| 0,0 → 1,110 |
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| /*!\file net/if_pppva.h |
| * PPP structures and declarations. |
| */ |
| |
| /* $NetBSD: if_pppvar.h,v 1.7 1997/05/17 21:12:03 christos Exp $ */ |
| /* Id: if_pppvar.h,v 1.3 1996/07/01 01:04:37 paulus Exp */ |
| |
| /* |
| * if_pppvar.h - private structures and declarations for PPP. |
| * |
| * Copyright (c) 1994 The Australian National University. |
| * All rights reserved. |
| * |
| * Permission to use, copy, modify, and distribute this software and its |
| * documentation is hereby granted, provided that the above copyright |
| * notice appears in all copies. This software is provided without any |
| * warranty, express or implied. The Australian National University |
| * makes no representations about the suitability of this software for |
| * any purpose. |
| * |
| * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY |
| * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF |
| * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
| * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO |
| * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, |
| * OR MODIFICATIONS. |
| * |
| * 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. |
| */ |
| |
| #ifndef __NET_IF_PPPVAR_H |
| #define __NET_IF_PPPVAR_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. */ |
| |
| /* |
| * Structure describing each ppp unit. |
| */ |
| struct ppp_softc { |
| struct ifnet sc_if; /* network-visible interface */ |
| int sc_unit; /* XXX unit number */ |
| u_int sc_flags; /* control/status bits; see if_ppp.h */ |
| void *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 */ |
| int sc_xfer; /* used in transferring unit */ |
| struct ifqueue sc_rawq; /* received packets */ |
| struct ifqueue sc_inq; /* queue of input packets for daemon */ |
| struct ifqueue sc_fastq; /* interactive output packet q */ |
| struct mbuf *sc_togo; /* output packet ready to go */ |
| struct mbuf *sc_npqueue; /* output packets not to be sent yet */ |
| struct mbuf **sc_npqtail; /* ptr to last next ptr in npqueue */ |
| struct pppstat sc_stats; /* count of bytes/pkts sent/rcvd */ |
| caddr_t sc_bpf; /* hook for BPF */ |
| enum NPmode sc_npmode[NUM_NP]; /* what to do with each NP */ |
| 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 */ |
| time_t sc_last_sent; /* time (secs) last NP pkt sent */ |
| time_t sc_last_recv; /* time (secs) last NP pkt rcvd */ |
| #ifdef PPP_FILTER |
| struct bpf_program sc_pass_filt; /* filter for packets to pass */ |
| struct bpf_program sc_active_filt; /* filter for "non-idle" packets */ |
| #endif /* PPP_FILTER */ |
| #ifdef VJC |
| struct slcompress *sc_comp; /* vjc control buffer */ |
| #endif |
| |
| /* Device-dependent part for async lines. */ |
| ext_accm sc_asyncmap; /* async control character map */ |
| u_int32_t sc_rasyncmap; /* receive async control char map */ |
| struct mbuf *sc_outm; /* mbuf chain currently being output */ |
| struct mbuf *sc_m; /* pointer to input mbuf chain */ |
| struct mbuf *sc_mc; /* pointer to current input mbuf */ |
| char *sc_mp; /* ptr to next char in input mbuf */ |
| 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 */ |
| }; |
| |
| #endif |