2020-01-18 11:38:21 +03:00
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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2021-04-22 11:24:48 +03:00
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* SPDX-License-Identifier: BSD-2-Clause
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2020-01-18 11:38:21 +03:00
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*/
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2019-03-10 17:25:33 +03:00
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#pragma once
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2019-03-11 14:43:45 +03:00
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#include <AK/ByteBuffer.h>
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2019-06-16 08:06:49 +03:00
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#include <AK/Function.h>
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2020-04-04 14:18:28 +03:00
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#include <AK/MACAddress.h>
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2019-03-11 14:43:45 +03:00
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#include <AK/SinglyLinkedList.h>
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2019-03-10 17:25:33 +03:00
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#include <AK/Types.h>
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2019-08-09 05:34:32 +03:00
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#include <AK/WeakPtr.h>
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2020-03-22 03:12:45 +03:00
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#include <AK/Weakable.h>
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2019-08-04 22:22:22 +03:00
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#include <Kernel/KBuffer.h>
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2019-04-02 20:54:38 +03:00
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#include <Kernel/Net/ARP.h>
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#include <Kernel/Net/ICMP.h>
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2019-05-28 12:53:16 +03:00
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#include <Kernel/Net/IPv4.h>
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2020-09-12 06:11:07 +03:00
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#include <Kernel/UserOrKernelBuffer.h>
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2019-03-20 19:09:46 +03:00
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2020-02-16 03:27:42 +03:00
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namespace Kernel {
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2019-03-20 19:09:46 +03:00
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class NetworkAdapter;
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2020-02-08 02:19:46 +03:00
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class NetworkAdapter : public RefCounted<NetworkAdapter> {
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2019-03-10 17:25:33 +03:00
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public:
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2019-06-16 08:06:49 +03:00
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static void for_each(Function<void(NetworkAdapter&)>);
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2020-02-08 02:19:46 +03:00
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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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2019-03-10 17:25:33 +03:00
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virtual ~NetworkAdapter();
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virtual const char* class_name() const = 0;
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2019-06-16 08:06:49 +03:00
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const String& name() const { return m_name; }
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2019-03-10 21:15:22 +03:00
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MACAddress mac_address() { return m_mac_address; }
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2019-03-12 01:21:38 +03:00
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IPv4Address ipv4_address() const { return m_ipv4_address; }
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2019-08-28 04:00:39 +03:00
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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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2019-08-21 17:52:50 +03:00
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virtual bool link_up() { return false; }
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2019-03-12 01:21:38 +03:00
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void set_ipv4_address(const IPv4Address&);
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2019-08-28 04:00:39 +03:00
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void set_ipv4_netmask(const IPv4Address&);
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void set_ipv4_gateway(const IPv4Address&);
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2019-03-10 17:25:33 +03:00
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2019-03-11 01:40:09 +03:00
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void send(const MACAddress&, const ARPPacket&);
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2021-01-31 14:13:16 +03:00
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KResult send_ipv4(const MACAddress&, const IPv4Address&, IPv4Protocol, const UserOrKernelBuffer& payload, size_t payload_size, u8 ttl);
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KResult send_ipv4_fragmented(const MACAddress&, const IPv4Address&, IPv4Protocol, const UserOrKernelBuffer& payload, size_t payload_size, u8 ttl);
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2019-03-10 22:59:23 +03:00
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2021-02-28 04:48:45 +03:00
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size_t dequeue_packet(u8* buffer, size_t buffer_size, Time& packet_timestamp);
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2019-03-11 14:43:45 +03:00
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2019-03-20 19:09:46 +03:00
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bool has_queued_packets() const { return !m_packet_queue.is_empty(); }
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2019-11-28 09:12:05 +03:00
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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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2019-08-08 05:32:35 +03:00
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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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2019-08-28 15:14:38 +03:00
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Function<void()> on_receive;
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2019-08-28 04:21:22 +03:00
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2019-03-10 17:25:33 +03:00
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protected:
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NetworkAdapter();
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2019-06-16 08:06:49 +03:00
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void set_interface_name(const StringView& basename);
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2019-03-10 21:15:22 +03:00
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void set_mac_address(const MACAddress& mac_address) { m_mac_address = mac_address; }
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2020-07-28 21:19:22 +03:00
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virtual void send_raw(ReadonlyBytes) = 0;
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void did_receive(ReadonlyBytes);
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2019-03-10 17:25:33 +03:00
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private:
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2019-03-10 21:15:22 +03:00
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MACAddress m_mac_address;
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2019-03-12 01:21:38 +03:00
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IPv4Address m_ipv4_address;
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2019-08-28 04:00:39 +03:00
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IPv4Address m_ipv4_netmask;
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IPv4Address m_ipv4_gateway;
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2020-09-16 19:25:06 +03:00
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struct PacketWithTimestamp {
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KBuffer packet;
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2021-02-28 04:48:45 +03:00
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Time timestamp;
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2020-09-16 19:25:06 +03:00
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};
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SinglyLinkedList<PacketWithTimestamp> m_packet_queue;
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2019-12-14 13:07:37 +03:00
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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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2019-06-16 08:06:49 +03:00
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String m_name;
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2019-08-08 05:32:35 +03:00
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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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2019-11-28 09:12:05 +03:00
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u32 m_mtu { 1500 };
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2019-03-10 17:25:33 +03:00
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};
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2020-02-16 03:27:42 +03:00
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}
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