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[PATCH 1/4] rtl8187: report mac80211 short preamble RX flag

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This patch make it possible to mac80211 to know whether a frame
has been received with short preamble.

It simply checks for the "splcp" flag in the RX status
descriptor, and eventually set RX_FLAG_SHORTPRE in mac80211
rx status structure.

Signed-off-by: Andrea Merello <andrea.merello@xxxxxxxxx>
---
 drivers/net/wireless/rtl818x/rtl8187/dev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/rtl818x/rtl8187/dev.c b/drivers/net/wireless/rtl818x/rtl8187/dev.c
index 0ca17cd..6e4b177 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187/dev.c
@@ -381,6 +381,8 @@ static void rtl8187_rx_cb(struct urb *urb)
 	rx_status.freq = dev->conf.chandef.chan->center_freq;
 	rx_status.band = dev->conf.chandef.chan->band;
 	rx_status.flag |= RX_FLAG_MACTIME_START;
+	if (flags & RTL818X_RX_DESC_FLAG_SPLCP)
+		rx_status.flag |= RX_FLAG_SHORTPRE;
 	if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
 		rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
 	memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
-- 
1.8.3.2

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