| 84,10 → 84,17 |
|---|
| */ |
| uint16_t compact_checksum( uint32_t sum ); |
| |
| /** Returns or flips the checksum if zero. |
| * @param checksum The computed checksum. Input parameter. |
| * @returns The internet protocol header checksum. |
| * @returns 0xFFFF if the computed checksum is zero. |
| */ |
| uint16_t flip_checksum( uint16_t checksum ); |
| |
| /** Computes the ip header checksum. |
| * To compute the checksum of a new packet, the checksum header field must be zero. |
| * To check the checksum of a received packet, the checksum may be left set. |
| * The zero (0) value will returned in this case if valid. |
| * The zero (0) value will be returned in this case if valid. |
| * @param data The header data. Input parameter. |
| * @param length The header length in bytes. Input parameter. |
| * @returns The internet protocol header checksum. |