Shad Ansari | 2f7f9be | 2017-06-07 13:34:53 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * <:copyright-BRCM:2016:DUAL/GPL:standard |
| 4 | * |
| 5 | * Copyright (c) 2016 Broadcom |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * Unless you and Broadcom execute a separate written software license |
| 9 | * agreement governing use of this software, this software is licensed |
| 10 | * to you under the terms of the GNU General Public License version 2 |
| 11 | * (the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php, |
| 12 | * with the following added to such license: |
| 13 | * |
| 14 | * As a special exception, the copyright holders of this software give |
| 15 | * you permission to link this software with independent modules, and |
| 16 | * to copy and distribute the resulting executable under terms of your |
| 17 | * choice, provided that you also meet, for each linked independent |
| 18 | * module, the terms and conditions of the license of that module. |
| 19 | * An independent module is a module which is not derived from this |
| 20 | * software. The special exception does not apply to any modifications |
| 21 | * of the software. |
| 22 | * |
| 23 | * Not withstanding the above, under no circumstances may you combine |
| 24 | * this software in any way with any other Broadcom software provided |
| 25 | * under a license other than the GPL, without Broadcom's express prior |
| 26 | * written consent. |
| 27 | * |
| 28 | * :> |
| 29 | * |
| 30 | *****************************************************************************/ |
| 31 | |
| 32 | /** |
| 33 | * @file bal_mac_util_db_apis.c |
| 34 | * |
| 35 | * @brief This file has the wrapper functions and the calls to database API functions. |
| 36 | * These wrapper functions are called by mac util code for DB operations. |
| 37 | * |
| 38 | * @addtogroup mac_util |
| 39 | */ |
| 40 | |
| 41 | /*@{*/ |
| 42 | |
| 43 | #include <bal_mac_util.h> |
| 44 | |
| 45 | |
| 46 | /** |
| 47 | * @brief flow DB macros |
| 48 | * */ |
| 49 | /** @brief max number of flow types stored in the DB. |
| 50 | * @details for now upstream & downstream unicast flows only are stored in the flow DB |
| 51 | * */ |
| 52 | #define MAC_UTIL_FLOW_DB_MAX_FLOW_TYPES 2 |
| 53 | |
| 54 | /** @brief check if flow type key is valid */ |
| 55 | #define MAC_UTIL_FLOW_DB_FLOW_TYPE_IS_VALID(_flow_type) \ |
| 56 | ((_flow_type) >= BCMBAL_FLOW_TYPE_UPSTREAM && \ |
| 57 | (_flow_type) <= MAC_UTIL_FLOW_DB_MAX_FLOW_TYPES) \ |
| 58 | |
| 59 | |
| 60 | /** |
| 61 | * @brief maps {flow Id, flow_type} Key pair to an {Index, sub-Index} pair to access a flow entry in the Array DB. |
| 62 | * */ |
| 63 | #define MAC_UTIL_FLOW_DB_FLOW_ID_TYPE2ARR_INDEX_SUB_INDEX(_flow_id, _flow_type, _index, _sub_index) \ |
| 64 | do \ |
| 65 | { \ |
| 66 | (_index) = (_sub_index) = 0; \ |
| 67 | if(MAC_UTIL_FLOW_DB_FLOW_ID_IS_VALID(_flow_id)) \ |
| 68 | { \ |
| 69 | if(MAC_UTIL_FLOW_DB_FLOW_TYPE_IS_VALID(_flow_type)) \ |
| 70 | { \ |
| 71 | (_index) = (_flow_id) - mac_util_flow_id_start_val+1; \ |
| 72 | (_sub_index) = (_flow_type) - 1; \ |
| 73 | } \ |
| 74 | } \ |
| 75 | } while (0); |
| 76 | |
| 77 | |
| 78 | /** @brief lookup an entry from the Array based on flow Id & type key pair */ |
| 79 | #define MAC_UTIL_FLOW_DB_ENTRY_GET(_flow_id, _flow_type, _flow_entry) \ |
| 80 | do \ |
| 81 | { \ |
| 82 | (_flow_entry) = NULL; \ |
| 83 | uint32_t _index, _sub_index; \ |
| 84 | MAC_UTIL_FLOW_DB_FLOW_ID_TYPE2ARR_INDEX_SUB_INDEX((_flow_id), (_flow_type), (_index), (_sub_index)); \ |
| 85 | if (!_index) \ |
| 86 | break; \ |
| 87 | _flow_entry = mac_util_db_flows_list[_index][_sub_index]; \ |
| 88 | } while (0); |
| 89 | |
| 90 | |
| 91 | /** @brief Get First non-NULL flow entry from the Array */ |
| 92 | #define MAC_UTIL_FLOW_DB_ENTRY_GET_FIRST(_p_first) \ |
| 93 | do \ |
| 94 | { \ |
| 95 | int _i, _j; \ |
| 96 | for (_i=1; _i<=BAL_ACC_TERM_MAX_FLOWS; _i++) \ |
| 97 | { \ |
| 98 | for (_j=0; _j<MAC_UTIL_FLOW_DB_MAX_FLOW_TYPES; _j++) \ |
| 99 | { \ |
| 100 | (_p_first) = mac_util_db_flows_list[_i][_j]; \ |
| 101 | if (_p_first) \ |
| 102 | break; \ |
| 103 | } \ |
| 104 | if (_p_first) \ |
| 105 | break; \ |
| 106 | } \ |
| 107 | } while (0) |
| 108 | |
| 109 | |
| 110 | /** @brief Get Next non-NULL flow entry from the Array */ |
| 111 | #define MAC_UTIL_FLOW_DB_ENTRY_GET_NEXT(_p_curr, _pp_next) \ |
| 112 | do \ |
| 113 | { \ |
| 114 | uint32_t _i, _j, _curr_i, _curr_j; \ |
| 115 | *(_pp_next) = NULL; \ |
| 116 | if (_p_curr) \ |
| 117 | { \ |
| 118 | MAC_UTIL_FLOW_DB_FLOW_ID_TYPE2ARR_INDEX_SUB_INDEX(_p_curr->bal_flow_key.flow_id, _p_curr->bal_flow_key.flow_type, _curr_i, _curr_j);\ |
| 119 | for (_i = (_curr_j<MAC_UTIL_FLOW_DB_MAX_FLOW_TYPES-1 ?_curr_i : _curr_i+1); \ |
| 120 | _i<=BAL_ACC_TERM_MAX_FLOWS; \ |
| 121 | _i++) \ |
| 122 | { \ |
| 123 | for (_j= (_curr_j<MAC_UTIL_FLOW_DB_MAX_FLOW_TYPES-1 ? _curr_j+1 : 0); \ |
| 124 | _j<MAC_UTIL_FLOW_DB_MAX_FLOW_TYPES; \ |
| 125 | _j++) \ |
| 126 | { \ |
| 127 | *(_pp_next) = mac_util_db_flows_list[_i][_j]; \ |
| 128 | if (*(_pp_next)) \ |
| 129 | break; \ |
| 130 | } \ |
| 131 | if (*(_pp_next)) \ |
| 132 | break; \ |
| 133 | } \ |
| 134 | } \ |
| 135 | else \ |
| 136 | break; \ |
| 137 | } while (0) |
| 138 | |
| 139 | |
| 140 | /** @brief Set a flow entry in the Array */ |
| 141 | #define MAC_UTIL_FLOW_DB_ENTRY_SET(_flow_id, _flow_type, _flow_entry, _rc) \ |
| 142 | do \ |
| 143 | { \ |
| 144 | uint32_t _index, _sub_index; \ |
| 145 | MAC_UTIL_FLOW_DB_FLOW_ID_TYPE2ARR_INDEX_SUB_INDEX((_flow_id), (_flow_type), (_index), (_sub_index)); \ |
| 146 | if (!_index) \ |
| 147 | { \ |
| 148 | (_rc) = BCM_ERR_NULL; \ |
| 149 | break; \ |
| 150 | } \ |
| 151 | mac_util_db_flows_list[_index][_sub_index] = (_flow_entry); \ |
| 152 | } while (0); |
| 153 | |
| 154 | |
| 155 | /** |
| 156 | * @brief flow Id starting value that can used by SDN User application. |
| 157 | * @details By default the starting flow Id is assumed to be 1. |
| 158 | */ |
| 159 | uint32_t mac_util_flow_id_start_val = 1; |
| 160 | |
| 161 | /** |
| 162 | * @brief flow DB Array |
| 163 | * @details This Array is for upstream & downstream flows and can store BAL_ACC_TERM_MAX_FLOWS flows. |
| 164 | * This array is indexed by BAL flow Id. |
| 165 | * |
| 166 | * @note First entry starts at index 1; (0 is not used). |
| 167 | * |
| 168 | * @note Upstream & Downstream flow types of a pair may use the same Flow Id.Hence there is a sub-array |
| 169 | * of each of Flow Id entry. The sub array has upstream flow entry in index 0 and downstream at index 1. |
| 170 | * Hence, a flow entry is accessible by the key pair {flowId, flowtype}. |
| 171 | * */ |
| 172 | static flow_list_entry *mac_util_db_flows_list[BAL_ACC_TERM_MAX_FLOWS + 1][MAC_UTIL_FLOW_DB_MAX_FLOW_TYPES]; |
| 173 | |
| 174 | |
| 175 | /*****************************************************************************/ |
| 176 | /** Flow DB wrapper Functions */ |
| 177 | |
| 178 | /** @todo in future with a new DB data structure, these wrapper functions would |
| 179 | * be migrated to call those DB apis. |
| 180 | */ |
| 181 | /*****************************************************************************/ |
| 182 | |
| 183 | /** |
| 184 | * @brief Allocate a new flow |
| 185 | * |
| 186 | * @return flow_list_entry pointer to a new flow entry |
| 187 | */ |
| 188 | flow_list_entry *_mac_util_db_flow_alloc (void) |
| 189 | { |
| 190 | flow_list_entry *p_flow = NULL; |
| 191 | |
| 192 | p_flow = bcmos_calloc(sizeof(flow_list_entry)); |
| 193 | /* bcmos_calloc already initializes the memory to 0 */ |
| 194 | |
| 195 | return p_flow; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * @brief Free a flow (free the memory or return it to free pool) |
| 200 | * |
| 201 | * @param pon_if pon interface id |
| 202 | * @param p_entry pointer to a flow entry |
| 203 | * |
| 204 | * @returns bcmos_errno bcm errno |
| 205 | * |
| 206 | * @note it checks if the flow being freed is already removed from flow DB |
| 207 | */ |
| 208 | bcmos_errno _mac_util_db_flow_free (uint32_t pon_if, flow_list_entry *p_entry) |
| 209 | { |
| 210 | bcmos_errno rc = BCM_ERR_OK; |
| 211 | |
| 212 | if (!IS_VALID_PON_IF(pon_if)) |
| 213 | { |
| 214 | return BCM_ERR_PARM; |
| 215 | } |
| 216 | |
| 217 | if (NULL == p_entry) |
| 218 | { |
| 219 | return BCM_ERR_PARM; |
| 220 | } |
| 221 | |
| 222 | /* free the memory */ |
| 223 | bcmos_free(p_entry); |
| 224 | |
| 225 | return rc; |
| 226 | } |
| 227 | |
| 228 | /** |
| 229 | * @brief Add an already allocated flow to flow DB |
| 230 | * |
| 231 | * @param pon_if pon interface id |
| 232 | * @param p_entry pointer to a new flow entry |
| 233 | * |
| 234 | * @returns bcmos_errno bcm errno |
| 235 | * |
| 236 | * @todo in proper DB, it should check if the entry is already in the list or not |
| 237 | */ |
| 238 | bcmos_errno _mac_util_db_flow_add (uint32_t pon_if, flow_list_entry *p_entry) |
| 239 | { |
| 240 | bcmos_errno rc = BCM_ERR_OK; |
| 241 | |
| 242 | if (!IS_VALID_PON_IF(pon_if)) |
| 243 | return BCM_ERR_PARM; |
| 244 | |
| 245 | if (!p_entry) |
| 246 | return BCM_ERR_PARM; |
| 247 | |
| 248 | MAC_UTIL_FLOW_DB_ENTRY_SET(p_entry->bal_flow_key.flow_id, p_entry->bal_flow_key.flow_type, p_entry, rc); |
| 249 | |
| 250 | return rc; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * @brief Remove a flow entry from flow DB |
| 255 | * |
| 256 | * @param pon_if pon interface id |
| 257 | * @param p_entry pointer to a flow entry |
| 258 | * |
| 259 | * @returns bcmos_errno bcm errno |
| 260 | * |
| 261 | * @todo this API will be ported to different DB when we have one |
| 262 | */ |
| 263 | bcmos_errno _mac_util_db_flow_remove (uint32_t pon_if, flow_list_entry *p_entry) |
| 264 | { |
| 265 | bcmos_errno rc = BCM_ERR_OK; |
| 266 | |
| 267 | if (!IS_VALID_PON_IF(pon_if)) |
| 268 | return BCM_ERR_PARM; |
| 269 | |
| 270 | if (!p_entry) |
| 271 | return BCM_ERR_PARM; |
| 272 | |
| 273 | MAC_UTIL_FLOW_DB_ENTRY_SET(p_entry->bal_flow_key.flow_id, p_entry->bal_flow_key.flow_type, NULL, rc); |
| 274 | |
| 275 | return rc; |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * @brief Lookup a flow based on a flow id and pon if |
| 280 | * |
| 281 | * @param pon_if pon interface id |
| 282 | * @param p_flow_key pointer to flow key |
| 283 | * |
| 284 | * @returns flow_list_entry pointer a flow entry in list |
| 285 | */ |
| 286 | flow_list_entry *_mac_util_db_flow_get_w_flow_key (uint32_t pon_if, bcmbal_flow_key *p_flow_key) |
| 287 | { |
| 288 | flow_list_entry *p_flow = NULL; |
| 289 | |
| 290 | if (!IS_VALID_PON_IF(pon_if)) |
| 291 | { |
| 292 | return NULL; |
| 293 | } |
| 294 | |
| 295 | MAC_UTIL_FLOW_DB_ENTRY_GET(p_flow_key->flow_id, p_flow_key->flow_type, p_flow); |
| 296 | |
| 297 | return p_flow; |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * @brief get next flow based on flow id and pon_if |
| 302 | * |
| 303 | * @param pon_if pon interface id |
| 304 | * @param p_curr_entry pointer to current flow entry |
| 305 | * @param pp_next_entry double pointer to next flow entry |
| 306 | * |
| 307 | * @returns flow_list_entry pointer to next flow entry in DB |
| 308 | */ |
| 309 | flow_list_entry *_mac_util_db_flow_get_next_w_flow_key (uint32_t pon_if, flow_list_entry *p_curr_entry, flow_list_entry **pp_next_entry) |
| 310 | { |
| 311 | flow_list_entry *p_tmp_entry = p_curr_entry; |
| 312 | |
| 313 | if (!IS_VALID_PON_IF(pon_if)) |
| 314 | { |
| 315 | BCM_LOG(ERROR,log_id_mac_util,"Invalid pon_if %d !", pon_if); |
| 316 | return NULL; |
| 317 | } |
| 318 | |
| 319 | /** @note this while loop is to continue to iterate through the DB until an entry with matching pon If is found */ |
| 320 | while (1) |
| 321 | { |
| 322 | if (NULL == p_tmp_entry) |
| 323 | { |
| 324 | /* get first flow */ |
| 325 | MAC_UTIL_FLOW_DB_ENTRY_GET_FIRST(p_tmp_entry); |
| 326 | if (p_tmp_entry) |
| 327 | { |
| 328 | MAC_UTIL_FLOW_DB_ENTRY_GET_NEXT(p_tmp_entry, pp_next_entry); |
| 329 | |
| 330 | if (p_tmp_entry && (pon_if == p_tmp_entry->if_id)) |
| 331 | return p_tmp_entry; |
| 332 | } |
| 333 | else |
| 334 | break; /* at the end of list */ |
| 335 | } |
| 336 | else |
| 337 | { |
| 338 | if (NULL != *pp_next_entry) |
| 339 | { |
| 340 | p_tmp_entry = *pp_next_entry; |
| 341 | MAC_UTIL_FLOW_DB_ENTRY_GET_NEXT(p_tmp_entry, pp_next_entry); |
| 342 | |
| 343 | if (pon_if == p_tmp_entry->if_id) |
| 344 | return p_tmp_entry; |
| 345 | } |
| 346 | else |
| 347 | break; /* at the end of list */ |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | return NULL; |
| 352 | } |
| 353 | |
| 354 | |
| 355 | /** |
| 356 | * @brief get next flow based on sub terminal id |
| 357 | * |
| 358 | * @param pon_if pon interface id |
| 359 | * @param sub_term_id sub term id as the key |
| 360 | * @param p_curr_entry pointer to current flow entry |
| 361 | * @param pp_next_entry double pointer to next flow entry |
| 362 | * |
| 363 | * @returns flow_list_entry pointer to next flow entry in DB |
| 364 | * |
| 365 | */ |
| 366 | flow_list_entry *_mac_util_db_flow_get_next_w_sub_term_id (uint32_t pon_if, uint32_t sub_term_id, |
| 367 | flow_list_entry *p_curr_entry, flow_list_entry **pp_next_entry) |
| 368 | { |
| 369 | flow_list_entry *p_tmp_entry = NULL; |
| 370 | |
| 371 | if (!IS_VALID_PON_IF(pon_if)) |
| 372 | { |
| 373 | BCM_LOG(ERROR,log_id_mac_util,"Invalid pon_if %d !", pon_if); |
| 374 | return NULL; |
| 375 | } |
| 376 | |
| 377 | p_tmp_entry = _mac_util_db_flow_get_next_w_flow_key (pon_if, p_curr_entry, pp_next_entry); |
| 378 | |
| 379 | while (NULL != p_tmp_entry) |
| 380 | { |
| 381 | if (sub_term_id == p_tmp_entry->sub_term_id) |
| 382 | { |
| 383 | /* found sub_term match */ |
| 384 | return p_tmp_entry; |
| 385 | } |
| 386 | /** @note passing tmp entry here because this is a getnext loop internal to this routine */ |
| 387 | p_tmp_entry = _mac_util_db_flow_get_next_w_flow_key (pon_if, p_tmp_entry, pp_next_entry); |
| 388 | } |
| 389 | |
| 390 | return NULL; |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * @brief count of flows using a gem port and pon_if |
| 395 | * |
| 396 | * @param pon_if pon interface id |
| 397 | * @param gem_port_id gem port id as the key |
| 398 | * @param p_count pointer to U32 to save count of flows using the same gem port |
| 399 | * |
| 400 | * @returns bcmos_errno bcm errno |
| 401 | * |
| 402 | */ |
| 403 | bcmos_errno _mac_util_db_flow_count_w_gem (uint32_t pon_if, uint16_t gem_port_id, uint32_t *p_count) |
| 404 | { |
| 405 | uint32_t count = 0; |
| 406 | flow_list_entry *p_tmp_entry = NULL; |
| 407 | void *p_rsc_mgr_curr_entry = NULL; |
| 408 | void *p_rsc_mgr_next_entry = NULL; |
| 409 | |
| 410 | BUG_ON(NULL == p_count); |
| 411 | |
| 412 | if (!IS_VALID_PON_IF(pon_if)) |
| 413 | { |
| 414 | BCM_LOG(ERROR,log_id_mac_util,"Invalid pon_if %d !", pon_if); |
| 415 | return BCM_ERR_PARM; |
| 416 | } |
| 417 | |
| 418 | p_tmp_entry = _mac_util_db_flow_get_next_w_gem (pon_if, gem_port_id, &p_rsc_mgr_curr_entry, &p_rsc_mgr_next_entry); |
| 419 | while (NULL != p_tmp_entry) |
| 420 | { |
| 421 | count++; |
| 422 | p_tmp_entry = _mac_util_db_flow_get_next_w_gem (pon_if, gem_port_id, &p_rsc_mgr_curr_entry, &p_rsc_mgr_next_entry); |
| 423 | } |
| 424 | |
| 425 | *p_count = count; |
| 426 | return BCM_ERR_OK; |
| 427 | } |
| 428 | |
| 429 | |
| 430 | /** |
| 431 | * @brief get next flow based on gem and pon if |
| 432 | * |
| 433 | * @param pon_if pon interface id |
| 434 | * @param gem_port_id gem port id as the key |
| 435 | * @param **pp_rsc_mgr_curr_entry double pointer to current entry in Rsrc Mgr Database |
| 436 | * @param **pp_rsc_mgr_next_entry double pointer to next entry in Rsrc Mgr Database |
| 437 | * |
| 438 | * @returns flow_list_entry pointer to next flow entry in DB |
| 439 | * |
| 440 | * @note this queries resource mgr DB |
| 441 | */ |
| 442 | flow_list_entry *_mac_util_db_flow_get_next_w_gem (uint32_t pon_if, uint16_t gem_port_id, |
| 443 | void **pp_rsc_mgr_curr_entry, void **pp_rsc_mgr_next_entry) |
| 444 | { |
| 445 | flow_inst *p_core_flow_entry = NULL; |
| 446 | flow_list_entry *p_flow_entry = NULL; |
| 447 | |
| 448 | if (!IS_VALID_PON_IF(pon_if)) |
| 449 | { |
| 450 | BCM_LOG(ERROR,log_id_mac_util,"Invalid pon_if %d !", pon_if); |
| 451 | return NULL; |
| 452 | } |
| 453 | |
| 454 | p_core_flow_entry = rsc_mgr_gem_get_next_user_data (pon_if, gem_port_id, pp_rsc_mgr_curr_entry, pp_rsc_mgr_next_entry); |
| 455 | |
| 456 | while (NULL != p_core_flow_entry) |
| 457 | { |
| 458 | p_flow_entry = _mac_util_db_flow_get_w_flow_key(pon_if, &p_core_flow_entry->current_flow_info.key); |
| 459 | if (p_flow_entry) |
| 460 | { |
| 461 | /* found gem match */ |
| 462 | return p_flow_entry; |
| 463 | } |
| 464 | p_core_flow_entry = rsc_mgr_gem_get_next_user_data (pon_if, gem_port_id, pp_rsc_mgr_curr_entry, pp_rsc_mgr_next_entry); |
| 465 | } |
| 466 | |
| 467 | return NULL; |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * @brief count of flows using an alloc id and pon if |
| 472 | * |
| 473 | * @param pon_if pon interface id |
| 474 | * @param alloc_id alloc id as the key |
| 475 | * @param p_count pointer to U32 that save the count of flows using the same alloc id |
| 476 | * |
| 477 | * @returns bcmos_errno bcm errno |
| 478 | */ |
| 479 | bcmos_errno _mac_util_db_flow_count_w_alloc_id (uint32_t pon_if, uint16_t alloc_id, uint32_t *p_count) |
| 480 | { |
| 481 | uint32_t count = 0; |
| 482 | flow_list_entry *p_tmp_entry = NULL; |
| 483 | void *p_rsc_mgr_curr_entry = NULL; |
| 484 | void *p_rsc_mgr_next_entry = NULL; |
| 485 | |
| 486 | BUG_ON( NULL == p_count); |
| 487 | |
| 488 | if (!IS_VALID_PON_IF(pon_if)) |
| 489 | { |
| 490 | BCM_LOG(ERROR,log_id_mac_util,"Invalid pon_if %d !", pon_if); |
| 491 | return BCM_ERR_PARM; |
| 492 | } |
| 493 | |
| 494 | p_tmp_entry = _mac_util_db_flow_get_next_w_alloc_id (pon_if, alloc_id, &p_rsc_mgr_curr_entry, &p_rsc_mgr_next_entry); |
| 495 | while (NULL != p_tmp_entry) |
| 496 | { |
| 497 | count++; |
| 498 | p_tmp_entry = _mac_util_db_flow_get_next_w_alloc_id (pon_if, alloc_id, &p_rsc_mgr_curr_entry, &p_rsc_mgr_next_entry); |
| 499 | } |
| 500 | |
| 501 | *p_count = count; |
| 502 | return BCM_ERR_OK; |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * @brief get next flow based on upstream alloc id and pon if |
| 507 | * |
| 508 | * @param pon_if pon interface id |
| 509 | * @param alloc_id alloc id as the key |
| 510 | * @param **pp_rsc_mgr_curr_entry double pointer to current entry in Rsrc Mgr Database |
| 511 | * @param **pp_rsc_mgr_next_entry double pointer to next entry in Rsrc Mgr Database |
| 512 | * |
| 513 | * @returns flow_list_entry pointer to next flow entry in DB |
| 514 | * |
| 515 | * @note this queries resource mgr DB |
| 516 | */ |
| 517 | flow_list_entry *_mac_util_db_flow_get_next_w_alloc_id (uint32_t pon_if, uint16_t alloc_id, |
| 518 | void **pp_rsc_mgr_curr_entry, void **pp_rsc_mgr_next_entry) |
| 519 | { |
| 520 | flow_inst *p_core_flow_entry = NULL; |
| 521 | flow_list_entry *p_flow_entry = NULL; |
| 522 | |
| 523 | if (!IS_VALID_PON_IF(pon_if)) |
| 524 | { |
| 525 | BCM_LOG(ERROR,log_id_mac_util,"Invalid pon_if %d !", pon_if); |
| 526 | return NULL; |
| 527 | } |
| 528 | |
| 529 | p_core_flow_entry = rsc_mgr_alloc_id_get_next_user_data(pon_if, alloc_id, pp_rsc_mgr_curr_entry, pp_rsc_mgr_next_entry); |
| 530 | |
| 531 | while (NULL != p_core_flow_entry) |
| 532 | { |
| 533 | p_flow_entry = _mac_util_db_flow_get_w_flow_key(pon_if, &p_core_flow_entry->current_flow_info.key); |
| 534 | if (p_flow_entry) |
| 535 | { |
| 536 | /* found alloc id match */ |
| 537 | return p_flow_entry; |
| 538 | } |
| 539 | p_core_flow_entry = rsc_mgr_alloc_id_get_next_user_data(pon_if, alloc_id, pp_rsc_mgr_curr_entry, pp_rsc_mgr_next_entry); |
| 540 | } |
| 541 | |
| 542 | return NULL; |
| 543 | } |
| 544 | |
| 545 | /*@}*/ |