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rpl: make send_DAO aware of multiple dodags

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This commit is contained in:
Cenk Gündoğan 2015-03-16 10:52:32 +01:00
parent 99e810e9b5
commit 442e7b10b9
4 changed files with 13 additions and 16 deletions
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10
sys/net/include/rpl.h
View File

@ -103,15 +103,16 @@ void rpl_send_DIO(ipv6_addr_t *destination);
/**
* @brief Sends a DAO-message to a given destination
*
* This function sends a DAO message to a given destination.
* This function sends a DAO message to a given destination in a given dodag.
*
* @param[in] dodag Dodag of the DAO-message.
* @param[in] destination IPv6-address of the destination of the DAO. Should be the preferred parent.
* @param[in] lifetime Lifetime of the node. Reflect the estimated time of presence in the network.
* @param[in] default_lifetime If true, param lifetime is ignored and lifetime is dodag default-lifetime
* @param[in] start_index Describes whether a DAO must be split because of too many routing entries.
*
*/
void rpl_send_DAO(ipv6_addr_t *destination, uint8_t lifetime, bool default_lifetime, uint8_t start_index);
void rpl_send_DAO(rpl_dodag_t *dodag, ipv6_addr_t *destination, uint8_t lifetime, bool default_lifetime, uint8_t start_index);
/**
* @brief Sends a DIS-message to a given destination
@ -127,12 +128,13 @@ void rpl_send_DIS(ipv6_addr_t *destination);
/**
* @brief Sends a DAO acknowledgment-message to a given destination
*
* This function sends a DAO_ACK message to a given destination.
* This function sends a DAO_ACK message to a given destination in a given dodag.
*
* @param[in] dodag Dodag of the DAO_ACK message.
* @param[in] destination IPv6-address of the destination of the DAO_ACK. Should be a direct neighbor.
*
*/
void rpl_send_DAO_ACK(ipv6_addr_t *destination);
void rpl_send_DAO_ACK(rpl_dodag_t *dodag, ipv6_addr_t *destination);
#endif
/**

2
sys/net/routing/rpl/rpl.c
View File

@ -344,7 +344,7 @@ void _dao_handle_send(rpl_dodag_t *dodag)
{
if ((dodag->ack_received == false) && (dodag->dao_counter < DAO_SEND_RETRIES)) {
dodag->dao_counter++;
rpl_send_DAO(NULL, 0, true, 0);
rpl_send_DAO(dodag, NULL, 0, true, 0);
dodag->dao_time = timex_set(DEFAULT_WAIT_FOR_DAO_ACK, 0);
vtimer_remove(&dodag->dao_timer);
vtimer_set_msg(&dodag->dao_timer, dodag->dao_time,

15
sys/net/routing/rpl/rpl_control_messages.c
View File

@ -330,7 +330,7 @@ void rpl_send_DIO(ipv6_addr_t *destination)
rpl_send(destination, (uint8_t *)icmp_send_buf, plen, IPV6_PROTO_NUM_ICMPV6);
}
void rpl_send_DAO(ipv6_addr_t *destination, uint8_t lifetime, bool default_lifetime,
void rpl_send_DAO(rpl_dodag_t *my_dodag, ipv6_addr_t *destination, uint8_t lifetime, bool default_lifetime,
uint8_t start_index)
{
#if RPL_DEFAULT_MOP == RPL_MOP_NON_STORING_MODE
@ -349,9 +349,7 @@ void rpl_send_DAO(ipv6_addr_t *destination, uint8_t lifetime, bool default_lifet
return;
}
rpl_dodag_t *my_dodag;
if ((my_dodag = rpl_get_my_dodag()) == NULL) {
if (my_dodag == NULL) {
DEBUGF("send_DAO: I have no my_dodag\n");
return;
}
@ -451,7 +449,7 @@ void rpl_send_DAO(ipv6_addr_t *destination, uint8_t lifetime, bool default_lifet
#if RPL_DEFAULT_MOP != RPL_MOP_NON_STORING_MODE
if (continue_index > 1) {
rpl_send_DAO(destination, lifetime, default_lifetime, continue_index);
rpl_send_DAO(my_dodag, destination, lifetime, default_lifetime, continue_index);
}
#endif
@ -479,7 +477,7 @@ void rpl_send_DIS(ipv6_addr_t *destination)
}
#if RPL_DEFAULT_MOP != RPL_MOP_NON_STORING_MODE
void rpl_send_DAO_ACK(ipv6_addr_t *destination)
void rpl_send_DAO_ACK(rpl_dodag_t *my_dodag, ipv6_addr_t *destination)
{
#if ENABLE_DEBUG
@ -490,9 +488,6 @@ void rpl_send_DAO_ACK(ipv6_addr_t *destination)
#endif
rpl_dodag_t *my_dodag;
my_dodag = rpl_get_my_dodag();
if (my_dodag == NULL) {
return;
}
@ -864,7 +859,7 @@ void rpl_recv_DAO(void)
}
#if RPL_DEFAULT_MOP != RPL_MOP_NON_STORING_MODE
rpl_send_DAO_ACK(&ipv6_buf->srcaddr);
rpl_send_DAO_ACK(my_dodag, &ipv6_buf->srcaddr);
#endif
if (increment_seq) {

2
sys/net/routing/rpl/rpl_dodag.c
View File

@ -288,7 +288,7 @@ rpl_parent_t *rpl_find_preferred_parent(void)
if (!rpl_equal_id(&my_dodag->my_preferred_parent->addr, &best->addr)) {
if (my_dodag->mop != RPL_MOP_NO_DOWNWARD_ROUTES) {
/* send DAO with ZERO_LIFETIME to old parent */
rpl_send_DAO(&my_dodag->my_preferred_parent->addr, 0, false, 0);
rpl_send_DAO(my_dodag, &my_dodag->my_preferred_parent->addr, 0, false, 0);
}
my_dodag->my_preferred_parent = best;