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nd6: add cleanup function

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This commit is contained in:
Jan Breuer
2016-05-06 16:15:20 +02:00
committed by goldsimon
parent ac0af0d7c7
commit ac21a5f370
3 changed files with 34 additions and 0 deletions
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25
src/core/ipv6/nd6.c
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@@ -1843,4 +1843,29 @@ nd6_reachability_hint(const ip6_addr_t * ip6addr)
}
#endif /* LWIP_ND6_TCP_REACHABILITY_HINTS */
void
nd6_cleanup_netif(struct netif * netif)
{
u8_t i;
s8_t router_index;
for (i = 0; i < LWIP_ND6_NUM_PREFIXES; i++) {
if(prefix_list[i].netif == netif) {
prefix_list[i].netif = NULL;
prefix_list[i].flags = 0;
}
}
for (i = 0; i < LWIP_ND6_NUM_NEIGHBORS; i++) {
if(neighbor_cache[i].netif == netif) {
for (router_index = 0; router_index < LWIP_ND6_NUM_ROUTERS; router_index++) {
if (default_router_list[router_index].neighbor_entry == &neighbor_cache[i]) {
default_router_list[router_index].neighbor_entry = NULL;
default_router_list[router_index].flags = 0;
}
}
neighbor_cache[i].isrouter = 0;
nd6_free_neighbor_cache_entry(i);
}
}
}
#endif /* LWIP_IPV6 */