summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mwifiex/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/mwifiex/util.c')
-rw-r--r--drivers/net/wireless/mwifiex/util.c118
1 files changed, 116 insertions, 2 deletions
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c
index 9b82e225880c..c3824e37f3f2 100644
--- a/drivers/net/wireless/mwifiex/util.c
+++ b/drivers/net/wireless/mwifiex/util.c
@@ -72,7 +72,7 @@ int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
return -1;
}
- return mwifiex_send_cmd_sync(priv, cmd, HostCmd_ACT_GEN_SET, 0, NULL);
+ return mwifiex_send_cmd(priv, cmd, HostCmd_ACT_GEN_SET, 0, NULL, true);
}
EXPORT_SYMBOL_GPL(mwifiex_init_shutdown_fw);
@@ -104,6 +104,7 @@ int mwifiex_get_debug_info(struct mwifiex_private *priv,
info->pm_wakeup_fw_try = adapter->pm_wakeup_fw_try;
info->is_hs_configured = adapter->is_hs_configured;
info->hs_activated = adapter->hs_activated;
+ info->is_cmd_timedout = adapter->is_cmd_timedout;
info->num_cmd_host_to_card_failure
= adapter->dbg.num_cmd_host_to_card_failure;
info->num_cmd_sleep_cfm_host_to_card_failure
@@ -119,7 +120,6 @@ int mwifiex_get_debug_info(struct mwifiex_private *priv,
info->num_cmd_assoc_failure =
adapter->dbg.num_cmd_assoc_failure;
info->num_tx_timeout = adapter->dbg.num_tx_timeout;
- info->num_cmd_timeout = adapter->dbg.num_cmd_timeout;
info->timeout_cmd_id = adapter->dbg.timeout_cmd_id;
info->timeout_cmd_act = adapter->dbg.timeout_cmd_act;
memcpy(info->last_cmd_id, adapter->dbg.last_cmd_id,
@@ -252,3 +252,117 @@ int mwifiex_complete_cmd(struct mwifiex_adapter *adapter,
return 0;
}
+
+/* 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.
+ */
+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(*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.
+ */
+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 */
+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. */
+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;
+}