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106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/Function.h>
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#include <AK/SinglyLinkedList.h>
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#include <AK/Types.h>
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#include <AK/WeakPtr.h>
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#include <AK/Weakable.h>
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#include <Kernel/KBuffer.h>
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#include <Kernel/Net/ARP.h>
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#include <Kernel/Net/ICMP.h>
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#include <Kernel/Net/IPv4.h>
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#include <Kernel/Net/MACAddress.h>
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namespace Kernel {
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class NetworkAdapter;
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class NetworkAdapter : public RefCounted<NetworkAdapter> {
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public:
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static void for_each(Function<void(NetworkAdapter&)>);
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static RefPtr<NetworkAdapter> from_ipv4_address(const IPv4Address&);
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static RefPtr<NetworkAdapter> lookup_by_name(const StringView&);
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virtual ~NetworkAdapter();
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virtual const char* class_name() const = 0;
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const String& name() const { return m_name; }
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MACAddress mac_address() { return m_mac_address; }
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IPv4Address ipv4_address() const { return m_ipv4_address; }
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IPv4Address ipv4_netmask() const { return m_ipv4_netmask; }
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IPv4Address ipv4_gateway() const { return m_ipv4_gateway; }
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virtual bool link_up() { return false; }
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void set_ipv4_address(const IPv4Address&);
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void set_ipv4_netmask(const IPv4Address&);
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void set_ipv4_gateway(const IPv4Address&);
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void send(const MACAddress&, const ARPPacket&);
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void send_ipv4(const MACAddress&, const IPv4Address&, IPv4Protocol, const u8* payload, size_t payload_size, u8 ttl);
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size_t dequeue_packet(u8* buffer, size_t buffer_size);
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bool has_queued_packets() const { return !m_packet_queue.is_empty(); }
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u32 mtu() const { return m_mtu; }
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void set_mtu(u32 mtu) { m_mtu = mtu; }
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u32 packets_in() const { return m_packets_in; }
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u32 bytes_in() const { return m_bytes_in; }
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u32 packets_out() const { return m_packets_out; }
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u32 bytes_out() const { return m_bytes_out; }
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Function<void()> on_receive;
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protected:
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NetworkAdapter();
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void set_interface_name(const StringView& basename);
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void set_mac_address(const MACAddress& mac_address) { m_mac_address = mac_address; }
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virtual void send_raw(const u8*, size_t) = 0;
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void did_receive(const u8*, size_t);
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private:
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MACAddress m_mac_address;
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IPv4Address m_ipv4_address;
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IPv4Address m_ipv4_netmask;
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IPv4Address m_ipv4_gateway;
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SinglyLinkedList<KBuffer> m_packet_queue;
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SinglyLinkedList<KBuffer> m_unused_packet_buffers;
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size_t m_unused_packet_buffers_count { 0 };
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String m_name;
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u32 m_packets_in { 0 };
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u32 m_bytes_in { 0 };
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u32 m_packets_out { 0 };
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u32 m_bytes_out { 0 };
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u32 m_mtu { 1500 };
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};
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}
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