--- /dev/null
+/******************************************************************************
+ *
+ * (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 independent state machine implemantation
+ * The following external SMT functions are referenced :
+ *
+ * queue_event()
+ * smt_timer_start()
+ * smt_timer_stop()
+ *
+ * The following external HW dependent functions are referenced :
+ * sm_ma_control()
+ * sm_mac_check_beacon_claim()
+ *
+ * The following HW dependent 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(struct s_smc *smc, int cmd);
+static void start_rmt_timer0(struct s_smc *smc, u_long value, int event);
+static void start_rmt_timer1(struct s_smc *smc, u_long value, int event);
+static void start_rmt_timer2(struct s_smc *smc, u_long value, int event);
+static void stop_rmt_timer0(struct s_smc *smc);
+static void stop_rmt_timer1(struct s_smc *smc);
+static void stop_rmt_timer2(struct s_smc *smc);
+static void rmt_dup_actions(struct s_smc *smc);
+static void rmt_reinsert_actions(struct s_smc *smc);
+static void rmt_leave_actions(struct s_smc *smc);
+static void rmt_new_dup_actions(struct s_smc *smc);
+
+#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(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(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(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(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(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(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(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(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(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(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(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(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(struct s_smc *smc)
+{
+ if (smc->r.rmt_timer2.tm_active)
+ smt_timer_stop(smc,&smc->r.rmt_timer2) ;
+}
+
Code Review / kvmfornfv.git / blobdiff