Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/gi…

…t/linville/wireless-next-2.6

Documentation/DocBook/mac80211.tmpl

@@ -145,7 +145,6 @@ usage should require reading the full document.
         interface in STA mode at first!
       </para>
 !Finclude/net/mac80211.h ieee80211_if_init_conf
-!Finclude/net/mac80211.h ieee80211_if_conf
     </chapter>
 
     <chapter id="rx-tx">

drivers/net/wireless/Kconfig

@@ -501,5 +501,6 @@ source "drivers/net/wireless/zd1211rw/Kconfig"
 source "drivers/net/wireless/rt2x00/Kconfig"
 source "drivers/net/wireless/orinoco/Kconfig"
 source "drivers/net/wireless/wl12xx/Kconfig"
+source "drivers/net/wireless/iwmc3200wifi/Kconfig"
 
 endmenu

drivers/net/wireless/Makefile

@@ -60,3 +60,5 @@ obj-$(CONFIG_ATH_COMMON)	+= ath/
 obj-$(CONFIG_MAC80211_HWSIM)	+= mac80211_hwsim.o
 
 obj-$(CONFIG_WL12XX)	+= wl12xx/
+
+obj-$(CONFIG_IWM)	+= iwmc3200wifi/

drivers/net/wireless/ath/ar9170/main.c

@@ -1555,7 +1555,7 @@ static int ar9170_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 	switch (key->alg) {
 	case ALG_WEP:
-		if (key->keylen == LEN_WEP40)
+		if (key->keylen == WLAN_KEY_LEN_WEP40)
 			ktype = AR9170_ENC_ALG_WEP64;
 		else
 			ktype = AR9170_ENC_ALG_WEP128;

drivers/net/wireless/ath/ath5k/base.c

@@ -242,8 +242,8 @@ static int ath5k_get_tx_stats(struct ieee80211_hw *hw,
 static u64 ath5k_get_tsf(struct ieee80211_hw *hw);
 static void ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf);
 static void ath5k_reset_tsf(struct ieee80211_hw *hw);
-static int ath5k_beacon_update(struct ath5k_softc *sc,
-		struct sk_buff *skb);
+static int ath5k_beacon_update(struct ieee80211_hw *hw,
+		struct ieee80211_vif *vif);
 static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 		struct ieee80211_vif *vif,
 		struct ieee80211_bss_conf *bss_conf,
@@ -2127,8 +2127,10 @@ ath5k_beacon_send(struct ath5k_softc *sc)
 		/* NB: hw still stops DMA, so proceed */
 	}
 
-	/* Note: Beacon buffer is updated on beacon_update when mac80211
-	 * calls config_interface */
+	/* refresh the beacon for AP mode */
+	if (sc->opmode == NL80211_IFTYPE_AP)
+		ath5k_beacon_update(sc->hw, sc->vif);
+
 	ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr);
 	ath5k_hw_start_tx_dma(ah, sc->bhalq);
 	ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n",
@@ -3047,28 +3049,55 @@ ath5k_reset_tsf(struct ieee80211_hw *hw)
 		ath5k_hw_reset_tsf(sc->ah);
 }
 
+/*
+ * Updates the beacon that is sent by ath5k_beacon_send.  For adhoc,
+ * this is called only once at config_bss time, for AP we do it every
+ * SWBA interrupt so that the TIM will reflect buffered frames.
+ *
+ * Called with the beacon lock.
+ */
 static int
-ath5k_beacon_update(struct ath5k_softc *sc, struct sk_buff *skb)
+ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
-	unsigned long flags;
 	int ret;
+	struct ath5k_softc *sc = hw->priv;
+	struct sk_buff *skb = ieee80211_beacon_get(hw, vif);
+
+	if (!skb) {
+		ret = -ENOMEM;
+		goto out;
+	}
 
 	ath5k_debug_dump_skb(sc, skb, "BC  ", 1);
 
-	spin_lock_irqsave(&sc->block, flags);
 	ath5k_txbuf_free(sc, sc->bbuf);
 	sc->bbuf->skb = skb;
 	ret = ath5k_beacon_setup(sc, sc->bbuf);
 	if (ret)
 		sc->bbuf->skb = NULL;
+out:
+	return ret;
+}
+
+/*
+ *  Update the beacon and reconfigure the beacon queues.
+ */
+static void
+ath5k_beacon_reconfig(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	int ret;
+	unsigned long flags;
+	struct ath5k_softc *sc = hw->priv;
+
+	spin_lock_irqsave(&sc->block, flags);
+	ret = ath5k_beacon_update(hw, vif);
 	spin_unlock_irqrestore(&sc->block, flags);
-	if (!ret) {
+	if (ret == 0) {
 		ath5k_beacon_config(sc);
 		mmiowb();
 	}
-
-	return ret;
 }
+
 static void
 set_beacon_filter(struct ieee80211_hw *hw, bool enable)
 {
@@ -3118,10 +3147,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 	    (vif->type == NL80211_IFTYPE_ADHOC ||
 	     vif->type == NL80211_IFTYPE_MESH_POINT ||
 	     vif->type == NL80211_IFTYPE_AP)) {
-		struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
-
-		if (beacon)
-			ath5k_beacon_update(sc, beacon);
+		ath5k_beacon_reconfig(hw, vif);
 	}
 
  unlock:

drivers/net/wireless/ath/ath5k/pcu.c

@@ -1038,9 +1038,9 @@ int ath5k_keycache_type(const struct ieee80211_key_conf *key)
 	case ALG_CCMP:
 		return AR5K_KEYTABLE_TYPE_CCM;
 	case ALG_WEP:
-		if (key->keylen == LEN_WEP40)
+		if (key->keylen == WLAN_KEY_LEN_WEP40)
 			return AR5K_KEYTABLE_TYPE_40;
-		else if (key->keylen == LEN_WEP104)
+		else if (key->keylen == WLAN_KEY_LEN_WEP104)
 			return AR5K_KEYTABLE_TYPE_104;
 		return -EINVAL;
 	default:

drivers/net/wireless/ath/ath5k/phy.c

@@ -1897,6 +1897,9 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR,
 	s16 min_pwrL, min_pwrR;
 	s16 pwr_i;
 
+	if (WARN_ON(stepL[0] == stepL[1] || stepR[0] == stepR[1]))
+		return 0;
+
 	if (pwrL[0] == pwrL[1])
 		min_pwrL = pwrL[0];
 	else {

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -515,6 +515,10 @@ struct ath_rfkill {
 #define SC_OP_LED_ON            BIT(13)
 #define SC_OP_SCANNING          BIT(14)
 #define SC_OP_TSF_RESET         BIT(15)
+#define SC_OP_WAIT_FOR_CAB      BIT(16)
+#define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
+#define SC_OP_WAIT_FOR_TX_ACK   BIT(18)
+#define SC_OP_BEACON_SYNC       BIT(19)
 
 struct ath_bus_ops {
 	void		(*read_cachesize)(struct ath_softc *sc, int *csz);
@@ -599,6 +603,7 @@ struct ath_softc {
 	struct ath9k_debug debug;
 #endif
 	struct ath_bus_ops *bus_ops;
+	struct ath_beacon_config cur_beacon_conf;
 };
 
 struct ath_wiphy {
@@ -676,7 +681,9 @@ static inline void ath9k_ps_restore(struct ath_softc *sc)
 {
 	if (atomic_dec_and_test(&sc->ps_usecount))
 		if ((sc->hw->conf.flags & IEEE80211_CONF_PS) &&
-		    !(sc->sc_flags & SC_OP_WAIT_FOR_BEACON))
+		    !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
+				      SC_OP_WAIT_FOR_PSPOLL_DATA |
+				      SC_OP_WAIT_FOR_TX_ACK)))
 			ath9k_hw_setpower(sc->sc_ah,
 					  sc->sc_ah->restore_mode);
 }

drivers/net/wireless/ath/ath9k/beacon.c

@@ -507,8 +507,7 @@ void ath_beacon_tasklet(unsigned long data)
  * slot. Slots that are not occupied will generate nothing.
  */
 static void ath_beacon_config_ap(struct ath_softc *sc,
-				 struct ath_beacon_config *conf,
-				 struct ath_vif *avp)
+				 struct ath_beacon_config *conf)
 {
 	u32 nexttbtt, intval;
 
@@ -553,14 +552,14 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
  * we've associated with.
  */
 static void ath_beacon_config_sta(struct ath_softc *sc,
-				  struct ath_beacon_config *conf,
-				  struct ath_vif *avp)
+				  struct ath_beacon_config *conf)
 {
 	struct ath9k_beacon_state bs;
 	int dtimperiod, dtimcount, sleepduration;
 	int cfpperiod, cfpcount;
 	u32 nexttbtt = 0, intval, tsftu;
 	u64 tsf;
+	int num_beacons, offset, dtim_dec_count, cfp_dec_count;
 
 	memset(&bs, 0, sizeof(bs));
 	intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
@@ -588,14 +587,27 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 	 */
 	tsf = ath9k_hw_gettsf64(sc->sc_ah);
 	tsftu = TSF_TO_TU(tsf>>32, tsf) + FUDGE;
-	do {
+
+	num_beacons = tsftu / intval + 1;
+	offset = tsftu % intval;
+	nexttbtt = tsftu - offset;
+	if (offset)
 		nexttbtt += intval;
-		if (--dtimcount < 0) {
-			dtimcount = dtimperiod - 1;
-			if (--cfpcount < 0)
-				cfpcount = cfpperiod - 1;
-		}
-	} while (nexttbtt < tsftu);
+
+	/* DTIM Beacon every dtimperiod Beacon */
+	dtim_dec_count = num_beacons % dtimperiod;
+	/* CFP every cfpperiod DTIM Beacon */
+	cfp_dec_count = (num_beacons / dtimperiod) % cfpperiod;
+	if (dtim_dec_count)
+		cfp_dec_count++;
+
+	dtimcount -= dtim_dec_count;
+	if (dtimcount < 0)
+		dtimcount += dtimperiod;
+
+	cfpcount -= cfp_dec_count;
+	if (cfpcount < 0)
+		cfpcount += cfpperiod;
 
 	bs.bs_intval = intval;
 	bs.bs_nexttbtt = nexttbtt;
@@ -654,7 +666,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 
 static void ath_beacon_config_adhoc(struct ath_softc *sc,
 				    struct ath_beacon_config *conf,
-				    struct ath_vif *avp,
 				    struct ieee80211_vif *vif)
 {
 	u64 tsf;
@@ -698,43 +709,50 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 	sc->beacon.bmisscnt = 0;
 	ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
 
-	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_VEOL)
+	/* FIXME: Handle properly when vif is NULL */
+	if (vif && sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_VEOL)
 		ath_beacon_start_adhoc(sc, vif);
 }
 
 void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
 {
-	struct ath_beacon_config conf;
+	struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf;
+	enum nl80211_iftype iftype;
 
 	/* Setup the beacon configuration parameters */
 
-	memset(&conf, 0, sizeof(struct ath_beacon_config));
-	conf.beacon_interval = sc->beacon_interval ? : ATH_DEFAULT_BINTVAL;
-	conf.listen_interval = 1;
-	conf.dtim_period = conf.beacon_interval;
-	conf.dtim_count = 1;
-	conf.bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf.beacon_interval;
-
 	if (vif) {
-		struct ath_vif *avp = (struct ath_vif *)vif->drv_priv;
-
-		switch(avp->av_opmode) {
-		case NL80211_IFTYPE_AP:
-			ath_beacon_config_ap(sc, &conf, avp);
-			break;
-		case NL80211_IFTYPE_ADHOC:
-		case NL80211_IFTYPE_MESH_POINT:
-			ath_beacon_config_adhoc(sc, &conf, avp, vif);
-			break;
-		case NL80211_IFTYPE_STATION:
-			ath_beacon_config_sta(sc, &conf, avp);
-			break;
-		default:
-			DPRINTF(sc, ATH_DBG_CONFIG,
-				"Unsupported beaconing mode\n");
-			return;
-		}
+		struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+
+		iftype = vif->type;
+
+		cur_conf->beacon_interval = bss_conf->beacon_int;
+		cur_conf->dtim_period = bss_conf->dtim_period;
+		cur_conf->listen_interval = 1;
+		cur_conf->dtim_count = 1;
+		cur_conf->bmiss_timeout =
+			ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval;
+	} else {
+		iftype = sc->sc_ah->opmode;
+	}
+
 
-		sc->sc_flags |= SC_OP_BEACONS;
+	switch (iftype) {
+	case NL80211_IFTYPE_AP:
+		ath_beacon_config_ap(sc, cur_conf);
+		break;
+	case NL80211_IFTYPE_ADHOC:
+	case NL80211_IFTYPE_MESH_POINT:
+		ath_beacon_config_adhoc(sc, cur_conf, vif);
+		break;
+	case NL80211_IFTYPE_STATION:
+		ath_beacon_config_sta(sc, cur_conf);
+		break;
+	default:
+		DPRINTF(sc, ATH_DBG_CONFIG,
+			"Unsupported beaconing mode\n");
+		return;
 	}
+
+	sc->sc_flags |= SC_OP_BEACONS;
 }

drivers/net/wireless/ath/ath9k/debug.h

@@ -29,6 +29,7 @@ enum ATH_DEBUG {
 	ATH_DBG_BEACON		= 0x00000100,
 	ATH_DBG_CONFIG		= 0x00000200,
 	ATH_DBG_FATAL		= 0x00000400,
+	ATH_DBG_PS		= 0x00000800,
 	ATH_DBG_ANY		= 0xffffffff
 };
 

drivers/net/wireless/ath/ath9k/hw.c

@@ -2472,14 +2472,14 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 		}
 		break;
 	case ATH9K_CIPHER_WEP:
-		if (k->kv_len < LEN_WEP40) {
+		if (k->kv_len < WLAN_KEY_LEN_WEP40) {
 			DPRINTF(ah->ah_sc, ATH_DBG_ANY,
 				"WEP key length %u too small\n", k->kv_len);
 			return false;
 		}
-		if (k->kv_len <= LEN_WEP40)
+		if (k->kv_len <= WLAN_KEY_LEN_WEP40)
 			keyType = AR_KEYTABLE_TYPE_40;
-		else if (k->kv_len <= LEN_WEP104)
+		else if (k->kv_len <= WLAN_KEY_LEN_WEP104)
 			keyType = AR_KEYTABLE_TYPE_104;
 		else
 			keyType = AR_KEYTABLE_TYPE_128;
@@ -2498,7 +2498,7 @@ bool ath9k_hw_set_keycache_entry(struct ath_hw *ah, u16 entry,
 	key2 = get_unaligned_le32(k->kv_val + 6);
 	key3 = get_unaligned_le16(k->kv_val + 10);
 	key4 = get_unaligned_le32(k->kv_val + 12);
-	if (k->kv_len <= LEN_WEP104)
+	if (k->kv_len <= WLAN_KEY_LEN_WEP104)
 		key4 &= 0xff;
 
 	/*