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Allow to completely desactivate DAD (useless in route-over LLN as implemented, see http://tools.ietf.org/html/draft-ietf-6lowpan-nd-15#section-8.2)

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This commit is contained in:
Vincent Brillault 2011-07-11 13:24:17 +02:00
parent b0907f0344
commit 6ddd0bb190
4 changed files with 32 additions and 2 deletions
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13
core/net/uip-ds6.c
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@ -148,16 +148,19 @@ uip_ds6_init(void)
void
uip_ds6_periodic(void)
{
/* Periodic processing on unicast addresses */
for(locaddr = uip_ds6_if.addr_list;
locaddr < uip_ds6_if.addr_list + UIP_DS6_ADDR_NB; locaddr++) {
if(locaddr->isused) {
if((!locaddr->isinfinite) && (stimer_expired(&locaddr->vlifetime))) {
uip_ds6_addr_rm(locaddr);
#if UIP_ND6_DEF_MAXDADNS > 0
} else if((locaddr->state == ADDR_TENTATIVE)
&& (locaddr->dadnscount <= uip_ds6_if.maxdadns)
&& (timer_expired(&locaddr->dadtimer))) {
uip_ds6_dad(locaddr);
#endif /* UIP_ND6_DEF_MAXDADNS > 0 */
}
}
}
@ -549,7 +552,6 @@ uip_ds6_addr_add(uip_ipaddr_t *ipaddr, unsigned long vlifetime, uint8_t type)
(uip_ds6_element_t **)&locaddr) == FREESPACE) {
locaddr->isused = 1;
uip_ipaddr_copy(&locaddr->ipaddr, ipaddr);
locaddr->state = ADDR_TENTATIVE;
locaddr->type = type;
if(vlifetime == 0) {
locaddr->isinfinite = 1;
@ -557,10 +559,15 @@ uip_ds6_addr_add(uip_ipaddr_t *ipaddr, unsigned long vlifetime, uint8_t type)
locaddr->isinfinite = 0;
stimer_set(&(locaddr->vlifetime), vlifetime);
}
#if UIP_ND6_DEF_MAXDADNS > 0
locaddr->state = ADDR_TENTATIVE;
timer_set(&locaddr->dadtimer,
random_rand() % (UIP_ND6_MAX_RTR_SOLICITATION_DELAY *
CLOCK_SECOND));
locaddr->dadnscount = 0;
#else /* UIP_ND6_DEF_MAXDADNS > 0 */
locaddr->state = ADDR_PREFERRED;
#endif /* UIP_ND6_DEF_MAXDADNS > 0 */
uip_create_solicited_node(ipaddr, &loc_fipaddr);
uip_ds6_maddr_add(&loc_fipaddr);
return locaddr;
@ -884,6 +891,7 @@ get_match_length(uip_ipaddr_t *src, uip_ipaddr_t *dst)
}
/*---------------------------------------------------------------------------*/
#if UIP_ND6_DEF_MAXDADNS > 0
void
uip_ds6_dad(uip_ds6_addr_t *addr)
{
@ -922,10 +930,11 @@ uip_ds6_dad_failed(uip_ds6_addr_t * addr)
uip_ds6_addr_rm(addr);
return 1;
}
#endif /*UIP_ND6_DEF_MAXDADNS > 0 */
/*---------------------------------------------------------------------------*/
#if UIP_CONF_ROUTER
#if UIP_ND6_SEND_RA
/*---------------------------------------------------------------------------*/
void
uip_ds6_send_ra_sollicited(void)
{