Release 4.11 net/irda/timer.c
/*********************************************************************
*
* Filename: timer.c
* Version:
* Description:
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Sat Aug 16 00:59:29 1997
* Modified at: Wed Dec 8 12:50:34 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1997, 1999 Dag Brattli <dagb@cs.uit.no>,
* 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 charge.
*
********************************************************************/
#include <linux/delay.h>
#include <net/irda/timer.h>
#include <net/irda/irda.h>
#include <net/irda/irda_device.h>
#include <net/irda/irlap.h>
#include <net/irda/irlmp.h>
extern int sysctl_slot_timeout;
static void irlap_slot_timer_expired(void* data);
static void irlap_query_timer_expired(void* data);
static void irlap_final_timer_expired(void* data);
static void irlap_wd_timer_expired(void* data);
static void irlap_backoff_timer_expired(void* data);
static void irlap_media_busy_expired(void* data);
void irlap_start_slot_timer(struct irlap_cb *self, int timeout)
{
irda_start_timer(&self->slot_timer, timeout, (void *) self,
irlap_slot_timer_expired);
}
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void irlap_start_query_timer(struct irlap_cb *self, int S, int s)
{
int timeout;
/* Calculate when the peer discovery should end. Normally, we
* get the end-of-discovery frame, so this is just in case
* we miss it.
* Basically, we multiply the number of remaining slots by our
* slot time, plus add some extra time to properly receive the last
* discovery packet (which is longer due to extra discovery info),
* to avoid messing with for incoming connections requests and
* to accommodate devices that perform discovery slower than us.
* Jean II */
timeout = msecs_to_jiffies(sysctl_slot_timeout) * (S - s)
+ XIDEXTRA_TIMEOUT + SMALLBUSY_TIMEOUT;
/* Set or re-set the timer. We reset the timer for each received
* discovery query, which allow us to automatically adjust to
* the speed of the peer discovery (faster or slower). Jean II */
irda_start_timer( &self->query_timer, timeout, (void *) self,
irlap_query_timer_expired);
}
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Total | 56 | 100.00% | 5 | 100.00% |
void irlap_start_final_timer(struct irlap_cb *self, int timeout)
{
irda_start_timer(&self->final_timer, timeout, (void *) self,
irlap_final_timer_expired);
}
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void irlap_start_wd_timer(struct irlap_cb *self, int timeout)
{
irda_start_timer(&self->wd_timer, timeout, (void *) self,
irlap_wd_timer_expired);
}
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void irlap_start_backoff_timer(struct irlap_cb *self, int timeout)
{
irda_start_timer(&self->backoff_timer, timeout, (void *) self,
irlap_backoff_timer_expired);
}
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void irlap_start_mbusy_timer(struct irlap_cb *self, int timeout)
{
irda_start_timer(&self->media_busy_timer, timeout,
(void *) self, irlap_media_busy_expired);
}
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void irlap_stop_mbusy_timer(struct irlap_cb *self)
{
/* If timer is activated, kill it! */
del_timer(&self->media_busy_timer);
/* If we are in NDM, there is a bunch of events in LAP that
* that be pending due to the media_busy condition, such as
* CONNECT_REQUEST and SEND_UI_FRAME. If we don't generate
* an event, they will wait forever...
* Jean II */
if (self->state == LAP_NDM)
irlap_do_event(self, MEDIA_BUSY_TIMER_EXPIRED, NULL, NULL);
}
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void irlmp_start_watchdog_timer(struct lsap_cb *self, int timeout)
{
irda_start_timer(&self->watchdog_timer, timeout, (void *) self,
irlmp_watchdog_timer_expired);
}
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Total | 31 | 100.00% | 2 | 100.00% |
void irlmp_start_discovery_timer(struct irlmp_cb *self, int timeout)
{
irda_start_timer(&self->discovery_timer, timeout, (void *) self,
irlmp_discovery_timer_expired);
}
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void irlmp_start_idle_timer(struct lap_cb *self, int timeout)
{
irda_start_timer(&self->idle_timer, timeout, (void *) self,
irlmp_idle_timer_expired);
}
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void irlmp_stop_idle_timer(struct lap_cb *self)
{
/* If timer is activated, kill it! */
del_timer(&self->idle_timer);
}
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/*
* Function irlap_slot_timer_expired (data)
*
* IrLAP slot timer has expired
*
*/
static void irlap_slot_timer_expired(void *data)
{
struct irlap_cb *self = (struct irlap_cb *) data;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == LAP_MAGIC, return;);
irlap_do_event(self, SLOT_TIMER_EXPIRED, NULL, NULL);
}
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/*
* Function irlap_query_timer_expired (data)
*
* IrLAP query timer has expired
*
*/
static void irlap_query_timer_expired(void *data)
{
struct irlap_cb *self = (struct irlap_cb *) data;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == LAP_MAGIC, return;);
irlap_do_event(self, QUERY_TIMER_EXPIRED, NULL, NULL);
}
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Total | 47 | 100.00% | 3 | 100.00% |
/*
* Function irda_final_timer_expired (data)
*
*
*
*/
static void irlap_final_timer_expired(void *data)
{
struct irlap_cb *self = (struct irlap_cb *) data;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == LAP_MAGIC, return;);
irlap_do_event(self, FINAL_TIMER_EXPIRED, NULL, NULL);
}
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Total | 47 | 100.00% | 3 | 100.00% |
/*
* Function irda_wd_timer_expired (data)
*
*
*
*/
static void irlap_wd_timer_expired(void *data)
{
struct irlap_cb *self = (struct irlap_cb *) data;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == LAP_MAGIC, return;);
irlap_do_event(self, WD_TIMER_EXPIRED, NULL, NULL);
}
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Total | 47 | 100.00% | 3 | 100.00% |
/*
* Function irda_backoff_timer_expired (data)
*
*
*
*/
static void irlap_backoff_timer_expired(void *data)
{
struct irlap_cb *self = (struct irlap_cb *) data;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == LAP_MAGIC, return;);
irlap_do_event(self, BACKOFF_TIMER_EXPIRED, NULL, NULL);
}
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Total | 47 | 100.00% | 3 | 100.00% |
/*
* Function irtty_media_busy_expired (data)
*
*
*/
static void irlap_media_busy_expired(void *data)
{
struct irlap_cb *self = (struct irlap_cb *) data;
IRDA_ASSERT(self != NULL, return;);
irda_device_set_media_busy(self->netdev, FALSE);
/* Note : the LAP event will be send in irlap_stop_mbusy_timer(),
* to catch other cases where the flag is cleared (for example
* after a discovery) - Jean II */
}
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Marcin Garski | 1 | 0.14% | 1 | 6.25% |
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Roel Kluin | 1 | 0.14% | 1 | 6.25% |
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