void wlan_node_reclaim(struct ath6kl_node_table *nt, struct bss *ni)
{
int hash;
spin_lock_bh(&nt->nt_nodelock);
if (ni->ni_list_prev == NULL)
/* fix list head */
nt->nt_node_first = ni->ni_list_next;
else
ni->ni_list_prev->ni_list_next = ni->ni_list_next;
if (ni->ni_list_next == NULL)
/* fix list tail */
nt->nt_node_last = ni->ni_list_prev;
else
ni->ni_list_next->ni_list_prev = ni->ni_list_prev;
if (ni->ni_hash_prev == NULL) {
/* first in list so fix the list head */
hash = ATH6KL_NODE_HASH(ni->ni_macaddr);
nt->nt_hash[hash] = ni->ni_hash_next;
} else {
ni->ni_hash_prev->ni_hash_next = ni->ni_hash_next;
}
if (ni->ni_hash_next != NULL)
ni->ni_hash_next->ni_hash_prev = ni->ni_hash_prev;
wlan_node_free(ni);
spin_unlock_bh(&nt->nt_nodelock);
}
static void
wlan_node_dec_free(bss_t *ni)
{
if (ieee80211_node_dectestref(ni)) {
wlan_node_free(ni);
}
}
static void
wlan_node_dec_free(bss_t *ni)
{
ieee80211_node_decref(ni);
if (ieee80211_node_refcnt(ni) == 0) {
wlan_node_free(ni);
}
}
void
wlan_node_ret_n_remove(struct ieee80211_node_table *nt, bss_t *ni)
{
IEEE80211_NODE_LOCK(nt);
ieee80211_node_decref(ni);
if (ieee80211_node_refcnt(ni) == 0) {
wlan_node_free(ni);
} else {
wlan_node_reclaim(nt, ni);
}
IEEE80211_NODE_UNLOCK(nt);
}
/*
* Reclaim a node. If this is the last reference count then
* do the normal free work. Otherwise remove it from the node
* table and mark it gone by clearing the back-reference.
*/
void
wlan_node_reclaim(struct ieee80211_node_table *nt, bss_t *ni)
{
IEEE80211_NODE_LOCK(nt);
if (ieee80211_node_dectestref(ni))
{
if(ni->ni_list_prev == NULL)
{
/* First in list so fix the list head */
nt->nt_node_first = ni->ni_list_next;
}
else
{
ni->ni_list_prev->ni_list_next = ni->ni_list_next;
}
if(ni->ni_list_next == NULL)
{
/* Last in list so fix list tail */
nt->nt_node_last = ni->ni_list_prev;
}
else
{
ni->ni_list_next->ni_list_prev = ni->ni_list_prev;
}
if(ni->ni_hash_prev == NULL)
{
/* First in list so fix the list head */
int hash;
hash = IEEE80211_NODE_HASH(ni->ni_macaddr);
nt->nt_hash[hash] = ni->ni_hash_next;
}
else
{
ni->ni_hash_prev->ni_hash_next = ni->ni_hash_next;
}
if(ni->ni_hash_next != NULL)
{
ni->ni_hash_next->ni_hash_prev = ni->ni_hash_prev;
}
wlan_node_free(ni);
}
IEEE80211_NODE_UNLOCK(nt);
}
static void wlan_node_dec_free(struct bss *ni)
{
if ((ni->ni_refcnt--) == 1)
wlan_node_free(ni);
}
