1 /* 2 * spppasyn.h - Solaris STREAMS PPP asynchronous HDLC module definitions 3 * 4 * Copyright 2000-2002 Sun Microsystems, Inc. All rights reserved. 5 * Use is subject to license terms. 6 * 7 * Permission to use, copy, modify, and distribute this software and its 8 * documentation is hereby granted, provided that the above copyright 9 * notice appears in all copies. 10 * 11 * SUN MAKES NO REPRESENTATION OR WARRANTIES ABOUT THE SUITABILITY OF 12 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 13 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 14 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR 15 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR 16 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES 17 * 18 * Copyright (c) 1994 The Australian National University. 19 * All rights reserved. 20 * 21 * Permission to use, copy, modify, and distribute this software and its 22 * documentation is hereby granted, provided that the above copyright 23 * notice appears in all copies. This software is provided without any 24 * warranty, express or implied. The Australian National University 25 * makes no representations about the suitability of this software for 26 * any purpose. 27 * 28 * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY 29 * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 30 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF 31 * THE AUSTRALIAN NATIONAL UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 * 34 * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, 35 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 36 * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 37 * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO 38 * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, 39 * OR MODIFICATIONS. 40 * 41 * This driver is derived from the original SVR4 STREAMS PPP driver 42 * originally written by Paul Mackerras <paul.mackerras@cs.anu.edu.au>. 43 * 44 * Adi Masputra <adi.masputra@sun.com> rewrote and restructured the code 45 * for improved performance and scalability. 46 */ 47 48 #ifndef __SPPPASYN_H 49 #define __SPPPASYN_H 50 51 #pragma ident "%Z%%M% %I% %E% SMI" 52 53 #ifdef __cplusplus 54 extern "C" { 55 #endif 56 57 typedef struct spppasyn_kstats { 58 kstat_named_t pks_ioctls; /* total ioctl count */ 59 kstat_named_t pks_ioctlsfwd; /* forwarded down */ 60 kstat_named_t pks_ioctlserr; /* returned in error */ 61 kstat_named_t pks_ctls; /* total ctl count */ 62 kstat_named_t pks_ctlsfwd; /* forwarded down */ 63 kstat_named_t pks_ctlserr; /* discarded due to error */ 64 kstat_named_t pks_inbadchars; /* chars in recv accm */ 65 kstat_named_t pks_inbadcharmask; /* add to recv accm */ 66 kstat_named_t pks_inaborts; /* aborted (7D 7E) frames */ 67 kstat_named_t pks_inrunts; /* too short (<4) frames */ 68 kstat_named_t pks_inallocfails; /* out of STREAMS buffers */ 69 kstat_named_t pks_intoolongs; /* too long (>MRU) frames */ 70 kstat_named_t pks_outrunts; /* bugs in upper modules */ 71 kstat_named_t pks_outallocfails; /* out of STREAMS buffers */ 72 kstat_named_t pks_incrcerrs; /* bad input frames */ 73 kstat_named_t pks_unknownwrs; /* forwarded wput messages */ 74 kstat_named_t pks_unknownrds; /* forwarded rput messages */ 75 kstat_named_t pks_hangups; /* hang-up messages */ 76 kstat_named_t pks_datain; /* received from serial */ 77 kstat_named_t pks_dataout; /* sent to serial */ 78 kstat_named_t pks_extrabufs; /* extra buffers needed */ 79 kstat_named_t pks_sentmux; /* sent mux count */ 80 kstat_named_t pks_recvmux; /* received mux count */ 81 kstat_named_t pks_inmuxerrs; /* bad input mux frames */ 82 #ifdef REPORT_CRC_TYPE 83 kstat_named_t pks_incrctype; /* configured input CRC bits */ 84 kstat_named_t pks_outcrctype; /* configured output CRC */ 85 #endif 86 } spppasyn_kstats_t; 87 88 /* 89 * Per-stream state structure 90 */ 91 typedef struct sppp_ahdlc { 92 uint32_t sa_flags; /* link flags */ 93 mblk_t *sa_rx_buf; /* ptr to receive buffer */ 94 ushort_t sa_infcs16; /* calculated rx HDLC FCS */ 95 ushort_t sa_proto; /* the last protocol in frame */ 96 uint32_t sa_infcs32; /* calculated rx HDLC FCS-32 */ 97 uint32_t sa_xaccm[8]; /* 256-bit xmit ACCM */ 98 uint32_t sa_raccm; /* 32-bit rcv ACCM */ 99 int sa_mru; /* link MRU */ 100 int sa_unit; /* current PPP unit number */ 101 struct pppstat64 sa_stats; /* statistic structure */ 102 hrtime_t sa_hrtime; /* last updated hrtime */ 103 mblk_t *sa_mqhead; /* pointer to the first message */ 104 mblk_t *sa_mqtail; /* pointer to the last message */ 105 size_t sa_mqlen; /* length of the frame so far */ 106 timeout_id_t sa_timeout_id; /* timeout id */ 107 uint32_t sa_timeout_usec; /* value of the mux timer */ 108 kstat_t *sa_ksp; /* kernel statistics structure */ 109 spppasyn_kstats_t sa_kstats; /* current statistics */ 110 } sppp_ahdlc_t; 111 112 /* 113 * Values for flags. Note that bits 0-7 (0xFF) are used by RCV_* flags 114 * and [XR]_MUXMASK in pppio.h. 115 */ 116 #define SAF_ESCAPED 0x00000100 /* last saw escape char on input */ 117 #define SAF_IFLUSH 0x00000200 /* discarding due to hangup or error */ 118 #define SAF_XMITCRC32 0x00000400 /* transmit 32 bit CRC */ 119 #define SAF_XMITCRCNONE 0x00000800 /* transmit no CRC */ 120 #define SAF_RECVCRC32 0x00001000 /* receive 32 bit CRC */ 121 #define SAF_RECVCRCNONE 0x00002000 /* receive no CRC */ 122 #define SAF_XMITDUMP 0x00004000 /* dump raw transmitted data */ 123 #define SAF_RECVDUMP 0x00008000 /* dump raw received data */ 124 #define SAF_LASTMOD 0x00010000 /* last PPP-aware module in stream */ 125 #define SAF_XCOMP_AC 0x00100000 /* compress address/control */ 126 #define SAF_RDECOMP_AC 0x00200000 /* decompress address/control */ 127 #define SAF_XCOMP_PROT 0x00400000 /* compress PPP protocol */ 128 #define SAF_RDECOMP_PROT 0x00800000 /* decompress PPP protocol */ 129 130 #ifdef __cplusplus 131 } 132 #endif 133 134 #endif /* __SPPPASYN_H */ 135