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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/net/wireless/intersil/p54/txrx.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Common code for mac80211 Prism54 drivers
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  *
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@@ -10,10 +11,6 @@
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  *   Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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  * - stlc45xx driver
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  *   Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/export.h>
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@@ -121,8 +118,8 @@
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 	}
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 	if (unlikely(!target_skb)) {
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 		if (priv->rx_end - last_addr >= len) {
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-			target_skb = priv->tx_queue.prev;
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-			if (!skb_queue_empty(&priv->tx_queue)) {
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+			target_skb = skb_peek_tail(&priv->tx_queue);
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+			if (target_skb) {
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 				info = IEEE80211_SKB_CB(target_skb);
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 				range = (void *)info->rate_driver_data;
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 				target_addr = range->end_addr;
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@@ -142,7 +139,10 @@
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 	    unlikely(GET_HW_QUEUE(skb) == P54_QUEUE_BEACON))
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 		priv->beacon_req_id = data->req_id;
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-	__skb_queue_after(&priv->tx_queue, target_skb, skb);
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+	if (target_skb)
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+		__skb_queue_after(&priv->tx_queue, target_skb, skb);
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+	else
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+		__skb_queue_head(&priv->tx_queue, skb);
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 	spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
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 	return 0;
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 }
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@@ -331,6 +331,7 @@
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 	u16 freq = le16_to_cpu(hdr->freq);
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 	size_t header_len = sizeof(*hdr);
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 	u32 tsf32;
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+	__le16 fc;
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 	u8 rate = hdr->rate & 0xf;
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 	/*
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@@ -379,6 +380,11 @@
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 	skb_pull(skb, header_len);
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 	skb_trim(skb, le16_to_cpu(hdr->len));
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+
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+	fc = ((struct ieee80211_hdr *)skb->data)->frame_control;
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+	if (ieee80211_is_probe_resp(fc) || ieee80211_is_beacon(fc))
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+		rx_status->boottime_ns = ktime_get_boottime_ns();
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+
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 	if (unlikely(priv->hw->conf.flags & IEEE80211_CONF_PS))
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 		p54_pspoll_workaround(priv, skb);
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