void
wlan_setup_node(struct ieee80211_node_table *nt, bss_t *ni,
const A_UINT8 *macaddr)
{
int hash;
A_UINT32 timeoutValue = 0;
A_MEMCPY(ni->ni_macaddr, macaddr, IEEE80211_ADDR_LEN);
hash = IEEE80211_NODE_HASH (macaddr);
ieee80211_node_initref (ni); /* mark referenced */
timeoutValue = nt->nt_nodeAge;
//ni->ni_tstamp = A_GET_MS (0); //-builder:nodeage
ni->ni_tstamp = A_GET_MS(timeoutValue); //+builder:nodeage
ni->ni_actcnt = WLAN_NODE_INACT_CNT;
IEEE80211_NODE_LOCK_BH(nt);
/* Insert at the end of the node list */
ni->ni_list_next = NULL;
ni->ni_list_prev = nt->nt_node_last;
if(nt->nt_node_last != NULL)
{
nt->nt_node_last->ni_list_next = ni;
}
nt->nt_node_last = ni;
if(nt->nt_node_first == NULL)
{
nt->nt_node_first = ni;
}
/* Insert into the hash list i.e. the bucket */
if((ni->ni_hash_next = nt->nt_hash[hash]) != NULL)
{
nt->nt_hash[hash]->ni_hash_prev = ni;
}
ni->ni_hash_prev = NULL;
nt->nt_hash[hash] = ni;
if (!nt->isTimerArmed) {
A_TIMEOUT_MS(&nt->nt_inact_timer, timeoutValue, 0);
nt->isTimerArmed = TRUE;
}
IEEE80211_NODE_UNLOCK_BH(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 bss_t *
_ieee80211_find_node(struct ieee80211_node_table *nt,
const A_UINT8 *macaddr)
{
bss_t *ni = NULL;
int hash = 0;
IEEE80211_NODE_LOCK_ASSERT(nt);
hash = IEEE80211_NODE_HASH(macaddr);
if (hash >= IEEE80211_NODE_HASHSIZE)
{
// overflow????
return NULL;
}
if (hash < 0)
{
// underflow????
return NULL;
}
if (NULL == nt)
{
return NULL;
}
if (NULL == nt->nt_hash)
{
return NULL;
}
if (NULL == nt->nt_hash[hash])
{
return NULL;
}
for(ni = nt->nt_hash[hash]; ni; ni = ni->ni_hash_next) {
if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) {
ieee80211_node_incref(ni); /* mark referenced */
return ni;
}
}
return NULL;
}
static bss_t *
_ieee80211_find_node(struct ieee80211_node_table *nt,
const A_UINT8 *macaddr)
{
bss_t *ni;
int hash;
IEEE80211_NODE_LOCK_ASSERT(nt);
hash = IEEE80211_NODE_HASH(macaddr);
for(ni = nt->nt_hash[hash]; ni; ni = ni->ni_hash_next) {
if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) {
ieee80211_node_incref(ni); /* mark referenced */
return ni;
}
}
return NULL;
}
void
wlan_node_remove_core (struct ieee80211_node_table *nt, bss_t *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;
}
}
void
wlan_setup_node(struct ieee80211_node_table *nt, bss_t *ni,
const A_UINT8 *macaddr)
{
int hash;
A_MEMCPY(ni->ni_macaddr, macaddr, IEEE80211_ADDR_LEN);
hash = IEEE80211_NODE_HASH (macaddr);
ieee80211_node_initref (ni); /* mark referenced */
wlan_node_update_timestamp(nt, ni);
IEEE80211_NODE_LOCK_BH(nt);
/* Insert at the end of the node list */
ni->ni_list_next = NULL;
ni->ni_list_prev = nt->nt_node_last;
if(nt->nt_node_last != NULL)
{
nt->nt_node_last->ni_list_next = ni;
}
nt->nt_node_last = ni;
if(nt->nt_node_first == NULL)
{
nt->nt_node_first = ni;
}
/* Insert into the hash list i.e. the bucket */
if((ni->ni_hash_next = nt->nt_hash[hash]) != NULL)
{
nt->nt_hash[hash]->ni_hash_prev = ni;
}
ni->ni_hash_prev = NULL;
nt->nt_hash[hash] = ni;
IEEE80211_NODE_UNLOCK_BH(nt);
}
void
wlan_setup_node(struct ieee80211_node_table *nt, bss_t *ni,
const A_UINT8 *macaddr)
{
A_INT32 hash;
A_MEMCPY(ni->ni_macaddr, macaddr, IEEE80211_ADDR_LEN);
hash = IEEE80211_NODE_HASH(macaddr);
ieee80211_node_initref(ni); /* mark referenced */
ni->ni_tstamp = A_MS_TICKGET() + WLAN_NODE_INACT_TIMEOUT_MSEC;
IEEE80211_NODE_LOCK(nt);
/* Insert at the end of the node list */
ni->ni_list_next = NULL;
ni->ni_list_prev = nt->nt_node_last;
if(nt->nt_node_last != NULL)
{
nt->nt_node_last->ni_list_next = ni;
}
nt->nt_node_last = ni;
if(nt->nt_node_first == NULL)
{
nt->nt_node_first = ni;
}
/* Insert into the hash list i.e. the bucket */
if((ni->ni_hash_next = nt->nt_hash[hash]) != NULL)
{
nt->nt_hash[hash]->ni_hash_prev = ni;
}
ni->ni_hash_prev = NULL;
nt->nt_hash[hash] = ni;
IEEE80211_NODE_UNLOCK(nt);
}
