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path: root/drivers/isdn/capi/capiutil.c
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Diffstat (limited to 'drivers/isdn/capi/capiutil.c')
-rw-r--r--drivers/isdn/capi/capiutil.c231
1 files changed, 4 insertions, 227 deletions
diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c
index 9846d82eb097..f26bf3c66d7e 100644
--- a/drivers/isdn/capi/capiutil.c
+++ b/drivers/isdn/capi/capiutil.c
@@ -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);
generated by cgit (git 2.34.1) at 2024-05-29 15:24:45 +0000