/* * spppasyn.h - Solaris STREAMS PPP asynchronous HDLC module definitions * * Copyright 2000-2002 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * * 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. * * SUN MAKES NO REPRESENTATION OR WARRANTIES ABOUT THE SUITABILITY OF * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES * * 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 HAS 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. * * This driver is derived from the original SVR4 STREAMS PPP driver * originally written by Paul Mackerras <paul.mackerras@cs.anu.edu.au>. * * Adi Masputra <adi.masputra@sun.com> rewrote and restructured the code * for improved performance and scalability. */ #ifndef __SPPPASYN_H #define __SPPPASYN_H #ifdef __cplusplus extern "C" { #endif typedef struct spppasyn_kstats { kstat_named_t pks_ioctls; /* total ioctl count */ kstat_named_t pks_ioctlsfwd; /* forwarded down */ kstat_named_t pks_ioctlserr; /* returned in error */ kstat_named_t pks_ctls; /* total ctl count */ kstat_named_t pks_ctlsfwd; /* forwarded down */ kstat_named_t pks_ctlserr; /* discarded due to error */ kstat_named_t pks_inbadchars; /* chars in recv accm */ kstat_named_t pks_inbadcharmask; /* add to recv accm */ kstat_named_t pks_inaborts; /* aborted (7D 7E) frames */ kstat_named_t pks_inrunts; /* too short (<4) frames */ kstat_named_t pks_inallocfails; /* out of STREAMS buffers */ kstat_named_t pks_intoolongs; /* too long (>MRU) frames */ kstat_named_t pks_outrunts; /* bugs in upper modules */ kstat_named_t pks_outallocfails; /* out of STREAMS buffers */ kstat_named_t pks_incrcerrs; /* bad input frames */ kstat_named_t pks_unknownwrs; /* forwarded wput messages */ kstat_named_t pks_unknownrds; /* forwarded rput messages */ kstat_named_t pks_hangups; /* hang-up messages */ kstat_named_t pks_datain; /* received from serial */ kstat_named_t pks_dataout; /* sent to serial */ kstat_named_t pks_extrabufs; /* extra buffers needed */ kstat_named_t pks_sentmux; /* sent mux count */ kstat_named_t pks_recvmux; /* received mux count */ kstat_named_t pks_inmuxerrs; /* bad input mux frames */ #ifdef REPORT_CRC_TYPE kstat_named_t pks_incrctype; /* configured input CRC bits */ kstat_named_t pks_outcrctype; /* configured output CRC */ #endif } spppasyn_kstats_t; /* * Per-stream state structure */ typedef struct sppp_ahdlc { uint32_t sa_flags; /* link flags */ mblk_t *sa_rx_buf; /* ptr to receive buffer */ ushort_t sa_infcs16; /* calculated rx HDLC FCS */ ushort_t sa_proto; /* the last protocol in frame */ uint32_t sa_infcs32; /* calculated rx HDLC FCS-32 */ uint32_t sa_xaccm[8]; /* 256-bit xmit ACCM */ uint32_t sa_raccm; /* 32-bit rcv ACCM */ int sa_mru; /* link MRU */ int sa_unit; /* current PPP unit number */ struct pppstat64 sa_stats; /* statistic structure */ hrtime_t sa_hrtime; /* last updated hrtime */ mblk_t *sa_mqhead; /* pointer to the first message */ mblk_t *sa_mqtail; /* pointer to the last message */ size_t sa_mqlen; /* length of the frame so far */ timeout_id_t sa_timeout_id; /* timeout id */ uint32_t sa_timeout_usec; /* value of the mux timer */ kstat_t *sa_ksp; /* kernel statistics structure */ spppasyn_kstats_t sa_kstats; /* current statistics */ } sppp_ahdlc_t; /* * Values for flags. Note that bits 0-7 (0xFF) are used by RCV_* flags * and [XR]_MUXMASK in pppio.h. */ #define SAF_ESCAPED 0x00000100 /* last saw escape char on input */ #define SAF_IFLUSH 0x00000200 /* discarding due to hangup or error */ #define SAF_XMITCRC32 0x00000400 /* transmit 32 bit CRC */ #define SAF_XMITCRCNONE 0x00000800 /* transmit no CRC */ #define SAF_RECVCRC32 0x00001000 /* receive 32 bit CRC */ #define SAF_RECVCRCNONE 0x00002000 /* receive no CRC */ #define SAF_XMITDUMP 0x00004000 /* dump raw transmitted data */ #define SAF_RECVDUMP 0x00008000 /* dump raw received data */ #define SAF_LASTMOD 0x00010000 /* last PPP-aware module in stream */ #define SAF_XCOMP_AC 0x00100000 /* compress address/control */ #define SAF_RDECOMP_AC 0x00200000 /* decompress address/control */ #define SAF_XCOMP_PROT 0x00400000 /* compress PPP protocol */ #define SAF_RDECOMP_PROT 0x00800000 /* decompress PPP protocol */ #ifdef __cplusplus } #endif #endif /* __SPPPASYN_H */
