Plan 9 from Bell Labs’s /usr/web/sources/extra/9hist/ip/ip.h

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Distributed under the MIT License.
Download the Plan 9 distribution.


## diffname ip/ip.h 1997/0327
## diff -e /dev/null /n/emeliedump/1997/0327/sys/src/brazil/ip/ip.h
0a
typedef	ulong	Ipaddr;
typedef uchar	byte;
typedef struct	Conv	Conv;
typedef struct	Fs	Fs;
typedef union	Hwaddr	Hwaddr;
typedef struct	Iproute	Iproute;
typedef struct	Media	Media;
typedef struct	Proto	Proto;
typedef struct	Pstate	Pstate;
typedef struct	Tcpc	Tcpc;

enum
{
	Addrlen=	64,
	Maxproto=	20,
	Nhash=		64,
	Maxincall=	5,
	Nchans=		256,

	MAXTTL=		255,

	Ipbcast=	0xffffffff,	/* ip broadcast address */
	Ipbcastobs=	0,		/* obsolete (but still used) ip broadcast addr */
};

enum
{
	Announcing=	1,
	Announced=	2,
	Connecting=	3,
	Connected=	4,
};

/*
 *  contained in each conversation
 */
struct Conv
{
	Lock;

	int	x;			/* conversation index */
	Proto*	p;

	Ipaddr	laddr;			/* local IP address */
	Ipaddr	raddr;			/* remote IP address */
	int	restricted;		/* remote port is restricted */
	ushort	lport;			/* local port number */
	ushort	rport;			/* remote port number */
	uint	ttl;			/* max time to live */

	char	owner[NAMELEN];		/* protections */
	int	perm;
	int	inuse;			/* opens of listen/data/ctl */
	int	length;
	int	state;

	/* udp specific */
	int	headers;		/* data src/dst headers in udp */
	int	reliable;		/* true if reliable udp */

	Conv*	incall;			/* calls waiting to be listened for */
	Conv*	next;

	Queue*	rq;			/* queued data waiting to be read */
	Queue*	wq;			/* queued data waiting to be written */
	Queue*	eq;			/* returned error packets */

	QLock	car;
	Rendez	cr;
	char	cerr[ERRLEN];

	QLock	listenq;
	Rendez	listenr;

	void*	ptcl;			/* protocol specific stuff */
};

union Hwaddr
{
	byte	ether[6];
};

enum
{
	METHER,			/* Media types */
	MFDDI,
	MPACKET,
};

struct Media
{
	int	type;		/* Media type */
	Chan*	mchan;		/* Data channel */
	Chan*	achan;		/* Arp channel */
	char*	dev;		/* device mfd points to */
	Ipaddr	myip[5];
	Ipaddr	mymask;
	Ipaddr	mynetmask;
	Ipaddr	remip;		/* Address of remote side */
	byte	netmyip[4];	/* In Network byte order */
	int	arping;		/* true if we mus arp */
	int	maxmtu;		/* Maximum transfer unit */
	int	minmtu;		/* Minumum tranfer unit */
	int	hsize;		/* Media header size */
	Hwaddr;
	ulong	in, out;	/* message statistics */
	ulong	inerr, outerr;	/* ... */
	int	inuse;
	Conv	*c;		/* for packet interface */

	Media*	link;
};
int	Mediaforme(byte*);
int	Mediaforpt2pt(byte*);
Ipaddr	Mediagetsrc(byte*);
void	Mediaclose(Media*);
char*	Mediaopen(int, char*, Conv*, Ipaddr, Ipaddr, Ipaddr, int, Media**);
Media*	Mediaroute(byte*, byte*);
void	Mediasetaddr(Media*, Ipaddr, Ipaddr);
void	Mediasetraddr(Media*, Ipaddr);
Ipaddr	Mediagetaddr(Media*);
Ipaddr	Mediagetraddr(Media*);
void	Mediawrite(Media*, Block*, byte*);
int	Mediaifcread(byte*, ulong, int);
char*	Mediaifcwrite(char*, int);
void	Mediaresolver(Media*);
void	Mediaread(Media*);
int	Mediaarp(Media*, Block*, byte*, Hwaddr*);
Media*	Mediafind(Iproute*);

/*
 *  one per multiplexed protocol
 */
struct Proto
{
	Lock;
	char*		name;		/* protocol name */
	int		x;		/* protocol index */
	int		ipproto;	/* ip protocol type */

	void		(*kick)(Conv*, int);
	char*		(*connect)(Conv*, char**, int);
	void		(*announce)(Conv*);
	int		(*state)(char**, Conv*);
	void		(*create)(Conv*);
	void		(*close)(Conv*);
	void		(*rcv)(Block*);
	char*		(*ctl)(Conv*, char**, int);
	void		(*advise)(Block*, char*);

	Conv		**conv;		/* array of conversations */
	int		ptclsize;	/* size of per protocol ctl block */
	int		nc;		/* number of conversations */
	int		ac;
	Qid		qid;		/* qid for protocol directory */
	ushort		nextport;
	ushort		nextrport;

	ulong		csumerr;		/* checksum errors */
	ulong		hlenerr;		/* header length error */
	ulong		lenerr;			/* short packet */
	ulong		order;			/* out of order */
	ulong		rexmit;			/* retransmissions */
};

struct Fs
{
	Lock;

	int	np;
	Proto*	p[Maxproto+1];		/* list of supported protocols */
	Proto*	t2p[256];		/* vector of all ip protocol handlers */
};
int	Fsconnected(Fs*, Conv*, char*);
Conv*	Fsnewcall(Fs*, Conv*, Ipaddr, ushort, Ipaddr, ushort);
int	Fspcolstats(char*, int);
int	Fsproto(Fs*, Proto*);
int	Fsbuiltinproto(Fs*, byte);
Conv*	Fsprotoclone(Proto*, char*);
Proto*	Fsrcvpcol(Fs*, byte);
char*	Fsstdconnect(Conv*, char**, int);

/* log flags */
enum
{
	Logip=		1<<1,
	Logtcp=		1<<2,
	Logfs=		1<<3,
	Logil=		1<<4,
	Logicmp=	1<<5,
	Logudp=		1<<6,
	Logcompress=	1<<7,
	Logilmsg=	1<<8,
	Loggre=		1<<9,
	Logppp=		1<<10,
	Logtcpmsg=	1<<11,
};

extern int	logmask;	/* mask of things to debug */
extern Ipaddr	iponly;		/* ip address to print debugging for */

void netlogopen(void);
void netlogclose(void);
char* netlogctl(char*, int);
long netlogread(void*, ulong, long);
void netlog(int, char*, ...);

#define	msec	TK2MS(MACHP(0)->ticks)

/* Globals */
extern int	debug;
extern Fs	fs;
extern Media*	media;
extern int	iprouting;	/* true if routing turned on */

int	arpread(byte*, ulong, int);
char*	arpwrite(char*, int);
Ipaddr	defmask(Ipaddr);
int	eipconv(va_list*, Fconv*);
int	equivip(byte*, byte*);
void	fatal(byte*, ...);
void	hnputl(byte*, ulong);
void	hnputs(byte*, ushort);
void	initfrag(int);
ushort	ipcsum(byte*);
void	(*ipextprotoiput)(Block*);
Ipaddr	ipgetsrc(byte*);
void	ipiput(Block*);
void	ipoput(Block*, int, int);
int	ipstats(char*, int);
byte*	logctl(byte*);
void	maskip(byte*, byte*, byte*);
ulong	nhgetl(byte*);
ushort	nhgets(byte*);
void	(*pktifcrcv)(Conv*, Block*);
ushort	ptclcsum(Block*, int, int);
int	pullblock(Block**, int);
Block*	pullupblock(Block*, int);
char*	routeadd(Ipaddr, Ipaddr, Ipaddr);
void	routedelete(ulong, ulong);
int	routeread(byte*, ulong, int);
char*	routewrite(char*, int);

/*
 * ipaux.c
 */
int	myetheraddr(uchar*, char*);
ulong	parseip(char*, char*);
.
## diffname ip/ip.h 1997/0403
## diff -e /n/emeliedump/1997/0327/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0403/sys/src/brazil/ip/ip.h
181a
char*	Fsstdannounce(Conv*, char**, int);
.
143c
	char*		(*announce)(Conv*, char**, int);
.
## diffname ip/ip.h 1997/0417
## diff -e /n/emeliedump/1997/0403/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0417/sys/src/brazil/ip/ip.h
124c
int	Mediaifcread(char*, ulong, int);
.
## diffname ip/ip.h 1997/0423
## diff -e /n/emeliedump/1997/0417/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0423/sys/src/brazil/ip/ip.h
249c
ulong	parseip(uchar*, char*);
.
240,241c
char*	routeadd(Ipaddr, Ipaddr, Ipaddr, Media *m);
void	routedelete(ulong, ulong, Media *m);
.
233a
Ifcconv* newifcconv(void);
.
231a
int	ismcast(byte*);
int	isbmcast(byte*);
.
229c
void	ipiput(Media*, Block*);
.
218a
void	closeifcconv(Ifcconv*);
.
215a
extern void	(*igmpreportfn)(Media*, byte*);
.
197a
	Logigmp=	1<<12,
.
147c
	void		(*rcv)(Media*, Block*);
.
129a
Multicast*	Mediacopymulti(Media*);
void	Mediamulticastadd(Media*, Ifcconv*, Ipaddr);
void	Mediamulticastrem(Media*, Ipaddr);
.
125c
char*	Mediaifcwrite(Ifcconv*, char*, int);
.
110a
	QLock	mlock;		/* lock for changing *multi */
	Multicast *multi;	/* list of multicast addresses we're listening to */
	int	mactive;	/* number of active multicast addresses */

.
94a
	Chan*	cchan;		/* Control channel */
.
89a
/* one per multicast address per medium */
struct Multicast
{
	Ipaddr	addr;
	int	ref;
	int	timeout;
	Multicast *next;
};

.
23a
	Ipallsys=	0xe0000001,	/* multicast for all systems */
	Ipallrouter=	0xe0000002,	/* multicast for all routers */
.
21a
	Ipaddrlen=	4,
.
7a
typedef struct	Multicast	Multicast;
.
5a
typedef struct	Ifcconv	Ifcconv;
.
## diffname ip/ip.h 1997/0806
## diff -e /n/emeliedump/1997/0423/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0806/sys/src/brazil/ip/ip.h
220a
	Logudpmsg=	1<<13,
	Logipmsg=	1<<14,
.
185a
	ulong		wclosed;		/* window closed */
.
## diffname ip/ip.h 1997/0815
## diff -e /n/emeliedump/1997/0806/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0815/sys/src/brazil/ip/ip.h
24c
	IPaddrlen=	4,
.
## diffname ip/ip.h 1997/0903
## diff -e /n/emeliedump/1997/0815/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0903/sys/src/brazil/ip/ip.h
252a
void	icmpnoconv(Block*);
.
## diffname ip/ip.h 1997/0916
## diff -e /n/emeliedump/1997/0903/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0916/sys/src/brazil/ip/ip.h
186d
171a
	int		(*stats)(char*, int);
.
## diffname ip/ip.h 1997/0926
## diff -e /n/emeliedump/1997/0916/sys/src/brazil/ip/ip.h /n/emeliedump/1997/0926/sys/src/brazil/ip/ip.h
268a
ushort	ptclbsum(byte*, int);
.
131a
int	Mediabooting(void);
.
## diffname ip/ip.h 1998/0306
## diff -e /n/emeliedump/1997/0926/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0306/sys/src/brazil/ip/ip.h
282,283c

typedef struct Cmdbuf	Cmdbuf;
struct Cmdbuf
{
	char	buf[64];
	char	*f[16];
	int	nf;
};

extern int	myetheraddr(uchar*, char*);
extern ulong	parseip(uchar*, char*);
extern ulong	parseipmask(uchar*, char*);
extern void	maskip(uchar *from, uchar *mask, uchar *to);
extern int	parsemac(uchar *to, char *from, int len);
extern uchar*	defmask(uchar*);
extern int	isv4(uchar*);
extern void	v4tov6(uchar *v6, uchar *v4);
extern int	v6tov4(uchar *v4, uchar *v6);
extern Cmdbuf*	parsecmd(char *a, int n);
extern int	eipconv(va_list *arg, Fconv *f);

#define	ipcmp(x, y) memcmp(x, y, IPaddrlen)
#define	ipmove(x, y) memmove(x, y, IPaddrlen)

extern uchar IPv4bcast[IPaddrlen];
extern uchar IPv4bcastobs[IPaddrlen];
extern uchar IPv4allsys[IPaddrlen];
extern uchar IPv4allrouter[IPaddrlen];
extern uchar IPnoaddr[IPaddrlen];
extern uchar v4prefix[IPaddrlen];
extern uchar IPallbits[IPaddrlen];

#define	msec	TK2MS(MACHP(0)->ticks)

/*
 *  media
 */
extern Medium	ethermedium;
extern Medium	nullmedium;
extern Medium	pktmedium;
extern Proto	ipifc;	

/*
 *  ipifc.c
 */
extern Medium*	ipfindmedium(char *name);
extern int	ipforme(uchar *addr);
extern int	ipismulticast(uchar *);
extern Ipifc*	findipifc(uchar *remote, int type);
extern void	findlocalip(uchar *local, uchar *remote);
extern int	ipv4local(Ipifc *ifc, uchar *addr);
extern int	ipv6local(Ipifc *ifc, uchar *addr);
extern Iplifc*	iplocalonifc(Ipifc *ifc, uchar *ip);
extern int	ipproxyifc(Ipifc *ifc, uchar *ip);
extern int	ipismulticast(uchar *ip);
extern int	ipisbooting(void);
extern int	ipifccheckin(Ipifc *ifc, Medium *med);
extern void	ipifccheckout(Ipifc *ifc);
extern int	ipifcgrab(Ipifc *ifc);
extern void	ipifcaddroute(int, uchar*, uchar*, uchar*, int);
extern void	ipifcremroute(int, uchar*, uchar*);
extern void	ipifcremmulti(Conv *c, uchar *ma, uchar *ia);
extern void	ipifcaddmulti(Conv *c, uchar *ma, uchar *ia);
extern char*	ipifcrem(Ipifc *ifc, char **argv, int argc, int dolock);
extern char*	ipifcadd(Ipifc *ifc, char **argv, int argc);

/*
 *  ip.c
 */
extern void	closeifcconv(Ifcconv*);
extern void	icmpnoconv(Block*);
extern void	initfrag(int);
extern ushort	ipcsum(uchar*);
extern void	(*ipextprotoiput)(Block*);
extern void	ipiput(uchar*, Block*);
extern void	ipoput(Block*, int, int);
extern int	ipstats(char*, int);
extern uchar*	logctl(uchar*);
extern Ifcconv* newifcconv(void);
extern void	(*pktifcrcv)(Conv*, Block*);
extern ushort	ptclbsum(uchar*, int);
extern ushort	ptclcsum(Block*, int, int);

/*
 *  iprouter.c
 */
void	useriprouter(uchar*, Block*);
void	iprouteropen(void);
void	iprouterclose(void);
long	iprouterread(void*, int);

/*
 *  global to all of the stack
 */
extern int	debug;
extern Fs	fs;
extern int	iprouting;	/* true if routing turned on */
extern void	(*igmpreportfn)(Ipifc*, uchar*);
.
279a
 *  arp.c
 */
struct Arpent
{
	uchar	ip[IPaddrlen];
	uchar	mac[MAClen];
	Medium	*type;		/* media type */
	Arpent*	hash;
	Block*	hold;
	Block*	last;
	uint	time;
	uint	used;
	uchar	state;
};

extern int	arpread(char*, ulong, int);
extern int	arpwrite(char*, int);
extern Arpent*	arpget(Block *bp, int version, Medium *type, uchar *ip, uchar *h);
extern void	arprelease(Arpent *a);
extern Block*	arpresolve(Arpent *a, Medium *type, uchar *mac);
extern void	arpenter(Ipifc *ifc, int version, uchar *ip, uchar *mac, Medium *type, int norefresh);

/*
.
278a
struct Routewalk {
	int	n;
	int	o;
	int	h;
	char*	p;
	void*	state;
	void	(*walk)(Route*, Routewalk*);
};

struct	RouteTree
{
	Route*	right;
	Route*	left;
	Route*	mid;
	uchar	depth;
	uchar	type;
	uchar	ifcid;		/* must match ifc->id */
	Ipifc	*ifc;
	char	tag[4];
};

struct V4route
{
	ulong	address;
	ulong	endaddress;
	uchar	gate[IPv4addrlen];
};

struct V6route
{
	ulong	address[IPllen];
	ulong	endaddress[IPllen];
	uchar	gate[IPaddrlen];
};

struct Route
{
	RouteTree;

	union {
		V6route	v6;
		V4route v4;
	};
};
extern void	v4addroute(char *tag, uchar *a, uchar *mask, uchar *gate, int type);
extern void	v6addroute(char *tag, uchar *a, uchar *mask, uchar *gate, int type);
extern void	v4delroute(uchar *a, uchar *mask);
extern void	v6delroute(uchar *a, uchar *mask);
extern Route*	v4lookup(uchar *a);
extern Route*	v6lookup(uchar *a);
extern long	routeread(char*, ulong, int);
extern long	routewrite(Chan*, char*, int);

.
245,277c
	/* type bits */
	Rv4=		(1<<0),		/* this is a version 4 route */
	Rifc=		(1<<1),		/* this route is a directly connected interface */
	Rptpt=		(1<<2),		/* this route is a pt to pt interface */
	Runi=		(1<<3),		/* a unicast self address */
	Rbcast=		(1<<4),		/* a broadcast self address */
	Rmulti=		(1<<5),		/* a multicast self address */
};
.
238,243c
enum
{
.
236c
/*
 *  iproute.c
 */
typedef	struct RouteTree RouteTree;
typedef struct Routewalk Routewalk;
typedef struct V4route V4route;
typedef struct V6route V6route;
.
228c
extern uchar	iponly[IPaddrlen];		/* ip address to print debugging for */
extern int	iponlyset;
.
208c
/* 
 *  logging
 */
.
206a
char*	Fsstdbind(Conv*, char**, int);
.
204c
Proto*	Fsrcvpcol(Fs*, uchar);
.
202c
int	Fsbuiltinproto(Fs*, uchar);
.
199c
Conv*	Fsnewcall(Fs*, Conv*, uchar*, ushort, uchar*, ushort);
.
173a
	int		(*local)(Conv*, char*, int);
	int		(*inuse)(Conv*);
.
170c
	void		(*rcv)(uchar*, Block*);
.
167c
	char*		(*bind)(Conv*, char**, int);
	int		(*state)(Conv*, char*, int);
.
159c
	QLock;
.
132,152d
126,130c
/*
 *  one per multicast-lifc pair used by a Conv
 */
struct Ipmulti
{
	uchar	ma[IPaddrlen];
	uchar	ia[IPaddrlen];
	Ipmulti	*next;
.
123,124c
};
.
119,120c
	void	*arg;		/* medium specific */

	/* these are used so that we can unbind on the fly */
	Lock	idlock;
	uchar	ifcid;		/* incremented each 'bind/unbind/add/remove' */
	int	ref;		/* number of proc's using this ipifc */
	Rendez	wait;		/* where unbinder waits for ref == 0 */
	int	unbinding;

	uchar	mac[MAClen];	/* MAC address */

	Iplifc	*lifc;		/* logical interfaces on this physical one */

.
106,116c
	RWlock;
	
	Conv	*conv;		/* link to its conversation structure */
	char	dev[64];	/* device we're attached to */
	Medium	*m;		/* Media pointer */
.
104c
struct Ipifc
.
100,101d
98c
	Ipself	*local;
	Iplifc	*lifc;
	Iplink	*locallink;	/* next link for this local address */
	Iplink	*lifclink;	/* next link for this ifc */
	ulong	expire;
	Iplink	*next;		/* free list */
.
95,96c
/* binding twixt Ipself and Ipifc */
struct Iplink
.
90,92c
	uchar	local[IPaddrlen];
	uchar	mask[IPaddrlen];
	uchar	remote[IPaddrlen];
	uchar	net[IPaddrlen];
	Iplink	*link;		/* addresses linked to this lifc */
	Iplifc	*next;
.
88c
/* logical interface associated with a physical one */
struct Iplifc
.
85c
	char	*name;
	int	hsize;		/* medium header size */
	int	minmtu;		/* default min mtu */
	int	maxmtu;		/* default max mtu */
	int	maclen;		/* mac address length  */
	void	(*bind)(Ipifc*, int, char**);
	void	(*unbind)(Ipifc*);
	void	(*bwrite)(Ipifc *ifc, Block *b, int version, uchar *ip);

	/* for arming interfaces to receive multicast */
	void	(*addmulti)(Ipifc *ifc, uchar *a, uchar *ia);
	void	(*remmulti)(Ipifc *ifc, uchar *a, uchar *ia);

	/* process packets written to 'data' */
	void	(*pktin)(Ipifc *ifc, Block *bp);

	/* routes for router boards */
	void	(*addroute)(Ipifc *ifc, int, uchar*, uchar*, uchar*, int);
	void	(*remroute)(Ipifc *ifc, int, uchar*, uchar*);
	void	(*flushroutes)(Ipifc *ifc);

	/* for routing multicast groups */
	void	(*joinmulti)(Ipifc *ifc, uchar *a, uchar *ia, uchar **iap);
	void	(*leavemulti)(Ipifc *ifc, uchar *a, uchar *ia);
.
83c
struct Medium
.
79a
	Ipmulti	*multi;			/* multicast bindings for this interface */

.
49,50c
	uchar	laddr[IPaddrlen];	/* local IP address */
	uchar	raddr[IPaddrlen];	/* remote IP address */
.
24,28c
	IPaddrlen=	16,
	IPv4addrlen=	4,
	IPv4off=	12,
	IPllen=		4,

	/* ip versions */
	V4=		4,
	V6=		6,
.
20a
	MAClen=		16,		/* longest mac address */
.
12a
typedef struct	Arpent	Arpent;
typedef struct	Route	Route;
.
8,9c
typedef struct	Ipifc	Ipifc;
typedef struct	Medium	Medium;
.
6a
typedef struct	Ipself	Ipself;
typedef struct	Iplink	Iplink;
typedef struct	Iplifc	Iplifc;
typedef struct	Ipmulti	Ipmulti;
.
1,2d
## diffname ip/ip.h 1998/0307
## diff -e /n/emeliedump/1998/0306/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0307/sys/src/brazil/ip/ip.h
137c
	Iplink	*selflink;	/* next link for this local address */
.
135c
	Ipself	*self;
.
118a

	int	unbindonclose;	/* if non-zero, unbind on last close */
.
## diffname ip/ip.h 1998/0310
## diff -e /n/emeliedump/1998/0307/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0310/sys/src/brazil/ip/ip.h
434a
extern long	ipselftabread(char *a, ulong offset, int n);
.
342a
extern void	routetype(int, char*);
.
## diffname ip/ip.h 1998/0313
## diff -e /n/emeliedump/1998/0310/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0313/sys/src/brazil/ip/ip.h
458,461c
void	useriprouter(Fs*, uchar*, Block*);
void	iprouteropen(Fs*);
void	iprouterclose(Fs*);
long	iprouterread(Fs*, void*, int);

/*
 *  resolving inferno/plan9 differences
 */
Chan*		commonfdtochan(int, int, int, int);
char*		commonuser(void);
char*		commonerror(void);
.
455a
 * bootp.c
 */
extern char*	bootp(Ipifc*);
extern int	bootpread(char*, ulong, int);

/*
.
453a
extern void	ip_init(Fs*);
.
450,451d
446,448c
extern void	ipiput(Fs*, uchar*, Block*);
extern void	ipoput(Fs*, Block*, int, int);
extern int	ipstats(Fs*, char*, int);
.
442,443c
extern void	icmpnoconv(Fs*, Block*);
extern void	initfrag(IP*, int);
.
436c
extern long	ipselftabread(Fs*, char *a, ulong offset, int n);
.
430,431c
extern void	ipifcaddroute(Fs*, int, uchar*, uchar*, uchar*, int);
extern void	ipifcremroute(Fs*, int, uchar*, uchar*);
.
424c
extern int	ipproxyifc(Fs *f, Ipifc *ifc, uchar *ip);
.
419,420c
extern Ipifc*	findipifc(Fs*, uchar *remote, int type);
extern void	findlocalip(Fs*, uchar *local, uchar *remote);
.
417c
extern int	ipforme(Fs*, uchar *addr);
.
410a
extern Medium	tripmedium;
.
361,366c
extern void	arpinit(Fs*);
extern int	arpread(Arp*, char*, ulong, int);
extern int	arpwrite(Arp*, char*, int);
extern Arpent*	arpget(Arp*, Block *bp, int version, Medium *type, uchar *ip, uchar *h);
extern void	arprelease(Arp*, Arpent *a);
extern Block*	arpresolve(Arp*, Arpent *a, Medium *type, uchar *mac);
extern void	arpenter(Arp*, Ipifc *ifc, int version, uchar *ip, uchar *mac, Medium *type, int norefresh);
.
343a
extern void	ipwalkroutes(Fs*, Routewalk*);
extern void	convroute(Route*, uchar*, uchar*, uchar*, char*, int*);
.
335,342c
extern void	v4addroute(Fs *f, char *tag, uchar *a, uchar *mask, uchar *gate, int type);
extern void	v6addroute(Fs *f, char *tag, uchar *a, uchar *mask, uchar *gate, int type);
extern void	v4delroute(Fs *f, uchar *a, uchar *mask);
extern void	v6delroute(Fs *f, uchar *a, uchar *mask);
extern Route*	v4lookup(Fs *f, uchar *a);
extern Route*	v6lookup(Fs *f, uchar *a);
extern long	routeread(Fs *f, char*, ulong, int);
extern long	routewrite(Fs *f, Chan*, char*, int);
.
265,270d
261,263c
void	netloginit(Fs*);
void	netlogopen(Fs*);
void	netlogclose(Fs*);
char*	netlogctl(Fs*, char*, int);
long	netlogread(Fs*, void*, ulong, long);
void	netlog(Fs*, int, char*, ...);
.
229,230c

int	Fsconnected(Conv*, char*);
Conv*	Fsnewcall(Conv*, uchar*, ushort, uchar*, ushort);
.
227a
	Proto*	ipifc;			/* kludge for ipifcremroute & ipifcaddroute */

	IP	*ip;
	Ipselftab	*self;
	Arp	*arp;
	IProuter iprouter;

	Route	*v4root[1<<Lroot];	/* v4 routing forest */
	Route	*v6root[1<<Lroot];	/* v6 routing forest */
	Route	*queue;			/* used as temp when reinjecting routes */

	Log	*alog;
.
220a
/*
 *  Stream for sending packets to user level
 */
struct IProuter {
	QLock;
	int	opens;
	Queue	*q;
};

/*
 *  one per IP protocol stack
 */
.
214,218c
	void		*priv;
.
205a
	Fs		*f;		/* file system this proto is part of */
.
201,202c
	void		(*advise)(Proto*, Block*, char*);
	int		(*stats)(Proto*, char*, int);
.
199c
	void		(*rcv)(Proto*, uchar*, Block*);
.
117c
	void	(*joinmulti)(Ipifc *ifc, uchar *a, uchar *ia);
.
109c
	void	(*pktin)(Fs *f, Ipifc *ifc, Block *bp);
.
36a

	/* 2^Lroot trees in the root table */
	Lroot	= 10,
.
15a
typedef struct	Arp Arp;
.
10a
typedef struct	Log	Log;
.
9a
typedef struct	IProuter IProuter;
.
5a
typedef struct	Ipselftab	Ipselftab;
.
4a
typedef struct	IP	IP;
.
## diffname ip/ip.h 1998/0314
## diff -e /n/emeliedump/1998/0313/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0314/sys/src/brazil/ip/ip.h
511d
471a
extern void	iprouting(Fs*, int);
.
442d
## diffname ip/ip.h 1998/0316
## diff -e /n/emeliedump/1998/0314/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0316/sys/src/brazil/ip/ip.h
11d
## diffname ip/ip.h 1998/0324
## diff -e /n/emeliedump/1998/0316/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0324/sys/src/brazil/ip/ip.h
244a
	Proto*	ipmux;			/* kludge for finding an ip multiplexor */
.
243a
	Ipmux*	t2m[256];		/* vector of all ip multiplexors */
.
10a
typedef struct	Ipmux	Ipmux;
.
## diffname ip/ip.h 1998/0325
## diff -e /n/emeliedump/1998/0324/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0325/sys/src/brazil/ip/ip.h
240c
	RWlock;
.
## diffname ip/ip.h 1998/0327
## diff -e /n/emeliedump/1998/0325/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0327/sys/src/brazil/ip/ip.h
244,245c
	Proto*	t2p[256];		/* vector of all protocols */
.
## diffname ip/ip.h 1998/0328
## diff -e /n/emeliedump/1998/0327/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0328/sys/src/brazil/ip/ip.h
413a
extern char*	v4parseip(uchar*, char*);
.
## diffname ip/ip.h 1998/0423
## diff -e /n/emeliedump/1998/0328/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0423/sys/src/brazil/ip/ip.h
448a
extern void	addipmedium(Medium *med);
.
## diffname ip/ip.h 1998/0509
## diff -e /n/emeliedump/1998/0423/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0509/sys/src/brazil/ip/ip.h
266a
Proto*	Fsrcvpcolx(Fs*, uchar);
.
## diffname ip/ip.h 1998/0630
## diff -e /n/emeliedump/1998/0509/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0630/sys/src/brazil/ip/ip.h
398c
extern void	arpenter(Fs*, int version, uchar *ip, uchar *mac, int len, int norefresh);
.
394c
extern int	arpwrite(Fs*, char*, int);
.
366,367c
extern void	v4delroute(Fs *f, uchar *a, uchar *mask, int dolock);
extern void	v6delroute(Fs *f, uchar *a, uchar *mask, int dolock);
.
290a
	Logrudp=	1<<15,
	Logrudpmsg=	1<<16,

.
127a
	void	(*ares)(Fs*, int, uchar*, uchar*, int, int);

.
## diffname ip/ip.h 1998/0728
## diff -e /n/emeliedump/1998/0630/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0728/sys/src/brazil/ip/ip.h
456a
extern int	ipisbm(uchar *);
.
## diffname ip/ip.h 1998/0813
## diff -e /n/emeliedump/1998/0728/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0813/sys/src/brazil/ip/ip.h
483a
extern void	icmpttlexceeded(Fs*, uchar*, Block*);
.
## diffname ip/ip.h 1998/0815
## diff -e /n/emeliedump/1998/0813/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0815/sys/src/brazil/ip/ip.h
325c
struct Routewalk
{
.
## diffname ip/ip.h 1998/0924
## diff -e /n/emeliedump/1998/0815/sys/src/brazil/ip/ip.h /n/emeliedump/1998/0924/sys/src/brazil/ip/ip.h
242a
	int	dev;
.
## diffname ip/ip.h 1998/1005
## diff -e /n/emeliedump/1998/0924/sys/src/brazil/ip/ip.h /n/emeliedump/1998/1005/sys/src/brazil/ip/ip.h
461a
extern void	findprimaryip(Fs*, uchar*);
.
## diffname ip/ip.h 1998/1118
## diff -e /n/emeliedump/1998/1005/sys/src/brazil/ip/ip.h /n/emeliedump/1998/1118/sys/src/brazil/ip/ip.h
304a
void	ifcloginit(Fs*);
long	ifclogread(Fs*, Chan *,void*, ulong, long);
void	ifclog(Fs*, uchar *, int);
void	ifclogopen(Fs*, Chan*);
void	ifclogclose(Fs*, Chan*);
.
260a
	Ifclog	*ilog;
.
14a
typedef struct	Ifclog	Ifclog;
.
## diffname ip/ip.h 1999/0302
## diff -e /n/emeliedump/1998/1118/sys/src/brazil/ip/ip.h /n/emeliedump/1999/0302/sys/src/brazil/ip/ip.h
61c
	QLock;
.
## diffname ip/ip.h 1999/0316
## diff -e /n/emeliedump/1999/0302/sys/src/brazil/ip/ip.h /n/emeliedump/1999/0316/sys/src/brazil/ip/ip.h
501d
436d
418,425d
298c
	Logesp=		1<<17,
.
261c
	Netlog	*alog;
.
214a
	int		(*remote)(Conv*, char*, int);
.
14c
typedef struct	Netlog	Netlog;
.
## diffname ip/ip.h 1999/0731
## diff -e /n/emeliedump/1999/0316/sys/src/brazil/ip/ip.h /n/emeliedump/1999/0731/sys/src/brazil/ip/ip.h
129c
	/* address resolution */
	void	(*ares)(Fs*, int, uchar*, uchar*, int, int);	/* resolve */
	void	(*areg)(Ipifc*, uchar*);			/* register */
.
## diffname ip/ip.h 1999/0817
## diff -e /n/emeliedump/1999/0731/sys/src/brazil/ip/ip.h /n/emeliedump/1999/0817/sys/src/brazil/ip/ip.h
493c
extern void	ipoput(Fs*, Block*, int, int, int);
.
71a
	uint	tos;			/* type of service */
.
33a
	DFLTTOS=	0,
.
## diffname ip/ip.h 1999/0909
## diff -e /n/emeliedump/1999/0817/sys/src/brazil/ip/ip.h /n/emeliedump/1999/0909/sys/src/brazil/ip/ip.h
335a
	Rproxy=		(1<<6),		/* this route should be proxied */
.
## diffname ip/ip.h 1999/0910
## diff -e /n/emeliedump/1999/0909/sys/src/brazil/ip/ip.h /n/emeliedump/1999/0910/sys/src/brazil/ip/ip.h
281c
void	closeconv(Conv*);
.
## diffname ip/ip.h 2000/0116
## diff -e /n/emeliedump/1999/0910/sys/src/brazil/ip/ip.h /n/emeliedump/2000/0116/sys/src/9/ip/ip.h
267a

	char	ndb[1024];		/* an ndb entry for this interface */
.
## diffname ip/ip.h 2000/0220
## diff -e /n/emeliedump/2000/0116/sys/src/9/ip/ip.h /n/emeliedump/2000/0220/sys/src/9/ip/ip.h
509,516d
260d
235,243d
## diffname ip/ip.h 2000/0329
## diff -e /n/emeliedump/2000/0220/sys/src/9/ip/ip.h /n/emeliedump/2000/0329/sys/src/9/ip/ip.h
486d
## diffname ip/ip.h 2000/0424
## diff -e /n/emeliedump/2000/0329/sys/src/9/ip/ip.h /n/emeliedump/2000/0424/sys/src/9/ip/ip.h
220a
	int		(*gc)(Proto*);	/* returns true if any conversations are freed */
.
30c
	Nchans=		512,
.
## diffname ip/ip.h 2000/1111
## diff -e /n/emeliedump/2000/0424/sys/src/9/ip/ip.h /n/emeliedump/2000/1111/sys/src/9/ip/ip.h
507a
 * chandial.c
 */
extern Chan*	chandial(char*, char*, char*, Chan**);

/*
.
## diffname ip/ip.h 2000/1220
## diff -e /n/emeliedump/2000/1111/sys/src/9/ip/ip.h /n/emeliedump/2000/1220/sys/src/9/ip/ip.h
50a
	Idle=		0,
.
## diffname ip/ip.h 2001/0124
## diff -e /n/emeliedump/2000/1220/sys/src/9/ip/ip.h /n/emeliedump/2001/0124/sys/src/9/ip/ip.h
150c
/* binding twixt Ipself and Iplifc */
.
## diffname ip/ip.h 2001/0301
## diff -e /n/emeliedump/2001/0124/sys/src/9/ip/ip.h /n/emeliedump/2001/0301/sys/src/9/ip/ip.h
196a

/*
 *  hash table for 2 ip addresses + 2 ports
 */
enum
{
	Nipht=		521,	/* convenient prime */

	IPmatchexact=	0,	/* match on 4 tuple */
	IPmatchany,		/* *!* */
	IPmatchport,		/* *!port */
	IPmatchaddr,		/* addr!* */
	IPmatchpa,		/* addr!port */
};
struct Iphash
{
	Iphash	*next;
	Conv	*c;
	int	match;
};
struct Ipht
{
	Lock;
	Iphash	*tab[Nipht];
};
void iphtadd(Ipht*, Conv*);
void iphtrem(Ipht*, Conv*);
Conv* iphtlook(Ipht *ht, uchar *sa, ushort sp, uchar *da, ushort dp);
.
13a
typedef struct	Iphash	Iphash;
typedef struct	Ipht	Ipht;
.
## diffname ip/ip.h 2001/0306
## diff -e /n/emeliedump/2001/0301/sys/src/9/ip/ip.h /n/emeliedump/2001/0306/sys/src/9/ip/ip.h
238c
	void		(*kick)(Conv*);
.
## diffname ip/ip.h 2001/0405
## diff -e /n/emeliedump/2001/0306/sys/src/9/ip/ip.h /n/emeliedump/2001/0405/sys/src/9/ip/ip.h
418a

/*
 *  devip.c
 */

/*
 *  Hanging off every ip channel's ->aux is the following structure.
 *  It maintains the state used by devip and iproute.
 */
struct IPaux
{
	char	owner[NAMELEN];		/* the user that did the attach */
	char	tag[4];
};

extern IPaux*	newipaux(char*, char*);
.
5a
typedef struct	IPaux	IPaux;
.
## diffname ip/ip.h 2001/0527
## diff -e /n/emeliedump/2001/0405/sys/src/9/ip/ip.h /n/emeliedump/2001/0527/sys/src/9/ip/ip.h
431c
	char	*owner;		/* the user that did the attach */
.
98c
	char	cerr[ERRMAX];
.
79c
	char	*owner		;	/* protections */
.
49a

	Maxpath =	64,
.
## diffname ip/ip.h 2001/0623
## diff -e /n/emeliedump/2001/0527/sys/src/9/ip/ip.h /n/emeliedump/2001/0623/sys/src/9/ip/ip.h
537c
extern void	ipiput(Fs*, Ipifc*, Block*);
.
534c
extern void	icmpttlexceeded(Fs*, Ipifc*, Block*);
.
248c
	void		(*rcv)(Proto*, Ipifc*, Block*);
.
## diffname ip/ip.h 2001/0710
## diff -e /n/emeliedump/2001/0623/sys/src/9/ip/ip.h /n/emeliedump/2001/0710/sys/src/9/ip/ip.h
385a
	int	ref;
.
## diffname ip/ip.h 2001/0922
## diff -e /n/emeliedump/2001/0710/sys/src/9/ip/ip.h /n/emeliedump/2001/0922/sys/src/9/ip/ip.h
308a

.
307a
ulong	scalednconv(void);
.
## diffname ip/ip.h 2001/1117
## diff -e /n/emeliedump/2001/0922/sys/src/9/ip/ip.h /n/emeliedump/2001/1117/sys/src/9/ip/ip.h
545a
extern void	update_mtucache(uchar*, ulong);
extern ulong	restrict_mtu(uchar*, ulong);
.
176a
	int	reassemble;	/* reassemble IP packets before forwarding */
.
## diffname ip/ip.h 2001/1120
## diff -e /n/emeliedump/2001/1117/sys/src/9/ip/ip.h /n/emeliedump/2001/1120/sys/src/9/ip/ip.h
339c
void	netlogctl(Fs*, char*, int);
.
## diffname ip/ip.h 2002/0217
## diff -e /n/emeliedump/2001/1120/sys/src/9/ip/ip.h /n/emeliedump/2002/0217/sys/src/9/ip/ip.h
481c
extern int	eipfmt(Fmt*);
.
## diffname ip/ip.h 2002/0324
## diff -e /n/emeliedump/2002/0217/sys/src/9/ip/ip.h /n/emeliedump/2002/0324/sys/src/9/ip/ip.h
295a
	int	ndbvers;
.
## diffname ip/ip.h 2002/0325
## diff -e /n/emeliedump/2002/0324/sys/src/9/ip/ip.h /n/emeliedump/2002/0325/sys/src/9/ip/ip.h
296a
	long	ndbmtime;
.
## diffname ip/ip.h 2002/0507
## diff -e /n/emeliedump/2002/0325/sys/src/9/ip/ip.h /n/emeliedump/2002/0507/sys/src/9/ip/ip.h
575a

.
551d
543,544c
extern void	ipiput4(Fs*, Ipifc*, Block*);
extern void	ipiput6(Fs*, Ipifc*, Block*);
extern void	ipoput4(Fs*, Block*, int, int, int);
extern void	ipoput6(Fs*, Block*, int, int, int);
.
540,541c
extern void	icmpttlexceeded(Fs*, uchar*, Block*);
.
533c
extern char*	ipifcaddgate6(Fs *f, Ipifc *ifc, char**argv, int argc);
extern char*	ipifcaddpref6(Ipifc *ifc, char**argv, int argc);
extern void	ipsendra6(Fs *f, int on);
extern long	ipgateread6(Fs *f, char *cp, ulong offset, int n);
.
531c
extern char*	ipifcadd(Ipifc *ifc, char **argv, int argc, int tentative, Iplifc *lifcp);
.
518a
extern int	ipv6anylocal(Ipifc *ifc, uchar *addr);
.
511a
extern int	iptentative(Fs*, uchar *addr);
.
464c
extern Arpent*	arpget(Arp*, Block *bp, int version, Ipifc *ifc, uchar *ip, uchar *h);
.
458a
	Arpent	*nextrxt;		/* re-transmit chain */
	uint	rxtat;
	uchar	rxtsrem;
	Ipifc	*ifc;
	uchar	ifcid;			/* must match ifc->id */
.
452c
	Medium	*type;			/* media type */
.
313d
299a
/* one per default router known to host */
struct v6router {
	uchar	inuse;
	Ipifc	*ifc;
	int	ifcid;
	uchar	routeraddr[IPaddrlen];
	long	ltorigin;
	Routerparams	rp;
};

struct v6params
{
	Routerparams	rp;		/* v6 params, one copy per node now */
	Hostparams	hp;
	v6router	v6rlist[3];	/* max 3 default routers, currently */
	int		cdrouter;	/* uses only v6rlist[cdrouter] if   */ 
					/* cdrouter >= 0. */
};


.
296,297d
286a
	v6params	*v6p;
.
269a

.
191a

	uchar	sendra6;	/* == 1 => send router advs on this ifc	*/
	uchar	recvra6;	/* == 1 => recv router advs on this ifc */
	Routerparams rp;	/* router parameters as in RFC 2461, pp.40--43. 
					used only if node is router */
.
166a
/* rfc 2461, pp.40--43. */

/* default values, one per stack */
struct Routerparams {
	int	mflag;
	int	oflag;
	int 	maxraint;
	int	minraint;
	int	linkmtu;
	int	reachtime;
	int	rxmitra;
	int	ttl;
	int	routerlt;	
};

struct Hostparams {
	int	rxmithost;
};

.
150a
	uchar	tentative;	/* =1 => v6 dup disc on, =0 => confirmed unique */
	uchar	onlink;		/* =1 => onlink, =0 offlink. */
	uchar	autoflag;	/* v6 autonomous flag */
	long 	validlt;	/* v6 valid lifetime */
	long 	preflt;		/* v6 preferred lifetime */
	long	origint;	/* time when addr was added */
.
140a
	/* v6 address generation */
	void	(*pref2addr)(uchar *pref, uchar *ea);

.
81c
	char	*owner;			/* protections */
.
49c
	Lroot=		10,
.
46a
	IP_VER4= 	0x40,
	IP_VER6=	0x60,
.
26a
typedef struct	Routerparams	Routerparams;
typedef struct 	Hostparams	Hostparams;
typedef struct 	v6router	v6router;
typedef struct	v6params	v6params;

.
## diffname ip/ip.h 2002/0514
## diff -e /n/emeliedump/2002/0507/sys/src/9/ip/ip.h /n/emeliedump/2002/0514/sys/src/9/ip/ip.h
337a
	int	ndbvers;
	long	ndbmtime;
.
## diffname ip/ip.h 2002/0601
## diff -e /n/emeliedump/2002/0514/sys/src/9/ip/ip.h /n/emeliedump/2002/0601/sys/src/9/ip/ip.h
363c
Conv*	Fsnewcall(Conv*, uchar*, ushort, uchar*, ushort, uchar);
.
86a
	uchar	ipversion;		/* IPv4 or IPv6 */
.
## diffname ip/ip.h 2002/0625
## diff -e /n/emeliedump/2002/0601/sys/src/9/ip/ip.h /n/emeliedump/2002/0625/sys/src/9/ip/ip.h
87a
	int	ignoreadvice;		/* don't terminate connection on icmp errors */
.
## diffname ip/ip.h 2002/0710
## diff -e /n/emeliedump/2002/0625/sys/src/9/ip/ip.h /n/emeliedump/2002/0710/sys/src/9/ip/ip.h
564c
#define	NOW	TK2MS(MACHP(0)->ticks)
.
554a
#define	ipcmp(x, y) ( (x)[IPaddrlen-1] != (y)[IPaddrlen-1] || memcmp(x, y, IPaddrlen) )
.
553d
89a
	uchar	ipversion;
	uchar	laddr[IPaddrlen];	/* local IP address */
	uchar	raddr[IPaddrlen];	/* remote IP address */
	ushort	lport;			/* local port number */
	ushort	rport;			/* remote port number */


.
87d
83,84d
80,81d
71c
 *  one per conversation directory
.
## diffname ip/ip.h 2002/0712
## diff -e /n/emeliedump/2002/0710/sys/src/9/ip/ip.h /n/emeliedump/2002/0712/sys/src/9/ip/ip.h
286d
## diffname ip/ip.h 2002/0713
## diff -e /n/emeliedump/2002/0712/sys/src/9/ip/ip.h /n/emeliedump/2002/0713/sys/src/9/ip/ip.h
399a
	Logtcpwin=	1<<18,
.
393c
	Logtcprxmt=	1<<11,
.
## diffname ip/ip.h 2002/1110
## diff -e /n/emeliedump/2002/0713/sys/src/9/ip/ip.h /n/emeliedump/2002/1110/sys/src/9/ip/ip.h
107a
	Queue*	sq;			/* snooping queue */
	Ref	snoopers;		/* number of processes with snoop open */
.
## diffname ip/ip.h 2002/1204
## diff -e /n/emeliedump/2002/1110/sys/src/9/ip/ip.h /n/emeliedump/2002/1204/sys/src/9/ip/ip.h
616a
extern void	icmpcantfrag(Fs*, Block*);
.
## diffname ip/ip.h 2002/1207
## diff -e /n/emeliedump/2002/1204/sys/src/9/ip/ip.h /n/emeliedump/2002/1207/sys/src/9/ip/ip.h
617c
extern void	icmpcantfrag(Fs*, Block*, int);
.
## diffname ip/ip.h 2003/0209
## diff -e /n/emeliedump/2002/1207/sys/src/9/ip/ip.h /n/emeliedump/2003/0209/sys/src/9/ip/ip.h
215,216c
	int	maxtu;		/* Maximum transfer unit */
	int	mintu;		/* Minumum tranfer unit */
	int	mbps;		/* megabits per second */
.
127,128c
	int	mintu;		/* default min mtu */
	int	maxtu;		/* default max mtu */
.
## diffname ip/ip.h 2003/0220
## diff -e /n/emeliedump/2003/0209/sys/src/9/ip/ip.h /n/emeliedump/2003/0220/sys/src/9/ip/ip.h
623,624c
extern int	ipoput4(Fs*, Block*, int, int, int);
extern int	ipoput6(Fs*, Block*, int, int, int);
.
## diffname ip/ip.h 2003/0221
## diff -e /n/emeliedump/2003/0220/sys/src/9/ip/ip.h /n/emeliedump/2003/0221/sys/src/9/ip/ip.h
120a

	Route	*r;			/* last route used */
	ulong	routegen;		/* routetable generation for *r */
.
91d
## diffname ip/ip.h 2003/0304
## diff -e /n/emeliedump/2003/0221/sys/src/9/ip/ip.h /n/emeliedump/2003/0304/sys/src/9/ip/ip.h
38c
	Nchans=		1024,
.
## diffname ip/ip.h 2003/0308
## diff -e /n/emeliedump/2003/0304/sys/src/9/ip/ip.h /n/emeliedump/2003/0308/sys/src/9/ip/ip.h
625,626c
extern int	ipoput4(Fs*, Block*, int, int, int, Conv*);
extern int	ipoput6(Fs*, Block*, int, int, int, Conv*);
.
491,492c
extern Route*	v4lookup(Fs *f, uchar *a, Conv *c);
extern Route*	v6lookup(Fs *f, uchar *a, Conv *c);
.
122c
	ulong	rgen;			/* routetable generation for *r */
.
## diffname ip/ip.h 2003/0310
## diff -e /n/emeliedump/2003/0308/sys/src/9/ip/ip.h /n/emeliedump/2003/0310/sys/src/9/ip/ip.h
530c
	uint	rtime;			/* time for next retransmission */
.
526,527c
	uint	ctime;			/* time entry was created or refreshed */
	uint	utime;			/* time entry was last used */
.
## diffname ip/ip.h 2003/0404
## diff -e /n/emeliedump/2003/0310/sys/src/9/ip/ip.h /n/emeliedump/2003/0404/sys/src/9/ip/ip.h
446a
	char*	e;
.
443d

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