From 1faf57aa3adbba44141ae3e012965c9dd4c5dd1a Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Wed, 21 Sep 1994 00:28:21 +0000 Subject: [PATCH 1/1] removed stuff to ppp_defs.h --- include/net/if_ppp.h | 121 +++++-------------------------------------- 1 file changed, 13 insertions(+), 108 deletions(-) diff --git a/include/net/if_ppp.h b/include/net/if_ppp.h index 9120554..b538013 100644 --- a/include/net/if_ppp.h +++ b/include/net/if_ppp.h @@ -1,3 +1,5 @@ +/* $Id: if_ppp.h,v 1.6 1994/09/21 00:28:21 paulus Exp $ */ + /* * if_ppp.h - Point-to-Point Protocol definitions. * @@ -15,122 +17,20 @@ * 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. - * - * $Id: if_ppp.h,v 1.5 1994/09/16 01:54:06 paulus Exp $ */ #ifndef _IF_PPP_H_ #define _IF_PPP_H_ -/* - * Standard PPP header. - */ -struct ppp_header { - u_char ph_address; /* Address Field */ - u_char ph_control; /* Control Field */ - u_short ph_protocol; /* Protocol Field */ -}; - -#define PPP_HDRLEN 4 /* sizeof(struct ppp_header) must be 4 */ -#define PPP_FCSLEN 2 /* octets for FCS */ - -#define PPP_ADDRESS(p) (((u_char *)(p))[0]) -#define PPP_CONTROL(p) (((u_char *)(p))[1]) -#define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3]) - -/* - * Significant octet values. - */ -#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 */ - -/* - * Protocol field values. - */ -#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_COMP 0xfd /* compressed packet */ -#define PPP_LCP 0xc021 /* Link Control Protocol */ -#define PPP_CCP 0x80fd /* Compression Control Protocol */ - -/* - * Important FCS values. - */ -#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]) - /* * Packet sizes */ #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 */ -/* Extended asyncmap - allows any character to be escaped. */ -typedef u_long ext_accm[8]; - -/* - * What to do with network protocol (NP) packets. - */ -enum NPmode { - NPMODE_PASS, /* pass the packet through */ - NPMODE_DROP, /* silently drop the packet */ - NPMODE_ERROR, /* return an error */ - NPMODE_QUEUE /* save it up for later. */ -}; - /* - * Supported network protocols. These values are used for - * indexing sc_npmode. + * Bit definitions for flags. */ -#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 */ - u_int sc_flags; /* see below */ - void *sc_devp; /* pointer to device-dep structure */ - int (*sc_start)(); /* start routine */ - short sc_mru; /* max receive unit */ - pid_t sc_xfer; /* used in transferring unit */ - struct ifqueue sc_inq; /* TTY side input queue */ - struct ifqueue sc_fastq; /* IP interactive output packet q */ -#ifdef VJC - struct slcompress sc_comp; /* vjc control buffer */ -#endif - u_int sc_bytessent; /* count of octets sent */ - u_int sc_bytesrcvd; /* count of octets received */ - 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 */ - - /* Device-dependent part for async lines. */ - ext_accm sc_asyncmap; /* async control character map */ - u_long 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 */ - 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 */ - u_char sc_rawin[16]; /* chars as received */ - int sc_rawin_count; /* # in sc_rawin */ -}; - -/* 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) */ @@ -176,7 +76,14 @@ struct ppp_option_data { int transmit; }; -/* this stuff doesn't belong here... */ +struct ifpppstatsreq { + char ifr_name[IFNAMSIZ]; + struct ppp_stats stats; +}; + +/* + * Ioctl definitions. + */ #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 */ @@ -194,12 +101,10 @@ struct ppp_option_data { #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ -#ifdef ultrix -#define ifr_mtu ifr_ifru.ifru_metric -#endif +#define SIOCGPPPSTATS _IOWR('i', 123, struct ifpppstatsreq) #if !defined(ifr_mtu) -#define ifr_mtu ifr_metric +#define ifr_mtu ifr_ifru.ifru_metric #endif #endif /* _IF_PPP_H_ */ -- 2.39.2