patch-2.1.132 linux/include/net/irda/irlap_event.h

• Lines: 120
• Date: Thu Dec 17 09:01:03 1998
• Orig file: v2.1.131/linux/include/net/irda/irlap_event.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.131/linux/include/net/irda/irlap_event.h linux/include/net/irda/irlap_event.h
@@ -0,0 +1,119 @@
+/*********************************************************************
+ *                
+ * Filename:      irlap_event.h
+ * Version:       0.1
+ * Description:   
+ * Status:        Experimental.
+ * Author:        Dag Brattli <dagb@cs.uit.no>
+ * Created at:    Sat Aug 16 00:59:29 1997
+ * Modified at:   Mon Dec 14 13:58:27 1998
+ * Modified by:   Dag Brattli <dagb@cs.uit.no>
+ * 
+ *     Copyright (c) 1998 Dag Brattli <dagb@cs.uit.no>, All Rights Reserved.
+ *     
+ *     This program is free software; you can redistribute it and/or 
+ *     modify it under the terms of the GNU General Public License as 
+ *     published by the Free Software Foundation; either version 2 of 
+ *     the License, or (at your option) any later version.
+ *
+ *     Neither Dag Brattli nor University of Tromsų admit liability nor
+ *     provide warranty for any of this software. This material is 
+ *     provided "AS-IS" and at no charge.
+ *
+ ********************************************************************/
+
+#ifndef IRLAP_EVENT_H
+#define IRLAP_EVENT_H
+
+#include "irmod.h"
+
+struct irlap_cb;
+
+/* IrLAP States */
+typedef enum {
+	LAP_NDM,         /* Normal disconnected mode */
+	LAP_QUERY,
+	LAP_REPLY,
+	LAP_CONN,        /* Connect indication */
+	LAP_SETUP,       /* Setting up connection */
+	LAP_OFFLINE,     /* A really boring state */
+	LAP_XMIT_P,
+	LAP_PCLOSE,
+	LAP_NRM_P,       /* Normal response mode as primary */
+	LAP_RESET_WAIT,
+	LAP_RESET,
+	LAP_NRM_S,       /* Normal response mode as secondary */
+	LAP_XMIT_S,
+	LAP_SCLOSE,
+} IRLAP_STATE;
+
+/* IrLAP Events */
+typedef enum {
+	/* Services events */
+	DISCOVERY_REQUEST,
+	CONNECT_REQUEST,
+	CONNECT_RESPONSE,
+	DISCONNECT_REQUEST,
+	DATA_REQUEST,
+	RESET_REQUEST,
+
+	/* Send events */
+	SEND_I_CMD,
+
+	/* Receive events */
+	RECV_DISCOVERY_XID_CMD,
+	RECV_DISCOVERY_XID_RSP,
+	RECV_SNRM_CMD,
+	RECV_TEST_CMD,
+	RECV_UA_RSP,
+	RECV_DM_RSP,
+	RECV_I_CMD,
+	RECV_I_RSP,
+	RECV_UI_FRAME,
+	RECV_FRMR_RSP,
+	RECV_RR_CMD,
+	RECV_RR_RSP,
+	RECV_RNR_FRAME,
+	RECV_DISC_FRAME,
+
+	/* Timer events */
+	SLOT_TIMER_EXPIRED,
+	QUERY_TIMER_EXPIRED,
+	FINAL_TIMER_EXPIRED,
+	POLL_TIMER_EXPIRED,
+	DISCOVERY_TIMER_EXPIRED,
+	WD_TIMER_EXPIRED,
+	BACKOFF_TIMER_EXPIRED,
+} IRLAP_EVENT;
+
+/*
+ *  Various things used by the IrLAP state machine
+ */
+struct irlap_info {
+	__u8 caddr;   /* Connection address */
+	__u8 control; /* Frame type */
+        __u8 cmd;
+
+	__u32 saddr;
+	__u32 daddr;
+	
+	int pf;        /* Poll/final bit set */
+
+	__u8  nr;      /* Sequence number of next frame expected */
+	__u8  ns;      /* Sequence number of frame sent */
+
+	int  S;        /* Number of slots */
+	int  slot;     /* Random chosen slot */
+	int  s;        /* Current slot */
+
+	DISCOVERY *discovery; /* Discovery information */
+};
+
+extern char *irlap_state[];
+
+void irlap_do_event( struct irlap_cb *self, IRLAP_EVENT event, 
+		     struct sk_buff *skb, struct irlap_info *info);
+void irlap_next_state( struct irlap_cb *self, IRLAP_STATE state);
+void irlap_print_event( IRLAP_EVENT event);
+
+#endif