Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

drivers/net/wireless/airo.c

@@ -7107,7 +7107,7 @@ static int airo_get_aplist(struct net_device *dev,
  */
 static int airo_set_scan(struct net_device *dev,
 			 struct iw_request_info *info,
-			 struct iw_param *vwrq,
+			 struct iw_point *dwrq,
 			 char *extra)
 {
 	struct airo_info *ai = dev->priv;

drivers/net/wireless/airo_cs.c

@@ -147,7 +147,7 @@ static int airo_probe(struct pcmcia_device *p_dev)
 	DEBUG(0, "airo_attach()\n");
 
 	/* Interrupt setup */
-	p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
+	p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
 	p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	p_dev->irq.Handler = NULL;
 	

drivers/net/wireless/ath5k/phy.c

@@ -2124,7 +2124,7 @@ static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 	beacon = ath5k_hw_reg_read(ah, AR5K_BEACON_5210);
 	ath5k_hw_reg_write(ah, beacon & ~AR5K_BEACON_ENABLE, AR5K_BEACON_5210);
 
-	udelay(2300);
+	mdelay(2);
 
 	/*
 	 * Set the channel (with AGC turned off)

drivers/net/wireless/ath5k/reg.h

@@ -820,8 +820,6 @@
 #define AR5K_RESET_CTL_MAC	0x00000004	/* MAC reset (PCU+Baseband ?) [5210] */
 #define AR5K_RESET_CTL_PHY	0x00000008	/* PHY reset [5210] */
 #define AR5K_RESET_CTL_PCI	0x00000010	/* PCI Core reset (interrupts etc) */
-#define AR5K_RESET_CTL_CHIP	(AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_DMA |	\
-				AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_PHY)
 
 /*
  * Sleep control register

drivers/net/wireless/ath5k/reset.c

@@ -173,8 +173,10 @@ static int ath5k_hw_nic_reset(struct ath5k_hw *ah, u32 val)
 	udelay(15);
 
 	if (ah->ah_version == AR5K_AR5210) {
-		val &= AR5K_RESET_CTL_CHIP;
-		mask &= AR5K_RESET_CTL_CHIP;
+		val &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_DMA
+			| AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_PHY;
+		mask &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_DMA
+			| AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_PHY;
 	} else {
 		val &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_BASEBAND;
 		mask &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_BASEBAND;
@@ -361,16 +363,20 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
 	bus_flags = (pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
 
 	/* Reset chipset */
-	ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
-		AR5K_RESET_CTL_BASEBAND | bus_flags);
+	if (ah->ah_version == AR5K_AR5210) {
+		ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
+			AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_DMA |
+			AR5K_RESET_CTL_PHY | AR5K_RESET_CTL_PCI);
+			mdelay(2);
+	} else {
+		ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
+			AR5K_RESET_CTL_BASEBAND | bus_flags);
+	}
 	if (ret) {
 		ATH5K_ERR(ah->ah_sc, "failed to reset the MAC Chip\n");
 		return -EIO;
 	}
 
-	if (ah->ah_version == AR5K_AR5210)
-		udelay(2300);
-
 	/* ...wakeup again!*/
 	ret = ath5k_hw_set_power(ah, AR5K_PM_AWAKE, true, 0);
 	if (ret) {

drivers/net/wireless/ath9k/beacon.c

@@ -16,7 +16,6 @@
 
  /* Implementation of beacon processing. */
 
-#include <asm/unaligned.h>
 #include "core.h"
 
 /*
@@ -26,7 +25,6 @@
  *  the operating mode of the station (AP or AdHoc).  Parameters are AIFS
  *  settings and channel width min/max
 */
-
 static int ath_beaconq_config(struct ath_softc *sc)
 {
 	struct ath_hal *ah = sc->sc_ah;
@@ -63,19 +61,18 @@ static int ath_beaconq_config(struct ath_softc *sc)
  *  up all required antenna switch parameters, rate codes, and channel flags.
  *  Beacons are always sent out at the lowest rate, and are not retried.
 */
-
 static void ath_beacon_setup(struct ath_softc *sc,
-	struct ath_vap *avp, struct ath_buf *bf)
+			     struct ath_vap *avp, struct ath_buf *bf)
 {
 	struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
 	struct ath_hal *ah = sc->sc_ah;
 	struct ath_desc *ds;
-	int flags, antenna;
+	struct ath9k_11n_rate_series series[4];
 	const struct ath9k_rate_table *rt;
+	int flags, antenna;
 	u8 rix, rate;
 	int ctsrate = 0;
 	int ctsduration = 0;
-	struct ath9k_11n_rate_series  series[4];
 
 	DPRINTF(sc, ATH_DBG_BEACON, "%s: m %p len %u\n",
 		__func__, skb, skb->len);
@@ -115,20 +112,21 @@ static void ath_beacon_setup(struct ath_softc *sc,
 		rate |= rt->info[rix].shortPreamble;
 
 	ath9k_hw_set11n_txdesc(ah, ds,
-			       skb->len + FCS_LEN, /* frame length */
-			       ATH9K_PKT_TYPE_BEACON, /* Atheros packet type */
+			       skb->len + FCS_LEN,     /* frame length */
+			       ATH9K_PKT_TYPE_BEACON,  /* Atheros packet type */
 			       avp->av_btxctl.txpower, /* txpower XXX */
-			       ATH9K_TXKEYIX_INVALID, /* no encryption */
-			       ATH9K_KEY_TYPE_CLEAR, /* no encryption */
-			       flags /* no ack, veol for beacons */
+			       ATH9K_TXKEYIX_INVALID,  /* no encryption */
+			       ATH9K_KEY_TYPE_CLEAR,   /* no encryption */
+			       flags                   /* no ack,
+							  veol for beacons */
 		);
 
 	/* NB: beacon's BufLen must be a multiple of 4 bytes */
 	ath9k_hw_filltxdesc(ah, ds,
 			    roundup(skb->len, 4), /* buffer length */
-			    true, /* first segment */
-			    true, /* last segment */
-			    ds /* first descriptor */
+			    true,                 /* first segment */
+			    true,                 /* last segment */
+			    ds                    /* first descriptor */
 		);
 
 	memzero(series, sizeof(struct ath9k_11n_rate_series) * 4);
@@ -153,22 +151,23 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
 	struct ath_buf *bf;
 	struct ath_vap *avp;
 	struct sk_buff *skb;
-	int cabq_depth;
 	struct ath_txq *cabq;
 	struct ieee80211_tx_info *info;
+	int cabq_depth;
+
 	avp = sc->sc_vaps[if_id];
+	ASSERT(avp);
 
 	cabq = sc->sc_cabq;
 
-	ASSERT(avp);
-
 	if (avp->av_bcbuf == NULL) {
 		DPRINTF(sc, ATH_DBG_BEACON, "%s: avp=%p av_bcbuf=%p\n",
 			__func__, avp, avp->av_bcbuf);
 		return NULL;
 	}
+
 	bf = avp->av_bcbuf;
-	skb = (struct sk_buff *) bf->bf_mpdu;
+	skb = (struct sk_buff *)bf->bf_mpdu;
 	if (skb) {
 		pci_unmap_single(sc->pdev, bf->bf_dmacontext,
 				 skb_end_pointer(skb) - skb->head,
@@ -179,17 +178,19 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
 	bf->bf_mpdu = skb;
 	if (skb == NULL)
 		return NULL;
+
 	info = IEEE80211_SKB_CB(skb);
 	if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
 		/*
 		 * TODO: make sure the seq# gets assigned properly (vs. other
 		 * TX frames)
 		 */
-		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 		sc->seq_no += 0x10;
 		hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
 		hdr->seq_ctrl |= cpu_to_le16(sc->seq_no);
 	}
+
 	bf->bf_buf_addr = bf->bf_dmacontext =
 		pci_map_single(sc->pdev, skb->data,
 			       skb_end_pointer(skb) - skb->head,
@@ -241,7 +242,6 @@ static struct ath_buf *ath_beacon_generate(struct ath_softc *sc, int if_id)
  * Startup beacon transmission for adhoc mode when they are sent entirely
  * by the hardware using the self-linked descriptor + veol trick.
 */
-
 static void ath_beacon_start_adhoc(struct ath_softc *sc, int if_id)
 {
 	struct ath_hal *ah = sc->sc_ah;
@@ -278,7 +278,6 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc, int if_id)
  *  min/max, and enable aifs). The info structure does not need to be
  *  persistant.
 */
-
 int ath_beaconq_setup(struct ath_hal *ah)
 {
 	struct ath9k_tx_queue_info qi;
@@ -299,26 +298,24 @@ int ath_beaconq_setup(struct ath_hal *ah)
  *  the ATH interface.  This routine also calculates the beacon "slot" for
  *  staggared beacons in the mBSSID case.
 */
-
 int ath_beacon_alloc(struct ath_softc *sc, int if_id)
 {
 	struct ath_vap *avp;
-	struct ieee80211_hdr *wh;
+	struct ieee80211_hdr *hdr;
 	struct ath_buf *bf;
 	struct sk_buff *skb;
+	__le64 tstamp;
 
 	avp = sc->sc_vaps[if_id];
 	ASSERT(avp);
 
 	/* Allocate a beacon descriptor if we haven't done so. */
 	if (!avp->av_bcbuf) {
-		/*
-		 * Allocate beacon state for hostap/ibss.  We know
-		 * a buffer is available.
-		 */
+		/* Allocate beacon state for hostap/ibss.  We know
+		 * a buffer is available. */
 
 		avp->av_bcbuf = list_first_entry(&sc->sc_bbuf,
-				struct ath_buf, list);
+						 struct ath_buf, list);
 		list_del(&avp->av_bcbuf->list);
 
 		if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP ||
@@ -362,9 +359,7 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
 	}
 
 	/*
-	 * NB: the beacon data buffer must be 32-bit aligned;
-	 * we assume the wbuf routines will return us something
-	 * with this alignment (perhaps should assert).
+	 * NB: the beacon data buffer must be 32-bit aligned.
 	 * FIXME: Fill avp->av_btxctl.txpower and
 	 * avp->av_btxctl.shortPreamble
 	 */
@@ -375,6 +370,9 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
 		return -ENOMEM;
 	}
 
+	tstamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
+	sc->bc_tstamp = le64_to_cpu(tstamp);
+
 	/*
 	 * Calculate a TSF adjustment factor required for
 	 * staggered beacons.  Note that we assume the format
@@ -408,8 +406,8 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
 			__func__, "stagger",
 			avp->av_bslot, intval, (unsigned long long)tsfadjust);
 
-		wh = (struct ieee80211_hdr *)skb->data;
-		memcpy(&wh[1], &val, sizeof(val));
+		hdr = (struct ieee80211_hdr *)skb->data;
+		memcpy(&hdr[1], &val, sizeof(val));
 	}
 
 	bf->bf_buf_addr = bf->bf_dmacontext =
@@ -425,9 +423,8 @@ int ath_beacon_alloc(struct ath_softc *sc, int if_id)
  *  Reclaim beacon resources and return buffer to the pool.
  *
  *  Checks the VAP to put the beacon frame buffer back to the ATH object
- *  queue, and de-allocates any wbuf frames that were sent as CAB traffic.
+ *  queue, and de-allocates any skbs that were sent as CAB traffic.
 */
-
 void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp)
 {
 	if (avp->av_bcbuf != NULL) {
@@ -459,10 +456,7 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp)
  * Transmit one or more beacon frames at SWBA.  Dynamic updates to the frame
  * contents are done as needed and the slot time is also adjusted based on
  * current state.
- *
- * This tasklet is not scheduled, it's called in ISR context.
 */
-
 void ath9k_beacon_tasklet(unsigned long data)
 {
 	struct ath_softc *sc = (struct ath_softc *)data;
@@ -490,6 +484,8 @@ void ath9k_beacon_tasklet(unsigned long data)
 	 * and wait for the next.  Missed beacons indicate
 	 * a problem and should not occur.  If we miss too
 	 * many consecutive beacons reset the device.
+	 *
+	 * FIXME: Clean up this mess !!
 	 */
 	if (ath9k_hw_numtxpending(ah, sc->sc_bhalq) != 0) {
 		sc->sc_bmisscount++;
@@ -505,19 +501,16 @@ void ath9k_beacon_tasklet(unsigned long data)
 					__func__, sc->sc_bmisscount);
 				if (show_cycles) {
 					/*
-					 * Display cycle counter stats
-					 * from HW to aide in debug of
-					 * stickiness.
+					 * Display cycle counter stats from HW
+					 * to aide in debug of stickiness.
 					 */
-					DPRINTF(sc,
-						ATH_DBG_BEACON,
+					DPRINTF(sc, ATH_DBG_BEACON,
 						"%s: busy times: rx_clear=%d, "
 						"rx_frame=%d, tx_frame=%d\n",
 						__func__, rx_clear, rx_frame,
 						tx_frame);
 				} else {
-					DPRINTF(sc,
-						ATH_DBG_BEACON,
+					DPRINTF(sc, ATH_DBG_BEACON,
 						"%s: unable to obtain "
 						"busy times\n", __func__);
 				}
@@ -529,8 +522,7 @@ void ath9k_beacon_tasklet(unsigned long data)
 		} else if (sc->sc_bmisscount >= BSTUCK_THRESH) {
 			if (sc->sc_flags & SC_OP_NO_RESET) {
 				if (sc->sc_bmisscount == BSTUCK_THRESH) {
-					DPRINTF(sc,
-						ATH_DBG_BEACON,
+					DPRINTF(sc, ATH_DBG_BEACON,
 						"%s: beacon is officially "
 						"stuck\n", __func__);
 					ath9k_hw_dmaRegDump(ah);
@@ -542,13 +534,12 @@ void ath9k_beacon_tasklet(unsigned long data)
 				ath_bstuck_process(sc);
 			}
 		}
-
 		return;
 	}
+
 	if (sc->sc_bmisscount != 0) {
 		if (sc->sc_flags & SC_OP_NO_RESET) {
-			DPRINTF(sc,
-				ATH_DBG_BEACON,
+			DPRINTF(sc, ATH_DBG_BEACON,
 				"%s: resume beacon xmit after %u misses\n",
 				__func__, sc->sc_bmisscount);
 		} else {
@@ -572,10 +563,12 @@ void ath9k_beacon_tasklet(unsigned long data)
 	tsftu = TSF_TO_TU(tsf>>32, tsf);
 	slot = ((tsftu % intval) * ATH_BCBUF) / intval;
 	if_id = sc->sc_bslot[(slot + 1) % ATH_BCBUF];
+
 	DPRINTF(sc, ATH_DBG_BEACON,
-			"%s: slot %d [tsf %llu tsftu %u intval %u] if_id %d\n",
-			__func__, slot, (unsigned long long) tsf, tsftu,
-			intval, if_id);
+		"%s: slot %d [tsf %llu tsftu %u intval %u] if_id %d\n",
+		__func__, slot, (unsigned long long)tsf, tsftu,
+		intval, if_id);
+
 	bfaddr = 0;
 	if (if_id != ATH_IF_ID_ANY) {
 		bf = ath_beacon_generate(sc, if_id);
@@ -632,9 +625,8 @@ void ath9k_beacon_tasklet(unsigned long data)
  *  Tasklet for Beacon Stuck processing
  *
  *  Processing for Beacon Stuck.
- *  Basically calls the ath_internal_reset function to reset the chip.
+ *  Basically resets the chip.
 */
-
 void ath_bstuck_process(struct ath_softc *sc)
 {
 	DPRINTF(sc, ATH_DBG_BEACON,
@@ -658,13 +650,12 @@ void ath_bstuck_process(struct ath_softc *sc)
  * interrupt when we stop seeing beacons from the AP
  * we've associated with.
  */
-
 void ath_beacon_config(struct ath_softc *sc, int if_id)
 {
 	struct ath_hal *ah = sc->sc_ah;
-	u32 nexttbtt, intval;
 	struct ath_beacon_config conf;
 	enum ath9k_opmode av_opmode;
+	u32 nexttbtt, intval;
 
 	if (if_id != ATH_IF_ID_ANY)
 		av_opmode = sc->sc_vaps[if_id]->av_opmode;
@@ -673,12 +664,6 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 
 	memzero(&conf, sizeof(struct ath_beacon_config));
 
-	/* FIXME: Use default values for now - Sujith */
-	/* Query beacon configuration first */
-	/*
-	 * Protocol stack doesn't support dynamic beacon configuration,
-	 * use default configurations.
-	 */
 	conf.beacon_interval = sc->hw->conf.beacon_int ?
 		sc->hw->conf.beacon_int : ATH_DEFAULT_BINTVAL;
 	conf.listen_interval = 1;
@@ -687,8 +672,8 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 	conf.bmiss_timeout = ATH_DEFAULT_BMISS_LIMIT * conf.beacon_interval;
 
 	/* extract tstamp from last beacon and convert to TU */
-	nexttbtt = TSF_TO_TU(get_unaligned_le32(conf.u.last_tstamp + 4),
-			     get_unaligned_le32(conf.u.last_tstamp));
+	nexttbtt = TSF_TO_TU(sc->bc_tstamp >> 32, sc->bc_tstamp);
+
 	/* XXX conditionalize multi-bss support? */
 	if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) {
 		/*
@@ -704,12 +689,14 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 		intval = conf.beacon_interval & ATH9K_BEACON_PERIOD;
 	}
 
-	if (nexttbtt == 0)      /* e.g. for ap mode */
+	if (nexttbtt == 0)	/* e.g. for ap mode */
 		nexttbtt = intval;
-	else if (intval)        /* NB: can be 0 for monitor mode */
+	else if (intval)	/* NB: can be 0 for monitor mode */
 		nexttbtt = roundup(nexttbtt, intval);
+
 	DPRINTF(sc, ATH_DBG_BEACON, "%s: nexttbtt %u intval %u (%u)\n",
 		__func__, nexttbtt, intval, conf.beacon_interval);
+
 	/* Check for ATH9K_M_HOSTAP and sc_nostabeacons for WDS client */
 	if (sc->sc_ah->ah_opmode == ATH9K_M_STA) {
 		struct ath9k_beacon_state bs;
@@ -723,19 +710,19 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 		 * last beacon we received (which may be none).
 		 */
 		dtimperiod = conf.dtim_period;
-		if (dtimperiod <= 0)        /* NB: 0 if not known */
+		if (dtimperiod <= 0)		/* NB: 0 if not known */
 			dtimperiod = 1;
 		dtimcount = conf.dtim_count;
-		if (dtimcount >= dtimperiod)    /* NB: sanity check */
-			dtimcount = 0;      /* XXX? */
-		cfpperiod = 1;          /* NB: no PCF support yet */
+		if (dtimcount >= dtimperiod)	/* NB: sanity check */
+			dtimcount = 0;
+		cfpperiod = 1;			/* NB: no PCF support yet */
 		cfpcount = 0;
 
 		sleepduration = conf.listen_interval * intval;
 		if (sleepduration <= 0)
 			sleepduration = intval;
 
-#define FUDGE   2
+#define FUDGE 2
 		/*
 		 * Pull nexttbtt forward to reflect the current
 		 * TSF and calculate dtim+cfp state for the result.
@@ -759,6 +746,7 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 		bs.bs_cfpperiod = cfpperiod*bs.bs_dtimperiod;
 		bs.bs_cfpnext = bs.bs_nextdtim + cfpcount*bs.bs_dtimperiod;
 		bs.bs_cfpmaxduration = 0;
+
 		/*
 		 * Calculate the number of consecutive beacons to miss
 		 * before taking a BMISS interrupt.  The configuration
@@ -767,9 +755,8 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 		 * result to at most 15 beacons.
 		 */
 		if (sleepduration > intval) {
-			bs.bs_bmissthreshold =
-				conf.listen_interval *
-					ATH_DEFAULT_BMISS_LIMIT / 2;
+			bs.bs_bmissthreshold = conf.listen_interval *
+				ATH_DEFAULT_BMISS_LIMIT / 2;
 		} else {
 			bs.bs_bmissthreshold =
 				DIV_ROUND_UP(conf.bmiss_timeout, intval);
@@ -789,8 +776,8 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 		 * XXX fixed at 100ms
 		 */
 
-		bs.bs_sleepduration =
-			roundup(IEEE80211_MS_TO_TU(100), sleepduration);
+		bs.bs_sleepduration = roundup(IEEE80211_MS_TO_TU(100),
+					      sleepduration);
 		if (bs.bs_sleepduration > bs.bs_dtimperiod)
 			bs.bs_sleepduration = bs.bs_dtimperiod;
 
@@ -834,9 +821,9 @@ void ath_beacon_config(struct ath_softc *sc, int if_id)
 		if (sc->sc_ah->ah_opmode == ATH9K_M_IBSS) {
 			/*
 			 * Pull nexttbtt forward to reflect the current
-			 * TSF .
+			 * TSF
 			 */
-#define FUDGE   2
+#define FUDGE 2
 			if (!(intval & ATH9K_BEACON_RESET_TSF)) {
 				tsf = ath9k_hw_gettsf64(ah);
 				tsftu = TSF_TO_TU((u32)(tsf>>32),

drivers/net/wireless/ath9k/core.c

@@ -534,7 +534,8 @@ int ath_vap_attach(struct ath_softc *sc,
 	avp->av_opmode = opmode;
 	avp->av_bslot = -1;
 
-	ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
+	if (opmode == ATH9K_M_HOSTAP)
+		ath9k_hw_set_tsfadjust(sc->sc_ah, 1);
 
 	sc->sc_vaps[if_id] = avp;
 	sc->sc_nvaps++;

drivers/net/wireless/ath9k/core.h

@@ -1001,6 +1001,7 @@ struct ath_softc {
 	u32 sc_bhalq;
 	u32 sc_bmisscount;
 	u32 ast_be_xmit;	/* beacons transmitted */
+	u64 bc_tstamp;
 
 	/* Rate */
 	struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];

drivers/net/wireless/ath9k/hw.c

@@ -2526,6 +2526,11 @@ static void ath9k_ani_reset(struct ath_hal *ah)
 	}
 }
 
+/*
+ * Process a MIB interrupt.  We may potentially be invoked because
+ * any of the MIB counters overflow/trigger so don't assume we're
+ * here because a PHY error counter triggered.
+ */
 void ath9k_hw_procmibevent(struct ath_hal *ah,
 			   const struct ath9k_node_stats *stats)
 {
@@ -2533,18 +2538,20 @@ void ath9k_hw_procmibevent(struct ath_hal *ah,
 	u32 phyCnt1, phyCnt2;
 
 	DPRINTF(ah->ah_sc, ATH_DBG_ANI, "Processing Mib Intr\n");
-
+	/* Reset these counters regardless */
 	REG_WRITE(ah, AR_FILT_OFDM, 0);
 	REG_WRITE(ah, AR_FILT_CCK, 0);
 	if (!(REG_READ(ah, AR_SLP_MIB_CTRL) & AR_SLP_MIB_PENDING))
 		REG_WRITE(ah, AR_SLP_MIB_CTRL, AR_SLP_MIB_CLEAR);
 
+	/* Clear the mib counters and save them in the stats */
 	ath9k_hw_update_mibstats(ah, &ahp->ah_mibStats);
 	ahp->ah_stats.ast_nodestats = *stats;
 
 	if (!DO_ANI(ah))
 		return;
 
+	/* NB: these are not reset-on-read */
 	phyCnt1 = REG_READ(ah, AR_PHY_ERR_1);
 	phyCnt2 = REG_READ(ah, AR_PHY_ERR_2);
 	if (((phyCnt1 & AR_MIBCNT_INTRMASK) == AR_MIBCNT_INTRMASK) ||
@@ -2552,6 +2559,7 @@ void ath9k_hw_procmibevent(struct ath_hal *ah,
 		struct ar5416AniState *aniState = ahp->ah_curani;
 		u32 ofdmPhyErrCnt, cckPhyErrCnt;
 
+		/* NB: only use ast_ani_*errs with AH_PRIVATE_DIAG */
 		ofdmPhyErrCnt = phyCnt1 - aniState->ofdmPhyErrBase;
 		ahp->ah_stats.ast_ani_ofdmerrs +=
 			ofdmPhyErrCnt - aniState->ofdmPhyErrCount;
@@ -2562,11 +2570,17 @@ void ath9k_hw_procmibevent(struct ath_hal *ah,
 			cckPhyErrCnt - aniState->cckPhyErrCount;
 		aniState->cckPhyErrCount = cckPhyErrCnt;
 
+		/*
+		 * NB: figure out which counter triggered.  If both
+		 * trigger we'll only deal with one as the processing
+		 * clobbers the error counter so the trigger threshold
+		 * check will never be true.
+		 */
 		if (aniState->ofdmPhyErrCount > aniState->ofdmTrigHigh)
 			ath9k_hw_ani_ofdm_err_trigger(ah);
 		if (aniState->cckPhyErrCount > aniState->cckTrigHigh)
 			ath9k_hw_ani_cck_err_trigger(ah);
-
+		/* NB: always restart to insure the h/w counters are reset */
 		ath9k_ani_restart(ah);
 	}
 }

drivers/net/wireless/ath9k/rc.c

@@ -20,6 +20,7 @@
  */
 
 #include "core.h"
+/* FIXME: remove this include! */
 #include "../net/mac80211/rate.h"
 
 static u32 tx_triglevel_max;
@@ -1812,20 +1813,18 @@ static void ath_rc_sib_init(struct ath_rate_node *ath_rc_priv)
 }
 
 
-static void ath_setup_rates(struct ieee80211_local *local, struct sta_info *sta)
+static void ath_setup_rates(struct ath_softc *sc,
+			    struct ieee80211_supported_band *sband,
+			    struct ieee80211_sta *sta,
+			    struct ath_rate_node *rc_priv)
 
 {
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_hw *hw = local_to_hw(local);
-	struct ath_softc *sc = hw->priv;
-	struct ath_rate_node *rc_priv = sta->rate_ctrl_priv;
 	int i, j = 0;
 
 	DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
 
-	sband =  local->hw.wiphy->bands[local->hw.conf.channel->band];
 	for (i = 0; i < sband->n_bitrates; i++) {
-		if (sta->sta.supp_rates[local->hw.conf.channel->band] & BIT(i)) {
+		if (sta->supp_rates[sband->band] & BIT(i)) {
 			rc_priv->neg_rates.rs_rates[j]
 				= (sband->bitrates[i].bitrate * 2) / 10;
 			j++;
@@ -1852,19 +1851,17 @@ void ath_rc_node_update(struct ieee80211_hw *hw, struct ath_rate_node *rc_priv)
 }
 
 /* Rate Control callbacks */
-static void ath_tx_status(void *priv, struct net_device *dev,
+static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
+			  struct ieee80211_sta *sta, void *priv_sta,
 			  struct sk_buff *skb)
 {
 	struct ath_softc *sc = priv;
 	struct ath_tx_info_priv *tx_info_priv;
 	struct ath_node *an;
-	struct sta_info *sta;
-	struct ieee80211_local *local;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr;
 	__le16 fc;
 
-	local = hw_to_local(sc->hw);
 	hdr = (struct ieee80211_hdr *)skb->data;
 	fc = hdr->frame_control;
 	tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
@@ -1873,8 +1870,7 @@ static void ath_tx_status(void *priv, struct net_device *dev,
 	an = ath_node_find(sc, hdr->addr1);
 	spin_unlock_bh(&sc->node_lock);
 
-	sta = sta_info_get(local, hdr->addr1);
-	if (!an || !sta || !ieee80211_is_data(fc)) {
+	if (!an || !priv_sta || !ieee80211_is_data(fc)) {
 		if (tx_info->driver_data[0] != NULL) {
 			kfree(tx_info->driver_data[0]);
 			tx_info->driver_data[0] = NULL;
@@ -1882,24 +1878,22 @@ static void ath_tx_status(void *priv, struct net_device *dev,
 		return;
 	}
 	if (tx_info->driver_data[0] != NULL) {
-		ath_rate_tx_complete(sc, an, sta->rate_ctrl_priv, tx_info_priv);
+		ath_rate_tx_complete(sc, an, priv_sta, tx_info_priv);
 		kfree(tx_info->driver_data[0]);
 		tx_info->driver_data[0] = NULL;
 	}
 }
 
 static void ath_tx_aggr_resp(struct ath_softc *sc,
-			     struct sta_info *sta,
+			     struct ieee80211_supported_band *sband,
+			     struct ieee80211_sta *sta,
 			     struct ath_node *an,
 			     u8 tidno)
 {
-	struct ieee80211_hw *hw = sc->hw;
-	struct ieee80211_local *local;
 	struct ath_atx_tid *txtid;
-	struct ieee80211_supported_band *sband;
 	u16 buffersize = 0;
 	int state;
-	DECLARE_MAC_BUF(mac);
+	struct sta_info *si;
 
 	if (!(sc->sc_flags & SC_OP_TXAGGR))
 		return;
@@ -1908,11 +1902,16 @@ static void ath_tx_aggr_resp(struct ath_softc *sc,
 	if (!txtid->paused)
 		return;
 
-	local = hw_to_local(sc->hw);
-	sband = hw->wiphy->bands[hw->conf.channel->band];
+	/*
+	 * XXX: This is entirely busted, we aren't supposed to
+	 *	access the sta from here because it's internal
+	 *	to mac80211, and looking at the state without
+	 *	locking is wrong too.
+	 */
+	si = container_of(sta, struct sta_info, sta);
 	buffersize = IEEE80211_MIN_AMPDU_BUF <<
 		sband->ht_info.ampdu_factor; /* FIXME */
-	state = sta->ampdu_mlme.tid_state_tx[tidno];
+	state = si->ampdu_mlme.tid_state_tx[tidno];
 
 	if (state & HT_ADDBA_RECEIVED_MSK) {
 		txtid->addba_exchangecomplete = 1;
@@ -1928,18 +1927,15 @@ static void ath_tx_aggr_resp(struct ath_softc *sc,
 	}
 }
 
-static void ath_get_rate(void *priv, struct net_device *dev,
-			 struct ieee80211_supported_band *sband,
-			 struct sk_buff *skb,
-			 struct rate_selection *sel)
+static void ath_get_rate(void *priv, struct ieee80211_supported_band *sband,
+			 struct ieee80211_sta *sta, void *priv_sta,
+			 struct sk_buff *skb, struct rate_selection *sel)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta;
-	struct ath_softc *sc = (struct ath_softc *)priv;
+	struct ath_softc *sc = priv;
 	struct ieee80211_hw *hw = sc->hw;
 	struct ath_tx_info_priv *tx_info_priv;
-	struct ath_rate_node *ath_rc_priv;
+	struct ath_rate_node *ath_rc_priv = priv_sta;
 	struct ath_node *an;
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	int is_probe = FALSE, chk, ret;
@@ -1955,8 +1951,7 @@ static void ath_get_rate(void *priv, struct net_device *dev,
 	ASSERT(tx_info->driver_data[0] != NULL);
 	tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
 
-	sta = sta_info_get(local, hdr->addr1);
-	lowest_idx = rate_lowest_index(local, sband, sta);
+	lowest_idx = rate_lowest_index(sband, sta);
 	tx_info_priv->min_rate = (sband->bitrates[lowest_idx].bitrate * 2) / 10;
 	/* lowest rate for management and multicast/broadcast frames */
 	if (!ieee80211_is_data(fc) ||
@@ -1965,8 +1960,6 @@ static void ath_get_rate(void *priv, struct net_device *dev,
 		return;
 	}
 
-	ath_rc_priv = sta->rate_ctrl_priv;
-
 	/* Find tx rate for unicast frames */
 	ath_rate_findrate(sc, ath_rc_priv,
 			  ATH_11N_TXMAXTRY, 4,
@@ -1975,8 +1968,7 @@ static void ath_get_rate(void *priv, struct net_device *dev,
 			  &is_probe,
 			  false);
 	if (is_probe)
-		sel->probe_idx = ((struct ath_tx_ratectrl *)
-				  sta->rate_ctrl_priv)->probe_rate;
+		sel->probe_idx = ath_rc_priv->tx_ratectrl.probe_rate;
 
 	/* Ratecontrol sometimes returns invalid rate index */
 	if (tx_info_priv->rcs[0].rix != 0xff)
@@ -2020,37 +2012,31 @@ static void ath_get_rate(void *priv, struct net_device *dev,
 						__func__,
 						print_mac(mac, hdr->addr1));
 			} else if (chk == AGGR_EXCHANGE_PROGRESS)
-				ath_tx_aggr_resp(sc, sta, an, tid);
+				ath_tx_aggr_resp(sc, sband, sta, an, tid);
 		}
 	}
 }
 
-static void ath_rate_init(void *priv, void *priv_sta,
-			  struct ieee80211_local *local,
-			  struct sta_info *sta)
+static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
+                          struct ieee80211_sta *sta, void *priv_sta)
 {
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_hw *hw = local_to_hw(local);
-	struct ieee80211_conf *conf = &local->hw.conf;
-	struct ath_softc *sc = hw->priv;
+	struct ath_softc *sc = priv;
 	struct ath_rate_node *ath_rc_priv = priv_sta;
 	int i, j = 0;
 
 	DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-	ath_setup_rates(local, sta);
-	if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
+	ath_setup_rates(sc, sband, sta, ath_rc_priv);
+	if (sc->hw->conf.flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
 		for (i = 0; i < MCS_SET_SIZE; i++) {
-			if (conf->ht_conf.supp_mcs_set[i/8] & (1<<(i%8)))
+			if (sc->hw->conf.ht_conf.supp_mcs_set[i/8] & (1<<(i%8)))
 				ath_rc_priv->neg_ht_rates.rs_rates[j++] = i;
 			if (j == ATH_RATE_MAX)
 				break;
 		}
 		ath_rc_priv->neg_ht_rates.rs_nrates = j;
 	}
-	ath_rc_node_update(hw, priv_sta);
+	ath_rc_node_update(sc->hw, priv_sta);
 }
 
 static void ath_rate_clear(void *priv)
@@ -2058,13 +2044,12 @@ static void ath_rate_clear(void *priv)
 	return;
 }
 
-static void *ath_rate_alloc(struct ieee80211_local *local)
+static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
 {
-	struct ieee80211_hw *hw = local_to_hw(local);
 	struct ath_softc *sc = hw->priv;
 
 	DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
-	return local->hw.priv;
+	return hw->priv;
 }
 
 static void ath_rate_free(void *priv)
@@ -2072,7 +2057,7 @@ static void ath_rate_free(void *priv)
 	return;
 }
 
-static void *ath_rate_alloc_sta(void *priv, gfp_t gfp)
+static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
 {
 	struct ath_softc *sc = priv;
 	struct ath_vap *avp = sc->sc_vaps[0];
@@ -2092,7 +2077,8 @@ static void *ath_rate_alloc_sta(void *priv, gfp_t gfp)
 	return rate_priv;
 }
 
-static void ath_rate_free_sta(void *priv, void *priv_sta)
+static void ath_rate_free_sta(void *priv, struct ieee80211_sta *sta,
+			      void *priv_sta)
 {
 	struct ath_rate_node *rate_priv = priv_sta;
 	struct ath_softc *sc = priv;
@@ -2111,7 +2097,7 @@ static struct rate_control_ops ath_rate_ops = {
 	.alloc = ath_rate_alloc,
 	.free = ath_rate_free,
 	.alloc_sta = ath_rate_alloc_sta,
-	.free_sta = ath_rate_free_sta
+	.free_sta = ath_rate_free_sta,
 };
 
 int ath_rate_control_register(void)

drivers/net/wireless/atmel.c

@@ -2258,7 +2258,7 @@ static int atmel_get_freq(struct net_device *dev,
 
 static int atmel_set_scan(struct net_device *dev,
 			  struct iw_request_info *info,
-			  struct iw_param *vwrq,
+			  struct iw_point *dwrq,
 			  char *extra)
 {
 	struct atmel_private *priv = netdev_priv(dev);

drivers/net/wireless/atmel_cs.c

@@ -158,7 +158,7 @@ static int atmel_probe(struct pcmcia_device *p_dev)
 	DEBUG(0, "atmel_attach()\n");
 
 	/* Interrupt setup */
-	p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
+	p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
 	p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	p_dev->irq.Handler = NULL;
 

drivers/net/wireless/b43/rfkill.c

@@ -188,6 +188,11 @@ void b43_rfkill_init(struct b43_wldev *dev)
 			"The built-in radio LED will not work.\n");
 #endif /* CONFIG_RFKILL_INPUT */
 
+#if !defined(CONFIG_RFKILL_INPUT) && !defined(CONFIG_RFKILL_INPUT_MODULE)
+	b43warn(wl, "The rfkill-input subsystem is not available. "
+		"The built-in radio LED will not work.\n");
+#endif
+
 	err = input_register_polled_device(rfk->poll_dev);
 	if (err)
 		goto err_unreg_rfk;

drivers/net/wireless/iwlwifi/iwl-3945-rs.c

@@ -36,8 +36,6 @@
 
 #include <linux/workqueue.h>
 
-#include "../net/mac80211/rate.h"
-
 #include "iwl-3945.h"
 
 #define RS_NAME "iwl-3945-rs"
@@ -319,10 +317,10 @@ static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta,
 	}
 }
 
-static void rs_rate_init(void *priv_rate, void *priv_sta,
-			 struct ieee80211_local *local, struct sta_info *sta)
+static void rs_rate_init(void *priv, struct ieee80211_supported_band *sband,
+			 struct ieee80211_sta *sta, void *priv_sta)
 {
-	struct iwl3945_rs_sta *rs_sta = (void *)sta->rate_ctrl_priv;
+	struct iwl3945_rs_sta *rs_sta = priv_sta;
 	int i;
 
 	IWL_DEBUG_RATE("enter\n");
@@ -333,22 +331,22 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 	 * after assoc.. */
 
 	for (i = IWL_RATE_COUNT - 1; i >= 0; i--) {
-		if (sta->sta.supp_rates[local->hw.conf.channel->band] & (1 << i)) {
+		if (sta->supp_rates[sband->band] & (1 << i)) {
 			rs_sta->last_txrate_idx = i;
 			break;
 		}
 	}
 
 	/* For 5 GHz band it start at IWL_FIRST_OFDM_RATE */
-	if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
+	if (sband->band == IEEE80211_BAND_5GHZ)
 		rs_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
 
 	IWL_DEBUG_RATE("leave\n");
 }
 
-static void *rs_alloc(struct ieee80211_local *local)
+static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
 {
-	return local->hw.priv;
+	return hw->priv;
 }
 
 /* rate scale requires free function to be implemented */
@@ -356,17 +354,24 @@ static void rs_free(void *priv)
 {
 	return;
 }
+
 static void rs_clear(void *priv)
 {
 	return;
 }
 
 
-static void *rs_alloc_sta(void *priv, gfp_t gfp)
+static void *rs_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
 {
 	struct iwl3945_rs_sta *rs_sta;
+	struct iwl3945_sta_priv *psta = (void *) sta->drv_priv;
 	int i;
 
+	/*
+	 * XXX: If it's using sta->drv_priv anyway, it might
+	 *	as well just put all the information there.
+	 */
+
 	IWL_DEBUG_RATE("enter\n");
 
 	rs_sta = kzalloc(sizeof(struct iwl3945_rs_sta), gfp);
@@ -375,6 +380,8 @@ static void *rs_alloc_sta(void *priv, gfp_t gfp)
 		return NULL;
 	}
 
+	psta->rs_sta = rs_sta;
+
 	spin_lock_init(&rs_sta->lock);
 
 	rs_sta->start_rate = IWL_RATE_INVALID;
@@ -400,10 +407,14 @@ static void *rs_alloc_sta(void *priv, gfp_t gfp)
 	return rs_sta;
 }
 
-static void rs_free_sta(void *priv, void *priv_sta)
+static void rs_free_sta(void *priv, struct ieee80211_sta *sta,
+			void *priv_sta)
 {
+	struct iwl3945_sta_priv *psta = (void *) sta->drv_priv;
 	struct iwl3945_rs_sta *rs_sta = priv_sta;
 
+	psta->rs_sta = NULL;
+
 	IWL_DEBUG_RATE("enter\n");
 	del_timer_sync(&rs_sta->rate_scale_flush);
 	kfree(rs_sta);
@@ -445,26 +456,19 @@ static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate)
  * NOTE: Uses iwl3945_priv->retry_rate for the # of retries attempted by
  * the hardware for each rate.
  */
-static void rs_tx_status(void *priv_rate,
-			 struct net_device *dev,
+static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband,
+			 struct ieee80211_sta *sta, void *priv_sta,
 			 struct sk_buff *skb)
 {
 	u8 retries, current_count;
 	int scale_rate_index, first_index, last_index;
 	unsigned long flags;
-	struct sta_info *sta;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 	struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct iwl3945_rs_sta *rs_sta;
-	struct ieee80211_supported_band *sband;
+	struct iwl3945_rs_sta *rs_sta = priv_sta;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
 	IWL_DEBUG_RATE("enter\n");
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-
 	retries = info->status.retry_count;
 	first_index = sband->bitrates[info->tx_rate_idx].hw_value;
 	if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) {
@@ -472,17 +476,11 @@ static void rs_tx_status(void *priv_rate,
 		return;
 	}
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-	if (!sta || !sta->rate_ctrl_priv) {
-		rcu_read_unlock();
+	if (!priv_sta) {
 		IWL_DEBUG_RATE("leave: No STA priv data to update!\n");
 		return;
 	}
 
-	rs_sta = (void *)sta->rate_ctrl_priv;
-
 	rs_sta->tx_packets++;
 
 	scale_rate_index = first_index;
@@ -549,8 +547,6 @@ static void rs_tx_status(void *priv_rate,
 
 	spin_unlock_irqrestore(&rs_sta->lock, flags);
 
-	rcu_read_unlock();
-
 	IWL_DEBUG_RATE("leave\n");
 
 	return;
@@ -634,16 +630,15 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta,
  * rate table and must reference the driver allocated rate table
  *
  */
-static void rs_get_rate(void *priv_rate, struct net_device *dev,
-			struct ieee80211_supported_band *sband,
-			struct sk_buff *skb,
-			struct rate_selection *sel)
+static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
+			struct ieee80211_sta *sta, void *priv_sta,
+			struct sk_buff *skb, struct rate_selection *sel)
 {
 	u8 low = IWL_RATE_INVALID;
 	u8 high = IWL_RATE_INVALID;
 	u16 high_low;
 	int index;
-	struct iwl3945_rs_sta *rs_sta;
+	struct iwl3945_rs_sta *rs_sta = priv_sta;
 	struct iwl3945_rate_scale_data *window = NULL;
 	int current_tpt = IWL_INV_TPT;
 	int low_tpt = IWL_INV_TPT;
@@ -651,34 +646,25 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
 	u32 fail_count;
 	s8 scale_action = 0;
 	unsigned long flags;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct sta_info *sta;
 	u16 fc, rate_mask;
-	struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_rate;
+	struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r;
 	DECLARE_MAC_BUF(mac);
 
 	IWL_DEBUG_RATE("enter\n");
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-
 	/* Send management frames and broadcast/multicast data using lowest
 	 * rate. */
 	fc = le16_to_cpu(hdr->frame_control);
 	if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
 	    is_multicast_ether_addr(hdr->addr1) ||
-	    !sta || !sta->rate_ctrl_priv) {
+	    !sta || !priv_sta) {
 		IWL_DEBUG_RATE("leave: No STA priv data to update!\n");
-		sel->rate_idx = rate_lowest_index(local, sband, sta);
-		rcu_read_unlock();
+		sel->rate_idx = rate_lowest_index(sband, sta);
 		return;
 	}
 
-	rs_sta = (void *)sta->rate_ctrl_priv;
-
-	rate_mask = sta->sta.supp_rates[sband->band];
+	rate_mask = sta->supp_rates[sband->band];
 	index = min(rs_sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1);
 
 	if (sband->band == IEEE80211_BAND_5GHZ)
@@ -811,8 +797,6 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
 	else
 		sel->rate_idx = rs_sta->last_txrate_idx;
 
-	rcu_read_unlock();
-
 	IWL_DEBUG_RATE("leave: %d\n", index);
 }
 
@@ -829,114 +813,28 @@ static struct rate_control_ops rs_ops = {
 	.free_sta = rs_free_sta,
 };
 
-int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct iwl3945_priv *priv = hw->priv;
-	struct iwl3945_rs_sta *rs_sta;
-	struct sta_info *sta;
-	unsigned long flags;
-	int count = 0, i;
-	u32 samples = 0, success = 0, good = 0;
-	unsigned long now = jiffies;
-	u32 max_time = 0;
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, priv->stations[sta_id].sta.sta.addr);
-	if (!sta || !sta->rate_ctrl_priv) {
-		if (sta)
-			IWL_DEBUG_RATE("leave - no private rate data!\n");
-		else
-			IWL_DEBUG_RATE("leave - no station!\n");
-		rcu_read_unlock();
-		return sprintf(buf, "station %d not found\n", sta_id);
-	}
-
-	rs_sta = (void *)sta->rate_ctrl_priv;
-	spin_lock_irqsave(&rs_sta->lock, flags);
-	i = IWL_RATE_54M_INDEX;
-	while (1) {
-		u64 mask;
-		int j;
-
-		count +=
-		    sprintf(&buf[count], " %2dMbs: ", iwl3945_rates[i].ieee / 2);
-
-		mask = (1ULL << (IWL_RATE_MAX_WINDOW - 1));
-		for (j = 0; j < IWL_RATE_MAX_WINDOW; j++, mask >>= 1)
-			buf[count++] =
-			    (rs_sta->win[i].data & mask) ? '1' : '0';
-
-		samples += rs_sta->win[i].counter;
-		good += rs_sta->win[i].success_counter;
-		success += rs_sta->win[i].success_counter *
-						iwl3945_rates[i].ieee;
-
-		if (rs_sta->win[i].stamp) {
-			int delta =
-			    jiffies_to_msecs(now - rs_sta->win[i].stamp);
-
-			if (delta > max_time)
-				max_time = delta;
-
-			count += sprintf(&buf[count], "%5dms\n", delta);
-		} else
-			buf[count++] = '\n';
-
-		j = iwl3945_get_prev_ieee_rate(i);
-		if (j == i)
-			break;
-		i = j;
-	}
-	spin_unlock_irqrestore(&rs_sta->lock, flags);
-	rcu_read_unlock();
-
-	/* Display the average rate of all samples taken.
-	 *
-	 * NOTE:  We multiple # of samples by 2 since the IEEE measurement
-	 * added from iwl3945_rates is actually 2X the rate */
-	if (samples)
-		count += sprintf(
-			&buf[count],
-			"\nAverage rate is %3d.%02dMbs over last %4dms\n"
-			"%3d%% success (%d good packets over %d tries)\n",
-			success / (2 * samples), (success * 5 / samples) % 10,
-			max_time, good * 100 / samples, good, samples);
-	else
-		count += sprintf(&buf[count], "\nAverage rate: 0Mbs\n");
-
-	return count;
-}
-
 void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
 {
 	struct iwl3945_priv *priv = hw->priv;
 	s32 rssi = 0;
 	unsigned long flags;
-	struct ieee80211_local *local = hw_to_local(hw);
 	struct iwl3945_rs_sta *rs_sta;
-	struct sta_info *sta;
+	struct ieee80211_sta *sta;
+	struct iwl3945_sta_priv *psta;
 
 	IWL_DEBUG_RATE("enter\n");
 
-	if (!local->rate_ctrl->ops->name ||
-	    strcmp(local->rate_ctrl->ops->name, RS_NAME)) {
-		IWL_WARNING("iwl-3945-rs not selected as rate control algo!\n");
-		IWL_DEBUG_RATE("leave - mac80211 picked the wrong RC algo.\n");
-		return;
-	}
-
 	rcu_read_lock();
 
-	sta = sta_info_get(local, priv->stations[sta_id].sta.sta.addr);
-	if (!sta || !sta->rate_ctrl_priv) {
+	sta = ieee80211_find_sta(hw, priv->stations[sta_id].sta.sta.addr);
+	psta = (void *) sta->drv_priv;
+	if (!sta || !psta) {
 		IWL_DEBUG_RATE("leave - no private rate data!\n");
 		rcu_read_unlock();
 		return;
 	}
 
-	rs_sta = (void *)sta->rate_ctrl_priv;
+	rs_sta = psta->rs_sta;
 
 	spin_lock_irqsave(&rs_sta->lock, flags);
 

drivers/net/wireless/iwlwifi/iwl-3945-rs.h

@@ -175,15 +175,6 @@ static inline u8 iwl3945_get_prev_ieee_rate(u8 rate_index)
 	return rate;
 }
 
-/**
- * iwl3945_fill_rs_info - Fill an output text buffer with the rate representation
- *
- * NOTE:  This is provided as a quick mechanism for a user to visualize
- * the performance of the rate control algorithm and is not meant to be
- * parsed software.
- */
-extern int iwl3945_fill_rs_info(struct ieee80211_hw *, char *buf, u8 sta_id);
-
 /**
  * iwl3945_rate_scale_init - Initialize the rate scale table based on assoc info
  *

drivers/net/wireless/iwlwifi/iwl-3945.h

@@ -73,6 +73,10 @@ extern struct pci_device_id iwl3945_hw_card_ids[];
 extern int iwl3945_param_hwcrypto;
 extern int iwl3945_param_queues_num;
 
+struct iwl3945_sta_priv {
+	struct iwl3945_rs_sta *rs_sta;
+};
+
 enum iwl3945_antenna {
 	IWL_ANTENNA_DIVERSITY,
 	IWL_ANTENNA_MAIN,

drivers/net/wireless/iwlwifi/iwl-agn-rs.c

@@ -35,8 +35,6 @@
 
 #include <linux/workqueue.h>
 
-#include "../net/mac80211/rate.h"
-
 #include "iwl-dev.h"
 #include "iwl-sta.h"
 #include "iwl-core.h"
@@ -169,9 +167,9 @@ struct iwl_lq_sta {
 };
 
 static void rs_rate_scale_perform(struct iwl_priv *priv,
-				   struct net_device *dev,
 				   struct ieee80211_hdr *hdr,
-				   struct sta_info *sta);
+				   struct ieee80211_sta *sta,
+				   struct iwl_lq_sta *lq_sta);
 static void rs_fill_link_cmd(const struct iwl_priv *priv,
 			     struct iwl_lq_sta *lq_sta, u32 rate_n_flags);
 
@@ -357,20 +355,20 @@ static u32 rs_tl_get_load(struct iwl_lq_sta *lq_data, u8 tid)
 
 static void rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
 				      struct iwl_lq_sta *lq_data, u8 tid,
-				      struct sta_info *sta)
+				      struct ieee80211_sta *sta)
 {
 	DECLARE_MAC_BUF(mac);
 
 	if (rs_tl_get_load(lq_data, tid) > IWL_AGG_LOAD_THRESHOLD) {
 		IWL_DEBUG_HT("Starting Tx agg: STA: %s tid: %d\n",
-				print_mac(mac, sta->sta.addr), tid);
-		ieee80211_start_tx_ba_session(priv->hw, sta->sta.addr, tid);
+				print_mac(mac, sta->addr), tid);
+		ieee80211_start_tx_ba_session(priv->hw, sta->addr, tid);
 	}
 }
 
 static void rs_tl_turn_on_agg(struct iwl_priv *priv, u8 tid,
 			      struct iwl_lq_sta *lq_data,
-			      struct sta_info *sta)
+			      struct ieee80211_sta *sta)
 {
 	if ((tid < TID_MAX_LOAD_COUNT))
 		rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta);
@@ -770,7 +768,8 @@ out:
 /*
  * mac80211 sends us Tx status
  */
-static void rs_tx_status(void *priv_rate, struct net_device *dev,
+static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
+			 struct ieee80211_sta *sta, void *priv_sta,
 			 struct sk_buff *skb)
 {
 	int status;
@@ -778,11 +777,9 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
 	int rs_index, index = 0;
 	struct iwl_lq_sta *lq_sta;
 	struct iwl_link_quality_cmd *table;
-	struct sta_info *sta;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = local_to_hw(local);
+	struct iwl_priv *priv = (struct iwl_priv *)priv_r;
+	struct ieee80211_hw *hw = priv->hw;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct iwl_rate_scale_data *window = NULL;
 	struct iwl_rate_scale_data *search_win = NULL;
@@ -808,15 +805,7 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
 	if (retries > 15)
 		retries = 15;
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-
-	if (!sta || !sta->rate_ctrl_priv)
-		goto out;
-
-
-	lq_sta = (struct iwl_lq_sta *)sta->rate_ctrl_priv;
+	lq_sta = (struct iwl_lq_sta *)priv_sta;
 
 	if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
 	    !lq_sta->ibss_sta_added)
@@ -962,9 +951,8 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
 	}
 
 	/* See if there's a better rate or modulation mode to try. */
-	rs_rate_scale_perform(priv, dev, hdr, sta);
+	rs_rate_scale_perform(priv, hdr, sta, lq_sta);
 out:
-	rcu_read_unlock();
 	return;
 }
 
@@ -1140,7 +1128,7 @@ static s32 rs_get_best_rate(struct iwl_priv *priv,
 static int rs_switch_to_mimo2(struct iwl_priv *priv,
 			     struct iwl_lq_sta *lq_sta,
 			     struct ieee80211_conf *conf,
-			     struct sta_info *sta,
+			     struct ieee80211_sta *sta,
 			     struct iwl_scale_tbl_info *tbl, int index)
 {
 	u16 rate_mask;
@@ -1148,10 +1136,10 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
 	s8 is_green = lq_sta->is_green;
 
 	if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
-	    !sta->sta.ht_info.ht_supported)
+	    !sta->ht_info.ht_supported)
 		return -1;
 
-	if (((sta->sta.ht_info.cap & IEEE80211_HT_CAP_SM_PS) >> 2)
+	if (((sta->ht_info.cap & IEEE80211_HT_CAP_SM_PS) >> 2)
 						== WLAN_HT_CAP_SM_PS_STATIC)
 		return -1;
 
@@ -1208,7 +1196,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
 static int rs_switch_to_siso(struct iwl_priv *priv,
 			     struct iwl_lq_sta *lq_sta,
 			     struct ieee80211_conf *conf,
-			     struct sta_info *sta,
+			     struct ieee80211_sta *sta,
 			     struct iwl_scale_tbl_info *tbl, int index)
 {
 	u16 rate_mask;
@@ -1216,7 +1204,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
 	s32 rate;
 
 	if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
-	    !sta->sta.ht_info.ht_supported)
+	    !sta->ht_info.ht_supported)
 		return -1;
 
 	IWL_DEBUG_RATE("LQ: try to switch to SISO\n");
@@ -1268,7 +1256,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
 static int rs_move_legacy_other(struct iwl_priv *priv,
 				struct iwl_lq_sta *lq_sta,
 				struct ieee80211_conf *conf,
-				struct sta_info *sta,
+				struct ieee80211_sta *sta,
 				int index)
 {
 	struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
@@ -1376,7 +1364,7 @@ out:
 static int rs_move_siso_to_other(struct iwl_priv *priv,
 				 struct iwl_lq_sta *lq_sta,
 				 struct ieee80211_conf *conf,
-				 struct sta_info *sta, int index)
+				 struct ieee80211_sta *sta, int index)
 {
 	u8 is_green = lq_sta->is_green;
 	struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
@@ -1487,7 +1475,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 static int rs_move_mimo_to_other(struct iwl_priv *priv,
 				 struct iwl_lq_sta *lq_sta,
 				 struct ieee80211_conf *conf,
-				 struct sta_info *sta, int index)
+				 struct ieee80211_sta *sta, int index)
 {
 	s8 is_green = lq_sta->is_green;
 	struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
@@ -1680,12 +1668,11 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta)
  * Do rate scaling and search for new modulation mode.
  */
 static void rs_rate_scale_perform(struct iwl_priv *priv,
-				  struct net_device *dev,
 				  struct ieee80211_hdr *hdr,
-				  struct sta_info *sta)
+				  struct ieee80211_sta *sta,
+				  struct iwl_lq_sta *lq_sta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = local_to_hw(local);
+	struct ieee80211_hw *hw = priv->hw;
 	struct ieee80211_conf *conf = &hw->conf;
 	int low = IWL_RATE_INVALID;
 	int high = IWL_RATE_INVALID;
@@ -1700,7 +1687,6 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 	__le16 fc;
 	u16 rate_mask;
 	u8 update_lq = 0;
-	struct iwl_lq_sta *lq_sta;
 	struct iwl_scale_tbl_info *tbl, *tbl1;
 	u16 rate_scale_index_msk = 0;
 	u32 rate;
@@ -1721,11 +1707,10 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 		return;
 	}
 
-	if (!sta || !sta->rate_ctrl_priv)
+	if (!sta || !lq_sta)
 		return;
 
-	lq_sta = (struct iwl_lq_sta *)sta->rate_ctrl_priv;
-	lq_sta->supp_rates = sta->sta.supp_rates[lq_sta->band];
+	lq_sta->supp_rates = sta->supp_rates[lq_sta->band];
 
 	tid = rs_tl_add_packet(lq_sta, hdr);
 
@@ -2064,9 +2049,9 @@ out:
 
 static void rs_initialize_lq(struct iwl_priv *priv,
 			     struct ieee80211_conf *conf,
-			     struct sta_info *sta)
+			     struct ieee80211_sta *sta,
+			     struct iwl_lq_sta *lq_sta)
 {
-	struct iwl_lq_sta *lq_sta;
 	struct iwl_scale_tbl_info *tbl;
 	int rate_idx;
 	int i;
@@ -2075,10 +2060,9 @@ static void rs_initialize_lq(struct iwl_priv *priv,
 	u8 active_tbl = 0;
 	u8 valid_tx_ant;
 
-	if (!sta || !sta->rate_ctrl_priv)
+	if (!sta || !lq_sta)
 		goto out;
 
-	lq_sta = (struct iwl_lq_sta *)sta->rate_ctrl_priv;
 	i = lq_sta->last_txrate_idx;
 
 	if ((lq_sta->lq.sta_id == 0xff) &&
@@ -2119,37 +2103,30 @@ static void rs_initialize_lq(struct iwl_priv *priv,
 	return;
 }
 
-static void rs_get_rate(void *priv_rate, struct net_device *dev,
-			struct ieee80211_supported_band *sband,
-			struct sk_buff *skb,
-			struct rate_selection *sel)
+static void rs_get_rate(void *priv_r, struct ieee80211_supported_band *sband,
+			struct ieee80211_sta *sta, void *priv_sta,
+			struct sk_buff *skb, struct rate_selection *sel)
 {
 
 	int i;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_conf *conf = &local->hw.conf;
+	struct iwl_priv *priv = (struct iwl_priv *)priv_r;
+	struct ieee80211_conf *conf = &priv->hw->conf;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	struct sta_info *sta;
 	__le16 fc;
-	struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
 	struct iwl_lq_sta *lq_sta;
 
 	IWL_DEBUG_RATE_LIMIT("rate scale calculate new rate for skb\n");
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-
 	/* Send management frames and broadcast/multicast data using lowest
 	 * rate. */
 	fc = hdr->frame_control;
 	if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) ||
-	    !sta || !sta->rate_ctrl_priv) {
-		sel->rate_idx = rate_lowest_index(local, sband, sta);
-		goto out;
+	    !sta || !priv_sta) {
+		sel->rate_idx = rate_lowest_index(sband, sta);
+		return;
 	}
 
-	lq_sta = (struct iwl_lq_sta *)sta->rate_ctrl_priv;
+	lq_sta = (struct iwl_lq_sta *)priv_sta;
 	i = lq_sta->last_txrate_idx;
 
 	if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
@@ -2167,23 +2144,22 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
 			lq_sta->lq.sta_id = sta_id;
 			lq_sta->lq.rs_table[0].rate_n_flags = 0;
 			lq_sta->ibss_sta_added = 1;
-			rs_initialize_lq(priv, conf, sta);
+			rs_initialize_lq(priv, conf, sta, lq_sta);
 		}
 	}
 
 	if ((i < 0) || (i > IWL_RATE_COUNT)) {
-		sel->rate_idx = rate_lowest_index(local, sband, sta);
-		goto out;
+		sel->rate_idx = rate_lowest_index(sband, sta);
+		return;
 	}
 
 	if (sband->band == IEEE80211_BAND_5GHZ)
 		i -= IWL_FIRST_OFDM_RATE;
 	sel->rate_idx = i;
-out:
-	rcu_read_unlock();
 }
 
-static void *rs_alloc_sta(void *priv_rate, gfp_t gfp)
+static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta,
+			  gfp_t gfp)
 {
 	struct iwl_lq_sta *lq_sta;
 	struct iwl_priv *priv;
@@ -2206,20 +2182,16 @@ static void *rs_alloc_sta(void *priv_rate, gfp_t gfp)
 	return lq_sta;
 }
 
-static void rs_rate_init(void *priv_rate, void *priv_sta,
-			 struct ieee80211_local *local,
-			 struct sta_info *sta)
+static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband,
+			 struct ieee80211_sta *sta, void *priv_sta)
 {
 	int i, j;
-	struct ieee80211_conf *conf = &local->hw.conf;
-	struct ieee80211_supported_band *sband;
-	struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
+	struct iwl_priv *priv = (struct iwl_priv *)priv_r;
+	struct ieee80211_conf *conf = &priv->hw->conf;
 	struct iwl_lq_sta *lq_sta = priv_sta;
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
 	lq_sta->flush_timer = 0;
-	lq_sta->supp_rates = sta->sta.supp_rates[sband->band];
+	lq_sta->supp_rates = sta->supp_rates[sband->band];
 	for (j = 0; j < LQ_SIZE; j++)
 		for (i = 0; i < IWL_RATE_COUNT; i++)
 			rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
@@ -2232,17 +2204,17 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 
 	lq_sta->ibss_sta_added = 0;
 	if (priv->iw_mode == NL80211_IFTYPE_AP) {
-		u8 sta_id = iwl_find_station(priv, sta->sta.addr);
+		u8 sta_id = iwl_find_station(priv, sta->addr);
 		DECLARE_MAC_BUF(mac);
 
 		/* for IBSS the call are from tasklet */
 		IWL_DEBUG_RATE("LQ: ADD station %s\n",
-			     print_mac(mac, sta->sta.addr));
+			     print_mac(mac, sta->addr));
 
 		if (sta_id == IWL_INVALID_STATION) {
 			IWL_DEBUG_RATE("LQ: ADD station %s\n",
-				       print_mac(mac, sta->sta.addr));
-			sta_id = iwl_add_station_flags(priv, sta->sta.addr,
+				       print_mac(mac, sta->addr));
+			sta_id = iwl_add_station_flags(priv, sta->addr,
 							0, CMD_ASYNC, NULL);
 		}
 		if ((sta_id != IWL_INVALID_STATION)) {
@@ -2256,11 +2228,11 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 	/* Find highest tx rate supported by hardware and destination station */
 	lq_sta->last_txrate_idx = 3;
 	for (i = 0; i < sband->n_bitrates; i++)
-		if (sta->sta.supp_rates[sband->band] & BIT(i))
+		if (sta->supp_rates[sband->band] & BIT(i))
 			lq_sta->last_txrate_idx = i;
 
 	/* For MODE_IEEE80211A, skip over cck rates in global rate table */
-	if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
+	if (sband->band == IEEE80211_BAND_5GHZ)
 		lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
 
 	lq_sta->is_dup = 0;
@@ -2301,7 +2273,7 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
 	lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID;
 	lq_sta->drv = priv;
 
-	rs_initialize_lq(priv, conf, sta);
+	rs_initialize_lq(priv, conf, sta, lq_sta);
 }
 
 static void rs_fill_link_cmd(const struct iwl_priv *priv,
@@ -2423,9 +2395,9 @@ static void rs_fill_link_cmd(const struct iwl_priv *priv,
 	lq_cmd->agg_params.agg_time_limit = cpu_to_le16(4000);
 }
 
-static void *rs_alloc(struct ieee80211_local *local)
+static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
 {
-	return local->hw.priv;
+	return hw->priv;
 }
 /* rate scale requires free function to be implemented */
 static void rs_free(void *priv_rate)
@@ -2446,12 +2418,12 @@ static void rs_clear(void *priv_rate)
 #endif /* CONFIG_IWLWIFI_DEBUG */
 }
 
-static void rs_free_sta(void *priv_rate, void *priv_sta)
+static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta,
+			void *priv_sta)
 {
 	struct iwl_lq_sta *lq_sta = priv_sta;
-	struct iwl_priv *priv;
+	struct iwl_priv *priv = priv_r;
 
-	priv = (struct iwl_priv *)priv_rate;
 	IWL_DEBUG_RATE("enter\n");
 	kfree(lq_sta);
 	IWL_DEBUG_RATE("leave\n");

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -2504,8 +2504,7 @@ static void iwl4965_post_associate(struct iwl_priv *priv)
 
 	priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
 
-	if (priv->current_ht_config.is_ht)
-		iwl_set_rxon_ht(priv, &priv->current_ht_config);
+	iwl_set_rxon_ht(priv, &priv->current_ht_config);
 
 	iwl_set_rxon_chain(priv);
 	priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id);
@@ -2568,8 +2567,6 @@ static void iwl4965_post_associate(struct iwl_priv *priv)
 	iwl_chain_noise_reset(priv);
 	priv->start_calib = 1;
 
-	/* we have just associated, don't start scan too early */
-	priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN;
 }
 
 static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
@@ -3171,6 +3168,10 @@ static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
 			priv->power_data.dtim_period = bss_conf->dtim_period;
 			priv->timestamp = bss_conf->timestamp;
 			priv->assoc_capability = bss_conf->assoc_capability;
+
+			/* we have just associated, don't start scan too early
+			 * leave time for EAPOL exchange to complete
+			 */
 			priv->next_scan_jiffies = jiffies +
 					IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
 			mutex_lock(&priv->mutex);
@@ -3189,9 +3190,9 @@ static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
 
 static int iwl_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t ssid_len)
 {
-	int ret;
 	unsigned long flags;
 	struct iwl_priv *priv = hw->priv;
+	int ret;
 
 	IWL_DEBUG_MAC80211("enter\n");
 
@@ -3210,20 +3211,27 @@ static int iwl_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t ssid_len)
 		goto out_unlock;
 	}
 
-	/* we don't schedule scan within next_scan_jiffies period */
+	/* We don't schedule scan within next_scan_jiffies period.
+	 * Avoid scanning during possible EAPOL exchange, return
+	 * success immediately.
+	 */
 	if (priv->next_scan_jiffies &&
 	    time_after(priv->next_scan_jiffies, jiffies)) {
 		IWL_DEBUG_SCAN("scan rejected: within next scan period\n");
-		ret = -EAGAIN;
+		queue_work(priv->workqueue, &priv->scan_completed);
+		ret = 0;
 		goto out_unlock;
 	}
+
 	/* if we just finished scan ask for delay */
 	if (iwl_is_associated(priv) && priv->last_scan_jiffies &&
 	    time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
 		IWL_DEBUG_SCAN("scan rejected: within previous scan period\n");
-		ret = -EAGAIN;
+		queue_work(priv->workqueue, &priv->scan_completed);
+		ret = 0;
 		goto out_unlock;
 	}
+
 	if (ssid_len) {
 		priv->one_direct_scan = 1;
 		priv->direct_ssid_len =  min_t(u8, ssid_len, IW_ESSID_MAX_SIZE);

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -646,8 +646,14 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
 	u32 val;
 
-	if (!ht_info->is_ht)
+	if (!ht_info->is_ht) {
+		rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
+			RXON_FLG_CHANNEL_MODE_PURE_40_MSK |
+			RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
+			RXON_FLG_FAT_PROT_MSK |
+			RXON_FLG_HT_PROT_MSK);
 		return;
+	}
 
 	/* Set up channel bandwidth:  20 MHz only, or 20/40 mixed if fat ok */
 	if (iwl_is_fat_tx_allowed(priv, NULL))
@@ -697,8 +703,12 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 }
 EXPORT_SYMBOL(iwl_set_rxon_ht);
 
-/*
- * Determine how many receiver/antenna chains to use.
+#define IWL_NUM_RX_CHAINS_MULTIPLE	3
+#define IWL_NUM_RX_CHAINS_SINGLE	2
+#define IWL_NUM_IDLE_CHAINS_DUAL	2
+#define IWL_NUM_IDLE_CHAINS_SINGLE	1
+
+/* Determine how many receiver/antenna chains to use.
  * More provides better reception via diversity.  Fewer saves power.
  * MIMO (dual stream) requires at least 2, but works better with 3.
  * This does not determine *which* chains to use, just how many.
@@ -711,9 +721,9 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
 	/* # of Rx chains to use when expecting MIMO. */
 	if (is_single || (!is_cam && (priv->current_ht_config.sm_ps ==
 						 WLAN_HT_CAP_SM_PS_STATIC)))
-		return 2;
+		return IWL_NUM_RX_CHAINS_SINGLE;
 	else
-		return 3;
+		return IWL_NUM_RX_CHAINS_MULTIPLE;
 }
 
 static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
@@ -724,10 +734,11 @@ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
 	switch (priv->current_ht_config.sm_ps) {
 	case WLAN_HT_CAP_SM_PS_STATIC:
 	case WLAN_HT_CAP_SM_PS_DYNAMIC:
-		idle_cnt = (is_cam) ? 2 : 1;
+		idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
+					IWL_NUM_IDLE_CHAINS_SINGLE;
 		break;
 	case WLAN_HT_CAP_SM_PS_DISABLED:
-		idle_cnt = (is_cam) ? active_cnt : 1;
+		idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
 		break;
 	case WLAN_HT_CAP_SM_PS_INVALID:
 	default:
@@ -796,7 +807,7 @@ void iwl_set_rxon_chain(struct iwl_priv *priv)
 
 	priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain);
 
-	if (!is_single && (active_rx_cnt >= 2) && is_cam)
+	if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam)
 		priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
 	else
 		priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;

drivers/net/wireless/iwlwifi/iwl-scan.c

@@ -463,11 +463,6 @@ void iwl_init_scan_params(struct iwl_priv *priv)
 
 int iwl_scan_initiate(struct iwl_priv *priv)
 {
-	if (priv->iw_mode == NL80211_IFTYPE_AP) {
-		IWL_ERROR("APs don't scan.\n");
-		return 0;
-	}
-
 	if (!iwl_is_ready_rf(priv)) {
 		IWL_DEBUG_SCAN("Aborting scan due to not ready.\n");
 		return -EIO;
@@ -479,8 +474,7 @@ int iwl_scan_initiate(struct iwl_priv *priv)
 	}
 
 	if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
-		IWL_DEBUG_SCAN("Scan request while abort pending.  "
-			       "Queuing.\n");
+		IWL_DEBUG_SCAN("Scan request while abort pending\n");
 		return -EAGAIN;
 	}
 

drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -1200,10 +1200,9 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 	/* If a Tx command is being handled and it isn't in the actual
 	 * command queue then there a command routing bug has been introduced
 	 * in the queue management code. */
-	if (txq_id != IWL_CMD_QUEUE_NUM)
-		IWL_ERROR("Error wrong command queue %d command id 0x%X\n",
-			  txq_id, pkt->hdr.cmd);
-	BUG_ON(txq_id != IWL_CMD_QUEUE_NUM);
+	if (WARN(txq_id != IWL_CMD_QUEUE_NUM,
+		 "wrong command queue %d, command id 0x%X\n", txq_id, pkt->hdr.cmd))
+		return;
 
 	cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge);
 	cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index];

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -7370,15 +7370,6 @@ static ssize_t show_temperature(struct device *d,
 
 static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL);
 
-static ssize_t show_rs_window(struct device *d,
-			      struct device_attribute *attr,
-			      char *buf)
-{
-	struct iwl3945_priv *priv = d->driver_data;
-	return iwl3945_fill_rs_info(priv->hw, buf, IWL_AP_ID);
-}
-static DEVICE_ATTR(rs_window, S_IRUGO, show_rs_window, NULL);
-
 static ssize_t show_tx_power(struct device *d,
 			     struct device_attribute *attr, char *buf)
 {
@@ -7840,7 +7831,6 @@ static struct attribute *iwl3945_sysfs_entries[] = {
 #endif
 	&dev_attr_power_level.attr,
 	&dev_attr_retry_rate.attr,
-	&dev_attr_rs_window.attr,
 	&dev_attr_statistics.attr,
 	&dev_attr_status.attr,
 	&dev_attr_temperature.attr,
@@ -7908,6 +7898,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	SET_IEEE80211_DEV(hw, &pdev->dev);
 
 	hw->rate_control_algorithm = "iwl-3945-rs";
+	hw->sta_data_size = sizeof(struct iwl3945_sta_priv);
 
 	IWL_DEBUG_INFO("*** LOAD DRIVER ***\n");
 	priv = hw->priv;

drivers/net/wireless/libertas/dev.h

@@ -58,6 +58,7 @@ struct lbs_802_11_security {
 	u8 WPA2enabled;
 	u8 wep_enabled;
 	u8 auth_mode;
+	u32 key_mgmt;
 };
 
 /** Current Basic Service Set State Structure */

drivers/net/wireless/libertas/wext.c

@@ -1598,8 +1598,20 @@ static int lbs_set_encodeext(struct net_device *dev,
 	}
 
 out:
-	if (ret == 0) {  /* key installation is time critical: postpone not! */
-		lbs_do_association_work(priv);
+	if (ret == 0) {
+		/* 802.1x and WPA rekeying must happen as quickly as possible,
+		 * especially during the 4-way handshake; thus if in
+		 * infrastructure mode, and either (a) 802.1x is enabled or
+		 * (b) WPA is being used, set the key right away.
+		 */
+		if (assoc_req->mode == IW_MODE_INFRA &&
+		    ((assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_802_1X) ||
+		     (assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_PSK) ||
+		      assoc_req->secinfo.WPAenabled ||
+		      assoc_req->secinfo.WPA2enabled)) {
+			lbs_do_association_work(priv);
+		} else
+			lbs_postpone_association_work(priv);
 	} else {
 		lbs_cancel_association_work(priv);
 	}
@@ -1707,13 +1719,17 @@ static int lbs_set_auth(struct net_device *dev,
 	case IW_AUTH_TKIP_COUNTERMEASURES:
 	case IW_AUTH_CIPHER_PAIRWISE:
 	case IW_AUTH_CIPHER_GROUP:
-	case IW_AUTH_KEY_MGMT:
 	case IW_AUTH_DROP_UNENCRYPTED:
 		/*
 		 * libertas does not use these parameters
 		 */
 		break;
 
+	case IW_AUTH_KEY_MGMT:
+		assoc_req->secinfo.key_mgmt = dwrq->value;
+		updated = 1;
+		break;
+
 	case IW_AUTH_WPA_VERSION:
 		if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
 			assoc_req->secinfo.WPAenabled = 0;
@@ -1793,6 +1809,10 @@ static int lbs_get_auth(struct net_device *dev,
 	lbs_deb_enter(LBS_DEB_WEXT);
 
 	switch (dwrq->flags & IW_AUTH_INDEX) {
+	case IW_AUTH_KEY_MGMT:
+		dwrq->value = priv->secinfo.key_mgmt;
+		break;
+
 	case IW_AUTH_WPA_VERSION:
 		dwrq->value = 0;
 		if (priv->secinfo.WPAenabled)

drivers/net/wireless/netwave_cs.c

@@ -398,7 +398,7 @@ static int netwave_probe(struct pcmcia_device *link)
     link->io.IOAddrLines = 5;
     
     /* Interrupt setup */
-    link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+    link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
     link->irq.IRQInfo1 = IRQ_LEVEL_ID;
     link->irq.Handler = &netwave_interrupt;
     

drivers/net/wireless/orinoco.c

@@ -5291,7 +5291,7 @@ static int orinoco_ioctl_getrid(struct net_device *dev,
 /* Trigger a scan (look for other cells in the vicinity) */
 static int orinoco_ioctl_setscan(struct net_device *dev,
 				 struct iw_request_info *info,
-				 struct iw_param *srq,
+				 struct iw_point *srq,
 				 char *extra)
 {
 	struct orinoco_private *priv = netdev_priv(dev);

drivers/net/wireless/orinoco_cs.c

@@ -121,7 +121,7 @@ orinoco_cs_probe(struct pcmcia_device *link)
 	link->priv = dev;
 
 	/* Interrupt setup */
-	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+	link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
 	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	link->irq.Handler = orinoco_interrupt;
 	link->irq.Instance = dev; 

drivers/net/wireless/ray_cs.c

@@ -325,7 +325,7 @@ static int ray_probe(struct pcmcia_device *p_dev)
     p_dev->io.IOAddrLines = 5;
 
     /* Interrupt setup. For PCMCIA, driver takes what's given */
-    p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+    p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
     p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
     p_dev->irq.Handler = &ray_interrupt;
 

drivers/net/wireless/rndis_wlan.c

@@ -1627,7 +1627,6 @@ static int rndis_iw_set_encode_ext(struct net_device *dev,
 static int rndis_iw_set_scan(struct net_device *dev,
     struct iw_request_info *info, union iwreq_data *wrqu, char *extra)
 {
-	struct iw_param *param = &wrqu->param;
 	struct usbnet *usbdev = dev->priv;
 	union iwreq_data evt;
 	int ret = -EINVAL;
@@ -1635,7 +1634,7 @@ static int rndis_iw_set_scan(struct net_device *dev,
 
 	devdbg(usbdev, "SIOCSIWSCAN");
 
-	if (param->flags == 0) {
+	if (wrqu->data.flags == 0) {
 		tmp = ccpu2(1);
 		ret = rndis_set_oid(usbdev, OID_802_11_BSSID_LIST_SCAN, &tmp,
 								sizeof(tmp));

drivers/net/wireless/rt2x00/rt2x00mac.c

@@ -543,7 +543,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	 * provided but key 0 is not, then the key is not found
 	 * by the hardware during RX).
 	 */
-	key->hw_key_idx = 0;
+	if (cmd == SET_KEY)
+		key->hw_key_idx = 0;
 
 	if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
 		set_key = rt2x00dev->ops->lib->config_pairwise_key;

drivers/net/wireless/rt2x00/rt61pci.c

@@ -381,7 +381,7 @@ static int rt61pci_config_shared_key(struct rt2x00_dev *rt2x00dev,
 		if (reg && reg == mask)
 			return -ENOSPC;
 
-		key->hw_key_idx += reg ? (ffz(reg) - 1) : 0;
+		key->hw_key_idx += reg ? ffz(reg) : 0;
 
 		/*
 		 * Upload key to hardware
@@ -477,7 +477,7 @@ static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 				return -ENOSPC;
 		}
 
-		key->hw_key_idx += reg ? (ffz(reg) - 1) : 0;
+		key->hw_key_idx += reg ? ffz(reg) : 0;
 
 		/*
 		 * Upload key to hardware

drivers/net/wireless/rt2x00/rt73usb.c

@@ -393,7 +393,7 @@ static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 		if (reg && reg == mask)
 			return -ENOSPC;
 
-		key->hw_key_idx += reg ? (ffz(reg) - 1) : 0;
+		key->hw_key_idx += reg ? ffz(reg) : 0;
 
 		/*
 		 * Upload key to hardware
@@ -494,7 +494,7 @@ static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 				return -ENOSPC;
 		}
 
-		key->hw_key_idx += reg ? (ffz(reg) - 1) : 0;
+		key->hw_key_idx += reg ? ffz(reg) : 0;
 
 		/*
 		 * Upload key to hardware

drivers/net/wireless/spectrum_cs.c

@@ -195,7 +195,7 @@ spectrum_cs_probe(struct pcmcia_device *link)
 	link->priv = dev;
 
 	/* Interrupt setup */
-	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+	link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
 	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	link->irq.Handler = orinoco_interrupt;
 	link->irq.Instance = dev; 

drivers/net/wireless/wavelan_cs.c

@@ -4496,7 +4496,7 @@ wavelan_probe(struct pcmcia_device *p_dev)
   p_dev->io.IOAddrLines = 3;
 
   /* Interrupt setup */
-  p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+  p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
   p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
   p_dev->irq.Handler = wavelan_interrupt;
 

drivers/net/wireless/wl3501_cs.c

@@ -1917,7 +1917,7 @@ static int wl3501_probe(struct pcmcia_device *p_dev)
 	p_dev->io.IOAddrLines	= 5;
 
 	/* Interrupt setup */
-	p_dev->irq.Attributes	= IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+	p_dev->irq.Attributes	= IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
 	p_dev->irq.IRQInfo1	= IRQ_LEVEL_ID;
 	p_dev->irq.Handler = wl3501_interrupt;
 

include/linux/ieee80211.h

@@ -471,6 +471,11 @@ struct ieee80211s_hdr {
 	u8 eaddr3[6];
 } __attribute__ ((packed));
 
+/* Mesh flags */
+#define MESH_FLAGS_AE_A4 	0x1
+#define MESH_FLAGS_AE_A5_A6	0x2
+#define MESH_FLAGS_PS_DEEP	0x4
+
 /**
  * struct ieee80211_quiet_ie
  *

include/net/cfg80211.h

@@ -363,11 +363,13 @@ struct wiphy;
  * wireless extensions but this is subject to reevaluation as soon as this
  * code is used more widely and we have a first user without wext.
  *
- * @add_virtual_intf: create a new virtual interface with the given name
+ * @add_virtual_intf: create a new virtual interface with the given name,
+ *	must set the struct wireless_dev's iftype.
  *
  * @del_virtual_intf: remove the virtual interface determined by ifindex.
  *
- * @change_virtual_intf: change type of virtual interface
+ * @change_virtual_intf: change type/configuration of virtual interface,
+ *	keep the struct wireless_dev's iftype updated.
  *
  * @add_key: add a key with the given parameters. @mac_addr will be %NULL
  *	when adding a group key.

include/net/mac80211.h

@@ -1800,4 +1800,72 @@ void ieee80211_notify_mac(struct ieee80211_hw *hw,
 struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
 					 const u8 *addr);
 
+
+/* Rate control API */
+/**
+ * struct rate_selection - rate information for/from rate control algorithms
+ *
+ * @rate_idx: selected transmission rate index
+ * @nonerp_idx: Non-ERP rate to use instead if ERP cannot be used
+ * @probe_idx: rate for probing (or -1)
+ * @max_rate_idx: maximum rate index that can be used, this is
+ *	input to the algorithm and will be enforced
+ */
+struct rate_selection {
+	s8 rate_idx, nonerp_idx, probe_idx, max_rate_idx;
+};
+
+struct rate_control_ops {
+	struct module *module;
+	const char *name;
+	void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
+	void (*clear)(void *priv);
+	void (*free)(void *priv);
+
+	void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);
+	void (*rate_init)(void *priv, struct ieee80211_supported_band *sband,
+			  struct ieee80211_sta *sta, void *priv_sta);
+	void (*free_sta)(void *priv, struct ieee80211_sta *sta,
+			 void *priv_sta);
+
+	void (*tx_status)(void *priv, struct ieee80211_supported_band *sband,
+			  struct ieee80211_sta *sta, void *priv_sta,
+			  struct sk_buff *skb);
+	void (*get_rate)(void *priv, struct ieee80211_supported_band *sband,
+			 struct ieee80211_sta *sta, void *priv_sta,
+			 struct sk_buff *skb,
+			 struct rate_selection *sel);
+
+	void (*add_sta_debugfs)(void *priv, void *priv_sta,
+				struct dentry *dir);
+	void (*remove_sta_debugfs)(void *priv, void *priv_sta);
+};
+
+static inline int rate_supported(struct ieee80211_sta *sta,
+				 enum ieee80211_band band,
+				 int index)
+{
+	return (sta == NULL || sta->supp_rates[band] & BIT(index));
+}
+
+static inline s8
+rate_lowest_index(struct ieee80211_supported_band *sband,
+		  struct ieee80211_sta *sta)
+{
+	int i;
+
+	for (i = 0; i < sband->n_bitrates; i++)
+		if (rate_supported(sta, sband->band, i))
+			return i;
+
+	/* warn when we cannot find a rate. */
+	WARN_ON(1);
+
+	return 0;
+}
+
+
+int ieee80211_rate_control_register(struct rate_control_ops *ops);
+void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
+
 #endif /* MAC80211_H */

include/net/wireless.h

@@ -223,9 +223,11 @@ struct wiphy {
  * the netdev.)
  *
  * @wiphy: pointer to hardware description
+ * @iftype: interface type
  */
 struct wireless_dev {
 	struct wiphy *wiphy;
+	enum nl80211_iftype iftype;
 
 	/* private to the generic wireless code */
 	struct list_head list;
@@ -328,6 +330,15 @@ extern int ieee80211_frequency_to_channel(int freq);
  */
 extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
 							 int freq);
+/**
+ * ieee80211_get_channel - get channel struct from wiphy for specified frequency
+ */
+static inline struct ieee80211_channel *
+ieee80211_get_channel(struct wiphy *wiphy, int freq)
+{
+	return __ieee80211_get_channel(wiphy, freq);
+}
+
 /**
  * __regulatory_hint - hint to the wireless core a regulatory domain
  * @wiphy: if a driver is providing the hint this is the driver's very
@@ -380,13 +391,4 @@ extern int __regulatory_hint(struct wiphy *wiphy, enum reg_set_by set_by,
  */
 extern int regulatory_hint(struct wiphy *wiphy,
 		const char *alpha2, struct ieee80211_regdomain *rd);
-
-/**
- * ieee80211_get_channel - get channel struct from wiphy for specified frequency
- */
-static inline struct ieee80211_channel *
-ieee80211_get_channel(struct wiphy *wiphy, int freq)
-{
-	return __ieee80211_get_channel(wiphy, freq);
-}
 #endif /* __NET_WIRELESS_H */

net/mac80211/cfg.c

@@ -82,7 +82,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
 				  enum nl80211_iftype type, u32 *flags,
 				  struct vif_params *params)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct net_device *dev;
 	struct ieee80211_sub_if_data *sdata;
 	int ret;
@@ -95,15 +94,15 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
 	if (!nl80211_type_check(type))
 		return -EINVAL;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	ret = ieee80211_if_change_type(sdata, type);
 	if (ret)
 		return ret;
 
+	if (netif_running(sdata->dev))
+		return -EBUSY;
+
 	if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 		ieee80211_sdata_set_mesh_id(sdata,
 					    params->mesh_id_len,
@@ -120,16 +119,12 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 			     u8 key_idx, u8 *mac_addr,
 			     struct key_params *params)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta = NULL;
 	enum ieee80211_key_alg alg;
 	struct ieee80211_key *key;
 	int err;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	switch (params->cipher) {
@@ -174,14 +169,10 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 			     u8 key_idx, u8 *mac_addr)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
 	int ret;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	rcu_read_lock();
@@ -222,7 +213,6 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 			     void (*callback)(void *cookie,
 					      struct key_params *params))
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta = NULL;
 	u8 seq[6] = {0};
@@ -232,9 +222,6 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 	u16 iv16;
 	int err = -ENOENT;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	rcu_read_lock();
@@ -310,12 +297,8 @@ static int ieee80211_config_default_key(struct wiphy *wiphy,
 					struct net_device *dev,
 					u8 key_idx)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	rcu_read_lock();
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -496,13 +479,9 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 				struct beacon_parameters *params)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct beacon_data *old;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (sdata->vif.type != NL80211_IFTYPE_AP)
@@ -519,13 +498,9 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 				struct beacon_parameters *params)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct beacon_data *old;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (sdata->vif.type != NL80211_IFTYPE_AP)
@@ -541,13 +516,9 @@ static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 
 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct beacon_data *old;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (sdata->vif.type != NL80211_IFTYPE_AP)
@@ -695,9 +666,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	struct ieee80211_sub_if_data *sdata;
 	int err;
 
-	if (dev == local->mdev || params->vlan == local->mdev)
-		return -EOPNOTSUPP;
-
 	/* Prevent a race with changing the rate control algorithm */
 	if (!netif_running(dev))
 		return -ENETDOWN;
@@ -725,7 +693,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 
 	sta_apply_parameters(local, sta, params);
 
-	rate_control_rate_init(sta, local);
+	rate_control_rate_init(sta);
 
 	rcu_read_lock();
 
@@ -752,9 +720,6 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (mac) {
@@ -786,9 +751,6 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 	struct sta_info *sta;
 	struct ieee80211_sub_if_data *vlansdata;
 
-	if (dev == local->mdev || params->vlan == local->mdev)
-		return -EOPNOTSUPP;
-
 	rcu_read_lock();
 
 	/* XXX: get sta belonging to dev */
@@ -828,9 +790,6 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 	struct sta_info *sta;
 	int err;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	if (!netif_running(dev))
 		return -ENETDOWN;
 
@@ -884,9 +843,6 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
 	struct mesh_path *mpath;
 	struct sta_info *sta;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	if (!netif_running(dev))
 		return -ENETDOWN;
 
@@ -958,13 +914,9 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 			       u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct mesh_path *mpath;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
@@ -986,13 +938,9 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 				 int idx, u8 *dst, u8 *next_hop,
 				 struct mpath_info *pinfo)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	struct mesh_path *mpath;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
@@ -1015,13 +963,9 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
 				struct net_device *dev,
 				struct bss_parameters *params)
 {
-	struct ieee80211_local *local = wiphy_priv(wiphy);
 	struct ieee80211_sub_if_data *sdata;
 	u32 changed = 0;
 
-	if (dev == local->mdev)
-		return -EOPNOTSUPP;
-
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	if (sdata->vif.type != NL80211_IFTYPE_AP)

net/mac80211/debugfs_sta.c

@@ -173,8 +173,7 @@ static ssize_t sta_agg_status_write(struct file *file,
 		const char __user *user_buf, size_t count, loff_t *ppos)
 {
 	struct sta_info *sta = file->private_data;
-	struct net_device *dev = sta->sdata->dev;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sta->sdata->local;
 	struct ieee80211_hw *hw = &local->hw;
 	u8 *da = sta->sta.addr;
 	static int tid_static_tx[16] = {0, 0, 0, 0, 0, 0, 0, 0,

net/mac80211/ieee80211_i.h

@@ -573,6 +573,10 @@ enum {
 /* maximum number of hardware queues we support. */
 #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES)
 
+struct ieee80211_master_priv {
+	struct ieee80211_local *local;
+};
+
 struct ieee80211_local {
 	/* embed the driver visible part.
 	 * don't cast (use the static inlines below), but we keep
@@ -720,6 +724,8 @@ struct ieee80211_local {
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct local_debugfsdentries {
+		struct dentry *rcdir;
+		struct dentry *rcname;
 		struct dentry *frequency;
 		struct dentry *antenna_sel_tx;
 		struct dentry *antenna_sel_rx;

net/mac80211/iface.c

@@ -625,6 +625,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
 	/* and set some type-dependent values */
 	sdata->vif.type = type;
 	sdata->dev->hard_start_xmit = ieee80211_subif_start_xmit;
+	sdata->wdev.iftype = type;
 
 	/* only monitor differs */
 	sdata->dev->type = ARPHRD_ETHER;

net/mac80211/main.c

@@ -106,7 +106,8 @@ static const struct header_ops ieee80211_header_ops = {
 
 static int ieee80211_master_open(struct net_device *dev)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+	struct ieee80211_local *local = mpriv->local;
 	struct ieee80211_sub_if_data *sdata;
 	int res = -EOPNOTSUPP;
 
@@ -128,7 +129,8 @@ static int ieee80211_master_open(struct net_device *dev)
 
 static int ieee80211_master_stop(struct net_device *dev)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+	struct ieee80211_local *local = mpriv->local;
 	struct ieee80211_sub_if_data *sdata;
 
 	/* we hold the RTNL here so can safely walk the list */
@@ -141,7 +143,8 @@ static int ieee80211_master_stop(struct net_device *dev)
 
 static void ieee80211_master_set_multicast_list(struct net_device *dev)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+	struct ieee80211_local *local = mpriv->local;
 
 	ieee80211_configure_filter(local);
 }
@@ -539,6 +542,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	u16 frag, type;
 	__le16 fc;
+	struct ieee80211_supported_band *sband;
 	struct ieee80211_tx_status_rtap_hdr *rthdr;
 	struct ieee80211_sub_if_data *sdata;
 	struct net_device *prev_dev = NULL;
@@ -585,7 +589,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 			sta->tx_retry_count += info->status.retry_count;
 		}
 
-		rate_control_tx_status(local->mdev, skb);
+		sband = local->hw.wiphy->bands[info->band];
+		rate_control_tx_status(local, sband, sta, skb);
 	}
 
 	rcu_read_unlock();
@@ -787,7 +792,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	int result;
 	enum ieee80211_band band;
 	struct net_device *mdev;
-	struct wireless_dev *mwdev;
+	struct ieee80211_master_priv *mpriv;
 
 	/*
 	 * generic code guarantees at least one band,
@@ -829,16 +834,14 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	if (hw->queues < 4)
 		hw->ampdu_queues = 0;
 
-	mdev = alloc_netdev_mq(sizeof(struct wireless_dev),
+	mdev = alloc_netdev_mq(sizeof(struct ieee80211_master_priv),
 			       "wmaster%d", ether_setup,
 			       ieee80211_num_queues(hw));
 	if (!mdev)
 		goto fail_mdev_alloc;
 
-	mwdev = netdev_priv(mdev);
-	mdev->ieee80211_ptr = mwdev;
-	mwdev->wiphy = local->hw.wiphy;
-
+	mpriv = netdev_priv(mdev);
+	mpriv->local = local;
 	local->mdev = mdev;
 
 	ieee80211_rx_bss_list_init(local);

net/mac80211/mesh.c

@@ -351,7 +351,7 @@ static void ieee80211_mesh_path_timer(unsigned long data)
 	struct ieee80211_sub_if_data *sdata =
 		(struct ieee80211_sub_if_data *) data;
 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
-	struct ieee80211_local *local = wdev_priv(&sdata->wdev);
+	struct ieee80211_local *local = sdata->local;
 
 	queue_work(local->hw.workqueue, &ifmsh->work);
 }

net/mac80211/mesh.h

@@ -71,6 +71,7 @@ enum mesh_path_flags {
  */
 struct mesh_path {
 	u8 dst[ETH_ALEN];
+	u8 mpp[ETH_ALEN];	/* used for MPP or MAP */
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *next_hop;
 	struct timer_list timer;
@@ -226,6 +227,9 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
 void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata);
 struct mesh_path *mesh_path_lookup(u8 *dst,
 		struct ieee80211_sub_if_data *sdata);
+struct mesh_path *mpp_path_lookup(u8 *dst,
+				  struct ieee80211_sub_if_data *sdata);
+int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata);
 struct mesh_path *mesh_path_lookup_by_idx(int idx,
 		struct ieee80211_sub_if_data *sdata);
 void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop);

net/mac80211/mesh_pathtbl.c

@@ -36,6 +36,7 @@ struct mpath_node {
 };
 
 static struct mesh_table *mesh_paths;
+static struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */
 
 /* This lock will have the grow table function as writer and add / delete nodes
  * as readers. When reading the table (i.e. doing lookups) we are well protected
@@ -94,6 +95,34 @@ struct mesh_path *mesh_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
 	return NULL;
 }
 
+struct mesh_path *mpp_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
+{
+	struct mesh_path *mpath;
+	struct hlist_node *n;
+	struct hlist_head *bucket;
+	struct mesh_table *tbl;
+	struct mpath_node *node;
+
+	tbl = rcu_dereference(mpp_paths);
+
+	bucket = &tbl->hash_buckets[mesh_table_hash(dst, sdata, tbl)];
+	hlist_for_each_entry_rcu(node, n, bucket, list) {
+		mpath = node->mpath;
+		if (mpath->sdata == sdata &&
+		    memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
+			if (MPATH_EXPIRED(mpath)) {
+				spin_lock_bh(&mpath->state_lock);
+				if (MPATH_EXPIRED(mpath))
+					mpath->flags &= ~MESH_PATH_ACTIVE;
+				spin_unlock_bh(&mpath->state_lock);
+			}
+			return mpath;
+		}
+	}
+	return NULL;
+}
+
+
 /**
  * mesh_path_lookup_by_idx - look up a path in the mesh path table by its index
  * @idx: index
@@ -226,6 +255,91 @@ err_path_alloc:
 }
 
 
+int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
+{
+	struct mesh_path *mpath, *new_mpath;
+	struct mpath_node *node, *new_node;
+	struct hlist_head *bucket;
+	struct hlist_node *n;
+	int grow = 0;
+	int err = 0;
+	u32 hash_idx;
+
+
+	if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
+		/* never add ourselves as neighbours */
+		return -ENOTSUPP;
+
+	if (is_multicast_ether_addr(dst))
+		return -ENOTSUPP;
+
+	err = -ENOMEM;
+	new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL);
+	if (!new_mpath)
+		goto err_path_alloc;
+
+	new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
+	if (!new_node)
+		goto err_node_alloc;
+
+	read_lock(&pathtbl_resize_lock);
+	memcpy(new_mpath->dst, dst, ETH_ALEN);
+	memcpy(new_mpath->mpp, mpp, ETH_ALEN);
+	new_mpath->sdata = sdata;
+	new_mpath->flags = 0;
+	skb_queue_head_init(&new_mpath->frame_queue);
+	new_node->mpath = new_mpath;
+	new_mpath->exp_time = jiffies;
+	spin_lock_init(&new_mpath->state_lock);
+
+	hash_idx = mesh_table_hash(dst, sdata, mpp_paths);
+	bucket = &mpp_paths->hash_buckets[hash_idx];
+
+	spin_lock(&mpp_paths->hashwlock[hash_idx]);
+
+	err = -EEXIST;
+	hlist_for_each_entry(node, n, bucket, list) {
+		mpath = node->mpath;
+		if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
+			goto err_exists;
+	}
+
+	hlist_add_head_rcu(&new_node->list, bucket);
+	if (atomic_inc_return(&mpp_paths->entries) >=
+		mpp_paths->mean_chain_len * (mpp_paths->hash_mask + 1))
+		grow = 1;
+
+	spin_unlock(&mpp_paths->hashwlock[hash_idx]);
+	read_unlock(&pathtbl_resize_lock);
+	if (grow) {
+		struct mesh_table *oldtbl, *newtbl;
+
+		write_lock(&pathtbl_resize_lock);
+		oldtbl = mpp_paths;
+		newtbl = mesh_table_grow(mpp_paths);
+		if (!newtbl) {
+			write_unlock(&pathtbl_resize_lock);
+			return 0;
+		}
+		rcu_assign_pointer(mpp_paths, newtbl);
+		write_unlock(&pathtbl_resize_lock);
+
+		synchronize_rcu();
+		mesh_table_free(oldtbl, false);
+	}
+	return 0;
+
+err_exists:
+	spin_unlock(&mpp_paths->hashwlock[hash_idx]);
+	read_unlock(&pathtbl_resize_lock);
+	kfree(new_node);
+err_node_alloc:
+	kfree(new_mpath);
+err_path_alloc:
+	return err;
+}
+
+
 /**
  * mesh_plink_broken - deactivates paths and sends perr when a link breaks
  *
@@ -475,11 +589,21 @@ static int mesh_path_node_copy(struct hlist_node *p, struct mesh_table *newtbl)
 int mesh_pathtbl_init(void)
 {
 	mesh_paths = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
+	if (!mesh_paths)
+		return -ENOMEM;
 	mesh_paths->free_node = &mesh_path_node_free;
 	mesh_paths->copy_node = &mesh_path_node_copy;
 	mesh_paths->mean_chain_len = MEAN_CHAIN_LEN;
-	if (!mesh_paths)
+
+	mpp_paths = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
+	if (!mpp_paths) {
+		mesh_table_free(mesh_paths, true);
 		return -ENOMEM;
+	}
+	mpp_paths->free_node = &mesh_path_node_free;
+	mpp_paths->copy_node = &mesh_path_node_copy;
+	mpp_paths->mean_chain_len = MEAN_CHAIN_LEN;
+
 	return 0;
 }
 
@@ -511,4 +635,5 @@ void mesh_path_expire(struct ieee80211_sub_if_data *sdata)
 void mesh_pathtbl_unregister(void)
 {
 	mesh_table_free(mesh_paths, true);
+	mesh_table_free(mpp_paths, true);
 }

net/mac80211/mlme.c

@@ -942,8 +942,8 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
 				disassoc = 1;
 			} else
 				ieee80211_send_probe_req(sdata, ifsta->bssid,
-							 local->scan_ssid,
-							 local->scan_ssid_len);
+							 ifsta->ssid,
+							 ifsta->ssid_len);
 			ifsta->flags ^= IEEE80211_STA_PROBEREQ_POLL;
 		} else {
 			ifsta->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
@@ -1323,7 +1323,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 		ieee80211_handle_ht(local, 1, &sta->sta.ht_info, &bss_info);
 	}
 
-	rate_control_rate_init(sta, local);
+	rate_control_rate_init(sta);
 
 	if (elems.wmm_param) {
 		set_sta_flags(sta, WLAN_STA_WME);
@@ -1452,6 +1452,8 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 	ifsta->state = IEEE80211_STA_MLME_IBSS_JOINED;
 	mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
 
+	ieee80211_led_assoc(local, true);
+
 	memset(&wrqu, 0, sizeof(wrqu));
 	memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
 	wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
@@ -2342,7 +2344,7 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
 	sta->sta.supp_rates[band] = supp_rates |
 			ieee80211_mandatory_rates(local, band);
 
-	rate_control_rate_init(sta, local);
+	rate_control_rate_init(sta);
 
 	if (sta_info_insert(sta))
 		return NULL;

net/mac80211/rate.c

@@ -12,6 +12,7 @@
 #include <linux/rtnetlink.h>
 #include "rate.h"
 #include "ieee80211_i.h"
+#include "debugfs.h"
 
 struct rate_control_alg {
 	struct list_head list;
@@ -127,19 +128,46 @@ static void ieee80211_rate_control_ops_put(struct rate_control_ops *ops)
 	module_put(ops->module);
 }
 
+#ifdef CONFIG_MAC80211_DEBUGFS
+static ssize_t rcname_read(struct file *file, char __user *userbuf,
+			   size_t count, loff_t *ppos)
+{
+	struct rate_control_ref *ref = file->private_data;
+	int len = strlen(ref->ops->name);
+
+	return simple_read_from_buffer(userbuf, count, ppos,
+				       ref->ops->name, len);
+}
+
+static const struct file_operations rcname_ops = {
+	.read = rcname_read,
+	.open = mac80211_open_file_generic,
+};
+#endif
+
 struct rate_control_ref *rate_control_alloc(const char *name,
 					    struct ieee80211_local *local)
 {
+	struct dentry *debugfsdir = NULL;
 	struct rate_control_ref *ref;
 
 	ref = kmalloc(sizeof(struct rate_control_ref), GFP_KERNEL);
 	if (!ref)
 		goto fail_ref;
 	kref_init(&ref->kref);
+	ref->local = local;
 	ref->ops = ieee80211_rate_control_ops_get(name);
 	if (!ref->ops)
 		goto fail_ops;
-	ref->priv = ref->ops->alloc(local);
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
+	local->debugfs.rcdir = debugfsdir;
+	local->debugfs.rcname = debugfs_create_file("name", 0400, debugfsdir,
+						    ref, &rcname_ops);
+#endif
+
+	ref->priv = ref->ops->alloc(&local->hw, debugfsdir);
 	if (!ref->priv)
 		goto fail_priv;
 	return ref;
@@ -158,29 +186,46 @@ static void rate_control_release(struct kref *kref)
 
 	ctrl_ref = container_of(kref, struct rate_control_ref, kref);
 	ctrl_ref->ops->free(ctrl_ref->priv);
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	debugfs_remove(ctrl_ref->local->debugfs.rcname);
+	ctrl_ref->local->debugfs.rcname = NULL;
+	debugfs_remove(ctrl_ref->local->debugfs.rcdir);
+	ctrl_ref->local->debugfs.rcdir = NULL;
+#endif
+
 	ieee80211_rate_control_ops_put(ctrl_ref->ops);
 	kfree(ctrl_ref);
 }
 
-void rate_control_get_rate(struct net_device *dev,
+void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
 			   struct ieee80211_supported_band *sband,
-			   struct sk_buff *skb,
+			   struct sta_info *sta, struct sk_buff *skb,
 			   struct rate_selection *sel)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct rate_control_ref *ref = local->rate_ctrl;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct sta_info *sta;
+	struct rate_control_ref *ref = sdata->local->rate_ctrl;
+	void *priv_sta = NULL;
+	struct ieee80211_sta *ista = NULL;
 	int i;
 
-	rcu_read_lock();
-	sta = sta_info_get(local, hdr->addr1);
-
 	sel->rate_idx = -1;
 	sel->nonerp_idx = -1;
 	sel->probe_idx = -1;
+	sel->max_rate_idx = sdata->max_ratectrl_rateidx;
+
+	if (sta) {
+		ista = &sta->sta;
+		priv_sta = sta->rate_ctrl_priv;
+	}
+
+	if (sta && sdata->force_unicast_rateidx > -1)
+		sel->rate_idx = sdata->force_unicast_rateidx;
+	else
+		ref->ops->get_rate(ref->priv, sband, ista, priv_sta, skb, sel);
 
-	ref->ops->get_rate(ref->priv, dev, sband, skb, sel);
+	if (sdata->max_ratectrl_rateidx > -1 &&
+	    sel->rate_idx > sdata->max_ratectrl_rateidx)
+		sel->rate_idx = sdata->max_ratectrl_rateidx;
 
 	BUG_ON(sel->rate_idx < 0);
 
@@ -191,13 +236,11 @@ void rate_control_get_rate(struct net_device *dev,
 			if (sband->bitrates[sel->rate_idx].bitrate < rate->bitrate)
 				break;
 
-			if (rate_supported(sta, sband->band, i) &&
+			if (rate_supported(ista, sband->band, i) &&
 			    !(rate->flags & IEEE80211_RATE_ERP_G))
 				sel->nonerp_idx = i;
 		}
 	}
-
-	rcu_read_unlock();
 }
 
 struct rate_control_ref *rate_control_get(struct rate_control_ref *ref)

net/mac80211/rate.h

@@ -19,77 +19,48 @@
 #include "ieee80211_i.h"
 #include "sta_info.h"
 
-/**
- * struct rate_selection - rate selection for rate control algos
- * @rate: selected transmission rate index
- * @nonerp: Non-ERP rate to use instead if ERP cannot be used
- * @probe: rate for probing (or -1)
- *
- */
-struct rate_selection {
-	s8 rate_idx, nonerp_idx, probe_idx;
-};
-
-struct rate_control_ops {
-	struct module *module;
-	const char *name;
-	void (*tx_status)(void *priv, struct net_device *dev,
-			  struct sk_buff *skb);
-	void (*get_rate)(void *priv, struct net_device *dev,
-			 struct ieee80211_supported_band *band,
-			 struct sk_buff *skb,
-			 struct rate_selection *sel);
-	void (*rate_init)(void *priv, void *priv_sta,
-			  struct ieee80211_local *local, struct sta_info *sta);
-	void (*clear)(void *priv);
-
-	void *(*alloc)(struct ieee80211_local *local);
-	void (*free)(void *priv);
-	void *(*alloc_sta)(void *priv, gfp_t gfp);
-	void (*free_sta)(void *priv, void *priv_sta);
-
-	int (*add_attrs)(void *priv, struct kobject *kobj);
-	void (*remove_attrs)(void *priv, struct kobject *kobj);
-	void (*add_sta_debugfs)(void *priv, void *priv_sta,
-				struct dentry *dir);
-	void (*remove_sta_debugfs)(void *priv, void *priv_sta);
-};
-
 struct rate_control_ref {
+	struct ieee80211_local *local;
 	struct rate_control_ops *ops;
 	void *priv;
 	struct kref kref;
 };
 
-int ieee80211_rate_control_register(struct rate_control_ops *ops);
-void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
-
 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
  * first available algorithm. */
 struct rate_control_ref *rate_control_alloc(const char *name,
 					    struct ieee80211_local *local);
-void rate_control_get_rate(struct net_device *dev,
+void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
 			   struct ieee80211_supported_band *sband,
-			   struct sk_buff *skb,
+			   struct sta_info *sta, struct sk_buff *skb,
 			   struct rate_selection *sel);
 struct rate_control_ref *rate_control_get(struct rate_control_ref *ref);
 void rate_control_put(struct rate_control_ref *ref);
 
-static inline void rate_control_tx_status(struct net_device *dev,
+static inline void rate_control_tx_status(struct ieee80211_local *local,
+					  struct ieee80211_supported_band *sband,
+					  struct sta_info *sta,
 					  struct sk_buff *skb)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct rate_control_ref *ref = local->rate_ctrl;
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
 
-	ref->ops->tx_status(ref->priv, dev, skb);
+	ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
 }
 
 
-static inline void rate_control_rate_init(struct sta_info *sta,
-					  struct ieee80211_local *local)
+static inline void rate_control_rate_init(struct sta_info *sta)
 {
+	struct ieee80211_local *local = sta->sdata->local;
 	struct rate_control_ref *ref = sta->rate_ctrl;
-	ref->ops->rate_init(ref->priv, sta->rate_ctrl_priv, local, sta);
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
+	struct ieee80211_supported_band *sband;
+
+	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+	ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
 }
 
 
@@ -100,15 +71,19 @@ static inline void rate_control_clear(struct ieee80211_local *local)
 }
 
 static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
+					   struct ieee80211_sta *sta,
 					   gfp_t gfp)
 {
-	return ref->ops->alloc_sta(ref->priv, gfp);
+	return ref->ops->alloc_sta(ref->priv, sta, gfp);
 }
 
-static inline void rate_control_free_sta(struct rate_control_ref *ref,
-					 void *priv)
+static inline void rate_control_free_sta(struct sta_info *sta)
 {
-	ref->ops->free_sta(ref->priv, priv);
+	struct rate_control_ref *ref = sta->rate_ctrl;
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
+
+	ref->ops->free_sta(ref->priv, ista, priv_sta);
 }
 
 static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
@@ -130,31 +105,6 @@ static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
 #endif
 }
 
-static inline int rate_supported(struct sta_info *sta,
-				 enum ieee80211_band band,
-				 int index)
-{
-	return (sta == NULL || sta->sta.supp_rates[band] & BIT(index));
-}
-
-static inline s8
-rate_lowest_index(struct ieee80211_local *local,
-		  struct ieee80211_supported_band *sband,
-		  struct sta_info *sta)
-{
-	int i;
-
-	for (i = 0; i < sband->n_bitrates; i++)
-		if (rate_supported(sta, sband->band, i))
-			return i;
-
-	/* warn when we cannot find a rate. */
-	WARN_ON(1);
-
-	return 0;
-}
-
-
 /* functions for rate control related to a device */
 int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
 				 const char *name);

net/mac80211/rc80211_pid.h

@@ -124,7 +124,6 @@ struct rc_pid_events_file_info {
  * struct rc_pid_debugfs_entries - tunable parameters
  *
  * Algorithm parameters, tunable via debugfs.
- * @dir: the debugfs directory for a specific phy
  * @target: target percentage for failed frames
  * @sampling_period: error sampling interval in milliseconds
  * @coeff_p: absolute value of the proportional coefficient
@@ -143,7 +142,6 @@ struct rc_pid_events_file_info {
  *	ordering of rates)
  */
 struct rc_pid_debugfs_entries {
-	struct dentry *dir;
 	struct dentry *target;
 	struct dentry *sampling_period;
 	struct dentry *coeff_p;

net/mac80211/rc80211_pid_algo.c

@@ -68,18 +68,14 @@
  * exhibited a worse failed frames behaviour and we'll choose the highest rate
  * whose failed frames behaviour is not worse than the one of the original rate
  * target. While at it, check that the new rate is valid. */
-static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
-					 struct sta_info *sta, int adj,
+static void rate_control_pid_adjust_rate(struct ieee80211_supported_band *sband,
+					 struct ieee80211_sta *sta,
+					 struct rc_pid_sta_info *spinfo, int adj,
 					 struct rc_pid_rateinfo *rinfo)
 {
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_supported_band *sband;
 	int cur_sorted, new_sorted, probe, tmp, n_bitrates, band;
-	struct rc_pid_sta_info *spinfo = (void *)sta->rate_ctrl_priv;
 	int cur = spinfo->txrate_idx;
 
-	sdata = sta->sdata;
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 	band = sband->band;
 	n_bitrates = sband->n_bitrates;
 
@@ -146,13 +142,11 @@ static void rate_control_pid_normalize(struct rc_pid_info *pinfo, int l)
 }
 
 static void rate_control_pid_sample(struct rc_pid_info *pinfo,
-				    struct ieee80211_local *local,
-				    struct sta_info *sta)
+				    struct ieee80211_supported_band *sband,
+				    struct ieee80211_sta *sta,
+				    struct rc_pid_sta_info *spinfo)
 {
-	struct ieee80211_sub_if_data *sdata = sta->sdata;
-	struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv;
 	struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
-	struct ieee80211_supported_band *sband;
 	u32 pf;
 	s32 err_avg;
 	u32 err_prop;
@@ -161,9 +155,6 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 	int adj, i, j, tmp;
 	unsigned long period;
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-	spinfo = sta->rate_ctrl_priv;
-
 	/* In case nothing happened during the previous control interval, turn
 	 * the sharpening factor on. */
 	period = (HZ * pinfo->sampling_period + 500) / 1000;
@@ -179,11 +170,15 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 	if (unlikely(spinfo->tx_num_xmit == 0))
 		pf = spinfo->last_pf;
 	else {
+		/* XXX: BAD HACK!!! */
+		struct sta_info *si = container_of(sta, struct sta_info, sta);
+
 		pf = spinfo->tx_num_failed * 100 / spinfo->tx_num_xmit;
-		if (ieee80211_vif_is_mesh(&sdata->vif) && pf == 100)
-			mesh_plink_broken(sta);
+
+		if (ieee80211_vif_is_mesh(&si->sdata->vif) && pf == 100)
+			mesh_plink_broken(si);
 		pf <<= RC_PID_ARITH_SHIFT;
-		sta->fail_avg = ((pf + (spinfo->last_pf << 3)) / 9)
+		si->fail_avg = ((pf + (spinfo->last_pf << 3)) / 9)
 					>> RC_PID_ARITH_SHIFT;
 	}
 
@@ -229,43 +224,25 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 
 	/* Change rate. */
 	if (adj)
-		rate_control_pid_adjust_rate(local, sta, adj, rinfo);
+		rate_control_pid_adjust_rate(sband, sta, spinfo, adj, rinfo);
 }
 
-static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
+static void rate_control_pid_tx_status(void *priv, struct ieee80211_supported_band *sband,
+				       struct ieee80211_sta *sta, void *priv_sta,
 				       struct sk_buff *skb)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct ieee80211_sub_if_data *sdata;
 	struct rc_pid_info *pinfo = priv;
-	struct sta_info *sta;
-	struct rc_pid_sta_info *spinfo;
+	struct rc_pid_sta_info *spinfo = priv_sta;
 	unsigned long period;
-	struct ieee80211_supported_band *sband;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-	if (!sta)
-		goto unlock;
-
-	spinfo = sta->rate_ctrl_priv;
-
-	/* Don't update the state if we're not controlling the rate. */
-	sdata = sta->sdata;
-	if (sdata->force_unicast_rateidx > -1) {
-		spinfo->txrate_idx = sdata->max_ratectrl_rateidx;
-		goto unlock;
-	}
+	if (!spinfo)
+		return;
 
 	/* Ignore all frames that were sent with a different rate than the rate
 	 * we currently advise mac80211 to use. */
 	if (info->tx_rate_idx != spinfo->txrate_idx)
-		goto unlock;
+		return;
 
 	spinfo->tx_num_xmit++;
 
@@ -289,78 +266,63 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
 	if (!period)
 		period = 1;
 	if (time_after(jiffies, spinfo->last_sample + period))
-		rate_control_pid_sample(pinfo, local, sta);
-
- unlock:
-	rcu_read_unlock();
+		rate_control_pid_sample(pinfo, sband, sta, spinfo);
 }
 
-static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
-				      struct ieee80211_supported_band *sband,
-				      struct sk_buff *skb,
-				      struct rate_selection *sel)
+static void
+rate_control_pid_get_rate(void *priv, struct ieee80211_supported_band *sband,
+			  struct ieee80211_sta *sta, void *priv_sta,
+			  struct sk_buff *skb,
+			  struct rate_selection *sel)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct ieee80211_sub_if_data *sdata;
-	struct rc_pid_sta_info *spinfo;
-	struct sta_info *sta;
+	struct rc_pid_sta_info *spinfo = priv_sta;
 	int rateidx;
 	u16 fc;
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-
 	/* Send management frames and broadcast/multicast data using lowest
 	 * rate. */
 	fc = le16_to_cpu(hdr->frame_control);
-	if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
-	    is_multicast_ether_addr(hdr->addr1) || !sta) {
-		sel->rate_idx = rate_lowest_index(local, sband, sta);
-		rcu_read_unlock();
+	if (!sta || !spinfo ||
+	    (fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
+	    is_multicast_ether_addr(hdr->addr1)) {
+		sel->rate_idx = rate_lowest_index(sband, sta);
 		return;
 	}
 
-	/* If a forced rate is in effect, select it. */
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	spinfo = (struct rc_pid_sta_info *)sta->rate_ctrl_priv;
-	if (sdata->force_unicast_rateidx > -1)
-		spinfo->txrate_idx = sdata->force_unicast_rateidx;
-
 	rateidx = spinfo->txrate_idx;
 
 	if (rateidx >= sband->n_bitrates)
 		rateidx = sband->n_bitrates - 1;
 
-	rcu_read_unlock();
-
 	sel->rate_idx = rateidx;
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-	rate_control_pid_event_tx_rate(
-		&((struct rc_pid_sta_info *) sta->rate_ctrl_priv)->events,
+	rate_control_pid_event_tx_rate(&spinfo->events,
 		rateidx, sband->bitrates[rateidx].bitrate);
 #endif
 }
 
-static void rate_control_pid_rate_init(void *priv, void *priv_sta,
-					  struct ieee80211_local *local,
-					  struct sta_info *sta)
+static void
+rate_control_pid_rate_init(void *priv, struct ieee80211_supported_band *sband,
+			   struct ieee80211_sta *sta, void *priv_sta)
 {
+	struct rc_pid_sta_info *spinfo = priv_sta;
+	struct sta_info *si;
+
 	/* TODO: This routine should consider using RSSI from previous packets
 	 * as we need to have IEEE 802.1X auth succeed immediately after assoc..
 	 * Until that method is implemented, we will use the lowest supported
 	 * rate as a workaround. */
-	struct ieee80211_supported_band *sband;
-	struct rc_pid_sta_info *spinfo = (void *)sta->rate_ctrl_priv;
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-	spinfo->txrate_idx = rate_lowest_index(local, sband, sta);
-	sta->fail_avg = 0;
+	spinfo->txrate_idx = rate_lowest_index(sband, sta);
+	/* HACK */
+	si = container_of(sta, struct sta_info, sta);
+	si->fail_avg = 0;
 }
 
-static void *rate_control_pid_alloc(struct ieee80211_local *local)
+static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
+				    struct dentry *debugfsdir)
 {
 	struct rc_pid_info *pinfo;
 	struct rc_pid_rateinfo *rinfo;
@@ -371,7 +333,7 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
 	struct rc_pid_debugfs_entries *de;
 #endif
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+	sband = hw->wiphy->bands[hw->conf.channel->band];
 
 	pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC);
 	if (!pinfo)
@@ -426,30 +388,28 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 	de = &pinfo->dentries;
-	de->dir = debugfs_create_dir("rc80211_pid",
-				     local->hw.wiphy->debugfsdir);
 	de->target = debugfs_create_u32("target_pf", S_IRUSR | S_IWUSR,
-					de->dir, &pinfo->target);
+					debugfsdir, &pinfo->target);
 	de->sampling_period = debugfs_create_u32("sampling_period",
-						 S_IRUSR | S_IWUSR, de->dir,
+						 S_IRUSR | S_IWUSR, debugfsdir,
 						 &pinfo->sampling_period);
 	de->coeff_p = debugfs_create_u32("coeff_p", S_IRUSR | S_IWUSR,
-					 de->dir, &pinfo->coeff_p);
+					 debugfsdir, &pinfo->coeff_p);
 	de->coeff_i = debugfs_create_u32("coeff_i", S_IRUSR | S_IWUSR,
-					 de->dir, &pinfo->coeff_i);
+					 debugfsdir, &pinfo->coeff_i);
 	de->coeff_d = debugfs_create_u32("coeff_d", S_IRUSR | S_IWUSR,
-					 de->dir, &pinfo->coeff_d);
+					 debugfsdir, &pinfo->coeff_d);
 	de->smoothing_shift = debugfs_create_u32("smoothing_shift",
-						 S_IRUSR | S_IWUSR, de->dir,
+						 S_IRUSR | S_IWUSR, debugfsdir,
 						 &pinfo->smoothing_shift);
 	de->sharpen_factor = debugfs_create_u32("sharpen_factor",
-					       S_IRUSR | S_IWUSR, de->dir,
+					       S_IRUSR | S_IWUSR, debugfsdir,
 					       &pinfo->sharpen_factor);
 	de->sharpen_duration = debugfs_create_u32("sharpen_duration",
-						  S_IRUSR | S_IWUSR, de->dir,
+						  S_IRUSR | S_IWUSR, debugfsdir,
 						  &pinfo->sharpen_duration);
 	de->norm_offset = debugfs_create_u32("norm_offset",
-					     S_IRUSR | S_IWUSR, de->dir,
+					     S_IRUSR | S_IWUSR, debugfsdir,
 					     &pinfo->norm_offset);
 #endif
 
@@ -471,7 +431,6 @@ static void rate_control_pid_free(void *priv)
 	debugfs_remove(de->coeff_p);
 	debugfs_remove(de->sampling_period);
 	debugfs_remove(de->target);
-	debugfs_remove(de->dir);
 #endif
 
 	kfree(pinfo->rinfo);
@@ -482,7 +441,8 @@ static void rate_control_pid_clear(void *priv)
 {
 }
 
-static void *rate_control_pid_alloc_sta(void *priv, gfp_t gfp)
+static void *rate_control_pid_alloc_sta(void *priv, struct ieee80211_sta *sta,
+					gfp_t gfp)
 {
 	struct rc_pid_sta_info *spinfo;
 
@@ -500,10 +460,10 @@ static void *rate_control_pid_alloc_sta(void *priv, gfp_t gfp)
 	return spinfo;
 }
 
-static void rate_control_pid_free_sta(void *priv, void *priv_sta)
+static void rate_control_pid_free_sta(void *priv, struct ieee80211_sta *sta,
+				      void *priv_sta)
 {
-	struct rc_pid_sta_info *spinfo = priv_sta;
-	kfree(spinfo);
+	kfree(priv_sta);
 }
 
 static struct rate_control_ops mac80211_rcpid = {

net/mac80211/rx.c

@@ -650,32 +650,28 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
 	return result;
 }
 
-static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta)
+static void ap_sta_ps_start(struct sta_info *sta)
 {
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	DECLARE_MAC_BUF(mac);
 
-	sdata = sta->sdata;
-
 	atomic_inc(&sdata->bss->num_sta_ps);
 	set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n",
-	       dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
+	       sdata->dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 }
 
-static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
+static int ap_sta_ps_end(struct sta_info *sta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb;
 	int sent = 0;
-	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_tx_info *info;
 	DECLARE_MAC_BUF(mac);
 
-	sdata = sta->sdata;
-
 	atomic_dec(&sdata->bss->num_sta_ps);
 
 	clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
@@ -685,7 +681,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
 
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	printk(KERN_DEBUG "%s: STA %s aid %d exits power save mode\n",
-	       dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
+	       sdata->dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 
 	/* Send all buffered frames to the station */
@@ -701,7 +697,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
 		sent++;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "%s: STA %s aid %d send PS frame "
-		       "since STA not sleeping anymore\n", dev->name,
+		       "since STA not sleeping anymore\n", sdata->dev->name,
 		       print_mac(mac, sta->sta.addr), sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 		info->flags |= IEEE80211_TX_CTL_REQUEUE;
@@ -715,7 +711,6 @@ static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 {
 	struct sta_info *sta = rx->sta;
-	struct net_device *dev = rx->dev;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 
 	if (!sta)
@@ -757,10 +752,10 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 		 * exchange sequence */
 		if (test_sta_flags(sta, WLAN_STA_PS) &&
 		    !ieee80211_has_pm(hdr->frame_control))
-			rx->sent_ps_buffered += ap_sta_ps_end(dev, sta);
+			rx->sent_ps_buffered += ap_sta_ps_end(sta);
 		else if (!test_sta_flags(sta, WLAN_STA_PS) &&
 			 ieee80211_has_pm(hdr->frame_control))
-			ap_sta_ps_start(dev, sta);
+			ap_sta_ps_start(sta);
 	}
 
 	/* Drop data::nullfunc frames silently, since they are used only to
@@ -1112,10 +1107,6 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
-	if (ieee80211_vif_is_mesh(&sdata->vif))
-		hdrlen += ieee80211_get_mesh_hdrlen(
-				(struct ieee80211s_hdr *) (skb->data + hdrlen));
-
 	/* convert IEEE 802.11 header + possible LLC headers into Ethernet
 	 * header
 	 * IEEE 802.11 address fields:
@@ -1139,6 +1130,15 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 		if (unlikely(sdata->vif.type != NL80211_IFTYPE_WDS &&
 			     sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
 			return -1;
+		if (ieee80211_vif_is_mesh(&sdata->vif)) {
+			struct ieee80211s_hdr *meshdr = (struct ieee80211s_hdr *)
+				(skb->data + hdrlen);
+			hdrlen += ieee80211_get_mesh_hdrlen(meshdr);
+			if (meshdr->flags & MESH_FLAGS_AE_A5_A6) {
+				memcpy(dst, meshdr->eaddr1, ETH_ALEN);
+				memcpy(src, meshdr->eaddr2, ETH_ALEN);
+			}
+		}
 		break;
 	case __constant_cpu_to_le16(IEEE80211_FCTL_FROMDS):
 		if (sdata->vif.type != NL80211_IFTYPE_STATION ||
@@ -1398,6 +1398,25 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 		/* illegal frame */
 		return RX_DROP_MONITOR;
 
+	if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6){
+		struct ieee80211_sub_if_data *sdata;
+		struct mesh_path *mppath;
+
+		sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
+		rcu_read_lock();
+		mppath = mpp_path_lookup(mesh_hdr->eaddr2, sdata);
+		if (!mppath) {
+			mpp_path_add(mesh_hdr->eaddr2, hdr->addr4, sdata);
+		} else {
+			spin_lock_bh(&mppath->state_lock);
+			mppath->exp_time = jiffies;
+			if (compare_ether_addr(mppath->mpp, hdr->addr4) != 0)
+				memcpy(mppath->mpp, hdr->addr4, ETH_ALEN);
+			spin_unlock_bh(&mppath->state_lock);
+		}
+		rcu_read_unlock();
+	}
+
 	if (compare_ether_addr(rx->dev->dev_addr, hdr->addr3) == 0)
 		return RX_CONTINUE;
 
@@ -1538,7 +1557,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
 	 */
 	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
-		return RX_DROP_MONITOR;
+		return RX_CONTINUE;
 
 	switch (mgmt->u.action.category) {
 	case WLAN_CATEGORY_BACK:

net/mac80211/sta_info.c

@@ -93,8 +93,7 @@ static int sta_info_hash_del(struct ieee80211_local *local,
 }
 
 /* protected by RCU */
-static struct sta_info *__sta_info_find(struct ieee80211_local *local,
-					const u8 *addr)
+struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr)
 {
 	struct sta_info *sta;
 
@@ -107,12 +106,6 @@ static struct sta_info *__sta_info_find(struct ieee80211_local *local,
 	return sta;
 }
 
-struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr)
-{
-	return __sta_info_find(local, addr);
-}
-EXPORT_SYMBOL(sta_info_get);
-
 struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
 				     struct net_device *dev)
 {
@@ -146,7 +139,7 @@ static void __sta_info_free(struct ieee80211_local *local,
 {
 	DECLARE_MAC_BUF(mbuf);
 
-	rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv);
+	rate_control_free_sta(sta);
 	rate_control_put(sta->rate_ctrl);
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
@@ -244,7 +237,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 
 	sta->rate_ctrl = rate_control_get(local->rate_ctrl);
 	sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl,
-						     gfp);
+						     &sta->sta, gfp);
 	if (!sta->rate_ctrl_priv) {
 		rate_control_put(sta->rate_ctrl);
 		kfree(sta);
@@ -308,7 +301,7 @@ int sta_info_insert(struct sta_info *sta)
 
 	spin_lock_irqsave(&local->sta_lock, flags);
 	/* check if STA exists already */
-	if (__sta_info_find(local, sta->sta.addr)) {
+	if (sta_info_get(local, sta->sta.addr)) {
 		spin_unlock_irqrestore(&local->sta_lock, flags);
 		err = -EEXIST;
 		goto out_free;
@@ -834,7 +827,7 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
 struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
                                          const u8 *addr)
 {
-	struct sta_info *sta = __sta_info_find(hw_to_local(hw), addr);
+	struct sta_info *sta = sta_info_get(hw_to_local(hw), addr);
 
 	if (!sta)
 		return NULL;

net/mac80211/sta_info.h

@@ -416,7 +416,7 @@ static inline u32 get_sta_flags(struct sta_info *sta)
 /*
  * Get a STA info, must have be under RCU read lock.
  */
-struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr);
+struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr);
 /*
  * Get STA info by index, BROKEN!
  */

net/mac80211/tx.c

@@ -165,11 +165,10 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
 	return cpu_to_le16(dur);
 }
 
-static int inline is_ieee80211_device(struct net_device *dev,
-				      struct net_device *master)
+static int inline is_ieee80211_device(struct ieee80211_local *local,
+				      struct net_device *dev)
 {
-	return (wdev_priv(dev->ieee80211_ptr) ==
-		wdev_priv(master->ieee80211_ptr));
+	return local == wdev_priv(dev->ieee80211_ptr);
 }
 
 /* tx handlers */
@@ -447,7 +446,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
 	sband = tx->local->hw.wiphy->bands[tx->channel->band];
 
 	if (likely(tx->rate_idx < 0)) {
-		rate_control_get_rate(tx->dev, sband, tx->skb, &rsel);
+		rate_control_get_rate(tx->sdata, sband, tx->sta,
+				      tx->skb, &rsel);
 		if (tx->sta)
 			tx->sta->last_txrate_idx = rsel.rate_idx;
 		tx->rate_idx = rsel.rate_idx;
@@ -1001,14 +1001,14 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
 /*
  * NB: @tx is uninitialised when passed in here
  */
-static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
-				struct sk_buff *skb,
-				struct net_device *mdev)
+static int ieee80211_tx_prepare(struct ieee80211_local *local,
+				struct ieee80211_tx_data *tx,
+				struct sk_buff *skb)
 {
 	struct net_device *dev;
 
 	dev = dev_get_by_index(&init_net, skb->iif);
-	if (unlikely(dev && !is_ieee80211_device(dev, mdev))) {
+	if (unlikely(dev && !is_ieee80211_device(local, dev))) {
 		dev_put(dev);
 		dev = NULL;
 	}
@@ -1258,6 +1258,8 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
 int ieee80211_master_start_xmit(struct sk_buff *skb,
 				struct net_device *dev)
 {
+	struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+	struct ieee80211_local *local = mpriv->local;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct net_device *odev = NULL;
@@ -1273,7 +1275,7 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 
 	if (skb->iif)
 		odev = dev_get_by_index(&init_net, skb->iif);
-	if (unlikely(odev && !is_ieee80211_device(odev, dev))) {
+	if (unlikely(odev && !is_ieee80211_device(local, odev))) {
 		dev_put(odev);
 		odev = NULL;
 	}
@@ -1449,8 +1451,8 @@ fail:
 int ieee80211_subif_start_xmit(struct sk_buff *skb,
 			       struct net_device *dev)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
 	int ret = 1, head_need;
 	u16 ethertype, hdrlen,  meshhdrlen = 0;
 	__le16 fc;
@@ -1462,7 +1464,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 	struct sta_info *sta;
 	u32 sta_flags = 0;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	if (unlikely(skb->len < ETH_HLEN)) {
 		ret = 0;
 		goto fail;
@@ -1498,18 +1499,50 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 #ifdef CONFIG_MAC80211_MESH
 	case NL80211_IFTYPE_MESH_POINT:
 		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
-		/* RA TA DA SA */
-		memset(hdr.addr1, 0, ETH_ALEN);
-		memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
-		memcpy(hdr.addr3, skb->data, ETH_ALEN);
-		memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
 		if (!sdata->u.mesh.mshcfg.dot11MeshTTL) {
 			/* Do not send frames with mesh_ttl == 0 */
 			sdata->u.mesh.mshstats.dropped_frames_ttl++;
 			ret = 0;
 			goto fail;
 		}
-		meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata);
+		memset(&mesh_hdr, 0, sizeof(mesh_hdr));
+
+		if (compare_ether_addr(dev->dev_addr,
+					  skb->data + ETH_ALEN) == 0) {
+			/* RA TA DA SA */
+			memset(hdr.addr1, 0, ETH_ALEN);
+			memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
+			memcpy(hdr.addr3, skb->data, ETH_ALEN);
+			memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+			meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata);
+		} else {
+			/* packet from other interface */
+			struct mesh_path *mppath;
+
+			memset(hdr.addr1, 0, ETH_ALEN);
+			memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
+			memcpy(hdr.addr4, dev->dev_addr, ETH_ALEN);
+
+			if (is_multicast_ether_addr(skb->data))
+				memcpy(hdr.addr3, skb->data, ETH_ALEN);
+			else {
+				rcu_read_lock();
+				mppath = mpp_path_lookup(skb->data, sdata);
+				if (mppath)
+					memcpy(hdr.addr3, mppath->mpp, ETH_ALEN);
+				else
+					memset(hdr.addr3, 0xff, ETH_ALEN);
+				rcu_read_unlock();
+			}
+
+			mesh_hdr.flags |= MESH_FLAGS_AE_A5_A6;
+			mesh_hdr.ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
+			put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &mesh_hdr.seqnum);
+			memcpy(mesh_hdr.eaddr1, skb->data, ETH_ALEN);
+			memcpy(mesh_hdr.eaddr2, skb->data + ETH_ALEN, ETH_ALEN);
+			sdata->u.mesh.mesh_seqnum++;
+			meshhdrlen = 18;
+		}
 		hdrlen = 30;
 		break;
 #endif
@@ -1923,7 +1956,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 	skb->do_not_encrypt = 1;
 
 	info->band = band;
-	rate_control_get_rate(local->mdev, sband, skb, &rsel);
+	rate_control_get_rate(sdata, sband, NULL, skb, &rsel);
 
 	if (unlikely(rsel.rate_idx < 0)) {
 		if (net_ratelimit()) {
@@ -2032,7 +2065,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
 				cpu_to_le16(IEEE80211_FCTL_MOREDATA);
 		}
 
-		if (!ieee80211_tx_prepare(&tx, skb, local->mdev))
+		if (!ieee80211_tx_prepare(local, &tx, skb))
 			break;
 		dev_kfree_skb_any(skb);
 	}

net/wireless/core.c

@@ -29,113 +29,11 @@ MODULE_AUTHOR("Johannes Berg");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("wireless configuration support");
 
-struct list_head regulatory_requests;
-
-/* Central wireless core regulatory domains, we only need two,
- * the current one and a world regulatory domain in case we have no
- * information to give us an alpha2 */
-struct ieee80211_regdomain *cfg80211_regdomain;
-
-/* We keep a static world regulatory domain in case of the absence of CRDA */
-const struct ieee80211_regdomain world_regdom = {
-	.n_reg_rules = 1,
-	.alpha2 =  "00",
-	.reg_rules = {
-		REG_RULE(2402, 2472, 40, 6, 20,
-			NL80211_RRF_PASSIVE_SCAN |
-			NL80211_RRF_NO_IBSS),
-	}
-};
-
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-/* All this fucking static junk will be removed soon, so
- * don't fucking count on it !@#$ */
-
-static char *ieee80211_regdom = "US";
-module_param(ieee80211_regdom, charp, 0444);
-MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
-
-/* We assume 40 MHz bandwidth for the old regulatory work.
- * We make emphasis we are using the exact same frequencies
- * as before */
-
-const struct ieee80211_regdomain us_regdom = {
-	.n_reg_rules = 6,
-	.alpha2 =  "US",
-	.reg_rules = {
-		/* IEEE 802.11b/g, channels 1..11 */
-		REG_RULE(2412-20, 2462+20, 40, 6, 27, 0),
-		/* IEEE 802.11a, channel 36 */
-		REG_RULE(5180-20, 5180+20, 40, 6, 23, 0),
-		/* IEEE 802.11a, channel 40 */
-		REG_RULE(5200-20, 5200+20, 40, 6, 23, 0),
-		/* IEEE 802.11a, channel 44 */
-		REG_RULE(5220-20, 5220+20, 40, 6, 23, 0),
-		/* IEEE 802.11a, channels 48..64 */
-		REG_RULE(5240-20, 5320+20, 40, 6, 23, 0),
-		/* IEEE 802.11a, channels 149..165, outdoor */
-		REG_RULE(5745-20, 5825+20, 40, 6, 30, 0),
-	}
-};
-
-const struct ieee80211_regdomain jp_regdom = {
-	.n_reg_rules = 3,
-	.alpha2 =  "JP",
-	.reg_rules = {
-		/* IEEE 802.11b/g, channels 1..14 */
-		REG_RULE(2412-20, 2484+20, 40, 6, 20, 0),
-		/* IEEE 802.11a, channels 34..48 */
-		REG_RULE(5170-20, 5240+20, 40, 6, 20,
-			NL80211_RRF_PASSIVE_SCAN),
-		/* IEEE 802.11a, channels 52..64 */
-		REG_RULE(5260-20, 5320+20, 40, 6, 20,
-			NL80211_RRF_NO_IBSS |
-			NL80211_RRF_DFS),
-	}
-};
-
-const struct ieee80211_regdomain eu_regdom = {
-	.n_reg_rules = 6,
-	/* This alpha2 is bogus, we leave it here just for stupid
-	 * backward compatibility */
-	.alpha2 =  "EU",
-	.reg_rules = {
-		/* IEEE 802.11b/g, channels 1..13 */
-		REG_RULE(2412-20, 2472+20, 40, 6, 20, 0),
-		/* IEEE 802.11a, channel 36 */
-		REG_RULE(5180-20, 5180+20, 40, 6, 23,
-			NL80211_RRF_PASSIVE_SCAN),
-		/* IEEE 802.11a, channel 40 */
-		REG_RULE(5200-20, 5200+20, 40, 6, 23,
-			NL80211_RRF_PASSIVE_SCAN),
-		/* IEEE 802.11a, channel 44 */
-		REG_RULE(5220-20, 5220+20, 40, 6, 23,
-			NL80211_RRF_PASSIVE_SCAN),
-		/* IEEE 802.11a, channels 48..64 */
-		REG_RULE(5240-20, 5320+20, 40, 6, 20,
-			NL80211_RRF_NO_IBSS |
-			NL80211_RRF_DFS),
-		/* IEEE 802.11a, channels 100..140 */
-		REG_RULE(5500-20, 5700+20, 40, 6, 30,
-			NL80211_RRF_NO_IBSS |
-			NL80211_RRF_DFS),
-	}
-};
-
-#endif
-
-struct ieee80211_regdomain *cfg80211_world_regdom =
-	(struct ieee80211_regdomain *) &world_regdom;
-
-LIST_HEAD(regulatory_requests);
-DEFINE_MUTEX(cfg80211_reg_mutex);
-
 /* RCU might be appropriate here since we usually
  * only read the list, and that can happen quite
  * often because we need to do it for each command */
 LIST_HEAD(cfg80211_drv_list);
 DEFINE_MUTEX(cfg80211_drv_mutex);
-static int wiphy_counter;
 
 /* for debugfs */
 static struct dentry *ieee80211_debugfs_dir;
@@ -307,6 +205,8 @@ out_unlock:
 
 struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv)
 {
+	static int wiphy_counter;
+
 	struct cfg80211_registered_device *drv;
 	int alloc_size;
 
@@ -323,21 +223,18 @@ struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv)
 
 	mutex_lock(&cfg80211_drv_mutex);
 
-	drv->idx = wiphy_counter;
-
-	/* now increase counter for the next device unless
-	 * it has wrapped previously */
-	if (wiphy_counter >= 0)
-		wiphy_counter++;
-
-	mutex_unlock(&cfg80211_drv_mutex);
+	drv->idx = wiphy_counter++;
 
 	if (unlikely(drv->idx < 0)) {
+		wiphy_counter--;
+		mutex_unlock(&cfg80211_drv_mutex);
 		/* ugh, wrapped! */
 		kfree(drv);
 		return NULL;
 	}
 
+	mutex_unlock(&cfg80211_drv_mutex);
+
 	/* give it a proper name */
 	snprintf(drv->wiphy.dev.bus_id, BUS_ID_SIZE,
 		 PHY_NAME "%d", drv->idx);
@@ -485,6 +382,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 
 	rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
 
+	WARN_ON(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_UNSPECIFIED);
+
 	switch (state) {
 	case NETDEV_REGISTER:
 		mutex_lock(&rdev->devlist_mtx);
@@ -514,34 +413,10 @@ static struct notifier_block cfg80211_netdev_notifier = {
 	.notifier_call = cfg80211_netdev_notifier_call,
 };
 
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-const struct ieee80211_regdomain *static_regdom(char *alpha2)
-{
-	if (alpha2[0] == 'U' && alpha2[1] == 'S')
-		return &us_regdom;
-	if (alpha2[0] == 'J' && alpha2[1] == 'P')
-		return &jp_regdom;
-	if (alpha2[0] == 'E' && alpha2[1] == 'U')
-		return &eu_regdom;
-	/* Default, as per the old rules */
-	return &us_regdom;
-}
-#endif
-
 static int cfg80211_init(void)
 {
 	int err;
 
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-	cfg80211_regdomain =
-		(struct ieee80211_regdomain *) static_regdom(ieee80211_regdom);
-	/* Used during reset_regdomains_static() */
-	cfg80211_world_regdom = cfg80211_regdomain;
-#else
-	cfg80211_regdomain =
-		(struct ieee80211_regdomain *) cfg80211_world_regdom;
-#endif
-
 	err = wiphy_sysfs_init();
 	if (err)
 		goto out_fail_sysfs;
@@ -560,25 +435,6 @@ static int cfg80211_init(void)
 	if (err)
 		goto out_fail_reg;
 
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-	printk(KERN_INFO "cfg80211: Using old static regulatory domain:\n");
-	print_regdomain_info(cfg80211_regdomain);
-	/* The old code still requests for a new regdomain and if
-	 * you have CRDA you get it updated, otherwise you get
-	 * stuck with the static values. We ignore "EU" code as
-	 * that is not a valid ISO / IEC 3166 alpha2 */
-	if (ieee80211_regdom[0] != 'E' &&
-			ieee80211_regdom[1] != 'U')
-		err = __regulatory_hint(NULL, REGDOM_SET_BY_CORE,
-			ieee80211_regdom, NULL);
-#else
-	err = __regulatory_hint(NULL, REGDOM_SET_BY_CORE, "00", NULL);
-	if (err)
-		printk(KERN_ERR "cfg80211: calling CRDA failed - "
-			"unable to update world regulatory domain, "
-			"using static definition\n");
-#endif
-
 	return 0;
 
 out_fail_reg:

net/wireless/nl80211.c

@@ -299,7 +299,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 
 	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
 	NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
-	/* TODO: interface type */
+	NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
 	return genlmsg_end(msg, hdr);
 
  nla_put_failure:
@@ -418,41 +418,56 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 	int err, ifindex;
 	enum nl80211_iftype type;
 	struct net_device *dev;
-	u32 flags;
+	u32 _flags, *flags = NULL;
 
 	memset(&params, 0, sizeof(params));
 
-	if (info->attrs[NL80211_ATTR_IFTYPE]) {
-		type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
-		if (type > NL80211_IFTYPE_MAX)
-			return -EINVAL;
-	} else
-		return -EINVAL;
-
 	err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
 	if (err)
 		return err;
 	ifindex = dev->ifindex;
+	type = dev->ieee80211_ptr->iftype;
 	dev_put(dev);
 
+	err = -EINVAL;
+	if (info->attrs[NL80211_ATTR_IFTYPE]) {
+		type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
+		if (type > NL80211_IFTYPE_MAX)
+			goto unlock;
+	}
+
 	if (!drv->ops->change_virtual_intf ||
 	    !(drv->wiphy.interface_modes & (1 << type))) {
 		err = -EOPNOTSUPP;
 		goto unlock;
 	}
 
-	if (type == NL80211_IFTYPE_MESH_POINT &&
-	    info->attrs[NL80211_ATTR_MESH_ID]) {
+	if (info->attrs[NL80211_ATTR_MESH_ID]) {
+		if (type != NL80211_IFTYPE_MESH_POINT) {
+			err = -EINVAL;
+			goto unlock;
+		}
 		params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
 		params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
 	}
 
+	if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
+		if (type != NL80211_IFTYPE_MONITOR) {
+			err = -EINVAL;
+			goto unlock;
+		}
+		err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS],
+					  &_flags);
+		if (!err)
+			flags = &_flags;
+	}
 	rtnl_lock();
-	err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
-				  info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
-				  &flags);
 	err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
-					    type, err ? NULL : &flags, &params);
+					    type, flags, &params);
+
+	dev = __dev_get_by_index(&init_net, ifindex);
+	WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != type));
+
 	rtnl_unlock();
 
  unlock:

net/wireless/reg.c

@@ -42,6 +42,18 @@
 #include "core.h"
 #include "reg.h"
 
+/* wiphy is set if this request's initiator is REGDOM_SET_BY_DRIVER */
+struct regulatory_request {
+	struct list_head list;
+	struct wiphy *wiphy;
+	int granted;
+	enum reg_set_by initiator;
+	char alpha2[2];
+};
+
+static LIST_HEAD(regulatory_requests);
+DEFINE_MUTEX(cfg80211_reg_mutex);
+
 /* To trigger userspace events */
 static struct platform_device *reg_pdev;
 
@@ -51,7 +63,156 @@ static u32 supported_bandwidths[] = {
 	MHZ_TO_KHZ(20),
 };
 
-bool is_world_regdom(char *alpha2)
+static struct list_head regulatory_requests;
+
+/* Central wireless core regulatory domains, we only need two,
+ * the current one and a world regulatory domain in case we have no
+ * information to give us an alpha2 */
+static const struct ieee80211_regdomain *cfg80211_regdomain;
+
+/* We keep a static world regulatory domain in case of the absence of CRDA */
+static const struct ieee80211_regdomain world_regdom = {
+	.n_reg_rules = 1,
+	.alpha2 =  "00",
+	.reg_rules = {
+		REG_RULE(2412-10, 2462+10, 40, 6, 20,
+			NL80211_RRF_PASSIVE_SCAN |
+			NL80211_RRF_NO_IBSS),
+	}
+};
+
+static const struct ieee80211_regdomain *cfg80211_world_regdom =
+	&world_regdom;
+
+#ifdef CONFIG_WIRELESS_OLD_REGULATORY
+static char *ieee80211_regdom = "US";
+module_param(ieee80211_regdom, charp, 0444);
+MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
+
+/* We assume 40 MHz bandwidth for the old regulatory work.
+ * We make emphasis we are using the exact same frequencies
+ * as before */
+
+static const struct ieee80211_regdomain us_regdom = {
+	.n_reg_rules = 6,
+	.alpha2 =  "US",
+	.reg_rules = {
+		/* IEEE 802.11b/g, channels 1..11 */
+		REG_RULE(2412-10, 2462+10, 40, 6, 27, 0),
+		/* IEEE 802.11a, channel 36 */
+		REG_RULE(5180-10, 5180+10, 40, 6, 23, 0),
+		/* IEEE 802.11a, channel 40 */
+		REG_RULE(5200-10, 5200+10, 40, 6, 23, 0),
+		/* IEEE 802.11a, channel 44 */
+		REG_RULE(5220-10, 5220+10, 40, 6, 23, 0),
+		/* IEEE 802.11a, channels 48..64 */
+		REG_RULE(5240-10, 5320+10, 40, 6, 23, 0),
+		/* IEEE 802.11a, channels 149..165, outdoor */
+		REG_RULE(5745-10, 5825+10, 40, 6, 30, 0),
+	}
+};
+
+static const struct ieee80211_regdomain jp_regdom = {
+	.n_reg_rules = 3,
+	.alpha2 =  "JP",
+	.reg_rules = {
+		/* IEEE 802.11b/g, channels 1..14 */
+		REG_RULE(2412-10, 2484+10, 40, 6, 20, 0),
+		/* IEEE 802.11a, channels 34..48 */
+		REG_RULE(5170-10, 5240+10, 40, 6, 20,
+			NL80211_RRF_PASSIVE_SCAN),
+		/* IEEE 802.11a, channels 52..64 */
+		REG_RULE(5260-10, 5320+10, 40, 6, 20,
+			NL80211_RRF_NO_IBSS |
+			NL80211_RRF_DFS),
+	}
+};
+
+static const struct ieee80211_regdomain eu_regdom = {
+	.n_reg_rules = 6,
+	/* This alpha2 is bogus, we leave it here just for stupid
+	 * backward compatibility */
+	.alpha2 =  "EU",
+	.reg_rules = {
+		/* IEEE 802.11b/g, channels 1..13 */
+		REG_RULE(2412-10, 2472+10, 40, 6, 20, 0),
+		/* IEEE 802.11a, channel 36 */
+		REG_RULE(5180-10, 5180+10, 40, 6, 23,
+			NL80211_RRF_PASSIVE_SCAN),
+		/* IEEE 802.11a, channel 40 */
+		REG_RULE(5200-10, 5200+10, 40, 6, 23,
+			NL80211_RRF_PASSIVE_SCAN),
+		/* IEEE 802.11a, channel 44 */
+		REG_RULE(5220-10, 5220+10, 40, 6, 23,
+			NL80211_RRF_PASSIVE_SCAN),
+		/* IEEE 802.11a, channels 48..64 */
+		REG_RULE(5240-10, 5320+10, 40, 6, 20,
+			NL80211_RRF_NO_IBSS |
+			NL80211_RRF_DFS),
+		/* IEEE 802.11a, channels 100..140 */
+		REG_RULE(5500-10, 5700+10, 40, 6, 30,
+			NL80211_RRF_NO_IBSS |
+			NL80211_RRF_DFS),
+	}
+};
+
+static const struct ieee80211_regdomain *static_regdom(char *alpha2)
+{
+	if (alpha2[0] == 'U' && alpha2[1] == 'S')
+		return &us_regdom;
+	if (alpha2[0] == 'J' && alpha2[1] == 'P')
+		return &jp_regdom;
+	if (alpha2[0] == 'E' && alpha2[1] == 'U')
+		return &eu_regdom;
+	/* Default, as per the old rules */
+	return &us_regdom;
+}
+
+static bool is_old_static_regdom(const struct ieee80211_regdomain *rd)
+{
+	if (rd == &us_regdom || rd == &jp_regdom || rd == &eu_regdom)
+		return true;
+	return false;
+}
+#else
+static inline bool is_old_static_regdom(const struct ieee80211_regdomain *rd)
+{
+	return false;
+}
+#endif
+
+static void reset_regdomains(void)
+{
+	/* avoid freeing static information or freeing something twice */
+	if (cfg80211_regdomain == cfg80211_world_regdom)
+		cfg80211_regdomain = NULL;
+	if (cfg80211_world_regdom == &world_regdom)
+		cfg80211_world_regdom = NULL;
+	if (cfg80211_regdomain == &world_regdom)
+		cfg80211_regdomain = NULL;
+	if (is_old_static_regdom(cfg80211_regdomain))
+		cfg80211_regdomain = NULL;
+
+	kfree(cfg80211_regdomain);
+	kfree(cfg80211_world_regdom);
+
+	cfg80211_world_regdom = &world_regdom;
+	cfg80211_regdomain = NULL;
+}
+
+/* Dynamic world regulatory domain requested by the wireless
+ * core upon initialization */
+static void update_world_regdomain(const struct ieee80211_regdomain *rd)
+{
+	BUG_ON(list_empty(&regulatory_requests));
+
+	reset_regdomains();
+
+	cfg80211_world_regdom = rd;
+	cfg80211_regdomain = rd;
+}
+
+bool is_world_regdom(const char *alpha2)
 {
 	if (!alpha2)
 		return false;
@@ -60,7 +221,7 @@ bool is_world_regdom(char *alpha2)
 	return false;
 }
 
-static bool is_alpha2_set(char *alpha2)
+static bool is_alpha2_set(const char *alpha2)
 {
 	if (!alpha2)
 		return false;
@@ -77,7 +238,7 @@ static bool is_alpha_upper(char letter)
 	return false;
 }
 
-static bool is_unknown_alpha2(char *alpha2)
+static bool is_unknown_alpha2(const char *alpha2)
 {
 	if (!alpha2)
 		return false;
@@ -88,7 +249,7 @@ static bool is_unknown_alpha2(char *alpha2)
 	return false;
 }
 
-static bool is_an_alpha2(char *alpha2)
+static bool is_an_alpha2(const char *alpha2)
 {
 	if (!alpha2)
 		return false;
@@ -97,7 +258,7 @@ static bool is_an_alpha2(char *alpha2)
 	return false;
 }
 
-static bool alpha2_equal(char *alpha2_x, char *alpha2_y)
+static bool alpha2_equal(const char *alpha2_x, const char *alpha2_y)
 {
 	if (!alpha2_x || !alpha2_y)
 		return false;
@@ -107,7 +268,7 @@ static bool alpha2_equal(char *alpha2_x, char *alpha2_y)
 	return false;
 }
 
-static bool regdom_changed(char *alpha2)
+static bool regdom_changed(const char *alpha2)
 {
 	if (!cfg80211_regdomain)
 		return true;
@@ -130,12 +291,8 @@ static int call_crda(const char *alpha2)
 		printk(KERN_INFO "cfg80211: Calling CRDA for country: %c%c\n",
 			alpha2[0], alpha2[1]);
 	else
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-		return -EINVAL;
-#else
 		printk(KERN_INFO "cfg80211: Calling CRDA to update world "
 			"regulatory domain\n");
-#endif
 
 	country_env[8] = alpha2[0];
 	country_env[9] = alpha2[1];
@@ -238,7 +395,7 @@ static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
 	}
 }
 
-static bool __reg_is_valid_request(char *alpha2,
+static bool __reg_is_valid_request(const char *alpha2,
 	struct regulatory_request **request)
 {
 	struct regulatory_request *req;
@@ -254,16 +411,16 @@ static bool __reg_is_valid_request(char *alpha2,
 }
 
 /* Used by nl80211 before kmalloc'ing our regulatory domain */
-bool reg_is_valid_request(char *alpha2)
+bool reg_is_valid_request(const char *alpha2)
 {
 	struct regulatory_request *request = NULL;
 	return  __reg_is_valid_request(alpha2, &request);
 }
 
 /* Sanity check on a regulatory rule */
-static bool is_valid_reg_rule(struct ieee80211_reg_rule *rule)
+static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)
 {
-	struct ieee80211_freq_range *freq_range = &rule->freq_range;
+	const struct ieee80211_freq_range *freq_range = &rule->freq_range;
 	u32 freq_diff;
 
 	if (freq_range->start_freq_khz == 0 || freq_range->end_freq_khz == 0)
@@ -280,9 +437,9 @@ static bool is_valid_reg_rule(struct ieee80211_reg_rule *rule)
 	return true;
 }
 
-static bool is_valid_rd(struct ieee80211_regdomain *rd)
+static bool is_valid_rd(const struct ieee80211_regdomain *rd)
 {
-	struct ieee80211_reg_rule *reg_rule = NULL;
+	const struct ieee80211_reg_rule *reg_rule = NULL;
 	unsigned int i;
 
 	if (!rd->n_reg_rules)
@@ -494,12 +651,12 @@ unlock_and_exit:
 EXPORT_SYMBOL(regulatory_hint);
 
 
-static void print_rd_rules(struct ieee80211_regdomain *rd)
+static void print_rd_rules(const struct ieee80211_regdomain *rd)
 {
 	unsigned int i;
-	struct ieee80211_reg_rule *reg_rule = NULL;
-	struct ieee80211_freq_range *freq_range = NULL;
-	struct ieee80211_power_rule *power_rule = NULL;
+	const struct ieee80211_reg_rule *reg_rule = NULL;
+	const struct ieee80211_freq_range *freq_range = NULL;
+	const struct ieee80211_power_rule *power_rule = NULL;
 
 	printk(KERN_INFO "\t(start_freq - end_freq @ bandwidth), "
 		"(max_antenna_gain, max_eirp)\n");
@@ -529,7 +686,7 @@ static void print_rd_rules(struct ieee80211_regdomain *rd)
 	}
 }
 
-static void print_regdomain(struct ieee80211_regdomain *rd)
+static void print_regdomain(const struct ieee80211_regdomain *rd)
 {
 
 	if (is_world_regdom(rd->alpha2))
@@ -548,85 +705,25 @@ static void print_regdomain(struct ieee80211_regdomain *rd)
 	print_rd_rules(rd);
 }
 
-void print_regdomain_info(struct ieee80211_regdomain *rd)
+void print_regdomain_info(const struct ieee80211_regdomain *rd)
 {
 	printk(KERN_INFO "cfg80211: Regulatory domain: %c%c\n",
 		rd->alpha2[0], rd->alpha2[1]);
 	print_rd_rules(rd);
 }
 
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-
-static bool is_old_static_regdom(struct ieee80211_regdomain *rd)
-{
-	if (rd == &us_regdom || rd == &jp_regdom || rd == &eu_regdom)
-		return true;
-	return false;
-}
-
-/* The old crap never deals with a world regulatory domain, it only
- * deals with the static regulatory domain passed and if possible
- * an updated "US" or "JP" regulatory domain. We do however store the
- * old static regulatory domain in cfg80211_world_regdom for convenience
- * of use here */
-static void reset_regdomains_static(void)
-{
-	if (!is_old_static_regdom(cfg80211_regdomain))
-		kfree(cfg80211_regdomain);
-	/* This is setting the regdom to the old static regdom */
-	cfg80211_regdomain =
-		(struct ieee80211_regdomain *) cfg80211_world_regdom;
-}
-#else
-static void reset_regdomains(void)
-{
-	if (cfg80211_world_regdom && cfg80211_world_regdom != &world_regdom) {
-		if (cfg80211_world_regdom == cfg80211_regdomain) {
-			kfree(cfg80211_regdomain);
-		} else {
-			kfree(cfg80211_world_regdom);
-			kfree(cfg80211_regdomain);
-		}
-	} else if (cfg80211_regdomain && cfg80211_regdomain != &world_regdom)
-		kfree(cfg80211_regdomain);
-
-	cfg80211_world_regdom = (struct ieee80211_regdomain *) &world_regdom;
-	cfg80211_regdomain = NULL;
-}
-
-/* Dynamic world regulatory domain requested by the wireless
- * core upon initialization */
-static void update_world_regdomain(struct ieee80211_regdomain *rd)
-{
-	BUG_ON(list_empty(&regulatory_requests));
-
-	reset_regdomains();
-
-	cfg80211_world_regdom = rd;
-	cfg80211_regdomain = rd;
-}
-#endif
-
-static int __set_regdom(struct ieee80211_regdomain *rd)
+static int __set_regdom(const struct ieee80211_regdomain *rd)
 {
 	struct regulatory_request *request = NULL;
 
 	/* Some basic sanity checks first */
 
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-	/* We ignore the world regdom with the old static regdomains setup
-	 * as there is no point to it with satic regulatory definitions :(
-	 * Don't worry this shit will be removed soon... */
-	if (is_world_regdom(rd->alpha2))
-		return -EINVAL;
-#else
 	if (is_world_regdom(rd->alpha2)) {
 		if (WARN_ON(!__reg_is_valid_request(rd->alpha2, &request)))
 			return -EINVAL;
 		update_world_regdomain(rd);
 		return 0;
 	}
-#endif
 
 	if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) &&
 			!is_unknown_alpha2(rd->alpha2))
@@ -635,15 +732,10 @@ static int __set_regdom(struct ieee80211_regdomain *rd)
 	if (list_empty(&regulatory_requests))
 		return -EINVAL;
 
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-	/* Static "US" and "JP" will be overridden, but just once */
+	/* allow overriding the static definitions if CRDA is present */
 	if (!is_old_static_regdom(cfg80211_regdomain) &&
-			!regdom_changed(rd->alpha2))
-		return -EINVAL;
-#else
-	if (!regdom_changed(rd->alpha2))
+	    !regdom_changed(rd->alpha2))
 		return -EINVAL;
-#endif
 
 	/* Now lets set the regulatory domain, update all driver channels
 	 * and finally inform them of what we have done, in case they want
@@ -653,11 +745,7 @@ static int __set_regdom(struct ieee80211_regdomain *rd)
 	if (WARN_ON(!__reg_is_valid_request(rd->alpha2, &request)))
 		return -EINVAL;
 
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-	reset_regdomains_static();
-#else
 	reset_regdomains();
-#endif
 
 	/* Country IE parsing coming soon */
 	switch (request->initiator) {
@@ -689,7 +777,7 @@ static int __set_regdom(struct ieee80211_regdomain *rd)
  * multiple drivers can be ironed out later. Caller must've already
  * kmalloc'd the rd structure. If this calls fails you should kfree()
  * the passed rd. Caller must hold cfg80211_drv_mutex */
-int set_regdom(struct ieee80211_regdomain *rd)
+int set_regdom(const struct ieee80211_regdomain *rd)
 {
 	struct regulatory_request *this_request = NULL, *prev_request = NULL;
 	int r;
@@ -735,25 +823,50 @@ int set_regdom(struct ieee80211_regdomain *rd)
 
 int regulatory_init(void)
 {
+	int err;
+
 	reg_pdev = platform_device_register_simple("regulatory", 0, NULL, 0);
 	if (IS_ERR(reg_pdev))
 		return PTR_ERR(reg_pdev);
+
+#ifdef CONFIG_WIRELESS_OLD_REGULATORY
+	cfg80211_regdomain = static_regdom(ieee80211_regdom);
+
+	printk(KERN_INFO "cfg80211: Using static regulatory domain info\n");
+	print_regdomain_info(cfg80211_regdomain);
+	/* The old code still requests for a new regdomain and if
+	 * you have CRDA you get it updated, otherwise you get
+	 * stuck with the static values. We ignore "EU" code as
+	 * that is not a valid ISO / IEC 3166 alpha2 */
+	if (ieee80211_regdom[0] != 'E' && ieee80211_regdom[1] != 'U')
+		err = __regulatory_hint(NULL, REGDOM_SET_BY_CORE,
+					ieee80211_regdom, NULL);
+#else
+	cfg80211_regdomain = cfg80211_world_regdom;
+
+	err = __regulatory_hint(NULL, REGDOM_SET_BY_CORE, "00", NULL);
+	if (err)
+		printk(KERN_ERR "cfg80211: calling CRDA failed - "
+		       "unable to update world regulatory domain, "
+		       "using static definition\n");
+#endif
+
 	return 0;
 }
 
 void regulatory_exit(void)
 {
 	struct regulatory_request *req, *req_tmp;
+
 	mutex_lock(&cfg80211_drv_mutex);
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-	reset_regdomains_static();
-#else
+
 	reset_regdomains();
-#endif
+
 	list_for_each_entry_safe(req, req_tmp, &regulatory_requests, list) {
 		list_del(&req->list);
 		kfree(req);
 	}
 	platform_device_unregister(reg_pdev);
+
 	mutex_unlock(&cfg80211_drv_mutex);
 }

net/wireless/reg.h

@@ -1,44 +1,13 @@
 #ifndef __NET_WIRELESS_REG_H
 #define __NET_WIRELESS_REG_H
 
-extern const struct ieee80211_regdomain world_regdom;
-#ifdef CONFIG_WIRELESS_OLD_REGULATORY
-extern const struct ieee80211_regdomain us_regdom;
-extern const struct ieee80211_regdomain jp_regdom;
-extern const struct ieee80211_regdomain eu_regdom;
-#endif
-
-extern struct ieee80211_regdomain *cfg80211_regdomain;
-extern struct ieee80211_regdomain *cfg80211_world_regdom;
-extern struct list_head regulatory_requests;
-
-struct regdom_last_setby {
-	struct wiphy *wiphy;
-	u8 initiator;
-};
-
-/* wiphy is set if this request's initiator is REGDOM_SET_BY_DRIVER */
-struct regulatory_request {
-	struct list_head list;
-	struct wiphy *wiphy;
-	int granted;
-	enum reg_set_by initiator;
-	char alpha2[2];
-};
-
-bool is_world_regdom(char *alpha2);
-bool reg_is_valid_request(char *alpha2);
-
-int set_regdom(struct ieee80211_regdomain *rd);
-int __regulatory_hint_alpha2(struct wiphy *wiphy, enum reg_set_by set_by,
-		      const char *alpha2);
+extern struct mutex cfg80211_reg_mutex;
+bool is_world_regdom(const char *alpha2);
+bool reg_is_valid_request(const char *alpha2);
 
 int regulatory_init(void);
 void regulatory_exit(void);
 
-void print_regdomain_info(struct ieee80211_regdomain *);
-
-/* If a char is A-Z */
-#define IS_ALPHA(letter) (letter >= 65 && letter <= 90)
+int set_regdom(const struct ieee80211_regdomain *rd);
 
 #endif  /* __NET_WIRELESS_REG_H */