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109 lines
3.6 KiB
109 lines
3.6 KiB
/********************************************************************* |
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* |
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* Filename: irmod.h |
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* Version: 0.3 |
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* Description: IrDA module and utilities functions |
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* Status: Experimental. |
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* Author: Dag Brattli <[email protected]> |
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* Created at: Mon Dec 15 13:58:52 1997 |
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* Modified at: Fri Jan 28 13:15:24 2000 |
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* Modified by: Dag Brattli <[email protected]> |
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* |
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* Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved. |
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* Copyright (c) 2000-2002 Jean Tourrilhes <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* Neither Dag Brattli nor University of Tromsø admit liability nor |
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* provide warranty for any of this software. This material is |
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* provided "AS-IS" and at no charg. |
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* |
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********************************************************************/ |
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#ifndef IRMOD_H |
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#define IRMOD_H |
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/* Misc status information */ |
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typedef enum { |
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STATUS_OK, |
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STATUS_ABORTED, |
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STATUS_NO_ACTIVITY, |
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STATUS_NOISY, |
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STATUS_REMOTE, |
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} LINK_STATUS; |
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typedef enum { |
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LOCK_NO_CHANGE, |
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LOCK_LOCKED, |
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LOCK_UNLOCKED, |
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} LOCK_STATUS; |
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typedef enum { FLOW_STOP, FLOW_START } LOCAL_FLOW; |
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/* |
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* IrLMP disconnect reasons. The order is very important, since they |
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* correspond to disconnect reasons sent in IrLMP disconnect frames, so |
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* please do not touch :-) |
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*/ |
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typedef enum { |
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LM_USER_REQUEST = 1, /* User request */ |
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LM_LAP_DISCONNECT, /* Unexpected IrLAP disconnect */ |
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LM_CONNECT_FAILURE, /* Failed to establish IrLAP connection */ |
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LM_LAP_RESET, /* IrLAP reset */ |
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LM_INIT_DISCONNECT, /* Link Management initiated disconnect */ |
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LM_LSAP_NOTCONN, /* Data delivered on unconnected LSAP */ |
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LM_NON_RESP_CLIENT, /* Non responsive LM-MUX client */ |
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LM_NO_AVAIL_CLIENT, /* No available LM-MUX client */ |
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LM_CONN_HALF_OPEN, /* Connection is half open */ |
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LM_BAD_SOURCE_ADDR, /* Illegal source address (i.e 0x00) */ |
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} LM_REASON; |
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#define LM_UNKNOWN 0xff /* Unspecified disconnect reason */ |
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/* A few forward declarations (to make compiler happy) */ |
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struct qos_info; /* in <net/irda/qos.h> */ |
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/* |
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* Notify structure used between transport and link management layers |
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*/ |
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typedef struct { |
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int (*data_indication)(void *priv, void *sap, struct sk_buff *skb); |
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int (*udata_indication)(void *priv, void *sap, struct sk_buff *skb); |
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void (*connect_confirm)(void *instance, void *sap, |
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struct qos_info *qos, __u32 max_sdu_size, |
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__u8 max_header_size, struct sk_buff *skb); |
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void (*connect_indication)(void *instance, void *sap, |
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struct qos_info *qos, __u32 max_sdu_size, |
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__u8 max_header_size, struct sk_buff *skb); |
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void (*disconnect_indication)(void *instance, void *sap, |
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LM_REASON reason, struct sk_buff *); |
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void (*flow_indication)(void *instance, void *sap, LOCAL_FLOW flow); |
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void (*status_indication)(void *instance, |
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LINK_STATUS link, LOCK_STATUS lock); |
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void *instance; /* Layer instance pointer */ |
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char name[16]; /* Name of layer */ |
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} notify_t; |
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#define NOTIFY_MAX_NAME 16 |
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/* Zero the notify structure */ |
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void irda_notify_init(notify_t *notify); |
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/* Locking wrapper - Note the inverted logic on irda_lock(). |
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* Those function basically return false if the lock is already in the |
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* position you want to set it. - Jean II */ |
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#define irda_lock(lock) (! test_and_set_bit(0, (void *) (lock))) |
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#define irda_unlock(lock) (test_and_clear_bit(0, (void *) (lock))) |
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#endif /* IRMOD_H */ |
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