1 f7012583 2003-11-25 devnull #ifndef _IP_H_
  2 f7012583 2003-11-25 devnull #define _IP_H_ 1
  3 f7012583 2003-11-25 devnull #if defined(__cplusplus)
  4 f7012583 2003-11-25 devnull extern "C" { 
  5 f7012583 2003-11-25 devnull #endif
  6 97a5e5f2 2003-11-23 devnull /*
  7 97a5e5f2 2003-11-23 devnull #pragma	src	"/sys/src/libip"
  8 97a5e5f2 2003-11-23 devnull #pragma	lib	"libip.a"
  9 97a5e5f2 2003-11-23 devnull #pragma	varargck	type	"I"	uchar*
 10 97a5e5f2 2003-11-23 devnull #pragma	varargck	type	"V"	uchar*
 11 97a5e5f2 2003-11-23 devnull #pragma	varargck	type	"E"	uchar*
 12 97a5e5f2 2003-11-23 devnull #pragma	varargck	type	"M"	uchar*
 13 97a5e5f2 2003-11-23 devnull */
 14 97a5e5f2 2003-11-23 devnull enum 
 15 97a5e5f2 2003-11-23 devnull {
 16 97a5e5f2 2003-11-23 devnull 	IPaddrlen=	16,
 17 97a5e5f2 2003-11-23 devnull 	IPv4addrlen=	4,
 18 97a5e5f2 2003-11-23 devnull 	IPv4off=	12,
 19 97a5e5f2 2003-11-23 devnull 	IPllen=		4,
 20 97a5e5f2 2003-11-23 devnull };
 21 97a5e5f2 2003-11-23 devnull 
 22 97a5e5f2 2003-11-23 devnull /*
 23 97a5e5f2 2003-11-23 devnull  *  for reading /net/ipifc
 24 97a5e5f2 2003-11-23 devnull  */
 25 97a5e5f2 2003-11-23 devnull typedef struct Ipifc Ipifc;
 26 97a5e5f2 2003-11-23 devnull typedef struct Iplifc Iplifc;
 27 97a5e5f2 2003-11-23 devnull typedef struct Ipv6rp Ipv6rp;
 28 97a5e5f2 2003-11-23 devnull 
 29 97a5e5f2 2003-11-23 devnull /* local address */
 30 97a5e5f2 2003-11-23 devnull struct Iplifc
 31 97a5e5f2 2003-11-23 devnull {
 32 97a5e5f2 2003-11-23 devnull 	Iplifc	*next;
 33 97a5e5f2 2003-11-23 devnull 
 34 97a5e5f2 2003-11-23 devnull 	/* per address on the ip interface */
 35 97a5e5f2 2003-11-23 devnull 	uchar	ip[IPaddrlen];
 36 97a5e5f2 2003-11-23 devnull 	uchar	mask[IPaddrlen];
 37 97a5e5f2 2003-11-23 devnull 	uchar	net[IPaddrlen];		/* ip & mask */
 38 97a5e5f2 2003-11-23 devnull 	ulong	preflt;			/* preferred lifetime */
 39 97a5e5f2 2003-11-23 devnull 	ulong	validlt;		/* valid lifetime */
 40 97a5e5f2 2003-11-23 devnull };
 41 97a5e5f2 2003-11-23 devnull 
 42 97a5e5f2 2003-11-23 devnull /* default values, one per stack */
 43 97a5e5f2 2003-11-23 devnull struct Ipv6rp
 44 97a5e5f2 2003-11-23 devnull {
 45 97a5e5f2 2003-11-23 devnull 	int	mflag;
 46 97a5e5f2 2003-11-23 devnull 	int	oflag;
 47 97a5e5f2 2003-11-23 devnull 	int 	maxraint;
 48 97a5e5f2 2003-11-23 devnull 	int	minraint;
 49 97a5e5f2 2003-11-23 devnull 	int	linkmtu;
 50 97a5e5f2 2003-11-23 devnull 	int	reachtime;
 51 97a5e5f2 2003-11-23 devnull 	int	rxmitra;
 52 97a5e5f2 2003-11-23 devnull 	int	ttl;
 53 97a5e5f2 2003-11-23 devnull 	int	routerlt;	
 54 97a5e5f2 2003-11-23 devnull };
 55 97a5e5f2 2003-11-23 devnull 
 56 97a5e5f2 2003-11-23 devnull /* actual interface */
 57 97a5e5f2 2003-11-23 devnull struct Ipifc
 58 97a5e5f2 2003-11-23 devnull {
 59 97a5e5f2 2003-11-23 devnull 	Ipifc	*next;
 60 97a5e5f2 2003-11-23 devnull 	Iplifc	*lifc;
 61 97a5e5f2 2003-11-23 devnull 
 62 97a5e5f2 2003-11-23 devnull 	/* per ip interface */
 63 97a5e5f2 2003-11-23 devnull 	int	index;			/* number of interface in ipifc dir */
 64 97a5e5f2 2003-11-23 devnull 	char	dev[64];
 65 97a5e5f2 2003-11-23 devnull 	uchar	sendra6;		/* on == send router adv */
 66 97a5e5f2 2003-11-23 devnull 	uchar	recvra6;		/* on == rcv router adv */
 67 97a5e5f2 2003-11-23 devnull 	int	mtu;
 68 97a5e5f2 2003-11-23 devnull 	ulong	pktin;
 69 97a5e5f2 2003-11-23 devnull 	ulong	pktout;
 70 97a5e5f2 2003-11-23 devnull 	ulong	errin;
 71 97a5e5f2 2003-11-23 devnull 	ulong	errout;
 72 97a5e5f2 2003-11-23 devnull 	Ipv6rp	rp;
 73 97a5e5f2 2003-11-23 devnull };
 74 97a5e5f2 2003-11-23 devnull 
 75 97a5e5f2 2003-11-23 devnull /*
 76 97a5e5f2 2003-11-23 devnull  *  user level udp headers
 77 97a5e5f2 2003-11-23 devnull  */
 78 97a5e5f2 2003-11-23 devnull enum 
 79 97a5e5f2 2003-11-23 devnull {
 80 97a5e5f2 2003-11-23 devnull 	Udphdrsize=	36,	/* size of a Udphdr */
 81 97a5e5f2 2003-11-23 devnull };
 82 97a5e5f2 2003-11-23 devnull 
 83 97a5e5f2 2003-11-23 devnull typedef struct Udphdr Udphdr;
 84 97a5e5f2 2003-11-23 devnull struct Udphdr
 85 97a5e5f2 2003-11-23 devnull {
 86 97a5e5f2 2003-11-23 devnull 	uchar	raddr[IPaddrlen];	/* remote address and port */
 87 97a5e5f2 2003-11-23 devnull 	uchar	laddr[IPaddrlen];	/* local address and port */
 88 97a5e5f2 2003-11-23 devnull 	uchar	rport[2];
 89 97a5e5f2 2003-11-23 devnull 	uchar	lport[2];
 90 97a5e5f2 2003-11-23 devnull };
 91 97a5e5f2 2003-11-23 devnull 
 92 97a5e5f2 2003-11-23 devnull uchar*	defmask(uchar*);
 93 97a5e5f2 2003-11-23 devnull void	maskip(uchar*, uchar*, uchar*);
 94 97a5e5f2 2003-11-23 devnull int	eipfmt(Fmt*);
 95 97a5e5f2 2003-11-23 devnull int	isv4(uchar*);
 96 97a5e5f2 2003-11-23 devnull ulong	parseip(uchar*, char*);
 97 97a5e5f2 2003-11-23 devnull ulong	parseipmask(uchar*, char*);
 98 97a5e5f2 2003-11-23 devnull char*	v4parseip(uchar*, char*);
 99 97a5e5f2 2003-11-23 devnull char*	v4parsecidr(uchar*, uchar*, char*);
100 97a5e5f2 2003-11-23 devnull int	parseether(uchar*, char*);
101 97a5e5f2 2003-11-23 devnull int	myipaddr(uchar*, char*);
102 97a5e5f2 2003-11-23 devnull int	myetheraddr(uchar*, char*);
103 97a5e5f2 2003-11-23 devnull int	equivip(uchar*, uchar*);
104 97a5e5f2 2003-11-23 devnull 
105 97a5e5f2 2003-11-23 devnull Ipifc*	readipifc(char*, Ipifc*, int);
106 97a5e5f2 2003-11-23 devnull 
107 97a5e5f2 2003-11-23 devnull void	hnputl(void*, uint);
108 97a5e5f2 2003-11-23 devnull void	hnputs(void*, ushort);
109 97a5e5f2 2003-11-23 devnull uint	nhgetl(void*);
110 97a5e5f2 2003-11-23 devnull ushort	nhgets(void*);
111 97a5e5f2 2003-11-23 devnull ushort	ptclbsum(uchar*, int);
112 97a5e5f2 2003-11-23 devnull 
113 97a5e5f2 2003-11-23 devnull int	v6tov4(uchar*, uchar*);
114 97a5e5f2 2003-11-23 devnull void	v4tov6(uchar*, uchar*);
115 97a5e5f2 2003-11-23 devnull 
116 97a5e5f2 2003-11-23 devnull #define	ipcmp(x, y) memcmp(x, y, IPaddrlen)
117 97a5e5f2 2003-11-23 devnull #define	ipmove(x, y) memmove(x, y, IPaddrlen)
118 97a5e5f2 2003-11-23 devnull 
119 97a5e5f2 2003-11-23 devnull extern uchar IPv4bcast[IPaddrlen];
120 97a5e5f2 2003-11-23 devnull extern uchar IPv4bcastobs[IPaddrlen];
121 97a5e5f2 2003-11-23 devnull extern uchar IPv4allsys[IPaddrlen];
122 97a5e5f2 2003-11-23 devnull extern uchar IPv4allrouter[IPaddrlen];
123 97a5e5f2 2003-11-23 devnull extern uchar IPnoaddr[IPaddrlen];
124 97a5e5f2 2003-11-23 devnull extern uchar v4prefix[IPaddrlen];
125 97a5e5f2 2003-11-23 devnull extern uchar IPallbits[IPaddrlen];
126 97a5e5f2 2003-11-23 devnull 
127 97a5e5f2 2003-11-23 devnull #define CLASS(p) ((*(uchar*)(p))>>6)
128 97a5e5f2 2003-11-23 devnull 
129 f7012583 2003-11-25 devnull #if defined(__cplusplus)
130 f7012583 2003-11-25 devnull }
131 f7012583 2003-11-25 devnull #endif
132 f7012583 2003-11-25 devnull #endif