/*********************************************************************
|
/*********************************************************************
|
*
|
*
|
* Filename: af_irda.c
|
* Filename: af_irda.c
|
* Version: 0.9
|
* Version: 0.9
|
* Description: IrDA sockets implementation
|
* Description: IrDA sockets implementation
|
* Status: Stable
|
* Status: Stable
|
* Author: Dag Brattli <dagb@cs.uit.no>
|
* Author: Dag Brattli <dagb@cs.uit.no>
|
* Created at: Sun May 31 10:12:43 1998
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* Created at: Sun May 31 10:12:43 1998
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* Modified at: Sat Dec 25 21:10:23 1999
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* Modified at: Sat Dec 25 21:10:23 1999
|
* Modified by: Dag Brattli <dag@brattli.net>
|
* Modified by: Dag Brattli <dag@brattli.net>
|
* Sources: af_netroom.c, af_ax25.c, af_rose.c, af_x25.c etc.
|
* Sources: af_netroom.c, af_ax25.c, af_rose.c, af_x25.c etc.
|
*
|
*
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* Copyright (c) 1999 Dag Brattli <dagb@cs.uit.no>
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* Copyright (c) 1999 Dag Brattli <dagb@cs.uit.no>
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* Copyright (c) 1999-2001 Jean Tourrilhes <jt@hpl.hp.com>
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* Copyright (c) 1999-2001 Jean Tourrilhes <jt@hpl.hp.com>
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* All Rights Reserved.
|
* All Rights Reserved.
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*
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*
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* This program is free software; you can redistribute it and/or
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* This program is free software; you can redistribute it and/or
|
* modify it under the terms of the GNU General Public License as
|
* modify it under the terms of the GNU General Public License as
|
* published by the Free Software Foundation; either version 2 of
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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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* the License, or (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* GNU General Public License for more details.
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*
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*
|
* You should have received a copy of the GNU General Public License
|
* You should have received a copy of the GNU General Public License
|
* along with this program; if not, write to the Free Software
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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* MA 02111-1307 USA
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*
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*
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* Linux-IrDA now supports four different types of IrDA sockets:
|
* Linux-IrDA now supports four different types of IrDA sockets:
|
*
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*
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* o SOCK_STREAM: TinyTP connections with SAR disabled. The
|
* o SOCK_STREAM: TinyTP connections with SAR disabled. The
|
* max SDU size is 0 for conn. of this type
|
* max SDU size is 0 for conn. of this type
|
* o SOCK_SEQPACKET: TinyTP connections with SAR enabled. TTP may
|
* o SOCK_SEQPACKET: TinyTP connections with SAR enabled. TTP may
|
* fragment the messages, but will preserve
|
* fragment the messages, but will preserve
|
* the message boundaries
|
* the message boundaries
|
* o SOCK_DGRAM: IRDAPROTO_UNITDATA: TinyTP connections with Unitdata
|
* o SOCK_DGRAM: IRDAPROTO_UNITDATA: TinyTP connections with Unitdata
|
* (unreliable) transfers
|
* (unreliable) transfers
|
* IRDAPROTO_ULTRA: Connectionless and unreliable data
|
* IRDAPROTO_ULTRA: Connectionless and unreliable data
|
*
|
*
|
********************************************************************/
|
********************************************************************/
|
|
|
#include <linux/config.h>
|
#include <linux/config.h>
|
#include <linux/module.h>
|
#include <linux/module.h>
|
#include <linux/types.h>
|
#include <linux/types.h>
|
#include <linux/socket.h>
|
#include <linux/socket.h>
|
#include <linux/sockios.h>
|
#include <linux/sockios.h>
|
#include <linux/init.h>
|
#include <linux/init.h>
|
#include <linux/if_arp.h>
|
#include <linux/if_arp.h>
|
#include <linux/net.h>
|
#include <linux/net.h>
|
#include <linux/irda.h>
|
#include <linux/irda.h>
|
#include <linux/poll.h>
|
#include <linux/poll.h>
|
|
|
#include <asm/uaccess.h>
|
#include <asm/uaccess.h>
|
|
|
#include <net/sock.h>
|
#include <net/sock.h>
|
|
|
#include <net/irda/irda.h>
|
#include <net/irda/irda.h>
|
#include <net/irda/iriap.h>
|
#include <net/irda/iriap.h>
|
#include <net/irda/irias_object.h>
|
#include <net/irda/irias_object.h>
|
#include <net/irda/irlmp.h>
|
#include <net/irda/irlmp.h>
|
#include <net/irda/irttp.h>
|
#include <net/irda/irttp.h>
|
#include <net/irda/discovery.h>
|
#include <net/irda/discovery.h>
|
|
|
extern int irda_init(void);
|
extern int irda_init(void);
|
extern void irda_cleanup(void);
|
extern void irda_cleanup(void);
|
extern int irlap_driver_rcv(struct sk_buff *, struct net_device *,
|
extern int irlap_driver_rcv(struct sk_buff *, struct net_device *,
|
struct packet_type *);
|
struct packet_type *);
|
|
|
static int irda_create(struct socket *sock, int protocol);
|
static int irda_create(struct socket *sock, int protocol);
|
|
|
static struct proto_ops irda_stream_ops;
|
static struct proto_ops irda_stream_ops;
|
static struct proto_ops irda_seqpacket_ops;
|
static struct proto_ops irda_seqpacket_ops;
|
static struct proto_ops irda_dgram_ops;
|
static struct proto_ops irda_dgram_ops;
|
|
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
static struct proto_ops irda_ultra_ops;
|
static struct proto_ops irda_ultra_ops;
|
#define ULTRA_MAX_DATA 382
|
#define ULTRA_MAX_DATA 382
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
|
|
#define IRDA_MAX_HEADER (TTP_MAX_HEADER)
|
#define IRDA_MAX_HEADER (TTP_MAX_HEADER)
|
|
|
#ifdef CONFIG_IRDA_DEBUG
|
#ifdef CONFIG_IRDA_DEBUG
|
__u32 irda_debug = IRDA_DEBUG_LEVEL;
|
__u32 irda_debug = IRDA_DEBUG_LEVEL;
|
#endif
|
#endif
|
|
|
/*
|
/*
|
* Function irda_data_indication (instance, sap, skb)
|
* Function irda_data_indication (instance, sap, skb)
|
*
|
*
|
* Received some data from TinyTP. Just queue it on the receive queue
|
* Received some data from TinyTP. Just queue it on the receive queue
|
*
|
*
|
*/
|
*/
|
static int irda_data_indication(void *instance, void *sap, struct sk_buff *skb)
|
static int irda_data_indication(void *instance, void *sap, struct sk_buff *skb)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk;
|
struct sock *sk;
|
int err;
|
int err;
|
|
|
IRDA_DEBUG(3, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(3, "%s()\n", __FUNCTION__);
|
|
|
self = (struct irda_sock *) instance;
|
self = (struct irda_sock *) instance;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
sk = self->sk;
|
sk = self->sk;
|
ASSERT(sk != NULL, return -1;);
|
ASSERT(sk != NULL, return -1;);
|
|
|
err = sock_queue_rcv_skb(sk, skb);
|
err = sock_queue_rcv_skb(sk, skb);
|
if (err) {
|
if (err) {
|
IRDA_DEBUG(1, "%s(), error: no more mem!\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), error: no more mem!\n", __FUNCTION__);
|
self->rx_flow = FLOW_STOP;
|
self->rx_flow = FLOW_STOP;
|
|
|
/* When we return error, TTP will need to requeue the skb */
|
/* When we return error, TTP will need to requeue the skb */
|
return err;
|
return err;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_disconnect_indication (instance, sap, reason, skb)
|
* Function irda_disconnect_indication (instance, sap, reason, skb)
|
*
|
*
|
* Connection has been closed. Check reason to find out why
|
* Connection has been closed. Check reason to find out why
|
*
|
*
|
*/
|
*/
|
static void irda_disconnect_indication(void *instance, void *sap,
|
static void irda_disconnect_indication(void *instance, void *sap,
|
LM_REASON reason, struct sk_buff *skb)
|
LM_REASON reason, struct sk_buff *skb)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk;
|
struct sock *sk;
|
|
|
self = (struct irda_sock *) instance;
|
self = (struct irda_sock *) instance;
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
/* Don't care about it, but let's not leak it */
|
/* Don't care about it, but let's not leak it */
|
if(skb)
|
if(skb)
|
dev_kfree_skb(skb);
|
dev_kfree_skb(skb);
|
|
|
sk = self->sk;
|
sk = self->sk;
|
if (sk == NULL)
|
if (sk == NULL)
|
return;
|
return;
|
|
|
/* Prevent race conditions with irda_release() and irda_shutdown() */
|
/* Prevent race conditions with irda_release() and irda_shutdown() */
|
if ((!sk->dead) && (sk->state != TCP_CLOSE)) {
|
if ((!sk->dead) && (sk->state != TCP_CLOSE)) {
|
sk->state = TCP_CLOSE;
|
sk->state = TCP_CLOSE;
|
sk->err = ECONNRESET;
|
sk->err = ECONNRESET;
|
sk->shutdown |= SEND_SHUTDOWN;
|
sk->shutdown |= SEND_SHUTDOWN;
|
|
|
sk->state_change(sk);
|
sk->state_change(sk);
|
sk->dead = 1; /* Uh-oh... Should use sock_orphan ? */
|
sk->dead = 1; /* Uh-oh... Should use sock_orphan ? */
|
|
|
/* Close our TSAP.
|
/* Close our TSAP.
|
* If we leave it open, IrLMP put it back into the list of
|
* If we leave it open, IrLMP put it back into the list of
|
* unconnected LSAPs. The problem is that any incoming request
|
* unconnected LSAPs. The problem is that any incoming request
|
* can then be matched to this socket (and it will be, because
|
* can then be matched to this socket (and it will be, because
|
* it is at the head of the list). This would prevent any
|
* it is at the head of the list). This would prevent any
|
* listening socket waiting on the same TSAP to get those
|
* listening socket waiting on the same TSAP to get those
|
* requests. Some apps forget to close sockets, or hang to it
|
* requests. Some apps forget to close sockets, or hang to it
|
* a bit too long, so we may stay in this dead state long
|
* a bit too long, so we may stay in this dead state long
|
* enough to be noticed...
|
* enough to be noticed...
|
* Note : all socket function do check sk->state, so we are
|
* Note : all socket function do check sk->state, so we are
|
* safe...
|
* safe...
|
* Jean II
|
* Jean II
|
*/
|
*/
|
if (self->tsap) {
|
if (self->tsap) {
|
irttp_close_tsap(self->tsap);
|
irttp_close_tsap(self->tsap);
|
self->tsap = NULL;
|
self->tsap = NULL;
|
}
|
}
|
}
|
}
|
|
|
/* Note : once we are there, there is not much you want to do
|
/* Note : once we are there, there is not much you want to do
|
* with the socket anymore, apart from closing it.
|
* with the socket anymore, apart from closing it.
|
* For example, bind() and connect() won't reset sk->err,
|
* For example, bind() and connect() won't reset sk->err,
|
* sk->shutdown and sk->dead to valid values...
|
* sk->shutdown and sk->dead to valid values...
|
* Jean II
|
* Jean II
|
*/
|
*/
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_connect_confirm (instance, sap, qos, max_sdu_size, skb)
|
* Function irda_connect_confirm (instance, sap, qos, max_sdu_size, skb)
|
*
|
*
|
* Connections has been confirmed by the remote device
|
* Connections has been confirmed by the remote device
|
*
|
*
|
*/
|
*/
|
static void irda_connect_confirm(void *instance, void *sap,
|
static void irda_connect_confirm(void *instance, void *sap,
|
struct qos_info *qos,
|
struct qos_info *qos,
|
__u32 max_sdu_size, __u8 max_header_size,
|
__u32 max_sdu_size, __u8 max_header_size,
|
struct sk_buff *skb)
|
struct sk_buff *skb)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk;
|
struct sock *sk;
|
|
|
self = (struct irda_sock *) instance;
|
self = (struct irda_sock *) instance;
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
sk = self->sk;
|
sk = self->sk;
|
if (sk == NULL)
|
if (sk == NULL)
|
return;
|
return;
|
|
|
/* How much header space do we need to reserve */
|
/* How much header space do we need to reserve */
|
self->max_header_size = max_header_size;
|
self->max_header_size = max_header_size;
|
|
|
/* IrTTP max SDU size in transmit direction */
|
/* IrTTP max SDU size in transmit direction */
|
self->max_sdu_size_tx = max_sdu_size;
|
self->max_sdu_size_tx = max_sdu_size;
|
|
|
/* Find out what the largest chunk of data that we can transmit is */
|
/* Find out what the largest chunk of data that we can transmit is */
|
switch (sk->type) {
|
switch (sk->type) {
|
case SOCK_STREAM:
|
case SOCK_STREAM:
|
if (max_sdu_size != 0) {
|
if (max_sdu_size != 0) {
|
ERROR("%s(), max_sdu_size must be 0\n", __FUNCTION__);
|
ERROR("%s(), max_sdu_size must be 0\n", __FUNCTION__);
|
return;
|
return;
|
}
|
}
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
break;
|
break;
|
case SOCK_SEQPACKET:
|
case SOCK_SEQPACKET:
|
if (max_sdu_size == 0) {
|
if (max_sdu_size == 0) {
|
ERROR("%s(), max_sdu_size cannot be 0\n", __FUNCTION__);
|
ERROR("%s(), max_sdu_size cannot be 0\n", __FUNCTION__);
|
return;
|
return;
|
}
|
}
|
self->max_data_size = max_sdu_size;
|
self->max_data_size = max_sdu_size;
|
break;
|
break;
|
default:
|
default:
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
};
|
};
|
|
|
IRDA_DEBUG(2, "%s(), max_data_size=%d\n", __FUNCTION__,
|
IRDA_DEBUG(2, "%s(), max_data_size=%d\n", __FUNCTION__,
|
self->max_data_size);
|
self->max_data_size);
|
|
|
memcpy(&self->qos_tx, qos, sizeof(struct qos_info));
|
memcpy(&self->qos_tx, qos, sizeof(struct qos_info));
|
dev_kfree_skb(skb);
|
dev_kfree_skb(skb);
|
// Should be ??? skb_queue_tail(&sk->receive_queue, skb);
|
// Should be ??? skb_queue_tail(&sk->receive_queue, skb);
|
|
|
/* We are now connected! */
|
/* We are now connected! */
|
sk->state = TCP_ESTABLISHED;
|
sk->state = TCP_ESTABLISHED;
|
sk->state_change(sk);
|
sk->state_change(sk);
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_connect_indication(instance, sap, qos, max_sdu_size, userdata)
|
* Function irda_connect_indication(instance, sap, qos, max_sdu_size, userdata)
|
*
|
*
|
* Incoming connection
|
* Incoming connection
|
*
|
*
|
*/
|
*/
|
static void irda_connect_indication(void *instance, void *sap,
|
static void irda_connect_indication(void *instance, void *sap,
|
struct qos_info *qos, __u32 max_sdu_size,
|
struct qos_info *qos, __u32 max_sdu_size,
|
__u8 max_header_size, struct sk_buff *skb)
|
__u8 max_header_size, struct sk_buff *skb)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk;
|
struct sock *sk;
|
|
|
self = (struct irda_sock *) instance;
|
self = (struct irda_sock *) instance;
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
sk = self->sk;
|
sk = self->sk;
|
if (sk == NULL)
|
if (sk == NULL)
|
return;
|
return;
|
|
|
/* How much header space do we need to reserve */
|
/* How much header space do we need to reserve */
|
self->max_header_size = max_header_size;
|
self->max_header_size = max_header_size;
|
|
|
/* IrTTP max SDU size in transmit direction */
|
/* IrTTP max SDU size in transmit direction */
|
self->max_sdu_size_tx = max_sdu_size;
|
self->max_sdu_size_tx = max_sdu_size;
|
|
|
/* Find out what the largest chunk of data that we can transmit is */
|
/* Find out what the largest chunk of data that we can transmit is */
|
switch (sk->type) {
|
switch (sk->type) {
|
case SOCK_STREAM:
|
case SOCK_STREAM:
|
if (max_sdu_size != 0) {
|
if (max_sdu_size != 0) {
|
ERROR("%s(), max_sdu_size must be 0\n", __FUNCTION__);
|
ERROR("%s(), max_sdu_size must be 0\n", __FUNCTION__);
|
return;
|
return;
|
}
|
}
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
break;
|
break;
|
case SOCK_SEQPACKET:
|
case SOCK_SEQPACKET:
|
if (max_sdu_size == 0) {
|
if (max_sdu_size == 0) {
|
ERROR("%s(), max_sdu_size cannot be 0\n", __FUNCTION__);
|
ERROR("%s(), max_sdu_size cannot be 0\n", __FUNCTION__);
|
return;
|
return;
|
}
|
}
|
self->max_data_size = max_sdu_size;
|
self->max_data_size = max_sdu_size;
|
break;
|
break;
|
default:
|
default:
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
self->max_data_size = irttp_get_max_seg_size(self->tsap);
|
};
|
};
|
|
|
IRDA_DEBUG(2, "%s(), max_data_size=%d\n", __FUNCTION__,
|
IRDA_DEBUG(2, "%s(), max_data_size=%d\n", __FUNCTION__,
|
self->max_data_size);
|
self->max_data_size);
|
|
|
memcpy(&self->qos_tx, qos, sizeof(struct qos_info));
|
memcpy(&self->qos_tx, qos, sizeof(struct qos_info));
|
|
|
skb_queue_tail(&sk->receive_queue, skb);
|
skb_queue_tail(&sk->receive_queue, skb);
|
sk->state_change(sk);
|
sk->state_change(sk);
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_connect_response (handle)
|
* Function irda_connect_response (handle)
|
*
|
*
|
* Accept incoming connection
|
* Accept incoming connection
|
*
|
*
|
*/
|
*/
|
void irda_connect_response(struct irda_sock *self)
|
void irda_connect_response(struct irda_sock *self)
|
{
|
{
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
ASSERT(self != NULL, return;);
|
ASSERT(self != NULL, return;);
|
|
|
skb = dev_alloc_skb(64);
|
skb = dev_alloc_skb(64);
|
if (skb == NULL) {
|
if (skb == NULL) {
|
IRDA_DEBUG(0, "%s() Unable to allocate sk_buff!\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s() Unable to allocate sk_buff!\n", __FUNCTION__);
|
return;
|
return;
|
}
|
}
|
|
|
/* Reserve space for MUX_CONTROL and LAP header */
|
/* Reserve space for MUX_CONTROL and LAP header */
|
skb_reserve(skb, IRDA_MAX_HEADER);
|
skb_reserve(skb, IRDA_MAX_HEADER);
|
|
|
irttp_connect_response(self->tsap, self->max_sdu_size_rx, skb);
|
irttp_connect_response(self->tsap, self->max_sdu_size_rx, skb);
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_flow_indication (instance, sap, flow)
|
* Function irda_flow_indication (instance, sap, flow)
|
*
|
*
|
* Used by TinyTP to tell us if it can accept more data or not
|
* Used by TinyTP to tell us if it can accept more data or not
|
*
|
*
|
*/
|
*/
|
static void irda_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
|
static void irda_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk;
|
struct sock *sk;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
self = (struct irda_sock *) instance;
|
self = (struct irda_sock *) instance;
|
ASSERT(self != NULL, return;);
|
ASSERT(self != NULL, return;);
|
|
|
sk = self->sk;
|
sk = self->sk;
|
ASSERT(sk != NULL, return;);
|
ASSERT(sk != NULL, return;);
|
|
|
switch (flow) {
|
switch (flow) {
|
case FLOW_STOP:
|
case FLOW_STOP:
|
IRDA_DEBUG(1, "%s(), IrTTP wants us to slow down\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), IrTTP wants us to slow down\n", __FUNCTION__);
|
self->tx_flow = flow;
|
self->tx_flow = flow;
|
break;
|
break;
|
case FLOW_START:
|
case FLOW_START:
|
self->tx_flow = flow;
|
self->tx_flow = flow;
|
IRDA_DEBUG(1, "%s(), IrTTP wants us to start again\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), IrTTP wants us to start again\n", __FUNCTION__);
|
wake_up_interruptible(sk->sleep);
|
wake_up_interruptible(sk->sleep);
|
break;
|
break;
|
default:
|
default:
|
IRDA_DEBUG( 0, "%s(), Unknown flow command!\n", __FUNCTION__);
|
IRDA_DEBUG( 0, "%s(), Unknown flow command!\n", __FUNCTION__);
|
/* Unknown flow command, better stop */
|
/* Unknown flow command, better stop */
|
self->tx_flow = flow;
|
self->tx_flow = flow;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_getvalue_confirm (obj_id, value, priv)
|
* Function irda_getvalue_confirm (obj_id, value, priv)
|
*
|
*
|
* Got answer from remote LM-IAS, just pass object to requester...
|
* Got answer from remote LM-IAS, just pass object to requester...
|
*
|
*
|
* Note : duplicate from above, but we need our own version that
|
* Note : duplicate from above, but we need our own version that
|
* doesn't touch the dtsap_sel and save the full value structure...
|
* doesn't touch the dtsap_sel and save the full value structure...
|
*/
|
*/
|
static void irda_getvalue_confirm(int result, __u16 obj_id,
|
static void irda_getvalue_confirm(int result, __u16 obj_id,
|
struct ias_value *value, void *priv)
|
struct ias_value *value, void *priv)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
|
|
self = (struct irda_sock *) priv;
|
self = (struct irda_sock *) priv;
|
if (!self) {
|
if (!self) {
|
WARNING("%s(), lost myself!\n", __FUNCTION__);
|
WARNING("%s(), lost myself!\n", __FUNCTION__);
|
return;
|
return;
|
}
|
}
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
/* We probably don't need to make any more queries */
|
/* We probably don't need to make any more queries */
|
iriap_close(self->iriap);
|
iriap_close(self->iriap);
|
self->iriap = NULL;
|
self->iriap = NULL;
|
|
|
/* Check if request succeeded */
|
/* Check if request succeeded */
|
if (result != IAS_SUCCESS) {
|
if (result != IAS_SUCCESS) {
|
IRDA_DEBUG(1, "%s(), IAS query failed! (%d)\n", __FUNCTION__,
|
IRDA_DEBUG(1, "%s(), IAS query failed! (%d)\n", __FUNCTION__,
|
result);
|
result);
|
|
|
self->errno = result; /* We really need it later */
|
self->errno = result; /* We really need it later */
|
|
|
/* Wake up any processes waiting for result */
|
/* Wake up any processes waiting for result */
|
wake_up_interruptible(&self->query_wait);
|
wake_up_interruptible(&self->query_wait);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
/* Pass the object to the caller (so the caller must delete it) */
|
/* Pass the object to the caller (so the caller must delete it) */
|
self->ias_result = value;
|
self->ias_result = value;
|
self->errno = 0;
|
self->errno = 0;
|
|
|
/* Wake up any processes waiting for result */
|
/* Wake up any processes waiting for result */
|
wake_up_interruptible(&self->query_wait);
|
wake_up_interruptible(&self->query_wait);
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_selective_discovery_indication (discovery)
|
* Function irda_selective_discovery_indication (discovery)
|
*
|
*
|
* Got a selective discovery indication from IrLMP.
|
* Got a selective discovery indication from IrLMP.
|
*
|
*
|
* IrLMP is telling us that this node is matching our hint bit
|
* IrLMP is telling us that this node is matching our hint bit
|
* filter. Check if it's a newly discovered node (or if node changed its
|
* filter. Check if it's a newly discovered node (or if node changed its
|
* hint bits), and then wake up any process waiting for answer...
|
* hint bits), and then wake up any process waiting for answer...
|
*/
|
*/
|
static void irda_selective_discovery_indication(discovery_t *discovery,
|
static void irda_selective_discovery_indication(discovery_t *discovery,
|
DISCOVERY_MODE mode,
|
DISCOVERY_MODE mode,
|
void *priv)
|
void *priv)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
self = (struct irda_sock *) priv;
|
self = (struct irda_sock *) priv;
|
if (!self) {
|
if (!self) {
|
WARNING("%s(), lost myself!\n", __FUNCTION__);
|
WARNING("%s(), lost myself!\n", __FUNCTION__);
|
return;
|
return;
|
}
|
}
|
|
|
/* Check if node is discovered is a new one or an old one.
|
/* Check if node is discovered is a new one or an old one.
|
* We check when how long ago this node was discovered, with a
|
* We check when how long ago this node was discovered, with a
|
* coarse timeout (we may miss some discovery events or be delayed).
|
* coarse timeout (we may miss some discovery events or be delayed).
|
* Note : by doing this test here, we avoid waking up a process ;-)
|
* Note : by doing this test here, we avoid waking up a process ;-)
|
*/
|
*/
|
if((jiffies - discovery->first_timestamp) >
|
if((jiffies - discovery->first_timestamp) >
|
(sysctl_discovery_timeout * HZ)) {
|
(sysctl_discovery_timeout * HZ)) {
|
return; /* Too old, not interesting -> goodbye */
|
return; /* Too old, not interesting -> goodbye */
|
}
|
}
|
|
|
/* Pass parameter to the caller */
|
/* Pass parameter to the caller */
|
self->cachediscovery = discovery;
|
self->cachediscovery = discovery;
|
|
|
/* Wake up process if its waiting for device to be discovered */
|
/* Wake up process if its waiting for device to be discovered */
|
wake_up_interruptible(&self->query_wait);
|
wake_up_interruptible(&self->query_wait);
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_discovery_timeout (priv)
|
* Function irda_discovery_timeout (priv)
|
*
|
*
|
* Timeout in the selective discovery process
|
* Timeout in the selective discovery process
|
*
|
*
|
* We were waiting for a node to be discovered, but nothing has come up
|
* We were waiting for a node to be discovered, but nothing has come up
|
* so far. Wake up the user and tell him that we failed...
|
* so far. Wake up the user and tell him that we failed...
|
*/
|
*/
|
static void irda_discovery_timeout(u_long priv)
|
static void irda_discovery_timeout(u_long priv)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
self = (struct irda_sock *) priv;
|
self = (struct irda_sock *) priv;
|
ASSERT(self != NULL, return;);
|
ASSERT(self != NULL, return;);
|
|
|
/* Nothing for the caller */
|
/* Nothing for the caller */
|
self->cachelog = NULL;
|
self->cachelog = NULL;
|
self->cachediscovery = NULL;
|
self->cachediscovery = NULL;
|
self->errno = -ETIME;
|
self->errno = -ETIME;
|
|
|
/* Wake up process if its still waiting... */
|
/* Wake up process if its still waiting... */
|
wake_up_interruptible(&self->query_wait);
|
wake_up_interruptible(&self->query_wait);
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_open_tsap (self)
|
* Function irda_open_tsap (self)
|
*
|
*
|
* Open local Transport Service Access Point (TSAP)
|
* Open local Transport Service Access Point (TSAP)
|
*
|
*
|
*/
|
*/
|
static int irda_open_tsap(struct irda_sock *self, __u8 tsap_sel, char *name)
|
static int irda_open_tsap(struct irda_sock *self, __u8 tsap_sel, char *name)
|
{
|
{
|
notify_t notify;
|
notify_t notify;
|
|
|
if (self->tsap) {
|
if (self->tsap) {
|
WARNING("%s(), busy!\n", __FUNCTION__);
|
WARNING("%s(), busy!\n", __FUNCTION__);
|
return -EBUSY;
|
return -EBUSY;
|
}
|
}
|
|
|
/* Initialize callbacks to be used by the IrDA stack */
|
/* Initialize callbacks to be used by the IrDA stack */
|
irda_notify_init(¬ify);
|
irda_notify_init(¬ify);
|
notify.connect_confirm = irda_connect_confirm;
|
notify.connect_confirm = irda_connect_confirm;
|
notify.connect_indication = irda_connect_indication;
|
notify.connect_indication = irda_connect_indication;
|
notify.disconnect_indication = irda_disconnect_indication;
|
notify.disconnect_indication = irda_disconnect_indication;
|
notify.data_indication = irda_data_indication;
|
notify.data_indication = irda_data_indication;
|
notify.udata_indication = irda_data_indication;
|
notify.udata_indication = irda_data_indication;
|
notify.flow_indication = irda_flow_indication;
|
notify.flow_indication = irda_flow_indication;
|
notify.instance = self;
|
notify.instance = self;
|
strncpy(notify.name, name, NOTIFY_MAX_NAME);
|
strncpy(notify.name, name, NOTIFY_MAX_NAME);
|
|
|
self->tsap = irttp_open_tsap(tsap_sel, DEFAULT_INITIAL_CREDIT,
|
self->tsap = irttp_open_tsap(tsap_sel, DEFAULT_INITIAL_CREDIT,
|
¬ify);
|
¬ify);
|
if (self->tsap == NULL) {
|
if (self->tsap == NULL) {
|
IRDA_DEBUG( 0, "%s(), Unable to allocate TSAP!\n", __FUNCTION__);
|
IRDA_DEBUG( 0, "%s(), Unable to allocate TSAP!\n", __FUNCTION__);
|
return -ENOMEM;
|
return -ENOMEM;
|
}
|
}
|
/* Remember which TSAP selector we actually got */
|
/* Remember which TSAP selector we actually got */
|
self->stsap_sel = self->tsap->stsap_sel;
|
self->stsap_sel = self->tsap->stsap_sel;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_open_lsap (self)
|
* Function irda_open_lsap (self)
|
*
|
*
|
* Open local Link Service Access Point (LSAP). Used for opening Ultra
|
* Open local Link Service Access Point (LSAP). Used for opening Ultra
|
* sockets
|
* sockets
|
*/
|
*/
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
static int irda_open_lsap(struct irda_sock *self, int pid)
|
static int irda_open_lsap(struct irda_sock *self, int pid)
|
{
|
{
|
notify_t notify;
|
notify_t notify;
|
|
|
if (self->lsap) {
|
if (self->lsap) {
|
WARNING("%s(), busy!\n", __FUNCTION__);
|
WARNING("%s(), busy!\n", __FUNCTION__);
|
return -EBUSY;
|
return -EBUSY;
|
}
|
}
|
|
|
/* Initialize callbacks to be used by the IrDA stack */
|
/* Initialize callbacks to be used by the IrDA stack */
|
irda_notify_init(¬ify);
|
irda_notify_init(¬ify);
|
notify.udata_indication = irda_data_indication;
|
notify.udata_indication = irda_data_indication;
|
notify.instance = self;
|
notify.instance = self;
|
strncpy(notify.name, "Ultra", NOTIFY_MAX_NAME);
|
strncpy(notify.name, "Ultra", NOTIFY_MAX_NAME);
|
|
|
self->lsap = irlmp_open_lsap(LSAP_CONNLESS, ¬ify, pid);
|
self->lsap = irlmp_open_lsap(LSAP_CONNLESS, ¬ify, pid);
|
if (self->lsap == NULL) {
|
if (self->lsap == NULL) {
|
IRDA_DEBUG( 0, "%s(), Unable to allocate LSAP!\n", __FUNCTION__);
|
IRDA_DEBUG( 0, "%s(), Unable to allocate LSAP!\n", __FUNCTION__);
|
return -ENOMEM;
|
return -ENOMEM;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
|
|
/*
|
/*
|
* Function irda_find_lsap_sel (self, name)
|
* Function irda_find_lsap_sel (self, name)
|
*
|
*
|
* Try to lookup LSAP selector in remote LM-IAS
|
* Try to lookup LSAP selector in remote LM-IAS
|
*
|
*
|
* Basically, we start a IAP query, and then go to sleep. When the query
|
* Basically, we start a IAP query, and then go to sleep. When the query
|
* return, irda_getvalue_confirm will wake us up, and we can examine the
|
* return, irda_getvalue_confirm will wake us up, and we can examine the
|
* result of the query...
|
* result of the query...
|
* Note that in some case, the query fail even before we go to sleep,
|
* Note that in some case, the query fail even before we go to sleep,
|
* creating some races...
|
* creating some races...
|
*/
|
*/
|
static int irda_find_lsap_sel(struct irda_sock *self, char *name)
|
static int irda_find_lsap_sel(struct irda_sock *self, char *name)
|
{
|
{
|
IRDA_DEBUG(2, "%s(%p, %s)\n", __FUNCTION__, self, name);
|
IRDA_DEBUG(2, "%s(%p, %s)\n", __FUNCTION__, self, name);
|
|
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
if (self->iriap) {
|
if (self->iriap) {
|
WARNING("%s(), busy with a previous query\n", __FUNCTION__);
|
WARNING("%s(), busy with a previous query\n", __FUNCTION__);
|
return -EBUSY;
|
return -EBUSY;
|
}
|
}
|
|
|
self->iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self,
|
self->iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self,
|
irda_getvalue_confirm);
|
irda_getvalue_confirm);
|
if(self->iriap == NULL)
|
if(self->iriap == NULL)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
/* Treat unexpected signals as disconnect */
|
/* Treat unexpected signals as disconnect */
|
self->errno = -EHOSTUNREACH;
|
self->errno = -EHOSTUNREACH;
|
|
|
/* Query remote LM-IAS */
|
/* Query remote LM-IAS */
|
iriap_getvaluebyclass_request(self->iriap, self->saddr, self->daddr,
|
iriap_getvaluebyclass_request(self->iriap, self->saddr, self->daddr,
|
name, "IrDA:TinyTP:LsapSel");
|
name, "IrDA:TinyTP:LsapSel");
|
/* Wait for answer (if not already failed) */
|
/* Wait for answer (if not already failed) */
|
if(self->iriap != NULL)
|
if(self->iriap != NULL)
|
interruptible_sleep_on(&self->query_wait);
|
interruptible_sleep_on(&self->query_wait);
|
|
|
/* Check what happened */
|
/* Check what happened */
|
if (self->errno)
|
if (self->errno)
|
{
|
{
|
/* Requested object/attribute doesn't exist */
|
/* Requested object/attribute doesn't exist */
|
if((self->errno == IAS_CLASS_UNKNOWN) ||
|
if((self->errno == IAS_CLASS_UNKNOWN) ||
|
(self->errno == IAS_ATTRIB_UNKNOWN))
|
(self->errno == IAS_ATTRIB_UNKNOWN))
|
return (-EADDRNOTAVAIL);
|
return (-EADDRNOTAVAIL);
|
else
|
else
|
return (-EHOSTUNREACH);
|
return (-EHOSTUNREACH);
|
}
|
}
|
|
|
/* Get the remote TSAP selector */
|
/* Get the remote TSAP selector */
|
switch (self->ias_result->type) {
|
switch (self->ias_result->type) {
|
case IAS_INTEGER:
|
case IAS_INTEGER:
|
IRDA_DEBUG(4, "%s() int=%d\n", __FUNCTION__,
|
IRDA_DEBUG(4, "%s() int=%d\n", __FUNCTION__,
|
self->ias_result->t.integer);
|
self->ias_result->t.integer);
|
|
|
if (self->ias_result->t.integer != -1)
|
if (self->ias_result->t.integer != -1)
|
self->dtsap_sel = self->ias_result->t.integer;
|
self->dtsap_sel = self->ias_result->t.integer;
|
else
|
else
|
self->dtsap_sel = 0;
|
self->dtsap_sel = 0;
|
break;
|
break;
|
default:
|
default:
|
self->dtsap_sel = 0;
|
self->dtsap_sel = 0;
|
IRDA_DEBUG(0, "%s(), bad type!\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), bad type!\n", __FUNCTION__);
|
break;
|
break;
|
}
|
}
|
if (self->ias_result)
|
if (self->ias_result)
|
irias_delete_value(self->ias_result);
|
irias_delete_value(self->ias_result);
|
|
|
if (self->dtsap_sel)
|
if (self->dtsap_sel)
|
return 0;
|
return 0;
|
|
|
return -EADDRNOTAVAIL;
|
return -EADDRNOTAVAIL;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_discover_daddr_and_lsap_sel (self, name)
|
* Function irda_discover_daddr_and_lsap_sel (self, name)
|
*
|
*
|
* This try to find a device with the requested service.
|
* This try to find a device with the requested service.
|
*
|
*
|
* It basically look into the discovery log. For each address in the list,
|
* It basically look into the discovery log. For each address in the list,
|
* it queries the LM-IAS of the device to find if this device offer
|
* it queries the LM-IAS of the device to find if this device offer
|
* the requested service.
|
* the requested service.
|
* If there is more than one node supporting the service, we complain
|
* If there is more than one node supporting the service, we complain
|
* to the user (it should move devices around).
|
* to the user (it should move devices around).
|
* The, we set both the destination address and the lsap selector to point
|
* The, we set both the destination address and the lsap selector to point
|
* on the service on the unique device we have found.
|
* on the service on the unique device we have found.
|
*
|
*
|
* Note : this function fails if there is more than one device in range,
|
* Note : this function fails if there is more than one device in range,
|
* because IrLMP doesn't disconnect the LAP when the last LSAP is closed.
|
* because IrLMP doesn't disconnect the LAP when the last LSAP is closed.
|
* Moreover, we would need to wait the LAP disconnection...
|
* Moreover, we would need to wait the LAP disconnection...
|
*/
|
*/
|
static int irda_discover_daddr_and_lsap_sel(struct irda_sock *self, char *name)
|
static int irda_discover_daddr_and_lsap_sel(struct irda_sock *self, char *name)
|
{
|
{
|
struct irda_device_info *discoveries; /* Copy of the discovery log */
|
struct irda_device_info *discoveries; /* Copy of the discovery log */
|
int number; /* Number of nodes in the log */
|
int number; /* Number of nodes in the log */
|
int i;
|
int i;
|
int err = -ENETUNREACH;
|
int err = -ENETUNREACH;
|
__u32 daddr = DEV_ADDR_ANY; /* Address we found the service on */
|
__u32 daddr = DEV_ADDR_ANY; /* Address we found the service on */
|
__u8 dtsap_sel = 0x0; /* TSAP associated with it */
|
__u8 dtsap_sel = 0x0; /* TSAP associated with it */
|
|
|
IRDA_DEBUG(2, "%s(), name=%s\n", __FUNCTION__, name);
|
IRDA_DEBUG(2, "%s(), name=%s\n", __FUNCTION__, name);
|
|
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
/* Ask lmp for the current discovery log
|
/* Ask lmp for the current discovery log
|
* Note : we have to use irlmp_get_discoveries(), as opposed
|
* Note : we have to use irlmp_get_discoveries(), as opposed
|
* to play with the cachelog directly, because while we are
|
* to play with the cachelog directly, because while we are
|
* making our ias query, le log might change... */
|
* making our ias query, le log might change... */
|
discoveries = irlmp_get_discoveries(&number, self->mask, self->nslots);
|
discoveries = irlmp_get_discoveries(&number, self->mask, self->nslots);
|
/* Check if the we got some results */
|
/* Check if the we got some results */
|
if (discoveries == NULL)
|
if (discoveries == NULL)
|
return -ENETUNREACH; /* No nodes discovered */
|
return -ENETUNREACH; /* No nodes discovered */
|
|
|
/*
|
/*
|
* Now, check all discovered devices (if any), and connect
|
* Now, check all discovered devices (if any), and connect
|
* client only about the services that the client is
|
* client only about the services that the client is
|
* interested in...
|
* interested in...
|
*/
|
*/
|
for(i = 0; i < number; i++) {
|
for(i = 0; i < number; i++) {
|
/* Try the address in the log */
|
/* Try the address in the log */
|
self->daddr = discoveries[i].daddr;
|
self->daddr = discoveries[i].daddr;
|
self->saddr = 0x0;
|
self->saddr = 0x0;
|
IRDA_DEBUG(1, "%s(), trying daddr = %08x\n", __FUNCTION__,
|
IRDA_DEBUG(1, "%s(), trying daddr = %08x\n", __FUNCTION__,
|
self->daddr);
|
self->daddr);
|
|
|
/* Query remote LM-IAS for this service */
|
/* Query remote LM-IAS for this service */
|
err = irda_find_lsap_sel(self, name);
|
err = irda_find_lsap_sel(self, name);
|
switch (err) {
|
switch (err) {
|
case 0:
|
case 0:
|
/* We found the requested service */
|
/* We found the requested service */
|
if(daddr != DEV_ADDR_ANY) {
|
if(daddr != DEV_ADDR_ANY) {
|
IRDA_DEBUG(1, "%s(), discovered service ''%s'' in two different devices !!!\n",
|
IRDA_DEBUG(1, "%s(), discovered service ''%s'' in two different devices !!!\n",
|
__FUNCTION__, name);
|
__FUNCTION__, name);
|
self->daddr = DEV_ADDR_ANY;
|
self->daddr = DEV_ADDR_ANY;
|
kfree(discoveries);
|
kfree(discoveries);
|
return(-ENOTUNIQ);
|
return(-ENOTUNIQ);
|
}
|
}
|
/* First time we found that one, save it ! */
|
/* First time we found that one, save it ! */
|
daddr = self->daddr;
|
daddr = self->daddr;
|
dtsap_sel = self->dtsap_sel;
|
dtsap_sel = self->dtsap_sel;
|
break;
|
break;
|
case -EADDRNOTAVAIL:
|
case -EADDRNOTAVAIL:
|
/* Requested service simply doesn't exist on this node */
|
/* Requested service simply doesn't exist on this node */
|
break;
|
break;
|
default:
|
default:
|
/* Something bad did happen :-( */
|
/* Something bad did happen :-( */
|
IRDA_DEBUG(0, "%s(), unexpected IAS query failure\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), unexpected IAS query failure\n", __FUNCTION__);
|
self->daddr = DEV_ADDR_ANY;
|
self->daddr = DEV_ADDR_ANY;
|
kfree(discoveries);
|
kfree(discoveries);
|
return(-EHOSTUNREACH);
|
return(-EHOSTUNREACH);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
/* Cleanup our copy of the discovery log */
|
/* Cleanup our copy of the discovery log */
|
kfree(discoveries);
|
kfree(discoveries);
|
|
|
/* Check out what we found */
|
/* Check out what we found */
|
if(daddr == DEV_ADDR_ANY) {
|
if(daddr == DEV_ADDR_ANY) {
|
IRDA_DEBUG(1, "%s(), cannot discover service ''%s'' in any device !!!\n",
|
IRDA_DEBUG(1, "%s(), cannot discover service ''%s'' in any device !!!\n",
|
__FUNCTION__, name);
|
__FUNCTION__, name);
|
self->daddr = DEV_ADDR_ANY;
|
self->daddr = DEV_ADDR_ANY;
|
return(-EADDRNOTAVAIL);
|
return(-EADDRNOTAVAIL);
|
}
|
}
|
|
|
/* Revert back to discovered device & service */
|
/* Revert back to discovered device & service */
|
self->daddr = daddr;
|
self->daddr = daddr;
|
self->saddr = 0x0;
|
self->saddr = 0x0;
|
self->dtsap_sel = dtsap_sel;
|
self->dtsap_sel = dtsap_sel;
|
|
|
IRDA_DEBUG(1, "%s(), discovered requested service ''%s'' at address %08x\n",
|
IRDA_DEBUG(1, "%s(), discovered requested service ''%s'' at address %08x\n",
|
__FUNCTION__, name, self->daddr);
|
__FUNCTION__, name, self->daddr);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_getname (sock, uaddr, uaddr_len, peer)
|
* Function irda_getname (sock, uaddr, uaddr_len, peer)
|
*
|
*
|
* Return the our own, or peers socket address (sockaddr_irda)
|
* Return the our own, or peers socket address (sockaddr_irda)
|
*
|
*
|
*/
|
*/
|
static int irda_getname(struct socket *sock, struct sockaddr *uaddr,
|
static int irda_getname(struct socket *sock, struct sockaddr *uaddr,
|
int *uaddr_len, int peer)
|
int *uaddr_len, int peer)
|
{
|
{
|
struct sockaddr_irda saddr;
|
struct sockaddr_irda saddr;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct irda_sock *self = sk->protinfo.irda;
|
struct irda_sock *self = sk->protinfo.irda;
|
|
|
if (peer) {
|
if (peer) {
|
if (sk->state != TCP_ESTABLISHED)
|
if (sk->state != TCP_ESTABLISHED)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
|
|
saddr.sir_family = AF_IRDA;
|
saddr.sir_family = AF_IRDA;
|
saddr.sir_lsap_sel = self->dtsap_sel;
|
saddr.sir_lsap_sel = self->dtsap_sel;
|
saddr.sir_addr = self->daddr;
|
saddr.sir_addr = self->daddr;
|
} else {
|
} else {
|
saddr.sir_family = AF_IRDA;
|
saddr.sir_family = AF_IRDA;
|
saddr.sir_lsap_sel = self->stsap_sel;
|
saddr.sir_lsap_sel = self->stsap_sel;
|
saddr.sir_addr = self->saddr;
|
saddr.sir_addr = self->saddr;
|
}
|
}
|
|
|
IRDA_DEBUG(1, "%s(), tsap_sel = %#x\n", __FUNCTION__, saddr.sir_lsap_sel);
|
IRDA_DEBUG(1, "%s(), tsap_sel = %#x\n", __FUNCTION__, saddr.sir_lsap_sel);
|
IRDA_DEBUG(1, "%s(), addr = %08x\n", __FUNCTION__, saddr.sir_addr);
|
IRDA_DEBUG(1, "%s(), addr = %08x\n", __FUNCTION__, saddr.sir_addr);
|
|
|
/* uaddr_len come to us uninitialised */
|
/* uaddr_len come to us uninitialised */
|
*uaddr_len = sizeof (struct sockaddr_irda);
|
*uaddr_len = sizeof (struct sockaddr_irda);
|
memcpy(uaddr, &saddr, *uaddr_len);
|
memcpy(uaddr, &saddr, *uaddr_len);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_listen (sock, backlog)
|
* Function irda_listen (sock, backlog)
|
*
|
*
|
* Just move to the listen state
|
* Just move to the listen state
|
*
|
*
|
*/
|
*/
|
static int irda_listen(struct socket *sock, int backlog)
|
static int irda_listen(struct socket *sock, int backlog)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
if ((sk->type != SOCK_STREAM) && (sk->type != SOCK_SEQPACKET) &&
|
if ((sk->type != SOCK_STREAM) && (sk->type != SOCK_SEQPACKET) &&
|
(sk->type != SOCK_DGRAM))
|
(sk->type != SOCK_DGRAM))
|
return -EOPNOTSUPP;
|
return -EOPNOTSUPP;
|
|
|
if (sk->state != TCP_LISTEN) {
|
if (sk->state != TCP_LISTEN) {
|
sk->max_ack_backlog = backlog;
|
sk->max_ack_backlog = backlog;
|
sk->state = TCP_LISTEN;
|
sk->state = TCP_LISTEN;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
return -EOPNOTSUPP;
|
return -EOPNOTSUPP;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_bind (sock, uaddr, addr_len)
|
* Function irda_bind (sock, uaddr, addr_len)
|
*
|
*
|
* Used by servers to register their well known TSAP
|
* Used by servers to register their well known TSAP
|
*
|
*
|
*/
|
*/
|
static int irda_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
|
static int irda_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sockaddr_irda *addr = (struct sockaddr_irda *) uaddr;
|
struct sockaddr_irda *addr = (struct sockaddr_irda *) uaddr;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
int err;
|
int err;
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
if (addr_len != sizeof(struct sockaddr_irda))
|
if (addr_len != sizeof(struct sockaddr_irda))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
/* Special care for Ultra sockets */
|
/* Special care for Ultra sockets */
|
if ((sk->type == SOCK_DGRAM) && (sk->protocol == IRDAPROTO_ULTRA)) {
|
if ((sk->type == SOCK_DGRAM) && (sk->protocol == IRDAPROTO_ULTRA)) {
|
self->pid = addr->sir_lsap_sel;
|
self->pid = addr->sir_lsap_sel;
|
if (self->pid & 0x80) {
|
if (self->pid & 0x80) {
|
IRDA_DEBUG(0, "%s(), extension in PID not supp!\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), extension in PID not supp!\n", __FUNCTION__);
|
return -EOPNOTSUPP;
|
return -EOPNOTSUPP;
|
}
|
}
|
err = irda_open_lsap(self, self->pid);
|
err = irda_open_lsap(self, self->pid);
|
if (err < 0)
|
if (err < 0)
|
return err;
|
return err;
|
|
|
self->max_data_size = ULTRA_MAX_DATA - LMP_PID_HEADER;
|
self->max_data_size = ULTRA_MAX_DATA - LMP_PID_HEADER;
|
self->max_header_size = IRDA_MAX_HEADER + LMP_PID_HEADER;
|
self->max_header_size = IRDA_MAX_HEADER + LMP_PID_HEADER;
|
|
|
/* Pretend we are connected */
|
/* Pretend we are connected */
|
sock->state = SS_CONNECTED;
|
sock->state = SS_CONNECTED;
|
sk->state = TCP_ESTABLISHED;
|
sk->state = TCP_ESTABLISHED;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
|
|
err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
|
err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
|
if (err < 0)
|
if (err < 0)
|
return err;
|
return err;
|
|
|
/* Register with LM-IAS */
|
/* Register with LM-IAS */
|
self->ias_obj = irias_new_object(addr->sir_name, jiffies);
|
self->ias_obj = irias_new_object(addr->sir_name, jiffies);
|
irias_add_integer_attrib(self->ias_obj, "IrDA:TinyTP:LsapSel",
|
irias_add_integer_attrib(self->ias_obj, "IrDA:TinyTP:LsapSel",
|
self->stsap_sel, IAS_KERNEL_ATTR);
|
self->stsap_sel, IAS_KERNEL_ATTR);
|
irias_insert_object(self->ias_obj);
|
irias_insert_object(self->ias_obj);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_accept (sock, newsock, flags)
|
* Function irda_accept (sock, newsock, flags)
|
*
|
*
|
* Wait for incoming connection
|
* Wait for incoming connection
|
*
|
*
|
*/
|
*/
|
static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
|
static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
|
{
|
{
|
struct irda_sock *self, *new;
|
struct irda_sock *self, *new;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sock *newsk;
|
struct sock *newsk;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
int err;
|
int err;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
err = irda_create(newsock, sk->protocol);
|
err = irda_create(newsock, sk->protocol);
|
if (err)
|
if (err)
|
return err;
|
return err;
|
|
|
if (sock->state != SS_UNCONNECTED)
|
if (sock->state != SS_UNCONNECTED)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if ((sk = sock->sk) == NULL)
|
if ((sk = sock->sk) == NULL)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if ((sk->type != SOCK_STREAM) && (sk->type != SOCK_SEQPACKET) &&
|
if ((sk->type != SOCK_STREAM) && (sk->type != SOCK_SEQPACKET) &&
|
(sk->type != SOCK_DGRAM))
|
(sk->type != SOCK_DGRAM))
|
return -EOPNOTSUPP;
|
return -EOPNOTSUPP;
|
|
|
if (sk->state != TCP_LISTEN)
|
if (sk->state != TCP_LISTEN)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
/*
|
/*
|
* The read queue this time is holding sockets ready to use
|
* The read queue this time is holding sockets ready to use
|
* hooked into the SABM we saved
|
* hooked into the SABM we saved
|
*/
|
*/
|
do {
|
do {
|
if ((skb = skb_dequeue(&sk->receive_queue)) == NULL) {
|
if ((skb = skb_dequeue(&sk->receive_queue)) == NULL) {
|
if (flags & O_NONBLOCK)
|
if (flags & O_NONBLOCK)
|
return -EWOULDBLOCK;
|
return -EWOULDBLOCK;
|
|
|
interruptible_sleep_on(sk->sleep);
|
interruptible_sleep_on(sk->sleep);
|
if (signal_pending(current))
|
if (signal_pending(current))
|
return -ERESTARTSYS;
|
return -ERESTARTSYS;
|
}
|
}
|
} while (skb == NULL);
|
} while (skb == NULL);
|
|
|
newsk = newsock->sk;
|
newsk = newsock->sk;
|
newsk->state = TCP_ESTABLISHED;
|
newsk->state = TCP_ESTABLISHED;
|
|
|
new = newsk->protinfo.irda;
|
new = newsk->protinfo.irda;
|
ASSERT(new != NULL, return -1;);
|
ASSERT(new != NULL, return -1;);
|
|
|
/* Now attach up the new socket */
|
/* Now attach up the new socket */
|
new->tsap = irttp_dup(self->tsap, new);
|
new->tsap = irttp_dup(self->tsap, new);
|
if (!new->tsap) {
|
if (!new->tsap) {
|
IRDA_DEBUG(0, "%s(), dup failed!\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), dup failed!\n", __FUNCTION__);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
new->stsap_sel = new->tsap->stsap_sel;
|
new->stsap_sel = new->tsap->stsap_sel;
|
new->dtsap_sel = new->tsap->dtsap_sel;
|
new->dtsap_sel = new->tsap->dtsap_sel;
|
new->saddr = irttp_get_saddr(new->tsap);
|
new->saddr = irttp_get_saddr(new->tsap);
|
new->daddr = irttp_get_daddr(new->tsap);
|
new->daddr = irttp_get_daddr(new->tsap);
|
|
|
new->max_sdu_size_tx = self->max_sdu_size_tx;
|
new->max_sdu_size_tx = self->max_sdu_size_tx;
|
new->max_sdu_size_rx = self->max_sdu_size_rx;
|
new->max_sdu_size_rx = self->max_sdu_size_rx;
|
new->max_data_size = self->max_data_size;
|
new->max_data_size = self->max_data_size;
|
new->max_header_size = self->max_header_size;
|
new->max_header_size = self->max_header_size;
|
|
|
memcpy(&new->qos_tx, &self->qos_tx, sizeof(struct qos_info));
|
memcpy(&new->qos_tx, &self->qos_tx, sizeof(struct qos_info));
|
|
|
/* Clean up the original one to keep it in listen state */
|
/* Clean up the original one to keep it in listen state */
|
irttp_listen(self->tsap);
|
irttp_listen(self->tsap);
|
|
|
skb->sk = NULL;
|
skb->sk = NULL;
|
skb->destructor = NULL;
|
skb->destructor = NULL;
|
kfree_skb(skb);
|
kfree_skb(skb);
|
sk->ack_backlog--;
|
sk->ack_backlog--;
|
|
|
newsock->state = SS_CONNECTED;
|
newsock->state = SS_CONNECTED;
|
|
|
irda_connect_response(new);
|
irda_connect_response(new);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_connect (sock, uaddr, addr_len, flags)
|
* Function irda_connect (sock, uaddr, addr_len, flags)
|
*
|
*
|
* Connect to a IrDA device
|
* Connect to a IrDA device
|
*
|
*
|
* The main difference with a "standard" connect is that with IrDA we need
|
* The main difference with a "standard" connect is that with IrDA we need
|
* to resolve the service name into a TSAP selector (in TCP, port number
|
* to resolve the service name into a TSAP selector (in TCP, port number
|
* doesn't have to be resolved).
|
* doesn't have to be resolved).
|
* Because of this service name resoltion, we can offer "auto-connect",
|
* Because of this service name resoltion, we can offer "auto-connect",
|
* where we connect to a service without specifying a destination address.
|
* where we connect to a service without specifying a destination address.
|
*
|
*
|
* Note : by consulting "errno", the user space caller may learn the cause
|
* Note : by consulting "errno", the user space caller may learn the cause
|
* of the failure. Most of them are visible in the function, others may come
|
* of the failure. Most of them are visible in the function, others may come
|
* from subroutines called and are listed here :
|
* from subroutines called and are listed here :
|
* o EBUSY : already processing a connect
|
* o EBUSY : already processing a connect
|
* o EHOSTUNREACH : bad addr->sir_addr argument
|
* o EHOSTUNREACH : bad addr->sir_addr argument
|
* o EADDRNOTAVAIL : bad addr->sir_name argument
|
* o EADDRNOTAVAIL : bad addr->sir_name argument
|
* o ENOTUNIQ : more than one node has addr->sir_name (auto-connect)
|
* o ENOTUNIQ : more than one node has addr->sir_name (auto-connect)
|
* o ENETUNREACH : no node found on the network (auto-connect)
|
* o ENETUNREACH : no node found on the network (auto-connect)
|
*/
|
*/
|
static int irda_connect(struct socket *sock, struct sockaddr *uaddr,
|
static int irda_connect(struct socket *sock, struct sockaddr *uaddr,
|
int addr_len, int flags)
|
int addr_len, int flags)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sockaddr_irda *addr = (struct sockaddr_irda *) uaddr;
|
struct sockaddr_irda *addr = (struct sockaddr_irda *) uaddr;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
int err;
|
int err;
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
/* Don't allow connect for Ultra sockets */
|
/* Don't allow connect for Ultra sockets */
|
if ((sk->type == SOCK_DGRAM) && (sk->protocol == IRDAPROTO_ULTRA))
|
if ((sk->type == SOCK_DGRAM) && (sk->protocol == IRDAPROTO_ULTRA))
|
return -ESOCKTNOSUPPORT;
|
return -ESOCKTNOSUPPORT;
|
|
|
if (sk->state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
|
if (sk->state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
|
sock->state = SS_CONNECTED;
|
sock->state = SS_CONNECTED;
|
return 0; /* Connect completed during a ERESTARTSYS event */
|
return 0; /* Connect completed during a ERESTARTSYS event */
|
}
|
}
|
|
|
if (sk->state == TCP_CLOSE && sock->state == SS_CONNECTING) {
|
if (sk->state == TCP_CLOSE && sock->state == SS_CONNECTING) {
|
sock->state = SS_UNCONNECTED;
|
sock->state = SS_UNCONNECTED;
|
return -ECONNREFUSED;
|
return -ECONNREFUSED;
|
}
|
}
|
|
|
if (sk->state == TCP_ESTABLISHED)
|
if (sk->state == TCP_ESTABLISHED)
|
return -EISCONN; /* No reconnect on a seqpacket socket */
|
return -EISCONN; /* No reconnect on a seqpacket socket */
|
|
|
sk->state = TCP_CLOSE;
|
sk->state = TCP_CLOSE;
|
sock->state = SS_UNCONNECTED;
|
sock->state = SS_UNCONNECTED;
|
|
|
if (addr_len != sizeof(struct sockaddr_irda))
|
if (addr_len != sizeof(struct sockaddr_irda))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
/* Check if user supplied any destination device address */
|
/* Check if user supplied any destination device address */
|
if ((!addr->sir_addr) || (addr->sir_addr == DEV_ADDR_ANY)) {
|
if ((!addr->sir_addr) || (addr->sir_addr == DEV_ADDR_ANY)) {
|
/* Try to find one suitable */
|
/* Try to find one suitable */
|
err = irda_discover_daddr_and_lsap_sel(self, addr->sir_name);
|
err = irda_discover_daddr_and_lsap_sel(self, addr->sir_name);
|
if (err) {
|
if (err) {
|
IRDA_DEBUG(0, "%s(), auto-connect failed!\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), auto-connect failed!\n", __FUNCTION__);
|
return err;
|
return err;
|
}
|
}
|
} else {
|
} else {
|
/* Use the one provided by the user */
|
/* Use the one provided by the user */
|
self->daddr = addr->sir_addr;
|
self->daddr = addr->sir_addr;
|
IRDA_DEBUG(1, "%s(), daddr = %08x\n", __FUNCTION__, self->daddr);
|
IRDA_DEBUG(1, "%s(), daddr = %08x\n", __FUNCTION__, self->daddr);
|
|
|
/* Query remote LM-IAS */
|
/* Query remote LM-IAS */
|
err = irda_find_lsap_sel(self, addr->sir_name);
|
err = irda_find_lsap_sel(self, addr->sir_name);
|
if (err) {
|
if (err) {
|
IRDA_DEBUG(0, "%s(), connect failed!\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), connect failed!\n", __FUNCTION__);
|
return err;
|
return err;
|
}
|
}
|
}
|
}
|
|
|
/* Check if we have opened a local TSAP */
|
/* Check if we have opened a local TSAP */
|
if (!self->tsap)
|
if (!self->tsap)
|
irda_open_tsap(self, LSAP_ANY, addr->sir_name);
|
irda_open_tsap(self, LSAP_ANY, addr->sir_name);
|
|
|
/* Move to connecting socket, start sending Connect Requests */
|
/* Move to connecting socket, start sending Connect Requests */
|
sock->state = SS_CONNECTING;
|
sock->state = SS_CONNECTING;
|
sk->state = TCP_SYN_SENT;
|
sk->state = TCP_SYN_SENT;
|
|
|
/* Connect to remote device */
|
/* Connect to remote device */
|
err = irttp_connect_request(self->tsap, self->dtsap_sel,
|
err = irttp_connect_request(self->tsap, self->dtsap_sel,
|
self->saddr, self->daddr, NULL,
|
self->saddr, self->daddr, NULL,
|
self->max_sdu_size_rx, NULL);
|
self->max_sdu_size_rx, NULL);
|
if (err) {
|
if (err) {
|
IRDA_DEBUG(0, "%s(), connect failed!\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), connect failed!\n", __FUNCTION__);
|
return err;
|
return err;
|
}
|
}
|
|
|
/* Now the loop */
|
/* Now the loop */
|
if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
|
if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
|
return -EINPROGRESS;
|
return -EINPROGRESS;
|
|
|
/* Here, there is a race condition : the state may change between
|
/* Here, there is a race condition : the state may change between
|
* our test and the sleep, via irda_connect_confirm().
|
* our test and the sleep, via irda_connect_confirm().
|
* The way to workaround that is to sleep with a timeout, so that
|
* The way to workaround that is to sleep with a timeout, so that
|
* we don't sleep forever and check the state when waking up.
|
* we don't sleep forever and check the state when waking up.
|
* 50ms is plenty good enough, because the LAP is already connected.
|
* 50ms is plenty good enough, because the LAP is already connected.
|
* Jean II */
|
* Jean II */
|
while (sk->state == TCP_SYN_SENT) {
|
while (sk->state == TCP_SYN_SENT) {
|
interruptible_sleep_on_timeout(sk->sleep, HZ/20);
|
interruptible_sleep_on_timeout(sk->sleep, HZ/20);
|
if (signal_pending(current)) {
|
if (signal_pending(current)) {
|
return -ERESTARTSYS;
|
return -ERESTARTSYS;
|
}
|
}
|
}
|
}
|
|
|
if (sk->state != TCP_ESTABLISHED) {
|
if (sk->state != TCP_ESTABLISHED) {
|
sock->state = SS_UNCONNECTED;
|
sock->state = SS_UNCONNECTED;
|
return sock_error(sk); /* Always set at this point */
|
return sock_error(sk); /* Always set at this point */
|
}
|
}
|
|
|
sock->state = SS_CONNECTED;
|
sock->state = SS_CONNECTED;
|
|
|
/* At this point, IrLMP has assigned our source address */
|
/* At this point, IrLMP has assigned our source address */
|
self->saddr = irttp_get_saddr(self->tsap);
|
self->saddr = irttp_get_saddr(self->tsap);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_create (sock, protocol)
|
* Function irda_create (sock, protocol)
|
*
|
*
|
* Create IrDA socket
|
* Create IrDA socket
|
*
|
*
|
*/
|
*/
|
static int irda_create(struct socket *sock, int protocol)
|
static int irda_create(struct socket *sock, int protocol)
|
{
|
{
|
struct sock *sk;
|
struct sock *sk;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
/* Check for valid socket type */
|
/* Check for valid socket type */
|
switch (sock->type) {
|
switch (sock->type) {
|
case SOCK_STREAM: /* For TTP connections with SAR disabled */
|
case SOCK_STREAM: /* For TTP connections with SAR disabled */
|
case SOCK_SEQPACKET: /* For TTP connections with SAR enabled */
|
case SOCK_SEQPACKET: /* For TTP connections with SAR enabled */
|
case SOCK_DGRAM: /* For TTP Unitdata or LMP Ultra transfers */
|
case SOCK_DGRAM: /* For TTP Unitdata or LMP Ultra transfers */
|
break;
|
break;
|
default:
|
default:
|
return -ESOCKTNOSUPPORT;
|
return -ESOCKTNOSUPPORT;
|
}
|
}
|
|
|
/* Allocate networking socket */
|
/* Allocate networking socket */
|
if ((sk = sk_alloc(PF_IRDA, GFP_ATOMIC, 1)) == NULL)
|
if ((sk = sk_alloc(PF_IRDA, GFP_ATOMIC, 1)) == NULL)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
/* Allocate IrDA socket */
|
/* Allocate IrDA socket */
|
self = kmalloc(sizeof(struct irda_sock), GFP_ATOMIC);
|
self = kmalloc(sizeof(struct irda_sock), GFP_ATOMIC);
|
if (self == NULL) {
|
if (self == NULL) {
|
sk_free(sk);
|
sk_free(sk);
|
return -ENOMEM;
|
return -ENOMEM;
|
}
|
}
|
memset(self, 0, sizeof(struct irda_sock));
|
memset(self, 0, sizeof(struct irda_sock));
|
|
|
IRDA_DEBUG(2, "%s() : self is %p\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s() : self is %p\n", __FUNCTION__, self);
|
|
|
init_waitqueue_head(&self->query_wait);
|
init_waitqueue_head(&self->query_wait);
|
|
|
/* Initialise networking socket struct */
|
/* Initialise networking socket struct */
|
sock_init_data(sock, sk); /* Note : set sk->refcnt to 1 */
|
sock_init_data(sock, sk); /* Note : set sk->refcnt to 1 */
|
sk->family = PF_IRDA;
|
sk->family = PF_IRDA;
|
sk->protocol = protocol;
|
sk->protocol = protocol;
|
/* Link networking socket and IrDA socket structs together */
|
/* Link networking socket and IrDA socket structs together */
|
sk->protinfo.irda = self;
|
sk->protinfo.irda = self;
|
self->sk = sk;
|
self->sk = sk;
|
|
|
switch (sock->type) {
|
switch (sock->type) {
|
case SOCK_STREAM:
|
case SOCK_STREAM:
|
sock->ops = &irda_stream_ops;
|
sock->ops = &irda_stream_ops;
|
self->max_sdu_size_rx = TTP_SAR_DISABLE;
|
self->max_sdu_size_rx = TTP_SAR_DISABLE;
|
break;
|
break;
|
case SOCK_SEQPACKET:
|
case SOCK_SEQPACKET:
|
sock->ops = &irda_seqpacket_ops;
|
sock->ops = &irda_seqpacket_ops;
|
self->max_sdu_size_rx = TTP_SAR_UNBOUND;
|
self->max_sdu_size_rx = TTP_SAR_UNBOUND;
|
break;
|
break;
|
case SOCK_DGRAM:
|
case SOCK_DGRAM:
|
switch (protocol) {
|
switch (protocol) {
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
case IRDAPROTO_ULTRA:
|
case IRDAPROTO_ULTRA:
|
sock->ops = &irda_ultra_ops;
|
sock->ops = &irda_ultra_ops;
|
break;
|
break;
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
case IRDAPROTO_UNITDATA:
|
case IRDAPROTO_UNITDATA:
|
sock->ops = &irda_dgram_ops;
|
sock->ops = &irda_dgram_ops;
|
/* We let Unitdata conn. be like seqpack conn. */
|
/* We let Unitdata conn. be like seqpack conn. */
|
self->max_sdu_size_rx = TTP_SAR_UNBOUND;
|
self->max_sdu_size_rx = TTP_SAR_UNBOUND;
|
break;
|
break;
|
default:
|
default:
|
ERROR("%s(), protocol not supported!\n", __FUNCTION__);
|
ERROR("%s(), protocol not supported!\n", __FUNCTION__);
|
return -ESOCKTNOSUPPORT;
|
return -ESOCKTNOSUPPORT;
|
}
|
}
|
break;
|
break;
|
default:
|
default:
|
return -ESOCKTNOSUPPORT;
|
return -ESOCKTNOSUPPORT;
|
}
|
}
|
|
|
/* Register as a client with IrLMP */
|
/* Register as a client with IrLMP */
|
self->ckey = irlmp_register_client(0, NULL, NULL, NULL);
|
self->ckey = irlmp_register_client(0, NULL, NULL, NULL);
|
self->mask = 0xffff;
|
self->mask = 0xffff;
|
self->rx_flow = self->tx_flow = FLOW_START;
|
self->rx_flow = self->tx_flow = FLOW_START;
|
self->nslots = DISCOVERY_DEFAULT_SLOTS;
|
self->nslots = DISCOVERY_DEFAULT_SLOTS;
|
self->daddr = DEV_ADDR_ANY; /* Until we get connected */
|
self->daddr = DEV_ADDR_ANY; /* Until we get connected */
|
self->saddr = 0x0; /* so IrLMP assign us any link */
|
self->saddr = 0x0; /* so IrLMP assign us any link */
|
|
|
MOD_INC_USE_COUNT;
|
MOD_INC_USE_COUNT;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_destroy_socket (self)
|
* Function irda_destroy_socket (self)
|
*
|
*
|
* Destroy socket
|
* Destroy socket
|
*
|
*
|
*/
|
*/
|
void irda_destroy_socket(struct irda_sock *self)
|
void irda_destroy_socket(struct irda_sock *self)
|
{
|
{
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
ASSERT(self != NULL, return;);
|
ASSERT(self != NULL, return;);
|
|
|
/* Unregister with IrLMP */
|
/* Unregister with IrLMP */
|
irlmp_unregister_client(self->ckey);
|
irlmp_unregister_client(self->ckey);
|
irlmp_unregister_service(self->skey);
|
irlmp_unregister_service(self->skey);
|
|
|
/* Unregister with LM-IAS */
|
/* Unregister with LM-IAS */
|
if (self->ias_obj) {
|
if (self->ias_obj) {
|
irias_delete_object(self->ias_obj);
|
irias_delete_object(self->ias_obj);
|
self->ias_obj = NULL;
|
self->ias_obj = NULL;
|
}
|
}
|
|
|
if (self->iriap) {
|
if (self->iriap) {
|
iriap_close(self->iriap);
|
iriap_close(self->iriap);
|
self->iriap = NULL;
|
self->iriap = NULL;
|
}
|
}
|
|
|
if (self->tsap) {
|
if (self->tsap) {
|
irttp_disconnect_request(self->tsap, NULL, P_NORMAL);
|
irttp_disconnect_request(self->tsap, NULL, P_NORMAL);
|
irttp_close_tsap(self->tsap);
|
irttp_close_tsap(self->tsap);
|
self->tsap = NULL;
|
self->tsap = NULL;
|
}
|
}
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
if (self->lsap) {
|
if (self->lsap) {
|
irlmp_close_lsap(self->lsap);
|
irlmp_close_lsap(self->lsap);
|
self->lsap = NULL;
|
self->lsap = NULL;
|
}
|
}
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
kfree(self);
|
kfree(self);
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
|
|
return;
|
return;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_release (sock)
|
* Function irda_release (sock)
|
*
|
*
|
*
|
*
|
*
|
*
|
*/
|
*/
|
static int irda_release(struct socket *sock)
|
static int irda_release(struct socket *sock)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s()\n", __FUNCTION__);
|
|
|
if (sk == NULL)
|
if (sk == NULL)
|
return 0;
|
return 0;
|
|
|
sk->state = TCP_CLOSE;
|
sk->state = TCP_CLOSE;
|
sk->shutdown |= SEND_SHUTDOWN;
|
sk->shutdown |= SEND_SHUTDOWN;
|
sk->state_change(sk);
|
sk->state_change(sk);
|
|
|
/* Destroy IrDA socket */
|
/* Destroy IrDA socket */
|
irda_destroy_socket(sk->protinfo.irda);
|
irda_destroy_socket(sk->protinfo.irda);
|
/* Prevent sock_def_destruct() to create havoc */
|
/* Prevent sock_def_destruct() to create havoc */
|
sk->protinfo.irda = NULL;
|
sk->protinfo.irda = NULL;
|
|
|
sock_orphan(sk);
|
sock_orphan(sk);
|
sock->sk = NULL;
|
sock->sk = NULL;
|
|
|
/* Purge queues (see sock_init_data()) */
|
/* Purge queues (see sock_init_data()) */
|
skb_queue_purge(&sk->receive_queue);
|
skb_queue_purge(&sk->receive_queue);
|
|
|
/* Destroy networking socket if we are the last reference on it,
|
/* Destroy networking socket if we are the last reference on it,
|
* i.e. if(sk->refcnt == 0) -> sk_free(sk) */
|
* i.e. if(sk->refcnt == 0) -> sk_free(sk) */
|
sock_put(sk);
|
sock_put(sk);
|
|
|
/* Notes on socket locking and deallocation... - Jean II
|
/* Notes on socket locking and deallocation... - Jean II
|
* In theory we should put pairs of sock_hold() / sock_put() to
|
* In theory we should put pairs of sock_hold() / sock_put() to
|
* prevent the socket to be destroyed whenever there is an
|
* prevent the socket to be destroyed whenever there is an
|
* outstanding request or outstanding incomming packet or event.
|
* outstanding request or outstanding incomming packet or event.
|
*
|
*
|
* 1) This may include IAS request, both in connect and getsockopt.
|
* 1) This may include IAS request, both in connect and getsockopt.
|
* Unfortunately, the situation is a bit more messy than it looks,
|
* Unfortunately, the situation is a bit more messy than it looks,
|
* because we close iriap and kfree(self) above.
|
* because we close iriap and kfree(self) above.
|
*
|
*
|
* 2) This may include selective discovery in getsockopt.
|
* 2) This may include selective discovery in getsockopt.
|
* Same stuff as above, irlmp registration and self are gone.
|
* Same stuff as above, irlmp registration and self are gone.
|
*
|
*
|
* Probably 1 and 2 may not matter, because it's all triggered
|
* Probably 1 and 2 may not matter, because it's all triggered
|
* by a process and the socket layer already prevent the
|
* by a process and the socket layer already prevent the
|
* socket to go away while a process is holding it, through
|
* socket to go away while a process is holding it, through
|
* sockfd_put() and fput()...
|
* sockfd_put() and fput()...
|
*
|
*
|
* 3) This may include deferred TSAP closure. In particular,
|
* 3) This may include deferred TSAP closure. In particular,
|
* we may receive a late irda_disconnect_indication()
|
* we may receive a late irda_disconnect_indication()
|
* Fortunately, (tsap_cb *)->close_pend should protect us
|
* Fortunately, (tsap_cb *)->close_pend should protect us
|
* from that.
|
* from that.
|
*
|
*
|
* I did some testing on SMP, and it looks solid. And the socket
|
* I did some testing on SMP, and it looks solid. And the socket
|
* memory leak is now gone... - Jean II
|
* memory leak is now gone... - Jean II
|
*/
|
*/
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_sendmsg (sock, msg, len, scm)
|
* Function irda_sendmsg (sock, msg, len, scm)
|
*
|
*
|
* Send message down to TinyTP. This function is used for both STREAM and
|
* Send message down to TinyTP. This function is used for both STREAM and
|
* SEQPACK services. This is possible since it forces the client to
|
* SEQPACK services. This is possible since it forces the client to
|
* fragment the message if necessary
|
* fragment the message if necessary
|
*/
|
*/
|
static int irda_sendmsg(struct socket *sock, struct msghdr *msg, int len,
|
static int irda_sendmsg(struct socket *sock, struct msghdr *msg, int len,
|
struct scm_cookie *scm)
|
struct scm_cookie *scm)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
unsigned char *asmptr;
|
unsigned char *asmptr;
|
int err;
|
int err;
|
|
|
IRDA_DEBUG(4, "%s(), len=%d\n", __FUNCTION__, len);
|
IRDA_DEBUG(4, "%s(), len=%d\n", __FUNCTION__, len);
|
|
|
/* Note : socket.c set MSG_EOR on SEQPACKET sockets */
|
/* Note : socket.c set MSG_EOR on SEQPACKET sockets */
|
if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_EOR))
|
if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_EOR))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
send_sig(SIGPIPE, current, 0);
|
send_sig(SIGPIPE, current, 0);
|
return -EPIPE;
|
return -EPIPE;
|
}
|
}
|
|
|
if (sk->state != TCP_ESTABLISHED)
|
if (sk->state != TCP_ESTABLISHED)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
/* Check if IrTTP is wants us to slow down */
|
/* Check if IrTTP is wants us to slow down */
|
while (self->tx_flow == FLOW_STOP) {
|
while (self->tx_flow == FLOW_STOP) {
|
IRDA_DEBUG(2, "%s(), IrTTP is busy, going to sleep!\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s(), IrTTP is busy, going to sleep!\n", __FUNCTION__);
|
interruptible_sleep_on(sk->sleep);
|
interruptible_sleep_on(sk->sleep);
|
|
|
/* Check if we are still connected */
|
/* Check if we are still connected */
|
if (sk->state != TCP_ESTABLISHED)
|
if (sk->state != TCP_ESTABLISHED)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
/* Handle signals */
|
/* Handle signals */
|
if (signal_pending(current))
|
if (signal_pending(current))
|
return -ERESTARTSYS;
|
return -ERESTARTSYS;
|
}
|
}
|
|
|
/* Check that we don't send out to big frames */
|
/* Check that we don't send out to big frames */
|
if (len > self->max_data_size) {
|
if (len > self->max_data_size) {
|
IRDA_DEBUG(2, "%s(), Chopping frame from %d to %d bytes!\n", __FUNCTION__, len,
|
IRDA_DEBUG(2, "%s(), Chopping frame from %d to %d bytes!\n", __FUNCTION__, len,
|
self->max_data_size);
|
self->max_data_size);
|
len = self->max_data_size;
|
len = self->max_data_size;
|
}
|
}
|
|
|
skb = sock_alloc_send_skb(sk, len + self->max_header_size,
|
skb = sock_alloc_send_skb(sk, len + self->max_header_size,
|
msg->msg_flags & MSG_DONTWAIT, &err);
|
msg->msg_flags & MSG_DONTWAIT, &err);
|
if (!skb)
|
if (!skb)
|
return -ENOBUFS;
|
return -ENOBUFS;
|
|
|
skb_reserve(skb, self->max_header_size);
|
skb_reserve(skb, self->max_header_size);
|
|
|
asmptr = skb->h.raw = skb_put(skb, len);
|
asmptr = skb->h.raw = skb_put(skb, len);
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
|
|
/*
|
/*
|
* Just send the message to TinyTP, and let it deal with possible
|
* Just send the message to TinyTP, and let it deal with possible
|
* errors. No need to duplicate all that here
|
* errors. No need to duplicate all that here
|
*/
|
*/
|
err = irttp_data_request(self->tsap, skb);
|
err = irttp_data_request(self->tsap, skb);
|
if (err) {
|
if (err) {
|
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
|
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
|
return err;
|
return err;
|
}
|
}
|
/* Tell client how much data we actually sent */
|
/* Tell client how much data we actually sent */
|
return len;
|
return len;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_recvmsg_dgram (sock, msg, size, flags, scm)
|
* Function irda_recvmsg_dgram (sock, msg, size, flags, scm)
|
*
|
*
|
* Try to receive message and copy it to user. The frame is discarded
|
* Try to receive message and copy it to user. The frame is discarded
|
* after being read, regardless of how much the user actually read
|
* after being read, regardless of how much the user actually read
|
*/
|
*/
|
static int irda_recvmsg_dgram(struct socket *sock, struct msghdr *msg,
|
static int irda_recvmsg_dgram(struct socket *sock, struct msghdr *msg,
|
int size, int flags, struct scm_cookie *scm)
|
int size, int flags, struct scm_cookie *scm)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
int copied, err;
|
int copied, err;
|
|
|
IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
|
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
|
flags & MSG_DONTWAIT, &err);
|
flags & MSG_DONTWAIT, &err);
|
if (!skb)
|
if (!skb)
|
return err;
|
return err;
|
|
|
skb->h.raw = skb->data;
|
skb->h.raw = skb->data;
|
copied = skb->len;
|
copied = skb->len;
|
|
|
if (copied > size) {
|
if (copied > size) {
|
IRDA_DEBUG(2, "%s(), Received truncated frame (%d < %d)!\n", __FUNCTION__,
|
IRDA_DEBUG(2, "%s(), Received truncated frame (%d < %d)!\n", __FUNCTION__,
|
copied, size);
|
copied, size);
|
copied = size;
|
copied = size;
|
msg->msg_flags |= MSG_TRUNC;
|
msg->msg_flags |= MSG_TRUNC;
|
}
|
}
|
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
|
skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
|
|
|
skb_free_datagram(sk, skb);
|
skb_free_datagram(sk, skb);
|
|
|
/*
|
/*
|
* Check if we have previously stopped IrTTP and we know
|
* Check if we have previously stopped IrTTP and we know
|
* have more free space in our rx_queue. If so tell IrTTP
|
* have more free space in our rx_queue. If so tell IrTTP
|
* to start delivering frames again before our rx_queue gets
|
* to start delivering frames again before our rx_queue gets
|
* empty
|
* empty
|
*/
|
*/
|
if (self->rx_flow == FLOW_STOP) {
|
if (self->rx_flow == FLOW_STOP) {
|
if ((atomic_read(&sk->rmem_alloc) << 2) <= sk->rcvbuf) {
|
if ((atomic_read(&sk->rmem_alloc) << 2) <= sk->rcvbuf) {
|
IRDA_DEBUG(2, "%s(), Starting IrTTP\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s(), Starting IrTTP\n", __FUNCTION__);
|
self->rx_flow = FLOW_START;
|
self->rx_flow = FLOW_START;
|
irttp_flow_request(self->tsap, FLOW_START);
|
irttp_flow_request(self->tsap, FLOW_START);
|
}
|
}
|
}
|
}
|
|
|
return copied;
|
return copied;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_data_wait (sk)
|
* Function irda_data_wait (sk)
|
*
|
*
|
* Sleep until data has arrive. But check for races..
|
* Sleep until data has arrive. But check for races..
|
*
|
*
|
*/
|
*/
|
static void irda_data_wait(struct sock *sk)
|
static void irda_data_wait(struct sock *sk)
|
{
|
{
|
if (!skb_peek(&sk->receive_queue)) {
|
if (!skb_peek(&sk->receive_queue)) {
|
set_bit(SOCK_ASYNC_WAITDATA, &sk->socket->flags);
|
set_bit(SOCK_ASYNC_WAITDATA, &sk->socket->flags);
|
interruptible_sleep_on(sk->sleep);
|
interruptible_sleep_on(sk->sleep);
|
clear_bit(SOCK_ASYNC_WAITDATA, &sk->socket->flags);
|
clear_bit(SOCK_ASYNC_WAITDATA, &sk->socket->flags);
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_recvmsg_stream (sock, msg, size, flags, scm)
|
* Function irda_recvmsg_stream (sock, msg, size, flags, scm)
|
*
|
*
|
*
|
*
|
*
|
*
|
*/
|
*/
|
static int irda_recvmsg_stream(struct socket *sock, struct msghdr *msg,
|
static int irda_recvmsg_stream(struct socket *sock, struct msghdr *msg,
|
int size, int flags, struct scm_cookie *scm)
|
int size, int flags, struct scm_cookie *scm)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
int noblock = flags & MSG_DONTWAIT;
|
int noblock = flags & MSG_DONTWAIT;
|
int copied = 0;
|
int copied = 0;
|
int target = 1;
|
int target = 1;
|
|
|
IRDA_DEBUG(3, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(3, "%s()\n", __FUNCTION__);
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
if (sock->flags & __SO_ACCEPTCON)
|
if (sock->flags & __SO_ACCEPTCON)
|
return(-EINVAL);
|
return(-EINVAL);
|
|
|
if (flags & MSG_OOB)
|
if (flags & MSG_OOB)
|
return -EOPNOTSUPP;
|
return -EOPNOTSUPP;
|
|
|
if (flags & MSG_WAITALL)
|
if (flags & MSG_WAITALL)
|
target = size;
|
target = size;
|
|
|
msg->msg_namelen = 0;
|
msg->msg_namelen = 0;
|
|
|
do {
|
do {
|
int chunk;
|
int chunk;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
|
|
skb=skb_dequeue(&sk->receive_queue);
|
skb=skb_dequeue(&sk->receive_queue);
|
if (skb==NULL) {
|
if (skb==NULL) {
|
if (copied >= target)
|
if (copied >= target)
|
break;
|
break;
|
|
|
/*
|
/*
|
* POSIX 1003.1g mandates this order.
|
* POSIX 1003.1g mandates this order.
|
*/
|
*/
|
|
|
if (sk->err) {
|
if (sk->err) {
|
return sock_error(sk);
|
return sock_error(sk);
|
}
|
}
|
|
|
if (sk->shutdown & RCV_SHUTDOWN)
|
if (sk->shutdown & RCV_SHUTDOWN)
|
break;
|
break;
|
|
|
if (noblock)
|
if (noblock)
|
return -EAGAIN;
|
return -EAGAIN;
|
irda_data_wait(sk);
|
irda_data_wait(sk);
|
if (signal_pending(current))
|
if (signal_pending(current))
|
return -ERESTARTSYS;
|
return -ERESTARTSYS;
|
continue;
|
continue;
|
}
|
}
|
|
|
chunk = min_t(unsigned int, skb->len, size);
|
chunk = min_t(unsigned int, skb->len, size);
|
if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) {
|
if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) {
|
skb_queue_head(&sk->receive_queue, skb);
|
skb_queue_head(&sk->receive_queue, skb);
|
if (copied == 0)
|
if (copied == 0)
|
copied = -EFAULT;
|
copied = -EFAULT;
|
break;
|
break;
|
}
|
}
|
copied += chunk;
|
copied += chunk;
|
size -= chunk;
|
size -= chunk;
|
|
|
/* Mark read part of skb as used */
|
/* Mark read part of skb as used */
|
if (!(flags & MSG_PEEK)) {
|
if (!(flags & MSG_PEEK)) {
|
skb_pull(skb, chunk);
|
skb_pull(skb, chunk);
|
|
|
/* put the skb back if we didn't use it up.. */
|
/* put the skb back if we didn't use it up.. */
|
if (skb->len) {
|
if (skb->len) {
|
IRDA_DEBUG(1, "%s(), back on q!\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), back on q!\n", __FUNCTION__);
|
skb_queue_head(&sk->receive_queue, skb);
|
skb_queue_head(&sk->receive_queue, skb);
|
break;
|
break;
|
}
|
}
|
|
|
kfree_skb(skb);
|
kfree_skb(skb);
|
} else {
|
} else {
|
IRDA_DEBUG(0, "%s() questionable!?\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s() questionable!?\n", __FUNCTION__);
|
|
|
/* put message back and return */
|
/* put message back and return */
|
skb_queue_head(&sk->receive_queue, skb);
|
skb_queue_head(&sk->receive_queue, skb);
|
break;
|
break;
|
}
|
}
|
} while (size);
|
} while (size);
|
|
|
/*
|
/*
|
* Check if we have previously stopped IrTTP and we know
|
* Check if we have previously stopped IrTTP and we know
|
* have more free space in our rx_queue. If so tell IrTTP
|
* have more free space in our rx_queue. If so tell IrTTP
|
* to start delivering frames again before our rx_queue gets
|
* to start delivering frames again before our rx_queue gets
|
* empty
|
* empty
|
*/
|
*/
|
if (self->rx_flow == FLOW_STOP) {
|
if (self->rx_flow == FLOW_STOP) {
|
if ((atomic_read(&sk->rmem_alloc) << 2) <= sk->rcvbuf) {
|
if ((atomic_read(&sk->rmem_alloc) << 2) <= sk->rcvbuf) {
|
IRDA_DEBUG(2, "%s(), Starting IrTTP\n", __FUNCTION__);
|
IRDA_DEBUG(2, "%s(), Starting IrTTP\n", __FUNCTION__);
|
self->rx_flow = FLOW_START;
|
self->rx_flow = FLOW_START;
|
irttp_flow_request(self->tsap, FLOW_START);
|
irttp_flow_request(self->tsap, FLOW_START);
|
}
|
}
|
}
|
}
|
|
|
return copied;
|
return copied;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_sendmsg_dgram (sock, msg, len, scm)
|
* Function irda_sendmsg_dgram (sock, msg, len, scm)
|
*
|
*
|
* Send message down to TinyTP for the unreliable sequenced
|
* Send message down to TinyTP for the unreliable sequenced
|
* packet service...
|
* packet service...
|
*
|
*
|
*/
|
*/
|
static int irda_sendmsg_dgram(struct socket *sock, struct msghdr *msg,
|
static int irda_sendmsg_dgram(struct socket *sock, struct msghdr *msg,
|
int len, struct scm_cookie *scm)
|
int len, struct scm_cookie *scm)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
unsigned char *asmptr;
|
unsigned char *asmptr;
|
int err;
|
int err;
|
|
|
IRDA_DEBUG(4, "%s(), len=%d\n", __FUNCTION__, len);
|
IRDA_DEBUG(4, "%s(), len=%d\n", __FUNCTION__, len);
|
|
|
if (msg->msg_flags & ~MSG_DONTWAIT)
|
if (msg->msg_flags & ~MSG_DONTWAIT)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
send_sig(SIGPIPE, current, 0);
|
send_sig(SIGPIPE, current, 0);
|
return -EPIPE;
|
return -EPIPE;
|
}
|
}
|
|
|
if (sk->state != TCP_ESTABLISHED)
|
if (sk->state != TCP_ESTABLISHED)
|
return -ENOTCONN;
|
return -ENOTCONN;
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
/*
|
/*
|
* Check that we don't send out to big frames. This is an unreliable
|
* Check that we don't send out to big frames. This is an unreliable
|
* service, so we have no fragmentation and no coalescence
|
* service, so we have no fragmentation and no coalescence
|
*/
|
*/
|
if (len > self->max_data_size) {
|
if (len > self->max_data_size) {
|
IRDA_DEBUG(0, "%s(), Warning to much data! "
|
IRDA_DEBUG(0, "%s(), Warning to much data! "
|
"Chopping frame from %d to %d bytes!\n", __FUNCTION__, len,
|
"Chopping frame from %d to %d bytes!\n", __FUNCTION__, len,
|
self->max_data_size);
|
self->max_data_size);
|
len = self->max_data_size;
|
len = self->max_data_size;
|
}
|
}
|
|
|
skb = sock_alloc_send_skb(sk, len + self->max_header_size,
|
skb = sock_alloc_send_skb(sk, len + self->max_header_size,
|
msg->msg_flags & MSG_DONTWAIT, &err);
|
msg->msg_flags & MSG_DONTWAIT, &err);
|
if (!skb)
|
if (!skb)
|
return -ENOBUFS;
|
return -ENOBUFS;
|
|
|
skb_reserve(skb, self->max_header_size);
|
skb_reserve(skb, self->max_header_size);
|
|
|
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
|
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
|
asmptr = skb->h.raw = skb_put(skb, len);
|
asmptr = skb->h.raw = skb_put(skb, len);
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
|
|
/*
|
/*
|
* Just send the message to TinyTP, and let it deal with possible
|
* Just send the message to TinyTP, and let it deal with possible
|
* errors. No need to duplicate all that here
|
* errors. No need to duplicate all that here
|
*/
|
*/
|
err = irttp_udata_request(self->tsap, skb);
|
err = irttp_udata_request(self->tsap, skb);
|
if (err) {
|
if (err) {
|
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
|
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
|
return err;
|
return err;
|
}
|
}
|
return len;
|
return len;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_sendmsg_ultra (sock, msg, len, scm)
|
* Function irda_sendmsg_ultra (sock, msg, len, scm)
|
*
|
*
|
* Send message down to IrLMP for the unreliable Ultra
|
* Send message down to IrLMP for the unreliable Ultra
|
* packet service...
|
* packet service...
|
*/
|
*/
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
static int irda_sendmsg_ultra(struct socket *sock, struct msghdr *msg,
|
static int irda_sendmsg_ultra(struct socket *sock, struct msghdr *msg,
|
int len, struct scm_cookie *scm)
|
int len, struct scm_cookie *scm)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
unsigned char *asmptr;
|
unsigned char *asmptr;
|
int err;
|
int err;
|
|
|
IRDA_DEBUG(4, "%s(), len=%d\n", __FUNCTION__, len);
|
IRDA_DEBUG(4, "%s(), len=%d\n", __FUNCTION__, len);
|
|
|
if (msg->msg_flags & ~MSG_DONTWAIT)
|
if (msg->msg_flags & ~MSG_DONTWAIT)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
if (sk->shutdown & SEND_SHUTDOWN) {
|
send_sig(SIGPIPE, current, 0);
|
send_sig(SIGPIPE, current, 0);
|
return -EPIPE;
|
return -EPIPE;
|
}
|
}
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
/*
|
/*
|
* Check that we don't send out to big frames. This is an unreliable
|
* Check that we don't send out to big frames. This is an unreliable
|
* service, so we have no fragmentation and no coalescence
|
* service, so we have no fragmentation and no coalescence
|
*/
|
*/
|
if (len > self->max_data_size) {
|
if (len > self->max_data_size) {
|
IRDA_DEBUG(0, "%s(), Warning to much data! "
|
IRDA_DEBUG(0, "%s(), Warning to much data! "
|
"Chopping frame from %d to %d bytes!\n", __FUNCTION__, len,
|
"Chopping frame from %d to %d bytes!\n", __FUNCTION__, len,
|
self->max_data_size);
|
self->max_data_size);
|
len = self->max_data_size;
|
len = self->max_data_size;
|
}
|
}
|
|
|
skb = sock_alloc_send_skb(sk, len + self->max_header_size,
|
skb = sock_alloc_send_skb(sk, len + self->max_header_size,
|
msg->msg_flags & MSG_DONTWAIT, &err);
|
msg->msg_flags & MSG_DONTWAIT, &err);
|
if (!skb)
|
if (!skb)
|
return -ENOBUFS;
|
return -ENOBUFS;
|
|
|
skb_reserve(skb, self->max_header_size);
|
skb_reserve(skb, self->max_header_size);
|
|
|
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
|
IRDA_DEBUG(4, "%s(), appending user data\n", __FUNCTION__);
|
asmptr = skb->h.raw = skb_put(skb, len);
|
asmptr = skb->h.raw = skb_put(skb, len);
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
memcpy_fromiovec(asmptr, msg->msg_iov, len);
|
|
|
err = irlmp_connless_data_request(self->lsap, skb);
|
err = irlmp_connless_data_request(self->lsap, skb);
|
if (err) {
|
if (err) {
|
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
|
IRDA_DEBUG(0, "%s(), err=%d\n", __FUNCTION__, err);
|
return err;
|
return err;
|
}
|
}
|
return len;
|
return len;
|
}
|
}
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
|
|
/*
|
/*
|
* Function irda_shutdown (sk, how)
|
* Function irda_shutdown (sk, how)
|
*
|
*
|
*
|
*
|
*
|
*
|
*/
|
*/
|
static int irda_shutdown(struct socket *sock, int how)
|
static int irda_shutdown(struct socket *sock, int how)
|
{
|
{
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
IRDA_DEBUG(1, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(1, "%s(%p)\n", __FUNCTION__, self);
|
|
|
sk->state = TCP_CLOSE;
|
sk->state = TCP_CLOSE;
|
sk->shutdown |= SEND_SHUTDOWN;
|
sk->shutdown |= SEND_SHUTDOWN;
|
sk->state_change(sk);
|
sk->state_change(sk);
|
|
|
if (self->iriap) {
|
if (self->iriap) {
|
iriap_close(self->iriap);
|
iriap_close(self->iriap);
|
self->iriap = NULL;
|
self->iriap = NULL;
|
}
|
}
|
|
|
if (self->tsap) {
|
if (self->tsap) {
|
irttp_disconnect_request(self->tsap, NULL, P_NORMAL);
|
irttp_disconnect_request(self->tsap, NULL, P_NORMAL);
|
irttp_close_tsap(self->tsap);
|
irttp_close_tsap(self->tsap);
|
self->tsap = NULL;
|
self->tsap = NULL;
|
}
|
}
|
|
|
/* A few cleanup so the socket look as good as new... */
|
/* A few cleanup so the socket look as good as new... */
|
self->rx_flow = self->tx_flow = FLOW_START; /* needed ??? */
|
self->rx_flow = self->tx_flow = FLOW_START; /* needed ??? */
|
self->daddr = DEV_ADDR_ANY; /* Until we get re-connected */
|
self->daddr = DEV_ADDR_ANY; /* Until we get re-connected */
|
self->saddr = 0x0; /* so IrLMP assign us any link */
|
self->saddr = 0x0; /* so IrLMP assign us any link */
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_poll (file, sock, wait)
|
* Function irda_poll (file, sock, wait)
|
*
|
*
|
*
|
*
|
*
|
*
|
*/
|
*/
|
static unsigned int irda_poll(struct file * file, struct socket *sock,
|
static unsigned int irda_poll(struct file * file, struct socket *sock,
|
poll_table *wait)
|
poll_table *wait)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
unsigned int mask;
|
unsigned int mask;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
|
|
IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
|
IRDA_DEBUG(4, "%s()\n", __FUNCTION__);
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
poll_wait(file, sk->sleep, wait);
|
poll_wait(file, sk->sleep, wait);
|
mask = 0;
|
mask = 0;
|
|
|
/* Exceptional events? */
|
/* Exceptional events? */
|
if (sk->err)
|
if (sk->err)
|
mask |= POLLERR;
|
mask |= POLLERR;
|
if (sk->shutdown & RCV_SHUTDOWN) {
|
if (sk->shutdown & RCV_SHUTDOWN) {
|
IRDA_DEBUG(0, "%s(), POLLHUP\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), POLLHUP\n", __FUNCTION__);
|
mask |= POLLHUP;
|
mask |= POLLHUP;
|
}
|
}
|
|
|
/* Readable? */
|
/* Readable? */
|
if (!skb_queue_empty(&sk->receive_queue)) {
|
if (!skb_queue_empty(&sk->receive_queue)) {
|
IRDA_DEBUG(4, "Socket is readable\n");
|
IRDA_DEBUG(4, "Socket is readable\n");
|
mask |= POLLIN | POLLRDNORM;
|
mask |= POLLIN | POLLRDNORM;
|
}
|
}
|
|
|
/* Connection-based need to check for termination and startup */
|
/* Connection-based need to check for termination and startup */
|
switch (sk->type) {
|
switch (sk->type) {
|
case SOCK_STREAM:
|
case SOCK_STREAM:
|
if (sk->state == TCP_CLOSE) {
|
if (sk->state == TCP_CLOSE) {
|
IRDA_DEBUG(0, "%s(), POLLHUP\n", __FUNCTION__);
|
IRDA_DEBUG(0, "%s(), POLLHUP\n", __FUNCTION__);
|
mask |= POLLHUP;
|
mask |= POLLHUP;
|
}
|
}
|
|
|
if (sk->state == TCP_ESTABLISHED) {
|
if (sk->state == TCP_ESTABLISHED) {
|
if ((self->tx_flow == FLOW_START) &&
|
if ((self->tx_flow == FLOW_START) &&
|
sock_writeable(sk))
|
sock_writeable(sk))
|
{
|
{
|
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
|
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
case SOCK_SEQPACKET:
|
case SOCK_SEQPACKET:
|
if ((self->tx_flow == FLOW_START) &&
|
if ((self->tx_flow == FLOW_START) &&
|
sock_writeable(sk))
|
sock_writeable(sk))
|
{
|
{
|
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
|
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
|
}
|
}
|
break;
|
break;
|
case SOCK_DGRAM:
|
case SOCK_DGRAM:
|
if (sock_writeable(sk))
|
if (sock_writeable(sk))
|
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
|
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
|
break;
|
break;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
return mask;
|
return mask;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_ioctl (sock, cmd, arg)
|
* Function irda_ioctl (sock, cmd, arg)
|
*
|
*
|
*
|
*
|
*
|
*
|
*/
|
*/
|
static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
static int irda_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
|
|
IRDA_DEBUG(4, "%s(), cmd=%#x\n", __FUNCTION__, cmd);
|
IRDA_DEBUG(4, "%s(), cmd=%#x\n", __FUNCTION__, cmd);
|
|
|
switch (cmd) {
|
switch (cmd) {
|
case TIOCOUTQ: {
|
case TIOCOUTQ: {
|
long amount;
|
long amount;
|
amount = sk->sndbuf - atomic_read(&sk->wmem_alloc);
|
amount = sk->sndbuf - atomic_read(&sk->wmem_alloc);
|
if (amount < 0)
|
if (amount < 0)
|
amount = 0;
|
amount = 0;
|
if (put_user(amount, (unsigned int *)arg))
|
if (put_user(amount, (unsigned int *)arg))
|
return -EFAULT;
|
return -EFAULT;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
case TIOCINQ: {
|
case TIOCINQ: {
|
struct sk_buff *skb;
|
struct sk_buff *skb;
|
long amount = 0L;
|
long amount = 0L;
|
/* These two are safe on a single CPU system as only user tasks fiddle here */
|
/* These two are safe on a single CPU system as only user tasks fiddle here */
|
if ((skb = skb_peek(&sk->receive_queue)) != NULL)
|
if ((skb = skb_peek(&sk->receive_queue)) != NULL)
|
amount = skb->len;
|
amount = skb->len;
|
if (put_user(amount, (unsigned int *)arg))
|
if (put_user(amount, (unsigned int *)arg))
|
return -EFAULT;
|
return -EFAULT;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
case SIOCGSTAMP:
|
case SIOCGSTAMP:
|
if (sk != NULL) {
|
if (sk != NULL) {
|
if (sk->stamp.tv_sec == 0)
|
if (sk->stamp.tv_sec == 0)
|
return -ENOENT;
|
return -ENOENT;
|
if (copy_to_user((void *)arg, &sk->stamp,
|
if (copy_to_user((void *)arg, &sk->stamp,
|
sizeof(struct timeval)))
|
sizeof(struct timeval)))
|
return -EFAULT;
|
return -EFAULT;
|
return 0;
|
return 0;
|
}
|
}
|
return -EINVAL;
|
return -EINVAL;
|
|
|
case SIOCGIFADDR:
|
case SIOCGIFADDR:
|
case SIOCSIFADDR:
|
case SIOCSIFADDR:
|
case SIOCGIFDSTADDR:
|
case SIOCGIFDSTADDR:
|
case SIOCSIFDSTADDR:
|
case SIOCSIFDSTADDR:
|
case SIOCGIFBRDADDR:
|
case SIOCGIFBRDADDR:
|
case SIOCSIFBRDADDR:
|
case SIOCSIFBRDADDR:
|
case SIOCGIFNETMASK:
|
case SIOCGIFNETMASK:
|
case SIOCSIFNETMASK:
|
case SIOCSIFNETMASK:
|
case SIOCGIFMETRIC:
|
case SIOCGIFMETRIC:
|
case SIOCSIFMETRIC:
|
case SIOCSIFMETRIC:
|
return -EINVAL;
|
return -EINVAL;
|
default:
|
default:
|
IRDA_DEBUG(1, "%s(), doing device ioctl!\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), doing device ioctl!\n", __FUNCTION__);
|
return dev_ioctl(cmd, (void *) arg);
|
return dev_ioctl(cmd, (void *) arg);
|
}
|
}
|
|
|
/*NOTREACHED*/
|
/*NOTREACHED*/
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_setsockopt (sock, level, optname, optval, optlen)
|
* Function irda_setsockopt (sock, level, optname, optval, optlen)
|
*
|
*
|
* Set some options for the socket
|
* Set some options for the socket
|
*
|
*
|
*/
|
*/
|
static int irda_setsockopt(struct socket *sock, int level, int optname,
|
static int irda_setsockopt(struct socket *sock, int level, int optname,
|
char *optval, int optlen)
|
char *optval, int optlen)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct irda_ias_set *ias_opt;
|
struct irda_ias_set *ias_opt;
|
struct ias_object *ias_obj;
|
struct ias_object *ias_obj;
|
struct ias_attrib * ias_attr; /* Attribute in IAS object */
|
struct ias_attrib * ias_attr; /* Attribute in IAS object */
|
int opt;
|
int opt;
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
ASSERT(self != NULL, return -1;);
|
ASSERT(self != NULL, return -1;);
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
if (level != SOL_IRLMP)
|
if (level != SOL_IRLMP)
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
|
|
switch (optname) {
|
switch (optname) {
|
case IRLMP_IAS_SET:
|
case IRLMP_IAS_SET:
|
/* The user want to add an attribute to an existing IAS object
|
/* The user want to add an attribute to an existing IAS object
|
* (in the IAS database) or to create a new object with this
|
* (in the IAS database) or to create a new object with this
|
* attribute.
|
* attribute.
|
* We first query IAS to know if the object exist, and then
|
* We first query IAS to know if the object exist, and then
|
* create the right attribute...
|
* create the right attribute...
|
*/
|
*/
|
|
|
if (optlen != sizeof(struct irda_ias_set))
|
if (optlen != sizeof(struct irda_ias_set))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
if (ias_opt == NULL)
|
if (ias_opt == NULL)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
/* Copy query to the driver. */
|
/* Copy query to the driver. */
|
if (copy_from_user(ias_opt, (char *)optval, optlen)) {
|
if (copy_from_user(ias_opt, (char *)optval, optlen)) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EFAULT;
|
return -EFAULT;
|
}
|
}
|
|
|
/* Find the object we target.
|
/* Find the object we target.
|
* If the user gives us an empty string, we use the object
|
* If the user gives us an empty string, we use the object
|
* associated with this socket. This will workaround
|
* associated with this socket. This will workaround
|
* duplicated class name - Jean II */
|
* duplicated class name - Jean II */
|
if(ias_opt->irda_class_name[0] == '\0') {
|
if(ias_opt->irda_class_name[0] == '\0') {
|
if(self->ias_obj == NULL) {
|
if(self->ias_obj == NULL) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
ias_obj = self->ias_obj;
|
ias_obj = self->ias_obj;
|
} else
|
} else
|
ias_obj = irias_find_object(ias_opt->irda_class_name);
|
ias_obj = irias_find_object(ias_opt->irda_class_name);
|
|
|
/* Only ROOT can mess with the global IAS database.
|
/* Only ROOT can mess with the global IAS database.
|
* Users can only add attributes to the object associated
|
* Users can only add attributes to the object associated
|
* with the socket they own - Jean II */
|
* with the socket they own - Jean II */
|
if((!capable(CAP_NET_ADMIN)) &&
|
if((!capable(CAP_NET_ADMIN)) &&
|
((ias_obj == NULL) || (ias_obj != self->ias_obj))) {
|
((ias_obj == NULL) || (ias_obj != self->ias_obj))) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EPERM;
|
return -EPERM;
|
}
|
}
|
|
|
/* If the object doesn't exist, create it */
|
/* If the object doesn't exist, create it */
|
if(ias_obj == (struct ias_object *) NULL) {
|
if(ias_obj == (struct ias_object *) NULL) {
|
/* Create a new object */
|
/* Create a new object */
|
ias_obj = irias_new_object(ias_opt->irda_class_name,
|
ias_obj = irias_new_object(ias_opt->irda_class_name,
|
jiffies);
|
jiffies);
|
}
|
}
|
|
|
/* Do we have the attribute already ? */
|
/* Do we have the attribute already ? */
|
if(irias_find_attrib(ias_obj, ias_opt->irda_attrib_name)) {
|
if(irias_find_attrib(ias_obj, ias_opt->irda_attrib_name)) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
/* Look at the type */
|
/* Look at the type */
|
switch(ias_opt->irda_attrib_type) {
|
switch(ias_opt->irda_attrib_type) {
|
case IAS_INTEGER:
|
case IAS_INTEGER:
|
/* Add an integer attribute */
|
/* Add an integer attribute */
|
irias_add_integer_attrib(
|
irias_add_integer_attrib(
|
ias_obj,
|
ias_obj,
|
ias_opt->irda_attrib_name,
|
ias_opt->irda_attrib_name,
|
ias_opt->attribute.irda_attrib_int,
|
ias_opt->attribute.irda_attrib_int,
|
IAS_USER_ATTR);
|
IAS_USER_ATTR);
|
break;
|
break;
|
case IAS_OCT_SEQ:
|
case IAS_OCT_SEQ:
|
/* Check length */
|
/* Check length */
|
if(ias_opt->attribute.irda_attrib_octet_seq.len >
|
if(ias_opt->attribute.irda_attrib_octet_seq.len >
|
IAS_MAX_OCTET_STRING) {
|
IAS_MAX_OCTET_STRING) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
/* Add an octet sequence attribute */
|
/* Add an octet sequence attribute */
|
irias_add_octseq_attrib(
|
irias_add_octseq_attrib(
|
ias_obj,
|
ias_obj,
|
ias_opt->irda_attrib_name,
|
ias_opt->irda_attrib_name,
|
ias_opt->attribute.irda_attrib_octet_seq.octet_seq,
|
ias_opt->attribute.irda_attrib_octet_seq.octet_seq,
|
ias_opt->attribute.irda_attrib_octet_seq.len,
|
ias_opt->attribute.irda_attrib_octet_seq.len,
|
IAS_USER_ATTR);
|
IAS_USER_ATTR);
|
break;
|
break;
|
case IAS_STRING:
|
case IAS_STRING:
|
/* Should check charset & co */
|
/* Should check charset & co */
|
/* Check length */
|
/* Check length */
|
if(ias_opt->attribute.irda_attrib_string.len >
|
if(ias_opt->attribute.irda_attrib_string.len >
|
IAS_MAX_STRING) {
|
IAS_MAX_STRING) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
/* NULL terminate the string (avoid troubles) */
|
/* NULL terminate the string (avoid troubles) */
|
ias_opt->attribute.irda_attrib_string.string[ias_opt->attribute.irda_attrib_string.len] = '\0';
|
ias_opt->attribute.irda_attrib_string.string[ias_opt->attribute.irda_attrib_string.len] = '\0';
|
/* Add a string attribute */
|
/* Add a string attribute */
|
irias_add_string_attrib(
|
irias_add_string_attrib(
|
ias_obj,
|
ias_obj,
|
ias_opt->irda_attrib_name,
|
ias_opt->irda_attrib_name,
|
ias_opt->attribute.irda_attrib_string.string,
|
ias_opt->attribute.irda_attrib_string.string,
|
IAS_USER_ATTR);
|
IAS_USER_ATTR);
|
break;
|
break;
|
default :
|
default :
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
irias_insert_object(ias_obj);
|
irias_insert_object(ias_obj);
|
kfree(ias_opt);
|
kfree(ias_opt);
|
break;
|
break;
|
case IRLMP_IAS_DEL:
|
case IRLMP_IAS_DEL:
|
/* The user want to delete an object from our local IAS
|
/* The user want to delete an object from our local IAS
|
* database. We just need to query the IAS, check is the
|
* database. We just need to query the IAS, check is the
|
* object is not owned by the kernel and delete it.
|
* object is not owned by the kernel and delete it.
|
*/
|
*/
|
|
|
if (optlen != sizeof(struct irda_ias_set))
|
if (optlen != sizeof(struct irda_ias_set))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
if (ias_opt == NULL)
|
if (ias_opt == NULL)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
/* Copy query to the driver. */
|
/* Copy query to the driver. */
|
if (copy_from_user(ias_opt, (char *)optval, optlen)) {
|
if (copy_from_user(ias_opt, (char *)optval, optlen)) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EFAULT;
|
return -EFAULT;
|
}
|
}
|
|
|
/* Find the object we target.
|
/* Find the object we target.
|
* If the user gives us an empty string, we use the object
|
* If the user gives us an empty string, we use the object
|
* associated with this socket. This will workaround
|
* associated with this socket. This will workaround
|
* duplicated class name - Jean II */
|
* duplicated class name - Jean II */
|
if(ias_opt->irda_class_name[0] == '\0')
|
if(ias_opt->irda_class_name[0] == '\0')
|
ias_obj = self->ias_obj;
|
ias_obj = self->ias_obj;
|
else
|
else
|
ias_obj = irias_find_object(ias_opt->irda_class_name);
|
ias_obj = irias_find_object(ias_opt->irda_class_name);
|
if(ias_obj == (struct ias_object *) NULL) {
|
if(ias_obj == (struct ias_object *) NULL) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
/* Only ROOT can mess with the global IAS database.
|
/* Only ROOT can mess with the global IAS database.
|
* Users can only del attributes from the object associated
|
* Users can only del attributes from the object associated
|
* with the socket they own - Jean II */
|
* with the socket they own - Jean II */
|
if((!capable(CAP_NET_ADMIN)) &&
|
if((!capable(CAP_NET_ADMIN)) &&
|
((ias_obj == NULL) || (ias_obj != self->ias_obj))) {
|
((ias_obj == NULL) || (ias_obj != self->ias_obj))) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EPERM;
|
return -EPERM;
|
}
|
}
|
|
|
/* Find the attribute (in the object) we target */
|
/* Find the attribute (in the object) we target */
|
ias_attr = irias_find_attrib(ias_obj,
|
ias_attr = irias_find_attrib(ias_obj,
|
ias_opt->irda_attrib_name);
|
ias_opt->irda_attrib_name);
|
if(ias_attr == (struct ias_attrib *) NULL) {
|
if(ias_attr == (struct ias_attrib *) NULL) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
/* Check is the user space own the object */
|
/* Check is the user space own the object */
|
if(ias_attr->value->owner != IAS_USER_ATTR) {
|
if(ias_attr->value->owner != IAS_USER_ATTR) {
|
IRDA_DEBUG(1, "%s(), attempting to delete a kernel attribute\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), attempting to delete a kernel attribute\n", __FUNCTION__);
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EPERM;
|
return -EPERM;
|
}
|
}
|
|
|
/* Remove the attribute (and maybe the object) */
|
/* Remove the attribute (and maybe the object) */
|
irias_delete_attrib(ias_obj, ias_attr);
|
irias_delete_attrib(ias_obj, ias_attr);
|
kfree(ias_opt);
|
kfree(ias_opt);
|
break;
|
break;
|
case IRLMP_MAX_SDU_SIZE:
|
case IRLMP_MAX_SDU_SIZE:
|
if (optlen < sizeof(int))
|
if (optlen < sizeof(int))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (get_user(opt, (int *)optval))
|
if (get_user(opt, (int *)optval))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
/* Only possible for a seqpacket service (TTP with SAR) */
|
/* Only possible for a seqpacket service (TTP with SAR) */
|
if (sk->type != SOCK_SEQPACKET) {
|
if (sk->type != SOCK_SEQPACKET) {
|
IRDA_DEBUG(2, "%s(), setting max_sdu_size = %d\n", __FUNCTION__, opt);
|
IRDA_DEBUG(2, "%s(), setting max_sdu_size = %d\n", __FUNCTION__, opt);
|
self->max_sdu_size_rx = opt;
|
self->max_sdu_size_rx = opt;
|
} else {
|
} else {
|
WARNING("%s(), not allowed to set MAXSDUSIZE for this "
|
WARNING("%s(), not allowed to set MAXSDUSIZE for this "
|
"socket type!\n", __FUNCTION__);
|
"socket type!\n", __FUNCTION__);
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
}
|
}
|
break;
|
break;
|
case IRLMP_HINTS_SET:
|
case IRLMP_HINTS_SET:
|
if (optlen < sizeof(int))
|
if (optlen < sizeof(int))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (get_user(opt, (int *)optval))
|
if (get_user(opt, (int *)optval))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
/* Unregister any old registration */
|
/* Unregister any old registration */
|
if (self->skey)
|
if (self->skey)
|
irlmp_unregister_service(self->skey);
|
irlmp_unregister_service(self->skey);
|
|
|
self->skey = irlmp_register_service((__u16) opt);
|
self->skey = irlmp_register_service((__u16) opt);
|
break;
|
break;
|
case IRLMP_HINT_MASK_SET:
|
case IRLMP_HINT_MASK_SET:
|
/* As opposed to the previous case which set the hint bits
|
/* As opposed to the previous case which set the hint bits
|
* that we advertise, this one set the filter we use when
|
* that we advertise, this one set the filter we use when
|
* making a discovery (nodes which don't match any hint
|
* making a discovery (nodes which don't match any hint
|
* bit in the mask are not reported).
|
* bit in the mask are not reported).
|
*/
|
*/
|
if (optlen < sizeof(int))
|
if (optlen < sizeof(int))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
if (get_user(opt, (int *)optval))
|
if (get_user(opt, (int *)optval))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
/* Set the new hint mask */
|
/* Set the new hint mask */
|
self->mask = (__u16) opt;
|
self->mask = (__u16) opt;
|
/* Mask out extension bits */
|
/* Mask out extension bits */
|
self->mask &= 0x7f7f;
|
self->mask &= 0x7f7f;
|
/* Check if no bits */
|
/* Check if no bits */
|
if(!self->mask)
|
if(!self->mask)
|
self->mask = 0xFFFF;
|
self->mask = 0xFFFF;
|
|
|
break;
|
break;
|
default:
|
default:
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_extract_ias_value(ias_opt, ias_value)
|
* Function irda_extract_ias_value(ias_opt, ias_value)
|
*
|
*
|
* Translate internal IAS value structure to the user space representation
|
* Translate internal IAS value structure to the user space representation
|
*
|
*
|
* The external representation of IAS values, as we exchange them with
|
* The external representation of IAS values, as we exchange them with
|
* user space program is quite different from the internal representation,
|
* user space program is quite different from the internal representation,
|
* as stored in the IAS database (because we need a flat structure for
|
* as stored in the IAS database (because we need a flat structure for
|
* crossing kernel boundary).
|
* crossing kernel boundary).
|
* This function transform the former in the latter. We also check
|
* This function transform the former in the latter. We also check
|
* that the value type is valid.
|
* that the value type is valid.
|
*/
|
*/
|
static int irda_extract_ias_value(struct irda_ias_set *ias_opt,
|
static int irda_extract_ias_value(struct irda_ias_set *ias_opt,
|
struct ias_value *ias_value)
|
struct ias_value *ias_value)
|
{
|
{
|
/* Look at the type */
|
/* Look at the type */
|
switch (ias_value->type) {
|
switch (ias_value->type) {
|
case IAS_INTEGER:
|
case IAS_INTEGER:
|
/* Copy the integer */
|
/* Copy the integer */
|
ias_opt->attribute.irda_attrib_int = ias_value->t.integer;
|
ias_opt->attribute.irda_attrib_int = ias_value->t.integer;
|
break;
|
break;
|
case IAS_OCT_SEQ:
|
case IAS_OCT_SEQ:
|
/* Set length */
|
/* Set length */
|
ias_opt->attribute.irda_attrib_octet_seq.len = ias_value->len;
|
ias_opt->attribute.irda_attrib_octet_seq.len = ias_value->len;
|
/* Copy over */
|
/* Copy over */
|
memcpy(ias_opt->attribute.irda_attrib_octet_seq.octet_seq,
|
memcpy(ias_opt->attribute.irda_attrib_octet_seq.octet_seq,
|
ias_value->t.oct_seq, ias_value->len);
|
ias_value->t.oct_seq, ias_value->len);
|
break;
|
break;
|
case IAS_STRING:
|
case IAS_STRING:
|
/* Set length */
|
/* Set length */
|
ias_opt->attribute.irda_attrib_string.len = ias_value->len;
|
ias_opt->attribute.irda_attrib_string.len = ias_value->len;
|
ias_opt->attribute.irda_attrib_string.charset = ias_value->charset;
|
ias_opt->attribute.irda_attrib_string.charset = ias_value->charset;
|
/* Copy over */
|
/* Copy over */
|
memcpy(ias_opt->attribute.irda_attrib_string.string,
|
memcpy(ias_opt->attribute.irda_attrib_string.string,
|
ias_value->t.string, ias_value->len);
|
ias_value->t.string, ias_value->len);
|
/* NULL terminate the string (avoid troubles) */
|
/* NULL terminate the string (avoid troubles) */
|
ias_opt->attribute.irda_attrib_string.string[ias_value->len] = '\0';
|
ias_opt->attribute.irda_attrib_string.string[ias_value->len] = '\0';
|
break;
|
break;
|
case IAS_MISSING:
|
case IAS_MISSING:
|
default :
|
default :
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
/* Copy type over */
|
/* Copy type over */
|
ias_opt->irda_attrib_type = ias_value->type;
|
ias_opt->irda_attrib_type = ias_value->type;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_getsockopt (sock, level, optname, optval, optlen)
|
* Function irda_getsockopt (sock, level, optname, optval, optlen)
|
*
|
*
|
*
|
*
|
*
|
*
|
*/
|
*/
|
static int irda_getsockopt(struct socket *sock, int level, int optname,
|
static int irda_getsockopt(struct socket *sock, int level, int optname,
|
char *optval, int *optlen)
|
char *optval, int *optlen)
|
{
|
{
|
struct sock *sk = sock->sk;
|
struct sock *sk = sock->sk;
|
struct irda_sock *self;
|
struct irda_sock *self;
|
struct irda_device_list list;
|
struct irda_device_list list;
|
struct irda_device_info *discoveries;
|
struct irda_device_info *discoveries;
|
struct irda_ias_set * ias_opt; /* IAS get/query params */
|
struct irda_ias_set * ias_opt; /* IAS get/query params */
|
struct ias_object * ias_obj; /* Object in IAS */
|
struct ias_object * ias_obj; /* Object in IAS */
|
struct ias_attrib * ias_attr; /* Attribute in IAS object */
|
struct ias_attrib * ias_attr; /* Attribute in IAS object */
|
int daddr = DEV_ADDR_ANY; /* Dest address for IAS queries */
|
int daddr = DEV_ADDR_ANY; /* Dest address for IAS queries */
|
int val = 0;
|
int val = 0;
|
int len = 0;
|
int len = 0;
|
int err;
|
int err;
|
int offset, total;
|
int offset, total;
|
|
|
self = sk->protinfo.irda;
|
self = sk->protinfo.irda;
|
|
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
IRDA_DEBUG(2, "%s(%p)\n", __FUNCTION__, self);
|
|
|
if (level != SOL_IRLMP)
|
if (level != SOL_IRLMP)
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
|
|
if (get_user(len, optlen))
|
if (get_user(len, optlen))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
if(len < 0)
|
if(len < 0)
|
return -EINVAL;
|
return -EINVAL;
|
|
|
switch (optname) {
|
switch (optname) {
|
case IRLMP_ENUMDEVICES:
|
case IRLMP_ENUMDEVICES:
|
/* Ask lmp for the current discovery log */
|
/* Ask lmp for the current discovery log */
|
discoveries = irlmp_get_discoveries(&list.len, self->mask,
|
discoveries = irlmp_get_discoveries(&list.len, self->mask,
|
self->nslots);
|
self->nslots);
|
/* Check if the we got some results */
|
/* Check if the we got some results */
|
if (discoveries == NULL)
|
if (discoveries == NULL)
|
return -EAGAIN; /* Didn't find any devices */
|
return -EAGAIN; /* Didn't find any devices */
|
err = 0;
|
err = 0;
|
|
|
/* Write total list length back to client */
|
/* Write total list length back to client */
|
if (copy_to_user(optval, &list,
|
if (copy_to_user(optval, &list,
|
sizeof(struct irda_device_list) -
|
sizeof(struct irda_device_list) -
|
sizeof(struct irda_device_info)))
|
sizeof(struct irda_device_info)))
|
err = -EFAULT;
|
err = -EFAULT;
|
|
|
/* Offset to first device entry */
|
/* Offset to first device entry */
|
offset = sizeof(struct irda_device_list) -
|
offset = sizeof(struct irda_device_list) -
|
sizeof(struct irda_device_info);
|
sizeof(struct irda_device_info);
|
|
|
/* Copy the list itself - watch for overflow */
|
/* Copy the list itself - watch for overflow */
|
if(list.len > 2048)
|
if(list.len > 2048)
|
{
|
{
|
err = -EINVAL;
|
err = -EINVAL;
|
goto bed;
|
goto bed;
|
}
|
}
|
total = offset + (list.len * sizeof(struct irda_device_info));
|
total = offset + (list.len * sizeof(struct irda_device_info));
|
if (total > len)
|
if (total > len)
|
total = len;
|
total = len;
|
if (copy_to_user(optval+offset, discoveries, total - offset))
|
if (copy_to_user(optval+offset, discoveries, total - offset))
|
err = -EFAULT;
|
err = -EFAULT;
|
|
|
/* Write total number of bytes used back to client */
|
/* Write total number of bytes used back to client */
|
if (put_user(total, optlen))
|
if (put_user(total, optlen))
|
err = -EFAULT;
|
err = -EFAULT;
|
bed:
|
bed:
|
/* Free up our buffer */
|
/* Free up our buffer */
|
kfree(discoveries);
|
kfree(discoveries);
|
if (err)
|
if (err)
|
return err;
|
return err;
|
break;
|
break;
|
case IRLMP_MAX_SDU_SIZE:
|
case IRLMP_MAX_SDU_SIZE:
|
val = self->max_data_size;
|
val = self->max_data_size;
|
len = sizeof(int);
|
len = sizeof(int);
|
if (put_user(len, optlen))
|
if (put_user(len, optlen))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
if (copy_to_user(optval, &val, len))
|
if (copy_to_user(optval, &val, len))
|
return -EFAULT;
|
return -EFAULT;
|
break;
|
break;
|
case IRLMP_IAS_GET:
|
case IRLMP_IAS_GET:
|
/* The user want an object from our local IAS database.
|
/* The user want an object from our local IAS database.
|
* We just need to query the IAS and return the value
|
* We just need to query the IAS and return the value
|
* that we found */
|
* that we found */
|
|
|
/* Check that the user has allocated the right space for us */
|
/* Check that the user has allocated the right space for us */
|
if (len != sizeof(struct irda_ias_set))
|
if (len != sizeof(struct irda_ias_set))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
if (ias_opt == NULL)
|
if (ias_opt == NULL)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
/* Copy query to the driver. */
|
/* Copy query to the driver. */
|
if (copy_from_user((char *) ias_opt, (char *)optval, len)) {
|
if (copy_from_user((char *) ias_opt, (char *)optval, len)) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EFAULT;
|
return -EFAULT;
|
}
|
}
|
|
|
/* Find the object we target.
|
/* Find the object we target.
|
* If the user gives us an empty string, we use the object
|
* If the user gives us an empty string, we use the object
|
* associated with this socket. This will workaround
|
* associated with this socket. This will workaround
|
* duplicated class name - Jean II */
|
* duplicated class name - Jean II */
|
if(ias_opt->irda_class_name[0] == '\0')
|
if(ias_opt->irda_class_name[0] == '\0')
|
ias_obj = self->ias_obj;
|
ias_obj = self->ias_obj;
|
else
|
else
|
ias_obj = irias_find_object(ias_opt->irda_class_name);
|
ias_obj = irias_find_object(ias_opt->irda_class_name);
|
if(ias_obj == (struct ias_object *) NULL) {
|
if(ias_obj == (struct ias_object *) NULL) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
/* Find the attribute (in the object) we target */
|
/* Find the attribute (in the object) we target */
|
ias_attr = irias_find_attrib(ias_obj,
|
ias_attr = irias_find_attrib(ias_obj,
|
ias_opt->irda_attrib_name);
|
ias_opt->irda_attrib_name);
|
if(ias_attr == (struct ias_attrib *) NULL) {
|
if(ias_attr == (struct ias_attrib *) NULL) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
|
|
/* Translate from internal to user structure */
|
/* Translate from internal to user structure */
|
err = irda_extract_ias_value(ias_opt, ias_attr->value);
|
err = irda_extract_ias_value(ias_opt, ias_attr->value);
|
if(err) {
|
if(err) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return err;
|
return err;
|
}
|
}
|
|
|
/* Copy reply to the user */
|
/* Copy reply to the user */
|
if (copy_to_user((char *)optval, (char *) ias_opt,
|
if (copy_to_user((char *)optval, (char *) ias_opt,
|
sizeof(struct irda_ias_set))) {
|
sizeof(struct irda_ias_set))) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EFAULT;
|
return -EFAULT;
|
}
|
}
|
/* Note : don't need to put optlen, we checked it */
|
/* Note : don't need to put optlen, we checked it */
|
kfree(ias_opt);
|
kfree(ias_opt);
|
break;
|
break;
|
case IRLMP_IAS_QUERY:
|
case IRLMP_IAS_QUERY:
|
/* The user want an object from a remote IAS database.
|
/* The user want an object from a remote IAS database.
|
* We need to use IAP to query the remote database and
|
* We need to use IAP to query the remote database and
|
* then wait for the answer to come back. */
|
* then wait for the answer to come back. */
|
|
|
/* Check that the user has allocated the right space for us */
|
/* Check that the user has allocated the right space for us */
|
if (len != sizeof(struct irda_ias_set))
|
if (len != sizeof(struct irda_ias_set))
|
return -EINVAL;
|
return -EINVAL;
|
|
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
ias_opt = kmalloc(sizeof(struct irda_ias_set), GFP_ATOMIC);
|
if (ias_opt == NULL)
|
if (ias_opt == NULL)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
/* Copy query to the driver. */
|
/* Copy query to the driver. */
|
if (copy_from_user((char *) ias_opt, (char *)optval, len)) {
|
if (copy_from_user((char *) ias_opt, (char *)optval, len)) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EFAULT;
|
return -EFAULT;
|
}
|
}
|
|
|
/* At this point, there are two cases...
|
/* At this point, there are two cases...
|
* 1) the socket is connected - that's the easy case, we
|
* 1) the socket is connected - that's the easy case, we
|
* just query the device we are connected to...
|
* just query the device we are connected to...
|
* 2) the socket is not connected - the user doesn't want
|
* 2) the socket is not connected - the user doesn't want
|
* to connect and/or may not have a valid service name
|
* to connect and/or may not have a valid service name
|
* (so can't create a fake connection). In this case,
|
* (so can't create a fake connection). In this case,
|
* we assume that the user pass us a valid destination
|
* we assume that the user pass us a valid destination
|
* address in the requesting structure...
|
* address in the requesting structure...
|
*/
|
*/
|
if(self->daddr != DEV_ADDR_ANY) {
|
if(self->daddr != DEV_ADDR_ANY) {
|
/* We are connected - reuse known daddr */
|
/* We are connected - reuse known daddr */
|
daddr = self->daddr;
|
daddr = self->daddr;
|
} else {
|
} else {
|
/* We are not connected, we must specify a valid
|
/* We are not connected, we must specify a valid
|
* destination address */
|
* destination address */
|
daddr = ias_opt->daddr;
|
daddr = ias_opt->daddr;
|
if((!daddr) || (daddr == DEV_ADDR_ANY)) {
|
if((!daddr) || (daddr == DEV_ADDR_ANY)) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EINVAL;
|
return -EINVAL;
|
}
|
}
|
}
|
}
|
|
|
/* Check that we can proceed with IAP */
|
/* Check that we can proceed with IAP */
|
if (self->iriap) {
|
if (self->iriap) {
|
WARNING("%s(), busy with a previous query\n", __FUNCTION__);
|
WARNING("%s(), busy with a previous query\n", __FUNCTION__);
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EBUSY;
|
return -EBUSY;
|
}
|
}
|
|
|
self->iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self,
|
self->iriap = iriap_open(LSAP_ANY, IAS_CLIENT, self,
|
irda_getvalue_confirm);
|
irda_getvalue_confirm);
|
|
|
/* Treat unexpected signals as disconnect */
|
/* Treat unexpected signals as disconnect */
|
self->errno = -EHOSTUNREACH;
|
self->errno = -EHOSTUNREACH;
|
|
|
/* Query remote LM-IAS */
|
/* Query remote LM-IAS */
|
iriap_getvaluebyclass_request(self->iriap,
|
iriap_getvaluebyclass_request(self->iriap,
|
self->saddr, daddr,
|
self->saddr, daddr,
|
ias_opt->irda_class_name,
|
ias_opt->irda_class_name,
|
ias_opt->irda_attrib_name);
|
ias_opt->irda_attrib_name);
|
/* Wait for answer (if not already failed) */
|
/* Wait for answer (if not already failed) */
|
if(self->iriap != NULL)
|
if(self->iriap != NULL)
|
interruptible_sleep_on(&self->query_wait);
|
interruptible_sleep_on(&self->query_wait);
|
/* Check what happened */
|
/* Check what happened */
|
if (self->errno)
|
if (self->errno)
|
{
|
{
|
kfree(ias_opt);
|
kfree(ias_opt);
|
/* Requested object/attribute doesn't exist */
|
/* Requested object/attribute doesn't exist */
|
if((self->errno == IAS_CLASS_UNKNOWN) ||
|
if((self->errno == IAS_CLASS_UNKNOWN) ||
|
(self->errno == IAS_ATTRIB_UNKNOWN))
|
(self->errno == IAS_ATTRIB_UNKNOWN))
|
return (-EADDRNOTAVAIL);
|
return (-EADDRNOTAVAIL);
|
else
|
else
|
return (-EHOSTUNREACH);
|
return (-EHOSTUNREACH);
|
}
|
}
|
|
|
/* Translate from internal to user structure */
|
/* Translate from internal to user structure */
|
err = irda_extract_ias_value(ias_opt, self->ias_result);
|
err = irda_extract_ias_value(ias_opt, self->ias_result);
|
if (self->ias_result)
|
if (self->ias_result)
|
irias_delete_value(self->ias_result);
|
irias_delete_value(self->ias_result);
|
if (err) {
|
if (err) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return err;
|
return err;
|
}
|
}
|
|
|
/* Copy reply to the user */
|
/* Copy reply to the user */
|
if (copy_to_user((char *)optval, (char *) ias_opt,
|
if (copy_to_user((char *)optval, (char *) ias_opt,
|
sizeof(struct irda_ias_set))) {
|
sizeof(struct irda_ias_set))) {
|
kfree(ias_opt);
|
kfree(ias_opt);
|
return -EFAULT;
|
return -EFAULT;
|
}
|
}
|
/* Note : don't need to put optlen, we checked it */
|
/* Note : don't need to put optlen, we checked it */
|
kfree(ias_opt);
|
kfree(ias_opt);
|
break;
|
break;
|
case IRLMP_WAITDEVICE:
|
case IRLMP_WAITDEVICE:
|
/* This function is just another way of seeing life ;-)
|
/* This function is just another way of seeing life ;-)
|
* IRLMP_ENUMDEVICES assumes that you have a static network,
|
* IRLMP_ENUMDEVICES assumes that you have a static network,
|
* and that you just want to pick one of the devices present.
|
* and that you just want to pick one of the devices present.
|
* On the other hand, in here we assume that no device is
|
* On the other hand, in here we assume that no device is
|
* present and that at some point in the future a device will
|
* present and that at some point in the future a device will
|
* come into range. When this device arrive, we just wake
|
* come into range. When this device arrive, we just wake
|
* up the caller, so that he has time to connect to it before
|
* up the caller, so that he has time to connect to it before
|
* the device goes away...
|
* the device goes away...
|
* Note : once the node has been discovered for more than a
|
* Note : once the node has been discovered for more than a
|
* few second, it won't trigger this function, unless it
|
* few second, it won't trigger this function, unless it
|
* goes away and come back changes its hint bits (so we
|
* goes away and come back changes its hint bits (so we
|
* might call it IRLMP_WAITNEWDEVICE).
|
* might call it IRLMP_WAITNEWDEVICE).
|
*/
|
*/
|
|
|
/* Check that the user is passing us an int */
|
/* Check that the user is passing us an int */
|
if (len != sizeof(int))
|
if (len != sizeof(int))
|
return -EINVAL;
|
return -EINVAL;
|
/* Get timeout in ms (max time we block the caller) */
|
/* Get timeout in ms (max time we block the caller) */
|
if (get_user(val, (int *)optval))
|
if (get_user(val, (int *)optval))
|
return -EFAULT;
|
return -EFAULT;
|
|
|
/* Tell IrLMP we want to be notified */
|
/* Tell IrLMP we want to be notified */
|
irlmp_update_client(self->ckey, self->mask,
|
irlmp_update_client(self->ckey, self->mask,
|
irda_selective_discovery_indication,
|
irda_selective_discovery_indication,
|
NULL, (void *) self);
|
NULL, (void *) self);
|
|
|
/* Do some discovery (and also return cached results) */
|
/* Do some discovery (and also return cached results) */
|
irlmp_discovery_request(self->nslots);
|
irlmp_discovery_request(self->nslots);
|
|
|
/* Wait until a node is discovered */
|
/* Wait until a node is discovered */
|
if (!self->cachediscovery) {
|
if (!self->cachediscovery) {
|
IRDA_DEBUG(1, "%s(), nothing discovered yet, going to sleep...\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), nothing discovered yet, going to sleep...\n", __FUNCTION__);
|
|
|
/* Set watchdog timer to expire in <val> ms. */
|
/* Set watchdog timer to expire in <val> ms. */
|
self->watchdog.function = irda_discovery_timeout;
|
self->watchdog.function = irda_discovery_timeout;
|
self->watchdog.data = (unsigned long) self;
|
self->watchdog.data = (unsigned long) self;
|
self->watchdog.expires = jiffies + (val * HZ/1000);
|
self->watchdog.expires = jiffies + (val * HZ/1000);
|
add_timer(&(self->watchdog));
|
add_timer(&(self->watchdog));
|
|
|
/* Wait for IR-LMP to call us back */
|
/* Wait for IR-LMP to call us back */
|
interruptible_sleep_on(&self->query_wait);
|
interruptible_sleep_on(&self->query_wait);
|
|
|
/* If watchdog is still activated, kill it! */
|
/* If watchdog is still activated, kill it! */
|
if(timer_pending(&(self->watchdog)))
|
if(timer_pending(&(self->watchdog)))
|
del_timer(&(self->watchdog));
|
del_timer(&(self->watchdog));
|
|
|
IRDA_DEBUG(1, "%s(), ...waking up !\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), ...waking up !\n", __FUNCTION__);
|
}
|
}
|
else
|
else
|
IRDA_DEBUG(1, "%s(), found immediately !\n", __FUNCTION__);
|
IRDA_DEBUG(1, "%s(), found immediately !\n", __FUNCTION__);
|
|
|
/* Tell IrLMP that we have been notified */
|
/* Tell IrLMP that we have been notified */
|
irlmp_update_client(self->ckey, self->mask, NULL, NULL, NULL);
|
irlmp_update_client(self->ckey, self->mask, NULL, NULL, NULL);
|
|
|
/* Check if the we got some results */
|
/* Check if the we got some results */
|
if (!self->cachediscovery)
|
if (!self->cachediscovery)
|
return -EAGAIN; /* Didn't find any devices */
|
return -EAGAIN; /* Didn't find any devices */
|
/* Cleanup */
|
/* Cleanup */
|
self->cachediscovery = NULL;
|
self->cachediscovery = NULL;
|
|
|
/* Note : We don't return anything to the user.
|
/* Note : We don't return anything to the user.
|
* We could return the device that triggered the wake up,
|
* We could return the device that triggered the wake up,
|
* but it's probably better to force the user to query
|
* but it's probably better to force the user to query
|
* the whole discovery log and let him pick one device...
|
* the whole discovery log and let him pick one device...
|
*/
|
*/
|
break;
|
break;
|
default:
|
default:
|
return -ENOPROTOOPT;
|
return -ENOPROTOOPT;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static struct net_proto_family irda_family_ops =
|
static struct net_proto_family irda_family_ops =
|
{
|
{
|
PF_IRDA,
|
PF_IRDA,
|
irda_create
|
irda_create
|
};
|
};
|
|
|
static struct proto_ops SOCKOPS_WRAPPED(irda_stream_ops) = {
|
static struct proto_ops SOCKOPS_WRAPPED(irda_stream_ops) = {
|
family: PF_IRDA,
|
family: PF_IRDA,
|
|
|
release: irda_release,
|
release: irda_release,
|
bind: irda_bind,
|
bind: irda_bind,
|
connect: irda_connect,
|
connect: irda_connect,
|
socketpair: sock_no_socketpair,
|
socketpair: sock_no_socketpair,
|
accept: irda_accept,
|
accept: irda_accept,
|
getname: irda_getname,
|
getname: irda_getname,
|
poll: irda_poll,
|
poll: irda_poll,
|
ioctl: irda_ioctl,
|
ioctl: irda_ioctl,
|
listen: irda_listen,
|
listen: irda_listen,
|
shutdown: irda_shutdown,
|
shutdown: irda_shutdown,
|
setsockopt: irda_setsockopt,
|
setsockopt: irda_setsockopt,
|
getsockopt: irda_getsockopt,
|
getsockopt: irda_getsockopt,
|
sendmsg: irda_sendmsg,
|
sendmsg: irda_sendmsg,
|
recvmsg: irda_recvmsg_stream,
|
recvmsg: irda_recvmsg_stream,
|
mmap: sock_no_mmap,
|
mmap: sock_no_mmap,
|
sendpage: sock_no_sendpage,
|
sendpage: sock_no_sendpage,
|
};
|
};
|
|
|
static struct proto_ops SOCKOPS_WRAPPED(irda_seqpacket_ops) = {
|
static struct proto_ops SOCKOPS_WRAPPED(irda_seqpacket_ops) = {
|
family: PF_IRDA,
|
family: PF_IRDA,
|
|
|
release: irda_release,
|
release: irda_release,
|
bind: irda_bind,
|
bind: irda_bind,
|
connect: irda_connect,
|
connect: irda_connect,
|
socketpair: sock_no_socketpair,
|
socketpair: sock_no_socketpair,
|
accept: irda_accept,
|
accept: irda_accept,
|
getname: irda_getname,
|
getname: irda_getname,
|
poll: datagram_poll,
|
poll: datagram_poll,
|
ioctl: irda_ioctl,
|
ioctl: irda_ioctl,
|
listen: irda_listen,
|
listen: irda_listen,
|
shutdown: irda_shutdown,
|
shutdown: irda_shutdown,
|
setsockopt: irda_setsockopt,
|
setsockopt: irda_setsockopt,
|
getsockopt: irda_getsockopt,
|
getsockopt: irda_getsockopt,
|
sendmsg: irda_sendmsg,
|
sendmsg: irda_sendmsg,
|
recvmsg: irda_recvmsg_dgram,
|
recvmsg: irda_recvmsg_dgram,
|
mmap: sock_no_mmap,
|
mmap: sock_no_mmap,
|
sendpage: sock_no_sendpage,
|
sendpage: sock_no_sendpage,
|
};
|
};
|
|
|
static struct proto_ops SOCKOPS_WRAPPED(irda_dgram_ops) = {
|
static struct proto_ops SOCKOPS_WRAPPED(irda_dgram_ops) = {
|
family: PF_IRDA,
|
family: PF_IRDA,
|
|
|
release: irda_release,
|
release: irda_release,
|
bind: irda_bind,
|
bind: irda_bind,
|
connect: irda_connect,
|
connect: irda_connect,
|
socketpair: sock_no_socketpair,
|
socketpair: sock_no_socketpair,
|
accept: irda_accept,
|
accept: irda_accept,
|
getname: irda_getname,
|
getname: irda_getname,
|
poll: datagram_poll,
|
poll: datagram_poll,
|
ioctl: irda_ioctl,
|
ioctl: irda_ioctl,
|
listen: irda_listen,
|
listen: irda_listen,
|
shutdown: irda_shutdown,
|
shutdown: irda_shutdown,
|
setsockopt: irda_setsockopt,
|
setsockopt: irda_setsockopt,
|
getsockopt: irda_getsockopt,
|
getsockopt: irda_getsockopt,
|
sendmsg: irda_sendmsg_dgram,
|
sendmsg: irda_sendmsg_dgram,
|
recvmsg: irda_recvmsg_dgram,
|
recvmsg: irda_recvmsg_dgram,
|
mmap: sock_no_mmap,
|
mmap: sock_no_mmap,
|
sendpage: sock_no_sendpage,
|
sendpage: sock_no_sendpage,
|
};
|
};
|
|
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
static struct proto_ops SOCKOPS_WRAPPED(irda_ultra_ops) = {
|
static struct proto_ops SOCKOPS_WRAPPED(irda_ultra_ops) = {
|
family: PF_IRDA,
|
family: PF_IRDA,
|
|
|
release: irda_release,
|
release: irda_release,
|
bind: irda_bind,
|
bind: irda_bind,
|
connect: sock_no_connect,
|
connect: sock_no_connect,
|
socketpair: sock_no_socketpair,
|
socketpair: sock_no_socketpair,
|
accept: sock_no_accept,
|
accept: sock_no_accept,
|
getname: irda_getname,
|
getname: irda_getname,
|
poll: datagram_poll,
|
poll: datagram_poll,
|
ioctl: irda_ioctl,
|
ioctl: irda_ioctl,
|
listen: sock_no_listen,
|
listen: sock_no_listen,
|
shutdown: irda_shutdown,
|
shutdown: irda_shutdown,
|
setsockopt: irda_setsockopt,
|
setsockopt: irda_setsockopt,
|
getsockopt: irda_getsockopt,
|
getsockopt: irda_getsockopt,
|
sendmsg: irda_sendmsg_ultra,
|
sendmsg: irda_sendmsg_ultra,
|
recvmsg: irda_recvmsg_dgram,
|
recvmsg: irda_recvmsg_dgram,
|
mmap: sock_no_mmap,
|
mmap: sock_no_mmap,
|
sendpage: sock_no_sendpage,
|
sendpage: sock_no_sendpage,
|
};
|
};
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
|
|
#include <linux/smp_lock.h>
|
#include <linux/smp_lock.h>
|
SOCKOPS_WRAP(irda_stream, PF_IRDA);
|
SOCKOPS_WRAP(irda_stream, PF_IRDA);
|
SOCKOPS_WRAP(irda_seqpacket, PF_IRDA);
|
SOCKOPS_WRAP(irda_seqpacket, PF_IRDA);
|
SOCKOPS_WRAP(irda_dgram, PF_IRDA);
|
SOCKOPS_WRAP(irda_dgram, PF_IRDA);
|
#ifdef CONFIG_IRDA_ULTRA
|
#ifdef CONFIG_IRDA_ULTRA
|
SOCKOPS_WRAP(irda_ultra, PF_IRDA);
|
SOCKOPS_WRAP(irda_ultra, PF_IRDA);
|
#endif /* CONFIG_IRDA_ULTRA */
|
#endif /* CONFIG_IRDA_ULTRA */
|
|
|
/*
|
/*
|
* Function irda_device_event (this, event, ptr)
|
* Function irda_device_event (this, event, ptr)
|
*
|
*
|
* Called when a device is taken up or down
|
* Called when a device is taken up or down
|
*
|
*
|
*/
|
*/
|
static int irda_device_event(struct notifier_block *this, unsigned long event,
|
static int irda_device_event(struct notifier_block *this, unsigned long event,
|
void *ptr)
|
void *ptr)
|
{
|
{
|
struct net_device *dev = (struct net_device *) ptr;
|
struct net_device *dev = (struct net_device *) ptr;
|
|
|
/* Reject non IrDA devices */
|
/* Reject non IrDA devices */
|
if (dev->type != ARPHRD_IRDA)
|
if (dev->type != ARPHRD_IRDA)
|
return NOTIFY_DONE;
|
return NOTIFY_DONE;
|
|
|
switch (event) {
|
switch (event) {
|
case NETDEV_UP:
|
case NETDEV_UP:
|
IRDA_DEBUG(3, "%s(), NETDEV_UP\n", __FUNCTION__);
|
IRDA_DEBUG(3, "%s(), NETDEV_UP\n", __FUNCTION__);
|
/* irda_dev_device_up(dev); */
|
/* irda_dev_device_up(dev); */
|
break;
|
break;
|
case NETDEV_DOWN:
|
case NETDEV_DOWN:
|
IRDA_DEBUG(3, "%s(), NETDEV_DOWN\n", __FUNCTION__);
|
IRDA_DEBUG(3, "%s(), NETDEV_DOWN\n", __FUNCTION__);
|
/* irda_kill_by_device(dev); */
|
/* irda_kill_by_device(dev); */
|
/* irda_rt_device_down(dev); */
|
/* irda_rt_device_down(dev); */
|
/* irda_dev_device_down(dev); */
|
/* irda_dev_device_down(dev); */
|
break;
|
break;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
return NOTIFY_DONE;
|
return NOTIFY_DONE;
|
}
|
}
|
|
|
static struct packet_type irda_packet_type =
|
static struct packet_type irda_packet_type =
|
{
|
{
|
0, /* MUTTER ntohs(ETH_P_IRDA),*/
|
0, /* MUTTER ntohs(ETH_P_IRDA),*/
|
NULL,
|
NULL,
|
irlap_driver_rcv,
|
irlap_driver_rcv,
|
NULL,
|
NULL,
|
NULL,
|
NULL,
|
};
|
};
|
|
|
static struct notifier_block irda_dev_notifier = {
|
static struct notifier_block irda_dev_notifier = {
|
irda_device_event,
|
irda_device_event,
|
NULL,
|
NULL,
|
0
|
0
|
};
|
};
|
|
|
/*
|
/*
|
* Function irda_proc_modcount (inode, fill)
|
* Function irda_proc_modcount (inode, fill)
|
*
|
*
|
* Use by the proc file system functions to prevent the irda module
|
* Use by the proc file system functions to prevent the irda module
|
* being removed while the use is standing in the net/irda directory
|
* being removed while the use is standing in the net/irda directory
|
*/
|
*/
|
void irda_proc_modcount(struct inode *inode, int fill)
|
void irda_proc_modcount(struct inode *inode, int fill)
|
{
|
{
|
#ifdef MODULE
|
#ifdef MODULE
|
#ifdef CONFIG_PROC_FS
|
#ifdef CONFIG_PROC_FS
|
if (fill)
|
if (fill)
|
MOD_INC_USE_COUNT;
|
MOD_INC_USE_COUNT;
|
else
|
else
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
#endif /* CONFIG_PROC_FS */
|
#endif /* CONFIG_PROC_FS */
|
#endif /* MODULE */
|
#endif /* MODULE */
|
}
|
}
|
|
|
/*
|
/*
|
* Function irda_proto_init (pro)
|
* Function irda_proto_init (pro)
|
*
|
*
|
* Initialize IrDA protocol layer
|
* Initialize IrDA protocol layer
|
*
|
*
|
*/
|
*/
|
int __init irda_proto_init(void)
|
int __init irda_proto_init(void)
|
{
|
{
|
sock_register(&irda_family_ops);
|
sock_register(&irda_family_ops);
|
|
|
irda_packet_type.type = htons(ETH_P_IRDA);
|
irda_packet_type.type = htons(ETH_P_IRDA);
|
dev_add_pack(&irda_packet_type);
|
dev_add_pack(&irda_packet_type);
|
|
|
register_netdevice_notifier(&irda_dev_notifier);
|
register_netdevice_notifier(&irda_dev_notifier);
|
|
|
irda_init();
|
irda_init();
|
#ifdef MODULE
|
#ifdef MODULE
|
irda_device_init(); /* Called by init/main.c when non-modular */
|
irda_device_init(); /* Called by init/main.c when non-modular */
|
#endif
|
#endif
|
return 0;
|
return 0;
|
}
|
}
|
#ifdef MODULE
|
#ifdef MODULE
|
module_init(irda_proto_init); /* If non-module, called from init/main.c */
|
module_init(irda_proto_init); /* If non-module, called from init/main.c */
|
#endif
|
#endif
|
|
|
/*
|
/*
|
* Function irda_proto_cleanup (void)
|
* Function irda_proto_cleanup (void)
|
*
|
*
|
* Remove IrDA protocol layer
|
* Remove IrDA protocol layer
|
*
|
*
|
*/
|
*/
|
#ifdef MODULE
|
#ifdef MODULE
|
void irda_proto_cleanup(void)
|
void irda_proto_cleanup(void)
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{
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{
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irda_packet_type.type = htons(ETH_P_IRDA);
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irda_packet_type.type = htons(ETH_P_IRDA);
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dev_remove_pack(&irda_packet_type);
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dev_remove_pack(&irda_packet_type);
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|
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unregister_netdevice_notifier(&irda_dev_notifier);
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unregister_netdevice_notifier(&irda_dev_notifier);
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sock_unregister(PF_IRDA);
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sock_unregister(PF_IRDA);
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irda_cleanup();
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irda_cleanup();
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return;
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return;
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}
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}
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module_exit(irda_proto_cleanup);
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module_exit(irda_proto_cleanup);
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MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>");
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MODULE_AUTHOR("Dag Brattli <dagb@cs.uit.no>");
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MODULE_DESCRIPTION("The Linux IrDA Protocol Subsystem");
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MODULE_DESCRIPTION("The Linux IrDA Protocol Subsystem");
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MODULE_LICENSE("GPL");
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MODULE_LICENSE("GPL");
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#ifdef CONFIG_IRDA_DEBUG
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#ifdef CONFIG_IRDA_DEBUG
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MODULE_PARM(irda_debug, "1l");
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MODULE_PARM(irda_debug, "1l");
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#endif
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#endif
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#endif /* MODULE */
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#endif /* MODULE */
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