mwifiex: maintain outstanding packet count for RA list instead of packet size

Maintain total outstanding packet count for RA list instead of total
outstanding size as packet count metric seems more reasonable for
checking threshold etc.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index a78e065..8f9f542 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c
@@ -189,7 +189,7 @@
 
 		skb_src = skb_dequeue(&pra_list->skb_head);
 
-		pra_list->total_pkts_size -= skb_src->len;
+		pra_list->total_pkt_count--;
 
 		atomic_dec(&priv->wmm.tx_pkts_queued);
 
@@ -268,7 +268,7 @@
 
 		skb_queue_tail(&pra_list->skb_head, skb_aggr);
 
-		pra_list->total_pkts_size += skb_aggr->len;
+		pra_list->total_pkt_count++;
 
 		atomic_inc(&priv->wmm.tx_pkts_queued);
 
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index dff95fe..761e592 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -204,11 +204,11 @@
 	struct list_head list;
 	struct sk_buff_head skb_head;
 	u8 ra[ETH_ALEN];
-	u32 total_pkts_size;
 	u32 is_11n_enabled;
 	u16 max_amsdu;
 	u16 ba_pkt_count;
 	u8 ba_packet_thr;
+	u16 total_pkt_count;
 };
 
 struct mwifiex_tid_tbl {
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 9c1eeee..2e8f9cd 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -120,7 +120,7 @@
 
 	memcpy(ra_list->ra, ra, ETH_ALEN);
 
-	ra_list->total_pkts_size = 0;
+	ra_list->total_pkt_count = 0;
 
 	dev_dbg(adapter->dev, "info: allocated ra_list %p\n", ra_list);
 
@@ -679,8 +679,8 @@
 
 	skb_queue_tail(&ra_list->skb_head, skb);
 
-	ra_list->total_pkts_size += skb->len;
 	ra_list->ba_pkt_count++;
+	ra_list->total_pkt_count++;
 
 	if (atomic_read(&priv->wmm.highest_queued_prio) <
 						tos_to_tid_inv[tid_down])
@@ -1037,7 +1037,7 @@
 	tx_info = MWIFIEX_SKB_TXCB(skb);
 	dev_dbg(adapter->dev, "data: dequeuing the packet %p %p\n", ptr, skb);
 
-	ptr->total_pkts_size -= skb->len;
+	ptr->total_pkt_count--;
 
 	if (!skb_queue_empty(&ptr->skb_head))
 		skb_next = skb_peek(&ptr->skb_head);
@@ -1062,7 +1062,7 @@
 
 		skb_queue_tail(&ptr->skb_head, skb);
 
-		ptr->total_pkts_size += skb->len;
+		ptr->total_pkt_count++;
 		ptr->ba_pkt_count++;
 		tx_info->flags |= MWIFIEX_BUF_FLAG_REQUEUED_PKT;
 		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,