678 строки
16 KiB
C
678 строки
16 KiB
C
/* $Id: capiutil.c,v 1.13.6.4 2001/09/23 22:24:33 kai Exp $
|
|
*
|
|
* CAPI 2.0 convert capi message to capi message struct
|
|
*
|
|
* From CAPI 2.0 Development Kit AVM 1995 (msg.c)
|
|
* Rewritten for Linux 1996 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.
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/string.h>
|
|
#include <linux/ctype.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/init.h>
|
|
#include <linux/isdn/capiutil.h>
|
|
#include <linux/slab.h>
|
|
|
|
#include "kcapi.h"
|
|
|
|
/* from CAPI2.0 DDK AVM Berlin GmbH */
|
|
|
|
typedef struct {
|
|
int typ;
|
|
size_t off;
|
|
} _cdef;
|
|
|
|
#define _CBYTE 1
|
|
#define _CWORD 2
|
|
#define _CDWORD 3
|
|
#define _CSTRUCT 4
|
|
#define _CMSTRUCT 5
|
|
#define _CEND 6
|
|
|
|
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)}
|
|
};
|
|
|
|
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",
|
|
};
|
|
|
|
/*-------------------------------------------------------*/
|
|
|
|
#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)
|
|
|
|
/*-------------------------------------------------------*/
|
|
static unsigned command_2_index(u8 c, u8 sc)
|
|
{
|
|
if (c & 0x80)
|
|
c = 0x9 + (c & 0x0f);
|
|
else if (c == 0x41)
|
|
c = 0x9 + 0x1;
|
|
if (c > 0x18)
|
|
c = 0x00;
|
|
return (sc & 3) * (0x9 + 0x9) + c;
|
|
}
|
|
|
|
/**
|
|
* capi_cmd2par() - find parameter string for CAPI 2.0 command/subcommand
|
|
* @cmd: command number
|
|
* @subcmd: subcommand number
|
|
*
|
|
* Return value: static string, NULL if command/subcommand unknown
|
|
*/
|
|
|
|
static unsigned char *capi_cmd2par(u8 cmd, u8 subcmd)
|
|
{
|
|
return cpars[command_2_index(cmd, subcmd)];
|
|
}
|
|
|
|
/*-------------------------------------------------------*/
|
|
#define TYP (cdef[cmsg->par[cmsg->p]].typ)
|
|
#define OFF (((u8 *)cmsg) + cdef[cmsg->par[cmsg->p]].off)
|
|
|
|
static void jumpcstruct(_cmsg *cmsg)
|
|
{
|
|
unsigned layer;
|
|
for (cmsg->p++, layer = 1; layer;) {
|
|
/* $$$$$ assert (cmsg->p); */
|
|
cmsg->p++;
|
|
switch (TYP) {
|
|
case _CMSTRUCT:
|
|
layer++;
|
|
break;
|
|
case _CEND:
|
|
layer--;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*-------------------------------------------------------*/
|
|
|
|
static char *mnames[] =
|
|
{
|
|
[0x01] = "ALERT_REQ",
|
|
[0x02] = "CONNECT_REQ",
|
|
[0x04] = "DISCONNECT_REQ",
|
|
[0x05] = "LISTEN_REQ",
|
|
[0x08] = "INFO_REQ",
|
|
[0x09] = "FACILITY_REQ",
|
|
[0x0a] = "SELECT_B_PROTOCOL_REQ",
|
|
[0x0b] = "CONNECT_B3_REQ",
|
|
[0x0d] = "DISCONNECT_B3_REQ",
|
|
[0x0f] = "DATA_B3_REQ",
|
|
[0x10] = "RESET_B3_REQ",
|
|
[0x13] = "ALERT_CONF",
|
|
[0x14] = "CONNECT_CONF",
|
|
[0x16] = "DISCONNECT_CONF",
|
|
[0x17] = "LISTEN_CONF",
|
|
[0x18] = "MANUFACTURER_REQ",
|
|
[0x1a] = "INFO_CONF",
|
|
[0x1b] = "FACILITY_CONF",
|
|
[0x1c] = "SELECT_B_PROTOCOL_CONF",
|
|
[0x1d] = "CONNECT_B3_CONF",
|
|
[0x1f] = "DISCONNECT_B3_CONF",
|
|
[0x21] = "DATA_B3_CONF",
|
|
[0x22] = "RESET_B3_CONF",
|
|
[0x26] = "CONNECT_IND",
|
|
[0x27] = "CONNECT_ACTIVE_IND",
|
|
[0x28] = "DISCONNECT_IND",
|
|
[0x2a] = "MANUFACTURER_CONF",
|
|
[0x2c] = "INFO_IND",
|
|
[0x2d] = "FACILITY_IND",
|
|
[0x2f] = "CONNECT_B3_IND",
|
|
[0x30] = "CONNECT_B3_ACTIVE_IND",
|
|
[0x31] = "DISCONNECT_B3_IND",
|
|
[0x33] = "DATA_B3_IND",
|
|
[0x34] = "RESET_B3_IND",
|
|
[0x35] = "CONNECT_B3_T90_ACTIVE_IND",
|
|
[0x38] = "CONNECT_RESP",
|
|
[0x39] = "CONNECT_ACTIVE_RESP",
|
|
[0x3a] = "DISCONNECT_RESP",
|
|
[0x3c] = "MANUFACTURER_IND",
|
|
[0x3e] = "INFO_RESP",
|
|
[0x3f] = "FACILITY_RESP",
|
|
[0x41] = "CONNECT_B3_RESP",
|
|
[0x42] = "CONNECT_B3_ACTIVE_RESP",
|
|
[0x43] = "DISCONNECT_B3_RESP",
|
|
[0x45] = "DATA_B3_RESP",
|
|
[0x46] = "RESET_B3_RESP",
|
|
[0x47] = "CONNECT_B3_T90_ACTIVE_RESP",
|
|
[0x4e] = "MANUFACTURER_RESP"
|
|
};
|
|
|
|
/**
|
|
* capi_cmd2str() - convert CAPI 2.0 command/subcommand number to name
|
|
* @cmd: command number
|
|
* @subcmd: subcommand number
|
|
*
|
|
* Return value: static string
|
|
*/
|
|
|
|
char *capi_cmd2str(u8 cmd, u8 subcmd)
|
|
{
|
|
char *result;
|
|
|
|
result = mnames[command_2_index(cmd, subcmd)];
|
|
if (result == NULL)
|
|
result = "INVALID_COMMAND";
|
|
return result;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------*/
|
|
|
|
#ifdef CONFIG_CAPI_TRACE
|
|
|
|
/*-------------------------------------------------------*/
|
|
|
|
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"
|
|
};
|
|
|
|
#include <stdarg.h>
|
|
|
|
/*-------------------------------------------------------*/
|
|
static _cdebbuf *bufprint(_cdebbuf *cdb, char *fmt, ...)
|
|
{
|
|
va_list f;
|
|
size_t n, r;
|
|
|
|
if (!cdb)
|
|
return NULL;
|
|
va_start(f, fmt);
|
|
r = cdb->size - cdb->pos;
|
|
n = vsnprintf(cdb->p, r, fmt, f);
|
|
va_end(f);
|
|
if (n >= r) {
|
|
/* truncated, need bigger buffer */
|
|
size_t ns = 2 * cdb->size;
|
|
u_char *nb;
|
|
|
|
while ((ns - cdb->pos) <= n)
|
|
ns *= 2;
|
|
nb = kmalloc(ns, GFP_ATOMIC);
|
|
if (!nb) {
|
|
cdebbuf_free(cdb);
|
|
return NULL;
|
|
}
|
|
memcpy(nb, cdb->buf, cdb->pos);
|
|
kfree(cdb->buf);
|
|
nb[cdb->pos] = 0;
|
|
cdb->buf = nb;
|
|
cdb->p = cdb->buf + cdb->pos;
|
|
cdb->size = ns;
|
|
va_start(f, fmt);
|
|
r = cdb->size - cdb->pos;
|
|
n = vsnprintf(cdb->p, r, fmt, f);
|
|
va_end(f);
|
|
}
|
|
cdb->p += n;
|
|
cdb->pos += n;
|
|
return cdb;
|
|
}
|
|
|
|
static _cdebbuf *printstructlen(_cdebbuf *cdb, u8 *m, unsigned len)
|
|
{
|
|
unsigned hex = 0;
|
|
|
|
if (!cdb)
|
|
return NULL;
|
|
for (; len; len--, m++)
|
|
if (isalnum(*m) || *m == ' ') {
|
|
if (hex)
|
|
cdb = bufprint(cdb, ">");
|
|
cdb = bufprint(cdb, "%c", *m);
|
|
hex = 0;
|
|
} else {
|
|
if (!hex)
|
|
cdb = bufprint(cdb, "<%02x", *m);
|
|
else
|
|
cdb = bufprint(cdb, " %02x", *m);
|
|
hex = 1;
|
|
}
|
|
if (hex)
|
|
cdb = bufprint(cdb, ">");
|
|
return cdb;
|
|
}
|
|
|
|
static _cdebbuf *printstruct(_cdebbuf *cdb, u8 *m)
|
|
{
|
|
unsigned len;
|
|
|
|
if (m[0] != 0xff) {
|
|
len = m[0];
|
|
m += 1;
|
|
} else {
|
|
len = ((u16 *) (m + 1))[0];
|
|
m += 3;
|
|
}
|
|
cdb = printstructlen(cdb, m, len);
|
|
return cdb;
|
|
}
|
|
|
|
/*-------------------------------------------------------*/
|
|
#define NAME (pnames[cmsg->par[cmsg->p]])
|
|
|
|
static _cdebbuf *protocol_message_2_pars(_cdebbuf *cdb, _cmsg *cmsg, int level)
|
|
{
|
|
if (!cmsg->par)
|
|
return NULL; /* invalid command/subcommand */
|
|
|
|
for (; TYP != _CEND; cmsg->p++) {
|
|
int slen = 29 + 3 - level;
|
|
int i;
|
|
|
|
if (!cdb)
|
|
return NULL;
|
|
cdb = bufprint(cdb, " ");
|
|
for (i = 0; i < level - 1; i++)
|
|
cdb = bufprint(cdb, " ");
|
|
|
|
switch (TYP) {
|
|
case _CBYTE:
|
|
cdb = bufprint(cdb, "%-*s = 0x%x\n", slen, NAME, *(u8 *) (cmsg->m + cmsg->l));
|
|
cmsg->l++;
|
|
break;
|
|
case _CWORD:
|
|
cdb = bufprint(cdb, "%-*s = 0x%x\n", slen, NAME, *(u16 *) (cmsg->m + cmsg->l));
|
|
cmsg->l += 2;
|
|
break;
|
|
case _CDWORD:
|
|
cdb = bufprint(cdb, "%-*s = 0x%lx\n", slen, NAME, *(u32 *) (cmsg->m + cmsg->l));
|
|
cmsg->l += 4;
|
|
break;
|
|
case _CSTRUCT:
|
|
cdb = bufprint(cdb, "%-*s = ", slen, NAME);
|
|
if (cmsg->m[cmsg->l] == '\0')
|
|
cdb = bufprint(cdb, "default");
|
|
else
|
|
cdb = printstruct(cdb, cmsg->m + cmsg->l);
|
|
cdb = bufprint(cdb, "\n");
|
|
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') {
|
|
cdb = bufprint(cdb, "%-*s = default\n", slen, NAME);
|
|
cmsg->l++;
|
|
jumpcstruct(cmsg);
|
|
} else {
|
|
char *name = NAME;
|
|
unsigned _l = cmsg->l;
|
|
cdb = bufprint(cdb, "%-*s\n", slen, name);
|
|
cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1;
|
|
cmsg->p++;
|
|
cdb = protocol_message_2_pars(cdb, cmsg, level + 1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return cdb;
|
|
}
|
|
/*-------------------------------------------------------*/
|
|
|
|
static _cdebbuf *g_debbuf;
|
|
static u_long g_debbuf_lock;
|
|
static _cmsg *g_cmsg;
|
|
|
|
static _cdebbuf *cdebbuf_alloc(void)
|
|
{
|
|
_cdebbuf *cdb;
|
|
|
|
if (likely(!test_and_set_bit(1, &g_debbuf_lock))) {
|
|
cdb = g_debbuf;
|
|
goto init;
|
|
} else
|
|
cdb = kmalloc(sizeof(_cdebbuf), GFP_ATOMIC);
|
|
if (!cdb)
|
|
return NULL;
|
|
cdb->buf = kmalloc(CDEBUG_SIZE, GFP_ATOMIC);
|
|
if (!cdb->buf) {
|
|
kfree(cdb);
|
|
return NULL;
|
|
}
|
|
cdb->size = CDEBUG_SIZE;
|
|
init:
|
|
cdb->buf[0] = 0;
|
|
cdb->p = cdb->buf;
|
|
cdb->pos = 0;
|
|
return cdb;
|
|
}
|
|
|
|
/**
|
|
* cdebbuf_free() - free CAPI debug buffer
|
|
* @cdb: buffer to free
|
|
*/
|
|
|
|
void cdebbuf_free(_cdebbuf *cdb)
|
|
{
|
|
if (likely(cdb == g_debbuf)) {
|
|
test_and_clear_bit(1, &g_debbuf_lock);
|
|
return;
|
|
}
|
|
if (likely(cdb))
|
|
kfree(cdb->buf);
|
|
kfree(cdb);
|
|
}
|
|
|
|
|
|
/**
|
|
* 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;
|
|
|
|
cdb = cdebbuf_alloc();
|
|
if (unlikely(!cdb))
|
|
return NULL;
|
|
if (likely(cdb == g_debbuf))
|
|
cmsg = g_cmsg;
|
|
else
|
|
cmsg = kmalloc(sizeof(_cmsg), GFP_ATOMIC);
|
|
if (unlikely(!cmsg)) {
|
|
cdebbuf_free(cdb);
|
|
return NULL;
|
|
}
|
|
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);
|
|
|
|
cdb = bufprint(cdb, "%-26s ID=%03d #0x%04x LEN=%04d\n",
|
|
capi_cmd2str(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))
|
|
kfree(cmsg);
|
|
return cdb;
|
|
}
|
|
|
|
int __init cdebug_init(void)
|
|
{
|
|
g_cmsg = kmalloc(sizeof(_cmsg), GFP_KERNEL);
|
|
if (!g_cmsg)
|
|
return -ENOMEM;
|
|
g_debbuf = kmalloc(sizeof(_cdebbuf), GFP_KERNEL);
|
|
if (!g_debbuf) {
|
|
kfree(g_cmsg);
|
|
return -ENOMEM;
|
|
}
|
|
g_debbuf->buf = kmalloc(CDEBUG_GSIZE, GFP_KERNEL);
|
|
if (!g_debbuf->buf) {
|
|
kfree(g_cmsg);
|
|
kfree(g_debbuf);
|
|
return -ENOMEM;
|
|
}
|
|
g_debbuf->size = CDEBUG_GSIZE;
|
|
g_debbuf->buf[0] = 0;
|
|
g_debbuf->p = g_debbuf->buf;
|
|
g_debbuf->pos = 0;
|
|
return 0;
|
|
}
|
|
|
|
void cdebug_exit(void)
|
|
{
|
|
if (g_debbuf)
|
|
kfree(g_debbuf->buf);
|
|
kfree(g_debbuf);
|
|
kfree(g_cmsg);
|
|
}
|
|
|
|
#else /* !CONFIG_CAPI_TRACE */
|
|
|
|
static _cdebbuf g_debbuf = {"CONFIG_CAPI_TRACE not enabled", NULL, 0, 0};
|
|
|
|
_cdebbuf *capi_message2str(u8 *msg)
|
|
{
|
|
return &g_debbuf;
|
|
}
|
|
|
|
_cdebbuf *capi_cmsg2str(_cmsg *cmsg)
|
|
{
|
|
return &g_debbuf;
|
|
}
|
|
|
|
void cdebbuf_free(_cdebbuf *cdb)
|
|
{
|
|
}
|
|
|
|
int __init cdebug_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void cdebug_exit(void)
|
|
{
|
|
}
|
|
|
|
#endif
|