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rtl8180: 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@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Andrea Merello 2014-05-07 17:52:16 +02:00 committed by John W. Linville
parent 97bd8c79da
commit e58342d9c8
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/rtl818x/rtl8180/dev.c
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@ -284,6 +284,8 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
rx_status.band = dev->conf.chandef.chan->band;
rx_status.mactime = tsft;
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;