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https://github.com/RGBCube/serenity
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Kernel: Implement rtl8139 network interface driver
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parent
286bafbb19
commit
4afe9e4f2a
5 changed files with 444 additions and 6 deletions
49
Kernel/Net/RTL8139NetworkAdapter.h
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49
Kernel/Net/RTL8139NetworkAdapter.h
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#pragma once
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#include <AK/OwnPtr.h>
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#include <AK/RefPtr.h>
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#include <Kernel/IRQHandler.h>
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#include <Kernel/Net/NetworkAdapter.h>
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#include <Kernel/PCI.h>
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#define RTL8139_TX_BUFFER_COUNT 4
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class RTL8139NetworkAdapter final : public NetworkAdapter
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, public IRQHandler {
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public:
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static RTL8139NetworkAdapter* the();
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static OwnPtr<RTL8139NetworkAdapter> autodetect();
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RTL8139NetworkAdapter(PCI::Address, u8 irq);
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virtual ~RTL8139NetworkAdapter() override;
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virtual void send_raw(const u8*, int) override;
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virtual bool link_up() const override { return m_link_up; }
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private:
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virtual void handle_irq() override;
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virtual const char* class_name() const override { return "RTL8139NetworkAdapter"; }
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void reset();
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void read_mac_address();
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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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void out32(u16 address, u32 data);
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u8 in8(u16 address);
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u16 in16(u16 address);
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u32 in32(u16 address);
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PCI::Address m_pci_address;
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u16 m_io_base { 0 };
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u8 m_interrupt_line { 0 };
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u32 m_rx_buffer_addr { 0 };
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u16 m_rx_buffer_offset { 0 };
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u32 m_tx_buffer_addr[RTL8139_TX_BUFFER_COUNT];
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u8 m_tx_next_buffer { 0 };
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u32 m_packet_buffer { 0 };
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bool m_link_up { false };
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};
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