| rsc | f701258 | 2003-11-25 01:40:27 +0000 | [diff] [blame] | 1 | #ifndef _IP_H_ |
| 2 | #define _IP_H_ 1 |
| 3 | #if defined(__cplusplus) |
| 4 | extern "C" { |
| 5 | #endif |
| rsc | 97a5e5f | 2003-11-23 18:25:35 +0000 | [diff] [blame] | 6 | /* |
| 7 | #pragma src "/sys/src/libip" |
| 8 | #pragma lib "libip.a" |
| 9 | #pragma varargck type "I" uchar* |
| 10 | #pragma varargck type "V" uchar* |
| 11 | #pragma varargck type "E" uchar* |
| 12 | #pragma varargck type "M" uchar* |
| 13 | */ |
| 14 | enum |
| 15 | { |
| 16 | IPaddrlen= 16, |
| 17 | IPv4addrlen= 4, |
| 18 | IPv4off= 12, |
| 19 | IPllen= 4, |
| 20 | }; |
| 21 | |
| 22 | /* |
| 23 | * for reading /net/ipifc |
| 24 | */ |
| 25 | typedef struct Ipifc Ipifc; |
| 26 | typedef struct Iplifc Iplifc; |
| 27 | typedef struct Ipv6rp Ipv6rp; |
| 28 | |
| 29 | /* local address */ |
| 30 | struct Iplifc |
| 31 | { |
| 32 | Iplifc *next; |
| 33 | |
| 34 | /* per address on the ip interface */ |
| 35 | uchar ip[IPaddrlen]; |
| 36 | uchar mask[IPaddrlen]; |
| 37 | uchar net[IPaddrlen]; /* ip & mask */ |
| 38 | ulong preflt; /* preferred lifetime */ |
| 39 | ulong validlt; /* valid lifetime */ |
| 40 | }; |
| 41 | |
| 42 | /* default values, one per stack */ |
| 43 | struct Ipv6rp |
| 44 | { |
| 45 | int mflag; |
| 46 | int oflag; |
| 47 | int maxraint; |
| 48 | int minraint; |
| 49 | int linkmtu; |
| 50 | int reachtime; |
| 51 | int rxmitra; |
| 52 | int ttl; |
| 53 | int routerlt; |
| 54 | }; |
| 55 | |
| 56 | /* actual interface */ |
| 57 | struct Ipifc |
| 58 | { |
| 59 | Ipifc *next; |
| 60 | Iplifc *lifc; |
| 61 | |
| 62 | /* per ip interface */ |
| 63 | int index; /* number of interface in ipifc dir */ |
| 64 | char dev[64]; |
| 65 | uchar sendra6; /* on == send router adv */ |
| 66 | uchar recvra6; /* on == rcv router adv */ |
| 67 | int mtu; |
| 68 | ulong pktin; |
| 69 | ulong pktout; |
| 70 | ulong errin; |
| 71 | ulong errout; |
| 72 | Ipv6rp rp; |
| 73 | }; |
| 74 | |
| 75 | /* |
| 76 | * user level udp headers |
| 77 | */ |
| 78 | enum |
| 79 | { |
| 80 | Udphdrsize= 36, /* size of a Udphdr */ |
| 81 | }; |
| 82 | |
| 83 | typedef struct Udphdr Udphdr; |
| 84 | struct Udphdr |
| 85 | { |
| 86 | uchar raddr[IPaddrlen]; /* remote address and port */ |
| 87 | uchar laddr[IPaddrlen]; /* local address and port */ |
| 88 | uchar rport[2]; |
| 89 | uchar lport[2]; |
| 90 | }; |
| 91 | |
| 92 | uchar* defmask(uchar*); |
| 93 | void maskip(uchar*, uchar*, uchar*); |
| 94 | int eipfmt(Fmt*); |
| 95 | int isv4(uchar*); |
| 96 | ulong parseip(uchar*, char*); |
| 97 | ulong parseipmask(uchar*, char*); |
| 98 | char* v4parseip(uchar*, char*); |
| 99 | char* v4parsecidr(uchar*, uchar*, char*); |
| 100 | int parseether(uchar*, char*); |
| 101 | int myipaddr(uchar*, char*); |
| 102 | int myetheraddr(uchar*, char*); |
| 103 | int equivip(uchar*, uchar*); |
| 104 | |
| 105 | Ipifc* readipifc(char*, Ipifc*, int); |
| 106 | |
| 107 | void hnputl(void*, uint); |
| 108 | void hnputs(void*, ushort); |
| 109 | uint nhgetl(void*); |
| 110 | ushort nhgets(void*); |
| 111 | ushort ptclbsum(uchar*, int); |
| 112 | |
| 113 | int v6tov4(uchar*, uchar*); |
| 114 | void v4tov6(uchar*, uchar*); |
| 115 | |
| 116 | #define ipcmp(x, y) memcmp(x, y, IPaddrlen) |
| 117 | #define ipmove(x, y) memmove(x, y, IPaddrlen) |
| 118 | |
| 119 | extern uchar IPv4bcast[IPaddrlen]; |
| 120 | extern uchar IPv4bcastobs[IPaddrlen]; |
| 121 | extern uchar IPv4allsys[IPaddrlen]; |
| 122 | extern uchar IPv4allrouter[IPaddrlen]; |
| 123 | extern uchar IPnoaddr[IPaddrlen]; |
| 124 | extern uchar v4prefix[IPaddrlen]; |
| 125 | extern uchar IPallbits[IPaddrlen]; |
| 126 | |
| 127 | #define CLASS(p) ((*(uchar*)(p))>>6) |
| 128 | |
| rsc | f701258 | 2003-11-25 01:40:27 +0000 | [diff] [blame] | 129 | #if defined(__cplusplus) |
| 130 | } |
| 131 | #endif |
| 132 | #endif |
