From b4f28bbb9bf0b2c829ecf97ce2173f204fde4f10 Mon Sep 17 00:00:00 2001 From: Bruno Randolf Date: Wed, 30 Jul 2008 17:19:55 +0200 Subject: [PATCH] mac80211: add rx status flag for short preamble and use it for the radiotap header Signed-off-by: Bruno Randolf Signed-off-by: John W. Linville --- include/net/mac80211.h | 2 ++ net/mac80211/rx.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 25cc192cbe4..dcc05a197dc 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -363,6 +363,7 @@ static inline struct ieee80211_tx_info *IEEE80211_SKB_CB(struct sk_buff *skb) * @RX_FLAG_TSFT: The timestamp passed in the RX status (@mactime field) * is valid. This is useful in monitor mode and necessary for beacon frames * to enable IBSS merging. + * @RX_FLAG_SHORTPRE: Short preamble was used for this frame */ enum mac80211_rx_flags { RX_FLAG_MMIC_ERROR = 1<<0, @@ -373,6 +374,7 @@ enum mac80211_rx_flags { RX_FLAG_FAILED_FCS_CRC = 1<<5, RX_FLAG_FAILED_PLCP_CRC = 1<<6, RX_FLAG_TSFT = 1<<7, + RX_FLAG_SHORTPRE = 1<<8 }; /** diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 6db85450519..ad47a614a20 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -143,6 +143,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local, /* IEEE80211_RADIOTAP_FLAGS */ if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) *pos |= IEEE80211_RADIOTAP_F_FCS; + if (status->flag & RX_FLAG_SHORTPRE) + *pos |= IEEE80211_RADIOTAP_F_SHORTPRE; pos++; /* IEEE80211_RADIOTAP_RATE */ -- 2.41.0