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-rw-r--r--drivers/isdn/capi/Kconfig50
-rw-r--r--drivers/isdn/capi/Makefile1
-rw-r--r--drivers/isdn/capi/capi.c1515
-rw-r--r--drivers/isdn/capi/capidrv.c1317
-rw-r--r--drivers/isdn/capi/capidrv.h42
-rw-r--r--drivers/isdn/capi/capifs.c221
-rw-r--r--drivers/isdn/capi/capifs.h11
-rw-r--r--drivers/isdn/capi/capilib.c17
-rw-r--r--drivers/isdn/capi/capiutil.c722
-rw-r--r--drivers/isdn/capi/kcapi.c1087
-rw-r--r--drivers/isdn/capi/kcapi.h24
-rw-r--r--drivers/isdn/capi/kcapi_proc.c64
12 files changed, 2500 insertions, 2571 deletions
diff --git a/drivers/isdn/capi/Kconfig b/drivers/isdn/capi/Kconfig
index e1afd60924f..7641b3096ea 100644
--- a/drivers/isdn/capi/Kconfig
+++ b/drivers/isdn/capi/Kconfig
@@ -1,14 +1,3 @@
-#
-# Config.in for the CAPI subsystem
-#
-config ISDN_DRV_AVMB1_VERBOSE_REASON
- bool "Verbose reason code reporting"
- default y
- help
- If you say Y here, the CAPI drivers will give verbose reasons for
- disconnecting. This will increase the size of the kernel by 7 KB. If
- unsure, say Y.
-
config CAPI_TRACE
bool "CAPI trace support"
default y
@@ -19,37 +8,23 @@ config CAPI_TRACE
This will increase the size of the kernelcapi module by 20 KB.
If unsure, say Y.
-config ISDN_CAPI_MIDDLEWARE
- bool "CAPI2.0 Middleware support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
- help
- This option will enhance the capabilities of the /dev/capi20
- interface. It will provide a means of moving a data connection,
- established via the usual /dev/capi20 interface to a special tty
- device. If you want to use pppd with pppdcapiplugin to dial up to
- your ISP, say Y here.
-
config ISDN_CAPI_CAPI20
- tristate "CAPI2.0 /dev/capi support"
+ tristate "CAPI2.0 /dev/capi20 support"
help
This option will provide the CAPI 2.0 interface to userspace
applications via /dev/capi20. Applications should use the
standardized libcapi20 to access this functionality. You should say
Y/M here.
-config ISDN_CAPI_CAPIFS_BOOL
- bool "CAPI2.0 filesystem support"
- depends on ISDN_CAPI_MIDDLEWARE && ISDN_CAPI_CAPI20
-
-config ISDN_CAPI_CAPIFS
- tristate
- depends on ISDN_CAPI_CAPIFS_BOOL
- default ISDN_CAPI_CAPI20
+config ISDN_CAPI_MIDDLEWARE
+ bool "CAPI2.0 Middleware support"
+ depends on ISDN_CAPI_CAPI20 && TTY
help
- This option provides a special file system, similar to /dev/pts with
- device nodes for the special ttys established by using the
- middleware extension above. If you want to use pppd with
- pppdcapiplugin to dial up to your ISP, say Y here.
+ This option will enhance the capabilities of the /dev/capi20
+ interface. It will provide a means of moving a data connection,
+ established via the usual /dev/capi20 interface to a special tty
+ device. If you want to use pppd with pppdcapiplugin to dial up to
+ your ISP, say Y here.
config ISDN_CAPI_CAPIDRV
tristate "CAPI2.0 capidrv interface support"
@@ -60,3 +35,10 @@ config ISDN_CAPI_CAPIDRV
supported by a CAPI driver, but still want to use old features like
ippp interfaces or ttyI emulation, say Y/M here.
+config ISDN_CAPI_CAPIDRV_VERBOSE
+ bool "Verbose reason code reporting"
+ depends on ISDN_CAPI_CAPIDRV
+ help
+ If you say Y here, the capidrv interface will give verbose reasons
+ for disconnecting. This will increase the size of the kernel by 7 KB.
+ If unsure, say N.
diff --git a/drivers/isdn/capi/Makefile b/drivers/isdn/capi/Makefile
index 57123e3e497..4d5b4b71db1 100644
--- a/drivers/isdn/capi/Makefile
+++ b/drivers/isdn/capi/Makefile
@@ -7,7 +7,6 @@
obj-$(CONFIG_ISDN_CAPI) += kernelcapi.o
obj-$(CONFIG_ISDN_CAPI_CAPI20) += capi.o
obj-$(CONFIG_ISDN_CAPI_CAPIDRV) += capidrv.o
-obj-$(CONFIG_ISDN_CAPI_CAPIFS) += capifs.o
# Multipart objects.
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 1b5bf87c4cf..f9a87ed2392 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -20,19 +20,15 @@
#include <linux/signal.h>
#include <linux/mutex.h>
#include <linux/mm.h>
-#include <linux/smp_lock.h>
#include <linux/timer.h>
#include <linux/wait.h>
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
#include <linux/tty.h>
-#ifdef CONFIG_PPP
#include <linux/netdevice.h>
#include <linux/ppp_defs.h>
-#include <linux/if_ppp.h>
-#endif /* CONFIG_PPP */
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+#include <linux/ppp-ioctl.h>
#include <linux/skbuff.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/poll.h>
#include <linux/capi.h>
#include <linux/kernelcapi.h>
@@ -41,35 +37,25 @@
#include <linux/moduleparam.h>
#include <linux/isdn/capiutil.h>
#include <linux/isdn/capicmd.h>
-#if defined(CONFIG_ISDN_CAPI_CAPIFS) || defined(CONFIG_ISDN_CAPI_CAPIFS_MODULE)
-#include "capifs.h"
-#endif
-
-static char *revision = "$Revision: 1.1.2.7 $";
MODULE_DESCRIPTION("CAPI4Linux: Userspace /dev/capi20 interface");
MODULE_AUTHOR("Carsten Paeth");
MODULE_LICENSE("GPL");
-#undef _DEBUG_REFCOUNT /* alloc/free and open/close debug */
-#undef _DEBUG_TTYFUNCS /* call to tty_driver */
-#undef _DEBUG_DATAFLOW /* data flow */
-
/* -------- driver information -------------------------------------- */
+static DEFINE_MUTEX(capi_mutex);
static struct class *capi_class;
-
static int capi_major = 68; /* allocated */
+
+module_param_named(major, capi_major, uint, 0);
+
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
-#define CAPINC_NR_PORTS 32
+#define CAPINC_NR_PORTS 32
#define CAPINC_MAX_PORTS 256
-static int capi_ttymajor = 191;
+
static int capi_ttyminors = CAPINC_NR_PORTS;
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
-module_param_named(major, capi_major, uint, 0);
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
-module_param_named(ttymajor, capi_ttymajor, uint, 0);
module_param_named(ttyminors, capi_ttyminors, uint, 0);
#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
@@ -83,53 +69,40 @@ module_param_named(ttyminors, capi_ttyminors, uint, 0);
struct capidev;
struct capincci;
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
struct capiminor;
-struct datahandle_queue {
+struct ackqueue_entry {
struct list_head list;
u16 datahandle;
};
struct capiminor {
- struct list_head list;
- struct capincci *nccip;
unsigned int minor;
- struct capi20_appl *ap;
- u32 ncci;
- u16 datahandle;
- u16 msgid;
+ struct capi20_appl *ap;
+ u32 ncci;
+ atomic_t datahandle;
+ atomic_t msgid;
- struct tty_struct *tty;
+ struct tty_port port;
int ttyinstop;
int ttyoutstop;
- struct sk_buff *ttyskb;
- atomic_t ttyopencount;
- struct sk_buff_head inqueue;
- int inbytes;
- struct sk_buff_head outqueue;
- int outbytes;
+ struct sk_buff_head inqueue;
+
+ struct sk_buff_head outqueue;
+ int outbytes;
+ struct sk_buff *outskb;
+ spinlock_t outlock;
/* transmit path */
struct list_head ackqueue;
int nack;
spinlock_t ackqlock;
};
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
-
-/* FIXME: The following lock is a sledgehammer-workaround to a
- * locking issue with the capiminor (and maybe other) data structure(s).
- * Access to this data is done in a racy way and crashes the machine with
- * a FritzCard DSL driver; sooner or later. This is a workaround
- * which trades scalability vs stability, so it doesn't crash the kernel anymore.
- * The correct (and scalable) fix for the issue seems to require
- * an API change to the drivers... . */
-static DEFINE_SPINLOCK(workaround_lock);
struct capincci {
- struct capincci *next;
+ struct list_head list;
u32 ncci;
struct capidev *cdev;
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
@@ -146,28 +119,28 @@ struct capidev {
struct sk_buff_head recvqueue;
wait_queue_head_t recvwait;
- struct capincci *nccis;
+ struct list_head nccis;
- struct mutex ncci_list_mtx;
+ struct mutex lock;
};
/* -------- global variables ---------------------------------------- */
-static DEFINE_RWLOCK(capidev_list_lock);
+static DEFINE_MUTEX(capidev_list_lock);
static LIST_HEAD(capidev_list);
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
-static DEFINE_RWLOCK(capiminor_list_lock);
-static LIST_HEAD(capiminor_list);
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
+static DEFINE_SPINLOCK(capiminors_lock);
+static struct capiminor **capiminors;
+
+static struct tty_driver *capinc_tty_driver;
+
/* -------- datahandles --------------------------------------------- */
-static int capincci_add_ack(struct capiminor *mp, u16 datahandle)
+static int capiminor_add_ack(struct capiminor *mp, u16 datahandle)
{
- struct datahandle_queue *n;
- unsigned long flags;
+ struct ackqueue_entry *n;
n = kmalloc(sizeof(*n), GFP_ATOMIC);
if (unlikely(!n)) {
@@ -176,271 +149,249 @@ static int capincci_add_ack(struct capiminor *mp, u16 datahandle)
}
n->datahandle = datahandle;
INIT_LIST_HEAD(&n->list);
- spin_lock_irqsave(&mp->ackqlock, flags);
+ spin_lock_bh(&mp->ackqlock);
list_add_tail(&n->list, &mp->ackqueue);
mp->nack++;
- spin_unlock_irqrestore(&mp->ackqlock, flags);
+ spin_unlock_bh(&mp->ackqlock);
return 0;
}
static int capiminor_del_ack(struct capiminor *mp, u16 datahandle)
{
- struct datahandle_queue *p, *tmp;
- unsigned long flags;
+ struct ackqueue_entry *p, *tmp;
- spin_lock_irqsave(&mp->ackqlock, flags);
+ spin_lock_bh(&mp->ackqlock);
list_for_each_entry_safe(p, tmp, &mp->ackqueue, list) {
- if (p->datahandle == datahandle) {
+ if (p->datahandle == datahandle) {
list_del(&p->list);
- kfree(p);
mp->nack--;
- spin_unlock_irqrestore(&mp->ackqlock, flags);
+ spin_unlock_bh(&mp->ackqlock);
+ kfree(p);
return 0;
}
}
- spin_unlock_irqrestore(&mp->ackqlock, flags);
+ spin_unlock_bh(&mp->ackqlock);
return -1;
}
static void capiminor_del_all_ack(struct capiminor *mp)
{
- struct datahandle_queue *p, *tmp;
- unsigned long flags;
+ struct ackqueue_entry *p, *tmp;
- spin_lock_irqsave(&mp->ackqlock, flags);
list_for_each_entry_safe(p, tmp, &mp->ackqueue, list) {
list_del(&p->list);
kfree(p);
mp->nack--;
}
- spin_unlock_irqrestore(&mp->ackqlock, flags);
}
/* -------- struct capiminor ---------------------------------------- */
+static void capiminor_destroy(struct tty_port *port)
+{
+ struct capiminor *mp = container_of(port, struct capiminor, port);
+
+ kfree_skb(mp->outskb);
+ skb_queue_purge(&mp->inqueue);
+ skb_queue_purge(&mp->outqueue);
+ capiminor_del_all_ack(mp);
+ kfree(mp);
+}
+
+static const struct tty_port_operations capiminor_port_ops = {
+ .destruct = capiminor_destroy,
+};
+
static struct capiminor *capiminor_alloc(struct capi20_appl *ap, u32 ncci)
{
- struct capiminor *mp, *p;
- unsigned int minor = 0;
- unsigned long flags;
+ struct capiminor *mp;
+ struct device *dev;
+ unsigned int minor;
- mp = kzalloc(sizeof(*mp), GFP_ATOMIC);
- if (!mp) {
- printk(KERN_ERR "capi: can't alloc capiminor\n");
+ mp = kzalloc(sizeof(*mp), GFP_KERNEL);
+ if (!mp) {
+ printk(KERN_ERR "capi: can't alloc capiminor\n");
return NULL;
}
mp->ap = ap;
mp->ncci = ncci;
- mp->msgid = 0;
- atomic_set(&mp->ttyopencount,0);
INIT_LIST_HEAD(&mp->ackqueue);
spin_lock_init(&mp->ackqlock);
skb_queue_head_init(&mp->inqueue);
skb_queue_head_init(&mp->outqueue);
+ spin_lock_init(&mp->outlock);
- /* Allocate the least unused minor number.
- */
- write_lock_irqsave(&capiminor_list_lock, flags);
- if (list_empty(&capiminor_list))
- list_add(&mp->list, &capiminor_list);
- else {
- list_for_each_entry(p, &capiminor_list, list) {
- if (p->minor > minor)
- break;
- minor++;
- }
-
- if (minor < capi_ttyminors) {
- mp->minor = minor;
- list_add(&mp->list, p->list.prev);
+ tty_port_init(&mp->port);
+ mp->port.ops = &capiminor_port_ops;
+
+ /* Allocate the least unused minor number. */
+ spin_lock(&capiminors_lock);
+ for (minor = 0; minor < capi_ttyminors; minor++)
+ if (!capiminors[minor]) {
+ capiminors[minor] = mp;
+ break;
}
- }
- write_unlock_irqrestore(&capiminor_list_lock, flags);
+ spin_unlock(&capiminors_lock);
- if (!(minor < capi_ttyminors)) {
+ if (minor == capi_ttyminors) {
printk(KERN_NOTICE "capi: out of minors\n");
- kfree(mp);
- return NULL;
+ goto err_out1;
}
+ mp->minor = minor;
+
+ dev = tty_port_register_device(&mp->port, capinc_tty_driver, minor,
+ NULL);
+ if (IS_ERR(dev))
+ goto err_out2;
+
return mp;
+
+err_out2:
+ spin_lock(&capiminors_lock);
+ capiminors[minor] = NULL;
+ spin_unlock(&capiminors_lock);
+
+err_out1:
+ tty_port_put(&mp->port);
+ return NULL;
}
-static void capiminor_free(struct capiminor *mp)
+static struct capiminor *capiminor_get(unsigned int minor)
{
- unsigned long flags;
+ struct capiminor *mp;
- write_lock_irqsave(&capiminor_list_lock, flags);
- list_del(&mp->list);
- write_unlock_irqrestore(&capiminor_list_lock, flags);
+ spin_lock(&capiminors_lock);
+ mp = capiminors[minor];
+ if (mp)
+ tty_port_get(&mp->port);
+ spin_unlock(&capiminors_lock);
- if (mp->ttyskb) kfree_skb(mp->ttyskb);
- mp->ttyskb = NULL;
- skb_queue_purge(&mp->inqueue);
- skb_queue_purge(&mp->outqueue);
- capiminor_del_all_ack(mp);
- kfree(mp);
+ return mp;
}
-static struct capiminor *capiminor_find(unsigned int minor)
+static inline void capiminor_put(struct capiminor *mp)
{
- struct list_head *l;
- struct capiminor *p = NULL;
+ tty_port_put(&mp->port);
+}
- read_lock(&capiminor_list_lock);
- list_for_each(l, &capiminor_list) {
- p = list_entry(l, struct capiminor, list);
- if (p->minor == minor)
- break;
- }
- read_unlock(&capiminor_list_lock);
- if (l == &capiminor_list)
- return NULL;
+static void capiminor_free(struct capiminor *mp)
+{
+ tty_unregister_device(capinc_tty_driver, mp->minor);
+
+ spin_lock(&capiminors_lock);
+ capiminors[mp->minor] = NULL;
+ spin_unlock(&capiminors_lock);
- return p;
+ capiminor_put(mp);
}
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
/* -------- struct capincci ----------------------------------------- */
-static struct capincci *capincci_alloc(struct capidev *cdev, u32 ncci)
+static void capincci_alloc_minor(struct capidev *cdev, struct capincci *np)
{
- struct capincci *np, **pp;
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
- struct capiminor *mp = NULL;
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
-
- np = kzalloc(sizeof(*np), GFP_ATOMIC);
- if (!np)
- return NULL;
- np->ncci = ncci;
- np->cdev = cdev;
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
- mp = NULL;
if (cdev->userflags & CAPIFLAG_HIGHJACKING)
- mp = np->minorp = capiminor_alloc(&cdev->ap, ncci);
- if (mp) {
- mp->nccip = np;
-#ifdef _DEBUG_REFCOUNT
- printk(KERN_DEBUG "set mp->nccip\n");
-#endif
-#if defined(CONFIG_ISDN_CAPI_CAPIFS) || defined(CONFIG_ISDN_CAPI_CAPIFS_MODULE)
- capifs_new_ncci(mp->minor, MKDEV(capi_ttymajor, mp->minor));
-#endif
- }
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
- for (pp=&cdev->nccis; *pp; pp = &(*pp)->next)
- ;
- *pp = np;
- return np;
+ np->minorp = capiminor_alloc(&cdev->ap, np->ncci);
}
-static void capincci_free(struct capidev *cdev, u32 ncci)
+static void capincci_free_minor(struct capincci *np)
{
- struct capincci *np, **pp;
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
- struct capiminor *mp;
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+ struct capiminor *mp = np->minorp;
+ struct tty_struct *tty;
- pp=&cdev->nccis;
- while (*pp) {
- np = *pp;
- if (ncci == 0xffffffff || np->ncci == ncci) {
- *pp = (*pp)->next;
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
- if ((mp = np->minorp) != NULL) {
-#if defined(CONFIG_ISDN_CAPI_CAPIFS) || defined(CONFIG_ISDN_CAPI_CAPIFS_MODULE)
- capifs_free_ncci(mp->minor);
-#endif
- if (mp->tty) {
- mp->nccip = NULL;
-#ifdef _DEBUG_REFCOUNT
- printk(KERN_DEBUG "reset mp->nccip\n");
-#endif
- tty_hangup(mp->tty);
- } else {
- capiminor_free(mp);
- }
- }
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
- kfree(np);
- if (*pp == NULL) return;
- } else {
- pp = &(*pp)->next;
+ if (mp) {
+ tty = tty_port_tty_get(&mp->port);
+ if (tty) {
+ tty_vhangup(tty);
+ tty_kref_put(tty);
}
+
+ capiminor_free(mp);
}
}
-static struct capincci *capincci_find(struct capidev *cdev, u32 ncci)
+static inline unsigned int capincci_minor_opencount(struct capincci *np)
{
- struct capincci *p;
+ struct capiminor *mp = np->minorp;
+ unsigned int count = 0;
+ struct tty_struct *tty;
- for (p=cdev->nccis; p ; p = p->next) {
- if (p->ncci == ncci)
- break;
+ if (mp) {
+ tty = tty_port_tty_get(&mp->port);
+ if (tty) {
+ count = tty->count;
+ tty_kref_put(tty);
+ }
}
- return p;
+ return count;
}
-/* -------- struct capidev ------------------------------------------ */
+#else /* !CONFIG_ISDN_CAPI_MIDDLEWARE */
+
+static inline void
+capincci_alloc_minor(struct capidev *cdev, struct capincci *np) { }
+static inline void capincci_free_minor(struct capincci *np) { }
+
+#endif /* !CONFIG_ISDN_CAPI_MIDDLEWARE */
-static struct capidev *capidev_alloc(void)
+static struct capincci *capincci_alloc(struct capidev *cdev, u32 ncci)
{
- struct capidev *cdev;
- unsigned long flags;
+ struct capincci *np;
- cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
- if (!cdev)
+ np = kzalloc(sizeof(*np), GFP_KERNEL);
+ if (!np)
return NULL;
+ np->ncci = ncci;
+ np->cdev = cdev;
- mutex_init(&cdev->ncci_list_mtx);
- skb_queue_head_init(&cdev->recvqueue);
- init_waitqueue_head(&cdev->recvwait);
- write_lock_irqsave(&capidev_list_lock, flags);
- list_add_tail(&cdev->list, &capidev_list);
- write_unlock_irqrestore(&capidev_list_lock, flags);
- return cdev;
+ capincci_alloc_minor(cdev, np);
+
+ list_add_tail(&np->list, &cdev->nccis);
+
+ return np;
}
-static void capidev_free(struct capidev *cdev)
+static void capincci_free(struct capidev *cdev, u32 ncci)
{
- unsigned long flags;
+ struct capincci *np, *tmp;
- if (cdev->ap.applid) {
- capi20_release(&cdev->ap);
- cdev->ap.applid = 0;
- }
- skb_queue_purge(&cdev->recvqueue);
+ list_for_each_entry_safe(np, tmp, &cdev->nccis, list)
+ if (ncci == 0xffffffff || np->ncci == ncci) {
+ capincci_free_minor(np);
+ list_del(&np->list);
+ kfree(np);
+ }
+}
- mutex_lock(&cdev->ncci_list_mtx);
- capincci_free(cdev, 0xffffffff);
- mutex_unlock(&cdev->ncci_list_mtx);
+#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
+static struct capincci *capincci_find(struct capidev *cdev, u32 ncci)
+{
+ struct capincci *np;
- write_lock_irqsave(&capidev_list_lock, flags);
- list_del(&cdev->list);
- write_unlock_irqrestore(&capidev_list_lock, flags);
- kfree(cdev);
+ list_for_each_entry(np, &cdev->nccis, list)
+ if (np->ncci == ncci)
+ return np;
+ return NULL;
}
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
/* -------- handle data queue --------------------------------------- */
static struct sk_buff *
gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb)
{
struct sk_buff *nskb;
- nskb = alloc_skb(CAPI_DATA_B3_RESP_LEN, GFP_ATOMIC);
+ nskb = alloc_skb(CAPI_DATA_B3_RESP_LEN, GFP_KERNEL);
if (nskb) {
- u16 datahandle = CAPIMSG_U16(skb->data,CAPIMSG_BASELEN+4+4+2);
+ u16 datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN + 4 + 4 + 2);
unsigned char *s = skb_put(nskb, CAPI_DATA_B3_RESP_LEN);
capimsg_setu16(s, 0, CAPI_DATA_B3_RESP_LEN);
capimsg_setu16(s, 2, mp->ap->applid);
capimsg_setu8 (s, 4, CAPI_DATA_B3);
capimsg_setu8 (s, 5, CAPI_RESP);
- capimsg_setu16(s, 6, mp->msgid++);
+ capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid));
capimsg_setu32(s, 8, mp->ncci);
capimsg_setu16(s, 12, datahandle);
}
@@ -449,142 +400,166 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb)
static int handle_recv_skb(struct capiminor *mp, struct sk_buff *skb)
{
+ unsigned int datalen = skb->len - CAPIMSG_LEN(skb->data);
+ struct tty_struct *tty;
struct sk_buff *nskb;
- int datalen;
u16 errcode, datahandle;
struct tty_ldisc *ld;
-
- datalen = skb->len - CAPIMSG_LEN(skb->data);
- if (mp->tty == NULL)
- {
-#ifdef _DEBUG_DATAFLOW
- printk(KERN_DEBUG "capi: currently no receiver\n");
-#endif
+ int ret = -1;
+
+ tty = tty_port_tty_get(&mp->port);
+ if (!tty) {
+ pr_debug("capi: currently no receiver\n");
return -1;
}
-
- ld = tty_ldisc_ref(mp->tty);
- if (ld == NULL)
- return -1;
+
+ ld = tty_ldisc_ref(tty);
+ if (!ld) {
+ /* fatal error, do not requeue */
+ ret = 0;
+ kfree_skb(skb);
+ goto deref_tty;
+ }
+
if (ld->ops->receive_buf == NULL) {
-#if defined(_DEBUG_DATAFLOW) || defined(_DEBUG_TTYFUNCS)
- printk(KERN_DEBUG "capi: ldisc has no receive_buf function\n");
-#endif
- goto bad;
+ pr_debug("capi: ldisc has no receive_buf function\n");
+ /* fatal error, do not requeue */
+ goto free_skb;
}
if (mp->ttyinstop) {
-#if defined(_DEBUG_DATAFLOW) || defined(_DEBUG_TTYFUNCS)
- printk(KERN_DEBUG "capi: recv tty throttled\n");
-#endif
- goto bad;
+ pr_debug("capi: recv tty throttled\n");
+ goto deref_ldisc;
}
- if (mp->tty->receive_room < datalen) {
-#if defined(_DEBUG_DATAFLOW) || defined(_DEBUG_TTYFUNCS)
- printk(KERN_DEBUG "capi: no room in tty\n");
-#endif
- goto bad;
+
+ if (tty->receive_room < datalen) {
+ pr_debug("capi: no room in tty\n");
+ goto deref_ldisc;
}
- if ((nskb = gen_data_b3_resp_for(mp, skb)) == NULL) {
+
+ nskb = gen_data_b3_resp_for(mp, skb);
+ if (!nskb) {
printk(KERN_ERR "capi: gen_data_b3_resp failed\n");
- goto bad;
+ goto deref_ldisc;
}
- datahandle = CAPIMSG_U16(skb->data,CAPIMSG_BASELEN+4);
+
+ datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN + 4);
+
errcode = capi20_put_message(mp->ap, nskb);
- if (errcode != CAPI_NOERROR) {
+
+ if (errcode == CAPI_NOERROR) {
+ skb_pull(skb, CAPIMSG_LEN(skb->data));
+ pr_debug("capi: DATA_B3_RESP %u len=%d => ldisc\n",
+ datahandle, skb->len);
+ ld->ops->receive_buf(tty, skb->data, NULL, skb->len);
+ } else {
printk(KERN_ERR "capi: send DATA_B3_RESP failed=%x\n",
- errcode);
+ errcode);
kfree_skb(nskb);
- goto bad;
+
+ if (errcode == CAPI_SENDQUEUEFULL)
+ goto deref_ldisc;
}
- (void)skb_pull(skb, CAPIMSG_LEN(skb->data));
-#ifdef _DEBUG_DATAFLOW
- printk(KERN_DEBUG "capi: DATA_B3_RESP %u len=%d => ldisc\n",
- datahandle, skb->len);
-#endif
- ld->ops->receive_buf(mp->tty, skb->data, NULL, skb->len);
+
+free_skb:
+ ret = 0;
kfree_skb(skb);
+
+deref_ldisc:
tty_ldisc_deref(ld);
- return 0;
-bad:
- tty_ldisc_deref(ld);
- return -1;
+
+deref_tty:
+ tty_kref_put(tty);
+ return ret;
}
static void handle_minor_recv(struct capiminor *mp)
{
struct sk_buff *skb;
- while ((skb = skb_dequeue(&mp->inqueue)) != NULL) {
- unsigned int len = skb->len;
- mp->inbytes -= len;
+
+ while ((skb = skb_dequeue(&mp->inqueue)) != NULL)
if (handle_recv_skb(mp, skb) < 0) {
skb_queue_head(&mp->inqueue, skb);
- mp->inbytes += len;
return;
}
- }
}
-static int handle_minor_send(struct capiminor *mp)
+static void handle_minor_send(struct capiminor *mp)
{
+ struct tty_struct *tty;
struct sk_buff *skb;
u16 len;
- int count = 0;
u16 errcode;
u16 datahandle;
- if (mp->tty && mp->ttyoutstop) {
-#if defined(_DEBUG_DATAFLOW) || defined(_DEBUG_TTYFUNCS)
- printk(KERN_DEBUG "capi: send: tty stopped\n");
-#endif
- return 0;
+ tty = tty_port_tty_get(&mp->port);
+ if (!tty)
+ return;
+
+ if (mp->ttyoutstop) {
+ pr_debug("capi: send: tty stopped\n");
+ tty_kref_put(tty);
+ return;
}
- while ((skb = skb_dequeue(&mp->outqueue)) != NULL) {
- datahandle = mp->datahandle;
+ while (1) {
+ spin_lock_bh(&mp->outlock);
+ skb = __skb_dequeue(&mp->outqueue);
+ if (!skb) {
+ spin_unlock_bh(&mp->outlock);
+ break;
+ }
len = (u16)skb->len;
+ mp->outbytes -= len;
+ spin_unlock_bh(&mp->outlock);
+
+ datahandle = atomic_inc_return(&mp->datahandle);
skb_push(skb, CAPI_DATA_B3_REQ_LEN);
memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN);
capimsg_setu16(skb->data, 2, mp->ap->applid);
capimsg_setu8 (skb->data, 4, CAPI_DATA_B3);
capimsg_setu8 (skb->data, 5, CAPI_REQ);
- capimsg_setu16(skb->data, 6, mp->msgid++);
+ capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid));
capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */
capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */
capimsg_setu16(skb->data, 16, len); /* Data length */
capimsg_setu16(skb->data, 18, datahandle);
capimsg_setu16(skb->data, 20, 0); /* Flags */
- if (capincci_add_ack(mp, datahandle) < 0) {
+ if (capiminor_add_ack(mp, datahandle) < 0) {
skb_pull(skb, CAPI_DATA_B3_REQ_LEN);
- skb_queue_head(&mp->outqueue, skb);
- return count;
+
+ spin_lock_bh(&mp->outlock);
+ __skb_queue_head(&mp->outqueue, skb);
+ mp->outbytes += len;
+ spin_unlock_bh(&mp->outlock);
+
+ break;
}
errcode = capi20_put_message(mp->ap, skb);
if (errcode == CAPI_NOERROR) {
- mp->datahandle++;
- count++;
- mp->outbytes -= len;
-#ifdef _DEBUG_DATAFLOW
- printk(KERN_DEBUG "capi: DATA_B3_REQ %u len=%u\n",
- datahandle, len);
-#endif
+ pr_debug("capi: DATA_B3_REQ %u len=%u\n",
+ datahandle, len);
continue;
}
capiminor_del_ack(mp, datahandle);
if (errcode == CAPI_SENDQUEUEFULL) {
skb_pull(skb, CAPI_DATA_B3_REQ_LEN);
- skb_queue_head(&mp->outqueue, skb);
+
+ spin_lock_bh(&mp->outlock);
+ __skb_queue_head(&mp->outqueue, skb);
+ mp->outbytes += len;
+ spin_unlock_bh(&mp->outlock);
+
break;
}
/* ups, drop packet */
printk(KERN_ERR "capi: put_message = %x\n", errcode);
- mp->outbytes -= len;
kfree_skb(skb);
}
- return count;
+ tty_kref_put(tty);
}
#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
@@ -596,78 +571,63 @@ static void capi_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
struct capiminor *mp;
u16 datahandle;
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
struct capincci *np;
- u32 ncci;
- unsigned long flags;
+#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+
+ mutex_lock(&cdev->lock);
if (CAPIMSG_CMD(skb->data) == CAPI_CONNECT_B3_CONF) {
u16 info = CAPIMSG_U16(skb->data, 12); // Info field
- if (info == 0) {
- mutex_lock(&cdev->ncci_list_mtx);
+ if ((info & 0xff00) == 0)
capincci_alloc(cdev, CAPIMSG_NCCI(skb->data));
- mutex_unlock(&cdev->ncci_list_mtx);
- }
}
- if (CAPIMSG_CMD(skb->data) == CAPI_CONNECT_B3_IND) {
- mutex_lock(&cdev->ncci_list_mtx);
+ if (CAPIMSG_CMD(skb->data) == CAPI_CONNECT_B3_IND)
capincci_alloc(cdev, CAPIMSG_NCCI(skb->data));
- mutex_unlock(&cdev->ncci_list_mtx);
- }
- spin_lock_irqsave(&workaround_lock, flags);
+
if (CAPIMSG_COMMAND(skb->data) != CAPI_DATA_B3) {
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
- spin_unlock_irqrestore(&workaround_lock, flags);
- return;
+ goto unlock_out;
}
- ncci = CAPIMSG_CONTROL(skb->data);
- for (np = cdev->nccis; np && np->ncci != ncci; np = np->next)
- ;
+
+#ifndef CONFIG_ISDN_CAPI_MIDDLEWARE
+ skb_queue_tail(&cdev->recvqueue, skb);
+ wake_up_interruptible(&cdev->recvwait);
+
+#else /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+
+ np = capincci_find(cdev, CAPIMSG_CONTROL(skb->data));
if (!np) {
printk(KERN_ERR "BUG: capi_signal: ncci not found\n");
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
- spin_unlock_irqrestore(&workaround_lock, flags);
- return;
+ goto unlock_out;
}
-#ifndef CONFIG_ISDN_CAPI_MIDDLEWARE
- skb_queue_tail(&cdev->recvqueue, skb);
- wake_up_interruptible(&cdev->recvwait);
-#else /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+
mp = np->minorp;
if (!mp) {
skb_queue_tail(&cdev->recvqueue, skb);
wake_up_interruptible(&cdev->recvwait);
- spin_unlock_irqrestore(&workaround_lock, flags);
- return;
+ goto unlock_out;
}
-
-
if (CAPIMSG_SUBCOMMAND(skb->data) == CAPI_IND) {
-
- datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN+4+4+2);
-#ifdef _DEBUG_DATAFLOW
- printk(KERN_DEBUG "capi_signal: DATA_B3_IND %u len=%d\n",
- datahandle, skb->len-CAPIMSG_LEN(skb->data));
-#endif
+ datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN + 4 + 4 + 2);
+ pr_debug("capi_signal: DATA_B3_IND %u len=%d\n",
+ datahandle, skb->len-CAPIMSG_LEN(skb->data));
skb_queue_tail(&mp->inqueue, skb);
- mp->inbytes += skb->len;
+
handle_minor_recv(mp);
} else if (CAPIMSG_SUBCOMMAND(skb->data) == CAPI_CONF) {
- datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN+4);
-#ifdef _DEBUG_DATAFLOW
- printk(KERN_DEBUG "capi_signal: DATA_B3_CONF %u 0x%x\n",
- datahandle,
- CAPIMSG_U16(skb->data, CAPIMSG_BASELEN+4+2));
-#endif
+ datahandle = CAPIMSG_U16(skb->data, CAPIMSG_BASELEN + 4);
+ pr_debug("capi_signal: DATA_B3_CONF %u 0x%x\n",
+ datahandle,
+ CAPIMSG_U16(skb->data, CAPIMSG_BASELEN + 4 + 2));
kfree_skb(skb);
- (void)capiminor_del_ack(mp, datahandle);
- if (mp->tty)
- tty_wakeup(mp->tty);
- (void)handle_minor_send(mp);
+ capiminor_del_ack(mp, datahandle);
+ tty_port_tty_wakeup(&mp->port);
+ handle_minor_send(mp);
} else {
/* ups, let capi application handle it :-) */
@@ -675,7 +635,9 @@ static void capi_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
wake_up_interruptible(&cdev->recvwait);
}
#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
- spin_unlock_irqrestore(&workaround_lock, flags);
+
+unlock_out:
+ mutex_unlock(&cdev->lock);
}
/* -------- file_operations for capidev ----------------------------- */
@@ -683,27 +645,22 @@ static void capi_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
static ssize_t
capi_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
- struct capidev *cdev = (struct capidev *)file->private_data;
+ struct capidev *cdev = file->private_data;
struct sk_buff *skb;
size_t copied;
+ int err;
if (!cdev->ap.applid)
return -ENODEV;
- if ((skb = skb_dequeue(&cdev->recvqueue)) == NULL) {
-
+ skb = skb_dequeue(&cdev->recvqueue);
+ if (!skb) {
if (file->f_flags & O_NONBLOCK)
return -EAGAIN;
-
- for (;;) {
- interruptible_sleep_on(&cdev->recvwait);
- if ((skb = skb_dequeue(&cdev->recvqueue)) != NULL)
- break;
- if (signal_pending(current))
- break;
- }
- if (skb == NULL)
- return -ERESTARTNOHAND;
+ err = wait_event_interruptible(cdev->recvwait,
+ (skb = skb_dequeue(&cdev->recvqueue)));
+ if (err)
+ return err;
}
if (skb->len > count) {
skb_queue_head(&cdev->recvqueue, skb);
@@ -723,7 +680,7 @@ capi_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
static ssize_t
capi_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
- struct capidev *cdev = (struct capidev *)file->private_data;
+ struct capidev *cdev = file->private_data;
struct sk_buff *skb;
u16 mlen;
@@ -753,9 +710,9 @@ capi_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos
CAPIMSG_SETAPPID(skb->data, cdev->ap.applid);
if (CAPIMSG_CMD(skb->data) == CAPI_DISCONNECT_B3_RESP) {
- mutex_lock(&cdev->ncci_list_mtx);
+ mutex_lock(&cdev->lock);
capincci_free(cdev, CAPIMSG_NCCI(skb->data));
- mutex_unlock(&cdev->ncci_list_mtx);
+ mutex_unlock(&cdev->lock);
}
cdev->errcode = capi20_put_message(&cdev->ap, skb);
@@ -768,9 +725,9 @@ capi_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos
}
static unsigned int
-capi_poll(struct file *file, poll_table * wait)
+capi_poll(struct file *file, poll_table *wait)
{
- struct capidev *cdev = (struct capidev *)file->private_data;
+ struct capidev *cdev = file->private_data;
unsigned int mask = 0;
if (!cdev->ap.applid)
@@ -784,105 +741,103 @@ capi_poll(struct file *file, poll_table * wait)
}
static int
-capi_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+capi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct capidev *cdev = file->private_data;
- struct capi20_appl *ap = &cdev->ap;
capi_ioctl_struct data;
int retval = -EINVAL;
void __user *argp = (void __user *)arg;
switch (cmd) {
case CAPI_REGISTER:
- {
- if (ap->applid)
- return -EEXIST;
+ mutex_lock(&cdev->lock);
- if (copy_from_user(&cdev->ap.rparam, argp,
- sizeof(struct capi_register_params)))
- return -EFAULT;
-
- cdev->ap.private = cdev;
- cdev->ap.recv_message = capi_recv_message;
- cdev->errcode = capi20_register(ap);
- if (cdev->errcode) {
- ap->applid = 0;
- return -EIO;
- }
+ if (cdev->ap.applid) {
+ retval = -EEXIST;
+ goto register_out;
+ }
+ if (copy_from_user(&cdev->ap.rparam, argp,
+ sizeof(struct capi_register_params))) {
+ retval = -EFAULT;
+ goto register_out;
+ }
+ cdev->ap.private = cdev;
+ cdev->ap.recv_message = capi_recv_message;
+ cdev->errcode = capi20_register(&cdev->ap);
+ retval = (int)cdev->ap.applid;
+ if (cdev->errcode) {
+ cdev->ap.applid = 0;
+ retval = -EIO;
}
- return (int)ap->applid;
+
+register_out:
+ mutex_unlock(&cdev->lock);
+ return retval;
case CAPI_GET_VERSION:
- {
- if (copy_from_user(&data.contr, argp,
- sizeof(data.contr)))
- return -EFAULT;
- cdev->errcode = capi20_get_version(data.contr, &data.version);
- if (cdev->errcode)
- return -EIO;
- if (copy_to_user(argp, &data.version,
- sizeof(data.version)))
- return -EFAULT;
- }
+ if (copy_from_user(&data.contr, argp,
+ sizeof(data.contr)))
+ return -EFAULT;
+ cdev->errcode = capi20_get_version(data.contr, &data.version);
+ if (cdev->errcode)
+ return -EIO;
+ if (copy_to_user(argp, &data.version,
+ sizeof(data.version)))
+ return -EFAULT;
return 0;
case CAPI_GET_SERIAL:
- {
- if (copy_from_user(&data.contr, argp,
- sizeof(data.contr)))
- return -EFAULT;
- cdev->errcode = capi20_get_serial (data.contr, data.serial);
- if (cdev->errcode)
- return -EIO;
- if (copy_to_user(argp, data.serial,
- sizeof(data.serial)))
- return -EFAULT;
- }
+ if (copy_from_user(&data.contr, argp,
+ sizeof(data.contr)))
+ return -EFAULT;
+ cdev->errcode = capi20_get_serial(data.contr, data.serial);
+ if (cdev->errcode)
+ return -EIO;
+ if (copy_to_user(argp, data.serial,
+ sizeof(data.serial)))
+ return -EFAULT;
return 0;
+
case CAPI_GET_PROFILE:
- {
- if (copy_from_user(&data.contr, argp,
- sizeof(data.contr)))
- return -EFAULT;
+ if (copy_from_user(&data.contr, argp,
+ sizeof(data.contr)))
+ return -EFAULT;
- if (data.contr == 0) {
- cdev->errcode = capi20_get_profile(data.contr, &data.profile);
- if (cdev->errcode)
- return -EIO;
+ if (data.contr == 0) {
+ cdev->errcode = capi20_get_profile(data.contr, &data.profile);
+ if (cdev->errcode)
+ return -EIO;
- retval = copy_to_user(argp,
- &data.profile.ncontroller,
- sizeof(data.profile.ncontroller));
+ retval = copy_to_user(argp,
+ &data.profile.ncontroller,
+ sizeof(data.profile.ncontroller));
- } else {
- cdev->errcode = capi20_get_profile(data.contr, &data.profile);
- if (cdev->errcode)
- return -EIO;
+ } else {
+ cdev->errcode = capi20_get_profile(data.contr, &data.profile);
+ if (cdev->errcode)
+ return -EIO;
- retval = copy_to_user(argp, &data.profile,
- sizeof(data.profile));
- }
- if (retval)
- return -EFAULT;
+ retval = copy_to_user(argp, &data.profile,
+ sizeof(data.profile));
}
+ if (retval)
+ return -EFAULT;
return 0;
case CAPI_GET_MANUFACTURER:
- {
- if (copy_from_user(&data.contr, argp,
- sizeof(data.contr)))
- return -EFAULT;
- cdev->errcode = capi20_get_manufacturer(data.contr, data.manufacturer);
- if (cdev->errcode)
- return -EIO;
+ if (copy_from_user(&data.contr, argp,
+ sizeof(data.contr)))
+ return -EFAULT;
+ cdev->errcode = capi20_get_manufacturer(data.contr, data.manufacturer);
+ if (cdev->errcode)
+ return -EIO;
- if (copy_to_user(argp, data.manufacturer,
- sizeof(data.manufacturer)))
- return -EFAULT;
+ if (copy_to_user(argp, data.manufacturer,
+ sizeof(data.manufacturer)))
+ return -EFAULT;
- }
return 0;
+
case CAPI_GET_ERRCODE:
data.errcode = cdev->errcode;
cdev->errcode = CAPI_NOERROR;
@@ -898,113 +853,129 @@ capi_ioctl(struct inode *inode, struct file *file,
return 0;
return -ENXIO;
- case CAPI_MANUFACTURER_CMD:
- {
- struct capi_manufacturer_cmd mcmd;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (copy_from_user(&mcmd, argp, sizeof(mcmd)))
- return -EFAULT;
- return capi20_manufacturer(mcmd.cmd, mcmd.data);
- }
- return 0;
-
+ case CAPI_MANUFACTURER_CMD: {
+ struct capi_manufacturer_cmd mcmd;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ if (copy_from_user(&mcmd, argp, sizeof(mcmd)))
+ return -EFAULT;
+ return capi20_manufacturer(mcmd.cmd, mcmd.data);
+ }
case CAPI_SET_FLAGS:
- case CAPI_CLR_FLAGS:
- {
- unsigned userflags;
- if (copy_from_user(&userflags, argp,
- sizeof(userflags)))
- return -EFAULT;
- if (cmd == CAPI_SET_FLAGS)
- cdev->userflags |= userflags;
- else
- cdev->userflags &= ~userflags;
- }
- return 0;
+ case CAPI_CLR_FLAGS: {
+ unsigned userflags;
+
+ if (copy_from_user(&userflags, argp, sizeof(userflags)))
+ return -EFAULT;
+ mutex_lock(&cdev->lock);
+ if (cmd == CAPI_SET_FLAGS)
+ cdev->userflags |= userflags;
+ else
+ cdev->userflags &= ~userflags;
+ mutex_unlock(&cdev->lock);
+ return 0;
+ }
case CAPI_GET_FLAGS:
if (copy_to_user(argp, &cdev->userflags,
sizeof(cdev->userflags)))
return -EFAULT;
return 0;
+#ifndef CONFIG_ISDN_CAPI_MIDDLEWARE
case CAPI_NCCI_OPENCOUNT:
- {
- struct capincci *nccip;
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
- struct capiminor *mp;
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
- unsigned ncci;
- int count = 0;
- if (copy_from_user(&ncci, argp, sizeof(ncci)))
- return -EFAULT;
-
- mutex_lock(&cdev->ncci_list_mtx);
- if ((nccip = capincci_find(cdev, (u32) ncci)) == NULL) {
- mutex_unlock(&cdev->ncci_list_mtx);
- return 0;
- }
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
- if ((mp = nccip->minorp) != NULL) {
- count += atomic_read(&mp->ttyopencount);
- }
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
- mutex_unlock(&cdev->ncci_list_mtx);
- return count;
- }
return 0;
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
- case CAPI_NCCI_GETUNIT:
- {
- struct capincci *nccip;
- struct capiminor *mp;
- unsigned ncci;
- int unit = 0;
- if (copy_from_user(&ncci, argp,
- sizeof(ncci)))
- return -EFAULT;
- mutex_lock(&cdev->ncci_list_mtx);
- nccip = capincci_find(cdev, (u32) ncci);
- if (!nccip || (mp = nccip->minorp) == NULL) {
- mutex_unlock(&cdev->ncci_list_mtx);
- return -ESRCH;
- }
- unit = mp->minor;
- mutex_unlock(&cdev->ncci_list_mtx);
- return unit;
+#else /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+ case CAPI_NCCI_OPENCOUNT: {
+ struct capincci *nccip;
+ unsigned ncci;
+ int count = 0;
+
+ if (copy_from_user(&ncci, argp, sizeof(ncci)))
+ return -EFAULT;
+
+ mutex_lock(&cdev->lock);
+ nccip = capincci_find(cdev, (u32)ncci);
+ if (nccip)
+ count = capincci_minor_opencount(nccip);
+ mutex_unlock(&cdev->lock);
+ return count;
+ }
+
+ case CAPI_NCCI_GETUNIT: {
+ struct capincci *nccip;
+ struct capiminor *mp;
+ unsigned ncci;
+ int unit = -ESRCH;
+
+ if (copy_from_user(&ncci, argp, sizeof(ncci)))
+ return -EFAULT;
+
+ mutex_lock(&cdev->lock);
+ nccip = capincci_find(cdev, (u32)ncci);
+ if (nccip) {
+ mp = nccip->minorp;
+ if (mp)
+ unit = mp->minor;
}
- return 0;
+ mutex_unlock(&cdev->lock);
+ return unit;
+ }
#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+
+ default:
+ return -EINVAL;
}
- return -EINVAL;
}
-static int
-capi_open(struct inode *inode, struct file *file)
+static long
+capi_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret;
-
- lock_kernel();
- if (file->private_data)
- ret = -EEXIST;
- else if ((file->private_data = capidev_alloc()) == NULL)
- ret = -ENOMEM;
- else
- ret = nonseekable_open(inode, file);
- unlock_kernel();
+
+ mutex_lock(&capi_mutex);
+ ret = capi_ioctl(file, cmd, arg);
+ mutex_unlock(&capi_mutex);
+
return ret;
}
-static int
-capi_release(struct inode *inode, struct file *file)
+static int capi_open(struct inode *inode, struct file *file)
+{
+ struct capidev *cdev;
+
+ cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
+ if (!cdev)
+ return -ENOMEM;
+
+ mutex_init(&cdev->lock);
+ skb_queue_head_init(&cdev->recvqueue);
+ init_waitqueue_head(&cdev->recvwait);
+ INIT_LIST_HEAD(&cdev->nccis);
+ file->private_data = cdev;
+
+ mutex_lock(&capidev_list_lock);
+ list_add_tail(&cdev->list, &capidev_list);
+ mutex_unlock(&capidev_list_lock);
+
+ return nonseekable_open(inode, file);
+}
+
+static int capi_release(struct inode *inode, struct file *file)
{
- struct capidev *cdev = (struct capidev *)file->private_data;
+ struct capidev *cdev = file->private_data;
- capidev_free(cdev);
- file->private_data = NULL;
-
+ mutex_lock(&capidev_list_lock);
+ list_del(&cdev->list);
+ mutex_unlock(&capidev_list_lock);
+
+ if (cdev->ap.applid)
+ capi20_release(&cdev->ap);
+ skb_queue_purge(&cdev->recvqueue);
+ capincci_free(cdev, 0xffffffff);
+
+ kfree(cdev);
return 0;
}
@@ -1015,7 +986,7 @@ static const struct file_operations capi_fops =
.read = capi_read,
.write = capi_write,
.poll = capi_poll,
- .ioctl = capi_ioctl,
+ .unlocked_ioctl = capi_unlocked_ioctl,
.open = capi_open,
.release = capi_release,
};
@@ -1023,322 +994,239 @@ static const struct file_operations capi_fops =
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
/* -------- tty_operations for capincci ----------------------------- */
-static int capinc_tty_open(struct tty_struct * tty, struct file * file)
+static int
+capinc_tty_install(struct tty_driver *driver, struct tty_struct *tty)
{
- struct capiminor *mp;
- unsigned long flags;
+ struct capiminor *mp = capiminor_get(tty->index);
+ int ret = tty_standard_install(driver, tty);
- if ((mp = capiminor_find(iminor(file->f_path.dentry->d_inode))) == NULL)
- return -ENXIO;
- if (mp->nccip == NULL)
- return -ENXIO;
+ if (ret == 0)
+ tty->driver_data = mp;
+ else
+ capiminor_put(mp);
+ return ret;
+}
- tty->driver_data = (void *)mp;
+static void capinc_tty_cleanup(struct tty_struct *tty)
+{
+ struct capiminor *mp = tty->driver_data;
+ tty->driver_data = NULL;
+ capiminor_put(mp);
+}
+
+static int capinc_tty_open(struct tty_struct *tty, struct file *filp)
+{
+ struct capiminor *mp = tty->driver_data;
+ int err;
+
+ err = tty_port_open(&mp->port, tty, filp);
+ if (err)
+ return err;
- spin_lock_irqsave(&workaround_lock, flags);
- if (atomic_read(&mp->ttyopencount) == 0)
- mp->tty = tty;
- atomic_inc(&mp->ttyopencount);
-#ifdef _DEBUG_REFCOUNT
- printk(KERN_DEBUG "capinc_tty_open ocount=%d\n", atomic_read(&mp->ttyopencount));
-#endif
handle_minor_recv(mp);
- spin_unlock_irqrestore(&workaround_lock, flags);
return 0;
}
-static void capinc_tty_close(struct tty_struct * tty, struct file * file)
+static void capinc_tty_close(struct tty_struct *tty, struct file *filp)
{
- struct capiminor *mp;
+ struct capiminor *mp = tty->driver_data;
- mp = (struct capiminor *)tty->driver_data;
- if (mp) {
- if (atomic_dec_and_test(&mp->ttyopencount)) {
-#ifdef _DEBUG_REFCOUNT
- printk(KERN_DEBUG "capinc_tty_close lastclose\n");
-#endif
- tty->driver_data = NULL;
- mp->tty = NULL;
- }
-#ifdef _DEBUG_REFCOUNT
- printk(KERN_DEBUG "capinc_tty_close ocount=%d\n", atomic_read(&mp->ttyopencount));
-#endif
- if (mp->nccip == NULL)
- capiminor_free(mp);
- }
-
-#ifdef _DEBUG_REFCOUNT
- printk(KERN_DEBUG "capinc_tty_close\n");
-#endif
+ tty_port_close(&mp->port, tty, filp);
}
-static int capinc_tty_write(struct tty_struct * tty,
+static int capinc_tty_write(struct tty_struct *tty,
const unsigned char *buf, int count)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
+ struct capiminor *mp = tty->driver_data;
struct sk_buff *skb;
- unsigned long flags;
-
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_write(count=%d)\n", count);
-#endif
- if (!mp || !mp->nccip) {
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_write: mp or mp->ncci NULL\n");
-#endif
- return 0;
- }
+ pr_debug("capinc_tty_write(count=%d)\n", count);
- spin_lock_irqsave(&workaround_lock, flags);
- skb = mp->ttyskb;
+ spin_lock_bh(&mp->outlock);
+ skb = mp->outskb;
if (skb) {
- mp->ttyskb = NULL;
- skb_queue_tail(&mp->outqueue, skb);
+ mp->outskb = NULL;
+ __skb_queue_tail(&mp->outqueue, skb);
mp->outbytes += skb->len;
}
- skb = alloc_skb(CAPI_DATA_B3_REQ_LEN+count, GFP_ATOMIC);
+ skb = alloc_skb(CAPI_DATA_B3_REQ_LEN + count, GFP_ATOMIC);
if (!skb) {
printk(KERN_ERR "capinc_tty_write: alloc_skb failed\n");
- spin_unlock_irqrestore(&workaround_lock, flags);
+ spin_unlock_bh(&mp->outlock);
return -ENOMEM;
}
skb_reserve(skb, CAPI_DATA_B3_REQ_LEN);
memcpy(skb_put(skb, count), buf, count);
- skb_queue_tail(&mp->outqueue, skb);
+ __skb_queue_tail(&mp->outqueue, skb);
mp->outbytes += skb->len;
- (void)handle_minor_send(mp);
- (void)handle_minor_recv(mp);
- spin_unlock_irqrestore(&workaround_lock, flags);
+ spin_unlock_bh(&mp->outlock);
+
+ handle_minor_send(mp);
+
return count;
}
static int capinc_tty_put_char(struct tty_struct *tty, unsigned char ch)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
+ struct capiminor *mp = tty->driver_data;
+ bool invoke_send = false;
struct sk_buff *skb;
- unsigned long flags;
int ret = 1;
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_put_char(%u)\n", ch);
-#endif
-
- if (!mp || !mp->nccip) {
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_put_char: mp or mp->ncci NULL\n");
-#endif
- return 0;
- }
+ pr_debug("capinc_put_char(%u)\n", ch);
- spin_lock_irqsave(&workaround_lock, flags);
- skb = mp->ttyskb;
+ spin_lock_bh(&mp->outlock);
+ skb = mp->outskb;
if (skb) {
if (skb_tailroom(skb) > 0) {
*(skb_put(skb, 1)) = ch;
- spin_unlock_irqrestore(&workaround_lock, flags);
- return 1;
+ goto unlock_out;
}
- mp->ttyskb = NULL;
- skb_queue_tail(&mp->outqueue, skb);
+ mp->outskb = NULL;
+ __skb_queue_tail(&mp->outqueue, skb);
mp->outbytes += skb->len;
- (void)handle_minor_send(mp);
+ invoke_send = true;
}
- skb = alloc_skb(CAPI_DATA_B3_REQ_LEN+CAPI_MAX_BLKSIZE, GFP_ATOMIC);
+
+ skb = alloc_skb(CAPI_DATA_B3_REQ_LEN + CAPI_MAX_BLKSIZE, GFP_ATOMIC);
if (skb) {
skb_reserve(skb, CAPI_DATA_B3_REQ_LEN);
*(skb_put(skb, 1)) = ch;
- mp->ttyskb = skb;
+ mp->outskb = skb;
} else {
printk(KERN_ERR "capinc_put_char: char %u lost\n", ch);
ret = 0;
}
- spin_unlock_irqrestore(&workaround_lock, flags);
+
+unlock_out:
+ spin_unlock_bh(&mp->outlock);
+
+ if (invoke_send)
+ handle_minor_send(mp);
+
return ret;
}
static void capinc_tty_flush_chars(struct tty_struct *tty)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
+ struct capiminor *mp = tty->driver_data;
struct sk_buff *skb;
- unsigned long flags;
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_flush_chars\n");
-#endif
+ pr_debug("capinc_tty_flush_chars\n");
- if (!mp || !mp->nccip) {
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_flush_chars: mp or mp->ncci NULL\n");
-#endif
- return;
- }
-
- spin_lock_irqsave(&workaround_lock, flags);
- skb = mp->ttyskb;
+ spin_lock_bh(&mp->outlock);
+ skb = mp->outskb;
if (skb) {
- mp->ttyskb = NULL;
- skb_queue_tail(&mp->outqueue, skb);
+ mp->outskb = NULL;
+ __skb_queue_tail(&mp->outqueue, skb);
mp->outbytes += skb->len;
- (void)handle_minor_send(mp);
- }
- (void)handle_minor_recv(mp);
- spin_unlock_irqrestore(&workaround_lock, flags);
+ spin_unlock_bh(&mp->outlock);
+
+ handle_minor_send(mp);
+ } else
+ spin_unlock_bh(&mp->outlock);
+
+ handle_minor_recv(mp);
}
static int capinc_tty_write_room(struct tty_struct *tty)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
+ struct capiminor *mp = tty->driver_data;
int room;
- if (!mp || !mp->nccip) {
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_write_room: mp or mp->ncci NULL\n");
-#endif
- return 0;
- }
+
room = CAPINC_MAX_SENDQUEUE-skb_queue_len(&mp->outqueue);
room *= CAPI_MAX_BLKSIZE;
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_write_room = %d\n", room);
-#endif
+ pr_debug("capinc_tty_write_room = %d\n", room);
return room;
}
static int capinc_tty_chars_in_buffer(struct tty_struct *tty)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
- if (!mp || !mp->nccip) {
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_chars_in_buffer: mp or mp->ncci NULL\n");
-#endif
- return 0;
- }
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_chars_in_buffer = %d nack=%d sq=%d rq=%d\n",
- mp->outbytes, mp->nack,
- skb_queue_len(&mp->outqueue),
- skb_queue_len(&mp->inqueue));
-#endif
+ struct capiminor *mp = tty->driver_data;
+
+ pr_debug("capinc_tty_chars_in_buffer = %d nack=%d sq=%d rq=%d\n",
+ mp->outbytes, mp->nack,
+ skb_queue_len(&mp->outqueue),
+ skb_queue_len(&mp->inqueue));
return mp->outbytes;
}
-static int capinc_tty_ioctl(struct tty_struct *tty, struct file * file,
- unsigned int cmd, unsigned long arg)
+static int capinc_tty_ioctl(struct tty_struct *tty,
+ unsigned int cmd, unsigned long arg)
{
- int error = 0;
- switch (cmd) {
- default:
- error = n_tty_ioctl_helper(tty, file, cmd, arg);
- break;
- }
- return error;
+ return -ENOIOCTLCMD;
}
-static void capinc_tty_set_termios(struct tty_struct *tty, struct ktermios * old)
+static void capinc_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
{
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_set_termios\n");
-#endif
+ pr_debug("capinc_tty_set_termios\n");
}
-static void capinc_tty_throttle(struct tty_struct * tty)
+static void capinc_tty_throttle(struct tty_struct *tty)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_throttle\n");
-#endif
- if (mp)
- mp->ttyinstop = 1;
+ struct capiminor *mp = tty->driver_data;
+ pr_debug("capinc_tty_throttle\n");
+ mp->ttyinstop = 1;
}
-static void capinc_tty_unthrottle(struct tty_struct * tty)
+static void capinc_tty_unthrottle(struct tty_struct *tty)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
- unsigned long flags;
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_unthrottle\n");
-#endif
- if (mp) {
- spin_lock_irqsave(&workaround_lock, flags);
- mp->ttyinstop = 0;
- handle_minor_recv(mp);
- spin_unlock_irqrestore(&workaround_lock, flags);
- }
+ struct capiminor *mp = tty->driver_data;
+
+ pr_debug("capinc_tty_unthrottle\n");
+ mp->ttyinstop = 0;
+ handle_minor_recv(mp);
}
static void capinc_tty_stop(struct tty_struct *tty)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_stop\n");
-#endif
- if (mp) {
- mp->ttyoutstop = 1;
- }
+ struct capiminor *mp = tty->driver_data;
+
+ pr_debug("capinc_tty_stop\n");
+ mp->ttyoutstop = 1;
}
static void capinc_tty_start(struct tty_struct *tty)
{
- struct capiminor *mp = (struct capiminor *)tty->driver_data;
- unsigned long flags;
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_start\n");
-#endif
- if (mp) {
- spin_lock_irqsave(&workaround_lock, flags);
- mp->ttyoutstop = 0;
- (void)handle_minor_send(mp);
- spin_unlock_irqrestore(&workaround_lock, flags);
- }
+ struct capiminor *mp = tty->driver_data;
+
+ pr_debug("capinc_tty_start\n");
+ mp->ttyoutstop = 0;
+ handle_minor_send(mp);
}
static void capinc_tty_hangup(struct tty_struct *tty)
{
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_hangup\n");
-#endif
+ struct capiminor *mp = tty->driver_data;
+
+ pr_debug("capinc_tty_hangup\n");
+ tty_port_hangup(&mp->port);
}
static int capinc_tty_break_ctl(struct tty_struct *tty, int state)
{
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_break_ctl(%d)\n", state);
-#endif
+ pr_debug("capinc_tty_break_ctl(%d)\n", state);
return 0;
}
static void capinc_tty_flush_buffer(struct tty_struct *tty)
{
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_flush_buffer\n");
-#endif
+ pr_debug("capinc_tty_flush_buffer\n");
}
static void capinc_tty_set_ldisc(struct tty_struct *tty)
{
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_set_ldisc\n");
-#endif
+ pr_debug("capinc_tty_set_ldisc\n");
}
static void capinc_tty_send_xchar(struct tty_struct *tty, char ch)
{
-#ifdef _DEBUG_TTYFUNCS
- printk(KERN_DEBUG "capinc_tty_send_xchar(%d)\n", ch);
-#endif
-}
-
-static int capinc_tty_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- return 0;
+ pr_debug("capinc_tty_send_xchar(%d)\n", ch);
}
-static struct tty_driver *capinc_tty_driver;
-
static const struct tty_operations capinc_ops = {
.open = capinc_tty_open,
.close = capinc_tty_close,
@@ -1358,26 +1246,33 @@ static const struct tty_operations capinc_ops = {
.flush_buffer = capinc_tty_flush_buffer,
.set_ldisc = capinc_tty_set_ldisc,
.send_xchar = capinc_tty_send_xchar,
- .read_proc = capinc_tty_read_proc,
+ .install = capinc_tty_install,
+ .cleanup = capinc_tty_cleanup,
};
-static int capinc_tty_init(void)
+static int __init capinc_tty_init(void)
{
struct tty_driver *drv;
-
+ int err;
+
if (capi_ttyminors > CAPINC_MAX_PORTS)
capi_ttyminors = CAPINC_MAX_PORTS;
if (capi_ttyminors <= 0)
capi_ttyminors = CAPINC_NR_PORTS;
- drv = alloc_tty_driver(capi_ttyminors);
- if (!drv)
+ capiminors = kzalloc(sizeof(struct capi_minor *) * capi_ttyminors,
+ GFP_KERNEL);
+ if (!capiminors)
return -ENOMEM;
- drv->owner = THIS_MODULE;
+ drv = alloc_tty_driver(capi_ttyminors);
+ if (!drv) {
+ kfree(capiminors);
+ return -ENOMEM;
+ }
drv->driver_name = "capi_nc";
- drv->name = "capi";
- drv->major = capi_ttymajor;
+ drv->name = "capi!";
+ drv->major = 0;
drv->minor_start = 0;
drv->type = TTY_DRIVER_TYPE_SERIAL;
drv->subtype = SERIAL_TYPE_NORMAL;
@@ -1386,27 +1281,39 @@ static int capinc_tty_init(void)
drv->init_termios.c_oflag = OPOST | ONLCR;
drv->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
drv->init_termios.c_lflag = 0;
- drv->flags = TTY_DRIVER_REAL_RAW|TTY_DRIVER_RESET_TERMIOS;
+ drv->flags =
+ TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS |
+ TTY_DRIVER_DYNAMIC_DEV;
tty_set_operations(drv, &capinc_ops);
- if (tty_register_driver(drv)) {
+
+ err = tty_register_driver(drv);
+ if (err) {
put_tty_driver(drv);
+ kfree(capiminors);
printk(KERN_ERR "Couldn't register capi_nc driver\n");
- return -1;
+ return err;
}
capinc_tty_driver = drv;
return 0;
}
-static void capinc_tty_exit(void)
+static void __exit capinc_tty_exit(void)
{
- struct tty_driver *drv = capinc_tty_driver;
- int retval;
- if ((retval = tty_unregister_driver(drv)))
- printk(KERN_ERR "capi: failed to unregister capi_nc driver (%d)\n", retval);
- put_tty_driver(drv);
+ tty_unregister_driver(capinc_tty_driver);
+ put_tty_driver(capinc_tty_driver);
+ kfree(capiminors);
}
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
+#else /* !CONFIG_ISDN_CAPI_MIDDLEWARE */
+
+static inline int capinc_tty_init(void)
+{
+ return 0;
+}
+
+static inline void capinc_tty_exit(void) { }
+
+#endif /* !CONFIG_ISDN_CAPI_MIDDLEWARE */
/* -------- /proc functions ----------------------------------------- */
@@ -1414,134 +1321,91 @@ static void capinc_tty_exit(void)
* /proc/capi/capi20:
* minor applid nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt
*/
-static int proc_capidev_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int capi20_proc_show(struct seq_file *m, void *v)
{
- struct capidev *cdev;
+ struct capidev *cdev;
struct list_head *l;
- int len = 0;
- read_lock(&capidev_list_lock);
+ mutex_lock(&capidev_list_lock);
list_for_each(l, &capidev_list) {
cdev = list_entry(l, struct capidev, list);
- len += sprintf(page+len, "0 %d %lu %lu %lu %lu\n",
- cdev->ap.applid,
- cdev->ap.nrecvctlpkt,
- cdev->ap.nrecvdatapkt,
- cdev->ap.nsentctlpkt,
- cdev->ap.nsentdatapkt);
- if (len <= off) {
- off -= len;
- len = 0;
- } else {
- if (len-off > count)
- goto endloop;
- }
+ seq_printf(m, "0 %d %lu %lu %lu %lu\n",
+ cdev->ap.applid,
+ cdev->ap.nrecvctlpkt,
+ cdev->ap.nrecvdatapkt,
+ cdev->ap.nsentctlpkt,
+ cdev->ap.nsentdatapkt);
}
+ mutex_unlock(&capidev_list_lock);
+ return 0;
+}
-endloop:
- read_unlock(&capidev_list_lock);
- if (len < count)
- *eof = 1;
- if (len > count) len = count;
- if (len < 0) len = 0;
- return len;
+static int capi20_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, capi20_proc_show, NULL);
}
+static const struct file_operations capi20_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = capi20_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/*
* /proc/capi/capi20ncci:
* applid ncci
*/
-static int proc_capincci_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int capi20ncci_proc_show(struct seq_file *m, void *v)
{
- struct capidev *cdev;
- struct capincci *np;
- struct list_head *l;
- int len = 0;
+ struct capidev *cdev;
+ struct capincci *np;
- read_lock(&capidev_list_lock);
- list_for_each(l, &capidev_list) {
- cdev = list_entry(l, struct capidev, list);
- for (np=cdev->nccis; np; np = np->next) {
- len += sprintf(page+len, "%d 0x%x\n",
- cdev->ap.applid,
- np->ncci);
- if (len <= off) {
- off -= len;
- len = 0;
- } else {
- if (len-off > count)
- goto endloop;
- }
- }
+ mutex_lock(&capidev_list_lock);
+ list_for_each_entry(cdev, &capidev_list, list) {
+ mutex_lock(&cdev->lock);
+ list_for_each_entry(np, &cdev->nccis, list)
+ seq_printf(m, "%d 0x%x\n", cdev->ap.applid, np->ncci);
+ mutex_unlock(&cdev->lock);
}
-endloop:
- read_unlock(&capidev_list_lock);
- *start = page+off;
- if (len < count)
- *eof = 1;
- if (len>count) len = count;
- if (len<0) len = 0;
- return len;
+ mutex_unlock(&capidev_list_lock);
+ return 0;
}
-static struct procfsentries {
- char *name;
- mode_t mode;
- int (*read_proc)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
- struct proc_dir_entry *procent;
-} procfsentries[] = {
- /* { "capi", S_IFDIR, 0 }, */
- { "capi/capi20", 0 , proc_capidev_read_proc },
- { "capi/capi20ncci", 0 , proc_capincci_read_proc },
+static int capi20ncci_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, capi20ncci_proc_show, NULL);
+}
+
+static const struct file_operations capi20ncci_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = capi20ncci_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
static void __init proc_init(void)
{
- int nelem = ARRAY_SIZE(procfsentries);
- int i;
-
- for (i=0; i < nelem; i++) {
- struct procfsentries *p = procfsentries + i;
- p->procent = create_proc_entry(p->name, p->mode, NULL);
- if (p->procent) p->procent->read_proc = p->read_proc;
- }
+ proc_create("capi/capi20", 0, NULL, &capi20_proc_fops);
+ proc_create("capi/capi20ncci", 0, NULL, &capi20ncci_proc_fops);
}
static void __exit proc_exit(void)
{
- int nelem = ARRAY_SIZE(procfsentries);
- int i;
-
- for (i=nelem-1; i >= 0; i--) {
- struct procfsentries *p = procfsentries + i;
- if (p->procent) {
- remove_proc_entry(p->name, NULL);
- p->procent = NULL;
- }
- }
+ remove_proc_entry("capi/capi20", NULL);
+ remove_proc_entry("capi/capi20ncci", NULL);
}
/* -------- init function and module interface ---------------------- */
-static char rev[32];
-
static int __init capi_init(void)
{
- char *p;
- char *compileinfo;
+ const char *compileinfo;
int major_ret;
- if ((p = strchr(revision, ':')) != NULL && p[1]) {
- strlcpy(rev, p + 2, sizeof(rev));
- if ((p = strchr(rev, '$')) != NULL && p > rev)
- *(p-1) = 0;
- } else
- strcpy(rev, "1.0");
-
major_ret = register_chrdev(capi_major, "capi20", &capi_fops);
if (major_ret < 0) {
printk(KERN_ERR "capi20: unable to get major %d\n", capi_major);
@@ -1553,30 +1417,24 @@ static int __init capi_init(void)
return PTR_ERR(capi_class);
}
- device_create(capi_class, NULL, MKDEV(capi_major, 0), NULL, "capi");
+ device_create(capi_class, NULL, MKDEV(capi_major, 0), NULL, "capi20");
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
if (capinc_tty_init() < 0) {
device_destroy(capi_class, MKDEV(capi_major, 0));
class_destroy(capi_class);
unregister_chrdev(capi_major, "capi20");
return -ENOMEM;
}
-#endif /* CONFIG_ISDN_CAPI_MIDDLEWARE */
proc_init();
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
-#if defined(CONFIG_ISDN_CAPI_CAPIFS) || defined(CONFIG_ISDN_CAPI_CAPIFS_MODULE)
- compileinfo = " (middleware+capifs)";
-#else
- compileinfo = " (no capifs)";
-#endif
+ compileinfo = " (middleware)";
#else
- compileinfo = " (no middleware)";
+ compileinfo = " (no middleware)";
#endif
- printk(KERN_NOTICE "capi20: Rev %s: started up with major %d%s\n",
- rev, capi_major, compileinfo);
+ printk(KERN_NOTICE "CAPI 2.0 started up with major %d%s\n",
+ capi_major, compileinfo);
return 0;
}
@@ -1589,10 +1447,7 @@ static void __exit capi_exit(void)
class_destroy(capi_class);
unregister_chrdev(capi_major, "capi20");
-#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
capinc_tty_exit();
-#endif
- printk(KERN_NOTICE "capi: Rev %s: unloaded\n", rev);
}
module_init(capi_init);
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index 650120261ab..fd6d28f3fc3 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -24,6 +24,7 @@
#include <linux/isdn.h>
#include <linux/isdnif.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/capi.h>
#include <linux/kernelcapi.h>
#include <linux/ctype.h>
@@ -34,13 +35,12 @@
#include <linux/isdn/capicmd.h>
#include "capidrv.h"
-static char *revision = "$Revision: 1.1.2.2 $";
static int debugmode = 0;
MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux");
MODULE_AUTHOR("Carsten Paeth");
MODULE_LICENSE("GPL");
-module_param(debugmode, uint, 0);
+module_param(debugmode, uint, S_IRUGO | S_IWUSR);
/* -------- type definitions ----------------------------------------- */
@@ -64,7 +64,7 @@ struct capidrv_contr {
int state;
u32 cipmask;
u32 cipmask2;
- struct timer_list listentimer;
+ struct timer_list listentimer;
/*
* ID of capi message sent
@@ -105,9 +105,9 @@ struct capidrv_contr {
/* */
u16 datahandle;
struct ncci_datahandle_queue {
- struct ncci_datahandle_queue *next;
- u16 datahandle;
- int len;
+ struct ncci_datahandle_queue *next;
+ u16 datahandle;
+ int len;
} *ackqueue;
} *ncci_list;
} *plcip;
@@ -142,7 +142,7 @@ static capidrv_data global;
static DEFINE_SPINLOCK(global_lock);
static void handle_dtrace_data(capidrv_contr *card,
- int send, int level2, u8 *data, u16 len);
+ int send, int level2, u8 *data, u16 len);
/* -------- convert functions ---------------------------------------- */
@@ -158,11 +158,11 @@ static inline u32 b1prot(int l2, int l3)
return 0;
case ISDN_PROTO_L2_TRANS:
return 1;
- case ISDN_PROTO_L2_V11096:
- case ISDN_PROTO_L2_V11019:
- case ISDN_PROTO_L2_V11038:
+ case ISDN_PROTO_L2_V11096:
+ case ISDN_PROTO_L2_V11019:
+ case ISDN_PROTO_L2_V11038:
return 2;
- case ISDN_PROTO_L2_FAX:
+ case ISDN_PROTO_L2_FAX:
return 4;
case ISDN_PROTO_L2_MODEM:
return 8;
@@ -179,12 +179,12 @@ static inline u32 b2prot(int l2, int l3)
return 0;
case ISDN_PROTO_L2_HDLC:
case ISDN_PROTO_L2_TRANS:
- case ISDN_PROTO_L2_V11096:
- case ISDN_PROTO_L2_V11019:
- case ISDN_PROTO_L2_V11038:
+ case ISDN_PROTO_L2_V11096:
+ case ISDN_PROTO_L2_V11019:
+ case ISDN_PROTO_L2_V11038:
case ISDN_PROTO_L2_MODEM:
return 1;
- case ISDN_PROTO_L2_FAX:
+ case ISDN_PROTO_L2_FAX:
return 4;
}
}
@@ -197,13 +197,13 @@ static inline u32 b3prot(int l2, int l3)
case ISDN_PROTO_L2_X75BUI:
case ISDN_PROTO_L2_HDLC:
case ISDN_PROTO_L2_TRANS:
- case ISDN_PROTO_L2_V11096:
- case ISDN_PROTO_L2_V11019:
- case ISDN_PROTO_L2_V11038:
+ case ISDN_PROTO_L2_V11096:
+ case ISDN_PROTO_L2_V11019:
+ case ISDN_PROTO_L2_V11038:
case ISDN_PROTO_L2_MODEM:
default:
return 0;
- case ISDN_PROTO_L2_FAX:
+ case ISDN_PROTO_L2_FAX:
return 4;
}
}
@@ -231,38 +231,38 @@ static _cstruct b1config(int l2, int l3)
case ISDN_PROTO_L2_TRANS:
default:
return NULL;
- case ISDN_PROTO_L2_V11096:
- return b1config_async_v110(9600);
- case ISDN_PROTO_L2_V11019:
- return b1config_async_v110(19200);
- case ISDN_PROTO_L2_V11038:
- return b1config_async_v110(38400);
+ case ISDN_PROTO_L2_V11096:
+ return b1config_async_v110(9600);
+ case ISDN_PROTO_L2_V11019:
+ return b1config_async_v110(19200);
+ case ISDN_PROTO_L2_V11038:
+ return b1config_async_v110(38400);
}
}
static inline u16 si2cip(u8 si1, u8 si2)
{
static const u8 cip[17][5] =
- {
- /* 0 1 2 3 4 */
- {0, 0, 0, 0, 0}, /*0 */
- {16, 16, 4, 26, 16}, /*1 */
- {17, 17, 17, 4, 4}, /*2 */
- {2, 2, 2, 2, 2}, /*3 */
- {18, 18, 18, 18, 18}, /*4 */
- {2, 2, 2, 2, 2}, /*5 */
- {0, 0, 0, 0, 0}, /*6 */
- {2, 2, 2, 2, 2}, /*7 */
- {2, 2, 2, 2, 2}, /*8 */
- {21, 21, 21, 21, 21}, /*9 */
- {19, 19, 19, 19, 19}, /*10 */
- {0, 0, 0, 0, 0}, /*11 */
- {0, 0, 0, 0, 0}, /*12 */
- {0, 0, 0, 0, 0}, /*13 */
- {0, 0, 0, 0, 0}, /*14 */
- {22, 22, 22, 22, 22}, /*15 */
- {27, 27, 27, 28, 27} /*16 */
- };
+ {
+ /* 0 1 2 3 4 */
+ {0, 0, 0, 0, 0}, /*0 */
+ {16, 16, 4, 26, 16}, /*1 */
+ {17, 17, 17, 4, 4}, /*2 */
+ {2, 2, 2, 2, 2}, /*3 */
+ {18, 18, 18, 18, 18}, /*4 */
+ {2, 2, 2, 2, 2}, /*5 */
+ {0, 0, 0, 0, 0}, /*6 */
+ {2, 2, 2, 2, 2}, /*7 */
+ {2, 2, 2, 2, 2}, /*8 */
+ {21, 21, 21, 21, 21}, /*9 */
+ {19, 19, 19, 19, 19}, /*10 */
+ {0, 0, 0, 0, 0}, /*11 */
+ {0, 0, 0, 0, 0}, /*12 */
+ {0, 0, 0, 0, 0}, /*13 */
+ {0, 0, 0, 0, 0}, /*14 */
+ {22, 22, 22, 22, 22}, /*15 */
+ {27, 27, 27, 28, 27} /*16 */
+ };
if (si1 > 16)
si1 = 0;
if (si2 > 4)
@@ -274,10 +274,10 @@ static inline u16 si2cip(u8 si1, u8 si2)
static inline u8 cip2si1(u16 cipval)
{
static const u8 si[32] =
- {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */
- 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */
- 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */
- 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */
+ {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */
+ 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */
+ 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */
+ 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */
if (cipval > 31)
cipval = 0; /* .... */
@@ -287,10 +287,10 @@ static inline u8 cip2si1(u16 cipval)
static inline u8 cip2si2(u16 cipval)
{
static const u8 si[32] =
- {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */
- 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */
- 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */
- 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */
+ {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */
+ 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */
+ 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */
+ 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */
if (cipval > 31)
cipval = 0; /* .... */
@@ -302,7 +302,7 @@ static inline u8 cip2si2(u16 cipval)
static inline capidrv_contr *findcontrbydriverid(int driverid)
{
- unsigned long flags;
+ unsigned long flags;
capidrv_contr *p;
spin_lock_irqsave(&global_lock, flags);
@@ -329,7 +329,7 @@ static capidrv_contr *findcontrbynumber(u32 contr)
/* -------- plci management ------------------------------------------ */
-static capidrv_plci *new_plci(capidrv_contr * card, int chan)
+static capidrv_plci *new_plci(capidrv_contr *card, int chan)
{
capidrv_plci *plcip;
@@ -349,7 +349,7 @@ static capidrv_plci *new_plci(capidrv_contr * card, int chan)
return plcip;
}
-static capidrv_plci *find_plci_by_plci(capidrv_contr * card, u32 plci)
+static capidrv_plci *find_plci_by_plci(capidrv_contr *card, u32 plci)
{
capidrv_plci *p;
for (p = card->plci_list; p; p = p->next)
@@ -358,7 +358,7 @@ static capidrv_plci *find_plci_by_plci(capidrv_contr * card, u32 plci)
return NULL;
}
-static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, u16 msgid)
+static capidrv_plci *find_plci_by_msgid(capidrv_contr *card, u16 msgid)
{
capidrv_plci *p;
for (p = card->plci_list; p; p = p->next)
@@ -367,7 +367,7 @@ static capidrv_plci *find_plci_by_msgid(capidrv_contr * card, u16 msgid)
return NULL;
}
-static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, u32 ncci)
+static capidrv_plci *find_plci_by_ncci(capidrv_contr *card, u32 ncci)
{
capidrv_plci *p;
for (p = card->plci_list; p; p = p->next)
@@ -376,7 +376,7 @@ static capidrv_plci *find_plci_by_ncci(capidrv_contr * card, u32 ncci)
return NULL;
}
-static void free_plci(capidrv_contr * card, capidrv_plci * plcip)
+static void free_plci(capidrv_contr *card, capidrv_plci *plcip)
{
capidrv_plci **pp;
@@ -396,8 +396,8 @@ static void free_plci(capidrv_contr * card, capidrv_plci * plcip)
/* -------- ncci management ------------------------------------------ */
-static inline capidrv_ncci *new_ncci(capidrv_contr * card,
- capidrv_plci * plcip,
+static inline capidrv_ncci *new_ncci(capidrv_contr *card,
+ capidrv_plci *plcip,
u32 ncci)
{
capidrv_ncci *nccip;
@@ -421,7 +421,7 @@ static inline capidrv_ncci *new_ncci(capidrv_contr * card,
return nccip;
}
-static inline capidrv_ncci *find_ncci(capidrv_contr * card, u32 ncci)
+static inline capidrv_ncci *find_ncci(capidrv_contr *card, u32 ncci)
{
capidrv_plci *plcip;
capidrv_ncci *p;
@@ -435,7 +435,7 @@ static inline capidrv_ncci *find_ncci(capidrv_contr * card, u32 ncci)
return NULL;
}
-static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card,
+static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr *card,
u32 ncci, u16 msgid)
{
capidrv_plci *plcip;
@@ -450,7 +450,7 @@ static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr * card,
return NULL;
}
-static void free_ncci(capidrv_contr * card, struct capidrv_ncci *nccip)
+static void free_ncci(capidrv_contr *card, struct capidrv_ncci *nccip)
{
struct capidrv_ncci **pp;
@@ -465,20 +465,19 @@ static void free_ncci(capidrv_contr * card, struct capidrv_ncci *nccip)
}
static int capidrv_add_ack(struct capidrv_ncci *nccip,
- u16 datahandle, int len)
+ u16 datahandle, int len)
{
struct ncci_datahandle_queue *n, **pp;
- n = (struct ncci_datahandle_queue *)
- kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
+ n = kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
if (!n) {
- printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n");
- return -1;
+ printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n");
+ return -1;
}
n->next = NULL;
n->datahandle = datahandle;
n->len = len;
- for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) ;
+ for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next);
*pp = n;
return 0;
}
@@ -489,11 +488,11 @@ static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle)
int len;
for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) {
- if ((*pp)->datahandle == datahandle) {
+ if ((*pp)->datahandle == datahandle) {
p = *pp;
len = p->len;
*pp = (*pp)->next;
- kfree(p);
+ kfree(p);
return len;
}
}
@@ -502,7 +501,7 @@ static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle)
/* -------- convert and send capi message ---------------------------- */
-static void send_message(capidrv_contr * card, _cmsg * cmsg)
+static void send_message(capidrv_contr *card, _cmsg *cmsg)
{
struct sk_buff *skb;
size_t len;
@@ -529,18 +528,18 @@ struct listenstatechange {
static struct listenstatechange listentable[] =
{
- {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ},
- {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ},
- {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR},
- {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR},
- {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
- {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
- {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
- {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
- {},
+ {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ},
+ {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ},
+ {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR},
+ {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR},
+ {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
+ {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
+ {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
+ {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
+ {},
};
-static void listen_change_state(capidrv_contr * card, int event)
+static void listen_change_state(capidrv_contr *card, int event)
{
struct listenstatechange *p = listentable;
while (p->event) {
@@ -560,7 +559,7 @@ static void listen_change_state(capidrv_contr * card, int event)
/* ------------------------------------------------------------------ */
-static void p0(capidrv_contr * card, capidrv_plci * plci)
+static void p0(capidrv_contr *card, capidrv_plci *plci)
{
isdn_ctrl cmd;
@@ -578,71 +577,71 @@ struct plcistatechange {
int actstate;
int nextstate;
int event;
- void (*changefunc) (capidrv_contr * card, capidrv_plci * plci);
+ void (*changefunc)(capidrv_contr *card, capidrv_plci *plci);
};
static struct plcistatechange plcitable[] =
{
- /* P-0 */
- {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, NULL},
- {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL},
- {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL},
- {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL},
- /* P-0.1 */
- {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0},
- {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, NULL},
- /* P-1 */
- {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-ACT */
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL},
- {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL},
- /* P-2 */
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL},
- /* P-3 */
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-4 */
- {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
- {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-5 */
- {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
- /* P-6 */
- {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
- /* P-0.Res */
- {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0},
- {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL},
- /* P-RES */
- {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL},
- /* P-HELD */
- {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL},
- {},
+ /* P-0 */
+ {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, NULL},
+ {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL},
+ {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL},
+ {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL},
+ /* P-0.1 */
+ {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0},
+ {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, NULL},
+ /* P-1 */
+ {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-ACT */
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL},
+ {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL},
+ /* P-2 */
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL},
+ /* P-3 */
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-4 */
+ {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
+ {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-5 */
+ {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
+ /* P-6 */
+ {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
+ /* P-0.Res */
+ {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0},
+ {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL},
+ /* P-RES */
+ {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL},
+ /* P-HELD */
+ {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL},
+ {},
};
-static void plci_change_state(capidrv_contr * card, capidrv_plci * plci, int event)
+static void plci_change_state(capidrv_contr *card, capidrv_plci *plci, int event)
{
struct plcistatechange *p = plcitable;
while (p->event) {
if (plci->state == p->actstate && p->event == event) {
if (debugmode)
printk(KERN_DEBUG "capidrv-%d: plci_change_state:0x%x %d -> %d\n",
- card->contrnr, plci->plci, plci->state, p->nextstate);
+ card->contrnr, plci->plci, plci->state, p->nextstate);
plci->state = p->nextstate;
if (p->changefunc)
p->changefunc(card, plci);
@@ -658,7 +657,7 @@ static void plci_change_state(capidrv_contr * card, capidrv_plci * plci, int eve
static _cmsg cmsg;
-static void n0(capidrv_contr * card, capidrv_ncci * ncci)
+static void n0(capidrv_contr *card, capidrv_ncci *ncci)
{
isdn_ctrl cmd;
@@ -670,9 +669,9 @@ static void n0(capidrv_contr * card, capidrv_ncci * ncci)
NULL, /* Keypadfacility */
NULL, /* Useruserdata */ /* $$$$ */
NULL /* Facilitydataarray */
- );
- send_message(card, &cmsg);
+ );
plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
+ send_message(card, &cmsg);
cmd.command = ISDN_STAT_BHUP;
cmd.driver = card->myid;
@@ -687,51 +686,51 @@ struct nccistatechange {
int actstate;
int nextstate;
int event;
- void (*changefunc) (capidrv_contr * card, capidrv_ncci * ncci);
+ void (*changefunc)(capidrv_contr *card, capidrv_ncci *ncci);
};
static struct nccistatechange nccitable[] =
{
- /* N-0 */
- {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, NULL},
- {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL},
- /* N-0.1 */
- {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL},
- {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0},
- /* N-1 */
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL},
- {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL},
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-2 */
- {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL},
- {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-ACT */
- {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
- {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL},
- {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-3 */
- {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
- {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
- /* N-4 */
- {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
- {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR,NULL},
- /* N-5 */
- {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0},
- {},
+ /* N-0 */
+ {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, NULL},
+ {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL},
+ /* N-0.1 */
+ {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL},
+ {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0},
+ /* N-1 */
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL},
+ {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL},
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-2 */
+ {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL},
+ {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-ACT */
+ {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
+ {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL},
+ {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-3 */
+ {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
+ {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
+ /* N-4 */
+ {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
+ {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, NULL},
+ /* N-5 */
+ {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0},
+ {},
};
-static void ncci_change_state(capidrv_contr * card, capidrv_ncci * ncci, int event)
+static void ncci_change_state(capidrv_contr *card, capidrv_ncci *ncci, int event)
{
struct nccistatechange *p = nccitable;
while (p->event) {
if (ncci->state == p->actstate && p->event == event) {
if (debugmode)
printk(KERN_DEBUG "capidrv-%d: ncci_change_state:0x%x %d -> %d\n",
- card->contrnr, ncci->ncci, ncci->state, p->nextstate);
+ card->contrnr, ncci->ncci, ncci->state, p->nextstate);
if (p->nextstate == ST_NCCI_PREVIOUS) {
ncci->state = ncci->oldstate;
ncci->oldstate = p->actstate;
@@ -751,7 +750,7 @@ static void ncci_change_state(capidrv_contr * card, capidrv_ncci * ncci, int eve
/* ------------------------------------------------------------------- */
-static inline int new_bchan(capidrv_contr * card)
+static inline int new_bchan(capidrv_contr *card)
{
int i;
for (i = 0; i < card->nbchan; i++) {
@@ -764,8 +763,203 @@ static inline int new_bchan(capidrv_contr * card)
}
/* ------------------------------------------------------------------- */
+static char *capi_info2str(u16 reason)
+{
+#ifndef CONFIG_ISDN_CAPI_CAPIDRV_VERBOSE
+ return "..";
+#else
+ switch (reason) {
+
+/*-- informative values (corresponding message was processed) -----*/
+ case 0x0001:
+ return "NCPI not supported by current protocol, NCPI ignored";
+ case 0x0002:
+ return "Flags not supported by current protocol, flags ignored";
+ case 0x0003:
+ return "Alert already sent by another application";
+
+/*-- error information concerning CAPI_REGISTER -----*/
+ case 0x1001:
+ return "Too many applications";
+ case 0x1002:
+ return "Logical block size too small, must be at least 128 Bytes";
+ case 0x1003:
+ return "Buffer exceeds 64 kByte";
+ case 0x1004:
+ return "Message buffer size too small, must be at least 1024 Bytes";
+ case 0x1005:
+ return "Max. number of logical connections not supported";
+ case 0x1006:
+ return "Reserved";
+ case 0x1007:
+ return "The message could not be accepted because of an internal busy condition";
+ case 0x1008:
+ return "OS resource error (no memory ?)";
+ case 0x1009:
+ return "CAPI not installed";
+ case 0x100A:
+ return "Controller does not support external equipment";
+ case 0x100B:
+ return "Controller does only support external equipment";
+
+/*-- error information concerning message exchange functions -----*/
+ case 0x1101:
+ return "Illegal application number";
+ case 0x1102:
+ return "Illegal command or subcommand or message length less than 12 bytes";
+ case 0x1103:
+ return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI";
+ case 0x1104:
+ return "Queue is empty";
+ case 0x1105:
+ return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
+ case 0x1106:
+ return "Unknown notification parameter";
+ case 0x1107:
+ return "The Message could not be accepted because of an internal busy condition";
+ case 0x1108:
+ return "OS Resource error (no memory ?)";
+ case 0x1109:
+ return "CAPI not installed";
+ case 0x110A:
+ return "Controller does not support external equipment";
+ case 0x110B:
+ return "Controller does only support external equipment";
+
+/*-- error information concerning resource / coding problems -----*/
+ case 0x2001:
+ return "Message not supported in current state";
+ case 0x2002:
+ return "Illegal Controller / PLCI / NCCI";
+ case 0x2003:
+ return "Out of PLCI";
+ case 0x2004:
+ return "Out of NCCI";
+ case 0x2005:
+ return "Out of LISTEN";
+ case 0x2006:
+ return "Out of FAX resources (protocol T.30)";
+ case 0x2007:
+ return "Illegal message parameter coding";
+
+/*-- error information concerning requested services -----*/
+ case 0x3001:
+ return "B1 protocol not supported";
+ case 0x3002:
+ return "B2 protocol not supported";
+ case 0x3003:
+ return "B3 protocol not supported";
+ case 0x3004:
+ return "B1 protocol parameter not supported";
+ case 0x3005:
+ return "B2 protocol parameter not supported";
+ case 0x3006:
+ return "B3 protocol parameter not supported";
+ case 0x3007:
+ return "B protocol combination not supported";
+ case 0x3008:
+ return "NCPI not supported";
+ case 0x3009:
+ return "CIP Value unknown";
+ case 0x300A:
+ return "Flags not supported (reserved bits)";
+ case 0x300B:
+ return "Facility not supported";
+ case 0x300C:
+ return "Data length not supported by current protocol";
+ case 0x300D:
+ return "Reset procedure not supported by current protocol";
+
+/*-- informations about the clearing of a physical connection -----*/
+ case 0x3301:
+ return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
+ case 0x3302:
+ return "Protocol error layer 2";
+ case 0x3303:
+ return "Protocol error layer 3";
+ case 0x3304:
+ return "Another application got that call";
+/*-- T.30 specific reasons -----*/
+ case 0x3311:
+ return "Connecting not successful (remote station is no FAX G3 machine)";
+ case 0x3312:
+ return "Connecting not successful (training error)";
+ case 0x3313:
+ return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
+ case 0x3314:
+ return "Disconnected during transfer (remote abort)";
+ case 0x3315:
+ return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
+ case 0x3316:
+ return "Disconnected during transfer (local tx data underrun)";
+ case 0x3317:
+ return "Disconnected during transfer (local rx data overflow)";
+ case 0x3318:
+ return "Disconnected during transfer (local abort)";
+ case 0x3319:
+ return "Illegal parameter coding (e.g. SFF coding error)";
+
+/*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
+ case 0x3481: return "Unallocated (unassigned) number";
+ case 0x3482: return "No route to specified transit network";
+ case 0x3483: return "No route to destination";
+ case 0x3486: return "Channel unacceptable";
+ case 0x3487:
+ return "Call awarded and being delivered in an established channel";
+ case 0x3490: return "Normal call clearing";
+ case 0x3491: return "User busy";
+ case 0x3492: return "No user responding";
+ case 0x3493: return "No answer from user (user alerted)";
+ case 0x3495: return "Call rejected";
+ case 0x3496: return "Number changed";
+ case 0x349A: return "Non-selected user clearing";
+ case 0x349B: return "Destination out of order";
+ case 0x349C: return "Invalid number format";
+ case 0x349D: return "Facility rejected";
+ case 0x349E: return "Response to STATUS ENQUIRY";
+ case 0x349F: return "Normal, unspecified";
+ case 0x34A2: return "No circuit / channel available";
+ case 0x34A6: return "Network out of order";
+ case 0x34A9: return "Temporary failure";
+ case 0x34AA: return "Switching equipment congestion";
+ case 0x34AB: return "Access information discarded";
+ case 0x34AC: return "Requested circuit / channel not available";
+ case 0x34AF: return "Resources unavailable, unspecified";
+ case 0x34B1: return "Quality of service unavailable";
+ case 0x34B2: return "Requested facility not subscribed";
+ case 0x34B9: return "Bearer capability not authorized";
+ case 0x34BA: return "Bearer capability not presently available";
+ case 0x34BF: return "Service or option not available, unspecified";
+ case 0x34C1: return "Bearer capability not implemented";
+ case 0x34C2: return "Channel type not implemented";
+ case 0x34C5: return "Requested facility not implemented";
+ case 0x34C6: return "Only restricted digital information bearer capability is available";
+ case 0x34CF: return "Service or option not implemented, unspecified";
+ case 0x34D1: return "Invalid call reference value";
+ case 0x34D2: return "Identified channel does not exist";
+ case 0x34D3: return "A suspended call exists, but this call identity does not";
+ case 0x34D4: return "Call identity in use";
+ case 0x34D5: return "No call suspended";
+ case 0x34D6: return "Call having the requested call identity has been cleared";
+ case 0x34D8: return "Incompatible destination";
+ case 0x34DB: return "Invalid transit network selection";
+ case 0x34DF: return "Invalid message, unspecified";
+ case 0x34E0: return "Mandatory information element is missing";
+ case 0x34E1: return "Message type non-existent or not implemented";
+ case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
+ case 0x34E3: return "Information element non-existent or not implemented";
+ case 0x34E4: return "Invalid information element contents";
+ case 0x34E5: return "Message not compatible with call state";
+ case 0x34E6: return "Recovery on timer expiry";
+ case 0x34EF: return "Protocol error, unspecified";
+ case 0x34FF: return "Interworking, unspecified";
+
+ default: return "No additional information";
+ }
+#endif
+}
-static void handle_controller(_cmsg * cmsg)
+static void handle_controller(_cmsg *cmsg)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
@@ -791,54 +985,54 @@ static void handle_controller(_cmsg * cmsg)
break;
case CAPI_MANUFACTURER_IND: /* Controller */
- if ( cmsg->ManuID == 0x214D5641
+ if (cmsg->ManuID == 0x214D5641
&& cmsg->Class == 0
&& cmsg->Function == 1) {
- u8 *data = cmsg->ManuData+3;
- u16 len = cmsg->ManuData[0];
- u16 layer;
- int direction;
- if (len == 255) {
- len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8));
- data += 2;
- }
- len -= 2;
- layer = ((*(data-1)) << 8) | *(data-2);
- if (layer & 0x300)
- direction = (layer & 0x200) ? 0 : 1;
- else direction = (layer & 0x800) ? 0 : 1;
- if (layer & 0x0C00) {
- if ((layer & 0xff) == 0x80) {
- handle_dtrace_data(card, direction, 1, data, len);
- break;
- }
- } else if ((layer & 0xff) < 0x80) {
- handle_dtrace_data(card, direction, 0, data, len);
- break;
- }
- printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrController, layer);
- break;
+ u8 *data = cmsg->ManuData + 3;
+ u16 len = cmsg->ManuData[0];
+ u16 layer;
+ int direction;
+ if (len == 255) {
+ len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8));
+ data += 2;
+ }
+ len -= 2;
+ layer = ((*(data - 1)) << 8) | *(data - 2);
+ if (layer & 0x300)
+ direction = (layer & 0x200) ? 0 : 1;
+ else direction = (layer & 0x800) ? 0 : 1;
+ if (layer & 0x0C00) {
+ if ((layer & 0xff) == 0x80) {
+ handle_dtrace_data(card, direction, 1, data, len);
+ break;
+ }
+ } else if ((layer & 0xff) < 0x80) {
+ handle_dtrace_data(card, direction, 0, data, len);
+ break;
+ }
+ printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController, layer);
+ break;
}
goto ignored;
case CAPI_MANUFACTURER_CONF: /* Controller */
if (cmsg->ManuID == 0x214D5641) {
- char *s = NULL;
- switch (cmsg->Class) {
- case 0: break;
- case 1: s = "unknown class"; break;
- case 2: s = "unknown function"; break;
- default: s = "unkown error"; break;
- }
- if (s)
- printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->adr.adrController,
- cmsg->Function, s);
- break;
+ char *s = NULL;
+ switch (cmsg->Class) {
+ case 0: break;
+ case 1: s = "unknown class"; break;
+ case 2: s = "unknown function"; break;
+ default: s = "unknown error"; break;
+ }
+ if (s)
+ printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n",
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->adr.adrController,
+ cmsg->Function, s);
+ break;
}
goto ignored;
case CAPI_FACILITY_IND: /* Controller/plci/ncci */
@@ -858,14 +1052,14 @@ static void handle_controller(_cmsg * cmsg)
}
return;
- ignored:
+ignored:
printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n",
card->contrnr,
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrController);
}
-static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
+static void handle_incoming_call(capidrv_contr *card, _cmsg *cmsg)
{
capidrv_plci *plcip;
capidrv_bchan *bchan;
@@ -890,27 +1084,27 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
cmd.arg = chan;
memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup));
strncpy(cmd.parm.setup.phone,
- cmsg->CallingPartyNumber + 3,
+ cmsg->CallingPartyNumber + 3,
cmsg->CallingPartyNumber[0] - 2);
strncpy(cmd.parm.setup.eazmsn,
- cmsg->CalledPartyNumber + 2,
+ cmsg->CalledPartyNumber + 2,
cmsg->CalledPartyNumber[0] - 1);
cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue);
cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue);
cmd.parm.setup.plan = cmsg->CallingPartyNumber[1];
cmd.parm.setup.screen = cmsg->CallingPartyNumber[2];
- printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s\n",
- card->contrnr,
- cmd.parm.setup.phone,
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- cmd.parm.setup.eazmsn);
+ printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s\n",
+ card->contrnr,
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) {
- printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n",
- card->contrnr,
- cmd.parm.setup.si2);
+ printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n",
+ card->contrnr,
+ cmd.parm.setup.si2);
cmd.parm.setup.si2 = 0;
}
@@ -924,14 +1118,14 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
*/
capi_cmsg_answer(cmsg);
cmsg->Reject = 1; /* ignore */
- send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ send_message(card, cmsg);
printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n",
- card->contrnr,
- cmd.parm.setup.phone,
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- cmd.parm.setup.eazmsn);
+ card->contrnr,
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
break;
case 1:
/* At least one device matching this call (RING on ttyI)
@@ -945,11 +1139,11 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
*/
if (plcip->state == ST_PLCI_INCOMING) {
printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s tty alerting\n",
- card->contrnr,
- cmd.parm.setup.phone,
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- cmd.parm.setup.eazmsn);
+ card->contrnr,
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
capi_fill_ALERT_REQ(cmsg,
global.ap.applid,
card->msgid++,
@@ -958,24 +1152,24 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
NULL,/* Keypadfacility */
NULL,/* Useruserdata */
NULL /* Facilitydataarray */
- );
+ );
plcip->msgid = cmsg->Messagenumber;
send_message(card, cmsg);
} else {
printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n",
- card->contrnr,
- cmd.parm.setup.phone,
- cmd.parm.setup.si1,
- cmd.parm.setup.si2,
- cmd.parm.setup.eazmsn);
+ card->contrnr,
+ cmd.parm.setup.phone,
+ cmd.parm.setup.si1,
+ cmd.parm.setup.si2,
+ cmd.parm.setup.eazmsn);
}
break;
case 2: /* Call will be rejected. */
capi_cmsg_answer(cmsg);
cmsg->Reject = 2; /* reject call, normal call clearing */
- send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ send_message(card, cmsg);
break;
default:
@@ -983,14 +1177,14 @@ static void handle_incoming_call(capidrv_contr * card, _cmsg * cmsg)
capi_cmsg_answer(cmsg);
cmsg->Reject = 8; /* reject call,
destination out of order */
- send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
+ send_message(card, cmsg);
break;
}
return;
}
-static void handle_plci(_cmsg * cmsg)
+static void handle_plci(_cmsg *cmsg)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
capidrv_plci *plcip;
@@ -1008,8 +1202,8 @@ static void handle_plci(_cmsg * cmsg)
case CAPI_DISCONNECT_IND: /* plci */
if (cmsg->Reason) {
printk(KERN_INFO "capidrv-%d: %s reason 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) {
@@ -1020,16 +1214,16 @@ static void handle_plci(_cmsg * cmsg)
card->bchans[plcip->chan].disconnecting = 1;
plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND);
capi_cmsg_answer(cmsg);
- send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
+ send_message(card, cmsg);
break;
case CAPI_DISCONNECT_CONF: /* plci */
if (cmsg->Info) {
printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->Info, capi_info2str(cmsg->Info),
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
@@ -1041,9 +1235,9 @@ static void handle_plci(_cmsg * cmsg)
case CAPI_ALERT_CONF: /* plci */
if (cmsg->Info) {
printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->Info, capi_info2str(cmsg->Info),
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
break;
@@ -1055,9 +1249,9 @@ static void handle_plci(_cmsg * cmsg)
case CAPI_CONNECT_CONF: /* plci */
if (cmsg->Info) {
printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->Info, capi_info2str(cmsg->Info),
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrPLCI);
}
if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber)))
@@ -1078,8 +1272,8 @@ static void handle_plci(_cmsg * cmsg)
if (card->bchans[plcip->chan].incoming) {
capi_cmsg_answer(cmsg);
- send_message(card, cmsg);
plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
+ send_message(card, cmsg);
} else {
capidrv_ncci *nccip;
capi_cmsg_answer(cmsg);
@@ -1096,15 +1290,16 @@ static void handle_plci(_cmsg * cmsg)
card->msgid++,
plcip->plci, /* adr */
NULL /* NCPI */
- );
+ );
nccip->msgid = cmsg->Messagenumber;
+ plci_change_state(card, plcip,
+ EV_PLCI_CONNECT_ACTIVE_IND);
+ ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
send_message(card, cmsg);
cmd.command = ISDN_STAT_DCONN;
cmd.driver = card->myid;
cmd.arg = plcip->chan;
card->interface.statcallb(&cmd);
- plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
- ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
}
break;
@@ -1121,8 +1316,8 @@ static void handle_plci(_cmsg * cmsg)
sprintf(cmd.parm.num, "%lu",
(unsigned long)
((u32) cmsg->InfoElement[1]
- | ((u32) (cmsg->InfoElement[2]) << 8)
- | ((u32) (cmsg->InfoElement[3]) << 16)
+ | ((u32) (cmsg->InfoElement[2]) << 8)
+ | ((u32) (cmsg->InfoElement[3]) << 16)
| ((u32) (cmsg->InfoElement[4]) << 24)));
card->interface.statcallb(&cmd);
break;
@@ -1131,11 +1326,11 @@ static void handle_plci(_cmsg * cmsg)
cdb = capi_cmsg2str(cmsg);
if (cdb) {
printk(KERN_WARNING "capidrv-%d: %s\n",
- card->contrnr, cdb->buf);
+ card->contrnr, cdb->buf);
cdebbuf_free(cdb);
} else
printk(KERN_WARNING "capidrv-%d: CAPI_INFO_IND InfoNumber %x not handled\n",
- card->contrnr, cmsg->InfoNumber);
+ card->contrnr, cmsg->InfoNumber);
break;
@@ -1158,13 +1353,13 @@ static void handle_plci(_cmsg * cmsg)
cmsg->adr.adrPLCI);
}
return;
- ignored:
+ignored:
printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n",
card->contrnr,
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrPLCI);
return;
- notfound:
+notfound:
printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n",
card->contrnr,
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
@@ -1172,7 +1367,7 @@ static void handle_plci(_cmsg * cmsg)
return;
}
-static void handle_ncci(_cmsg * cmsg)
+static void handle_ncci(_cmsg *cmsg)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
capidrv_plci *plcip;
@@ -1193,8 +1388,8 @@ static void handle_ncci(_cmsg * cmsg)
goto notfound;
capi_cmsg_answer(cmsg);
- send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
+ send_message(card, cmsg);
cmd.command = ISDN_STAT_BCONN;
cmd.driver = card->myid;
@@ -1221,16 +1416,16 @@ static void handle_ncci(_cmsg * cmsg)
nccip->ncci, /* adr */
0, /* Reject */
NULL /* NCPI */
- );
- send_message(card, cmsg);
+ );
ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
+ send_message(card, cmsg);
break;
}
printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr);
} else {
printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
}
capi_fill_CONNECT_B3_RESP(cmsg,
@@ -1239,7 +1434,7 @@ static void handle_ncci(_cmsg * cmsg)
cmsg->adr.adrNCCI,
2, /* Reject */
NULL /* NCPI */
- );
+ );
send_message(card, cmsg);
break;
@@ -1253,9 +1448,9 @@ static void handle_ncci(_cmsg * cmsg)
nccip->ncci = cmsg->adr.adrNCCI;
if (cmsg->Info) {
printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->Info, capi_info2str(cmsg->Info),
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrNCCI);
}
@@ -1277,7 +1472,7 @@ static void handle_ncci(_cmsg * cmsg)
case CAPI_DATA_B3_CONF: /* ncci */
if (cmsg->Info) {
printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n",
- cmsg->Info, capi_info2str(cmsg->Info));
+ cmsg->Info, capi_info2str(cmsg->Info));
}
if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
goto notfound;
@@ -1285,11 +1480,11 @@ static void handle_ncci(_cmsg * cmsg)
len = capidrv_del_ack(nccip, cmsg->DataHandle);
if (len < 0)
break;
- cmd.command = ISDN_STAT_BSENT;
- cmd.driver = card->myid;
- cmd.arg = nccip->chan;
+ cmd.command = ISDN_STAT_BSENT;
+ cmd.driver = card->myid;
+ cmd.arg = nccip->chan;
cmd.parm.length = len;
- card->interface.statcallb(&cmd);
+ card->interface.statcallb(&cmd);
break;
case CAPI_DISCONNECT_B3_IND: /* ncci */
@@ -1299,8 +1494,8 @@ static void handle_ncci(_cmsg * cmsg)
card->bchans[nccip->chan].disconnecting = 1;
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND);
capi_cmsg_answer(cmsg);
- send_message(card, cmsg);
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
+ send_message(card, cmsg);
break;
case CAPI_DISCONNECT_B3_CONF: /* ncci */
@@ -1308,9 +1503,9 @@ static void handle_ncci(_cmsg * cmsg)
goto notfound;
if (cmsg->Info) {
printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
- card->contrnr,
- capi_cmd2str(cmsg->Command, cmsg->Subcommand),
- cmsg->Info, capi_info2str(cmsg->Info),
+ card->contrnr,
+ capi_cmd2str(cmsg->Command, cmsg->Subcommand),
+ cmsg->Info, capi_info2str(cmsg->Info),
cmsg->adr.adrNCCI);
ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR);
}
@@ -1339,13 +1534,13 @@ static void handle_ncci(_cmsg * cmsg)
cmsg->adr.adrNCCI);
}
return;
- ignored:
+ignored:
printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n",
card->contrnr,
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
cmsg->adr.adrNCCI);
return;
- notfound:
+notfound:
printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
card->contrnr,
capi_cmd2str(cmsg->Command, cmsg->Subcommand),
@@ -1353,7 +1548,7 @@ static void handle_ncci(_cmsg * cmsg)
}
-static void handle_data(_cmsg * cmsg, struct sk_buff *skb)
+static void handle_data(_cmsg *cmsg, struct sk_buff *skb)
{
capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
capidrv_ncci *nccip;
@@ -1389,12 +1584,12 @@ static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
if (cdb) {
printk(KERN_DEBUG "%s: applid=%d %s\n", __func__,
- ap->applid, cdb->buf);
+ ap->applid, cdb->buf);
cdebbuf_free(cdb);
} else
printk(KERN_DEBUG "%s: applid=%d %s not traced\n",
- __func__, ap->applid,
- capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand));
+ __func__, ap->applid,
+ capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand));
}
if (s_cmsg.Command == CAPI_DATA_B3
&& s_cmsg.Subcommand == CAPI_IND) {
@@ -1417,50 +1612,47 @@ static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
/* ------------------------------------------------------------------- */
-#define PUTBYTE_TO_STATUS(card, byte) \
- do { \
- *(card)->q931_write++ = (byte); \
- if ((card)->q931_write > (card)->q931_end) \
- (card)->q931_write = (card)->q931_buf; \
+#define PUTBYTE_TO_STATUS(card, byte) \
+ do { \
+ *(card)->q931_write++ = (byte); \
+ if ((card)->q931_write > (card)->q931_end) \
+ (card)->q931_write = (card)->q931_buf; \
} while (0)
static void handle_dtrace_data(capidrv_contr *card,
- int send, int level2, u8 *data, u16 len)
+ int send, int level2, u8 *data, u16 len)
{
- u8 *p, *end;
- isdn_ctrl cmd;
+ u8 *p, *end;
+ isdn_ctrl cmd;
- if (!len) {
+ if (!len) {
printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n",
- card->contrnr, len);
+ card->contrnr, len);
return;
}
if (level2) {
PUTBYTE_TO_STATUS(card, 'D');
PUTBYTE_TO_STATUS(card, '2');
- PUTBYTE_TO_STATUS(card, send ? '>' : '<');
- PUTBYTE_TO_STATUS(card, ':');
+ PUTBYTE_TO_STATUS(card, send ? '>' : '<');
+ PUTBYTE_TO_STATUS(card, ':');
} else {
- PUTBYTE_TO_STATUS(card, 'D');
- PUTBYTE_TO_STATUS(card, '3');
- PUTBYTE_TO_STATUS(card, send ? '>' : '<');
- PUTBYTE_TO_STATUS(card, ':');
- }
-
- for (p = data, end = data+len; p < end; p++) {
- u8 w;
+ PUTBYTE_TO_STATUS(card, 'D');
+ PUTBYTE_TO_STATUS(card, '3');
+ PUTBYTE_TO_STATUS(card, send ? '>' : '<');
+ PUTBYTE_TO_STATUS(card, ':');
+ }
+
+ for (p = data, end = data + len; p < end; p++) {
PUTBYTE_TO_STATUS(card, ' ');
- w = (*p >> 4) & 0xf;
- PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w);
- w = *p & 0xf;
- PUTBYTE_TO_STATUS(card, (w < 10) ? '0'+w : 'A'-10+w);
+ PUTBYTE_TO_STATUS(card, hex_asc_hi(*p));
+ PUTBYTE_TO_STATUS(card, hex_asc_lo(*p));
}
PUTBYTE_TO_STATUS(card, '\n');
cmd.command = ISDN_STAT_STAVAIL;
cmd.driver = card->myid;
- cmd.arg = len*3+5;
+ cmd.arg = len * 3 + 5;
card->interface.statcallb(&cmd);
}
@@ -1468,17 +1660,17 @@ static void handle_dtrace_data(capidrv_contr *card,
static _cmsg cmdcmsg;
-static int capidrv_ioctl(isdn_ctrl * c, capidrv_contr * card)
+static int capidrv_ioctl(isdn_ctrl *c, capidrv_contr *card)
{
switch (c->arg) {
case 1:
debugmode = (int)(*((unsigned int *)c->parm.num));
printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n",
- card->contrnr, debugmode);
+ card->contrnr, debugmode);
return 0;
default:
printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n",
- card->contrnr, c->arg);
+ card->contrnr, c->arg);
return -EINVAL;
}
return -EINVAL;
@@ -1489,9 +1681,9 @@ static int capidrv_ioctl(isdn_ctrl * c, capidrv_contr * card)
*/
struct internal_bchannelinfo {
- unsigned short channelalloc;
- unsigned short operation;
- unsigned char cmask[31];
+ unsigned short channelalloc;
+ unsigned short operation;
+ unsigned char cmask[31];
};
static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep)
@@ -1517,8 +1709,13 @@ static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep)
while (*s) {
int digit1 = 0;
int digit2 = 0;
- if (!isdigit(*s)) return -3;
- while (isdigit(*s)) { digit1 = digit1*10 + (*s - '0'); s++; }
+ char *endp;
+
+ digit1 = simple_strtoul(s, &endp, 10);
+ if (s == endp)
+ return -3;
+ s = endp;
+
if (digit1 <= 0 || digit1 > 30) return -4;
if (*s == 0 || *s == ',' || *s == ' ') {
bmask |= (1 << digit1);
@@ -1528,15 +1725,19 @@ static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep)
}
if (*s != '-') return -5;
s++;
- if (!isdigit(*s)) return -3;
- while (isdigit(*s)) { digit2 = digit2*10 + (*s - '0'); s++; }
+
+ digit2 = simple_strtoul(s, &endp, 10);
+ if (s == endp)
+ return -3;
+ s = endp;
+
if (digit2 <= 0 || digit2 > 30) return -4;
if (*s == 0 || *s == ',' || *s == ' ') {
if (digit1 > digit2)
- for (i = digit2; i <= digit1 ; i++)
+ for (i = digit2; i <= digit1; i++)
bmask |= (1 << i);
- else
- for (i = digit1; i <= digit2 ; i++)
+ else
+ for (i = digit1; i <= digit2; i++)
bmask |= (1 << i);
digit1 = digit2 = 0;
if (*s) s++;
@@ -1549,131 +1750,131 @@ static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep)
return 0;
}
-static int FVteln2capi20(char *teln, u8 AdditionalInfo[1+2+2+31])
+static int FVteln2capi20(char *teln, u8 AdditionalInfo[1 + 2 + 2 + 31])
{
unsigned long bmask;
int active;
int rc, i;
-
+
rc = decodeFVteln(teln, &bmask, &active);
if (rc) return rc;
/* Length */
- AdditionalInfo[0] = 2+2+31;
- /* Channel: 3 => use channel allocation */
- AdditionalInfo[1] = 3; AdditionalInfo[2] = 0;
+ AdditionalInfo[0] = 2 + 2 + 31;
+ /* Channel: 3 => use channel allocation */
+ AdditionalInfo[1] = 3; AdditionalInfo[2] = 0;
/* Operation: 0 => DTE mode, 1 => DCE mode */
- if (active) {
- AdditionalInfo[3] = 0; AdditionalInfo[4] = 0;
- } else {
- AdditionalInfo[3] = 1; AdditionalInfo[4] = 0;
+ if (active) {
+ AdditionalInfo[3] = 0; AdditionalInfo[4] = 0;
+ } else {
+ AdditionalInfo[3] = 1; AdditionalInfo[4] = 0;
}
/* Channel mask array */
AdditionalInfo[5] = 0; /* no D-Channel */
- for (i=1; i <= 30; i++)
- AdditionalInfo[5+i] = (bmask & (1 << i)) ? 0xff : 0;
+ for (i = 1; i <= 30; i++)
+ AdditionalInfo[5 + i] = (bmask & (1 << i)) ? 0xff : 0;
return 0;
}
-static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
+static int capidrv_command(isdn_ctrl *c, capidrv_contr *card)
{
isdn_ctrl cmd;
struct capidrv_bchan *bchan;
struct capidrv_plci *plcip;
- u8 AdditionalInfo[1+2+2+31];
- int rc, isleasedline = 0;
+ u8 AdditionalInfo[1 + 2 + 2 + 31];
+ int rc, isleasedline = 0;
if (c->command == ISDN_CMD_IOCTL)
return capidrv_ioctl(c, card);
switch (c->command) {
- case ISDN_CMD_DIAL:{
- u8 calling[ISDN_MSNLEN + 3];
- u8 called[ISDN_MSNLEN + 2];
+ case ISDN_CMD_DIAL: {
+ u8 calling[ISDN_MSNLEN + 3];
+ u8 called[ISDN_MSNLEN + 2];
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n",
- card->contrnr,
- c->arg,
- c->parm.setup.phone,
- c->parm.setup.si1,
- c->parm.setup.si2,
- c->parm.setup.eazmsn);
-
- bchan = &card->bchans[c->arg % card->nbchan];
-
- if (bchan->plcip) {
- printk(KERN_ERR "capidrv-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n",
- card->contrnr,
- c->arg,
- c->parm.setup.phone,
- c->parm.setup.si1,
- c->parm.setup.si2,
- c->parm.setup.eazmsn,
- bchan->plcip->plci);
- return 0;
- }
- bchan->si1 = c->parm.setup.si1;
- bchan->si2 = c->parm.setup.si2;
-
- strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num));
- strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum));
- rc = FVteln2capi20(bchan->num, AdditionalInfo);
- isleasedline = (rc == 0);
- if (rc < 0)
- printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num);
-
- if (isleasedline) {
- calling[0] = 0;
- called[0] = 0;
- if (debugmode)
- printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr);
- } else {
- calling[0] = strlen(bchan->mynum) + 2;
- calling[1] = 0;
- calling[2] = 0x80;
- strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN);
- called[0] = strlen(bchan->num) + 1;
- called[1] = 0x80;
- strncpy(called + 2, bchan->num, ISDN_MSNLEN);
- }
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n",
+ card->contrnr,
+ c->arg,
+ c->parm.setup.phone,
+ c->parm.setup.si1,
+ c->parm.setup.si2,
+ c->parm.setup.eazmsn);
- capi_fill_CONNECT_REQ(&cmdcmsg,
- global.ap.applid,
- card->msgid++,
- card->contrnr, /* adr */
- si2cip(bchan->si1, bchan->si2), /* cipvalue */
- called, /* CalledPartyNumber */
- calling, /* CallingPartyNumber */
- NULL, /* CalledPartySubaddress */
- NULL, /* CallingPartySubaddress */
- b1prot(bchan->l2, bchan->l3), /* B1protocol */
- b2prot(bchan->l2, bchan->l3), /* B2protocol */
- b3prot(bchan->l2, bchan->l3), /* B3protocol */
- b1config(bchan->l2, bchan->l3), /* B1configuration */
- NULL, /* B2configuration */
- NULL, /* B3configuration */
- NULL, /* BC */
- NULL, /* LLC */
- NULL, /* HLC */
- /* BChannelinformation */
- isleasedline ? AdditionalInfo : NULL,
- NULL, /* Keypadfacility */
- NULL, /* Useruserdata */
- NULL /* Facilitydataarray */
- );
- if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) {
- cmd.command = ISDN_STAT_DHUP;
- cmd.driver = card->myid;
- cmd.arg = (c->arg % card->nbchan);
- card->interface.statcallb(&cmd);
- return -1;
- }
- plcip->msgid = cmdcmsg.Messagenumber;
- plcip->leasedline = isleasedline;
- plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
- send_message(card, &cmdcmsg);
+ bchan = &card->bchans[c->arg % card->nbchan];
+
+ if (bchan->plcip) {
+ printk(KERN_ERR "capidrv-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n",
+ card->contrnr,
+ c->arg,
+ c->parm.setup.phone,
+ c->parm.setup.si1,
+ c->parm.setup.si2,
+ c->parm.setup.eazmsn,
+ bchan->plcip->plci);
return 0;
}
+ bchan->si1 = c->parm.setup.si1;
+ bchan->si2 = c->parm.setup.si2;
+
+ strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num));
+ strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum));
+ rc = FVteln2capi20(bchan->num, AdditionalInfo);
+ isleasedline = (rc == 0);
+ if (rc < 0)
+ printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num);
+
+ if (isleasedline) {
+ calling[0] = 0;
+ called[0] = 0;
+ if (debugmode)
+ printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr);
+ } else {
+ calling[0] = strlen(bchan->mynum) + 2;
+ calling[1] = 0;
+ calling[2] = 0x80;
+ strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN);
+ called[0] = strlen(bchan->num) + 1;
+ called[1] = 0x80;
+ strncpy(called + 2, bchan->num, ISDN_MSNLEN);
+ }
+
+ capi_fill_CONNECT_REQ(&cmdcmsg,
+ global.ap.applid,
+ card->msgid++,
+ card->contrnr, /* adr */
+ si2cip(bchan->si1, bchan->si2), /* cipvalue */
+ called, /* CalledPartyNumber */
+ calling, /* CallingPartyNumber */
+ NULL, /* CalledPartySubaddress */
+ NULL, /* CallingPartySubaddress */
+ b1prot(bchan->l2, bchan->l3), /* B1protocol */
+ b2prot(bchan->l2, bchan->l3), /* B2protocol */
+ b3prot(bchan->l2, bchan->l3), /* B3protocol */
+ b1config(bchan->l2, bchan->l3), /* B1configuration */
+ NULL, /* B2configuration */
+ NULL, /* B3configuration */
+ NULL, /* BC */
+ NULL, /* LLC */
+ NULL, /* HLC */
+ /* BChannelinformation */
+ isleasedline ? AdditionalInfo : NULL,
+ NULL, /* Keypadfacility */
+ NULL, /* Useruserdata */
+ NULL /* Facilitydataarray */
+ );
+ if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) {
+ cmd.command = ISDN_STAT_DHUP;
+ cmd.driver = card->myid;
+ cmd.arg = (c->arg % card->nbchan);
+ card->interface.statcallb(&cmd);
+ return -1;
+ }
+ plcip->msgid = cmdcmsg.Messagenumber;
+ plcip->leasedline = isleasedline;
+ plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
+ send_message(card, &cmdcmsg);
+ return 0;
+ }
case ISDN_CMD_ACCEPTD:
@@ -1701,7 +1902,7 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
NULL, /* Keypadfacility */
NULL, /* Useruserdata */
NULL /* Facilitydataarray */
- );
+ );
capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP);
send_message(card, &cmdcmsg);
@@ -1735,7 +1936,7 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
card->msgid++,
bchan->nccip->ncci,
NULL /* NCPI */
- );
+ );
ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ);
send_message(card, &cmdcmsg);
return 0;
@@ -1754,12 +1955,12 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
capi_fill_DISCONNECT_REQ(&cmdcmsg,
global.ap.applid,
card->msgid++,
- bchan->plcip->plci,
+ bchan->plcip->plci,
NULL, /* BChannelinformation */
NULL, /* Keypadfacility */
NULL, /* Useruserdata */
NULL /* Facilitydataarray */
- );
+ );
plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ);
send_message(card, &cmdcmsg);
return 0;
@@ -1771,8 +1972,8 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
}
}
printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n",
- card->contrnr,
- c->arg);
+ card->contrnr,
+ c->arg);
return -EINVAL;
/* ready */
@@ -1806,20 +2007,20 @@ static int capidrv_command(isdn_ctrl * c, capidrv_contr * card)
case ISDN_CMD_CLREAZ:
if (debugmode)
printk(KERN_DEBUG "capidrv-%d: clearing EAZ on chan %ld\n",
- card->contrnr, c->arg);
+ card->contrnr, c->arg);
bchan = &card->bchans[c->arg % card->nbchan];
bchan->msn[0] = 0;
return 0;
default:
printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n",
- card->contrnr, c->command);
+ card->contrnr, c->command);
return -EINVAL;
}
return 0;
}
-static int if_command(isdn_ctrl * c)
+static int if_command(isdn_ctrl *c)
{
capidrv_contr *card = findcontrbydriverid(c->driver);
@@ -1827,8 +2028,8 @@ static int if_command(isdn_ctrl * c)
return capidrv_command(c, card);
printk(KERN_ERR
- "capidrv: if_command %d called with invalid driverId %d!\n",
- c->command, c->driver);
+ "capidrv: if_command %d called with invalid driverId %d!\n",
+ c->command, c->driver);
return -ENODEV;
}
@@ -1852,7 +2053,7 @@ static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
}
if (debugmode > 4)
printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n",
- card->contrnr, len, skb, doack);
+ card->contrnr, len, skb, doack);
bchan = &card->bchans[channel % card->nbchan];
nccip = bchan->nccip;
if (!nccip || nccip->state != ST_NCCI_ACTIVE) {
@@ -1884,10 +2085,10 @@ static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
skb->len, /* DataLength */
datahandle, /* DataHandle */
0 /* Flags */
- );
+ );
if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0)
- return 0;
+ return 0;
capi_cmsg2message(&sendcmsg, sendcmsg.buf);
msglen = CAPIMSG_LEN(sendcmsg.buf);
@@ -1895,8 +2096,8 @@ static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
struct sk_buff *nskb = skb_realloc_headroom(skb, msglen);
if (!nskb) {
printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n",
- card->contrnr);
- (void)capidrv_del_ack(nccip, datahandle);
+ card->contrnr);
+ (void)capidrv_del_ack(nccip, datahandle);
return 0;
}
printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n",
@@ -1910,9 +2111,9 @@ static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
}
if (debugmode > 3)
printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
- card->contrnr, errcode, capi_info2str(errcode));
- (void)capidrv_del_ack(nccip, datahandle);
- dev_kfree_skb(nskb);
+ card->contrnr, errcode, capi_info2str(errcode));
+ (void)capidrv_del_ack(nccip, datahandle);
+ dev_kfree_skb(nskb);
return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
} else {
memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen);
@@ -1923,9 +2124,9 @@ static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
}
if (debugmode > 3)
printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
- card->contrnr, errcode, capi_info2str(errcode));
+ card->contrnr, errcode, capi_info2str(errcode));
skb_pull(skb, msglen);
- (void)capidrv_del_ack(nccip, datahandle);
+ (void)capidrv_del_ack(nccip, datahandle);
return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
}
}
@@ -1942,11 +2143,11 @@ static int if_readstat(u8 __user *buf, int len, int id, int channel)
return -ENODEV;
}
- for (p=buf, count=0; count < len; p++, count++) {
+ for (p = buf, count = 0; count < len; p++, count++) {
if (put_user(*card->q931_read++, p))
return -EFAULT;
- if (card->q931_read > card->q931_end)
- card->q931_read = card->q931_buf;
+ if (card->q931_read > card->q931_end)
+ card->q931_read = card->q931_buf;
}
return count;
@@ -1954,35 +2155,35 @@ static int if_readstat(u8 __user *buf, int len, int id, int channel)
static void enable_dchannel_trace(capidrv_contr *card)
{
- u8 manufacturer[CAPI_MANUFACTURER_LEN];
- capi_version version;
+ u8 manufacturer[CAPI_MANUFACTURER_LEN];
+ capi_version version;
u16 contr = card->contrnr;
u16 errcode;
u16 avmversion[3];
- errcode = capi20_get_manufacturer(contr, manufacturer);
- if (errcode != CAPI_NOERROR) {
- printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n",
- card->name, errcode);
- return;
+ errcode = capi20_get_manufacturer(contr, manufacturer);
+ if (errcode != CAPI_NOERROR) {
+ printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n",
+ card->name, errcode);
+ return;
}
if (strstr(manufacturer, "AVM") == NULL) {
- printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
- card->name, manufacturer);
- return;
+ printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
+ card->name, manufacturer);
+ return;
}
- errcode = capi20_get_version(contr, &version);
- if (errcode != CAPI_NOERROR) {
- printk(KERN_ERR "%s: can't get version (0x%x)\n",
- card->name, errcode);
- return;
+ errcode = capi20_get_version(contr, &version);
+ if (errcode != CAPI_NOERROR) {
+ printk(KERN_ERR "%s: can't get version (0x%x)\n",
+ card->name, errcode);
+ return;
}
avmversion[0] = (version.majormanuversion >> 4) & 0x0f;
avmversion[1] = (version.majormanuversion << 4) & 0xf0;
avmversion[1] |= (version.minormanuversion >> 4) & 0x0f;
avmversion[2] |= version.minormanuversion & 0x0f;
- if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) {
+ if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) {
printk(KERN_INFO "%s: D2 trace enabled\n", card->name);
capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid,
card->msgid++,
@@ -2014,8 +2215,8 @@ static void send_listen(capidrv_contr *card)
card->cipmask,
card->cipmask2,
NULL, NULL);
- send_message(card, &cmdcmsg);
listen_change_state(card, EV_LISTEN_REQ);
+ send_message(card, &cmdcmsg);
}
static void listentimerfunc(unsigned long x)
@@ -2023,8 +2224,8 @@ static void listentimerfunc(unsigned long x)
capidrv_contr *card = (capidrv_contr *)x;
if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE)
printk(KERN_ERR "%s: controller dead ??\n", card->name);
- send_listen(card);
- mod_timer(&card->listentimer, jiffies + 60*HZ);
+ send_listen(card);
+ mod_timer(&card->listentimer, jiffies + 60 * HZ);
}
@@ -2043,7 +2244,7 @@ static int capidrv_addcontr(u16 contr, struct capi_profile *profp)
}
if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) {
printk(KERN_WARNING
- "capidrv: (%s) Could not allocate contr-struct.\n", id);
+ "capidrv: (%s) Could not allocate contr-struct.\n", id);
return -1;
}
card->owner = THIS_MODULE;
@@ -2054,7 +2255,7 @@ static int capidrv_addcontr(u16 contr, struct capi_profile *profp)
card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC);
if (!card->bchans) {
printk(KERN_WARNING
- "capidrv: (%s) Could not allocate bchan-structs.\n", id);
+ "capidrv: (%s) Could not allocate bchan-structs.\n", id);
module_put(card->owner);
kfree(card);
return -1;
@@ -2065,18 +2266,20 @@ static int capidrv_addcontr(u16 contr, struct capi_profile *profp)
card->interface.writebuf_skb = if_sendbuf;
card->interface.writecmd = NULL;
card->interface.readstat = if_readstat;
- card->interface.features = ISDN_FEATURE_L2_HDLC |
- ISDN_FEATURE_L2_TRANS |
- ISDN_FEATURE_L3_TRANS |
- ISDN_FEATURE_P_UNKNOWN |
- ISDN_FEATURE_L2_X75I |
- ISDN_FEATURE_L2_X75UI |
- ISDN_FEATURE_L2_X75BUI;
- if (profp->support1 & (1<<2))
- card->interface.features |= ISDN_FEATURE_L2_V11096 |
- ISDN_FEATURE_L2_V11019 |
- ISDN_FEATURE_L2_V11038;
- if (profp->support1 & (1<<8))
+ card->interface.features =
+ ISDN_FEATURE_L2_HDLC |
+ ISDN_FEATURE_L2_TRANS |
+ ISDN_FEATURE_L3_TRANS |
+ ISDN_FEATURE_P_UNKNOWN |
+ ISDN_FEATURE_L2_X75I |
+ ISDN_FEATURE_L2_X75UI |
+ ISDN_FEATURE_L2_X75BUI;
+ if (profp->support1 & (1 << 2))
+ card->interface.features |=
+ ISDN_FEATURE_L2_V11096 |
+ ISDN_FEATURE_L2_V11019 |
+ ISDN_FEATURE_L2_V11038;
+ if (profp->support1 & (1 << 8))
card->interface.features |= ISDN_FEATURE_L2_MODEM;
card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */
strncpy(card->interface.id, id, sizeof(card->interface.id) - 1);
@@ -2115,10 +2318,10 @@ static int capidrv_addcontr(u16 contr, struct capi_profile *profp)
card->listentimer.data = (unsigned long)card;
card->listentimer.function = listentimerfunc;
send_listen(card);
- mod_timer(&card->listentimer, jiffies + 60*HZ);
+ mod_timer(&card->listentimer, jiffies + 60 * HZ);
printk(KERN_INFO "%s: now up (%d B channels)\n",
- card->name, card->nbchan);
+ card->name, card->nbchan);
enable_dchannel_trace(card);
@@ -2151,7 +2354,7 @@ static int capidrv_delcontr(u16 contr)
if (debugmode)
printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n",
- card->contrnr, card->myid);
+ card->contrnr, card->myid);
cmd.command = ISDN_STAT_STOP;
cmd.driver = card->myid;
@@ -2161,17 +2364,17 @@ static int capidrv_delcontr(u16 contr)
cmd.command = ISDN_STAT_DISCH;
cmd.driver = card->myid;
- cmd.arg = card->nbchan-1;
- cmd.parm.num[0] = 0;
+ cmd.arg = card->nbchan - 1;
+ cmd.parm.num[0] = 0;
if (debugmode)
printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n",
- card->contrnr, card->myid, cmd.arg);
+ card->contrnr, card->myid, cmd.arg);
card->interface.statcallb(&cmd);
- if (card->bchans[card->nbchan-1].nccip)
- free_ncci(card, card->bchans[card->nbchan-1].nccip);
- if (card->bchans[card->nbchan-1].plcip)
- free_plci(card, card->bchans[card->nbchan-1].plcip);
+ if (card->bchans[card->nbchan - 1].nccip)
+ free_ncci(card, card->bchans[card->nbchan - 1].nccip);
+ if (card->bchans[card->nbchan - 1].plcip)
+ free_plci(card, card->bchans[card->nbchan - 1].plcip);
if (card->plci_list)
printk(KERN_ERR "capidrv: bug in free_plci()\n");
card->nbchan--;
@@ -2181,7 +2384,7 @@ static int capidrv_delcontr(u16 contr)
if (debugmode)
printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n",
- card->contrnr, card->myid);
+ card->contrnr, card->myid);
cmd.command = ISDN_STAT_UNLOAD;
cmd.driver = card->myid;
@@ -2189,7 +2392,7 @@ static int capidrv_delcontr(u16 contr)
if (debugmode)
printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n",
- card->contrnr, card->myid);
+ card->contrnr, card->myid);
spin_lock_irqsave(&global_lock, flags);
for (pp = &global.contr_list; *pp; pp = &(*pp)->next) {
@@ -2209,96 +2412,73 @@ static int capidrv_delcontr(u16 contr)
}
-static void lower_callback(unsigned int cmd, u32 contr, void *data)
+static int
+lower_callback(struct notifier_block *nb, unsigned long val, void *v)
{
+ capi_profile profile;
+ u32 contr = (long)v;
- switch (cmd) {
- case KCI_CONTRUP:
+ switch (val) {
+ case CAPICTR_UP:
printk(KERN_INFO "capidrv: controller %hu up\n", contr);
- (void) capidrv_addcontr(contr, (capi_profile *) data);
+ if (capi20_get_profile(contr, &profile) == CAPI_NOERROR)
+ (void) capidrv_addcontr(contr, &profile);
break;
- case KCI_CONTRDOWN:
+ case CAPICTR_DOWN:
printk(KERN_INFO "capidrv: controller %hu down\n", contr);
(void) capidrv_delcontr(contr);
break;
}
+ return NOTIFY_OK;
}
/*
* /proc/capi/capidrv:
* nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt
*/
-static int proc_capidrv_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int capidrv_proc_show(struct seq_file *m, void *v)
+{
+ seq_printf(m, "%lu %lu %lu %lu\n",
+ global.ap.nrecvctlpkt,
+ global.ap.nrecvdatapkt,
+ global.ap.nsentctlpkt,
+ global.ap.nsentdatapkt);
+ return 0;
+}
+
+static int capidrv_proc_open(struct inode *inode, struct file *file)
{
- int len = 0;
-
- len += sprintf(page+len, "%lu %lu %lu %lu\n",
- global.ap.nrecvctlpkt,
- global.ap.nrecvdatapkt,
- global.ap.nsentctlpkt,
- global.ap.nsentdatapkt);
- if (off+count >= len)
- *eof = 1;
- if (len < off)
- return 0;
- *start = page + off;
- return ((count < len-off) ? count : len-off);
+ return single_open(file, capidrv_proc_show, NULL);
}
-static struct procfsentries {
- char *name;
- mode_t mode;
- int (*read_proc)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
- struct proc_dir_entry *procent;
-} procfsentries[] = {
- /* { "capi", S_IFDIR, 0 }, */
- { "capi/capidrv", 0 , proc_capidrv_read_proc },
+static const struct file_operations capidrv_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = capidrv_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
static void __init proc_init(void)
{
- int nelem = ARRAY_SIZE(procfsentries);
- int i;
-
- for (i=0; i < nelem; i++) {
- struct procfsentries *p = procfsentries + i;
- p->procent = create_proc_entry(p->name, p->mode, NULL);
- if (p->procent) p->procent->read_proc = p->read_proc;
- }
+ proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops);
}
static void __exit proc_exit(void)
{
- int nelem = ARRAY_SIZE(procfsentries);
- int i;
-
- for (i=nelem-1; i >= 0; i--) {
- struct procfsentries *p = procfsentries + i;
- if (p->procent) {
- remove_proc_entry(p->name, NULL);
- p->procent = NULL;
- }
- }
+ remove_proc_entry("capi/capidrv", NULL);
}
+static struct notifier_block capictr_nb = {
+ .notifier_call = lower_callback,
+};
+
static int __init capidrv_init(void)
{
capi_profile profile;
- char rev[32];
- char *p;
u32 ncontr, contr;
u16 errcode;
- if ((p = strchr(revision, ':')) != NULL && p[1]) {
- strncpy(rev, p + 2, sizeof(rev));
- rev[sizeof(rev)-1] = 0;
- if ((p = strchr(rev, '$')) != NULL && p > rev)
- *(p-1) = 0;
- } else
- strcpy(rev, "1.0");
-
global.ap.rparam.level3cnt = -2; /* number of bchannels twice */
global.ap.rparam.datablkcnt = 16;
global.ap.rparam.datablklen = 2048;
@@ -2309,10 +2489,11 @@ static int __init capidrv_init(void)
return -EIO;
}
- capi20_set_callback(&global.ap, lower_callback);
+ register_capictr_notifier(&capictr_nb);
errcode = capi20_get_profile(0, &profile);
if (errcode != CAPI_NOERROR) {
+ unregister_capictr_notifier(&capictr_nb);
capi20_release(&global.ap);
return -EIO;
}
@@ -2326,29 +2507,15 @@ static int __init capidrv_init(void)
}
proc_init();
- printk(KERN_NOTICE "capidrv: Rev %s: loaded\n", rev);
return 0;
}
static void __exit capidrv_exit(void)
{
- char rev[32];
- char *p;
-
- if ((p = strchr(revision, ':')) != NULL) {
- strncpy(rev, p + 1, sizeof(rev));
- rev[sizeof(rev)-1] = 0;
- if ((p = strchr(rev, '$')) != NULL)
- *p = 0;
- } else {
- strcpy(rev, " ??? ");
- }
-
+ unregister_capictr_notifier(&capictr_nb);
capi20_release(&global.ap);
proc_exit();
-
- printk(KERN_NOTICE "capidrv: Rev%s: unloaded\n", rev);
}
module_init(capidrv_init);
diff --git a/drivers/isdn/capi/capidrv.h b/drivers/isdn/capi/capidrv.h
index 1e698e1e269..4466b2e0176 100644
--- a/drivers/isdn/capi/capidrv.h
+++ b/drivers/isdn/capi/capidrv.h
@@ -34,7 +34,7 @@
* per plci state machine
*/
#define ST_PLCI_NONE 0 /* P-0 */
-#define ST_PLCI_OUTGOING 1 /* P-0.1 */
+#define ST_PLCI_OUTGOING 1 /* P-0.1 */
#define ST_PLCI_ALLOCATED 2 /* P-1 */
#define ST_PLCI_ACTIVE 3 /* P-ACT */
#define ST_PLCI_INCOMING 4 /* P-2 */
@@ -47,20 +47,20 @@
#define ST_PLCI_HELD 11 /* P-HELD */
#define EV_PLCI_CONNECT_REQ 1 /* P-0 -> P-0.1
- */
+ */
#define EV_PLCI_CONNECT_CONF_ERROR 2 /* P-0.1 -> P-0
- */
+ */
#define EV_PLCI_CONNECT_CONF_OK 3 /* P-0.1 -> P-1
- */
+ */
#define EV_PLCI_FACILITY_IND_UP 4 /* P-0 -> P-1
- */
+ */
#define EV_PLCI_CONNECT_IND 5 /* P-0 -> P-2
- */
+ */
#define EV_PLCI_CONNECT_ACTIVE_IND 6 /* P-1 -> P-ACT
- */
+ */
#define EV_PLCI_CONNECT_REJECT 7 /* P-2 -> P-5
P-3 -> P-5
- */
+ */
#define EV_PLCI_DISCONNECT_REQ 8 /* P-1 -> P-5
P-2 -> P-5
P-3 -> P-5
@@ -68,7 +68,7 @@
P-ACT -> P-5
P-Res -> P-5 (*)
P-HELD -> P-5 (*)
- */
+ */
#define EV_PLCI_DISCONNECT_IND 9 /* P-1 -> P-6
P-2 -> P-6
P-3 -> P-6
@@ -77,35 +77,35 @@
P-ACT -> P-6
P-Res -> P-6 (*)
P-HELD -> P-6 (*)
- */
+ */
#define EV_PLCI_FACILITY_IND_DOWN 10 /* P-0.1 -> P-5
P-1 -> P-5
P-ACT -> P-5
P-2 -> P-5
P-3 -> P-5
P-4 -> P-5
- */
+ */
#define EV_PLCI_DISCONNECT_RESP 11 /* P-6 -> P-0
- */
+ */
#define EV_PLCI_CONNECT_RESP 12 /* P-6 -> P-0
- */
+ */
#define EV_PLCI_RESUME_REQ 13 /* P-0 -> P-0.Res
- */
+ */
#define EV_PLCI_RESUME_CONF_OK 14 /* P-0.Res -> P-Res
- */
+ */
#define EV_PLCI_RESUME_CONF_ERROR 15 /* P-0.Res -> P-0
- */
+ */
#define EV_PLCI_RESUME_IND 16 /* P-Res -> P-ACT
- */
+ */
#define EV_PLCI_HOLD_IND 17 /* P-ACT -> P-HELD
- */
+ */
#define EV_PLCI_RETRIEVE_IND 18 /* P-HELD -> P-ACT
- */
+ */
#define EV_PLCI_SUSPEND_IND 19 /* P-ACT -> P-5
- */
+ */
#define EV_PLCI_CD_IND 20 /* P-2 -> P-5
- */
+ */
/*
* per ncci state machine
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
deleted file mode 100644
index b129409925a..00000000000
--- a/drivers/isdn/capi/capifs.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/* $Id: capifs.c,v 1.1.2.3 2004/01/16 21:09:26 keil Exp $
- *
- * Copyright 2000 by Carsten Paeth <calle@calle.de>
- *
- * Heavily based on devpts filesystem from H. Peter Anvin
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/fs.h>
-#include <linux/mount.h>
-#include <linux/namei.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/ctype.h>
-#include <linux/sched.h> /* current */
-
-#include "capifs.h"
-
-MODULE_DESCRIPTION("CAPI4Linux: /dev/capi/ filesystem");
-MODULE_AUTHOR("Carsten Paeth");
-MODULE_LICENSE("GPL");
-
-/* ------------------------------------------------------------------ */
-
-static char *revision = "$Revision: 1.1.2.3 $";
-
-/* ------------------------------------------------------------------ */
-
-#define CAPIFS_SUPER_MAGIC (('C'<<8)|'N')
-
-static struct vfsmount *capifs_mnt;
-static struct dentry *capifs_root;
-
-static struct {
- int setuid;
- int setgid;
- uid_t uid;
- gid_t gid;
- umode_t mode;
-} config = {.mode = 0600};
-
-/* ------------------------------------------------------------------ */
-
-static int capifs_remount(struct super_block *s, int *flags, char *data)
-{
- int setuid = 0;
- int setgid = 0;
- uid_t uid = 0;
- gid_t gid = 0;
- umode_t mode = 0600;
- char *this_char;
- char *new_opt = kstrdup(data, GFP_KERNEL);
-
- this_char = NULL;
- while ((this_char = strsep(&data, ",")) != NULL) {
- int n;
- char dummy;
- if (!*this_char)
- continue;
- if (sscanf(this_char, "uid=%i%c", &n, &dummy) == 1) {
- setuid = 1;
- uid = n;
- } else if (sscanf(this_char, "gid=%i%c", &n, &dummy) == 1) {
- setgid = 1;
- gid = n;
- } else if (sscanf(this_char, "mode=%o%c", &n, &dummy) == 1)
- mode = n & ~S_IFMT;
- else {
- kfree(new_opt);
- printk("capifs: called with bogus options\n");
- return -EINVAL;
- }
- }
-
- kfree(s->s_options);
- s->s_options = new_opt;
-
- config.setuid = setuid;
- config.setgid = setgid;
- config.uid = uid;
- config.gid = gid;
- config.mode = mode;
-
- return 0;
-}
-
-static struct super_operations capifs_sops =
-{
- .statfs = simple_statfs,
- .remount_fs = capifs_remount,
- .show_options = generic_show_options,
-};
-
-
-static int
-capifs_fill_super(struct super_block *s, void *data, int silent)
-{
- struct inode * inode;
-
- s->s_blocksize = 1024;
- s->s_blocksize_bits = 10;
- s->s_magic = CAPIFS_SUPER_MAGIC;
- s->s_op = &capifs_sops;
- s->s_time_gran = 1;
-
- inode = new_inode(s);
- if (!inode)
- goto fail;
- inode->i_ino = 1;
- inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
- inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
- inode->i_op = &simple_dir_inode_operations;
- inode->i_fop = &simple_dir_operations;
- inode->i_nlink = 2;
-
- capifs_root = s->s_root = d_alloc_root(inode);
- if (s->s_root)
- return 0;
-
- printk("capifs: get root dentry failed\n");
- iput(inode);
-fail:
- return -ENOMEM;
-}
-
-static int capifs_get_sb(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data, struct vfsmount *mnt)
-{
- return get_sb_single(fs_type, flags, data, capifs_fill_super, mnt);
-}
-
-static struct file_system_type capifs_fs_type = {
- .owner = THIS_MODULE,
- .name = "capifs",
- .get_sb = capifs_get_sb,
- .kill_sb = kill_anon_super,
-};
-
-static struct dentry *get_node(int num)
-{
- char s[10];
- struct dentry *root = capifs_root;
- mutex_lock(&root->d_inode->i_mutex);
- return lookup_one_len(s, root, sprintf(s, "%d", num));
-}
-
-void capifs_new_ncci(unsigned int number, dev_t device)
-{
- struct dentry *dentry;
- struct inode *inode = new_inode(capifs_mnt->mnt_sb);
- if (!inode)
- return;
- inode->i_ino = number+2;
- inode->i_uid = config.setuid ? config.uid : current_fsuid();
- inode->i_gid = config.setgid ? config.gid : current_fsgid();
- inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
- init_special_inode(inode, S_IFCHR|config.mode, device);
- //inode->i_op = &capifs_file_inode_operations;
-
- dentry = get_node(number);
- if (!IS_ERR(dentry) && !dentry->d_inode)
- d_instantiate(dentry, inode);
- mutex_unlock(&capifs_root->d_inode->i_mutex);
-}
-
-void capifs_free_ncci(unsigned int number)
-{
- struct dentry *dentry = get_node(number);
-
- if (!IS_ERR(dentry)) {
- struct inode *inode = dentry->d_inode;
- if (inode) {
- inode->i_nlink--;
- d_delete(dentry);
- dput(dentry);
- }
- dput(dentry);
- }
- mutex_unlock(&capifs_root->d_inode->i_mutex);
-}
-
-static int __init capifs_init(void)
-{
- char rev[32];
- char *p;
- int err;
-
- if ((p = strchr(revision, ':')) != NULL && p[1]) {
- strlcpy(rev, p + 2, sizeof(rev));
- if ((p = strchr(rev, '$')) != NULL && p > rev)
- *(p-1) = 0;
- } else
- strcpy(rev, "1.0");
-
- err = register_filesystem(&capifs_fs_type);
- if (!err) {
- capifs_mnt = kern_mount(&capifs_fs_type);
- if (IS_ERR(capifs_mnt)) {
- err = PTR_ERR(capifs_mnt);
- unregister_filesystem(&capifs_fs_type);
- }
- }
- if (!err)
- printk(KERN_NOTICE "capifs: Rev %s\n", rev);
- return err;
-}
-
-static void __exit capifs_exit(void)
-{
- unregister_filesystem(&capifs_fs_type);
- mntput(capifs_mnt);
-}
-
-EXPORT_SYMBOL(capifs_new_ncci);
-EXPORT_SYMBOL(capifs_free_ncci);
-
-module_init(capifs_init);
-module_exit(capifs_exit);
diff --git a/drivers/isdn/capi/capifs.h b/drivers/isdn/capi/capifs.h
deleted file mode 100644
index d0bd4c3c430..00000000000
--- a/drivers/isdn/capi/capifs.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* $Id: capifs.h,v 1.1.2.2 2004/01/16 21:09:26 keil Exp $
- *
- * Copyright 2000 by Carsten Paeth <calle@calle.de>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-void capifs_new_ncci(unsigned int num, dev_t device);
-void capifs_free_ncci(unsigned int num);
diff --git a/drivers/isdn/capi/capilib.c b/drivers/isdn/capi/capilib.c
index fcaa1241ee7..33361f833c0 100644
--- a/drivers/isdn/capi/capilib.c
+++ b/drivers/isdn/capi/capilib.c
@@ -1,11 +1,12 @@
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/isdn/capilli.h>
-#define DBG(format, arg...) do { \
-printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
-} while (0)
+#define DBG(format, arg...) do { \
+ printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
+ } while (0)
struct capilib_msgidqueue {
struct capilib_msgidqueue *next;
@@ -27,7 +28,7 @@ struct capilib_ncci {
// ---------------------------------------------------------------------------
// NCCI Handling
-static inline void mq_init(struct capilib_ncci * np)
+static inline void mq_init(struct capilib_ncci *np)
{
u_int i;
np->msgidqueue = NULL;
@@ -41,7 +42,7 @@ static inline void mq_init(struct capilib_ncci * np)
}
}
-static inline int mq_enqueue(struct capilib_ncci * np, u16 msgid)
+static inline int mq_enqueue(struct capilib_ncci *np, u16 msgid)
{
struct capilib_msgidqueue *mq;
if ((mq = np->msgidfree) == NULL)
@@ -58,7 +59,7 @@ static inline int mq_enqueue(struct capilib_ncci * np, u16 msgid)
return 1;
}
-static inline int mq_dequeue(struct capilib_ncci * np, u16 msgid)
+static inline int mq_dequeue(struct capilib_ncci *np, u16 msgid)
{
struct capilib_msgidqueue **pp;
for (pp = &np->msgidqueue; *pp; pp = &(*pp)->next) {
@@ -164,7 +165,7 @@ u16 capilib_data_b3_req(struct list_head *head, u16 applid, u32 ncci, u16 msgid)
continue;
if (np->ncci != ncci)
continue;
-
+
if (mq_enqueue(np, msgid) == 0)
return CAPI_SENDQUEUEFULL;
@@ -187,7 +188,7 @@ void capilib_data_b3_conf(struct list_head *head, u16 applid, u32 ncci, u16 msgi
continue;
if (np->ncci != ncci)
continue;
-
+
if (mq_dequeue(np, msgid) == 0) {
printk(KERN_ERR "kcapi: msgid %hu ncci 0x%x not on queue\n",
msgid, ncci);
diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c
index 29419a8d31d..6e797e502cf 100644
--- a/drivers/isdn/capi/capiutil.c
+++ b/drivers/isdn/capi/capiutil.c
@@ -18,208 +18,10 @@
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/isdn/capiutil.h>
+#include <linux/slab.h>
/* from CAPI2.0 DDK AVM Berlin GmbH */
-#ifndef CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON
-char *capi_info2str(u16 reason)
-{
- return "..";
-}
-#else
-char *capi_info2str(u16 reason)
-{
- switch (reason) {
-
-/*-- informative values (corresponding message was processed) -----*/
- case 0x0001:
- return "NCPI not supported by current protocol, NCPI ignored";
- case 0x0002:
- return "Flags not supported by current protocol, flags ignored";
- case 0x0003:
- return "Alert already sent by another application";
-
-/*-- error information concerning CAPI_REGISTER -----*/
- case 0x1001:
- return "Too many applications";
- case 0x1002:
- return "Logical block size too small, must be at least 128 Bytes";
- case 0x1003:
- return "Buffer exceeds 64 kByte";
- case 0x1004:
- return "Message buffer size too small, must be at least 1024 Bytes";
- case 0x1005:
- return "Max. number of logical connections not supported";
- case 0x1006:
- return "Reserved";
- case 0x1007:
- return "The message could not be accepted because of an internal busy condition";
- case 0x1008:
- return "OS resource error (no memory ?)";
- case 0x1009:
- return "CAPI not installed";
- case 0x100A:
- return "Controller does not support external equipment";
- case 0x100B:
- return "Controller does only support external equipment";
-
-/*-- error information concerning message exchange functions -----*/
- case 0x1101:
- return "Illegal application number";
- case 0x1102:
- return "Illegal command or subcommand or message length less than 12 bytes";
- case 0x1103:
- return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI";
- case 0x1104:
- return "Queue is empty";
- case 0x1105:
- return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
- case 0x1106:
- return "Unknown notification parameter";
- case 0x1107:
- return "The Message could not be accepted because of an internal busy condition";
- case 0x1108:
- return "OS Resource error (no memory ?)";
- case 0x1109:
- return "CAPI not installed";
- case 0x110A:
- return "Controller does not support external equipment";
- case 0x110B:
- return "Controller does only support external equipment";
-
-/*-- error information concerning resource / coding problems -----*/
- case 0x2001:
- return "Message not supported in current state";
- case 0x2002:
- return "Illegal Controller / PLCI / NCCI";
- case 0x2003:
- return "Out of PLCI";
- case 0x2004:
- return "Out of NCCI";
- case 0x2005:
- return "Out of LISTEN";
- case 0x2006:
- return "Out of FAX resources (protocol T.30)";
- case 0x2007:
- return "Illegal message parameter coding";
-
-/*-- error information concerning requested services -----*/
- case 0x3001:
- return "B1 protocol not supported";
- case 0x3002:
- return "B2 protocol not supported";
- case 0x3003:
- return "B3 protocol not supported";
- case 0x3004:
- return "B1 protocol parameter not supported";
- case 0x3005:
- return "B2 protocol parameter not supported";
- case 0x3006:
- return "B3 protocol parameter not supported";
- case 0x3007:
- return "B protocol combination not supported";
- case 0x3008:
- return "NCPI not supported";
- case 0x3009:
- return "CIP Value unknown";
- case 0x300A:
- return "Flags not supported (reserved bits)";
- case 0x300B:
- return "Facility not supported";
- case 0x300C:
- return "Data length not supported by current protocol";
- case 0x300D:
- return "Reset procedure not supported by current protocol";
-
-/*-- informations about the clearing of a physical connection -----*/
- case 0x3301:
- return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
- case 0x3302:
- return "Protocol error layer 2";
- case 0x3303:
- return "Protocol error layer 3";
- case 0x3304:
- return "Another application got that call";
-/*-- T.30 specific reasons -----*/
- case 0x3311:
- return "Connecting not successful (remote station is no FAX G3 machine)";
- case 0x3312:
- return "Connecting not successful (training error)";
- case 0x3313:
- return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
- case 0x3314:
- return "Disconnected during transfer (remote abort)";
- case 0x3315:
- return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
- case 0x3316:
- return "Disconnected during transfer (local tx data underrun)";
- case 0x3317:
- return "Disconnected during transfer (local rx data overflow)";
- case 0x3318:
- return "Disconnected during transfer (local abort)";
- case 0x3319:
- return "Illegal parameter coding (e.g. SFF coding error)";
-
-/*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
- case 0x3481: return "Unallocated (unassigned) number";
- case 0x3482: return "No route to specified transit network";
- case 0x3483: return "No route to destination";
- case 0x3486: return "Channel unacceptable";
- case 0x3487:
- return "Call awarded and being delivered in an established channel";
- case 0x3490: return "Normal call clearing";
- case 0x3491: return "User busy";
- case 0x3492: return "No user responding";
- case 0x3493: return "No answer from user (user alerted)";
- case 0x3495: return "Call rejected";
- case 0x3496: return "Number changed";
- case 0x349A: return "Non-selected user clearing";
- case 0x349B: return "Destination out of order";
- case 0x349C: return "Invalid number format";
- case 0x349D: return "Facility rejected";
- case 0x349E: return "Response to STATUS ENQUIRY";
- case 0x349F: return "Normal, unspecified";
- case 0x34A2: return "No circuit / channel available";
- case 0x34A6: return "Network out of order";
- case 0x34A9: return "Temporary failure";
- case 0x34AA: return "Switching equipment congestion";
- case 0x34AB: return "Access information discarded";
- case 0x34AC: return "Requested circuit / channel not available";
- case 0x34AF: return "Resources unavailable, unspecified";
- case 0x34B1: return "Quality of service unavailable";
- case 0x34B2: return "Requested facility not subscribed";
- case 0x34B9: return "Bearer capability not authorized";
- case 0x34BA: return "Bearer capability not presently available";
- case 0x34BF: return "Service or option not available, unspecified";
- case 0x34C1: return "Bearer capability not implemented";
- case 0x34C2: return "Channel type not implemented";
- case 0x34C5: return "Requested facility not implemented";
- case 0x34C6: return "Only restricted digital information bearer capability is available";
- case 0x34CF: return "Service or option not implemented, unspecified";
- case 0x34D1: return "Invalid call reference value";
- case 0x34D2: return "Identified channel does not exist";
- case 0x34D3: return "A suspended call exists, but this call identity does not";
- case 0x34D4: return "Call identity in use";
- case 0x34D5: return "No call suspended";
- case 0x34D6: return "Call having the requested call identity has been cleared";
- case 0x34D8: return "Incompatible destination";
- case 0x34DB: return "Invalid transit network selection";
- case 0x34DF: return "Invalid message, unspecified";
- case 0x34E0: return "Mandatory information element is missing";
- case 0x34E1: return "Message type non-existent or not implemented";
- case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
- case 0x34E3: return "Information element non-existent or not implemented";
- case 0x34E4: return "Invalid information element contents";
- case 0x34E5: return "Message not compatible with call state";
- case 0x34E6: return "Recovery on timer expiry";
- case 0x34EF: return "Protocol error, unspecified";
- case 0x34FF: return "Interworking, unspecified";
-
- default: return "No additional information";
- }
-}
-#endif
-
typedef struct {
int typ;
size_t off;
@@ -234,169 +36,169 @@ typedef struct {
static _cdef cdef[] =
{
- /*00 */
- {_CEND},
- /*01 */
- {_CEND},
- /*02 */
- {_CEND},
- /*03 */
- {_CDWORD, offsetof(_cmsg, adr.adrController)},
- /*04 */
- {_CMSTRUCT, offsetof(_cmsg, AdditionalInfo)},
- /*05 */
- {_CSTRUCT, offsetof(_cmsg, B1configuration)},
- /*06 */
- {_CWORD, offsetof(_cmsg, B1protocol)},
- /*07 */
- {_CSTRUCT, offsetof(_cmsg, B2configuration)},
- /*08 */
- {_CWORD, offsetof(_cmsg, B2protocol)},
- /*09 */
- {_CSTRUCT, offsetof(_cmsg, B3configuration)},
- /*0a */
- {_CWORD, offsetof(_cmsg, B3protocol)},
- /*0b */
- {_CSTRUCT, offsetof(_cmsg, BC)},
- /*0c */
- {_CSTRUCT, offsetof(_cmsg, BChannelinformation)},
- /*0d */
- {_CMSTRUCT, offsetof(_cmsg, BProtocol)},
- /*0e */
- {_CSTRUCT, offsetof(_cmsg, CalledPartyNumber)},
- /*0f */
- {_CSTRUCT, offsetof(_cmsg, CalledPartySubaddress)},
- /*10 */
- {_CSTRUCT, offsetof(_cmsg, CallingPartyNumber)},
- /*11 */
- {_CSTRUCT, offsetof(_cmsg, CallingPartySubaddress)},
- /*12 */
- {_CDWORD, offsetof(_cmsg, CIPmask)},
- /*13 */
- {_CDWORD, offsetof(_cmsg, CIPmask2)},
- /*14 */
- {_CWORD, offsetof(_cmsg, CIPValue)},
- /*15 */
- {_CDWORD, offsetof(_cmsg, Class)},
- /*16 */
- {_CSTRUCT, offsetof(_cmsg, ConnectedNumber)},
- /*17 */
- {_CSTRUCT, offsetof(_cmsg, ConnectedSubaddress)},
- /*18 */
- {_CDWORD, offsetof(_cmsg, Data)},
- /*19 */
- {_CWORD, offsetof(_cmsg, DataHandle)},
- /*1a */
- {_CWORD, offsetof(_cmsg, DataLength)},
- /*1b */
- {_CSTRUCT, offsetof(_cmsg, FacilityConfirmationParameter)},
- /*1c */
- {_CSTRUCT, offsetof(_cmsg, Facilitydataarray)},
- /*1d */
- {_CSTRUCT, offsetof(_cmsg, FacilityIndicationParameter)},
- /*1e */
- {_CSTRUCT, offsetof(_cmsg, FacilityRequestParameter)},
- /*1f */
- {_CWORD, offsetof(_cmsg, FacilitySelector)},
- /*20 */
- {_CWORD, offsetof(_cmsg, Flags)},
- /*21 */
- {_CDWORD, offsetof(_cmsg, Function)},
- /*22 */
- {_CSTRUCT, offsetof(_cmsg, HLC)},
- /*23 */
- {_CWORD, offsetof(_cmsg, Info)},
- /*24 */
- {_CSTRUCT, offsetof(_cmsg, InfoElement)},
- /*25 */
- {_CDWORD, offsetof(_cmsg, InfoMask)},
- /*26 */
- {_CWORD, offsetof(_cmsg, InfoNumber)},
- /*27 */
- {_CSTRUCT, offsetof(_cmsg, Keypadfacility)},
- /*28 */
- {_CSTRUCT, offsetof(_cmsg, LLC)},
- /*29 */
- {_CSTRUCT, offsetof(_cmsg, ManuData)},
- /*2a */
- {_CDWORD, offsetof(_cmsg, ManuID)},
- /*2b */
- {_CSTRUCT, offsetof(_cmsg, NCPI)},
- /*2c */
- {_CWORD, offsetof(_cmsg, Reason)},
- /*2d */
- {_CWORD, offsetof(_cmsg, Reason_B3)},
- /*2e */
- {_CWORD, offsetof(_cmsg, Reject)},
- /*2f */
- {_CSTRUCT, offsetof(_cmsg, Useruserdata)}
+ /*00 */
+ {_CEND},
+ /*01 */
+ {_CEND},
+ /*02 */
+ {_CEND},
+ /*03 */
+ {_CDWORD, offsetof(_cmsg, adr.adrController)},
+ /*04 */
+ {_CMSTRUCT, offsetof(_cmsg, AdditionalInfo)},
+ /*05 */
+ {_CSTRUCT, offsetof(_cmsg, B1configuration)},
+ /*06 */
+ {_CWORD, offsetof(_cmsg, B1protocol)},
+ /*07 */
+ {_CSTRUCT, offsetof(_cmsg, B2configuration)},
+ /*08 */
+ {_CWORD, offsetof(_cmsg, B2protocol)},
+ /*09 */
+ {_CSTRUCT, offsetof(_cmsg, B3configuration)},
+ /*0a */
+ {_CWORD, offsetof(_cmsg, B3protocol)},
+ /*0b */
+ {_CSTRUCT, offsetof(_cmsg, BC)},
+ /*0c */
+ {_CSTRUCT, offsetof(_cmsg, BChannelinformation)},
+ /*0d */
+ {_CMSTRUCT, offsetof(_cmsg, BProtocol)},
+ /*0e */
+ {_CSTRUCT, offsetof(_cmsg, CalledPartyNumber)},
+ /*0f */
+ {_CSTRUCT, offsetof(_cmsg, CalledPartySubaddress)},
+ /*10 */
+ {_CSTRUCT, offsetof(_cmsg, CallingPartyNumber)},
+ /*11 */
+ {_CSTRUCT, offsetof(_cmsg, CallingPartySubaddress)},
+ /*12 */
+ {_CDWORD, offsetof(_cmsg, CIPmask)},
+ /*13 */
+ {_CDWORD, offsetof(_cmsg, CIPmask2)},
+ /*14 */
+ {_CWORD, offsetof(_cmsg, CIPValue)},
+ /*15 */
+ {_CDWORD, offsetof(_cmsg, Class)},
+ /*16 */
+ {_CSTRUCT, offsetof(_cmsg, ConnectedNumber)},
+ /*17 */
+ {_CSTRUCT, offsetof(_cmsg, ConnectedSubaddress)},
+ /*18 */
+ {_CDWORD, offsetof(_cmsg, Data)},
+ /*19 */
+ {_CWORD, offsetof(_cmsg, DataHandle)},
+ /*1a */
+ {_CWORD, offsetof(_cmsg, DataLength)},
+ /*1b */
+ {_CSTRUCT, offsetof(_cmsg, FacilityConfirmationParameter)},
+ /*1c */
+ {_CSTRUCT, offsetof(_cmsg, Facilitydataarray)},
+ /*1d */
+ {_CSTRUCT, offsetof(_cmsg, FacilityIndicationParameter)},
+ /*1e */
+ {_CSTRUCT, offsetof(_cmsg, FacilityRequestParameter)},
+ /*1f */
+ {_CWORD, offsetof(_cmsg, FacilitySelector)},
+ /*20 */
+ {_CWORD, offsetof(_cmsg, Flags)},
+ /*21 */
+ {_CDWORD, offsetof(_cmsg, Function)},
+ /*22 */
+ {_CSTRUCT, offsetof(_cmsg, HLC)},
+ /*23 */
+ {_CWORD, offsetof(_cmsg, Info)},
+ /*24 */
+ {_CSTRUCT, offsetof(_cmsg, InfoElement)},
+ /*25 */
+ {_CDWORD, offsetof(_cmsg, InfoMask)},
+ /*26 */
+ {_CWORD, offsetof(_cmsg, InfoNumber)},
+ /*27 */
+ {_CSTRUCT, offsetof(_cmsg, Keypadfacility)},
+ /*28 */
+ {_CSTRUCT, offsetof(_cmsg, LLC)},
+ /*29 */
+ {_CSTRUCT, offsetof(_cmsg, ManuData)},
+ /*2a */
+ {_CDWORD, offsetof(_cmsg, ManuID)},
+ /*2b */
+ {_CSTRUCT, offsetof(_cmsg, NCPI)},
+ /*2c */
+ {_CWORD, offsetof(_cmsg, Reason)},
+ /*2d */
+ {_CWORD, offsetof(_cmsg, Reason_B3)},
+ /*2e */
+ {_CWORD, offsetof(_cmsg, Reject)},
+ /*2f */
+ {_CSTRUCT, offsetof(_cmsg, Useruserdata)}
};
static unsigned char *cpars[] =
{
- /* ALERT_REQ */ [0x01] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
- /* CONNECT_REQ */ [0x02] = "\x03\x14\x0e\x10\x0f\x11\x0d\x06\x08\x0a\x05\x07\x09\x01\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
- /* DISCONNECT_REQ */ [0x04] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
- /* LISTEN_REQ */ [0x05] = "\x03\x25\x12\x13\x10\x11\x01",
- /* INFO_REQ */ [0x08] = "\x03\x0e\x04\x0c\x27\x2f\x1c\x01\x01",
- /* FACILITY_REQ */ [0x09] = "\x03\x1f\x1e\x01",
- /* SELECT_B_PROTOCOL_REQ */ [0x0a] = "\x03\x0d\x06\x08\x0a\x05\x07\x09\x01\x01",
- /* CONNECT_B3_REQ */ [0x0b] = "\x03\x2b\x01",
- /* DISCONNECT_B3_REQ */ [0x0d] = "\x03\x2b\x01",
- /* DATA_B3_REQ */ [0x0f] = "\x03\x18\x1a\x19\x20\x01",
- /* RESET_B3_REQ */ [0x10] = "\x03\x2b\x01",
- /* ALERT_CONF */ [0x13] = "\x03\x23\x01",
- /* CONNECT_CONF */ [0x14] = "\x03\x23\x01",
- /* DISCONNECT_CONF */ [0x16] = "\x03\x23\x01",
- /* LISTEN_CONF */ [0x17] = "\x03\x23\x01",
- /* MANUFACTURER_REQ */ [0x18] = "\x03\x2a\x15\x21\x29\x01",
- /* INFO_CONF */ [0x1a] = "\x03\x23\x01",
- /* FACILITY_CONF */ [0x1b] = "\x03\x23\x1f\x1b\x01",
- /* SELECT_B_PROTOCOL_CONF */ [0x1c] = "\x03\x23\x01",
- /* CONNECT_B3_CONF */ [0x1d] = "\x03\x23\x01",
- /* DISCONNECT_B3_CONF */ [0x1f] = "\x03\x23\x01",
- /* DATA_B3_CONF */ [0x21] = "\x03\x19\x23\x01",
- /* RESET_B3_CONF */ [0x22] = "\x03\x23\x01",
- /* CONNECT_IND */ [0x26] = "\x03\x14\x0e\x10\x0f\x11\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
- /* CONNECT_ACTIVE_IND */ [0x27] = "\x03\x16\x17\x28\x01",
- /* DISCONNECT_IND */ [0x28] = "\x03\x2c\x01",
- /* MANUFACTURER_CONF */ [0x2a] = "\x03\x2a\x15\x21\x29\x01",
- /* INFO_IND */ [0x2c] = "\x03\x26\x24\x01",
- /* FACILITY_IND */ [0x2d] = "\x03\x1f\x1d\x01",
- /* CONNECT_B3_IND */ [0x2f] = "\x03\x2b\x01",
- /* CONNECT_B3_ACTIVE_IND */ [0x30] = "\x03\x2b\x01",
- /* DISCONNECT_B3_IND */ [0x31] = "\x03\x2d\x2b\x01",
- /* DATA_B3_IND */ [0x33] = "\x03\x18\x1a\x19\x20\x01",
- /* RESET_B3_IND */ [0x34] = "\x03\x2b\x01",
- /* CONNECT_B3_T90_ACTIVE_IND */ [0x35] = "\x03\x2b\x01",
- /* CONNECT_RESP */ [0x38] = "\x03\x2e\x0d\x06\x08\x0a\x05\x07\x09\x01\x16\x17\x28\x04\x0c\x27\x2f\x1c\x01\x01",
- /* CONNECT_ACTIVE_RESP */ [0x39] = "\x03\x01",
- /* DISCONNECT_RESP */ [0x3a] = "\x03\x01",
- /* MANUFACTURER_IND */ [0x3c] = "\x03\x2a\x15\x21\x29\x01",
- /* INFO_RESP */ [0x3e] = "\x03\x01",
- /* FACILITY_RESP */ [0x3f] = "\x03\x1f\x01",
- /* CONNECT_B3_RESP */ [0x41] = "\x03\x2e\x2b\x01",
- /* CONNECT_B3_ACTIVE_RESP */ [0x42] = "\x03\x01",
- /* DISCONNECT_B3_RESP */ [0x43] = "\x03\x01",
- /* DATA_B3_RESP */ [0x45] = "\x03\x19\x01",
- /* RESET_B3_RESP */ [0x46] = "\x03\x01",
- /* CONNECT_B3_T90_ACTIVE_RESP */ [0x47] = "\x03\x01",
- /* MANUFACTURER_RESP */ [0x4e] = "\x03\x2a\x15\x21\x29\x01",
+ /* ALERT_REQ */ [0x01] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
+ /* CONNECT_REQ */ [0x02] = "\x03\x14\x0e\x10\x0f\x11\x0d\x06\x08\x0a\x05\x07\x09\x01\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
+ /* DISCONNECT_REQ */ [0x04] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
+ /* LISTEN_REQ */ [0x05] = "\x03\x25\x12\x13\x10\x11\x01",
+ /* INFO_REQ */ [0x08] = "\x03\x0e\x04\x0c\x27\x2f\x1c\x01\x01",
+ /* FACILITY_REQ */ [0x09] = "\x03\x1f\x1e\x01",
+ /* SELECT_B_PROTOCOL_REQ */ [0x0a] = "\x03\x0d\x06\x08\x0a\x05\x07\x09\x01\x01",
+ /* CONNECT_B3_REQ */ [0x0b] = "\x03\x2b\x01",
+ /* DISCONNECT_B3_REQ */ [0x0d] = "\x03\x2b\x01",
+ /* DATA_B3_REQ */ [0x0f] = "\x03\x18\x1a\x19\x20\x01",
+ /* RESET_B3_REQ */ [0x10] = "\x03\x2b\x01",
+ /* ALERT_CONF */ [0x13] = "\x03\x23\x01",
+ /* CONNECT_CONF */ [0x14] = "\x03\x23\x01",
+ /* DISCONNECT_CONF */ [0x16] = "\x03\x23\x01",
+ /* LISTEN_CONF */ [0x17] = "\x03\x23\x01",
+ /* MANUFACTURER_REQ */ [0x18] = "\x03\x2a\x15\x21\x29\x01",
+ /* INFO_CONF */ [0x1a] = "\x03\x23\x01",
+ /* FACILITY_CONF */ [0x1b] = "\x03\x23\x1f\x1b\x01",
+ /* SELECT_B_PROTOCOL_CONF */ [0x1c] = "\x03\x23\x01",
+ /* CONNECT_B3_CONF */ [0x1d] = "\x03\x23\x01",
+ /* DISCONNECT_B3_CONF */ [0x1f] = "\x03\x23\x01",
+ /* DATA_B3_CONF */ [0x21] = "\x03\x19\x23\x01",
+ /* RESET_B3_CONF */ [0x22] = "\x03\x23\x01",
+ /* CONNECT_IND */ [0x26] = "\x03\x14\x0e\x10\x0f\x11\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
+ /* CONNECT_ACTIVE_IND */ [0x27] = "\x03\x16\x17\x28\x01",
+ /* DISCONNECT_IND */ [0x28] = "\x03\x2c\x01",
+ /* MANUFACTURER_CONF */ [0x2a] = "\x03\x2a\x15\x21\x29\x01",
+ /* INFO_IND */ [0x2c] = "\x03\x26\x24\x01",
+ /* FACILITY_IND */ [0x2d] = "\x03\x1f\x1d\x01",
+ /* CONNECT_B3_IND */ [0x2f] = "\x03\x2b\x01",
+ /* CONNECT_B3_ACTIVE_IND */ [0x30] = "\x03\x2b\x01",
+ /* DISCONNECT_B3_IND */ [0x31] = "\x03\x2d\x2b\x01",
+ /* DATA_B3_IND */ [0x33] = "\x03\x18\x1a\x19\x20\x01",
+ /* RESET_B3_IND */ [0x34] = "\x03\x2b\x01",
+ /* CONNECT_B3_T90_ACTIVE_IND */ [0x35] = "\x03\x2b\x01",
+ /* CONNECT_RESP */ [0x38] = "\x03\x2e\x0d\x06\x08\x0a\x05\x07\x09\x01\x16\x17\x28\x04\x0c\x27\x2f\x1c\x01\x01",
+ /* CONNECT_ACTIVE_RESP */ [0x39] = "\x03\x01",
+ /* DISCONNECT_RESP */ [0x3a] = "\x03\x01",
+ /* MANUFACTURER_IND */ [0x3c] = "\x03\x2a\x15\x21\x29\x01",
+ /* INFO_RESP */ [0x3e] = "\x03\x01",
+ /* FACILITY_RESP */ [0x3f] = "\x03\x1f\x01",
+ /* CONNECT_B3_RESP */ [0x41] = "\x03\x2e\x2b\x01",
+ /* CONNECT_B3_ACTIVE_RESP */ [0x42] = "\x03\x01",
+ /* DISCONNECT_B3_RESP */ [0x43] = "\x03\x01",
+ /* DATA_B3_RESP */ [0x45] = "\x03\x19\x01",
+ /* RESET_B3_RESP */ [0x46] = "\x03\x01",
+ /* CONNECT_B3_T90_ACTIVE_RESP */ [0x47] = "\x03\x01",
+ /* MANUFACTURER_RESP */ [0x4e] = "\x03\x2a\x15\x21\x29\x01",
};
/*-------------------------------------------------------*/
-#define byteTLcpy(x,y) *(u8 *)(x)=*(u8 *)(y);
-#define wordTLcpy(x,y) *(u16 *)(x)=*(u16 *)(y);
-#define dwordTLcpy(x,y) memcpy(x,y,4);
-#define structTLcpy(x,y,l) memcpy (x,y,l)
-#define structTLcpyovl(x,y,l) memmove (x,y,l)
+#define byteTLcpy(x, y) *(u8 *)(x) = *(u8 *)(y);
+#define wordTLcpy(x, y) *(u16 *)(x) = *(u16 *)(y);
+#define dwordTLcpy(x, y) memcpy(x, y, 4);
+#define structTLcpy(x, y, l) memcpy(x, y, l)
+#define structTLcpyovl(x, y, l) memmove(x, y, l)
-#define byteTRcpy(x,y) *(u8 *)(y)=*(u8 *)(x);
-#define wordTRcpy(x,y) *(u16 *)(y)=*(u16 *)(x);
-#define dwordTRcpy(x,y) memcpy(y,x,4);
-#define structTRcpy(x,y,l) memcpy (y,x,l)
-#define structTRcpyovl(x,y,l) memmove (y,x,l)
+#define byteTRcpy(x, y) *(u8 *)(y) = *(u8 *)(x);
+#define wordTRcpy(x, y) *(u16 *)(y) = *(u16 *)(x);
+#define dwordTRcpy(x, y) memcpy(y, x, 4);
+#define structTRcpy(x, y, l) memcpy(y, x, l)
+#define structTRcpyovl(x, y, l) memmove(y, x, l)
/*-------------------------------------------------------*/
static unsigned command_2_index(unsigned c, unsigned sc)
@@ -413,9 +215,9 @@ static unsigned command_2_index(unsigned c, unsigned sc)
/*-------------------------------------------------------*/
#define TYP (cdef[cmsg->par[cmsg->p]].typ)
-#define OFF (((u8 *)cmsg)+cdef[cmsg->par[cmsg->p]].off)
+#define OFF (((u8 *)cmsg) + cdef[cmsg->par[cmsg->p]].off)
-static void jumpcstruct(_cmsg * cmsg)
+static void jumpcstruct(_cmsg *cmsg)
{
unsigned layer;
for (cmsg->p++, layer = 1; layer;) {
@@ -432,7 +234,7 @@ static void jumpcstruct(_cmsg * cmsg)
}
}
/*-------------------------------------------------------*/
-static void pars_2_message(_cmsg * cmsg)
+static void pars_2_message(_cmsg *cmsg)
{
for (; TYP != _CEND; cmsg->p++) {
@@ -490,8 +292,15 @@ static void pars_2_message(_cmsg * cmsg)
}
}
-/*-------------------------------------------------------*/
-unsigned capi_cmsg2message(_cmsg * cmsg, u8 * msg)
+/**
+ * capi_cmsg2message() - assemble CAPI 2.0 message from _cmsg structure
+ * @cmsg: _cmsg structure
+ * @msg: buffer for assembled message
+ *
+ * Return value: 0 for success
+ */
+
+unsigned capi_cmsg2message(_cmsg *cmsg, u8 *msg)
{
cmsg->m = msg;
cmsg->l = 8;
@@ -510,7 +319,7 @@ unsigned capi_cmsg2message(_cmsg * cmsg, u8 * msg)
}
/*-------------------------------------------------------*/
-static void message_2_pars(_cmsg * cmsg)
+static void message_2_pars(_cmsg *cmsg)
{
for (; TYP != _CEND; cmsg->p++) {
@@ -553,8 +362,15 @@ static void message_2_pars(_cmsg * cmsg)
}
}
-/*-------------------------------------------------------*/
-unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg)
+/**
+ * capi_message2cmsg() - disassemble CAPI 2.0 message into _cmsg structure
+ * @cmsg: _cmsg structure
+ * @msg: buffer for assembled message
+ *
+ * Return value: 0 for success
+ */
+
+unsigned capi_message2cmsg(_cmsg *cmsg, u8 *msg)
{
memset(cmsg, 0, sizeof(_cmsg));
cmsg->m = msg;
@@ -573,8 +389,19 @@ unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg)
return 0;
}
-/*-------------------------------------------------------*/
-unsigned capi_cmsg_header(_cmsg * cmsg, u16 _ApplId,
+/**
+ * capi_cmsg_header() - initialize header part of _cmsg structure
+ * @cmsg: _cmsg structure
+ * @_ApplId: ApplID field value
+ * @_Command: Command field value
+ * @_Subcommand: Subcommand field value
+ * @_Messagenumber: Message Number field value
+ * @_Controller: Controller/PLCI/NCCI field value
+ *
+ * Return value: 0 for success
+ */
+
+unsigned capi_cmsg_header(_cmsg *cmsg, u16 _ApplId,
u8 _Command, u8 _Subcommand,
u16 _Messagenumber, u32 _Controller)
{
@@ -641,6 +468,14 @@ static char *mnames[] =
[0x4e] = "MANUFACTURER_RESP"
};
+/**
+ * capi_cmd2str() - convert CAPI 2.0 command/subcommand number to name
+ * @cmd: command number
+ * @subcmd: subcommand number
+ *
+ * Return value: static string, NULL if command/subcommand unknown
+ */
+
char *capi_cmd2str(u8 cmd, u8 subcmd)
{
return mnames[command_2_index(cmd, subcmd)];
@@ -655,54 +490,54 @@ char *capi_cmd2str(u8 cmd, u8 subcmd)
static char *pnames[] =
{
- /*00 */ NULL,
- /*01 */ NULL,
- /*02 */ NULL,
- /*03 */ "Controller/PLCI/NCCI",
- /*04 */ "AdditionalInfo",
- /*05 */ "B1configuration",
- /*06 */ "B1protocol",
- /*07 */ "B2configuration",
- /*08 */ "B2protocol",
- /*09 */ "B3configuration",
- /*0a */ "B3protocol",
- /*0b */ "BC",
- /*0c */ "BChannelinformation",
- /*0d */ "BProtocol",
- /*0e */ "CalledPartyNumber",
- /*0f */ "CalledPartySubaddress",
- /*10 */ "CallingPartyNumber",
- /*11 */ "CallingPartySubaddress",
- /*12 */ "CIPmask",
- /*13 */ "CIPmask2",
- /*14 */ "CIPValue",
- /*15 */ "Class",
- /*16 */ "ConnectedNumber",
- /*17 */ "ConnectedSubaddress",
- /*18 */ "Data32",
- /*19 */ "DataHandle",
- /*1a */ "DataLength",
- /*1b */ "FacilityConfirmationParameter",
- /*1c */ "Facilitydataarray",
- /*1d */ "FacilityIndicationParameter",
- /*1e */ "FacilityRequestParameter",
- /*1f */ "FacilitySelector",
- /*20 */ "Flags",
- /*21 */ "Function",
- /*22 */ "HLC",
- /*23 */ "Info",
- /*24 */ "InfoElement",
- /*25 */ "InfoMask",
- /*26 */ "InfoNumber",
- /*27 */ "Keypadfacility",
- /*28 */ "LLC",
- /*29 */ "ManuData",
- /*2a */ "ManuID",
- /*2b */ "NCPI",
- /*2c */ "Reason",
- /*2d */ "Reason_B3",
- /*2e */ "Reject",
- /*2f */ "Useruserdata"
+ /*00 */ NULL,
+ /*01 */ NULL,
+ /*02 */ NULL,
+ /*03 */ "Controller/PLCI/NCCI",
+ /*04 */ "AdditionalInfo",
+ /*05 */ "B1configuration",
+ /*06 */ "B1protocol",
+ /*07 */ "B2configuration",
+ /*08 */ "B2protocol",
+ /*09 */ "B3configuration",
+ /*0a */ "B3protocol",
+ /*0b */ "BC",
+ /*0c */ "BChannelinformation",
+ /*0d */ "BProtocol",
+ /*0e */ "CalledPartyNumber",
+ /*0f */ "CalledPartySubaddress",
+ /*10 */ "CallingPartyNumber",
+ /*11 */ "CallingPartySubaddress",
+ /*12 */ "CIPmask",
+ /*13 */ "CIPmask2",
+ /*14 */ "CIPValue",
+ /*15 */ "Class",
+ /*16 */ "ConnectedNumber",
+ /*17 */ "ConnectedSubaddress",
+ /*18 */ "Data32",
+ /*19 */ "DataHandle",
+ /*1a */ "DataLength",
+ /*1b */ "FacilityConfirmationParameter",
+ /*1c */ "Facilitydataarray",
+ /*1d */ "FacilityIndicationParameter",
+ /*1e */ "FacilityRequestParameter",
+ /*1f */ "FacilitySelector",
+ /*20 */ "Flags",
+ /*21 */ "Function",
+ /*22 */ "HLC",
+ /*23 */ "Info",
+ /*24 */ "InfoElement",
+ /*25 */ "InfoMask",
+ /*26 */ "InfoNumber",
+ /*27 */ "Keypadfacility",
+ /*28 */ "LLC",
+ /*29 */ "ManuData",
+ /*2a */ "ManuID",
+ /*2b */ "NCPI",
+ /*2c */ "Reason",
+ /*2d */ "Reason_B3",
+ /*2e */ "Reject",
+ /*2f */ "Useruserdata"
};
@@ -710,10 +545,10 @@ static char *pnames[] =
#include <stdarg.h>
/*-------------------------------------------------------*/
-static _cdebbuf *bufprint(_cdebbuf *cdb, char *fmt,...)
+static _cdebbuf *bufprint(_cdebbuf *cdb, char *fmt, ...)
{
va_list f;
- size_t n,r;
+ size_t n, r;
if (!cdb)
return NULL;
@@ -749,7 +584,7 @@ static _cdebbuf *bufprint(_cdebbuf *cdb, char *fmt,...)
return cdb;
}
-static _cdebbuf *printstructlen(_cdebbuf *cdb, u8 * m, unsigned len)
+static _cdebbuf *printstructlen(_cdebbuf *cdb, u8 *m, unsigned len)
{
unsigned hex = 0;
@@ -773,7 +608,7 @@ static _cdebbuf *printstructlen(_cdebbuf *cdb, u8 * m, unsigned len)
return cdb;
}
-static _cdebbuf *printstruct(_cdebbuf *cdb, u8 * m)
+static _cdebbuf *printstruct(_cdebbuf *cdb, u8 *m)
{
unsigned len;
@@ -879,6 +714,11 @@ init:
return cdb;
}
+/**
+ * cdebbuf_free() - free CAPI debug buffer
+ * @cdb: buffer to free
+ */
+
void cdebbuf_free(_cdebbuf *cdb)
{
if (likely(cdb == g_debbuf)) {
@@ -891,7 +731,17 @@ void cdebbuf_free(_cdebbuf *cdb)
}
-_cdebbuf *capi_message2str(u8 * msg)
+/**
+ * capi_message2str() - format CAPI 2.0 message for printing
+ * @msg: CAPI 2.0 message
+ *
+ * Allocates a CAPI debug buffer and fills it with a printable representation
+ * of the CAPI 2.0 message in @msg.
+ * Return value: allocated debug buffer, NULL on error
+ * The returned buffer should be freed by a call to cdebbuf_free() after use.
+ */
+
+_cdebbuf *capi_message2str(u8 *msg)
{
_cdebbuf *cdb;
_cmsg *cmsg;
@@ -915,10 +765,10 @@ _cdebbuf *capi_message2str(u8 * msg)
cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)];
cdb = bufprint(cdb, "%-26s ID=%03d #0x%04x LEN=%04d\n",
- mnames[command_2_index(cmsg->Command, cmsg->Subcommand)],
- ((unsigned short *) msg)[1],
- ((unsigned short *) msg)[3],
- ((unsigned short *) msg)[0]);
+ mnames[command_2_index(cmsg->Command, cmsg->Subcommand)],
+ ((unsigned short *) msg)[1],
+ ((unsigned short *) msg)[3],
+ ((unsigned short *) msg)[0]);
cdb = protocol_message_2_pars(cdb, cmsg, 1);
if (unlikely(cmsg != g_cmsg))
@@ -926,27 +776,40 @@ _cdebbuf *capi_message2str(u8 * msg)
return cdb;
}
-_cdebbuf *capi_cmsg2str(_cmsg * cmsg)
+/**
+ * capi_cmsg2str() - format _cmsg structure for printing
+ * @cmsg: _cmsg structure
+ *
+ * Allocates a CAPI debug buffer and fills it with a printable representation
+ * of the CAPI 2.0 message stored in @cmsg by a previous call to
+ * capi_cmsg2message() or capi_message2cmsg().
+ * Return value: allocated debug buffer, NULL on error
+ * The returned buffer should be freed by a call to cdebbuf_free() after use.
+ */
+
+_cdebbuf *capi_cmsg2str(_cmsg *cmsg)
{
_cdebbuf *cdb;
+ if (!cmsg->m)
+ return NULL; /* no message */
cdb = cdebbuf_alloc();
if (!cdb)
return NULL;
cmsg->l = 8;
cmsg->p = 0;
cdb = bufprint(cdb, "%s ID=%03d #0x%04x LEN=%04d\n",
- mnames[command_2_index(cmsg->Command, cmsg->Subcommand)],
- ((u16 *) cmsg->m)[1],
- ((u16 *) cmsg->m)[3],
- ((u16 *) cmsg->m)[0]);
+ mnames[command_2_index(cmsg->Command, cmsg->Subcommand)],
+ ((u16 *) cmsg->m)[1],
+ ((u16 *) cmsg->m)[3],
+ ((u16 *) cmsg->m)[0]);
cdb = protocol_message_2_pars(cdb, cmsg, 1);
return cdb;
}
int __init cdebug_init(void)
{
- g_cmsg= kmalloc(sizeof(_cmsg), GFP_KERNEL);
+ g_cmsg = kmalloc(sizeof(_cmsg), GFP_KERNEL);
if (!g_cmsg)
return -ENOMEM;
g_debbuf = kmalloc(sizeof(_cdebbuf), GFP_KERNEL);
@@ -958,7 +821,7 @@ int __init cdebug_init(void)
if (!g_debbuf->buf) {
kfree(g_cmsg);
kfree(g_debbuf);
- return -ENOMEM;;
+ return -ENOMEM;
}
g_debbuf->size = CDEBUG_GSIZE;
g_debbuf->buf[0] = 0;
@@ -979,12 +842,12 @@ void __exit cdebug_exit(void)
static _cdebbuf g_debbuf = {"CONFIG_CAPI_TRACE not enabled", NULL, 0, 0};
-_cdebbuf *capi_message2str(u8 * msg)
+_cdebbuf *capi_message2str(u8 *msg)
{
return &g_debbuf;
}
-_cdebbuf *capi_cmsg2str(_cmsg * cmsg)
+_cdebbuf *capi_cmsg2str(_cmsg *cmsg)
{
return &g_debbuf;
}
@@ -1011,4 +874,3 @@ EXPORT_SYMBOL(capi_cmsg_header);
EXPORT_SYMBOL(capi_cmd2str);
EXPORT_SYMBOL(capi_cmsg2str);
EXPORT_SYMBOL(capi_message2str);
-EXPORT_SYMBOL(capi_info2str);
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index 5360c4fd473..c123709acf8 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -1,10 +1,10 @@
/* $Id: kcapi.c,v 1.1.2.8 2004/03/26 19:57:20 armin Exp $
- *
+ *
* Kernel CAPI 2.0 Module
- *
+ *
* Copyright 1999 by Carsten Paeth <calle@calle.de>
* Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
- *
+ *
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
@@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/proc_fs.h>
+#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
@@ -26,6 +27,7 @@
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <linux/isdn/capicmd.h>
#include <linux/isdn/capiutil.h>
@@ -33,12 +35,10 @@
#include <linux/b1lli.h>
#endif
#include <linux/mutex.h>
-
-static char *revision = "$Revision: 1.1.2.8 $";
-
-/* ------------------------------------------------------------- */
+#include <linux/rcupdate.h>
static int showcapimsgs = 0;
+static struct workqueue_struct *kcapi_wq;
MODULE_DESCRIPTION("CAPI4Linux: kernel CAPI layer");
MODULE_AUTHOR("Carsten Paeth");
@@ -47,67 +47,76 @@ module_param(showcapimsgs, uint, 0);
/* ------------------------------------------------------------- */
-struct capi_notifier {
+struct capictr_event {
struct work_struct work;
- unsigned int cmd;
+ unsigned int type;
u32 controller;
- u16 applid;
- u32 ncci;
};
/* ------------------------------------------------------------- */
-static struct capi_version driver_version = {2, 0, 1, 1<<4};
+static struct capi_version driver_version = {2, 0, 1, 1 << 4};
static char driver_serial[CAPI_SERIAL_LEN] = "0004711";
static char capi_manufakturer[64] = "AVM Berlin";
#define NCCI2CTRL(ncci) (((ncci) >> 24) & 0x7f)
LIST_HEAD(capi_drivers);
-DEFINE_RWLOCK(capi_drivers_list_lock);
+DEFINE_MUTEX(capi_drivers_lock);
-static DEFINE_RWLOCK(application_lock);
-static DEFINE_MUTEX(controller_mutex);
+struct capi_ctr *capi_controller[CAPI_MAXCONTR];
+DEFINE_MUTEX(capi_controller_lock);
struct capi20_appl *capi_applications[CAPI_MAXAPPL];
-struct capi_ctr *capi_cards[CAPI_MAXCONTR];
-static int ncards;
+static int ncontrollers;
+
+static BLOCKING_NOTIFIER_HEAD(ctr_notifier_list);
/* -------- controller ref counting -------------------------------------- */
static inline struct capi_ctr *
-capi_ctr_get(struct capi_ctr *card)
+capi_ctr_get(struct capi_ctr *ctr)
{
- if (!try_module_get(card->owner))
+ if (!try_module_get(ctr->owner))
return NULL;
- return card;
+ return ctr;
}
static inline void
-capi_ctr_put(struct capi_ctr *card)
+capi_ctr_put(struct capi_ctr *ctr)
{
- module_put(card->owner);
+ module_put(ctr->owner);
}
/* ------------------------------------------------------------- */
static inline struct capi_ctr *get_capi_ctr_by_nr(u16 contr)
{
- if (contr - 1 >= CAPI_MAXCONTR)
+ if (contr < 1 || contr - 1 >= CAPI_MAXCONTR)
return NULL;
- return capi_cards[contr - 1];
+ return capi_controller[contr - 1];
}
-static inline struct capi20_appl *get_capi_appl_by_nr(u16 applid)
+static inline struct capi20_appl *__get_capi_appl_by_nr(u16 applid)
{
- if (applid - 1 >= CAPI_MAXAPPL)
+ lockdep_assert_held(&capi_controller_lock);
+
+ if (applid < 1 || applid - 1 >= CAPI_MAXAPPL)
return NULL;
return capi_applications[applid - 1];
}
+static inline struct capi20_appl *get_capi_appl_by_nr(u16 applid)
+{
+ if (applid < 1 || applid - 1 >= CAPI_MAXAPPL)
+ return NULL;
+
+ return rcu_dereference(capi_applications[applid - 1]);
+}
+
/* -------- util functions ------------------------------------ */
static inline int capi_cmd_valid(u8 cmd)
@@ -147,106 +156,158 @@ static inline int capi_subcmd_valid(u8 subcmd)
/* ------------------------------------------------------------ */
-static void register_appl(struct capi_ctr *card, u16 applid, capi_register_params *rparam)
+static void
+register_appl(struct capi_ctr *ctr, u16 applid, capi_register_params *rparam)
{
- card = capi_ctr_get(card);
+ ctr = capi_ctr_get(ctr);
- if (card)
- card->register_appl(card, applid, rparam);
+ if (ctr)
+ ctr->register_appl(ctr, applid, rparam);
else
- printk(KERN_WARNING "%s: cannot get card resources\n", __func__);
+ printk(KERN_WARNING "%s: cannot get controller resources\n",
+ __func__);
}
-static void release_appl(struct capi_ctr *card, u16 applid)
+static void release_appl(struct capi_ctr *ctr, u16 applid)
{
DBG("applid %#x", applid);
-
- card->release_appl(card, applid);
- capi_ctr_put(card);
-}
-/* -------- KCI_CONTRUP --------------------------------------- */
+ ctr->release_appl(ctr, applid);
+ capi_ctr_put(ctr);
+}
static void notify_up(u32 contr)
{
- struct capi_ctr *card = get_capi_ctr_by_nr(contr);
struct capi20_appl *ap;
+ struct capi_ctr *ctr;
u16 applid;
- if (showcapimsgs & 1) {
- printk(KERN_DEBUG "kcapi: notify up contr %d\n", contr);
- }
- if (!card) {
+ mutex_lock(&capi_controller_lock);
+
+ if (showcapimsgs & 1)
+ printk(KERN_DEBUG "kcapi: notify up contr %d\n", contr);
+
+ ctr = get_capi_ctr_by_nr(contr);
+ if (ctr) {
+ if (ctr->state == CAPI_CTR_RUNNING)
+ goto unlock_out;
+
+ ctr->state = CAPI_CTR_RUNNING;
+
+ for (applid = 1; applid <= CAPI_MAXAPPL; applid++) {
+ ap = __get_capi_appl_by_nr(applid);
+ if (ap)
+ register_appl(ctr, applid, &ap->rparam);
+ }
+
+ wake_up_interruptible_all(&ctr->state_wait_queue);
+ } else
printk(KERN_WARNING "%s: invalid contr %d\n", __func__, contr);
- return;
- }
- for (applid = 1; applid <= CAPI_MAXAPPL; applid++) {
- ap = get_capi_appl_by_nr(applid);
- if (!ap || ap->release_in_progress) continue;
- register_appl(card, applid, &ap->rparam);
- if (ap->callback && !ap->release_in_progress)
- ap->callback(KCI_CONTRUP, contr, &card->profile);
- }
-}
-/* -------- KCI_CONTRDOWN ------------------------------------- */
+unlock_out:
+ mutex_unlock(&capi_controller_lock);
+}
-static void notify_down(u32 contr)
+static void ctr_down(struct capi_ctr *ctr, int new_state)
{
struct capi20_appl *ap;
u16 applid;
- if (showcapimsgs & 1) {
- printk(KERN_DEBUG "kcapi: notify down contr %d\n", contr);
- }
+ if (ctr->state == CAPI_CTR_DETECTED || ctr->state == CAPI_CTR_DETACHED)
+ return;
+
+ ctr->state = new_state;
+
+ memset(ctr->manu, 0, sizeof(ctr->manu));
+ memset(&ctr->version, 0, sizeof(ctr->version));
+ memset(&ctr->profile, 0, sizeof(ctr->profile));
+ memset(ctr->serial, 0, sizeof(ctr->serial));
for (applid = 1; applid <= CAPI_MAXAPPL; applid++) {
- ap = get_capi_appl_by_nr(applid);
- if (ap && ap->callback && !ap->release_in_progress)
- ap->callback(KCI_CONTRDOWN, contr, NULL);
+ ap = __get_capi_appl_by_nr(applid);
+ if (ap)
+ capi_ctr_put(ctr);
}
+
+ wake_up_interruptible_all(&ctr->state_wait_queue);
+}
+
+static void notify_down(u32 contr)
+{
+ struct capi_ctr *ctr;
+
+ mutex_lock(&capi_controller_lock);
+
+ if (showcapimsgs & 1)
+ printk(KERN_DEBUG "kcapi: notify down contr %d\n", contr);
+
+ ctr = get_capi_ctr_by_nr(contr);
+ if (ctr)
+ ctr_down(ctr, CAPI_CTR_DETECTED);
+ else
+ printk(KERN_WARNING "%s: invalid contr %d\n", __func__, contr);
+
+ mutex_unlock(&capi_controller_lock);
}
-static void notify_handler(struct work_struct *work)
+static int
+notify_handler(struct notifier_block *nb, unsigned long val, void *v)
{
- struct capi_notifier *np =
- container_of(work, struct capi_notifier, work);
+ u32 contr = (long)v;
- switch (np->cmd) {
- case KCI_CONTRUP:
- notify_up(np->controller);
+ switch (val) {
+ case CAPICTR_UP:
+ notify_up(contr);
break;
- case KCI_CONTRDOWN:
- notify_down(np->controller);
+ case CAPICTR_DOWN:
+ notify_down(contr);
break;
}
+ return NOTIFY_OK;
+}
+
+static void do_notify_work(struct work_struct *work)
+{
+ struct capictr_event *event =
+ container_of(work, struct capictr_event, work);
- kfree(np);
+ blocking_notifier_call_chain(&ctr_notifier_list, event->type,
+ (void *)(long)event->controller);
+ kfree(event);
}
/*
* The notifier will result in adding/deleteing of devices. Devices can
* only removed in user process, not in bh.
*/
-static int notify_push(unsigned int cmd, u32 controller, u16 applid, u32 ncci)
+static int notify_push(unsigned int event_type, u32 controller)
{
- struct capi_notifier *np = kmalloc(sizeof(*np), GFP_ATOMIC);
+ struct capictr_event *event = kmalloc(sizeof(*event), GFP_ATOMIC);
- if (!np)
+ if (!event)
return -ENOMEM;
- INIT_WORK(&np->work, notify_handler);
- np->cmd = cmd;
- np->controller = controller;
- np->applid = applid;
- np->ncci = ncci;
+ INIT_WORK(&event->work, do_notify_work);
+ event->type = event_type;
+ event->controller = controller;
- schedule_work(&np->work);
+ queue_work(kcapi_wq, &event->work);
return 0;
}
-
+int register_capictr_notifier(struct notifier_block *nb)
+{
+ return blocking_notifier_chain_register(&ctr_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(register_capictr_notifier);
+
+int unregister_capictr_notifier(struct notifier_block *nb)
+{
+ return blocking_notifier_chain_unregister(&ctr_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(unregister_capictr_notifier);
+
/* -------- Receiver ------------------------------------------ */
static void recv_handler(struct work_struct *work)
@@ -270,75 +331,86 @@ static void recv_handler(struct work_struct *work)
mutex_unlock(&ap->recv_mtx);
}
-void capi_ctr_handle_message(struct capi_ctr * card, u16 appl, struct sk_buff *skb)
+/**
+ * capi_ctr_handle_message() - handle incoming CAPI message
+ * @ctr: controller descriptor structure.
+ * @appl: application ID.
+ * @skb: message.
+ *
+ * Called by hardware driver to pass a CAPI message to the application.
+ */
+
+void capi_ctr_handle_message(struct capi_ctr *ctr, u16 appl,
+ struct sk_buff *skb)
{
struct capi20_appl *ap;
int showctl = 0;
u8 cmd, subcmd;
- unsigned long flags;
_cdebbuf *cdb;
- if (card->cardstate != CARD_RUNNING) {
+ if (ctr->state != CAPI_CTR_RUNNING) {
cdb = capi_message2str(skb->data);
if (cdb) {
printk(KERN_INFO "kcapi: controller [%03d] not active, got: %s",
- card->cnr, cdb->buf);
+ ctr->cnr, cdb->buf);
cdebbuf_free(cdb);
} else
printk(KERN_INFO "kcapi: controller [%03d] not active, cannot trace\n",
- card->cnr);
+ ctr->cnr);
goto error;
}
cmd = CAPIMSG_COMMAND(skb->data);
- subcmd = CAPIMSG_SUBCOMMAND(skb->data);
+ subcmd = CAPIMSG_SUBCOMMAND(skb->data);
if (cmd == CAPI_DATA_B3 && subcmd == CAPI_IND) {
- card->nrecvdatapkt++;
- if (card->traceflag > 2) showctl |= 2;
+ ctr->nrecvdatapkt++;
+ if (ctr->traceflag > 2)
+ showctl |= 2;
} else {
- card->nrecvctlpkt++;
- if (card->traceflag) showctl |= 2;
+ ctr->nrecvctlpkt++;
+ if (ctr->traceflag)
+ showctl |= 2;
}
- showctl |= (card->traceflag & 1);
+ showctl |= (ctr->traceflag & 1);
if (showctl & 2) {
if (showctl & 1) {
printk(KERN_DEBUG "kcapi: got [%03d] id#%d %s len=%u\n",
- card->cnr, CAPIMSG_APPID(skb->data),
+ ctr->cnr, CAPIMSG_APPID(skb->data),
capi_cmd2str(cmd, subcmd),
CAPIMSG_LEN(skb->data));
} else {
cdb = capi_message2str(skb->data);
if (cdb) {
printk(KERN_DEBUG "kcapi: got [%03d] %s\n",
- card->cnr, cdb->buf);
+ ctr->cnr, cdb->buf);
cdebbuf_free(cdb);
} else
printk(KERN_DEBUG "kcapi: got [%03d] id#%d %s len=%u, cannot trace\n",
- card->cnr, CAPIMSG_APPID(skb->data),
- capi_cmd2str(cmd, subcmd),
- CAPIMSG_LEN(skb->data));
+ ctr->cnr, CAPIMSG_APPID(skb->data),
+ capi_cmd2str(cmd, subcmd),
+ CAPIMSG_LEN(skb->data));
}
}
- read_lock_irqsave(&application_lock, flags);
+ rcu_read_lock();
ap = get_capi_appl_by_nr(CAPIMSG_APPID(skb->data));
- if ((!ap) || (ap->release_in_progress)) {
- read_unlock_irqrestore(&application_lock, flags);
+ if (!ap) {
+ rcu_read_unlock();
cdb = capi_message2str(skb->data);
if (cdb) {
printk(KERN_ERR "kcapi: handle_message: applid %d state released (%s)\n",
- CAPIMSG_APPID(skb->data), cdb->buf);
+ CAPIMSG_APPID(skb->data), cdb->buf);
cdebbuf_free(cdb);
} else
printk(KERN_ERR "kcapi: handle_message: applid %d state released (%s) cannot trace\n",
- CAPIMSG_APPID(skb->data),
- capi_cmd2str(cmd, subcmd));
+ CAPIMSG_APPID(skb->data),
+ capi_cmd2str(cmd, subcmd));
goto error;
}
skb_queue_tail(&ap->recv_queue, skb);
- schedule_work(&ap->recv_work);
- read_unlock_irqrestore(&application_lock, flags);
+ queue_work(kcapi_wq, &ap->recv_work);
+ rcu_read_unlock();
return;
@@ -348,64 +420,77 @@ error:
EXPORT_SYMBOL(capi_ctr_handle_message);
-void capi_ctr_ready(struct capi_ctr * card)
-{
- card->cardstate = CARD_RUNNING;
+/**
+ * capi_ctr_ready() - signal CAPI controller ready
+ * @ctr: controller descriptor structure.
+ *
+ * Called by hardware driver to signal that the controller is up and running.
+ */
- printk(KERN_NOTICE "kcapi: card [%03d] \"%s\" ready.\n",
- card->cnr, card->name);
+void capi_ctr_ready(struct capi_ctr *ctr)
+{
+ printk(KERN_NOTICE "kcapi: controller [%03d] \"%s\" ready.\n",
+ ctr->cnr, ctr->name);
- notify_push(KCI_CONTRUP, card->cnr, 0, 0);
+ notify_push(CAPICTR_UP, ctr->cnr);
}
EXPORT_SYMBOL(capi_ctr_ready);
-void capi_ctr_reseted(struct capi_ctr * card)
-{
- u16 appl;
-
- DBG("");
-
- if (card->cardstate == CARD_DETECTED)
- return;
-
- card->cardstate = CARD_DETECTED;
-
- memset(card->manu, 0, sizeof(card->manu));
- memset(&card->version, 0, sizeof(card->version));
- memset(&card->profile, 0, sizeof(card->profile));
- memset(card->serial, 0, sizeof(card->serial));
-
- for (appl = 1; appl <= CAPI_MAXAPPL; appl++) {
- struct capi20_appl *ap = get_capi_appl_by_nr(appl);
- if (!ap || ap->release_in_progress)
- continue;
-
- capi_ctr_put(card);
- }
+/**
+ * capi_ctr_down() - signal CAPI controller not ready
+ * @ctr: controller descriptor structure.
+ *
+ * Called by hardware driver to signal that the controller is down and
+ * unavailable for use.
+ */
- printk(KERN_NOTICE "kcapi: card [%03d] down.\n", card->cnr);
+void capi_ctr_down(struct capi_ctr *ctr)
+{
+ printk(KERN_NOTICE "kcapi: controller [%03d] down.\n", ctr->cnr);
- notify_push(KCI_CONTRDOWN, card->cnr, 0, 0);
+ notify_push(CAPICTR_DOWN, ctr->cnr);
}
-EXPORT_SYMBOL(capi_ctr_reseted);
+EXPORT_SYMBOL(capi_ctr_down);
-void capi_ctr_suspend_output(struct capi_ctr *card)
+/**
+ * capi_ctr_suspend_output() - suspend controller
+ * @ctr: controller descriptor structure.
+ *
+ * Called by hardware driver to stop data flow.
+ *
+ * Note: The caller is responsible for synchronizing concurrent state changes
+ * as well as invocations of capi_ctr_handle_message.
+ */
+
+void capi_ctr_suspend_output(struct capi_ctr *ctr)
{
- if (!card->blocked) {
- printk(KERN_DEBUG "kcapi: card [%03d] suspend\n", card->cnr);
- card->blocked = 1;
+ if (!ctr->blocked) {
+ printk(KERN_DEBUG "kcapi: controller [%03d] suspend\n",
+ ctr->cnr);
+ ctr->blocked = 1;
}
}
EXPORT_SYMBOL(capi_ctr_suspend_output);
-void capi_ctr_resume_output(struct capi_ctr *card)
+/**
+ * capi_ctr_resume_output() - resume controller
+ * @ctr: controller descriptor structure.
+ *
+ * Called by hardware driver to resume data flow.
+ *
+ * Note: The caller is responsible for synchronizing concurrent state changes
+ * as well as invocations of capi_ctr_handle_message.
+ */
+
+void capi_ctr_resume_output(struct capi_ctr *ctr)
{
- if (card->blocked) {
- printk(KERN_DEBUG "kcapi: card [%03d] resume\n", card->cnr);
- card->blocked = 0;
+ if (ctr->blocked) {
+ printk(KERN_DEBUG "kcapi: controller [%03d] resumed\n",
+ ctr->cnr);
+ ctr->blocked = 0;
}
}
@@ -413,90 +498,121 @@ EXPORT_SYMBOL(capi_ctr_resume_output);
/* ------------------------------------------------------------- */
-int
-attach_capi_ctr(struct capi_ctr *card)
+/**
+ * attach_capi_ctr() - register CAPI controller
+ * @ctr: controller descriptor structure.
+ *
+ * Called by hardware driver to register a controller with the CAPI subsystem.
+ * Return value: 0 on success, error code < 0 on error
+ */
+
+int attach_capi_ctr(struct capi_ctr *ctr)
{
int i;
- mutex_lock(&controller_mutex);
+ mutex_lock(&capi_controller_lock);
for (i = 0; i < CAPI_MAXCONTR; i++) {
- if (capi_cards[i] == NULL)
+ if (!capi_controller[i])
break;
}
if (i == CAPI_MAXCONTR) {
- mutex_unlock(&controller_mutex);
+ mutex_unlock(&capi_controller_lock);
printk(KERN_ERR "kcapi: out of controller slots\n");
- return -EBUSY;
- }
- capi_cards[i] = card;
-
- mutex_unlock(&controller_mutex);
-
- card->nrecvctlpkt = 0;
- card->nrecvdatapkt = 0;
- card->nsentctlpkt = 0;
- card->nsentdatapkt = 0;
- card->cnr = i + 1;
- card->cardstate = CARD_DETECTED;
- card->blocked = 0;
- card->traceflag = showcapimsgs;
-
- sprintf(card->procfn, "capi/controllers/%d", card->cnr);
- card->procent = create_proc_entry(card->procfn, 0, NULL);
- if (card->procent) {
- card->procent->read_proc =
- (int (*)(char *,char **,off_t,int,int *,void *))
- card->ctr_read_proc;
- card->procent->data = card;
+ return -EBUSY;
}
+ capi_controller[i] = ctr;
+
+ ctr->nrecvctlpkt = 0;
+ ctr->nrecvdatapkt = 0;
+ ctr->nsentctlpkt = 0;
+ ctr->nsentdatapkt = 0;
+ ctr->cnr = i + 1;
+ ctr->state = CAPI_CTR_DETECTED;
+ ctr->blocked = 0;
+ ctr->traceflag = showcapimsgs;
+ init_waitqueue_head(&ctr->state_wait_queue);
- ncards++;
- printk(KERN_NOTICE "kcapi: Controller [%03d]: %s attached\n",
- card->cnr, card->name);
+ sprintf(ctr->procfn, "capi/controllers/%d", ctr->cnr);
+ ctr->procent = proc_create_data(ctr->procfn, 0, NULL, ctr->proc_fops, ctr);
+
+ ncontrollers++;
+
+ mutex_unlock(&capi_controller_lock);
+
+ printk(KERN_NOTICE "kcapi: controller [%03d]: %s attached\n",
+ ctr->cnr, ctr->name);
return 0;
}
EXPORT_SYMBOL(attach_capi_ctr);
-int detach_capi_ctr(struct capi_ctr *card)
+/**
+ * detach_capi_ctr() - unregister CAPI controller
+ * @ctr: controller descriptor structure.
+ *
+ * Called by hardware driver to remove the registration of a controller
+ * with the CAPI subsystem.
+ * Return value: 0 on success, error code < 0 on error
+ */
+
+int detach_capi_ctr(struct capi_ctr *ctr)
{
- if (card->cardstate != CARD_DETECTED)
- capi_ctr_reseted(card);
+ int err = 0;
- ncards--;
+ mutex_lock(&capi_controller_lock);
- if (card->procent) {
- remove_proc_entry(card->procfn, NULL);
- card->procent = NULL;
+ ctr_down(ctr, CAPI_CTR_DETACHED);
+
+ if (capi_controller[ctr->cnr - 1] != ctr) {
+ err = -EINVAL;
+ goto unlock_out;
}
- capi_cards[card->cnr - 1] = NULL;
- printk(KERN_NOTICE "kcapi: Controller [%03d]: %s unregistered\n",
- card->cnr, card->name);
+ capi_controller[ctr->cnr - 1] = NULL;
+ ncontrollers--;
- return 0;
+ if (ctr->procent)
+ remove_proc_entry(ctr->procfn, NULL);
+
+ printk(KERN_NOTICE "kcapi: controller [%03d]: %s unregistered\n",
+ ctr->cnr, ctr->name);
+
+unlock_out:
+ mutex_unlock(&capi_controller_lock);
+
+ return err;
}
EXPORT_SYMBOL(detach_capi_ctr);
+/**
+ * register_capi_driver() - register CAPI driver
+ * @driver: driver descriptor structure.
+ *
+ * Called by hardware driver to register itself with the CAPI subsystem.
+ */
+
void register_capi_driver(struct capi_driver *driver)
{
- unsigned long flags;
-
- write_lock_irqsave(&capi_drivers_list_lock, flags);
+ mutex_lock(&capi_drivers_lock);
list_add_tail(&driver->list, &capi_drivers);
- write_unlock_irqrestore(&capi_drivers_list_lock, flags);
+ mutex_unlock(&capi_drivers_lock);
}
EXPORT_SYMBOL(register_capi_driver);
+/**
+ * unregister_capi_driver() - unregister CAPI driver
+ * @driver: driver descriptor structure.
+ *
+ * Called by hardware driver to unregister itself from the CAPI subsystem.
+ */
+
void unregister_capi_driver(struct capi_driver *driver)
{
- unsigned long flags;
-
- write_lock_irqsave(&capi_drivers_list_lock, flags);
+ mutex_lock(&capi_drivers_lock);
list_del(&driver->list);
- write_unlock_irqrestore(&capi_drivers_list_lock, flags);
+ mutex_unlock(&capi_drivers_lock);
}
EXPORT_SYMBOL(unregister_capi_driver);
@@ -505,62 +621,87 @@ EXPORT_SYMBOL(unregister_capi_driver);
/* -------- CAPI2.0 Interface ---------------------------------- */
/* ------------------------------------------------------------- */
+/**
+ * capi20_isinstalled() - CAPI 2.0 operation CAPI_INSTALLED
+ *
+ * Return value: CAPI result code (CAPI_NOERROR if at least one ISDN controller
+ * is ready for use, CAPI_REGNOTINSTALLED otherwise)
+ */
+
u16 capi20_isinstalled(void)
{
+ u16 ret = CAPI_REGNOTINSTALLED;
int i;
- for (i = 0; i < CAPI_MAXCONTR; i++) {
- if (capi_cards[i] && capi_cards[i]->cardstate == CARD_RUNNING)
- return CAPI_NOERROR;
- }
- return CAPI_REGNOTINSTALLED;
+
+ mutex_lock(&capi_controller_lock);
+
+ for (i = 0; i < CAPI_MAXCONTR; i++)
+ if (capi_controller[i] &&
+ capi_controller[i]->state == CAPI_CTR_RUNNING) {
+ ret = CAPI_NOERROR;
+ break;
+ }
+
+ mutex_unlock(&capi_controller_lock);
+
+ return ret;
}
EXPORT_SYMBOL(capi20_isinstalled);
+/**
+ * capi20_register() - CAPI 2.0 operation CAPI_REGISTER
+ * @ap: CAPI application descriptor structure.
+ *
+ * Register an application's presence with CAPI.
+ * A unique application ID is assigned and stored in @ap->applid.
+ * After this function returns successfully, the message receive
+ * callback function @ap->recv_message() may be called at any time
+ * until capi20_release() has been called for the same @ap.
+ * Return value: CAPI result code
+ */
+
u16 capi20_register(struct capi20_appl *ap)
{
int i;
u16 applid;
- unsigned long flags;
DBG("");
if (ap->rparam.datablklen < 128)
return CAPI_LOGBLKSIZETOSMALL;
- write_lock_irqsave(&application_lock, flags);
+ ap->nrecvctlpkt = 0;
+ ap->nrecvdatapkt = 0;
+ ap->nsentctlpkt = 0;
+ ap->nsentdatapkt = 0;
+ mutex_init(&ap->recv_mtx);
+ skb_queue_head_init(&ap->recv_queue);
+ INIT_WORK(&ap->recv_work, recv_handler);
+ ap->release_in_progress = 0;
+
+ mutex_lock(&capi_controller_lock);
for (applid = 1; applid <= CAPI_MAXAPPL; applid++) {
if (capi_applications[applid - 1] == NULL)
break;
}
if (applid > CAPI_MAXAPPL) {
- write_unlock_irqrestore(&application_lock, flags);
+ mutex_unlock(&capi_controller_lock);
return CAPI_TOOMANYAPPLS;
}
ap->applid = applid;
capi_applications[applid - 1] = ap;
- ap->nrecvctlpkt = 0;
- ap->nrecvdatapkt = 0;
- ap->nsentctlpkt = 0;
- ap->nsentdatapkt = 0;
- ap->callback = NULL;
- mutex_init(&ap->recv_mtx);
- skb_queue_head_init(&ap->recv_queue);
- INIT_WORK(&ap->recv_work, recv_handler);
- ap->release_in_progress = 0;
-
- write_unlock_irqrestore(&application_lock, flags);
-
- mutex_lock(&controller_mutex);
for (i = 0; i < CAPI_MAXCONTR; i++) {
- if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING)
+ if (!capi_controller[i] ||
+ capi_controller[i]->state != CAPI_CTR_RUNNING)
continue;
- register_appl(capi_cards[i], applid, &ap->rparam);
+ register_appl(capi_controller[i], applid, &ap->rparam);
}
- mutex_unlock(&controller_mutex);
+
+ mutex_unlock(&capi_controller_lock);
if (showcapimsgs & 1) {
printk(KERN_DEBUG "kcapi: appl %d up\n", applid);
@@ -571,27 +712,39 @@ u16 capi20_register(struct capi20_appl *ap)
EXPORT_SYMBOL(capi20_register);
+/**
+ * capi20_release() - CAPI 2.0 operation CAPI_RELEASE
+ * @ap: CAPI application descriptor structure.
+ *
+ * Terminate an application's registration with CAPI.
+ * After this function returns successfully, the message receive
+ * callback function @ap->recv_message() will no longer be called.
+ * Return value: CAPI result code
+ */
+
u16 capi20_release(struct capi20_appl *ap)
{
int i;
- unsigned long flags;
DBG("applid %#x", ap->applid);
- write_lock_irqsave(&application_lock, flags);
+ mutex_lock(&capi_controller_lock);
+
ap->release_in_progress = 1;
capi_applications[ap->applid - 1] = NULL;
- write_unlock_irqrestore(&application_lock, flags);
- mutex_lock(&controller_mutex);
+ synchronize_rcu();
+
for (i = 0; i < CAPI_MAXCONTR; i++) {
- if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING)
+ if (!capi_controller[i] ||
+ capi_controller[i]->state != CAPI_CTR_RUNNING)
continue;
- release_appl(capi_cards[i], ap->applid);
+ release_appl(capi_controller[i], ap->applid);
}
- mutex_unlock(&controller_mutex);
- flush_scheduled_work();
+ mutex_unlock(&capi_controller_lock);
+
+ flush_workqueue(kcapi_wq);
skb_queue_purge(&ap->recv_queue);
if (showcapimsgs & 1) {
@@ -603,15 +756,24 @@ u16 capi20_release(struct capi20_appl *ap)
EXPORT_SYMBOL(capi20_release);
+/**
+ * capi20_put_message() - CAPI 2.0 operation CAPI_PUT_MESSAGE
+ * @ap: CAPI application descriptor structure.
+ * @skb: CAPI message.
+ *
+ * Transfer a single message to CAPI.
+ * Return value: CAPI result code
+ */
+
u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb)
{
- struct capi_ctr *card;
+ struct capi_ctr *ctr;
int showctl = 0;
u8 cmd, subcmd;
DBG("applid %#x", ap->applid);
-
- if (ncards == 0)
+
+ if (ncontrollers == 0)
return CAPI_REGNOTINSTALLED;
if ((ap->applid == 0) || ap->release_in_progress)
return CAPI_ILLAPPNR;
@@ -619,28 +781,33 @@ u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb)
|| !capi_cmd_valid(CAPIMSG_COMMAND(skb->data))
|| !capi_subcmd_valid(CAPIMSG_SUBCOMMAND(skb->data)))
return CAPI_ILLCMDORSUBCMDORMSGTOSMALL;
- card = get_capi_ctr_by_nr(CAPIMSG_CONTROLLER(skb->data));
- if (!card || card->cardstate != CARD_RUNNING) {
- card = get_capi_ctr_by_nr(1); // XXX why?
- if (!card || card->cardstate != CARD_RUNNING)
- return CAPI_REGNOTINSTALLED;
- }
- if (card->blocked)
+
+ /*
+ * The controller reference is protected by the existence of the
+ * application passed to us. We assume that the caller properly
+ * synchronizes this service with capi20_release.
+ */
+ ctr = get_capi_ctr_by_nr(CAPIMSG_CONTROLLER(skb->data));
+ if (!ctr || ctr->state != CAPI_CTR_RUNNING)
+ return CAPI_REGNOTINSTALLED;
+ if (ctr->blocked)
return CAPI_SENDQUEUEFULL;
cmd = CAPIMSG_COMMAND(skb->data);
- subcmd = CAPIMSG_SUBCOMMAND(skb->data);
+ subcmd = CAPIMSG_SUBCOMMAND(skb->data);
- if (cmd == CAPI_DATA_B3 && subcmd== CAPI_REQ) {
- card->nsentdatapkt++;
+ if (cmd == CAPI_DATA_B3 && subcmd == CAPI_REQ) {
+ ctr->nsentdatapkt++;
ap->nsentdatapkt++;
- if (card->traceflag > 2) showctl |= 2;
+ if (ctr->traceflag > 2)
+ showctl |= 2;
} else {
- card->nsentctlpkt++;
+ ctr->nsentctlpkt++;
ap->nsentctlpkt++;
- if (card->traceflag) showctl |= 2;
+ if (ctr->traceflag)
+ showctl |= 2;
}
- showctl |= (card->traceflag & 1);
+ showctl |= (ctr->traceflag & 1);
if (showctl & 2) {
if (showctl & 1) {
printk(KERN_DEBUG "kcapi: put [%03d] id#%d %s len=%u\n",
@@ -652,94 +819,198 @@ u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb)
_cdebbuf *cdb = capi_message2str(skb->data);
if (cdb) {
printk(KERN_DEBUG "kcapi: put [%03d] %s\n",
- CAPIMSG_CONTROLLER(skb->data),
- cdb->buf);
+ CAPIMSG_CONTROLLER(skb->data),
+ cdb->buf);
cdebbuf_free(cdb);
} else
printk(KERN_DEBUG "kcapi: put [%03d] id#%d %s len=%u cannot trace\n",
- CAPIMSG_CONTROLLER(skb->data),
- CAPIMSG_APPID(skb->data),
- capi_cmd2str(cmd, subcmd),
- CAPIMSG_LEN(skb->data));
+ CAPIMSG_CONTROLLER(skb->data),
+ CAPIMSG_APPID(skb->data),
+ capi_cmd2str(cmd, subcmd),
+ CAPIMSG_LEN(skb->data));
}
}
- return card->send_message(card, skb);
+ return ctr->send_message(ctr, skb);
}
EXPORT_SYMBOL(capi20_put_message);
+/**
+ * capi20_get_manufacturer() - CAPI 2.0 operation CAPI_GET_MANUFACTURER
+ * @contr: controller number.
+ * @buf: result buffer (64 bytes).
+ *
+ * Retrieve information about the manufacturer of the specified ISDN controller
+ * or (for @contr == 0) the driver itself.
+ * Return value: CAPI result code
+ */
+
u16 capi20_get_manufacturer(u32 contr, u8 *buf)
{
- struct capi_ctr *card;
+ struct capi_ctr *ctr;
+ u16 ret;
if (contr == 0) {
strlcpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN);
return CAPI_NOERROR;
}
- card = get_capi_ctr_by_nr(contr);
- if (!card || card->cardstate != CARD_RUNNING)
- return CAPI_REGNOTINSTALLED;
- strlcpy(buf, card->manu, CAPI_MANUFACTURER_LEN);
- return CAPI_NOERROR;
+
+ mutex_lock(&capi_controller_lock);
+
+ ctr = get_capi_ctr_by_nr(contr);
+ if (ctr && ctr->state == CAPI_CTR_RUNNING) {
+ strlcpy(buf, ctr->manu, CAPI_MANUFACTURER_LEN);
+ ret = CAPI_NOERROR;
+ } else
+ ret = CAPI_REGNOTINSTALLED;
+
+ mutex_unlock(&capi_controller_lock);
+ return ret;
}
EXPORT_SYMBOL(capi20_get_manufacturer);
+/**
+ * capi20_get_version() - CAPI 2.0 operation CAPI_GET_VERSION
+ * @contr: controller number.
+ * @verp: result structure.
+ *
+ * Retrieve version information for the specified ISDN controller
+ * or (for @contr == 0) the driver itself.
+ * Return value: CAPI result code
+ */
+
u16 capi20_get_version(u32 contr, struct capi_version *verp)
{
- struct capi_ctr *card;
+ struct capi_ctr *ctr;
+ u16 ret;
if (contr == 0) {
*verp = driver_version;
return CAPI_NOERROR;
}
- card = get_capi_ctr_by_nr(contr);
- if (!card || card->cardstate != CARD_RUNNING)
- return CAPI_REGNOTINSTALLED;
- memcpy((void *) verp, &card->version, sizeof(capi_version));
- return CAPI_NOERROR;
+ mutex_lock(&capi_controller_lock);
+
+ ctr = get_capi_ctr_by_nr(contr);
+ if (ctr && ctr->state == CAPI_CTR_RUNNING) {
+ memcpy(verp, &ctr->version, sizeof(capi_version));
+ ret = CAPI_NOERROR;
+ } else
+ ret = CAPI_REGNOTINSTALLED;
+
+ mutex_unlock(&capi_controller_lock);
+ return ret;
}
EXPORT_SYMBOL(capi20_get_version);
+/**
+ * capi20_get_serial() - CAPI 2.0 operation CAPI_GET_SERIAL_NUMBER
+ * @contr: controller number.
+ * @serial: result buffer (8 bytes).
+ *
+ * Retrieve the serial number of the specified ISDN controller
+ * or (for @contr == 0) the driver itself.
+ * Return value: CAPI result code
+ */
+
u16 capi20_get_serial(u32 contr, u8 *serial)
{
- struct capi_ctr *card;
+ struct capi_ctr *ctr;
+ u16 ret;
if (contr == 0) {
strlcpy(serial, driver_serial, CAPI_SERIAL_LEN);
return CAPI_NOERROR;
}
- card = get_capi_ctr_by_nr(contr);
- if (!card || card->cardstate != CARD_RUNNING)
- return CAPI_REGNOTINSTALLED;
- strlcpy((void *) serial, card->serial, CAPI_SERIAL_LEN);
- return CAPI_NOERROR;
+ mutex_lock(&capi_controller_lock);
+
+ ctr = get_capi_ctr_by_nr(contr);
+ if (ctr && ctr->state == CAPI_CTR_RUNNING) {
+ strlcpy(serial, ctr->serial, CAPI_SERIAL_LEN);
+ ret = CAPI_NOERROR;
+ } else
+ ret = CAPI_REGNOTINSTALLED;
+
+ mutex_unlock(&capi_controller_lock);
+ return ret;
}
EXPORT_SYMBOL(capi20_get_serial);
+/**
+ * capi20_get_profile() - CAPI 2.0 operation CAPI_GET_PROFILE
+ * @contr: controller number.
+ * @profp: result structure.
+ *
+ * Retrieve capability information for the specified ISDN controller
+ * or (for @contr == 0) the number of installed controllers.
+ * Return value: CAPI result code
+ */
+
u16 capi20_get_profile(u32 contr, struct capi_profile *profp)
{
- struct capi_ctr *card;
+ struct capi_ctr *ctr;
+ u16 ret;
if (contr == 0) {
- profp->ncontroller = ncards;
+ profp->ncontroller = ncontrollers;
return CAPI_NOERROR;
}
- card = get_capi_ctr_by_nr(contr);
- if (!card || card->cardstate != CARD_RUNNING)
- return CAPI_REGNOTINSTALLED;
- memcpy((void *) profp, &card->profile,
- sizeof(struct capi_profile));
- return CAPI_NOERROR;
+ mutex_lock(&capi_controller_lock);
+
+ ctr = get_capi_ctr_by_nr(contr);
+ if (ctr && ctr->state == CAPI_CTR_RUNNING) {
+ memcpy(profp, &ctr->profile, sizeof(struct capi_profile));
+ ret = CAPI_NOERROR;
+ } else
+ ret = CAPI_REGNOTINSTALLED;
+
+ mutex_unlock(&capi_controller_lock);
+ return ret;
}
EXPORT_SYMBOL(capi20_get_profile);
+/* Must be called with capi_controller_lock held. */
+static int wait_on_ctr_state(struct capi_ctr *ctr, unsigned int state)
+{
+ DEFINE_WAIT(wait);
+ int retval = 0;
+
+ ctr = capi_ctr_get(ctr);
+ if (!ctr)
+ return -ESRCH;
+
+ for (;;) {
+ prepare_to_wait(&ctr->state_wait_queue, &wait,
+ TASK_INTERRUPTIBLE);
+
+ if (ctr->state == state)
+ break;
+ if (ctr->state == CAPI_CTR_DETACHED) {
+ retval = -ESRCH;
+ break;
+ }
+ if (signal_pending(current)) {
+ retval = -EINTR;
+ break;
+ }
+
+ mutex_unlock(&capi_controller_lock);
+ schedule();
+ mutex_lock(&capi_controller_lock);
+ }
+ finish_wait(&ctr->state_wait_queue, &wait);
+
+ capi_ctr_put(ctr);
+
+ return retval;
+}
+
#ifdef AVMB1_COMPAT
static int old_capi_manufacturer(unsigned int cmd, void __user *data)
{
@@ -747,63 +1018,60 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
avmb1_extcarddef cdef;
avmb1_resetdef rdef;
capicardparams cparams;
- struct capi_ctr *card;
+ struct capi_ctr *ctr;
struct capi_driver *driver = NULL;
capiloaddata ldata;
struct list_head *l;
- unsigned long flags;
int retval;
switch (cmd) {
case AVMB1_ADDCARD:
case AVMB1_ADDCARD_WITH_TYPE:
if (cmd == AVMB1_ADDCARD) {
- if ((retval = copy_from_user(&cdef, data,
- sizeof(avmb1_carddef))))
- return retval;
- cdef.cardtype = AVM_CARDTYPE_B1;
+ if ((retval = copy_from_user(&cdef, data,
+ sizeof(avmb1_carddef))))
+ return -EFAULT;
+ cdef.cardtype = AVM_CARDTYPE_B1;
} else {
- if ((retval = copy_from_user(&cdef, data,
- sizeof(avmb1_extcarddef))))
- return retval;
+ if ((retval = copy_from_user(&cdef, data,
+ sizeof(avmb1_extcarddef))))
+ return -EFAULT;
}
cparams.port = cdef.port;
cparams.irq = cdef.irq;
cparams.cardnr = cdef.cardnr;
- read_lock_irqsave(&capi_drivers_list_lock, flags);
- switch (cdef.cardtype) {
- case AVM_CARDTYPE_B1:
- list_for_each(l, &capi_drivers) {
- driver = list_entry(l, struct capi_driver, list);
- if (strcmp(driver->name, "b1isa") == 0)
- break;
- }
- break;
- case AVM_CARDTYPE_T1:
- list_for_each(l, &capi_drivers) {
- driver = list_entry(l, struct capi_driver, list);
- if (strcmp(driver->name, "t1isa") == 0)
- break;
- }
- break;
- default:
- driver = NULL;
- break;
+ mutex_lock(&capi_drivers_lock);
+
+ switch (cdef.cardtype) {
+ case AVM_CARDTYPE_B1:
+ list_for_each(l, &capi_drivers) {
+ driver = list_entry(l, struct capi_driver, list);
+ if (strcmp(driver->name, "b1isa") == 0)
+ break;
+ }
+ break;
+ case AVM_CARDTYPE_T1:
+ list_for_each(l, &capi_drivers) {
+ driver = list_entry(l, struct capi_driver, list);
+ if (strcmp(driver->name, "t1isa") == 0)
+ break;
+ }
+ break;
+ default:
+ driver = NULL;
+ break;
}
if (!driver) {
- read_unlock_irqrestore(&capi_drivers_list_lock, flags);
printk(KERN_ERR "kcapi: driver not loaded.\n");
- return -EIO;
- }
- if (!driver->add_card) {
- read_unlock_irqrestore(&capi_drivers_list_lock, flags);
+ retval = -EIO;
+ } else if (!driver->add_card) {
printk(KERN_ERR "kcapi: driver has no add card function.\n");
- return -EIO;
- }
+ retval = -EIO;
+ } else
+ retval = driver->add_card(driver, &cparams);
- retval = driver->add_card(driver, &cparams);
- read_unlock_irqrestore(&capi_drivers_list_lock, flags);
+ mutex_unlock(&capi_drivers_lock);
return retval;
case AVMB1_LOAD:
@@ -820,27 +1088,30 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
sizeof(avmb1_loadandconfigdef)))
return -EFAULT;
}
- card = get_capi_ctr_by_nr(ldef.contr);
- if (!card)
- return -EINVAL;
- card = capi_ctr_get(card);
- if (!card)
- return -ESRCH;
- if (card->load_firmware == NULL) {
+
+ mutex_lock(&capi_controller_lock);
+
+ ctr = get_capi_ctr_by_nr(ldef.contr);
+ if (!ctr) {
+ retval = -EINVAL;
+ goto load_unlock_out;
+ }
+
+ if (ctr->load_firmware == NULL) {
printk(KERN_DEBUG "kcapi: load: no load function\n");
- capi_ctr_put(card);
- return -ESRCH;
+ retval = -ESRCH;
+ goto load_unlock_out;
}
if (ldef.t4file.len <= 0) {
printk(KERN_DEBUG "kcapi: load: invalid parameter: length of t4file is %d ?\n", ldef.t4file.len);
- capi_ctr_put(card);
- return -EINVAL;
+ retval = -EINVAL;
+ goto load_unlock_out;
}
if (ldef.t4file.data == NULL) {
printk(KERN_DEBUG "kcapi: load: invalid parameter: dataptr is 0\n");
- capi_ctr_put(card);
- return -EINVAL;
+ retval = -EINVAL;
+ goto load_unlock_out;
}
ldata.firmware.user = 1;
@@ -850,62 +1121,73 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
ldata.configuration.data = ldef.t4config.data;
ldata.configuration.len = ldef.t4config.len;
- if (card->cardstate != CARD_DETECTED) {
+ if (ctr->state != CAPI_CTR_DETECTED) {
printk(KERN_INFO "kcapi: load: contr=%d not in detect state\n", ldef.contr);
- capi_ctr_put(card);
- return -EBUSY;
+ retval = -EBUSY;
+ goto load_unlock_out;
}
- card->cardstate = CARD_LOADING;
-
- retval = card->load_firmware(card, &ldata);
+ ctr->state = CAPI_CTR_LOADING;
+ retval = ctr->load_firmware(ctr, &ldata);
if (retval) {
- card->cardstate = CARD_DETECTED;
- capi_ctr_put(card);
- return retval;
+ ctr->state = CAPI_CTR_DETECTED;
+ goto load_unlock_out;
}
- while (card->cardstate != CARD_RUNNING) {
+ retval = wait_on_ctr_state(ctr, CAPI_CTR_RUNNING);
- msleep_interruptible(100); /* 0.1 sec */
-
- if (signal_pending(current)) {
- capi_ctr_put(card);
- return -EINTR;
- }
- }
- capi_ctr_put(card);
- return 0;
+ load_unlock_out:
+ mutex_unlock(&capi_controller_lock);
+ return retval;
case AVMB1_RESETCARD:
if (copy_from_user(&rdef, data, sizeof(avmb1_resetdef)))
return -EFAULT;
- card = get_capi_ctr_by_nr(rdef.contr);
- if (!card)
- return -ESRCH;
- if (card->cardstate == CARD_DETECTED)
- return 0;
+ retval = 0;
- card->reset_ctr(card);
+ mutex_lock(&capi_controller_lock);
- while (card->cardstate > CARD_DETECTED) {
+ ctr = get_capi_ctr_by_nr(rdef.contr);
+ if (!ctr) {
+ retval = -ESRCH;
+ goto reset_unlock_out;
+ }
- msleep_interruptible(100); /* 0.1 sec */
+ if (ctr->state == CAPI_CTR_DETECTED)
+ goto reset_unlock_out;
- if (signal_pending(current))
- return -EINTR;
+ if (ctr->reset_ctr == NULL) {
+ printk(KERN_DEBUG "kcapi: reset: no reset function\n");
+ retval = -ESRCH;
+ goto reset_unlock_out;
}
- return 0;
+ ctr->reset_ctr(ctr);
+
+ retval = wait_on_ctr_state(ctr, CAPI_CTR_DETECTED);
+
+ reset_unlock_out:
+ mutex_unlock(&capi_controller_lock);
+ return retval;
}
return -EINVAL;
}
#endif
+/**
+ * capi20_manufacturer() - CAPI 2.0 operation CAPI_MANUFACTURER
+ * @cmd: command.
+ * @data: parameter.
+ *
+ * Perform manufacturer specific command.
+ * Return value: CAPI result code
+ */
+
int capi20_manufacturer(unsigned int cmd, void __user *data)
{
- struct capi_ctr *card;
+ struct capi_ctr *ctr;
+ int retval;
switch (cmd) {
#ifdef AVMB1_COMPAT
@@ -923,14 +1205,20 @@ int capi20_manufacturer(unsigned int cmd, void __user *data)
if (copy_from_user(&fdef, data, sizeof(kcapi_flagdef)))
return -EFAULT;
- card = get_capi_ctr_by_nr(fdef.contr);
- if (!card)
- return -ESRCH;
+ mutex_lock(&capi_controller_lock);
+
+ ctr = get_capi_ctr_by_nr(fdef.contr);
+ if (ctr) {
+ ctr->traceflag = fdef.flag;
+ printk(KERN_INFO "kcapi: contr [%03d] set trace=%d\n",
+ ctr->cnr, ctr->traceflag);
+ retval = 0;
+ } else
+ retval = -ESRCH;
+
+ mutex_unlock(&capi_controller_lock);
- card->traceflag = fdef.flag;
- printk(KERN_INFO "kcapi: contr [%03d] set trace=%d\n",
- card->cnr, card->traceflag);
- return 0;
+ return retval;
}
case KCAPI_CMD_ADDCARD:
{
@@ -938,17 +1226,18 @@ int capi20_manufacturer(unsigned int cmd, void __user *data)
struct capi_driver *driver = NULL;
capicardparams cparams;
kcapi_carddef cdef;
- int retval;
if ((retval = copy_from_user(&cdef, data, sizeof(cdef))))
- return retval;
+ return -EFAULT;
cparams.port = cdef.port;
cparams.irq = cdef.irq;
cparams.membase = cdef.membase;
cparams.cardnr = cdef.cardnr;
cparams.cardtype = 0;
- cdef.driver[sizeof(cdef.driver)-1] = 0;
+ cdef.driver[sizeof(cdef.driver) - 1] = 0;
+
+ mutex_lock(&capi_drivers_lock);
list_for_each(l, &capi_drivers) {
driver = list_entry(l, struct capi_driver, list);
@@ -957,21 +1246,21 @@ int capi20_manufacturer(unsigned int cmd, void __user *data)
}
if (driver == NULL) {
printk(KERN_ERR "kcapi: driver \"%s\" not loaded.\n",
- cdef.driver);
- return -ESRCH;
- }
-
- if (!driver->add_card) {
+ cdef.driver);
+ retval = -ESRCH;
+ } else if (!driver->add_card) {
printk(KERN_ERR "kcapi: driver \"%s\" has no add card function.\n", cdef.driver);
- return -EIO;
- }
+ retval = -EIO;
+ } else
+ retval = driver->add_card(driver, &cparams);
- return driver->add_card(driver, &cparams);
+ mutex_unlock(&capi_drivers_lock);
+ return retval;
}
default:
printk(KERN_ERR "kcapi: manufacturer command %d unknown.\n",
- cmd);
+ cmd);
break;
}
@@ -980,15 +1269,6 @@ int capi20_manufacturer(unsigned int cmd, void __user *data)
EXPORT_SYMBOL(capi20_manufacturer);
-/* temporary hack */
-void capi20_set_callback(struct capi20_appl *ap,
- void (*callback) (unsigned int cmd, __u32 contr, void *data))
-{
- ap->callback = callback;
-}
-
-EXPORT_SYMBOL(capi20_set_callback);
-
/* ------------------------------------------------------------- */
/* -------- Init & Cleanup ------------------------------------- */
/* ------------------------------------------------------------- */
@@ -997,36 +1277,39 @@ EXPORT_SYMBOL(capi20_set_callback);
* init / exit functions
*/
+static struct notifier_block capictr_nb = {
+ .notifier_call = notify_handler,
+ .priority = INT_MAX,
+};
+
static int __init kcapi_init(void)
{
- char *p;
- char rev[32];
- int ret;
-
- ret = cdebug_init();
- if (ret)
- return ret;
- kcapi_proc_init();
-
- if ((p = strchr(revision, ':')) != NULL && p[1]) {
- strlcpy(rev, p + 2, sizeof(rev));
- if ((p = strchr(rev, '$')) != NULL && p > rev)
- *(p-1) = 0;
- } else
- strcpy(rev, "1.0");
+ int err;
- printk(KERN_NOTICE "CAPI Subsystem Rev %s\n", rev);
+ kcapi_wq = alloc_workqueue("kcapi", 0, 0);
+ if (!kcapi_wq)
+ return -ENOMEM;
+
+ register_capictr_notifier(&capictr_nb);
+
+ err = cdebug_init();
+ if (err) {
+ unregister_capictr_notifier(&capictr_nb);
+ destroy_workqueue(kcapi_wq);
+ return err;
+ }
+ kcapi_proc_init();
return 0;
}
static void __exit kcapi_exit(void)
{
- kcapi_proc_exit();
+ kcapi_proc_exit();
- /* make sure all notifiers are finished */
- flush_scheduled_work();
+ unregister_capictr_notifier(&capictr_nb);
cdebug_exit();
+ destroy_workqueue(kcapi_wq);
}
module_init(kcapi_init);
diff --git a/drivers/isdn/capi/kcapi.h b/drivers/isdn/capi/kcapi.h
index 244711f7f83..6d439f9a76b 100644
--- a/drivers/isdn/capi/kcapi.h
+++ b/drivers/isdn/capi/kcapi.h
@@ -1,9 +1,9 @@
/*
* Kernel CAPI 2.0 Module
- *
+ *
* Copyright 1999 by Carsten Paeth <calle@calle.de>
* Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
- *
+ *
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
@@ -16,24 +16,27 @@
#include <linux/isdn/capilli.h>
#ifdef KCAPI_DEBUG
-#define DBG(format, arg...) do { \
-printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
-} while (0)
+#define DBG(format, arg...) do { \
+ printk(KERN_DEBUG "%s: " format "\n" , __func__ , ## arg); \
+ } while (0)
#else
#define DBG(format, arg...) /* */
#endif
enum {
- CARD_DETECTED = 1,
- CARD_LOADING = 2,
- CARD_RUNNING = 3,
+ CAPI_CTR_DETACHED = 0,
+ CAPI_CTR_DETECTED = 1,
+ CAPI_CTR_LOADING = 2,
+ CAPI_CTR_RUNNING = 3,
};
extern struct list_head capi_drivers;
-extern rwlock_t capi_drivers_list_lock;
+extern struct mutex capi_drivers_lock;
+
+extern struct capi_ctr *capi_controller[CAPI_MAXCONTR];
+extern struct mutex capi_controller_lock;
extern struct capi20_appl *capi_applications[CAPI_MAXAPPL];
-extern struct capi_ctr *capi_cards[CAPI_MAXCONTR];
#ifdef CONFIG_PROC_FS
@@ -46,4 +49,3 @@ static inline void kcapi_proc_init(void) { };
static inline void kcapi_proc_exit(void) { };
#endif
-
diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index c29208bd752..68db3c5a106 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -1,9 +1,9 @@
/*
* Kernel CAPI 2.0 Module - /proc/capi handling
- *
+ *
* Copyright 1999 by Carsten Paeth <calle@calle.de>
* Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
- *
+ *
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
@@ -14,14 +14,14 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
+#include <linux/export.h>
-static char *
-cardstate2str(unsigned short cardstate)
+static char *state2str(unsigned short state)
{
- switch (cardstate) {
- case CARD_DETECTED: return "detected";
- case CARD_LOADING: return "loading";
- case CARD_RUNNING: return "running";
+ switch (state) {
+ case CAPI_CTR_DETECTED: return "detected";
+ case CAPI_CTR_LOADING: return "loading";
+ case CAPI_CTR_RUNNING: return "running";
default: return "???";
}
}
@@ -29,16 +29,19 @@ cardstate2str(unsigned short cardstate)
// /proc/capi
// ===========================================================================
-// /proc/capi/controller:
+// /proc/capi/controller:
// cnr driver cardstate name driverinfo
// /proc/capi/contrstats:
// cnr nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt
// ---------------------------------------------------------------------------
static void *controller_start(struct seq_file *seq, loff_t *pos)
+ __acquires(capi_controller_lock)
{
+ mutex_lock(&capi_controller_lock);
+
if (*pos < CAPI_MAXCONTR)
- return &capi_cards[*pos];
+ return &capi_controller[*pos];
return NULL;
}
@@ -47,13 +50,15 @@ static void *controller_next(struct seq_file *seq, void *v, loff_t *pos)
{
++*pos;
if (*pos < CAPI_MAXCONTR)
- return &capi_cards[*pos];
+ return &capi_controller[*pos];
return NULL;
}
static void controller_stop(struct seq_file *seq, void *v)
+ __releases(capi_controller_lock)
{
+ mutex_unlock(&capi_controller_lock);
}
static int controller_show(struct seq_file *seq, void *v)
@@ -65,7 +70,7 @@ static int controller_show(struct seq_file *seq, void *v)
seq_printf(seq, "%d %-10s %-8s %-16s %s\n",
ctr->cnr, ctr->driver_name,
- cardstate2str(ctr->cardstate),
+ state2str(ctr->state),
ctr->name,
ctr->procinfo ? ctr->procinfo(ctr) : "");
@@ -80,7 +85,7 @@ static int contrstats_show(struct seq_file *seq, void *v)
return 0;
seq_printf(seq, "%d %lu %lu %lu %lu\n",
- ctr->cnr,
+ ctr->cnr,
ctr->nrecvctlpkt,
ctr->nrecvdatapkt,
ctr->nsentctlpkt,
@@ -89,14 +94,14 @@ static int contrstats_show(struct seq_file *seq, void *v)
return 0;
}
-static struct seq_operations seq_controller_ops = {
+static const struct seq_operations seq_controller_ops = {
.start = controller_start,
.next = controller_next,
.stop = controller_stop,
.show = controller_show,
};
-static struct seq_operations seq_contrstats_ops = {
+static const struct seq_operations seq_contrstats_ops = {
.start = controller_start,
.next = controller_next,
.stop = controller_stop,
@@ -129,15 +134,17 @@ static const struct file_operations proc_contrstats_ops = {
.release = seq_release,
};
-// /proc/capi/applications:
+// /proc/capi/applications:
// applid l3cnt dblkcnt dblklen #ncci recvqueuelen
-// /proc/capi/applstats:
+// /proc/capi/applstats:
// applid nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt
// ---------------------------------------------------------------------------
-static void *
-applications_start(struct seq_file *seq, loff_t *pos)
+static void *applications_start(struct seq_file *seq, loff_t *pos)
+ __acquires(capi_controller_lock)
{
+ mutex_lock(&capi_controller_lock);
+
if (*pos < CAPI_MAXAPPL)
return &capi_applications[*pos];
@@ -154,9 +161,10 @@ applications_next(struct seq_file *seq, void *v, loff_t *pos)
return NULL;
}
-static void
-applications_stop(struct seq_file *seq, void *v)
+static void applications_stop(struct seq_file *seq, void *v)
+ __releases(capi_controller_lock)
{
+ mutex_unlock(&capi_controller_lock);
}
static int
@@ -194,14 +202,14 @@ applstats_show(struct seq_file *seq, void *v)
return 0;
}
-static struct seq_operations seq_applications_ops = {
+static const struct seq_operations seq_applications_ops = {
.start = applications_start,
.next = applications_next,
.stop = applications_stop,
.show = applications_show,
};
-static struct seq_operations seq_applstats_ops = {
+static const struct seq_operations seq_applstats_ops = {
.start = applications_start,
.next = applications_next,
.stop = applications_stop,
@@ -239,8 +247,9 @@ static const struct file_operations proc_applstats_ops = {
// ---------------------------------------------------------------------------
static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
+ __acquires(&capi_drivers_lock)
{
- read_lock(&capi_drivers_list_lock);
+ mutex_lock(&capi_drivers_lock);
return seq_list_start(&capi_drivers, *pos);
}
@@ -250,8 +259,9 @@ static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void capi_driver_stop(struct seq_file *seq, void *v)
+ __releases(&capi_drivers_lock)
{
- read_unlock(&capi_drivers_list_lock);
+ mutex_unlock(&capi_drivers_lock);
}
static int capi_driver_show(struct seq_file *seq, void *v)
@@ -262,7 +272,7 @@ static int capi_driver_show(struct seq_file *seq, void *v)
return 0;
}
-static struct seq_operations seq_capi_driver_ops = {
+static const struct seq_operations seq_capi_driver_ops = {
.start = capi_driver_start,
.next = capi_driver_next,
.stop = capi_driver_stop,
@@ -287,7 +297,7 @@ static const struct file_operations proc_driver_ops = {
// ---------------------------------------------------------------------------
-void __init
+void __init
kcapi_proc_init(void)
{
proc_mkdir("capi", NULL);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-11 11:07:04 +0000