+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) University of British Columbia, 1984
- * Copyright (c) 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * the Laboratory for Computation Vision and the Computer Science Department
- * of the University of British Columbia.
- *
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- *
- * @(#)hd_var.h 8.1 (Berkeley) 6/10/93
- */
-
-/*
- *
- * hdlc control block
- *
- */
-
-struct hdtxq {
- struct mbuf *head;
- struct mbuf *tail;
-};
-
-struct hdcb {
- struct hdcb *hd_next; /* pointer to next hdlc control block */
- char hd_state; /* link state */
- char hd_vs; /* send state variable */
- char hd_vr; /* receive state variable */
- char hd_lastrxnr; /* last received N(R) */
- char hd_lasttxnr; /* last transmitted N(R) */
- char hd_condition;
-#define TIMER_RECOVERY_CONDITION 0x01
-#define REJ_CONDITION 0x02
-#define REMOTE_RNR_CONDITION 0X04
- char hd_retxcnt;
- char hd_xx;
- struct hdtxq hd_txq;
- struct mbuf *hd_retxq[MODULUS];
- char hd_retxqi;
- char hd_rrtimer;
- char hd_timer;
-#define SET_TIMER(hdp) hdp->hd_timer = hd_t1
-#define KILL_TIMER(hdp) hdp->hd_timer = 0
- char hd_dontcopy; /* if-driver doesn't free I-frames */
- struct ifnet *hd_ifp; /* device's network visible interface */
- struct ifaddr *hd_ifa; /* device's X.25 network address */
- struct x25config *hd_xcp;
- caddr_t hd_pkp; /* Level III junk */
- int (*hd_output)(); /* separate entry for HDLC direct output */
-
- /* link statistics */
-
- long hd_iframes_in;
- long hd_iframes_out;
- long hd_rrs_in;
- long hd_rrs_out;
- short hd_rejs_in;
- short hd_rejs_out;
- long hd_window_condition;
- short hd_invalid_ns;
- short hd_invalid_nr;
- short hd_timeouts;
- short hd_resets;
- short hd_unknown;
- short hd_frmrs_in;
- short hd_frmrs_out;
- short hd_rnrs_in;
- short hd_rnrs_out;
-};
-
-#ifdef KERNEL
-struct hdcb *hdcbhead; /* head of linked list of hdcb's */
-struct Frmr_frame hd_frmr; /* rejected frame diagnostic info */
-struct ifqueue hdintrq; /* hdlc packet input queue */
-
-int hd_t1; /* timer T1 value */
-int hd_t3; /* RR send timer */
-int hd_n2; /* frame retransmission limit */
-#endif
projects / apple / xnu.git / blobdiff