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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 | /****************************************************************************** * * (C)Copyright 1998,1999 SysKonnect, * a business unit of Schneider & Koch & Co. Datensysteme GmbH. * * See the file "skfddi.c" for further information. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * The information in this file is provided "AS IS" without warranty. * ******************************************************************************/ /* SMT RMT Ring Management */ /* * Hardware independant state machine implemantation * The following external SMT functions are referenced : * * queue_event() * smt_timer_start() * smt_timer_stop() * * The following external HW dependant functions are referenced : * sm_ma_control() * sm_mac_check_beacon_claim() * * The following HW dependant events are required : * RM_RING_OP * RM_RING_NON_OP * RM_MY_BEACON * RM_OTHER_BEACON * RM_MY_CLAIM * RM_TRT_EXP * RM_VALID_CLAIM * */ #include "h/types.h" #include "h/fddi.h" #include "h/smc.h" #define KERNEL #include "h/smtstate.h" #ifndef lint static const char ID_sccs[] = "@(#)rmt.c 2.13 99/07/02 (C) SK " ; #endif /* * FSM Macros */ #define AFLAG 0x10 #define GO_STATE(x) (smc->mib.m[MAC0].fddiMACRMTState = (x)|AFLAG) #define ACTIONS_DONE() (smc->mib.m[MAC0].fddiMACRMTState &= ~AFLAG) #define ACTIONS(x) (x|AFLAG) #define RM0_ISOLATED 0 #define RM1_NON_OP 1 /* not operational */ #define RM2_RING_OP 2 /* ring operational */ #define RM3_DETECT 3 /* detect dupl addresses */ #define RM4_NON_OP_DUP 4 /* dupl. addr detected */ #define RM5_RING_OP_DUP 5 /* ring oper. with dupl. addr */ #define RM6_DIRECTED 6 /* sending directed beacons */ #define RM7_TRACE 7 /* trace initiated */ #ifdef DEBUG /* * symbolic state names */ static const char * const rmt_states[] = { "RM0_ISOLATED","RM1_NON_OP","RM2_RING_OP","RM3_DETECT", "RM4_NON_OP_DUP","RM5_RING_OP_DUP","RM6_DIRECTED", "RM7_TRACE" } ; /* * symbolic event names */ static const char * const rmt_events[] = { "NONE","RM_RING_OP","RM_RING_NON_OP","RM_MY_BEACON", "RM_OTHER_BEACON","RM_MY_CLAIM","RM_TRT_EXP","RM_VALID_CLAIM", "RM_JOIN","RM_LOOP","RM_DUP_ADDR","RM_ENABLE_FLAG", "RM_TIMEOUT_NON_OP","RM_TIMEOUT_T_STUCK", "RM_TIMEOUT_ANNOUNCE","RM_TIMEOUT_T_DIRECT", "RM_TIMEOUT_D_MAX","RM_TIMEOUT_POLL","RM_TX_STATE_CHANGE" } ; #endif /* * Globals * in struct s_rmt */ /* * function declarations */ static void rmt_fsm() ; static void start_rmt_timer0() ; static void start_rmt_timer1() ; static void start_rmt_timer2() ; static void stop_rmt_timer0() ; static void stop_rmt_timer1() ; static void stop_rmt_timer2() ; static void rmt_dup_actions() ; static void rmt_reinsert_actions() ; static void rmt_leave_actions() ; static void rmt_new_dup_actions() ; #ifndef SUPERNET_3 extern void restart_trt_for_dbcn() ; #endif /*SUPERNET_3*/ /* init RMT state machine clear all RMT vars and flags */ void rmt_init(smc) struct s_smc *smc ; { smc->mib.m[MAC0].fddiMACRMTState = ACTIONS(RM0_ISOLATED) ; smc->r.dup_addr_test = DA_NONE ; smc->r.da_flag = 0 ; smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ; smc->r.sm_ma_avail = FALSE ; smc->r.loop_avail = 0 ; smc->r.bn_flag = 0 ; smc->r.jm_flag = 0 ; smc->r.no_flag = TRUE ; } /* RMT state machine called by dispatcher do display state change process event until SM is stable */ void rmt(smc,event) struct s_smc *smc ; int event ; { int state ; do { DB_RMT("RMT : state %s%s", (smc->mib.m[MAC0].fddiMACRMTState & AFLAG) ? "ACTIONS " : "", rmt_states[smc->mib.m[MAC0].fddiMACRMTState & ~AFLAG]) ; DB_RMT(" event %s\n",rmt_events[event],0) ; state = smc->mib.m[MAC0].fddiMACRMTState ; rmt_fsm(smc,event) ; event = 0 ; } while (state != smc->mib.m[MAC0].fddiMACRMTState) ; rmt_state_change(smc,(int)smc->mib.m[MAC0].fddiMACRMTState) ; } /* process RMT event */ static void rmt_fsm(smc,cmd) struct s_smc *smc ; int cmd ; { /* * RM00-RM70 : from all states */ if (!smc->r.rm_join && !smc->r.rm_loop && smc->mib.m[MAC0].fddiMACRMTState != ACTIONS(RM0_ISOLATED) && smc->mib.m[MAC0].fddiMACRMTState != RM0_ISOLATED) { RS_SET(smc,RS_NORINGOP) ; rmt_indication(smc,0) ; GO_STATE(RM0_ISOLATED) ; return ; } switch(smc->mib.m[MAC0].fddiMACRMTState) { case ACTIONS(RM0_ISOLATED) : stop_rmt_timer0(smc) ; stop_rmt_timer1(smc) ; stop_rmt_timer2(smc) ; /* * Disable MAC. */ sm_ma_control(smc,MA_OFFLINE) ; smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ; smc->r.loop_avail = FALSE ; smc->r.sm_ma_avail = FALSE ; smc->r.no_flag = TRUE ; DB_RMTN(1,"RMT : ISOLATED\n",0,0) ; ACTIONS_DONE() ; break ; case RM0_ISOLATED : /*RM01*/ if (smc->r.rm_join || smc->r.rm_loop) { /* * According to the standard the MAC must be reset * here. The FORMAC will be initialized and Claim * and Beacon Frames will be uploaded to the MAC. * So any change of Treq will take effect NOW. */ sm_ma_control(smc,MA_RESET) ; GO_STATE(RM1_NON_OP) ; break ; } break ; case ACTIONS(RM1_NON_OP) : start_rmt_timer0(smc,smc->s.rmt_t_non_op,RM_TIMEOUT_NON_OP) ; stop_rmt_timer1(smc) ; stop_rmt_timer2(smc) ; sm_ma_control(smc,MA_BEACON) ; DB_RMTN(1,"RMT : RING DOWN\n",0,0) ; RS_SET(smc,RS_NORINGOP) ; smc->r.sm_ma_avail = FALSE ; rmt_indication(smc,0) ; ACTIONS_DONE() ; break ; case RM1_NON_OP : /*RM12*/ if (cmd == RM_RING_OP) { RS_SET(smc,RS_RINGOPCHANGE) ; GO_STATE(RM2_RING_OP) ; break ; } /*RM13*/ else if (cmd == RM_TIMEOUT_NON_OP) { smc->r.bn_flag = FALSE ; smc->r.no_flag = TRUE ; GO_STATE(RM3_DETECT) ; break ; } break ; case ACTIONS(RM2_RING_OP) : stop_rmt_timer0(smc) ; stop_rmt_timer1(smc) ; stop_rmt_timer2(smc) ; smc->r.no_flag = FALSE ; if (smc->r.rm_loop) smc->r.loop_avail = TRUE ; if (smc->r.rm_join) { smc->r.sm_ma_avail = TRUE ; if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable) smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ; else smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ; } DB_RMTN(1,"RMT : RING UP\n",0,0) ; RS_CLEAR(smc,RS_NORINGOP) ; RS_SET(smc,RS_RINGOPCHANGE) ; rmt_indication(smc,1) ; smt_stat_counter(smc,0) ; ACTIONS_DONE() ; break ; case RM2_RING_OP : /*RM21*/ if (cmd == RM_RING_NON_OP) { smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ; smc->r.loop_avail = FALSE ; RS_SET(smc,RS_RINGOPCHANGE) ; GO_STATE(RM1_NON_OP) ; break ; } /*RM22a*/ else if (cmd == RM_ENABLE_FLAG) { if (smc->mib.m[MAC0].fddiMACMA_UnitdataEnable) smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = TRUE ; else smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ; } /*RM25*/ else if (smc->r.dup_addr_test == DA_FAILED) { smc->mib.m[MAC0].fddiMACMA_UnitdataAvailable = FALSE ; smc->r.loop_avail = FALSE ; smc->r.da_flag = TRUE ; GO_STATE(RM5_RING_OP_DUP) ; break ; } break ; case ACTIONS(RM3_DETECT) : start_rmt_timer0(smc,smc->s.mac_d_max*2,RM_TIMEOUT_D_MAX) ; start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ; start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ; sm_mac_check_beacon_claim(smc) ; DB_RMTN(1,"RMT : RM3_DETECT\n",0,0) ; ACTIONS_DONE() ; break ; case RM3_DETECT : if (cmd == RM_TIMEOUT_POLL) { start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL); sm_mac_check_beacon_claim(smc) ; break ; } if (cmd == RM_TIMEOUT_D_MAX) { smc->r.timer0_exp = TRUE ; } /* *jd(22-Feb-1999) * We need a time ">= 2*mac_d_max" since we had finished * Claim or Beacon state. So we will restart timer0 at * every state change. */ if (cmd == RM_TX_STATE_CHANGE) { start_rmt_timer0(smc, smc->s.mac_d_max*2, RM_TIMEOUT_D_MAX) ; } /*RM32*/ if (cmd == RM_RING_OP) { GO_STATE(RM2_RING_OP) ; break ; } /*RM33a*/ else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) && smc->r.bn_flag) { smc->r.bn_flag = FALSE ; } /*RM33b*/ else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) { int tx ; /* * set bn_flag only if in state T4 or T5: * only if we're the beaconer should we start the * trace ! */ if ((tx = sm_mac_get_tx_state(smc)) == 4 || tx == 5) { DB_RMTN(2,"RMT : DETECT && TRT_EXPIRED && T4/T5\n",0,0); smc->r.bn_flag = TRUE ; /* * If one of the upstream stations beaconed * and the link to the upstream neighbor is * lost we need to restart the stuck timer to * check the "stuck beacon" condition. */ start_rmt_timer1(smc,smc->s.rmt_t_stuck, RM_TIMEOUT_T_STUCK) ; } /* * We do NOT need to clear smc->r.bn_flag in case of * not being in state T4 or T5, because the flag * must be cleared in order to get in this condition. */ DB_RMTN(2, "RMT : sm_mac_get_tx_state() = %d (bn_flag = %d)\n", tx,smc->r.bn_flag) ; } /*RM34a*/ else if (cmd == RM_MY_CLAIM && smc->r.timer0_exp) { rmt_new_dup_actions(smc) ; GO_STATE(RM4_NON_OP_DUP) ; break ; } /*RM34b*/ else if (cmd == RM_MY_BEACON && smc->r.timer0_exp) { rmt_new_dup_actions(smc) ; GO_STATE(RM4_NON_OP_DUP) ; break ; } /*RM34c*/ else if (cmd == RM_VALID_CLAIM) { rmt_new_dup_actions(smc) ; GO_STATE(RM4_NON_OP_DUP) ; break ; } /*RM36*/ else if (cmd == RM_TIMEOUT_T_STUCK && smc->r.rm_join && smc->r.bn_flag) { GO_STATE(RM6_DIRECTED) ; break ; } break ; case ACTIONS(RM4_NON_OP_DUP) : start_rmt_timer0(smc,smc->s.rmt_t_announce,RM_TIMEOUT_ANNOUNCE); start_rmt_timer1(smc,smc->s.rmt_t_stuck,RM_TIMEOUT_T_STUCK) ; start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ; sm_mac_check_beacon_claim(smc) ; DB_RMTN(1,"RMT : RM4_NON_OP_DUP\n",0,0) ; ACTIONS_DONE() ; break ; case RM4_NON_OP_DUP : if (cmd == RM_TIMEOUT_POLL) { start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL); sm_mac_check_beacon_claim(smc) ; break ; } /*RM41*/ if (!smc->r.da_flag) { GO_STATE(RM1_NON_OP) ; break ; } /*RM44a*/ else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) && smc->r.bn_flag) { smc->r.bn_flag = FALSE ; } /*RM44b*/ else if (cmd == RM_TRT_EXP && !smc->r.bn_flag) { int tx ; /* * set bn_flag only if in state T4 or T5: * only if we're the beaconer should we start the * trace ! */ if ((tx = sm_mac_get_tx_state(smc)) == 4 || tx == 5) { DB_RMTN(2,"RMT : NOPDUP && TRT_EXPIRED && T4/T5\n",0,0); smc->r.bn_flag = TRUE ; /* * If one of the upstream stations beaconed * and the link to the upstream neighbor is * lost we need to restart the stuck timer to * check the "stuck beacon" condition. */ start_rmt_timer1(smc,smc->s.rmt_t_stuck, RM_TIMEOUT_T_STUCK) ; } /* * We do NOT need to clear smc->r.bn_flag in case of * not being in state T4 or T5, because the flag * must be cleared in order to get in this condition. */ DB_RMTN(2, "RMT : sm_mac_get_tx_state() = %d (bn_flag = %d)\n", tx,smc->r.bn_flag) ; } /*RM44c*/ else if (cmd == RM_TIMEOUT_ANNOUNCE && !smc->r.bn_flag) { rmt_dup_actions(smc) ; } /*RM45*/ else if (cmd == RM_RING_OP) { smc->r.no_flag = FALSE ; GO_STATE(RM5_RING_OP_DUP) ; break ; } /*RM46*/ else if (cmd == RM_TIMEOUT_T_STUCK && smc->r.rm_join && smc->r.bn_flag) { GO_STATE(RM6_DIRECTED) ; break ; } break ; case ACTIONS(RM5_RING_OP_DUP) : stop_rmt_timer0(smc) ; stop_rmt_timer1(smc) ; stop_rmt_timer2(smc) ; DB_RMTN(1,"RMT : RM5_RING_OP_DUP\n",0,0) ; ACTIONS_DONE() ; break; case RM5_RING_OP_DUP : /*RM52*/ if (smc->r.dup_addr_test == DA_PASSED) { smc->r.da_flag = FALSE ; GO_STATE(RM2_RING_OP) ; break ; } /*RM54*/ else if (cmd == RM_RING_NON_OP) { smc->r.jm_flag = FALSE ; smc->r.bn_flag = FALSE ; GO_STATE(RM4_NON_OP_DUP) ; break ; } break ; case ACTIONS(RM6_DIRECTED) : start_rmt_timer0(smc,smc->s.rmt_t_direct,RM_TIMEOUT_T_DIRECT) ; stop_rmt_timer1(smc) ; start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL) ; sm_ma_control(smc,MA_DIRECTED) ; RS_SET(smc,RS_BEACON) ; DB_RMTN(1,"RMT : RM6_DIRECTED\n",0,0) ; ACTIONS_DONE() ; break ; case RM6_DIRECTED : /*RM63*/ if (cmd == RM_TIMEOUT_POLL) { start_rmt_timer2(smc,smc->s.rmt_t_poll,RM_TIMEOUT_POLL); sm_mac_check_beacon_claim(smc) ; #ifndef SUPERNET_3 /* Because of problems with the Supernet II chip set * sending of Directed Beacon will stop after 165ms * therefore restart_trt_for_dbcn(smc) will be called * to prevent this. */ restart_trt_for_dbcn(smc) ; #endif /*SUPERNET_3*/ break ; } if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) && !smc->r.da_flag) { smc->r.bn_flag = FALSE ; GO_STATE(RM3_DETECT) ; break ; } /*RM64*/ else if ((cmd == RM_MY_BEACON || cmd == RM_OTHER_BEACON) && smc->r.da_flag) { smc->r.bn_flag = FALSE ; GO_STATE(RM4_NON_OP_DUP) ; break ; } /*RM67*/ else if (cmd == RM_TIMEOUT_T_DIRECT) { GO_STATE(RM7_TRACE) ; break ; } break ; case ACTIONS(RM7_TRACE) : stop_rmt_timer0(smc) ; stop_rmt_timer1(smc) ; stop_rmt_timer2(smc) ; smc->e.trace_prop |= ENTITY_BIT(ENTITY_MAC) ; queue_event(smc,EVENT_ECM,EC_TRACE_PROP) ; DB_RMTN(1,"RMT : RM7_TRACE\n",0,0) ; ACTIONS_DONE() ; break ; case RM7_TRACE : break ; default: SMT_PANIC(smc,SMT_E0122, SMT_E0122_MSG) ; break; } } /* * (jd) RMT duplicate address actions * leave the ring or reinsert just as configured */ static void rmt_dup_actions(smc) struct s_smc *smc ; { if (smc->r.jm_flag) { } else { if (smc->s.rmt_dup_mac_behavior) { SMT_ERR_LOG(smc,SMT_E0138, SMT_E0138_MSG) ; rmt_reinsert_actions(smc) ; } else { SMT_ERR_LOG(smc,SMT_E0135, SMT_E0135_MSG) ; rmt_leave_actions(smc) ; } } } /* * Reconnect to the Ring */ static void rmt_reinsert_actions(smc) struct s_smc *smc ; { queue_event(smc,EVENT_ECM,EC_DISCONNECT) ; queue_event(smc,EVENT_ECM,EC_CONNECT) ; } /* * duplicate address detected */ static void rmt_new_dup_actions(smc) struct s_smc *smc ; { smc->r.da_flag = TRUE ; smc->r.bn_flag = FALSE ; smc->r.jm_flag = FALSE ; /* * we have three options : change address, jam or leave * we leave the ring as default * Optionally it's possible to reinsert after leaving the Ring * but this will not conform with SMT Spec. */ if (smc->s.rmt_dup_mac_behavior) { SMT_ERR_LOG(smc,SMT_E0138, SMT_E0138_MSG) ; rmt_reinsert_actions(smc) ; } else { SMT_ERR_LOG(smc,SMT_E0135, SMT_E0135_MSG) ; rmt_leave_actions(smc) ; } } /* * leave the ring */ static void rmt_leave_actions(smc) struct s_smc *smc ; { queue_event(smc,EVENT_ECM,EC_DISCONNECT) ; /* * Note: Do NOT try again later. (with please reconnect) * The station must be left from the ring! */ } /* * SMT timer interface * start RMT timer 0 */ static void start_rmt_timer0(smc,value,event) struct s_smc *smc ; u_long value ; int event ; { smc->r.timer0_exp = FALSE ; /* clear timer event flag */ smt_timer_start(smc,&smc->r.rmt_timer0,value,EV_TOKEN(EVENT_RMT,event)); } /* * SMT timer interface * start RMT timer 1 */ static void start_rmt_timer1(smc,value,event) struct s_smc *smc ; u_long value ; int event ; { smc->r.timer1_exp = FALSE ; /* clear timer event flag */ smt_timer_start(smc,&smc->r.rmt_timer1,value,EV_TOKEN(EVENT_RMT,event)); } /* * SMT timer interface * start RMT timer 2 */ static void start_rmt_timer2(smc,value,event) struct s_smc *smc ; u_long value ; int event ; { smc->r.timer2_exp = FALSE ; /* clear timer event flag */ smt_timer_start(smc,&smc->r.rmt_timer2,value,EV_TOKEN(EVENT_RMT,event)); } /* * SMT timer interface * stop RMT timer 0 */ static void stop_rmt_timer0(smc) struct s_smc *smc ; { if (smc->r.rmt_timer0.tm_active) smt_timer_stop(smc,&smc->r.rmt_timer0) ; } /* * SMT timer interface * stop RMT timer 1 */ static void stop_rmt_timer1(smc) struct s_smc *smc ; { if (smc->r.rmt_timer1.tm_active) smt_timer_stop(smc,&smc->r.rmt_timer1) ; } /* * SMT timer interface * stop RMT timer 2 */ static void stop_rmt_timer2(smc) struct s_smc *smc ; { if (smc->r.rmt_timer2.tm_active) smt_timer_stop(smc,&smc->r.rmt_timer2) ; } |