1/* $NetBSD: if_stripvar.h,v 1.19 2007/07/14 21:02:42 ad 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