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fixed clearing of state flag and avoid starting retransmission timer

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This commit is contained in:
Joakim Eriksson 2015-10-02 07:38:52 +02:00
parent 8afe3fb9b7
commit 09c624dcd3
4 changed files with 26 additions and 19 deletions
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29
core/net/rpl/rpl-icmp6.c
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@ -53,6 +53,7 @@
#include "net/rpl/rpl-private.h"
#include "net/packetbuf.h"
#include "net/ipv6/multicast/uip-mcast6.h"
#include "random.h"
#include <limits.h>
#include <string.h>
@ -811,11 +812,12 @@ dao_input(void)
uip_icmp6_send(rpl_get_parent_ipaddr(dag->preferred_parent),
ICMP6_RPL, RPL_CODE_DAO, buffer_length);
}
if(flags & RPL_DAO_K_FLAG) {
/* indicate that we accepted the no-path DAO */
dao_ack_output(instance, &dao_sender_addr, sequence,
RPL_DAO_ACK_UNCONDITIONAL_ACCEPT);
}
}
/* independent if we remove or not - ACK the request */
if(flags & RPL_DAO_K_FLAG) {
/* indicate that we accepted the no-path DAO */
dao_ack_output(instance, &dao_sender_addr, sequence,
RPL_DAO_ACK_UNCONDITIONAL_ACCEPT);
}
goto discard;
}
@ -851,8 +853,9 @@ dao_input(void)
goto discard;
}
/* State is all zeroes, set lifetime but no need for other initialization. */
/* set lifetime and clear NOPATH bit */
rep->state.lifetime = RPL_LIFETIME(instance, lifetime);
RPL_ROUTE_CLEAR_NOPATH_RECEIVED(rep);
#if RPL_CONF_MULTICAST
fwd_dao:
@ -978,15 +981,13 @@ dao_output(rpl_parent_t *parent, uint8_t lifetime)
/* Sending a DAO with own prefix as target */
dao_output_target(parent, &prefix, lifetime);
/* keep track of my own sending of DAO for handling ack and loss of ack */
instance->my_dao_seqno = dao_sequence;
#if RPL_WITH_DAO_ACK
instance->my_dao_transmissions = 1;
ctimer_set(&instance->dao_retransmit_timer, RPL_DAO_RETRANSMISSION_TIMEOUT,
handle_dao_retransmission, parent);
if(lifetime == RPL_ZERO_LIFETIME) {
rpl_set_downward_link(0);
/* keep track of my own sending of DAO for handling ack and loss of ack */
if(lifetime != RPL_ZERO_LIFETIME) {
instance->my_dao_seqno = dao_sequence;
instance->my_dao_transmissions = 1;
ctimer_set(&instance->dao_retransmit_timer, RPL_DAO_RETRANSMISSION_TIMEOUT,
handle_dao_retransmission, parent);
}
#else
/* We know that we have tried to register so now we are assuming