X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=include%2Fnet%2Fif_ppp.h;h=f217b452dfe0ae2a61e69403329e05179aad2f14;hp=e5197397363bb2116c8c1e54f5cf43cc4dbf3420;hb=1db7d0c85cfe5d28162f7f8f1e6dc9f76812335d;hpb=0ae17bd9d21166d8274d4b4da594d05efd0ae87d diff --git a/include/net/if_ppp.h b/include/net/if_ppp.h index e519739..f217b45 100644 --- a/include/net/if_ppp.h +++ b/include/net/if_ppp.h @@ -1,3 +1,5 @@ +/* $Id: if_ppp.h,v 1.11 1994/12/05 00:32:37 paulus Exp $ */ + /* * if_ppp.h - Point-to-Point Protocol definitions. * @@ -15,96 +17,82 @@ * 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. - * - * Modified by Paul Mackerras (paulus@cs.anu.edu.au) - * Added PPP_MRU, sc_outm, sc_fastq, sc_bpf. - * - * if_ppp.h,v 1.2 1993/08/31 00:05:31 paulus Exp */ -/* Portions Copyright (C) 1990 Brad K. Clements (streams support) - (huh? there isn't any streams support in this file) -*/ +#ifndef _IF_PPP_H_ +#define _IF_PPP_H_ /* - * Standard PPP header. + * Packet sizes */ -struct ppp_header { - u_char ph_address; /* Address Field */ - u_char ph_control; /* Control Field */ - u_short ph_protocol; /* Protocol Field */ -}; - -#define PPP_HEADER_LEN 4 /* octets, must == sizeof(struct ppp_header) */ -#define PPP_FCS_LEN 2 /* octets for FCS */ +#define PPP_MTU 1500 /* Default MTU (size of Info field) */ +#define PPP_MAXMRU 65000 /* Largest MRU we allow */ -#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */ -#define PPP_UI 0x03 /* Unnumbered Information */ -#define PPP_FLAG 0x7e /* Flag Sequence */ -#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */ -#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */ +/* + * Bit definitions for flags. + */ +#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ +#define SC_COMP_AC 0x00000002 /* header compression (output) */ +#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ +#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ +#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ +#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ +#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ +#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ +#define SC_DEBUG 0x00010000 /* enable debug messages */ +#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ +#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ +#define SC_LOG_RAWIN 0x00080000 /* log all chars received */ +#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ +#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ +#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ +#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ +#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ +#define SC_MASK 0x0fff00ff /* bits that user can change */ /* - * Protocol types. + * State bits in sc_flags, not changeable by user. */ -#define PPP_IP 0x21 /* Internet Protocol */ -#define PPP_XNS 0x25 /* Xerox NS */ -#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */ -#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */ -#define PPP_LCP 0xc021 /* Link Control Protocol */ +#define SC_VJ_RESET 0x00000800 /* need to reset VJ decomp */ +#define SC_COMP_RUN 0x00001000 /* compressor has been inited */ +#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ +#define SC_DC_ERROR 0x00004000 /* non-fatal decomp error detected */ +#define SC_DC_FERROR 0x00008000 /* fatal decomp error detected */ +#define SC_TBUSY 0x10000000 /* xmitter doesn't need a packet yet */ +#define SC_PKTLOST 0x20000000 /* have lost or dropped a packet */ +#define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */ +#define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */ /* - * Important FCS values. + * Ioctl definitions. */ -#define PPP_INITFCS 0xffff /* Initial FCS value */ -#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */ -#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff]) -#define PPP_MTU 1500 /* Default MTU (size of Info field) */ -#define PPP_MRU 1500 /* Default MRU (max receive unit) */ -#define PPP_MAXMRU 65000 /* Largest MRU we allow */ -#define PPP_HIWAT 400 /* Don't start a new packet if HIWAT on que */ +struct npioctl { + int protocol; /* PPP procotol, e.g. PPP_IP */ + enum NPmode mode; +}; -struct ppp_softc { - struct ifnet sc_if; /* network-visible interface */ - u_int sc_flags; /* see below */ - struct tty *sc_ttyp; /* pointer to tty structure */ - struct mbuf *sc_outm; /* mbuf chain being output currently */ - struct mbuf *sc_m; /* pointer to input mbuf chain */ - struct mbuf *sc_mc; /* pointer to current input mbuf */ - char *sc_mp; /* pointer to next char in input mbuf */ - short sc_ilen; /* length of input-packet-so-far */ - u_short sc_fcs; /* FCS so far (input) */ - u_short sc_outfcs; /* FCS so far for output packet */ - short sc_mru; /* max receive unit */ - u_long sc_asyncmap; /* async control character map */ - u_long sc_rasyncmap; /* receive async control char map */ - struct ifqueue sc_inq; /* TTY side input queue */ - struct ifqueue sc_fastq; /* IP interactive output packet queue */ -#ifdef VJC - struct slcompress sc_comp; /* vjc control buffer */ -#endif - u_int sc_bytessent; - u_int sc_bytesrcvd; - caddr_t sc_bpf; +/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ +struct ppp_option_data { + u_char *ptr; + u_int length; + int transmit; }; -/* flags */ -#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ -#define SC_COMP_AC 0x00000002 /* header compression (output) */ -#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ -#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ -#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ -#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ -#define SC_MASK 0x0000ffff /* bits that user can change */ +struct ifpppstatsreq { + char ifr_name[IFNAMSIZ]; + struct ppp_stats stats; +}; -/* state bits */ -#define SC_ESCAPED 0x00010000 /* saw a PPP_ESCAPE */ -#define SC_FLUSH 0x00020000 /* flush input until next PPP_FLAG */ +struct ifpppcstatsreq { + char ifr_name[IFNAMSIZ]; + struct ppp_comp_stats stats; +}; -#define t_sc T_LINEP +/* + * Ioctl definitions. + */ -/* this stuff doesn't belong here... */ #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ @@ -114,9 +102,20 @@ struct ppp_softc { #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ +#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ +#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ +#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ +#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ +#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) +#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ +#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ +#define PPPIOCGIDLE _IOR('t', 74, struct ppp_idle) /* get idle time */ + +#define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq) +#define SIOCGPPPCSTATS _IOWR('i', 122, struct ifpppcstatsreq) -/* old copies of PPP may have defined this */ #if !defined(ifr_mtu) -#define ifr_mtu ifr_metric +#define ifr_mtu ifr_ifru.ifru_metric #endif +#endif /* _IF_PPP_H_ */