3 #if defined(__cplusplus)
9 #pragma src "/sys/src/libip"
11 #pragma varargck type "I" uchar*
12 #pragma varargck type "V" uchar*
13 #pragma varargck type "E" uchar*
14 #pragma varargck type "M" uchar*
25 * for reading /net/ipifc
27 typedef struct Ipifc Ipifc;
28 typedef struct Iplifc Iplifc;
29 typedef struct Ipv6rp Ipv6rp;
36 /* per address on the ip interface */
38 uchar mask[IPaddrlen];
39 uchar net[IPaddrlen]; /* ip & mask */
40 ulong preflt; /* preferred lifetime */
41 ulong validlt; /* valid lifetime */
44 /* default values, one per stack */
58 /* actual interface */
64 /* per ip interface */
65 int index; /* number of interface in ipifc dir */
67 uchar sendra6; /* on == send router adv */
68 uchar recvra6; /* on == rcv router adv */
78 * user level udp headers
82 Udphdrsize= 36, /* size of a Udphdr */
85 typedef struct Udphdr Udphdr;
88 uchar raddr[IPaddrlen]; /* remote address and port */
89 uchar laddr[IPaddrlen]; /* local address and port */
94 uchar* defmask(uchar*);
95 void maskip(uchar*, uchar*, uchar*);
98 ulong parseip(uchar*, char*);
99 ulong parseipmask(uchar*, char*);
100 char* v4parseip(uchar*, char*);
101 char* v4parsecidr(uchar*, uchar*, char*);
102 int parseether(uchar*, char*);
103 int myipaddr(uchar*, char*);
104 int myetheraddr(uchar*, char*);
105 int equivip(uchar*, uchar*);
106 long udpread(int, Udphdr*, void*, long);
107 long udpwrite(int, Udphdr*, void*, long);
109 Ipifc* readipifc(char*, Ipifc*, int);
111 void hnputv(void*, uvlong);
112 void hnputl(void*, uint);
113 void hnputs(void*, ushort);
115 uvlong nhgetv(void*);
116 ushort nhgets(void*);
117 ushort ptclbsum(uchar*, int);
119 int v6tov4(uchar*, uchar*);
120 void v4tov6(uchar*, uchar*);
122 #define ipcmp(x, y) memcmp(x, y, IPaddrlen)
123 #define ipmove(x, y) memmove(x, y, IPaddrlen)
125 extern uchar IPv4bcast[IPaddrlen];
126 extern uchar IPv4bcastobs[IPaddrlen];
127 extern uchar IPv4allsys[IPaddrlen];
128 extern uchar IPv4allrouter[IPaddrlen];
129 extern uchar IPnoaddr[IPaddrlen];
130 extern uchar v4prefix[IPaddrlen];
131 extern uchar IPallbits[IPaddrlen];
133 #define CLASS(p) ((*(uchar*)(p))>>6)
135 #if defined(__cplusplus)