51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#include <BAN/Endianness.h>
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#include <kernel/FS/DevFS/FileSystem.h>
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#include <kernel/Networking/NetworkInterface.h>
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#include <sys/sysmacros.h>
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#include <string.h>
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namespace Kernel
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{
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static dev_t get_network_rdev_major()
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{
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static dev_t major = DevFileSystem::get().get_next_dev();
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return major;
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}
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static dev_t get_network_rdev_minor()
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{
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static dev_t minor = 0;
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return minor++;
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}
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NetworkInterface::NetworkInterface()
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: CharacterDevice(0400, 0, 0)
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, m_type(Type::Ethernet)
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, m_rdev(makedev(get_network_rdev_major(), get_network_rdev_minor()))
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{
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ASSERT(minor(m_rdev) < 10);
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ASSERT(m_type == Type::Ethernet);
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strcpy(m_name, "ethx");
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m_name[3] = minor(m_rdev) + '0';
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}
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size_t NetworkInterface::interface_header_size() const
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{
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ASSERT(m_type == Type::Ethernet);
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return sizeof(EthernetHeader);
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}
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void NetworkInterface::add_interface_header(BAN::ByteSpan packet, BAN::MACAddress destination)
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{
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ASSERT(m_type == Type::Ethernet);
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auto& header = packet.as<EthernetHeader>();
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header.dst_mac = destination;
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header.src_mac = get_mac_address();
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header.ether_type = 0x0800;
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}
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}
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