96 lines
4.7 KiB
C
Executable File
96 lines
4.7 KiB
C
Executable File
/************************************************************************/
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/* */
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/* ***** ***** */
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/* ***** ***** */
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/* ***** ***** */
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/* ***** ***** */
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/* *************** *************** */
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/* ***************** ***************** */
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/* *************** *************** */
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/* ***** ***** TheNetNode */
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/* ***** ***** Portable */
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/* ***** ***** Network */
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/* ***** ***** Software */
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/* */
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/* File os/go32/loop.c (maintained by: ???) */
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/* */
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/* This file is part of "TheNetNode" - Software Package */
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/* */
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/* Copyright (C) 1998 - 2008 NORD><LINK e.V. Braunschweig */
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/* */
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/* This program is free software; you can redistribute it and/or modify */
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/* it under the terms of the NORD><LINK ALAS (Allgemeine Lizenz fuer */
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/* Amateurfunk Software) as published by Hans Georg Giese (DF2AU) */
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/* on 13/Oct/1992; either version 1, or (at your option) any later */
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/* version. */
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/* */
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/* This program is distributed WITHOUT ANY WARRANTY only for further */
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/* development and learning purposes. See the ALAS (Allgemeine Lizenz */
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/* fuer Amateurfunk Software). */
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/* */
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/* You should have received a copy of the NORD><LINK ALAS (Allgemeine */
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/* Lizenz fuer Amateurfunk Software) along with this program; if not, */
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/* write to NORD><LINK e.V., Hinter dem Berge 5, D-38108 Braunschweig */
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/* */
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/* Dieses Programm ist PUBLIC DOMAIN, mit den Einschraenkungen durch */
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/* die ALAS (Allgemeine Lizenz fuer Amateurfunk Software), entweder */
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/* Version 1, veroeffentlicht von Hans Georg Giese (DF2AU), */
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/* am 13.Oct.1992, oder (wenn gewuenscht) jede spaetere Version. */
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/* */
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/* Dieses Programm wird unter Haftungsausschluss vertrieben, aus- */
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/* schliesslich fuer Weiterentwicklungs- und Lehrzwecke. Naeheres */
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/* koennen Sie der ALAS (Allgemeine Lizenz fuer Amateurfunk Software) */
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/* entnehmen. */
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/* */
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/* Sollte dieser Software keine ALAS (Allgemeine Lizenz fuer Amateur- */
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/* funk Software) beigelegen haben, wenden Sie sich bitte an */
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/* NORD><LINK e.V., Hinter dem Berge 5, D-38108 Braunschweig */
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/* */
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/************************************************************************/
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static int loop_major = 0;
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static void loopback(void) {
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LHEAD *l2flp;
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MBHEAD *txfhd;
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MBHEAD *rxfhd;
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int port;
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int rxport;
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int len;
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l2flp = txl2fl;
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for (port=0; port<L2PNUM; l2flp++, port++) /* jeden Port durchlaufen */
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{
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if (portpar[port].major == loop_major) {
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while (kick[port]) { /* was zum senden... */
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ulink((LEHEAD *)(txfhd = (MBHEAD *) l2flp->head));/*Zeiger holen*/
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rxport = port^1;
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if (portpar[rxport].major != loop_major)
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rxport = port;
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/*if (rand() % 15) {*/
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len = cpymbflat(blkbuf, txfhd);
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rxfhd = cpyflatmb(blkbuf, len);
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rxfhd->l2port = rxport;
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relink((LEHEAD *)rxfhd, (LEHEAD *)rxfl.tail);
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/*}*/
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relink((LEHEAD *)txfhd, /* als gesendet betrachten und in */
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(LEHEAD *)stfl.tail); /* die gesendet Liste umhaengen */
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kick[port] = ((LHEAD *)l2flp->head != l2flp);
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}
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}
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}
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}
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static int register_loopback(void)
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{
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MAJOR *m;
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m = register_major();
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m->name = "LOOPBACK";
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m->handle = loopback;
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return(loop_major = num_major);
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}
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/* End of os/go32/loop.c */
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