[PATCH 1/2] mac80211: fix FEC flag in radio tap header

[P Praneesh]

In mac80211, while building radiotap header
IEEE80211_RADIOTAP_MCS_HAVE_FEC flag is missing when LDPC enabled
from driver, hence LDPC is not updated properly in radiotap header.
Fix that by adding HAVE_FEC flag while building radiotap header.

Signed-off-by: P Praneesh <quic_ppranees at quicinc.com>
---
 net/mac80211/rx.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 9541a4c..be12fa8 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -465,7 +465,12 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 		unsigned int stbc;
 
 		rthdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_MCS));
-		*pos++ = local->hw.radiotap_mcs_details;
+		*pos = local->hw.radiotap_mcs_details;
+		if (status->enc_flags & RX_ENC_FLAG_HT_GF)
+			*pos |= IEEE80211_RADIOTAP_MCS_HAVE_FMT;
+		if (status->enc_flags & RX_ENC_FLAG_LDPC)
+			*pos |= IEEE80211_RADIOTAP_MCS_HAVE_FEC;
+		pos++;
 		*pos = 0;
 		if (status->enc_flags & RX_ENC_FLAG_SHORT_GI)
 			*pos |= IEEE80211_RADIOTAP_MCS_SGI;
-- 
2.7.4