eeaf2e8ec9ecb5f4828c8f6a1656cabfd1 Mon Sep 17 00:00:00 2001 From: Alex Forencich Date: Sun, 16 Feb 2025 20:46:31 -0800 Subject: [PATCH] eth: Add MII Ethernet MAC module and testbench Signed-off-by: Alex Forencich --- rtl/eth/taxi_eth_mac_mii.f | 3 + rtl/eth/taxi_eth_mac_mii.sv | 344 ++++++++++ tb/eth/taxi_eth_mac_mii/Makefile | 55 ++ .../taxi_eth_mac_mii/test_taxi_eth_mac_mii.py | 649 ++++++++++++++++++ .../taxi_eth_mac_mii/test_taxi_eth_mac_mii.sv | 276 ++++++++ 5 files changed, 1327 insertions(+) create mode 100644 rtl/eth/taxi_eth_mac_mii.f create mode 100644 rtl/eth/taxi_eth_mac_mii.sv create mode 100644 tb/eth/taxi_eth_mac_mii/Makefile create mode 100644 tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.py create mode 100644 tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.sv diff --git a/rtl/eth/taxi_eth_mac_mii.f b/rtl/eth/taxi_eth_mac_mii.f new file mode 100644 index 0000000..b91352d --- /dev/null +++ b/rtl/eth/taxi_eth_mac_mii.f @@ -0,0 +1,3 @@ +taxi_eth_mac_mii.sv +taxi_eth_mac_1g.f +taxi_mii_phy_if.f diff --git a/rtl/eth/taxi_eth_mac_mii.sv b/rtl/eth/taxi_eth_mac_mii.sv new file mode 100644 index 0000000..d41ba8e --- /dev/null +++ b/rtl/eth/taxi_eth_mac_mii.sv @@ -0,0 +1,344 @@ +// SPDX-License-Identifier: CERN-OHL-S-2.0 +/* + +Copyright (c) 2019-2025 FPGA Ninja, LLC + +Authors: +- Alex Forencich + +*/ + +`resetall +`timescale 1ns / 1ps +`default_nettype none + +/* + * 10M/100M Ethernet MAC with MII interface + */ +module taxi_eth_mac_mii # +( + parameter logic SIM = 1'b0, + parameter VENDOR = "XILINX", + parameter FAMILY = "virtex7", + parameter logic PADDING_EN = 1'b1, + parameter MIN_FRAME_LEN = 64, + parameter logic PTP_TS_EN = 1'b0, + parameter PTP_TS_W = 96, + parameter logic PFC_EN = 1'b0, + parameter logic PAUSE_EN = PFC_EN +) +( + input wire logic rst, + output wire logic rx_clk, + output wire logic rx_rst, + output wire logic tx_clk, + output wire logic tx_rst, + + /* + * Transmit interface (AXI stream) + */ + taxi_axis_if.snk s_axis_tx, + taxi_axis_if.src m_axis_tx_cpl, + + /* + * Receive interface (AXI stream) + */ + taxi_axis_if.src m_axis_rx, + + /* + * MII interface + */ + input wire logic mii_rx_clk, + input wire logic [3:0] mii_rxd, + input wire logic mii_rx_dv, + input wire logic mii_rx_er, + input wire logic mii_tx_clk, + output wire logic [3:0] mii_txd, + output wire logic mii_tx_en, + output wire logic mii_tx_er, + + /* + * PTP + */ + input wire logic [PTP_TS_W-1:0] tx_ptp_ts = '0, + input wire logic [PTP_TS_W-1:0] rx_ptp_ts = '0, + + /* + * Link-level Flow Control (LFC) (IEEE 802.3 annex 31B PAUSE) + */ + input wire logic tx_lfc_req = 1'b0, + input wire logic tx_lfc_resend = 1'b0, + input wire logic rx_lfc_en = 1'b0, + output wire logic rx_lfc_req, + input wire logic rx_lfc_ack = 1'b0, + + /* + * Priority Flow Control (PFC) (IEEE 802.3 annex 31D PFC) + */ + input wire logic [7:0] tx_pfc_req = '0, + input wire logic tx_pfc_resend = 1'b0, + input wire logic [7:0] rx_pfc_en = '0, + output wire logic [7:0] rx_pfc_req, + input wire logic [7:0] rx_pfc_ack = '0, + + /* + * Pause interface + */ + input wire logic tx_lfc_pause_en = 1'b0, + input wire logic tx_pause_req = 1'b0, + output wire logic tx_pause_ack, + + /* + * Status + */ + output wire logic tx_start_packet, + output wire logic tx_error_underflow, + output wire logic rx_start_packet, + output wire logic rx_error_bad_frame, + output wire logic rx_error_bad_fcs, + output wire logic stat_tx_mcf, + output wire logic stat_rx_mcf, + output wire logic stat_tx_lfc_pkt, + output wire logic stat_tx_lfc_xon, + output wire logic stat_tx_lfc_xoff, + output wire logic stat_tx_lfc_paused, + output wire logic stat_tx_pfc_pkt, + output wire logic [7:0] stat_tx_pfc_xon, + output wire logic [7:0] stat_tx_pfc_xoff, + output wire logic [7:0] stat_tx_pfc_paused, + output wire logic stat_rx_lfc_pkt, + output wire logic stat_rx_lfc_xon, + output wire logic stat_rx_lfc_xoff, + output wire logic stat_rx_lfc_paused, + output wire logic stat_rx_pfc_pkt, + output wire logic [7:0] stat_rx_pfc_xon, + output wire logic [7:0] stat_rx_pfc_xoff, + output wire logic [7:0] stat_rx_pfc_paused, + + /* + * Configuration + */ + input wire logic [7:0] cfg_ifg = 8'd12, + input wire logic cfg_tx_enable = 1'b1, + input wire logic cfg_rx_enable = 1'b1, + input wire logic [47:0] cfg_mcf_rx_eth_dst_mcast = 48'h01_80_C2_00_00_01, + input wire logic cfg_mcf_rx_check_eth_dst_mcast = 1'b1, + input wire logic [47:0] cfg_mcf_rx_eth_dst_ucast = 48'd0, + input wire logic cfg_mcf_rx_check_eth_dst_ucast = 1'b0, + input wire logic [47:0] cfg_mcf_rx_eth_src = 48'd0, + input wire logic cfg_mcf_rx_check_eth_src = 1'b0, + input wire logic [15:0] cfg_mcf_rx_eth_type = 16'h8808, + input wire logic [15:0] cfg_mcf_rx_opcode_lfc = 16'h0001, + input wire logic cfg_mcf_rx_check_opcode_lfc = 1'b1, + input wire logic [15:0] cfg_mcf_rx_opcode_pfc = 16'h0101, + input wire logic cfg_mcf_rx_check_opcode_pfc = 1'b1, + input wire logic cfg_mcf_rx_forward = 1'b0, + input wire logic cfg_mcf_rx_enable = 1'b0, + input wire logic [47:0] cfg_tx_lfc_eth_dst = 48'h01_80_C2_00_00_01, + input wire logic [47:0] cfg_tx_lfc_eth_src = 48'h80_23_31_43_54_4C, + input wire logic [15:0] cfg_tx_lfc_eth_type = 16'h8808, + input wire logic [15:0] cfg_tx_lfc_opcode = 16'h0001, + input wire logic cfg_tx_lfc_en = 1'b0, + input wire logic [15:0] cfg_tx_lfc_quanta = 16'hffff, + input wire logic [15:0] cfg_tx_lfc_refresh = 16'h7fff, + input wire logic [47:0] cfg_tx_pfc_eth_dst = 48'h01_80_C2_00_00_01, + input wire logic [47:0] cfg_tx_pfc_eth_src = 48'h80_23_31_43_54_4C, + input wire logic [15:0] cfg_tx_pfc_eth_type = 16'h8808, + input wire logic [15:0] cfg_tx_pfc_opcode = 16'h0101, + input wire logic cfg_tx_pfc_en = 1'b0, + input wire logic [8*16-1:0] cfg_tx_pfc_quanta = {8{16'hffff}}, + input wire logic [8*16-1:0] cfg_tx_pfc_refresh = {8{16'h7fff}}, + input wire logic [15:0] cfg_rx_lfc_opcode = 16'h0001, + input wire logic cfg_rx_lfc_en = 1'b0, + input wire logic [15:0] cfg_rx_pfc_opcode = 16'h0101, + input wire logic cfg_rx_pfc_en = 1'b0 +); + +wire [7:0] mac_gmii_rxd; +wire mac_gmii_rx_dv; +wire mac_gmii_rx_er; +wire [7:0] mac_gmii_txd; +wire mac_gmii_tx_en; +wire mac_gmii_tx_er; + +taxi_mii_phy_if #( + .SIM(SIM), + .VENDOR(VENDOR), + .FAMILY(FAMILY) +) +mii_phy_if_inst ( + .rst(rst), + + /* + * MII interface to MAC + */ + .mac_mii_rx_clk(rx_clk), + .mac_mii_rx_rst(rx_rst), + .mac_mii_rxd(mac_gmii_rxd[3:0]), + .mac_mii_rx_dv(mac_gmii_rx_dv), + .mac_mii_rx_er(mac_gmii_rx_er), + .mac_mii_tx_clk(tx_clk), + .mac_mii_tx_rst(tx_rst), + .mac_mii_txd(mac_gmii_txd[3:0]), + .mac_mii_tx_en(mac_gmii_tx_en), + .mac_mii_tx_er(mac_gmii_tx_er), + + /* + * MII interface to PHY + */ + .phy_mii_rx_clk(mii_rx_clk), + .phy_mii_rxd(mii_rxd), + .phy_mii_rx_dv(mii_rx_dv), + .phy_mii_rx_er(mii_rx_er), + .phy_mii_tx_clk(mii_tx_clk), + .phy_mii_txd(mii_txd), + .phy_mii_tx_en(mii_tx_en), + .phy_mii_tx_er(mii_tx_er) +); + +assign mac_gmii_rxd[7:4] = '0; + +taxi_eth_mac_1g #( + .DATA_W(8), + .PADDING_EN(PADDING_EN), + .MIN_FRAME_LEN(MIN_FRAME_LEN), + .PTP_TS_EN(PTP_TS_EN), + .PTP_TS_W(PTP_TS_W), + .PFC_EN(PFC_EN), + .PAUSE_EN(PAUSE_EN) +) +eth_mac_1g_inst ( + .tx_clk(tx_clk), + .tx_rst(tx_rst), + .rx_clk(rx_clk), + .rx_rst(rx_rst), + + /* + * Transmit interface (AXI stream) + */ + .s_axis_tx(s_axis_tx), + .m_axis_tx_cpl(m_axis_tx_cpl), + + /* + * Receive interface (AXI stream) + */ + .m_axis_rx(m_axis_rx), + + /* + * GMII interface + */ + .gmii_rxd(mac_gmii_rxd), + .gmii_rx_dv(mac_gmii_rx_dv), + .gmii_rx_er(mac_gmii_rx_er), + .gmii_txd(mac_gmii_txd), + .gmii_tx_en(mac_gmii_tx_en), + .gmii_tx_er(mac_gmii_tx_er), + + /* + * PTP + */ + .tx_ptp_ts(tx_ptp_ts), + .rx_ptp_ts(rx_ptp_ts), + + /* + * Link-level Flow Control (LFC) (IEEE 802.3 annex 31B PAUSE) + */ + .tx_lfc_req(tx_lfc_req), + .tx_lfc_resend(tx_lfc_resend), + .rx_lfc_en(rx_lfc_en), + .rx_lfc_req(rx_lfc_req), + .rx_lfc_ack(rx_lfc_ack), + + /* + * Priority Flow Control (PFC) (IEEE 802.3 annex 31D PFC) + */ + .tx_pfc_req(tx_pfc_req), + .tx_pfc_resend(tx_pfc_resend), + .rx_pfc_en(rx_pfc_en), + .rx_pfc_req(rx_pfc_req), + .rx_pfc_ack(rx_pfc_ack), + + /* + * Pause interface + */ + .tx_lfc_pause_en(tx_lfc_pause_en), + .tx_pause_req(tx_pause_req), + .tx_pause_ack(tx_pause_ack), + + /* + * Control + */ + .rx_clk_enable(1'b1), + .tx_clk_enable(1'b1), + .rx_mii_select(1'b1), + .tx_mii_select(1'b1), + + /* + * Status + */ + .tx_start_packet(tx_start_packet), + .tx_error_underflow(tx_error_underflow), + .rx_start_packet(rx_start_packet), + .rx_error_bad_frame(rx_error_bad_frame), + .rx_error_bad_fcs(rx_error_bad_fcs), + .stat_tx_mcf(stat_tx_mcf), + .stat_rx_mcf(stat_rx_mcf), + .stat_tx_lfc_pkt(stat_tx_lfc_pkt), + .stat_tx_lfc_xon(stat_tx_lfc_xon), + .stat_tx_lfc_xoff(stat_tx_lfc_xoff), + .stat_tx_lfc_paused(stat_tx_lfc_paused), + .stat_tx_pfc_pkt(stat_tx_pfc_pkt), + .stat_tx_pfc_xon(stat_tx_pfc_xon), + .stat_tx_pfc_xoff(stat_tx_pfc_xoff), + .stat_tx_pfc_paused(stat_tx_pfc_paused), + .stat_rx_lfc_pkt(stat_rx_lfc_pkt), + .stat_rx_lfc_xon(stat_rx_lfc_xon), + .stat_rx_lfc_xoff(stat_rx_lfc_xoff), + .stat_rx_lfc_paused(stat_rx_lfc_paused), + .stat_rx_pfc_pkt(stat_rx_pfc_pkt), + .stat_rx_pfc_xon(stat_rx_pfc_xon), + .stat_rx_pfc_xoff(stat_rx_pfc_xoff), + .stat_rx_pfc_paused(stat_rx_pfc_paused), + + /* + * Configuration + */ + .cfg_ifg(cfg_ifg), + .cfg_tx_enable(cfg_tx_enable), + .cfg_rx_enable(cfg_rx_enable), + .cfg_mcf_rx_eth_dst_mcast(cfg_mcf_rx_eth_dst_mcast), + .cfg_mcf_rx_check_eth_dst_mcast(cfg_mcf_rx_check_eth_dst_mcast), + .cfg_mcf_rx_eth_dst_ucast(cfg_mcf_rx_eth_dst_ucast), + .cfg_mcf_rx_check_eth_dst_ucast(cfg_mcf_rx_check_eth_dst_ucast), + .cfg_mcf_rx_eth_src(cfg_mcf_rx_eth_src), + .cfg_mcf_rx_check_eth_src(cfg_mcf_rx_check_eth_src), + .cfg_mcf_rx_eth_type(cfg_mcf_rx_eth_type), + .cfg_mcf_rx_opcode_lfc(cfg_mcf_rx_opcode_lfc), + .cfg_mcf_rx_check_opcode_lfc(cfg_mcf_rx_check_opcode_lfc), + .cfg_mcf_rx_opcode_pfc(cfg_mcf_rx_opcode_pfc), + .cfg_mcf_rx_check_opcode_pfc(cfg_mcf_rx_check_opcode_pfc), + .cfg_mcf_rx_forward(cfg_mcf_rx_forward), + .cfg_mcf_rx_enable(cfg_mcf_rx_enable), + .cfg_tx_lfc_eth_dst(cfg_tx_lfc_eth_dst), + .cfg_tx_lfc_eth_src(cfg_tx_lfc_eth_src), + .cfg_tx_lfc_eth_type(cfg_tx_lfc_eth_type), + .cfg_tx_lfc_opcode(cfg_tx_lfc_opcode), + .cfg_tx_lfc_en(cfg_tx_lfc_en), + .cfg_tx_lfc_quanta(cfg_tx_lfc_quanta), + .cfg_tx_lfc_refresh(cfg_tx_lfc_refresh), + .cfg_tx_pfc_eth_dst(cfg_tx_pfc_eth_dst), + .cfg_tx_pfc_eth_src(cfg_tx_pfc_eth_src), + .cfg_tx_pfc_eth_type(cfg_tx_pfc_eth_type), + .cfg_tx_pfc_opcode(cfg_tx_pfc_opcode), + .cfg_tx_pfc_en(cfg_tx_pfc_en), + .cfg_tx_pfc_quanta(cfg_tx_pfc_quanta), + .cfg_tx_pfc_refresh(cfg_tx_pfc_refresh), + .cfg_rx_lfc_opcode(cfg_rx_lfc_opcode), + .cfg_rx_lfc_en(cfg_rx_lfc_en), + .cfg_rx_pfc_opcode(cfg_rx_pfc_opcode), + .cfg_rx_pfc_en(cfg_rx_pfc_en) +); + +endmodule + +`resetall diff --git a/tb/eth/taxi_eth_mac_mii/Makefile b/tb/eth/taxi_eth_mac_mii/Makefile new file mode 100644 index 0000000..cbe606a --- /dev/null +++ b/tb/eth/taxi_eth_mac_mii/Makefile @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: CERN-OHL-S-2.0 +# +# Copyright (c) 2020-2025 FPGA Ninja, LLC +# +# Authors: +# - Alex Forencich + +TOPLEVEL_LANG = verilog + +SIM ?= verilator +WAVES ?= 0 + +COCOTB_HDL_TIMEUNIT = 1ns +COCOTB_HDL_TIMEPRECISION = 1ps + +DUT = taxi_eth_mac_mii +COCOTB_TEST_MODULES = test_$(DUT) +COCOTB_TOPLEVEL = test_$(DUT) +MODULE = $(COCOTB_TEST_MODULES) +TOPLEVEL = $(COCOTB_TOPLEVEL) +VERILOG_SOURCES += $(COCOTB_TOPLEVEL).sv +VERILOG_SOURCES += ../../../rtl/eth/$(DUT).f + +# handle file list files +process_f_file = $(call process_f_files,$(addprefix $(dir $1),$(shell cat $1))) +process_f_files = $(foreach f,$1,$(if $(filter %.f,$f),$(call process_f_file,$f),$f)) +uniq_base = $(if $1,$(call uniq_base,$(foreach f,$1,$(if $(filter-out $(notdir $(lastword $1)),$(notdir $f)),$f,))) $(lastword $1)) +VERILOG_SOURCES := $(call uniq_base,$(call process_f_files,$(VERILOG_SOURCES))) + +# module parameters +export PARAM_SIM := 1 +export PARAM_VENDOR := "\"XILINX\"" +export PARAM_FAMILY := "\"virtex7\"" +export PARAM_PADDING_EN := 1 +export PARAM_MIN_FRAME_LEN := 64 +export PARAM_PTP_TS_EN := 1 +export PARAM_PTP_TS_W := 96 +export PARAM_TX_TAG_W := 16 +export PARAM_PFC_EN := 1 +export PARAM_PAUSE_EN := $(PARAM_PFC_EN) + +ifeq ($(SIM), icarus) + PLUSARGS += -fst + + COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(COCOTB_TOPLEVEL).$(subst PARAM_,,$(v))=$($(v))) +else ifeq ($(SIM), verilator) + COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v))) + + ifeq ($(WAVES), 1) + COMPILE_ARGS += --trace-fst + VERILATOR_TRACE = 1 + endif +endif + +include $(shell cocotb-config --makefiles)/Makefile.sim diff --git a/tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.py b/tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.py new file mode 100644 index 0000000..fea2543 --- /dev/null +++ b/tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.py @@ -0,0 +1,649 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: CERN-OHL-S-2.0 +""" + +Copyright (c) 2020-2025 FPGA Ninja, LLC + +Authors: +- Alex Forencich + +""" + +import itertools +import logging +import struct +import os + +from scapy.layers.l2 import Ether + +import pytest +import cocotb_test.simulator + +import cocotb +from cocotb.triggers import RisingEdge +from cocotb.utils import get_time_from_sim_steps +from cocotb.regression import TestFactory + +from cocotbext.eth import GmiiFrame, MiiPhy, PtpClockSimTime +from cocotbext.axi import AxiStreamBus, AxiStreamSource, AxiStreamSink, AxiStreamFrame + + +class TB: + def __init__(self, dut, speed=100e6): + self.dut = dut + + self.log = logging.getLogger("cocotb.tb") + self.log.setLevel(logging.DEBUG) + + self.mii_phy = MiiPhy(dut.mii_txd, dut.mii_tx_er, dut.mii_tx_en, dut.mii_tx_clk, + dut.mii_rxd, dut.mii_rx_er, dut.mii_rx_dv, dut.mii_rx_clk, speed=speed) + + # the UUT forwards mii_tx_clk/mii_rx_clk as tx_clk/rx_clk, which can cause problems in cocotb + self.axis_source = AxiStreamSource(AxiStreamBus.from_entity(dut.s_axis_tx), dut.mii_tx_clk, dut.tx_rst) + self.tx_cpl_sink = AxiStreamSink(AxiStreamBus.from_entity(dut.m_axis_tx_cpl), dut.mii_tx_clk, dut.tx_rst) + self.axis_sink = AxiStreamSink(AxiStreamBus.from_entity(dut.m_axis_rx), dut.mii_rx_clk, dut.rx_rst) + + self.rx_ptp_clock = PtpClockSimTime(ts_tod=dut.rx_ptp_ts, clock=dut.rx_clk) + self.tx_ptp_clock = PtpClockSimTime(ts_tod=dut.tx_ptp_ts, clock=dut.tx_clk) + + dut.tx_lfc_req.setimmediatevalue(0) + dut.tx_lfc_resend.setimmediatevalue(0) + dut.rx_lfc_en.setimmediatevalue(0) + dut.rx_lfc_ack.setimmediatevalue(0) + + dut.tx_pfc_req.setimmediatevalue(0) + dut.tx_pfc_resend.setimmediatevalue(0) + dut.rx_pfc_en.setimmediatevalue(0) + dut.rx_pfc_ack.setimmediatevalue(0) + + dut.tx_lfc_pause_en.setimmediatevalue(0) + dut.tx_pause_req.setimmediatevalue(0) + + dut.cfg_ifg.setimmediatevalue(0) + dut.cfg_tx_enable.setimmediatevalue(0) + dut.cfg_rx_enable.setimmediatevalue(0) + dut.cfg_mcf_rx_eth_dst_mcast.setimmediatevalue(0) + dut.cfg_mcf_rx_check_eth_dst_mcast.setimmediatevalue(0) + dut.cfg_mcf_rx_eth_dst_ucast.setimmediatevalue(0) + dut.cfg_mcf_rx_check_eth_dst_ucast.setimmediatevalue(0) + dut.cfg_mcf_rx_eth_src.setimmediatevalue(0) + dut.cfg_mcf_rx_check_eth_src.setimmediatevalue(0) + dut.cfg_mcf_rx_eth_type.setimmediatevalue(0) + dut.cfg_mcf_rx_opcode_lfc.setimmediatevalue(0) + dut.cfg_mcf_rx_check_opcode_lfc.setimmediatevalue(0) + dut.cfg_mcf_rx_opcode_pfc.setimmediatevalue(0) + dut.cfg_mcf_rx_check_opcode_pfc.setimmediatevalue(0) + dut.cfg_mcf_rx_forward.setimmediatevalue(0) + dut.cfg_mcf_rx_enable.setimmediatevalue(0) + dut.cfg_tx_lfc_eth_dst.setimmediatevalue(0) + dut.cfg_tx_lfc_eth_src.setimmediatevalue(0) + dut.cfg_tx_lfc_eth_type.setimmediatevalue(0) + dut.cfg_tx_lfc_opcode.setimmediatevalue(0) + dut.cfg_tx_lfc_en.setimmediatevalue(0) + dut.cfg_tx_lfc_quanta.setimmediatevalue(0) + dut.cfg_tx_lfc_refresh.setimmediatevalue(0) + dut.cfg_tx_pfc_eth_dst.setimmediatevalue(0) + dut.cfg_tx_pfc_eth_src.setimmediatevalue(0) + dut.cfg_tx_pfc_eth_type.setimmediatevalue(0) + dut.cfg_tx_pfc_opcode.setimmediatevalue(0) + dut.cfg_tx_pfc_en.setimmediatevalue(0) + dut.cfg_tx_pfc_quanta.setimmediatevalue(0) + dut.cfg_tx_pfc_refresh.setimmediatevalue(0) + dut.cfg_rx_lfc_opcode.setimmediatevalue(0) + dut.cfg_rx_lfc_en.setimmediatevalue(0) + dut.cfg_rx_pfc_opcode.setimmediatevalue(0) + dut.cfg_rx_pfc_en.setimmediatevalue(0) + + async def reset(self): + self.dut.rst.setimmediatevalue(0) + await RisingEdge(self.dut.tx_clk) + await RisingEdge(self.dut.tx_clk) + self.dut.rst.value = 1 + await RisingEdge(self.dut.tx_clk) + await RisingEdge(self.dut.tx_clk) + self.dut.rst.value = 0 + await RisingEdge(self.dut.tx_clk) + await RisingEdge(self.dut.tx_clk) + + +async def run_test_rx(dut, payload_lengths=None, payload_data=None, ifg=12, speed=100e6): + + tb = TB(dut, speed) + + tb.mii_phy.rx.ifg = ifg + tb.dut.cfg_ifg.value = ifg + tb.dut.cfg_rx_enable.value = 1 + + await tb.reset() + + for k in range(100): + await RisingEdge(dut.rx_clk) + + test_frames = [payload_data(x) for x in payload_lengths()] + tx_frames = [] + + for test_data in test_frames: + test_frame = GmiiFrame.from_payload(test_data, tx_complete=tx_frames.append) + await tb.mii_phy.rx.send(test_frame) + + for test_data in test_frames: + rx_frame = await tb.axis_sink.recv() + tx_frame = tx_frames.pop(0) + + frame_error = rx_frame.tuser & 1 + ptp_ts = rx_frame.tuser >> 1 + ptp_ts_ns = ptp_ts / 2**16 + + tx_frame_sfd_ns = get_time_from_sim_steps(tx_frame.sim_time_sfd, "ns") + + tb.log.info("RX frame PTP TS: %f ns", ptp_ts_ns) + tb.log.info("TX frame SFD sim time: %f ns", tx_frame_sfd_ns) + tb.log.info("Difference: %f ns", abs(ptp_ts_ns - tx_frame_sfd_ns)) + + assert rx_frame.tdata == test_data + assert frame_error == 0 + if speed == 10e6: + assert abs(ptp_ts_ns - tx_frame_sfd_ns - 800) < 0.01 + elif speed == 100e6: + assert abs(ptp_ts_ns - tx_frame_sfd_ns - 80) < 0.01 + + assert tb.axis_sink.empty() + + await RisingEdge(dut.rx_clk) + await RisingEdge(dut.rx_clk) + + +async def run_test_tx(dut, payload_lengths=None, payload_data=None, ifg=12, speed=100e6): + + tb = TB(dut, speed) + + tb.mii_phy.rx.ifg = ifg + tb.dut.cfg_ifg.value = ifg + tb.dut.cfg_tx_enable.value = 1 + + await tb.reset() + + for k in range(100): + await RisingEdge(dut.rx_clk) + + test_frames = [payload_data(x) for x in payload_lengths()] + + for test_data in test_frames: + await tb.axis_source.send(test_data) + + for test_data in test_frames: + rx_frame = await tb.mii_phy.tx.recv() + + assert rx_frame.get_payload() == test_data + assert rx_frame.check_fcs() + assert rx_frame.error is None + + assert tb.mii_phy.tx.empty() + + await RisingEdge(dut.tx_clk) + await RisingEdge(dut.tx_clk) + + +async def run_test_tx_underrun(dut, ifg=12): + + tb = TB(dut) + + tb.mii_phy.rx.ifg = ifg + tb.dut.cfg_ifg.value = ifg + tb.dut.cfg_tx_enable.value = 1 + + await tb.reset() + + for k in range(100): + await RisingEdge(dut.rx_clk) + + test_data = bytes(x for x in range(60)) + + for k in range(3): + test_frame = AxiStreamFrame(test_data) + await tb.axis_source.send(test_frame) + + for k in range(200): + await RisingEdge(dut.tx_clk) + + tb.axis_source.pause = True + + for k in range(10): + await RisingEdge(dut.tx_clk) + + tb.axis_source.pause = False + + for k in range(3): + rx_frame = await tb.mii_phy.tx.recv() + + if k == 1: + assert rx_frame.error[-1] == 1 + else: + assert rx_frame.get_payload() == test_data + assert rx_frame.check_fcs() + assert rx_frame.error is None + + assert tb.mii_phy.tx.empty() + + await RisingEdge(dut.tx_clk) + await RisingEdge(dut.tx_clk) + + +async def run_test_tx_error(dut, ifg=12): + + tb = TB(dut) + + tb.mii_phy.rx.ifg = ifg + tb.dut.cfg_ifg.value = ifg + tb.dut.cfg_tx_enable.value = 1 + + await tb.reset() + + for k in range(100): + await RisingEdge(dut.rx_clk) + + test_data = bytes(x for x in range(60)) + + for k in range(3): + test_frame = AxiStreamFrame(test_data) + if k == 1: + test_frame.tuser = 1 + await tb.axis_source.send(test_frame) + + for k in range(3): + rx_frame = await tb.mii_phy.tx.recv() + + if k == 1: + assert rx_frame.error[-1] == 1 + else: + assert rx_frame.get_payload() == test_data + assert rx_frame.check_fcs() + assert rx_frame.error is None + + assert tb.mii_phy.tx.empty() + + await RisingEdge(dut.tx_clk) + await RisingEdge(dut.tx_clk) + + +async def run_test_lfc(dut, ifg=12, speed=1000e6): + + tb = TB(dut, speed) + + tb.mii_phy.rx.ifg = ifg + tb.dut.cfg_ifg.value = ifg + tb.dut.cfg_rx_enable.value = 1 + tb.dut.cfg_tx_enable.value = 1 + + await tb.reset() + + for k in range(100): + await RisingEdge(dut.rx_clk) + + dut.tx_lfc_req.value = 0 + dut.tx_lfc_resend.value = 0 + dut.rx_lfc_en.value = 1 + dut.rx_lfc_ack.value = 0 + + dut.tx_lfc_pause_en.value = 1 + dut.tx_pause_req.value = 0 + + dut.cfg_mcf_rx_eth_dst_mcast.value = 0x0180C2000001 + dut.cfg_mcf_rx_check_eth_dst_mcast.value = 1 + dut.cfg_mcf_rx_eth_dst_ucast.value = 0xDAD1D2D3D4D5 + dut.cfg_mcf_rx_check_eth_dst_ucast.value = 0 + dut.cfg_mcf_rx_eth_src.value = 0x5A5152535455 + dut.cfg_mcf_rx_check_eth_src.value = 0 + dut.cfg_mcf_rx_eth_type.value = 0x8808 + dut.cfg_mcf_rx_opcode_lfc.value = 0x0001 + dut.cfg_mcf_rx_check_opcode_lfc.value = 1 + dut.cfg_mcf_rx_opcode_pfc.value = 0x0101 + dut.cfg_mcf_rx_check_opcode_pfc.value = 1 + + dut.cfg_mcf_rx_forward.value = 0 + dut.cfg_mcf_rx_enable.value = 1 + + dut.cfg_tx_lfc_eth_dst.value = 0x0180C2000001 + dut.cfg_tx_lfc_eth_src.value = 0x5A5152535455 + dut.cfg_tx_lfc_eth_type.value = 0x8808 + dut.cfg_tx_lfc_opcode.value = 0x0001 + dut.cfg_tx_lfc_en.value = 1 + dut.cfg_tx_lfc_quanta.value = 0xFFFF + dut.cfg_tx_lfc_refresh.value = 0x7F00 + + dut.cfg_rx_lfc_opcode.value = 0x0001 + dut.cfg_rx_lfc_en.value = 1 + + test_tx_pkts = [] + test_rx_pkts = [] + + for k in range(32): + length = 128 + payload = bytearray(itertools.islice(itertools.cycle(range(256)), length)) + + eth = Ether(src='5A:51:52:53:54:55', dst='DA:D1:D2:D3:D4:D5', type=0x8000) + test_pkt = eth / payload + test_tx_pkts.append(test_pkt.copy()) + + await tb.axis_source.send(bytes(test_pkt)) + + eth = Ether(src='DA:D1:D2:D3:D4:D5', dst='5A:51:52:53:54:55', type=0x8000) + test_pkt = eth / payload + test_rx_pkts.append(test_pkt.copy()) + + test_frame = GmiiFrame.from_payload(bytes(test_pkt)) + await tb.mii_phy.rx.send(test_frame) + + if k == 16: + eth = Ether(src='DA:D1:D2:D3:D4:D5', dst='01:80:C2:00:00:01', type=0x8808) + test_pkt = eth / struct.pack('!HH', 0x0001, 100) + test_rx_pkts.append(test_pkt.copy()) + + test_frame = GmiiFrame.from_payload(bytes(test_pkt)) + await tb.mii_phy.rx.send(test_frame) + + for k in range(1000): + await RisingEdge(dut.tx_clk) + + dut.tx_lfc_req.value = 1 + + for k in range(1000): + await RisingEdge(dut.tx_clk) + + dut.tx_lfc_req.value = 0 + + while not dut.rx_lfc_req.value.integer: + await RisingEdge(dut.tx_clk) + + for k in range(1000): + await RisingEdge(dut.tx_clk) + + dut.tx_lfc_req.value = 1 + + for k in range(1000): + await RisingEdge(dut.tx_clk) + + dut.tx_lfc_req.value = 0 + + while test_rx_pkts: + rx_frame = await tb.axis_sink.recv() + + rx_pkt = Ether(bytes(rx_frame)) + + tb.log.info("RX packet: %s", repr(rx_pkt)) + + if rx_pkt.type == 0x8808: + test_pkt = test_rx_pkts.pop(0) + # check prefix as frame gets zero-padded + assert bytes(rx_pkt).find(bytes(test_pkt)) == 0 + if isinstance(rx_frame.tuser, list): + assert rx_frame.tuser[-1] & 1 + else: + assert rx_frame.tuser & 1 + else: + test_pkt = test_rx_pkts.pop(0) + # check prefix as frame gets zero-padded + assert bytes(rx_pkt).find(bytes(test_pkt)) == 0 + if isinstance(rx_frame.tuser, list): + assert not rx_frame.tuser[-1] & 1 + else: + assert not rx_frame.tuser & 1 + + tx_lfc_cnt = 0 + + while test_tx_pkts: + tx_frame = await tb.mii_phy.tx.recv() + + tx_pkt = Ether(bytes(tx_frame.get_payload())) + + tb.log.info("TX packet: %s", repr(tx_pkt)) + + if tx_pkt.type == 0x8808: + tx_lfc_cnt += 1 + else: + test_pkt = test_tx_pkts.pop(0) + # check prefix as frame gets zero-padded + assert bytes(tx_pkt).find(bytes(test_pkt)) == 0 + + assert tx_lfc_cnt == 4 + + assert tb.axis_sink.empty() + assert tb.mii_phy.tx.empty() + + await RisingEdge(dut.tx_clk) + await RisingEdge(dut.tx_clk) + + +async def run_test_pfc(dut, ifg=12, speed=1000e6): + + tb = TB(dut, speed) + + tb.mii_phy.rx.ifg = ifg + tb.dut.cfg_ifg.value = ifg + tb.dut.cfg_rx_enable.value = 1 + tb.dut.cfg_tx_enable.value = 1 + + await tb.reset() + + for k in range(100): + await RisingEdge(dut.rx_clk) + + dut.tx_pfc_req.value = 0x00 + dut.tx_pfc_resend.value = 0 + dut.rx_pfc_en.value = 0xff + dut.rx_pfc_ack.value = 0 + + dut.tx_lfc_pause_en.value = 0 + dut.tx_pause_req.value = 0 + + dut.cfg_mcf_rx_eth_dst_mcast.value = 0x0180C2000001 + dut.cfg_mcf_rx_check_eth_dst_mcast.value = 1 + dut.cfg_mcf_rx_eth_dst_ucast.value = 0xDAD1D2D3D4D5 + dut.cfg_mcf_rx_check_eth_dst_ucast.value = 0 + dut.cfg_mcf_rx_eth_src.value = 0x5A5152535455 + dut.cfg_mcf_rx_check_eth_src.value = 0 + dut.cfg_mcf_rx_eth_type.value = 0x8808 + dut.cfg_mcf_rx_opcode_lfc.value = 0x0001 + dut.cfg_mcf_rx_check_opcode_lfc.value = 1 + dut.cfg_mcf_rx_opcode_pfc.value = 0x0101 + dut.cfg_mcf_rx_check_opcode_pfc.value = 1 + + dut.cfg_mcf_rx_forward.value = 0 + dut.cfg_mcf_rx_enable.value = 1 + + dut.cfg_tx_pfc_eth_dst.value = 0x0180C2000001 + dut.cfg_tx_pfc_eth_src.value = 0x5A5152535455 + dut.cfg_tx_pfc_eth_type.value = 0x8808 + dut.cfg_tx_pfc_opcode.value = 0x0101 + dut.cfg_tx_pfc_en.value = 1 + dut.cfg_tx_pfc_quanta.value = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF + dut.cfg_tx_pfc_refresh.value = 0x7F007F007F007F007F007F007F007F00 + + dut.cfg_rx_pfc_opcode.value = 0x0101 + dut.cfg_rx_pfc_en.value = 1 + + test_tx_pkts = [] + test_rx_pkts = [] + + for k in range(32): + length = 128 + payload = bytearray(itertools.islice(itertools.cycle(range(256)), length)) + + eth = Ether(src='5A:51:52:53:54:55', dst='DA:D1:D2:D3:D4:D5', type=0x8000) + test_pkt = eth / payload + test_tx_pkts.append(test_pkt.copy()) + + await tb.axis_source.send(bytes(test_pkt)) + + eth = Ether(src='DA:D1:D2:D3:D4:D5', dst='5A:51:52:53:54:55', type=0x8000) + test_pkt = eth / payload + test_rx_pkts.append(test_pkt.copy()) + + test_frame = GmiiFrame.from_payload(bytes(test_pkt)) + await tb.mii_phy.rx.send(test_frame) + + if k == 16: + eth = Ether(src='DA:D1:D2:D3:D4:D5', dst='01:80:C2:00:00:01', type=0x8808) + test_pkt = eth / struct.pack('!HH8H', 0x0101, 0x00FF, 10, 20, 30, 40, 50, 60, 70, 80) + test_rx_pkts.append(test_pkt.copy()) + + test_frame = GmiiFrame.from_payload(bytes(test_pkt)) + await tb.mii_phy.rx.send(test_frame) + + for i in range(8): + for k in range(500): + await RisingEdge(dut.tx_clk) + + dut.tx_pfc_req.value = 0xff >> (7-i) + + for k in range(500): + await RisingEdge(dut.tx_clk) + + dut.tx_pfc_req.value = 0x00 + + while test_rx_pkts: + rx_frame = await tb.axis_sink.recv() + + rx_pkt = Ether(bytes(rx_frame)) + + tb.log.info("RX packet: %s", repr(rx_pkt)) + + if rx_pkt.type == 0x8808: + test_pkt = test_rx_pkts.pop(0) + # check prefix as frame gets zero-padded + assert bytes(rx_pkt).find(bytes(test_pkt)) == 0 + if isinstance(rx_frame.tuser, list): + assert rx_frame.tuser[-1] & 1 + else: + assert rx_frame.tuser & 1 + else: + test_pkt = test_rx_pkts.pop(0) + # check prefix as frame gets zero-padded + assert bytes(rx_pkt).find(bytes(test_pkt)) == 0 + if isinstance(rx_frame.tuser, list): + assert not rx_frame.tuser[-1] & 1 + else: + assert not rx_frame.tuser & 1 + + tx_pfc_cnt = 0 + + while test_tx_pkts: + tx_frame = await tb.mii_phy.tx.recv() + + tx_pkt = Ether(bytes(tx_frame.get_payload())) + + tb.log.info("TX packet: %s", repr(tx_pkt)) + + if tx_pkt.type == 0x8808: + tx_pfc_cnt += 1 + else: + test_pkt = test_tx_pkts.pop(0) + # check prefix as frame gets zero-padded + assert bytes(tx_pkt).find(bytes(test_pkt)) == 0 + + assert tx_pfc_cnt > 2 and tx_pfc_cnt <= 9 + + assert tb.axis_sink.empty() + assert tb.mii_phy.tx.empty() + + await RisingEdge(dut.tx_clk) + await RisingEdge(dut.tx_clk) + + +def size_list(): + return list(range(60, 128)) + [512, 1514] + [60]*10 + + +def incrementing_payload(length): + return bytearray(itertools.islice(itertools.cycle(range(256)), length)) + + +def cycle_en(): + return itertools.cycle([0, 0, 0, 1]) + + +if cocotb.SIM_NAME: + + for test in [run_test_rx, run_test_tx]: + + factory = TestFactory(test) + factory.add_option("payload_lengths", [size_list]) + factory.add_option("payload_data", [incrementing_payload]) + factory.add_option("ifg", [12]) + factory.add_option("speed", [100e6, 10e6]) + factory.generate_tests() + + for test in [run_test_tx_underrun, run_test_tx_error]: + + factory = TestFactory(test) + factory.add_option("ifg", [12]) + factory.generate_tests() + + if cocotb.top.PFC_EN.value: + for test in [run_test_lfc, run_test_pfc]: + factory = TestFactory(test) + factory.add_option("ifg", [12]) + factory.add_option("speed", [100e6, 10e6]) + factory.generate_tests() + + +# cocotb-test + +tests_dir = os.path.abspath(os.path.dirname(__file__)) +rtl_dir = os.path.abspath(os.path.join(tests_dir, '..', '..', '..', 'rtl')) + + +def process_f_files(files): + lst = {} + for f in files: + if f[-2:].lower() == '.f': + with open(f, 'r') as fp: + l = fp.read().split() + for f in process_f_files([os.path.join(os.path.dirname(f), x) for x in l]): + lst[os.path.basename(f)] = f + else: + lst[os.path.basename(f)] = f + return list(lst.values()) + + +@pytest.mark.parametrize("pfc_en", [1, 0]) +def test_taxi_eth_mac_mii(request, pfc_en): + dut = "taxi_eth_mac_mii" + module = os.path.splitext(os.path.basename(__file__))[0] + toplevel = module + + verilog_sources = [ + os.path.join(tests_dir, f"{toplevel}.sv"), + os.path.join(rtl_dir, "eth", f"{dut}.f"), + ] + + verilog_sources = process_f_files(verilog_sources) + + parameters = {} + + parameters['SIM'] = 1 + parameters['VENDOR'] = "\"XILINX\"" + parameters['FAMILY'] = "\"virtex7\"" + parameters['PADDING_EN'] = 1 + parameters['MIN_FRAME_LEN'] = 64 + parameters['PTP_TS_EN'] = 1 + parameters['PTP_TS_W'] = 96 + parameters['TX_TAG_W'] = 16 + parameters['PFC_EN'] = pfc_en + parameters['PAUSE_EN'] = parameters['PFC_EN'] + + extra_env = {f'PARAM_{k}': str(v) for k, v in parameters.items()} + + sim_build = os.path.join(tests_dir, "sim_build", + request.node.name.replace('[', '-').replace(']', '')) + + cocotb_test.simulator.run( + simulator="verilator", + python_search=[tests_dir], + verilog_sources=verilog_sources, + toplevel=toplevel, + module=module, + parameters=parameters, + sim_build=sim_build, + extra_env=extra_env, + ) diff --git a/tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.sv b/tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.sv new file mode 100644 index 0000000..976d11a --- /dev/null +++ b/tb/eth/taxi_eth_mac_mii/test_taxi_eth_mac_mii.sv @@ -0,0 +1,276 @@ +// SPDX-License-Identifier: CERN-OHL-S-2.0 +/* + +Copyright (c) 2025 FPGA Ninja, LLC + +Authors: +- Alex Forencich + +*/ + +`resetall +`timescale 1ns / 1ps +`default_nettype none + +/* + * 10M/100M Ethernet MAC with MII interface testbench + */ +module test_taxi_eth_mac_mii # +( + /* verilator lint_off WIDTHTRUNC */ + parameter logic SIM = 1'b1, + parameter VENDOR = "XILINX", + parameter FAMILY = "virtex7", + parameter logic PADDING_EN = 1'b1, + parameter MIN_FRAME_LEN = 64, + parameter logic PTP_TS_EN = 1'b0, + parameter PTP_TS_W = 96, + parameter TX_TAG_W = 16, + parameter logic PFC_EN = 1'b0, + parameter logic PAUSE_EN = PFC_EN + /* verilator lint_on WIDTHTRUNC */ +) +(); + +localparam DATA_W = 8; +localparam TX_USER_W = 1; +localparam RX_USER_W = (PTP_TS_EN ? PTP_TS_W : 0) + 1; + +logic rst; +logic rx_clk; +logic rx_rst; +logic tx_clk; +logic tx_rst; + +taxi_axis_if #(.DATA_W(DATA_W), .USER_EN(1), .USER_W(TX_USER_W), .ID_EN(1), .ID_W(TX_TAG_W)) s_axis_tx(); +taxi_axis_if #(.DATA_W(PTP_TS_W), .KEEP_W(1), .ID_EN(1), .ID_W(TX_TAG_W)) m_axis_tx_cpl(); +taxi_axis_if #(.DATA_W(DATA_W), .USER_EN(1), .USER_W(RX_USER_W)) m_axis_rx(); + +logic mii_rx_clk; +logic [3:0] mii_rxd; +logic mii_rx_dv; +logic mii_rx_er; +logic mii_tx_clk; +logic [3:0] mii_txd; +logic mii_tx_en; +logic mii_tx_er; + +logic [PTP_TS_W-1:0] tx_ptp_ts; +logic [PTP_TS_W-1:0] rx_ptp_ts; + +logic tx_lfc_req; +logic tx_lfc_resend; +logic rx_lfc_en; +logic rx_lfc_req; +logic rx_lfc_ack; + +logic [7:0] tx_pfc_req; +logic tx_pfc_resend; +logic [7:0] rx_pfc_en; +logic [7:0] rx_pfc_req; +logic [7:0] rx_pfc_ack; + +logic tx_lfc_pause_en; +logic tx_pause_req; +logic tx_pause_ack; + +logic tx_start_packet; +logic tx_error_underflow; +logic rx_start_packet; +logic rx_error_bad_frame; +logic rx_error_bad_fcs; +logic stat_tx_mcf; +logic stat_rx_mcf; +logic stat_tx_lfc_pkt; +logic stat_tx_lfc_xon; +logic stat_tx_lfc_xoff; +logic stat_tx_lfc_paused; +logic stat_tx_pfc_pkt; +logic [7:0] stat_tx_pfc_xon; +logic [7:0] stat_tx_pfc_xoff; +logic [7:0] stat_tx_pfc_paused; +logic stat_rx_lfc_pkt; +logic stat_rx_lfc_xon; +logic stat_rx_lfc_xoff; +logic stat_rx_lfc_paused; +logic stat_rx_pfc_pkt; +logic [7:0] stat_rx_pfc_xon; +logic [7:0] stat_rx_pfc_xoff; +logic [7:0] stat_rx_pfc_paused; + +logic [7:0] cfg_ifg; +logic cfg_tx_enable; +logic cfg_rx_enable; +logic [47:0] cfg_mcf_rx_eth_dst_mcast; +logic cfg_mcf_rx_check_eth_dst_mcast; +logic [47:0] cfg_mcf_rx_eth_dst_ucast; +logic cfg_mcf_rx_check_eth_dst_ucast; +logic [47:0] cfg_mcf_rx_eth_src; +logic cfg_mcf_rx_check_eth_src; +logic [15:0] cfg_mcf_rx_eth_type; +logic [15:0] cfg_mcf_rx_opcode_lfc; +logic cfg_mcf_rx_check_opcode_lfc; +logic [15:0] cfg_mcf_rx_opcode_pfc; +logic cfg_mcf_rx_check_opcode_pfc; +logic cfg_mcf_rx_forward; +logic cfg_mcf_rx_enable; +logic [47:0] cfg_tx_lfc_eth_dst; +logic [47:0] cfg_tx_lfc_eth_src; +logic [15:0] cfg_tx_lfc_eth_type; +logic [15:0] cfg_tx_lfc_opcode; +logic cfg_tx_lfc_en; +logic [15:0] cfg_tx_lfc_quanta; +logic [15:0] cfg_tx_lfc_refresh; +logic [47:0] cfg_tx_pfc_eth_dst; +logic [47:0] cfg_tx_pfc_eth_src; +logic [15:0] cfg_tx_pfc_eth_type; +logic [15:0] cfg_tx_pfc_opcode; +logic cfg_tx_pfc_en; +logic [8*16-1:0] cfg_tx_pfc_quanta; +logic [8*16-1:0] cfg_tx_pfc_refresh; +logic [15:0] cfg_rx_lfc_opcode; +logic cfg_rx_lfc_en; +logic [15:0] cfg_rx_pfc_opcode; +logic cfg_rx_pfc_en; + +taxi_eth_mac_mii #( + .SIM(SIM), + .VENDOR(VENDOR), + .FAMILY(FAMILY), + .PADDING_EN(PADDING_EN), + .MIN_FRAME_LEN(MIN_FRAME_LEN), + .PTP_TS_EN(PTP_TS_EN), + .PTP_TS_W(PTP_TS_W), + .PFC_EN(PFC_EN), + .PAUSE_EN(PAUSE_EN) +) +uut ( + .rst(rst), + .rx_clk(rx_clk), + .rx_rst(rx_rst), + .tx_clk(tx_clk), + .tx_rst(tx_rst), + + /* + * Transmit interface (AXI stream) + */ + .s_axis_tx(s_axis_tx), + .m_axis_tx_cpl(m_axis_tx_cpl), + + /* + * Receive interface (AXI stream) + */ + .m_axis_rx(m_axis_rx), + + /* + * MII interface + */ + .mii_rx_clk(mii_rx_clk), + .mii_rxd(mii_rxd), + .mii_rx_dv(mii_rx_dv), + .mii_rx_er(mii_rx_er), + .mii_tx_clk(mii_tx_clk), + .mii_txd(mii_txd), + .mii_tx_en(mii_tx_en), + .mii_tx_er(mii_tx_er), + + /* + * PTP + */ + .tx_ptp_ts(tx_ptp_ts), + .rx_ptp_ts(rx_ptp_ts), + + /* + * Link-level Flow Control (LFC) (IEEE 802.3 annex 31B PAUSE) + */ + .tx_lfc_req(tx_lfc_req), + .tx_lfc_resend(tx_lfc_resend), + .rx_lfc_en(rx_lfc_en), + .rx_lfc_req(rx_lfc_req), + .rx_lfc_ack(rx_lfc_ack), + + /* + * Priority Flow Control (PFC) (IEEE 802.3 annex 31D PFC) + */ + .tx_pfc_req(tx_pfc_req), + .tx_pfc_resend(tx_pfc_resend), + .rx_pfc_en(rx_pfc_en), + .rx_pfc_req(rx_pfc_req), + .rx_pfc_ack(rx_pfc_ack), + + /* + * Pause interface + */ + .tx_lfc_pause_en(tx_lfc_pause_en), + .tx_pause_req(tx_pause_req), + .tx_pause_ack(tx_pause_ack), + + /* + * Status + */ + .tx_start_packet(tx_start_packet), + .tx_error_underflow(tx_error_underflow), + .rx_start_packet(rx_start_packet), + .rx_error_bad_frame(rx_error_bad_frame), + .rx_error_bad_fcs(rx_error_bad_fcs), + .stat_tx_mcf(stat_tx_mcf), + .stat_rx_mcf(stat_rx_mcf), + .stat_tx_lfc_pkt(stat_tx_lfc_pkt), + .stat_tx_lfc_xon(stat_tx_lfc_xon), + .stat_tx_lfc_xoff(stat_tx_lfc_xoff), + .stat_tx_lfc_paused(stat_tx_lfc_paused), + .stat_tx_pfc_pkt(stat_tx_pfc_pkt), + .stat_tx_pfc_xon(stat_tx_pfc_xon), + .stat_tx_pfc_xoff(stat_tx_pfc_xoff), + .stat_tx_pfc_paused(stat_tx_pfc_paused), + .stat_rx_lfc_pkt(stat_rx_lfc_pkt), + .stat_rx_lfc_xon(stat_rx_lfc_xon), + .stat_rx_lfc_xoff(stat_rx_lfc_xoff), + .stat_rx_lfc_paused(stat_rx_lfc_paused), + .stat_rx_pfc_pkt(stat_rx_pfc_pkt), + .stat_rx_pfc_xon(stat_rx_pfc_xon), + .stat_rx_pfc_xoff(stat_rx_pfc_xoff), + .stat_rx_pfc_paused(stat_rx_pfc_paused), + + /* + * Configuration + */ + .cfg_ifg(cfg_ifg), + .cfg_tx_enable(cfg_tx_enable), + .cfg_rx_enable(cfg_rx_enable), + .cfg_mcf_rx_eth_dst_mcast(cfg_mcf_rx_eth_dst_mcast), + .cfg_mcf_rx_check_eth_dst_mcast(cfg_mcf_rx_check_eth_dst_mcast), + .cfg_mcf_rx_eth_dst_ucast(cfg_mcf_rx_eth_dst_ucast), + .cfg_mcf_rx_check_eth_dst_ucast(cfg_mcf_rx_check_eth_dst_ucast), + .cfg_mcf_rx_eth_src(cfg_mcf_rx_eth_src), + .cfg_mcf_rx_check_eth_src(cfg_mcf_rx_check_eth_src), + .cfg_mcf_rx_eth_type(cfg_mcf_rx_eth_type), + .cfg_mcf_rx_opcode_lfc(cfg_mcf_rx_opcode_lfc), + .cfg_mcf_rx_check_opcode_lfc(cfg_mcf_rx_check_opcode_lfc), + .cfg_mcf_rx_opcode_pfc(cfg_mcf_rx_opcode_pfc), + .cfg_mcf_rx_check_opcode_pfc(cfg_mcf_rx_check_opcode_pfc), + .cfg_mcf_rx_forward(cfg_mcf_rx_forward), + .cfg_mcf_rx_enable(cfg_mcf_rx_enable), + .cfg_tx_lfc_eth_dst(cfg_tx_lfc_eth_dst), + .cfg_tx_lfc_eth_src(cfg_tx_lfc_eth_src), + .cfg_tx_lfc_eth_type(cfg_tx_lfc_eth_type), + .cfg_tx_lfc_opcode(cfg_tx_lfc_opcode), + .cfg_tx_lfc_en(cfg_tx_lfc_en), + .cfg_tx_lfc_quanta(cfg_tx_lfc_quanta), + .cfg_tx_lfc_refresh(cfg_tx_lfc_refresh), + .cfg_tx_pfc_eth_dst(cfg_tx_pfc_eth_dst), + .cfg_tx_pfc_eth_src(cfg_tx_pfc_eth_src), + .cfg_tx_pfc_eth_type(cfg_tx_pfc_eth_type), + .cfg_tx_pfc_opcode(cfg_tx_pfc_opcode), + .cfg_tx_pfc_en(cfg_tx_pfc_en), + .cfg_tx_pfc_quanta(cfg_tx_pfc_quanta), + .cfg_tx_pfc_refresh(cfg_tx_pfc_refresh), + .cfg_rx_lfc_opcode(cfg_rx_lfc_opcode), + .cfg_rx_lfc_en(cfg_rx_lfc_en), + .cfg_rx_pfc_opcode(cfg_rx_pfc_opcode), + .cfg_rx_pfc_en(cfg_rx_pfc_en) +); + +endmodule + +`resetall