Merge branch 'wireless-next-2.6' of git://git.kernel.org/pub/scm/linu…

…x/kernel/git/iwlwifi/iwlwifi-2.6

drivers/net/wireless/iwlwifi/Kconfig

@@ -30,9 +30,11 @@ config IWLWIFI_DEBUG
 
 config IWLWIFI_DEBUGFS
         bool "iwlagn debugfs support"
-        depends on IWLWIFI && IWLWIFI_DEBUG && MAC80211_DEBUGFS
+        depends on IWLWIFI && MAC80211_DEBUGFS
         ---help---
-	  Enable creation of debugfs files for the iwlwifi drivers.
+	  Enable creation of debugfs files for the iwlwifi drivers. This
+	  is a low-impact option that allows getting insight into the
+	  driver's state at runtime.
 
 config IWLWIFI_DEVICE_TRACING
 	bool "iwlwifi device access tracing"

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

@@ -28,6 +28,28 @@
 
 #include "iwl-3945-debugfs.h"
 
+
+static int iwl3945_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
+{
+	int p = 0;
+
+	p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
+		       le32_to_cpu(priv->_3945.statistics.flag));
+	if (le32_to_cpu(priv->_3945.statistics.flag) &
+			UCODE_STATISTICS_CLEAR_MSK)
+		p += scnprintf(buf + p, bufsz - p,
+			       "\tStatistics have been cleared\n");
+	p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
+		       (le32_to_cpu(priv->_3945.statistics.flag) &
+			UCODE_STATISTICS_FREQUENCY_MSK)
+			? "2.4 GHz" : "5.2 GHz");
+	p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
+		       (le32_to_cpu(priv->_3945.statistics.flag) &
+			UCODE_STATISTICS_NARROW_BAND_MSK)
+			? "enabled" : "disabled");
+	return p;
+}
+
 ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
 				    char __user *user_buf,
 				    size_t count, loff_t *ppos)
@@ -70,7 +92,7 @@ ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
 	max_cck = &priv->_3945.max_delta.rx.cck;
 	max_general = &priv->_3945.max_delta.rx.general;
 
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	pos += iwl3945_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_Rx - OFDM:");
@@ -331,7 +353,7 @@ ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
 	accum_tx = &priv->_3945.accum_statistics.tx;
 	delta_tx = &priv->_3945.delta_statistics.tx;
 	max_tx = &priv->_3945.max_delta.tx;
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	pos += iwl3945_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_Tx:");
@@ -438,7 +460,7 @@ ssize_t iwl3945_ucode_general_stats_read(struct file *file,
 	accum_div = &priv->_3945.accum_statistics.general.div;
 	delta_div = &priv->_3945.delta_statistics.general.div;
 	max_div = &priv->_3945.max_delta.general.div;
-	pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+	pos += iwl3945_statistics_flag(priv, buf, bufsz);
 	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
 			 "acumulative       delta         max\n",
 			 "Statistics_General:");

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

@@ -352,7 +352,7 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
  *  RX handler implementations
  *
  *****************************************************************************/
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 /*
  *  based on the assumption of all statistics counter are in DWORD
  *  FIXME: This function is for debugging, do not deal with
@@ -460,7 +460,7 @@ void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 	IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
 		     (int)sizeof(struct iwl3945_notif_statistics),
 		     le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 	iwl3945_accumulative_statistics(priv, (__le32 *)&pkt->u.raw);
 #endif
 	iwl_recover_from_statistics(priv, pkt);
@@ -475,7 +475,7 @@ void iwl3945_reply_statistics(struct iwl_priv *priv,
 	__le32 *flag = (__le32 *)&pkt->u.raw;
 
 	if (le32_to_cpu(*flag) & UCODE_STATISTICS_CLEAR_MSK) {
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 		memset(&priv->_3945.accum_statistics, 0,
 			sizeof(struct iwl3945_notif_statistics));
 		memset(&priv->_3945.delta_statistics, 0,
@@ -947,8 +947,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 		       tx_cmd->supp_rates[1], tx_cmd->supp_rates[0]);
 }
 
-static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
-			   u16 tx_rate, u8 flags)
+static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id, u16 tx_rate)
 {
 	unsigned long flags_spin;
 	struct iwl_station_entry *station;
@@ -962,10 +961,9 @@ static u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
 	station->sta.sta.modify_mask = STA_MODIFY_TX_RATE_MSK;
 	station->sta.rate_n_flags = cpu_to_le16(tx_rate);
 	station->sta.mode = STA_CONTROL_MODIFY_MSK;
-
+	iwl_send_add_sta(priv, &station->sta, CMD_ASYNC);
 	spin_unlock_irqrestore(&priv->sta_lock, flags_spin);
 
-	iwl_send_add_sta(priv, &station->sta, flags);
 	IWL_DEBUG_RATE(priv, "SCALE sync station %d to rate %d\n",
 			sta_id, tx_rate);
 	return sta_id;
@@ -2473,8 +2471,7 @@ static int iwl3945_manage_ibss_station(struct iwl_priv *priv,
 
 		iwl3945_sync_sta(priv, vif_priv->ibss_bssid_sta_id,
 				 (priv->band == IEEE80211_BAND_5GHZ) ?
-				 IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP,
-				 CMD_ASYNC);
+				 IWL_RATE_6M_PLCP : IWL_RATE_1M_PLCP);
 		iwl3945_rate_scale_init(priv->hw, vif_priv->ibss_bssid_sta_id);
 
 		return 0;

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -1542,7 +1542,7 @@ static int iwl4965_hw_get_temperature(struct iwl_priv *priv)
 	u32 R4;
 
 	if (test_bit(STATUS_TEMPERATURE, &priv->status) &&
-		(priv->statistics.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)) {
+		(priv->_agn.statistics.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)) {
 		IWL_DEBUG_TEMP(priv, "Running HT40 temperature calibration\n");
 		R1 = (s32)le32_to_cpu(priv->card_alive_init.therm_r1[1]);
 		R2 = (s32)le32_to_cpu(priv->card_alive_init.therm_r2[1]);
@@ -1567,7 +1567,7 @@ static int iwl4965_hw_get_temperature(struct iwl_priv *priv)
 		vt = sign_extend(R4, 23);
 	else
 		vt = sign_extend(
-			le32_to_cpu(priv->statistics.general.temperature), 23);
+			le32_to_cpu(priv->_agn.statistics.general.temperature), 23);
 
 	IWL_DEBUG_TEMP(priv, "Calib values R[1-3]: %d %d %d R4: %d\n", R1, R2, R3, vt);
 
@@ -2026,6 +2026,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 	int sta_id;
 	int freed;
 	u8 *qc = NULL;
+	unsigned long flags;
 
 	if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
 		IWL_ERR(priv, "Read index for DMA queue txq_id (%d) index %d "
@@ -2050,10 +2051,10 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 		return;
 	}
 
+	spin_lock_irqsave(&priv->sta_lock, flags);
 	if (txq->sched_retry) {
 		const u32 scd_ssn = iwl4965_get_scd_ssn(tx_resp);
 		struct iwl_ht_agg *agg = NULL;
-
 		WARN_ON(!qc);
 
 		agg = &priv->stations[sta_id].tid[tid].agg;
@@ -2110,6 +2111,8 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 		iwlagn_txq_check_empty(priv, sta_id, tid, txq_id);
 
 	iwl_check_abort_status(priv, tx_resp->frame_count, status);
+
+	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
 
 static int iwl4965_calc_rssi(struct iwl_priv *priv,

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -260,7 +260,7 @@ static void iwl5150_temperature(struct iwl_priv *priv)
 	u32 vt = 0;
 	s32 offset =  iwl_temp_calib_to_offset(priv);
 
-	vt = le32_to_cpu(priv->statistics.general.temperature);
+	vt = le32_to_cpu(priv->_agn.statistics.general.temperature);
 	vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
 	/* now vt hold the temperature in Kelvin */
 	priv->temperature = KELVIN_TO_CELSIUS(vt);