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Annotation of kernel/bsd/netat/adsp_Options.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: #include       <adsp_local.h>
                     26: 
                     27: 
                     28: /*
                     29:  * dspOptions
                     30:  * 
                     31:  * INPUTS:
                     32:  *     --> ccbRefNum           refnum of connection end
                     33:  *     --> sendBlocking        send blocking threshold
                     34:  *     --> sendTimer           send timer interval
                     35:  *     --> rtmtTimer           retransmit timer interval
                     36:  *     --> badSeqMax           retransmit advice send threshold
                     37:  *     --> useCheckSum         generate DDP checksum on internet packets
                     38:  *
                     39:  * OUTPUTS:
                     40:  *     none
                     41:  *
                     42:  * ERRORS:
                     43:  *     errRefNum               bad connection refnum
                     44: */
                     45: int adspOptions(sp, pb)        /* (DSPPBPtr pb) */
                     46:     CCBPtr             sp;
                     47:     struct adspcmd *pb;
                     48: {
                     49:     OSErr err;
                     50:        
                     51:     if (sp == 0) {
                     52:        pb->ioResult = errRefNum; 
                     53:        return EINVAL;
                     54:     }
                     55:        
                     56:     if (pb->u.optionParams.sendBlocking)
                     57:        sp->sendBlocking = pb->u.optionParams.sendBlocking;
                     58: 
                     59:     if (pb->u.optionParams.sendTimer)
                     60:        sp->sendInterval = pb->u.optionParams.sendTimer;
                     61: 
                     62:     /* No longer allowed to set retransmit timer as of ADSP 1.5 */
                     63:     /* Use it to specify a command blocking request specific to MacOS
                     64:      * emulation. */
                     65:     if (pb->u.optionParams.rtmtTimer)
                     66:        sp->delay = pb->u.optionParams.rtmtTimer;
                     67: 
                     68:     if (pb->u.optionParams.badSeqMax)
                     69:        sp->badSeqMax = pb->u.optionParams.badSeqMax;
                     70: 
                     71:     sp->useCheckSum = pb->u.optionParams.useCheckSum;
                     72:     if (pb->u.optionParams.newPID)
                     73:        sp->pid = pb->u.optionParams.newPID;
                     74:     pb->ioResult = 0;
                     75:     adspioc_ack(0, pb->ioc, pb->gref);
                     76:     return 0;
                     77: 
                     78: }

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