|
@@ -21,126 +21,8 @@
|
|
#include "main.h"
|
|
#include "main.h"
|
|
#include "11n.h"
|
|
#include "11n.h"
|
|
|
|
|
|
-/*
|
|
|
|
- * This function will return the pointer to station entry in station list
|
|
|
|
- * table which matches specified mac address.
|
|
|
|
- * This function should be called after acquiring RA list spinlock.
|
|
|
|
- * NULL is returned if station entry is not found in associated STA list.
|
|
|
|
- */
|
|
|
|
-struct mwifiex_sta_node *
|
|
|
|
-mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac)
|
|
|
|
-{
|
|
|
|
- struct mwifiex_sta_node *node;
|
|
|
|
-
|
|
|
|
- if (!mac)
|
|
|
|
- return NULL;
|
|
|
|
-
|
|
|
|
- list_for_each_entry(node, &priv->sta_list, list) {
|
|
|
|
- if (!memcmp(node->mac_addr, mac, ETH_ALEN))
|
|
|
|
- return node;
|
|
|
|
- }
|
|
|
|
|
|
|
|
- return NULL;
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-/*
|
|
|
|
- * This function will add a sta_node entry to associated station list
|
|
|
|
- * table with the given mac address.
|
|
|
|
- * If entry exist already, existing entry is returned.
|
|
|
|
- * If received mac address is NULL, NULL is returned.
|
|
|
|
- */
|
|
|
|
-static struct mwifiex_sta_node *
|
|
|
|
-mwifiex_add_sta_entry(struct mwifiex_private *priv, u8 *mac)
|
|
|
|
-{
|
|
|
|
- struct mwifiex_sta_node *node;
|
|
|
|
- unsigned long flags;
|
|
|
|
|
|
|
|
- if (!mac)
|
|
|
|
- return NULL;
|
|
|
|
-
|
|
|
|
- spin_lock_irqsave(&priv->sta_list_spinlock, flags);
|
|
|
|
- node = mwifiex_get_sta_entry(priv, mac);
|
|
|
|
- if (node)
|
|
|
|
- goto done;
|
|
|
|
-
|
|
|
|
- node = kzalloc(sizeof(struct mwifiex_sta_node), GFP_ATOMIC);
|
|
|
|
- if (!node)
|
|
|
|
- goto done;
|
|
|
|
-
|
|
|
|
- memcpy(node->mac_addr, mac, ETH_ALEN);
|
|
|
|
- list_add_tail(&node->list, &priv->sta_list);
|
|
|
|
-
|
|
|
|
-done:
|
|
|
|
- spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
|
|
|
|
- return node;
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-/*
|
|
|
|
- * This function will search for HT IE in association request IEs
|
|
|
|
- * and set station HT parameters accordingly.
|
|
|
|
- */
|
|
|
|
-static void
|
|
|
|
-mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies,
|
|
|
|
- int ies_len, struct mwifiex_sta_node *node)
|
|
|
|
-{
|
|
|
|
- const struct ieee80211_ht_cap *ht_cap;
|
|
|
|
-
|
|
|
|
- if (!ies)
|
|
|
|
- return;
|
|
|
|
-
|
|
|
|
- ht_cap = (void *)cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
|
|
|
|
- if (ht_cap) {
|
|
|
|
- node->is_11n_enabled = 1;
|
|
|
|
- node->max_amsdu = le16_to_cpu(ht_cap->cap_info) &
|
|
|
|
- IEEE80211_HT_CAP_MAX_AMSDU ?
|
|
|
|
- MWIFIEX_TX_DATA_BUF_SIZE_8K :
|
|
|
|
- MWIFIEX_TX_DATA_BUF_SIZE_4K;
|
|
|
|
- } else {
|
|
|
|
- node->is_11n_enabled = 0;
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- return;
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-/*
|
|
|
|
- * This function will delete a station entry from station list
|
|
|
|
- */
|
|
|
|
-static void mwifiex_del_sta_entry(struct mwifiex_private *priv, u8 *mac)
|
|
|
|
-{
|
|
|
|
- struct mwifiex_sta_node *node;
|
|
|
|
- unsigned long flags;
|
|
|
|
-
|
|
|
|
- spin_lock_irqsave(&priv->sta_list_spinlock, flags);
|
|
|
|
-
|
|
|
|
- node = mwifiex_get_sta_entry(priv, mac);
|
|
|
|
- if (node) {
|
|
|
|
- list_del(&node->list);
|
|
|
|
- kfree(node);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
|
|
|
|
- return;
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-/*
|
|
|
|
- * This function will delete all stations from associated station list.
|
|
|
|
- */
|
|
|
|
-static void mwifiex_del_all_sta_list(struct mwifiex_private *priv)
|
|
|
|
-{
|
|
|
|
- struct mwifiex_sta_node *node, *tmp;
|
|
|
|
- unsigned long flags;
|
|
|
|
-
|
|
|
|
- spin_lock_irqsave(&priv->sta_list_spinlock, flags);
|
|
|
|
-
|
|
|
|
- list_for_each_entry_safe(node, tmp, &priv->sta_list, list) {
|
|
|
|
- list_del(&node->list);
|
|
|
|
- kfree(node);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- INIT_LIST_HEAD(&priv->sta_list);
|
|
|
|
- spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
|
|
|
|
- return;
|
|
|
|
-}
|
|
|
|
|
|
|
|
/*
|
|
/*
|
|
* This function handles AP interface specific events generated by firmware.
|
|
* This function handles AP interface specific events generated by firmware.
|