Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: capiutil.c,v 1.13.6.4 2001/09/23 22:24:33 kai Exp $ |
| 2 | * |
| 3 | * CAPI 2.0 convert capi message to capi message struct |
| 4 | * |
| 5 | * From CAPI 2.0 Development Kit AVM 1995 (msg.c) |
| 6 | * Rewritten for Linux 1996 by Carsten Paeth <calle@calle.de> |
| 7 | * |
| 8 | * This software may be used and distributed according to the terms |
| 9 | * of the GNU General Public License, incorporated herein by reference. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/string.h> |
| 15 | #include <linux/ctype.h> |
| 16 | #include <linux/stddef.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/mm.h> |
| 19 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include <linux/isdn/capiutil.h> |
| 21 | |
| 22 | /* from CAPI2.0 DDK AVM Berlin GmbH */ |
| 23 | |
| 24 | #ifndef CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON |
| 25 | char *capi_info2str(u16 reason) |
| 26 | { |
| 27 | return ".."; |
| 28 | } |
| 29 | #else |
| 30 | char *capi_info2str(u16 reason) |
| 31 | { |
| 32 | switch (reason) { |
| 33 | |
| 34 | /*-- informative values (corresponding message was processed) -----*/ |
| 35 | case 0x0001: |
| 36 | return "NCPI not supported by current protocol, NCPI ignored"; |
| 37 | case 0x0002: |
| 38 | return "Flags not supported by current protocol, flags ignored"; |
| 39 | case 0x0003: |
| 40 | return "Alert already sent by another application"; |
| 41 | |
| 42 | /*-- error information concerning CAPI_REGISTER -----*/ |
| 43 | case 0x1001: |
| 44 | return "Too many applications"; |
| 45 | case 0x1002: |
| 46 | return "Logical block size too small, must be at least 128 Bytes"; |
| 47 | case 0x1003: |
| 48 | return "Buffer exceeds 64 kByte"; |
| 49 | case 0x1004: |
| 50 | return "Message buffer size too small, must be at least 1024 Bytes"; |
| 51 | case 0x1005: |
| 52 | return "Max. number of logical connections not supported"; |
| 53 | case 0x1006: |
| 54 | return "Reserved"; |
| 55 | case 0x1007: |
| 56 | return "The message could not be accepted because of an internal busy condition"; |
| 57 | case 0x1008: |
| 58 | return "OS resource error (no memory ?)"; |
| 59 | case 0x1009: |
| 60 | return "CAPI not installed"; |
| 61 | case 0x100A: |
| 62 | return "Controller does not support external equipment"; |
| 63 | case 0x100B: |
| 64 | return "Controller does only support external equipment"; |
| 65 | |
| 66 | /*-- error information concerning message exchange functions -----*/ |
| 67 | case 0x1101: |
| 68 | return "Illegal application number"; |
| 69 | case 0x1102: |
| 70 | return "Illegal command or subcommand or message length less than 12 bytes"; |
| 71 | case 0x1103: |
| 72 | 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"; |
| 73 | case 0x1104: |
| 74 | return "Queue is empty"; |
| 75 | case 0x1105: |
| 76 | return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE"; |
| 77 | case 0x1106: |
| 78 | return "Unknown notification parameter"; |
| 79 | case 0x1107: |
| 80 | return "The Message could not be accepted because of an internal busy condition"; |
| 81 | case 0x1108: |
| 82 | return "OS Resource error (no memory ?)"; |
| 83 | case 0x1109: |
| 84 | return "CAPI not installed"; |
| 85 | case 0x110A: |
| 86 | return "Controller does not support external equipment"; |
| 87 | case 0x110B: |
| 88 | return "Controller does only support external equipment"; |
| 89 | |
| 90 | /*-- error information concerning resource / coding problems -----*/ |
| 91 | case 0x2001: |
| 92 | return "Message not supported in current state"; |
| 93 | case 0x2002: |
| 94 | return "Illegal Controller / PLCI / NCCI"; |
| 95 | case 0x2003: |
| 96 | return "Out of PLCI"; |
| 97 | case 0x2004: |
| 98 | return "Out of NCCI"; |
| 99 | case 0x2005: |
| 100 | return "Out of LISTEN"; |
| 101 | case 0x2006: |
| 102 | return "Out of FAX resources (protocol T.30)"; |
| 103 | case 0x2007: |
| 104 | return "Illegal message parameter coding"; |
| 105 | |
| 106 | /*-- error information concerning requested services -----*/ |
| 107 | case 0x3001: |
| 108 | return "B1 protocol not supported"; |
| 109 | case 0x3002: |
| 110 | return "B2 protocol not supported"; |
| 111 | case 0x3003: |
| 112 | return "B3 protocol not supported"; |
| 113 | case 0x3004: |
| 114 | return "B1 protocol parameter not supported"; |
| 115 | case 0x3005: |
| 116 | return "B2 protocol parameter not supported"; |
| 117 | case 0x3006: |
| 118 | return "B3 protocol parameter not supported"; |
| 119 | case 0x3007: |
| 120 | return "B protocol combination not supported"; |
| 121 | case 0x3008: |
| 122 | return "NCPI not supported"; |
| 123 | case 0x3009: |
| 124 | return "CIP Value unknown"; |
| 125 | case 0x300A: |
| 126 | return "Flags not supported (reserved bits)"; |
| 127 | case 0x300B: |
| 128 | return "Facility not supported"; |
| 129 | case 0x300C: |
| 130 | return "Data length not supported by current protocol"; |
| 131 | case 0x300D: |
| 132 | return "Reset procedure not supported by current protocol"; |
| 133 | |
| 134 | /*-- informations about the clearing of a physical connection -----*/ |
| 135 | case 0x3301: |
| 136 | return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)"; |
| 137 | case 0x3302: |
| 138 | return "Protocol error layer 2"; |
| 139 | case 0x3303: |
| 140 | return "Protocol error layer 3"; |
| 141 | case 0x3304: |
| 142 | return "Another application got that call"; |
| 143 | /*-- T.30 specific reasons -----*/ |
| 144 | case 0x3311: |
| 145 | return "Connecting not successful (remote station is no FAX G3 machine)"; |
| 146 | case 0x3312: |
| 147 | return "Connecting not successful (training error)"; |
| 148 | case 0x3313: |
| 149 | return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)"; |
| 150 | case 0x3314: |
| 151 | return "Disconnected during transfer (remote abort)"; |
| 152 | case 0x3315: |
| 153 | return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)"; |
| 154 | case 0x3316: |
| 155 | return "Disconnected during transfer (local tx data underrun)"; |
| 156 | case 0x3317: |
| 157 | return "Disconnected during transfer (local rx data overflow)"; |
| 158 | case 0x3318: |
| 159 | return "Disconnected during transfer (local abort)"; |
| 160 | case 0x3319: |
| 161 | return "Illegal parameter coding (e.g. SFF coding error)"; |
| 162 | |
| 163 | /*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/ |
| 164 | case 0x3481: return "Unallocated (unassigned) number"; |
| 165 | case 0x3482: return "No route to specified transit network"; |
| 166 | case 0x3483: return "No route to destination"; |
| 167 | case 0x3486: return "Channel unacceptable"; |
| 168 | case 0x3487: |
| 169 | return "Call awarded and being delivered in an established channel"; |
| 170 | case 0x3490: return "Normal call clearing"; |
| 171 | case 0x3491: return "User busy"; |
| 172 | case 0x3492: return "No user responding"; |
| 173 | case 0x3493: return "No answer from user (user alerted)"; |
| 174 | case 0x3495: return "Call rejected"; |
| 175 | case 0x3496: return "Number changed"; |
| 176 | case 0x349A: return "Non-selected user clearing"; |
| 177 | case 0x349B: return "Destination out of order"; |
| 178 | case 0x349C: return "Invalid number format"; |
| 179 | case 0x349D: return "Facility rejected"; |
| 180 | case 0x349E: return "Response to STATUS ENQUIRY"; |
| 181 | case 0x349F: return "Normal, unspecified"; |
| 182 | case 0x34A2: return "No circuit / channel available"; |
| 183 | case 0x34A6: return "Network out of order"; |
| 184 | case 0x34A9: return "Temporary failure"; |
| 185 | case 0x34AA: return "Switching equipment congestion"; |
| 186 | case 0x34AB: return "Access information discarded"; |
| 187 | case 0x34AC: return "Requested circuit / channel not available"; |
| 188 | case 0x34AF: return "Resources unavailable, unspecified"; |
| 189 | case 0x34B1: return "Quality of service unavailable"; |
| 190 | case 0x34B2: return "Requested facility not subscribed"; |
| 191 | case 0x34B9: return "Bearer capability not authorized"; |
| 192 | case 0x34BA: return "Bearer capability not presently available"; |
| 193 | case 0x34BF: return "Service or option not available, unspecified"; |
| 194 | case 0x34C1: return "Bearer capability not implemented"; |
| 195 | case 0x34C2: return "Channel type not implemented"; |
| 196 | case 0x34C5: return "Requested facility not implemented"; |
| 197 | case 0x34C6: return "Only restricted digital information bearer capability is available"; |
| 198 | case 0x34CF: return "Service or option not implemented, unspecified"; |
| 199 | case 0x34D1: return "Invalid call reference value"; |
| 200 | case 0x34D2: return "Identified channel does not exist"; |
| 201 | case 0x34D3: return "A suspended call exists, but this call identity does not"; |
| 202 | case 0x34D4: return "Call identity in use"; |
| 203 | case 0x34D5: return "No call suspended"; |
| 204 | case 0x34D6: return "Call having the requested call identity has been cleared"; |
| 205 | case 0x34D8: return "Incompatible destination"; |
| 206 | case 0x34DB: return "Invalid transit network selection"; |
| 207 | case 0x34DF: return "Invalid message, unspecified"; |
| 208 | case 0x34E0: return "Mandatory information element is missing"; |
| 209 | case 0x34E1: return "Message type non-existent or not implemented"; |
| 210 | case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented"; |
| 211 | case 0x34E3: return "Information element non-existent or not implemented"; |
| 212 | case 0x34E4: return "Invalid information element contents"; |
| 213 | case 0x34E5: return "Message not compatible with call state"; |
| 214 | case 0x34E6: return "Recovery on timer expiry"; |
| 215 | case 0x34EF: return "Protocol error, unspecified"; |
| 216 | case 0x34FF: return "Interworking, unspecified"; |
| 217 | |
| 218 | default: return "No additional information"; |
| 219 | } |
| 220 | } |
| 221 | #endif |
| 222 | |
| 223 | typedef struct { |
| 224 | int typ; |
| 225 | size_t off; |
| 226 | } _cdef; |
| 227 | |
| 228 | #define _CBYTE 1 |
| 229 | #define _CWORD 2 |
| 230 | #define _CDWORD 3 |
| 231 | #define _CSTRUCT 4 |
| 232 | #define _CMSTRUCT 5 |
| 233 | #define _CEND 6 |
| 234 | |
| 235 | static _cdef cdef[] = |
| 236 | { |
| 237 | /*00 */ |
| 238 | {_CEND}, |
| 239 | /*01 */ |
| 240 | {_CEND}, |
| 241 | /*02 */ |
| 242 | {_CEND}, |
| 243 | /*03 */ |
| 244 | {_CDWORD, offsetof(_cmsg, adr.adrController)}, |
| 245 | /*04 */ |
| 246 | {_CMSTRUCT, offsetof(_cmsg, AdditionalInfo)}, |
| 247 | /*05 */ |
| 248 | {_CSTRUCT, offsetof(_cmsg, B1configuration)}, |
| 249 | /*06 */ |
| 250 | {_CWORD, offsetof(_cmsg, B1protocol)}, |
| 251 | /*07 */ |
| 252 | {_CSTRUCT, offsetof(_cmsg, B2configuration)}, |
| 253 | /*08 */ |
| 254 | {_CWORD, offsetof(_cmsg, B2protocol)}, |
| 255 | /*09 */ |
| 256 | {_CSTRUCT, offsetof(_cmsg, B3configuration)}, |
| 257 | /*0a */ |
| 258 | {_CWORD, offsetof(_cmsg, B3protocol)}, |
| 259 | /*0b */ |
| 260 | {_CSTRUCT, offsetof(_cmsg, BC)}, |
| 261 | /*0c */ |
| 262 | {_CSTRUCT, offsetof(_cmsg, BChannelinformation)}, |
| 263 | /*0d */ |
| 264 | {_CMSTRUCT, offsetof(_cmsg, BProtocol)}, |
| 265 | /*0e */ |
| 266 | {_CSTRUCT, offsetof(_cmsg, CalledPartyNumber)}, |
| 267 | /*0f */ |
| 268 | {_CSTRUCT, offsetof(_cmsg, CalledPartySubaddress)}, |
| 269 | /*10 */ |
| 270 | {_CSTRUCT, offsetof(_cmsg, CallingPartyNumber)}, |
| 271 | /*11 */ |
| 272 | {_CSTRUCT, offsetof(_cmsg, CallingPartySubaddress)}, |
| 273 | /*12 */ |
| 274 | {_CDWORD, offsetof(_cmsg, CIPmask)}, |
| 275 | /*13 */ |
| 276 | {_CDWORD, offsetof(_cmsg, CIPmask2)}, |
| 277 | /*14 */ |
| 278 | {_CWORD, offsetof(_cmsg, CIPValue)}, |
| 279 | /*15 */ |
| 280 | {_CDWORD, offsetof(_cmsg, Class)}, |
| 281 | /*16 */ |
| 282 | {_CSTRUCT, offsetof(_cmsg, ConnectedNumber)}, |
| 283 | /*17 */ |
| 284 | {_CSTRUCT, offsetof(_cmsg, ConnectedSubaddress)}, |
| 285 | /*18 */ |
| 286 | {_CDWORD, offsetof(_cmsg, Data)}, |
| 287 | /*19 */ |
| 288 | {_CWORD, offsetof(_cmsg, DataHandle)}, |
| 289 | /*1a */ |
| 290 | {_CWORD, offsetof(_cmsg, DataLength)}, |
| 291 | /*1b */ |
| 292 | {_CSTRUCT, offsetof(_cmsg, FacilityConfirmationParameter)}, |
| 293 | /*1c */ |
| 294 | {_CSTRUCT, offsetof(_cmsg, Facilitydataarray)}, |
| 295 | /*1d */ |
| 296 | {_CSTRUCT, offsetof(_cmsg, FacilityIndicationParameter)}, |
| 297 | /*1e */ |
| 298 | {_CSTRUCT, offsetof(_cmsg, FacilityRequestParameter)}, |
| 299 | /*1f */ |
| 300 | {_CWORD, offsetof(_cmsg, FacilitySelector)}, |
| 301 | /*20 */ |
| 302 | {_CWORD, offsetof(_cmsg, Flags)}, |
| 303 | /*21 */ |
| 304 | {_CDWORD, offsetof(_cmsg, Function)}, |
| 305 | /*22 */ |
| 306 | {_CSTRUCT, offsetof(_cmsg, HLC)}, |
| 307 | /*23 */ |
| 308 | {_CWORD, offsetof(_cmsg, Info)}, |
| 309 | /*24 */ |
| 310 | {_CSTRUCT, offsetof(_cmsg, InfoElement)}, |
| 311 | /*25 */ |
| 312 | {_CDWORD, offsetof(_cmsg, InfoMask)}, |
| 313 | /*26 */ |
| 314 | {_CWORD, offsetof(_cmsg, InfoNumber)}, |
| 315 | /*27 */ |
| 316 | {_CSTRUCT, offsetof(_cmsg, Keypadfacility)}, |
| 317 | /*28 */ |
| 318 | {_CSTRUCT, offsetof(_cmsg, LLC)}, |
| 319 | /*29 */ |
| 320 | {_CSTRUCT, offsetof(_cmsg, ManuData)}, |
| 321 | /*2a */ |
| 322 | {_CDWORD, offsetof(_cmsg, ManuID)}, |
| 323 | /*2b */ |
| 324 | {_CSTRUCT, offsetof(_cmsg, NCPI)}, |
| 325 | /*2c */ |
| 326 | {_CWORD, offsetof(_cmsg, Reason)}, |
| 327 | /*2d */ |
| 328 | {_CWORD, offsetof(_cmsg, Reason_B3)}, |
| 329 | /*2e */ |
| 330 | {_CWORD, offsetof(_cmsg, Reject)}, |
| 331 | /*2f */ |
| 332 | {_CSTRUCT, offsetof(_cmsg, Useruserdata)} |
| 333 | }; |
| 334 | |
| 335 | static unsigned char *cpars[] = |
| 336 | { |
| 337 | /* ALERT_REQ */ [0x01] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01", |
| 338 | /* 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", |
| 339 | /* DISCONNECT_REQ */ [0x04] = "\x03\x04\x0c\x27\x2f\x1c\x01\x01", |
| 340 | /* LISTEN_REQ */ [0x05] = "\x03\x25\x12\x13\x10\x11\x01", |
| 341 | /* INFO_REQ */ [0x08] = "\x03\x0e\x04\x0c\x27\x2f\x1c\x01\x01", |
| 342 | /* FACILITY_REQ */ [0x09] = "\x03\x1f\x1e\x01", |
| 343 | /* SELECT_B_PROTOCOL_REQ */ [0x0a] = "\x03\x0d\x06\x08\x0a\x05\x07\x09\x01\x01", |
| 344 | /* CONNECT_B3_REQ */ [0x0b] = "\x03\x2b\x01", |
| 345 | /* DISCONNECT_B3_REQ */ [0x0d] = "\x03\x2b\x01", |
| 346 | /* DATA_B3_REQ */ [0x0f] = "\x03\x18\x1a\x19\x20\x01", |
| 347 | /* RESET_B3_REQ */ [0x10] = "\x03\x2b\x01", |
| 348 | /* ALERT_CONF */ [0x13] = "\x03\x23\x01", |
| 349 | /* CONNECT_CONF */ [0x14] = "\x03\x23\x01", |
| 350 | /* DISCONNECT_CONF */ [0x16] = "\x03\x23\x01", |
| 351 | /* LISTEN_CONF */ [0x17] = "\x03\x23\x01", |
| 352 | /* MANUFACTURER_REQ */ [0x18] = "\x03\x2a\x15\x21\x29\x01", |
| 353 | /* INFO_CONF */ [0x1a] = "\x03\x23\x01", |
| 354 | /* FACILITY_CONF */ [0x1b] = "\x03\x23\x1f\x1b\x01", |
| 355 | /* SELECT_B_PROTOCOL_CONF */ [0x1c] = "\x03\x23\x01", |
| 356 | /* CONNECT_B3_CONF */ [0x1d] = "\x03\x23\x01", |
| 357 | /* DISCONNECT_B3_CONF */ [0x1f] = "\x03\x23\x01", |
| 358 | /* DATA_B3_CONF */ [0x21] = "\x03\x19\x23\x01", |
| 359 | /* RESET_B3_CONF */ [0x22] = "\x03\x23\x01", |
| 360 | /* CONNECT_IND */ [0x26] = "\x03\x14\x0e\x10\x0f\x11\x0b\x28\x22\x04\x0c\x27\x2f\x1c\x01\x01", |
| 361 | /* CONNECT_ACTIVE_IND */ [0x27] = "\x03\x16\x17\x28\x01", |
| 362 | /* DISCONNECT_IND */ [0x28] = "\x03\x2c\x01", |
| 363 | /* MANUFACTURER_CONF */ [0x2a] = "\x03\x2a\x15\x21\x29\x01", |
| 364 | /* INFO_IND */ [0x2c] = "\x03\x26\x24\x01", |
| 365 | /* FACILITY_IND */ [0x2d] = "\x03\x1f\x1d\x01", |
| 366 | /* CONNECT_B3_IND */ [0x2f] = "\x03\x2b\x01", |
| 367 | /* CONNECT_B3_ACTIVE_IND */ [0x30] = "\x03\x2b\x01", |
| 368 | /* DISCONNECT_B3_IND */ [0x31] = "\x03\x2d\x2b\x01", |
| 369 | /* DATA_B3_IND */ [0x33] = "\x03\x18\x1a\x19\x20\x01", |
| 370 | /* RESET_B3_IND */ [0x34] = "\x03\x2b\x01", |
| 371 | /* CONNECT_B3_T90_ACTIVE_IND */ [0x35] = "\x03\x2b\x01", |
| 372 | /* CONNECT_RESP */ [0x38] = "\x03\x2e\x0d\x06\x08\x0a\x05\x07\x09\x01\x16\x17\x28\x04\x0c\x27\x2f\x1c\x01\x01", |
| 373 | /* CONNECT_ACTIVE_RESP */ [0x39] = "\x03\x01", |
| 374 | /* DISCONNECT_RESP */ [0x3a] = "\x03\x01", |
| 375 | /* MANUFACTURER_IND */ [0x3c] = "\x03\x2a\x15\x21\x29\x01", |
| 376 | /* INFO_RESP */ [0x3e] = "\x03\x01", |
| 377 | /* FACILITY_RESP */ [0x3f] = "\x03\x1f\x01", |
| 378 | /* CONNECT_B3_RESP */ [0x41] = "\x03\x2e\x2b\x01", |
| 379 | /* CONNECT_B3_ACTIVE_RESP */ [0x42] = "\x03\x01", |
| 380 | /* DISCONNECT_B3_RESP */ [0x43] = "\x03\x01", |
| 381 | /* DATA_B3_RESP */ [0x45] = "\x03\x19\x01", |
| 382 | /* RESET_B3_RESP */ [0x46] = "\x03\x01", |
| 383 | /* CONNECT_B3_T90_ACTIVE_RESP */ [0x47] = "\x03\x01", |
| 384 | /* MANUFACTURER_RESP */ [0x4e] = "\x03\x2a\x15\x21\x29\x01", |
| 385 | }; |
| 386 | |
| 387 | /*-------------------------------------------------------*/ |
| 388 | |
| 389 | #define byteTLcpy(x,y) *(u8 *)(x)=*(u8 *)(y); |
| 390 | #define wordTLcpy(x,y) *(u16 *)(x)=*(u16 *)(y); |
| 391 | #define dwordTLcpy(x,y) memcpy(x,y,4); |
| 392 | #define structTLcpy(x,y,l) memcpy (x,y,l) |
| 393 | #define structTLcpyovl(x,y,l) memmove (x,y,l) |
| 394 | |
| 395 | #define byteTRcpy(x,y) *(u8 *)(y)=*(u8 *)(x); |
| 396 | #define wordTRcpy(x,y) *(u16 *)(y)=*(u16 *)(x); |
| 397 | #define dwordTRcpy(x,y) memcpy(y,x,4); |
| 398 | #define structTRcpy(x,y,l) memcpy (y,x,l) |
| 399 | #define structTRcpyovl(x,y,l) memmove (y,x,l) |
| 400 | |
| 401 | /*-------------------------------------------------------*/ |
| 402 | static unsigned command_2_index(unsigned c, unsigned sc) |
| 403 | { |
| 404 | if (c & 0x80) |
| 405 | c = 0x9 + (c & 0x0f); |
| 406 | else if (c <= 0x0f); |
| 407 | else if (c == 0x41) |
| 408 | c = 0x9 + 0x1; |
| 409 | else if (c == 0xff) |
| 410 | c = 0x00; |
| 411 | return (sc & 3) * (0x9 + 0x9) + c; |
| 412 | } |
| 413 | |
| 414 | /*-------------------------------------------------------*/ |
| 415 | #define TYP (cdef[cmsg->par[cmsg->p]].typ) |
| 416 | #define OFF (((u8 *)cmsg)+cdef[cmsg->par[cmsg->p]].off) |
| 417 | |
| 418 | static void jumpcstruct(_cmsg * cmsg) |
| 419 | { |
| 420 | unsigned layer; |
| 421 | for (cmsg->p++, layer = 1; layer;) { |
| 422 | /* $$$$$ assert (cmsg->p); */ |
| 423 | cmsg->p++; |
| 424 | switch (TYP) { |
| 425 | case _CMSTRUCT: |
| 426 | layer++; |
| 427 | break; |
| 428 | case _CEND: |
| 429 | layer--; |
| 430 | break; |
| 431 | } |
| 432 | } |
| 433 | } |
| 434 | /*-------------------------------------------------------*/ |
| 435 | static void pars_2_message(_cmsg * cmsg) |
| 436 | { |
| 437 | |
| 438 | for (; TYP != _CEND; cmsg->p++) { |
| 439 | switch (TYP) { |
| 440 | case _CBYTE: |
| 441 | byteTLcpy(cmsg->m + cmsg->l, OFF); |
| 442 | cmsg->l++; |
| 443 | break; |
| 444 | case _CWORD: |
| 445 | wordTLcpy(cmsg->m + cmsg->l, OFF); |
| 446 | cmsg->l += 2; |
| 447 | break; |
| 448 | case _CDWORD: |
| 449 | dwordTLcpy(cmsg->m + cmsg->l, OFF); |
| 450 | cmsg->l += 4; |
| 451 | break; |
| 452 | case _CSTRUCT: |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 453 | if (*(u8 **) OFF == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | *(cmsg->m + cmsg->l) = '\0'; |
| 455 | cmsg->l++; |
| 456 | } else if (**(_cstruct *) OFF != 0xff) { |
| 457 | structTLcpy(cmsg->m + cmsg->l, *(_cstruct *) OFF, 1 + **(_cstruct *) OFF); |
| 458 | cmsg->l += 1 + **(_cstruct *) OFF; |
| 459 | } else { |
| 460 | _cstruct s = *(_cstruct *) OFF; |
| 461 | structTLcpy(cmsg->m + cmsg->l, s, 3 + *(u16 *) (s + 1)); |
| 462 | cmsg->l += 3 + *(u16 *) (s + 1); |
| 463 | } |
| 464 | break; |
| 465 | case _CMSTRUCT: |
| 466 | /*----- Metastruktur 0 -----*/ |
| 467 | if (*(_cmstruct *) OFF == CAPI_DEFAULT) { |
| 468 | *(cmsg->m + cmsg->l) = '\0'; |
| 469 | cmsg->l++; |
| 470 | jumpcstruct(cmsg); |
| 471 | } |
| 472 | /*----- Metastruktur wird composed -----*/ |
| 473 | else { |
| 474 | unsigned _l = cmsg->l; |
| 475 | unsigned _ls; |
| 476 | cmsg->l++; |
| 477 | cmsg->p++; |
| 478 | pars_2_message(cmsg); |
| 479 | _ls = cmsg->l - _l - 1; |
| 480 | if (_ls < 255) |
| 481 | (cmsg->m + _l)[0] = (u8) _ls; |
| 482 | else { |
| 483 | structTLcpyovl(cmsg->m + _l + 3, cmsg->m + _l + 1, _ls); |
| 484 | (cmsg->m + _l)[0] = 0xff; |
| 485 | wordTLcpy(cmsg->m + _l + 1, &_ls); |
| 486 | } |
| 487 | } |
| 488 | break; |
| 489 | } |
| 490 | } |
| 491 | } |
| 492 | |
Tilman Schmidt | 4793d15 | 2009-06-07 09:09:23 +0000 | [diff] [blame] | 493 | /** |
| 494 | * capi_cmsg2message() - assemble CAPI 2.0 message from _cmsg structure |
| 495 | * @cmsg: _cmsg structure |
| 496 | * @msg: buffer for assembled message |
| 497 | * |
| 498 | * Return value: 0 for success |
| 499 | */ |
| 500 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | unsigned capi_cmsg2message(_cmsg * cmsg, u8 * msg) |
| 502 | { |
| 503 | cmsg->m = msg; |
| 504 | cmsg->l = 8; |
| 505 | cmsg->p = 0; |
| 506 | cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)]; |
| 507 | |
| 508 | pars_2_message(cmsg); |
| 509 | |
| 510 | wordTLcpy(msg + 0, &cmsg->l); |
| 511 | byteTLcpy(cmsg->m + 4, &cmsg->Command); |
| 512 | byteTLcpy(cmsg->m + 5, &cmsg->Subcommand); |
| 513 | wordTLcpy(cmsg->m + 2, &cmsg->ApplId); |
| 514 | wordTLcpy(cmsg->m + 6, &cmsg->Messagenumber); |
| 515 | |
| 516 | return 0; |
| 517 | } |
| 518 | |
| 519 | /*-------------------------------------------------------*/ |
| 520 | static void message_2_pars(_cmsg * cmsg) |
| 521 | { |
| 522 | for (; TYP != _CEND; cmsg->p++) { |
| 523 | |
| 524 | switch (TYP) { |
| 525 | case _CBYTE: |
| 526 | byteTRcpy(cmsg->m + cmsg->l, OFF); |
| 527 | cmsg->l++; |
| 528 | break; |
| 529 | case _CWORD: |
| 530 | wordTRcpy(cmsg->m + cmsg->l, OFF); |
| 531 | cmsg->l += 2; |
| 532 | break; |
| 533 | case _CDWORD: |
| 534 | dwordTRcpy(cmsg->m + cmsg->l, OFF); |
| 535 | cmsg->l += 4; |
| 536 | break; |
| 537 | case _CSTRUCT: |
| 538 | *(u8 **) OFF = cmsg->m + cmsg->l; |
| 539 | |
| 540 | if (cmsg->m[cmsg->l] != 0xff) |
| 541 | cmsg->l += 1 + cmsg->m[cmsg->l]; |
| 542 | else |
| 543 | cmsg->l += 3 + *(u16 *) (cmsg->m + cmsg->l + 1); |
| 544 | break; |
| 545 | case _CMSTRUCT: |
| 546 | /*----- Metastruktur 0 -----*/ |
| 547 | if (cmsg->m[cmsg->l] == '\0') { |
| 548 | *(_cmstruct *) OFF = CAPI_DEFAULT; |
| 549 | cmsg->l++; |
| 550 | jumpcstruct(cmsg); |
| 551 | } else { |
| 552 | unsigned _l = cmsg->l; |
| 553 | *(_cmstruct *) OFF = CAPI_COMPOSE; |
| 554 | cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1; |
| 555 | cmsg->p++; |
| 556 | message_2_pars(cmsg); |
| 557 | } |
| 558 | break; |
| 559 | } |
| 560 | } |
| 561 | } |
| 562 | |
Tilman Schmidt | 4793d15 | 2009-06-07 09:09:23 +0000 | [diff] [blame] | 563 | /** |
| 564 | * capi_message2cmsg() - disassemble CAPI 2.0 message into _cmsg structure |
| 565 | * @cmsg: _cmsg structure |
| 566 | * @msg: buffer for assembled message |
| 567 | * |
| 568 | * Return value: 0 for success |
| 569 | */ |
| 570 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | unsigned capi_message2cmsg(_cmsg * cmsg, u8 * msg) |
| 572 | { |
| 573 | memset(cmsg, 0, sizeof(_cmsg)); |
| 574 | cmsg->m = msg; |
| 575 | cmsg->l = 8; |
| 576 | cmsg->p = 0; |
| 577 | byteTRcpy(cmsg->m + 4, &cmsg->Command); |
| 578 | byteTRcpy(cmsg->m + 5, &cmsg->Subcommand); |
| 579 | cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)]; |
| 580 | |
| 581 | message_2_pars(cmsg); |
| 582 | |
| 583 | wordTRcpy(msg + 0, &cmsg->l); |
| 584 | wordTRcpy(cmsg->m + 2, &cmsg->ApplId); |
| 585 | wordTRcpy(cmsg->m + 6, &cmsg->Messagenumber); |
| 586 | |
| 587 | return 0; |
| 588 | } |
| 589 | |
Tilman Schmidt | 4793d15 | 2009-06-07 09:09:23 +0000 | [diff] [blame] | 590 | /** |
| 591 | * capi_cmsg_header() - initialize header part of _cmsg structure |
| 592 | * @cmsg: _cmsg structure |
| 593 | * @_ApplId: ApplID field value |
| 594 | * @_Command: Command field value |
| 595 | * @_Subcommand: Subcommand field value |
| 596 | * @_Messagenumber: Message Number field value |
| 597 | * @_Controller: Controller/PLCI/NCCI field value |
| 598 | * |
| 599 | * Return value: 0 for success |
| 600 | */ |
| 601 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | unsigned capi_cmsg_header(_cmsg * cmsg, u16 _ApplId, |
| 603 | u8 _Command, u8 _Subcommand, |
| 604 | u16 _Messagenumber, u32 _Controller) |
| 605 | { |
| 606 | memset(cmsg, 0, sizeof(_cmsg)); |
| 607 | cmsg->ApplId = _ApplId; |
| 608 | cmsg->Command = _Command; |
| 609 | cmsg->Subcommand = _Subcommand; |
| 610 | cmsg->Messagenumber = _Messagenumber; |
| 611 | cmsg->adr.adrController = _Controller; |
| 612 | return 0; |
| 613 | } |
| 614 | |
| 615 | /*-------------------------------------------------------*/ |
| 616 | |
| 617 | static char *mnames[] = |
| 618 | { |
| 619 | [0x01] = "ALERT_REQ", |
| 620 | [0x02] = "CONNECT_REQ", |
| 621 | [0x04] = "DISCONNECT_REQ", |
| 622 | [0x05] = "LISTEN_REQ", |
| 623 | [0x08] = "INFO_REQ", |
| 624 | [0x09] = "FACILITY_REQ", |
| 625 | [0x0a] = "SELECT_B_PROTOCOL_REQ", |
| 626 | [0x0b] = "CONNECT_B3_REQ", |
| 627 | [0x0d] = "DISCONNECT_B3_REQ", |
| 628 | [0x0f] = "DATA_B3_REQ", |
| 629 | [0x10] = "RESET_B3_REQ", |
| 630 | [0x13] = "ALERT_CONF", |
| 631 | [0x14] = "CONNECT_CONF", |
| 632 | [0x16] = "DISCONNECT_CONF", |
| 633 | [0x17] = "LISTEN_CONF", |
| 634 | [0x18] = "MANUFACTURER_REQ", |
| 635 | [0x1a] = "INFO_CONF", |
| 636 | [0x1b] = "FACILITY_CONF", |
| 637 | [0x1c] = "SELECT_B_PROTOCOL_CONF", |
| 638 | [0x1d] = "CONNECT_B3_CONF", |
| 639 | [0x1f] = "DISCONNECT_B3_CONF", |
| 640 | [0x21] = "DATA_B3_CONF", |
| 641 | [0x22] = "RESET_B3_CONF", |
| 642 | [0x26] = "CONNECT_IND", |
| 643 | [0x27] = "CONNECT_ACTIVE_IND", |
| 644 | [0x28] = "DISCONNECT_IND", |
| 645 | [0x2a] = "MANUFACTURER_CONF", |
| 646 | [0x2c] = "INFO_IND", |
| 647 | [0x2d] = "FACILITY_IND", |
| 648 | [0x2f] = "CONNECT_B3_IND", |
| 649 | [0x30] = "CONNECT_B3_ACTIVE_IND", |
| 650 | [0x31] = "DISCONNECT_B3_IND", |
| 651 | [0x33] = "DATA_B3_IND", |
| 652 | [0x34] = "RESET_B3_IND", |
| 653 | [0x35] = "CONNECT_B3_T90_ACTIVE_IND", |
| 654 | [0x38] = "CONNECT_RESP", |
| 655 | [0x39] = "CONNECT_ACTIVE_RESP", |
| 656 | [0x3a] = "DISCONNECT_RESP", |
| 657 | [0x3c] = "MANUFACTURER_IND", |
| 658 | [0x3e] = "INFO_RESP", |
| 659 | [0x3f] = "FACILITY_RESP", |
| 660 | [0x41] = "CONNECT_B3_RESP", |
| 661 | [0x42] = "CONNECT_B3_ACTIVE_RESP", |
| 662 | [0x43] = "DISCONNECT_B3_RESP", |
| 663 | [0x45] = "DATA_B3_RESP", |
| 664 | [0x46] = "RESET_B3_RESP", |
| 665 | [0x47] = "CONNECT_B3_T90_ACTIVE_RESP", |
| 666 | [0x4e] = "MANUFACTURER_RESP" |
| 667 | }; |
| 668 | |
Tilman Schmidt | 4793d15 | 2009-06-07 09:09:23 +0000 | [diff] [blame] | 669 | /** |
| 670 | * capi_cmd2str() - convert CAPI 2.0 command/subcommand number to name |
| 671 | * @cmd: command number |
| 672 | * @subcmd: subcommand number |
| 673 | * |
| 674 | * Return value: static string, NULL if command/subcommand unknown |
| 675 | */ |
| 676 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | char *capi_cmd2str(u8 cmd, u8 subcmd) |
| 678 | { |
| 679 | return mnames[command_2_index(cmd, subcmd)]; |
| 680 | } |
| 681 | |
| 682 | |
| 683 | /*-------------------------------------------------------*/ |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 684 | |
| 685 | #ifdef CONFIG_CAPI_TRACE |
| 686 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | /*-------------------------------------------------------*/ |
| 688 | |
| 689 | static char *pnames[] = |
| 690 | { |
| 691 | /*00 */ NULL, |
| 692 | /*01 */ NULL, |
| 693 | /*02 */ NULL, |
| 694 | /*03 */ "Controller/PLCI/NCCI", |
| 695 | /*04 */ "AdditionalInfo", |
| 696 | /*05 */ "B1configuration", |
| 697 | /*06 */ "B1protocol", |
| 698 | /*07 */ "B2configuration", |
| 699 | /*08 */ "B2protocol", |
| 700 | /*09 */ "B3configuration", |
| 701 | /*0a */ "B3protocol", |
| 702 | /*0b */ "BC", |
| 703 | /*0c */ "BChannelinformation", |
| 704 | /*0d */ "BProtocol", |
| 705 | /*0e */ "CalledPartyNumber", |
| 706 | /*0f */ "CalledPartySubaddress", |
| 707 | /*10 */ "CallingPartyNumber", |
| 708 | /*11 */ "CallingPartySubaddress", |
| 709 | /*12 */ "CIPmask", |
| 710 | /*13 */ "CIPmask2", |
| 711 | /*14 */ "CIPValue", |
| 712 | /*15 */ "Class", |
| 713 | /*16 */ "ConnectedNumber", |
| 714 | /*17 */ "ConnectedSubaddress", |
| 715 | /*18 */ "Data32", |
| 716 | /*19 */ "DataHandle", |
| 717 | /*1a */ "DataLength", |
| 718 | /*1b */ "FacilityConfirmationParameter", |
| 719 | /*1c */ "Facilitydataarray", |
| 720 | /*1d */ "FacilityIndicationParameter", |
| 721 | /*1e */ "FacilityRequestParameter", |
| 722 | /*1f */ "FacilitySelector", |
| 723 | /*20 */ "Flags", |
| 724 | /*21 */ "Function", |
| 725 | /*22 */ "HLC", |
| 726 | /*23 */ "Info", |
| 727 | /*24 */ "InfoElement", |
| 728 | /*25 */ "InfoMask", |
| 729 | /*26 */ "InfoNumber", |
| 730 | /*27 */ "Keypadfacility", |
| 731 | /*28 */ "LLC", |
| 732 | /*29 */ "ManuData", |
| 733 | /*2a */ "ManuID", |
| 734 | /*2b */ "NCPI", |
| 735 | /*2c */ "Reason", |
| 736 | /*2d */ "Reason_B3", |
| 737 | /*2e */ "Reject", |
| 738 | /*2f */ "Useruserdata" |
| 739 | }; |
| 740 | |
| 741 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 742 | |
| 743 | #include <stdarg.h> |
| 744 | |
| 745 | /*-------------------------------------------------------*/ |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 746 | static _cdebbuf *bufprint(_cdebbuf *cdb, char *fmt,...) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 747 | { |
| 748 | va_list f; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 749 | size_t n,r; |
| 750 | |
| 751 | if (!cdb) |
| 752 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | va_start(f, fmt); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 754 | r = cdb->size - cdb->pos; |
| 755 | n = vsnprintf(cdb->p, r, fmt, f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | va_end(f); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 757 | if (n >= r) { |
| 758 | /* truncated, need bigger buffer */ |
| 759 | size_t ns = 2 * cdb->size; |
| 760 | u_char *nb; |
| 761 | |
| 762 | while ((ns - cdb->pos) <= n) |
| 763 | ns *= 2; |
| 764 | nb = kmalloc(ns, GFP_ATOMIC); |
| 765 | if (!nb) { |
| 766 | cdebbuf_free(cdb); |
| 767 | return NULL; |
| 768 | } |
| 769 | memcpy(nb, cdb->buf, cdb->pos); |
| 770 | kfree(cdb->buf); |
| 771 | nb[cdb->pos] = 0; |
| 772 | cdb->buf = nb; |
| 773 | cdb->p = cdb->buf + cdb->pos; |
| 774 | cdb->size = ns; |
| 775 | va_start(f, fmt); |
| 776 | r = cdb->size - cdb->pos; |
| 777 | n = vsnprintf(cdb->p, r, fmt, f); |
| 778 | va_end(f); |
| 779 | } |
| 780 | cdb->p += n; |
| 781 | cdb->pos += n; |
| 782 | return cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | } |
| 784 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 785 | static _cdebbuf *printstructlen(_cdebbuf *cdb, u8 * m, unsigned len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | { |
| 787 | unsigned hex = 0; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 788 | |
| 789 | if (!cdb) |
| 790 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 791 | for (; len; len--, m++) |
| 792 | if (isalnum(*m) || *m == ' ') { |
| 793 | if (hex) |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 794 | cdb = bufprint(cdb, ">"); |
| 795 | cdb = bufprint(cdb, "%c", *m); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | hex = 0; |
| 797 | } else { |
| 798 | if (!hex) |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 799 | cdb = bufprint(cdb, "<%02x", *m); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | else |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 801 | cdb = bufprint(cdb, " %02x", *m); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 802 | hex = 1; |
| 803 | } |
| 804 | if (hex) |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 805 | cdb = bufprint(cdb, ">"); |
| 806 | return cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | } |
| 808 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 809 | static _cdebbuf *printstruct(_cdebbuf *cdb, u8 * m) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | { |
| 811 | unsigned len; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 812 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | if (m[0] != 0xff) { |
| 814 | len = m[0]; |
| 815 | m += 1; |
| 816 | } else { |
| 817 | len = ((u16 *) (m + 1))[0]; |
| 818 | m += 3; |
| 819 | } |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 820 | cdb = printstructlen(cdb, m, len); |
| 821 | return cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 822 | } |
| 823 | |
| 824 | /*-------------------------------------------------------*/ |
| 825 | #define NAME (pnames[cmsg->par[cmsg->p]]) |
| 826 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 827 | static _cdebbuf *protocol_message_2_pars(_cdebbuf *cdb, _cmsg *cmsg, int level) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | { |
| 829 | for (; TYP != _CEND; cmsg->p++) { |
| 830 | int slen = 29 + 3 - level; |
| 831 | int i; |
| 832 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 833 | if (!cdb) |
| 834 | return NULL; |
| 835 | cdb = bufprint(cdb, " "); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | for (i = 0; i < level - 1; i++) |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 837 | cdb = bufprint(cdb, " "); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | |
| 839 | switch (TYP) { |
| 840 | case _CBYTE: |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 841 | cdb = bufprint(cdb, "%-*s = 0x%x\n", slen, NAME, *(u8 *) (cmsg->m + cmsg->l)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 842 | cmsg->l++; |
| 843 | break; |
| 844 | case _CWORD: |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 845 | cdb = bufprint(cdb, "%-*s = 0x%x\n", slen, NAME, *(u16 *) (cmsg->m + cmsg->l)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | cmsg->l += 2; |
| 847 | break; |
| 848 | case _CDWORD: |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 849 | cdb = bufprint(cdb, "%-*s = 0x%lx\n", slen, NAME, *(u32 *) (cmsg->m + cmsg->l)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 850 | cmsg->l += 4; |
| 851 | break; |
| 852 | case _CSTRUCT: |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 853 | cdb = bufprint(cdb, "%-*s = ", slen, NAME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 854 | if (cmsg->m[cmsg->l] == '\0') |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 855 | cdb = bufprint(cdb, "default"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 856 | else |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 857 | cdb = printstruct(cdb, cmsg->m + cmsg->l); |
| 858 | cdb = bufprint(cdb, "\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 859 | if (cmsg->m[cmsg->l] != 0xff) |
| 860 | cmsg->l += 1 + cmsg->m[cmsg->l]; |
| 861 | else |
| 862 | cmsg->l += 3 + *(u16 *) (cmsg->m + cmsg->l + 1); |
| 863 | |
| 864 | break; |
| 865 | |
| 866 | case _CMSTRUCT: |
| 867 | /*----- Metastruktur 0 -----*/ |
| 868 | if (cmsg->m[cmsg->l] == '\0') { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 869 | cdb = bufprint(cdb, "%-*s = default\n", slen, NAME); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 870 | cmsg->l++; |
| 871 | jumpcstruct(cmsg); |
| 872 | } else { |
| 873 | char *name = NAME; |
| 874 | unsigned _l = cmsg->l; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 875 | cdb = bufprint(cdb, "%-*s\n", slen, name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | cmsg->l = (cmsg->m + _l)[0] == 255 ? cmsg->l + 3 : cmsg->l + 1; |
| 877 | cmsg->p++; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 878 | cdb = protocol_message_2_pars(cdb, cmsg, level + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 879 | } |
| 880 | break; |
| 881 | } |
| 882 | } |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 883 | return cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | } |
| 885 | /*-------------------------------------------------------*/ |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 886 | |
| 887 | static _cdebbuf *g_debbuf; |
| 888 | static u_long g_debbuf_lock; |
| 889 | static _cmsg *g_cmsg; |
| 890 | |
Adrian Bunk | 3a3a51d | 2007-05-08 00:32:33 -0700 | [diff] [blame] | 891 | static _cdebbuf *cdebbuf_alloc(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 892 | { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 893 | _cdebbuf *cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 895 | if (likely(!test_and_set_bit(1, &g_debbuf_lock))) { |
| 896 | cdb = g_debbuf; |
| 897 | goto init; |
| 898 | } else |
| 899 | cdb = kmalloc(sizeof(_cdebbuf), GFP_ATOMIC); |
| 900 | if (!cdb) |
| 901 | return NULL; |
| 902 | cdb->buf = kmalloc(CDEBUG_SIZE, GFP_ATOMIC); |
| 903 | if (!cdb->buf) { |
| 904 | kfree(cdb); |
| 905 | return NULL; |
| 906 | } |
| 907 | cdb->size = CDEBUG_SIZE; |
| 908 | init: |
| 909 | cdb->buf[0] = 0; |
| 910 | cdb->p = cdb->buf; |
| 911 | cdb->pos = 0; |
| 912 | return cdb; |
| 913 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 914 | |
Tilman Schmidt | 4793d15 | 2009-06-07 09:09:23 +0000 | [diff] [blame] | 915 | /** |
| 916 | * cdebbuf_free() - free CAPI debug buffer |
| 917 | * @cdb: buffer to free |
| 918 | */ |
| 919 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 920 | void cdebbuf_free(_cdebbuf *cdb) |
| 921 | { |
| 922 | if (likely(cdb == g_debbuf)) { |
| 923 | test_and_clear_bit(1, &g_debbuf_lock); |
| 924 | return; |
| 925 | } |
| 926 | if (likely(cdb)) |
| 927 | kfree(cdb->buf); |
| 928 | kfree(cdb); |
| 929 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 930 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 931 | |
Tilman Schmidt | 4793d15 | 2009-06-07 09:09:23 +0000 | [diff] [blame] | 932 | /** |
| 933 | * capi_message2str() - format CAPI 2.0 message for printing |
| 934 | * @msg: CAPI 2.0 message |
| 935 | * |
| 936 | * Allocates a CAPI debug buffer and fills it with a printable representation |
| 937 | * of the CAPI 2.0 message in @msg. |
| 938 | * Return value: allocated debug buffer, NULL on error |
| 939 | * The returned buffer should be freed by a call to cdebbuf_free() after use. |
| 940 | */ |
| 941 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 942 | _cdebbuf *capi_message2str(u8 * msg) |
| 943 | { |
| 944 | _cdebbuf *cdb; |
| 945 | _cmsg *cmsg; |
| 946 | |
| 947 | cdb = cdebbuf_alloc(); |
| 948 | if (unlikely(!cdb)) |
| 949 | return NULL; |
| 950 | if (likely(cdb == g_debbuf)) |
| 951 | cmsg = g_cmsg; |
| 952 | else |
| 953 | cmsg = kmalloc(sizeof(_cmsg), GFP_ATOMIC); |
| 954 | if (unlikely(!cmsg)) { |
| 955 | cdebbuf_free(cdb); |
| 956 | return NULL; |
| 957 | } |
| 958 | cmsg->m = msg; |
| 959 | cmsg->l = 8; |
| 960 | cmsg->p = 0; |
| 961 | byteTRcpy(cmsg->m + 4, &cmsg->Command); |
| 962 | byteTRcpy(cmsg->m + 5, &cmsg->Subcommand); |
| 963 | cmsg->par = cpars[command_2_index(cmsg->Command, cmsg->Subcommand)]; |
| 964 | |
| 965 | cdb = bufprint(cdb, "%-26s ID=%03d #0x%04x LEN=%04d\n", |
| 966 | mnames[command_2_index(cmsg->Command, cmsg->Subcommand)], |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | ((unsigned short *) msg)[1], |
| 968 | ((unsigned short *) msg)[3], |
| 969 | ((unsigned short *) msg)[0]); |
| 970 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 971 | cdb = protocol_message_2_pars(cdb, cmsg, 1); |
| 972 | if (unlikely(cmsg != g_cmsg)) |
| 973 | kfree(cmsg); |
| 974 | return cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | } |
| 976 | |
Tilman Schmidt | 4793d15 | 2009-06-07 09:09:23 +0000 | [diff] [blame] | 977 | /** |
| 978 | * capi_cmsg2str() - format _cmsg structure for printing |
| 979 | * @cmsg: _cmsg structure |
| 980 | * |
| 981 | * Allocates a CAPI debug buffer and fills it with a printable representation |
| 982 | * of the CAPI 2.0 message stored in @cmsg by a previous call to |
| 983 | * capi_cmsg2message() or capi_message2cmsg(). |
| 984 | * Return value: allocated debug buffer, NULL on error |
| 985 | * The returned buffer should be freed by a call to cdebbuf_free() after use. |
| 986 | */ |
| 987 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 988 | _cdebbuf *capi_cmsg2str(_cmsg * cmsg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | { |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 990 | _cdebbuf *cdb; |
| 991 | |
Tilman Schmidt | 7d31acd | 2009-06-07 09:09:24 +0000 | [diff] [blame] | 992 | if (!cmsg->m) |
| 993 | return NULL; /* no message */ |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 994 | cdb = cdebbuf_alloc(); |
| 995 | if (!cdb) |
| 996 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | cmsg->l = 8; |
| 998 | cmsg->p = 0; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 999 | cdb = bufprint(cdb, "%s ID=%03d #0x%04x LEN=%04d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | mnames[command_2_index(cmsg->Command, cmsg->Subcommand)], |
| 1001 | ((u16 *) cmsg->m)[1], |
| 1002 | ((u16 *) cmsg->m)[3], |
| 1003 | ((u16 *) cmsg->m)[0]); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1004 | cdb = protocol_message_2_pars(cdb, cmsg, 1); |
| 1005 | return cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | } |
| 1007 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1008 | int __init cdebug_init(void) |
| 1009 | { |
| 1010 | g_cmsg= kmalloc(sizeof(_cmsg), GFP_KERNEL); |
| 1011 | if (!g_cmsg) |
Marcin Slusarz | 066b211 | 2008-05-14 23:30:06 -0700 | [diff] [blame] | 1012 | return -ENOMEM; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1013 | g_debbuf = kmalloc(sizeof(_cdebbuf), GFP_KERNEL); |
| 1014 | if (!g_debbuf) { |
| 1015 | kfree(g_cmsg); |
Marcin Slusarz | 066b211 | 2008-05-14 23:30:06 -0700 | [diff] [blame] | 1016 | return -ENOMEM; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1017 | } |
| 1018 | g_debbuf->buf = kmalloc(CDEBUG_GSIZE, GFP_KERNEL); |
| 1019 | if (!g_debbuf->buf) { |
| 1020 | kfree(g_cmsg); |
| 1021 | kfree(g_debbuf); |
Joe Perches | a419aef | 2009-08-18 11:18:35 -0700 | [diff] [blame] | 1022 | return -ENOMEM; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1023 | } |
| 1024 | g_debbuf->size = CDEBUG_GSIZE; |
| 1025 | g_debbuf->buf[0] = 0; |
| 1026 | g_debbuf->p = g_debbuf->buf; |
| 1027 | g_debbuf->pos = 0; |
| 1028 | return 0; |
| 1029 | } |
| 1030 | |
| 1031 | void __exit cdebug_exit(void) |
| 1032 | { |
| 1033 | if (g_debbuf) |
| 1034 | kfree(g_debbuf->buf); |
| 1035 | kfree(g_debbuf); |
| 1036 | kfree(g_cmsg); |
| 1037 | } |
| 1038 | |
| 1039 | #else /* !CONFIG_CAPI_TRACE */ |
| 1040 | |
| 1041 | static _cdebbuf g_debbuf = {"CONFIG_CAPI_TRACE not enabled", NULL, 0, 0}; |
| 1042 | |
| 1043 | _cdebbuf *capi_message2str(u8 * msg) |
| 1044 | { |
| 1045 | return &g_debbuf; |
| 1046 | } |
| 1047 | |
| 1048 | _cdebbuf *capi_cmsg2str(_cmsg * cmsg) |
| 1049 | { |
| 1050 | return &g_debbuf; |
| 1051 | } |
| 1052 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1053 | void cdebbuf_free(_cdebbuf *cdb) |
| 1054 | { |
| 1055 | } |
| 1056 | |
| 1057 | int __init cdebug_init(void) |
| 1058 | { |
| 1059 | return 0; |
| 1060 | } |
| 1061 | |
| 1062 | void __exit cdebug_exit(void) |
| 1063 | { |
| 1064 | } |
| 1065 | |
| 1066 | #endif |
| 1067 | |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1068 | EXPORT_SYMBOL(cdebbuf_free); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1069 | EXPORT_SYMBOL(capi_cmsg2message); |
| 1070 | EXPORT_SYMBOL(capi_message2cmsg); |
| 1071 | EXPORT_SYMBOL(capi_cmsg_header); |
| 1072 | EXPORT_SYMBOL(capi_cmd2str); |
| 1073 | EXPORT_SYMBOL(capi_cmsg2str); |
| 1074 | EXPORT_SYMBOL(capi_message2str); |
| 1075 | EXPORT_SYMBOL(capi_info2str); |