Kernel/include/net/eth.hpp
2024-01-19 06:47:42 +02:00

109 lines
2.7 KiB
C++

/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __FENNIX_KERNEL_NETWORK_ETHERNET_H__
#define __FENNIX_KERNEL_NETWORK_ETHERNET_H__
#include <types.h>
#include <net/nc.hpp>
namespace NetworkEthernet
{
enum FrameType
{
TYPE_IPV4 = 0x0800,
TYPE_ARP = 0x0806,
TYPE_RARP = 0x8035,
TYPE_IPV6 = 0x86DD
};
struct EthernetHeader
{
uint48_t DestinationMAC : 48;
uint48_t SourceMAC : 48;
uint16_t Type;
} __packed;
struct EthernetPacket
{
EthernetHeader Header;
uint8_t Data[];
};
class EthernetEvents
{
private:
FrameType FType;
protected:
EthernetEvents(FrameType Type);
~EthernetEvents();
public:
FrameType GetFrameType() { return FType; }
virtual void OnEthernetPacketSent(EthernetPacket *Packet)
{
UNUSED(Packet);
netdbg("Event not handled. [%p]", Packet);
}
virtual bool OnEthernetPacketReceived(uint8_t *Data, size_t Length)
{
UNUSED(Data);
UNUSED(Length);
netdbg("Event not handled. [%p, %d]", Data, Length);
return false;
}
};
class Ethernet : public NetworkInterfaceManager::Events
{
private:
NetworkInterfaceManager::DeviceInterface *Interface;
void Receive(uint8_t *Data, size_t Length);
void OnInterfaceReceived(NetworkInterfaceManager::DeviceInterface *Interface, uint8_t *Data, size_t Length);
public:
/** @brief Get driver interface
* @return Driver interface
*/
NetworkInterfaceManager::DeviceInterface *GetInterface()
{
netdbg("Interface: %#lx (MAC: %s; IPv4: %s; IPv6: %s)", this->Interface,
this->Interface->MAC.ToString(),
this->Interface->IP.v4.ToStringLittleEndian(),
this->Interface->IP.v6.ToStringLittleEndian());
return this->Interface;
}
Ethernet(NetworkInterfaceManager::DeviceInterface *Interface);
~Ethernet();
/**
* @brief Send an Ethernet packet.
*
* @param MAC The MAC address of the destination. (Big-endian)
* @param Type The type of the packet.
* @param Data The data to send.
* @param Length The length of the data.
*/
void Send(MediaAccessControl MAC, FrameType Type, uint8_t *Data, size_t Length);
};
}
#endif // !__FENNIX_KERNEL_NETWORK_ETHERNET_H__