1/********************************************************************* 2 * 3 * Filename: irmod.h 4 * Version: 0.3 5 * Description: IrDA module and utilities functions 6 * Status: Experimental. 7 * Author: Dag Brattli <dagb@cs.uit.no> 8 * Created at: Mon Dec 15 13:58:52 1997 9 * Modified at: Fri Jan 28 13:15:24 2000 10 * Modified by: Dag Brattli <dagb@cs.uit.no> 11 * 12 * Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved. 13 * Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com> 14 * 15 * This program is free software; you can redistribute it and/or 16 * modify it under the terms of the GNU General Public License as 17 * published by the Free Software Foundation; either version 2 of 18 * the License, or (at your option) any later version. 19 * 20 * Neither Dag Brattli nor University of Troms�� admit liability nor 21 * provide warranty for any of this software. This material is 22 * provided "AS-IS" and at no charg. 23 * 24 ********************************************************************/ 25 26#ifndef IRMOD_H 27#define IRMOD_H 28 29/* Misc status information */ 30typedef enum { 31 STATUS_OK, 32 STATUS_ABORTED, 33 STATUS_NO_ACTIVITY, 34 STATUS_NOISY, 35 STATUS_REMOTE, 36} LINK_STATUS; 37 38typedef enum { 39 LOCK_NO_CHANGE, 40 LOCK_LOCKED, 41 LOCK_UNLOCKED, 42} LOCK_STATUS; 43 44typedef enum { FLOW_STOP, FLOW_START } LOCAL_FLOW; 45 46/* 47 * IrLMP disconnect reasons. The order is very important, since they 48 * correspond to disconnect reasons sent in IrLMP disconnect frames, so 49 * please do not touch :-) 50 */ 51typedef enum { 52 LM_USER_REQUEST = 1, /* User request */ 53 LM_LAP_DISCONNECT, /* Unexpected IrLAP disconnect */ 54 LM_CONNECT_FAILURE, /* Failed to establish IrLAP connection */ 55 LM_LAP_RESET, /* IrLAP reset */ 56 LM_INIT_DISCONNECT, /* Link Management initiated disconnect */ 57 LM_LSAP_NOTCONN, /* Data delivered on unconnected LSAP */ 58 LM_NON_RESP_CLIENT, /* Non responsive LM-MUX client */ 59 LM_NO_AVAIL_CLIENT, /* No available LM-MUX client */ 60 LM_CONN_HALF_OPEN, /* Connection is half open */ 61 LM_BAD_SOURCE_ADDR, /* Illegal source address (i.e 0x00) */ 62} LM_REASON; 63#define LM_UNKNOWN 0xff /* Unspecified disconnect reason */ 64 65/* A few forward declarations (to make compiler happy) */ 66struct qos_info; /* in <net/irda/qos.h> */ 67 68/* 69 * Notify structure used between transport and link management layers 70 */ 71typedef struct { 72 int (*data_indication)(void *priv, void *sap, struct sk_buff *skb); 73 int (*udata_indication)(void *priv, void *sap, struct sk_buff *skb); 74 void (*connect_confirm)(void *instance, void *sap, 75 struct qos_info *qos, __u32 max_sdu_size, 76 __u8 max_header_size, struct sk_buff *skb); 77 void (*connect_indication)(void *instance, void *sap, 78 struct qos_info *qos, __u32 max_sdu_size, 79 __u8 max_header_size, struct sk_buff *skb); 80 void (*disconnect_indication)(void *instance, void *sap, 81 LM_REASON reason, struct sk_buff *); 82 void (*flow_indication)(void *instance, void *sap, LOCAL_FLOW flow); 83 void (*status_indication)(void *instance, 84 LINK_STATUS link, LOCK_STATUS lock); 85 void *instance; /* Layer instance pointer */ 86 char name[16]; /* Name of layer */ 87} notify_t; 88 89#define NOTIFY_MAX_NAME 16 90 91/* Zero the notify structure */ 92void irda_notify_init(notify_t *notify); 93 94/* Locking wrapper - Note the inverted logic on irda_lock(). 95 * Those function basically return false if the lock is already in the 96 * position you want to set it. - Jean II */ 97#define irda_lock(lock) (! test_and_set_bit(0, (void *) (lock))) 98#define irda_unlock(lock) (test_and_clear_bit(0, (void *) (lock))) 99 100#endif /* IRMOD_H */ 101