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b91df26d4a
If we are in a shared interrupt handler, the called handlers might indicate it was not their interrupt, so we should not increment the call counter of these handlers.
58 lines
1.4 KiB
C++
58 lines
1.4 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/IO.h>
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#include <Kernel/Net/NetworkAdapter.h>
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#include <Kernel/PCI/Access.h>
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#include <Kernel/PCI/Device.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:
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static RefPtr<NE2000NetworkAdapter> try_to_initialize(PCI::Address);
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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 { return m_link_up; }
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virtual const char* purpose() const override { return class_name(); }
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private:
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NE2000NetworkAdapter(PCI::Address, u8 irq);
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virtual bool handle_irq(const RegisterState&) override;
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virtual const char* class_name() const override { return "NE2000NetworkAdapter"; }
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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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IOAddress m_io_base;
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int m_ring_read_ptr;
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u8 m_interrupt_line { 0 };
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bool m_link_up { false };
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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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