[rt2x00-users] [PATCH] rt2x00: Fix IEEE80211_HT_CAP_RX_STBC assignment

Ivo van Doorn ivdoorn at gmail.com
Mon Jun 28 11:58:17 UTC 2010


IEEE80211_HT_CAP_RX_STBC is a 2 bit flag, and should thus
never be set as normal flag. Instead we must read the number
of RX paths from the EEPROM and set the IEEE80211_HT_CAP_RX_STBC
with the correct value (using the same logic as the number of TX
streams).

Signed-off-by: Ivo van Doorn <IvDoorn at gmail.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 5396ecd..523069a 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2621,12 +2621,15 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
 	    IEEE80211_HT_CAP_GRN_FLD |
 	    IEEE80211_HT_CAP_SGI_20 |
-	    IEEE80211_HT_CAP_SGI_40 |
-	    IEEE80211_HT_CAP_RX_STBC;
+	    IEEE80211_HT_CAP_SGI_40;
 
 	if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) >= 2)
 		spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
 
+	spec->ht.cap |=
+	    (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) - 1) <<
+		IEEE80211_HT_CAP_RX_STBC_SHIFT;
+
 	spec->ht.ampdu_factor = 3;
 	spec->ht.ampdu_density = 4;
 	spec->ht.mcs.tx_params =
-- 
1.6.6.1




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