18 files changed, 797 insertions, 91 deletions

diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile
index 5ed2dcbe6d01..7c7235385513 100644
--- a/drivers/net/wireless/iwlwifi/Makefile
+++ b/drivers/net/wireless/iwlwifi/Makefile
@@ -22,5 +22,6 @@ iwlagn-$(CONFIG_IWL5000) += iwl-1000.o
 # 3945
 obj-$(CONFIG_IWL3945)	+= iwl3945.o
 iwl3945-objs		:= iwl3945-base.o iwl-3945.o iwl-3945-rs.o iwl-3945-led.o
+iwl3945-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-3945-debugfs.o
 
 ccflags-y += -D__CHECK_ENDIAN__
diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 8431ffce37d3..fb59af2d41c6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -282,7 +282,6 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.use_bsm = false,
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
 	.shadow_ram_support = false,
-	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.support_ct_kill_exit = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
new file mode 100644
index 000000000000..6a9c64a50e36
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.c
@@ -0,0 +1,500 @@
+/******************************************************************************
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *****************************************************************************/
+
+#include "iwl-3945-debugfs.h"
+
+ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
+				    char __user *user_buf,
+				    size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	int pos = 0;
+	char *buf;
+	int bufsz = sizeof(struct iwl39_statistics_rx_phy) * 40 +
+		    sizeof(struct iwl39_statistics_rx_non_phy) * 40 + 400;
+	ssize_t ret;
+	struct iwl39_statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
+	struct iwl39_statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
+	struct iwl39_statistics_rx_non_phy *general, *accum_general;
+	struct iwl39_statistics_rx_non_phy *delta_general, *max_general;
+
+	if (!iwl_is_alive(priv))
+		return -EAGAIN;
+
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf) {
+		IWL_ERR(priv, "Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * The statistic information display here is based on
+	 * the last statistics notification from uCode
+	 * might not reflect the current uCode activity
+	 */
+	ofdm = &priv->_3945.statistics.rx.ofdm;
+	cck = &priv->_3945.statistics.rx.cck;
+	general = &priv->_3945.statistics.rx.general;
+	accum_ofdm = &priv->_3945.accum_statistics.rx.ofdm;
+	accum_cck = &priv->_3945.accum_statistics.rx.cck;
+	accum_general = &priv->_3945.accum_statistics.rx.general;
+	delta_ofdm = &priv->_3945.delta_statistics.rx.ofdm;
+	delta_cck = &priv->_3945.delta_statistics.rx.cck;
+	delta_general = &priv->_3945.delta_statistics.rx.general;
+	max_ofdm = &priv->_3945.max_delta.rx.ofdm;
+	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 += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
+			 "acumulative       delta         max\n",
+			 "Statistics_Rx - OFDM:");
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "ina_cnt:", le32_to_cpu(ofdm->ina_cnt),
+			 accum_ofdm->ina_cnt,
+			 delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "fina_cnt:",
+			 le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
+			 delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n", "plcp_err:",
+			 le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
+			 delta_ofdm->plcp_err, max_ofdm->plcp_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",  "crc32_err:",
+			 le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
+			 delta_ofdm->crc32_err, max_ofdm->crc32_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n", "overrun_err:",
+			 le32_to_cpu(ofdm->overrun_err),
+			 accum_ofdm->overrun_err, delta_ofdm->overrun_err,
+			 max_ofdm->overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "early_overrun_err:",
+			 le32_to_cpu(ofdm->early_overrun_err),
+			 accum_ofdm->early_overrun_err,
+			 delta_ofdm->early_overrun_err,
+			 max_ofdm->early_overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "crc32_good:", le32_to_cpu(ofdm->crc32_good),
+			 accum_ofdm->crc32_good, delta_ofdm->crc32_good,
+			 max_ofdm->crc32_good);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n", "false_alarm_cnt:",
+			 le32_to_cpu(ofdm->false_alarm_cnt),
+			 accum_ofdm->false_alarm_cnt,
+			 delta_ofdm->false_alarm_cnt,
+			 max_ofdm->false_alarm_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "fina_sync_err_cnt:",
+			 le32_to_cpu(ofdm->fina_sync_err_cnt),
+			 accum_ofdm->fina_sync_err_cnt,
+			 delta_ofdm->fina_sync_err_cnt,
+			 max_ofdm->fina_sync_err_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "sfd_timeout:",
+			 le32_to_cpu(ofdm->sfd_timeout),
+			 accum_ofdm->sfd_timeout,
+			 delta_ofdm->sfd_timeout,
+			 max_ofdm->sfd_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "fina_timeout:",
+			 le32_to_cpu(ofdm->fina_timeout),
+			 accum_ofdm->fina_timeout,
+			 delta_ofdm->fina_timeout,
+			 max_ofdm->fina_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "unresponded_rts:",
+			 le32_to_cpu(ofdm->unresponded_rts),
+			 accum_ofdm->unresponded_rts,
+			 delta_ofdm->unresponded_rts,
+			 max_ofdm->unresponded_rts);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "rxe_frame_lmt_ovrun:",
+			 le32_to_cpu(ofdm->rxe_frame_limit_overrun),
+			 accum_ofdm->rxe_frame_limit_overrun,
+			 delta_ofdm->rxe_frame_limit_overrun,
+			 max_ofdm->rxe_frame_limit_overrun);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "sent_ack_cnt:",
+			 le32_to_cpu(ofdm->sent_ack_cnt),
+			 accum_ofdm->sent_ack_cnt,
+			 delta_ofdm->sent_ack_cnt,
+			 max_ofdm->sent_ack_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "sent_cts_cnt:",
+			 le32_to_cpu(ofdm->sent_cts_cnt),
+			 accum_ofdm->sent_cts_cnt,
+			 delta_ofdm->sent_cts_cnt, max_ofdm->sent_cts_cnt);
+
+	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
+			 "acumulative       delta         max\n",
+			 "Statistics_Rx - CCK:");
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "ina_cnt:",
+			 le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
+			 delta_cck->ina_cnt, max_cck->ina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "fina_cnt:",
+			 le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
+			 delta_cck->fina_cnt, max_cck->fina_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "plcp_err:",
+			 le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
+			 delta_cck->plcp_err, max_cck->plcp_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "crc32_err:",
+			 le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
+			 delta_cck->crc32_err, max_cck->crc32_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "overrun_err:",
+			 le32_to_cpu(cck->overrun_err),
+			 accum_cck->overrun_err,
+			 delta_cck->overrun_err, max_cck->overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "early_overrun_err:",
+			 le32_to_cpu(cck->early_overrun_err),
+			 accum_cck->early_overrun_err,
+			 delta_cck->early_overrun_err,
+			 max_cck->early_overrun_err);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "crc32_good:",
+			 le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
+			 delta_cck->crc32_good,
+			 max_cck->crc32_good);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "false_alarm_cnt:",
+			 le32_to_cpu(cck->false_alarm_cnt),
+			 accum_cck->false_alarm_cnt,
+			 delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "fina_sync_err_cnt:",
+			 le32_to_cpu(cck->fina_sync_err_cnt),
+			 accum_cck->fina_sync_err_cnt,
+			 delta_cck->fina_sync_err_cnt,
+			 max_cck->fina_sync_err_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "sfd_timeout:",
+			 le32_to_cpu(cck->sfd_timeout),
+			 accum_cck->sfd_timeout,
+			 delta_cck->sfd_timeout, max_cck->sfd_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "fina_timeout:",
+			 le32_to_cpu(cck->fina_timeout),
+			 accum_cck->fina_timeout,
+			 delta_cck->fina_timeout, max_cck->fina_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "unresponded_rts:",
+			 le32_to_cpu(cck->unresponded_rts),
+			 accum_cck->unresponded_rts,
+			 delta_cck->unresponded_rts,
+			 max_cck->unresponded_rts);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "rxe_frame_lmt_ovrun:",
+			 le32_to_cpu(cck->rxe_frame_limit_overrun),
+			 accum_cck->rxe_frame_limit_overrun,
+			 delta_cck->rxe_frame_limit_overrun,
+			 max_cck->rxe_frame_limit_overrun);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "sent_ack_cnt:",
+			 le32_to_cpu(cck->sent_ack_cnt),
+			 accum_cck->sent_ack_cnt,
+			 delta_cck->sent_ack_cnt,
+			 max_cck->sent_ack_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "sent_cts_cnt:",
+			 le32_to_cpu(cck->sent_cts_cnt),
+			 accum_cck->sent_cts_cnt,
+			 delta_cck->sent_cts_cnt,
+			 max_cck->sent_cts_cnt);
+
+	pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
+			 "acumulative       delta         max\n",
+			 "Statistics_Rx - GENERAL:");
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "bogus_cts:",
+			 le32_to_cpu(general->bogus_cts),
+			 accum_general->bogus_cts,
+			 delta_general->bogus_cts, max_general->bogus_cts);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "bogus_ack:",
+			 le32_to_cpu(general->bogus_ack),
+			 accum_general->bogus_ack,
+			 delta_general->bogus_ack, max_general->bogus_ack);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "non_bssid_frames:",
+			 le32_to_cpu(general->non_bssid_frames),
+			 accum_general->non_bssid_frames,
+			 delta_general->non_bssid_frames,
+			 max_general->non_bssid_frames);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "filtered_frames:",
+			 le32_to_cpu(general->filtered_frames),
+			 accum_general->filtered_frames,
+			 delta_general->filtered_frames,
+			 max_general->filtered_frames);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "non_channel_beacons:",
+			 le32_to_cpu(general->non_channel_beacons),
+			 accum_general->non_channel_beacons,
+			 delta_general->non_channel_beacons,
+			 max_general->non_channel_beacons);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
+				    char __user *user_buf,
+				    size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	int pos = 0;
+	char *buf;
+	int bufsz = (sizeof(struct iwl39_statistics_tx) * 48) + 250;
+	ssize_t ret;
+	struct iwl39_statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
+
+	if (!iwl_is_alive(priv))
+		return -EAGAIN;
+
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf) {
+		IWL_ERR(priv, "Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * The statistic information display here is based on
+	 * the last statistics notification from uCode
+	 * might not reflect the current uCode activity
+	 */
+	tx = &priv->_3945.statistics.tx;
+	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 += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
+			 "acumulative       delta         max\n",
+			 "Statistics_Tx:");
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "preamble:",
+			 le32_to_cpu(tx->preamble_cnt),
+			 accum_tx->preamble_cnt,
+			 delta_tx->preamble_cnt, max_tx->preamble_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "rx_detected_cnt:",
+			 le32_to_cpu(tx->rx_detected_cnt),
+			 accum_tx->rx_detected_cnt,
+			 delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "bt_prio_defer_cnt:",
+			 le32_to_cpu(tx->bt_prio_defer_cnt),
+			 accum_tx->bt_prio_defer_cnt,
+			 delta_tx->bt_prio_defer_cnt,
+			 max_tx->bt_prio_defer_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "bt_prio_kill_cnt:",
+			 le32_to_cpu(tx->bt_prio_kill_cnt),
+			 accum_tx->bt_prio_kill_cnt,
+			 delta_tx->bt_prio_kill_cnt,
+			 max_tx->bt_prio_kill_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "few_bytes_cnt:",
+			 le32_to_cpu(tx->few_bytes_cnt),
+			 accum_tx->few_bytes_cnt,
+			 delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "cts_timeout:",
+			 le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
+			 delta_tx->cts_timeout, max_tx->cts_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "ack_timeout:",
+			 le32_to_cpu(tx->ack_timeout),
+			 accum_tx->ack_timeout,
+			 delta_tx->ack_timeout, max_tx->ack_timeout);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "expected_ack_cnt:",
+			 le32_to_cpu(tx->expected_ack_cnt),
+			 accum_tx->expected_ack_cnt,
+			 delta_tx->expected_ack_cnt,
+			 max_tx->expected_ack_cnt);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "actual_ack_cnt:",
+			 le32_to_cpu(tx->actual_ack_cnt),
+			 accum_tx->actual_ack_cnt,
+			 delta_tx->actual_ack_cnt,
+			 max_tx->actual_ack_cnt);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+ssize_t iwl3945_ucode_general_stats_read(struct file *file,
+					 char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	int pos = 0;
+	char *buf;
+	int bufsz = sizeof(struct iwl39_statistics_general) * 10 + 300;
+	ssize_t ret;
+	struct iwl39_statistics_general *general, *accum_general;
+	struct iwl39_statistics_general *delta_general, *max_general;
+	struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
+	struct iwl39_statistics_div *div, *accum_div, *delta_div, *max_div;
+
+	if (!iwl_is_alive(priv))
+		return -EAGAIN;
+
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf) {
+		IWL_ERR(priv, "Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * The statistic information display here is based on
+	 * the last statistics notification from uCode
+	 * might not reflect the current uCode activity
+	 */
+	general = &priv->_3945.statistics.general;
+	dbg = &priv->_3945.statistics.general.dbg;
+	div = &priv->_3945.statistics.general.div;
+	accum_general = &priv->_3945.accum_statistics.general;
+	delta_general = &priv->_3945.delta_statistics.general;
+	max_general = &priv->_3945.max_delta.general;
+	accum_dbg = &priv->_3945.accum_statistics.general.dbg;
+	delta_dbg = &priv->_3945.delta_statistics.general.dbg;
+	max_dbg = &priv->_3945.max_delta.general.dbg;
+	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 += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
+			 "acumulative       delta         max\n",
+			 "Statistics_General:");
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "burst_check:",
+			 le32_to_cpu(dbg->burst_check),
+			 accum_dbg->burst_check,
+			 delta_dbg->burst_check, max_dbg->burst_check);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "burst_count:",
+			 le32_to_cpu(dbg->burst_count),
+			 accum_dbg->burst_count,
+			 delta_dbg->burst_count, max_dbg->burst_count);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "sleep_time:",
+			 le32_to_cpu(general->sleep_time),
+			 accum_general->sleep_time,
+			 delta_general->sleep_time, max_general->sleep_time);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "slots_out:",
+			 le32_to_cpu(general->slots_out),
+			 accum_general->slots_out,
+			 delta_general->slots_out, max_general->slots_out);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "slots_idle:",
+			 le32_to_cpu(general->slots_idle),
+			 accum_general->slots_idle,
+			 delta_general->slots_idle, max_general->slots_idle);
+	pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp:\t\t\t%u\n",
+			 le32_to_cpu(general->ttl_timestamp));
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "tx_on_a:",
+			 le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
+			 delta_div->tx_on_a, max_div->tx_on_a);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "tx_on_b:",
+			 le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
+			 delta_div->tx_on_b, max_div->tx_on_b);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "exec_time:",
+			 le32_to_cpu(div->exec_time), accum_div->exec_time,
+			 delta_div->exec_time, max_div->exec_time);
+	pos += scnprintf(buf + pos, bufsz - pos,
+			 "  %-30s %10u  %10u  %10u  %10u\n",
+			 "probe_time:",
+			 le32_to_cpu(div->probe_time), accum_div->probe_time,
+			 delta_div->probe_time, max_div->probe_time);
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.h b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.h
new file mode 100644
index 000000000000..70809c53c215
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-debugfs.h
@@ -0,0 +1,60 @@
+/******************************************************************************
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *****************************************************************************/
+
+#include "iwl-dev.h"
+#include "iwl-core.h"
+#include "iwl-debug.h"
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ssize_t iwl3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
+				    size_t count, loff_t *ppos);
+ssize_t iwl3945_ucode_tx_stats_read(struct file *file, char __user *user_buf,
+				    size_t count, loff_t *ppos);
+ssize_t iwl3945_ucode_general_stats_read(struct file *file,
+					 char __user *user_buf, size_t count,
+					 loff_t *ppos);
+#else
+static ssize_t iwl3945_ucode_rx_stats_read(struct file *file,
+					   char __user *user_buf, size_t count,
+					   loff_t *ppos)
+{
+	return 0;
+}
+static ssize_t iwl3945_ucode_tx_stats_read(struct file *file,
+					   char __user *user_buf, size_t count,
+					   loff_t *ppos)
+{
+	return 0;
+}
+static ssize_t iwl3945_ucode_general_stats_read(struct file *file,
+						char __user *user_buf,
+						size_t count, loff_t *ppos)
+{
+	return 0;
+}
+#endif
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index d10e59def53e..9dad8672d700 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -49,6 +49,7 @@
 #include "iwl-helpers.h"
 #include "iwl-led.h"
 #include "iwl-3945-led.h"
+#include "iwl-3945-debugfs.h"
 
 #define IWL_DECLARE_RATE_INFO(r, ip, in, rp, rn, pp, np)    \
 	[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP,   \
@@ -292,7 +293,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv,
  * iwl3945_rx_reply_tx - Handle Tx response
  */
 static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
-			    struct iwl_rx_mem_buffer *rxb)
+				struct iwl_rx_mem_buffer *rxb)
 {
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	u16 sequence = le16_to_cpu(pkt->hdr.sequence);
@@ -350,18 +351,81 @@ static void iwl3945_rx_reply_tx(struct iwl_priv *priv,
  *  RX handler implementations
  *
  *****************************************************************************/
+#ifdef CONFIG_IWLWIFI_DEBUG
+/*
+ *  based on the assumption of all statistics counter are in DWORD
+ *  FIXME: This function is for debugging, do not deal with
+ *  the case of counters roll-over.
+ */
+static void iwl3945_accumulative_statistics(struct iwl_priv *priv,
+					    __le32 *stats)
+{
+	int i;
+	__le32 *prev_stats;
+	u32 *accum_stats;
+	u32 *delta, *max_delta;
+
+	prev_stats = (__le32 *)&priv->_3945.statistics;
+	accum_stats = (u32 *)&priv->_3945.accum_statistics;
+	delta = (u32 *)&priv->_3945.delta_statistics;
+	max_delta = (u32 *)&priv->_3945.max_delta;
+
+	for (i = sizeof(__le32); i < sizeof(struct iwl3945_notif_statistics);
+	     i += sizeof(__le32), stats++, prev_stats++, delta++,
+	     max_delta++, accum_stats++) {
+		if (le32_to_cpu(*stats) > le32_to_cpu(*prev_stats)) {
+			*delta = (le32_to_cpu(*stats) -
+				le32_to_cpu(*prev_stats));
+			*accum_stats += *delta;
+			if (*delta > *max_delta)
+				*max_delta = *delta;
+		}
+	}
+
+	/* reset accumulative statistics for "no-counter" type statistics */
+	priv->_3945.accum_statistics.general.temperature =
+		priv->_3945.statistics.general.temperature;
+	priv->_3945.accum_statistics.general.ttl_timestamp =
+		priv->_3945.statistics.general.ttl_timestamp;
+}
+#endif
 
 void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 		struct iwl_rx_mem_buffer *rxb)
 {
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
+
 	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
+	iwl3945_accumulative_statistics(priv, (__le32 *)&pkt->u.raw);
+#endif
 
 	memcpy(&priv->_3945.statistics, pkt->u.raw, sizeof(priv->_3945.statistics));
 }
 
+void iwl3945_reply_statistics(struct iwl_priv *priv,
+			      struct iwl_rx_mem_buffer *rxb)
+{
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
+	__le32 *flag = (__le32 *)&pkt->u.raw;
+
+	if (le32_to_cpu(*flag) & UCODE_STATISTICS_CLEAR_MSK) {
+#ifdef CONFIG_IWLWIFI_DEBUG
+		memset(&priv->_3945.accum_statistics, 0,
+			sizeof(struct iwl3945_notif_statistics));
+		memset(&priv->_3945.delta_statistics, 0,
+			sizeof(struct iwl3945_notif_statistics));
+		memset(&priv->_3945.max_delta, 0,
+			sizeof(struct iwl3945_notif_statistics));
+#endif
+		IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
+	}
+	iwl3945_hw_rx_statistics(priv, rxb);
+}
+
+
 /******************************************************************************
  *
  * Misc. internal state and helper functions
@@ -2735,6 +2799,12 @@ static struct iwl_lib_ops iwl3945_lib = {
 	.isr = iwl_isr_legacy,
 	.config_ap = iwl3945_config_ap,
 	.add_bcast_station = iwl3945_add_bcast_station,
+
+	.debugfs_ops = {
+		.rx_stats_read = iwl3945_ucode_rx_stats_read,
+		.tx_stats_read = iwl3945_ucode_tx_stats_read,
+		.general_stats_read = iwl3945_ucode_general_stats_read,
+	},
 };
 
 static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index e9674f0a1e94..643adb644bb8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -264,6 +264,8 @@ extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
 extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
 extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 				 struct iwl_rx_mem_buffer *rxb);
+void iwl3945_reply_statistics(struct iwl_priv *priv,
+			      struct iwl_rx_mem_buffer *rxb);
 extern void iwl3945_disable_events(struct iwl_priv *priv);
 extern int iwl4965_get_temperature(const struct iwl_priv *priv);
 extern void iwl3945_post_associate(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index e43493685271..115d3ea1142f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -200,26 +200,57 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 
 	/* Set initial sensitivity parameters */
 	/* Set initial calibration set */
-	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
-	case CSR_HW_REV_TYPE_5150:
-		priv->hw_params.sens = &iwl5150_sensitivity;
-		priv->hw_params.calib_init_cfg =
-			BIT(IWL_CALIB_DC)		|
-			BIT(IWL_CALIB_LO)		|
-			BIT(IWL_CALIB_TX_IQ) 		|
-			BIT(IWL_CALIB_BASE_BAND);
-
-		break;
-	default:
-		priv->hw_params.sens = &iwl5000_sensitivity;
-		priv->hw_params.calib_init_cfg =
-			BIT(IWL_CALIB_XTAL)		|
-			BIT(IWL_CALIB_LO)		|
-			BIT(IWL_CALIB_TX_IQ) 		|
-			BIT(IWL_CALIB_TX_IQ_PERD)	|
-			BIT(IWL_CALIB_BASE_BAND);
-		break;
-	}
+	priv->hw_params.sens = &iwl5000_sensitivity;
+	priv->hw_params.calib_init_cfg =
+		BIT(IWL_CALIB_XTAL)		|
+		BIT(IWL_CALIB_LO)		|
+		BIT(IWL_CALIB_TX_IQ)		|
+		BIT(IWL_CALIB_TX_IQ_PERD)	|
+		BIT(IWL_CALIB_BASE_BAND);
+
+	return 0;
+}
+
+static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
+{
+	if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+	    priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
+		priv->cfg->num_of_queues =
+			priv->cfg->mod_params->num_of_queues;
+
+	priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
+	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
+	priv->hw_params.scd_bc_tbls_size =
+			priv->cfg->num_of_queues *
+			sizeof(struct iwlagn_scd_bc_tbl);
+	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
+	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
+	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
+
+	priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
+	priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
+
+	priv->hw_params.max_bsm_size = 0;
+	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
+					BIT(IEEE80211_BAND_5GHZ);
+	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
+
+	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
+	priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
+	priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
+	priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
+
+	if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
+		priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
+
+	/* Set initial sensitivity parameters */
+	/* Set initial calibration set */
+	priv->hw_params.sens = &iwl5150_sensitivity;
+	priv->hw_params.calib_init_cfg =
+		BIT(IWL_CALIB_DC)		|
+		BIT(IWL_CALIB_LO)		|
+		BIT(IWL_CALIB_TX_IQ)		|
+		BIT(IWL_CALIB_BASE_BAND);
 
 	return 0;
 }
@@ -332,7 +363,7 @@ static struct iwl_lib_ops iwl5000_lib = {
 };
 
 static struct iwl_lib_ops iwl5150_lib = {
-	.set_hw_params = iwl5000_hw_set_hw_params,
+	.set_hw_params = iwl5150_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
 	.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
 	.txq_set_sched = iwlagn_txq_set_sched,
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index 7da23d3ff7b6..7acef703253a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -176,24 +176,56 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 	/* Set initial sensitivity parameters */
 	/* Set initial calibration set */
 	priv->hw_params.sens = &iwl6000_sensitivity;
-	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
-	case CSR_HW_REV_TYPE_6x50:
-		priv->hw_params.calib_init_cfg =
-			BIT(IWL_CALIB_XTAL)		|
-			BIT(IWL_CALIB_DC)		|
-			BIT(IWL_CALIB_LO)		|
-			BIT(IWL_CALIB_TX_IQ) 		|
-			BIT(IWL_CALIB_BASE_BAND);
-
-		break;
-	default:
-		priv->hw_params.calib_init_cfg =
-			BIT(IWL_CALIB_XTAL)		|
-			BIT(IWL_CALIB_LO)		|
-			BIT(IWL_CALIB_TX_IQ) 		|
-			BIT(IWL_CALIB_BASE_BAND);
-		break;
-	}
+	priv->hw_params.calib_init_cfg =
+		BIT(IWL_CALIB_XTAL)		|
+		BIT(IWL_CALIB_LO)		|
+		BIT(IWL_CALIB_TX_IQ)		|
+		BIT(IWL_CALIB_BASE_BAND);
+
+	return 0;
+}
+
+static int iwl6050_hw_set_hw_params(struct iwl_priv *priv)
+{
+	if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+	    priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
+		priv->cfg->num_of_queues =
+			priv->cfg->mod_params->num_of_queues;
+
+	priv->hw_params.max_txq_num = priv->cfg->num_of_queues;
+	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
+	priv->hw_params.scd_bc_tbls_size =
+			priv->cfg->num_of_queues *
+			sizeof(struct iwlagn_scd_bc_tbl);
+	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
+	priv->hw_params.max_stations = IWL5000_STATION_COUNT;
+	priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID;
+
+	priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
+	priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
+
+	priv->hw_params.max_bsm_size = 0;
+	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
+					BIT(IEEE80211_BAND_5GHZ);
+	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
+
+	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
+	priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant);
+	priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
+	priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
+
+	if (priv->cfg->ops->lib->temp_ops.set_ct_kill)
+		priv->cfg->ops->lib->temp_ops.set_ct_kill(priv);
+
+	/* Set initial sensitivity parameters */
+	/* Set initial calibration set */
+	priv->hw_params.sens = &iwl6000_sensitivity;
+	priv->hw_params.calib_init_cfg =
+		BIT(IWL_CALIB_XTAL)		|
+		BIT(IWL_CALIB_DC)		|
+		BIT(IWL_CALIB_LO)		|
+		BIT(IWL_CALIB_TX_IQ)		|
+		BIT(IWL_CALIB_BASE_BAND);
 
 	return 0;
 }
@@ -304,7 +336,7 @@ static const struct iwl_ops iwl6000_ops = {
 };
 
 static struct iwl_lib_ops iwl6050_lib = {
-	.set_hw_params = iwl6000_hw_set_hw_params,
+	.set_hw_params = iwl6050_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
 	.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
 	.txq_set_sched = iwlagn_txq_set_sched,
@@ -468,7 +500,6 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
-	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
@@ -501,7 +532,6 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.pa_type = IWL_PA_INTERNAL,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
 	.shadow_ram_support = true,
-	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
@@ -568,7 +598,6 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.pa_type = IWL_PA_SYSTEM,
 	.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
 	.shadow_ram_support = true,
-	.ht_greenfield_support = true,
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 4bd0aecc7713..a27347425968 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1395,16 +1395,29 @@ void iwlagn_request_scan(struct iwl_priv *priv)
 			rate = IWL_RATE_1M_PLCP;
 			rate_flags = RATE_MCS_CCK_MSK;
 		}
-		scan->good_CRC_th = 0;
+		scan->good_CRC_th = IWL_GOOD_CRC_TH_DISABLED;
 		break;
 	case IEEE80211_BAND_5GHZ:
 		rate = IWL_RATE_6M_PLCP;
 		/*
-		 * If active scaning is requested but a certain channel
-		 * is marked passive, we can do active scanning if we
-		 * detect transmissions.
+		 * If active scanning is requested but a certain channel is
+		 * marked passive, we can do active scanning if we detect
+		 * transmissions.
+		 *
+		 * There is an issue with some firmware versions that triggers
+		 * a sysassert on a "good CRC threshold" of zero (== disabled),
+		 * on a radar channel even though this means that we should NOT
+		 * send probes.
+		 *
+		 * The "good CRC threshold" is the number of frames that we
+		 * need to receive during our dwell time on a channel before
+		 * sending out probes -- setting this to a huge value will
+		 * mean we never reach it, but at the same time work around
+		 * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
+		 * here instead of IWL_GOOD_CRC_TH_DISABLED.
 		 */
-		scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+		scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+						IWL_GOOD_CRC_TH_NEVER;
 		break;
 	default:
 		IWL_WARN(priv, "Invalid scan band count\n");
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 8f8d5e3e688d..f01f242659c3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -867,14 +867,14 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 		rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type,
 				&rs_index);
 		rs_collect_tx_data(curr_tbl, rs_index,
-				   info->status.ampdu_ack_len,
-				   info->status.ampdu_ack_map);
+				   info->status.ampdu_len,
+				   info->status.ampdu_ack_len);
 
 		/* Update success/fail counts if not searching for new mode */
 		if (lq_sta->stay_in_tbl) {
-			lq_sta->total_success += info->status.ampdu_ack_map;
-			lq_sta->total_failed += (info->status.ampdu_ack_len -
-					info->status.ampdu_ack_map);
+			lq_sta->total_success += info->status.ampdu_ack_len;
+			lq_sta->total_failed += (info->status.ampdu_len -
+					info->status.ampdu_ack_len);
 		}
 	} else {
 	/*
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index 11661fa28f21..c2a5c85542bf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -83,6 +83,15 @@ static inline int get_fifo_from_ac(u8 ac)
 	return ac_to_fifo[ac];
 }
 
+static inline int get_ac_from_tid(u16 tid)
+{
+	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
+		return tid_to_ac[tid];
+
+	/* no support for TIDs 8-15 yet */
+	return -EINVAL;
+}
+
 static inline int get_fifo_from_tid(u16 tid)
 {
 	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
@@ -991,7 +1000,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn)
 	tid_data = &priv->stations[sta_id].tid[tid];
 	*ssn = SEQ_TO_SN(tid_data->seq_number);
 	tid_data->agg.txq_id = txq_id;
-	priv->txq[txq_id].swq_id = iwl_virtual_agg_queue_num(tx_fifo, txq_id);
+	priv->txq[txq_id].swq_id = iwl_virtual_agg_queue_num(get_ac_from_tid(tid), txq_id);
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
 	ret = priv->cfg->ops->lib->txq_agg_enable(priv, txq_id, tx_fifo,
@@ -1224,8 +1233,9 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv,
 	memset(&info->status, 0, sizeof(info->status));
 	info->flags |= IEEE80211_TX_STAT_ACK;
 	info->flags |= IEEE80211_TX_STAT_AMPDU;
-	info->status.ampdu_ack_map = successes;
-	info->status.ampdu_ack_len = agg->frame_count;
+	info->status.ampdu_ack_len = successes;
+	info->status.ampdu_ack_map = bitmap;
+	info->status.ampdu_len = agg->frame_count;
 	iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
 
 	IWL_DEBUG_TX_REPLY(priv, "Bitmap %llx\n", (unsigned long long)bitmap);
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0cd338631592..d18c61223ac5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3000,18 +3000,6 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
 	return 0;
 }
 
-static int iwl_mac_get_stats(struct ieee80211_hw *hw,
-			     struct ieee80211_low_level_stats *stats)
-{
-	struct iwl_priv *priv = hw->priv;
-
-	priv = hw->priv;
-	IWL_DEBUG_MAC80211(priv, "enter\n");
-	IWL_DEBUG_MAC80211(priv, "leave\n");
-
-	return 0;
-}
-
 static void iwl_mac_sta_notify(struct ieee80211_hw *hw,
 			       struct ieee80211_vif *vif,
 			       enum sta_notify_cmd cmd,
@@ -3389,7 +3377,6 @@ static struct ieee80211_ops iwl_hw_ops = {
 	.configure_filter = iwl_configure_filter,
 	.set_key = iwl_mac_set_key,
 	.update_tkip_key = iwl_mac_update_tkip_key,
-	.get_stats = iwl_mac_get_stats,
 	.conf_tx = iwl_mac_conf_tx,
 	.reset_tsf = iwl_mac_reset_tsf,
 	.bss_info_changed = iwl_bss_info_changed,
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 67c723cc32d2..0086019b7a15 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2663,7 +2663,9 @@ struct iwl_ssid_ie {
 #define PROBE_OPTION_MAX_3945		4
 #define PROBE_OPTION_MAX		20
 #define TX_CMD_LIFE_TIME_INFINITE	cpu_to_le32(0xFFFFFFFF)
-#define IWL_GOOD_CRC_TH			cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_DISABLED	0
+#define IWL_GOOD_CRC_TH_DEFAULT		cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_NEVER		cpu_to_le16(0xffff)
 #define IWL_MAX_SCAN_SIZE 1024
 #define IWL_MAX_CMD_SIZE 4096
 #define IWL_MAX_PROBE_REQUEST		200
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 457dc196ffdc..1e11706dcf63 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2116,10 +2116,6 @@ EXPORT_SYMBOL(iwl_mac_remove_interface);
 
 /**
  * iwl_mac_config - mac80211 config callback
- *
- * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to
- * be set inappropriately and the driver currently sets the hardware up to
- * use it whenever needed.
  */
 int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 {
@@ -2934,6 +2930,12 @@ int iwl_pci_resume(struct pci_dev *pdev)
 	struct iwl_priv *priv = pci_get_drvdata(pdev);
 	int ret;
 
+	/*
+	 * We disable the RETRY_TIMEOUT register (0x41) to keep
+	 * PCI Tx retries from interfering with C3 CPU state.
+	 */
+	pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
+
 	pci_set_power_state(pdev, PCI_D0);
 	ret = pci_enable_device(pdev);
 	if (ret)
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index d789f8db4481..0aedbec9cbc8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -1053,10 +1053,8 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 					size_t count, loff_t *ppos)
 {
 	struct iwl_priv *priv = file->private_data;
-	if (priv->cfg->ops->lib->debugfs_ops.rx_stats_read)
-		return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
-						user_buf, count, ppos);
-	return 0;
+	return priv->cfg->ops->lib->debugfs_ops.rx_stats_read(file,
+			user_buf, count, ppos);
 }
 
 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
@@ -1064,10 +1062,8 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
 					size_t count, loff_t *ppos)
 {
 	struct iwl_priv *priv = file->private_data;
-	if (priv->cfg->ops->lib->debugfs_ops.tx_stats_read)
-		return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
-						user_buf, count, ppos);
-	return 0;
+	return priv->cfg->ops->lib->debugfs_ops.tx_stats_read(file,
+			user_buf, count, ppos);
 }
 
 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
@@ -1075,10 +1071,8 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
 					size_t count, loff_t *ppos)
 {
 	struct iwl_priv *priv = file->private_data;
-	if (priv->cfg->ops->lib->debugfs_ops.general_stats_read)
-		return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
-						user_buf, count, ppos);
-	return 0;
+	return priv->cfg->ops->lib->debugfs_ops.general_stats_read(file,
+			user_buf, count, ppos);
 }
 
 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index bdc60aae75ec..58c69a5798d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1202,6 +1202,11 @@ struct iwl_priv {
 			struct delayed_work rfkill_poll;
 
 			struct iwl3945_notif_statistics statistics;
+#ifdef CONFIG_IWLWIFI_DEBUG
+			struct iwl3945_notif_statistics accum_statistics;
+			struct iwl3945_notif_statistics delta_statistics;
+			struct iwl3945_notif_statistics max_delta;
+#endif
 
 			u32 sta_supp_rates;
 			int last_rx_rssi;	/* From Rx packet statistics */
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index c9da39d7c414..867d105c7f08 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -956,7 +956,7 @@ static void iwl3945_setup_rx_handlers(struct iwl_priv *priv)
 	 * statistics request from the host as well as for the periodic
 	 * statistics notifications (after received beacons) from the uCode.
 	 */
-	priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl3945_hw_rx_statistics;
+	priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl3945_reply_statistics;
 	priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl3945_hw_rx_statistics;
 
 	iwl_setup_rx_scan_handlers(priv);
@@ -2938,7 +2938,8 @@ void iwl3945_request_scan(struct iwl_priv *priv)
 		 * is marked passive, we can do active scanning if we
 		 * detect transmissions.
 		 */
-		scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+		scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+						IWL_GOOD_CRC_TH_DISABLED;
 		band = IEEE80211_BAND_5GHZ;
 		break;
 	default:
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index fc67888db0ca..d7b9f48b3d3f 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -245,7 +245,7 @@ static void p54p_check_tx_ring(struct ieee80211_hw *dev, u32 *index,
 	u32 idx, i;
 
 	i = (*index) % ring_limit;
-	(*index) = idx = le32_to_cpu(ring_control->device_idx[1]);
+	(*index) = idx = le32_to_cpu(ring_control->device_idx[ring_index]);
 	idx %= ring_limit;
 
 	while (i != idx) {