23 lines
592 B
C++
23 lines
592 B
C++
#include <BAN/Endianness.h>
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#include <kernel/Networking/IPv4.h>
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namespace Kernel
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{
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void add_ipv4_header(BAN::ByteSpan packet, BAN::IPv4Address src_ipv4, BAN::IPv4Address dst_ipv4, uint8_t protocol)
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{
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auto& header = packet.as<IPv4Header>();
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header.version_IHL = 0x45;
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header.DSCP_ECN = 0x00;
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header.total_length = packet.size();
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header.identification = 1;
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header.flags_frament = 0x00;
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header.time_to_live = 0x40;
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header.protocol = protocol;
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header.src_address = src_ipv4;
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header.dst_address = dst_ipv4;
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header.checksum = header.calculate_checksum();
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}
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}
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