Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 1 | :: # Copyright 2013, Big Switch Networks, Inc. |
| 2 | :: # |
| 3 | :: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with |
| 4 | :: # the following special exception: |
| 5 | :: # |
| 6 | :: # LOXI Exception |
| 7 | :: # |
| 8 | :: # As a special exception to the terms of the EPL, you may distribute libraries |
| 9 | :: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided |
| 10 | :: # that copyright and licensing notices generated by LoxiGen are not altered or removed |
| 11 | :: # from the LoxiGen Libraries and the notice provided below is (i) included in |
| 12 | :: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any |
| 13 | :: # documentation for the LoxiGen Libraries, if distributed in binary form. |
| 14 | :: # |
| 15 | :: # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler." |
| 16 | :: # |
| 17 | :: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain |
| 18 | :: # a copy of the EPL at: |
| 19 | :: # |
| 20 | :: # http://www.eclipse.org/legal/epl-v10.html |
| 21 | :: # |
| 22 | :: # Unless required by applicable law or agreed to in writing, software |
| 23 | :: # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 24 | :: # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 25 | :: # EPL for the specific language governing permissions and limitations |
| 26 | :: # under the EPL. |
| 27 | :: |
Rich Lane | d983aa5 | 2013-06-13 11:48:37 -0700 | [diff] [blame] | 28 | :: include('_copyright.c') |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 29 | |
| 30 | /**************************************************************** |
| 31 | * |
| 32 | * Functions related to mapping wire values to object types |
| 33 | * and lengths |
| 34 | * |
| 35 | ****************************************************************/ |
| 36 | |
| 37 | #include <loci/loci.h> |
| 38 | #include <loci/of_message.h> |
| 39 | |
Rich Lane | ef7b994 | 2013-11-18 16:29:28 -0800 | [diff] [blame] | 40 | #define OF_INSTRUCTION_EXPERIMENTER_ID_OFFSET 4 |
| 41 | #define OF_INSTRUCTION_EXPERIMENTER_SUBTYPE_OFFSET 8 |
| 42 | |
Rich Lane | c0e20ff | 2013-12-15 23:40:31 -0800 | [diff] [blame] | 43 | ${legacy_code} |
| 44 | |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 45 | /**************************************************************** |
| 46 | * Top level OpenFlow message length functions |
| 47 | ****************************************************************/ |
| 48 | |
| 49 | /** |
| 50 | * Get the length of a message object as reported on the wire |
| 51 | * @param obj The object to check |
| 52 | * @param bytes (out) Where the length is stored |
| 53 | * @returns OF_ERROR_ code |
| 54 | */ |
| 55 | void |
| 56 | of_object_message_wire_length_get(of_object_t *obj, int *bytes) |
| 57 | { |
Rich Lane | ed79e0d | 2013-03-26 14:30:31 -0700 | [diff] [blame] | 58 | ASSERT(OF_OBJECT_TO_WBUF(obj) != NULL); |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 59 | // ASSERT(obj is message) |
| 60 | *bytes = of_message_length_get(OF_OBJECT_TO_MESSAGE(obj)); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Set the length of a message object as reported on the wire |
| 65 | * @param obj The object to check |
| 66 | * @param bytes The new length of the object |
| 67 | * @returns OF_ERROR_ code |
| 68 | */ |
| 69 | void |
| 70 | of_object_message_wire_length_set(of_object_t *obj, int bytes) |
| 71 | { |
Rich Lane | ed79e0d | 2013-03-26 14:30:31 -0700 | [diff] [blame] | 72 | ASSERT(OF_OBJECT_TO_WBUF(obj) != NULL); |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 73 | // ASSERT(obj is message) |
| 74 | of_message_length_set(OF_OBJECT_TO_MESSAGE(obj), bytes); |
| 75 | } |
| 76 | |
| 77 | /**************************************************************** |
| 78 | * TLV16 type/length functions |
| 79 | ****************************************************************/ |
| 80 | |
| 81 | /** |
| 82 | * Many objects are TLVs and use uint16 for the type and length values |
| 83 | * stored on the wire at the beginning of the buffer. |
| 84 | */ |
| 85 | #define TLV16_WIRE_TYPE_OFFSET 0 |
| 86 | #define TLV16_WIRE_LENGTH_OFFSET 2 |
| 87 | |
| 88 | /** |
| 89 | * Get the length field from the wire for a standard TLV |
| 90 | * object that uses uint16 for both type and length. |
| 91 | * @param obj The object being referenced |
| 92 | * @param bytes (out) Where to store the length |
| 93 | */ |
| 94 | |
| 95 | void |
| 96 | of_tlv16_wire_length_get(of_object_t *obj, int *bytes) |
| 97 | { |
| 98 | uint16_t val16; |
| 99 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 100 | ASSERT(wbuf != NULL); |
| 101 | |
| 102 | of_wire_buffer_u16_get(wbuf, |
| 103 | OF_OBJECT_ABSOLUTE_OFFSET(obj, TLV16_WIRE_LENGTH_OFFSET), &val16); |
| 104 | *bytes = val16; |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Set the length field in the wire buffer for a standard TLV |
| 109 | * object that uses uint16 for both type and length. |
| 110 | * @param obj The object being referenced |
| 111 | * @param bytes The length value to use |
| 112 | */ |
| 113 | |
| 114 | void |
| 115 | of_tlv16_wire_length_set(of_object_t *obj, int bytes) |
| 116 | { |
| 117 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 118 | ASSERT(wbuf != NULL); |
| 119 | |
| 120 | of_wire_buffer_u16_set(wbuf, |
| 121 | OF_OBJECT_ABSOLUTE_OFFSET(obj, TLV16_WIRE_LENGTH_OFFSET), bytes); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Get the type field from the wire for a standard TLV object that uses |
| 126 | * uint16 for both type and length. |
| 127 | * @param obj The object being referenced |
| 128 | * @param wire_type (out) Where to store the type |
| 129 | */ |
| 130 | |
| 131 | static void |
| 132 | of_tlv16_wire_type_get(of_object_t *obj, int *wire_type) |
| 133 | { |
| 134 | uint16_t val16; |
| 135 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 136 | |
| 137 | of_wire_buffer_u16_get(wbuf, OF_OBJECT_ABSOLUTE_OFFSET(obj, |
| 138 | TLV16_WIRE_TYPE_OFFSET), &val16); |
| 139 | |
| 140 | *wire_type = val16; |
| 141 | } |
| 142 | |
| 143 | /** |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 144 | * Get the object ID of an extended action |
| 145 | * @param obj The object being referenced |
| 146 | * @param id Where to store the object ID |
| 147 | * @fixme: This should be auto generated |
| 148 | * |
| 149 | * If unable to map to known extension, set id to generic "experimenter" |
| 150 | */ |
| 151 | |
| 152 | #define OF_ACTION_EXPERIMENTER_ID_OFFSET 4 |
| 153 | #define OF_ACTION_EXPERIMENTER_SUBTYPE_OFFSET 8 |
| 154 | |
| 155 | |
| 156 | static void |
| 157 | extension_action_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 158 | { |
| 159 | uint32_t exp_id; |
| 160 | uint8_t *buf; |
| 161 | |
| 162 | *id = OF_ACTION_EXPERIMENTER; |
| 163 | |
| 164 | buf = OF_OBJECT_BUFFER_INDEX(obj, 0); |
| 165 | |
| 166 | buf_u32_get(buf + OF_ACTION_EXPERIMENTER_ID_OFFSET, &exp_id); |
| 167 | |
| 168 | switch (exp_id) { |
| 169 | case OF_EXPERIMENTER_ID_BSN: { |
| 170 | uint32_t subtype; |
| 171 | buf_u32_get(buf + OF_ACTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype); |
| 172 | switch (subtype) { |
| 173 | case 1: *id = OF_ACTION_BSN_MIRROR; break; |
| 174 | case 2: *id = OF_ACTION_BSN_SET_TUNNEL_DST; break; |
| 175 | } |
| 176 | break; |
| 177 | } |
| 178 | case OF_EXPERIMENTER_ID_NICIRA: { |
| 179 | uint16_t subtype; |
| 180 | buf_u16_get(buf + OF_ACTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype); |
| 181 | switch (subtype) { |
| 182 | case 18: *id = OF_ACTION_NICIRA_DEC_TTL; break; |
| 183 | } |
| 184 | break; |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /** |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 190 | * Get the object ID of an extended action |
| 191 | * @param obj The object being referenced |
| 192 | * @param id Where to store the object ID |
| 193 | * @fixme: This should be auto generated |
| 194 | * |
| 195 | * If unable to map to known extension, set id to generic "experimenter" |
| 196 | */ |
| 197 | |
| 198 | static void |
| 199 | extension_action_id_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 200 | { |
| 201 | uint32_t exp_id; |
| 202 | uint8_t *buf; |
| 203 | |
| 204 | *id = OF_ACTION_ID_EXPERIMENTER; |
| 205 | |
| 206 | buf = OF_OBJECT_BUFFER_INDEX(obj, 0); |
| 207 | |
| 208 | buf_u32_get(buf + OF_ACTION_EXPERIMENTER_ID_OFFSET, &exp_id); |
| 209 | |
| 210 | switch (exp_id) { |
| 211 | case OF_EXPERIMENTER_ID_BSN: { |
| 212 | uint32_t subtype; |
| 213 | buf_u32_get(buf + OF_ACTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype); |
| 214 | switch (subtype) { |
| 215 | case 1: *id = OF_ACTION_ID_BSN_MIRROR; break; |
| 216 | case 2: *id = OF_ACTION_ID_BSN_SET_TUNNEL_DST; break; |
| 217 | } |
| 218 | break; |
| 219 | } |
| 220 | case OF_EXPERIMENTER_ID_NICIRA: { |
| 221 | uint16_t subtype; |
| 222 | buf_u16_get(buf + OF_ACTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype); |
| 223 | switch (subtype) { |
| 224 | case 18: *id = OF_ACTION_ID_NICIRA_DEC_TTL; break; |
| 225 | } |
| 226 | break; |
| 227 | } |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | |
| 232 | /** |
| 233 | * Get the object ID based on the wire buffer for an action object |
| 234 | * @param obj The object being referenced |
| 235 | * @param id Where to store the object ID |
| 236 | */ |
| 237 | |
| 238 | |
| 239 | void |
| 240 | of_action_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 241 | { |
| 242 | int wire_type; |
| 243 | |
| 244 | of_tlv16_wire_type_get(obj, &wire_type); |
| 245 | if (wire_type == OF_EXPERIMENTER_TYPE) { |
| 246 | extension_action_object_id_get(obj, id); |
| 247 | return; |
| 248 | } |
| 249 | |
| 250 | ASSERT(wire_type >= 0 && wire_type < OF_ACTION_ITEM_COUNT); |
| 251 | |
| 252 | *id = of_action_type_to_id[obj->version][wire_type]; |
| 253 | ASSERT(*id != OF_OBJECT_INVALID); |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Get the object ID based on the wire buffer for an action ID object |
| 258 | * @param obj The object being referenced |
| 259 | * @param id Where to store the object ID |
| 260 | */ |
| 261 | |
| 262 | |
| 263 | void |
| 264 | of_action_id_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 265 | { |
| 266 | int wire_type; |
| 267 | |
| 268 | of_tlv16_wire_type_get(obj, &wire_type); |
| 269 | if (wire_type == OF_EXPERIMENTER_TYPE) { |
| 270 | extension_action_id_object_id_get(obj, id); |
| 271 | return; |
| 272 | } |
| 273 | |
| 274 | ASSERT(wire_type >= 0 && wire_type < OF_ACTION_ID_ITEM_COUNT); |
| 275 | |
| 276 | *id = of_action_id_type_to_id[obj->version][wire_type]; |
| 277 | ASSERT(*id != OF_OBJECT_INVALID); |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * @fixme to do when we have instruction extensions |
| 282 | * See extension_action above |
| 283 | */ |
| 284 | |
| 285 | static int |
| 286 | extension_instruction_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 287 | { |
Rich Lane | ef7b994 | 2013-11-18 16:29:28 -0800 | [diff] [blame] | 288 | uint32_t exp_id; |
| 289 | uint8_t *buf; |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 290 | |
| 291 | *id = OF_INSTRUCTION_EXPERIMENTER; |
| 292 | |
Rich Lane | ef7b994 | 2013-11-18 16:29:28 -0800 | [diff] [blame] | 293 | buf = OF_OBJECT_BUFFER_INDEX(obj, 0); |
| 294 | |
| 295 | buf_u32_get(buf + OF_INSTRUCTION_EXPERIMENTER_ID_OFFSET, &exp_id); |
| 296 | |
| 297 | switch (exp_id) { |
| 298 | case OF_EXPERIMENTER_ID_BSN: { |
| 299 | uint32_t subtype; |
| 300 | buf_u32_get(buf + OF_INSTRUCTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype); |
| 301 | switch (subtype) { |
| 302 | case 0: *id = OF_INSTRUCTION_BSN_DISABLE_SRC_MAC_CHECK; break; |
Rich Lane | f41bad3 | 2014-01-13 13:08:51 -0800 | [diff] [blame] | 303 | case 1: *id = OF_INSTRUCTION_BSN_ARP_OFFLOAD; break; |
Rich Lane | e411343 | 2014-02-04 18:00:03 -0800 | [diff] [blame] | 304 | case 2: *id = OF_INSTRUCTION_BSN_DHCP_OFFLOAD; break; |
Rich Lane | 74a983b | 2014-02-13 17:04:19 -0800 | [diff] [blame] | 305 | case 3: *id = OF_INSTRUCTION_BSN_DISABLE_SPLIT_HORIZON_CHECK; break; |
Rich Lane | ef7b994 | 2013-11-18 16:29:28 -0800 | [diff] [blame] | 306 | } |
| 307 | break; |
| 308 | } |
| 309 | } |
| 310 | |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 311 | return OF_ERROR_NONE; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * Get the object ID based on the wire buffer for an instruction object |
| 316 | * @param obj The object being referenced |
| 317 | * @param id Where to store the object ID |
| 318 | */ |
| 319 | |
| 320 | void |
| 321 | of_instruction_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 322 | { |
| 323 | int wire_type; |
| 324 | |
| 325 | of_tlv16_wire_type_get(obj, &wire_type); |
| 326 | if (wire_type == OF_EXPERIMENTER_TYPE) { |
| 327 | extension_instruction_object_id_get(obj, id); |
| 328 | return; |
| 329 | } |
| 330 | |
| 331 | ASSERT(wire_type >= 0 && wire_type < OF_INSTRUCTION_ITEM_COUNT); |
| 332 | |
| 333 | *id = of_instruction_type_to_id[obj->version][wire_type]; |
| 334 | ASSERT(*id != OF_OBJECT_INVALID); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | /** |
| 339 | * @fixme to do when we have queue_prop extensions |
| 340 | * See extension_action above |
| 341 | */ |
| 342 | |
| 343 | static void |
| 344 | extension_queue_prop_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 345 | { |
| 346 | (void)obj; |
| 347 | |
| 348 | *id = OF_QUEUE_PROP_EXPERIMENTER; |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Get the object ID based on the wire buffer for an queue_prop object |
| 353 | * @param obj The object being referenced |
| 354 | * @param id Where to store the object ID |
| 355 | */ |
| 356 | |
| 357 | void |
| 358 | of_queue_prop_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 359 | { |
| 360 | int wire_type; |
| 361 | |
| 362 | of_tlv16_wire_type_get(obj, &wire_type); |
| 363 | if (wire_type == OF_EXPERIMENTER_TYPE) { |
| 364 | extension_queue_prop_object_id_get(obj, id); |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | ASSERT(wire_type >= 0 && wire_type < OF_QUEUE_PROP_ITEM_COUNT); |
| 369 | |
| 370 | *id = of_queue_prop_type_to_id[obj->version][wire_type]; |
| 371 | ASSERT(*id != OF_OBJECT_INVALID); |
| 372 | } |
| 373 | |
| 374 | |
| 375 | /** |
| 376 | * @fixme to do when we have table_feature_prop extensions |
| 377 | * See extension_action above |
| 378 | */ |
| 379 | |
| 380 | static void |
| 381 | extension_table_feature_prop_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 382 | { |
| 383 | (void)obj; |
| 384 | |
| 385 | *id = OF_TABLE_FEATURE_PROP_EXPERIMENTER; |
| 386 | } |
| 387 | |
| 388 | /** |
| 389 | * Table feature property object ID determination |
| 390 | * |
| 391 | * @param obj The object being referenced |
| 392 | * @param id Where to store the object ID |
| 393 | */ |
| 394 | |
| 395 | void |
| 396 | of_table_feature_prop_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 397 | { |
| 398 | int wire_type; |
| 399 | |
| 400 | of_tlv16_wire_type_get(obj, &wire_type); |
| 401 | if (wire_type == OF_EXPERIMENTER_TYPE) { |
| 402 | extension_table_feature_prop_object_id_get(obj, id); |
| 403 | return; |
| 404 | } |
| 405 | |
| 406 | ASSERT(wire_type >= 0 && wire_type < OF_TABLE_FEATURE_PROP_ITEM_COUNT); |
| 407 | |
| 408 | *id = of_table_feature_prop_type_to_id[obj->version][wire_type]; |
| 409 | ASSERT(*id != OF_OBJECT_INVALID); |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * Get the object ID based on the wire buffer for meter_band object |
| 414 | * @param obj The object being referenced |
| 415 | * @param id Where to store the object ID |
| 416 | */ |
| 417 | |
| 418 | void |
| 419 | of_meter_band_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 420 | { |
| 421 | int wire_type; |
| 422 | |
| 423 | of_tlv16_wire_type_get(obj, &wire_type); |
| 424 | if (wire_type == OF_EXPERIMENTER_TYPE) { |
| 425 | *id = OF_METER_BAND_EXPERIMENTER; |
| 426 | return; |
| 427 | } |
| 428 | |
| 429 | ASSERT(wire_type >= 0 && wire_type < OF_METER_BAND_ITEM_COUNT); |
| 430 | |
| 431 | *id = of_meter_band_type_to_id[obj->version][wire_type]; |
| 432 | ASSERT(*id != OF_OBJECT_INVALID); |
| 433 | } |
| 434 | |
| 435 | /** |
| 436 | * Get the object ID based on the wire buffer for a hello_elem object |
| 437 | * @param obj The object being referenced |
| 438 | * @param id Where to store the object ID |
| 439 | */ |
| 440 | |
| 441 | void |
| 442 | of_hello_elem_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 443 | { |
| 444 | int wire_type; |
| 445 | |
| 446 | of_tlv16_wire_type_get(obj, &wire_type); |
| 447 | ASSERT(wire_type >= 0 && wire_type < OF_HELLO_ELEM_ITEM_COUNT); |
| 448 | *id = of_hello_elem_type_to_id[obj->version][wire_type]; |
| 449 | ASSERT(*id != OF_OBJECT_INVALID); |
| 450 | } |
| 451 | |
Rich Lane | 713d928 | 2013-12-30 15:21:35 -0800 | [diff] [blame] | 452 | /** |
| 453 | * Get the object ID based on the wire buffer for a bsn_tlv object |
| 454 | * @param obj The object being referenced |
| 455 | * @param id Where to store the object ID |
| 456 | */ |
| 457 | |
| 458 | void |
| 459 | of_bsn_tlv_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 460 | { |
| 461 | int wire_type; |
| 462 | |
| 463 | of_tlv16_wire_type_get(obj, &wire_type); |
| 464 | ASSERT(wire_type >= 0 && wire_type < OF_BSN_TLV_ITEM_COUNT); |
| 465 | *id = of_bsn_tlv_type_to_id[obj->version][wire_type]; |
| 466 | ASSERT(*id != OF_OBJECT_INVALID); |
| 467 | } |
| 468 | |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 469 | /**************************************************************** |
| 470 | * OXM type/length functions. |
| 471 | ****************************************************************/ |
| 472 | |
| 473 | /* Where does the OXM type-length header lie in the buffer */ |
| 474 | #define OXM_HDR_OFFSET 0 |
| 475 | |
| 476 | /** |
| 477 | * Get the OXM header (type-length fields) from the wire buffer |
| 478 | * associated with an OXM object |
| 479 | * |
| 480 | * Will return if error; set hdr to the OXM header |
| 481 | */ |
| 482 | |
| 483 | #define _GET_OXM_TYPE_LEN(obj, tl_p, wbuf) do { \ |
| 484 | wbuf = OF_OBJECT_TO_WBUF(obj); \ |
| 485 | ASSERT(wbuf != NULL); \ |
| 486 | of_wire_buffer_u32_get(wbuf, \ |
| 487 | OF_OBJECT_ABSOLUTE_OFFSET(obj, OXM_HDR_OFFSET), (tl_p)); \ |
| 488 | } while (0) |
| 489 | |
| 490 | #define _SET_OXM_TYPE_LEN(obj, tl_p, wbuf) do { \ |
| 491 | wbuf = OF_OBJECT_TO_WBUF(obj); \ |
| 492 | ASSERT(wbuf != NULL); \ |
| 493 | of_wire_buffer_u32_set(wbuf, \ |
| 494 | OF_OBJECT_ABSOLUTE_OFFSET(obj, OXM_HDR_OFFSET), (tl_p)); \ |
| 495 | } while (0) |
| 496 | |
| 497 | /** |
| 498 | * Get the length of an OXM object from the wire buffer |
| 499 | * @param obj The object whose wire buffer is an OXM type |
| 500 | * @param bytes (out) Where length is stored |
| 501 | */ |
| 502 | |
| 503 | void |
| 504 | of_oxm_wire_length_get(of_object_t *obj, int *bytes) |
| 505 | { |
| 506 | uint32_t type_len; |
| 507 | of_wire_buffer_t *wbuf; |
| 508 | |
| 509 | _GET_OXM_TYPE_LEN(obj, &type_len, wbuf); |
| 510 | *bytes = OF_OXM_LENGTH_GET(type_len); |
| 511 | } |
| 512 | |
| 513 | /** |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 514 | * Get the object ID of an OXM object based on the wire buffer type |
| 515 | * @param obj The object whose wire buffer is an OXM type |
| 516 | * @param id (out) Where the ID is stored |
| 517 | */ |
| 518 | |
| 519 | void |
| 520 | of_oxm_wire_object_id_get(of_object_t *obj, of_object_id_t *id) |
| 521 | { |
| 522 | uint32_t type_len; |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 523 | of_wire_buffer_t *wbuf; |
| 524 | |
| 525 | _GET_OXM_TYPE_LEN(obj, &type_len, wbuf); |
Rich Lane | d8d29c9 | 2013-09-24 13:46:42 -0700 | [diff] [blame] | 526 | *id = of_oxm_to_object_id(type_len, obj->version); |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 527 | } |
| 528 | |
Rich Lane | a06d0c3 | 2013-03-25 08:52:03 -0700 | [diff] [blame] | 529 | #define OF_U16_LEN_LENGTH_OFFSET 0 |
| 530 | |
| 531 | /** |
| 532 | * Get the wire length for an object with a uint16 length as first member |
| 533 | * @param obj The object being referenced |
| 534 | * @param bytes Pointer to location to store length |
| 535 | */ |
| 536 | void |
| 537 | of_u16_len_wire_length_get(of_object_t *obj, int *bytes) |
| 538 | { |
| 539 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 540 | uint16_t u16; |
| 541 | |
| 542 | ASSERT(wbuf != NULL); |
| 543 | |
| 544 | of_wire_buffer_u16_get(wbuf, |
| 545 | OF_OBJECT_ABSOLUTE_OFFSET(obj, OF_U16_LEN_LENGTH_OFFSET), |
| 546 | &u16); |
| 547 | |
| 548 | *bytes = u16; |
| 549 | } |
| 550 | |
| 551 | /** |
| 552 | * Set the wire length for an object with a uint16 length as first member |
| 553 | * @param obj The object being referenced |
| 554 | * @param bytes The length of the object |
| 555 | */ |
| 556 | |
| 557 | void |
| 558 | of_u16_len_wire_length_set(of_object_t *obj, int bytes) |
| 559 | { |
| 560 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 561 | ASSERT(wbuf != NULL); |
| 562 | |
| 563 | /* ASSERT(obj is u16-len entry) */ |
| 564 | |
| 565 | of_wire_buffer_u16_set(wbuf, |
| 566 | OF_OBJECT_ABSOLUTE_OFFSET(obj, OF_U16_LEN_LENGTH_OFFSET), |
| 567 | bytes); |
| 568 | } |
| 569 | |
| 570 | |
| 571 | #define OF_PACKET_QUEUE_LENGTH_OFFSET(ver) \ |
| 572 | (((ver) >= OF_VERSION_1_2) ? 8 : 4) |
| 573 | |
| 574 | /** |
| 575 | * Get the wire length for a packet queue object |
| 576 | * @param obj The object being referenced |
| 577 | * @param bytes Pointer to location to store length |
| 578 | * |
| 579 | * The length is a uint16 at the offset indicated above |
| 580 | */ |
| 581 | void |
| 582 | of_packet_queue_wire_length_get(of_object_t *obj, int *bytes) |
| 583 | { |
| 584 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 585 | uint16_t u16; |
| 586 | int offset; |
| 587 | |
| 588 | ASSERT(wbuf != NULL); |
| 589 | |
| 590 | /* ASSERT(obj is packet queue obj) */ |
| 591 | offset = OF_PACKET_QUEUE_LENGTH_OFFSET(obj->version); |
| 592 | of_wire_buffer_u16_get(wbuf, OF_OBJECT_ABSOLUTE_OFFSET(obj, offset), |
| 593 | &u16); |
| 594 | |
| 595 | *bytes = u16; |
| 596 | } |
| 597 | |
| 598 | /** |
| 599 | * Set the wire length for a 1.2 packet queue object |
| 600 | * @param obj The object being referenced |
| 601 | * @param bytes The length of the object |
| 602 | * |
| 603 | * The length is a uint16 at the offset indicated above |
| 604 | */ |
| 605 | |
| 606 | void |
| 607 | of_packet_queue_wire_length_set(of_object_t *obj, int bytes) |
| 608 | { |
| 609 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 610 | int offset; |
| 611 | |
| 612 | ASSERT(wbuf != NULL); |
| 613 | |
| 614 | /* ASSERT(obj is packet queue obj) */ |
| 615 | offset = OF_PACKET_QUEUE_LENGTH_OFFSET(obj->version); |
| 616 | of_wire_buffer_u16_set(wbuf, OF_OBJECT_ABSOLUTE_OFFSET(obj, offset), |
| 617 | bytes); |
| 618 | } |
| 619 | |
| 620 | /** |
| 621 | * Get the wire length for a meter band stats list |
| 622 | * @param obj The object being referenced |
| 623 | * @param bytes Pointer to location to store length |
| 624 | * |
| 625 | * Must a meter_stats object as a parent |
| 626 | */ |
| 627 | |
| 628 | void |
| 629 | of_list_meter_band_stats_wire_length_get(of_object_t *obj, int *bytes) |
| 630 | { |
| 631 | ASSERT(obj->parent != NULL); |
| 632 | ASSERT(obj->parent->object_id == OF_METER_STATS); |
| 633 | |
| 634 | /* We're counting on the parent being properly initialized already. |
| 635 | * The length is stored in a uint16 at offset 4 of the parent. |
| 636 | */ |
| 637 | *bytes = obj->parent->length - OF_OBJECT_FIXED_LENGTH(obj->parent); |
| 638 | } |
| 639 | |
| 640 | #define OF_METER_STATS_LENGTH_OFFSET 4 |
| 641 | |
| 642 | /** |
| 643 | * Get/set the wire length for a meter stats object |
| 644 | * @param obj The object being referenced |
| 645 | * @param bytes Pointer to location to store length |
| 646 | * |
| 647 | * It's almost a TLV.... |
| 648 | */ |
| 649 | |
| 650 | void |
| 651 | of_meter_stats_wire_length_get(of_object_t *obj, int *bytes) |
| 652 | { |
| 653 | uint16_t val16; |
| 654 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 655 | ASSERT(wbuf != NULL); |
| 656 | of_wire_buffer_u16_get(wbuf, |
| 657 | OF_OBJECT_ABSOLUTE_OFFSET(obj, OF_METER_STATS_LENGTH_OFFSET), |
| 658 | &val16); |
| 659 | *bytes = val16; |
| 660 | } |
| 661 | |
| 662 | void |
| 663 | of_meter_stats_wire_length_set(of_object_t *obj, int bytes) |
| 664 | { |
| 665 | of_wire_buffer_t *wbuf = OF_OBJECT_TO_WBUF(obj); |
| 666 | ASSERT(wbuf != NULL); |
| 667 | |
| 668 | of_wire_buffer_u16_set(wbuf, |
| 669 | OF_OBJECT_ABSOLUTE_OFFSET(obj, OF_METER_STATS_LENGTH_OFFSET), bytes); |
| 670 | } |
| 671 | |
| 672 | /* |
| 673 | * Non-message extension push wire values |
| 674 | */ |
| 675 | |
| 676 | int |
| 677 | of_extension_object_wire_push(of_object_t *obj) |
| 678 | { |
| 679 | of_action_bsn_mirror_t *action_mirror; |
| 680 | of_action_id_bsn_mirror_t *action_id_mirror; |
| 681 | of_action_bsn_set_tunnel_dst_t *action_set_tunnel_dst; |
| 682 | of_action_id_bsn_set_tunnel_dst_t *action_id_set_tunnel_dst; |
| 683 | of_action_nicira_dec_ttl_t *action_nicira_dec_ttl; |
| 684 | of_action_id_nicira_dec_ttl_t *action_id_nicira_dec_ttl; |
| 685 | |
| 686 | /* Push exp type, subtype */ |
| 687 | switch (obj->object_id) { |
| 688 | case OF_ACTION_BSN_MIRROR: |
| 689 | action_mirror = (of_action_bsn_mirror_t *)obj; |
| 690 | of_action_bsn_mirror_experimenter_set(action_mirror, |
| 691 | OF_EXPERIMENTER_ID_BSN); |
| 692 | of_action_bsn_mirror_subtype_set(action_mirror, 1); |
| 693 | break; |
| 694 | case OF_ACTION_ID_BSN_MIRROR: |
| 695 | action_id_mirror = (of_action_id_bsn_mirror_t *)obj; |
| 696 | of_action_id_bsn_mirror_experimenter_set(action_id_mirror, |
| 697 | OF_EXPERIMENTER_ID_BSN); |
| 698 | of_action_id_bsn_mirror_subtype_set(action_id_mirror, 1); |
| 699 | break; |
| 700 | case OF_ACTION_BSN_SET_TUNNEL_DST: |
| 701 | action_set_tunnel_dst = (of_action_bsn_set_tunnel_dst_t *)obj; |
| 702 | of_action_bsn_set_tunnel_dst_experimenter_set(action_set_tunnel_dst, |
| 703 | OF_EXPERIMENTER_ID_BSN); |
| 704 | of_action_bsn_set_tunnel_dst_subtype_set(action_set_tunnel_dst, 2); |
| 705 | break; |
| 706 | case OF_ACTION_ID_BSN_SET_TUNNEL_DST: |
| 707 | action_id_set_tunnel_dst = (of_action_id_bsn_set_tunnel_dst_t *)obj; |
| 708 | of_action_id_bsn_set_tunnel_dst_experimenter_set(action_id_set_tunnel_dst, |
| 709 | OF_EXPERIMENTER_ID_BSN); |
| 710 | of_action_id_bsn_set_tunnel_dst_subtype_set(action_id_set_tunnel_dst, 2); |
| 711 | break; |
| 712 | case OF_ACTION_NICIRA_DEC_TTL: |
| 713 | action_nicira_dec_ttl = (of_action_nicira_dec_ttl_t *)obj; |
| 714 | of_action_nicira_dec_ttl_experimenter_set(action_nicira_dec_ttl, |
| 715 | OF_EXPERIMENTER_ID_NICIRA); |
| 716 | of_action_nicira_dec_ttl_subtype_set(action_nicira_dec_ttl, 18); |
| 717 | break; |
| 718 | case OF_ACTION_ID_NICIRA_DEC_TTL: |
| 719 | action_id_nicira_dec_ttl = (of_action_id_nicira_dec_ttl_t *)obj; |
| 720 | of_action_id_nicira_dec_ttl_experimenter_set(action_id_nicira_dec_ttl, |
| 721 | OF_EXPERIMENTER_ID_NICIRA); |
| 722 | of_action_id_nicira_dec_ttl_subtype_set(action_id_nicira_dec_ttl, 18); |
| 723 | break; |
| 724 | default: |
| 725 | break; |
| 726 | } |
| 727 | |
| 728 | return OF_ERROR_NONE; |
| 729 | } |
Rich Lane | 353a79f | 2013-11-13 10:39:56 -0800 | [diff] [blame] | 730 | |
| 731 | int |
| 732 | of_experimenter_stats_request_to_object_id(uint32_t experimenter, uint32_t subtype, int ver) |
| 733 | { |
| 734 | switch (experimenter) { |
| 735 | case OF_EXPERIMENTER_ID_BSN: |
| 736 | switch (subtype) { |
| 737 | case 1: return OF_BSN_LACP_STATS_REQUEST; |
Rich Lane | 713d928 | 2013-12-30 15:21:35 -0800 | [diff] [blame] | 738 | case 2: return OF_BSN_GENTABLE_ENTRY_DESC_STATS_REQUEST; |
| 739 | case 3: return OF_BSN_GENTABLE_ENTRY_STATS_REQUEST; |
| 740 | case 4: return OF_BSN_GENTABLE_DESC_STATS_REQUEST; |
| 741 | case 5: return OF_BSN_GENTABLE_BUCKET_STATS_REQUEST; |
Wilson Ng | 45386fb | 2013-12-03 13:46:42 -0800 | [diff] [blame] | 742 | case 6: return OF_BSN_SWITCH_PIPELINE_STATS_REQUEST; |
Rich Lane | 713d928 | 2013-12-30 15:21:35 -0800 | [diff] [blame] | 743 | case 7: return OF_BSN_GENTABLE_STATS_REQUEST; |
xinwu | 54ceaca | 2013-12-04 17:02:27 -0800 | [diff] [blame] | 744 | case 8: return OF_BSN_PORT_COUNTER_STATS_REQUEST; |
| 745 | case 9: return OF_BSN_VLAN_COUNTER_STATS_REQUEST; |
Rich Lane | 013dea0 | 2014-02-05 13:44:13 -0800 | [diff] [blame] | 746 | case 10: return OF_BSN_FLOW_CHECKSUM_BUCKET_STATS_REQUEST; |
| 747 | case 11: return OF_BSN_TABLE_CHECKSUM_STATS_REQUEST; |
Rich Lane | 353a79f | 2013-11-13 10:39:56 -0800 | [diff] [blame] | 748 | } |
| 749 | } |
| 750 | return OF_OBJECT_INVALID; |
| 751 | } |
| 752 | |
| 753 | int |
| 754 | of_experimenter_stats_reply_to_object_id(uint32_t experimenter, uint32_t subtype, int ver) |
| 755 | { |
| 756 | switch (experimenter) { |
| 757 | case OF_EXPERIMENTER_ID_BSN: |
| 758 | switch (subtype) { |
| 759 | case 1: return OF_BSN_LACP_STATS_REPLY; |
Rich Lane | 713d928 | 2013-12-30 15:21:35 -0800 | [diff] [blame] | 760 | case 2: return OF_BSN_GENTABLE_ENTRY_DESC_STATS_REPLY; |
| 761 | case 3: return OF_BSN_GENTABLE_ENTRY_STATS_REPLY; |
| 762 | case 4: return OF_BSN_GENTABLE_DESC_STATS_REPLY; |
| 763 | case 5: return OF_BSN_GENTABLE_BUCKET_STATS_REPLY; |
Wilson Ng | 45386fb | 2013-12-03 13:46:42 -0800 | [diff] [blame] | 764 | case 6: return OF_BSN_SWITCH_PIPELINE_STATS_REPLY; |
Rich Lane | 713d928 | 2013-12-30 15:21:35 -0800 | [diff] [blame] | 765 | case 7: return OF_BSN_GENTABLE_STATS_REPLY; |
xinwu | 54ceaca | 2013-12-04 17:02:27 -0800 | [diff] [blame] | 766 | case 8: return OF_BSN_PORT_COUNTER_STATS_REPLY; |
| 767 | case 9: return OF_BSN_VLAN_COUNTER_STATS_REPLY; |
Rich Lane | 013dea0 | 2014-02-05 13:44:13 -0800 | [diff] [blame] | 768 | case 10: return OF_BSN_FLOW_CHECKSUM_BUCKET_STATS_REPLY; |
| 769 | case 11: return OF_BSN_TABLE_CHECKSUM_STATS_REPLY; |
Rich Lane | 353a79f | 2013-11-13 10:39:56 -0800 | [diff] [blame] | 770 | } |
| 771 | } |
| 772 | return OF_OBJECT_INVALID; |
| 773 | } |