RFC 791.
Defines | |
| #define | IPVERSION 4 |
| IP protocol version. | |
| #define | IP_DF 0x4000 |
| Don't fragment flag. | |
| #define | IP_MF 0x2000 |
| More fragments flag. | |
| #define | IP_OFFMASK 0x1fff |
| Mask for fragmenting bits. | |
| #define | IPOPT_EOL 0 |
| End of option list. | |
| #define | IPOPT_NOP 1 |
| No operation. | |
| #define | IPOPT_RR 7 |
| Record packet route. | |
| #define | IPOPT_TS 68 |
| Timestamp. | |
| #define | IPOPT_SECURITY 130 |
| Provide s,c,h,tcc. | |
| #define | IPOPT_LSRR 131 |
| Loose source route. | |
| #define | IPOPT_SATID 136 |
| Satnet id. | |
| #define | IPOPT_SSRR 137 |
| Strict source route. | |
| #define | IPOPT_OPTVAL 0 |
| Option identifier offset. | |
| #define | IPOPT_OLEN 1 |
| Option length offset. | |
| #define | IPOPT_OFFSET 2 |
| Offset within option. | |
| #define | IPOPT_MINOFF 4 |
| Minimum offset within option. | |
| #define | MAXTTL 255 |
| Maximum time to live (seconds). | |
| #define | IPDEFTTL 64 |
| Default time to live. | |
| #define | IPFRAGTTL 60 |
| Time to live for fragments. | |
| #define | IPTTLDEC 1 |
| Subtracted from time to live when forwarding. | |
Typedefs | |
| typedef ip | IPHDR |
| Internet header type. | |
| typedef int(* | NutIpFilterFunc )(u_long) |
Functions | |
| int | NutIpOutput (u_char proto, u_long dest, NETBUF *nb) |
| Send IP datagram. | |
| void | NutIpInput (NUTDEVICE *dev, NETBUF *nb) |
| Process incoming IP datagrams. | |
| void | NutIpSetInputFilter (NutIpFilterFunc callbackFunc) |
| Set filter function for incoming IP datagrams. | |