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Re: [PATCH 2/2] ath9k: check for Rx-STBC flag and pass it to ieee80211

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Am 24.05.2013 12:29, schrieb Johannes Berg:
On Fri, 2013-05-24 at 12:18 +0200, Oleksij Rempel wrote:
Signed-off-by: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
---
  drivers/net/wireless/ath/ath9k/init.c | 9 +++++++--
  drivers/net/wireless/ath/ath9k/mac.c  | 5 +++++
  drivers/net/wireless/ath/ath9k/mac.h  | 3 ++-
  3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index aba4151..7739b05 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -769,8 +769,13 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
  		IEEE80211_HW_REPORTS_TX_ACK_STATUS |
  		IEEE80211_HW_SUPPORTS_RC_TABLE;

-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
-		 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+		hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+
+		if (AR_SREV_9280_20_OR_LATER(ah))
+			hw->radiotap_mcs_details |=
+				IEEE80211_RADIOTAP_MCS_HAVE_STBC;
+	}

Are you sure this is right? It seems that if other devices don't support
STBC they can report all frames to be w/o STBC. Or do they support STBC
but don't report it?

They support STBC but don't report it. First device whhic can report it is ar9280.


--
Regards,
Oleksij
--
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