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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Endian.h>
#include <AK/MACAddress.h>
#pragma GCC diagnostic ignored "-Warray-bounds"
class [[gnu::packed]] EthernetFrameHeader {
public:
EthernetFrameHeader() = default;
~EthernetFrameHeader() = default;
MACAddress destination() const { return m_destination; }
void set_destination(const MACAddress& address) { m_destination = address; }
MACAddress source() const { return m_source; }
void set_source(const MACAddress& address) { m_source = address; }
u16 ether_type() const { return m_ether_type; }
void set_ether_type(u16 ether_type) { m_ether_type = ether_type; }
const void* payload() const { return &m_payload[0]; }
void* payload() { return &m_payload[0]; }
private:
MACAddress m_destination;
MACAddress m_source;
NetworkOrdered<u16> m_ether_type;
u32 m_payload[0];
};
static_assert(sizeof(EthernetFrameHeader) == 14);
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