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/*
* 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
#pragma ident "%Z%%M% %I% %E% SMI"
#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 */
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