Merge branch 'isdn-capi'

Tilman Schmidt says:

====================
ISDN patches for net-next (v2)

Here's v2 of the series of patches for the ISDN CAPI subsystem
prepared by Paul Bolle and reviewed by yours truly. It reflects
GregKH's review, resulting in a substantial simplification.
Please merge via net-next.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 206 insertions, 216 deletions

diff --git a/drivers/isdn/capi/Kconfig b/drivers/isdn/capi/Kconfig
index 9816c51..7641b30 100644
--- a/drivers/isdn/capi/Kconfig
+++ b/drivers/isdn/capi/Kconfig
@@ -1,11 +1,3 @@
-config ISDN_DRV_AVMB1_VERBOSE_REASON
-	bool "Verbose reason code reporting"
-	default y
-	help
-	  If you say Y here, the CAPI drivers will give verbose reasons for
-	  disconnecting. This will increase the size of the kernel by 7 KB. If
-	  unsure, say Y.
-
 config CAPI_TRACE
 	bool "CAPI trace support"
 	default y
@@ -17,7 +9,7 @@ config CAPI_TRACE
 	  If unsure, say Y.
 
 config ISDN_CAPI_CAPI20
-	tristate "CAPI2.0 /dev/capi support"
+	tristate "CAPI2.0 /dev/capi20 support"
 	help
 	  This option will provide the CAPI 2.0 interface to userspace
 	  applications via /dev/capi20. Applications should use the
@@ -42,3 +34,11 @@ config ISDN_CAPI_CAPIDRV
 	  the legacy isdn4linux link layer.  If you have a card which is
 	  supported by a CAPI driver, but still want to use old features like
 	  ippp interfaces or ttyI emulation, say Y/M here.
+
+config ISDN_CAPI_CAPIDRV_VERBOSE
+	bool "Verbose reason code reporting"
+	depends on ISDN_CAPI_CAPIDRV
+	help
+	  If you say Y here, the capidrv interface will give verbose reasons
+	  for disconnecting. This will increase the size of the kernel by 7 KB.
+	  If unsure, say N.
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index ac6f72b..f9a87ed 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1271,7 +1271,7 @@ static int __init capinc_tty_init(void)
 		return -ENOMEM;
 	}
 	drv->driver_name = "capi_nc";
-	drv->name = "capi";
+	drv->name = "capi!";
 	drv->major = 0;
 	drv->minor_start = 0;
 	drv->type = TTY_DRIVER_TYPE_SERIAL;
@@ -1417,7 +1417,7 @@ static int __init capi_init(void)
 		return PTR_ERR(capi_class);
 	}
 
-	device_create(capi_class, NULL, MKDEV(capi_major, 0), NULL, "capi");
+	device_create(capi_class, NULL, MKDEV(capi_major, 0), NULL, "capi20");
 
 	if (capinc_tty_init() < 0) {
 		device_destroy(capi_class, MKDEV(capi_major, 0));
diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c
index cc9f192..fd6d28f 100644
--- a/drivers/isdn/capi/capidrv.c
+++ b/drivers/isdn/capi/capidrv.c
@@ -763,6 +763,201 @@ static inline int new_bchan(capidrv_contr *card)
 }
 
 /* ------------------------------------------------------------------- */
+static char *capi_info2str(u16 reason)
+{
+#ifndef CONFIG_ISDN_CAPI_CAPIDRV_VERBOSE
+	return "..";
+#else
+	switch (reason) {
+
+/*-- informative values (corresponding message was processed) -----*/
+	case 0x0001:
+		return "NCPI not supported by current protocol, NCPI ignored";
+	case 0x0002:
+		return "Flags not supported by current protocol, flags ignored";
+	case 0x0003:
+		return "Alert already sent by another application";
+
+/*-- error information concerning CAPI_REGISTER -----*/
+	case 0x1001:
+		return "Too many applications";
+	case 0x1002:
+		return "Logical block size too small, must be at least 128 Bytes";
+	case 0x1003:
+		return "Buffer exceeds 64 kByte";
+	case 0x1004:
+		return "Message buffer size too small, must be at least 1024 Bytes";
+	case 0x1005:
+		return "Max. number of logical connections not supported";
+	case 0x1006:
+		return "Reserved";
+	case 0x1007:
+		return "The message could not be accepted because of an internal busy condition";
+	case 0x1008:
+		return "OS resource error (no memory ?)";
+	case 0x1009:
+		return "CAPI not installed";
+	case 0x100A:
+		return "Controller does not support external equipment";
+	case 0x100B:
+		return "Controller does only support external equipment";
+
+/*-- error information concerning message exchange functions -----*/
+	case 0x1101:
+		return "Illegal application number";
+	case 0x1102:
+		return "Illegal command or subcommand or message length less than 12 bytes";
+	case 0x1103:
+		return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI";
+	case 0x1104:
+		return "Queue is empty";
+	case 0x1105:
+		return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
+	case 0x1106:
+		return "Unknown notification parameter";
+	case 0x1107:
+		return "The Message could not be accepted because of an internal busy condition";
+	case 0x1108:
+		return "OS Resource error (no memory ?)";
+	case 0x1109:
+		return "CAPI not installed";
+	case 0x110A:
+		return "Controller does not support external equipment";
+	case 0x110B:
+		return "Controller does only support external equipment";
+
+/*-- error information concerning resource / coding problems -----*/
+	case 0x2001:
+		return "Message not supported in current state";
+	case 0x2002:
+		return "Illegal Controller / PLCI / NCCI";
+	case 0x2003:
+		return "Out of PLCI";
+	case 0x2004:
+		return "Out of NCCI";
+	case 0x2005:
+		return "Out of LISTEN";
+	case 0x2006:
+		return "Out of FAX resources (protocol T.30)";
+	case 0x2007:
+		return "Illegal message parameter coding";
+
+/*-- error information concerning requested services  -----*/
+	case 0x3001:
+		return "B1 protocol not supported";
+	case 0x3002:
+		return "B2 protocol not supported";
+	case 0x3003:
+		return "B3 protocol not supported";
+	case 0x3004:
+		return "B1 protocol parameter not supported";
+	case 0x3005:
+		return "B2 protocol parameter not supported";
+	case 0x3006:
+		return "B3 protocol parameter not supported";
+	case 0x3007:
+		return "B protocol combination not supported";
+	case 0x3008:
+		return "NCPI not supported";
+	case 0x3009:
+		return "CIP Value unknown";
+	case 0x300A:
+		return "Flags not supported (reserved bits)";
+	case 0x300B:
+		return "Facility not supported";
+	case 0x300C:
+		return "Data length not supported by current protocol";
+	case 0x300D:
+		return "Reset procedure not supported by current protocol";
+
+/*-- informations about the clearing of a physical connection -----*/
+	case 0x3301:
+		return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
+	case 0x3302:
+		return "Protocol error layer 2";
+	case 0x3303:
+		return "Protocol error layer 3";
+	case 0x3304:
+		return "Another application got that call";
+/*-- T.30 specific reasons -----*/
+	case 0x3311:
+		return "Connecting not successful (remote station is no FAX G3 machine)";
+	case 0x3312:
+		return "Connecting not successful (training error)";
+	case 0x3313:
+		return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
+	case 0x3314:
+		return "Disconnected during transfer (remote abort)";
+	case 0x3315:
+		return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
+	case 0x3316:
+		return "Disconnected during transfer (local tx data underrun)";
+	case 0x3317:
+		return "Disconnected during transfer (local rx data overflow)";
+	case 0x3318:
+		return "Disconnected during transfer (local abort)";
+	case 0x3319:
+		return "Illegal parameter coding (e.g. SFF coding error)";
+
+/*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
+	case 0x3481: return "Unallocated (unassigned) number";
+	case 0x3482: return "No route to specified transit network";
+	case 0x3483: return "No route to destination";
+	case 0x3486: return "Channel unacceptable";
+	case 0x3487:
+		return "Call awarded and being delivered in an established channel";
+	case 0x3490: return "Normal call clearing";
+	case 0x3491: return "User busy";
+	case 0x3492: return "No user responding";
+	case 0x3493: return "No answer from user (user alerted)";
+	case 0x3495: return "Call rejected";
+	case 0x3496: return "Number changed";
+	case 0x349A: return "Non-selected user clearing";
+	case 0x349B: return "Destination out of order";
+	case 0x349C: return "Invalid number format";
+	case 0x349D: return "Facility rejected";
+	case 0x349E: return "Response to STATUS ENQUIRY";
+	case 0x349F: return "Normal, unspecified";
+	case 0x34A2: return "No circuit / channel available";
+	case 0x34A6: return "Network out of order";
+	case 0x34A9: return "Temporary failure";
+	case 0x34AA: return "Switching equipment congestion";
+	case 0x34AB: return "Access information discarded";
+	case 0x34AC: return "Requested circuit / channel not available";
+	case 0x34AF: return "Resources unavailable, unspecified";
+	case 0x34B1: return "Quality of service unavailable";
+	case 0x34B2: return "Requested facility not subscribed";
+	case 0x34B9: return "Bearer capability not authorized";
+	case 0x34BA: return "Bearer capability not presently available";
+	case 0x34BF: return "Service or option not available, unspecified";
+	case 0x34C1: return "Bearer capability not implemented";
+	case 0x34C2: return "Channel type not implemented";
+	case 0x34C5: return "Requested facility not implemented";
+	case 0x34C6: return "Only restricted digital information bearer capability is available";
+	case 0x34CF: return "Service or option not implemented, unspecified";
+	case 0x34D1: return "Invalid call reference value";
+	case 0x34D2: return "Identified channel does not exist";
+	case 0x34D3: return "A suspended call exists, but this call identity does not";
+	case 0x34D4: return "Call identity in use";
+	case 0x34D5: return "No call suspended";
+	case 0x34D6: return "Call having the requested call identity has been cleared";
+	case 0x34D8: return "Incompatible destination";
+	case 0x34DB: return "Invalid transit network selection";
+	case 0x34DF: return "Invalid message, unspecified";
+	case 0x34E0: return "Mandatory information element is missing";
+	case 0x34E1: return "Message type non-existent or not implemented";
+	case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
+	case 0x34E3: return "Information element non-existent or not implemented";
+	case 0x34E4: return "Invalid information element contents";
+	case 0x34E5: return "Message not compatible with call state";
+	case 0x34E6: return "Recovery on timer expiry";
+	case 0x34EF: return "Protocol error, unspecified";
+	case 0x34FF: return "Interworking, unspecified";
+
+	default: return "No additional information";
+	}
+#endif
+}
 
 static void handle_controller(_cmsg *cmsg)
 {
diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c
index d26f170..6e797e5 100644
--- a/drivers/isdn/capi/capiutil.c
+++ b/drivers/isdn/capi/capiutil.c
@@ -22,205 +22,6 @@
 
 /* from CAPI2.0 DDK AVM Berlin GmbH */
 
-#ifndef CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON
-char *capi_info2str(u16 reason)
-{
-	return "..";
-}
-#else
-char *capi_info2str(u16 reason)
-{
-	switch (reason) {
-
-/*-- informative values (corresponding message was processed) -----*/
-	case 0x0001:
-		return "NCPI not supported by current protocol, NCPI ignored";
-	case 0x0002:
-		return "Flags not supported by current protocol, flags ignored";
-	case 0x0003:
-		return "Alert already sent by another application";
-
-/*-- error information concerning CAPI_REGISTER -----*/
-	case 0x1001:
-		return "Too many applications";
-	case 0x1002:
-		return "Logical block size too small, must be at least 128 Bytes";
-	case 0x1003:
-		return "Buffer exceeds 64 kByte";
-	case 0x1004:
-		return "Message buffer size too small, must be at least 1024 Bytes";
-	case 0x1005:
-		return "Max. number of logical connections not supported";
-	case 0x1006:
-		return "Reserved";
-	case 0x1007:
-		return "The message could not be accepted because of an internal busy condition";
-	case 0x1008:
-		return "OS resource error (no memory ?)";
-	case 0x1009:
-		return "CAPI not installed";
-	case 0x100A:
-		return "Controller does not support external equipment";
-	case 0x100B:
-		return "Controller does only support external equipment";
-
-/*-- error information concerning message exchange functions -----*/
-	case 0x1101:
-		return "Illegal application number";
-	case 0x1102:
-		return "Illegal command or subcommand or message length less than 12 bytes";
-	case 0x1103:
-		return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI";
-	case 0x1104:
-		return "Queue is empty";
-	case 0x1105:
-		return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE";
-	case 0x1106:
-		return "Unknown notification parameter";
-	case 0x1107:
-		return "The Message could not be accepted because of an internal busy condition";
-	case 0x1108:
-		return "OS Resource error (no memory ?)";
-	case 0x1109:
-		return "CAPI not installed";
-	case 0x110A:
-		return "Controller does not support external equipment";
-	case 0x110B:
-		return "Controller does only support external equipment";
-
-/*-- error information concerning resource / coding problems -----*/
-	case 0x2001:
-		return "Message not supported in current state";
-	case 0x2002:
-		return "Illegal Controller / PLCI / NCCI";
-	case 0x2003:
-		return "Out of PLCI";
-	case 0x2004:
-		return "Out of NCCI";
-	case 0x2005:
-		return "Out of LISTEN";
-	case 0x2006:
-		return "Out of FAX resources (protocol T.30)";
-	case 0x2007:
-		return "Illegal message parameter coding";
-
-/*-- error information concerning requested services  -----*/
-	case 0x3001:
-		return "B1 protocol not supported";
-	case 0x3002:
-		return "B2 protocol not supported";
-	case 0x3003:
-		return "B3 protocol not supported";
-	case 0x3004:
-		return "B1 protocol parameter not supported";
-	case 0x3005:
-		return "B2 protocol parameter not supported";
-	case 0x3006:
-		return "B3 protocol parameter not supported";
-	case 0x3007:
-		return "B protocol combination not supported";
-	case 0x3008:
-		return "NCPI not supported";
-	case 0x3009:
-		return "CIP Value unknown";
-	case 0x300A:
-		return "Flags not supported (reserved bits)";
-	case 0x300B:
-		return "Facility not supported";
-	case 0x300C:
-		return "Data length not supported by current protocol";
-	case 0x300D:
-		return "Reset procedure not supported by current protocol";
-
-/*-- informations about the clearing of a physical connection -----*/
-	case 0x3301:
-		return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)";
-	case 0x3302:
-		return "Protocol error layer 2";
-	case 0x3303:
-		return "Protocol error layer 3";
-	case 0x3304:
-		return "Another application got that call";
-/*-- T.30 specific reasons -----*/
-	case 0x3311:
-		return "Connecting not successful (remote station is no FAX G3 machine)";
-	case 0x3312:
-		return "Connecting not successful (training error)";
-	case 0x3313:
-		return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)";
-	case 0x3314:
-		return "Disconnected during transfer (remote abort)";
-	case 0x3315:
-		return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)";
-	case 0x3316:
-		return "Disconnected during transfer (local tx data underrun)";
-	case 0x3317:
-		return "Disconnected during transfer (local rx data overflow)";
-	case 0x3318:
-		return "Disconnected during transfer (local abort)";
-	case 0x3319:
-		return "Illegal parameter coding (e.g. SFF coding error)";
-
-/*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/
-	case 0x3481: return "Unallocated (unassigned) number";
-	case 0x3482: return "No route to specified transit network";
-	case 0x3483: return "No route to destination";
-	case 0x3486: return "Channel unacceptable";
-	case 0x3487:
-		return "Call awarded and being delivered in an established channel";
-	case 0x3490: return "Normal call clearing";
-	case 0x3491: return "User busy";
-	case 0x3492: return "No user responding";
-	case 0x3493: return "No answer from user (user alerted)";
-	case 0x3495: return "Call rejected";
-	case 0x3496: return "Number changed";
-	case 0x349A: return "Non-selected user clearing";
-	case 0x349B: return "Destination out of order";
-	case 0x349C: return "Invalid number format";
-	case 0x349D: return "Facility rejected";
-	case 0x349E: return "Response to STATUS ENQUIRY";
-	case 0x349F: return "Normal, unspecified";
-	case 0x34A2: return "No circuit / channel available";
-	case 0x34A6: return "Network out of order";
-	case 0x34A9: return "Temporary failure";
-	case 0x34AA: return "Switching equipment congestion";
-	case 0x34AB: return "Access information discarded";
-	case 0x34AC: return "Requested circuit / channel not available";
-	case 0x34AF: return "Resources unavailable, unspecified";
-	case 0x34B1: return "Quality of service unavailable";
-	case 0x34B2: return "Requested facility not subscribed";
-	case 0x34B9: return "Bearer capability not authorized";
-	case 0x34BA: return "Bearer capability not presently available";
-	case 0x34BF: return "Service or option not available, unspecified";
-	case 0x34C1: return "Bearer capability not implemented";
-	case 0x34C2: return "Channel type not implemented";
-	case 0x34C5: return "Requested facility not implemented";
-	case 0x34C6: return "Only restricted digital information bearer capability is available";
-	case 0x34CF: return "Service or option not implemented, unspecified";
-	case 0x34D1: return "Invalid call reference value";
-	case 0x34D2: return "Identified channel does not exist";
-	case 0x34D3: return "A suspended call exists, but this call identity does not";
-	case 0x34D4: return "Call identity in use";
-	case 0x34D5: return "No call suspended";
-	case 0x34D6: return "Call having the requested call identity has been cleared";
-	case 0x34D8: return "Incompatible destination";
-	case 0x34DB: return "Invalid transit network selection";
-	case 0x34DF: return "Invalid message, unspecified";
-	case 0x34E0: return "Mandatory information element is missing";
-	case 0x34E1: return "Message type non-existent or not implemented";
-	case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented";
-	case 0x34E3: return "Information element non-existent or not implemented";
-	case 0x34E4: return "Invalid information element contents";
-	case 0x34E5: return "Message not compatible with call state";
-	case 0x34E6: return "Recovery on timer expiry";
-	case 0x34EF: return "Protocol error, unspecified";
-	case 0x34FF: return "Interworking, unspecified";
-
-	default: return "No additional information";
-	}
-}
-#endif
-
 typedef struct {
 	int typ;
 	size_t off;
@@ -1073,4 +874,3 @@ EXPORT_SYMBOL(capi_cmsg_header);
 EXPORT_SYMBOL(capi_cmd2str);
 EXPORT_SYMBOL(capi_cmsg2str);
 EXPORT_SYMBOL(capi_message2str);
-EXPORT_SYMBOL(capi_info2str);
diff --git a/include/linux/isdn/capiutil.h b/include/linux/isdn/capiutil.h
index 5a52f2c..44bd604 100644
--- a/include/linux/isdn/capiutil.h
+++ b/include/linux/isdn/capiutil.h
@@ -164,11 +164,6 @@ unsigned capi_cmsg_header(_cmsg * cmsg, __u16 _ApplId,
 			  __u8 _Command, __u8 _Subcommand,
 			  __u16 _Messagenumber, __u32 _Controller);
 
-/*
- * capi_info2str generated a readable string for Capi2.0 reasons.
- */
-char *capi_info2str(__u16 reason);
-
 /*-----------------------------------------------------------------------*/
 
 /*