diff options
Diffstat (limited to 'include/wireframe/net/ethernet.hpp')
| -rw-r--r-- | include/wireframe/net/ethernet.hpp | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/include/wireframe/net/ethernet.hpp b/include/wireframe/net/ethernet.hpp deleted file mode 100644 index 2da4cc8..0000000 --- a/include/wireframe/net/ethernet.hpp +++ /dev/null @@ -1,44 +0,0 @@ -#pragma once - -#include <algorithm> -#include <array> -#include <cstdint> -#include <optional> -#include <span> - -#include "wireframe/byteio.hpp" - -namespace wireframe::net { - -inline constexpr std::size_t kEthernetHeaderLen = 14; -inline constexpr std::uint16_t kEthertypeIPv4 = 0x0800; -inline constexpr std::uint16_t kEthertypeIPv6 = 0x86DD; -inline constexpr std::uint16_t kEthertypeArp = 0x0806; - -struct MacAddress { - std::array<unsigned char, 6> bytes; -}; - -struct EthernetHeader { - MacAddress dst; - MacAddress src; - std::uint16_t ethertype; -}; - -struct EthernetFrame { - EthernetHeader header; - std::span<const unsigned char> payload; -}; - -inline std::optional<EthernetFrame> parse_ethernet(std::span<const unsigned char> bytes) { - if (bytes.size() < kEthernetHeaderLen) return std::nullopt; - - EthernetHeader header{}; - std::copy_n(bytes.begin(), 6, header.dst.bytes.begin()); - std::copy_n(bytes.begin() + 6, 6, header.src.bytes.begin()); - header.ethertype = read_be16(bytes, 12); - - return EthernetFrame{header, bytes.subspan(kEthernetHeaderLen)}; -} - -} // namespace wireframe::net |