mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-05-05 02:33:03 +00:00
59fdeec7f5
Read the appropriate registers for RTL8139, RTL8168 and E1000. For NE2000 just assume 10mbit full duplex as there is no indicator for it in the pure NE2000 spec. Mock values for loopback.
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2021, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/OwnPtr.h>
|
|
#include <Kernel/Bus/PCI/Access.h>
|
|
#include <Kernel/Bus/PCI/Device.h>
|
|
#include <Kernel/IO.h>
|
|
#include <Kernel/Net/NetworkAdapter.h>
|
|
#include <Kernel/Random.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class NE2000NetworkAdapter final : public NetworkAdapter
|
|
, public PCI::Device {
|
|
public:
|
|
static RefPtr<NE2000NetworkAdapter> try_to_initialize(PCI::Address);
|
|
|
|
virtual ~NE2000NetworkAdapter() override;
|
|
|
|
virtual void send_raw(ReadonlyBytes) override;
|
|
virtual bool link_up() override
|
|
{
|
|
// Pure NE2000 doesn't seem to have a link status indicator, so
|
|
// just assume that it's up.
|
|
return true;
|
|
}
|
|
virtual i32 link_speed()
|
|
{
|
|
// Can only do 10mbit..
|
|
return 10;
|
|
}
|
|
virtual bool link_full_duplex() { return true; }
|
|
|
|
virtual StringView purpose() const override { return class_name(); }
|
|
|
|
private:
|
|
NE2000NetworkAdapter(PCI::Address, u8 irq);
|
|
virtual bool handle_irq(const RegisterState&) override;
|
|
virtual StringView class_name() const override { return "NE2000NetworkAdapter"sv; }
|
|
|
|
int ram_test();
|
|
void reset();
|
|
|
|
void rdma_read(size_t address, Bytes payload);
|
|
void rdma_write(size_t address, ReadonlyBytes payload);
|
|
|
|
void receive();
|
|
|
|
void out8(u16 address, u8 data);
|
|
void out16(u16 address, u16 data);
|
|
u8 in8(u16 address);
|
|
u16 in16(u16 address);
|
|
|
|
IOAddress m_io_base;
|
|
int m_ring_read_ptr;
|
|
u8 m_interrupt_line { 0 };
|
|
|
|
MACAddress m_mac_address;
|
|
EntropySource m_entropy_source;
|
|
|
|
WaitQueue m_wait_queue;
|
|
};
|
|
}
|