Blame - include/ip.h - plan9

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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	678ede7	2004-12-27 00:14:43 +0000	[diff] [blame]	6
rsc	1a0954a	2005-01-04 21:18:08 +0000	[diff] [blame]	7	AUTOLIB(ip)
rsc	97a5e5f	2003-11-23 18:25:35 +0000	[diff] [blame]	8	/*
				9	#pragma src "/sys/src/libip"
				10	#pragma lib "libip.a"
				11	#pragma varargck type "I" uchar*
				12	#pragma varargck type "V" uchar*
				13	#pragma varargck type "E" uchar*
				14	#pragma varargck type "M" uchar*
				15	*/
				16	enum
				17	{
				18	IPaddrlen= 16,
				19	IPv4addrlen= 4,
				20	IPv4off= 12,
				21	IPllen= 4,
				22	};
				23
				24	/*
				25	* for reading /net/ipifc
				26	*/
				27	typedef struct Ipifc Ipifc;
				28	typedef struct Iplifc Iplifc;
				29	typedef struct Ipv6rp Ipv6rp;
				30
				31	/* local address */
				32	struct Iplifc
				33	{
				34	Iplifc *next;
				35
				36	/* per address on the ip interface */
				37	uchar ip[IPaddrlen];
				38	uchar mask[IPaddrlen];
				39	uchar net[IPaddrlen]; /* ip & mask */
				40	ulong preflt; /* preferred lifetime */
				41	ulong validlt; /* valid lifetime */
				42	};
				43
				44	/* default values, one per stack */
				45	struct Ipv6rp
				46	{
				47	int mflag;
				48	int oflag;
				49	int maxraint;
				50	int minraint;
				51	int linkmtu;
				52	int reachtime;
				53	int rxmitra;
				54	int ttl;
				55	int routerlt;
				56	};
				57
				58	/* actual interface */
				59	struct Ipifc
				60	{
				61	Ipifc *next;
				62	Iplifc *lifc;
				63
				64	/* per ip interface */
				65	int index; /* number of interface in ipifc dir */
				66	char dev[64];
				67	uchar sendra6; /* on == send router adv */
				68	uchar recvra6; /* on == rcv router adv */
				69	int mtu;
				70	ulong pktin;
				71	ulong pktout;
				72	ulong errin;
				73	ulong errout;
				74	Ipv6rp rp;
				75	};
				76
				77	/*
				78	* user level udp headers
				79	*/
				80	enum
				81	{
				82	Udphdrsize= 36, /* size of a Udphdr */
				83	};
				84
				85	typedef struct Udphdr Udphdr;
				86	struct Udphdr
				87	{
				88	uchar raddr[IPaddrlen]; /* remote address and port */
				89	uchar laddr[IPaddrlen]; /* local address and port */
				90	uchar rport[2];
				91	uchar lport[2];
				92	};
				93
				94	uchar* defmask(uchar*);
				95	void maskip(uchar, uchar, uchar*);
				96	int eipfmt(Fmt*);
				97	int isv4(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);
rsc	eacbfb2	2004-03-15 01:58:31 +0000	[diff] [blame]	106	long udpread(int, Udphdr, void, long);
				107	long udpwrite(int, Udphdr, void, long);
rsc	97a5e5f	2003-11-23 18:25:35 +0000	[diff] [blame]	108
				109	Ipifc* readipifc(char, Ipifc, int);
				110
rsc	678ede7	2004-12-27 00:14:43 +0000	[diff] [blame]	111	void hnputv(void*, uvlong);
rsc	97a5e5f	2003-11-23 18:25:35 +0000	[diff] [blame]	112	void hnputl(void*, uint);
				113	void hnputs(void*, ushort);
				114	uint nhgetl(void*);
rsc	678ede7	2004-12-27 00:14:43 +0000	[diff] [blame]	115	uvlong nhgetv(void*);
rsc	97a5e5f	2003-11-23 18:25:35 +0000	[diff] [blame]	116	ushort nhgets(void*);
				117	ushort ptclbsum(uchar*, int);
				118
				119	int v6tov4(uchar, uchar);
				120	void v4tov6(uchar, uchar);
				121
				122	#define ipcmp(x, y) memcmp(x, y, IPaddrlen)
				123	#define ipmove(x, y) memmove(x, y, IPaddrlen)
				124
				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];
				132
				133	#define CLASS(p) (((uchar)(p))>>6)
				134
rsc	f701258	2003-11-25 01:40:27 +0000	[diff] [blame]	135	#if defined(__cplusplus)
				136	}
				137	#endif
				138	#endif