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EnderIce2
232
Kernel/include/net/net.hpp
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232
Kernel/include/net/net.hpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_NETWORK_H__
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#define __FENNIX_KERNEL_NETWORK_H__
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#include <types.h>
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#include <printf.h>
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// #define DEBUG_NETWORK 1
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#ifdef DEBUG_NETWORK
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#define netdbg(m, ...) debug(m, ##__VA_ARGS__)
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void DbgNetwork();
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void DbgDumpData(const char *Description, void *Address, unsigned long Length);
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#else
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#define netdbg(m, ...)
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static inline void DbgNetwork() { return; }
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static inline void DbgDumpData(const char *Description, void *Address, unsigned long Length)
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{
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UNUSED(Description);
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UNUSED(Address);
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UNUSED(Length);
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return;
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}
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#endif
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enum Endianness
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{
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LITTLE_ENDIAN,
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BIG_ENDIAN
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};
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struct MediaAccessControl
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{
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uint8_t Address[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
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Endianness Endianess = LITTLE_ENDIAN;
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inline bool operator==(const MediaAccessControl &lhs) const
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{
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return lhs.Address[0] == this->Address[0] &&
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lhs.Address[1] == this->Address[1] &&
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lhs.Address[2] == this->Address[2] &&
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lhs.Address[3] == this->Address[3] &&
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lhs.Address[4] == this->Address[4] &&
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lhs.Address[5] == this->Address[5];
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}
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inline bool operator==(const uint48_t &lhs) const
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{
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MediaAccessControl MAC;
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MAC.Address[0] = (uint8_t)((lhs >> 40) & 0xFF);
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MAC.Address[1] = (uint8_t)((lhs >> 32) & 0xFF);
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MAC.Address[2] = (uint8_t)((lhs >> 24) & 0xFF);
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MAC.Address[3] = (uint8_t)((lhs >> 16) & 0xFF);
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MAC.Address[4] = (uint8_t)((lhs >> 8) & 0xFF);
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MAC.Address[5] = (uint8_t)(lhs & 0xFF);
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return MAC.Address[0] == this->Address[0] &&
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MAC.Address[1] == this->Address[1] &&
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MAC.Address[2] == this->Address[2] &&
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MAC.Address[3] == this->Address[3] &&
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MAC.Address[4] == this->Address[4] &&
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MAC.Address[5] == this->Address[5];
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}
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inline bool operator!=(const MediaAccessControl &lhs) const { return !(*this == lhs); }
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inline bool operator!=(const uint48_t &lhs) const { return !(*this == lhs); }
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inline uint48_t ToHex()
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{
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return ((uint48_t)this->Address[0] << 40) |
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((uint48_t)this->Address[1] << 32) |
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((uint48_t)this->Address[2] << 24) |
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((uint48_t)this->Address[3] << 16) |
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((uint48_t)this->Address[4] << 8) |
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((uint48_t)this->Address[5]);
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}
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inline MediaAccessControl FromHex(uint48_t Hex)
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{
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this->Address[0] = (uint8_t)((Hex >> 40) & 0xFF);
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this->Address[1] = (uint8_t)((Hex >> 32) & 0xFF);
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this->Address[2] = (uint8_t)((Hex >> 24) & 0xFF);
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this->Address[3] = (uint8_t)((Hex >> 16) & 0xFF);
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this->Address[4] = (uint8_t)((Hex >> 8) & 0xFF);
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this->Address[5] = (uint8_t)(Hex & 0xFF);
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return *this;
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}
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inline bool Valid()
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{
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// TODO: More complex MAC validation
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return (this->Address[0] != 0 ||
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this->Address[1] != 0 ||
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this->Address[2] != 0 ||
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this->Address[3] != 0 ||
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this->Address[4] != 0 ||
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this->Address[5] != 0) &&
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(this->Address[0] != 0xFF ||
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this->Address[1] != 0xFF ||
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this->Address[2] != 0xFF ||
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this->Address[3] != 0xFF ||
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this->Address[4] != 0xFF ||
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this->Address[5] != 0xFF);
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}
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char *ToString()
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{
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static char Buffer[18];
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sprintf(Buffer, "%02X:%02X:%02X:%02X:%02X:%02X", this->Address[0], this->Address[1], this->Address[2], this->Address[3], this->Address[4], this->Address[5]);
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return Buffer;
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}
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};
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/* There's a confusion between LSB and MSB. Not sure if "ToStringLittleEndian" and "ToStringBigEndian" are implemented correctly.
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Because x86 is a LSB architecture, I'm assuming that the "ToStringLittleEndian" is correct? */
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struct InternetProtocol
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{
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struct Version4
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{
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uint8_t Address[4] = {255, 255, 255, 255};
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Endianness Endianess = LITTLE_ENDIAN;
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inline bool operator==(const InternetProtocol::Version4 &lhs) const
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{
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return lhs.Address[0] == this->Address[0] &&
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lhs.Address[1] == this->Address[1] &&
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lhs.Address[2] == this->Address[2] &&
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lhs.Address[3] == this->Address[3];
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}
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inline bool operator==(const uint32_t &lhs) const
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{
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InternetProtocol::Version4 IP;
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IP.Address[0] = (uint8_t)((lhs >> 24) & 0xFF);
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IP.Address[1] = (uint8_t)((lhs >> 16) & 0xFF);
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IP.Address[2] = (uint8_t)((lhs >> 8) & 0xFF);
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IP.Address[3] = (uint8_t)(lhs & 0xFF);
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return IP.Address[0] == this->Address[0] &&
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IP.Address[1] == this->Address[1] &&
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IP.Address[2] == this->Address[2] &&
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IP.Address[3] == this->Address[3];
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}
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inline bool operator!=(const InternetProtocol::Version4 &lhs) const { return !(*this == lhs); }
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inline bool operator!=(const uint32_t &lhs) const { return !(*this == lhs); }
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inline uint32_t ToHex()
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{
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return ((uint32_t)this->Address[0] << 24) |
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((uint32_t)this->Address[1] << 16) |
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((uint32_t)this->Address[2] << 8) |
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((uint32_t)this->Address[3]);
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}
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inline InternetProtocol::Version4 FromHex(uint32_t Hex)
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{
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this->Address[0] = (uint8_t)((Hex >> 24) & 0xFF);
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this->Address[1] = (uint8_t)((Hex >> 16) & 0xFF);
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this->Address[2] = (uint8_t)((Hex >> 8) & 0xFF);
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this->Address[3] = (uint8_t)(Hex & 0xFF);
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return *this;
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}
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char *ToStringLittleEndian()
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{
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static char Buffer[16];
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sprintf(Buffer, "%d.%d.%d.%d", this->Address[0], this->Address[1], this->Address[2], this->Address[3]);
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return Buffer;
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}
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char *ToStringBigEndian()
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{
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static char Buffer[16];
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sprintf(Buffer, "%d.%d.%d.%d", this->Address[3], this->Address[2], this->Address[1], this->Address[0]);
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return Buffer;
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}
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} v4;
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struct Version6
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{
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uint16_t Address[8] = {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF};
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Endianness Endianess = LITTLE_ENDIAN;
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inline bool operator==(const InternetProtocol::Version6 &lhs) const
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{
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return lhs.Address[0] == this->Address[0] &&
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lhs.Address[1] == this->Address[1] &&
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lhs.Address[2] == this->Address[2] &&
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lhs.Address[3] == this->Address[3] &&
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lhs.Address[4] == this->Address[4] &&
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lhs.Address[5] == this->Address[5] &&
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lhs.Address[6] == this->Address[6] &&
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lhs.Address[7] == this->Address[7];
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}
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inline bool operator!=(const InternetProtocol::Version6 &lhs) const { return !(*this == lhs); }
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char *ToStringLittleEndian()
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{
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static char Buffer[40];
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sprintf(Buffer, "%04X:%04X:%04X:%04X:%04X:%04X:%04X:%04X", this->Address[0], this->Address[1], this->Address[2], this->Address[3], this->Address[4], this->Address[5], this->Address[6], this->Address[7]);
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return Buffer;
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}
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char *ToStringBigEndian()
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{
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static char Buffer[40];
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sprintf(Buffer, "%04X:%04X:%04X:%04X:%04X:%04X:%04X:%04X", this->Address[7], this->Address[6], this->Address[5], this->Address[4], this->Address[3], this->Address[2], this->Address[1], this->Address[0]);
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return Buffer;
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}
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} v6;
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};
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uint16_t CalculateChecksum(uint16_t *Data, size_t Length);
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#endif // !__FENNIX_KERNEL_NETWORK_H__
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