Merge tag 'v3.15-rc1' into patchwork

Linux 3.15-rc1

* tag 'v3.15-rc1': (12180 commits)
  Linux 3.15-rc1
  mm: Initialize error in shmem_file_aio_read()
  cifs: Use min_t() when comparing "size_t" and "unsigned long"
  sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
  powerpc: Don't try to set LPCR unless we're in hypervisor mode
  futex: update documentation for ordering guarantees
  ceph: fix pr_fmt() redefinition
  vti: don't allow to add the same tunnel twice
  gre: don't allow to add the same tunnel twice
  drivers: net: xen-netfront: fix array initialization bug
  missing bits of "splice: fix racy pipe->buffers uses"
  cifs: fix the race in cifs_writev()
  ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
  pktgen: be friendly to LLTX devices
  r8152: check RTL8152_UNPLUG
  net: sun4i-emac: add promiscuous support
  net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
  blackfin: cleanup board files
  bf609: clock: drop unused clock bit set/clear functions
  Blackfin: bf537: rename "CONFIG_ADT75"
  ...

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;
+}