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Merge pull request #928 from authmillenon/ndp-nce-remove

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Make neighbor cache remove function public
This commit is contained in:
Martine Lenders 2014-04-01 16:39:06 +02:00
commit 951cc0cdc2
2 changed files with 18 additions and 4 deletions
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11
sys/net/include/sixlowpan/ndp.h
View File

@ -145,6 +145,17 @@ uint8_t ndp_neighbor_cache_add(int if_id, const ipv6_addr_t *ipaddr,
const void *lladdr, uint8_t lladdr_len,
uint8_t isrouter, ndp_nce_state_t state,
ndp_nce_type_t type, uint16_t ltime);
/**
* @brief Removes an address from the neighbor cache by IPv6 address.
*
* @param[in] ipaddr IPv6 address to remove, leave NULL if you only want
* to remove by Link-layer address.
*
* @return 1 on success, 0 otherwise.
*/
uint8_t ndp_neighbor_cache_remove(const ipv6_addr_t *ipaddr);
ndp_neighbor_cache_t *ndp_neighbor_cache_search(ipv6_addr_t *ipaddr);
ndp_neighbor_cache_t *ndp_get_ll_address(ipv6_addr_t *ipaddr);
int ndp_addr_is_on_link(ipv6_addr_t *dest_addr);

11
sys/net/network_layer/sixlowpan/icmp.c
View File

@ -145,7 +145,6 @@ uint8_t recvd_pref_len = 0;
void def_rtr_lst_add(ipv6_addr_t *ipaddr, uint32_t rtr_ltime);
void def_rtr_lst_rem(ndp_default_router_list_t *entry);
void nbr_cache_rem(ipv6_addr_t *addr);
/**
* @brief Set Source link-layer address option according to interface
@ -1127,7 +1126,7 @@ void recv_nbr_sol(void)
/* update neighbor cache entry */
if (opt_aro_buf->reg_ltime == 0) {
/* delete neighbor cache entry */
nbr_cache_rem(&nbr_entry->addr);
ndp_neighbor_cache_remove(&nbr_entry->addr);
}
else {
set_remaining_time(&(nbr_entry->ltime), (uint32_t)opt_aro_buf->reg_ltime);
@ -1587,18 +1586,22 @@ void nbr_cache_auto_rem(void)
}
}
void nbr_cache_rem(ipv6_addr_t *addr)
uint8_t ndp_neighbor_cache_remove(const ipv6_addr_t *ipaddr)
{
int i;
uint8_t removed = 0;
for (i = 0; i < NBR_CACHE_SIZE; i++) {
if (memcmp(&(nbr_cache[i].addr.uint8[0]), &(addr->uint8[0]), 16) == 0) {
if (memcmp(&(nbr_cache[i].addr.uint8[0]), &(ipaddr->uint8[0]), 16) == 0) {
memmove(&(nbr_cache[i]), &(nbr_cache[nbr_count]),
sizeof(ndp_neighbor_cache_t));
memset(&(nbr_cache[nbr_count]), 0, sizeof(ndp_neighbor_cache_t));
nbr_count--;
removed = 1;
}
}
return removed;
}
//------------------------------------------------------------------------------