From: Andrea Merello Date: Wed, 7 May 2014 15:52:16 +0000 (+0200) Subject: rtl8180: report mac80211 short preamble RX flag X-Git-Tag: v4.14-rc1~7158^2~11^2~7^2~131 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e58342d9c8e2342688a804404c5636e32f1fa64e;p=platform%2Fkernel%2Flinux-rpi.git rtl8180: report mac80211 short preamble RX flag 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 Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c index 50d69b1..8d07df2 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c @@ -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;