---

yaml
---
r: 246971
b: refs/heads/master
c: 46a01ec
h: refs/heads/master
i:
  246969: 1d8205a
  246967: 8631e3e
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ea81966ccc2edd324c1fa382260a62a4400a032a
+refs/heads/master: 46a01ec00d05581c5bd0c37e680d5b37af4953b4

trunk/drivers/net/wireless/rt2x00/Kconfig

@@ -59,7 +59,6 @@ config RT2800PCI
 	select RT2800_LIB
 	select RT2X00_LIB_PCI if PCI
 	select RT2X00_LIB_SOC if RALINK_RT288X || RALINK_RT305X
-	select RT2X00_LIB_HT
 	select RT2X00_LIB_FIRMWARE
 	select RT2X00_LIB_CRYPTO
 	select CRC_CCITT
@@ -133,7 +132,6 @@ config RT2800USB
 	depends on USB
 	select RT2800_LIB
 	select RT2X00_LIB_USB
-	select RT2X00_LIB_HT
 	select RT2X00_LIB_FIRMWARE
 	select RT2X00_LIB_CRYPTO
 	select CRC_CCITT
@@ -196,9 +194,6 @@ config RT2X00_LIB_USB
 config RT2X00_LIB
 	tristate
 
-config RT2X00_LIB_HT
-	boolean
-
 config RT2X00_LIB_FIRMWARE
 	boolean
 	select FW_LOADER

trunk/drivers/net/wireless/rt2x00/Makefile

@@ -7,7 +7,6 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_DEBUGFS)	+= rt2x00debug.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_CRYPTO)	+= rt2x00crypto.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE)	+= rt2x00firmware.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS)	+= rt2x00leds.o
-rt2x00lib-$(CONFIG_RT2X00_LIB_HT)	+= rt2x00ht.o
 
 obj-$(CONFIG_RT2X00_LIB)		+= rt2x00lib.o
 obj-$(CONFIG_RT2X00_LIB_PCI)		+= rt2x00pci.o

trunk/drivers/net/wireless/rt2x00/rt2x00config.c

@@ -163,6 +163,34 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 		rt2x00queue_start_queue(rt2x00dev->rx);
 }
 
+static u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
+				   struct ieee80211_conf *conf)
+{
+	struct hw_mode_spec *spec = &rt2x00dev->spec;
+	int center_channel;
+	u16 i;
+
+	/*
+	 * Initialize center channel to current channel.
+	 */
+	center_channel = spec->channels[conf->channel->hw_value].channel;
+
+	/*
+	 * Adjust center channel to HT40+ and HT40- operation.
+	 */
+	if (conf_is_ht40_plus(conf))
+		center_channel += 2;
+	else if (conf_is_ht40_minus(conf))
+		center_channel -= (center_channel == 14) ? 1 : 2;
+
+	for (i = 0; i < spec->num_channels; i++)
+		if (spec->channels[i].channel == center_channel)
+			return i;
+
+	WARN_ON(1);
+	return conf->channel->hw_value;
+}
+
 void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
 		      struct ieee80211_conf *conf,
 		      unsigned int ieee80211_flags)

trunk/drivers/net/wireless/rt2x00/rt2x00lib.h

@@ -387,30 +387,6 @@ static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb,
 }
 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
 
-/*
- * HT handlers.
- */
-#ifdef CONFIG_RT2X00_LIB_HT
-void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
-				   struct txentry_desc *txdesc,
-				   const struct rt2x00_rate *hwrate);
-
-u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
-			    struct ieee80211_conf *conf);
-#else
-static inline void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
-						 struct txentry_desc *txdesc,
-						 const struct rt2x00_rate *hwrate)
-{
-}
-
-static inline u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
-					  struct ieee80211_conf *conf)
-{
-	return conf->channel->hw_value;
-}
-#endif /* CONFIG_RT2X00_LIB_HT */
-
 /*
  * RFkill handlers.
  */

trunk/drivers/net/wireless/rt2x00/rt2x00queue.c

@@ -302,6 +302,85 @@ static void rt2x00queue_create_tx_descriptor_plcp(struct queue_entry *entry,
 	}
 }
 
+static void rt2x00queue_create_tx_descriptor_ht(struct queue_entry *entry,
+						struct txentry_desc *txdesc,
+						const struct rt2x00_rate *hwrate)
+{
+	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
+	struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0];
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data;
+
+	if (tx_info->control.sta)
+		txdesc->u.ht.mpdu_density =
+		    tx_info->control.sta->ht_cap.ampdu_density;
+
+	txdesc->u.ht.ba_size = 7;	/* FIXME: What value is needed? */
+
+	/*
+	 * Only one STBC stream is supported for now.
+	 */
+	if (tx_info->flags & IEEE80211_TX_CTL_STBC)
+		txdesc->u.ht.stbc = 1;
+
+	/*
+	 * If IEEE80211_TX_RC_MCS is set txrate->idx just contains the
+	 * mcs rate to be used
+	 */
+	if (txrate->flags & IEEE80211_TX_RC_MCS) {
+		txdesc->u.ht.mcs = txrate->idx;
+
+		/*
+		 * MIMO PS should be set to 1 for STA's using dynamic SM PS
+		 * when using more then one tx stream (>MCS7).
+		 */
+		if (tx_info->control.sta && txdesc->u.ht.mcs > 7 &&
+		    ((tx_info->control.sta->ht_cap.cap &
+		      IEEE80211_HT_CAP_SM_PS) >>
+		     IEEE80211_HT_CAP_SM_PS_SHIFT) ==
+		    WLAN_HT_CAP_SM_PS_DYNAMIC)
+			__set_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags);
+	} else {
+		txdesc->u.ht.mcs = rt2x00_get_rate_mcs(hwrate->mcs);
+		if (txrate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+			txdesc->u.ht.mcs |= 0x08;
+	}
+
+	/*
+	 * This frame is eligible for an AMPDU, however, don't aggregate
+	 * frames that are intended to probe a specific tx rate.
+	 */
+	if (tx_info->flags & IEEE80211_TX_CTL_AMPDU &&
+	    !(tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE))
+		__set_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags);
+
+	/*
+	 * Set 40Mhz mode if necessary (for legacy rates this will
+	 * duplicate the frame to both channels).
+	 */
+	if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH ||
+	    txrate->flags & IEEE80211_TX_RC_DUP_DATA)
+		__set_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags);
+	if (txrate->flags & IEEE80211_TX_RC_SHORT_GI)
+		__set_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags);
+
+	/*
+	 * Determine IFS values
+	 * - Use TXOP_BACKOFF for management frames except beacons
+	 * - Use TXOP_SIFS for fragment bursts
+	 * - Use TXOP_HTTXOP for everything else
+	 *
+	 * Note: rt2800 devices won't use CTS protection (if used)
+	 * for frames not transmitted with TXOP_HTTXOP
+	 */
+	if (ieee80211_is_mgmt(hdr->frame_control) &&
+	    !ieee80211_is_beacon(hdr->frame_control))
+		txdesc->u.ht.txop = TXOP_BACKOFF;
+	else if (!(tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT))
+		txdesc->u.ht.txop = TXOP_SIFS;
+	else
+		txdesc->u.ht.txop = TXOP_HTTXOP;
+}
+
 static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
 					     struct txentry_desc *txdesc)
 {
@@ -397,7 +476,7 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
 	rt2x00queue_create_tx_descriptor_seq(entry, txdesc);
 
 	if (test_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags))
-		rt2x00ht_create_tx_descriptor(entry, txdesc, hwrate);
+		rt2x00queue_create_tx_descriptor_ht(entry, txdesc, hwrate);
 	else
 		rt2x00queue_create_tx_descriptor_plcp(entry, txdesc, hwrate);
 }