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//
// IPv4Header.h
// PacketTunnelCore
//
// Created by pronebird on 24/08/2022.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
#ifndef IPV4HEADER_H
#define IPV4HEADER_H
#include <stdint.h>
#include <AssertMacros.h>
struct IPv4Header {
uint8_t versionAndHeaderLength;
uint8_t differentiatedServices;
uint16_t totalLength;
uint16_t identification;
uint16_t flagsAndFragmentOffset;
uint8_t timeToLive;
uint8_t protocol;
uint16_t headerChecksum;
uint8_t sourceAddress[4];
uint8_t destinationAddress[4];
// options...
// data...
} __attribute__((packed));
typedef struct IPv4Header IPv4Header;
__Check_Compile_Time(sizeof(IPv4Header) == 20);
#endif /* IPV4HEADER_H */
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