85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
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/*
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* Copyright 2005, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
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* All rights reserved. Distributed under the terms of the MIT License.
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*/
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#ifndef _BOOT_ETHERNET_H
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#define _BOOT_ETHERNET_H
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#include <boot/net/NetDefs.h>
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#include <util/Vector.h>
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class ChainBuffer;
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class EthernetService;
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// EthernetInterface
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class EthernetInterface {
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public:
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EthernetInterface();
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virtual ~EthernetInterface();
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ip_addr_t IPAddress() const;
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void SetIPAddress(ip_addr_t ipAddress);
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virtual mac_addr_t MACAddress() const = 0;
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virtual void *AllocateSendReceiveBuffer(size_t size) = 0;
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virtual void FreeSendReceiveBuffer(void *buffer) = 0;
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virtual ssize_t Send(const void *buffer, size_t size) = 0;
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virtual ssize_t Receive(void *buffer, size_t size) = 0;
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protected:
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ip_addr_t fIPAddress;
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};
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// EthernetSubService
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class EthernetSubService : public NetService {
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public:
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EthernetSubService(const char *serviceName);
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virtual ~EthernetSubService();
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virtual uint16 EthernetProtocol() const = 0;
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virtual void HandleEthernetPacket(EthernetService *ethernet,
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const mac_addr_t &targetAddress, const void *data, size_t size) = 0;
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};
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// EthernetService
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class EthernetService : public NetService {
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public:
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EthernetService();
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virtual ~EthernetService();
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status_t Init(EthernetInterface *interface);
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mac_addr_t MACAddress() const;
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ip_addr_t IPAddress() const;
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void SetIPAddress(ip_addr_t ipAddress);
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status_t Send(const mac_addr_t &destination, uint16 protocol,
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ChainBuffer *buffer);
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void ProcessIncomingPackets();
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bool RegisterEthernetSubService(EthernetSubService *service);
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bool UnregisterEthernetSubService(EthernetSubService *service);
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virtual int CountSubNetServices() const;
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virtual NetService *SubNetServiceAt(int index) const;
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private:
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enum {
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SEND_BUFFER_SIZE = 2048,
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RECEIVE_BUFFER_SIZE = SEND_BUFFER_SIZE,
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};
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EthernetInterface *fInterface;
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void *fSendBuffer;
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void *fReceiveBuffer;
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Vector<EthernetSubService*> fServices;
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};
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#endif // _BOOT_ETHERNET_H
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