[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / net / irda / ircomm / ircomm_ttp.c

/*********************************************************************
 *
 * Filename:      ircomm_ttp.c
 * Version:       1.0
 * Description:   Interface between IrCOMM and IrTTP
 * Status:        Stable
 * Author:        Dag Brattli <dagb@cs.uit.no>
 * Created at:    Sun Jun  6 20:48:27 1999
 * Modified at:   Mon Dec 13 11:35:13 1999
 * Modified by:   Dag Brattli <dagb@cs.uit.no>
 *
 *     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
 *     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,
 *     MA 02111-1307 USA
 *
 ********************************************************************/

#include <linux/init.h>

#include <net/irda/irda.h>
#include <net/irda/irlmp.h>
#include <net/irda/iriap.h>
#include <net/irda/irttp.h>

#include <net/irda/ircomm_event.h>
#include <net/irda/ircomm_ttp.h>

static int ircomm_ttp_data_indication(void *instance, void *sap,
				      struct sk_buff *skb);
static void ircomm_ttp_connect_confirm(void *instance, void *sap,
				       struct qos_info *qos,
				       __u32 max_sdu_size,
				       __u8 max_header_size,
				       struct sk_buff *skb);
static void ircomm_ttp_connect_indication(void *instance, void *sap,
					  struct qos_info *qos,
					  __u32 max_sdu_size,
					  __u8 max_header_size,
					  struct sk_buff *skb);
static void ircomm_ttp_flow_indication(void *instance, void *sap,
				       LOCAL_FLOW cmd);
static void ircomm_ttp_disconnect_indication(void *instance, void *sap,
					     LM_REASON reason,
					     struct sk_buff *skb);
static int ircomm_ttp_data_request(struct ircomm_cb *self,
				   struct sk_buff *skb,
				   int clen);
static int ircomm_ttp_connect_request(struct ircomm_cb *self,
				      struct sk_buff *userdata,
				      struct ircomm_info *info);
static int ircomm_ttp_connect_response(struct ircomm_cb *self,
				       struct sk_buff *userdata);
static int ircomm_ttp_disconnect_request(struct ircomm_cb *self,
					 struct sk_buff *userdata,
					 struct ircomm_info *info);

/*
 * Function ircomm_open_tsap (self)
 *
 *
 *
 */
int ircomm_open_tsap(struct ircomm_cb *self)
{
	notify_t notify;

	IRDA_DEBUG(4, "%s()\n", __func__ );

	/* Register callbacks */
	irda_notify_init(&notify);
	notify.data_indication       = ircomm_ttp_data_indication;
	notify.connect_confirm       = ircomm_ttp_connect_confirm;
	notify.connect_indication    = ircomm_ttp_connect_indication;
	notify.flow_indication       = ircomm_ttp_flow_indication;
	notify.disconnect_indication = ircomm_ttp_disconnect_indication;
	notify.instance = self;
	strlcpy(notify.name, "IrCOMM", sizeof(notify.name));

	self->tsap = irttp_open_tsap(LSAP_ANY, DEFAULT_INITIAL_CREDIT,
				     &notify);
	if (!self->tsap) {
		IRDA_DEBUG(0, "%sfailed to allocate tsap\n", __func__ );
		return -1;
	}
	self->slsap_sel = self->tsap->stsap_sel;

	/*
	 *  Initialize the call-table for issuing commands
	 */
	self->issue.data_request       = ircomm_ttp_data_request;
	self->issue.connect_request    = ircomm_ttp_connect_request;
	self->issue.connect_response   = ircomm_ttp_connect_response;
	self->issue.disconnect_request = ircomm_ttp_disconnect_request;

	return 0;
}

/*
 * Function ircomm_ttp_connect_request (self, userdata)
 *
 *
 *
 */
static int ircomm_ttp_connect_request(struct ircomm_cb *self,
				      struct sk_buff *userdata,
				      struct ircomm_info *info)
{
	int ret = 0;

	IRDA_DEBUG(4, "%s()\n", __func__ );

	/* Don't forget to refcount it - should be NULL anyway */
	if(userdata)
		skb_get(userdata);

	ret = irttp_connect_request(self->tsap, info->dlsap_sel,
				    info->saddr, info->daddr, NULL,
				    TTP_SAR_DISABLE, userdata);

	return ret;
}

/*
 * Function ircomm_ttp_connect_response (self, skb)
 *
 *
 *
 */
static int ircomm_ttp_connect_response(struct ircomm_cb *self,
				       struct sk_buff *userdata)
{
	int ret;

	IRDA_DEBUG(4, "%s()\n", __func__ );

	/* Don't forget to refcount it - should be NULL anyway */
	if(userdata)
		skb_get(userdata);

	ret = irttp_connect_response(self->tsap, TTP_SAR_DISABLE, userdata);

	return ret;
}

/*
 * Function ircomm_ttp_data_request (self, userdata)
 *
 *    Send IrCOMM data to IrTTP layer. Currently we do not try to combine
 *    control data with pure data, so they will be sent as separate frames.
 *    Should not be a big problem though, since control frames are rare. But
 *    some of them are sent after connection establishment, so this can
 *    increase the latency a bit.
 */
static int ircomm_ttp_data_request(struct ircomm_cb *self,
				   struct sk_buff *skb,
				   int clen)
{
	int ret;

	IRDA_ASSERT(skb != NULL, return -1;);

	IRDA_DEBUG(2, "%s(), clen=%d\n", __func__ , clen);

	/*
	 * Insert clen field, currently we either send data only, or control
	 * only frames, to make things easier and avoid queueing
	 */
	IRDA_ASSERT(skb_headroom(skb) >= IRCOMM_HEADER_SIZE, return -1;);

	/* Don't forget to refcount it - see ircomm_tty_do_softint() */
	skb_get(skb);

	skb_push(skb, IRCOMM_HEADER_SIZE);

	skb->data[0] = clen;

	ret = irttp_data_request(self->tsap, skb);
	if (ret) {
		IRDA_ERROR("%s(), failed\n", __func__);
		/* irttp_data_request already free the packet */
	}

	return ret;
}

/*
 * Function ircomm_ttp_data_indication (instance, sap, skb)
 *
 *    Incoming data
 *
 */
static int ircomm_ttp_data_indication(void *instance, void *sap,
				      struct sk_buff *skb)
{
	struct ircomm_cb *self = (struct ircomm_cb *) instance;

	IRDA_DEBUG(4, "%s()\n", __func__ );

	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_TTP_DATA_INDICATION, skb, NULL);

	/* Drop reference count - see ircomm_tty_data_indication(). */
	dev_kfree_skb(skb);

	return 0;
}

static void ircomm_ttp_connect_confirm(void *instance, void *sap,
				       struct qos_info *qos,
				       __u32 max_sdu_size,
				       __u8 max_header_size,
				       struct sk_buff *skb)
{
	struct ircomm_cb *self = (struct ircomm_cb *) instance;
	struct ircomm_info info;

	IRDA_DEBUG(4, "%s()\n", __func__ );

	IRDA_ASSERT(self != NULL, return;);
	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);
	IRDA_ASSERT(skb != NULL, return;);
	IRDA_ASSERT(qos != NULL, goto out;);

	if (max_sdu_size != TTP_SAR_DISABLE) {
		IRDA_ERROR("%s(), SAR not allowed for IrCOMM!\n",
			   __func__);
		goto out;
	}

	info.max_data_size = irttp_get_max_seg_size(self->tsap)
		- IRCOMM_HEADER_SIZE;
	info.max_header_size = max_header_size + IRCOMM_HEADER_SIZE;
	info.qos = qos;

	ircomm_do_event(self, IRCOMM_TTP_CONNECT_CONFIRM, skb, &info);

out:
	/* Drop reference count - see ircomm_tty_connect_confirm(). */
	dev_kfree_skb(skb);
}

/*
 * Function ircomm_ttp_connect_indication (instance, sap, qos, max_sdu_size,
 *                                         max_header_size, skb)
 *
 *
 *
 */
static void ircomm_ttp_connect_indication(void *instance, void *sap,
					  struct qos_info *qos,
					  __u32 max_sdu_size,
					  __u8 max_header_size,
					  struct sk_buff *skb)
{
	struct ircomm_cb *self = (struct ircomm_cb *)instance;
	struct ircomm_info info;

	IRDA_DEBUG(4, "%s()\n", __func__ );

	IRDA_ASSERT(self != NULL, return;);
	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);
	IRDA_ASSERT(skb != NULL, return;);
	IRDA_ASSERT(qos != NULL, goto out;);

	if (max_sdu_size != TTP_SAR_DISABLE) {
		IRDA_ERROR("%s(), SAR not allowed for IrCOMM!\n",
			   __func__);
		goto out;
	}

	info.max_data_size = irttp_get_max_seg_size(self->tsap)
		- IRCOMM_HEADER_SIZE;
	info.max_header_size = max_header_size + IRCOMM_HEADER_SIZE;
	info.qos = qos;

	ircomm_do_event(self, IRCOMM_TTP_CONNECT_INDICATION, skb, &info);

out:
	/* Drop reference count - see ircomm_tty_connect_indication(). */
	dev_kfree_skb(skb);
}

/*
 * Function ircomm_ttp_disconnect_request (self, userdata, info)
 *
 *
 *
 */
static int ircomm_ttp_disconnect_request(struct ircomm_cb *self,
					 struct sk_buff *userdata,
					 struct ircomm_info *info)
{
	int ret;

	/* Don't forget to refcount it - should be NULL anyway */
	if(userdata)
		skb_get(userdata);

	ret = irttp_disconnect_request(self->tsap, userdata, P_NORMAL);

	return ret;
}

/*
 * Function ircomm_ttp_disconnect_indication (instance, sap, reason, skb)
 *
 *
 *
 */
static void ircomm_ttp_disconnect_indication(void *instance, void *sap,
					     LM_REASON reason,
					     struct sk_buff *skb)
{
	struct ircomm_cb *self = (struct ircomm_cb *) instance;
	struct ircomm_info info;

	IRDA_DEBUG(2, "%s()\n", __func__ );

	IRDA_ASSERT(self != NULL, return;);
	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);

	info.reason = reason;

	ircomm_do_event(self, IRCOMM_TTP_DISCONNECT_INDICATION, skb, &info);

	/* Drop reference count - see ircomm_tty_disconnect_indication(). */
	if(skb)
		dev_kfree_skb(skb);
}

/*
 * Function ircomm_ttp_flow_indication (instance, sap, cmd)
 *
 *    Layer below is telling us to start or stop the flow of data
 *
 */
static void ircomm_ttp_flow_indication(void *instance, void *sap,
				       LOCAL_FLOW cmd)
{
	struct ircomm_cb *self = (struct ircomm_cb *) instance;

	IRDA_DEBUG(4, "%s()\n", __func__ );

	IRDA_ASSERT(self != NULL, return;);
	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);

	if (self->notify.flow_indication)
		self->notify.flow_indication(self->notify.instance, self, cmd);
}
Commit	Line	Data
1da177e4	1	/*********************************************************************
6819bc2e	2	*
1da177e4 LT	3	* Filename: ircomm_ttp.c
	4	* Version: 1.0
	5	* Description: Interface between IrCOMM and IrTTP
	6	* Status: Stable
	7	* Author: Dag Brattli <dagb@cs.uit.no>
	8	* Created at: Sun Jun 6 20:48:27 1999
	9	* Modified at: Mon Dec 13 11:35:13 1999
	10	* Modified by: Dag Brattli <dagb@cs.uit.no>
6819bc2e	11	*
1da177e4 LT	12	* Copyright (c) 1999 Dag Brattli, All Rights Reserved.
1da177e4 LT	13	* Copyright (c) 2000-2003 Jean Tourrilhes <jt@hpl.hp.com>
6819bc2e YH	14	*
	15	* This program is free software; you can redistribute it and/or
	16	* modify it under the terms of the GNU General Public License as
	17	* published by the Free Software Foundation; either version 2 of
1da177e4	18	* the License, or (at your option) any later version.
6819bc2e	19	*
1da177e4 LT	20	* This program is distributed in the hope that it will be useful,
	21	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	22	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	23	* GNU General Public License for more details.
6819bc2e YH	24	*
	25	* You should have received a copy of the GNU General Public License
	26	* along with this program; if not, write to the Free Software
	27	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
1da177e4	28	* MA 02111-1307 USA
6819bc2e	29	*
1da177e4 LT	30	********************************************************************/
1da177e4 LT	31
1da177e4 LT	32	#include <linux/init.h>
	33
	34	#include <net/irda/irda.h>
	35	#include <net/irda/irlmp.h>
	36	#include <net/irda/iriap.h>
	37	#include <net/irda/irttp.h>
	38
	39	#include <net/irda/ircomm_event.h>
	40	#include <net/irda/ircomm_ttp.h>
	41
	42	static int ircomm_ttp_data_indication(void instance, void sap,
	43	struct sk_buff *skb);
	44	static void ircomm_ttp_connect_confirm(void instance, void sap,
6819bc2e YH	45	struct qos_info *qos,
6819bc2e YH	46	__u32 max_sdu_size,
1da177e4 LT	47	__u8 max_header_size,
	48	struct sk_buff *skb);
	49	static void ircomm_ttp_connect_indication(void instance, void sap,
	50	struct qos_info *qos,
	51	__u32 max_sdu_size,
	52	__u8 max_header_size,
	53	struct sk_buff *skb);
	54	static void ircomm_ttp_flow_indication(void instance, void sap,
	55	LOCAL_FLOW cmd);
6819bc2e	56	static void ircomm_ttp_disconnect_indication(void instance, void sap,
1da177e4 LT	57	LM_REASON reason,
	58	struct sk_buff *skb);
	59	static int ircomm_ttp_data_request(struct ircomm_cb *self,
6819bc2e	60	struct sk_buff *skb,
1da177e4	61	int clen);
6819bc2e YH	62	static int ircomm_ttp_connect_request(struct ircomm_cb *self,
6819bc2e YH	63	struct sk_buff *userdata,
1da177e4 LT	64	struct ircomm_info *info);
	65	static int ircomm_ttp_connect_response(struct ircomm_cb *self,
	66	struct sk_buff *userdata);
6819bc2e YH	67	static int ircomm_ttp_disconnect_request(struct ircomm_cb *self,
6819bc2e YH	68	struct sk_buff *userdata,
1da177e4 LT	69	struct ircomm_info *info);
	70
	71	/*
	72	* Function ircomm_open_tsap (self)
	73	*
6819bc2e	74	*
1da177e4 LT	75	*
	76	*/
	77	int ircomm_open_tsap(struct ircomm_cb *self)
	78	{
	79	notify_t notify;
	80
0dc47877	81	IRDA_DEBUG(4, "%s()\n", __func__ );
1da177e4 LT	82
	83	/* Register callbacks */
	84	irda_notify_init(&notify);
	85	notify.data_indication = ircomm_ttp_data_indication;
	86	notify.connect_confirm = ircomm_ttp_connect_confirm;
	87	notify.connect_indication = ircomm_ttp_connect_indication;
	88	notify.flow_indication = ircomm_ttp_flow_indication;
	89	notify.disconnect_indication = ircomm_ttp_disconnect_indication;
	90	notify.instance = self;
	91	strlcpy(notify.name, "IrCOMM", sizeof(notify.name));
	92
	93	self->tsap = irttp_open_tsap(LSAP_ANY, DEFAULT_INITIAL_CREDIT,
	94	&notify);
	95	if (!self->tsap) {
0dc47877	96	IRDA_DEBUG(0, "%sfailed to allocate tsap\n", __func__ );
1da177e4 LT	97	return -1;
	98	}
	99	self->slsap_sel = self->tsap->stsap_sel;
	100
	101	/*
	102	* Initialize the call-table for issuing commands
	103	*/
	104	self->issue.data_request = ircomm_ttp_data_request;
	105	self->issue.connect_request = ircomm_ttp_connect_request;
	106	self->issue.connect_response = ircomm_ttp_connect_response;
	107	self->issue.disconnect_request = ircomm_ttp_disconnect_request;
	108
	109	return 0;
	110	}
	111
	112	/*
	113	* Function ircomm_ttp_connect_request (self, userdata)
	114	*
6819bc2e	115	*
1da177e4 LT	116	*
1da177e4 LT	117	*/
6819bc2e YH	118	static int ircomm_ttp_connect_request(struct ircomm_cb *self,
6819bc2e YH	119	struct sk_buff *userdata,
1da177e4 LT	120	struct ircomm_info *info)
	121	{
	122	int ret = 0;
	123
0dc47877	124	IRDA_DEBUG(4, "%s()\n", __func__ );
1da177e4 LT	125
	126	/* Don't forget to refcount it - should be NULL anyway */
	127	if(userdata)
	128	skb_get(userdata);
	129
	130	ret = irttp_connect_request(self->tsap, info->dlsap_sel,
6819bc2e YH	131	info->saddr, info->daddr, NULL,
6819bc2e YH	132	TTP_SAR_DISABLE, userdata);
1da177e4 LT	133
1da177e4 LT	134	return ret;
6819bc2e	135	}
1da177e4 LT	136
	137	/*
	138	* Function ircomm_ttp_connect_response (self, skb)
	139	*
6819bc2e	140	*
1da177e4 LT	141	*
	142	*/
	143	static int ircomm_ttp_connect_response(struct ircomm_cb *self,
	144	struct sk_buff *userdata)
	145	{
	146	int ret;
	147
0dc47877	148	IRDA_DEBUG(4, "%s()\n", __func__ );
6819bc2e	149
1da177e4 LT	150	/* Don't forget to refcount it - should be NULL anyway */
	151	if(userdata)
	152	skb_get(userdata);
	153
	154	ret = irttp_connect_response(self->tsap, TTP_SAR_DISABLE, userdata);
	155
	156	return ret;
	157	}
	158
	159	/*
	160	* Function ircomm_ttp_data_request (self, userdata)
	161	*
6819bc2e YH	162	* Send IrCOMM data to IrTTP layer. Currently we do not try to combine
6819bc2e YH	163	* control data with pure data, so they will be sent as separate frames.
1da177e4	164	* Should not be a big problem though, since control frames are rare. But
6819bc2e	165	* some of them are sent after connection establishment, so this can
1da177e4 LT	166	* increase the latency a bit.
	167	*/
	168	static int ircomm_ttp_data_request(struct ircomm_cb *self,
6819bc2e	169	struct sk_buff *skb,
1da177e4 LT	170	int clen)
	171	{
	172	int ret;
	173
	174	IRDA_ASSERT(skb != NULL, return -1;);
	175
0dc47877	176	IRDA_DEBUG(2, "%s(), clen=%d\n", __func__ , clen);
1da177e4	177
6819bc2e	178	/*
1da177e4 LT	179	* Insert clen field, currently we either send data only, or control
	180	* only frames, to make things easier and avoid queueing
	181	*/
	182	IRDA_ASSERT(skb_headroom(skb) >= IRCOMM_HEADER_SIZE, return -1;);
	183
	184	/* Don't forget to refcount it - see ircomm_tty_do_softint() */
	185	skb_get(skb);
	186
	187	skb_push(skb, IRCOMM_HEADER_SIZE);
	188
	189	skb->data[0] = clen;
	190
	191	ret = irttp_data_request(self->tsap, skb);
	192	if (ret) {
0dc47877	193	IRDA_ERROR("%s(), failed\n", __func__);
1da177e4 LT	194	/* irttp_data_request already free the packet */
	195	}
	196
	197	return ret;
	198	}
	199
	200	/*
	201	* Function ircomm_ttp_data_indication (instance, sap, skb)
	202	*
	203	* Incoming data
	204	*
	205	*/
	206	static int ircomm_ttp_data_indication(void instance, void sap,
	207	struct sk_buff *skb)
	208	{
	209	struct ircomm_cb self = (struct ircomm_cb ) instance;
	210
0dc47877	211	IRDA_DEBUG(4, "%s()\n", __func__ );
6819bc2e	212
1da177e4 LT	213	IRDA_ASSERT(self != NULL, return -1;);
	214	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return -1;);
	215	IRDA_ASSERT(skb != NULL, return -1;);
	216
	217	ircomm_do_event(self, IRCOMM_TTP_DATA_INDICATION, skb, NULL);
	218
	219	/* Drop reference count - see ircomm_tty_data_indication(). */
	220	dev_kfree_skb(skb);
	221
	222	return 0;
	223	}
	224
	225	static void ircomm_ttp_connect_confirm(void instance, void sap,
6819bc2e YH	226	struct qos_info *qos,
6819bc2e YH	227	__u32 max_sdu_size,
1da177e4 LT	228	__u8 max_header_size,
	229	struct sk_buff *skb)
	230	{
	231	struct ircomm_cb self = (struct ircomm_cb ) instance;
	232	struct ircomm_info info;
	233
0dc47877	234	IRDA_DEBUG(4, "%s()\n", __func__ );
1da177e4 LT	235
	236	IRDA_ASSERT(self != NULL, return;);
	237	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);
	238	IRDA_ASSERT(skb != NULL, return;);
	239	IRDA_ASSERT(qos != NULL, goto out;);
	240
	241	if (max_sdu_size != TTP_SAR_DISABLE) {
	242	IRDA_ERROR("%s(), SAR not allowed for IrCOMM!\n",
0dc47877	243	__func__);
1da177e4 LT	244	goto out;
	245	}
	246
	247	info.max_data_size = irttp_get_max_seg_size(self->tsap)
	248	- IRCOMM_HEADER_SIZE;
	249	info.max_header_size = max_header_size + IRCOMM_HEADER_SIZE;
	250	info.qos = qos;
	251
	252	ircomm_do_event(self, IRCOMM_TTP_CONNECT_CONFIRM, skb, &info);
	253
	254	out:
	255	/* Drop reference count - see ircomm_tty_connect_confirm(). */
	256	dev_kfree_skb(skb);
	257	}
	258
	259	/*
	260	* Function ircomm_ttp_connect_indication (instance, sap, qos, max_sdu_size,
	261	* max_header_size, skb)
	262	*
6819bc2e	263	*
1da177e4 LT	264	*
	265	*/
	266	static void ircomm_ttp_connect_indication(void instance, void sap,
	267	struct qos_info *qos,
	268	__u32 max_sdu_size,
	269	__u8 max_header_size,
	270	struct sk_buff *skb)
	271	{
	272	struct ircomm_cb self = (struct ircomm_cb )instance;
	273	struct ircomm_info info;
	274
0dc47877	275	IRDA_DEBUG(4, "%s()\n", __func__ );
1da177e4 LT	276
	277	IRDA_ASSERT(self != NULL, return;);
	278	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);
	279	IRDA_ASSERT(skb != NULL, return;);
	280	IRDA_ASSERT(qos != NULL, goto out;);
	281
	282	if (max_sdu_size != TTP_SAR_DISABLE) {
	283	IRDA_ERROR("%s(), SAR not allowed for IrCOMM!\n",
0dc47877	284	__func__);
1da177e4 LT	285	goto out;
	286	}
	287
	288	info.max_data_size = irttp_get_max_seg_size(self->tsap)
	289	- IRCOMM_HEADER_SIZE;
	290	info.max_header_size = max_header_size + IRCOMM_HEADER_SIZE;
	291	info.qos = qos;
	292
	293	ircomm_do_event(self, IRCOMM_TTP_CONNECT_INDICATION, skb, &info);
	294
	295	out:
	296	/* Drop reference count - see ircomm_tty_connect_indication(). */
	297	dev_kfree_skb(skb);
	298	}
	299
	300	/*
	301	* Function ircomm_ttp_disconnect_request (self, userdata, info)
	302	*
6819bc2e	303	*
1da177e4 LT	304	*
1da177e4 LT	305	*/
6819bc2e YH	306	static int ircomm_ttp_disconnect_request(struct ircomm_cb *self,
6819bc2e YH	307	struct sk_buff *userdata,
1da177e4 LT	308	struct ircomm_info *info)
	309	{
	310	int ret;
	311
	312	/* Don't forget to refcount it - should be NULL anyway */
	313	if(userdata)
	314	skb_get(userdata);
	315
	316	ret = irttp_disconnect_request(self->tsap, userdata, P_NORMAL);
	317
	318	return ret;
	319	}
	320
	321	/*
	322	* Function ircomm_ttp_disconnect_indication (instance, sap, reason, skb)
	323	*
6819bc2e	324	*
1da177e4 LT	325	*
1da177e4 LT	326	*/
6819bc2e	327	static void ircomm_ttp_disconnect_indication(void instance, void sap,
1da177e4 LT	328	LM_REASON reason,
	329	struct sk_buff *skb)
	330	{
	331	struct ircomm_cb self = (struct ircomm_cb ) instance;
	332	struct ircomm_info info;
	333
0dc47877	334	IRDA_DEBUG(2, "%s()\n", __func__ );
1da177e4 LT	335
	336	IRDA_ASSERT(self != NULL, return;);
	337	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);
	338
	339	info.reason = reason;
	340
	341	ircomm_do_event(self, IRCOMM_TTP_DISCONNECT_INDICATION, skb, &info);
	342
	343	/* Drop reference count - see ircomm_tty_disconnect_indication(). */
	344	if(skb)
	345	dev_kfree_skb(skb);
	346	}
	347
	348	/*
	349	* Function ircomm_ttp_flow_indication (instance, sap, cmd)
	350	*
	351	* Layer below is telling us to start or stop the flow of data
	352	*
	353	*/
	354	static void ircomm_ttp_flow_indication(void instance, void sap,
	355	LOCAL_FLOW cmd)
	356	{
	357	struct ircomm_cb self = (struct ircomm_cb ) instance;
	358
0dc47877	359	IRDA_DEBUG(4, "%s()\n", __func__ );
1da177e4 LT	360
	361	IRDA_ASSERT(self != NULL, return;);
	362	IRDA_ASSERT(self->magic == IRCOMM_MAGIC, return;);
6819bc2e	363
1da177e4 LT	364	if (self->notify.flow_indication)
	365	self->notify.flow_indication(self->notify.instance, self, cmd);
	366	}
	367
	368