63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/* $NetBSD: if_stripvar.h,v 1.18 2006/06/07 22:33:43 kardel Exp $ */
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#ifndef _NET_IF_STRIPVAR_H_
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#define _NET_IF_STRIPVAR_H_
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/*
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* Definitions for STRIP interface data structures
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*/
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struct strip_softc {
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struct ifnet sc_if; /* network-visible interface */
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int sc_unit; /* XXX unit number */
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struct ifqueue sc_fastq; /* interactive output queue */
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struct ifqueue sc_inq; /* input queue */
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struct tty *sc_ttyp; /* pointer to tty structure */
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struct callout sc_timo_ch; /* timeout callout */
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u_char *sc_mp; /* pointer to next available buf char */
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u_char *sc_ep; /* pointer to last available buf char */
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u_char *sc_pktstart; /* pointer to beginning of packet */
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struct mbuf *sc_mbuf; /* input buffer */
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u_char *sc_rxbuf; /* input destuffing buffer */
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u_char *sc_txbuf; /* output stuffing buffer */
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u_int sc_flags; /* see below */
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long sc_oqlen; /* previous output queue size */
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long sc_otimeout; /* number of times output's stalled */
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#ifdef __HAVE_GENERIC_SOFT_INTERRUPTS
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void *sc_si; /* softintr handle */
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#endif
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#ifdef __NetBSD__
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int sc_oldbufsize; /* previous output buffer size */
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int sc_oldbufquot; /* previous output buffer quoting */
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#endif
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#ifdef INET /* XXX */
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struct slcompress sc_comp; /* tcp compression data */
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#endif
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int sc_state; /* Radio reset state-machine */
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#define ST_ALIVE 0x0 /* answered probe */
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#define ST_PROBE_SENT 0x1 /* probe sent, answer pending */
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#define ST_DEAD 0x2 /* no answer to probe; do reset */
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long sc_statetimo; /* When (secs) current state ends */
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struct bintime sc_lastpacket; /* for watchdog */
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LIST_ENTRY(strip_softc) sc_iflist;
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};
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/* Internal flags */
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#define SC_ERROR 0x0001 /* Incurred error reading current pkt*/
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#define SC_TIMEOUT 0x00000400 /* timeout is currently pending */
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/* visible flags */
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#define SC_COMPRESS IFF_LINK0 /* compress TCP traffic */
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#define SC_NOICMP IFF_LINK1 /* supress ICMP traffic */
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#define SC_AUTOCOMP IFF_LINK2 /* auto-enable TCP compression */
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#ifdef _KERNEL
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void stripattach(void);
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#endif /* _KERNEL */
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#endif /* !_NET_IF_STRIPVAR_H_ */
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