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TSCH: reduce keep-alive traffic as we get more accurate drift estimates

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This commit is contained in:
Simon Duquennoy 2016-06-23 18:43:12 +02:00 • committed by Simon Duquennoy
parent ab706a6f33
commit 15dc86aeb1
3 changed files with 31 additions and 7 deletions
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12
core/net/mac/tsch/tsch.h
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@ -49,11 +49,19 @@
#define TSCH_KEEPALIVE_TIMEOUT (12 * CLOCK_SECOND)
#endif
/* With TSCH_ADAPTIVE_TIMESYNC enabled: keep-alive timeout used after reaching
* accurate drift compensation. */
#ifdef TSCH_CONF_MAX_KEEPALIVE_TIMEOUT
#define TSCH_MAX_KEEPALIVE_TIMEOUT TSCH_CONF_MAX_KEEPALIVE_TIMEOUT
#else
#define TSCH_MAX_KEEPALIVE_TIMEOUT (60 * CLOCK_SECOND)
#endif
/* Max time without synchronization before leaving the PAN */
#ifdef TSCH_CONF_DESYNC_THRESHOLD
#define TSCH_DESYNC_THRESHOLD TSCH_CONF_DESYNC_THRESHOLD
#else
#define TSCH_DESYNC_THRESHOLD (4 * TSCH_KEEPALIVE_TIMEOUT)
#define TSCH_DESYNC_THRESHOLD (2 * TSCH_MAX_KEEPALIVE_TIMEOUT)
#endif
/* Period between two consecutive EBs */
@ -166,6 +174,8 @@ extern const struct mac_driver tschmac_driver;
void tsch_set_join_priority(uint8_t jp);
/* The period at which EBs are sent */
void tsch_set_eb_period(uint32_t period);
/* The keep-alive timeout */
void tsch_set_ka_timeout(uint32_t timeout);
/* Set the node as PAN coordinator */
void tsch_set_coordinator(int enable);
/* Set the pan as secured or not */