Merge branch 'next' into for-linus

Prepare first set of updates for 3.10 merge window.

1 files changed, 591 insertions, 153 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 6727b566d294..3714b971d18e 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -17,6 +17,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/export.h>
+#include <linux/relay.h>
 #include <asm/unaligned.h>
 
 #include "ath9k.h"
@@ -512,62 +513,19 @@ static const struct file_operations fops_interrupt = {
 	.llseek = default_llseek,
 };
 
-#define PR_QNUM(_n) sc->tx.txq_map[_n]->axq_qnum
-#define PR(str, elem)							\
-	do {								\
-		len += snprintf(buf + len, size - len,			\
-				"%s%13u%11u%10u%10u\n", str,		\
-		sc->debug.stats.txstats[PR_QNUM(WME_AC_BE)].elem, \
-		sc->debug.stats.txstats[PR_QNUM(WME_AC_BK)].elem, \
-		sc->debug.stats.txstats[PR_QNUM(WME_AC_VI)].elem, \
-		sc->debug.stats.txstats[PR_QNUM(WME_AC_VO)].elem); \
-		if (len >= size)			  \
-			goto done;			  \
-} while(0)
-
-#define PRX(str, elem)							\
-do {									\
-	len += snprintf(buf + len, size - len,				\
-			"%s%13u%11u%10u%10u\n", str,			\
-			(unsigned int)(sc->tx.txq_map[WME_AC_BE]->elem),	\
-			(unsigned int)(sc->tx.txq_map[WME_AC_BK]->elem),	\
-			(unsigned int)(sc->tx.txq_map[WME_AC_VI]->elem),	\
-			(unsigned int)(sc->tx.txq_map[WME_AC_VO]->elem));	\
-	if (len >= size)						\
-		goto done;						\
-} while(0)
-
-#define PRQLE(str, elem)						\
-do {									\
-	len += snprintf(buf + len, size - len,				\
-			"%s%13i%11i%10i%10i\n", str,			\
-			list_empty(&sc->tx.txq_map[WME_AC_BE]->elem),	\
-			list_empty(&sc->tx.txq_map[WME_AC_BK]->elem),	\
-			list_empty(&sc->tx.txq_map[WME_AC_VI]->elem),	\
-			list_empty(&sc->tx.txq_map[WME_AC_VO]->elem));	\
-	if (len >= size)						\
-		goto done;						\
-} while (0)
-
 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 			      size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
 	char *buf;
-	unsigned int len = 0, size = 8000;
-	int i;
+	unsigned int len = 0, size = 2048;
 	ssize_t retval = 0;
-	char tmp[32];
 
 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
 		return -ENOMEM;
 
-	len += sprintf(buf, "Num-Tx-Queues: %i  tx-queues-setup: 0x%x"
-		       " poll-work-seen: %u\n"
-		       "%30s %10s%10s%10s\n\n",
-		       ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
-		       sc->tx_complete_poll_work_seen,
+	len += sprintf(buf, "%30s %10s%10s%10s\n\n",
 		       "BE", "BK", "VI", "VO");
 
 	PR("MPDUs Queued:    ", queued);
@@ -587,62 +545,11 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 	PR("DELIM Underrun:  ", delim_underrun);
 	PR("TX-Pkts-All:     ", tx_pkts_all);
 	PR("TX-Bytes-All:    ", tx_bytes_all);
-	PR("hw-put-tx-buf:   ", puttxbuf);
-	PR("hw-tx-start:     ", txstart);
-	PR("hw-tx-proc-desc: ", txprocdesc);
+	PR("HW-put-tx-buf:   ", puttxbuf);
+	PR("HW-tx-start:     ", txstart);
+	PR("HW-tx-proc-desc: ", txprocdesc);
 	PR("TX-Failed:       ", txfailed);
-	len += snprintf(buf + len, size - len,
-			"%s%11p%11p%10p%10p\n", "txq-memory-address:",
-			sc->tx.txq_map[WME_AC_BE],
-			sc->tx.txq_map[WME_AC_BK],
-			sc->tx.txq_map[WME_AC_VI],
-			sc->tx.txq_map[WME_AC_VO]);
-	if (len >= size)
-		goto done;
-
-	PRX("axq-qnum:        ", axq_qnum);
-	PRX("axq-depth:       ", axq_depth);
-	PRX("axq-ampdu_depth: ", axq_ampdu_depth);
-	PRX("axq-stopped      ", stopped);
-	PRX("tx-in-progress   ", axq_tx_inprogress);
-	PRX("pending-frames   ", pending_frames);
-	PRX("txq_headidx:     ", txq_headidx);
-	PRX("txq_tailidx:     ", txq_headidx);
-
-	PRQLE("axq_q empty:       ", axq_q);
-	PRQLE("axq_acq empty:     ", axq_acq);
-	for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
-		snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
-		PRQLE(tmp, txq_fifo[i]);
-	}
-
-	/* Print out more detailed queue-info */
-	for (i = 0; i <= WME_AC_BK; i++) {
-		struct ath_txq *txq = &(sc->tx.txq[i]);
-		struct ath_atx_ac *ac;
-		struct ath_atx_tid *tid;
-		if (len >= size)
-			goto done;
-		spin_lock_bh(&txq->axq_lock);
-		if (!list_empty(&txq->axq_acq)) {
-			ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
-					      list);
-			len += snprintf(buf + len, size - len,
-					"txq[%i] first-ac: %p sched: %i\n",
-					i, ac, ac->sched);
-			if (list_empty(&ac->tid_q) || (len >= size))
-				goto done_for;
-			tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
-					       list);
-			len += snprintf(buf + len, size - len,
-					" first-tid: %p sched: %i paused: %i\n",
-					tid, tid->sched, tid->paused);
-		}
-	done_for:
-		spin_unlock_bh(&txq->axq_lock);
-	}
 
-done:
 	if (len > size)
 		len = size;
 
@@ -652,62 +559,41 @@ done:
 	return retval;
 }
 
-static ssize_t read_file_stations(struct file *file, char __user *user_buf,
-				  size_t count, loff_t *ppos)
+static ssize_t read_file_queues(struct file *file, char __user *user_buf,
+				size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
+	struct ath_txq *txq;
 	char *buf;
-	unsigned int len = 0, size = 64000;
-	struct ath_node *an = NULL;
+	unsigned int len = 0, size = 1024;
 	ssize_t retval = 0;
-	int q;
+	int i;
+	char *qname[4] = {"VO", "VI", "BE", "BK"};
 
 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
 		return -ENOMEM;
 
-	len += snprintf(buf + len, size - len,
-			"Stations:\n"
-			" tid: addr sched paused buf_q-empty an ac baw\n"
-			" ac: addr sched tid_q-empty txq\n");
-
-	spin_lock(&sc->nodes_lock);
-	list_for_each_entry(an, &sc->nodes, list) {
-		unsigned short ma = an->maxampdu;
-		if (ma == 0)
-			ma = 65535; /* see ath_lookup_rate */
-		len += snprintf(buf + len, size - len,
-				"iface: %pM  sta: %pM max-ampdu: %hu mpdu-density: %uus\n",
-				an->vif->addr, an->sta->addr, ma,
-				(unsigned int)(an->mpdudensity));
-		if (len >= size)
-			goto done;
-
-		for (q = 0; q < WME_NUM_TID; q++) {
-			struct ath_atx_tid *tid = &(an->tid[q]);
-			len += snprintf(buf + len, size - len,
-					" tid: %p %s %s %i %p %p %hu\n",
-					tid, tid->sched ? "sched" : "idle",
-					tid->paused ? "paused" : "running",
-					skb_queue_empty(&tid->buf_q),
-					tid->an, tid->ac, tid->baw_size);
-			if (len >= size)
-				goto done;
-		}
+	for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+		txq = sc->tx.txq_map[i];
+		len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
 
-		for (q = 0; q < WME_NUM_AC; q++) {
-			struct ath_atx_ac *ac = &(an->ac[q]);
-			len += snprintf(buf + len, size - len,
-					" ac: %p %s %i %p\n",
-					ac, ac->sched ? "sched" : "idle",
-					list_empty(&ac->tid_q), ac->txq);
-			if (len >= size)
-				goto done;
-		}
+		ath_txq_lock(sc, txq);
+
+		len += snprintf(buf + len, size - len, "%s: %d ",
+				"qnum", txq->axq_qnum);
+		len += snprintf(buf + len, size - len, "%s: %2d ",
+				"qdepth", txq->axq_depth);
+		len += snprintf(buf + len, size - len, "%s: %2d ",
+				"ampdu-depth", txq->axq_ampdu_depth);
+		len += snprintf(buf + len, size - len, "%s: %3d ",
+				"pending", txq->pending_frames);
+		len += snprintf(buf + len, size - len, "%s: %d\n",
+				"stopped", txq->stopped);
+
+		ath_txq_unlock(sc, txq);
 	}
 
-done:
-	spin_unlock(&sc->nodes_lock);
 	if (len > size)
 		len = size;
 
@@ -837,6 +723,9 @@ static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 	len += snprintf(buf + len, sizeof(buf) - len,
 			"%17s: %2d\n", "PLL RX Hang",
 			sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
+	len += snprintf(buf + len, sizeof(buf) - len,
+			"%17s: %2d\n", "MCI Reset",
+			sc->debug.stats.reset[RESET_TYPE_MCI]);
 
 	if (len > sizeof(buf))
 		len = sizeof(buf);
@@ -919,8 +808,8 @@ static const struct file_operations fops_xmit = {
 	.llseek = default_llseek,
 };
 
-static const struct file_operations fops_stations = {
-	.read = read_file_stations,
+static const struct file_operations fops_queues = {
+	.read = read_file_queues,
 	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
@@ -973,7 +862,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 	RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 	RXS_ERR("RX-OOM-ERR", rx_oom_err);
 	RXS_ERR("RX-RATE-ERR", rx_rate_err);
-	RXS_ERR("RX-DROP-RXFLUSH", rx_drop_rxflush);
 	RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 
 	PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
@@ -1007,6 +895,7 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 	RXS_ERR("RX-Bytes-All", rx_bytes_all);
 	RXS_ERR("RX-Beacons", rx_beacons);
 	RXS_ERR("RX-Frags", rx_frags);
+	RXS_ERR("RX-Spectral", rx_spectral);
 
 	if (len > size)
 		len = size;
@@ -1078,6 +967,290 @@ static const struct file_operations fops_recv = {
 	.llseek = default_llseek,
 };
 
+static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
+				       size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char *mode = "";
+	unsigned int len;
+
+	switch (sc->spectral_mode) {
+	case SPECTRAL_DISABLED:
+		mode = "disable";
+		break;
+	case SPECTRAL_BACKGROUND:
+		mode = "background";
+		break;
+	case SPECTRAL_CHANSCAN:
+		mode = "chanscan";
+		break;
+	case SPECTRAL_MANUAL:
+		mode = "manual";
+		break;
+	}
+	len = strlen(mode);
+	return simple_read_from_buffer(user_buf, count, ppos, mode, len);
+}
+
+static ssize_t write_file_spec_scan_ctl(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);
+	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 (strncmp("trigger", buf, 7) == 0) {
+		ath9k_spectral_scan_trigger(sc->hw);
+	} else if (strncmp("background", buf, 9) == 0) {
+		ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
+		ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
+	} else if (strncmp("chanscan", buf, 8) == 0) {
+		ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN);
+		ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n");
+	} else if (strncmp("manual", buf, 6) == 0) {
+		ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL);
+		ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n");
+	} else if (strncmp("disable", buf, 7) == 0) {
+		ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED);
+		ath_dbg(common, CONFIG, "spectral scan: disabled\n");
+	} else {
+		return -EINVAL;
+	}
+
+	return count;
+}
+
+static const struct file_operations fops_spec_scan_ctl = {
+	.read = read_file_spec_scan_ctl,
+	.write = write_file_spec_scan_ctl,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_short_repeat(struct file *file,
+					       char __user *user_buf,
+					       size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[32];
+	unsigned int len;
+
+	len = sprintf(buf, "%d\n", sc->spec_config.short_repeat);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_short_repeat(struct file *file,
+						const char __user *user_buf,
+						size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	unsigned long val;
+	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 (kstrtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val < 0 || val > 1)
+		return -EINVAL;
+
+	sc->spec_config.short_repeat = val;
+	return count;
+}
+
+static const struct file_operations fops_spectral_short_repeat = {
+	.read = read_file_spectral_short_repeat,
+	.write = write_file_spectral_short_repeat,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_count(struct file *file,
+					char __user *user_buf,
+					size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[32];
+	unsigned int len;
+
+	len = sprintf(buf, "%d\n", sc->spec_config.count);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_count(struct file *file,
+					 const char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	unsigned long val;
+	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 (kstrtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val < 0 || val > 255)
+		return -EINVAL;
+
+	sc->spec_config.count = val;
+	return count;
+}
+
+static const struct file_operations fops_spectral_count = {
+	.read = read_file_spectral_count,
+	.write = write_file_spectral_count,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_period(struct file *file,
+					 char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[32];
+	unsigned int len;
+
+	len = sprintf(buf, "%d\n", sc->spec_config.period);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_period(struct file *file,
+					  const char __user *user_buf,
+					  size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	unsigned long val;
+	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 (kstrtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val < 0 || val > 255)
+		return -EINVAL;
+
+	sc->spec_config.period = val;
+	return count;
+}
+
+static const struct file_operations fops_spectral_period = {
+	.read = read_file_spectral_period,
+	.write = write_file_spectral_period,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_fft_period(struct file *file,
+					     char __user *user_buf,
+					     size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[32];
+	unsigned int len;
+
+	len = sprintf(buf, "%d\n", sc->spec_config.fft_period);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_fft_period(struct file *file,
+					      const char __user *user_buf,
+					      size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	unsigned long val;
+	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 (kstrtoul(buf, 0, &val))
+		return -EINVAL;
+
+	if (val < 0 || val > 15)
+		return -EINVAL;
+
+	sc->spec_config.fft_period = val;
+	return count;
+}
+
+static const struct file_operations fops_spectral_fft_period = {
+	.read = read_file_spectral_fft_period,
+	.write = write_file_spectral_fft_period,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static struct dentry *create_buf_file_handler(const char *filename,
+					      struct dentry *parent,
+					      umode_t mode,
+					      struct rchan_buf *buf,
+					      int *is_global)
+{
+	struct dentry *buf_file;
+
+	buf_file = debugfs_create_file(filename, mode, parent, buf,
+				       &relay_file_operations);
+	*is_global = 1;
+	return buf_file;
+}
+
+static int remove_buf_file_handler(struct dentry *dentry)
+{
+	debugfs_remove(dentry);
+
+	return 0;
+}
+
+void ath_debug_send_fft_sample(struct ath_softc *sc,
+			       struct fft_sample_tlv *fft_sample_tlv)
+{
+	int length;
+	if (!sc->rfs_chan_spec_scan)
+		return;
+
+	length = __be16_to_cpu(fft_sample_tlv->length) +
+		 sizeof(*fft_sample_tlv);
+	relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length);
+}
+
+static struct rchan_callbacks rfs_spec_scan_cb = {
+	.create_buf_file = create_buf_file_handler,
+	.remove_buf_file = remove_buf_file_handler,
+};
+
+
 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
                                 size_t count, loff_t *ppos)
 {
@@ -1586,6 +1759,250 @@ static const struct file_operations fops_samps = {
 
 #endif
 
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
+				size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	u32 len = 0, size = 1500;
+	char *buf;
+	size_t retval;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	if (!sc->sc_ah->common.btcoex_enabled) {
+		len = snprintf(buf, size, "%s\n",
+			       "BTCOEX is disabled");
+		goto exit;
+	}
+
+	len = ath9k_dump_btcoex(sc, buf, size);
+exit:
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return retval;
+}
+
+static const struct file_operations fops_btcoex = {
+	.read = read_file_btcoex,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+#endif
+
+static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
+				   size_t count, loff_t *ppos)
+{
+	struct ath_node *an = file->private_data;
+	struct ath_softc *sc = an->sc;
+	struct ath_atx_tid *tid;
+	struct ath_atx_ac *ac;
+	struct ath_txq *txq;
+	u32 len = 0, size = 4096;
+	char *buf;
+	size_t retval;
+	int tidno, acno;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	if (!an->sta->ht_cap.ht_supported) {
+		len = snprintf(buf, size, "%s\n",
+			       "HT not supported");
+		goto exit;
+	}
+
+	len = snprintf(buf, size, "Max-AMPDU: %d\n",
+		       an->maxampdu);
+	len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
+			an->mpdudensity);
+
+	len += snprintf(buf + len, size - len,
+			"%2s%7s\n", "AC", "SCHED");
+
+	for (acno = 0, ac = &an->ac[acno];
+	     acno < IEEE80211_NUM_ACS; acno++, ac++) {
+		txq = ac->txq;
+		ath_txq_lock(sc, txq);
+		len += snprintf(buf + len, size - len,
+				"%2d%7d\n",
+				acno, ac->sched);
+		ath_txq_unlock(sc, txq);
+	}
+
+	len += snprintf(buf + len, size - len,
+			"\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
+			"TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
+			"BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
+
+	for (tidno = 0, tid = &an->tid[tidno];
+	     tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
+		txq = tid->ac->txq;
+		ath_txq_lock(sc, txq);
+		len += snprintf(buf + len, size - len,
+				"%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
+				tid->tidno, tid->seq_start, tid->seq_next,
+				tid->baw_size, tid->baw_head, tid->baw_tail,
+				tid->bar_index, tid->sched, tid->paused);
+		ath_txq_unlock(sc, txq);
+	}
+exit:
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return retval;
+}
+
+static const struct file_operations fops_node_stat = {
+	.read = read_file_node_stat,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
+			   struct ieee80211_vif *vif,
+			   struct ieee80211_sta *sta,
+			   struct dentry *dir)
+{
+	struct ath_node *an = (struct ath_node *)sta->drv_priv;
+	an->node_stat = debugfs_create_file("node_stat", S_IRUGO,
+					    dir, an, &fops_node_stat);
+}
+
+void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
+			      struct ieee80211_vif *vif,
+			      struct ieee80211_sta *sta,
+			      struct dentry *dir)
+{
+	struct ath_node *an = (struct ath_node *)sta->drv_priv;
+	debugfs_remove(an->node_stat);
+}
+
+/* Ethtool support for get-stats */
+
+#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
+static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
+	"tx_pkts_nic",
+	"tx_bytes_nic",
+	"rx_pkts_nic",
+	"rx_bytes_nic",
+	AMKSTR(d_tx_pkts),
+	AMKSTR(d_tx_bytes),
+	AMKSTR(d_tx_mpdus_queued),
+	AMKSTR(d_tx_mpdus_completed),
+	AMKSTR(d_tx_mpdu_xretries),
+	AMKSTR(d_tx_aggregates),
+	AMKSTR(d_tx_ampdus_queued_hw),
+	AMKSTR(d_tx_ampdus_queued_sw),
+	AMKSTR(d_tx_ampdus_completed),
+	AMKSTR(d_tx_ampdu_retries),
+	AMKSTR(d_tx_ampdu_xretries),
+	AMKSTR(d_tx_fifo_underrun),
+	AMKSTR(d_tx_op_exceeded),
+	AMKSTR(d_tx_timer_expiry),
+	AMKSTR(d_tx_desc_cfg_err),
+	AMKSTR(d_tx_data_underrun),
+	AMKSTR(d_tx_delim_underrun),
+	"d_rx_decrypt_crc_err",
+	"d_rx_phy_err",
+	"d_rx_mic_err",
+	"d_rx_pre_delim_crc_err",
+	"d_rx_post_delim_crc_err",
+	"d_rx_decrypt_busy_err",
+
+	"d_rx_phyerr_radar",
+	"d_rx_phyerr_ofdm_timing",
+	"d_rx_phyerr_cck_timing",
+
+};
+#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
+
+void ath9k_get_et_strings(struct ieee80211_hw *hw,
+			  struct ieee80211_vif *vif,
+			  u32 sset, u8 *data)
+{
+	if (sset == ETH_SS_STATS)
+		memcpy(data, *ath9k_gstrings_stats,
+		       sizeof(ath9k_gstrings_stats));
+}
+
+int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
+			    struct ieee80211_vif *vif, int sset)
+{
+	if (sset == ETH_SS_STATS)
+		return ATH9K_SSTATS_LEN;
+	return 0;
+}
+
+#define AWDATA(elem)							\
+	do {								\
+		data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
+		data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
+		data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
+		data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
+	} while (0)
+
+#define AWDATA_RX(elem)						\
+	do {							\
+		data[i++] = sc->debug.stats.rxstats.elem;	\
+	} while (0)
+
+void ath9k_get_et_stats(struct ieee80211_hw *hw,
+			struct ieee80211_vif *vif,
+			struct ethtool_stats *stats, u64 *data)
+{
+	struct ath_softc *sc = hw->priv;
+	int i = 0;
+
+	data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
+		     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
+		     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
+		     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
+	data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
+		     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
+		     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
+		     sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
+	AWDATA_RX(rx_pkts_all);
+	AWDATA_RX(rx_bytes_all);
+
+	AWDATA(tx_pkts_all);
+	AWDATA(tx_bytes_all);
+	AWDATA(queued);
+	AWDATA(completed);
+	AWDATA(xretries);
+	AWDATA(a_aggr);
+	AWDATA(a_queued_hw);
+	AWDATA(a_queued_sw);
+	AWDATA(a_completed);
+	AWDATA(a_retries);
+	AWDATA(a_xretries);
+	AWDATA(fifo_underrun);
+	AWDATA(xtxop);
+	AWDATA(timer_exp);
+	AWDATA(desc_cfg_err);
+	AWDATA(data_underrun);
+	AWDATA(delim_underrun);
+
+	AWDATA_RX(decrypt_crc_err);
+	AWDATA_RX(phy_err);
+	AWDATA_RX(mic_err);
+	AWDATA_RX(pre_delim_crc_err);
+	AWDATA_RX(post_delim_crc_err);
+	AWDATA_RX(decrypt_busy_err);
+
+	AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
+	AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
+	AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
+
+	WARN_ON(i != ATH9K_SSTATS_LEN);
+}
+
 int ath9k_init_debug(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -1609,16 +2026,16 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    &fops_interrupt);
 	debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_xmit);
+	debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
+			    &fops_queues);
 	debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
-			   &sc->tx.txq_max_pending[WME_AC_BK]);
+			   &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
 	debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
-			   &sc->tx.txq_max_pending[WME_AC_BE]);
+			   &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
 	debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
-			   &sc->tx.txq_max_pending[WME_AC_VI]);
+			   &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
 	debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
-			   &sc->tx.txq_max_pending[WME_AC_VO]);
-	debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy, sc,
-			    &fops_stations);
+			   &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
 	debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_misc);
 	debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
@@ -1648,6 +2065,24 @@ int ath9k_init_debug(struct ath_hw *ah)
 			    &fops_base_eeprom);
 	debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_modal_eeprom);
+	sc->rfs_chan_spec_scan = relay_open("spectral_scan",
+					    sc->debug.debugfs_phy,
+					    262144, 4, &rfs_spec_scan_cb,
+					    NULL);
+	debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
+			    sc->debug.debugfs_phy, sc,
+			    &fops_spec_scan_ctl);
+	debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR,
+			    sc->debug.debugfs_phy, sc,
+			    &fops_spectral_short_repeat);
+	debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR,
+			    sc->debug.debugfs_phy, sc, &fops_spectral_count);
+	debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR,
+			    sc->debug.debugfs_phy, sc, &fops_spectral_period);
+	debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR,
+			    sc->debug.debugfs_phy, sc,
+			    &fops_spectral_fft_period);
+
 #ifdef CONFIG_ATH9K_MAC_DEBUG
 	debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
 			    &fops_samps);
@@ -1658,6 +2093,9 @@ int ath9k_init_debug(struct ath_hw *ah)
 			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
 	debugfs_create_file("diversity", S_IRUSR | S_IWUSR,
 			    sc->debug.debugfs_phy, sc, &fops_ant_diversity);
-
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+	debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
+			    &fops_btcoex);
+#endif
 	return 0;
 }