release/3.0.0

1 files changed, 0 insertions, 312 deletions

diff --git a/sys/i4b/layer2/i4b_util.c b/sys/i4b/layer2/i4b_util.c
deleted file mode 100644
index 9f8fe196c56cc..0000000000000
--- a/sys/i4b/layer2/i4b_util.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- *
- *---------------------------------------------------------------------------
- *
- *	i4b_util.c - layer 2 utility routines
- *	-------------------------------------
- *
- *	$Id: i4b_util.c,v 1.15 1998/12/05 18:05:26 hm Exp $ 
- *
- *      last edit-date: [Sat Dec  5 18:31:10 1998]
- *
- *---------------------------------------------------------------------------*/
-
-#ifdef __FreeBSD__
-#include "i4bq921.h"
-#else
-#define	NI4BQ921	1
-#endif
-#if NI4BQ921 > 0
-
-#include <sys/param.h>
-#if defined(__FreeBSD__) && __FreeBSD__ >= 3
-#include <sys/ioccom.h>
-#else
-#include <sys/ioctl.h>
-#endif
-#include <sys/kernel.h>
-#include <sys/systm.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <net/if.h>
-
-#ifdef __FreeBSD__
-#include <machine/i4b_debug.h>
-#include <machine/i4b_ioctl.h>
-#else
-#include <i4b/i4b_debug.h>
-#include <i4b/i4b_ioctl.h>
-#endif
-
-#include <i4b/include/i4b_global.h>
-#include <i4b/include/i4b_l1l2.h>
-#include <i4b/include/i4b_l2l3.h>
-#include <i4b/include/i4b_isdnq931.h>
-#include <i4b/include/i4b_mbuf.h>
-
-#include <i4b/layer2/i4b_l2.h>
-#include <i4b/layer2/i4b_l2fsm.h>
-
-/*---------------------------------------------------------------------------*
- *	routine ESTABLISH DATA LINK (Q.921 03/93 page 83)
- *---------------------------------------------------------------------------*/
-void
-i4b_establish_data_link(l2_softc_t *l2sc)
-{
-	i4b_l1_activate(l2sc);	
-
-	i4b_clear_exception_conditions(l2sc);
-
-	l2sc->RC = 0;
-
-	i4b_tx_sabme(l2sc, P1);
-
-	i4b_T200_restart(l2sc);
-
-	i4b_T203_stop(l2sc);	
-}
-
-/*---------------------------------------------------------------------------*
- *	routine CLEAR EXCEPTION CONDITIONS (Q.921 03/93 page 83)
- *---------------------------------------------------------------------------*/
-void
-i4b_clear_exception_conditions(l2_softc_t *l2sc)
-{
-
-/*XXX -------------------------------------------------------------- */
-/*XXX is this really appropriate here or should it moved elsewhere ? */
-
-	i4b_Dcleanifq(&l2sc->i_queue);
-
-	if(l2sc->ua_num != UA_EMPTY)
-	{
-		i4b_Dfreembuf(l2sc->ua_frame);
-		l2sc->ua_num = UA_EMPTY;
-	}
-/*XXX -------------------------------------------------------------- */
-
-	l2sc->peer_busy = 0;
-
-	l2sc->rej_excpt = 0;
-
-	l2sc->own_busy = 0;
-
-	l2sc->ack_pend = 0;	
-}
-
-/*---------------------------------------------------------------------------*
- *	routine TRANSMIT ENQUIRE (Q.921 03/93 page 83)
- *---------------------------------------------------------------------------*/
-void
-i4b_transmit_enquire(l2_softc_t *l2sc)
-{
-	if(l2sc->own_busy)
-		i4b_tx_rnr_command(l2sc, P1);
-	else
-		i4b_tx_rr_command(l2sc, P1);
-
-	l2sc->ack_pend = 0;
-
-	i4b_T200_start(l2sc);
-}
-
-/*---------------------------------------------------------------------------*
- *	routine NR ERROR RECOVERY (Q.921 03/93 page 83)
- *---------------------------------------------------------------------------*/
-void
-i4b_nr_error_recovery(l2_softc_t *l2sc)
-{
-	i4b_mdl_error_ind(l2sc, "i4b_nr_error_recovery", MDL_ERR_J);
-
-	i4b_establish_data_link(l2sc);
-	
-	l2sc->l3initiated = 0;
-}
-
-/*---------------------------------------------------------------------------*
- *	routine ENQUIRY RESPONSE (Q.921 03/93 page 84)
- *---------------------------------------------------------------------------*/
-void
-i4b_enquiry_response(l2_softc_t *l2sc)
-{
-	if(l2sc->own_busy)
-		i4b_tx_rnr_response(l2sc, F1);
-	else
-		i4b_tx_rr_response(l2sc, F1);
-
-	l2sc->ack_pend = 0;
-}
-
-/*---------------------------------------------------------------------------*
- *	routine INVOKE RETRANSMISSION (Q.921 03/93 page 84)
- *---------------------------------------------------------------------------*/
-void
-i4b_invoke_retransmission(l2_softc_t *l2sc, int nr)
-{
-	DBGL2(L2_ERROR, "i4b_invoke_retransmission", ("nr = %d\n", nr ));
-	
-	while(l2sc->vs != nr)
-	{
-		DBGL2(L2_ERROR, "i4b_invoke_retransmission", ("nr != vs, nr = %d, vs = %d\n", nr, l2sc->vs));
-
-		M128DEC(l2sc->vs);
-
-/* XXXXXXXXXXXXXXXXX */
-
-		if((l2sc->ua_num != UA_EMPTY) && (l2sc->vs == l2sc->ua_num))
-		{
-			IF_ENQUEUE(&l2sc->i_queue, l2sc->ua_frame);
-			l2sc->ua_num = UA_EMPTY;
-		}
-		else
-		{
-			DBGL2(L2_ERROR, "i4b_invoke_retransmission", ("ERROR, l2sc->vs = %d, l2sc->ua_num = %d \n",l2sc->vs, l2sc->ua_num));
-		}
-
-/* XXXXXXXXXXXXXXXXX */
-			
-		i4b_i_frame_queued_up(l2sc);
-	}
-}
-
-/*---------------------------------------------------------------------------*
- *	routine ACKNOWLEDGE PENDING (Q.921 03/93 p 70)
- *---------------------------------------------------------------------------*/
-void
-i4b_acknowledge_pending(l2_softc_t *l2sc)
-{
-	if(l2sc->ack_pend)
-	{
-		l2sc->ack_pend = 0;
-		i4b_tx_rr_response(l2sc, F0);
-	}
-}
-
-/*---------------------------------------------------------------------------*
- *	i4b_print_frame - just print the hex contents of a frame
- *---------------------------------------------------------------------------*/
-void
-i4b_print_frame(int len, u_char *buf)
-{
-#ifdef DO_I4B_DEBUG
-	int i;
-
-	if (!(i4b_l2_debug & L2_ERROR))		/* XXXXXXXXXXXXXXXXXXXXX */
-		return;
-
-	for(i = 0; i < len; i++)
-		printf(" 0x%x", buf[i]);
-	printf("\n");
-#endif
-}
-
-/*---------------------------------------------------------------------------*
- *	i4b_print_l2var - print some l2softc vars
- *---------------------------------------------------------------------------*/
-void
-i4b_print_l2var(l2_softc_t *l2sc)
-{
-	DBGL2(L2_ERROR, "i4b_print_l2var", ("unit%d V(R)=%d, V(S)=%d, V(A)=%d,ACKP=%d,PBSY=%d,OBSY=%d\n",
-		l2sc->unit,
-		l2sc->vr,
-		l2sc->vs,
-		l2sc->va,
-		l2sc->ack_pend,
-		l2sc->peer_busy,
-		l2sc->own_busy));
-}
-
-/*---------------------------------------------------------------------------*
- *	got s or i frame, check if valid ack for last sent frame
- *---------------------------------------------------------------------------*/
-void
-i4b_rxd_ack(l2_softc_t *l2sc, int nr)
-{
-
-#ifdef NOTDEF
-	DBGL2(L2_ERROR, "i4b_rxd_ack", ("N(R)=%d, UA=%d, V(R)=%d, V(S)=%d, V(A)=%d\n",
-		nr,
-		l2sc->ua_num,
-		l2sc->vr,
-		l2sc->vs,
-		l2sc->va));
-#endif
-
-	if(l2sc->ua_num != UA_EMPTY)
-	{
-		int s;
-		
-		M128DEC(nr);
-
-		if(l2sc->ua_num != nr)
-			DBGL2(L2_ERROR, "i4b_rxd_ack", ("((N(R)-1)=%d) != (UA=%d) !!!\n", nr, l2sc->ua_num));
-			
-		s = SPLI4B();
-		
-		i4b_Dfreembuf(l2sc->ua_frame);
-		l2sc->ua_num = UA_EMPTY;
-		
-		splx(s);
-	}
-}
-
-/*---------------------------------------------------------------------------*
- *	if not already active, activate layer 1
- *---------------------------------------------------------------------------*/
-void
-i4b_l1_activate(l2_softc_t *l2sc)
-{
-	if(l2sc->ph_active == PH_INACTIVE)
-	{
-		l2sc->ph_active = PH_ACTIVEPEND;
-		PH_Act_Req(l2sc->unit);
-	}
-};
-
-/*---------------------------------------------------------------------------*
- *	check for v(a) <= n(r) <= v(s)
- *	nr = receive sequence frame counter, va = acknowledge sequence frame
- *	counter and vs = transmit sequence frame counter
- *---------------------------------------------------------------------------*/
-int
-i4b_l2_nr_ok(int nr, int va, int vs)
-{
-	if((va > nr) && ((nr != 0) || (va != 127)))
-	{
-		DBGL2(L2_ERROR, "i4b_l2_nr_ok", ("ERROR, va = %d, nr = %d, vs = %d [1]\n", va, nr, vs));
-		return 0;	/* fail */
-	}
-
-	if((nr > vs) && ((vs != 0) || (nr != 127)))
-	{
-		DBGL2(L2_ERROR, "i4b_l2_nr_ok", ("ERROR, va = %d, nr = %d, vs = %d [2]\n", va, nr, vs));
-		return 0;	/* fail */
-	}
-
-	return 1;		/* good */
-}
-	
-#endif /* NI4BQ921 > 0 */
-