Watt-32 tcp/ip  2.2 dev-rel.10
if_strip.h
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1 
5 /* $NetBSD: if_stripvar.h,v 1.4.8.1 1997/11/17 23:36:16 thorpej Exp $ */
6 
7 /*
8  * Definitions for SLIP interface data structures
9  *
10  * (This exists so programs like slstats can get at the definition
11  * of sl_softc.)
12  */
13 
14 #ifndef __NET_IF_STRIP_H
15 #define __NET_IF_STRIP_H
16 
17 struct strip_softc {
18  struct ifnet sc_if; /* network-visible interface */
19  int sc_unit; /* XXX unit number */
20  struct ifqueue sc_fastq; /* interactive output queue */
21  struct tty *sc_ttyp; /* pointer to tty structure */
22  u_char *sc_mp; /* pointer to next available buf char */
23  u_char *sc_ep; /* pointer to last available buf char */
24  u_char *sc_buf; /* input buffer */
25  u_char *sc_rxbuf; /* input destuffing buffer */
26  u_char *sc_txbuf; /* output stuffing buffer */
27  u_char *sc_xxx; /* XXX don't ask... */
28  u_int sc_flags; /* see below */
29  long sc_oqlen; /* previous output queue size */
30  long sc_otimeout; /* number of times output's stalled */
31 #ifdef __NetBSD__
32  int sc_oldbufsize; /* previous output buffer size */
33  int sc_oldbufquot; /* previous output buffer quoting */
34 #endif
35 #ifdef INET /* XXX */
36  struct slcompress sc_comp; /* tcp compression data */
37 #endif
38 
39  int sc_state; /* Radio reset state-machine */
40 #define ST_ALIVE 0x0 /* answered probe */
41 #define ST_PROBE_SENT 0x1 /* probe sent, answer pending */
42 #define ST_DEAD 0x2 /* no answer to probe; do reset */
43 
44  long sc_statetimo; /* When (secs) current state ends */
45 
46  caddr_t sc_bpf; /* BPF data */
47 };
48 
49 
50 /* Internal flags */
51 #define SC_ERROR 0x0001 /* Incurred error reading current pkt*/
52 
53 #define SC_TIMEOUT 0x00000400 /* timeout is currently pending */
54 
55 /* visible flags */
56 #define SC_COMPRESS IFF_LINK0 /* compress TCP traffic */
57 #define SC_NOICMP IFF_LINK1 /* supress ICMP traffic */
58 #define SC_AUTOCOMP IFF_LINK2 /* auto-enable TCP compression */
59 
60 #endif
Definition: if.h:130