--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/mwifiex/11n_aggr.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/mwifiex/11n_aggr.c	2021-02-04 17:41:59.000000000 +0000
@@ -1,7 +1,7 @@
 /*
  * Marvell Wireless LAN device driver: 802.11n Aggregation
  *
- * Copyright (C) 2011, Marvell International Ltd.
+ * Copyright (C) 2011-2014, Marvell International Ltd.
  *
  * This software file (the "File") is distributed by Marvell International
  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
@@ -69,8 +69,9 @@
 	memcpy(&tx_header->eth803_hdr, skb_src->data, dt_offset);
 
 	/* Copy SNAP header */
-	snap.snap_type = *(u16 *) ((u8 *)skb_src->data + dt_offset);
-	dt_offset += sizeof(u16);
+	snap.snap_type = ((struct ethhdr *)skb_src->data)->h_proto;
+
+	dt_offset += sizeof(__be16);
 
 	memcpy(&tx_header->rfc1042_hdr, &snap, sizeof(struct rfc_1042_hdr));
 
@@ -99,6 +100,14 @@
 			    struct sk_buff *skb)
 {
 	struct txpd *local_tx_pd;
+	struct mwifiex_txinfo *tx_info = MWIFIEX_SKB_TXCB(skb);
+	unsigned int pad;
+	int headroom = (priv->adapter->iface_type ==
+			MWIFIEX_USB) ? 0 : INTF_HEADER_LEN;
+
+	pad = ((void *)skb->data - sizeof(*local_tx_pd) -
+		headroom - NULL) & (MWIFIEX_DMA_ALIGN_SZ - 1);
+	skb_push(skb, pad);
 
 	skb_push(skb, sizeof(*local_tx_pd));
 
@@ -112,10 +121,15 @@
 	local_tx_pd->bss_num = priv->bss_num;
 	local_tx_pd->bss_type = priv->bss_type;
 	/* Always zero as the data is followed by struct txpd */
-	local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd));
+	local_tx_pd->tx_pkt_offset = cpu_to_le16(sizeof(struct txpd) +
+						 pad);
 	local_tx_pd->tx_pkt_type = cpu_to_le16(PKT_TYPE_AMSDU);
 	local_tx_pd->tx_pkt_length = cpu_to_le16(skb->len -
-						 sizeof(*local_tx_pd));
+						 sizeof(*local_tx_pd) -
+						 pad);
+
+	if (tx_info->flags & MWIFIEX_BUF_FLAG_TDLS_PKT)
+		local_tx_pd->flags |= MWIFIEX_TXPD_FLAGS_TDLS_PACKET;
 
 	if (local_tx_pd->tx_control == 0)
 		/* TxCtrl set by user or default */
@@ -156,7 +170,7 @@
 	struct mwifiex_adapter *adapter = priv->adapter;
 	struct sk_buff *skb_aggr, *skb_src;
 	struct mwifiex_txinfo *tx_info_aggr, *tx_info_src;
-	int pad = 0, ret;
+	int pad = 0, aggr_num = 0, ret;
 	struct mwifiex_tx_param tx_param;
 	struct txpd *ptx_pd = NULL;
 	int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN;
@@ -169,19 +183,27 @@
 	}
 
 	tx_info_src = MWIFIEX_SKB_TXCB(skb_src);
-	skb_aggr = dev_alloc_skb(adapter->tx_buf_size);
+	skb_aggr = mwifiex_alloc_dma_align_buf(adapter->tx_buf_size,
+					       GFP_ATOMIC | GFP_DMA);
 	if (!skb_aggr) {
-		dev_err(adapter->dev, "%s: alloc skb_aggr\n", __func__);
 		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
 				       ra_list_flags);
 		return -1;
 	}
-	skb_reserve(skb_aggr, headroom + sizeof(struct txpd));
+	skb_reserve(skb_aggr, MWIFIEX_MIN_DATA_HEADER_LEN);
 	tx_info_aggr =  MWIFIEX_SKB_TXCB(skb_aggr);
 
+	memset(tx_info_aggr, 0, sizeof(*tx_info_aggr));
 	tx_info_aggr->bss_type = tx_info_src->bss_type;
 	tx_info_aggr->bss_num = tx_info_src->bss_num;
+
+	if (tx_info_src->flags & MWIFIEX_BUF_FLAG_TDLS_PKT)
+		tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
+	tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_AGGR_PKT;
 	skb_aggr->priority = skb_src->priority;
+	skb_aggr->tstamp = skb_src->tstamp;
+
+	skb_aggr->tstamp = ktime_get_real();
 
 	do {
 		/* Check if AMSDU can accommodate this MSDU */
@@ -189,11 +211,9 @@
 			break;
 
 		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);
-
+		aggr_num++;
 		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
 				       ra_list_flags);
 		mwifiex_11n_form_amsdu_pkt(skb_aggr, skb_src, &pad);
@@ -229,24 +249,22 @@
 		ptx_pd = (struct txpd *)skb_aggr->data;
 
 	skb_push(skb_aggr, headroom);
+	tx_info_aggr->aggr_num = aggr_num * 2;
+	if (adapter->data_sent || adapter->tx_lock_flag) {
+		atomic_add(aggr_num * 2, &adapter->tx_queued);
+		skb_queue_tail(&adapter->tx_data_q, skb_aggr);
+		return 0;
+	}
 
 	if (adapter->iface_type == MWIFIEX_USB) {
-		adapter->data_sent = true;
-		ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_USB_EP_DATA,
+		ret = adapter->if_ops.host_to_card(adapter, priv->usb_port,
 						   skb_aggr, NULL);
 	} else {
-		/*
-		 * Padding per MSDU will affect the length of next
-		 * packet and hence the exact length of next packet
-		 * is uncertain here.
-		 *
-		 * Also, aggregation of transmission buffer, while
-		 * downloading the data to the card, wont gain much
-		 * on the AMSDU packets as the AMSDU packets utilizes
-		 * the transmission buffer space to the maximum
-		 * (adapter->tx_buf_size).
-		 */
-		tx_param.next_pkt_len = 0;
+		if (skb_src)
+			tx_param.next_pkt_len =
+					skb_src->len + sizeof(struct txpd);
+		else
+			tx_param.next_pkt_len = 0;
 
 		ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA,
 						   skb_aggr, &tx_param);
@@ -269,26 +287,22 @@
 
 		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);
 
 		tx_info_aggr->flags |= MWIFIEX_BUF_FLAG_REQUEUED_PKT;
 		spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
 				       ra_list_flags);
-		dev_dbg(adapter->dev, "data: -EBUSY is returned\n");
+		mwifiex_dbg(adapter, ERROR, "data: -EBUSY is returned\n");
 		break;
 	case -1:
-		if (adapter->iface_type != MWIFIEX_PCIE)
-			adapter->data_sent = false;
-		dev_err(adapter->dev, "%s: host_to_card failed: %#x\n",
-			__func__, ret);
+		mwifiex_dbg(adapter, ERROR, "%s: host_to_card failed: %#x\n",
+			    __func__, ret);
 		adapter->dbg.num_tx_host_to_card_failure++;
 		mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);
 		return 0;
 	case -EINPROGRESS:
-		if (adapter->iface_type != MWIFIEX_PCIE)
-			adapter->data_sent = false;
 		break;
 	case 0:
 		mwifiex_write_data_complete(adapter, skb_aggr, 1, ret);