77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
#pragma once
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#include <BAN/ByteSpan.h>
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#include <BAN/Errors.h>
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#include <BAN/IPv4.h>
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#include <BAN/MAC.h>
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#include <kernel/Device/Device.h>
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namespace Kernel
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{
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struct EthernetHeader
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{
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BAN::MACAddress dst_mac;
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BAN::MACAddress src_mac;
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BAN::NetworkEndian<uint16_t> ether_type;
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};
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static_assert(sizeof(EthernetHeader) == 14);
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enum EtherType : uint16_t
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{
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IPv4 = 0x0800,
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ARP = 0x0806,
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};
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class NetworkInterface : public CharacterDevice
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{
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BAN_NON_COPYABLE(NetworkInterface);
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BAN_NON_MOVABLE(NetworkInterface);
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public:
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enum class Type
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{
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Ethernet,
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Loopback,
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};
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public:
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NetworkInterface(Type);
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virtual ~NetworkInterface() {}
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virtual BAN::MACAddress get_mac_address() const = 0;
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BAN::IPv4Address get_ipv4_address() const { return m_ipv4_address; }
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void set_ipv4_address(BAN::IPv4Address new_address) { m_ipv4_address = new_address; }
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BAN::IPv4Address get_netmask() const { return m_netmask; }
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void set_netmask(BAN::IPv4Address new_netmask) { m_netmask = new_netmask; }
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BAN::IPv4Address get_gateway() const { return m_gateway; }
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void set_gateway(BAN::IPv4Address new_gateway) { m_gateway = new_gateway; }
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Type type() const { return m_type; }
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virtual bool link_up() = 0;
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virtual int link_speed() = 0;
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virtual size_t payload_mtu() const = 0;
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virtual dev_t rdev() const override { return m_rdev; }
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virtual BAN::StringView name() const override { return m_name; }
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virtual BAN::ErrorOr<void> send_bytes(BAN::MACAddress destination, EtherType protocol, BAN::ConstByteSpan) = 0;
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private:
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const Type m_type;
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const dev_t m_rdev;
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char m_name[10];
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BAN::IPv4Address m_ipv4_address { 0 };
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BAN::IPv4Address m_netmask { 0 };
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BAN::IPv4Address m_gateway { 0 };
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};
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}
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