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 flow_fsm.c |
| 34 | * @brief Code to support the BAL flow FSM |
| 35 | * |
| 36 | * @addtogroup flow |
| 37 | * |
| 38 | */ |
| 39 | |
| 40 | /*@{*/ |
| 41 | |
| 42 | #include <bcmos_system.h> |
| 43 | #include <flow_fsm.h> |
| 44 | #include <tm_sched_fsm.h> |
| 45 | #include <tm_queue_fsm.h> |
| 46 | |
| 47 | |
| 48 | #include <bal_msg.h> |
| 49 | #include <bal_osmsg.h> |
| 50 | #include "bal_worker.h" |
| 51 | #include "bal_mac_util.h" |
| 52 | #include "bal_switch_util.h" |
| 53 | #include "rsc_mgr.h" |
| 54 | |
| 55 | #include <bal_objs.h> |
| 56 | #include <fsm_common.h> |
| 57 | #include <bal_switch_flow.h> |
| 58 | |
| 59 | #ifdef ENABLE_LOG |
| 60 | #include <bcm_dev_log.h> |
| 61 | |
| 62 | /* |
| 63 | * @brief The logging device id for flow |
| 64 | */ |
| 65 | static dev_log_id log_id_flow; |
| 66 | #endif |
| 67 | |
| 68 | /* local function declarations */ |
| 69 | static bcmos_errno flow_fsm_admin_up_start(flow_inst *p_flow_inst, |
| 70 | void *msg, |
| 71 | flow_fsm_event *p_event); |
| 72 | |
| 73 | static bcmos_errno flow_fsm_admin_up_error(flow_inst *p_flow_inst, |
| 74 | void *msg, |
| 75 | flow_fsm_event *p_event); |
| 76 | |
| 77 | static bcmos_errno flow_fsm_admin_dn_start(flow_inst *p_flow_inst, |
| 78 | void *msg, |
| 79 | flow_fsm_event *p_event); |
| 80 | |
| 81 | static bcmos_errno flow_fsm_admin_dn_ok(flow_inst *p_flow_inst, |
| 82 | void *msg, |
| 83 | flow_fsm_event *p_event); |
| 84 | |
| 85 | static bcmos_errno flow_fsm_admin_dn_error(flow_inst *p_flow_inst, |
| 86 | void *msg, |
| 87 | flow_fsm_event *p_event); |
| 88 | |
| 89 | static bcmos_errno flow_fsm_ignore_util_msg(flow_inst *p_flow_inst, |
| 90 | void *msg, |
| 91 | flow_fsm_event *p_event); |
| 92 | |
| 93 | static bcmos_errno flow_fsm_removing_process_util_msg(flow_inst *p_flow_inst, |
| 94 | void *msg, |
| 95 | flow_fsm_event *p_event); |
| 96 | |
| 97 | static bcmos_errno flow_fsm_removing_process_util_auto_msg(flow_inst *p_flow_inst, |
| 98 | void *msg, |
| 99 | flow_fsm_event *p_event); |
| 100 | |
| 101 | static bcmos_errno flow_fsm_null_process_util_auto_msg(flow_inst *p_flow_inst, |
| 102 | void *msg, |
| 103 | flow_fsm_event *p_event); |
| 104 | |
| 105 | static bcmos_errno flow_fsm_process_util_msg(flow_inst *p_flow_inst, |
| 106 | void *msg, |
| 107 | flow_fsm_event *p_event); |
| 108 | |
| 109 | static bcmos_errno flow_fsm_process_util_auto_msg(flow_inst *p_flow_inst, |
| 110 | void *msg, |
| 111 | flow_fsm_event *p_event); |
| 112 | |
| 113 | static bcmos_errno flow_fsm_clear_start(flow_inst *p_flow_inst, |
| 114 | void *msg, |
| 115 | flow_fsm_event *p_event); |
| 116 | |
| 117 | |
| 118 | static bcmos_errno flow_fsm_state_err(flow_inst *p_flow_inst, |
| 119 | void *msg, |
| 120 | flow_fsm_event *p_event); |
| 121 | |
| 122 | static bcmos_errno flow_fsm_exec(flow_inst *p_flow_inst, flow_fsm_event *p_event); |
| 123 | |
| 124 | static flow_inst *flow_inst_get(bcmbal_flow_key *key, flow_flag search_flag, bcmos_bool *is_new_flow); |
| 125 | |
| 126 | |
| 127 | #ifdef FREE_FLOW_BY_KEY_SUPPORTED |
| 128 | static bcmos_errno flow_free_by_key(bcmbal_flow_key *key); |
| 129 | #endif |
| 130 | static bcmos_errno flow_free_by_entry(flow_inst *p_entry); |
| 131 | |
| 132 | static bcmos_errno flow_tm_get(bcmbal_flow_cfg *p_flow_info, tm_sched_inst **p_tm_sched_inst); |
| 133 | static bcmos_errno flow_queue_validate(bcmbal_flow_cfg *p_flow_cfg, tm_queue_inst **p_tm_queue_inst); |
| 134 | |
| 135 | |
| 136 | /* |
| 137 | * @brief The Global flow fsm context data structure |
| 138 | */ |
| 139 | static flow_fsm_ctx g_flow_fsm_flow_list_ctx; |
| 140 | |
| 141 | /* |
| 142 | * Macros for flow ctx access |
| 143 | */ |
| 144 | #define FLOW_FSM_FLOW_LIST_CTX (g_flow_fsm_flow_list_ctx) |
| 145 | #define FLOW_FSM_FLOW_LIST_CTX_PTR (&g_flow_fsm_flow_list_ctx) |
| 146 | |
| 147 | /* |
| 148 | * @brief The definition of a flow FSM state processing function |
| 149 | */ |
| 150 | typedef bcmos_errno (* flow_fsm_state_processor)(flow_inst *, void *, flow_fsm_event *); |
| 151 | |
| 152 | /* |
| 153 | * @brief The Flow FSM state processing array |
| 154 | */ |
| 155 | static flow_fsm_state_processor flow_states[FLOW_FSM_STATE__NUM_OF][FLOW_FSM_EVENT_TYPE__NUM_OF] = |
| 156 | { |
| 157 | |
| 158 | [FLOW_FSM_STATE_NULL] = |
| 159 | { |
| 160 | /* |
| 161 | * Next state: CONFIGURING |
| 162 | */ |
| 163 | [FLOW_FSM_EVENT_TYPE_ADMIN_UP] = flow_fsm_admin_up_start, |
| 164 | |
| 165 | /* |
| 166 | * Next state: NULL |
| 167 | */ |
| 168 | [FLOW_FSM_EVENT_TYPE_ADMIN_DN] = flow_fsm_admin_dn_ok, |
| 169 | |
| 170 | /* |
| 171 | * Next state: NULL |
| 172 | */ |
| 173 | [FLOW_FSM_EVENT_TYPE_UTIL_MSG] = flow_fsm_ignore_util_msg, |
| 174 | |
| 175 | /* |
| 176 | * Next state: NULL |
| 177 | */ |
| 178 | [FLOW_FSM_EVENT_TYPE_UTIL_AUTO_MSG] = flow_fsm_null_process_util_auto_msg, |
| 179 | }, |
| 180 | [FLOW_FSM_STATE_CONFIGURING] = |
| 181 | { |
| 182 | /* |
| 183 | * Next state: CONFIGURING |
| 184 | */ |
| 185 | [FLOW_FSM_EVENT_TYPE_ADMIN_UP] = flow_fsm_admin_up_start, |
| 186 | |
| 187 | /* |
| 188 | * Next state: CONFIGURING |
| 189 | */ |
| 190 | [FLOW_FSM_EVENT_TYPE_ADMIN_DN] = flow_fsm_admin_dn_start, |
| 191 | |
| 192 | /* |
| 193 | * Next state: CONFIGURING | CONFIGURED |
| 194 | */ |
| 195 | [FLOW_FSM_EVENT_TYPE_UTIL_MSG] = flow_fsm_process_util_msg, |
| 196 | |
| 197 | /* |
| 198 | * Next state: REMOVING |
| 199 | */ |
| 200 | [FLOW_FSM_EVENT_TYPE_REMOVE] = flow_fsm_clear_start, |
| 201 | |
| 202 | /* |
| 203 | * Next state: CONFIGURING |
| 204 | */ |
| 205 | [FLOW_FSM_EVENT_TYPE_UTIL_AUTO_MSG] = flow_fsm_process_util_auto_msg, |
| 206 | |
| 207 | }, |
| 208 | |
| 209 | [FLOW_FSM_STATE_CONFIGURED] = |
| 210 | { |
| 211 | /* |
| 212 | * Next state: CONFIGURED |
| 213 | */ |
| 214 | [FLOW_FSM_EVENT_TYPE_ADMIN_UP] = flow_fsm_admin_up_start, |
| 215 | |
| 216 | /* |
| 217 | * Next state: CONFIGURING |
| 218 | */ |
| 219 | [FLOW_FSM_EVENT_TYPE_ADMIN_DN] = flow_fsm_admin_dn_start, |
| 220 | |
| 221 | /* |
| 222 | * Next state: REMOVING |
| 223 | */ |
| 224 | [FLOW_FSM_EVENT_TYPE_REMOVE] = flow_fsm_clear_start, |
| 225 | |
| 226 | /* |
| 227 | * Next state: CONFIGURING |
| 228 | */ |
| 229 | [FLOW_FSM_EVENT_TYPE_UTIL_MSG] = flow_fsm_process_util_msg, |
| 230 | |
| 231 | /* |
| 232 | * Next state: CONFIGURED |
| 233 | */ |
| 234 | [FLOW_FSM_EVENT_TYPE_UTIL_AUTO_MSG] = flow_fsm_process_util_auto_msg, |
| 235 | |
| 236 | }, |
| 237 | |
| 238 | [FLOW_FSM_STATE_REMOVING] = |
| 239 | { |
| 240 | /* |
| 241 | * Next state: REMOVING |
| 242 | */ |
| 243 | [FLOW_FSM_EVENT_TYPE_ADMIN_UP] = flow_fsm_admin_up_error, |
| 244 | |
| 245 | /* |
| 246 | * Next state: REMOVING |
| 247 | */ |
| 248 | [FLOW_FSM_EVENT_TYPE_ADMIN_DN] = flow_fsm_admin_dn_error, |
| 249 | |
| 250 | /* |
| 251 | * Next state: REMOVING | NULL |
| 252 | */ |
| 253 | [FLOW_FSM_EVENT_TYPE_UTIL_MSG] = flow_fsm_removing_process_util_msg, |
| 254 | |
| 255 | /* |
| 256 | * Next state: REMOVING |
| 257 | */ |
| 258 | [FLOW_FSM_EVENT_TYPE_UTIL_AUTO_MSG] = flow_fsm_removing_process_util_auto_msg, |
| 259 | }, |
| 260 | |
| 261 | }; |
| 262 | |
| 263 | static char *state_name_str[] = |
| 264 | { |
| 265 | "FLOW_FSM_STATE_NULL", |
| 266 | "FLOW_FSM_STATE_CONFIGURING", |
| 267 | "FLOW_FSM_STATE_CONFIGURED", |
| 268 | "FLOW_FSM_STATE_REMOVING", |
| 269 | }; |
| 270 | |
| 271 | /* Ensure that the name array size matches the associated enum */ |
| 272 | BAL_STATIC_ASSERT (FLOW_FSM_STATE__LAST == (sizeof (state_name_str) / sizeof (char *)), flow_fsm_state); |
| 273 | |
| 274 | static char *flow_state_name_get(flow_fsm_state state) |
| 275 | { |
| 276 | if(state < FLOW_FSM_STATE__LAST) |
| 277 | { |
| 278 | return state_name_str[state]; |
| 279 | } |
| 280 | else |
| 281 | { |
| 282 | return "FLOW_UNKNOWN"; |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | static char *event_name_str[] = |
| 287 | { |
| 288 | "FLOW_FSM_ADMIN_UP_EVENT", |
| 289 | "FLOW_FSM_ADMIN_DN_EVENT", |
| 290 | "FLOW_FSM_REMOVE_EVENT", |
| 291 | "FLOW_FSM_UTIL_MSG_EVENT", |
| 292 | "FLOW_FSM_UTIL_AUTO_MSG_EVENT", |
| 293 | }; |
| 294 | |
| 295 | /* Ensure that the name array size matches the associated enum */ |
| 296 | BAL_STATIC_ASSERT (FLOW_FSM_EVENT_TYPE__LAST == (sizeof (event_name_str) / sizeof (char *)), flow_fsm_event_type); |
| 297 | |
| 298 | static char *flow_event_name_get(flow_fsm_event_type event) |
| 299 | { |
| 300 | if(event < FLOW_FSM_EVENT_TYPE__LAST) |
| 301 | { |
| 302 | return event_name_str[event]; |
| 303 | } |
| 304 | else |
| 305 | { |
| 306 | return "FLOW_EVT_UNKNOWN"; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | /*****************************************************************************/ |
| 311 | /** |
| 312 | * @brief A function to initialize the current_flow_info object of the |
| 313 | * supplied entry. |
| 314 | * |
| 315 | * @param p_entry A pointer to the entry to be initialized |
| 316 | * |
| 317 | * |
| 318 | * @returns void |
| 319 | *****************************************************************************/ |
| 320 | static void flow_inst_entry_obj_init(flow_inst *p_entry) |
| 321 | { |
| 322 | /* The actual key content is irrelevant for free flows */ |
| 323 | bcmbal_flow_key key = { .flow_id = 0, .flow_type = BCMBAL_FLOW_TYPE_DOWNSTREAM }; |
| 324 | |
| 325 | BCMBAL_CFG_INIT(&p_entry->current_flow_info, |
| 326 | flow, |
| 327 | key); |
| 328 | |
| 329 | BCMBAL_CFG_PROP_SET(&p_entry->current_flow_info, |
| 330 | flow, |
| 331 | admin_state, |
| 332 | BCMBAL_STATE_DOWN); |
| 333 | |
| 334 | BCMBAL_CFG_PROP_SET(&p_entry->current_flow_info, |
| 335 | flow, |
| 336 | oper_status, |
| 337 | BCMBAL_STATUS_DOWN); |
| 338 | |
| 339 | BCMBAL_OBJ_IN_PROGRESS_SET(&(p_entry->current_flow_info), BCMOS_FALSE); |
| 340 | |
| 341 | } |
| 342 | |
| 343 | /*****************************************************************************/ |
| 344 | /** |
| 345 | * @brief A function to initialize the Flow FSM infrastructure. |
| 346 | * |
| 347 | * NOTE: This is called once on startup and NOT for each FSM instance. |
| 348 | * |
| 349 | * @returns bcmos_errno |
| 350 | *****************************************************************************/ |
| 351 | bcmos_errno flow_fsm_init(void) |
| 352 | { |
| 353 | int ii; |
| 354 | flow_inst *new_entry; |
| 355 | bcmos_errno ret = BCM_ERR_OK; |
| 356 | |
| 357 | #ifdef ENABLE_LOG |
| 358 | log_id_flow = bcm_dev_log_id_register("FLOW", DEV_LOG_LEVEL_INFO, DEV_LOG_ID_TYPE_BOTH); |
| 359 | BUG_ON(log_id_flow == DEV_LOG_INVALID_ID); |
| 360 | #endif |
| 361 | |
| 362 | /* Initialize all of the flow queues */ |
| 363 | TAILQ_INIT(&FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list); |
| 364 | TAILQ_INIT(&FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list); |
| 365 | |
| 366 | /* Populate the free list with it's initial set of flows |
| 367 | */ |
| 368 | for(ii=0; ii<FLOW_ALLOCATION_BLOCK_SIZE; ii++) |
| 369 | { |
| 370 | |
| 371 | new_entry = bcmos_calloc(sizeof(flow_inst)); |
| 372 | |
| 373 | if (NULL == new_entry) |
| 374 | { |
| 375 | BCM_LOG(FATAL, log_id_flow, "Failed to initialize the flow free list - FATAL\n"); |
| 376 | ret = BCM_ERR_NOMEM; |
| 377 | break; |
| 378 | } |
| 379 | |
| 380 | flow_free_by_entry(new_entry); |
| 381 | } |
| 382 | |
| 383 | return ret; |
| 384 | } |
| 385 | |
| 386 | /*****************************************************************************/ |
| 387 | /** |
| 388 | * @brief A function to un-initialize the Flow FSM infrastructure. |
| 389 | * |
| 390 | * NOTE: This is called once on shutdown and NOT for each FSM instance. |
| 391 | * |
| 392 | * @returns bcmos_errno |
| 393 | *****************************************************************************/ |
| 394 | bcmos_errno flow_fsm_finish(void) |
| 395 | { |
| 396 | |
| 397 | flow_inst *current_entry, *p_temp_entry; |
| 398 | |
| 399 | /* Free all the entries on the active list */ |
| 400 | TAILQ_FOREACH_SAFE(current_entry, |
| 401 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 402 | flow_inst_next, |
| 403 | p_temp_entry) |
| 404 | { |
| 405 | /* Remove it from the active list */ |
| 406 | TAILQ_REMOVE(&FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, current_entry, flow_inst_next); |
| 407 | |
| 408 | bcmos_free(current_entry); |
| 409 | |
| 410 | } |
| 411 | |
| 412 | /* Free all the entries on the free list */ |
| 413 | TAILQ_FOREACH_SAFE(current_entry, |
| 414 | &FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list, |
| 415 | flow_inst_next, |
| 416 | p_temp_entry) |
| 417 | { |
| 418 | /* Remove it from the active list */ |
| 419 | TAILQ_REMOVE(&FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list, current_entry, flow_inst_next); |
| 420 | |
| 421 | bcmos_free(current_entry); |
| 422 | } |
| 423 | |
| 424 | return BCM_ERR_OK; |
| 425 | } |
| 426 | |
| 427 | /*****************************************************************************/ |
| 428 | /** |
| 429 | * @brief The Flow FSM state processing executive function |
| 430 | * |
| 431 | * @param p_flow_inst Pointer to a flow instance |
| 432 | * @param p_event Pointer to a flow event structure |
| 433 | * |
| 434 | * @returns bcmos_errno |
| 435 | *****************************************************************************/ |
| 436 | static bcmos_errno flow_fsm_exec(flow_inst *p_flow_inst, flow_fsm_event *p_event) |
| 437 | { |
| 438 | bcmos_errno ret = BCM_ERR_OK; |
| 439 | flow_fsm_state pre_state; |
| 440 | flow_fsm_state_processor flow_state_processor; |
| 441 | |
| 442 | /* Parameter checks */ |
| 443 | BUG_ON(NULL == p_flow_inst); |
| 444 | BUG_ON(NULL == p_event); |
| 445 | |
| 446 | /* Record the present state for debug printing |
| 447 | */ |
| 448 | pre_state = p_flow_inst->fsm_state; |
| 449 | |
| 450 | /* |
| 451 | * Get the state processing function |
| 452 | */ |
| 453 | flow_state_processor = flow_states[p_flow_inst->fsm_state][p_event->event_type]; |
| 454 | |
| 455 | /* |
| 456 | * If there's a state processing function for this event and state, execute it. |
| 457 | * Otherwise, process a generic error. |
| 458 | */ |
| 459 | if (flow_state_processor) |
| 460 | { |
| 461 | ret = flow_state_processor(p_flow_inst, p_event->msg, p_event); |
| 462 | } else |
| 463 | { |
| 464 | flow_fsm_state_err(p_flow_inst, p_event->msg, p_event); |
| 465 | } |
| 466 | |
| 467 | if(BCM_ERR_OK != ret) |
| 468 | { |
| 469 | BCM_LOG(ERROR, log_id_flow, "*** Error detected during state processing\n"); |
| 470 | p_flow_inst->fsm_state = pre_state; |
| 471 | } |
| 472 | |
| 473 | BCM_LOG(DEBUG, log_id_flow, "*** Event %s, State: %s --> %s\n\n", |
| 474 | flow_event_name_get(p_event->event_type), |
| 475 | flow_state_name_get(pre_state), |
| 476 | flow_state_name_get(p_flow_inst->fsm_state)); |
| 477 | |
| 478 | return ret; |
| 479 | } |
| 480 | |
| 481 | |
| 482 | |
| 483 | |
| 484 | /*****************************************************************************/ |
| 485 | /** |
| 486 | * @brief The Flow FSM state processing for a flow admin-up command received |
| 487 | * from the BAL Public API when the specified flow instance is in the |
| 488 | * admin-down state (i.e. when the flow instance FSM is in the NULL state). |
| 489 | * |
| 490 | * @param p_flow_inst Pointer to an flow instance |
| 491 | * @param msg Pointer to a BAL message received from the BAL Public API |
| 492 | * @param p_event Pointer to an flow event structure |
| 493 | * |
| 494 | * @returns bcmos_errno |
| 495 | *****************************************************************************/ |
| 496 | static bcmos_errno flow_fsm_admin_up_start(flow_inst *p_flow_inst, |
| 497 | void *msg, |
| 498 | flow_fsm_event *p_event) |
| 499 | { |
| 500 | |
| 501 | bcmos_errno ret = BCM_ERR_OK; |
| 502 | bcmos_bool is_ds_flow_to_host, is_ds_n_to_1; |
| 503 | |
| 504 | |
| 505 | BCM_LOG(INFO, log_id_flow, "Got admin UP request from BAL API - bringing up FLOW\n"); |
| 506 | |
| 507 | do |
| 508 | { |
| 509 | /* change Flow state to CONFIGURING */ |
| 510 | p_flow_inst->fsm_state = FLOW_FSM_STATE_CONFIGURING; |
| 511 | |
| 512 | /*– Core calls Switch Utils to add applicable CMDs */ |
| 513 | if(BCM_ERR_OK != (ret = sw_util_flow_set(p_flow_inst, BAL_UTIL_OPER_FLOW_ADD))) |
| 514 | { |
| 515 | BCM_LOG(ERROR, log_id_flow, "error %s detected by switch util while adding flow\n", bcmos_strerror(ret)); |
| 516 | break; |
| 517 | } |
| 518 | |
| 519 | /*– Core calls Mac Utils add applicable CMDs */ |
| 520 | if(BCM_ERR_OK != (ret = mac_util_flow_set(p_flow_inst, BAL_UTIL_OPER_FLOW_ADD))) |
| 521 | { |
| 522 | BCM_LOG(ERROR, log_id_flow, "error %s detected by mac util\n", bcmos_strerror(ret)); |
| 523 | |
| 524 | /* Remove the (just added) flow from the switch otherwise the switch utils |
| 525 | * will remember it and complain when this flow is added later. There's not |
| 526 | * much we can do about it if removing this flow fails. |
| 527 | */ |
| 528 | if(BCM_ERR_OK != sw_util_flow_set(p_flow_inst, BAL_UTIL_OPER_FLOW_CLEAR)) |
| 529 | { |
| 530 | BCM_LOG(ERROR, log_id_flow, |
| 531 | "error detected by switch util while removing flow\n"); |
| 532 | } |
| 533 | |
| 534 | break; |
| 535 | } |
| 536 | |
| 537 | /* The hardware has properly accepted the object info, so the request object becomes |
| 538 | * the current state. |
| 539 | */ |
| 540 | bcmbal_flow_object_overlay_w_src_priority(&p_flow_inst->current_flow_info, |
| 541 | &p_flow_inst->api_req_flow_info); |
| 542 | |
| 543 | is_ds_flow_to_host = (BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_inst->api_req_flow_info.key.flow_type && |
| 544 | (BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(&p_flow_inst->api_req_flow_info, flow, action) && |
| 545 | (p_flow_inst->api_req_flow_info.data.action.cmds_bitmask & |
| 546 | BCMBAL_ACTION_CMD_ID_TRAP_TO_HOST))); |
| 547 | |
| 548 | is_ds_n_to_1 = ((BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) && |
| 549 | (BCMBAL_CFG_PROP_IS_SET(&p_flow_inst->api_req_flow_info, flow, group_id) )); |
| 550 | |
| 551 | |
| 552 | /* Add the svc_port_id record to the sub_term record for upstream flows, |
| 553 | * or for downstream flows that are not destined to the host |
| 554 | */ |
| 555 | if(BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type || |
| 556 | (BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_inst->api_req_flow_info.key.flow_type && |
| 557 | !(is_ds_flow_to_host) && !(is_ds_n_to_1))) |
| 558 | |
| 559 | { |
| 560 | bcmbal_sub_term_svc_port_id_list_entry_add(p_flow_inst->p_sub_term_inst, |
| 561 | p_flow_inst->api_req_flow_info.data.svc_port_id); |
| 562 | } |
| 563 | |
| 564 | /* Add the agg_port_id to the sub_term record (only for upstream flows) */ |
| 565 | if(BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) |
| 566 | { |
| 567 | bcmbal_sub_term_agg_port_id_list_entry_add(p_flow_inst->p_sub_term_inst, |
| 568 | p_flow_inst->api_req_flow_info.data.agg_port_id); |
| 569 | } |
| 570 | |
| 571 | BCMBAL_OBJ_IN_PROGRESS_SET(&(p_flow_inst->current_flow_info), BCMOS_TRUE); |
| 572 | |
| 573 | }while(0); |
| 574 | |
| 575 | /* If there were errors during processing, then report the error to the API and free the flow */ |
| 576 | if(BCM_ERR_OK != ret) |
| 577 | { |
| 578 | mgmt_msg_send_balapi_ind(ret, |
| 579 | msg, |
| 580 | log_id_flow); |
| 581 | |
| 582 | flow_free_by_entry(p_flow_inst); |
| 583 | } |
| 584 | |
| 585 | return ret; |
| 586 | |
| 587 | } |
| 588 | |
| 589 | /*****************************************************************************/ |
| 590 | /** |
| 591 | * @brief The Flow FSM state processing for a flow admin-up command received |
| 592 | * from the BAL Public API when the specified flow FSM is already |
| 593 | * in the REMOVING state. |
| 594 | * |
| 595 | * @param p_flow_inst Pointer to a flow instance |
| 596 | * @param msg Pointer to a BAL message received from the BAL Public API |
| 597 | * @param p_event Pointer to an flow event structure |
| 598 | * |
| 599 | * @returns bcmos_errno |
| 600 | *****************************************************************************/ |
| 601 | static bcmos_errno flow_fsm_admin_up_error(flow_inst *p_flow_inst, |
| 602 | void *msg, |
| 603 | flow_fsm_event *p_event) |
| 604 | { |
| 605 | bcmos_errno ret = BCM_ERR_STATE; |
| 606 | |
| 607 | BCM_LOG(DEBUG, log_id_flow, |
| 608 | "Received an admin UP request from BAL API" |
| 609 | " - returning ERROR to the API - no further function\n"); |
| 610 | |
| 611 | return ret; |
| 612 | } |
| 613 | |
| 614 | /*****************************************************************************/ |
| 615 | /** |
| 616 | * @brief The Flow FSM state processing for a flow admin-down command |
| 617 | * received from the BAL Public API when the specified flow is |
| 618 | * admin-up (i.e when the specified flow instance FSM is in the |
| 619 | * CONFIGURED state). |
| 620 | * |
| 621 | * @param p_flow_inst Pointer to a flow instance |
| 622 | * @param msg Pointer to a BAL message received from the BAL Public API |
| 623 | * @param p_event Pointer to a flow event structure |
| 624 | * |
| 625 | * @returns bcmos_errno |
| 626 | *****************************************************************************/ |
| 627 | static bcmos_errno flow_fsm_admin_dn_start(flow_inst *p_flow_inst, |
| 628 | void *msg, |
| 629 | flow_fsm_event *p_event) |
| 630 | { |
| 631 | bcmos_errno ret = BCM_ERR_OK; |
| 632 | |
| 633 | BCM_LOG(INFO, log_id_flow, |
| 634 | "Got admin DOWN request from BAL API - bringing down FLOW\n"); |
| 635 | |
| 636 | /* change Flow state to CONFIGURING */ |
| 637 | p_flow_inst->fsm_state = FLOW_FSM_STATE_CONFIGURING; |
| 638 | |
| 639 | do |
| 640 | { |
| 641 | /*– Core calls Switch Utils to remove applicable CMDs */ |
| 642 | if(BCM_ERR_OK != (ret = sw_util_flow_set(p_flow_inst, BAL_UTIL_OPER_FLOW_REMOVE))) |
| 643 | { |
| 644 | BCM_LOG(ERROR, log_id_flow, "error %s detected by switch util\n", bcmos_strerror(ret)); |
| 645 | break; |
| 646 | } |
| 647 | |
| 648 | /*– Core calls Mac Utils remove applicable CMDs */ |
| 649 | if(BCM_ERR_OK != (ret = mac_util_flow_set(p_flow_inst, BAL_UTIL_OPER_FLOW_REMOVE))) |
| 650 | { |
| 651 | BCM_LOG(ERROR, log_id_flow, "error %s detected by mac util\n", bcmos_strerror(ret)); |
| 652 | break; |
| 653 | } |
| 654 | |
| 655 | /* The hardware has properly accepted the object info but we do |
| 656 | * not overwrite the current flow data as there is nothing in the request |
| 657 | * that is relevant besides the admin_state |
| 658 | */ |
| 659 | BCMBAL_OBJ_IN_PROGRESS_SET(&(p_flow_inst->current_flow_info), BCMOS_TRUE); |
| 660 | |
| 661 | }while(0); |
| 662 | /* Report any error found to the API immediately */ |
| 663 | if(BCM_ERR_OK != ret) |
| 664 | { |
| 665 | mgmt_msg_send_balapi_ind(ret, |
| 666 | msg, |
| 667 | log_id_flow); |
| 668 | } |
| 669 | |
| 670 | return ret; |
| 671 | } |
| 672 | |
| 673 | /*****************************************************************************/ |
| 674 | /** |
| 675 | * @brief The Flow FSM state processing for a flow clear command |
| 676 | * received from the BAL Public API. |
| 677 | * |
| 678 | * @param p_flow_inst Pointer to a flow instance |
| 679 | * @param msg Pointer to a BAL message received from the BAL Public API |
| 680 | * @param p_event Pointer to a flow event structure |
| 681 | * |
| 682 | * @returns bcmos_errno |
| 683 | *****************************************************************************/ |
| 684 | static bcmos_errno flow_fsm_clear_start(flow_inst *p_flow_inst, |
| 685 | void *msg, |
| 686 | flow_fsm_event *p_event) |
| 687 | { |
| 688 | bcmos_errno ret = BCM_ERR_OK; |
| 689 | tm_sched_inst *p_tm_sched_inst; |
| 690 | uint32_t alloc_ref_count; |
| 691 | bcmos_bool b_flow_is_destined_to_host; |
| 692 | tm_queue_inst *p_tm_queue_inst = NULL; |
| 693 | |
| 694 | BCM_LOG(INFO, log_id_flow, |
| 695 | "Got CLEAR request from BAL API - removing FLOW\n"); |
| 696 | |
| 697 | /* change Flow state to REMOVING */ |
| 698 | p_flow_inst->fsm_state = FLOW_FSM_STATE_REMOVING; |
| 699 | |
| 700 | |
| 701 | b_flow_is_destined_to_host = ((BCMBAL_CFG_PROP_IS_SET(&(p_flow_inst->api_req_flow_info), flow, action) && |
| 702 | (p_flow_inst->api_req_flow_info.data.action.cmds_bitmask & |
| 703 | BCMBAL_ACTION_CMD_ID_TRAP_TO_HOST)) ? BCMOS_TRUE : BCMOS_FALSE); |
| 704 | do |
| 705 | { |
| 706 | /*Core calls Switch Utils to clear applicable CMDs */ |
| 707 | if(BCM_ERR_OK != (ret = sw_util_flow_set(p_flow_inst, BAL_UTIL_OPER_FLOW_CLEAR))) |
| 708 | { |
| 709 | BCM_LOG(ERROR, log_id_flow, "error %s detected by switch util\n", bcmos_strerror(ret)); |
| 710 | break; |
| 711 | } |
| 712 | |
| 713 | /*Core calls Mac Utils clear applicable CMDs */ |
| 714 | if(BCM_ERR_OK != (ret = mac_util_flow_set(p_flow_inst, BAL_UTIL_OPER_FLOW_CLEAR))) |
| 715 | { |
| 716 | /* if entry does not exist for a clear, that is fine, since anyway that would have been the end goal */ |
| 717 | if (BCM_ERR_NOENT != ret) |
| 718 | { |
| 719 | BCM_LOG(ERROR, log_id_flow, "error %s detected by mac util\n", bcmos_strerror(ret)); |
| 720 | break; |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | if(BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) |
| 725 | { |
| 726 | /*handle the alloc id and alloc - tm sched*/ |
| 727 | if(BCM_ERR_OK != rsc_mgr_alloc_id_free(p_flow_inst->api_req_flow_info.data.access_int_id, |
| 728 | p_flow_inst->api_req_flow_info.data.agg_port_id, p_flow_inst)) |
| 729 | { |
| 730 | BCM_LOG(ERROR, log_id_flow, |
| 731 | " error encountered during release of flow resources (agg_port_id: %d, intf_id:%d\n", |
| 732 | p_flow_inst->api_req_flow_info.data.access_int_id, |
| 733 | p_flow_inst->api_req_flow_info.data.agg_port_id); |
| 734 | } |
| 735 | /*check if tm sched should be removed - ref count = 1 and tm sched is auto created*/ |
| 736 | if(BCM_ERR_OK != (ret = flow_tm_get(&(p_flow_inst->api_req_flow_info), &p_tm_sched_inst))) |
| 737 | { |
| 738 | |
| 739 | BCM_LOG(ERROR, log_id_flow, |
| 740 | " could not find tm sched for agg_port_id: %d, intf_id:%d\n", |
| 741 | p_flow_inst->api_req_flow_info.data.access_int_id, |
| 742 | p_flow_inst->api_req_flow_info.data.agg_port_id); |
| 743 | break; |
| 744 | } |
| 745 | ret = rsc_mgr_alloc_id_get_ref_count(p_flow_inst->api_req_flow_info.data.access_int_id,p_flow_inst->api_req_flow_info.data.agg_port_id, &alloc_ref_count); |
| 746 | |
| 747 | if(BCM_ERR_OK == ret |
| 748 | && BCMBAL_TM_CREATION_MODE_AUTO == p_tm_sched_inst->req_tm_sched_info.data.creation_mode |
| 749 | && 1 == alloc_ref_count) |
| 750 | { |
| 751 | ret = bcmbal_tm_sched_fsm_active_destroy(p_tm_sched_inst); |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | /*if the flow is not a cpu flow (to host), should handle it sched/queue setting*/ |
| 756 | if(!b_flow_is_destined_to_host) |
| 757 | { |
| 758 | /*remove the flow from the the tm queue list*/ |
| 759 | /*find tm queue instance*/ |
| 760 | ret = flow_queue_validate(&p_flow_inst->api_req_flow_info, &p_tm_queue_inst); |
| 761 | |
| 762 | if (ret != BCM_ERR_OK) |
| 763 | { |
| 764 | ret = BCM_ERR_NOENT; |
| 765 | break; |
| 766 | } |
| 767 | |
| 768 | ret = bcmbal_tm_queue_use_set(p_tm_queue_inst, BCMOS_FALSE); |
| 769 | if (ret != BCM_ERR_OK) |
| 770 | { |
| 771 | ret = BCM_ERR_INTERNAL; |
| 772 | break; |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | /* The hardware has properly accepted the object info, so the request object becomes |
| 777 | * the current state, except for the oper_status. |
| 778 | */ |
| 779 | bcmbal_flow_object_overlay_w_src_priority(&p_flow_inst->current_flow_info, |
| 780 | &p_flow_inst->api_req_flow_info); |
| 781 | |
| 782 | BCMBAL_OBJ_IN_PROGRESS_SET(&(p_flow_inst->current_flow_info), BCMOS_TRUE); |
| 783 | |
| 784 | }while(0); |
| 785 | |
| 786 | /* Report any error found to the API immediately */ |
| 787 | if(BCM_ERR_OK != ret) |
| 788 | { |
| 789 | mgmt_msg_send_balapi_ind(ret, |
| 790 | msg, |
| 791 | log_id_flow); |
| 792 | } |
| 793 | |
| 794 | return ret; |
| 795 | |
| 796 | } |
| 797 | |
| 798 | |
| 799 | /*****************************************************************************/ |
| 800 | /** |
| 801 | * @brief The Flow FSM state processing for a flow admin-down command |
| 802 | * from the BAL Public API when the specified flow is already |
| 803 | * admin-down. |
| 804 | * |
| 805 | * @param p_flow_inst Pointer to a flow instance |
| 806 | * @param msg Pointer to a BAL message received from the BAL Public API |
| 807 | * @param p_event Pointer to an flow event structure |
| 808 | * |
| 809 | * @returns bcmos_errno |
| 810 | *****************************************************************************/ |
| 811 | static bcmos_errno flow_fsm_admin_dn_ok(flow_inst *p_flow_inst, |
| 812 | void *msg, |
| 813 | flow_fsm_event *p_event) |
| 814 | { |
| 815 | bcmos_errno ret = BCM_ERR_OK; |
| 816 | |
| 817 | BCM_LOG(DEBUG, log_id_flow, |
| 818 | "Received an admin DOWN request from BAL API" |
| 819 | " - returning OK to the API - no further function\n"); |
| 820 | |
| 821 | mgmt_msg_send_balapi_ind(ret, |
| 822 | msg, |
| 823 | log_id_flow); |
| 824 | return ret; |
| 825 | } |
| 826 | |
| 827 | /*****************************************************************************/ |
| 828 | /** |
| 829 | * @brief The Flow FSM state processing for a flow admin-down command |
| 830 | * received from the BAL Public API when the specified flow FSM |
| 831 | * is in the CONFIGURING state. |
| 832 | * |
| 833 | * @param p_flow_inst Pointer to a flow instance |
| 834 | * @param msg Pointer to a BAL message received from the BAL Public API |
| 835 | * @param p_event Pointer to a flow event structure |
| 836 | * |
| 837 | * @returns bcmos_errno |
| 838 | *****************************************************************************/ |
| 839 | static bcmos_errno flow_fsm_admin_dn_error(flow_inst *p_flow_inst, |
| 840 | void *msg, |
| 841 | flow_fsm_event *p_event) |
| 842 | { |
| 843 | bcmos_errno ret = BCM_ERR_STATE; |
| 844 | |
| 845 | BCM_LOG(DEBUG, log_id_flow, |
| 846 | "Received an admin DOWN request from BAL API" |
| 847 | " - returning ERROR to the API - no further function\n"); |
| 848 | |
| 849 | return ret; |
| 850 | } |
| 851 | |
| 852 | /*****************************************************************************/ |
| 853 | /** |
| 854 | * @brief The Flow FSM state processing function to ignore a received message. |
| 855 | * |
| 856 | * @param p_flow_inst Pointer to an flow instance |
| 857 | * @param msg Pointer to a BAL message received from the BAL utils |
| 858 | * @param p_event Pointer to an flow event structure |
| 859 | * |
| 860 | * @returns bcmos_errno |
| 861 | *****************************************************************************/ |
| 862 | static bcmos_errno flow_fsm_ignore_util_msg(flow_inst *p_flow_inst, |
| 863 | void *msg, |
| 864 | flow_fsm_event *p_event) |
| 865 | { |
| 866 | bcmos_errno ret = BCM_ERR_OK; |
| 867 | |
| 868 | BCM_LOG(DEBUG, log_id_flow, "Ignoring message from BAL utils\n"); |
| 869 | return ret; |
| 870 | } |
| 871 | |
| 872 | /*****************************************************************************/ |
| 873 | /** |
| 874 | * @brief The Flow FSM state processing function to process an AUTO IND |
| 875 | * message from one of the BAL apps. |
| 876 | * |
| 877 | * @param p_flow_inst Pointer to a flow instance |
| 878 | * @param msg Pointer to a BAL message received from one of |
| 879 | * the BAL apps. |
| 880 | * @param p_event Pointer to a flow event structure |
| 881 | * |
| 882 | * @returns bcmos_errno |
| 883 | *****************************************************************************/ |
| 884 | static bcmos_errno flow_fsm_null_process_util_auto_msg(flow_inst *p_flow_inst, |
| 885 | void *msg, |
| 886 | flow_fsm_event *p_event) |
| 887 | { |
| 888 | bcmos_errno ret = BCM_ERR_OK; |
| 889 | |
| 890 | /* Parameter checks */ |
| 891 | BUG_ON(NULL == p_flow_inst); |
| 892 | BUG_ON(NULL == msg); |
| 893 | BUG_ON(NULL == p_event); |
| 894 | |
| 895 | BCM_LOG(DEBUG, log_id_flow, "Received an AUTO IND in the NULL state\n"); |
| 896 | |
| 897 | return ret; |
| 898 | } |
| 899 | |
| 900 | /*****************************************************************************/ |
| 901 | /** |
| 902 | * @brief The Flow FSM state processing function to process a message from |
| 903 | * one of the BAL apps received when the specified flow instance FSM |
| 904 | * is in the CONFIGURING state. |
| 905 | * |
| 906 | * @param p_flow_inst Pointer to a flow instance |
| 907 | * @param msg Pointer to a BAL message received from one of |
| 908 | * the BAL apps. |
| 909 | * @param p_event Pointer to an access terminal event structure |
| 910 | * |
| 911 | * @returns bcmos_errno |
| 912 | *****************************************************************************/ |
| 913 | static bcmos_errno flow_fsm_process_util_msg(flow_inst *p_flow_inst, |
| 914 | void *msg, |
| 915 | flow_fsm_event *p_event) |
| 916 | { |
| 917 | bcmos_errno ret; |
| 918 | bal_util_msg_ind *ind_msg; |
| 919 | |
| 920 | /* Parameter checks */ |
| 921 | BUG_ON(NULL == p_flow_inst); |
| 922 | BUG_ON(NULL == msg); |
| 923 | BUG_ON(NULL == p_event); |
| 924 | |
| 925 | ind_msg = (bal_util_msg_ind *)msg; |
| 926 | |
| 927 | /* |
| 928 | * NOTE: AUTO_IND messages are not processed in this function, |
| 929 | * so there is no need to consider them in this logic. |
| 930 | */ |
| 931 | |
| 932 | BCM_LOG(DEBUG, log_id_flow, |
| 933 | " Received an IND message from BAL UTIL (%s) during %s state\n", |
| 934 | subsystem_str[bcmbal_sender_get(msg)],flow_state_name_get(p_flow_inst->fsm_state)); |
| 935 | |
| 936 | BCM_LOG(DEBUG, log_id_flow, |
| 937 | "%s, thread %s, module %d\n", __FUNCTION__, bcmos_task_current()->name, bcmos_module_current()); |
| 938 | |
| 939 | /* Handle indication */ |
| 940 | ret = ind_msg->status; |
| 941 | |
| 942 | /* Reflect the execution status in the object being returned in the indication |
| 943 | */ |
| 944 | if(BCM_ERR_OK == ret) |
| 945 | { |
| 946 | p_flow_inst->current_flow_info.data.oper_status = |
| 947 | p_flow_inst->api_req_flow_info.data.oper_status; |
| 948 | |
| 949 | /* |
| 950 | * The flow has been successfully configured |
| 951 | */ |
| 952 | p_flow_inst->fsm_state = FLOW_FSM_STATE_CONFIGURED; |
| 953 | } |
| 954 | else |
| 955 | { |
| 956 | /* Error */ |
| 957 | BCM_LOG(ERROR, log_id_flow, "Flow %d: Failed in state %s. Error %s\n", |
| 958 | p_flow_inst->api_req_flow_info.key.flow_id, |
| 959 | flow_state_name_get(p_flow_inst->fsm_state), |
| 960 | bcmos_strerror(ret)); |
| 961 | } |
| 962 | |
| 963 | BCMBAL_OBJ_IN_PROGRESS_SET(&(p_flow_inst->current_flow_info), BCMOS_FALSE); |
| 964 | p_flow_inst->current_flow_info.hdr.hdr.status = ret; |
| 965 | |
| 966 | /* |
| 967 | * Send the indication back to the BAL public API here |
| 968 | */ |
| 969 | mgmt_msg_send_balapi_ind(ret, |
| 970 | &p_flow_inst->current_flow_info.hdr, |
| 971 | log_id_flow); |
| 972 | |
| 973 | return ret; |
| 974 | } |
| 975 | |
| 976 | /*****************************************************************************/ |
| 977 | /** |
| 978 | * @brief The Flow FSM state processing function to process a message from |
| 979 | * one of the BAL apps received |
| 980 | * |
| 981 | * @param p_flow_inst Pointer to a flow instance |
| 982 | * @param msg Pointer to a BAL message received from one of |
| 983 | * the BAL apps. |
| 984 | * @param p_event Pointer to an access terminal event structure |
| 985 | * |
| 986 | * @returns bcmos_errno |
| 987 | *****************************************************************************/ |
| 988 | static bcmos_errno flow_fsm_process_util_auto_msg(flow_inst *p_flow_inst, |
| 989 | void *msg, |
| 990 | flow_fsm_event *p_event) |
| 991 | { |
| 992 | bcmos_errno ret = BCM_ERR_OK; |
| 993 | bal_util_msg_auto_ind *ind_msg; |
| 994 | |
| 995 | |
| 996 | /* Parameter checks */ |
| 997 | BUG_ON(NULL == p_flow_inst); |
| 998 | BUG_ON(NULL == msg); |
| 999 | BUG_ON(NULL == p_event); |
| 1000 | |
| 1001 | BCM_LOG(DEBUG, log_id_flow, |
| 1002 | "Received an AUTO IND message in the %s state\n", |
| 1003 | flow_state_name_get(p_flow_inst->fsm_state)); |
| 1004 | |
| 1005 | ind_msg = (bal_util_msg_auto_ind *)msg; |
| 1006 | |
| 1007 | /* Handle indication */ |
| 1008 | ret = ind_msg->status; |
| 1009 | |
| 1010 | if(BCM_ERR_OK == ret) |
| 1011 | { |
| 1012 | /* data reflects the new oper_status in the object being indicated */ |
| 1013 | memcpy(&p_flow_inst->current_flow_info.data.oper_status, ind_msg->data, sizeof(bcmbal_status)); |
| 1014 | |
| 1015 | /* |
| 1016 | * Send the indication back to the BAL public API here |
| 1017 | */ |
| 1018 | mgmt_msg_send_balapi_ind(ret, |
| 1019 | &p_flow_inst->current_flow_info.hdr, |
| 1020 | log_id_flow); |
| 1021 | |
| 1022 | |
| 1023 | p_flow_inst->fsm_state = FLOW_FSM_STATE_CONFIGURED; |
| 1024 | |
| 1025 | } |
| 1026 | |
| 1027 | return ret; |
| 1028 | } |
| 1029 | |
| 1030 | /*****************************************************************************/ |
| 1031 | /** |
| 1032 | * @brief The Flow FSM state processing function to process a |
| 1033 | * message from one of the BAL apps received when the specified |
| 1034 | * flow instance FSM is in the REMOVING state. |
| 1035 | * |
| 1036 | * @param p_flow_inst Pointer to an flow instance |
| 1037 | * @param msg Pointer to a BAL message received from one of |
| 1038 | * the BAL apps. |
| 1039 | * @param p_event Pointer to an flow event structure |
| 1040 | * |
| 1041 | * @returns bcmos_errno |
| 1042 | *****************************************************************************/ |
| 1043 | static bcmos_errno flow_fsm_removing_process_util_msg(flow_inst *p_flow_inst, |
| 1044 | void *msg, |
| 1045 | flow_fsm_event *p_event) |
| 1046 | { |
| 1047 | bcmos_errno ret = BCM_ERR_OK; |
| 1048 | bal_util_msg_ind *ind_msg; |
| 1049 | bcmos_bool is_ds_flow_to_host; |
| 1050 | /* Parameter checks */ |
| 1051 | BUG_ON(NULL == p_flow_inst); |
| 1052 | BUG_ON(NULL == msg); |
| 1053 | BUG_ON(NULL == p_event); |
| 1054 | |
| 1055 | ind_msg = (bal_util_msg_ind *)msg; |
| 1056 | |
| 1057 | /* |
| 1058 | * NOTE: AUTO_IND messages are not processed in this function, |
| 1059 | * so there is no need to consider them in this logic. |
| 1060 | */ |
| 1061 | |
| 1062 | BCM_LOG(DEBUG, log_id_flow, |
| 1063 | " Received an IND message from BAL UTIL (%s) during REMOVING state\n", |
| 1064 | subsystem_str[bcmbal_sender_get(msg)]); |
| 1065 | |
| 1066 | do{ |
| 1067 | |
| 1068 | /* Handle indication */ |
| 1069 | ret = ind_msg->status; |
| 1070 | |
| 1071 | /* Reflect the execution status in the object being returned in the indication |
| 1072 | */ |
| 1073 | if(BCM_ERR_OK == ret) |
| 1074 | { |
| 1075 | if(BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type || |
| 1076 | BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) |
| 1077 | { |
| 1078 | is_ds_flow_to_host = (BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_inst->api_req_flow_info.key.flow_type && |
| 1079 | (BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(&p_flow_inst->api_req_flow_info, flow, action) && |
| 1080 | (p_flow_inst->api_req_flow_info.data.action.cmds_bitmask & |
| 1081 | BCMBAL_ACTION_CMD_ID_TRAP_TO_HOST))); |
| 1082 | |
| 1083 | if (bcm_topo_pon_get_pon_family(p_flow_inst->api_req_flow_info.data.access_int_id) == BCM_TOPO_PON_FAMILY_GPON) |
| 1084 | { |
| 1085 | |
| 1086 | /* Don't attempt to release a GEM for a downstream flow that is TRAP_TO_HOST, because there |
| 1087 | * is no subscriber terminal involved in this flow (there was no GEM allocated for this flow). |
| 1088 | */ |
| 1089 | if(BCMOS_FALSE == is_ds_flow_to_host) |
| 1090 | { |
| 1091 | if(BCM_ERR_OK != rsc_mgr_gem_free(p_flow_inst->api_req_flow_info.data.access_int_id, |
| 1092 | p_flow_inst->api_req_flow_info.data.svc_port_id, p_flow_inst)) |
| 1093 | { |
| 1094 | BCM_LOG(ERROR, log_id_flow, |
| 1095 | " error encountered during release of flow resources (svc_port_id: %d, intf_id:%d\n", |
| 1096 | p_flow_inst->api_req_flow_info.data.svc_port_id, |
| 1097 | p_flow_inst->api_req_flow_info.data.access_int_id); |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | |
| 1102 | } |
| 1103 | |
| 1104 | /* Remove the svc_port_id record from the sub_term record for upstream flows, |
| 1105 | * or for downstream flows that are not destined to the host |
| 1106 | */ |
| 1107 | if((BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) || |
| 1108 | ((BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) && |
| 1109 | !(is_ds_flow_to_host))) |
| 1110 | { |
| 1111 | bcmbal_sub_term_svc_port_id_list_entry_remove(p_flow_inst->p_sub_term_inst, |
| 1112 | p_flow_inst->current_flow_info.data.svc_port_id); |
| 1113 | } |
| 1114 | |
| 1115 | /* Remove the agg_port_id from the sub_term record (only for upstream flows) */ |
| 1116 | if(BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) |
| 1117 | { |
| 1118 | |
| 1119 | bcmbal_sub_term_agg_port_id_list_entry_remove(p_flow_inst->p_sub_term_inst, |
| 1120 | p_flow_inst->current_flow_info.data.agg_port_id); |
| 1121 | } |
| 1122 | } |
| 1123 | |
| 1124 | p_flow_inst->current_flow_info.hdr.hdr.status = ret; |
| 1125 | |
| 1126 | /* This is the proper state and status for the indication about to be sent */ |
| 1127 | p_flow_inst->current_flow_info.data.admin_state = BCMBAL_STATE_DOWN; |
| 1128 | p_flow_inst->current_flow_info.data.oper_status = BCMBAL_STATUS_DOWN; |
| 1129 | |
| 1130 | BCMBAL_OBJ_IN_PROGRESS_SET(&(p_flow_inst->current_flow_info), BCMOS_FALSE); |
| 1131 | |
| 1132 | /* |
| 1133 | * Send the success indication back to the BAL public API here |
| 1134 | */ |
| 1135 | mgmt_msg_send_balapi_ind(ret, |
| 1136 | &p_flow_inst->current_flow_info.hdr, |
| 1137 | log_id_flow); |
| 1138 | |
| 1139 | /* Return the flow to the free pool regardless of the errors encountered above */ |
| 1140 | flow_free_by_entry(p_flow_inst); |
| 1141 | } |
| 1142 | else |
| 1143 | { |
| 1144 | /* |
| 1145 | * Send the failure indication back to the BAL public API here |
| 1146 | */ |
| 1147 | mgmt_msg_send_balapi_ind(ret, |
| 1148 | &p_flow_inst->current_flow_info.hdr, |
| 1149 | log_id_flow); |
| 1150 | } |
| 1151 | }while(0); |
| 1152 | return ret; |
| 1153 | } |
| 1154 | |
| 1155 | /*****************************************************************************/ |
| 1156 | /** |
| 1157 | * @brief The Flow FSM state processing function to process a |
| 1158 | * AUTO IND message from one of the BAL apps received when the specified |
| 1159 | * flow instance FSM is in the REMOVING state. |
| 1160 | * |
| 1161 | * @param p_flow_inst Pointer to an flow instance |
| 1162 | * @param msg Pointer to a BAL message received from one of |
| 1163 | * the BAL apps. |
| 1164 | * @param p_event Pointer to an flow event structure |
| 1165 | * |
| 1166 | * @returns bcmos_errno |
| 1167 | *****************************************************************************/ |
| 1168 | static bcmos_errno flow_fsm_removing_process_util_auto_msg(flow_inst *p_flow_inst, |
| 1169 | void *msg, |
| 1170 | flow_fsm_event *p_event) |
| 1171 | { |
| 1172 | bcmos_errno ret = BCM_ERR_OK; |
| 1173 | |
| 1174 | /* Parameter checks */ |
| 1175 | BUG_ON(NULL == p_flow_inst); |
| 1176 | BUG_ON(NULL == msg); |
| 1177 | BUG_ON(NULL == p_event); |
| 1178 | |
| 1179 | BCM_LOG(DEBUG, log_id_flow, |
| 1180 | "Received an AUTO IND in the removing state" |
| 1181 | " - no further function\n"); |
| 1182 | |
| 1183 | return ret; |
| 1184 | } |
| 1185 | |
| 1186 | /*****************************************************************************/ |
| 1187 | /** |
| 1188 | * @brief The Flow FSM function which is executed when an error |
| 1189 | * is encountered during FSM processing. |
| 1190 | * |
| 1191 | * @param p_flow_inst Pointer to an flow instance |
| 1192 | * @param msg Pointer to a BAL message received from one of |
| 1193 | * the BAL apps. |
| 1194 | * @param p_event Pointer to an flow event structure |
| 1195 | * |
| 1196 | * @returns bcmos_errno |
| 1197 | *****************************************************************************/ |
| 1198 | static bcmos_errno flow_fsm_state_err(flow_inst *p_flow_inst, |
| 1199 | void *msg, |
| 1200 | flow_fsm_event *p_event) |
| 1201 | { |
| 1202 | bcmos_errno ret = BCM_ERR_INVALID_OP; |
| 1203 | |
| 1204 | BCM_LOG(DEBUG, log_id_flow, |
| 1205 | "Error encountered processing FLOW FSM" |
| 1206 | " - BAD EVENT ()\n"); |
| 1207 | |
| 1208 | return ret; |
| 1209 | } |
| 1210 | static bcmos_errno flow_queue_validate(bcmbal_flow_cfg *p_flow_cfg, tm_queue_inst **p_tm_queue_inst) |
| 1211 | { |
| 1212 | bcmos_errno ret = BCM_ERR_OK; |
| 1213 | bcmbal_interface_key intf_key; |
| 1214 | bcmbal_tm_sched_key tm_key; |
| 1215 | tm_sched_inst *p_tm_sched; |
| 1216 | bcmbal_tm_queue_key queue_key; |
| 1217 | bcmbal_tm_queue_ref queue_ref; |
| 1218 | bcmos_bool is_auto_set = BCMOS_TRUE; |
| 1219 | |
| 1220 | do |
| 1221 | { |
| 1222 | if (BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_cfg->key.flow_type) |
| 1223 | { |
| 1224 | intf_key.intf_type = BCMBAL_INTF_TYPE_NNI; |
| 1225 | tm_key.dir = BCMBAL_TM_SCHED_DIR_US; |
| 1226 | intf_key.intf_id = p_flow_cfg->data.network_int_id; |
| 1227 | } |
| 1228 | else /*BCMBAL_FLOW_TYPE_DOWNSTREM or BCMBAL_FLOW_TYPE_MULTICAST */ |
| 1229 | { |
| 1230 | intf_key.intf_type = BCMBAL_INTF_TYPE_PON; |
| 1231 | tm_key.dir = BCMBAL_TM_SCHED_DIR_DS; |
| 1232 | intf_key.intf_id = p_flow_cfg->data.access_int_id; |
| 1233 | } |
| 1234 | |
| 1235 | if (BCMBAL_CFG_PROP_IS_SET(p_flow_cfg, flow, queue)) |
| 1236 | { |
| 1237 | queue_ref = p_flow_cfg->data.queue; |
| 1238 | is_auto_set = BCMOS_FALSE; |
| 1239 | } |
| 1240 | else |
| 1241 | { |
| 1242 | /*look for the auto created tm sched and queue*/ |
| 1243 | ret = bcmbal_interface_tm_get(intf_key, &tm_key.id); |
| 1244 | if (BCM_ERR_OK != ret) |
| 1245 | { |
| 1246 | BCM_LOG(ERROR, log_id_flow, |
| 1247 | "could not get interface instance" |
| 1248 | " to set flow queue reference intf_key.intf_type = %d," |
| 1249 | " intf_key.intf_id = %d\n", |
| 1250 | intf_key.intf_type, intf_key.intf_id); |
| 1251 | break; |
| 1252 | } |
| 1253 | p_tm_sched = tm_sched_inst_get(tm_key, TM_SCHED_FLAG_ACTIVE); |
| 1254 | if (NULL == p_tm_sched) |
| 1255 | { |
| 1256 | BCM_LOG(ERROR, log_id_flow, |
| 1257 | "could not get tm sched instance to " |
| 1258 | "set flow queue reference intf_key.intf_type = %d," |
| 1259 | " intf_key.intf_id = %d tm_key.dir = %s\n" |
| 1260 | ,intf_key.intf_type, intf_key.intf_id, TM_SCHED_DIR_TO_STR(tm_key.dir)); |
| 1261 | ret = BCM_ERR_NOENT; |
| 1262 | break; |
| 1263 | } |
| 1264 | |
| 1265 | if(BCMBAL_TM_CREATION_MODE_AUTO != p_tm_sched->current_tm_sched_info.data.creation_mode) |
| 1266 | { |
| 1267 | BCM_LOG(ERROR, log_id_flow, |
| 1268 | "can not set flow queue reference if the " |
| 1269 | "interface tm sched is not auto created. " |
| 1270 | "intf_key.intf_type = %d, intf_key.intf_id = %d tm_key.dir = %s\n", |
| 1271 | intf_key.intf_type, intf_key.intf_id, TM_SCHED_DIR_TO_STR(tm_key.dir)); |
| 1272 | ret = BCM_ERR_PARM; |
| 1273 | break; |
| 1274 | } |
| 1275 | |
| 1276 | /*if the tm sched exist and it is auto created, queue 0 should be there as well*/ |
| 1277 | queue_ref.sched_id = tm_key.id; |
| 1278 | queue_ref.queue_id = 0; |
| 1279 | BCM_LOG(INFO, log_id_flow, |
| 1280 | "flow will be assign to queue: node id=%d " |
| 1281 | "node dir=%s queue id = %d\n", |
| 1282 | tm_key.id, TM_SCHED_DIR_TO_STR(tm_key.dir), queue_ref.queue_id); |
| 1283 | |
| 1284 | BCMBAL_CFG_PROP_SET(p_flow_cfg, flow, queue, queue_ref); |
| 1285 | } |
| 1286 | |
| 1287 | queue_key.id = queue_ref.queue_id; |
| 1288 | queue_key.sched_id = queue_ref.sched_id; |
| 1289 | queue_key.sched_dir = tm_key.dir; |
| 1290 | |
| 1291 | /*validate a given tm queue exist and match flow type*/ |
| 1292 | *p_tm_queue_inst = tm_queue_inst_get(queue_key, TM_QUEUE_FLAG_ACTIVE); |
| 1293 | if (NULL == *p_tm_queue_inst) |
| 1294 | { |
| 1295 | BCM_LOG(ERROR, log_id_flow, |
| 1296 | "could not find the queue to assign the flow to " |
| 1297 | ":tm sched dir = %s tm sched id = %d queue id = %d\n", |
| 1298 | TM_SCHED_DIR_TO_STR(queue_key.sched_dir), queue_key.sched_id,queue_key.id); |
| 1299 | ret = BCM_ERR_NOENT; |
| 1300 | break; |
| 1301 | } |
| 1302 | if (BCMOS_FALSE == is_auto_set) |
| 1303 | { |
| 1304 | /*should validate queue is related to the flow intf/sub_term/sub_term_uni*/ |
| 1305 | tm_key.dir = queue_key.sched_dir; |
| 1306 | tm_key.id = queue_key.sched_id; |
| 1307 | |
| 1308 | p_tm_sched = tm_sched_inst_get(tm_key, TM_SCHED_FLAG_ACTIVE); |
| 1309 | if (NULL == p_tm_sched) |
| 1310 | { |
| 1311 | BCM_LOG(ERROR, log_id_flow, |
| 1312 | "could not get tm sched instance to set flow queue " |
| 1313 | "reference intf_key.intf_type = %d, intf_key.intf_id = %d tm_key.dir = %s\n", |
| 1314 | intf_key.intf_type, intf_key.intf_id, TM_SCHED_DIR_TO_STR(tm_key.dir)); |
| 1315 | ret = BCM_ERR_NOENT; |
| 1316 | break; |
| 1317 | } |
| 1318 | |
| 1319 | if(BCMBAL_CFG_PROP_IS_SET(&p_tm_sched->req_tm_sched_info,tm_sched,owner)) |
| 1320 | { |
| 1321 | switch(p_tm_sched->req_tm_sched_info.data.owner.type) |
| 1322 | { |
| 1323 | case BCMBAL_TM_SCHED_OWNER_TYPE_INTERFACE: |
| 1324 | { |
| 1325 | } |
| 1326 | break; |
| 1327 | case BCMBAL_TM_SCHED_OWNER_TYPE_SUB_TERM: |
| 1328 | { |
| 1329 | if (p_tm_sched->req_tm_sched_info.data.owner.u.sub_term.intf_id != p_flow_cfg->data.access_int_id |
| 1330 | || p_tm_sched->req_tm_sched_info.data.owner.u.sub_term.sub_term_id!= p_flow_cfg->data.sub_term_id) |
| 1331 | { |
| 1332 | BCM_LOG(ERROR, log_id_flow, |
| 1333 | "queue referenced by flow, attached to tm sched instance that is owned by " |
| 1334 | "sub term intf_id = %d sub_term_id = %d while flow is related to sub term" |
| 1335 | " intf_id = %d sub_term_id = %d therefor cannot be set as flow queue\n", |
| 1336 | p_tm_sched->req_tm_sched_info.data.owner.u.sub_term.intf_id, |
| 1337 | p_tm_sched->req_tm_sched_info.data.owner.u.sub_term.sub_term_id, |
| 1338 | p_flow_cfg->data.access_int_id, |
| 1339 | p_flow_cfg->data.sub_term_uni_idx); |
| 1340 | ret = BCM_ERR_PARM; |
| 1341 | break; |
| 1342 | } |
| 1343 | } |
| 1344 | break; |
| 1345 | case BCMBAL_TM_SCHED_OWNER_TYPE_UNI: |
| 1346 | { |
| 1347 | if (p_tm_sched->req_tm_sched_info.data.owner.u.uni.intf_id != p_flow_cfg->data.access_int_id |
| 1348 | || p_tm_sched->req_tm_sched_info.data.owner.u.uni.sub_term_id!= p_flow_cfg->data.sub_term_id |
| 1349 | || p_tm_sched->req_tm_sched_info.data.owner.u.uni.idx != p_flow_cfg->data.sub_term_uni_idx) |
| 1350 | { |
| 1351 | BCM_LOG(ERROR, log_id_flow, |
| 1352 | "queue referenced by flow , attached to tm sched " |
| 1353 | "instance that is owned by sub term uni intf_id = %d " |
| 1354 | "sub_term_id = %d uni = %d while flow is related to uni sub " |
| 1355 | "term intf_id = %d sub_term_id = %d uni = %d therefor cannot be " |
| 1356 | "set as flow queue\n", |
| 1357 | p_tm_sched->req_tm_sched_info.data.owner.u.uni.intf_id, |
| 1358 | p_tm_sched->req_tm_sched_info.data.owner.u.uni.sub_term_id, |
| 1359 | p_tm_sched->req_tm_sched_info.data.owner.u.uni.idx, |
| 1360 | p_flow_cfg->data.access_int_id, |
| 1361 | p_flow_cfg->data.sub_term_id, |
| 1362 | p_flow_cfg->data.sub_term_uni_idx); |
| 1363 | ret = BCM_ERR_PARM; |
| 1364 | } |
| 1365 | } |
| 1366 | break; |
| 1367 | default: |
| 1368 | BCM_LOG(ERROR, log_id_flow, |
| 1369 | "tm sched instance is owned by %d therefor " |
| 1370 | "cannot be set as flow queue\n", |
| 1371 | p_tm_sched->req_tm_sched_info.data.owner.type); |
| 1372 | ret = BCM_ERR_PARM; |
| 1373 | break; |
| 1374 | } |
| 1375 | } |
| 1376 | else |
| 1377 | { |
| 1378 | BCM_LOG(ERROR, log_id_flow, |
| 1379 | "tm sched instance is not set with an owner therefor " |
| 1380 | "cannot be set as flow queue intf_key.intf_type = %d, " |
| 1381 | "intf_key.intf_id = %d tm_key.dir = %s\n", |
| 1382 | intf_key.intf_type, intf_key.intf_id, TM_SCHED_DIR_TO_STR(tm_key.dir)); |
| 1383 | ret = BCM_ERR_PARM; |
| 1384 | break; |
| 1385 | } |
| 1386 | } |
| 1387 | }while (0); |
| 1388 | return ret; |
| 1389 | |
| 1390 | } |
| 1391 | |
| 1392 | |
| 1393 | /*****************************************************************************/ |
| 1394 | /** |
| 1395 | * @brief A function called by the core worker thread to process an |
| 1396 | * flow object message (SET, GET, CLEAR, STATS) received |
| 1397 | * from the BAL Public API. |
| 1398 | * |
| 1399 | * @param msg_payload Pointer to a BAL message received from the |
| 1400 | * BAL Public API. |
| 1401 | * |
| 1402 | * @returns bcmos_errno |
| 1403 | *****************************************************************************/ |
| 1404 | bcmos_errno process_flow_object(void *msg_payload) |
| 1405 | { |
| 1406 | bcmos_errno ret = BCM_ERR_OK, rsp_ret = BCM_ERR_OK; |
| 1407 | bcmbal_flow_cfg *p_flow_cfg = (bcmbal_flow_cfg *)msg_payload; |
| 1408 | flow_inst *p_flow_inst = NULL; |
| 1409 | flow_fsm_event fsm_event; |
| 1410 | bcmbal_flow_key *p_flow_key; |
| 1411 | bcmbal_state admin_state_req; |
| 1412 | bcmos_bool b_flow_is_destined_to_host; |
| 1413 | bcmbal_obj_msg_type oper_type; |
| 1414 | bcmbal_subscriber_terminal_key sub_term_key; |
| 1415 | sub_term_inst *p_sub_term_inst = NULL; |
| 1416 | bcmos_bool is_multicast = BCMOS_FALSE; |
| 1417 | bcmos_bool is_unicast = BCMOS_FALSE; |
| 1418 | |
| 1419 | bcmos_bool is_us_n_to_1 = BCMOS_FALSE; |
| 1420 | bcmos_bool is_ds_n_to_1 = BCMOS_FALSE; |
| 1421 | |
| 1422 | tm_queue_inst *p_tm_queue_inst = NULL; |
| 1423 | |
| 1424 | BUG_ON(NULL == msg_payload); |
| 1425 | |
| 1426 | BCM_LOG(DEBUG, log_id_flow, "Processing a flow object\n"); |
| 1427 | |
| 1428 | p_flow_key = &p_flow_cfg->key; |
| 1429 | |
| 1430 | oper_type = p_flow_cfg->hdr.hdr.type; |
| 1431 | |
| 1432 | is_multicast = (BCMBAL_FLOW_TYPE_MULTICAST == p_flow_key->flow_type); |
| 1433 | |
| 1434 | is_unicast = ((BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_key->flow_type) || |
| 1435 | (BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_key->flow_type)); |
| 1436 | |
| 1437 | is_us_n_to_1 = ((BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_key->flow_type) && |
| 1438 | (BCMBAL_CFG_PROP_IS_SET(p_flow_cfg, flow, group_id))); |
| 1439 | |
| 1440 | is_ds_n_to_1 = ((BCMBAL_FLOW_TYPE_DOWNSTREAM == p_flow_key->flow_type) && |
| 1441 | (BCMBAL_CFG_PROP_IS_SET(p_flow_cfg, flow, group_id) )); |
| 1442 | |
| 1443 | |
| 1444 | /* |
| 1445 | * A message pointer may be passed inside the event structure. |
| 1446 | */ |
| 1447 | fsm_event.msg = msg_payload; |
| 1448 | |
| 1449 | /* SET or GET or CLEAR...? */ |
| 1450 | switch (oper_type) |
| 1451 | { |
| 1452 | case (BCMBAL_OBJ_MSG_TYPE_SET): |
| 1453 | { |
| 1454 | bcmos_bool b_generate_event = BCMOS_FALSE; |
| 1455 | bcmos_bool found_new_flow = BCMOS_FALSE; |
| 1456 | |
| 1457 | BCM_LOG(DEBUG, log_id_flow, |
| 1458 | "Processing a flow SET REQ mgmt message\n"); |
| 1459 | |
| 1460 | do |
| 1461 | { |
| 1462 | if(BCMBAL_STATUS_UP != acc_term_status_get()) |
| 1463 | { |
| 1464 | BCM_LOG(ERROR, log_id_flow, |
| 1465 | "ERROR - Access-terminal is not UP. No further processing\n"); |
| 1466 | ret = BCM_ERR_STATE; |
| 1467 | break; |
| 1468 | } |
| 1469 | |
| 1470 | b_flow_is_destined_to_host = ((BCMBAL_CFG_PROP_IS_SET(p_flow_cfg, flow, action) && |
| 1471 | (p_flow_cfg->data.action.cmds_bitmask & |
| 1472 | BCMBAL_ACTION_CMD_ID_TRAP_TO_HOST)) ? BCMOS_TRUE : BCMOS_FALSE); |
| 1473 | |
| 1474 | admin_state_req = p_flow_cfg->data.admin_state; |
| 1475 | |
| 1476 | BCM_LOG(INFO, log_id_flow, |
| 1477 | "flow %d:%s request - admin state requested is %s\n", |
| 1478 | p_flow_key->flow_id, |
| 1479 | CORE_FSM_FLOW_TYPE_GET_STR(p_flow_key->flow_type), |
| 1480 | (BCMBAL_STATE_UP == admin_state_req) ? "UP" : "DOWN"); |
| 1481 | |
| 1482 | /* |
| 1483 | * Find or create the specified flow instance |
| 1484 | */ |
| 1485 | p_flow_inst = flow_inst_get(p_flow_key, FLOW_FLAG_ANY, &found_new_flow); |
| 1486 | if(NULL == p_flow_inst) |
| 1487 | { |
| 1488 | /* This is a fatal error condition |
| 1489 | */ |
| 1490 | BCM_LOG(ERROR, log_id_flow, |
| 1491 | "ERROR - Flow not found. No further processing\n"); |
| 1492 | ret = BCM_ERR_NOMEM; |
| 1493 | break; |
| 1494 | } |
| 1495 | |
| 1496 | /* |
| 1497 | * Fill in the local flow info data structure |
| 1498 | */ |
| 1499 | p_flow_inst->api_req_flow_info = *p_flow_cfg; |
| 1500 | |
| 1501 | /* For flows that have already been configured, merge the |
| 1502 | * requested flow data with the current flow data, and this results in the new request. |
| 1503 | */ |
| 1504 | if((BCMOS_FALSE == found_new_flow) && |
| 1505 | (p_flow_inst->api_req_flow_info.data.oper_status != p_flow_inst->current_flow_info.data.oper_status)) |
| 1506 | { |
| 1507 | bcmbal_flow_object_overlay_w_dst_priority(&p_flow_inst->api_req_flow_info, |
| 1508 | &p_flow_inst->current_flow_info); |
| 1509 | } |
| 1510 | |
| 1511 | BCM_LOG(INFO, log_id_flow, |
| 1512 | "flow access_int_id: %d, sub_term_id: %d\n", |
| 1513 | p_flow_inst->api_req_flow_info.data.access_int_id, |
| 1514 | p_flow_inst->api_req_flow_info.data.sub_term_id); |
| 1515 | |
| 1516 | /* Next, find sub term instance, if is flow UP */ |
| 1517 | if (BCMBAL_STATE_UP == admin_state_req) |
| 1518 | { |
| 1519 | sub_term_key.intf_id = p_flow_inst->api_req_flow_info.data.access_int_id; |
| 1520 | sub_term_key.sub_term_id = p_flow_inst->api_req_flow_info.data.sub_term_id; |
| 1521 | |
| 1522 | p_sub_term_inst = sub_term_inst_get(&sub_term_key, SUB_TERM_FLAG_ACTIVE); |
| 1523 | |
| 1524 | if (!p_sub_term_inst && !is_multicast && !is_ds_n_to_1 && !b_flow_is_destined_to_host) |
| 1525 | { |
| 1526 | BCM_LOG(ERROR, log_id_flow, |
| 1527 | "No active subscriber terminal with id=%u, and for flow type %s \n", |
| 1528 | sub_term_key.sub_term_id, |
| 1529 | CORE_FSM_FLOW_TYPE_GET_STR(p_flow_key->flow_type)); |
| 1530 | |
| 1531 | ret = BCM_ERR_NOENT; |
| 1532 | break; |
| 1533 | } |
| 1534 | |
| 1535 | /*if the flow is not a cpu flow (to host), then we should validate/use the sched/queue setting*/ |
| 1536 | if(!b_flow_is_destined_to_host) |
| 1537 | { |
| 1538 | /*find tm queue instance*/ |
| 1539 | ret = flow_queue_validate(&(p_flow_inst->api_req_flow_info), &p_tm_queue_inst); |
| 1540 | if (ret != BCM_ERR_OK) |
| 1541 | { |
| 1542 | ret = BCM_ERR_NOENT; |
| 1543 | break; |
| 1544 | } |
| 1545 | ret = bcmbal_tm_queue_use_set(p_tm_queue_inst, BCMOS_TRUE); |
| 1546 | if (ret != BCM_ERR_OK) |
| 1547 | { |
| 1548 | ret = BCM_ERR_PARM; |
| 1549 | break; |
| 1550 | } |
| 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | p_flow_inst->p_sub_term_inst = p_sub_term_inst; |
| 1555 | |
| 1556 | /* |
| 1557 | * Process the request |
| 1558 | */ |
| 1559 | if(((BCMBAL_STATE_UP == admin_state_req) || found_new_flow) |
| 1560 | && (BCMBAL_STATE_UP != p_flow_inst->current_flow_info.data.admin_state)) |
| 1561 | { |
| 1562 | bcmbal_service_port_id svc_port_id = 0; |
| 1563 | flow_inst *p_peer_flow; |
| 1564 | uint8_t svc_port_id_range; |
| 1565 | |
| 1566 | do |
| 1567 | { |
| 1568 | if (bcm_topo_pon_get_pon_family(p_flow_inst->api_req_flow_info.data.access_int_id) == BCM_TOPO_PON_FAMILY_GPON) |
| 1569 | { |
| 1570 | /* There's no need to do anything with the MAC in downstream flows that |
| 1571 | * that are destined to the host CPU (i.e. NNI->CPU) |
| 1572 | */ |
| 1573 | if((BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) || |
| 1574 | !(b_flow_is_destined_to_host)) |
| 1575 | { |
| 1576 | |
| 1577 | /* |
| 1578 | * GEM resolution does not rely on the pbits in a packet, however, |
| 1579 | * we currently only support allocate a svc_port_id range of 1. |
| 1580 | */ |
| 1581 | svc_port_id_range = 1; |
| 1582 | |
| 1583 | /* Is there a peer flow configured already? (only upstream and downstream flows |
| 1584 | * can have a peer flow) |
| 1585 | * If not, look in the active list for a match. NOTE: It might not be there. |
| 1586 | */ |
| 1587 | if( is_unicast && NULL == p_flow_inst->p_peer_flow_inst) |
| 1588 | { |
| 1589 | /* |
| 1590 | * See if we can find a peer flow (a peer flow is a flow that has |
| 1591 | * the same flow ID as this flow does, but has the opposite direction |
| 1592 | * in the key). |
| 1593 | */ |
| 1594 | |
| 1595 | /* Look for an active flow, but ignore the direction (BEWARE: we might |
| 1596 | * find ourself!!) |
| 1597 | */ |
| 1598 | p_peer_flow = flow_inst_get(p_flow_key, |
| 1599 | FLOW_FLAG_ACTIVE | FLOW_FLAG_IGNORE_DIR, |
| 1600 | NULL); |
| 1601 | |
| 1602 | /* If the flow that we found isn't us, then link it to our flow |
| 1603 | */ |
| 1604 | if(p_peer_flow->api_req_flow_info.key.flow_type != |
| 1605 | p_flow_inst->api_req_flow_info.key.flow_type) |
| 1606 | { |
| 1607 | p_flow_inst->p_peer_flow_inst = p_peer_flow; |
| 1608 | } |
| 1609 | } |
| 1610 | |
| 1611 | /* If a peer flow exists, copy the GEM ID from the peer flow into this flow |
| 1612 | */ |
| 1613 | if(NULL != p_flow_inst->p_peer_flow_inst) |
| 1614 | { |
| 1615 | svc_port_id = |
| 1616 | p_flow_inst->p_peer_flow_inst->current_flow_info.data.svc_port_id; |
| 1617 | |
| 1618 | BCM_LOG(DEBUG, log_id_flow, |
| 1619 | "Using GEM ID from peer flow (%d) on access_id %d\n", |
| 1620 | svc_port_id, |
| 1621 | p_flow_inst->api_req_flow_info.data.access_int_id); |
| 1622 | |
| 1623 | /* even though we have gem Id, get it allocated by rsrc mgr so that it can |
| 1624 | * manage ref counts. |
| 1625 | */ |
| 1626 | ret = rsc_mgr_gem_alloc_unicast( |
| 1627 | p_flow_inst->api_req_flow_info.data.access_int_id, |
| 1628 | &svc_port_id, |
| 1629 | svc_port_id_range, |
| 1630 | p_flow_inst); /* A multicast flow cannot have a peer flow. So this means this is definitely not a multicast. */ |
| 1631 | if (BCM_ERR_OK != ret) |
| 1632 | { |
| 1633 | /* |
| 1634 | * An error has occurred trying to get mandatory data |
| 1635 | */ |
| 1636 | |
| 1637 | BCM_LOG(ERROR, log_id_flow, "Failed to get base GEM from resource manager\n"); |
| 1638 | |
| 1639 | /* |
| 1640 | * @todo If the flow instance (that we got) is not active, then return it to the |
| 1641 | * free pool. |
| 1642 | */ |
| 1643 | |
| 1644 | break; |
| 1645 | } |
| 1646 | } |
| 1647 | else /* A peer flow does not exist */ |
| 1648 | { |
| 1649 | /* needs single GEM for flows which is not multicast and not downstream N:1 service. |
| 1650 | In another words, all upstream flows and downstream flows which is not N:1 service needs one GEM */ |
| 1651 | if(!is_multicast && !is_ds_n_to_1) |
| 1652 | { |
| 1653 | if(BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(&p_flow_inst->api_req_flow_info, |
| 1654 | flow, |
| 1655 | svc_port_id)) |
| 1656 | { |
| 1657 | svc_port_id = p_flow_inst->api_req_flow_info.data.svc_port_id; |
| 1658 | |
| 1659 | |
| 1660 | BCM_LOG(DEBUG, log_id_flow, |
| 1661 | "Using the base GEM ID supplied by the user (%d) on access_id %d\n", |
| 1662 | svc_port_id, |
| 1663 | p_flow_inst->api_req_flow_info.data.access_int_id); |
| 1664 | } |
| 1665 | else |
| 1666 | { |
| 1667 | BCM_LOG(DEBUG, log_id_flow, |
| 1668 | "Getting a new base GEM ID on access_id %d from resource manager\n", |
| 1669 | p_flow_inst->api_req_flow_info.data.access_int_id); |
| 1670 | svc_port_id = 0; /* 0 is a magic number telling the resource manager that it should provide |
| 1671 | * the initial allocation of the base GEM */ |
| 1672 | } |
| 1673 | |
| 1674 | ret = rsc_mgr_gem_alloc_unicast(p_flow_inst->api_req_flow_info.data.access_int_id, |
| 1675 | &svc_port_id, |
| 1676 | svc_port_id_range, |
| 1677 | p_flow_inst); |
| 1678 | |
| 1679 | if (BCM_ERR_OK != ret) |
| 1680 | { |
| 1681 | /* |
| 1682 | * An error has occurred trying to get mandatory data |
| 1683 | */ |
| 1684 | |
| 1685 | BCM_LOG(ERROR, log_id_flow, "Failed to get base GEM from resource manager\n"); |
| 1686 | |
| 1687 | /* |
| 1688 | * @todo If the flow instance (that we got) is not active, then return it to the |
| 1689 | * free pool. |
| 1690 | */ |
| 1691 | |
| 1692 | break; |
| 1693 | } |
| 1694 | } |
| 1695 | /* make sure the all members in the group assoficated with the flow has a GEM */ |
| 1696 | if(BCMBAL_CFG_PROP_IS_SET(&p_flow_inst->api_req_flow_info, flow, group_id)) |
| 1697 | { |
| 1698 | bcmbal_group_key group_key; |
| 1699 | bcmbal_group_owner group_owner; |
| 1700 | |
| 1701 | group_key.group_id = p_flow_inst->api_req_flow_info.data.group_id; |
| 1702 | if(is_ds_n_to_1 || is_us_n_to_1 ) |
| 1703 | { |
| 1704 | group_owner = BCMBAL_GROUP_OWNER_UNICAST; |
| 1705 | } |
| 1706 | else |
| 1707 | { |
| 1708 | group_owner = BCMBAL_GROUP_OWNER_MULTICAST; |
| 1709 | } |
| 1710 | |
| 1711 | ret = group_owner_set(group_key, group_owner); |
| 1712 | |
| 1713 | if(BCM_ERR_OK != ret) |
| 1714 | { |
| 1715 | BCM_LOG(ERROR, log_id_flow, |
| 1716 | "error %s while updating group owner\n", bcmos_strerror(ret)); |
| 1717 | break; |
| 1718 | } |
| 1719 | } |
| 1720 | } |
| 1721 | /* |
| 1722 | * Set the GEM ID into the object being processed |
| 1723 | */ |
| 1724 | if(svc_port_id) |
| 1725 | { |
| 1726 | BCMBAL_CFG_PROP_SET(&p_flow_inst->api_req_flow_info, flow, svc_port_id,svc_port_id); |
| 1727 | BCM_LOG(DEBUG, log_id_flow, "GEM %d being used\n", svc_port_id); |
| 1728 | } |
| 1729 | /* |
| 1730 | * alloc ID is only required on an UPSTREAM FLOW |
| 1731 | */ |
| 1732 | if(BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) |
| 1733 | { |
| 1734 | tm_sched_inst * dummy_p_tm_sched_inst; |
| 1735 | ret = flow_tm_get(&p_flow_inst->api_req_flow_info, &dummy_p_tm_sched_inst); |
| 1736 | |
| 1737 | if (BCM_ERR_OK != ret) |
| 1738 | { |
| 1739 | /* An error has occurred trying to get mandatory data */ |
| 1740 | BCM_LOG(ERROR, log_id_flow, "Failed to get required tm sched for agg port id\n"); |
| 1741 | break; |
| 1742 | } |
| 1743 | ret = rsc_mgr_alloc_id_alloc( p_flow_inst->api_req_flow_info.data.access_int_id, |
| 1744 | &p_flow_inst->api_req_flow_info.data.agg_port_id, 1, p_flow_inst); |
| 1745 | if (BCM_ERR_OK != ret) |
| 1746 | { |
| 1747 | BCM_LOG(ERROR, log_id_flow, "Failed to get ALLOC ID from resource manager\n"); |
| 1748 | break; |
| 1749 | } |
| 1750 | |
| 1751 | BCM_LOG(DEBUG, log_id_flow, "ALLOC ID %d being used\n", p_flow_inst->api_req_flow_info.data.agg_port_id); |
| 1752 | } |
| 1753 | |
| 1754 | /* |
| 1755 | * Perform the validation check(s) that the utils require |
| 1756 | */ |
| 1757 | if(BCM_ERR_OK != (ret = mac_util_flow_info_validate(&p_flow_inst->api_req_flow_info))) |
| 1758 | { |
| 1759 | BCM_LOG(ERROR, log_id_flow, "Failed mac validation\n"); |
| 1760 | break; |
| 1761 | } |
| 1762 | } |
| 1763 | } |
| 1764 | else if (bcm_topo_pon_get_pon_family(p_flow_inst->api_req_flow_info.data.access_int_id) == BCM_TOPO_PON_FAMILY_EPON) |
| 1765 | { |
| 1766 | /* There's no need to do anything with the MAC in downstream flows that |
| 1767 | * that are destined to the host CPU (i.e. NNI->CPU) |
| 1768 | */ |
| 1769 | if((BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) || |
| 1770 | !(b_flow_is_destined_to_host)) |
| 1771 | { |
| 1772 | |
| 1773 | sub_term_key.intf_id = p_flow_inst->api_req_flow_info.data.access_int_id; |
| 1774 | sub_term_key.sub_term_id = p_flow_inst->api_req_flow_info.data.sub_term_id; |
| 1775 | |
| 1776 | p_sub_term_inst = sub_term_inst_get(&sub_term_key, SUB_TERM_FLAG_ACTIVE); |
| 1777 | |
| 1778 | if (!p_sub_term_inst) |
| 1779 | { |
| 1780 | BCM_LOG(ERROR, log_id_flow, |
| 1781 | "Failed to get subscriber terminal with id=%u\n", |
| 1782 | sub_term_key.sub_term_id); |
| 1783 | ret = BCM_ERR_NOENT; |
| 1784 | break; |
| 1785 | } |
| 1786 | /* |
| 1787 | * set svc_port to the subtunnel id. |
| 1788 | */ |
| 1789 | BCMBAL_CFG_PROP_SET(&p_flow_inst->api_req_flow_info, flow, |
| 1790 | svc_port_id,p_sub_term_inst->current_sub_term_info.data.svc_port_id); |
| 1791 | |
| 1792 | /* |
| 1793 | * Perform the validation check(s) that the utils require |
| 1794 | */ |
| 1795 | if(BCM_ERR_OK != (ret = mac_util_flow_info_validate(&p_flow_inst->api_req_flow_info))) |
| 1796 | { |
| 1797 | BCM_LOG(ERROR, log_id_flow, "Failed mac validation\n"); |
| 1798 | break; |
| 1799 | } |
| 1800 | } |
| 1801 | } |
| 1802 | |
| 1803 | /* No need to do anything in the switch for upstream flows that |
| 1804 | * that are destined to the host CPU (i.e. PON->CPU), so no switch |
| 1805 | * validation is necessary. |
| 1806 | */ |
| 1807 | if(!((BCMBAL_FLOW_TYPE_UPSTREAM == p_flow_inst->api_req_flow_info.key.flow_type) && |
| 1808 | b_flow_is_destined_to_host)) |
| 1809 | { |
| 1810 | if(BCM_ERR_OK != (ret = sw_util_flow_info_validate(&p_flow_inst->api_req_flow_info))) |
| 1811 | { |
| 1812 | BCM_LOG(ERROR, log_id_flow, "Failed switch validation\n"); |
| 1813 | break; |
| 1814 | } |
| 1815 | } |
| 1816 | |
| 1817 | p_flow_inst->current_flow_info.data.admin_state = BCMBAL_STATE_UP; |
| 1818 | |
| 1819 | /* Set the expected state of the oper_status upon success */ |
| 1820 | p_flow_inst->api_req_flow_info.data.oper_status = BCMBAL_STATUS_UP; |
| 1821 | |
| 1822 | fsm_event.event_type = FLOW_FSM_EVENT_TYPE_ADMIN_UP; |
| 1823 | b_generate_event = BCMOS_TRUE; |
| 1824 | |
| 1825 | } while(0); |
| 1826 | |
| 1827 | if(BCM_ERR_OK != ret) |
| 1828 | { |
| 1829 | flow_free_by_entry(p_flow_inst); |
| 1830 | break; |
| 1831 | } |
| 1832 | } |
| 1833 | /* |
| 1834 | * NOTE: This is not a complete implementation of the admin down processing. |
| 1835 | * |
| 1836 | * @todo - complete admin down processing |
| 1837 | */ |
| 1838 | else if(((BCMBAL_STATE_DOWN == admin_state_req) || found_new_flow) |
| 1839 | && (BCMBAL_STATE_DOWN != p_flow_inst->current_flow_info.data.admin_state)) |
| 1840 | { |
| 1841 | p_flow_inst->current_flow_info.data.admin_state = BCMBAL_STATE_DOWN; |
| 1842 | |
| 1843 | /* Set the expected state of the oper_status upon success */ |
| 1844 | p_flow_inst->api_req_flow_info.data.oper_status = BCMBAL_STATUS_DOWN; |
| 1845 | |
| 1846 | fsm_event.event_type = FLOW_FSM_EVENT_TYPE_ADMIN_DN; |
| 1847 | b_generate_event = BCMOS_TRUE; |
| 1848 | } |
| 1849 | else |
| 1850 | { |
| 1851 | /* @todo implement a MODIFY here */ |
| 1852 | |
| 1853 | break; /* no state change detected - do nothing for now */ |
| 1854 | } |
| 1855 | |
| 1856 | }while(0); |
| 1857 | |
| 1858 | /* We respond to the BAL public API backend with a result. We always |
| 1859 | * send a complete msg_payload back to the API, but the data portion |
| 1860 | * of the object is only relevant when a GET or GET-STATS has been requested. |
| 1861 | */ |
| 1862 | rsp_ret = mgmt_msg_send_balapi_rsp(ret, msg_payload, oper_type, log_id_flow); |
| 1863 | |
| 1864 | if(BCM_ERR_OK != rsp_ret || BCM_ERR_OK != ret) |
| 1865 | { |
| 1866 | /* the mgmt_msg_send_balapi_rsp function above logs any errors that occur there */ |
| 1867 | ret = (BCM_ERR_OK != rsp_ret) ? rsp_ret : ret; |
| 1868 | break; |
| 1869 | } |
| 1870 | |
| 1871 | /* If there was an event generated, call the state machine exec */ |
| 1872 | if(BCMOS_TRUE == b_generate_event) |
| 1873 | { |
| 1874 | /* |
| 1875 | * Run the flow FSM to process this event |
| 1876 | */ |
| 1877 | ret = flow_fsm_exec(p_flow_inst, &fsm_event); |
| 1878 | } |
| 1879 | break; |
| 1880 | } |
| 1881 | |
| 1882 | case (BCMBAL_OBJ_MSG_TYPE_GET): |
| 1883 | { |
| 1884 | |
| 1885 | BCM_LOG(DEBUG, log_id_flow, "Processing a flow GET REQ mgmt message\n"); |
| 1886 | |
| 1887 | do |
| 1888 | { |
| 1889 | if(BCMBAL_STATUS_UP != acc_term_status_get()) |
| 1890 | { |
| 1891 | BCM_LOG(ERROR, log_id_flow, |
| 1892 | "ERROR - Access-terminal is not UP. No further processing\n"); |
| 1893 | ret = BCM_ERR_STATE; |
| 1894 | } |
| 1895 | else |
| 1896 | { |
| 1897 | /* |
| 1898 | * Find the specified flow instance |
| 1899 | */ |
| 1900 | p_flow_inst = flow_inst_get(p_flow_key, FLOW_FLAG_ACTIVE, NULL); |
| 1901 | } |
| 1902 | |
| 1903 | if(NULL == p_flow_inst) |
| 1904 | { |
| 1905 | if(BCM_ERR_STATE != ret) |
| 1906 | { |
| 1907 | /* This is not a fatal error condition |
| 1908 | */ |
| 1909 | BCM_LOG(ERROR, log_id_flow, "ERROR - Specified flow (%d:%s) not found\n", |
| 1910 | p_flow_key->flow_id, |
| 1911 | CORE_FSM_FLOW_TYPE_GET_STR(p_flow_key->flow_type)); |
| 1912 | ret = BCM_ERR_NOENT; |
| 1913 | } |
| 1914 | |
| 1915 | break; |
| 1916 | } |
| 1917 | |
| 1918 | /* We respond to the BAL public API backend with a result. We always |
| 1919 | * send a complete msg_payload back to the API, but the data portion |
| 1920 | * of the object is only relevant when a GET or GET-STATS has been requested. |
| 1921 | */ |
| 1922 | p_flow_inst->current_flow_info.hdr.hdr.comm_hdr = ((bcmbal_obj *)msg_payload)->comm_hdr; |
| 1923 | *((bcmbal_flow_cfg *)msg_payload) = p_flow_inst->current_flow_info; |
| 1924 | |
| 1925 | } while (0); |
| 1926 | |
| 1927 | mgmt_msg_send_balapi_rsp(ret, msg_payload, oper_type, log_id_flow); |
| 1928 | |
| 1929 | } |
| 1930 | break; |
| 1931 | |
| 1932 | case (BCMBAL_OBJ_MSG_TYPE_CLEAR): |
| 1933 | { |
| 1934 | BCM_LOG(DEBUG, log_id_flow, "Processing a flow CLEAR REQ mgmt message\n"); |
| 1935 | |
| 1936 | do |
| 1937 | { |
| 1938 | if(BCMBAL_STATUS_UP != acc_term_status_get()) |
| 1939 | { |
| 1940 | BCM_LOG(ERROR, log_id_flow, |
| 1941 | "ERROR - Access-terminal is not UP. No further processing\n"); |
| 1942 | ret = BCM_ERR_STATE; |
| 1943 | break; |
| 1944 | } |
| 1945 | |
| 1946 | /* |
| 1947 | * Find the specified flow instance |
| 1948 | */ |
| 1949 | p_flow_inst = flow_inst_get(p_flow_key, FLOW_FLAG_ACTIVE, NULL); |
| 1950 | |
| 1951 | if(NULL == p_flow_inst) |
| 1952 | { |
| 1953 | /* This is a fatal error condition |
| 1954 | */ |
| 1955 | BCM_LOG(ERROR, log_id_flow, "ERROR - Specified flow (%d:%s) not found\n", |
| 1956 | p_flow_key->flow_id, |
| 1957 | CORE_FSM_FLOW_TYPE_GET_STR(p_flow_key->flow_type)); |
| 1958 | ret = BCM_ERR_NOENT; |
| 1959 | break; |
| 1960 | } |
| 1961 | } while(0); |
| 1962 | |
| 1963 | /* We respond to the BAL public API backend with a result. We always |
| 1964 | * send a complete msg_payload back to the API, but the data portion |
| 1965 | * of the object is only relevant when a GET or GET-STATS has been requested. |
| 1966 | */ |
| 1967 | rsp_ret = mgmt_msg_send_balapi_rsp(ret, msg_payload, oper_type, log_id_flow); |
| 1968 | |
| 1969 | if(BCM_ERR_OK != rsp_ret || BCM_ERR_OK != ret) |
| 1970 | { |
| 1971 | /* the mgmt_msg_send_balapi_rsp function above logs any errors that occur there */ |
| 1972 | ret = (BCM_ERR_OK != rsp_ret) ? rsp_ret : ret; |
| 1973 | break; |
| 1974 | } |
| 1975 | |
| 1976 | /* Merge the requested flow data with the current flow data, |
| 1977 | * and this is the new request. |
| 1978 | */ |
| 1979 | bcmbal_flow_object_overlay_w_dst_priority(&p_flow_inst->api_req_flow_info, |
| 1980 | &p_flow_inst->current_flow_info); |
| 1981 | /* |
| 1982 | * Run the flow FSM to process this event |
| 1983 | */ |
| 1984 | if(BCM_ERR_OK == ret) |
| 1985 | { |
| 1986 | fsm_event.event_type = FLOW_FSM_EVENT_TYPE_REMOVE; |
| 1987 | |
| 1988 | ret = flow_fsm_exec(p_flow_inst, &fsm_event); |
| 1989 | } |
| 1990 | |
| 1991 | break; |
| 1992 | } |
| 1993 | |
| 1994 | default: |
| 1995 | { |
| 1996 | BCM_LOG(ERROR, log_id_flow, "Unsupported operation on flow object (%d)\n", |
| 1997 | oper_type ); |
| 1998 | ret = BCM_ERR_NOT_SUPPORTED; |
| 1999 | |
| 2000 | /* We respond to the BAL public API backend with a result. We always |
| 2001 | * send a complete msg_payload back to the API, but the data portion |
| 2002 | * of the object is only relevant when a GET or GET-STATS has been requested. |
| 2003 | */ |
| 2004 | mgmt_msg_send_balapi_rsp(ret, msg_payload, oper_type, log_id_flow); |
| 2005 | |
| 2006 | break; |
| 2007 | } |
| 2008 | } |
| 2009 | |
| 2010 | BCM_LOG(DEBUG, log_id_flow, "%s returns : %s\n", __FUNCTION__, bcmos_strerror(ret)); |
| 2011 | |
| 2012 | return ret; |
| 2013 | } |
| 2014 | |
| 2015 | |
| 2016 | /*****************************************************************************/ |
| 2017 | /** |
| 2018 | * @brief A function to process a flow object event received |
| 2019 | * from one of the BAL apps. |
| 2020 | * |
| 2021 | * @param msg_payload A pointer to the util message |
| 2022 | * |
| 2023 | * @returns bcmos_errno |
| 2024 | *****************************************************************************/ |
| 2025 | bcmos_errno process_flow_util_msg(void *msg_payload) |
| 2026 | { |
| 2027 | bcmos_errno ret = BCM_ERR_OK; |
| 2028 | flow_inst *p_flow_inst; |
| 2029 | flow_fsm_event fsm_event; |
| 2030 | bcmbal_msg_type type; |
| 2031 | bcmbal_flow_key key; |
| 2032 | |
| 2033 | type = bcmbal_type_minor_get(msg_payload); |
| 2034 | |
| 2035 | BCM_LOG(DEBUG, log_id_flow, "processing a flow %s util message from %s\n", |
| 2036 | bcmbal_msg_t_str[type], |
| 2037 | subsystem_str[bcmbal_sender_get(msg_payload)]); |
| 2038 | |
| 2039 | /* recover the key from the message */ |
| 2040 | key = ((bal_util_msg_ind *)msg_payload)->obj_key.flow_key; |
| 2041 | |
| 2042 | do |
| 2043 | { |
| 2044 | BCM_LOG(DEBUG, log_id_flow, "Got flow key id from util message (%d)\n", key.flow_id); |
| 2045 | |
| 2046 | /* |
| 2047 | * Get the flow instance that's being referenced |
| 2048 | */ |
| 2049 | if(NULL == (p_flow_inst = flow_inst_get(&key, FLOW_FLAG_ACTIVE, NULL))) |
| 2050 | { |
| 2051 | BCM_LOG(ERROR, log_id_flow, "invalid flow (%d, %s) found while processing a util message from %s\n", |
| 2052 | key.flow_id, |
| 2053 | CORE_FSM_FLOW_TYPE_GET_STR(key.flow_type), |
| 2054 | subsystem_str[bcmbal_sender_get(msg_payload)]); |
| 2055 | |
| 2056 | ret = BCM_ERR_INTERNAL; |
| 2057 | |
| 2058 | break; |
| 2059 | } |
| 2060 | |
| 2061 | /* |
| 2062 | * Record the msg for further processing access |
| 2063 | */ |
| 2064 | fsm_event.msg = msg_payload; |
| 2065 | |
| 2066 | if (BAL_MSG_TYPE_IND == type) |
| 2067 | { |
| 2068 | fsm_event.event_type = FLOW_FSM_EVENT_TYPE_UTIL_MSG; |
| 2069 | } |
| 2070 | else if (BAL_MSG_TYPE_AUTO_IND == type) |
| 2071 | { |
| 2072 | fsm_event.event_type = FLOW_FSM_EVENT_TYPE_UTIL_AUTO_MSG; |
| 2073 | } |
| 2074 | else |
| 2075 | { |
| 2076 | ret = BCM_ERR_NOT_SUPPORTED; |
| 2077 | BCM_LOG(ERROR, log_id_flow, |
| 2078 | "Unknown message type received from the UTIL" |
| 2079 | " (not one of IND:AUTO_IND) (type:%d)\n", |
| 2080 | type); |
| 2081 | break; |
| 2082 | } |
| 2083 | |
| 2084 | /* |
| 2085 | * Run the Flow FSM to process this event |
| 2086 | */ |
| 2087 | if(BCM_ERR_OK == ret) |
| 2088 | { |
| 2089 | ret = flow_fsm_exec(p_flow_inst, &fsm_event); |
| 2090 | } |
| 2091 | } |
| 2092 | while(0); |
| 2093 | |
| 2094 | return ret; |
| 2095 | } |
| 2096 | |
| 2097 | /* |
| 2098 | * Helper functions |
| 2099 | */ |
| 2100 | |
| 2101 | /*****************************************************************************/ |
| 2102 | /** |
| 2103 | * @brief A function to retrieve a flow instance of the specified |
| 2104 | * class. |
| 2105 | * |
| 2106 | * @param key A pointer to the key of the flow being |
| 2107 | * referenced |
| 2108 | * @param search_flag A flag specifying the type of flow |
| 2109 | * instance to be retrieved |
| 2110 | * |
| 2111 | * @param is_new_flow A returned value signifying whether a found flow was on the free list |
| 2112 | * |
| 2113 | * @returns flow_inst_t* A pointer to the found flow instance, |
| 2114 | * or NULL if one is not found |
| 2115 | * |
| 2116 | *****************************************************************************/ |
| 2117 | static flow_inst *flow_inst_get(bcmbal_flow_key *key, flow_flag search_flag, bcmos_bool *is_new_flow) |
| 2118 | { |
| 2119 | flow_inst *current_entry = NULL; |
| 2120 | |
| 2121 | if(NULL != is_new_flow) |
| 2122 | { |
| 2123 | *is_new_flow = BCMOS_FALSE; |
| 2124 | } |
| 2125 | |
| 2126 | /* |
| 2127 | * First, check the active list if the caller has chosen to do so |
| 2128 | */ |
| 2129 | if(FLOW_FLAG_ACTIVE & search_flag) |
| 2130 | { |
| 2131 | TAILQ_FOREACH(current_entry, |
| 2132 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 2133 | flow_inst_next) |
| 2134 | { |
| 2135 | |
| 2136 | if((current_entry->api_req_flow_info.key.flow_id == key->flow_id) |
| 2137 | && |
| 2138 | ((FLOW_FLAG_IGNORE_DIR & search_flag) ? |
| 2139 | 1:(current_entry->api_req_flow_info.key.flow_type == key->flow_type))) |
| 2140 | { |
| 2141 | BCM_LOG(DEBUG, log_id_flow, "Found active flow\n"); |
| 2142 | /* The flow instance pointer is in current_entry */ |
| 2143 | break; |
| 2144 | } |
| 2145 | } |
| 2146 | } |
| 2147 | |
| 2148 | /* |
| 2149 | * Next, check the free list if the caller has chosen to do so |
| 2150 | */ |
| 2151 | if((FLOW_FLAG_FREE & search_flag) && (NULL == current_entry)) |
| 2152 | { |
| 2153 | /* Now check the free list */ |
| 2154 | if(!TAILQ_EMPTY(&FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list)) |
| 2155 | { |
| 2156 | /* Just grab the first entry */ |
| 2157 | current_entry = TAILQ_FIRST(&FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list); |
| 2158 | |
| 2159 | /* Remove it from the free list */ |
| 2160 | TAILQ_REMOVE(&FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list, current_entry, flow_inst_next); |
| 2161 | |
| 2162 | /* And add it to the active list */ |
| 2163 | TAILQ_INSERT_TAIL(&FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, current_entry, flow_inst_next); |
| 2164 | |
| 2165 | /* |
| 2166 | * Initialize the fsm state and some of the fields |
| 2167 | */ |
| 2168 | current_entry->fsm_state = FLOW_FSM_STATE_NULL; |
| 2169 | current_entry->p_peer_flow_inst = NULL; |
| 2170 | |
| 2171 | if(NULL != is_new_flow) |
| 2172 | { |
| 2173 | *is_new_flow = BCMOS_TRUE; |
| 2174 | } |
| 2175 | |
| 2176 | BCM_LOG(DEBUG, log_id_flow, "Using new flow\n"); |
| 2177 | |
| 2178 | } |
| 2179 | } |
| 2180 | |
| 2181 | if((FLOW_FLAG_ANY & search_flag) && (NULL == current_entry)) |
| 2182 | { |
| 2183 | /*A flow was not found on either list */ |
| 2184 | BCM_LOG(DEBUG, log_id_flow, "************** ERROR: no flow found\n"); |
| 2185 | } |
| 2186 | |
| 2187 | return current_entry; |
| 2188 | } |
| 2189 | |
| 2190 | |
| 2191 | /*****************************************************************************/ |
| 2192 | /** |
| 2193 | * @brief A function to retrieve a flow instance by access_if_id and svc_port_id |
| 2194 | * |
| 2195 | * @param access_if_id access interface id of the flow being searched |
| 2196 | * @param type flow type (direction) |
| 2197 | * @param svc_port_id svc_port_id of the flow being searched |
| 2198 | * |
| 2199 | * @returns flow_inst_t* A pointer to the found flow instance, |
| 2200 | * or NULL if one is not found |
| 2201 | *****************************************************************************/ |
| 2202 | flow_inst *flow_get_by_svc_id(uint16_t access_if_id, bcmbal_flow_type type, bcmbal_service_port_id svc_port_id) |
| 2203 | { |
| 2204 | flow_inst *current_entry = NULL; |
| 2205 | |
| 2206 | /* |
| 2207 | * First, check the active list if the caller has chosen to do so |
| 2208 | */ |
| 2209 | TAILQ_FOREACH(current_entry, |
| 2210 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 2211 | flow_inst_next) |
| 2212 | { |
| 2213 | |
| 2214 | if((current_entry->api_req_flow_info.data.access_int_id == access_if_id) |
| 2215 | && |
| 2216 | (current_entry->api_req_flow_info.key.flow_type == type) |
| 2217 | && |
| 2218 | (current_entry->api_req_flow_info.data.svc_port_id == svc_port_id)) |
| 2219 | { |
| 2220 | /* The flow instance pointer is in current_entry */ |
| 2221 | break; |
| 2222 | } |
| 2223 | } |
| 2224 | |
| 2225 | return current_entry; |
| 2226 | } |
| 2227 | |
| 2228 | /*****************************************************************************/ |
| 2229 | /** |
| 2230 | * @brief A function to retrieve the current flow info for the specified |
| 2231 | * flow instance. |
| 2232 | * |
| 2233 | * @param key A flow key |
| 2234 | * |
| 2235 | * @returns bcmbal_flow_cfg* A pointer to the current flow info for the |
| 2236 | * specified flow, or NULL if the flow is not found |
| 2237 | *****************************************************************************/ |
| 2238 | bcmbal_flow_cfg *flow_get_current_info_by_key(bcmbal_flow_key key) |
| 2239 | { |
| 2240 | flow_inst *current_entry = NULL; |
| 2241 | |
| 2242 | /* |
| 2243 | * Check the active list |
| 2244 | */ |
| 2245 | TAILQ_FOREACH(current_entry, |
| 2246 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 2247 | flow_inst_next) |
| 2248 | { |
| 2249 | |
| 2250 | if((current_entry->current_flow_info.key.flow_id == key.flow_id) |
| 2251 | && |
| 2252 | (current_entry->current_flow_info.key.flow_type == key.flow_type)) |
| 2253 | { |
| 2254 | /* The flow instance pointer is in current_entry */ |
| 2255 | break; |
| 2256 | } |
| 2257 | } |
| 2258 | |
| 2259 | if(current_entry) |
| 2260 | { |
| 2261 | return &(current_entry->current_flow_info); |
| 2262 | } |
| 2263 | else |
| 2264 | { |
| 2265 | return NULL; |
| 2266 | } |
| 2267 | } |
| 2268 | |
| 2269 | /*****************************************************************************/ |
| 2270 | /** |
| 2271 | * @brief A function to retrieve a flow instance by access_if_id and agg_port_id |
| 2272 | * |
| 2273 | * @param access_if_id access interface id of the flow being searched |
| 2274 | * @param agg_port_id svc_port_id of the flow being searched |
| 2275 | * |
| 2276 | * @returns flow_inst_t* A pointer to the found flow instance, |
| 2277 | * or NULL if one is not found |
| 2278 | *****************************************************************************/ |
| 2279 | flow_inst *flow_get_by_agg_id(uint16_t access_if_id, bcmbal_aggregation_port_id agg_port_id) |
| 2280 | { |
| 2281 | flow_inst *current_entry = NULL; |
| 2282 | |
| 2283 | /* |
| 2284 | * First, check the active list if the caller has chosen to do so |
| 2285 | */ |
| 2286 | TAILQ_FOREACH(current_entry, |
| 2287 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 2288 | flow_inst_next) |
| 2289 | { |
| 2290 | |
| 2291 | if((current_entry->current_flow_info.data.access_int_id == access_if_id) |
| 2292 | && |
| 2293 | (current_entry->current_flow_info.key.flow_type == BCMBAL_FLOW_TYPE_UPSTREAM) |
| 2294 | && |
| 2295 | (current_entry->current_flow_info.data.agg_port_id == agg_port_id)) |
| 2296 | { |
| 2297 | /* The flow instance pointer is in current_entry */ |
| 2298 | break; |
| 2299 | } |
| 2300 | } |
| 2301 | |
| 2302 | return current_entry; |
| 2303 | } |
| 2304 | |
| 2305 | |
| 2306 | /*****************************************************************************/ |
| 2307 | /** |
| 2308 | * @brief A function to retrieve the first flow instance associated with |
| 2309 | * a subscriber terminal |
| 2310 | * |
| 2311 | * @param access_if_id access interface id of the flow being searched |
| 2312 | * @param type flow type (direction) |
| 2313 | * @param sub_term_id the subscriber terminal associated with the flow being |
| 2314 | * searched |
| 2315 | * @param sub_term_uni uni port on ONU |
| 2316 | * |
| 2317 | * @returns flow_inst_t* A pointer to the found flow instance, |
| 2318 | * or NULL if one is not found |
| 2319 | *****************************************************************************/ |
| 2320 | static flow_inst *flow_get_first_by_sub_term(uint16_t access_if_id, |
| 2321 | bcmbal_flow_type type, |
| 2322 | uint16_t sub_term_id, |
| 2323 | uint16_t sub_term_uni) |
| 2324 | { |
| 2325 | flow_inst *current_entry = NULL; |
| 2326 | flow_inst *matched_entry = NULL; |
| 2327 | |
| 2328 | /* |
| 2329 | * First, check the active list if the caller has chosen to do so |
| 2330 | */ |
| 2331 | TAILQ_FOREACH(current_entry, |
| 2332 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 2333 | flow_inst_next) |
| 2334 | { |
| 2335 | |
| 2336 | if((current_entry->current_flow_info.data.access_int_id == access_if_id) |
| 2337 | && |
| 2338 | (current_entry->current_flow_info.key.flow_type == type) |
| 2339 | && |
| 2340 | (current_entry->current_flow_info.data.sub_term_id == sub_term_id) |
| 2341 | && |
| 2342 | (current_entry->current_flow_info.data.sub_term_uni_idx == sub_term_uni)) |
| 2343 | { |
| 2344 | /* The flow instance pointer is in current_entry */ |
| 2345 | matched_entry = current_entry; |
| 2346 | break; |
| 2347 | } |
| 2348 | else if((current_entry->current_flow_info.data.access_int_id == access_if_id) |
| 2349 | && |
| 2350 | (current_entry->current_flow_info.key.flow_type == type) |
| 2351 | && |
| 2352 | (current_entry->current_flow_info.data.sub_term_id == sub_term_id)) |
| 2353 | { |
| 2354 | if(NULL == matched_entry) |
| 2355 | matched_entry = current_entry; /* store the first matched entry irrespective of uni port match */ |
| 2356 | } |
| 2357 | } |
| 2358 | |
| 2359 | return matched_entry; |
| 2360 | } |
| 2361 | |
| 2362 | |
| 2363 | bcmos_errno svc_port_id_for_sub_term_ds_flow_get(uint16_t access_if_id, |
| 2364 | uint16_t sub_term_id, |
| 2365 | uint16_t sub_term_uni, |
| 2366 | uint16_t *svc_port_id) |
| 2367 | { |
| 2368 | flow_inst *p_flow_inst; |
| 2369 | bcmos_errno ret = BCM_ERR_OK; |
| 2370 | |
| 2371 | if(NULL == (p_flow_inst = flow_get_first_by_sub_term(access_if_id, |
| 2372 | BCMBAL_FLOW_TYPE_DOWNSTREAM, |
| 2373 | sub_term_id, |
| 2374 | sub_term_uni))) |
| 2375 | { |
| 2376 | ret = BCM_ERR_NOENT; |
| 2377 | } |
| 2378 | else |
| 2379 | { |
| 2380 | *svc_port_id = p_flow_inst->current_flow_info.data.svc_port_id; |
| 2381 | } |
| 2382 | |
| 2383 | return ret; |
| 2384 | |
| 2385 | } |
| 2386 | |
| 2387 | #ifdef FREE_FLOW_BY_KEY_SUPPORTED |
| 2388 | /*****************************************************************************/ |
| 2389 | /** |
| 2390 | * @brief A function to free a flow instance specified by a supplied key. |
| 2391 | * |
| 2392 | * |
| 2393 | * @param key A pointer to the key of the subscriber terminal instance to be freed |
| 2394 | * |
| 2395 | * |
| 2396 | * @returns bcmos_errno |
| 2397 | *****************************************************************************/ |
| 2398 | static bcmos_errno flow_free_by_key(bcmbal_flow_key *key) |
| 2399 | { |
| 2400 | bcmos_errno ret = BCM_ERR_OK; |
| 2401 | flow_inst *current_entry; |
| 2402 | flow_inst *p_temp_entry; |
| 2403 | |
| 2404 | BUG_ON(NULL == key); |
| 2405 | |
| 2406 | /* |
| 2407 | * First, check the active list (an active flow can be in the adding or removing state) |
| 2408 | */ |
| 2409 | TAILQ_FOREACH_SAFE(current_entry, |
| 2410 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 2411 | flow_inst_next, |
| 2412 | p_temp_entry) |
| 2413 | { |
| 2414 | if((current_entry->api_req_flow_info.key.flow_id == key->flow_id) && |
| 2415 | (current_entry->api_req_flow_info.key.flow_type == key->flow_type)) |
| 2416 | { |
| 2417 | |
| 2418 | /* Remove it from the active list */ |
| 2419 | TAILQ_REMOVE(&FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, current_entry, flow_inst_next); |
| 2420 | |
| 2421 | /* And add it to the free list */ |
| 2422 | current_entry->fsm_state = FLOW_FSM_STATE_NULL; |
| 2423 | current_entry->p_sub_term_fsm = NULL; |
| 2424 | TAILQ_INSERT_TAIL(&FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list, current_entry, flow_inst_next); |
| 2425 | break; |
| 2426 | } |
| 2427 | } |
| 2428 | |
| 2429 | return ret; |
| 2430 | } |
| 2431 | #endif |
| 2432 | |
| 2433 | /*****************************************************************************/ |
| 2434 | /** |
| 2435 | * @brief A function to free a flow instance specified by a the supplied |
| 2436 | * entry pointer. |
| 2437 | * |
| 2438 | * @param p_entry A pointer to the entry to be freed |
| 2439 | * |
| 2440 | * |
| 2441 | * @returns bcmos_errno |
| 2442 | *****************************************************************************/ |
| 2443 | static bcmos_errno flow_free_by_entry(flow_inst *p_entry) |
| 2444 | { |
| 2445 | bcmos_errno ret = BCM_ERR_OK; |
| 2446 | flow_inst *current_entry; |
| 2447 | flow_inst *p_temp_entry; |
| 2448 | |
| 2449 | /* |
| 2450 | * First, check the active list (an active flow can be in the adding or removing state) |
| 2451 | */ |
| 2452 | TAILQ_FOREACH_SAFE(current_entry, |
| 2453 | &FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, |
| 2454 | flow_inst_next, |
| 2455 | p_temp_entry) |
| 2456 | { |
| 2457 | if(current_entry == p_entry) |
| 2458 | { |
| 2459 | /* Remove it from the active list */ |
| 2460 | TAILQ_REMOVE(&FLOW_FSM_FLOW_LIST_CTX_PTR->active_flow_list, current_entry, flow_inst_next); |
| 2461 | break; |
| 2462 | } |
| 2463 | } |
| 2464 | |
| 2465 | /* And add it to the free list */ |
| 2466 | p_entry->fsm_state = FLOW_FSM_STATE_NULL; |
| 2467 | |
| 2468 | /* And initialize the current object in the flow instance */ |
| 2469 | flow_inst_entry_obj_init(p_entry); |
| 2470 | |
| 2471 | TAILQ_INSERT_TAIL(&FLOW_FSM_FLOW_LIST_CTX_PTR->free_flow_list, p_entry, flow_inst_next); |
| 2472 | |
| 2473 | return ret; |
| 2474 | } |
| 2475 | |
| 2476 | static bcmos_errno flow_tm_auto_create(bcmbal_flow_cfg *p_flow_info, tm_sched_inst **p_tm_sched_inst) |
| 2477 | { |
| 2478 | bcmos_errno ret = BCM_ERR_OK; |
| 2479 | bcmbal_tm_sched_cfg tm_sched_default_cfg; |
| 2480 | bcmbal_tm_sched_owner owner; |
| 2481 | bcmbal_tm_sched_key tm_sched_key; |
| 2482 | do |
| 2483 | { |
| 2484 | tm_sched_key.dir = BCMBAL_TM_SCHED_DIR_US; |
| 2485 | BCMBAL_CFG_INIT(&tm_sched_default_cfg, tm_sched, tm_sched_key); |
| 2486 | owner.type = BCMBAL_TM_SCHED_OWNER_TYPE_AGG_PORT; |
| 2487 | owner.u.agg_port.intf_id = p_flow_info->data.access_int_id; |
| 2488 | owner.u.agg_port.sub_term_id = p_flow_info->data.sub_term_id; |
| 2489 | BCMBAL_CFG_PROP_SET(&tm_sched_default_cfg, tm_sched, owner, owner); |
| 2490 | BCMBAL_CFG_PROP_SET(&tm_sched_default_cfg, tm_sched, creation_mode, BCMBAL_TM_CREATION_MODE_AUTO); |
| 2491 | if(BCMBAL_CFG_PROP_IS_SET(p_flow_info,flow,sla)) |
| 2492 | { |
| 2493 | BCMBAL_ATTRIBUTE_PROP_SET(&(tm_sched_default_cfg.data.rate),tm_shaping, sbr, p_flow_info->data.sla.min_rate); |
| 2494 | BCMBAL_ATTRIBUTE_PROP_SET(&(tm_sched_default_cfg.data.rate),tm_shaping, pbr, p_flow_info->data.sla.max_rate); |
| 2495 | } |
| 2496 | if (BCM_ERR_OK != (ret = bcmbal_tm_sched_auto_create(tm_sched_default_cfg, p_tm_sched_inst))) |
| 2497 | { |
| 2498 | BCM_LOG(ERROR, log_id_flow, "Could not create the auto tm sched\n"); |
| 2499 | break; |
| 2500 | } |
| 2501 | }while(0); |
| 2502 | return ret; |
| 2503 | } |
| 2504 | |
| 2505 | static bcmos_errno flow_tm_get(bcmbal_flow_cfg *p_flow_info, tm_sched_inst **p_tm_sched_inst) |
| 2506 | { |
| 2507 | bcmos_errno ret = BCM_ERR_OK; |
| 2508 | do |
| 2509 | { |
| 2510 | if(BCMOS_TRUE == BCMBAL_CFG_PROP_IS_SET(p_flow_info, |
| 2511 | flow, |
| 2512 | agg_port_id)) |
| 2513 | { |
| 2514 | BCM_LOG(DEBUG, log_id_flow, |
| 2515 | "Using ALLOC ID supplied by the user (%d)\n", |
| 2516 | p_flow_info->data.agg_port_id ); |
| 2517 | |
| 2518 | *p_tm_sched_inst = tm_sched_find_agg_port_node(p_flow_info->data.access_int_id, p_flow_info->data.agg_port_id); |
| 2519 | if(NULL == *p_tm_sched_inst) |
| 2520 | { |
| 2521 | BCM_LOG(ERROR, log_id_flow, |
| 2522 | "agg port %d (intf id %d sub term id %d ) has no tm sched\n", |
| 2523 | p_flow_info->data.agg_port_id, p_flow_info->data.access_int_id, p_flow_info->data.sub_term_id); |
| 2524 | ret = BCM_ERR_PARM; |
| 2525 | break; |
| 2526 | } |
| 2527 | if(p_flow_info->data.sub_term_id != (*p_tm_sched_inst)->req_tm_sched_info.data.owner.u.agg_port.sub_term_id) |
| 2528 | { |
| 2529 | BCM_LOG(ERROR, log_id_flow, |
| 2530 | "agg port %d (intf id %d) is already assign to sub term %d (not %d) \n", |
| 2531 | p_flow_info->data.agg_port_id, p_flow_info->data.access_int_id, |
| 2532 | (*p_tm_sched_inst)->req_tm_sched_info.data.owner.u.agg_port.sub_term_id, |
| 2533 | p_flow_info->data.sub_term_id); |
| 2534 | ret = BCM_ERR_PARM; |
| 2535 | break; |
| 2536 | } |
| 2537 | } |
| 2538 | else |
| 2539 | { |
| 2540 | BCM_LOG(DEBUG, log_id_flow, "Getting a new ALLOC ID from resource manager\n"); |
| 2541 | /*create a new agg port tm and allocate a new agg port id */ |
| 2542 | ret = flow_tm_auto_create(p_flow_info, p_tm_sched_inst); |
| 2543 | if(BCM_ERR_OK != ret) |
| 2544 | { |
| 2545 | BCM_LOG(ERROR, log_id_flow, |
| 2546 | "could not create the auto tm sched for agg port %d (intf id %d)\n", |
| 2547 | p_flow_info->data.agg_port_id, p_flow_info->data.access_int_id); |
| 2548 | break; |
| 2549 | } |
| 2550 | BCMBAL_CFG_PROP_SET(p_flow_info, flow, agg_port_id, |
| 2551 | (*p_tm_sched_inst)->req_tm_sched_info.data.owner.u.agg_port.agg_port_id); |
| 2552 | } |
| 2553 | }while(0); |
| 2554 | return ret; |
| 2555 | } |
| 2556 | /*@}*/ |