1/*	$NetBSD: if_stripvar.h,v 1.18 2006/06/07 22:33:43 kardel Exp $	*/
2
3#ifndef _NET_IF_STRIPVAR_H_
4#define _NET_IF_STRIPVAR_H_
5
6/*
7 * Definitions for STRIP interface data structures
8 */
9struct strip_softc {
10	struct	ifnet sc_if;		/* network-visible interface */
11	int	sc_unit;		/* XXX unit number */
12	struct	ifqueue sc_fastq;	/* interactive output queue */
13	struct	ifqueue sc_inq;		/* input queue */
14	struct	tty *sc_ttyp;		/* pointer to tty structure */
15	struct	callout sc_timo_ch;	/* timeout callout */
16	u_char	*sc_mp;			/* pointer to next available buf char */
17	u_char	*sc_ep;			/* pointer to last available buf char */
18	u_char	*sc_pktstart;		/* pointer to beginning of packet */
19	struct mbuf *sc_mbuf;		/* input buffer */
20	u_char	*sc_rxbuf;		/* input destuffing buffer */
21	u_char	*sc_txbuf;		/* output stuffing buffer */
22	u_int	sc_flags;		/* see below */
23	long	sc_oqlen;		/* previous output queue size */
24	long	sc_otimeout;		/* number of times output's stalled */
25	void	*sc_si;			/* softintr handle */
26#ifdef __NetBSD__
27	int	sc_oldbufsize;		/* previous output buffer size */
28	int	sc_oldbufquot;		/* previous output buffer quoting */
29#endif
30#ifdef INET				/* XXX */
31	struct	slcompress sc_comp;	/* tcp compression data */
32#endif
33
34	int sc_state;			/* Radio reset state-machine */
35#define ST_ALIVE	0x0		/*    answered  probe */
36#define ST_PROBE_SENT	0x1		/*    probe sent, answer pending */
37#define ST_DEAD		0x2		/*    no answer to probe; do reset */
38
39	long sc_statetimo;		/* When (secs) current state ends */
40
41	struct bintime sc_lastpacket;	/* for watchdog */
42	LIST_ENTRY(strip_softc) sc_iflist;
43};
44
45
46/* Internal flags */
47#define	SC_ERROR	0x0001		/* Incurred error reading current pkt*/
48
49#define SC_TIMEOUT	0x00000400	/* timeout is currently pending */
50
51/* visible flags */
52#define	SC_COMPRESS	IFF_LINK0	/* compress TCP traffic */
53#define	SC_NOICMP	IFF_LINK1	/* supress ICMP traffic */
54#define	SC_AUTOCOMP	IFF_LINK2	/* auto-enable TCP compression */
55
56#ifdef _KERNEL
57void	stripattach(void);
58#endif /* _KERNEL */
59
60#endif /* !_NET_IF_STRIPVAR_H_ */
61