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https://github.com/LadybirdBrowser/ladybird.git
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94ca55cefd
As suggested by Joshua, this commit adds the 2-clause BSD license as a comment block to the top of every source file. For the first pass, I've just added myself for simplicity. I encourage everyone to add themselves as copyright holders of any file they've added or modified in some significant way. If I've added myself in error somewhere, feel free to replace it with the appropriate copyright holder instead. Going forward, all new source files should include a license header.
90 lines
3.6 KiB
C++
90 lines
3.6 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/NetworkOrdered.h>
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#include <Kernel/Net/EtherType.h>
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#include <Kernel/Net/IPv4.h>
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#include <Kernel/Net/MACAddress.h>
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struct ARPOperation {
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enum : u16 {
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Request = 1,
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Response = 2,
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};
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};
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struct ARPHardwareType {
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enum : u16 {
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Ethernet = 1,
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};
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};
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class [[gnu::packed]] ARPPacket
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{
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public:
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u16 hardware_type() const { return m_hardware_type; }
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void set_hardware_type(u16 w) { m_hardware_type = w; }
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u16 protocol_type() const { return m_protocol_type; }
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void set_protocol_type(u16 w) { m_protocol_type = w; }
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u8 hardware_address_length() const { return m_hardware_address_length; }
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void set_hardware_address_length(u8 b) { m_hardware_address_length = b; }
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u8 protocol_address_length() const { return m_protocol_address_length; }
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void set_protocol_address_length(u8 b) { m_protocol_address_length = b; }
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u16 operation() const { return m_operation; }
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void set_operation(u16 w) { m_operation = w; }
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const MACAddress& sender_hardware_address() const { return m_sender_hardware_address; }
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void set_sender_hardware_address(const MACAddress& address) { m_sender_hardware_address = address; }
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const IPv4Address& sender_protocol_address() const { return m_sender_protocol_address; }
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void set_sender_protocol_address(const IPv4Address& address) { m_sender_protocol_address = address; }
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const MACAddress& target_hardware_address() const { return m_target_hardware_address; }
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void set_target_hardware_address(const MACAddress& address) { m_target_hardware_address = address; }
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const IPv4Address& target_protocol_address() const { return m_target_protocol_address; }
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void set_target_protocol_address(const IPv4Address& address) { m_target_protocol_address = address; }
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private:
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NetworkOrdered<u16> m_hardware_type { ARPHardwareType::Ethernet };
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NetworkOrdered<u16> m_protocol_type { EtherType::IPv4 };
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u8 m_hardware_address_length { sizeof(MACAddress) };
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u8 m_protocol_address_length { sizeof(IPv4Address) };
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NetworkOrdered<u16> m_operation;
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MACAddress m_sender_hardware_address;
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IPv4Address m_sender_protocol_address;
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MACAddress m_target_hardware_address;
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IPv4Address m_target_protocol_address;
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};
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static_assert(sizeof(ARPPacket) == 28);
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