## diffname port/netif.h 1993/0525
## diff -e /dev/null /n/fornaxdump/1993/0525/sys/src/brazil/port/netif.h
0a
typedef struct Etherpkt	Etherpkt;
typedef struct Netfile	Netfile;
typedef struct Netif	Netif;

enum
{
	Nmaxaddr=	64,

	Ncloneqid=	1,
	N2ndqid,
	N3rdqid,
	Ndataqid,
	Nctlqid,
	Nstatqid,
	Ntypeqid,
};

/*
 *  Macros to manage Qid's used for multiplexed devices
 */
#define NETTYPE(x)	((x)&0x1f)
#define NETID(x)	(((x)&~CHDIR)>>5)
#define NETQID(i,t)	(((i)<<5)|(t))

/*
 *  one per multiplexed connection
 */
struct Netfile
{
	QLock;

	int	inuse;
	ulong	mode;
	char	owner[NAMELEN];

	int	type;		/* multiplexor type */
	int	prom;		/* promiscuous mode */

	Queue	*in;		/* input buffer */
};

/*
 *  a network interface
 */
struct Netif
{
	QLock;

	/* multiplexing */
	char	*name;			/* for top level directory */
	int	nfile;			/* max number of Netfiles */
	Netfile	**f;
	Queue	*out;			/* output buffer */

	/* about net */
	int	limit;			/* flow control */
	int	alen;			/* address length */
	uchar	addr[Nmaxaddr];
	uchar	bcast[Nmaxaddr];
	int	prom;

	/* statistics */
	int	misses;
	int	inpackets;
	int	outpackets;
	int	crcs;		/* input crc errors */
	int	oerrs;		/* output erros */
	int	frames;		/* framing errors */
	int	overflows;	/* packet overflows */
	int	buffs;		/* buffering errors */

	/* routines for touching the hardware */
	void	*arg;
	void	(*promiscuous)(void*, int);
};

void	netifinit(Netif*, char*, int, ulong);
int	netifwalk(Netif*, Chan*, char*);
Chan*	netifopen(Netif*, Chan*, int);
void	netifclose(Netif*, Chan*);
long	netifread(Netif*, Chan*, void*, long, ulong);
long	netifwrite(Netif*, Chan*, void*, long);
void	netifwstat(Netif*, Chan*, char*);
void	netifstat(Netif*, Chan*, char*);

/*
 *  Ethernet specific
 */
enum
{
	Eaddrlen=	6,
	ETHERMINTU =	60,		/* minimum transmit size */
	ETHERMAXTU =	1514,		/* maximum transmit size */
	ETHERHDRSIZE =	14,		/* size of an ethernet header */
};

struct Etherpkt
{
	uchar	d[Eaddrlen];
	uchar	s[Eaddrlen];
	uchar	type[2];
	uchar	data[1500];
};

extern uchar etherbcast[6];

/*
 *  FDDI specific
 */
.
## diffname port/netif.h 1994/0629
## diff -e /n/fornaxdump/1993/0525/sys/src/brazil/port/netif.h /n/fornaxdump/1994/0629/sys/src/brazil/port/netif.h
60c
	int	prom;			/* number of promiscuous opens */
	int	all;			/* number of -1 multiplexors */
.
## diffname port/netif.h 1995/0113
## diff -e /n/fornaxdump/1994/0629/sys/src/brazil/port/netif.h /n/fornaxdump/1995/0113/sys/src/brazil/port/netif.h
107,110d
## diffname port/netif.h 1995/0711
## diff -e /n/fornaxdump/1995/0113/sys/src/brazil/port/netif.h /n/fornaxdump/1995/0711/sys/src/brazil/port/netif.h
71a
	int	soverflows;	/* software overflow */
.
## diffname port/netif.h 1995/0804
## diff -e /n/fornaxdump/1995/0711/sys/src/brazil/port/netif.h /n/fornaxdump/1995/0804/sys/src/brazil/port/netif.h
68c
	int	oerrs;		/* output errors */
.
15a
	Nifstatqid,
.
## diffname port/netif.h 1996/0706
## diff -e /n/fornaxdump/1995/0804/sys/src/brazil/port/netif.h /n/fornaxdump/1996/0706/sys/src/brazil/port/netif.h
54d
## diffname port/netif.h 1997/0327
## diff -e /n/fornaxdump/1996/0706/sys/src/brazil/port/netif.h /n/emeliedump/1997/0327/sys/src/brazil/port/netif.h
106,107d
83a
Block*	netifbread(Netif*, Chan*, long, ulong);
.
51c
	char	name[NAMELEN];		/* for top level directory */
.
40c
	Queue	*in;			/* input buffer */
.
37,38c
	int	type;			/* multiplexor type */
	int	prom;			/* promiscuous mode */
.
## diffname port/netif.h 1997/0401
## diff -e /n/emeliedump/1997/0327/sys/src/brazil/port/netif.h /n/emeliedump/1997/0401/sys/src/brazil/port/netif.h
76a
	void	(*multicast)(void*, char*, int);
.
59a
	Netaddr	*maddr;			/* multicast addresses */
.
43a
 *  a network address
 */
struct Netaddr
{
	Netaddr	*next;
	char	*addr;
	int	ref;
};

/*
.
1a
typedef struct Netaddr	Netaddr;
.
## diffname port/netif.h 1997/0403
## diff -e /n/emeliedump/1997/0401/sys/src/brazil/port/netif.h /n/emeliedump/1997/0403/sys/src/brazil/port/netif.h
71a
	int	nmaddr;			/* number of multicast addresses */
.
39a
	uchar	maddr[8];		/* bitmask of multicast addresses requested */
	int	nmaddr;			/* number of multicast addresses */
.
## diffname port/netif.h 1997/0404
## diff -e /n/emeliedump/1997/0403/sys/src/brazil/port/netif.h /n/emeliedump/1997/0404/sys/src/brazil/port/netif.h
103a
int	activemulti(Netif*, uchar*, int);
.
92c
	void	(*multicast)(void*, uchar*, int);
.
73,74c
	Netaddr	*maddr;			/* known multicast addresses */
	int	nmaddr;			/* number of known multicast addresses */
	Netaddr *mhash[Nmhash];		/* hash table of multicast addresses */
.
51,52c
	Netaddr	*next;		/* allocation chain */
	Netaddr	*hnext;
	uchar	addr[Nmaxaddr];
.
8a
	Nmhash=		31,
.
## diffname port/netif.h 1999/0316
## diff -e /n/emeliedump/1997/0404/sys/src/brazil/port/netif.h /n/emeliedump/1999/0316/sys/src/brazil/port/netif.h
11a
	Naddrqid,
.
## diffname port/netif.h 1999/0625
## diff -e /n/emeliedump/1999/0316/sys/src/brazil/port/netif.h /n/emeliedump/1999/0625/sys/src/brazil/port/netif.h
41a
	int	bridge;			/* bridge mode */
	int	headersonly;		/* headers only - no data */
.
## diffname port/netif.h 2001/0527
## diff -e /n/emeliedump/1999/0625/sys/src/brazil/port/netif.h /n/emeliedump/2001/0527/sys/src/9/port/netif.h
108,109c
int	netifwstat(Netif*, Chan*, uchar*, int);
int	netifstat(Netif*, Chan*, uchar*, int);
.
102c
Walkqid*	netifwalk(Netif*, Chan*, Chan*, char **, int);
.
69c
	char	name[KNAMELEN];		/* for top level directory */
.
38c
	char	owner[KNAMELEN];
.
25,27c
#define NETTYPE(x)	(((ulong)x)&0x1f)
#define NETID(x)	((((ulong)x))>>5)
#define NETQID(i,t)	((((ulong)i)<<5)|(t))
.
## diffname port/netif.h 2003/0118
## diff -e /n/emeliedump/2001/0527/sys/src/9/port/netif.h /n/emeliedump/2003/0118/sys/src/9/port/netif.h
98a
	void	(*scanbs)(void*, uint);	/* scan for base stations */
.
81a
	int	scan;			/* number of base station scanners */
.
41a
	int	scan;			/* base station scanning interval */
.
## diffname port/netif.h 2003/0209
## diff -e /n/emeliedump/2003/0118/sys/src/9/port/netif.h /n/emeliedump/2003/0209/sys/src/9/port/netif.h
76a
	int	mbps;			/* megabits per sec */
.