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

drivers/bcma/Kconfig

@@ -13,6 +13,11 @@ config BCMA
 	  Bus driver for Broadcom specific Advanced Microcontroller Bus
 	  Architecture.
 
+# Support for Block-I/O. SELECT this from the driver that needs it.
+config BCMA_BLOCKIO
+	bool
+	depends on BCMA
+
 config BCMA_HOST_PCI_POSSIBLE
 	bool
 	depends on BCMA && PCI = y

drivers/bcma/Makefile

@@ -1,4 +1,4 @@
-bcma-y					+= main.o scan.o core.o
+bcma-y					+= main.o scan.o core.o sprom.o
 bcma-y					+= driver_chipcommon.o driver_chipcommon_pmu.o
 bcma-y					+= driver_pci.o
 bcma-$(CONFIG_BCMA_HOST_PCI)		+= host_pci.o

drivers/bcma/bcma_private.h

@@ -19,6 +19,9 @@ extern void bcma_bus_unregister(struct bcma_bus *bus);
 /* scan.c */
 int bcma_bus_scan(struct bcma_bus *bus);
 
+/* sprom.c */
+int bcma_sprom_get(struct bcma_bus *bus);
+
 #ifdef CONFIG_BCMA_HOST_PCI
 /* host_pci.c */
 extern int __init bcma_host_pci_init(void);

drivers/bcma/driver_pci.c

@@ -161,3 +161,26 @@ void bcma_core_pci_init(struct bcma_drv_pci *pc)
 {
 	bcma_pcicore_serdes_workaround(pc);
 }
+
+int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
+			  bool enable)
+{
+	struct pci_dev *pdev = pc->core->bus->host_pci;
+	u32 coremask, tmp;
+	int err;
+
+	err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+	if (err)
+		goto out;
+
+	coremask = BIT(core->core_index) << 8;
+	if (enable)
+		tmp |= coremask;
+	else
+		tmp &= ~coremask;
+
+	err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
+
+out:
+	return err;
+}

drivers/bcma/host_pci.c

@@ -65,6 +65,54 @@ static void bcma_host_pci_write32(struct bcma_device *core, u16 offset,
 	iowrite32(value, core->bus->mmio + offset);
 }
 
+#ifdef CONFIG_BCMA_BLOCKIO
+void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
+			      size_t count, u16 offset, u8 reg_width)
+{
+	void __iomem *addr = core->bus->mmio + offset;
+	if (core->bus->mapped_core != core)
+		bcma_host_pci_switch_core(core);
+	switch (reg_width) {
+	case sizeof(u8):
+		ioread8_rep(addr, buffer, count);
+		break;
+	case sizeof(u16):
+		WARN_ON(count & 1);
+		ioread16_rep(addr, buffer, count >> 1);
+		break;
+	case sizeof(u32):
+		WARN_ON(count & 3);
+		ioread32_rep(addr, buffer, count >> 2);
+		break;
+	default:
+		WARN_ON(1);
+	}
+}
+
+void bcma_host_pci_block_write(struct bcma_device *core, const void *buffer,
+			       size_t count, u16 offset, u8 reg_width)
+{
+	void __iomem *addr = core->bus->mmio + offset;
+	if (core->bus->mapped_core != core)
+		bcma_host_pci_switch_core(core);
+	switch (reg_width) {
+	case sizeof(u8):
+		iowrite8_rep(addr, buffer, count);
+		break;
+	case sizeof(u16):
+		WARN_ON(count & 1);
+		iowrite16_rep(addr, buffer, count >> 1);
+		break;
+	case sizeof(u32):
+		WARN_ON(count & 3);
+		iowrite32_rep(addr, buffer, count >> 2);
+		break;
+	default:
+		WARN_ON(1);
+	}
+}
+#endif
+
 static u32 bcma_host_pci_aread32(struct bcma_device *core, u16 offset)
 {
 	if (core->bus->mapped_core != core)
@@ -87,6 +135,10 @@ const struct bcma_host_ops bcma_host_pci_ops = {
 	.write8		= bcma_host_pci_write8,
 	.write16	= bcma_host_pci_write16,
 	.write32	= bcma_host_pci_write32,
+#ifdef CONFIG_BCMA_BLOCKIO
+	.block_read	= bcma_host_pci_block_read,
+	.block_write	= bcma_host_pci_block_write,
+#endif
 	.aread32	= bcma_host_pci_aread32,
 	.awrite32	= bcma_host_pci_awrite32,
 };

drivers/bcma/main.c

@@ -89,6 +89,8 @@ static int bcma_register_cores(struct bcma_bus *bus)
 		switch (bus->hosttype) {
 		case BCMA_HOSTTYPE_PCI:
 			core->dev.parent = &bus->host_pci->dev;
+			core->dma_dev = &bus->host_pci->dev;
+			core->irq = bus->host_pci->irq;
 			break;
 		case BCMA_HOSTTYPE_NONE:
 		case BCMA_HOSTTYPE_SDIO:
@@ -144,6 +146,13 @@ int bcma_bus_register(struct bcma_bus *bus)
 		bcma_core_pci_init(&bus->drv_pci);
 	}
 
+	/* Try to get SPROM */
+	err = bcma_sprom_get(bus);
+	if (err) {
+		pr_err("Failed to get SPROM: %d\n", err);
+		return -ENOENT;
+	}
+
 	/* Register found cores */
 	bcma_register_cores(bus);
 

drivers/bcma/sprom.c

@@ -0,0 +1,162 @@
+/*
+ * Broadcom specific AMBA
+ * SPROM reading
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+#include <linux/bcma/bcma_regs.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+
+#define SPOFF(offset)	((offset) / sizeof(u16))
+
+/**************************************************
+ * R/W ops.
+ **************************************************/
+
+static void bcma_sprom_read(struct bcma_bus *bus, u16 *sprom)
+{
+	int i;
+	for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++)
+		sprom[i] = bcma_read16(bus->drv_cc.core,
+				       BCMA_CC_SPROM + (i * 2));
+}
+
+/**************************************************
+ * Validation.
+ **************************************************/
+
+static inline u8 bcma_crc8(u8 crc, u8 data)
+{
+	/* Polynomial:   x^8 + x^7 + x^6 + x^4 + x^2 + 1   */
+	static const u8 t[] = {
+		0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
+		0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
+		0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
+		0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
+		0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
+		0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
+		0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
+		0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
+		0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
+		0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
+		0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
+		0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
+		0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
+		0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
+		0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
+		0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
+		0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
+		0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
+		0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
+		0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
+		0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
+		0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
+		0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
+		0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
+		0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
+		0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
+		0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
+		0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
+		0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
+		0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
+		0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
+		0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
+	};
+	return t[crc ^ data];
+}
+
+static u8 bcma_sprom_crc(const u16 *sprom)
+{
+	int word;
+	u8 crc = 0xFF;
+
+	for (word = 0; word < SSB_SPROMSIZE_WORDS_R4 - 1; word++) {
+		crc = bcma_crc8(crc, sprom[word] & 0x00FF);
+		crc = bcma_crc8(crc, (sprom[word] & 0xFF00) >> 8);
+	}
+	crc = bcma_crc8(crc, sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & 0x00FF);
+	crc ^= 0xFF;
+
+	return crc;
+}
+
+static int bcma_sprom_check_crc(const u16 *sprom)
+{
+	u8 crc;
+	u8 expected_crc;
+	u16 tmp;
+
+	crc = bcma_sprom_crc(sprom);
+	tmp = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_CRC;
+	expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
+	if (crc != expected_crc)
+		return -EPROTO;
+
+	return 0;
+}
+
+static int bcma_sprom_valid(const u16 *sprom)
+{
+	u16 revision;
+	int err;
+
+	err = bcma_sprom_check_crc(sprom);
+	if (err)
+		return err;
+
+	revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV;
+	if (revision != 8) {
+		pr_err("Unsupported SPROM revision: %d\n", revision);
+		return -ENOENT;
+	}
+
+	return 0;
+}
+
+/**************************************************
+ * SPROM extraction.
+ **************************************************/
+
+static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
+{
+	u16 v;
+	int i;
+
+	for (i = 0; i < 3; i++) {
+		v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
+		*(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
+	}
+}
+
+int bcma_sprom_get(struct bcma_bus *bus)
+{
+	u16 *sprom;
+	int err = 0;
+
+	if (!bus->drv_cc.core)
+		return -EOPNOTSUPP;
+
+	sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
+			GFP_KERNEL);
+	if (!sprom)
+		return -ENOMEM;
+
+	bcma_sprom_read(bus, sprom);
+
+	err = bcma_sprom_valid(sprom);
+	if (err)
+		goto out;
+
+	bcma_sprom_extract_r8(bus, sprom);
+
+out:
+	kfree(sprom);
+	return err;
+}

drivers/net/wireless/ath/ath.h

@@ -161,6 +161,7 @@ struct ath_common {
 	const struct ath_bus_ops *bus_ops;
 
 	bool btcoex_enabled;
+	bool disable_ani;
 };
 
 struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,

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

@@ -72,6 +72,11 @@ static int modparam_all_channels;
 module_param_named(all_channels, modparam_all_channels, bool, S_IRUGO);
 MODULE_PARM_DESC(all_channels, "Expose all channels the device can use.");
 
+static int modparam_fastchanswitch;
+module_param_named(fastchanswitch, modparam_fastchanswitch, bool, S_IRUGO);
+MODULE_PARM_DESC(fastchanswitch, "Enable fast channel switching for AR2413/AR5413 radios.");
+
+
 /* Module info */
 MODULE_AUTHOR("Jiri Slaby");
 MODULE_AUTHOR("Nick Kossifidis");
@@ -2686,6 +2691,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
 	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common = ath5k_hw_common(ah);
 	int ret, ani_mode;
+	bool fast;
 
 	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
 
@@ -2705,7 +2711,10 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
 	ath5k_drain_tx_buffs(sc);
 	if (chan)
 		sc->curchan = chan;
-	ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL,
+
+	fast = ((chan != NULL) && modparam_fastchanswitch) ? 1 : 0;
+
+	ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, fast,
 								skip_pcu);
 	if (ret) {
 		ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret);

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

@@ -1124,8 +1124,11 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 			/* Non fatal, can happen eg.
 			 * on mode change */
 			ret = 0;
-		} else
+		} else {
+			ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_RESET,
+				"fast chan change successful\n");
 			return 0;
+		}
 	}
 
 	/*

drivers/net/wireless/ath/ath9k/ar9002_mac.c

@@ -28,11 +28,6 @@ static void ar9002_hw_set_desc_link(void *ds, u32 ds_link)
 	((struct ath_desc*) ds)->ds_link = ds_link;
 }
 
-static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link)
-{
-	*ds_link = &((struct ath_desc *)ds)->ds_link;
-}
-
 static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 {
 	u32 isr = 0;
@@ -437,7 +432,6 @@ void ar9002_hw_attach_mac_ops(struct ath_hw *ah)
 
 	ops->rx_enable = ar9002_hw_rx_enable;
 	ops->set_desc_link = ar9002_hw_set_desc_link;
-	ops->get_desc_link = ar9002_hw_get_desc_link;
 	ops->get_isr = ar9002_hw_get_isr;
 	ops->fill_txdesc = ar9002_hw_fill_txdesc;
 	ops->proc_txdesc = ar9002_hw_proc_txdesc;

drivers/net/wireless/ath/ath9k/ar9003_mac.c

@@ -43,13 +43,6 @@ static void ar9003_hw_set_desc_link(void *ds, u32 ds_link)
 	ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
 }
 
-static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
-{
-	struct ar9003_txc *ads = ds;
-
-	*ds_link = &ads->link;
-}
-
 static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 {
 	u32 isr = 0;
@@ -498,7 +491,6 @@ void ar9003_hw_attach_mac_ops(struct ath_hw *hw)
 
 	ops->rx_enable = ar9003_hw_rx_enable;
 	ops->set_desc_link = ar9003_hw_set_desc_link;
-	ops->get_desc_link = ar9003_hw_get_desc_link;
 	ops->get_isr = ar9003_hw_get_isr;
 	ops->fill_txdesc = ar9003_hw_fill_txdesc;
 	ops->proc_txdesc = ar9003_hw_proc_txdesc;

drivers/net/wireless/ath/ath9k/ar9003_paprd.c

@@ -46,11 +46,10 @@ EXPORT_SYMBOL(ar9003_paprd_enable);
 
 static int ar9003_get_training_power_2g(struct ath_hw *ah)
 {
-	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
-	struct ar9300_modal_eep_header *hdr = &eep->modalHeader2G;
+	struct ath9k_channel *chan = ah->curchan;
 	unsigned int power, scale, delta;
 
-	scale = MS(le32_to_cpu(hdr->papdRateMaskHt20), AR9300_PAPRD_SCALE_1);
+	scale = ar9003_get_paprd_scale_factor(ah, chan);
 	power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5,
 			       AR_PHY_POWERTX_RATE5_POWERTXHT20_0);
 
@@ -67,20 +66,10 @@ static int ar9003_get_training_power_2g(struct ath_hw *ah)
 static int ar9003_get_training_power_5g(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
-	struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
-	struct ar9300_modal_eep_header *hdr = &eep->modalHeader5G;
 	struct ath9k_channel *chan = ah->curchan;
 	unsigned int power, scale, delta;
 
-	if (chan->channel >= 5700)
-		scale = MS(le32_to_cpu(hdr->papdRateMaskHt20),
-			   AR9300_PAPRD_SCALE_1);
-	else if (chan->channel >= 5400)
-		scale = MS(le32_to_cpu(hdr->papdRateMaskHt40),
-			   AR9300_PAPRD_SCALE_2);
-	else
-		scale = MS(le32_to_cpu(hdr->papdRateMaskHt40),
-			   AR9300_PAPRD_SCALE_1);
+	scale = ar9003_get_paprd_scale_factor(ah, chan);
 
 	if (IS_CHAN_HT40(chan))
 		power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE8,
@@ -119,15 +108,16 @@ static int ar9003_paprd_setup_single_table(struct ath_hw *ah)
 	else
 		training_power = ar9003_get_training_power_5g(ah);
 
+	ath_dbg(common, ATH_DBG_CALIBRATE,
+		"Training power: %d, Target power: %d\n",
+		training_power, ah->paprd_target_power);
+
 	if (training_power < 0) {
 		ath_dbg(common, ATH_DBG_CALIBRATE,
 			"PAPRD target power delta out of range");
 		return -ERANGE;
 	}
 	ah->paprd_training_power = training_power;
-	ath_dbg(common, ATH_DBG_CALIBRATE,
-		"Training power: %d, Target power: %d\n",
-		ah->paprd_training_power, ah->paprd_target_power);
 
 	REG_RMW_FIELD(ah, AR_PHY_PAPRD_AM2AM, AR_PHY_PAPRD_AM2AM_MASK,
 		      ah->paprd_ratemask);

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

@@ -180,7 +180,7 @@ enum ATH_AGGR_STATUS {
 struct ath_txq {
 	int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
 	u32 axq_qnum; /* ath9k hardware queue number */
-	u32 *axq_link;
+	void *axq_link;
 	struct list_head axq_q;
 	spinlock_t axq_lock;
 	u32 axq_depth;
@@ -189,7 +189,6 @@ struct ath_txq {
 	bool axq_tx_inprogress;
 	struct list_head axq_acq;
 	struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
-	struct list_head txq_fifo_pending;
 	u8 txq_headidx;
 	u8 txq_tailidx;
 	int pending_frames;
@@ -429,6 +428,7 @@ void ath_hw_check(struct work_struct *work);
 void ath_hw_pll_work(struct work_struct *work);
 void ath_paprd_calibrate(struct work_struct *work);
 void ath_ani_calibrate(unsigned long data);
+void ath_start_ani(struct ath_common *common);
 
 /**********/
 /* BTCOEX */
@@ -670,12 +670,8 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
 		    const struct ath_bus_ops *bus_ops);
 void ath9k_deinit_device(struct ath_softc *sc);
 void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
-int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
-		    struct ath9k_channel *hchan);
 
-void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
 void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
-bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode);
 bool ath9k_uses_beacons(int type);
 
 #ifdef CONFIG_ATH9K_PCI

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

@@ -496,7 +496,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
 	u32 nexttbtt, intval;
 
 	/* NB: the beacon interval is kept internally in TU's */
-	intval = TU_TO_USEC(conf->beacon_interval & ATH9K_BEACON_PERIOD);
+	intval = TU_TO_USEC(conf->beacon_interval);
 	intval /= ATH_BCBUF;    /* for staggered beacons */
 	nexttbtt = intval;
 
@@ -543,7 +543,7 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
 	}
 
 	memset(&bs, 0, sizeof(bs));
-	intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = conf->beacon_interval;
 
 	/*
 	 * Setup dtim and cfp parameters according to
@@ -652,22 +652,13 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
 {
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
-	u32 tsf, delta, intval, nexttbtt;
+	u32 tsf, intval, nexttbtt;
 
 	ath9k_reset_beacon_status(sc);
 
-	tsf = ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE);
-	intval = TU_TO_USEC(conf->beacon_interval & ATH9K_BEACON_PERIOD);
-
-	if (!sc->beacon.bc_tstamp)
-		nexttbtt = tsf + intval;
-	else {
-		if (tsf > sc->beacon.bc_tstamp)
-			delta = (tsf - sc->beacon.bc_tstamp);
-		else
-			delta = (tsf + 1 + (~0U - sc->beacon.bc_tstamp));
-		nexttbtt = tsf + intval - (delta % intval);
-	}
+	intval = TU_TO_USEC(conf->beacon_interval);
+	tsf = roundup(ath9k_hw_gettsf32(ah) + TU_TO_USEC(FUDGE), intval);
+	nexttbtt = tsf + intval;
 
 	ath_dbg(common, ATH_DBG_BEACON,
 		"IBSS nexttbtt %u intval %u (%u)\n",

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

@@ -176,6 +176,56 @@ static const struct file_operations fops_rx_chainmask = {
 	.llseek = default_llseek,
 };
 
+static ssize_t read_file_disable_ani(struct file *file, char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	char buf[32];
+	unsigned int len;
+
+	len = sprintf(buf, "%d\n", common->disable_ani);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_disable_ani(struct file *file,
+				      const char __user *user_buf,
+				      size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	unsigned long disable_ani;
+	char buf[32];
+	ssize_t len;
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len))
+		return -EFAULT;
+
+	buf[len] = '\0';
+	if (strict_strtoul(buf, 0, &disable_ani))
+		return -EINVAL;
+
+	common->disable_ani = !!disable_ani;
+
+	if (disable_ani) {
+		sc->sc_flags &= ~SC_OP_ANI_RUN;
+		del_timer_sync(&common->ani.timer);
+	} else {
+		sc->sc_flags |= SC_OP_ANI_RUN;
+		ath_start_ani(common);
+	}
+
+	return count;
+}
+
+static const struct file_operations fops_disable_ani = {
+	.read = read_file_disable_ani,
+	.write = write_file_disable_ani,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
 
 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
@@ -550,6 +600,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 
 	PR("MPDUs Queued:    ", queued);
 	PR("MPDUs Completed: ", completed);
+	PR("MPDUs XRetried:  ", xretries);
 	PR("Aggregates:      ", a_aggr);
 	PR("AMPDUs Queued HW:", a_queued_hw);
 	PR("AMPDUs Queued SW:", a_queued_sw);
@@ -587,7 +638,6 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 
 	PRQLE("axq_q empty:       ", axq_q);
 	PRQLE("axq_acq empty:     ", axq_acq);
-	PRQLE("txq_fifo_pending:  ", txq_fifo_pending);
 	for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
 		snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
 		PRQLE(tmp, txq_fifo[i]);
@@ -807,7 +857,10 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 		else
 			TX_STAT_INC(qnum, a_completed);
 	} else {
-		TX_STAT_INC(qnum, completed);
+		if (bf_isxretried(bf))
+			TX_STAT_INC(qnum, xretries);
+		else
+			TX_STAT_INC(qnum, completed);
 	}
 
 	if (ts->ts_status & ATH9K_TXERR_FIFO)
@@ -1160,6 +1213,8 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
 	debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
 			    sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
+	debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
+			    sc->debug.debugfs_phy, sc, &fops_disable_ani);
 	debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
 			    sc, &fops_regidx);
 	debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,

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

@@ -116,6 +116,7 @@ struct ath_tx_stats {
 	u32 tx_bytes_all;
 	u32 queued;
 	u32 completed;
+	u32 xretries;
 	u32 a_aggr;
 	u32 a_queued_hw;
 	u32 a_queued_sw;

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

@@ -79,7 +79,7 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv,
 
 	memset(&bs, 0, sizeof(bs));
 
-	intval = bss_conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = bss_conf->beacon_interval;
 	bmiss_timeout = (ATH_DEFAULT_BMISS_LIMIT * bss_conf->beacon_interval);
 
 	/*
@@ -194,7 +194,7 @@ static void ath9k_htc_beacon_config_ap(struct ath9k_htc_priv *priv,
 	u8 cmd_rsp;
 	u64 tsf;
 
-	intval = bss_conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = bss_conf->beacon_interval;
 	intval /= ATH9K_HTC_MAX_BCN_VIF;
 	nexttbtt = intval;
 
@@ -250,7 +250,7 @@ static void ath9k_htc_beacon_config_adhoc(struct ath9k_htc_priv *priv,
 	u8 cmd_rsp;
 	u64 tsf;
 
-	intval = bss_conf->beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = bss_conf->beacon_interval;
 	nexttbtt = intval;
 
 	/*
@@ -427,7 +427,7 @@ static int ath9k_htc_choose_bslot(struct ath9k_htc_priv *priv,
 	u16 intval;
 	int slot;
 
-	intval = priv->cur_beacon_conf.beacon_interval & ATH9K_BEACON_PERIOD;
+	intval = priv->cur_beacon_conf.beacon_interval;
 
 	tsf = be64_to_cpu(swba->tsf);
 	tsftu = TSF_TO_TU(tsf >> 32, tsf);

drivers/net/wireless/ath/ath9k/hw-ops.h

@@ -39,11 +39,6 @@ static inline void ath9k_hw_set_desc_link(struct ath_hw *ah, void *ds,
 	ath9k_hw_ops(ah)->set_desc_link(ds, link);
 }
 
-static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds,
-					  u32 **link)
-{
-	ath9k_hw_ops(ah)->get_desc_link(ds, link);
-}
 static inline bool ath9k_hw_calibrate(struct ath_hw *ah,
 				      struct ath9k_channel *chan,
 				      u8 rxchainmask,

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

@@ -1785,16 +1785,16 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
 	REG_WRITE(ah, AR_NEXT_TBTT_TIMER, TU_TO_USEC(bs->bs_nexttbtt));
 
 	REG_WRITE(ah, AR_BEACON_PERIOD,
-		  TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
+		  TU_TO_USEC(bs->bs_intval));
 	REG_WRITE(ah, AR_DMA_BEACON_PERIOD,
-		  TU_TO_USEC(bs->bs_intval & ATH9K_BEACON_PERIOD));
+		  TU_TO_USEC(bs->bs_intval));
 
 	REGWRITE_BUFFER_FLUSH(ah);
 
 	REG_RMW_FIELD(ah, AR_RSSI_THR,
 		      AR_RSSI_THR_BM_THR, bs->bs_bmissthreshold);
 
-	beaconintval = bs->bs_intval & ATH9K_BEACON_PERIOD;
+	beaconintval = bs->bs_intval;
 
 	if (bs->bs_sleepduration > beaconintval)
 		beaconintval = bs->bs_sleepduration;