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+/*********************************************************************
+ *
+ * Filename: irmod.h
+ * Version: 0.3
+ * Description: IrDA module and utilities functions
+ * Status: Experimental.
+ * Author: Dag Brattli <dagb@cs.uit.no>
+ * Created at: Mon Dec 15 13:58:52 1997
+ * Modified at: Fri Jan 28 13:15:24 2000
+ * Modified by: Dag Brattli <dagb@cs.uit.no>
+ *
+ * Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved.
+ * Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
+ *
+ * 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 charg.
+ *
+ ********************************************************************/
+
+#ifndef IRMOD_H
+#define IRMOD_H
+
+/* Misc status information */
+typedef enum {
+ STATUS_OK,
+ STATUS_ABORTED,
+ STATUS_NO_ACTIVITY,
+ STATUS_NOISY,
+ STATUS_REMOTE,
+} LINK_STATUS;
+
+typedef enum {
+ LOCK_NO_CHANGE,
+ LOCK_LOCKED,
+ LOCK_UNLOCKED,
+} LOCK_STATUS;
+
+typedef enum { FLOW_STOP, FLOW_START } LOCAL_FLOW;
+
+/*
+ * IrLMP disconnect reasons. The order is very important, since they
+ * correspond to disconnect reasons sent in IrLMP disconnect frames, so
+ * please do not touch :-)
+ */
+typedef enum {
+ LM_USER_REQUEST = 1, /* User request */
+ LM_LAP_DISCONNECT, /* Unexpected IrLAP disconnect */
+ LM_CONNECT_FAILURE, /* Failed to establish IrLAP connection */
+ LM_LAP_RESET, /* IrLAP reset */
+ LM_INIT_DISCONNECT, /* Link Management initiated disconnect */
+ LM_LSAP_NOTCONN, /* Data delivered on unconnected LSAP */
+ LM_NON_RESP_CLIENT, /* Non responsive LM-MUX client */
+ LM_NO_AVAIL_CLIENT, /* No available LM-MUX client */
+ LM_CONN_HALF_OPEN, /* Connection is half open */
+ LM_BAD_SOURCE_ADDR, /* Illegal source address (i.e 0x00) */
+} LM_REASON;
+#define LM_UNKNOWN 0xff /* Unspecified disconnect reason */
+
+/* A few forward declarations (to make compiler happy) */
+struct qos_info; /* in <net/irda/qos.h> */
+
+/*
+ * Notify structure used between transport and link management layers
+ */
+typedef struct {
+ int (*data_indication)(void *priv, void *sap, struct sk_buff *skb);
+ int (*udata_indication)(void *priv, void *sap, struct sk_buff *skb);
+ void (*connect_confirm)(void *instance, void *sap,
+ struct qos_info *qos, __u32 max_sdu_size,
+ __u8 max_header_size, struct sk_buff *skb);
+ void (*connect_indication)(void *instance, void *sap,
+ struct qos_info *qos, __u32 max_sdu_size,
+ __u8 max_header_size, struct sk_buff *skb);
+ void (*disconnect_indication)(void *instance, void *sap,
+ LM_REASON reason, struct sk_buff *);
+ void (*flow_indication)(void *instance, void *sap, LOCAL_FLOW flow);
+ void (*status_indication)(void *instance,
+ LINK_STATUS link, LOCK_STATUS lock);
+ void *instance; /* Layer instance pointer */
+ char name[16]; /* Name of layer */
+} notify_t;
+
+#define NOTIFY_MAX_NAME 16
+
+/* Zero the notify structure */
+void irda_notify_init(notify_t *notify);
+
+/* Locking wrapper - Note the inverted logic on irda_lock().
+ * Those function basically return false if the lock is already in the
+ * position you want to set it. - Jean II */
+#define irda_lock(lock) (! test_and_set_bit(0, (void *) (lock)))
+#define irda_unlock(lock) (test_and_clear_bit(0, (void *) (lock)))
+
+#endif /* IRMOD_H */
+
+
+
+
+
+
+
+
+