X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=include%2Fnet%2Fppp_str.h;h=8dfab1589a8a7a5f3ad41f8a79a991cf06e35ba3;hp=8339f96af9b4b38ecfb2c8469bc2cafeb760fd11;hb=5271a2f101bf0e37d673e65466ab29accba03891;hpb=fb2b6aa63decb60e75667151a46214351a07756f diff --git a/include/net/ppp_str.h b/include/net/ppp_str.h index 8339f96..8dfab15 100644 --- a/include/net/ppp_str.h +++ b/include/net/ppp_str.h @@ -1,29 +1,149 @@ /* ppp_str.h - streams version include file - defines ioctl calls for MRU, COMPPROT and ASYNCMAP - Copyright (C) 1990 Brad K. Clements, All Rights Reserved, See copyright statement in NOTES */ #include +#define PPP_HDRLEN 4 /* octets for standard ppp header */ +#define PPP_FCSLEN 2 /* octets for FCS */ + +#define PPP_ADDRESS(cp) ((cp)[0]) +#define PPP_CONTROL(cp) ((cp)[1]) +#define PPP_PROTOCOL(cp) (((cp)[2] << 8) + (cp)[3]) + +#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 */ +#define PPP_HDRLEN 4 /* sizeof(struct ppp_header) must be 4 */ + +/* + * A 32-bit unsigned integral type. + */ +#ifdef UINT32_T +typedef UINT32_T u_int32_t; +#else +typedef unsigned long u_int32_t; +#endif + +/* Extended asyncmap - allows any character to be escaped. */ +typedef u_int32_t ext_accm[8]; + +/* + * Statistics. + */ +struct pppstat { + u_int ppp_ibytes; /* bytes received */ + u_int ppp_ipackets; /* packets received */ + u_int ppp_ierrors; /* receive errors */ + u_int ppp_obytes; /* bytes sent */ + u_int ppp_opackets; /* packets sent */ + u_int ppp_oerrors; /* transmit errors */ +}; + +struct vjstat { + u_int sls_packets; /* outbound packets */ + u_int sls_compressed; /* outbound compressed packets */ + u_int sls_searches; /* searches for connection state */ + u_int sls_misses; /* times couldn't find conn. state */ + u_int sls_uncompressedin; /* inbound uncompressed packets */ + u_int sls_compressedin; /* inbound compressed packets */ + u_int sls_errorin; /* inbound unknown type packets */ + u_int sls_tossed; /* inbound packets tossed because of error */ +}; + +struct ppp_stats { + struct pppstat p; + struct vjstat vj; +}; + +/* + * 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. */ +}; + +struct npioctl { + int protocol; /* PPP procotol, e.g. PPP_IP */ + enum NPmode mode; +}; + +/* Structure describing a CCP configuration option, for SIOCSCOMPRESS */ +#define MAX_PPP_OPTION 32 +struct ppp_option_data { + u_int length; + int transmit; + u_char opt_data[MAX_PPP_OPTION]; +}; + +/* Bit definitions for SIOC[GS]IFCOMP. */ +#define CCP_ISOPEN 1 +#define CCP_ISUP 2 +#define CCP_COMP_RUN 4 +#define CCP_DECOMP_RUN 8 +#define CCP_ERROR 0x10 +#define CCP_FATALERROR 0x20 + +/* + * Ioctl definitions. + */ + #ifdef __STDC__ #define SIOCSIFCOMPAC _IOW('p', 130, char) #define SIOCSIFCOMPPROT _IOW('p', 131, char) #define SIOCSIFMRU _IOW('p', 132, int) /* set max receive unit */ #define SIOCGIFMRU _IOR('p', 133, int) /* get max receive unit */ -#define SIOCGIFASYNCMAP _IOR('p', 134, long) /* get transmit async map */ -#define SIOCSIFASYNCMAP _IOW('p', 135, long) /* set transmit async map */ +#define SIOCGIFASYNCMAP _IOR('p', 134, u_int32_t) /* get transmit async map */ +#define SIOCSIFASYNCMAP _IOW('p', 135, u_int32_t) /* set transmit async map */ #define SIOCGETU _IOR('p', 136, int) /* get unit number */ #define SIOCSIFVJCOMP _IOW('p', 137, char) /* enable/disable VJ comp */ #define SIOCGIFDEBUG _IOR('p', 138, int) /* get debug flags */ #define SIOCSIFDEBUG _IOW('p', 139, int) /* set debug flags */ -#define SIOCGIFRASYNCMAP _IOR('p', 140, long) /* get receive async map */ -#define SIOCSIFRASYNCMAP _IOW('p', 141, long) /* set receive async map */ +#define SIOCGIFRASYNCMAP _IOR('p', 140, u_int32_t) /* get receive async map */ +#define SIOCSIFRASYNCMAP _IOW('p', 141, u_int32_t) /* set receive async map */ #define SIOCGIFXASYNCMAP _IOR('p', 142, ext_accm) /* get extended xmit map */ #define SIOCSIFXASYNCMAP _IOW('p', 143, ext_accm) /* set extended xmit map */ +#define SIOCSETU _IOW('p', 144, int) /* set unit number */ +#define SIOCSETNPMODE _IOW('p', 145, struct npioctl) /* set NP mode */ +#define SIOCGETNPMODE _IOWR('p', 146, struct npioctl) /* get NP mode */ +#define SIOCGETSTATS _IOR('p', 147, struct ppp_stats) +#define SIOCGIFCOMP _IOR('p', 148, int) /* get CCP kernel flags */ +#define SIOCSIFCOMP _IOW('p', 149, int) /* set CCP closed/open/up */ +#define SIOCSCOMPRESS _IOW('p', 150, struct ppp_option_data) #else /* traditional C compiler */ @@ -31,16 +151,23 @@ #define SIOCSIFCOMPPROT _IOW(p, 131, char) #define SIOCSIFMRU _IOW(p, 132, int) /* set max receive unit */ #define SIOCGIFMRU _IOR(p, 133, int) /* get max receive unit */ -#define SIOCGIFASYNCMAP _IOR(p, 134, long) /* get transmit async map */ -#define SIOCSIFASYNCMAP _IOW(p, 135, long) /* set transmit async map */ +#define SIOCGIFASYNCMAP _IOR(p, 134, u_int32_t) /* get transmit async map */ +#define SIOCSIFASYNCMAP _IOW(p, 135, u_int32_t) /* set transmit async map */ #define SIOCGETU _IOR(p, 136, int) /* get unit number */ #define SIOCSIFVJCOMP _IOW(p, 137, char) /* enable/disable VJ comp */ #define SIOCGIFDEBUG _IOR(p, 138, int) /* get debug flags */ #define SIOCSIFDEBUG _IOW(p, 139, int) /* set debug flags */ -#define SIOCGIFRASYNCMAP _IOR(p, 140, long) /* get receive async map */ -#define SIOCSIFRASYNCMAP _IOW(p, 141, long) /* set receive async map */ -#define SIOCGIFXASYNCMAP _IOR(p, 142, ext_accm) /* get extended xmit map */ -#define SIOCSIFXASYNCMAP _IOW(p, 143, ext_accm) /* set extended xmit map */ +#define SIOCGIFRASYNCMAP _IOR(p, 140, u_int32_t) /* get receive async map */ +#define SIOCSIFRASYNCMAP _IOW(p, 141, u_int32_t) /* set receive async map */ +#define SIOCGIFXASYNCMAP _IOR(p, 142, ext_accm) /* get extended xmit map */ +#define SIOCSIFXASYNCMAP _IOW(p, 143, ext_accm) /* set extended xmit map */ +#define SIOCSETU _IOW(p, 144, int) /* set unit number */ +#define SIOCSETNPMODE _IOW(p, 145, struct npioctl) /* set NP mode */ +#define SIOCGETNPMODE _IOWR(p, 146, struct npioctl) /* get NP mode */ +#define SIOCGETSTATS _IOR(p, 147, struct ppp_stats) +#define SIOCGIFCOMP _IOR(p, 148, int) /* get CCP kernel flags */ +#define SIOCSIFCOMP _IOW(p, 149, int) /* set CCP closed/open/up */ +#define SIOCSCOMPRESS _IOW(p, 150, struct ppp_option_data) #endif /* @@ -50,40 +177,24 @@ * bits 4--7 = maximum slot ID (0 => use default (15)). */ -/* - * Structure used within the ppp_if streams module. - */ -struct ppp_if_info { - int pii_flags; -#define PII_FLAGS_INUSE 0x1 /* in use by a stream */ -#define PII_FLAGS_ATTACHED 0x8 /* already if_attached */ -#define PII_FLAGS_VJC_ON 0x10 /* VJ TCP header compression enabled */ -#define PII_FLAGS_VJC_NOCCID 0x20 /* VJ: don't compress conn. id */ -#define PII_FLAGS_VJC_REJ 0x40 /* receive: reject VJ comp */ -#define PII_FLAGS_DEBUG 0x80 /* enable debug printout */ - - struct ifnet pii_ifnet; - queue_t *pii_writeq; /* used by ppp_output */ -#ifdef VJC - struct slcompress pii_sc_comp; /* vjc control buffer */ -#endif -#ifdef PPP_STATS - struct pppstat { - u_int ppp_ibytes; - u_int ppp_ipackets; - u_int ppp_ierrors; - u_int ppp_obytes; - u_int ppp_opackets; - u_int ppp_oerrors; - } pii_stats; -#endif -}; +/* Bits for SIOCGIFDEBUG */ +#define PAI_FLAGS_B7_0 0x100 +#define PAI_FLAGS_B7_1 0x200 +#define PAI_FLAGS_PAR_EVEN 0x400 +#define PAI_FLAGS_PAR_ODD 0x800 +#define PAI_FLAGS_HIBITS 0xF00 -#ifdef STREAMS /* defines for streams modules */ #define IF_INPUT_ERROR 0xe1 #define IF_OUTPUT_ERROR 0xe2 #define ALLOCBSIZE 64 /* how big of a buffer block to allocate for each chunk of the input chain */ + +#ifndef __P +#ifdef __STDC__ +#define __P(x) x +#else +#define __P(x) () +#endif #endif