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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@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Andrea Merello 2014-05-07 17:51:43 +02:00 committed by John W. Linville
parent 552a515707
commit 97bd8c79da
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/rtl818x/rtl8187/dev.c
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@ -381,6 +381,8 @@ static void rtl8187_rx_cb(struct urb *urb)
rx_status.freq = dev->conf.chandef.chan->center_freq; rx_status.freq = dev->conf.chandef.chan->center_freq;
rx_status.band = dev->conf.chandef.chan->band; rx_status.band = dev->conf.chandef.chan->band;
rx_status.flag |= RX_FLAG_MACTIME_START; 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) if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
rx_status.flag |= RX_FLAG_FAILED_FCS_CRC; rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status)); memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));