forked from Bananymous/banan-os
Bananymous
9ddf19f605
Remove buffering from network layer and rework loopback interface. loopback now has a separate recieve thread to allow concurrent sends and prevent deadlocks
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#pragma once
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#include <BAN/CircularQueue.h>
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#include <BAN/HashMap.h>
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#include <BAN/UniqPtr.h>
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#include <kernel/Networking/NetworkInterface.h>
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#include <kernel/Thread.h>
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#include <kernel/ThreadBlocker.h>
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namespace Kernel
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{
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struct ARPPacket
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{
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BAN::NetworkEndian<uint16_t> htype { 0 };
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BAN::NetworkEndian<uint16_t> ptype { 0 };
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BAN::NetworkEndian<uint8_t> hlen { 0 };
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BAN::NetworkEndian<uint8_t> plen { 0 };
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BAN::NetworkEndian<uint16_t> oper { 0 };
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BAN::MACAddress sha { 0, 0, 0, 0, 0, 0 };
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BAN::IPv4Address spa { 0 };
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BAN::MACAddress tha { 0, 0, 0, 0, 0, 0 };
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BAN::IPv4Address tpa { 0 };
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};
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static_assert(sizeof(ARPPacket) == 28);
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class ARPTable
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{
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BAN_NON_COPYABLE(ARPTable);
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BAN_NON_MOVABLE(ARPTable);
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public:
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static BAN::ErrorOr<BAN::UniqPtr<ARPTable>> create();
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BAN::ErrorOr<BAN::MACAddress> get_mac_from_ipv4(NetworkInterface&, BAN::IPv4Address);
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BAN::ErrorOr<void> handle_arp_packet(NetworkInterface&, BAN::ConstByteSpan);
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private:
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ARPTable() = default;
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private:
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SpinLock m_arp_table_lock;
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BAN::HashMap<BAN::IPv4Address, BAN::MACAddress> m_arp_table;
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friend class BAN::UniqPtr<ARPTable>;
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};
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}
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