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Diffstat (limited to 'include/net/irda/irmod.h')
| -rw-r--r-- | include/net/irda/irmod.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/include/net/irda/irmod.h b/include/net/irda/irmod.h new file mode 100644 index 00000000..86f0dbb8 --- /dev/null +++ b/include/net/irda/irmod.h @@ -0,0 +1,109 @@ +/********************************************************************* + * + * 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 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 <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 */ + + + + + + + + + |