Update from NeXT-ppp-2.2-0.4.6

[ppp.git] / NeXT / if_pppvar.h

diff --git a/NeXT/if_pppvar.h b/NeXT/if_pppvar.h
new file mode 100644 (file)
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--- /dev/null
+++ b/NeXT/if_pppvar.h
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+/*
+ * if_ppp.h - Point-to-Point Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/* Portions Copyright (C) 1990 Brad K. Clements (streams support)
+ */
+
+#import <kernserv/prototypes.h>
+
+/*
+ * Supported network protocols.  These values are used for
+ * indexing sc_npmode.
+ */
+#define NP_IP  0               /* Internet Protocol */
+#define NUM_NP 1               /* Number of NPs. */
+
+#include "nbq.h"
+
+
+/* only defined in the posix universe... */
+typedef        int pid_t;
+typedef unsigned short u_int16_t;
+
+struct ppp_softc {
+       netif_t sc_if;          /* network-visible interface */
+       u_int   sc_flags;       /* control/status bits; see if_ppp.h */
+       struct  tty *sc_devp;   /* pointer to device-dep structure */
+       void    (*sc_start) __P((struct ppp_softc *));  /* start output proc */
+       void    (*sc_ctlp) __P((struct ppp_softc *));   /* rcvd control pkt */
+       void    (*sc_relinq) __P((struct ppp_softc *)); /* relinquish ifunit */
+       u_int16_t sc_mru;       /* max receive unit */
+       pid_t   sc_xfer;        /* used in transferring unit */
+       netbuf_t sc_m;          /* Current TTY input netbuf */
+       struct nb_queue sc_freeq; /* reserve netbufs */
+       struct nb_queue sc_rawq;  /* Raw input buffers */
+       struct nb_queue sc_fastq; /* For telnet, rlogin, and ftp control */
+       struct nb_queue sc_slowq; /* Everything else */
+       struct nb_queue sc_inq; /* Input available to user ppp */
+       struct nb_queue sc_npq; /* output packets not to be sent yet */
+       struct nb_queue sc_compq; /* Cache of compressed bufs to be sent */
+#ifdef VJC
+       struct vjcompress sc_comp;
+#endif
+       u_int   sc_bytessent;   /* count of octets sent */
+       u_int   sc_bytesrcvd;   /* count of octets received */
+#if NBPFILTER
+       caddr_t sc_bpf;         /* hook for BPF */
+       int if_pcount;          /* Really belongs in ifnet_t */
+#endif
+       enum NPmode sc_npmode[NUM_NP]; /* what to do with each NP */
+#ifdef PPP_COMPRESS
+       struct compressor *sc_xcomp; /* transmit compressor */
+       void    *sc_xc_state;   /* transmit compressor state */
+       struct compressor *sc_rcomp; /* receive decompressor */
+       void    *sc_rc_state;   /* receive decompressor state */
+#endif
+       time_t  sc_last_sent;   /* time (secs) last NP pkt sent */
+       time_t  sc_last_recv;   /* time (secs) last NP pkt rcvd */
+
+       short sc_compsched;     /* synchronize compression callouts */
+       short sc_decompsched;   /* synchronize decompression callouts */
+
+       /* Device-dependent part for async lines. */
+       ext_accm sc_asyncmap;   /* async control character map */
+       u_int32_t sc_rasyncmap; /* receive async control char map */
+       netbuf_t sc_outm;       /* netbuf currently being output */
+       char    *sc_mp;         /* ptr to next char in input netbuf */
+       u_int16_t sc_ilen;      /* length of input packet so far */
+       u_int16_t sc_fcs;       /* FCS so far (input) */
+       u_int16_t sc_outfcs;    /* FCS so far for output packet */
+       u_char  sc_rawin[16];   /* chars as received */
+       int     sc_rawin_count; /* # in sc_rawin */
+};
+
+extern struct  ppp_softc ppp_softc[];
+
+struct ppp_softc *pppalloc __P((pid_t pid));
+void   pppdealloc __P((struct ppp_softc *sc));
+int    pppioctl __P((struct ppp_softc *sc, u_long cmd, void *data, int flag));
+void   ppppktin __P((struct ppp_softc *sc, netbuf_t m, int lost));
+netbuf_t ppp_dequeue __P((struct ppp_softc *sc));
+
+#define t_sc T_LINEP
+
+#define incr_cnt(ifp,field) field##_set(ifp, field(ifp) + 1)
+
+#ifdef VJC
+#define VJ_HDRLEN      128
+#endif