/*********************************************************************
- *
+ *
* Filename: ircomm_lmp.c
* Version: 1.0
* Description: Interface between IrCOMM and IrLMP
* Modified at: Sun Dec 12 13:44:17 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
* Sources: Previous IrLPT work by Thomas Davis
- *
+ *
* Copyright (c) 1999 Dag Brattli, All Rights Reserved.
* Copyright (c) 2000-2003 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
+ *
+ * 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.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
- *
+ *
********************************************************************/
-#include <linux/sched.h>
#include <linux/init.h>
#include <net/irda/irda.h>
/*
* Function ircomm_lmp_connect_request (self, userdata)
*
- *
+ *
*
*/
-static int ircomm_lmp_connect_request(struct ircomm_cb *self,
- struct sk_buff *userdata,
+static int ircomm_lmp_connect_request(struct ircomm_cb *self,
+ struct sk_buff *userdata,
struct ircomm_info *info)
{
int ret = 0;
skb_get(userdata);
ret = irlmp_connect_request(self->lsap, info->dlsap_sel,
- info->saddr, info->daddr, NULL, userdata);
+ info->saddr, info->daddr, NULL, userdata);
return ret;
-}
+}
/*
* Function ircomm_lmp_connect_response (self, skb)
*
- *
+ *
*
*/
static int ircomm_lmp_connect_response(struct ircomm_cb *self,
int ret;
IRDA_DEBUG(0, "%s()\n", __FUNCTION__ );
-
+
/* Any userdata supplied? */
if (userdata == NULL) {
- tx_skb = alloc_skb(64, GFP_ATOMIC);
+ tx_skb = alloc_skb(LMP_MAX_HEADER, GFP_ATOMIC);
if (!tx_skb)
return -ENOMEM;
/* Reserve space for MUX and LAP header */
skb_reserve(tx_skb, LMP_MAX_HEADER);
} else {
- /*
- * Check that the client has reserved enough space for
+ /*
+ * Check that the client has reserved enough space for
* headers
*/
IRDA_ASSERT(skb_headroom(userdata) >= LMP_MAX_HEADER,
return 0;
}
-static int ircomm_lmp_disconnect_request(struct ircomm_cb *self,
- struct sk_buff *userdata,
+static int ircomm_lmp_disconnect_request(struct ircomm_cb *self,
+ struct sk_buff *userdata,
struct ircomm_info *info)
{
- struct sk_buff *tx_skb;
+ struct sk_buff *tx_skb;
int ret;
IRDA_DEBUG(0, "%s()\n", __FUNCTION__ );
- if (!userdata) {
- tx_skb = alloc_skb(64, GFP_ATOMIC);
+ if (!userdata) {
+ tx_skb = alloc_skb(LMP_MAX_HEADER, GFP_ATOMIC);
if (!tx_skb)
return -ENOMEM;
-
+
/* Reserve space for MUX and LAP header */
- skb_reserve(tx_skb, LMP_MAX_HEADER);
+ skb_reserve(tx_skb, LMP_MAX_HEADER);
userdata = tx_skb;
} else {
/* Don't forget to refcount it - should be NULL anyway */
* Function ircomm_lmp_flow_control (skb)
*
* This function is called when a data frame we have sent to IrLAP has
- * been deallocated. We do this to make sure we don't flood IrLAP with
+ * been deallocated. We do this to make sure we don't flood IrLAP with
* frames, since we are not using the IrTTP flow control mechanism
*/
static void ircomm_lmp_flow_control(struct sk_buff *skb)
cb = (struct irda_skb_cb *) skb->cb;
IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
-
- line = cb->line;
+
+ line = cb->line;
self = (struct ircomm_cb *) hashbin_lock_find(ircomm, line, NULL);
- if (!self) {
+ if (!self) {
IRDA_DEBUG(2, "%s(), didn't find myself\n", __FUNCTION__ );
- return;
+ return;
}
- IRDA_ASSERT(self != NULL, return;);
+ IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);
self->pkt_count--;
- if ((self->pkt_count < 2) && (self->flow_status == FLOW_STOP)) {
- IRDA_DEBUG(2, "%s(), asking TTY to start again!\n", __FUNCTION__ );
- self->flow_status = FLOW_START;
- if (self->notify.flow_indication)
- self->notify.flow_indication(self->notify.instance,
+ if ((self->pkt_count < 2) && (self->flow_status == FLOW_STOP)) {
+ IRDA_DEBUG(2, "%s(), asking TTY to start again!\n", __FUNCTION__ );
+ self->flow_status = FLOW_START;
+ if (self->notify.flow_indication)
+ self->notify.flow_indication(self->notify.instance,
self, FLOW_START);
- }
+ }
}
-
+
/*
* Function ircomm_lmp_data_request (self, userdata)
*
*
*/
static int ircomm_lmp_data_request(struct ircomm_cb *self,
- struct sk_buff *skb,
+ struct sk_buff *skb,
int not_used)
{
struct irda_skb_cb *cb;
IRDA_ASSERT(skb != NULL, return -1;);
cb = (struct irda_skb_cb *) skb->cb;
-
- cb->line = self->line;
+
+ cb->line = self->line;
IRDA_DEBUG(4, "%s(), sending frame\n", __FUNCTION__ );
skb->destructor = ircomm_lmp_flow_control;
- if ((self->pkt_count++ > 7) && (self->flow_status == FLOW_START)) {
+ if ((self->pkt_count++ > 7) && (self->flow_status == FLOW_START)) {
IRDA_DEBUG(2, "%s(), asking TTY to slow down!\n", __FUNCTION__ );
- self->flow_status = FLOW_STOP;
- if (self->notify.flow_indication)
- self->notify.flow_indication(self->notify.instance,
- self, FLOW_STOP);
- }
+ self->flow_status = FLOW_STOP;
+ if (self->notify.flow_indication)
+ self->notify.flow_indication(self->notify.instance,
+ self, FLOW_STOP);
+ }
ret = irlmp_data_request(self->lsap, skb);
if (ret) {
IRDA_ERROR("%s(), failed\n", __FUNCTION__);
struct ircomm_cb *self = (struct ircomm_cb *) instance;
IRDA_DEBUG(4, "%s()\n", __FUNCTION__ );
-
+
IRDA_ASSERT(self != NULL, return -1;);
IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;);
IRDA_ASSERT(skb != NULL, return -1;);
-
+
ircomm_do_event(self, IRCOMM_LMP_DATA_INDICATION, skb, NULL);
/* Drop reference count - see ircomm_tty_data_indication(). */
}
/*
- * Function ircomm_lmp_connect_confirm (instance, sap, qos, max_sdu_size,
+ * Function ircomm_lmp_connect_confirm (instance, sap, qos, max_sdu_size,
* max_header_size, skb)
*
* Connection has been confirmed by peer device
*
*/
static void ircomm_lmp_connect_confirm(void *instance, void *sap,
- struct qos_info *qos,
- __u32 max_seg_size,
+ struct qos_info *qos,
+ __u32 max_seg_size,
__u8 max_header_size,
struct sk_buff *skb)
{
* Peer device has closed the connection, or the link went down for some
* other reason
*/
-static void ircomm_lmp_disconnect_indication(void *instance, void *sap,
+static void ircomm_lmp_disconnect_indication(void *instance, void *sap,
LM_REASON reason,
struct sk_buff *skb)
{
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