1 files changed, 173 insertions, 57 deletions

diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c
index a80ed576830..0c422c50e4f 100644
--- a/drivers/net/wireless/ath9k/debug.c
+++ b/drivers/net/wireless/ath9k/debug.c
@@ -14,9 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include "core.h"
-#include "reg.h"
-#include "hw.h"
+#include "ath9k.h"
 
 static unsigned int ath9k_debug = DBG_DEFAULT;
 module_param_named(debug, ath9k_debug, uint, 0);
@@ -26,7 +24,7 @@ void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
 	if (!sc)
 		return;
 
-	if (sc->sc_debug.debug_mask & dbg_mask) {
+	if (sc->debug.debug_mask & dbg_mask) {
 		va_list args;
 
 		va_start(args, fmt);
@@ -46,7 +44,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 			     size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
-	struct ath_hal *ah = sc->sc_ah;
+	struct ath_hw *ah = sc->sc_ah;
 	char buf[1024];
 	unsigned int len = 0;
 	u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
@@ -132,41 +130,41 @@ static const struct file_operations fops_dma = {
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 {
 	if (status)
-		sc->sc_debug.stats.istats.total++;
+		sc->debug.stats.istats.total++;
 	if (status & ATH9K_INT_RX)
-		sc->sc_debug.stats.istats.rxok++;
+		sc->debug.stats.istats.rxok++;
 	if (status & ATH9K_INT_RXEOL)
-		sc->sc_debug.stats.istats.rxeol++;
+		sc->debug.stats.istats.rxeol++;
 	if (status & ATH9K_INT_RXORN)
-		sc->sc_debug.stats.istats.rxorn++;
+		sc->debug.stats.istats.rxorn++;
 	if (status & ATH9K_INT_TX)
-		sc->sc_debug.stats.istats.txok++;
+		sc->debug.stats.istats.txok++;
 	if (status & ATH9K_INT_TXURN)
-		sc->sc_debug.stats.istats.txurn++;
+		sc->debug.stats.istats.txurn++;
 	if (status & ATH9K_INT_MIB)
-		sc->sc_debug.stats.istats.mib++;
+		sc->debug.stats.istats.mib++;
 	if (status & ATH9K_INT_RXPHY)
-		sc->sc_debug.stats.istats.rxphyerr++;
+		sc->debug.stats.istats.rxphyerr++;
 	if (status & ATH9K_INT_RXKCM)
-		sc->sc_debug.stats.istats.rx_keycache_miss++;
+		sc->debug.stats.istats.rx_keycache_miss++;
 	if (status & ATH9K_INT_SWBA)
-		sc->sc_debug.stats.istats.swba++;
+		sc->debug.stats.istats.swba++;
 	if (status & ATH9K_INT_BMISS)
-		sc->sc_debug.stats.istats.bmiss++;
+		sc->debug.stats.istats.bmiss++;
 	if (status & ATH9K_INT_BNR)
-		sc->sc_debug.stats.istats.bnr++;
+		sc->debug.stats.istats.bnr++;
 	if (status & ATH9K_INT_CST)
-		sc->sc_debug.stats.istats.cst++;
+		sc->debug.stats.istats.cst++;
 	if (status & ATH9K_INT_GTT)
-		sc->sc_debug.stats.istats.gtt++;
+		sc->debug.stats.istats.gtt++;
 	if (status & ATH9K_INT_TIM)
-		sc->sc_debug.stats.istats.tim++;
+		sc->debug.stats.istats.tim++;
 	if (status & ATH9K_INT_CABEND)
-		sc->sc_debug.stats.istats.cabend++;
+		sc->debug.stats.istats.cabend++;
 	if (status & ATH9K_INT_DTIMSYNC)
-		sc->sc_debug.stats.istats.dtimsync++;
+		sc->debug.stats.istats.dtimsync++;
 	if (status & ATH9K_INT_DTIM)
-		sc->sc_debug.stats.istats.dtim++;
+		sc->debug.stats.istats.dtim++;
 }
 
 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
@@ -177,41 +175,41 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 	unsigned int len = 0;
 
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "RX", sc->sc_debug.stats.istats.rxok);
+		"%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "RXEOL", sc->sc_debug.stats.istats.rxeol);
+		"%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "RXORN", sc->sc_debug.stats.istats.rxorn);
+		"%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "TX", sc->sc_debug.stats.istats.txok);
+		"%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "TXURN", sc->sc_debug.stats.istats.txurn);
+		"%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "MIB", sc->sc_debug.stats.istats.mib);
+		"%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "RXPHY", sc->sc_debug.stats.istats.rxphyerr);
+		"%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "RXKCM", sc->sc_debug.stats.istats.rx_keycache_miss);
+		"%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "SWBA", sc->sc_debug.stats.istats.swba);
+		"%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "BMISS", sc->sc_debug.stats.istats.bmiss);
+		"%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "BNR", sc->sc_debug.stats.istats.bnr);
+		"%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "CST", sc->sc_debug.stats.istats.cst);
+		"%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "GTT", sc->sc_debug.stats.istats.gtt);
+		"%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "TIM", sc->sc_debug.stats.istats.tim);
+		"%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "CABEND", sc->sc_debug.stats.istats.cabend);
+		"%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "DTIMSYNC", sc->sc_debug.stats.istats.dtimsync);
+		"%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "DTIM", sc->sc_debug.stats.istats.dtim);
+		"%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
 	len += snprintf(buf + len, sizeof(buf) - len,
-		"%8s: %10u\n", "TOTAL", sc->sc_debug.stats.istats.total);
+		"%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
 
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
@@ -222,29 +220,146 @@ static const struct file_operations fops_interrupt = {
 	.owner = THIS_MODULE
 };
 
+static void ath_debug_stat_11n_rc(struct ath_softc *sc, struct sk_buff *skb)
+{
+	struct ath_tx_info_priv *tx_info_priv = NULL;
+	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_rate *rates = tx_info->status.rates;
+	int final_ts_idx, idx;
+
+	tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
+	final_ts_idx = tx_info_priv->tx.ts_rateindex;
+	idx = sc->cur_rate_table->info[rates[final_ts_idx].idx].dot11rate;
+
+	sc->debug.stats.n_rcstats[idx].success++;
+}
+
+static void ath_debug_stat_legacy_rc(struct ath_softc *sc, struct sk_buff *skb)
+{
+	struct ath_tx_info_priv *tx_info_priv = NULL;
+	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_rate *rates = tx_info->status.rates;
+	int final_ts_idx, idx;
+
+	tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
+	final_ts_idx = tx_info_priv->tx.ts_rateindex;
+	idx = rates[final_ts_idx].idx;
+
+	sc->debug.stats.legacy_rcstats[idx].success++;
+}
+
+void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
+{
+	if (conf_is_ht(&sc->hw->conf))
+		ath_debug_stat_11n_rc(sc, skb);
+	else
+		ath_debug_stat_legacy_rc(sc, skb);
+}
+
+/* FIXME: legacy rates, later on .. */
+void ath_debug_stat_retries(struct ath_softc *sc, int rix,
+			    int xretries, int retries, u8 per)
+{
+	if (conf_is_ht(&sc->hw->conf)) {
+		int idx = sc->cur_rate_table->info[rix].dot11rate;
+
+		sc->debug.stats.n_rcstats[idx].xretries += xretries;
+		sc->debug.stats.n_rcstats[idx].retries += retries;
+		sc->debug.stats.n_rcstats[idx].per = per;
+	}
+}
+
+static ssize_t ath_read_file_stat_11n_rc(struct file *file,
+					 char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[1024];
+	unsigned int len = 0;
+	int i = 0;
+
+	len += sprintf(buf, "%7s %13s %8s %8s %6s\n\n", "Rate", "Success",
+		       "Retries", "XRetries", "PER");
+
+	for (i = 0; i <= 15; i++) {
+		len += snprintf(buf + len, sizeof(buf) - len,
+				"%5s%3d: %8u %8u %8u %8u\n", "MCS", i,
+				sc->debug.stats.n_rcstats[i].success,
+				sc->debug.stats.n_rcstats[i].retries,
+				sc->debug.stats.n_rcstats[i].xretries,
+				sc->debug.stats.n_rcstats[i].per);
+	}
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath_read_file_stat_legacy_rc(struct file *file,
+					    char __user *user_buf,
+					    size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[512];
+	unsigned int len = 0;
+	int i = 0;
+
+	len += sprintf(buf, "%7s %13s\n\n", "Rate", "Success");
+
+	for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) {
+		len += snprintf(buf + len, sizeof(buf) - len, "%5u: %12u\n",
+				sc->cur_rate_table->info[i].ratekbps / 1000,
+				sc->debug.stats.legacy_rcstats[i].success);
+	}
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
+				size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+
+	if (conf_is_ht(&sc->hw->conf))
+		return ath_read_file_stat_11n_rc(file, user_buf, count, ppos);
+	else
+		return ath_read_file_stat_legacy_rc(file, user_buf, count ,ppos);
+}
+
+static const struct file_operations fops_rcstat = {
+	.read = read_file_rcstat,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE
+};
+
 int ath9k_init_debug(struct ath_softc *sc)
 {
-	sc->sc_debug.debug_mask = ath9k_debug;
+	sc->debug.debug_mask = ath9k_debug;
 
-	sc->sc_debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
-	if (!sc->sc_debug.debugfs_root)
+	sc->debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
+	if (!sc->debug.debugfs_root)
 		goto err;
 
-	sc->sc_debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
-						      sc->sc_debug.debugfs_root);
-	if (!sc->sc_debug.debugfs_phy)
+	sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
+						      sc->debug.debugfs_root);
+	if (!sc->debug.debugfs_phy)
 		goto err;
 
-	sc->sc_debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
-				       sc->sc_debug.debugfs_phy, sc, &fops_dma);
-	if (!sc->sc_debug.debugfs_dma)
+	sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
+				       sc->debug.debugfs_phy, sc, &fops_dma);
+	if (!sc->debug.debugfs_dma)
 		goto err;
 
-	sc->sc_debug.debugfs_interrupt = debugfs_create_file("interrupt",
+	sc->debug.debugfs_interrupt = debugfs_create_file("interrupt",
 						     S_IRUGO,
-						     sc->sc_debug.debugfs_phy,
+						     sc->debug.debugfs_phy,
 						     sc, &fops_interrupt);
-	if (!sc->sc_debug.debugfs_interrupt)
+	if (!sc->debug.debugfs_interrupt)
+		goto err;
+
+	sc->debug.debugfs_rcstat = debugfs_create_file("rcstat",
+						  S_IRUGO,
+						  sc->debug.debugfs_phy,
+						  sc, &fops_rcstat);
+	if (!sc->debug.debugfs_rcstat)
 		goto err;
 
 	return 0;
@@ -255,8 +370,9 @@ err:
 
 void ath9k_exit_debug(struct ath_softc *sc)
 {
-	debugfs_remove(sc->sc_debug.debugfs_interrupt);
-	debugfs_remove(sc->sc_debug.debugfs_dma);
-	debugfs_remove(sc->sc_debug.debugfs_phy);
-	debugfs_remove(sc->sc_debug.debugfs_root);
+	debugfs_remove(sc->debug.debugfs_rcstat);
+	debugfs_remove(sc->debug.debugfs_interrupt);
+	debugfs_remove(sc->debug.debugfs_dma);
+	debugfs_remove(sc->debug.debugfs_phy);
+	debugfs_remove(sc->debug.debugfs_root);
 }