diff options
Diffstat (limited to 'drivers/isdn/capi/capiutil.c')
| -rw-r--r-- | drivers/isdn/capi/capiutil.c | 956 |
1 files changed, 487 insertions, 469 deletions
diff --git a/drivers/isdn/capi/capiutil.c b/drivers/isdn/capi/capiutil.c index c1b21552fc0..6e797e502cf 100644 --- a/drivers/isdn/capi/capiutil.c +++ b/drivers/isdn/capi/capiutil.c @@ -18,208 +18,10 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/isdn/capiutil.h> +#include <linux/slab.h> /* 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; @@ -234,169 +36,169 @@ typedef struct { 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)} + /*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", + /* 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 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) +#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(unsigned c, unsigned sc) @@ -413,9 +215,9 @@ static unsigned command_2_index(unsigned c, unsigned sc) /*-------------------------------------------------------*/ #define TYP (cdef[cmsg->par[cmsg->p]].typ) -#define OFF (((u8 *)cmsg)+cdef[cmsg->par[cmsg->p]].off) +#define OFF (((u8 *)cmsg) + cdef[cmsg->par[cmsg->p]].off) -static void jumpcstruct(_cmsg * cmsg) +static void jumpcstruct(_cmsg *cmsg) { unsigned layer; for (cmsg->p++, layer = 1; layer;) { @@ -432,7 +234,7 @@ static void jumpcstruct(_cmsg * cmsg) } } /*-------------------------------------------------------*/ -static void pars_2_message(_cmsg * cmsg) +static void pars_2_message(_cmsg *cmsg) { for (; TYP != _CEND; cmsg->p++) { @@ -450,7 +252,7 @@ static void pars_2_message(_cmsg * cmsg) cmsg->l += 4; break; case _CSTRUCT: - if (*(u8 **) OFF == 0) { + if (*(u8 **) OFF == NULL) { *(cmsg->m + cmsg->l) = '\0'; cmsg->l++; } else if (**(_cstruct *) OFF != 0xff) { @@ -490,8 +292,15 @@ static void pars_2_message(_cmsg * cmsg) } } -/*-------------------------------------------------------*/ -unsigned capi_cmsg2message(_cmsg * cmsg, u8 * msg) +/** + * 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; @@ -510,7 +319,7 @@ unsigned capi_cmsg2message(_cmsg * cmsg, u8 * msg) } /*-------------------------------------------------------*/ -static void message_2_pars(_cmsg * cmsg) +static void message_2_pars(_cmsg *cmsg) { for (; TYP != _CEND; cmsg->p++) { @@ -553,8 +362,15 @@ static void message_2_pars(_cmsg * cmsg) } } -/*-------------------------------------------------------*/ -unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg) +/** + * 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; @@ -573,8 +389,19 @@ unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg) return 0; } -/*-------------------------------------------------------*/ -unsigned capi_cmsg_header(_cmsg * cmsg, u16 _ApplId, +/** + * 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) { @@ -641,6 +468,14 @@ static char *mnames[] = [0x4e] = "MANUFACTURER_RESP" }; +/** + * capi_cmd2str() - convert CAPI 2.0 command/subcommand number to name + * @cmd: command number + * @subcmd: subcommand number + * + * Return value: static string, NULL if command/subcommand unknown + */ + char *capi_cmd2str(u8 cmd, u8 subcmd) { return mnames[command_2_index(cmd, subcmd)]; @@ -648,99 +483,135 @@ char *capi_cmd2str(u8 cmd, u8 subcmd) /*-------------------------------------------------------*/ + +#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" + /*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" }; -static char buf[8192]; -static char *p = NULL; #include <stdarg.h> /*-------------------------------------------------------*/ -static void bufprint(char *fmt,...) +static _cdebbuf *bufprint(_cdebbuf *cdb, char *fmt, ...) { va_list f; + size_t n, r; + + if (!cdb) + return NULL; va_start(f, fmt); - vsprintf(p, fmt, f); + r = cdb->size - cdb->pos; + n = vsnprintf(cdb->p, r, fmt, f); va_end(f); - p += strlen(p); + 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 void printstructlen(u8 * m, unsigned len) +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) - bufprint(">"); - bufprint("%c", *m); + cdb = bufprint(cdb, ">"); + cdb = bufprint(cdb, "%c", *m); hex = 0; } else { if (!hex) - bufprint("<%02x", *m); + cdb = bufprint(cdb, "<%02x", *m); else - bufprint(" %02x", *m); + cdb = bufprint(cdb, " %02x", *m); hex = 1; } if (hex) - bufprint(">"); + cdb = bufprint(cdb, ">"); + return cdb; } -static void printstruct(u8 * m) +static _cdebbuf *printstruct(_cdebbuf *cdb, u8 *m) { unsigned len; + if (m[0] != 0xff) { len = m[0]; m += 1; @@ -748,42 +619,45 @@ static void printstruct(u8 * m) len = ((u16 *) (m + 1))[0]; m += 3; } - printstructlen(m, len); + cdb = printstructlen(cdb, m, len); + return cdb; } /*-------------------------------------------------------*/ #define NAME (pnames[cmsg->par[cmsg->p]]) -static void protocol_message_2_pars(_cmsg * cmsg, int level) +static _cdebbuf *protocol_message_2_pars(_cdebbuf *cdb, _cmsg *cmsg, int level) { for (; TYP != _CEND; cmsg->p++) { int slen = 29 + 3 - level; int i; - bufprint(" "); + if (!cdb) + return NULL; + cdb = bufprint(cdb, " "); for (i = 0; i < level - 1; i++) - bufprint(" "); + cdb = bufprint(cdb, " "); switch (TYP) { case _CBYTE: - bufprint("%-*s = 0x%x\n", slen, NAME, *(u8 *) (cmsg->m + cmsg->l)); + cdb = bufprint(cdb, "%-*s = 0x%x\n", slen, NAME, *(u8 *) (cmsg->m + cmsg->l)); cmsg->l++; break; case _CWORD: - bufprint("%-*s = 0x%x\n", slen, NAME, *(u16 *) (cmsg->m + cmsg->l)); + cdb = bufprint(cdb, "%-*s = 0x%x\n", slen, NAME, *(u16 *) (cmsg->m + cmsg->l)); cmsg->l += 2; break; case _CDWORD: - bufprint("%-*s = 0x%lx\n", slen, NAME, *(u32 *) (cmsg->m + cmsg->l)); + cdb = bufprint(cdb, "%-*s = 0x%lx\n", slen, NAME, *(u32 *) (cmsg->m + cmsg->l)); cmsg->l += 4; break; case _CSTRUCT: - bufprint("%-*s = ", slen, NAME); + cdb = bufprint(cdb, "%-*s = ", slen, NAME); if (cmsg->m[cmsg->l] == '\0') - bufprint("default"); + cdb = bufprint(cdb, "default"); else - printstruct(cmsg->m + cmsg->l); - bufprint("\n"); + 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 @@ -794,65 +668,209 @@ static void protocol_message_2_pars(_cmsg * cmsg, int level) case _CMSTRUCT: /*----- Metastruktur 0 -----*/ if (cmsg->m[cmsg->l] == '\0') { - bufprint("%-*s = default\n", slen, NAME); + cdb = bufprint(cdb, "%-*s = default\n", slen, NAME); cmsg->l++; jumpcstruct(cmsg); } else { char *name = NAME; unsigned _l = cmsg->l; - bufprint("%-*s\n", slen, name); + cdb = bufprint(cdb, "%-*s\n", slen, name); cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1; cmsg->p++; - protocol_message_2_pars(cmsg, level + 1); + cdb = protocol_message_2_pars(cdb, cmsg, level + 1); } break; } } + return cdb; } /*-------------------------------------------------------*/ -char *capi_message2str(u8 * msg) + +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; +} - _cmsg cmsg; - p = buf; - p[0] = 0; - - cmsg.m = msg; - cmsg.l = 8; - cmsg.p = 0; - byteTRcpy(cmsg.m + 4, &cmsg.Command); - byteTRcpy(cmsg.m + 5, &cmsg.Subcommand); - cmsg.par = cpars[command_2_index(cmsg.Command, cmsg.Subcommand)]; - - bufprint("%-26s ID=%03d #0x%04x LEN=%04d\n", - mnames[command_2_index(cmsg.Command, cmsg.Subcommand)], - ((unsigned short *) msg)[1], - ((unsigned short *) msg)[3], - ((unsigned short *) msg)[0]); - - protocol_message_2_pars(&cmsg, 1); - return buf; +/** + * 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); } -char *capi_cmsg2str(_cmsg * cmsg) + +/** + * 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) { - p = buf; - p[0] = 0; + _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; - bufprint("%s ID=%03d #0x%04x LEN=%04d\n", - mnames[command_2_index(cmsg->Command, cmsg->Subcommand)], - ((u16 *) cmsg->m)[1], - ((u16 *) cmsg->m)[3], - ((u16 *) cmsg->m)[0]); - protocol_message_2_pars(cmsg, 1); - return buf; + byteTRcpy(cmsg->m + 4, &cmsg->Command); + byteTRcpy(cmsg->m + 5, &cmsg->Subcommand); + cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)]; + + cdb = bufprint(cdb, "%-26s ID=%03d #0x%04x LEN=%04d\n", + mnames[command_2_index(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; +} + +/** + * 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", + mnames[command_2_index(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); + 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 __exit 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 __exit 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); -EXPORT_SYMBOL(capi_info2str); |