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