diff options
| author | Helmut Schaa <helmut.schaa@googlemail.com> | 2011-03-03 19:43:49 +0100 | 
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-03-04 14:06:48 -0500 | 
| commit | 55b585e29095ce64900b6192aadf399fa007161e (patch) | |
| tree | c2eb6fc35309bd9b1eb1c4e276b72943ce1d200b /drivers/net/wireless/rt2x00/rt2x00queue.c | |
| parent | 2517794b702cf62bb049e57c0825fc4573f8a6a3 (diff) | |
| download | olio-linux-3.10-55b585e29095ce64900b6192aadf399fa007161e.tar.xz olio-linux-3.10-55b585e29095ce64900b6192aadf399fa007161e.zip  | |
rt2x00: Don't call ieee80211_get_tx_rate for MCS rates
ieee80211_get_tx_rate is not valid for HT rates. Hence, restructure the
TX desciptor creation to be aware of MCS rates. The generic TX desciptor
creation now cares about the rate_mode (CCK, OFDM, MCS, GF).
As a result, ieee80211_get_tx_rate gets only called for legacy rates.
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 22 | 
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 6300cf30987..f06b5c79749 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -321,9 +321,9 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,  	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;  	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);  	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; -	struct ieee80211_rate *rate = -	    ieee80211_get_tx_rate(rt2x00dev->hw, tx_info); -	const struct rt2x00_rate *hwrate; +	struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; +	struct ieee80211_rate *rate; +	const struct rt2x00_rate *hwrate = NULL;  	memset(txdesc, 0, sizeof(*txdesc)); @@ -390,10 +390,18 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,  	/*  	 * Determine rate modulation.  	 */ -	hwrate = rt2x00_get_rate(rate->hw_value); -	txdesc->rate_mode = RATE_MODE_CCK; -	if (hwrate->flags & DEV_RATE_OFDM) -		txdesc->rate_mode = RATE_MODE_OFDM; +	if (txrate->flags & IEEE80211_TX_RC_GREEN_FIELD) +		txdesc->rate_mode = RATE_MODE_HT_GREENFIELD; +	else if (txrate->flags & IEEE80211_TX_RC_MCS) +		txdesc->rate_mode = RATE_MODE_HT_MIX; +	else { +		rate = ieee80211_get_tx_rate(rt2x00dev->hw, tx_info); +		hwrate = rt2x00_get_rate(rate->hw_value); +		if (hwrate->flags & DEV_RATE_OFDM) +			txdesc->rate_mode = RATE_MODE_OFDM; +		else +			txdesc->rate_mode = RATE_MODE_CCK; +	}  	/*  	 * Apply TX descriptor handling by components  |