/********************************************************************* * * Filename: irmod.h * Version: 0.3 * Description: IrDA module and utilities functions * Status: Experimental. * Author: Dag Brattli * Created at: Mon Dec 15 13:58:52 1997 * Modified at: Fri Jan 28 13:15:24 2000 * Modified by: Dag Brattli * * Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved. * Copyright (c) 2000-2002 Jean Tourrilhes * * 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 Tromsø 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 */ /* * 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 */ 'left'>Lines