update to i4b version 0.95.04

1 files changed, 248 insertions, 0 deletions

diff --git a/sys/i4b/layer1/ifpnp/i4b_ifpnp_l1.c b/sys/i4b/layer1/ifpnp/i4b_ifpnp_l1.c
new file mode 100644
index 0000000..3a90224
--- /dev/null
+++ b/sys/i4b/layer1/ifpnp/i4b_ifpnp_l1.c
@@ -0,0 +1,248 @@
+/*
+ * Copyright (c) 1997, 2000 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_ifpnp_l1.c - AVM Fritz PnP layer 1 handler
+ *	----------------------------------------------
+ *
+ *	$Id: i4b_ifpnp_l1.c,v 1.4 2000/06/02 16:14:36 hm Exp $ 
+ *	$Ust: src/i4b/layer1-nb/ifpnp/i4b_ifpnp_l1.c,v 1.4 2000/04/18 08:03:05 ust Exp $ 
+ *
+ * $FreeBSD$
+ *
+ *      last edit-date: [Fri Jun  2 14:55:49 2000]
+ *
+ *---------------------------------------------------------------------------*/
+
+#include "ifpnp.h"
+
+#if (NIFPNP > 0)
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+
+#include <machine/stdarg.h>
+#include <machine/clock.h>
+
+#include <net/if.h>
+
+#include <machine/i4b_debug.h>
+#include <machine/i4b_ioctl.h>
+#include <machine/i4b_trace.h>
+
+#include <i4b/layer1/isic/i4b_isic.h>
+#include <i4b/layer1/isic/i4b_isac.h>
+#include <i4b/layer1/isic/i4b_hscx.h>
+
+#include <i4b/layer1/ifpnp/i4b_ifpnp_ext.h>
+
+#include <i4b/layer1/i4b_l1.h>
+
+#include <i4b/include/i4b_mbuf.h>
+#include <i4b/include/i4b_global.h>
+
+/*---------------------------------------------------------------------------*
+ *
+ *	L2 -> L1: PH-DATA-REQUEST
+ *	=========================
+ *
+ *	parms:
+ *		unit		physical interface unit number
+ *		m		mbuf containing L2 frame to be sent out
+ *		freeflag	MBUF_FREE: free mbuf here after having sent
+ *						it out
+ *				MBUF_DONTFREE: mbuf is freed by Layer 2
+ *	returns:
+ *		==0	fail, nothing sent out
+ *		!=0	ok, frame sent out
+ *
+ *---------------------------------------------------------------------------*/
+int
+ifpnp_ph_data_req(int unit, struct mbuf *m, int freeflag)
+{
+	u_char cmd;
+	int s;
+	struct l1_softc *sc = ifpnp_scp[unit];
+
+#ifdef NOTDEF
+	NDBGL1(L1_PRIM, "PH-DATA-REQ, unit %d, freeflag=%d", unit, freeflag);
+#endif
+
+	if(m == NULL)			/* failsafe */
+		return (0);
+
+	s = SPLI4B();
+
+	if(sc->sc_I430state == ST_F3)	/* layer 1 not running ? */
+	{
+		NDBGL1(L1_I_ERR, "still in state F3!");
+		ifpnp_ph_activate_req(unit);
+	}
+
+	if(sc->sc_state & ISAC_TX_ACTIVE)
+	{
+		if(sc->sc_obuf2 == NULL)
+		{
+			sc->sc_obuf2 = m;		/* save mbuf ptr */
+
+			if(freeflag)
+				sc->sc_freeflag2 = 1;	/* IRQ must mfree */
+			else
+				sc->sc_freeflag2 = 0;	/* IRQ must not mfree */
+
+			NDBGL1(L1_I_MSG, "using 2nd ISAC TX buffer, state = %s", ifpnp_printstate(sc));
+
+			if(sc->sc_trace & TRACE_D_TX)
+			{
+				i4b_trace_hdr_t hdr;
+				hdr.unit = L0IFPNPUNIT(unit);
+				hdr.type = TRC_CH_D;
+				hdr.dir = FROM_TE;
+				hdr.count = ++sc->sc_trace_dcount;
+				MICROTIME(hdr.time);
+				i4b_l1_trace_ind(&hdr, m->m_len, m->m_data);
+			}
+			splx(s);
+			return(1);
+		}
+
+		NDBGL1(L1_I_ERR, "No Space in TX FIFO, state = %s", ifpnp_printstate(sc));
+	
+		if(freeflag == MBUF_FREE)
+			i4b_Dfreembuf(m);			
+	
+		splx(s);
+		return (0);
+	}
+
+	if(sc->sc_trace & TRACE_D_TX)
+	{
+		i4b_trace_hdr_t hdr;
+		hdr.unit = L0IFPNPUNIT(unit);
+		hdr.type = TRC_CH_D;
+		hdr.dir = FROM_TE;
+		hdr.count = ++sc->sc_trace_dcount;
+		MICROTIME(hdr.time);
+		i4b_l1_trace_ind(&hdr, m->m_len, m->m_data);
+	}
+	
+	sc->sc_state |= ISAC_TX_ACTIVE;	/* set transmitter busy flag */
+
+	NDBGL1(L1_I_MSG, "ISAC_TX_ACTIVE set");
+
+	sc->sc_freeflag = 0;		/* IRQ must NOT mfree */
+	
+	ISAC_WRFIFO(m->m_data, min(m->m_len, ISAC_FIFO_LEN)); /* output to TX fifo */
+
+	if(m->m_len > ISAC_FIFO_LEN)	/* message > 32 bytes ? */
+	{
+		sc->sc_obuf = m;	/* save mbuf ptr */
+		sc->sc_op = m->m_data + ISAC_FIFO_LEN; 	/* ptr for irq hdl */
+		sc->sc_ol = m->m_len - ISAC_FIFO_LEN;	/* length for irq hdl */
+
+		if(freeflag)
+			sc->sc_freeflag = 1;	/* IRQ must mfree */
+		
+		cmd = ISAC_CMDR_XTF;
+	}
+	else
+	{
+		sc->sc_obuf = NULL;
+		sc->sc_op = NULL;
+		sc->sc_ol = 0;
+
+		if(freeflag)
+			i4b_Dfreembuf(m);
+
+		cmd = ISAC_CMDR_XTF | ISAC_CMDR_XME;
+  	}
+
+	ISAC_WRITE(I_CMDR, cmd);
+	ISACCMDRWRDELAY();
+
+	splx(s);
+	
+	return(1);
+}
+
+/*---------------------------------------------------------------------------*
+ *
+ *	L2 -> L1: PH-ACTIVATE-REQUEST
+ *	=============================
+ *
+ *	parms:
+ *		unit	physical interface unit number
+ *
+ *	returns:
+ *		==0	
+ *		!=0	
+ *
+ *---------------------------------------------------------------------------*/
+int
+ifpnp_ph_activate_req(int unit)
+{
+	struct l1_softc *sc = ifpnp_scp[unit];
+	NDBGL1(L1_PRIM, "PH-ACTIVATE-REQ, unit %d\n", unit);
+	ifpnp_next_state(sc, EV_PHAR);
+	return(0);
+}
+
+/*---------------------------------------------------------------------------*
+ *	command from the upper layers
+ *---------------------------------------------------------------------------*/
+int
+ifpnp_mph_command_req(int unit, int command, void *parm)
+{
+	struct l1_softc *sc = ifpnp_scp[unit];
+
+	switch(command)
+	{
+		case CMR_DOPEN:		/* daemon running */
+			NDBGL1(L1_PRIM, "unit %d, command = CMR_DOPEN", unit);
+			sc->sc_enabled = 1;			
+			break;
+			
+		case CMR_DCLOSE:	/* daemon not running */
+			NDBGL1(L1_PRIM, "unit %d, command = CMR_DCLOSE", unit);
+			sc->sc_enabled = 0;
+			break;
+
+		case CMR_SETTRACE:
+			NDBGL1(L1_PRIM, "unit %d, command = CMR_SETTRACE, parm = %d", unit, (unsigned int)parm);
+			sc->sc_trace = (unsigned int)parm;
+			break;
+		
+		default:
+			NDBGL1(L1_ERROR, "ERROR, unknown command = %d, unit = %d, parm = %d", command, unit, (unsigned int)parm);
+			break;
+	}
+
+	return(0);
+}
+
+#endif /* NIFPNP > 0 */