wl12xx: move last_tx_hlid into wlvif

move last_tx_hlid into the per-interface data, rather than
being global.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/wl12xx/debugfs.c

@@ -355,7 +355,6 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf,
 	DRIVER_STATE_PRINT_INT(sg_enabled);
 	DRIVER_STATE_PRINT_INT(enable_11a);
 	DRIVER_STATE_PRINT_INT(noise);
-	DRIVER_STATE_PRINT_INT(last_tx_hlid);
 	DRIVER_STATE_PRINT_HEX(ap_fw_ps_map);
 	DRIVER_STATE_PRINT_LHEX(ap_ps_map);
 	DRIVER_STATE_PRINT_HEX(quirks);

drivers/net/wireless/wl12xx/main.c

@@ -4901,7 +4901,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
 	wl->flags = 0;
 	wl->sg_enabled = true;
 	wl->hw_pg_ver = -1;
-	wl->last_tx_hlid = 0;
 	wl->ap_ps_map = 0;
 	wl->ap_fw_ps_map = 0;
 	wl->quirks = 0;

drivers/net/wireless/wl12xx/tx.c

@@ -570,7 +570,7 @@ static struct sk_buff *wl1271_ap_skb_dequeue(struct wl1271 *wl,
 	struct sk_buff_head *queue;
 
 	/* start from the link after the last one */
-	start_hlid = (wl->last_tx_hlid + 1) % WL12XX_MAX_LINKS;
+	start_hlid = (wlvif->last_tx_hlid + 1) % WL12XX_MAX_LINKS;
 
 	/* dequeue according to AC, round robin on each link */
 	for (i = 0; i < WL12XX_MAX_LINKS; i++) {
@@ -591,12 +591,12 @@ static struct sk_buff *wl1271_ap_skb_dequeue(struct wl1271 *wl,
 
 	if (skb) {
 		int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
-		wl->last_tx_hlid = h;
+		wlvif->last_tx_hlid = h;
 		spin_lock_irqsave(&wl->wl_lock, flags);
 		wl->tx_queue_count[q]--;
 		spin_unlock_irqrestore(&wl->wl_lock, flags);
 	} else {
-		wl->last_tx_hlid = 0;
+		wlvif->last_tx_hlid = 0;
 	}
 
 	return skb;
@@ -641,7 +641,7 @@ static void wl1271_skb_queue_head(struct wl1271 *wl, struct ieee80211_vif *vif,
 		skb_queue_head(&wl->links[hlid].tx_queue[q], skb);
 
 		/* make sure we dequeue the same packet next time */
-		wl->last_tx_hlid = (hlid + WL12XX_MAX_LINKS - 1) %
+		wlvif->last_tx_hlid = (hlid + WL12XX_MAX_LINKS - 1) %
 				   WL12XX_MAX_LINKS;
 	} else {
 		skb_queue_head(&wl->tx_queue[q], skb);
@@ -924,7 +924,7 @@ void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues)
 			wl->links[i].prev_freed_pkts = 0;
 		}
 
-		wl->last_tx_hlid = 0;
+		wlvif->last_tx_hlid = 0;
 	} else {
 		for (i = 0; i < NUM_TX_QUEUES; i++) {
 			while ((skb = skb_dequeue(&wl->tx_queue[i]))) {

drivers/net/wireless/wl12xx/wl12xx.h

@@ -542,9 +542,6 @@ struct wl1271 {
 	 */
 	struct wl1271_link links[WL12XX_MAX_LINKS];
 
-	/* the hlid of the link where the last transmitted skb came from */
-	int last_tx_hlid;
-
 	/* AP-mode - a bitmap of links currently in PS mode according to FW */
 	u32 ap_fw_ps_map;
 
@@ -596,6 +593,9 @@ struct wl12xx_vif {
 		} ap;
 	};
 
+	/* the hlid of the last transmitted skb */
+	int last_tx_hlid;
+
 	unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
 
 	u8 ssid[IEEE80211_MAX_SSID_LEN + 1];