diff options
Diffstat (limited to 'net/batman-adv/originator.c')
-rw-r--r-- | net/batman-adv/originator.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 6df12a2e3605..ffd9dfbd9b0e 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -27,6 +27,7 @@ #include "bridge_loop_avoidance.h" #include "network-coding.h" #include "fragmentation.h" +#include "multicast.h" /* hash class keys */ static struct lock_class_key batadv_orig_hash_lock_class_key; @@ -446,7 +447,7 @@ batadv_neigh_node_new(struct batadv_hard_iface *hard_iface, INIT_HLIST_HEAD(&neigh_node->ifinfo_list); spin_lock_init(&neigh_node->ifinfo_lock); - memcpy(neigh_node->addr, neigh_addr, ETH_ALEN); + ether_addr_copy(neigh_node->addr, neigh_addr); neigh_node->if_incoming = hard_iface; neigh_node->orig_node = orig_node; @@ -458,6 +459,42 @@ out: } /** + * batadv_neigh_node_get - retrieve a neighbour from the list + * @orig_node: originator which the neighbour belongs to + * @hard_iface: the interface where this neighbour is connected to + * @addr: the address of the neighbour + * + * Looks for and possibly returns a neighbour belonging to this originator list + * which is connected through the provided hard interface. + * Returns NULL if the neighbour is not found. + */ +struct batadv_neigh_node * +batadv_neigh_node_get(const struct batadv_orig_node *orig_node, + const struct batadv_hard_iface *hard_iface, + const uint8_t *addr) +{ + struct batadv_neigh_node *tmp_neigh_node, *res = NULL; + + rcu_read_lock(); + hlist_for_each_entry_rcu(tmp_neigh_node, &orig_node->neigh_list, list) { + if (!batadv_compare_eth(tmp_neigh_node->addr, addr)) + continue; + + if (tmp_neigh_node->if_incoming != hard_iface) + continue; + + if (!atomic_inc_not_zero(&tmp_neigh_node->refcount)) + continue; + + res = tmp_neigh_node; + break; + } + rcu_read_unlock(); + + return res; +} + +/** * batadv_orig_ifinfo_free_rcu - free the orig_ifinfo object * @rcu: rcu pointer of the orig_ifinfo object */ @@ -521,6 +558,8 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu) } spin_unlock_bh(&orig_node->neigh_list_lock); + batadv_mcast_purge_orig(orig_node); + /* Free nc_nodes */ batadv_nc_purge_orig(orig_node->bat_priv, orig_node, NULL); @@ -628,15 +667,17 @@ struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv, /* extra reference for return */ atomic_set(&orig_node->refcount, 2); - orig_node->tt_initialised = false; orig_node->bat_priv = bat_priv; - memcpy(orig_node->orig, addr, ETH_ALEN); + ether_addr_copy(orig_node->orig, addr); batadv_dat_init_orig_node_addr(orig_node); atomic_set(&orig_node->last_ttvn, 0); orig_node->tt_buff = NULL; orig_node->tt_buff_len = 0; reset_time = jiffies - 1 - msecs_to_jiffies(BATADV_RESET_PROTECTION_MS); orig_node->bcast_seqno_reset = reset_time; +#ifdef CONFIG_BATMAN_ADV_MCAST + orig_node->mcast_flags = BATADV_NO_FLAGS; +#endif /* create a vlan object for the "untagged" LAN */ vlan = batadv_orig_node_vlan_new(orig_node, BATADV_NO_FLAGS); |