mirror of
https://github.com/RGBCube/serenity
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288a73ea0e
A virtual method named device_name() was added to Kernel::PCI to support logging the PCI::Device name and address using dmesgln_pci. Previously, PCI::Device did not store the device name. All devices inheriting from PCI::Device now use dmesgln_pci where they previously used dmesgln.
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/OwnPtr.h>
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#include <Kernel/Bus/PCI/Access.h>
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#include <Kernel/Bus/PCI/Device.h>
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#include <Kernel/IOWindow.h>
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#include <Kernel/Interrupts/IRQHandler.h>
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#include <Kernel/Net/NetworkAdapter.h>
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#include <Kernel/Random.h>
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namespace Kernel {
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class NE2000NetworkAdapter final : public NetworkAdapter
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, public PCI::Device
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, public IRQHandler {
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public:
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static ErrorOr<LockRefPtr<NE2000NetworkAdapter>> try_to_initialize(PCI::DeviceIdentifier const&);
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virtual ~NE2000NetworkAdapter() override;
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virtual void send_raw(ReadonlyBytes) override;
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virtual bool link_up() override
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{
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// Pure NE2000 doesn't seem to have a link status indicator, so
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// just assume that it's up.
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return true;
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}
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virtual i32 link_speed() override
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{
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// Can only do 10mbit..
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return 10;
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}
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virtual bool link_full_duplex() override { return true; }
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virtual StringView purpose() const override { return class_name(); }
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virtual StringView device_name() const override { return class_name(); }
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private:
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NE2000NetworkAdapter(PCI::Address, u8, NonnullOwnPtr<IOWindow> registers_io_window, NonnullOwnPtr<KString>);
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virtual bool handle_irq(RegisterState const&) override;
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virtual StringView class_name() const override { return "NE2000NetworkAdapter"sv; }
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int ram_test();
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void reset();
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void rdma_read(size_t address, Bytes payload);
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void rdma_write(size_t address, ReadonlyBytes payload);
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void receive();
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void out8(u16 address, u8 data);
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void out16(u16 address, u16 data);
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u8 in8(u16 address);
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u16 in16(u16 address);
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NonnullOwnPtr<IOWindow> m_registers_io_window;
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int m_ring_read_ptr;
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u8 m_interrupt_line { 0 };
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MACAddress m_mac_address;
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EntropySource m_entropy_source;
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WaitQueue m_wait_queue;
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};
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}
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