From: John W. Linville <linville@tuxdriver.com>
Date: Mon, 21 Jan 2008 18:41:18 +0000 (-0500)
Subject: wireless: cleanup some merge errors
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c0ddd04d55e0a4d1506b6b8a4eb9e2b62f3aa41d;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

wireless: cleanup some merge errors

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index a455a6beac4..e60e54d59ab 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -525,8 +525,24 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	else
 		status.rate = b43_plcp_get_bitrate_cck(plcp);
 	status.antenna = !!(phystat0 & B43_RX_PHYST0_ANT);
-	status.mactime = mactime;
-	status.flag |= RX_FLAG_TSFT;
+
+	/*
+	 * If monitors are present get full 64-bit timestamp. This
+	 * code assumes we get to process the packet within 16 bits
+	 * of timestamp, i.e. about 65 milliseconds after the PHY
+	 * received the first symbol.
+	 */
+	if (dev->wl->radiotap_enabled) {
+		u16 low_mactime_now;
+
+		b43_tsf_read(dev, &status.mactime);
+		low_mactime_now = status.mactime;
+		status.mactime = status.mactime & ~0xFFFFULL;
+		status.mactime += mactime;
+		if (low_mactime_now <= mactime)
+			status.mactime -= 0x10000;
+		status.flag |= RX_FLAG_TSFT;
+	}
 
 	chanid = (chanstat & B43_RX_CHAN_ID) >> B43_RX_CHAN_ID_SHIFT;
 	switch (chanstat & B43_RX_CHAN_PHYTYPE) {
diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index c24399dc0ed..fa095d43237 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -532,8 +532,24 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 	else
 		status.rate = b43legacy_plcp_get_bitrate_cck(plcp);
 	status.antenna = !!(phystat0 & B43legacy_RX_PHYST0_ANT);
-	status.mactime = mactime;
-	status.flag |= RX_FLAG_TSFT;
+
+	/*
+	 * If monitors are present get full 64-bit timestamp. This
+	 * code assumes we get to process the packet within 16 bits
+	 * of timestamp, i.e. about 65 milliseconds after the PHY
+	 * received the first symbol.
+	 */
+	if (dev->wl->radiotap_enabled) {
+		u16 low_mactime_now;
+
+		b43legacy_tsf_read(dev, &status.mactime);
+		low_mactime_now = status.mactime;
+		status.mactime = status.mactime & ~0xFFFFULL;
+		status.mactime += mactime;
+		if (low_mactime_now <= mactime)
+			status.mactime -= 0x10000;
+		status.flag |= RX_FLAG_TSFT;
+	}
 
 	chanid = (chanstat & B43legacy_RX_CHAN_ID) >>
 		  B43legacy_RX_CHAN_ID_SHIFT;