The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/i4b_trace.h

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    1 /*-
    2  * Copyright (c) 1997, 2002 Hellmuth Michaelis. All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23  * SUCH DAMAGE.
   24  */
   25 
   26 /*---------------------------------------------------------------------------
   27  *
   28  *      i4b_trace.h - header file for trace data read device
   29  *      ----------------------------------------------------
   30  *
   31  * $FreeBSD$
   32  *
   33  *      last edit-date: [Sun Mar 17 10:10:52 2002]
   34  *
   35  *---------------------------------------------------------------------------*/
   36 
   37 #ifndef _I4B_TRACE_H_
   38 #define _I4B_TRACE_H_
   39 
   40 /*---------------------------------------------------------------------------*
   41  *      structure of the header at the beginning of every trace mbuf
   42  *---------------------------------------------------------------------------*/
   43 typedef struct {
   44         int length;             /* length of the following mbuf         */
   45         int unit;               /* controller unit number               */
   46         int type;               /* type of channel                      */
   47 #define TRC_CH_I        0               /* Layer 1 INFO's               */
   48 #define TRC_CH_D        1               /* D channel                    */
   49 #define TRC_CH_B1       2               /* B1 channel                   */
   50 #define TRC_CH_B2       3               /* B2 channel                   */
   51         int dir;                /* direction                            */
   52 #define FROM_TE 0                       /* user -> network              */
   53 #define FROM_NT 1                       /* network -> user              */
   54         int trunc;              /* # of truncated bytes (frame > MCLBYTES) */
   55         unsigned int count;     /* frame count for this unit/type       */
   56         struct timeval time;    /* timestamp for this frame             */
   57 } i4b_trace_hdr_t;
   58 
   59 #define INFO0           0       /* layer 1 */
   60 #define INFO1_8         1
   61 #define INFO1_10        2
   62 #define INFO2           3
   63 #define INFO3           4
   64 #define INFO4_8         5
   65 #define INFO4_10        6
   66 
   67 /*---------------------------------------------------------------------------*
   68  *      ioctl via /dev/i4btrc device(s):
   69  *      get/set current trace flag settings
   70  *---------------------------------------------------------------------------*/
   71         
   72 #define I4B_TRC_SET     _IOW('T', 0, int)       /* set trace settings   */
   73 
   74 #define TRACE_OFF       0x00            /* tracing off          */
   75 #define TRACE_I         0x01            /* trace L1 INFO's on   */
   76 #define TRACE_D_TX      0x02            /* trace D channel on   */
   77 #define TRACE_D_RX      0x04            /* trace D channel on   */
   78 #define TRACE_B_TX      0x08            /* trace B channel on   */
   79 #define TRACE_B_RX      0x10            /* trace B channel on   */
   80 
   81 typedef struct {
   82         int rxunit;             /* unit # for rx frames */
   83         int rxflags;            /* d and/or b channel   */
   84         int txunit;             /* unit # for tx frames */
   85         int txflags;            /* d and/or b channel   */
   86 } i4b_trace_setupa_t;
   87 
   88 #define I4B_TRC_SETA    _IOW('T', 1, i4b_trace_setupa_t) /* set analyze mode */
   89 #define I4B_TRC_RESETA  _IOW('T', 2, int)       /* reset analyze mode   */
   90 
   91 #endif /* _I4B_TRACE_H_ */

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