| 0,0 → 1,60 |
|---|
| /*!\file net/if_strip.h |
| * SLIP interface structures. |
| */ |
| |
| /* $NetBSD: if_stripvar.h,v 1.4.8.1 1997/11/17 23:36:16 thorpej Exp $ */ |
| |
| /* |
| * Definitions for SLIP interface data structures |
| * |
| * (This exists so programs like slstats can get at the definition |
| * of sl_softc.) |
| */ |
| |
| #ifndef __NET_IF_STRIP_H |
| #define __NET_IF_STRIP_H |
| |
| struct strip_softc { |
| struct ifnet sc_if; /* network-visible interface */ |
| int sc_unit; /* XXX unit number */ |
| struct ifqueue sc_fastq; /* interactive output queue */ |
| struct tty *sc_ttyp; /* pointer to tty structure */ |
| u_char *sc_mp; /* pointer to next available buf char */ |
| u_char *sc_ep; /* pointer to last available buf char */ |
| u_char *sc_buf; /* input buffer */ |
| u_char *sc_rxbuf; /* input destuffing buffer */ |
| u_char *sc_txbuf; /* output stuffing buffer */ |
| u_char *sc_xxx; /* XXX don't ask... */ |
| u_int sc_flags; /* see below */ |
| long sc_oqlen; /* previous output queue size */ |
| long sc_otimeout; /* number of times output's stalled */ |
| #ifdef __NetBSD__ |
| int sc_oldbufsize; /* previous output buffer size */ |
| int sc_oldbufquot; /* previous output buffer quoting */ |
| #endif |
| #ifdef INET /* XXX */ |
| struct slcompress sc_comp; /* tcp compression data */ |
| #endif |
| |
| int sc_state; /* Radio reset state-machine */ |
| #define ST_ALIVE 0x0 /* answered probe */ |
| #define ST_PROBE_SENT 0x1 /* probe sent, answer pending */ |
| #define ST_DEAD 0x2 /* no answer to probe; do reset */ |
| |
| long sc_statetimo; /* When (secs) current state ends */ |
| |
| caddr_t sc_bpf; /* BPF data */ |
| }; |
| |
| |
| /* Internal flags */ |
| #define SC_ERROR 0x0001 /* Incurred error reading current pkt*/ |
| |
| #define SC_TIMEOUT 0x00000400 /* timeout is currently pending */ |
| |
| /* visible flags */ |
| #define SC_COMPRESS IFF_LINK0 /* compress TCP traffic */ |
| #define SC_NOICMP IFF_LINK1 /* supress ICMP traffic */ |
| #define SC_AUTOCOMP IFF_LINK2 /* auto-enable TCP compression */ |
| |
| #endif |