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isdn: capi: dead code removal 

The staging isdn drivers are gone, and CONFIG_BT_CMTP is now
the only user. This means a lot of the code in the subsystem
has no remaining callers and can be removed.

Change the capi user space front-end to be part of kernelcapi,
and the combined module to only be compiled if BT_CMTP is
also enabled, then remove the interfaces that have no remaining
callers.

As the notifier list and the capi_drivers list have no callers
outside of kcapi.c, the implementation gets much simpler.

Some definitions from the include/linux/*.h headers are only
needed internally and are moved to kcapi.h.

Acked-by: David Miller <davem@davemloft.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191210210455.3475361-2-arnd@arndb.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2019-12-10 21:59:16 +01:00 коммит произвёл Greg Kroah-Hartman
Родитель f10870b05d
Коммит f59aba2f75
14 изменённых файлов: 182 добавлений и 1609 удалений
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71
Documentation/isdn/interface_capi.rst
Просмотреть файл

@ -26,13 +26,6 @@ This standard is freely available from https://www.capi.org.
2. Driver and Device Registration
=================================
CAPI drivers optionally register themselves with Kernel CAPI by calling the
Kernel CAPI function register_capi_driver() with a pointer to a struct
capi_driver. This structure must be filled with the name and revision of the
driver, and optionally a pointer to a callback function, add_card(). The
registration can be revoked by calling the function unregister_capi_driver()
with a pointer to the same struct capi_driver.
CAPI drivers must register each of the ISDN devices they control with Kernel
CAPI by calling the Kernel CAPI function attach_capi_ctr() with a pointer to a
struct capi_ctr before they can be used. This structure must be filled with
@ -89,9 +82,6 @@ register_capi_driver():
the name of the driver, as a zero-terminated ASCII string
``char revision[32]``
the revision number of the driver, as a zero-terminated ASCII string
``int (*add_card)(struct capi_driver *driver, capicardparams *data)``
a callback function pointer (may be NULL)
4.2 struct capi_ctr
-------------------
@ -178,12 +168,6 @@ to be set by the driver before calling attach_capi_ctr():
pointer to a callback function returning the entry for the device in
the CAPI controller info table, /proc/capi/controller
``const struct file_operations *proc_fops``
pointers to callback functions for the device's proc file
system entry, /proc/capi/controllers/<n>; pointer to the device's
capi_ctr structure is available from struct proc_dir_entry::data
which is available from struct inode.
Note:
Callback functions except send_message() are never called in interrupt
context.
@ -267,25 +251,10 @@ _cmstruct alternative representation for CAPI parameters of type 'struct'
_cmsg structure members.
=========== =================================================================
Functions capi_cmsg2message() and capi_message2cmsg() are provided to convert
messages between their transport encoding described in the CAPI 2.0 standard
and their _cmsg structure representation. Note that capi_cmsg2message() does
not know or check the size of its destination buffer. The caller must make
sure it is big enough to accommodate the resulting CAPI message.
5. Lower Layer Interface Functions
==================================
(declared in <linux/isdn/capilli.h>)
::
void register_capi_driver(struct capi_driver *drvr)
void unregister_capi_driver(struct capi_driver *drvr)
register/unregister a driver with Kernel CAPI
::
int attach_capi_ctr(struct capi_ctr *ctrlr)
@ -300,13 +269,6 @@ register/unregister a device (controller) with Kernel CAPI
signal controller ready/not ready
::
void capi_ctr_suspend_output(struct capi_ctr *ctrlr)
void capi_ctr_resume_output(struct capi_ctr *ctrlr)
signal suspend/resume
::
void capi_ctr_handle_message(struct capi_ctr * ctrlr, u16 applid,
@ -319,21 +281,6 @@ for forwarding to the specified application
6. Helper Functions and Macros
==============================
Library functions (from <linux/isdn/capilli.h>):
::
void capilib_new_ncci(struct list_head *head, u16 applid,
u32 ncci, u32 winsize)
void capilib_free_ncci(struct list_head *head, u16 applid, u32 ncci)
void capilib_release_appl(struct list_head *head, u16 applid)
void capilib_release(struct list_head *head)
void capilib_data_b3_conf(struct list_head *head, u16 applid,
u32 ncci, u16 msgid)
u16 capilib_data_b3_req(struct list_head *head, u16 applid,
u32 ncci, u16 msgid)
Macros to extract/set element values from/in a CAPI message header
(from <linux/isdn/capiutil.h>):
@ -357,24 +304,6 @@ CAPIMSG_DATALEN(m) CAPIMSG_SETDATALEN(m, len) Data Length (u16)
Library functions for working with _cmsg structures
(from <linux/isdn/capiutil.h>):
``unsigned capi_cmsg2message(_cmsg *cmsg, u8 *msg)``
Assembles a CAPI 2.0 message from the parameters in ``*cmsg``,
storing the result in ``*msg``.
``unsigned capi_message2cmsg(_cmsg *cmsg, u8 *msg)``
Disassembles the CAPI 2.0 message in ``*msg``, storing the parameters
in ``*cmsg``.
``unsigned capi_cmsg_header(_cmsg *cmsg, u16 ApplId, u8 Command, u8 Subcommand, u16 Messagenumber, u32 Controller)``
Fills the header part and address field of the _cmsg structure ``*cmsg``
with the given values, zeroing the remainder of the structure so only
parameters with non-default values need to be changed before sending
the message.
``void capi_cmsg_answer(_cmsg *cmsg)``
Sets the low bit of the Subcommand field in ``*cmsg``, thereby
converting ``_REQ`` to ``_CONF`` and ``_IND`` to ``_RESP``.
``char *capi_cmd2str(u8 Command, u8 Subcommand)``
Returns the CAPI 2.0 message name corresponding to the given command
and subcommand values, as a static ASCII string. The return value may

2
drivers/isdn/Makefile
Просмотреть файл

@ -3,6 +3,6 @@
# Object files in subdirectories
obj-$(CONFIG_ISDN_CAPI) += capi/
obj-$(CONFIG_BT_CMTP) += capi/
obj-$(CONFIG_MISDN) += mISDN/
obj-$(CONFIG_ISDN) += hardware/

32
drivers/isdn/capi/Kconfig
Просмотреть файл

@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
menuconfig ISDN_CAPI
tristate "CAPI 2.0 subsystem"
config ISDN_CAPI
def_bool ISDN && BT
help
This provides CAPI (the Common ISDN Application Programming
Interface) Version 2.0, a standard making it easy for programs to
@ -15,42 +15,18 @@ menuconfig ISDN_CAPI
See CONFIG_BT_CMTP for the last remaining regular driver
in the kernel that uses the CAPI subsystem.
if ISDN_CAPI
config CAPI_TRACE
bool "CAPI trace support"
default y
def_bool BT_CMTP
help
If you say Y here, the kernelcapi driver can make verbose traces
of CAPI messages. This feature can be enabled/disabled via IOCTL for
every controller (default disabled).
This will increase the size of the kernelcapi module by 20 KB.
If unsure, say Y.
config ISDN_CAPI_CAPI20
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_MIDDLEWARE
bool "CAPI2.0 Middleware support"
depends on ISDN_CAPI_CAPI20 && TTY
def_bool BT_CMTP && TTY
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_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.
endif

18
drivers/isdn/capi/Makefile
Просмотреть файл

@ -1,17 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for the CAPI subsystem.
# Makefile for the CAPI subsystem used by BT_CMTP
# Ordering constraints: kernelcapi.o first
# Each configuration option enables a list of files.
obj-$(CONFIG_ISDN_CAPI) += kernelcapi.o
obj-$(CONFIG_ISDN_CAPI_CAPI20) += capi.o
obj-$(CONFIG_ISDN_CAPI_CAPIDRV) += capidrv.o
# Multipart objects.
kernelcapi-y := kcapi.o capiutil.o capilib.o
kernelcapi-$(CONFIG_PROC_FS) += kcapi_proc.o
ccflags-y += -I$(srctree)/$(src)/../include -I$(srctree)/$(src)/../include/uapi
obj-$(CONFIG_BT_CMTP) += kernelcapi.o
kernelcapi-y := kcapi.o capiutil.o capi.o kcapi_proc.o

14
drivers/isdn/capi/capi.c
Просмотреть файл

@ -39,7 +39,9 @@
#include <linux/isdn/capiutil.h>
#include <linux/isdn/capicmd.h>
MODULE_DESCRIPTION("CAPI4Linux: Userspace /dev/capi20 interface");
#include "kcapi.h"
MODULE_DESCRIPTION("CAPI4Linux: kernel CAPI layer and /dev/capi20 interface");
MODULE_AUTHOR("Carsten Paeth");
MODULE_LICENSE("GPL");
@ -1412,15 +1414,22 @@ static int __init capi_init(void)
{
const char *compileinfo;
int major_ret;
int ret;
ret = kcapi_init();
if (ret)
return ret;
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);
kcapi_exit();
return major_ret;
}
capi_class = class_create(THIS_MODULE, "capi");
if (IS_ERR(capi_class)) {
unregister_chrdev(capi_major, "capi20");
kcapi_exit();
return PTR_ERR(capi_class);
}
@ -1430,6 +1439,7 @@ static int __init capi_init(void)
device_destroy(capi_class, MKDEV(capi_major, 0));
class_destroy(capi_class);
unregister_chrdev(capi_major, "capi20");
kcapi_exit();
return -ENOMEM;
}
@ -1455,6 +1465,8 @@ static void __exit capi_exit(void)
unregister_chrdev(capi_major, "capi20");
capinc_tty_exit();
kcapi_exit();
}
module_init(capi_init);

202
drivers/isdn/capi/capilib.c
Просмотреть файл

@ -1,202 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
#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)
struct capilib_msgidqueue {
struct capilib_msgidqueue *next;
u16 msgid;
};
struct capilib_ncci {
struct list_head list;
u16 applid;
u32 ncci;
u32 winsize;
int nmsg;
struct capilib_msgidqueue *msgidqueue;
struct capilib_msgidqueue *msgidlast;
struct capilib_msgidqueue *msgidfree;
struct capilib_msgidqueue msgidpool[CAPI_MAXDATAWINDOW];
};
// ---------------------------------------------------------------------------
// NCCI Handling
static inline void mq_init(struct capilib_ncci *np)
{
u_int i;
np->msgidqueue = NULL;
np->msgidlast = NULL;
np->nmsg = 0;
memset(np->msgidpool, 0, sizeof(np->msgidpool));
np->msgidfree = &np->msgidpool[0];
for (i = 1; i < np->winsize; i++) {
np->msgidpool[i].next = np->msgidfree;
np->msgidfree = &np->msgidpool[i];
}
}
static inline int mq_enqueue(struct capilib_ncci *np, u16 msgid)
{
struct capilib_msgidqueue *mq;
if ((mq = np->msgidfree) == NULL)
return 0;
np->msgidfree = mq->next;
mq->msgid = msgid;
mq->next = NULL;
if (np->msgidlast)
np->msgidlast->next = mq;
np->msgidlast = mq;
if (!np->msgidqueue)
np->msgidqueue = mq;
np->nmsg++;
return 1;
}
static inline int mq_dequeue(struct capilib_ncci *np, u16 msgid)
{
struct capilib_msgidqueue **pp;
for (pp = &np->msgidqueue; *pp; pp = &(*pp)->next) {
if ((*pp)->msgid == msgid) {
struct capilib_msgidqueue *mq = *pp;
*pp = mq->next;
if (mq == np->msgidlast)
np->msgidlast = NULL;
mq->next = np->msgidfree;
np->msgidfree = mq;
np->nmsg--;
return 1;
}
}
return 0;
}
void capilib_new_ncci(struct list_head *head, u16 applid, u32 ncci, u32 winsize)
{
struct capilib_ncci *np;
np = kmalloc(sizeof(*np), GFP_ATOMIC);
if (!np) {
printk(KERN_WARNING "capilib_new_ncci: no memory.\n");
return;
}
if (winsize > CAPI_MAXDATAWINDOW) {
printk(KERN_ERR "capi_new_ncci: winsize %d too big\n",
winsize);
winsize = CAPI_MAXDATAWINDOW;
}
np->applid = applid;
np->ncci = ncci;
np->winsize = winsize;
mq_init(np);
list_add_tail(&np->list, head);
DBG("kcapi: appl %d ncci 0x%x up", applid, ncci);
}
EXPORT_SYMBOL(capilib_new_ncci);
void capilib_free_ncci(struct list_head *head, u16 applid, u32 ncci)
{
struct list_head *l;
struct capilib_ncci *np;
list_for_each(l, head) {
np = list_entry(l, struct capilib_ncci, list);
if (np->applid != applid)
continue;
if (np->ncci != ncci)
continue;
printk(KERN_INFO "kcapi: appl %d ncci 0x%x down\n", applid, ncci);
list_del(&np->list);
kfree(np);
return;
}
printk(KERN_ERR "capilib_free_ncci: ncci 0x%x not found\n", ncci);
}
EXPORT_SYMBOL(capilib_free_ncci);
void capilib_release_appl(struct list_head *head, u16 applid)
{
struct list_head *l, *n;
struct capilib_ncci *np;
list_for_each_safe(l, n, head) {
np = list_entry(l, struct capilib_ncci, list);
if (np->applid != applid)
continue;
printk(KERN_INFO "kcapi: appl %d ncci 0x%x forced down\n", applid, np->ncci);
list_del(&np->list);
kfree(np);
}
}
EXPORT_SYMBOL(capilib_release_appl);
void capilib_release(struct list_head *head)
{
struct list_head *l, *n;
struct capilib_ncci *np;
list_for_each_safe(l, n, head) {
np = list_entry(l, struct capilib_ncci, list);
printk(KERN_INFO "kcapi: appl %d ncci 0x%x forced down\n", np->applid, np->ncci);
list_del(&np->list);
kfree(np);
}
}
EXPORT_SYMBOL(capilib_release);
u16 capilib_data_b3_req(struct list_head *head, u16 applid, u32 ncci, u16 msgid)
{
struct list_head *l;
struct capilib_ncci *np;
list_for_each(l, head) {
np = list_entry(l, struct capilib_ncci, list);
if (np->applid != applid)
continue;
if (np->ncci != ncci)
continue;
if (mq_enqueue(np, msgid) == 0)
return CAPI_SENDQUEUEFULL;
return CAPI_NOERROR;
}
printk(KERN_ERR "capilib_data_b3_req: ncci 0x%x not found\n", ncci);
return CAPI_NOERROR;
}
EXPORT_SYMBOL(capilib_data_b3_req);
void capilib_data_b3_conf(struct list_head *head, u16 applid, u32 ncci, u16 msgid)
{
struct list_head *l;
struct capilib_ncci *np;
list_for_each(l, head) {
np = list_entry(l, struct capilib_ncci, list);
if (np->applid != applid)
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);
}
return;
}
printk(KERN_ERR "capilib_data_b3_conf: ncci 0x%x not found\n", ncci);
}
EXPORT_SYMBOL(capilib_data_b3_conf);

231
drivers/isdn/capi/capiutil.c
Просмотреть файл

@ -20,6 +20,8 @@
#include <linux/isdn/capiutil.h>
#include <linux/slab.h>
#include "kcapi.h"
/* from CAPI2.0 DDK AVM Berlin GmbH */
typedef struct {
@ -245,190 +247,6 @@ static void jumpcstruct(_cmsg *cmsg)
}
}
}
/*-------------------------------------------------------*/
static void pars_2_message(_cmsg *cmsg)
{
for (; TYP != _CEND; cmsg->p++) {
switch (TYP) {
case _CBYTE:
byteTLcpy(cmsg->m + cmsg->l, OFF);
cmsg->l++;
break;
case _CWORD:
wordTLcpy(cmsg->m + cmsg->l, OFF);
cmsg->l += 2;
break;
case _CDWORD:
dwordTLcpy(cmsg->m + cmsg->l, OFF);
cmsg->l += 4;
break;
case _CSTRUCT:
if (*(u8 **) OFF == NULL) {
*(cmsg->m + cmsg->l) = '\0';
cmsg->l++;
} else if (**(_cstruct *) OFF != 0xff) {
structTLcpy(cmsg->m + cmsg->l, *(_cstruct *) OFF, 1 + **(_cstruct *) OFF);
cmsg->l += 1 + **(_cstruct *) OFF;
} else {
_cstruct s = *(_cstruct *) OFF;
structTLcpy(cmsg->m + cmsg->l, s, 3 + *(u16 *) (s + 1));
cmsg->l += 3 + *(u16 *) (s + 1);
}
break;
case _CMSTRUCT:
/*----- Metastruktur 0 -----*/
if (*(_cmstruct *) OFF == CAPI_DEFAULT) {
*(cmsg->m + cmsg->l) = '\0';
cmsg->l++;
jumpcstruct(cmsg);
}
/*----- Metastruktur wird composed -----*/
else {
unsigned _l = cmsg->l;
unsigned _ls;
cmsg->l++;
cmsg->p++;
pars_2_message(cmsg);
_ls = cmsg->l - _l - 1;
if (_ls < 255)
(cmsg->m + _l)[0] = (u8) _ls;
else {
structTLcpyovl(cmsg->m + _l + 3, cmsg->m + _l + 1, _ls);
(cmsg->m + _l)[0] = 0xff;
wordTLcpy(cmsg->m + _l + 1, &_ls);
}
}
break;
}
}
}
/**
* 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;
cmsg->p = 0;
cmsg->par = capi_cmd2par(cmsg->Command, cmsg->Subcommand);
if (!cmsg->par)
return 1; /* invalid command/subcommand */
pars_2_message(cmsg);
wordTLcpy(msg + 0, &cmsg->l);
byteTLcpy(cmsg->m + 4, &cmsg->Command);
byteTLcpy(cmsg->m + 5, &cmsg->Subcommand);
wordTLcpy(cmsg->m + 2, &cmsg->ApplId);
wordTLcpy(cmsg->m + 6, &cmsg->Messagenumber);
return 0;
}
/*-------------------------------------------------------*/
static void message_2_pars(_cmsg *cmsg)
{
for (; TYP != _CEND; cmsg->p++) {
switch (TYP) {
case _CBYTE:
byteTRcpy(cmsg->m + cmsg->l, OFF);
cmsg->l++;
break;
case _CWORD:
wordTRcpy(cmsg->m + cmsg->l, OFF);
cmsg->l += 2;
break;
case _CDWORD:
dwordTRcpy(cmsg->m + cmsg->l, OFF);
cmsg->l += 4;
break;
case _CSTRUCT:
*(u8 **) OFF = cmsg->m + cmsg->l;
if (cmsg->m[cmsg->l] != 0xff)
cmsg->l += 1 + cmsg->m[cmsg->l];
else
cmsg->l += 3 + *(u16 *) (cmsg->m + cmsg->l + 1);
break;
case _CMSTRUCT:
/*----- Metastruktur 0 -----*/
if (cmsg->m[cmsg->l] == '\0') {
*(_cmstruct *) OFF = CAPI_DEFAULT;
cmsg->l++;
jumpcstruct(cmsg);
} else {
unsigned _l = cmsg->l;
*(_cmstruct *) OFF = CAPI_COMPOSE;
cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
cmsg->p++;
message_2_pars(cmsg);
}
break;
}
}
}
/**
* 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;
cmsg->l = 8;
cmsg->p = 0;
byteTRcpy(cmsg->m + 4, &cmsg->Command);
byteTRcpy(cmsg->m + 5, &cmsg->Subcommand);
cmsg->par = capi_cmd2par(cmsg->Command, cmsg->Subcommand);
if (!cmsg->par)
return 1; /* invalid command/subcommand */
message_2_pars(cmsg);
wordTRcpy(msg + 0, &cmsg->l);
wordTRcpy(cmsg->m + 2, &cmsg->ApplId);
wordTRcpy(cmsg->m + 6, &cmsg->Messagenumber);
return 0;
}
/**
* 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)
{
memset(cmsg, 0, sizeof(_cmsg));
cmsg->ApplId = _ApplId;
cmsg->Command = _Command;
cmsg->Subcommand = _Subcommand;
cmsg->Messagenumber = _Messagenumber;
cmsg->adr.adrController = _Controller;
return 0;
}
/*-------------------------------------------------------*/
@ -561,8 +379,6 @@ static char *pnames[] =
/*2f */ "Useruserdata"
};
#include <stdarg.h>
/*-------------------------------------------------------*/
@ -800,37 +616,6 @@ _cdebbuf *capi_message2str(u8 *msg)
return cdb;
}
/**
* 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",
capi_cmd2str(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);
@ -854,7 +639,7 @@ int __init cdebug_init(void)
return 0;
}
void __exit cdebug_exit(void)
void cdebug_exit(void)
{
if (g_debbuf)
kfree(g_debbuf->buf);
@ -885,16 +670,8 @@ int __init cdebug_init(void)
return 0;
}
void __exit cdebug_exit(void)
void cdebug_exit(void)
{
}
#endif
EXPORT_SYMBOL(cdebbuf_free);
EXPORT_SYMBOL(capi_cmsg2message);
EXPORT_SYMBOL(capi_message2cmsg);
EXPORT_SYMBOL(capi_cmsg_header);
EXPORT_SYMBOL(capi_cmd2str);
EXPORT_SYMBOL(capi_cmsg2str);
EXPORT_SYMBOL(capi_message2str);

415
drivers/isdn/capi/kcapi.c
Просмотреть файл

@ -10,8 +10,6 @@
*
*/
#define AVMB1_COMPAT
#include "kcapi.h"
#include <linux/module.h>
#include <linux/mm.h>
@ -31,18 +29,12 @@
#include <linux/uaccess.h>
#include <linux/isdn/capicmd.h>
#include <linux/isdn/capiutil.h>
#ifdef AVMB1_COMPAT
#include <linux/b1lli.h>
#endif
#include <linux/mutex.h>
#include <linux/rcupdate.h>
static int showcapimsgs = 0;
static struct workqueue_struct *kcapi_wq;
MODULE_DESCRIPTION("CAPI4Linux: kernel CAPI layer");
MODULE_AUTHOR("Carsten Paeth");
MODULE_LICENSE("GPL");
module_param(showcapimsgs, uint, 0);
/* ------------------------------------------------------------- */
@ -61,9 +53,6 @@ static char capi_manufakturer[64] = "AVM Berlin";
#define NCCI2CTRL(ncci) (((ncci) >> 24) & 0x7f)
LIST_HEAD(capi_drivers);
DEFINE_MUTEX(capi_drivers_lock);
struct capi_ctr *capi_controller[CAPI_MAXCONTR];
DEFINE_MUTEX(capi_controller_lock);
@ -71,8 +60,6 @@ struct capi20_appl *capi_applications[CAPI_MAXAPPL];
static int ncontrollers;
static BLOCKING_NOTIFIER_HEAD(ctr_notifier_list);
/* -------- controller ref counting -------------------------------------- */
static inline struct capi_ctr *
@ -200,8 +187,6 @@ static void notify_up(u32 contr)
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);
@ -229,8 +214,6 @@ static void ctr_down(struct capi_ctr *ctr, int new_state)
if (ap)
capi_ctr_put(ctr);
}
wake_up_interruptible_all(&ctr->state_wait_queue);
}
static void notify_down(u32 contr)
@ -251,36 +234,23 @@ static void notify_down(u32 contr)
mutex_unlock(&capi_controller_lock);
}
static int
notify_handler(struct notifier_block *nb, unsigned long val, void *v)
{
u32 contr = (long)v;
switch (val) {
case CAPICTR_UP:
notify_up(contr);
break;
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);
blocking_notifier_call_chain(&ctr_notifier_list, event->type,
(void *)(long)event->controller);
switch (event->type) {
case CAPICTR_UP:
notify_up(event->controller);
break;
case CAPICTR_DOWN:
notify_down(event->controller);
break;
}
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 event_type, u32 controller)
{
struct capictr_event *event = kmalloc(sizeof(*event), GFP_ATOMIC);
@ -296,18 +266,6 @@ static int notify_push(unsigned int event_type, u32 controller)
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)
@ -454,48 +412,6 @@ void capi_ctr_down(struct capi_ctr *ctr)
EXPORT_SYMBOL(capi_ctr_down);
/**
* 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 (!ctr->blocked) {
printk(KERN_DEBUG "kcapi: controller [%03d] suspend\n",
ctr->cnr);
ctr->blocked = 1;
}
}
EXPORT_SYMBOL(capi_ctr_suspend_output);
/**
* 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 (ctr->blocked) {
printk(KERN_DEBUG "kcapi: controller [%03d] resumed\n",
ctr->cnr);
ctr->blocked = 0;
}
}
EXPORT_SYMBOL(capi_ctr_resume_output);
/* ------------------------------------------------------------- */
/**
@ -531,7 +447,6 @@ int attach_capi_ctr(struct capi_ctr *ctr)
ctr->state = CAPI_CTR_DETECTED;
ctr->blocked = 0;
ctr->traceflag = showcapimsgs;
init_waitqueue_head(&ctr->state_wait_queue);
sprintf(ctr->procfn, "capi/controllers/%d", ctr->cnr);
ctr->procent = proc_create_single_data(ctr->procfn, 0, NULL,
@ -586,38 +501,6 @@ unlock_out:
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)
{
mutex_lock(&capi_drivers_lock);
list_add_tail(&driver->list, &capi_drivers);
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)
{
mutex_lock(&capi_drivers_lock);
list_del(&driver->list);
mutex_unlock(&capi_drivers_lock);
}
EXPORT_SYMBOL(unregister_capi_driver);
/* ------------------------------------------------------------- */
/* -------- CAPI2.0 Interface ---------------------------------- */
/* ------------------------------------------------------------- */
@ -648,8 +531,6 @@ u16 capi20_isinstalled(void)
return ret;
}
EXPORT_SYMBOL(capi20_isinstalled);
/**
* capi20_register() - CAPI 2.0 operation CAPI_REGISTER
* @ap: CAPI application descriptor structure.
@ -711,8 +592,6 @@ u16 capi20_register(struct capi20_appl *ap)
return CAPI_NOERROR;
}
EXPORT_SYMBOL(capi20_register);
/**
* capi20_release() - CAPI 2.0 operation CAPI_RELEASE
* @ap: CAPI application descriptor structure.
@ -755,8 +634,6 @@ u16 capi20_release(struct capi20_appl *ap)
return CAPI_NOERROR;
}
EXPORT_SYMBOL(capi20_release);
/**
* capi20_put_message() - CAPI 2.0 operation CAPI_PUT_MESSAGE
* @ap: CAPI application descriptor structure.
@ -834,8 +711,6 @@ u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *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.
@ -869,8 +744,6 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf)
return ret;
}
EXPORT_SYMBOL(capi20_get_manufacturer);
/**
* capi20_get_version() - CAPI 2.0 operation CAPI_GET_VERSION
* @contr: controller number.
@ -904,8 +777,6 @@ u16 capi20_get_version(u32 contr, struct capi_version *verp)
return ret;
}
EXPORT_SYMBOL(capi20_get_version);
/**
* capi20_get_serial() - CAPI 2.0 operation CAPI_GET_SERIAL_NUMBER
* @contr: controller number.
@ -939,8 +810,6 @@ u16 capi20_get_serial(u32 contr, u8 *serial)
return ret;
}
EXPORT_SYMBOL(capi20_get_serial);
/**
* capi20_get_profile() - CAPI 2.0 operation CAPI_GET_PROFILE
* @contr: controller number.
@ -974,209 +843,6 @@ u16 capi20_get_profile(u32 contr, struct capi_profile *profp)
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)
{
avmb1_loadandconfigdef ldef;
avmb1_extcarddef cdef;
avmb1_resetdef rdef;
capicardparams cparams;
struct capi_ctr *ctr;
struct capi_driver *driver = NULL;
capiloaddata ldata;
struct list_head *l;
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 -EFAULT;
cdef.cardtype = AVM_CARDTYPE_B1;
cdef.cardnr = 0;
} else {
if ((retval = copy_from_user(&cdef, data,
sizeof(avmb1_extcarddef))))
return -EFAULT;
}
cparams.port = cdef.port;
cparams.irq = cdef.irq;
cparams.cardnr = cdef.cardnr;
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) {
printk(KERN_ERR "kcapi: driver not loaded.\n");
retval = -EIO;
} else if (!driver->add_card) {
printk(KERN_ERR "kcapi: driver has no add card function.\n");
retval = -EIO;
} else
retval = driver->add_card(driver, &cparams);
mutex_unlock(&capi_drivers_lock);
return retval;
case AVMB1_LOAD:
case AVMB1_LOAD_AND_CONFIG:
if (cmd == AVMB1_LOAD) {
if (copy_from_user(&ldef, data,
sizeof(avmb1_loaddef)))
return -EFAULT;
ldef.t4config.len = 0;
ldef.t4config.data = NULL;
} else {
if (copy_from_user(&ldef, data,
sizeof(avmb1_loadandconfigdef)))
return -EFAULT;
}
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");
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);
retval = -EINVAL;
goto load_unlock_out;
}
if (ldef.t4file.data == NULL) {
printk(KERN_DEBUG "kcapi: load: invalid parameter: dataptr is 0\n");
retval = -EINVAL;
goto load_unlock_out;
}
ldata.firmware.user = 1;
ldata.firmware.data = ldef.t4file.data;
ldata.firmware.len = ldef.t4file.len;
ldata.configuration.user = 1;
ldata.configuration.data = ldef.t4config.data;
ldata.configuration.len = ldef.t4config.len;
if (ctr->state != CAPI_CTR_DETECTED) {
printk(KERN_INFO "kcapi: load: contr=%d not in detect state\n", ldef.contr);
retval = -EBUSY;
goto load_unlock_out;
}
ctr->state = CAPI_CTR_LOADING;
retval = ctr->load_firmware(ctr, &ldata);
if (retval) {
ctr->state = CAPI_CTR_DETECTED;
goto load_unlock_out;
}
retval = wait_on_ctr_state(ctr, CAPI_CTR_RUNNING);
load_unlock_out:
mutex_unlock(&capi_controller_lock);
return retval;
case AVMB1_RESETCARD:
if (copy_from_user(&rdef, data, sizeof(avmb1_resetdef)))
return -EFAULT;
retval = 0;
mutex_lock(&capi_controller_lock);
ctr = get_capi_ctr_by_nr(rdef.contr);
if (!ctr) {
retval = -ESRCH;
goto reset_unlock_out;
}
if (ctr->state == CAPI_CTR_DETECTED)
goto reset_unlock_out;
if (ctr->reset_ctr == NULL) {
printk(KERN_DEBUG "kcapi: reset: no reset function\n");
retval = -ESRCH;
goto reset_unlock_out;
}
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.
@ -1192,14 +858,6 @@ int capi20_manufacturer(unsigned long cmd, void __user *data)
int retval;
switch (cmd) {
#ifdef AVMB1_COMPAT
case AVMB1_LOAD:
case AVMB1_LOAD_AND_CONFIG:
case AVMB1_RESETCARD:
case AVMB1_GET_CARDINFO:
case AVMB1_REMOVECARD:
return old_capi_manufacturer(cmd, data);
#endif
case KCAPI_CMD_TRACE:
{
kcapi_flagdef fdef;
@ -1222,43 +880,6 @@ int capi20_manufacturer(unsigned long cmd, void __user *data)
return retval;
}
case KCAPI_CMD_ADDCARD:
{
struct list_head *l;
struct capi_driver *driver = NULL;
capicardparams cparams;
kcapi_carddef cdef;
if ((retval = copy_from_user(&cdef, data, sizeof(cdef))))
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;
mutex_lock(&capi_drivers_lock);
list_for_each(l, &capi_drivers) {
driver = list_entry(l, struct capi_driver, list);
if (strcmp(driver->name, cdef.driver) == 0)
break;
}
if (driver == NULL) {
printk(KERN_ERR "kcapi: driver \"%s\" not loaded.\n",
cdef.driver);
retval = -ESRCH;
} else if (!driver->add_card) {
printk(KERN_ERR "kcapi: driver \"%s\" has no add card function.\n", cdef.driver);
retval = -EIO;
} else
retval = driver->add_card(driver, &cparams);
mutex_unlock(&capi_drivers_lock);
return retval;
}
default:
printk(KERN_ERR "kcapi: manufacturer command %lu unknown.\n",
@ -1269,8 +890,6 @@ int capi20_manufacturer(unsigned long cmd, void __user *data)
return -EINVAL;
}
EXPORT_SYMBOL(capi20_manufacturer);
/* ------------------------------------------------------------- */
/* -------- Init & Cleanup ------------------------------------- */
/* ------------------------------------------------------------- */
@ -1279,12 +898,7 @@ EXPORT_SYMBOL(capi20_manufacturer);
* init / exit functions
*/
static struct notifier_block capictr_nb = {
.notifier_call = notify_handler,
.priority = INT_MAX,
};
static int __init kcapi_init(void)
int __init kcapi_init(void)
{
int err;
@ -1292,11 +906,8 @@ static int __init kcapi_init(void)
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;
}
@ -1305,14 +916,10 @@ static int __init kcapi_init(void)
return 0;
}
static void __exit kcapi_exit(void)
void kcapi_exit(void)
{
kcapi_proc_exit();
unregister_capictr_notifier(&capictr_nb);
cdebug_exit();
destroy_workqueue(kcapi_wq);
}
module_init(kcapi_init);
module_exit(kcapi_exit);

149
drivers/isdn/capi/kcapi.h
Просмотреть файл

@ -30,22 +30,153 @@ enum {
CAPI_CTR_RUNNING = 3,
};
extern struct list_head capi_drivers;
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];
#ifdef CONFIG_PROC_FS
void kcapi_proc_init(void);
void kcapi_proc_exit(void);
#else
struct capi20_appl {
u16 applid;
capi_register_params rparam;
void (*recv_message)(struct capi20_appl *ap, struct sk_buff *skb);
void *private;
static inline void kcapi_proc_init(void) { };
static inline void kcapi_proc_exit(void) { };
/* internal to kernelcapi.o */
unsigned long nrecvctlpkt;
unsigned long nrecvdatapkt;
unsigned long nsentctlpkt;
unsigned long nsentdatapkt;
struct mutex recv_mtx;
struct sk_buff_head recv_queue;
struct work_struct recv_work;
int release_in_progress;
};
#endif
u16 capi20_isinstalled(void);
u16 capi20_register(struct capi20_appl *ap);
u16 capi20_release(struct capi20_appl *ap);
u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb);
u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]);
u16 capi20_get_version(u32 contr, struct capi_version *verp);
u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN]);
u16 capi20_get_profile(u32 contr, struct capi_profile *profp);
int capi20_manufacturer(unsigned long cmd, void __user *data);
#define CAPICTR_UP 0
#define CAPICTR_DOWN 1
int kcapi_init(void);
void kcapi_exit(void);
/*----- basic-type definitions -----*/
typedef __u8 *_cstruct;
typedef enum {
CAPI_COMPOSE,
CAPI_DEFAULT
} _cmstruct;
/*
The _cmsg structure contains all possible CAPI 2.0 parameter.
All parameters are stored here first. The function CAPI_CMSG_2_MESSAGE
assembles the parameter and builds CAPI2.0 conform messages.
CAPI_MESSAGE_2_CMSG disassembles CAPI 2.0 messages and stores the
parameter in the _cmsg structure
*/
typedef struct {
/* Header */
__u16 ApplId;
__u8 Command;
__u8 Subcommand;
__u16 Messagenumber;
/* Parameter */
union {
__u32 adrController;
__u32 adrPLCI;
__u32 adrNCCI;
} adr;
_cmstruct AdditionalInfo;
_cstruct B1configuration;
__u16 B1protocol;
_cstruct B2configuration;
__u16 B2protocol;
_cstruct B3configuration;
__u16 B3protocol;
_cstruct BC;
_cstruct BChannelinformation;
_cmstruct BProtocol;
_cstruct CalledPartyNumber;
_cstruct CalledPartySubaddress;
_cstruct CallingPartyNumber;
_cstruct CallingPartySubaddress;
__u32 CIPmask;
__u32 CIPmask2;
__u16 CIPValue;
__u32 Class;
_cstruct ConnectedNumber;
_cstruct ConnectedSubaddress;
__u32 Data;
__u16 DataHandle;
__u16 DataLength;
_cstruct FacilityConfirmationParameter;
_cstruct Facilitydataarray;
_cstruct FacilityIndicationParameter;
_cstruct FacilityRequestParameter;
__u16 FacilitySelector;
__u16 Flags;
__u32 Function;
_cstruct HLC;
__u16 Info;
_cstruct InfoElement;
__u32 InfoMask;
__u16 InfoNumber;
_cstruct Keypadfacility;
_cstruct LLC;
_cstruct ManuData;
__u32 ManuID;
_cstruct NCPI;
__u16 Reason;
__u16 Reason_B3;
__u16 Reject;
_cstruct Useruserdata;
/* intern */
unsigned l, p;
unsigned char *par;
__u8 *m;
/* buffer to construct message */
__u8 buf[180];
} _cmsg;
/*-----------------------------------------------------------------------*/
/*
* Debugging / Tracing functions
*/
char *capi_cmd2str(__u8 cmd, __u8 subcmd);
typedef struct {
u_char *buf;
u_char *p;
size_t size;
size_t pos;
} _cdebbuf;
#define CDEBUG_SIZE 1024
#define CDEBUG_GSIZE 4096
void cdebbuf_free(_cdebbuf *cdb);
int cdebug_init(void);
void cdebug_exit(void);
_cdebbuf *capi_message2str(__u8 *msg);

34
drivers/isdn/capi/kcapi_proc.c
Просмотреть файл

@ -192,37 +192,15 @@ static const struct seq_operations seq_applstats_ops = {
// ---------------------------------------------------------------------------
static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
__acquires(&capi_drivers_lock)
/* /proc/capi/drivers is always empty */
static ssize_t empty_read(struct file *file, char __user *buf,
size_t size, loff_t *off)
{
mutex_lock(&capi_drivers_lock);
return seq_list_start(&capi_drivers, *pos);
}
static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
{
return seq_list_next(v, &capi_drivers, pos);
}
static void capi_driver_stop(struct seq_file *seq, void *v)
__releases(&capi_drivers_lock)
{
mutex_unlock(&capi_drivers_lock);
}
static int capi_driver_show(struct seq_file *seq, void *v)
{
struct capi_driver *drv = list_entry(v, struct capi_driver, list);
seq_printf(seq, "%-32s %s\n", drv->name, drv->revision);
return 0;
}
static const struct seq_operations seq_capi_driver_ops = {
.start = capi_driver_start,
.next = capi_driver_next,
.stop = capi_driver_stop,
.show = capi_driver_show,
static const struct file_operations empty_fops = {
.read = empty_read,
};
// ---------------------------------------------------------------------------
@ -236,7 +214,7 @@ kcapi_proc_init(void)
proc_create_seq("capi/contrstats", 0, NULL, &seq_contrstats_ops);
proc_create_seq("capi/applications", 0, NULL, &seq_applications_ops);
proc_create_seq("capi/applstats", 0, NULL, &seq_applstats_ops);
proc_create_seq("capi/driver", 0, NULL, &seq_capi_driver_ops);
proc_create("capi/driver", 0, NULL, &empty_fops);
}
void __exit

18
include/linux/isdn/capilli.h
Просмотреть файл

@ -69,7 +69,6 @@ struct capi_ctr {
unsigned short state; /* controller state */
int blocked; /* output blocked */
int traceflag; /* capi trace */
wait_queue_head_t state_wait_queue;
struct proc_dir_entry *procent;
char procfn[128];
@ -80,8 +79,6 @@ int detach_capi_ctr(struct capi_ctr *);
void capi_ctr_ready(struct capi_ctr * card);
void capi_ctr_down(struct capi_ctr * card);
void capi_ctr_suspend_output(struct capi_ctr * card);
void capi_ctr_resume_output(struct capi_ctr * card);
void capi_ctr_handle_message(struct capi_ctr * card, u16 appl, struct sk_buff *skb);
// ---------------------------------------------------------------------------
@ -91,23 +88,8 @@ struct capi_driver {
char name[32]; /* driver name */
char revision[32];
int (*add_card)(struct capi_driver *driver, capicardparams *data);
/* management information for kcapi */
struct list_head list;
};
void register_capi_driver(struct capi_driver *driver);
void unregister_capi_driver(struct capi_driver *driver);
// ---------------------------------------------------------------------------
// library functions for use by hardware controller drivers
void capilib_new_ncci(struct list_head *head, u16 applid, u32 ncci, u32 winsize);
void capilib_free_ncci(struct list_head *head, u16 applid, u32 ncci);
void capilib_release_appl(struct list_head *head, u16 applid);
void capilib_release(struct list_head *head);
void capilib_data_b3_conf(struct list_head *head, u16 applid, u32 ncci, u16 msgid);
u16 capilib_data_b3_req(struct list_head *head, u16 applid, u32 ncci, u16 msgid);
#endif /* __CAPILLI_H__ */

456
include/linux/isdn/capiutil.h
Просмотреть файл

@ -57,460 +57,4 @@ static inline void capimsg_setu32(void *m, int off, __u32 val)
#define CAPIMSG_SETCONTROL(m, contr) capimsg_setu32(m, 8, contr)
#define CAPIMSG_SETDATALEN(m, len) capimsg_setu16(m, 16, len)
/*----- basic-type definitions -----*/
typedef __u8 *_cstruct;
typedef enum {
CAPI_COMPOSE,
CAPI_DEFAULT
} _cmstruct;
/*
The _cmsg structure contains all possible CAPI 2.0 parameter.
All parameters are stored here first. The function CAPI_CMSG_2_MESSAGE
assembles the parameter and builds CAPI2.0 conform messages.
CAPI_MESSAGE_2_CMSG disassembles CAPI 2.0 messages and stores the
parameter in the _cmsg structure
*/
typedef struct {
/* Header */
__u16 ApplId;
__u8 Command;
__u8 Subcommand;
__u16 Messagenumber;
/* Parameter */
union {
__u32 adrController;
__u32 adrPLCI;
__u32 adrNCCI;
} adr;
_cmstruct AdditionalInfo;
_cstruct B1configuration;
__u16 B1protocol;
_cstruct B2configuration;
__u16 B2protocol;
_cstruct B3configuration;
__u16 B3protocol;
_cstruct BC;
_cstruct BChannelinformation;
_cmstruct BProtocol;
_cstruct CalledPartyNumber;
_cstruct CalledPartySubaddress;
_cstruct CallingPartyNumber;
_cstruct CallingPartySubaddress;
__u32 CIPmask;
__u32 CIPmask2;
__u16 CIPValue;
__u32 Class;
_cstruct ConnectedNumber;
_cstruct ConnectedSubaddress;
__u32 Data;
__u16 DataHandle;
__u16 DataLength;
_cstruct FacilityConfirmationParameter;
_cstruct Facilitydataarray;
_cstruct FacilityIndicationParameter;
_cstruct FacilityRequestParameter;
__u16 FacilitySelector;
__u16 Flags;
__u32 Function;
_cstruct HLC;
__u16 Info;
_cstruct InfoElement;
__u32 InfoMask;
__u16 InfoNumber;
_cstruct Keypadfacility;
_cstruct LLC;
_cstruct ManuData;
__u32 ManuID;
_cstruct NCPI;
__u16 Reason;
__u16 Reason_B3;
__u16 Reject;
_cstruct Useruserdata;
/* intern */
unsigned l, p;
unsigned char *par;
__u8 *m;
/* buffer to construct message */
__u8 buf[180];
} _cmsg;
/*
* capi_cmsg2message() assembles the parameter from _cmsg to a CAPI 2.0
* conform message
*/
unsigned capi_cmsg2message(_cmsg * cmsg, __u8 * msg);
/*
* capi_message2cmsg disassembles a CAPI message an writes the parameter
* into _cmsg for easy access
*/
unsigned capi_message2cmsg(_cmsg * cmsg, __u8 * msg);
/*
* capi_cmsg_header() fills the _cmsg structure with default values, so only
* parameter with non default values must be changed before sending the
* message.
*/
unsigned capi_cmsg_header(_cmsg * cmsg, __u16 _ApplId,
__u8 _Command, __u8 _Subcommand,
__u16 _Messagenumber, __u32 _Controller);
/*-----------------------------------------------------------------------*/
/*
* Debugging / Tracing functions
*/
char *capi_cmd2str(__u8 cmd, __u8 subcmd);
typedef struct {
u_char *buf;
u_char *p;
size_t size;
size_t pos;
} _cdebbuf;
#define CDEBUG_SIZE 1024
#define CDEBUG_GSIZE 4096
void cdebbuf_free(_cdebbuf *cdb);
int cdebug_init(void);
void cdebug_exit(void);
_cdebbuf *capi_cmsg2str(_cmsg *cmsg);
_cdebbuf *capi_message2str(__u8 *msg);
/*-----------------------------------------------------------------------*/
static inline void capi_cmsg_answer(_cmsg * cmsg)
{
cmsg->Subcommand |= 0x01;
}
/*-----------------------------------------------------------------------*/
static inline void capi_fill_CONNECT_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
_cstruct NCPI)
{
capi_cmsg_header(cmsg, ApplId, 0x82, 0x80, Messagenumber, adr);
cmsg->NCPI = NCPI;
}
static inline void capi_fill_FACILITY_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u16 FacilitySelector,
_cstruct FacilityRequestParameter)
{
capi_cmsg_header(cmsg, ApplId, 0x80, 0x80, Messagenumber, adr);
cmsg->FacilitySelector = FacilitySelector;
cmsg->FacilityRequestParameter = FacilityRequestParameter;
}
static inline void capi_fill_INFO_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
_cstruct CalledPartyNumber,
_cstruct BChannelinformation,
_cstruct Keypadfacility,
_cstruct Useruserdata,
_cstruct Facilitydataarray)
{
capi_cmsg_header(cmsg, ApplId, 0x08, 0x80, Messagenumber, adr);
cmsg->CalledPartyNumber = CalledPartyNumber;
cmsg->BChannelinformation = BChannelinformation;
cmsg->Keypadfacility = Keypadfacility;
cmsg->Useruserdata = Useruserdata;
cmsg->Facilitydataarray = Facilitydataarray;
}
static inline void capi_fill_LISTEN_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u32 InfoMask,
__u32 CIPmask,
__u32 CIPmask2,
_cstruct CallingPartyNumber,
_cstruct CallingPartySubaddress)
{
capi_cmsg_header(cmsg, ApplId, 0x05, 0x80, Messagenumber, adr);
cmsg->InfoMask = InfoMask;
cmsg->CIPmask = CIPmask;
cmsg->CIPmask2 = CIPmask2;
cmsg->CallingPartyNumber = CallingPartyNumber;
cmsg->CallingPartySubaddress = CallingPartySubaddress;
}
static inline void capi_fill_ALERT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
_cstruct BChannelinformation,
_cstruct Keypadfacility,
_cstruct Useruserdata,
_cstruct Facilitydataarray)
{
capi_cmsg_header(cmsg, ApplId, 0x01, 0x80, Messagenumber, adr);
cmsg->BChannelinformation = BChannelinformation;
cmsg->Keypadfacility = Keypadfacility;
cmsg->Useruserdata = Useruserdata;
cmsg->Facilitydataarray = Facilitydataarray;
}
static inline void capi_fill_CONNECT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u16 CIPValue,
_cstruct CalledPartyNumber,
_cstruct CallingPartyNumber,
_cstruct CalledPartySubaddress,
_cstruct CallingPartySubaddress,
__u16 B1protocol,
__u16 B2protocol,
__u16 B3protocol,
_cstruct B1configuration,
_cstruct B2configuration,
_cstruct B3configuration,
_cstruct BC,
_cstruct LLC,
_cstruct HLC,
_cstruct BChannelinformation,
_cstruct Keypadfacility,
_cstruct Useruserdata,
_cstruct Facilitydataarray)
{
capi_cmsg_header(cmsg, ApplId, 0x02, 0x80, Messagenumber, adr);
cmsg->CIPValue = CIPValue;
cmsg->CalledPartyNumber = CalledPartyNumber;
cmsg->CallingPartyNumber = CallingPartyNumber;
cmsg->CalledPartySubaddress = CalledPartySubaddress;
cmsg->CallingPartySubaddress = CallingPartySubaddress;
cmsg->B1protocol = B1protocol;
cmsg->B2protocol = B2protocol;
cmsg->B3protocol = B3protocol;
cmsg->B1configuration = B1configuration;
cmsg->B2configuration = B2configuration;
cmsg->B3configuration = B3configuration;
cmsg->BC = BC;
cmsg->LLC = LLC;
cmsg->HLC = HLC;
cmsg->BChannelinformation = BChannelinformation;
cmsg->Keypadfacility = Keypadfacility;
cmsg->Useruserdata = Useruserdata;
cmsg->Facilitydataarray = Facilitydataarray;
}
static inline void capi_fill_DATA_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u32 Data,
__u16 DataLength,
__u16 DataHandle,
__u16 Flags)
{
capi_cmsg_header(cmsg, ApplId, 0x86, 0x80, Messagenumber, adr);
cmsg->Data = Data;
cmsg->DataLength = DataLength;
cmsg->DataHandle = DataHandle;
cmsg->Flags = Flags;
}
static inline void capi_fill_DISCONNECT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
_cstruct BChannelinformation,
_cstruct Keypadfacility,
_cstruct Useruserdata,
_cstruct Facilitydataarray)
{
capi_cmsg_header(cmsg, ApplId, 0x04, 0x80, Messagenumber, adr);
cmsg->BChannelinformation = BChannelinformation;
cmsg->Keypadfacility = Keypadfacility;
cmsg->Useruserdata = Useruserdata;
cmsg->Facilitydataarray = Facilitydataarray;
}
static inline void capi_fill_DISCONNECT_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
_cstruct NCPI)
{
capi_cmsg_header(cmsg, ApplId, 0x84, 0x80, Messagenumber, adr);
cmsg->NCPI = NCPI;
}
static inline void capi_fill_MANUFACTURER_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u32 ManuID,
__u32 Class,
__u32 Function,
_cstruct ManuData)
{
capi_cmsg_header(cmsg, ApplId, 0xff, 0x80, Messagenumber, adr);
cmsg->ManuID = ManuID;
cmsg->Class = Class;
cmsg->Function = Function;
cmsg->ManuData = ManuData;
}
static inline void capi_fill_RESET_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
_cstruct NCPI)
{
capi_cmsg_header(cmsg, ApplId, 0x87, 0x80, Messagenumber, adr);
cmsg->NCPI = NCPI;
}
static inline void capi_fill_SELECT_B_PROTOCOL_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u16 B1protocol,
__u16 B2protocol,
__u16 B3protocol,
_cstruct B1configuration,
_cstruct B2configuration,
_cstruct B3configuration)
{
capi_cmsg_header(cmsg, ApplId, 0x41, 0x80, Messagenumber, adr);
cmsg->B1protocol = B1protocol;
cmsg->B2protocol = B2protocol;
cmsg->B3protocol = B3protocol;
cmsg->B1configuration = B1configuration;
cmsg->B2configuration = B2configuration;
cmsg->B3configuration = B3configuration;
}
static inline void capi_fill_CONNECT_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u16 Reject,
__u16 B1protocol,
__u16 B2protocol,
__u16 B3protocol,
_cstruct B1configuration,
_cstruct B2configuration,
_cstruct B3configuration,
_cstruct ConnectedNumber,
_cstruct ConnectedSubaddress,
_cstruct LLC,
_cstruct BChannelinformation,
_cstruct Keypadfacility,
_cstruct Useruserdata,
_cstruct Facilitydataarray)
{
capi_cmsg_header(cmsg, ApplId, 0x02, 0x83, Messagenumber, adr);
cmsg->Reject = Reject;
cmsg->B1protocol = B1protocol;
cmsg->B2protocol = B2protocol;
cmsg->B3protocol = B3protocol;
cmsg->B1configuration = B1configuration;
cmsg->B2configuration = B2configuration;
cmsg->B3configuration = B3configuration;
cmsg->ConnectedNumber = ConnectedNumber;
cmsg->ConnectedSubaddress = ConnectedSubaddress;
cmsg->LLC = LLC;
cmsg->BChannelinformation = BChannelinformation;
cmsg->Keypadfacility = Keypadfacility;
cmsg->Useruserdata = Useruserdata;
cmsg->Facilitydataarray = Facilitydataarray;
}
static inline void capi_fill_CONNECT_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr)
{
capi_cmsg_header(cmsg, ApplId, 0x03, 0x83, Messagenumber, adr);
}
static inline void capi_fill_CONNECT_B3_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr)
{
capi_cmsg_header(cmsg, ApplId, 0x83, 0x83, Messagenumber, adr);
}
static inline void capi_fill_CONNECT_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u16 Reject,
_cstruct NCPI)
{
capi_cmsg_header(cmsg, ApplId, 0x82, 0x83, Messagenumber, adr);
cmsg->Reject = Reject;
cmsg->NCPI = NCPI;
}
static inline void capi_fill_CONNECT_B3_T90_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr)
{
capi_cmsg_header(cmsg, ApplId, 0x88, 0x83, Messagenumber, adr);
}
static inline void capi_fill_DATA_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u16 DataHandle)
{
capi_cmsg_header(cmsg, ApplId, 0x86, 0x83, Messagenumber, adr);
cmsg->DataHandle = DataHandle;
}
static inline void capi_fill_DISCONNECT_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr)
{
capi_cmsg_header(cmsg, ApplId, 0x84, 0x83, Messagenumber, adr);
}
static inline void capi_fill_DISCONNECT_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr)
{
capi_cmsg_header(cmsg, ApplId, 0x04, 0x83, Messagenumber, adr);
}
static inline void capi_fill_FACILITY_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u16 FacilitySelector)
{
capi_cmsg_header(cmsg, ApplId, 0x80, 0x83, Messagenumber, adr);
cmsg->FacilitySelector = FacilitySelector;
}
static inline void capi_fill_INFO_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr)
{
capi_cmsg_header(cmsg, ApplId, 0x08, 0x83, Messagenumber, adr);
}
static inline void capi_fill_MANUFACTURER_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr,
__u32 ManuID,
__u32 Class,
__u32 Function,
_cstruct ManuData)
{
capi_cmsg_header(cmsg, ApplId, 0xff, 0x83, Messagenumber, adr);
cmsg->ManuID = ManuID;
cmsg->Class = Class;
cmsg->Function = Function;
cmsg->ManuData = ManuData;
}
static inline void capi_fill_RESET_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
__u32 adr)
{
capi_cmsg_header(cmsg, ApplId, 0x87, 0x83, Messagenumber, adr);
}
#endif /* __CAPIUTIL_H__ */

75
include/linux/kernelcapi.h
Просмотреть файл

@ -10,46 +10,12 @@
#ifndef __KERNELCAPI_H__
#define __KERNELCAPI_H__
#include <linux/list.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/notifier.h>
#include <uapi/linux/kernelcapi.h>
struct capi20_appl {
u16 applid;
capi_register_params rparam;
void (*recv_message)(struct capi20_appl *ap, struct sk_buff *skb);
void *private;
/* internal to kernelcapi.o */
unsigned long nrecvctlpkt;
unsigned long nrecvdatapkt;
unsigned long nsentctlpkt;
unsigned long nsentdatapkt;
struct mutex recv_mtx;
struct sk_buff_head recv_queue;
struct work_struct recv_work;
int release_in_progress;
};
u16 capi20_isinstalled(void);
u16 capi20_register(struct capi20_appl *ap);
u16 capi20_release(struct capi20_appl *ap);
u16 capi20_put_message(struct capi20_appl *ap, struct sk_buff *skb);
u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]);
u16 capi20_get_version(u32 contr, struct capi_version *verp);
u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN]);
u16 capi20_get_profile(u32 contr, struct capi_profile *profp);
int capi20_manufacturer(unsigned long cmd, void __user *data);
#define CAPICTR_UP 0
#define CAPICTR_DOWN 1
int register_capictr_notifier(struct notifier_block *nb);
int unregister_capictr_notifier(struct notifier_block *nb);
#define CAPI_NOERROR 0x0000
#define CAPI_TOOMANYAPPLS 0x1001
@ -76,45 +42,4 @@ int unregister_capictr_notifier(struct notifier_block *nb);
#define CAPI_MSGCTRLERNOTSUPPORTEXTEQUIP 0x110a
#define CAPI_MSGCTRLERONLYSUPPORTEXTEQUIP 0x110b
typedef enum {
CapiMessageNotSupportedInCurrentState = 0x2001,
CapiIllContrPlciNcci = 0x2002,
CapiNoPlciAvailable = 0x2003,
CapiNoNcciAvailable = 0x2004,
CapiNoListenResourcesAvailable = 0x2005,
CapiNoFaxResourcesAvailable = 0x2006,
CapiIllMessageParmCoding = 0x2007,
} RESOURCE_CODING_PROBLEM;
typedef enum {
CapiB1ProtocolNotSupported = 0x3001,
CapiB2ProtocolNotSupported = 0x3002,
CapiB3ProtocolNotSupported = 0x3003,
CapiB1ProtocolParameterNotSupported = 0x3004,
CapiB2ProtocolParameterNotSupported = 0x3005,
CapiB3ProtocolParameterNotSupported = 0x3006,
CapiBProtocolCombinationNotSupported = 0x3007,
CapiNcpiNotSupported = 0x3008,
CapiCipValueUnknown = 0x3009,
CapiFlagsNotSupported = 0x300a,
CapiFacilityNotSupported = 0x300b,
CapiDataLengthNotSupportedByCurrentProtocol = 0x300c,
CapiResetProcedureNotSupportedByCurrentProtocol = 0x300d,
CapiTeiAssignmentFailed = 0x300e,
} REQUESTED_SERVICES_PROBLEM;
typedef enum {
CapiSuccess = 0x0000,
CapiSupplementaryServiceNotSupported = 0x300e,
CapiRequestNotAllowedInThisState = 0x3010,
} SUPPLEMENTARY_SERVICE_INFO;
typedef enum {
CapiProtocolErrorLayer1 = 0x3301,
CapiProtocolErrorLayer2 = 0x3302,
CapiProtocolErrorLayer3 = 0x3303,
CapiTimeOut = 0x3303, // SuppServiceReason
CapiCallGivenToOtherApplication = 0x3304,
} CAPI_REASON;
#endif /* __KERNELCAPI_H__ */

74
include/uapi/linux/b1lli.h
Просмотреть файл

@ -1,74 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* $Id: b1lli.h,v 1.8.8.3 2001/09/23 22:25:05 kai Exp $
*
* ISDN lowlevel-module for AVM B1-card.
*
* Copyright 1996 by Carsten Paeth (calle@calle.in-berlin.de)
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#ifndef _B1LLI_H_
#define _B1LLI_H_
/*
* struct for loading t4 file
*/
typedef struct avmb1_t4file {
int len;
unsigned char *data;
} avmb1_t4file;
typedef struct avmb1_loaddef {
int contr;
avmb1_t4file t4file;
} avmb1_loaddef;
typedef struct avmb1_loadandconfigdef {
int contr;
avmb1_t4file t4file;
avmb1_t4file t4config;
} avmb1_loadandconfigdef;
typedef struct avmb1_resetdef {
int contr;
} avmb1_resetdef;
typedef struct avmb1_getdef {
int contr;
int cardtype;
int cardstate;
} avmb1_getdef;
/*
* struct for adding new cards
*/
typedef struct avmb1_carddef {
int port;
int irq;
} avmb1_carddef;
#define AVM_CARDTYPE_B1 0
#define AVM_CARDTYPE_T1 1
#define AVM_CARDTYPE_M1 2
#define AVM_CARDTYPE_M2 3
typedef struct avmb1_extcarddef {
int port;
int irq;
int cardtype;
int cardnr; /* for HEMA/T1 */
} avmb1_extcarddef;
#define AVMB1_LOAD 0 /* load image to card */
#define AVMB1_ADDCARD 1 /* add a new card - OBSOLETE */
#define AVMB1_RESETCARD 2 /* reset a card */
#define AVMB1_LOAD_AND_CONFIG 3 /* load image and config to card */
#define AVMB1_ADDCARD_WITH_TYPE 4 /* add a new card, with cardtype */
#define AVMB1_GET_CARDINFO 5 /* get cardtype */
#define AVMB1_REMOVECARD 6 /* remove a card - OBSOLETE */
#define AVMB1_REGISTERCARD_IS_OBSOLETE
#endif /* _B1LLI_H_ */