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c0891ac15f
Ship minimal stdarg.h (1 type, 4 macros) as <linux/stdarg.h>. stdarg.h is the only userspace header commonly used in the kernel. GPL 2 version of <stdarg.h> can be extracted from http://archive.debian.org/debian/pool/main/g/gcc-4.2/gcc-4.2_4.2.4.orig.tar.gz Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
678 lines
16 KiB
C
678 lines
16 KiB
C
/* $Id: capiutil.c,v 1.13.6.4 2001/09/23 22:24:33 kai Exp $
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*
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* CAPI 2.0 convert capi message to capi message struct
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*
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* From CAPI 2.0 Development Kit AVM 1995 (msg.c)
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* Rewritten for Linux 1996 by Carsten Paeth <calle@calle.de>
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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*/
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/ctype.h>
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <linux/isdn/capiutil.h>
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#include <linux/slab.h>
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#include "kcapi.h"
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/* from CAPI2.0 DDK AVM Berlin GmbH */
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typedef struct {
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int typ;
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size_t off;
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} _cdef;
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#define _CBYTE 1
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#define _CWORD 2
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#define _CDWORD 3
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#define _CSTRUCT 4
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#define _CMSTRUCT 5
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#define _CEND 6
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static _cdef cdef[] =
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{
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/*00 */
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{_CEND},
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/*01 */
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{_CEND},
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/*02 */
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{_CEND},
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/*03 */
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{_CDWORD, offsetof(_cmsg, adr.adrController)},
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/*04 */
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{_CMSTRUCT, offsetof(_cmsg, AdditionalInfo)},
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/*05 */
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{_CSTRUCT, offsetof(_cmsg, B1configuration)},
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/*06 */
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{_CWORD, offsetof(_cmsg, B1protocol)},
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/*07 */
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{_CSTRUCT, offsetof(_cmsg, B2configuration)},
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/*08 */
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{_CWORD, offsetof(_cmsg, B2protocol)},
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/*09 */
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{_CSTRUCT, offsetof(_cmsg, B3configuration)},
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/*0a */
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{_CWORD, offsetof(_cmsg, B3protocol)},
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/*0b */
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{_CSTRUCT, offsetof(_cmsg, BC)},
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/*0c */
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{_CSTRUCT, offsetof(_cmsg, BChannelinformation)},
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/*0d */
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{_CMSTRUCT, offsetof(_cmsg, BProtocol)},
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/*0e */
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{_CSTRUCT, offsetof(_cmsg, CalledPartyNumber)},
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/*0f */
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{_CSTRUCT, offsetof(_cmsg, CalledPartySubaddress)},
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/*10 */
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{_CSTRUCT, offsetof(_cmsg, CallingPartyNumber)},
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/*11 */
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{_CSTRUCT, offsetof(_cmsg, CallingPartySubaddress)},
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/*12 */
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{_CDWORD, offsetof(_cmsg, CIPmask)},
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/*13 */
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{_CDWORD, offsetof(_cmsg, CIPmask2)},
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/*14 */
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{_CWORD, offsetof(_cmsg, CIPValue)},
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/*15 */
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{_CDWORD, offsetof(_cmsg, Class)},
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/*16 */
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{_CSTRUCT, offsetof(_cmsg, ConnectedNumber)},
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/*17 */
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{_CSTRUCT, offsetof(_cmsg, ConnectedSubaddress)},
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/*18 */
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{_CDWORD, offsetof(_cmsg, Data)},
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/*19 */
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{_CWORD, offsetof(_cmsg, DataHandle)},
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/*1a */
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{_CWORD, offsetof(_cmsg, DataLength)},
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/*1b */
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{_CSTRUCT, offsetof(_cmsg, FacilityConfirmationParameter)},
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/*1c */
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{_CSTRUCT, offsetof(_cmsg, Facilitydataarray)},
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/*1d */
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{_CSTRUCT, offsetof(_cmsg, FacilityIndicationParameter)},
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/*1e */
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{_CSTRUCT, offsetof(_cmsg, FacilityRequestParameter)},
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/*1f */
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{_CWORD, offsetof(_cmsg, FacilitySelector)},
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/*20 */
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{_CWORD, offsetof(_cmsg, Flags)},
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/*21 */
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{_CDWORD, offsetof(_cmsg, Function)},
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/*22 */
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{_CSTRUCT, offsetof(_cmsg, HLC)},
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/*23 */
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{_CWORD, offsetof(_cmsg, Info)},
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/*24 */
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{_CSTRUCT, offsetof(_cmsg, InfoElement)},
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/*25 */
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{_CDWORD, offsetof(_cmsg, InfoMask)},
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/*26 */
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{_CWORD, offsetof(_cmsg, InfoNumber)},
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/*27 */
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{_CSTRUCT, offsetof(_cmsg, Keypadfacility)},
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/*28 */
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{_CSTRUCT, offsetof(_cmsg, LLC)},
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/*29 */
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{_CSTRUCT, offsetof(_cmsg, ManuData)},
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/*2a */
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{_CDWORD, offsetof(_cmsg, ManuID)},
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/*2b */
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{_CSTRUCT, offsetof(_cmsg, NCPI)},
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/*2c */
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{_CWORD, offsetof(_cmsg, Reason)},
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/*2d */
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{_CWORD, offsetof(_cmsg, Reason_B3)},
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/*2e */
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{_CWORD, offsetof(_cmsg, Reject)},
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/*2f */
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{_CSTRUCT, offsetof(_cmsg, Useruserdata)}
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};
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static unsigned char *cpars[] =
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{
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/* ALERT_REQ */ [0x01] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
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/* 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",
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/* DISCONNECT_REQ */ [0x04] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01",
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/* LISTEN_REQ */ [0x05] = "\x03\x25\x12\x13\x10\x11\x01",
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/* INFO_REQ */ [0x08] = "\x03\x0e\x04\x0c\x27\x2f\x1c\x01\x01",
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/* FACILITY_REQ */ [0x09] = "\x03\x1f\x1e\x01",
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/* SELECT_B_PROTOCOL_REQ */ [0x0a] = "\x03\x0d\x06\x08\x0a\x05\x07\x09\x01\x01",
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/* CONNECT_B3_REQ */ [0x0b] = "\x03\x2b\x01",
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/* DISCONNECT_B3_REQ */ [0x0d] = "\x03\x2b\x01",
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/* DATA_B3_REQ */ [0x0f] = "\x03\x18\x1a\x19\x20\x01",
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/* RESET_B3_REQ */ [0x10] = "\x03\x2b\x01",
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/* ALERT_CONF */ [0x13] = "\x03\x23\x01",
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/* CONNECT_CONF */ [0x14] = "\x03\x23\x01",
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/* DISCONNECT_CONF */ [0x16] = "\x03\x23\x01",
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/* LISTEN_CONF */ [0x17] = "\x03\x23\x01",
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/* MANUFACTURER_REQ */ [0x18] = "\x03\x2a\x15\x21\x29\x01",
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/* INFO_CONF */ [0x1a] = "\x03\x23\x01",
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/* FACILITY_CONF */ [0x1b] = "\x03\x23\x1f\x1b\x01",
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/* SELECT_B_PROTOCOL_CONF */ [0x1c] = "\x03\x23\x01",
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/* CONNECT_B3_CONF */ [0x1d] = "\x03\x23\x01",
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/* DISCONNECT_B3_CONF */ [0x1f] = "\x03\x23\x01",
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/* DATA_B3_CONF */ [0x21] = "\x03\x19\x23\x01",
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/* RESET_B3_CONF */ [0x22] = "\x03\x23\x01",
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/* CONNECT_IND */ [0x26] = "\x03\x14\x0e\x10\x0f\x11\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01",
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/* CONNECT_ACTIVE_IND */ [0x27] = "\x03\x16\x17\x28\x01",
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/* DISCONNECT_IND */ [0x28] = "\x03\x2c\x01",
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/* MANUFACTURER_CONF */ [0x2a] = "\x03\x2a\x15\x21\x29\x01",
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/* INFO_IND */ [0x2c] = "\x03\x26\x24\x01",
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/* FACILITY_IND */ [0x2d] = "\x03\x1f\x1d\x01",
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/* CONNECT_B3_IND */ [0x2f] = "\x03\x2b\x01",
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/* CONNECT_B3_ACTIVE_IND */ [0x30] = "\x03\x2b\x01",
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/* DISCONNECT_B3_IND */ [0x31] = "\x03\x2d\x2b\x01",
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/* DATA_B3_IND */ [0x33] = "\x03\x18\x1a\x19\x20\x01",
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/* RESET_B3_IND */ [0x34] = "\x03\x2b\x01",
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/* CONNECT_B3_T90_ACTIVE_IND */ [0x35] = "\x03\x2b\x01",
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/* CONNECT_RESP */ [0x38] = "\x03\x2e\x0d\x06\x08\x0a\x05\x07\x09\x01\x16\x17\x28\x04\x0c\x27\x2f\x1c\x01\x01",
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/* CONNECT_ACTIVE_RESP */ [0x39] = "\x03\x01",
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/* DISCONNECT_RESP */ [0x3a] = "\x03\x01",
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/* MANUFACTURER_IND */ [0x3c] = "\x03\x2a\x15\x21\x29\x01",
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/* INFO_RESP */ [0x3e] = "\x03\x01",
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/* FACILITY_RESP */ [0x3f] = "\x03\x1f\x01",
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/* CONNECT_B3_RESP */ [0x41] = "\x03\x2e\x2b\x01",
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/* CONNECT_B3_ACTIVE_RESP */ [0x42] = "\x03\x01",
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/* DISCONNECT_B3_RESP */ [0x43] = "\x03\x01",
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/* DATA_B3_RESP */ [0x45] = "\x03\x19\x01",
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/* RESET_B3_RESP */ [0x46] = "\x03\x01",
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/* CONNECT_B3_T90_ACTIVE_RESP */ [0x47] = "\x03\x01",
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/* MANUFACTURER_RESP */ [0x4e] = "\x03\x2a\x15\x21\x29\x01",
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};
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/*-------------------------------------------------------*/
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#define byteTLcpy(x, y) *(u8 *)(x) = *(u8 *)(y);
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#define wordTLcpy(x, y) *(u16 *)(x) = *(u16 *)(y);
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#define dwordTLcpy(x, y) memcpy(x, y, 4);
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#define structTLcpy(x, y, l) memcpy(x, y, l)
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#define structTLcpyovl(x, y, l) memmove(x, y, l)
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#define byteTRcpy(x, y) *(u8 *)(y) = *(u8 *)(x);
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#define wordTRcpy(x, y) *(u16 *)(y) = *(u16 *)(x);
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#define dwordTRcpy(x, y) memcpy(y, x, 4);
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#define structTRcpy(x, y, l) memcpy(y, x, l)
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#define structTRcpyovl(x, y, l) memmove(y, x, l)
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/*-------------------------------------------------------*/
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static unsigned command_2_index(u8 c, u8 sc)
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{
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if (c & 0x80)
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c = 0x9 + (c & 0x0f);
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else if (c == 0x41)
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c = 0x9 + 0x1;
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if (c > 0x18)
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c = 0x00;
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return (sc & 3) * (0x9 + 0x9) + c;
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}
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/**
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* capi_cmd2par() - find parameter string for CAPI 2.0 command/subcommand
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* @cmd: command number
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* @subcmd: subcommand number
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*
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* Return value: static string, NULL if command/subcommand unknown
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*/
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static unsigned char *capi_cmd2par(u8 cmd, u8 subcmd)
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{
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return cpars[command_2_index(cmd, subcmd)];
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}
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/*-------------------------------------------------------*/
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#define TYP (cdef[cmsg->par[cmsg->p]].typ)
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#define OFF (((u8 *)cmsg) + cdef[cmsg->par[cmsg->p]].off)
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static void jumpcstruct(_cmsg *cmsg)
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{
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unsigned layer;
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for (cmsg->p++, layer = 1; layer;) {
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/* $$$$$ assert (cmsg->p); */
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cmsg->p++;
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switch (TYP) {
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case _CMSTRUCT:
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layer++;
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break;
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case _CEND:
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layer--;
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break;
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}
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}
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}
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/*-------------------------------------------------------*/
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static char *mnames[] =
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{
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[0x01] = "ALERT_REQ",
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[0x02] = "CONNECT_REQ",
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[0x04] = "DISCONNECT_REQ",
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[0x05] = "LISTEN_REQ",
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[0x08] = "INFO_REQ",
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[0x09] = "FACILITY_REQ",
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[0x0a] = "SELECT_B_PROTOCOL_REQ",
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[0x0b] = "CONNECT_B3_REQ",
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[0x0d] = "DISCONNECT_B3_REQ",
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[0x0f] = "DATA_B3_REQ",
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[0x10] = "RESET_B3_REQ",
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[0x13] = "ALERT_CONF",
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[0x14] = "CONNECT_CONF",
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[0x16] = "DISCONNECT_CONF",
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[0x17] = "LISTEN_CONF",
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[0x18] = "MANUFACTURER_REQ",
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[0x1a] = "INFO_CONF",
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[0x1b] = "FACILITY_CONF",
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[0x1c] = "SELECT_B_PROTOCOL_CONF",
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[0x1d] = "CONNECT_B3_CONF",
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[0x1f] = "DISCONNECT_B3_CONF",
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[0x21] = "DATA_B3_CONF",
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[0x22] = "RESET_B3_CONF",
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[0x26] = "CONNECT_IND",
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[0x27] = "CONNECT_ACTIVE_IND",
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[0x28] = "DISCONNECT_IND",
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[0x2a] = "MANUFACTURER_CONF",
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[0x2c] = "INFO_IND",
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[0x2d] = "FACILITY_IND",
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[0x2f] = "CONNECT_B3_IND",
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[0x30] = "CONNECT_B3_ACTIVE_IND",
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[0x31] = "DISCONNECT_B3_IND",
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[0x33] = "DATA_B3_IND",
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[0x34] = "RESET_B3_IND",
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[0x35] = "CONNECT_B3_T90_ACTIVE_IND",
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[0x38] = "CONNECT_RESP",
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[0x39] = "CONNECT_ACTIVE_RESP",
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[0x3a] = "DISCONNECT_RESP",
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[0x3c] = "MANUFACTURER_IND",
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[0x3e] = "INFO_RESP",
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[0x3f] = "FACILITY_RESP",
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[0x41] = "CONNECT_B3_RESP",
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[0x42] = "CONNECT_B3_ACTIVE_RESP",
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[0x43] = "DISCONNECT_B3_RESP",
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[0x45] = "DATA_B3_RESP",
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[0x46] = "RESET_B3_RESP",
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[0x47] = "CONNECT_B3_T90_ACTIVE_RESP",
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[0x4e] = "MANUFACTURER_RESP"
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};
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/**
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* capi_cmd2str() - convert CAPI 2.0 command/subcommand number to name
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* @cmd: command number
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* @subcmd: subcommand number
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*
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* Return value: static string
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*/
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char *capi_cmd2str(u8 cmd, u8 subcmd)
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{
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char *result;
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result = mnames[command_2_index(cmd, subcmd)];
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if (result == NULL)
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result = "INVALID_COMMAND";
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return result;
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}
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/*-------------------------------------------------------*/
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#ifdef CONFIG_CAPI_TRACE
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/*-------------------------------------------------------*/
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static char *pnames[] =
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{
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/*00 */ NULL,
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/*01 */ NULL,
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/*02 */ NULL,
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/*03 */ "Controller/PLCI/NCCI",
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/*04 */ "AdditionalInfo",
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/*05 */ "B1configuration",
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/*06 */ "B1protocol",
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/*07 */ "B2configuration",
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/*08 */ "B2protocol",
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/*09 */ "B3configuration",
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/*0a */ "B3protocol",
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/*0b */ "BC",
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/*0c */ "BChannelinformation",
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/*0d */ "BProtocol",
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/*0e */ "CalledPartyNumber",
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/*0f */ "CalledPartySubaddress",
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/*10 */ "CallingPartyNumber",
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/*11 */ "CallingPartySubaddress",
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/*12 */ "CIPmask",
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/*13 */ "CIPmask2",
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/*14 */ "CIPValue",
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/*15 */ "Class",
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/*16 */ "ConnectedNumber",
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/*17 */ "ConnectedSubaddress",
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/*18 */ "Data32",
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/*19 */ "DataHandle",
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/*1a */ "DataLength",
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/*1b */ "FacilityConfirmationParameter",
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/*1c */ "Facilitydataarray",
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/*1d */ "FacilityIndicationParameter",
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/*1e */ "FacilityRequestParameter",
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/*1f */ "FacilitySelector",
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/*20 */ "Flags",
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/*21 */ "Function",
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/*22 */ "HLC",
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/*23 */ "Info",
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/*24 */ "InfoElement",
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/*25 */ "InfoMask",
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/*26 */ "InfoNumber",
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/*27 */ "Keypadfacility",
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/*28 */ "LLC",
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/*29 */ "ManuData",
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/*2a */ "ManuID",
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/*2b */ "NCPI",
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/*2c */ "Reason",
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/*2d */ "Reason_B3",
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/*2e */ "Reject",
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/*2f */ "Useruserdata"
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};
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#include <linux/stdarg.h>
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/*-------------------------------------------------------*/
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static _cdebbuf *bufprint(_cdebbuf *cdb, char *fmt, ...)
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{
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va_list f;
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size_t n, r;
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if (!cdb)
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return NULL;
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va_start(f, fmt);
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r = cdb->size - cdb->pos;
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n = vsnprintf(cdb->p, r, fmt, f);
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va_end(f);
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if (n >= r) {
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/* truncated, need bigger buffer */
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size_t ns = 2 * cdb->size;
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u_char *nb;
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while ((ns - cdb->pos) <= n)
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ns *= 2;
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nb = kmalloc(ns, GFP_ATOMIC);
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if (!nb) {
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cdebbuf_free(cdb);
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return NULL;
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}
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memcpy(nb, cdb->buf, cdb->pos);
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kfree(cdb->buf);
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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
|