---

yaml
---
r: 277844
b: refs/heads/master
c: 79d3eef
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 868a5f719d730866564d9bd73a8f4a8d89bdc71a
+refs/heads/master: 79d3eef89190ee0a7ee585e3949873241bc382e3

trunk/drivers/net/wireless/iwlwifi/iwl-agn-rx.c

@@ -1032,6 +1032,50 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
 	return 0;
 }
 
+static int iwlagn_rx_noa_notification(struct iwl_priv *priv,
+				      struct iwl_rx_mem_buffer *rxb,
+				      struct iwl_device_cmd *cmd)
+{
+	struct iwl_wipan_noa_data *new_data, *old_data;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
+	struct iwl_wipan_noa_notification *noa_notif = (void *)pkt->u.raw;
+
+	/* no condition -- we're in softirq */
+	old_data = rcu_dereference_protected(priv->noa_data, true);
+
+	if (noa_notif->noa_active) {
+		u32 len = le16_to_cpu(noa_notif->noa_attribute.length);
+		u32 copylen = len;
+
+		/* EID, len, OUI, subtype */
+		len += 1 + 1 + 3 + 1;
+		/* P2P id, P2P length */
+		len += 1 + 2;
+		copylen += 1 + 2;
+
+		new_data = kmalloc(sizeof(*new_data) + len, GFP_ATOMIC);
+		if (new_data) {
+			new_data->length = len;
+			new_data->data[0] = WLAN_EID_VENDOR_SPECIFIC;
+			new_data->data[1] = len - 2; /* not counting EID, len */
+			new_data->data[2] = (WLAN_OUI_WFA >> 16) & 0xff;
+			new_data->data[3] = (WLAN_OUI_WFA >> 8) & 0xff;
+			new_data->data[4] = (WLAN_OUI_WFA >> 0) & 0xff;
+			new_data->data[5] = WLAN_OUI_TYPE_WFA_P2P;
+			memcpy(&new_data->data[6], &noa_notif->noa_attribute,
+			       copylen);
+		}
+	} else
+		new_data = NULL;
+
+	rcu_assign_pointer(priv->noa_data, new_data);
+
+	if (old_data)
+		kfree_rcu(old_data, rcu_head);
+
+	return 0;
+}
+
 /**
  * iwl_setup_rx_handlers - Initialize Rx handler callbacks
  *
@@ -1055,6 +1099,8 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv)
 	handlers[BEACON_NOTIFICATION]		= iwlagn_rx_beacon_notif;
 	handlers[REPLY_ADD_STA]			= iwl_add_sta_callback;
 
+	handlers[REPLY_WIPAN_NOA_NOTIFICATION]	= iwlagn_rx_noa_notification;
+
 	/*
 	 * The same handler is used for both the REPLY to a discrete
 	 * statistics request from the host as well as for the periodic

trunk/drivers/net/wireless/iwlwifi/iwl-agn-tx.c

@@ -283,6 +283,19 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 		IWL_DEBUG_TX(priv, "Sending REASSOC frame\n");
 #endif
 
+	if (unlikely(ieee80211_is_probe_resp(fc))) {
+		struct iwl_wipan_noa_data *noa_data =
+			rcu_dereference(priv->noa_data);
+
+		if (noa_data &&
+		    pskb_expand_head(skb, 0, noa_data->length,
+				     GFP_ATOMIC) == 0) {
+			memcpy(skb_put(skb, noa_data->length),
+			       noa_data->data, noa_data->length);
+			hdr = (struct ieee80211_hdr *)skb->data;
+		}
+	}
+
 	hdr_len = ieee80211_hdrlen(fc);
 
 	/* For management frames use broadcast id to do not break aggregation */

trunk/drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -3069,6 +3069,7 @@ static void iwl_uninit_drv(struct iwl_priv *priv)
 		kmem_cache_destroy(priv->tx_cmd_pool);
 	kfree(priv->scan_cmd);
 	kfree(priv->beacon_cmd);
+	kfree(rcu_dereference_raw(priv->noa_data));
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 	kfree(priv->wowlan_sram);
 #endif

trunk/drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -824,6 +824,12 @@ struct iwl_testmode_trace {
 };
 #endif
 
+struct iwl_wipan_noa_data {
+	struct rcu_head rcu_head;
+	u32 length;
+	u8 data[];
+};
+
 struct iwl_priv {
 
 	/*data shared among all the driver's layers */
@@ -883,6 +889,8 @@ struct iwl_priv {
 	/* init calibration results */
 	struct iwl_calib_result calib_results[IWL_CALIB_MAX];
 
+	struct iwl_wipan_noa_data __rcu *noa_data;
+
 	/* Scan related variables */
 	unsigned long scan_start;
 	unsigned long scan_start_tsf;