1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2019-2023 Broadcom 3 * All rights reserved. 4 */ 5 6 #include <rte_common.h> 7 #include <rte_cycles.h> 8 #include <rte_malloc.h> 9 #include <rte_log.h> 10 #include <rte_alarm.h> 11 #include "bnxt.h" 12 #include "bnxt_ulp.h" 13 #include "bnxt_ulp_utils.h" 14 #include "bnxt_ulp_tf.h" 15 #include "bnxt_tf_common.h" 16 #include "ulp_ha_mgr.h" 17 #include "ulp_flow_db.h" 18 19 /* Local only MACROs and defines that aren't exported */ 20 #define ULP_HA_TIMER_THREAD (1 << 0) 21 #define ULP_HA_TIMER_IS_RUNNING(info) (!!((info)->flags & ULP_HA_TIMER_THREAD)) 22 #define ULP_HA_TIMER_SEC 1 23 #define ULP_HA_WAIT_TIME (MS_PER_S / 10) 24 #define ULP_HA_WAIT_TIMEOUT (MS_PER_S * 2) 25 26 #define ULP_HA_IF_TBL_DIR TF_DIR_RX 27 #define ULP_HA_IF_TBL_TYPE TF_IF_TBL_TYPE_PROF_PARIF_ERR_ACT_REC_PTR 28 29 static void ulp_ha_mgr_timer_cancel(struct bnxt_ulp_context *ulp_ctx); 30 static int32_t ulp_ha_mgr_timer_start(void *arg); 31 static void ulp_ha_mgr_timer_cb(void *arg); 32 static int32_t ulp_ha_mgr_app_type_set(struct bnxt_ulp_context *ulp_ctx, 33 enum ulp_ha_mgr_app_type app_type); 34 static int32_t 35 ulp_ha_mgr_region_set(struct bnxt_ulp_context *ulp_ctx, 36 enum ulp_ha_mgr_region region); 37 static int32_t 38 ulp_ha_mgr_state_set(struct bnxt_ulp_context *ulp_ctx, 39 enum ulp_ha_mgr_state state); 40 41 static int32_t 42 ulp_ha_mgr_tf_client_num_get(struct bnxt_ulp_context *ulp_ctx, uint32_t *cnt); 43 44 static int32_t 45 ulp_ha_mgr_state_set_v1(struct bnxt_ulp_context *ulp_ctx, 46 enum ulp_ha_mgr_state state) 47 { 48 struct tf_set_if_tbl_entry_parms set_parms = { 0 }; 49 struct tf *tfp; 50 uint32_t val = 0; 51 int32_t rc = 0; 52 53 if (ulp_ctx == NULL) { 54 BNXT_DRV_DBG(ERR, "Invalid parms in state get.\n"); 55 return -EINVAL; 56 } 57 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SESSION_TYPE_DEFAULT); 58 if (tfp == NULL) { 59 BNXT_DRV_DBG(ERR, "Unable to get the TFP.\n"); 60 return -EINVAL; 61 } 62 63 val = (uint32_t)state; 64 65 set_parms.dir = ULP_HA_IF_TBL_DIR; 66 set_parms.type = ULP_HA_IF_TBL_TYPE; 67 set_parms.data = (uint8_t *)&val; 68 set_parms.data_sz_in_bytes = sizeof(val); 69 set_parms.idx = bnxt_ulp_cntxt_ha_reg_state_get(ulp_ctx); 70 71 rc = tf_set_if_tbl_entry(tfp, &set_parms); 72 if (rc) 73 BNXT_DRV_DBG(ERR, "Failed to write the HA state\n"); 74 75 return rc; 76 } 77 78 static int32_t 79 ulp_ha_mgr_state_set_v2(struct bnxt_ulp_context *ulp_ctx, 80 enum ulp_ha_mgr_state state) 81 { 82 struct tf_set_session_hotup_state_parms parms = { 0 }; 83 struct tf *tfp; 84 int32_t rc = 0; 85 86 if (ulp_ctx == NULL) { 87 BNXT_DRV_DBG(ERR, "Invalid parms in state get.\n"); 88 return -EINVAL; 89 } 90 91 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SESSION_TYPE_SHARED_WC); 92 if (tfp == NULL) { 93 BNXT_DRV_DBG(ERR, "Unable to get the TFP.\n"); 94 return -EINVAL; 95 } 96 97 parms.state = (uint16_t)state; 98 rc = tf_set_session_hotup_state(tfp, &parms); 99 if (rc) { 100 BNXT_DRV_DBG(ERR, "Failed to write the HA state\n"); 101 return rc; 102 } 103 104 return rc; 105 } 106 107 static int32_t 108 ulp_ha_mgr_state_set(struct bnxt_ulp_context *ulp_ctx, 109 enum ulp_ha_mgr_state state) 110 { 111 if (bnxt_ulp_cntxt_multi_shared_session_enabled(ulp_ctx)) 112 return ulp_ha_mgr_state_set_v2(ulp_ctx, state); 113 else 114 return ulp_ha_mgr_state_set_v1(ulp_ctx, state); 115 } 116 117 static int32_t 118 ulp_ha_mgr_tf_state_get(struct bnxt_ulp_context *ulp_ctx, 119 uint32_t *state, 120 uint32_t *cnt) 121 { 122 struct tf_get_session_hotup_state_parms parms = { 0 }; 123 struct tf *tfp; 124 int32_t rc = 0; 125 126 if (ulp_ctx == NULL) { 127 BNXT_DRV_DBG(ERR, "Invalid parms in client num get.\n"); 128 return -EINVAL; 129 } 130 131 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SESSION_TYPE_SHARED_WC); 132 if (tfp == NULL) { 133 BNXT_DRV_DBG(ERR, "Unable to get the TFP.\n"); 134 return -EINVAL; 135 } 136 137 rc = tf_get_session_hotup_state(tfp, &parms); 138 if (rc) { 139 BNXT_DRV_DBG(ERR, "Failed to read the HA state\n"); 140 return rc; 141 } 142 143 if (state) 144 *state = parms.state; 145 146 if (cnt) 147 *cnt = parms.ref_cnt; 148 149 return rc; 150 } 151 152 static int32_t 153 ulp_ha_mgr_tf_client_num_get_v1(struct bnxt_ulp_context *ulp_ctx, 154 uint32_t *cnt) 155 { 156 struct tf_get_if_tbl_entry_parms get_parms = { 0 }; 157 struct tf *tfp; 158 uint32_t val = 0; 159 int32_t rc = 0; 160 161 if (ulp_ctx == NULL || cnt == NULL) { 162 BNXT_DRV_DBG(ERR, "Invalid parms in client num get.\n"); 163 return -EINVAL; 164 } 165 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SESSION_TYPE_DEFAULT); 166 if (tfp == NULL) { 167 BNXT_DRV_DBG(ERR, "Unable to get the TFP.\n"); 168 return -EINVAL; 169 } 170 171 get_parms.dir = ULP_HA_IF_TBL_DIR; 172 get_parms.type = ULP_HA_IF_TBL_TYPE; 173 get_parms.idx = bnxt_ulp_cntxt_ha_reg_cnt_get(ulp_ctx); 174 get_parms.data = (uint8_t *)&val; 175 get_parms.data_sz_in_bytes = sizeof(val); 176 177 rc = tf_get_if_tbl_entry(tfp, &get_parms); 178 if (rc) 179 BNXT_DRV_DBG(ERR, "Failed to read the number of HA clients\n"); 180 181 *cnt = val; 182 return rc; 183 } 184 185 static int32_t 186 ulp_ha_mgr_tf_client_num_get(struct bnxt_ulp_context *ulp_ctx, 187 uint32_t *cnt) 188 { 189 if (bnxt_ulp_cntxt_multi_shared_session_enabled(ulp_ctx)) 190 return ulp_ha_mgr_tf_state_get(ulp_ctx, NULL, cnt); 191 else 192 return ulp_ha_mgr_tf_client_num_get_v1(ulp_ctx, cnt); 193 } 194 195 static int32_t 196 ulp_ha_mgr_region_set(struct bnxt_ulp_context *ulp_ctx, 197 enum ulp_ha_mgr_region region) 198 { 199 struct bnxt_ulp_ha_mgr_info *ha_info; 200 201 if (ulp_ctx == NULL) { 202 BNXT_DRV_DBG(ERR, "Invalid params in ha region get.\n"); 203 return -EINVAL; 204 } 205 206 ha_info = bnxt_ulp_cntxt_ptr2_ha_info_get(ulp_ctx); 207 if (ha_info == NULL) { 208 BNXT_DRV_DBG(ERR, "Unable to get ha info\n"); 209 return -EINVAL; 210 } 211 ha_info->region = region; 212 213 return 0; 214 } 215 216 static int32_t 217 ulp_ha_mgr_app_type_set(struct bnxt_ulp_context *ulp_ctx, 218 enum ulp_ha_mgr_app_type app_type) 219 { 220 struct bnxt_ulp_ha_mgr_info *ha_info; 221 222 if (ulp_ctx == NULL) { 223 BNXT_DRV_DBG(ERR, "Invalid Parms.\n"); 224 return -EINVAL; 225 } 226 227 ha_info = bnxt_ulp_cntxt_ptr2_ha_info_get(ulp_ctx); 228 if (ha_info == NULL) { 229 BNXT_DRV_DBG(ERR, "Unable to get the ha info.\n"); 230 return -EINVAL; 231 } 232 ha_info->app_type = app_type; 233 234 return 0; 235 } 236 237 static void 238 ulp_ha_mgr_timer_cb(void *arg) 239 { 240 struct tf_move_tcam_shared_entries_parms mparms = { 0 }; 241 struct tf_clear_tcam_shared_entries_parms cparms = { 0 }; 242 struct bnxt_ulp_context *ulp_ctx; 243 enum ulp_ha_mgr_state curr_state; 244 enum ulp_ha_mgr_app_type app_type; 245 uint8_t myclient_cnt = 0; 246 uint32_t client_cnt = 0; 247 struct tf *tfp; 248 int32_t rc; 249 250 ulp_ctx = bnxt_ulp_cntxt_entry_acquire(arg); 251 if (ulp_ctx == NULL) { 252 ulp_ha_mgr_timer_start(arg); 253 return; 254 } 255 256 myclient_cnt = bnxt_ulp_cntxt_num_shared_clients_get(ulp_ctx); 257 if (myclient_cnt == 0) { 258 BNXT_DRV_DBG(ERR, 259 "PANIC Client Count is zero kill timer\n."); 260 return; 261 } 262 263 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SESSION_TYPE_SHARED_WC); 264 if (tfp == NULL) { 265 BNXT_DRV_DBG(ERR, "Unable to get the TFP.\n"); 266 goto cb_restart; 267 } 268 269 rc = ulp_ha_mgr_state_get(ulp_ctx, &curr_state); 270 if (rc) { 271 /* 272 * This shouldn't happen, if it does, reset the timer 273 * and try again next time. 274 */ 275 BNXT_DRV_DBG(ERR, "Failed(%d) to get state.\n", 276 rc); 277 goto cb_restart; 278 } 279 280 rc = ulp_ha_mgr_tf_client_num_get(ulp_ctx, &client_cnt); 281 if (rc) { 282 BNXT_DRV_DBG(ERR, "Failed(%d) to get cnt.\n", 283 rc); 284 goto cb_restart; 285 } 286 287 rc = ulp_ha_mgr_app_type_get(ulp_ctx, &app_type); 288 if (rc) { 289 BNXT_DRV_DBG(ERR, "Failed(%d) to get type.\n", 290 rc); 291 goto cb_restart; 292 } 293 294 /* Handle the Cleanup if an app went away */ 295 if (client_cnt == myclient_cnt) { 296 if (curr_state == ULP_HA_STATE_PRIM_SEC_RUN && 297 app_type == ULP_HA_APP_TYPE_PRIM) { 298 /* 299 * The SECONDARY went away: 300 * 1. Set the state to PRIM_RUN 301 * 2. Clear the High region so our TCAM will hit. 302 */ 303 rc = ulp_ha_mgr_state_set(ulp_ctx, 304 ULP_HA_STATE_PRIM_RUN); 305 if (rc) { 306 BNXT_DRV_DBG(ERR, 307 "On HA CB:Failed(%d) to set state\n", 308 rc); 309 goto cb_restart; 310 } 311 312 cparms.dir = TF_DIR_RX; 313 cparms.tcam_tbl_type = 314 TF_TCAM_TBL_TYPE_WC_TCAM_HIGH; 315 rc = tf_clear_tcam_shared_entries(tfp, &cparms); 316 if (rc) { 317 BNXT_DRV_DBG(ERR, 318 "On HA CB:Failed(%d) clear tcam\n", 319 rc); 320 goto cb_restart; 321 } 322 } else if (curr_state == ULP_HA_STATE_PRIM_SEC_RUN && 323 app_type == ULP_HA_APP_TYPE_SEC) { 324 /* 325 * The PRIMARY went away: 326 * 1. Set the state to SEC_COPY 327 * 2. Clear the Low Region for the next copy 328 */ 329 rc = ulp_ha_mgr_state_set(ulp_ctx, 330 ULP_HA_STATE_SEC_TIMER_COPY); 331 if (rc) { 332 BNXT_DRV_DBG(ERR, 333 "On HA CB:Failed(%d) to set state\n", 334 rc); 335 goto cb_restart; 336 } 337 curr_state = ULP_HA_STATE_SEC_TIMER_COPY; 338 } 339 } 340 341 /* Only the Secondary has work to on SEC_TIMER_COPY */ 342 if (curr_state != ULP_HA_STATE_SEC_TIMER_COPY || 343 app_type != ULP_HA_APP_TYPE_SEC) 344 goto cb_restart; 345 346 /* Protect the flow database during the copy */ 347 if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) { 348 /* Should not fail, if we do, restart timer and try again */ 349 BNXT_DRV_DBG(ERR, "Flow db lock acquire failed\n"); 350 goto cb_restart; 351 } 352 /* All paths after this point must release the fdb lock */ 353 354 /* The Primary has issued a close and we are in the timer copy 355 * phase. Become the new Primary, Set state to Primary Run and 356 * move WC entries to Low Region. 357 */ 358 BNXT_DRV_DBG(INFO, "On HA CB: Moving entries HI to LOW\n"); 359 360 cparms.dir = TF_DIR_RX; 361 cparms.tcam_tbl_type = TF_TCAM_TBL_TYPE_WC_TCAM_LOW; 362 rc = tf_clear_tcam_shared_entries(tfp, &cparms); 363 if (rc) { 364 BNXT_DRV_DBG(ERR, 365 "On HA CB:Failed(%d) clear tcam low\n", 366 rc); 367 goto unlock; 368 } 369 370 mparms.dir = TF_DIR_RX; 371 mparms.tcam_tbl_type = TF_TCAM_TBL_TYPE_WC_TCAM_HIGH; 372 rc = tf_move_tcam_shared_entries(tfp, &mparms); 373 if (rc) { 374 BNXT_DRV_DBG(ERR, "On HA_CB: Failed to move entries\n"); 375 goto unlock; 376 } 377 378 ulp_ha_mgr_region_set(ulp_ctx, ULP_HA_REGION_LOW); 379 ulp_ha_mgr_app_type_set(ulp_ctx, ULP_HA_APP_TYPE_PRIM); 380 ulp_ha_mgr_state_set(ulp_ctx, ULP_HA_STATE_PRIM_RUN); 381 BNXT_DRV_DBG(INFO, "On HA CB: SEC[SEC_TIMER_COPY] => PRIM[PRIM_RUN]\n"); 382 unlock: 383 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx); 384 cb_restart: 385 bnxt_ulp_cntxt_entry_release(); 386 ulp_ha_mgr_timer_start(arg); 387 } 388 389 static int32_t 390 ulp_ha_mgr_timer_start(void *arg) 391 { 392 rte_eal_alarm_set(US_PER_S * ULP_HA_TIMER_SEC, 393 ulp_ha_mgr_timer_cb, arg); 394 return 0; 395 } 396 397 static void 398 ulp_ha_mgr_timer_cancel(struct bnxt_ulp_context *ulp_ctx) 399 { 400 rte_eal_alarm_cancel(ulp_ha_mgr_timer_cb, ulp_ctx->cfg_data); 401 } 402 403 int32_t 404 ulp_ha_mgr_init(struct bnxt_ulp_context *ulp_ctx) 405 { 406 struct bnxt_ulp_ha_mgr_info *ha_info; 407 int32_t rc; 408 ha_info = rte_zmalloc("ulp_ha_mgr_info", sizeof(*ha_info), 0); 409 if (!ha_info) 410 return -ENOMEM; 411 412 /* Add the HA info tbl to the ulp context. */ 413 bnxt_ulp_cntxt_ptr2_ha_info_set(ulp_ctx, ha_info); 414 415 pthread_mutex_init(&ha_info->ha_lock, NULL); 416 rc = ulp_ha_mgr_timer_start(ulp_ctx->cfg_data); 417 if (rc) { 418 PMD_DRV_LOG_LINE(ERR, "Unable to start timer CB"); 419 goto cleanup; 420 } 421 422 return 0; 423 cleanup: 424 if (ha_info != NULL) 425 ulp_ha_mgr_deinit(ulp_ctx); 426 return -ENOMEM; 427 } 428 429 void 430 ulp_ha_mgr_deinit(struct bnxt_ulp_context *ulp_ctx) 431 { 432 struct bnxt_ulp_ha_mgr_info *ha_info; 433 434 ulp_ha_mgr_timer_cancel(ulp_ctx); 435 436 ha_info = bnxt_ulp_cntxt_ptr2_ha_info_get(ulp_ctx); 437 if (ha_info == NULL) { 438 BNXT_DRV_DBG(ERR, "Unable to get HA Info for deinit.\n"); 439 return; 440 } 441 442 pthread_mutex_destroy(&ha_info->ha_lock); 443 rte_free(ha_info); 444 445 bnxt_ulp_cntxt_ptr2_ha_info_set(ulp_ctx, NULL); 446 } 447 448 int32_t 449 ulp_ha_mgr_app_type_get(struct bnxt_ulp_context *ulp_ctx, 450 enum ulp_ha_mgr_app_type *app_type) 451 { 452 struct bnxt_ulp_ha_mgr_info *ha_info; 453 454 if (ulp_ctx == NULL || app_type == NULL) { 455 BNXT_DRV_DBG(ERR, "Invalid Parms.\n"); 456 return -EINVAL; 457 } 458 459 ha_info = bnxt_ulp_cntxt_ptr2_ha_info_get(ulp_ctx); 460 if (ha_info == NULL) { 461 BNXT_DRV_DBG(ERR, "Unable to get the HA info.\n"); 462 return -EINVAL; 463 } 464 *app_type = ha_info->app_type; 465 466 return 0; 467 } 468 469 static int32_t 470 ulp_ha_mgr_state_get_v1(struct bnxt_ulp_context *ulp_ctx, 471 enum ulp_ha_mgr_state *state) 472 { 473 struct tf_get_if_tbl_entry_parms get_parms = { 0 }; 474 struct tf *tfp; 475 uint32_t val = 0; 476 int32_t rc = 0; 477 478 if (ulp_ctx == NULL || state == NULL) { 479 BNXT_DRV_DBG(ERR, "Invalid parms in state get.\n"); 480 return -EINVAL; 481 } 482 tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SESSION_TYPE_DEFAULT); 483 if (tfp == NULL) { 484 BNXT_DRV_DBG(ERR, "Unable to get the TFP.\n"); 485 return -EINVAL; 486 } 487 488 get_parms.dir = ULP_HA_IF_TBL_DIR; 489 get_parms.type = ULP_HA_IF_TBL_TYPE; 490 get_parms.idx = bnxt_ulp_cntxt_ha_reg_state_get(ulp_ctx); 491 get_parms.data = (uint8_t *)&val; 492 get_parms.data_sz_in_bytes = sizeof(val); 493 494 rc = tf_get_if_tbl_entry(tfp, &get_parms); 495 if (rc) 496 BNXT_DRV_DBG(ERR, "Failed to read the HA state\n"); 497 498 *state = val; 499 return rc; 500 } 501 502 int32_t 503 ulp_ha_mgr_state_get(struct bnxt_ulp_context *ulp_ctx, 504 enum ulp_ha_mgr_state *state) 505 { 506 if (bnxt_ulp_cntxt_multi_shared_session_enabled(ulp_ctx)) 507 return ulp_ha_mgr_tf_state_get(ulp_ctx, state, NULL); 508 else 509 return ulp_ha_mgr_state_get_v1(ulp_ctx, state); 510 } 511 512 int32_t 513 ulp_ha_mgr_open(struct bnxt_ulp_context *ulp_ctx) 514 { 515 enum ulp_ha_mgr_state curr_state; 516 int32_t rc; 517 518 rc = ulp_ha_mgr_state_get(ulp_ctx, &curr_state); 519 if (rc) { 520 BNXT_DRV_DBG(ERR, "Failed to get HA state on Open (%d)\n", rc); 521 return -EINVAL; 522 } 523 524 /* 525 * An Open can only occur during the Init and Primary Run states. During 526 * Init, the system attempting to Open will become the only system 527 * running. During Primary Run, the system attempting to Open will 528 * become the secondary system temporarily, and should eventually be 529 * transitioned to the primary system. 530 */ 531 switch (curr_state) { 532 case ULP_HA_STATE_INIT: 533 /* 534 * No system is running, as we are the primary. Since no other 535 * system is running, we start writing into the low region. By 536 * writing into the low region, we save room for the secondary 537 * system to override our entries by using the high region. 538 */ 539 ulp_ha_mgr_app_type_set(ulp_ctx, ULP_HA_APP_TYPE_PRIM); 540 ulp_ha_mgr_region_set(ulp_ctx, ULP_HA_REGION_LOW); 541 rc = ulp_ha_mgr_state_set(ulp_ctx, ULP_HA_STATE_PRIM_RUN); 542 if (rc) { 543 BNXT_DRV_DBG(ERR, "On Open: Failed to set PRIM_RUN.\n"); 544 return -EINVAL; 545 } 546 547 BNXT_DRV_DBG(INFO, "On Open: [INIT] => PRIM[PRIM_RUN]\n"); 548 break; 549 case ULP_HA_STATE_PRIM_RUN: 550 /* 551 * The secondary system is starting in order to take over. 552 * The current primary is expected to eventually close and pass 553 * full control to this system;however, until the primary closes 554 * both are operational. 555 */ 556 ulp_ha_mgr_app_type_set(ulp_ctx, ULP_HA_APP_TYPE_SEC); 557 ulp_ha_mgr_region_set(ulp_ctx, ULP_HA_REGION_HI); 558 559 rc = ulp_ha_mgr_state_set(ulp_ctx, ULP_HA_STATE_PRIM_SEC_RUN); 560 if (rc) { 561 BNXT_DRV_DBG(ERR, "On Open: Failed to set PRIM_SEC_RUN\n"); 562 return -EINVAL; 563 } 564 BNXT_DRV_DBG(INFO, "On Open: [PRIM_RUN] => [PRIM_SEC_RUN]\n"); 565 break; 566 default: 567 BNXT_DRV_DBG(ERR, "On Open: Unknown state 0x%x\n", curr_state); 568 return -EINVAL; 569 } 570 571 return 0; 572 } 573 574 int32_t 575 ulp_ha_mgr_close(struct bnxt_ulp_context *ulp_ctx) 576 { 577 enum ulp_ha_mgr_state curr_state, next_state, poll_state; 578 enum ulp_ha_mgr_app_type app_type; 579 int32_t timeout; 580 int32_t rc; 581 582 curr_state = ULP_HA_STATE_INIT; 583 app_type = ULP_HA_APP_TYPE_NONE; 584 rc = ulp_ha_mgr_state_get(ulp_ctx, &curr_state); 585 if (rc) { 586 BNXT_DRV_DBG(ERR, "On Close: Failed(%d) to get HA state\n", rc); 587 return -EINVAL; 588 } 589 590 rc = ulp_ha_mgr_app_type_get(ulp_ctx, &app_type); 591 if (rc) { 592 BNXT_DRV_DBG(ERR, "On Close: Failed to get the app type.\n"); 593 return -EINVAL; 594 } 595 596 if (curr_state == ULP_HA_STATE_PRIM_RUN && 597 app_type == ULP_HA_APP_TYPE_PRIM) { 598 /* 599 * Only the primary is running, so a close effectively moves the 600 * system back to INIT. 601 */ 602 next_state = ULP_HA_STATE_INIT; 603 ulp_ha_mgr_state_set(ulp_ctx, next_state); 604 BNXT_DRV_DBG(INFO, "On Close: PRIM[PRIM_RUN] => [INIT]\n"); 605 } else if (curr_state == ULP_HA_STATE_PRIM_SEC_RUN && 606 app_type == ULP_HA_APP_TYPE_PRIM) { 607 /* 608 * While both are running, the primary received a close. 609 * Cleanup the flows, set the COPY state, and wait for the 610 * secondary to become the Primary. 611 */ 612 BNXT_DRV_DBG(INFO, 613 "On Close: PRIM[PRIM_SEC_RUN] flushing flows.\n"); 614 615 ulp_flow_db_flush_flows(ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR); 616 ulp_ha_mgr_state_set(ulp_ctx, ULP_HA_STATE_SEC_TIMER_COPY); 617 618 /* 619 * TODO: This needs to be bounded in case the other system does 620 * not move to PRIM_RUN. 621 */ 622 BNXT_DRV_DBG(INFO, 623 "On Close: PRIM[PRIM_SEC_RUN] => [Copy], enter wait.\n"); 624 timeout = ULP_HA_WAIT_TIMEOUT; 625 do { 626 rte_delay_ms(ULP_HA_WAIT_TIME); 627 rc = ulp_ha_mgr_state_get(ulp_ctx, &poll_state); 628 if (rc) { 629 BNXT_DRV_DBG(ERR, 630 "Failed to get HA state on Close (%d)\n", 631 rc); 632 goto cleanup; 633 } 634 timeout -= ULP_HA_WAIT_TIME; 635 BNXT_DRV_DBG(INFO, 636 "On Close: Waiting %d ms for PRIM_RUN\n", 637 timeout); 638 } while (poll_state != ULP_HA_STATE_PRIM_RUN && timeout > 0); 639 640 if (timeout <= 0) { 641 BNXT_DRV_DBG(ERR, "On Close: SEC[COPY] Timed out\n"); 642 goto cleanup; 643 } 644 645 BNXT_DRV_DBG(INFO, "On Close: PRIM[PRIM_SEC_RUN] => [COPY]\n"); 646 } else if (curr_state == ULP_HA_STATE_PRIM_SEC_RUN && 647 app_type == ULP_HA_APP_TYPE_SEC) { 648 /* 649 * While both are running, the secondary unexpectedly received a 650 * close. 651 */ 652 ulp_ha_mgr_state_set(ulp_ctx, ULP_HA_STATE_PRIM_RUN); 653 654 BNXT_DRV_DBG(INFO, "On Close: SEC[PRIM_SEC_RUN] => [PRIM_RUN]\n"); 655 } else if (curr_state == ULP_HA_STATE_SEC_TIMER_COPY && 656 app_type == ULP_HA_APP_TYPE_SEC) { 657 /* 658 * While both were running and the Secondary went into copy, 659 * secondary received a close. Wait until the former Primary 660 * clears the copy stage, close, and set to INIT. 661 */ 662 BNXT_DRV_DBG(INFO, "On Close: SEC[COPY] wait for PRIM_RUN\n"); 663 664 timeout = ULP_HA_WAIT_TIMEOUT; 665 do { 666 rte_delay_ms(ULP_HA_WAIT_TIME); 667 rc = ulp_ha_mgr_state_get(ulp_ctx, &poll_state); 668 if (rc) { 669 BNXT_DRV_DBG(ERR, 670 "Failed to get HA state on Close (%d)\n", 671 rc); 672 goto cleanup; 673 } 674 675 timeout -= ULP_HA_WAIT_TIME; 676 BNXT_DRV_DBG(INFO, 677 "On Close: Waiting %d ms for PRIM_RUN\n", 678 timeout); 679 } while (poll_state != ULP_HA_STATE_PRIM_RUN && 680 timeout >= 0); 681 682 if (timeout <= 0) { 683 BNXT_DRV_DBG(ERR, 684 "On Close: SEC[COPY] Timed out\n"); 685 goto cleanup; 686 } 687 688 next_state = ULP_HA_STATE_INIT; 689 rc = ulp_ha_mgr_state_set(ulp_ctx, next_state); 690 if (rc) { 691 BNXT_DRV_DBG(ERR, 692 "On Close: Failed to set state to INIT(%x)\n", 693 rc); 694 goto cleanup; 695 } 696 697 BNXT_DRV_DBG(INFO, 698 "On Close: SEC[COPY] => [INIT] after %d ms\n", 699 ULP_HA_WAIT_TIMEOUT - timeout); 700 } else { 701 BNXT_DRV_DBG(ERR, "On Close: Invalid type/state %d/%d\n", 702 curr_state, app_type); 703 } 704 /* else do nothing just return*/ 705 706 cleanup: 707 return rc; 708 } 709 710 int32_t 711 ulp_ha_mgr_region_get(struct bnxt_ulp_context *ulp_ctx, 712 enum ulp_ha_mgr_region *region) 713 { 714 struct bnxt_ulp_ha_mgr_info *ha_info; 715 716 if (ulp_ctx == NULL || region == NULL) { 717 BNXT_DRV_DBG(ERR, "Invalid params in ha region get.\n"); 718 return -EINVAL; 719 } 720 721 ha_info = bnxt_ulp_cntxt_ptr2_ha_info_get(ulp_ctx); 722 if (ha_info == NULL) { 723 BNXT_DRV_DBG(ERR, "Unable to get ha info\n"); 724 return -EINVAL; 725 } 726 *region = ha_info->region; 727 728 return 0; 729 } 730