| 31,7 → 31,7 |
|---|
| */ |
| |
| /** @file |
| * Internet protocol header and options definitions. |
| * IP header and options definitions. |
| * Names according to the linux src/include/linux/ip.h header file. |
| */ |
| |
| 87,6 → 87,7 |
|---|
| uint16_t identification; |
| #ifdef ARCH_IS_BIG_ENDIAN |
| /** Various control flags. |
| * @see |
| */ |
| uint16_t flags:3; |
| /** This field indicates where in the datagram this fragment belongs. |
| 165,15 → 166,40 |
|---|
| #endif |
| } __attribute__ ((packed)); |
| |
| /** @name IP flags definitions |
| */ |
| /*@{*/ |
| |
| /** Fragment flag field shift. |
| */ |
| #define IPFLAG_FRAGMENT_SHIFT 1 |
| |
| /** Fragmented flag field shift. |
| */ |
| #define IPFLAG_FRAGMENTED_SHIFT 0 |
| |
| /** May fragment flag value. |
| * Allows the packet fragmentation. |
| */ |
| #define IPFLAG_MAY_FRAGMENT ( 0x0 << IPFLAG_FRAGMENT_SHIFT ) |
| |
| /** Don't fragment flag value. |
| * Permits the packet fragmentation. |
| */ |
| #define IPFLAG_DONT_FRAGMENT ( 0x1 << IPFLAG_FRAGMENT_SHIFT ) |
| |
| /** Last fragment flag value. |
| * Indicates the last packet fragment. |
| */ |
| #define IPFLAG_LAST_FRAGMENT ( 0x0 << IPFLAG_FRAGMENTED_SHIFT ) |
| |
| /** More fragments flag value. |
| * Indicates that more packet fragments follow. |
| */ |
| #define IPFLAG_MORE_FRAGMENTS ( 0x1 << IPFLAG_FRAGMENTED_SHIFT ) |
| |
| /*@}*/ |
| |
| /* |
| #define IPOPT_OPTVAL 0 |
| #define IPOPT_OLEN 1 |