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/*
 * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *---------------------------------------------------------------------------*/

#ifndef _I4B_TRACE_H_
#define _I4B_TRACE_H_

#include <glib.h>

/*---------------------------------------------------------------------------*
 *      structure of the header at the beginning of every trace mbuf
 *---------------------------------------------------------------------------*/
typedef struct {
        guint32 length;         /* length of the following mbuf         */
        gint32 unit;            /* controller unit number               */
        gint32 type;            /* type of channel                      */
#define TRC_CH_I        0                /* Layer 1 INFO's               */
#define TRC_CH_D        1               /* D channel                    */
#define TRC_CH_B1       2               /* B1 channel                   */
#define TRC_CH_B2       3               /* B2 channel                   */
        gint32 dir;             /* direction                            */
#define FROM_TE 0                        /* user -> network              */
#define FROM_NT 1                       /* network -> user              */
        gint32 trunc;           /* # of truncated bytes (frame > MCLBYTES) */
        guint32 count;          /* frame count for this unit/type       */
        guint32 ts_sec;         /* timestamp seconds */
        guint32 ts_usec;        /* timestamp microseconds */
} i4b_trace_hdr_t;

#define INFO0           0        /* layer 1 */
#define INFO1_8         1
#define INFO1_10        2
#define INFO2           3
#define INFO3           4
#define INFO4_8         5
#define INFO4_10        6

/*---------------------------------------------------------------------------*
 *      ioctl via /dev/i4btrc device(s):
 *      get/set current trace flag settings
 *---------------------------------------------------------------------------*/

#define I4B_TRC_GET     _IOR('T', 0, int)       /* get trace settings   */
#define I4B_TRC_SET     _IOW('T', 1, int)       /* set trace settings   */

#define TRACE_OFF       0x00            /* tracing off          */
#define TRACE_I         0x01            /* trace L1 INFO's on   */
#define TRACE_D_TX      0x02            /* trace D channel on   */
#define TRACE_D_RX      0x04            /* trace D channel on   */
#define TRACE_B_TX      0x08            /* trace B channel on   */
#define TRACE_B_RX      0x10            /* trace B channel on   */

typedef struct {
        gint32 rxunit;          /* unit # for rx frames */
        gint32 rxflags;         /* d and/or b channel   */
        gint32 txunit;          /* unit # for tx frames */
        gint32 txflags;         /* d and/or b channel   */
} i4b_trace_setupa_t;

#define I4B_TRC_SETA    _IOW('T', 2, i4b_trace_setupa_t) /* set analyze mode */
#define I4B_TRC_RESETA  _IOW('T', 3, int)       /* reset analyze mode   */

#endif /* _I4B_TRACE_H_ */