iwlwifi: rename iwl4965-base.c to iwl-agn.c

This patch renames iwl4965-base.c to iwl-agn.c

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 4523 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
deleted file mode 100644
index f71b3f3f81ba..000000000000
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ /dev/null
@@ -1,4523 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved.
- *
- * Portions of this file are derived from the ipw3945 project, as well
- * as portions of the ieee80211 subsystem header files.
- *
- * 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.
- *
- * Contact Information:
- * James P. Ketrenos <ipw2100-admin@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- *****************************************************************************/
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/version.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/dma-mapping.h>
-#include <linux/delay.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/wireless.h>
-#include <linux/firmware.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-
-#include <net/mac80211.h>
-
-#include <asm/div64.h>
-
-#include "iwl-eeprom.h"
-#include "iwl-dev.h"
-#include "iwl-core.h"
-#include "iwl-io.h"
-#include "iwl-helpers.h"
-#include "iwl-sta.h"
-#include "iwl-calib.h"
-
-
-/******************************************************************************
- *
- * module boiler plate
- *
- ******************************************************************************/
-
-/*
- * module name, copyright, version, etc.
- * NOTE: DRV_NAME is defined in iwlwifi.h for use by iwl-debug.h and printk
- */
-
-#define DRV_DESCRIPTION	"Intel(R) Wireless WiFi Link AGN driver for Linux"
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-#define VD "d"
-#else
-#define VD
-#endif
-
-#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
-#define VS "s"
-#else
-#define VS
-#endif
-
-#define DRV_VERSION     IWLWIFI_VERSION VD VS
-
-
-MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR(DRV_COPYRIGHT);
-MODULE_LICENSE("GPL");
-
-/*************** STATION TABLE MANAGEMENT ****
- * mac80211 should be examined to determine if sta_info is duplicating
- * the functionality provided here
- */
-
-/**************************************************************/
-
-
-
-static void iwl4965_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt)
-{
-	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
-
-	if (hw_decrypt)
-		rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
-	else
-		rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK;
-
-}
-
-/**
- * iwl4965_check_rxon_cmd - validate RXON structure is valid
- *
- * NOTE:  This is really only useful during development and can eventually
- * be #ifdef'd out once the driver is stable and folks aren't actively
- * making changes
- */
-static int iwl4965_check_rxon_cmd(struct iwl_rxon_cmd *rxon)
-{
-	int error = 0;
-	int counter = 1;
-
-	if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
-		error |= le32_to_cpu(rxon->flags &
-				(RXON_FLG_TGJ_NARROW_BAND_MSK |
-				 RXON_FLG_RADAR_DETECT_MSK));
-		if (error)
-			IWL_WARNING("check 24G fields %d | %d\n",
-				    counter++, error);
-	} else {
-		error |= (rxon->flags & RXON_FLG_SHORT_SLOT_MSK) ?
-				0 : le32_to_cpu(RXON_FLG_SHORT_SLOT_MSK);
-		if (error)
-			IWL_WARNING("check 52 fields %d | %d\n",
-				    counter++, error);
-		error |= le32_to_cpu(rxon->flags & RXON_FLG_CCK_MSK);
-		if (error)
-			IWL_WARNING("check 52 CCK %d | %d\n",
-				    counter++, error);
-	}
-	error |= (rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1;
-	if (error)
-		IWL_WARNING("check mac addr %d | %d\n", counter++, error);
-
-	/* make sure basic rates 6Mbps and 1Mbps are supported */
-	error |= (((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0) &&
-		  ((rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0));
-	if (error)
-		IWL_WARNING("check basic rate %d | %d\n", counter++, error);
-
-	error |= (le16_to_cpu(rxon->assoc_id) > 2007);
-	if (error)
-		IWL_WARNING("check assoc id %d | %d\n", counter++, error);
-
-	error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
-			== (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK));
-	if (error)
-		IWL_WARNING("check CCK and short slot %d | %d\n",
-			    counter++, error);
-
-	error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
-			== (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK));
-	if (error)
-		IWL_WARNING("check CCK & auto detect %d | %d\n",
-			    counter++, error);
-
-	error |= ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
-			RXON_FLG_TGG_PROTECT_MSK)) == RXON_FLG_TGG_PROTECT_MSK);
-	if (error)
-		IWL_WARNING("check TGG and auto detect %d | %d\n",
-			    counter++, error);
-
-	if (error)
-		IWL_WARNING("Tuning to channel %d\n",
-			    le16_to_cpu(rxon->channel));
-
-	if (error) {
-		IWL_ERROR("Not a valid iwl4965_rxon_assoc_cmd field values\n");
-		return -1;
-	}
-	return 0;
-}
-
-/**
- * iwl4965_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
- * @priv: staging_rxon is compared to active_rxon
- *
- * If the RXON structure is changing enough to require a new tune,
- * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
- * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
- */
-static int iwl4965_full_rxon_required(struct iwl_priv *priv)
-{
-
-	/* These items are only settable from the full RXON command */
-	if (!(iwl_is_associated(priv)) ||
-	    compare_ether_addr(priv->staging_rxon.bssid_addr,
-			       priv->active_rxon.bssid_addr) ||
-	    compare_ether_addr(priv->staging_rxon.node_addr,
-			       priv->active_rxon.node_addr) ||
-	    compare_ether_addr(priv->staging_rxon.wlap_bssid_addr,
-			       priv->active_rxon.wlap_bssid_addr) ||
-	    (priv->staging_rxon.dev_type != priv->active_rxon.dev_type) ||
-	    (priv->staging_rxon.channel != priv->active_rxon.channel) ||
-	    (priv->staging_rxon.air_propagation !=
-	     priv->active_rxon.air_propagation) ||
-	    (priv->staging_rxon.ofdm_ht_single_stream_basic_rates !=
-	     priv->active_rxon.ofdm_ht_single_stream_basic_rates) ||
-	    (priv->staging_rxon.ofdm_ht_dual_stream_basic_rates !=
-	     priv->active_rxon.ofdm_ht_dual_stream_basic_rates) ||
-	    (priv->staging_rxon.rx_chain != priv->active_rxon.rx_chain) ||
-	    (priv->staging_rxon.assoc_id != priv->active_rxon.assoc_id))
-		return 1;
-
-	/* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
-	 * be updated with the RXON_ASSOC command -- however only some
-	 * flag transitions are allowed using RXON_ASSOC */
-
-	/* Check if we are not switching bands */
-	if ((priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) !=
-	    (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK))
-		return 1;
-
-	/* Check if we are switching association toggle */
-	if ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) !=
-		(priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK))
-		return 1;
-
-	return 0;
-}
-
-/**
- * iwl4965_commit_rxon - commit staging_rxon to hardware
- *
- * The RXON command in staging_rxon is committed to the hardware and
- * the active_rxon structure is updated with the new data.  This
- * function correctly transitions out of the RXON_ASSOC_MSK state if
- * a HW tune is required based on the RXON structure changes.
- */
-static int iwl4965_commit_rxon(struct iwl_priv *priv)
-{
-	/* cast away the const for active_rxon in this function */
-	struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
-	DECLARE_MAC_BUF(mac);
-	int ret;
-	bool new_assoc =
-		!!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
-
-	if (!iwl_is_alive(priv))
-		return -EBUSY;
-
-	/* always get timestamp with Rx frame */
-	priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK;
-	/* allow CTS-to-self if possible. this is relevant only for
-	 * 5000, but will not damage 4965 */
-	priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN;
-
-	ret = iwl4965_check_rxon_cmd(&priv->staging_rxon);
-	if (ret) {
-		IWL_ERROR("Invalid RXON configuration.  Not committing.\n");
-		return -EINVAL;
-	}
-
-	/* If we don't need to send a full RXON, we can use
-	 * iwl4965_rxon_assoc_cmd which is used to reconfigure filter
-	 * and other flags for the current radio configuration. */
-	if (!iwl4965_full_rxon_required(priv)) {
-		ret = iwl_send_rxon_assoc(priv);
-		if (ret) {
-			IWL_ERROR("Error setting RXON_ASSOC (%d)\n", ret);
-			return ret;
-		}
-
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-		return 0;
-	}
-
-	/* station table will be cleared */
-	priv->assoc_station_added = 0;
-
-	/* If we are currently associated and the new config requires
-	 * an RXON_ASSOC and the new config wants the associated mask enabled,
-	 * we must clear the associated from the active configuration
-	 * before we apply the new config */
-	if (iwl_is_associated(priv) && new_assoc) {
-		IWL_DEBUG_INFO("Toggling associated bit on current RXON\n");
-		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-
-		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-				      sizeof(struct iwl_rxon_cmd),
-				      &priv->active_rxon);
-
-		/* If the mask clearing failed then we set
-		 * active_rxon back to what it was previously */
-		if (ret) {
-			active_rxon->filter_flags |= RXON_FILTER_ASSOC_MSK;
-			IWL_ERROR("Error clearing ASSOC_MSK (%d)\n", ret);
-			return ret;
-		}
-	}
-
-	IWL_DEBUG_INFO("Sending RXON\n"
-		       "* with%s RXON_FILTER_ASSOC_MSK\n"
-		       "* channel = %d\n"
-		       "* bssid = %s\n",
-		       (new_assoc ? "" : "out"),
-		       le16_to_cpu(priv->staging_rxon.channel),
-		       print_mac(mac, priv->staging_rxon.bssid_addr));
-
-	iwl4965_set_rxon_hwcrypto(priv, !priv->hw_params.sw_crypto);
-
-	/* Apply the new configuration
-	 * RXON unassoc clears the station table in uCode, send it before
-	 * we add the bcast station. If assoc bit is set, we will send RXON
-	 * after having added the bcast and bssid station.
-	 */
-	if (!new_assoc) {
-		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-			      sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
-		if (ret) {
-			IWL_ERROR("Error setting new RXON (%d)\n", ret);
-			return ret;
-		}
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-	}
-
-	iwl_clear_stations_table(priv);
-
-	if (!priv->error_recovering)
-		priv->start_calib = 0;
-
-	/* Add the broadcast address so we can send broadcast frames */
-	if (iwl_rxon_add_station(priv, iwl_bcast_addr, 0) ==
-						IWL_INVALID_STATION) {
-		IWL_ERROR("Error adding BROADCAST address for transmit.\n");
-		return -EIO;
-	}
-
-	/* If we have set the ASSOC_MSK and we are in BSS mode then
-	 * add the IWL_AP_ID to the station rate table */
-	if (new_assoc) {
-		if (priv->iw_mode == IEEE80211_IF_TYPE_STA) {
-			ret = iwl_rxon_add_station(priv,
-					   priv->active_rxon.bssid_addr, 1);
-			if (ret == IWL_INVALID_STATION) {
-				IWL_ERROR("Error adding AP address for TX.\n");
-				return -EIO;
-			}
-			priv->assoc_station_added = 1;
-			if (priv->default_wep_key &&
-			    iwl_send_static_wepkey_cmd(priv, 0))
-				IWL_ERROR("Could not send WEP static key.\n");
-		}
-
-		/* Apply the new configuration
-		 * RXON assoc doesn't clear the station table in uCode,
-		 */
-		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-			      sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
-		if (ret) {
-			IWL_ERROR("Error setting new RXON (%d)\n", ret);
-			return ret;
-		}
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-	}
-
-	iwl_init_sensitivity(priv);
-
-	/* If we issue a new RXON command which required a tune then we must
-	 * send a new TXPOWER command or we won't be able to Tx any frames */
-	ret = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
-	if (ret) {
-		IWL_ERROR("Error sending TX power (%d)\n", ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-void iwl4965_update_chain_flags(struct iwl_priv *priv)
-{
-
-	iwl_set_rxon_chain(priv);
-	iwl4965_commit_rxon(priv);
-}
-
-static int iwl4965_send_bt_config(struct iwl_priv *priv)
-{
-	struct iwl4965_bt_cmd bt_cmd = {
-		.flags = 3,
-		.lead_time = 0xAA,
-		.max_kill = 1,
-		.kill_ack_mask = 0,
-		.kill_cts_mask = 0,
-	};
-
-	return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG,
-				sizeof(struct iwl4965_bt_cmd), &bt_cmd);
-}
-
-static void iwl_clear_free_frames(struct iwl_priv *priv)
-{
-	struct list_head *element;
-
-	IWL_DEBUG_INFO("%d frames on pre-allocated heap on clear.\n",
-		       priv->frames_count);
-
-	while (!list_empty(&priv->free_frames)) {
-		element = priv->free_frames.next;
-		list_del(element);
-		kfree(list_entry(element, struct iwl_frame, list));
-		priv->frames_count--;
-	}
-
-	if (priv->frames_count) {
-		IWL_WARNING("%d frames still in use.  Did we lose one?\n",
-			    priv->frames_count);
-		priv->frames_count = 0;
-	}
-}
-
-static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv)
-{
-	struct iwl_frame *frame;
-	struct list_head *element;
-	if (list_empty(&priv->free_frames)) {
-		frame = kzalloc(sizeof(*frame), GFP_KERNEL);
-		if (!frame) {
-			IWL_ERROR("Could not allocate frame!\n");
-			return NULL;
-		}
-
-		priv->frames_count++;
-		return frame;
-	}
-
-	element = priv->free_frames.next;
-	list_del(element);
-	return list_entry(element, struct iwl_frame, list);
-}
-
-static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame)
-{
-	memset(frame, 0, sizeof(*frame));
-	list_add(&frame->list, &priv->free_frames);
-}
-
-static unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
-					  struct ieee80211_hdr *hdr,
-					  const u8 *dest, int left)
-{
-	if (!iwl_is_associated(priv) || !priv->ibss_beacon ||
-	    ((priv->iw_mode != IEEE80211_IF_TYPE_IBSS) &&
-	     (priv->iw_mode != IEEE80211_IF_TYPE_AP)))
-		return 0;
-
-	if (priv->ibss_beacon->len > left)
-		return 0;
-
-	memcpy(hdr, priv->ibss_beacon->data, priv->ibss_beacon->len);
-
-	return priv->ibss_beacon->len;
-}
-
-static u8 iwl4965_rate_get_lowest_plcp(struct iwl_priv *priv)
-{
-	int i;
-	int rate_mask;
-
-	/* Set rate mask*/
-	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
-		rate_mask = priv->active_rate_basic & 0xF;
-	else
-		rate_mask = priv->active_rate_basic & 0xFF0;
-
-	/* Find lowest valid rate */
-	for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID;
-					i = iwl_rates[i].next_ieee) {
-		if (rate_mask & (1 << i))
-			return iwl_rates[i].plcp;
-	}
-
-	/* No valid rate was found. Assign the lowest one */
-	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
-		return IWL_RATE_1M_PLCP;
-	else
-		return IWL_RATE_6M_PLCP;
-}
-
-unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
-				       struct iwl_frame *frame, u8 rate)
-{
-	struct iwl_tx_beacon_cmd *tx_beacon_cmd;
-	unsigned int frame_size;
-
-	tx_beacon_cmd = &frame->u.beacon;
-	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
-
-	tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
-	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
-
-	frame_size = iwl_fill_beacon_frame(priv, tx_beacon_cmd->frame,
-				iwl_bcast_addr,
-				sizeof(frame->u) - sizeof(*tx_beacon_cmd));
-
-	BUG_ON(frame_size > MAX_MPDU_SIZE);
-	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
-
-	if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
-		tx_beacon_cmd->tx.rate_n_flags =
-			iwl_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
-	else
-		tx_beacon_cmd->tx.rate_n_flags =
-			iwl_hw_set_rate_n_flags(rate, 0);
-
-	tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
-				     TX_CMD_FLG_TSF_MSK |
-				     TX_CMD_FLG_STA_RATE_MSK;
-
-	return sizeof(*tx_beacon_cmd) + frame_size;
-}
-static int iwl4965_send_beacon_cmd(struct iwl_priv *priv)
-{
-	struct iwl_frame *frame;
-	unsigned int frame_size;
-	int rc;
-	u8 rate;
-
-	frame = iwl_get_free_frame(priv);
-
-	if (!frame) {
-		IWL_ERROR("Could not obtain free frame buffer for beacon "
-			  "command.\n");
-		return -ENOMEM;
-	}
-
-	rate = iwl4965_rate_get_lowest_plcp(priv);
-
-	frame_size = iwl4965_hw_get_beacon_cmd(priv, frame, rate);
-
-	rc = iwl_send_cmd_pdu(priv, REPLY_TX_BEACON, frame_size,
-			      &frame->u.cmd[0]);
-
-	iwl_free_frame(priv, frame);
-
-	return rc;
-}
-
-/******************************************************************************
- *
- * Misc. internal state and helper functions
- *
- ******************************************************************************/
-
-static void iwl4965_ht_conf(struct iwl_priv *priv,
-			    struct ieee80211_bss_conf *bss_conf)
-{
-	struct ieee80211_ht_info *ht_conf = bss_conf->ht_conf;
-	struct ieee80211_ht_bss_info *ht_bss_conf = bss_conf->ht_bss_conf;
-	struct iwl_ht_info *iwl_conf = &priv->current_ht_config;
-
-	IWL_DEBUG_MAC80211("enter: \n");
-
-	iwl_conf->is_ht = bss_conf->assoc_ht;
-
-	if (!iwl_conf->is_ht)
-		return;
-
-	priv->ps_mode = (u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
-
-	if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
-		iwl_conf->sgf |= HT_SHORT_GI_20MHZ;
-	if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
-		iwl_conf->sgf |= HT_SHORT_GI_40MHZ;
-
-	iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD);
-	iwl_conf->max_amsdu_size =
-		!!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU);
-
-	iwl_conf->supported_chan_width =
-		!!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH);
-	iwl_conf->extension_chan_offset =
-		ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET;
-	/* If no above or below channel supplied disable FAT channel */
-	if (iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_ABOVE &&
-	    iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_BELOW) {
-		iwl_conf->extension_chan_offset = IEEE80211_HT_IE_CHA_SEC_NONE;
-		iwl_conf->supported_chan_width = 0;
-	}
-
-	iwl_conf->tx_mimo_ps_mode =
-		(u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
-	memcpy(iwl_conf->supp_mcs_set, ht_conf->supp_mcs_set, 16);
-
-	iwl_conf->control_channel = ht_bss_conf->primary_channel;
-	iwl_conf->tx_chan_width =
-		!!(ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_WIDTH);
-	iwl_conf->ht_protection =
-		ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_HT_PROTECTION;
-	iwl_conf->non_GF_STA_present =
-		!!(ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_NON_GF_STA_PRSNT);
-
-	IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf->control_channel);
-	IWL_DEBUG_MAC80211("leave\n");
-}
-
-/*
- * QoS  support
-*/
-static void iwl_activate_qos(struct iwl_priv *priv, u8 force)
-{
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	if (!priv->qos_data.qos_enable)
-		return;
-
-	priv->qos_data.def_qos_parm.qos_flags = 0;
-
-	if (priv->qos_data.qos_cap.q_AP.queue_request &&
-	    !priv->qos_data.qos_cap.q_AP.txop_request)
-		priv->qos_data.def_qos_parm.qos_flags |=
-			QOS_PARAM_FLG_TXOP_TYPE_MSK;
-	if (priv->qos_data.qos_active)
-		priv->qos_data.def_qos_parm.qos_flags |=
-			QOS_PARAM_FLG_UPDATE_EDCA_MSK;
-
-	if (priv->current_ht_config.is_ht)
-		priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
-
-	if (force || iwl_is_associated(priv)) {
-		IWL_DEBUG_QOS("send QoS cmd with Qos active=%d FLAGS=0x%X\n",
-				priv->qos_data.qos_active,
-				priv->qos_data.def_qos_parm.qos_flags);
-
-		iwl_send_cmd_pdu_async(priv, REPLY_QOS_PARAM,
-				       sizeof(struct iwl_qosparam_cmd),
-				       &priv->qos_data.def_qos_parm, NULL);
-	}
-}
-
-#define MAX_UCODE_BEACON_INTERVAL	4096
-
-static __le16 iwl4965_adjust_beacon_interval(u16 beacon_val)
-{
-	u16 new_val = 0;
-	u16 beacon_factor = 0;
-
-	beacon_factor =
-	    (beacon_val + MAX_UCODE_BEACON_INTERVAL)
-		/ MAX_UCODE_BEACON_INTERVAL;
-	new_val = beacon_val / beacon_factor;
-
-	return cpu_to_le16(new_val);
-}
-
-static void iwl4965_setup_rxon_timing(struct iwl_priv *priv)
-{
-	u64 interval_tm_unit;
-	u64 tsf, result;
-	unsigned long flags;
-	struct ieee80211_conf *conf = NULL;
-	u16 beacon_int = 0;
-
-	conf = ieee80211_get_hw_conf(priv->hw);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	priv->rxon_timing.timestamp.dw[1] = cpu_to_le32(priv->timestamp >> 32);
-	priv->rxon_timing.timestamp.dw[0] =
-				cpu_to_le32(priv->timestamp & 0xFFFFFFFF);
-
-	priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval);
-
-	tsf = priv->timestamp;
-
-	beacon_int = priv->beacon_int;
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_STA) {
-		if (beacon_int == 0) {
-			priv->rxon_timing.beacon_interval = cpu_to_le16(100);
-			priv->rxon_timing.beacon_init_val = cpu_to_le32(102400);
-		} else {
-			priv->rxon_timing.beacon_interval =
-				cpu_to_le16(beacon_int);
-			priv->rxon_timing.beacon_interval =
-			    iwl4965_adjust_beacon_interval(
-				le16_to_cpu(priv->rxon_timing.beacon_interval));
-		}
-
-		priv->rxon_timing.atim_window = 0;
-	} else {
-		priv->rxon_timing.beacon_interval =
-			iwl4965_adjust_beacon_interval(conf->beacon_int);
-		/* TODO: we need to get atim_window from upper stack
-		 * for now we set to 0 */
-		priv->rxon_timing.atim_window = 0;
-	}
-
-	interval_tm_unit =
-		(le16_to_cpu(priv->rxon_timing.beacon_interval) * 1024);
-	result = do_div(tsf, interval_tm_unit);
-	priv->rxon_timing.beacon_init_val =
-	    cpu_to_le32((u32) ((u64) interval_tm_unit - result));
-
-	IWL_DEBUG_ASSOC
-	    ("beacon interval %d beacon timer %d beacon tim %d\n",
-		le16_to_cpu(priv->rxon_timing.beacon_interval),
-		le32_to_cpu(priv->rxon_timing.beacon_init_val),
-		le16_to_cpu(priv->rxon_timing.atim_window));
-}
-
-static void iwl_set_flags_for_band(struct iwl_priv *priv,
-				   enum ieee80211_band band)
-{
-	if (band == IEEE80211_BAND_5GHZ) {
-		priv->staging_rxon.flags &=
-		    ~(RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK
-		      | RXON_FLG_CCK_MSK);
-		priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
-	} else {
-		/* Copied from iwl4965_post_associate() */
-		if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
-			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
-		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
-		if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS)
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
-		priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
-		priv->staging_rxon.flags |= RXON_FLG_AUTO_DETECT_MSK;
-		priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK;
-	}
-}
-
-/*
- * initialize rxon structure with default values from eeprom
- */
-static void iwl4965_connection_init_rx_config(struct iwl_priv *priv)
-{
-	const struct iwl_channel_info *ch_info;
-
-	memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
-
-	switch (priv->iw_mode) {
-	case IEEE80211_IF_TYPE_AP:
-		priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
-		break;
-
-	case IEEE80211_IF_TYPE_STA:
-		priv->staging_rxon.dev_type = RXON_DEV_TYPE_ESS;
-		priv->staging_rxon.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
-		break;
-
-	case IEEE80211_IF_TYPE_IBSS:
-		priv->staging_rxon.dev_type = RXON_DEV_TYPE_IBSS;
-		priv->staging_rxon.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
-		priv->staging_rxon.filter_flags = RXON_FILTER_BCON_AWARE_MSK |
-						  RXON_FILTER_ACCEPT_GRP_MSK;
-		break;
-
-	case IEEE80211_IF_TYPE_MNTR:
-		priv->staging_rxon.dev_type = RXON_DEV_TYPE_SNIFFER;
-		priv->staging_rxon.filter_flags = RXON_FILTER_PROMISC_MSK |
-		    RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
-		break;
-	default:
-		IWL_ERROR("Unsupported interface type %d\n", priv->iw_mode);
-		break;
-	}
-
-#if 0
-	/* TODO:  Figure out when short_preamble would be set and cache from
-	 * that */
-	if (!hw_to_local(priv->hw)->short_preamble)
-		priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
-	else
-		priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
-#endif
-
-	ch_info = iwl_get_channel_info(priv, priv->band,
-				       le16_to_cpu(priv->active_rxon.channel));
-
-	if (!ch_info)
-		ch_info = &priv->channel_info[0];
-
-	/*
-	 * in some case A channels are all non IBSS
-	 * in this case force B/G channel
-	 */
-	if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) &&
-	    !(is_channel_ibss(ch_info)))
-		ch_info = &priv->channel_info[0];
-
-	priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
-	priv->band = ch_info->band;
-
-	iwl_set_flags_for_band(priv, priv->band);
-
-	priv->staging_rxon.ofdm_basic_rates =
-	    (IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
-	priv->staging_rxon.cck_basic_rates =
-	    (IWL_CCK_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
-
-	priv->staging_rxon.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
-					RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
-	memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
-	memcpy(priv->staging_rxon.wlap_bssid_addr, priv->mac_addr, ETH_ALEN);
-	priv->staging_rxon.ofdm_ht_single_stream_basic_rates = 0xff;
-	priv->staging_rxon.ofdm_ht_dual_stream_basic_rates = 0xff;
-	iwl_set_rxon_chain(priv);
-}
-
-static int iwl4965_set_mode(struct iwl_priv *priv, int mode)
-{
-	priv->iw_mode = mode;
-
-	iwl4965_connection_init_rx_config(priv);
-	memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
-
-	iwl_clear_stations_table(priv);
-
-	/* dont commit rxon if rf-kill is on*/
-	if (!iwl_is_ready_rf(priv))
-		return -EAGAIN;
-
-	cancel_delayed_work(&priv->scan_check);
-	if (iwl_scan_cancel_timeout(priv, 100)) {
-		IWL_WARNING("Aborted scan still in progress after 100ms\n");
-		IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
-		return -EAGAIN;
-	}
-
-	iwl4965_commit_rxon(priv);
-
-	return 0;
-}
-
-static void iwl4965_set_rate(struct iwl_priv *priv)
-{
-	const struct ieee80211_supported_band *hw = NULL;
-	struct ieee80211_rate *rate;
-	int i;
-
-	hw = iwl_get_hw_mode(priv, priv->band);
-	if (!hw) {
-		IWL_ERROR("Failed to set rate: unable to get hw mode\n");
-		return;
-	}
-
-	priv->active_rate = 0;
-	priv->active_rate_basic = 0;
-
-	for (i = 0; i < hw->n_bitrates; i++) {
-		rate = &(hw->bitrates[i]);
-		if (rate->hw_value < IWL_RATE_COUNT)
-			priv->active_rate |= (1 << rate->hw_value);
-	}
-
-	IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n",
-		       priv->active_rate, priv->active_rate_basic);
-
-	/*
-	 * If a basic rate is configured, then use it (adding IWL_RATE_1M_MASK)
-	 * otherwise set it to the default of all CCK rates and 6, 12, 24 for
-	 * OFDM
-	 */
-	if (priv->active_rate_basic & IWL_CCK_BASIC_RATES_MASK)
-		priv->staging_rxon.cck_basic_rates =
-		    ((priv->active_rate_basic &
-		      IWL_CCK_RATES_MASK) >> IWL_FIRST_CCK_RATE) & 0xF;
-	else
-		priv->staging_rxon.cck_basic_rates =
-		    (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
-
-	if (priv->active_rate_basic & IWL_OFDM_BASIC_RATES_MASK)
-		priv->staging_rxon.ofdm_basic_rates =
-		    ((priv->active_rate_basic &
-		      (IWL_OFDM_BASIC_RATES_MASK | IWL_RATE_6M_MASK)) >>
-		      IWL_FIRST_OFDM_RATE) & 0xFF;
-	else
-		priv->staging_rxon.ofdm_basic_rates =
-		   (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
-}
-
-#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
-
-#include "iwl-spectrum.h"
-
-#define BEACON_TIME_MASK_LOW	0x00FFFFFF
-#define BEACON_TIME_MASK_HIGH	0xFF000000
-#define TIME_UNIT		1024
-
-/*
- * extended beacon time format
- * time in usec will be changed into a 32-bit value in 8:24 format
- * the high 1 byte is the beacon counts
- * the lower 3 bytes is the time in usec within one beacon interval
- */
-
-static u32 iwl4965_usecs_to_beacons(u32 usec, u32 beacon_interval)
-{
-	u32 quot;
-	u32 rem;
-	u32 interval = beacon_interval * 1024;
-
-	if (!interval || !usec)
-		return 0;
-
-	quot = (usec / interval) & (BEACON_TIME_MASK_HIGH >> 24);
-	rem = (usec % interval) & BEACON_TIME_MASK_LOW;
-
-	return (quot << 24) + rem;
-}
-
-/* base is usually what we get from ucode with each received frame,
- * the same as HW timer counter counting down
- */
-
-static __le32 iwl4965_add_beacon_time(u32 base, u32 addon, u32 beacon_interval)
-{
-	u32 base_low = base & BEACON_TIME_MASK_LOW;
-	u32 addon_low = addon & BEACON_TIME_MASK_LOW;
-	u32 interval = beacon_interval * TIME_UNIT;
-	u32 res = (base & BEACON_TIME_MASK_HIGH) +
-	    (addon & BEACON_TIME_MASK_HIGH);
-
-	if (base_low > addon_low)
-		res += base_low - addon_low;
-	else if (base_low < addon_low) {
-		res += interval + base_low - addon_low;
-		res += (1 << 24);
-	} else
-		res += (1 << 24);
-
-	return cpu_to_le32(res);
-}
-
-static int iwl4965_get_measurement(struct iwl_priv *priv,
-			       struct ieee80211_measurement_params *params,
-			       u8 type)
-{
-	struct iwl4965_spectrum_cmd spectrum;
-	struct iwl_rx_packet *res;
-	struct iwl_host_cmd cmd = {
-		.id = REPLY_SPECTRUM_MEASUREMENT_CMD,
-		.data = (void *)&spectrum,
-		.meta.flags = CMD_WANT_SKB,
-	};
-	u32 add_time = le64_to_cpu(params->start_time);
-	int rc;
-	int spectrum_resp_status;
-	int duration = le16_to_cpu(params->duration);
-
-	if (iwl_is_associated(priv))
-		add_time =
-		    iwl4965_usecs_to_beacons(
-			le64_to_cpu(params->start_time) - priv->last_tsf,
-			le16_to_cpu(priv->rxon_timing.beacon_interval));
-
-	memset(&spectrum, 0, sizeof(spectrum));
-
-	spectrum.channel_count = cpu_to_le16(1);
-	spectrum.flags =
-	    RXON_FLG_TSF2HOST_MSK | RXON_FLG_ANT_A_MSK | RXON_FLG_DIS_DIV_MSK;
-	spectrum.filter_flags = MEASUREMENT_FILTER_FLAG;
-	cmd.len = sizeof(spectrum);
-	spectrum.len = cpu_to_le16(cmd.len - sizeof(spectrum.len));
-
-	if (iwl_is_associated(priv))
-		spectrum.start_time =
-		    iwl4965_add_beacon_time(priv->last_beacon_time,
-				add_time,
-				le16_to_cpu(priv->rxon_timing.beacon_interval));
-	else
-		spectrum.start_time = 0;
-
-	spectrum.channels[0].duration = cpu_to_le32(duration * TIME_UNIT);
-	spectrum.channels[0].channel = params->channel;
-	spectrum.channels[0].type = type;
-	if (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK)
-		spectrum.flags |= RXON_FLG_BAND_24G_MSK |
-		    RXON_FLG_AUTO_DETECT_MSK | RXON_FLG_TGG_PROTECT_MSK;
-
-	rc = iwl_send_cmd_sync(priv, &cmd);
-	if (rc)
-		return rc;
-
-	res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
-	if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
-		IWL_ERROR("Bad return from REPLY_RX_ON_ASSOC command\n");
-		rc = -EIO;
-	}
-
-	spectrum_resp_status = le16_to_cpu(res->u.spectrum.status);
-	switch (spectrum_resp_status) {
-	case 0:		/* Command will be handled */
-		if (res->u.spectrum.id != 0xff) {
-			IWL_DEBUG_INFO
-			    ("Replaced existing measurement: %d\n",
-			     res->u.spectrum.id);
-			priv->measurement_status &= ~MEASUREMENT_READY;
-		}
-		priv->measurement_status |= MEASUREMENT_ACTIVE;
-		rc = 0;
-		break;
-
-	case 1:		/* Command will not be handled */
-		rc = -EAGAIN;
-		break;
-	}
-
-	dev_kfree_skb_any(cmd.meta.u.skb);
-
-	return rc;
-}
-#endif
-
-/******************************************************************************
- *
- * Generic RX handler implementations
- *
- ******************************************************************************/
-static void iwl_rx_reply_alive(struct iwl_priv *priv,
-				struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	struct iwl_alive_resp *palive;
-	struct delayed_work *pwork;
-
-	palive = &pkt->u.alive_frame;
-
-	IWL_DEBUG_INFO("Alive ucode status 0x%08X revision "
-		       "0x%01X 0x%01X\n",
-		       palive->is_valid, palive->ver_type,
-		       palive->ver_subtype);
-
-	if (palive->ver_subtype == INITIALIZE_SUBTYPE) {
-		IWL_DEBUG_INFO("Initialization Alive received.\n");
-		memcpy(&priv->card_alive_init,
-		       &pkt->u.alive_frame,
-		       sizeof(struct iwl_init_alive_resp));
-		pwork = &priv->init_alive_start;
-	} else {
-		IWL_DEBUG_INFO("Runtime Alive received.\n");
-		memcpy(&priv->card_alive, &pkt->u.alive_frame,
-		       sizeof(struct iwl_alive_resp));
-		pwork = &priv->alive_start;
-	}
-
-	/* We delay the ALIVE response by 5ms to
-	 * give the HW RF Kill time to activate... */
-	if (palive->is_valid == UCODE_VALID_OK)
-		queue_delayed_work(priv->workqueue, pwork,
-				   msecs_to_jiffies(5));
-	else
-		IWL_WARNING("uCode did not respond OK.\n");
-}
-
-static void iwl4965_rx_reply_error(struct iwl_priv *priv,
-				   struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-
-	IWL_ERROR("Error Reply type 0x%08X cmd %s (0x%02X) "
-		"seq 0x%04X ser 0x%08X\n",
-		le32_to_cpu(pkt->u.err_resp.error_type),
-		get_cmd_string(pkt->u.err_resp.cmd_id),
-		pkt->u.err_resp.cmd_id,
-		le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num),
-		le32_to_cpu(pkt->u.err_resp.error_info));
-}
-
-#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x
-
-static void iwl4965_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
-	struct iwl4965_csa_notification *csa = &(pkt->u.csa_notif);
-	IWL_DEBUG_11H("CSA notif: channel %d, status %d\n",
-		      le16_to_cpu(csa->channel), le32_to_cpu(csa->status));
-	rxon->channel = csa->channel;
-	priv->staging_rxon.channel = csa->channel;
-}
-
-static void iwl4965_rx_spectrum_measure_notif(struct iwl_priv *priv,
-					  struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	struct iwl4965_spectrum_notification *report = &(pkt->u.spectrum_notif);
-
-	if (!report->state) {
-		IWL_DEBUG(IWL_DL_11H,
-			"Spectrum Measure Notification: Start\n");
-		return;
-	}
-
-	memcpy(&priv->measure_report, report, sizeof(*report));
-	priv->measurement_status |= MEASUREMENT_READY;
-#endif
-}
-
-static void iwl4965_rx_pm_sleep_notif(struct iwl_priv *priv,
-				      struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	struct iwl4965_sleep_notification *sleep = &(pkt->u.sleep_notif);
-	IWL_DEBUG_RX("sleep mode: %d, src: %d\n",
-		     sleep->pm_sleep_mode, sleep->pm_wakeup_src);
-#endif
-}
-
-static void iwl4965_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
-					     struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	IWL_DEBUG_RADIO("Dumping %d bytes of unhandled "
-			"notification for %s:\n",
-			le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd));
-	iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len));
-}
-
-static void iwl4965_bg_beacon_update(struct work_struct *work)
-{
-	struct iwl_priv *priv =
-		container_of(work, struct iwl_priv, beacon_update);
-	struct sk_buff *beacon;
-
-	/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
-	beacon = ieee80211_beacon_get(priv->hw, priv->vif);
-
-	if (!beacon) {
-		IWL_ERROR("update beacon failed\n");
-		return;
-	}
-
-	mutex_lock(&priv->mutex);
-	/* new beacon skb is allocated every time; dispose previous.*/
-	if (priv->ibss_beacon)
-		dev_kfree_skb(priv->ibss_beacon);
-
-	priv->ibss_beacon = beacon;
-	mutex_unlock(&priv->mutex);
-
-	iwl4965_send_beacon_cmd(priv);
-}
-
-/**
- * iwl4965_bg_statistics_periodic - Timer callback to queue statistics
- *
- * This callback is provided in order to send a statistics request.
- *
- * This timer function is continually reset to execute within
- * REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
- * was received.  We need to ensure we receive the statistics in order
- * to update the temperature used for calibrating the TXPOWER.
- */
-static void iwl4965_bg_statistics_periodic(unsigned long data)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)data;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	iwl_send_statistics_request(priv, CMD_ASYNC);
-}
-
-static void iwl4965_rx_beacon_notif(struct iwl_priv *priv,
-				struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	struct iwl4965_beacon_notif *beacon = &(pkt->u.beacon_status);
-	u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
-
-	IWL_DEBUG_RX("beacon status %x retries %d iss %d "
-		"tsf %d %d rate %d\n",
-		le32_to_cpu(beacon->beacon_notify_hdr.u.status) & TX_STATUS_MSK,
-		beacon->beacon_notify_hdr.failure_frame,
-		le32_to_cpu(beacon->ibss_mgr_status),
-		le32_to_cpu(beacon->high_tsf),
-		le32_to_cpu(beacon->low_tsf), rate);
-#endif
-
-	if ((priv->iw_mode == IEEE80211_IF_TYPE_AP) &&
-	    (!test_bit(STATUS_EXIT_PENDING, &priv->status)))
-		queue_work(priv->workqueue, &priv->beacon_update);
-}
-
-/* Handle notification from uCode that card's power state is changing
- * due to software, hardware, or critical temperature RFKILL */
-static void iwl4965_rx_card_state_notif(struct iwl_priv *priv,
-				    struct iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-	u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
-	unsigned long status = priv->status;
-
-	IWL_DEBUG_RF_KILL("Card state received: HW:%s SW:%s\n",
-			  (flags & HW_CARD_DISABLED) ? "Kill" : "On",
-			  (flags & SW_CARD_DISABLED) ? "Kill" : "On");
-
-	if (flags & (SW_CARD_DISABLED | HW_CARD_DISABLED |
-		     RF_CARD_DISABLED)) {
-
-		iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
-			    CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
-
-		if (!iwl_grab_nic_access(priv)) {
-			iwl_write_direct32(
-				priv, HBUS_TARG_MBX_C,
-				HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED);
-
-			iwl_release_nic_access(priv);
-		}
-
-		if (!(flags & RXON_CARD_DISABLED)) {
-			iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
-				    CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
-			if (!iwl_grab_nic_access(priv)) {
-				iwl_write_direct32(
-					priv, HBUS_TARG_MBX_C,
-					HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED);
-
-				iwl_release_nic_access(priv);
-			}
-		}
-
-		if (flags & RF_CARD_DISABLED) {
-			iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
-				    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
-			iwl_read32(priv, CSR_UCODE_DRV_GP1);
-			if (!iwl_grab_nic_access(priv))
-				iwl_release_nic_access(priv);
-		}
-	}
-
-	if (flags & HW_CARD_DISABLED)
-		set_bit(STATUS_RF_KILL_HW, &priv->status);
-	else
-		clear_bit(STATUS_RF_KILL_HW, &priv->status);
-
-
-	if (flags & SW_CARD_DISABLED)
-		set_bit(STATUS_RF_KILL_SW, &priv->status);
-	else
-		clear_bit(STATUS_RF_KILL_SW, &priv->status);
-
-	if (!(flags & RXON_CARD_DISABLED))
-		iwl_scan_cancel(priv);
-
-	if ((test_bit(STATUS_RF_KILL_HW, &status) !=
-	     test_bit(STATUS_RF_KILL_HW, &priv->status)) ||
-	    (test_bit(STATUS_RF_KILL_SW, &status) !=
-	     test_bit(STATUS_RF_KILL_SW, &priv->status)))
-		queue_work(priv->workqueue, &priv->rf_kill);
-	else
-		wake_up_interruptible(&priv->wait_command_queue);
-}
-
-int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
-{
-	int ret;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	ret = iwl_grab_nic_access(priv);
-	if (ret)
-		goto err;
-
-	if (src == IWL_PWR_SRC_VAUX) {
-		u32 val;
-		ret = pci_read_config_dword(priv->pci_dev, PCI_POWER_SOURCE,
-					    &val);
-
-		if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT)
-			iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
-					       APMG_PS_CTRL_VAL_PWR_SRC_VAUX,
-					       ~APMG_PS_CTRL_MSK_PWR_SRC);
-	} else {
-		iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
-				       APMG_PS_CTRL_VAL_PWR_SRC_VMAIN,
-				       ~APMG_PS_CTRL_MSK_PWR_SRC);
-	}
-
-	iwl_release_nic_access(priv);
-err:
-	spin_unlock_irqrestore(&priv->lock, flags);
-	return ret;
-}
-
-/**
- * iwl4965_setup_rx_handlers - Initialize Rx handler callbacks
- *
- * Setup the RX handlers for each of the reply types sent from the uCode
- * to the host.
- *
- * This function chains into the hardware specific files for them to setup
- * any hardware specific handlers as well.
- */
-static void iwl_setup_rx_handlers(struct iwl_priv *priv)
-{
-	priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive;
-	priv->rx_handlers[REPLY_ERROR] = iwl4965_rx_reply_error;
-	priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl4965_rx_csa;
-	priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] =
-	    iwl4965_rx_spectrum_measure_notif;
-	priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl4965_rx_pm_sleep_notif;
-	priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
-	    iwl4965_rx_pm_debug_statistics_notif;
-	priv->rx_handlers[BEACON_NOTIFICATION] = iwl4965_rx_beacon_notif;
-
-	/*
-	 * The same handler is used for both the REPLY to a discrete
-	 * 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] = iwl_rx_statistics;
-	priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
-
-	iwl_setup_rx_scan_handlers(priv);
-
-	/* status change handler */
-	priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl4965_rx_card_state_notif;
-
-	priv->rx_handlers[MISSED_BEACONS_NOTIFICATION] =
-	    iwl_rx_missed_beacon_notif;
-	/* Rx handlers */
-	priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl_rx_reply_rx_phy;
-	priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl_rx_reply_rx;
-	/* block ack */
-	priv->rx_handlers[REPLY_COMPRESSED_BA] = iwl_rx_reply_compressed_ba;
-	/* Set up hardware specific Rx handlers */
-	priv->cfg->ops->lib->rx_handler_setup(priv);
-}
-
-/*
- * this should be called while priv->lock is locked
-*/
-static void __iwl_rx_replenish(struct iwl_priv *priv)
-{
-	iwl_rx_allocate(priv);
-	iwl_rx_queue_restock(priv);
-}
-
-
-/**
- * iwl_rx_handle - Main entry function for receiving responses from uCode
- *
- * Uses the priv->rx_handlers callback function array to invoke
- * the appropriate handlers, including command responses,
- * frame-received notifications, and other notifications.
- */
-void iwl_rx_handle(struct iwl_priv *priv)
-{
-	struct iwl_rx_mem_buffer *rxb;
-	struct iwl_rx_packet *pkt;
-	struct iwl_rx_queue *rxq = &priv->rxq;
-	u32 r, i;
-	int reclaim;
-	unsigned long flags;
-	u8 fill_rx = 0;
-	u32 count = 8;
-
-	/* uCode's read index (stored in shared DRAM) indicates the last Rx
-	 * buffer that the driver may process (last buffer filled by ucode). */
-	r = priv->cfg->ops->lib->shared_mem_rx_idx(priv);
-	i = rxq->read;
-
-	/* Rx interrupt, but nothing sent from uCode */
-	if (i == r)
-		IWL_DEBUG(IWL_DL_RX, "r = %d, i = %d\n", r, i);
-
-	if (iwl_rx_queue_space(rxq) > (RX_QUEUE_SIZE / 2))
-		fill_rx = 1;
-
-	while (i != r) {
-		rxb = rxq->queue[i];
-
-		/* If an RXB doesn't have a Rx queue slot associated with it,
-		 * then a bug has been introduced in the queue refilling
-		 * routines -- catch it here */
-		BUG_ON(rxb == NULL);
-
-		rxq->queue[i] = NULL;
-
-		pci_dma_sync_single_for_cpu(priv->pci_dev, rxb->dma_addr,
-					    priv->hw_params.rx_buf_size,
-					    PCI_DMA_FROMDEVICE);
-		pkt = (struct iwl_rx_packet *)rxb->skb->data;
-
-		/* Reclaim a command buffer only if this packet is a response
-		 *   to a (driver-originated) command.
-		 * If the packet (e.g. Rx frame) originated from uCode,
-		 *   there is no command buffer to reclaim.
-		 * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
-		 *   but apparently a few don't get set; catch them here. */
-		reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
-			(pkt->hdr.cmd != REPLY_RX_PHY_CMD) &&
-			(pkt->hdr.cmd != REPLY_RX) &&
-			(pkt->hdr.cmd != REPLY_COMPRESSED_BA) &&
-			(pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
-			(pkt->hdr.cmd != REPLY_TX);
-
-		/* Based on type of command response or notification,
-		 *   handle those that need handling via function in
-		 *   rx_handlers table.  See iwl4965_setup_rx_handlers() */
-		if (priv->rx_handlers[pkt->hdr.cmd]) {
-			IWL_DEBUG(IWL_DL_RX, "r = %d, i = %d, %s, 0x%02x\n", r,
-				i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
-			priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
-		} else {
-			/* No handling needed */
-			IWL_DEBUG(IWL_DL_RX,
-				"r %d i %d No handler needed for %s, 0x%02x\n",
-				r, i, get_cmd_string(pkt->hdr.cmd),
-				pkt->hdr.cmd);
-		}
-
-		if (reclaim) {
-			/* Invoke any callbacks, transfer the skb to caller, and
-			 * fire off the (possibly) blocking iwl_send_cmd()
-			 * as we reclaim the driver command queue */
-			if (rxb && rxb->skb)
-				iwl_tx_cmd_complete(priv, rxb);
-			else
-				IWL_WARNING("Claim null rxb?\n");
-		}
-
-		/* For now we just don't re-use anything.  We can tweak this
-		 * later to try and re-use notification packets and SKBs that
-		 * fail to Rx correctly */
-		if (rxb->skb != NULL) {
-			priv->alloc_rxb_skb--;
-			dev_kfree_skb_any(rxb->skb);
-			rxb->skb = NULL;
-		}
-
-		pci_unmap_single(priv->pci_dev, rxb->dma_addr,
-				 priv->hw_params.rx_buf_size,
-				 PCI_DMA_FROMDEVICE);
-		spin_lock_irqsave(&rxq->lock, flags);
-		list_add_tail(&rxb->list, &priv->rxq.rx_used);
-		spin_unlock_irqrestore(&rxq->lock, flags);
-		i = (i + 1) & RX_QUEUE_MASK;
-		/* If there are a lot of unused frames,
-		 * restock the Rx queue so ucode wont assert. */
-		if (fill_rx) {
-			count++;
-			if (count >= 8) {
-				priv->rxq.read = i;
-				__iwl_rx_replenish(priv);
-				count = 0;
-			}
-		}
-	}
-
-	/* Backtrack one entry */
-	priv->rxq.read = i;
-	iwl_rx_queue_restock(priv);
-}
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-static void iwl4965_print_rx_config_cmd(struct iwl_priv *priv)
-{
-	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
-	DECLARE_MAC_BUF(mac);
-
-	IWL_DEBUG_RADIO("RX CONFIG:\n");
-	iwl_print_hex_dump(priv, IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
-	IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon->channel));
-	IWL_DEBUG_RADIO("u32 flags: 0x%08X\n", le32_to_cpu(rxon->flags));
-	IWL_DEBUG_RADIO("u32 filter_flags: 0x%08x\n",
-			le32_to_cpu(rxon->filter_flags));
-	IWL_DEBUG_RADIO("u8 dev_type: 0x%x\n", rxon->dev_type);
-	IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
-			rxon->ofdm_basic_rates);
-	IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates);
-	IWL_DEBUG_RADIO("u8[6] node_addr: %s\n",
-			print_mac(mac, rxon->node_addr));
-	IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n",
-			print_mac(mac, rxon->bssid_addr));
-	IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
-}
-#endif
-
-static void iwl4965_enable_interrupts(struct iwl_priv *priv)
-{
-	IWL_DEBUG_ISR("Enabling interrupts\n");
-	set_bit(STATUS_INT_ENABLED, &priv->status);
-	iwl_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK);
-}
-
-/* call this function to flush any scheduled tasklet */
-static inline void iwl_synchronize_irq(struct iwl_priv *priv)
-{
-	/* wait to make sure we flush pedding tasklet*/
-	synchronize_irq(priv->pci_dev->irq);
-	tasklet_kill(&priv->irq_tasklet);
-}
-
-static inline void iwl4965_disable_interrupts(struct iwl_priv *priv)
-{
-	clear_bit(STATUS_INT_ENABLED, &priv->status);
-
-	/* disable interrupts from uCode/NIC to host */
-	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
-	/* acknowledge/clear/reset any interrupts still pending
-	 * from uCode or flow handler (Rx/Tx DMA) */
-	iwl_write32(priv, CSR_INT, 0xffffffff);
-	iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff);
-	IWL_DEBUG_ISR("Disabled interrupts\n");
-}
-
-
-/**
- * iwl4965_irq_handle_error - called for HW or SW error interrupt from card
- */
-static void iwl4965_irq_handle_error(struct iwl_priv *priv)
-{
-	/* Set the FW error flag -- cleared on iwl4965_down */
-	set_bit(STATUS_FW_ERROR, &priv->status);
-
-	/* Cancel currently queued command. */
-	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & IWL_DL_FW_ERRORS) {
-		iwl_dump_nic_error_log(priv);
-		iwl_dump_nic_event_log(priv);
-		iwl4965_print_rx_config_cmd(priv);
-	}
-#endif
-
-	wake_up_interruptible(&priv->wait_command_queue);
-
-	/* Keep the restart process from trying to send host
-	 * commands by clearing the INIT status bit */
-	clear_bit(STATUS_READY, &priv->status);
-
-	if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) {
-		IWL_DEBUG(IWL_DL_FW_ERRORS,
-			  "Restarting adapter due to uCode error.\n");
-
-		if (iwl_is_associated(priv)) {
-			memcpy(&priv->recovery_rxon, &priv->active_rxon,
-			       sizeof(priv->recovery_rxon));
-			priv->error_recovering = 1;
-		}
-		if (priv->cfg->mod_params->restart_fw)
-			queue_work(priv->workqueue, &priv->restart);
-	}
-}
-
-static void iwl4965_error_recovery(struct iwl_priv *priv)
-{
-	unsigned long flags;
-
-	memcpy(&priv->staging_rxon, &priv->recovery_rxon,
-	       sizeof(priv->staging_rxon));
-	priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-	iwl4965_commit_rxon(priv);
-
-	iwl_rxon_add_station(priv, priv->bssid, 1);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	priv->assoc_id = le16_to_cpu(priv->staging_rxon.assoc_id);
-	priv->error_recovering = 0;
-	spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-static void iwl4965_irq_tasklet(struct iwl_priv *priv)
-{
-	u32 inta, handled = 0;
-	u32 inta_fh;
-	unsigned long flags;
-#ifdef CONFIG_IWLWIFI_DEBUG
-	u32 inta_mask;
-#endif
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	/* Ack/clear/reset pending uCode interrupts.
-	 * Note:  Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
-	 *  and will clear only when CSR_FH_INT_STATUS gets cleared. */
-	inta = iwl_read32(priv, CSR_INT);
-	iwl_write32(priv, CSR_INT, inta);
-
-	/* Ack/clear/reset pending flow-handler (DMA) interrupts.
-	 * Any new interrupts that happen after this, either while we're
-	 * in this tasklet, or later, will show up in next ISR/tasklet. */
-	inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
-	iwl_write32(priv, CSR_FH_INT_STATUS, inta_fh);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & IWL_DL_ISR) {
-		/* just for debug */
-		inta_mask = iwl_read32(priv, CSR_INT_MASK);
-		IWL_DEBUG_ISR("inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
-			      inta, inta_mask, inta_fh);
-	}
-#endif
-
-	/* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
-	 * atomic, make sure that inta covers all the interrupts that
-	 * we've discovered, even if FH interrupt came in just after
-	 * reading CSR_INT. */
-	if (inta_fh & CSR49_FH_INT_RX_MASK)
-		inta |= CSR_INT_BIT_FH_RX;
-	if (inta_fh & CSR49_FH_INT_TX_MASK)
-		inta |= CSR_INT_BIT_FH_TX;
-
-	/* Now service all interrupt bits discovered above. */
-	if (inta & CSR_INT_BIT_HW_ERR) {
-		IWL_ERROR("Microcode HW error detected.  Restarting.\n");
-
-		/* Tell the device to stop sending interrupts */
-		iwl4965_disable_interrupts(priv);
-
-		iwl4965_irq_handle_error(priv);
-
-		handled |= CSR_INT_BIT_HW_ERR;
-
-		spin_unlock_irqrestore(&priv->lock, flags);
-
-		return;
-	}
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
-		/* NIC fires this, but we don't use it, redundant with WAKEUP */
-		if (inta & CSR_INT_BIT_SCD)
-			IWL_DEBUG_ISR("Scheduler finished to transmit "
-				      "the frame/frames.\n");
-
-		/* Alive notification via Rx interrupt will do the real work */
-		if (inta & CSR_INT_BIT_ALIVE)
-			IWL_DEBUG_ISR("Alive interrupt\n");
-	}
-#endif
-	/* Safely ignore these bits for debug checks below */
-	inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE);
-
-	/* HW RF KILL switch toggled */
-	if (inta & CSR_INT_BIT_RF_KILL) {
-		int hw_rf_kill = 0;
-		if (!(iwl_read32(priv, CSR_GP_CNTRL) &
-				CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
-			hw_rf_kill = 1;
-
-		IWL_DEBUG(IWL_DL_RF_KILL, "RF_KILL bit toggled to %s.\n",
-				hw_rf_kill ? "disable radio":"enable radio");
-
-		/* driver only loads ucode once setting the interface up.
-		 * the driver as well won't allow loading if RFKILL is set
-		 * therefore no need to restart the driver from this handler
-		 */
-		if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status))
-			clear_bit(STATUS_RF_KILL_HW, &priv->status);
-
-		handled |= CSR_INT_BIT_RF_KILL;
-	}
-
-	/* Chip got too hot and stopped itself */
-	if (inta & CSR_INT_BIT_CT_KILL) {
-		IWL_ERROR("Microcode CT kill error detected.\n");
-		handled |= CSR_INT_BIT_CT_KILL;
-	}
-
-	/* Error detected by uCode */
-	if (inta & CSR_INT_BIT_SW_ERR) {
-		IWL_ERROR("Microcode SW error detected.  Restarting 0x%X.\n",
-			  inta);
-		iwl4965_irq_handle_error(priv);
-		handled |= CSR_INT_BIT_SW_ERR;
-	}
-
-	/* uCode wakes up after power-down sleep */
-	if (inta & CSR_INT_BIT_WAKEUP) {
-		IWL_DEBUG_ISR("Wakeup interrupt\n");
-		iwl_rx_queue_update_write_ptr(priv, &priv->rxq);
-		iwl_txq_update_write_ptr(priv, &priv->txq[0]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[1]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[2]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[3]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[4]);
-		iwl_txq_update_write_ptr(priv, &priv->txq[5]);
-
-		handled |= CSR_INT_BIT_WAKEUP;
-	}
-
-	/* All uCode command responses, including Tx command responses,
-	 * Rx "responses" (frame-received notification), and other
-	 * notifications from uCode come through here*/
-	if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
-		iwl_rx_handle(priv);
-		handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
-	}
-
-	if (inta & CSR_INT_BIT_FH_TX) {
-		IWL_DEBUG_ISR("Tx interrupt\n");
-		handled |= CSR_INT_BIT_FH_TX;
-		/* FH finished to write, send event */
-		priv->ucode_write_complete = 1;
-		wake_up_interruptible(&priv->wait_command_queue);
-	}
-
-	if (inta & ~handled)
-		IWL_ERROR("Unhandled INTA bits 0x%08x\n", inta & ~handled);
-
-	if (inta & ~CSR_INI_SET_MASK) {
-		IWL_WARNING("Disabled INTA bits 0x%08x were pending\n",
-			 inta & ~CSR_INI_SET_MASK);
-		IWL_WARNING("   with FH_INT = 0x%08x\n", inta_fh);
-	}
-
-	/* Re-enable all interrupts */
-	/* only Re-enable if diabled by irq */
-	if (test_bit(STATUS_INT_ENABLED, &priv->status))
-		iwl4965_enable_interrupts(priv);
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	if (priv->debug_level & (IWL_DL_ISR)) {
-		inta = iwl_read32(priv, CSR_INT);
-		inta_mask = iwl_read32(priv, CSR_INT_MASK);
-		inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
-		IWL_DEBUG_ISR("End inta 0x%08x, enabled 0x%08x, fh 0x%08x, "
-			"flags 0x%08lx\n", inta, inta_mask, inta_fh, flags);
-	}
-#endif
-	spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-static irqreturn_t iwl4965_isr(int irq, void *data)
-{
-	struct iwl_priv *priv = data;
-	u32 inta, inta_mask;
-	u32 inta_fh;
-	if (!priv)
-		return IRQ_NONE;
-
-	spin_lock(&priv->lock);
-
-	/* Disable (but don't clear!) interrupts here to avoid
-	 *    back-to-back ISRs and sporadic interrupts from our NIC.
-	 * If we have something to service, the tasklet will re-enable ints.
-	 * If we *don't* have something, we'll re-enable before leaving here. */
-	inta_mask = iwl_read32(priv, CSR_INT_MASK);  /* just for debug */
-	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
-	/* Discover which interrupts are active/pending */
-	inta = iwl_read32(priv, CSR_INT);
-	inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
-
-	/* Ignore interrupt if there's nothing in NIC to service.
-	 * This may be due to IRQ shared with another device,
-	 * or due to sporadic interrupts thrown from our NIC. */
-	if (!inta && !inta_fh) {
-		IWL_DEBUG_ISR("Ignore interrupt, inta == 0, inta_fh == 0\n");
-		goto none;
-	}
-
-	if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
-		/* Hardware disappeared. It might have already raised
-		 * an interrupt */
-		IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta);
-		goto unplugged;
-	}
-
-	IWL_DEBUG_ISR("ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
-		      inta, inta_mask, inta_fh);
-
-	inta &= ~CSR_INT_BIT_SCD;
-
-	/* iwl4965_irq_tasklet() will service interrupts and re-enable them */
-	if (likely(inta || inta_fh))
-		tasklet_schedule(&priv->irq_tasklet);
-
- unplugged:
-	spin_unlock(&priv->lock);
-	return IRQ_HANDLED;
-
- none:
-	/* re-enable interrupts here since we don't have anything to service. */
-	/* only Re-enable if diabled by irq */
-	if (test_bit(STATUS_INT_ENABLED, &priv->status))
-		iwl4965_enable_interrupts(priv);
-	spin_unlock(&priv->lock);
-	return IRQ_NONE;
-}
-
-/******************************************************************************
- *
- * uCode download functions
- *
- ******************************************************************************/
-
-static void iwl4965_dealloc_ucode_pci(struct iwl_priv *priv)
-{
-	iwl_free_fw_desc(priv->pci_dev, &priv->ucode_code);
-	iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data);
-	iwl_free_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
-	iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init);
-	iwl_free_fw_desc(priv->pci_dev, &priv->ucode_init_data);
-	iwl_free_fw_desc(priv->pci_dev, &priv->ucode_boot);
-}
-
-static void iwl4965_nic_start(struct iwl_priv *priv)
-{
-	/* Remove all resets to allow NIC to operate */
-	iwl_write32(priv, CSR_RESET, 0);
-}
-
-
-/**
- * iwl4965_read_ucode - Read uCode images from disk file.
- *
- * Copy into buffers for card to fetch via bus-mastering
- */
-static int iwl4965_read_ucode(struct iwl_priv *priv)
-{
-	struct iwl_ucode *ucode;
-	int ret;
-	const struct firmware *ucode_raw;
-	const char *name = priv->cfg->fw_name;
-	u8 *src;
-	size_t len;
-	u32 ver, inst_size, data_size, init_size, init_data_size, boot_size;
-
-	/* Ask kernel firmware_class module to get the boot firmware off disk.
-	 * request_firmware() is synchronous, file is in memory on return. */
-	ret = request_firmware(&ucode_raw, name, &priv->pci_dev->dev);
-	if (ret < 0) {
-		IWL_ERROR("%s firmware file req failed: Reason %d\n",
-					name, ret);
-		goto error;
-	}
-
-	IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n",
-		       name, ucode_raw->size);
-
-	/* Make sure that we got at least our header! */
-	if (ucode_raw->size < sizeof(*ucode)) {
-		IWL_ERROR("File size way too small!\n");
-		ret = -EINVAL;
-		goto err_release;
-	}
-
-	/* Data from ucode file:  header followed by uCode images */
-	ucode = (void *)ucode_raw->data;
-
-	ver = le32_to_cpu(ucode->ver);
-	inst_size = le32_to_cpu(ucode->inst_size);
-	data_size = le32_to_cpu(ucode->data_size);
-	init_size = le32_to_cpu(ucode->init_size);
-	init_data_size = le32_to_cpu(ucode->init_data_size);
-	boot_size = le32_to_cpu(ucode->boot_size);
-
-	IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver);
-	IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n",
-		       inst_size);
-	IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n",
-		       data_size);
-	IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n",
-		       init_size);
-	IWL_DEBUG_INFO("f/w package hdr init data size = %u\n",
-		       init_data_size);
-	IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n",
-		       boot_size);
-
-	/* Verify size of file vs. image size info in file's header */
-	if (ucode_raw->size < sizeof(*ucode) +
-		inst_size + data_size + init_size +
-		init_data_size + boot_size) {
-
-		IWL_DEBUG_INFO("uCode file size %d too small\n",
-			       (int)ucode_raw->size);
-		ret = -EINVAL;
-		goto err_release;
-	}
-
-	/* Verify that uCode images will fit in card's SRAM */
-	if (inst_size > priv->hw_params.max_inst_size) {
-		IWL_DEBUG_INFO("uCode instr len %d too large to fit in\n",
-			       inst_size);
-		ret = -EINVAL;
-		goto err_release;
-	}
-
-	if (data_size > priv->hw_params.max_data_size) {
-		IWL_DEBUG_INFO("uCode data len %d too large to fit in\n",
-				data_size);
-		ret = -EINVAL;
-		goto err_release;
-	}
-	if (init_size > priv->hw_params.max_inst_size) {
-		IWL_DEBUG_INFO
-		    ("uCode init instr len %d too large to fit in\n",
-		      init_size);
-		ret = -EINVAL;
-		goto err_release;
-	}
-	if (init_data_size > priv->hw_params.max_data_size) {
-		IWL_DEBUG_INFO
-		    ("uCode init data len %d too large to fit in\n",
-		      init_data_size);
-		ret = -EINVAL;
-		goto err_release;
-	}
-	if (boot_size > priv->hw_params.max_bsm_size) {
-		IWL_DEBUG_INFO
-		    ("uCode boot instr len %d too large to fit in\n",
-		      boot_size);
-		ret = -EINVAL;
-		goto err_release;
-	}
-
-	/* Allocate ucode buffers for card's bus-master loading ... */
-
-	/* Runtime instructions and 2 copies of data:
-	 * 1) unmodified from disk
-	 * 2) backup cache for save/restore during power-downs */
-	priv->ucode_code.len = inst_size;
-	iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_code);
-
-	priv->ucode_data.len = data_size;
-	iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data);
-
-	priv->ucode_data_backup.len = data_size;
-	iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
-
-	/* Initialization instructions and data */
-	if (init_size && init_data_size) {
-		priv->ucode_init.len = init_size;
-		iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init);
-
-		priv->ucode_init_data.len = init_data_size;
-		iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_init_data);
-
-		if (!priv->ucode_init.v_addr || !priv->ucode_init_data.v_addr)
-			goto err_pci_alloc;
-	}
-
-	/* Bootstrap (instructions only, no data) */
-	if (boot_size) {
-		priv->ucode_boot.len = boot_size;
-		iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_boot);
-
-		if (!priv->ucode_boot.v_addr)
-			goto err_pci_alloc;
-	}
-
-	/* Copy images into buffers for card's bus-master reads ... */
-
-	/* Runtime instructions (first block of data in file) */
-	src = &ucode->data[0];
-	len = priv->ucode_code.len;
-	IWL_DEBUG_INFO("Copying (but not loading) uCode instr len %Zd\n", len);
-	memcpy(priv->ucode_code.v_addr, src, len);
-	IWL_DEBUG_INFO("uCode instr buf vaddr = 0x%p, paddr = 0x%08x\n",
-		priv->ucode_code.v_addr, (u32)priv->ucode_code.p_addr);
-
-	/* Runtime data (2nd block)
-	 * NOTE:  Copy into backup buffer will be done in iwl4965_up()  */
-	src = &ucode->data[inst_size];
-	len = priv->ucode_data.len;
-	IWL_DEBUG_INFO("Copying (but not loading) uCode data len %Zd\n", len);
-	memcpy(priv->ucode_data.v_addr, src, len);
-	memcpy(priv->ucode_data_backup.v_addr, src, len);
-
-	/* Initialization instructions (3rd block) */
-	if (init_size) {
-		src = &ucode->data[inst_size + data_size];
-		len = priv->ucode_init.len;
-		IWL_DEBUG_INFO("Copying (but not loading) init instr len %Zd\n",
-				len);
-		memcpy(priv->ucode_init.v_addr, src, len);
-	}
-
-	/* Initialization data (4th block) */
-	if (init_data_size) {
-		src = &ucode->data[inst_size + data_size + init_size];
-		len = priv->ucode_init_data.len;
-		IWL_DEBUG_INFO("Copying (but not loading) init data len %Zd\n",
-			       len);
-		memcpy(priv->ucode_init_data.v_addr, src, len);
-	}
-
-	/* Bootstrap instructions (5th block) */
-	src = &ucode->data[inst_size + data_size + init_size + init_data_size];
-	len = priv->ucode_boot.len;
-	IWL_DEBUG_INFO("Copying (but not loading) boot instr len %Zd\n", len);
-	memcpy(priv->ucode_boot.v_addr, src, len);
-
-	/* We have our copies now, allow OS release its copies */
-	release_firmware(ucode_raw);
-	return 0;
-
- err_pci_alloc:
-	IWL_ERROR("failed to allocate pci memory\n");
-	ret = -ENOMEM;
-	iwl4965_dealloc_ucode_pci(priv);
-
- err_release:
-	release_firmware(ucode_raw);
-
- error:
-	return ret;
-}
-
-/**
- * iwl_alive_start - called after REPLY_ALIVE notification received
- *                   from protocol/runtime uCode (initialization uCode's
- *                   Alive gets handled by iwl_init_alive_start()).
- */
-static void iwl_alive_start(struct iwl_priv *priv)
-{
-	int ret = 0;
-
-	IWL_DEBUG_INFO("Runtime Alive received.\n");
-
-	if (priv->card_alive.is_valid != UCODE_VALID_OK) {
-		/* We had an error bringing up the hardware, so take it
-		 * all the way back down so we can try again */
-		IWL_DEBUG_INFO("Alive failed.\n");
-		goto restart;
-	}
-
-	/* Initialize uCode has loaded Runtime uCode ... verify inst image.
-	 * This is a paranoid check, because we would not have gotten the
-	 * "runtime" alive if code weren't properly loaded.  */
-	if (iwl_verify_ucode(priv)) {
-		/* Runtime instruction load was bad;
-		 * take it all the way back down so we can try again */
-		IWL_DEBUG_INFO("Bad runtime uCode load.\n");
-		goto restart;
-	}
-
-	iwl_clear_stations_table(priv);
-	ret = priv->cfg->ops->lib->alive_notify(priv);
-	if (ret) {
-		IWL_WARNING("Could not complete ALIVE transition [ntf]: %d\n",
-			    ret);
-		goto restart;
-	}
-
-	/* After the ALIVE response, we can send host commands to 4965 uCode */
-	set_bit(STATUS_ALIVE, &priv->status);
-
-	if (iwl_is_rfkill(priv))
-		return;
-
-	ieee80211_wake_queues(priv->hw);
-
-	priv->active_rate = priv->rates_mask;
-	priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
-
-	if (iwl_is_associated(priv)) {
-		struct iwl_rxon_cmd *active_rxon =
-				(struct iwl_rxon_cmd *)&priv->active_rxon;
-
-		memcpy(&priv->staging_rxon, &priv->active_rxon,
-		       sizeof(priv->staging_rxon));
-		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-	} else {
-		/* Initialize our rx_config data */
-		iwl4965_connection_init_rx_config(priv);
-		memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
-	}
-
-	/* Configure Bluetooth device coexistence support */
-	iwl4965_send_bt_config(priv);
-
-	iwl_reset_run_time_calib(priv);
-
-	/* Configure the adapter for unassociated operation */
-	iwl4965_commit_rxon(priv);
-
-	/* At this point, the NIC is initialized and operational */
-	iwl_rf_kill_ct_config(priv);
-
-	iwl_leds_register(priv);
-
-	IWL_DEBUG_INFO("ALIVE processing complete.\n");
-	set_bit(STATUS_READY, &priv->status);
-	wake_up_interruptible(&priv->wait_command_queue);
-
-	if (priv->error_recovering)
-		iwl4965_error_recovery(priv);
-
-	iwl_power_update_mode(priv, 1);
-	ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
-
-	if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
-		iwl4965_set_mode(priv, priv->iw_mode);
-
-	return;
-
- restart:
-	queue_work(priv->workqueue, &priv->restart);
-}
-
-static void iwl_cancel_deferred_work(struct iwl_priv *priv);
-
-static void __iwl4965_down(struct iwl_priv *priv)
-{
-	unsigned long flags;
-	int exit_pending = test_bit(STATUS_EXIT_PENDING, &priv->status);
-
-	IWL_DEBUG_INFO(DRV_NAME " is going down\n");
-
-	if (!exit_pending)
-		set_bit(STATUS_EXIT_PENDING, &priv->status);
-
-	iwl_leds_unregister(priv);
-
-	iwl_clear_stations_table(priv);
-
-	/* Unblock any waiting calls */
-	wake_up_interruptible_all(&priv->wait_command_queue);
-
-	/* Wipe out the EXIT_PENDING status bit if we are not actually
-	 * exiting the module */
-	if (!exit_pending)
-		clear_bit(STATUS_EXIT_PENDING, &priv->status);
-
-	/* stop and reset the on-board processor */
-	iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
-
-	/* tell the device to stop sending interrupts */
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl4965_disable_interrupts(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-	iwl_synchronize_irq(priv);
-
-	if (priv->mac80211_registered)
-		ieee80211_stop_queues(priv->hw);
-
-	/* If we have not previously called iwl4965_init() then
-	 * clear all bits but the RF Kill and SUSPEND bits and return */
-	if (!iwl_is_init(priv)) {
-		priv->status = test_bit(STATUS_RF_KILL_HW, &priv->status) <<
-					STATUS_RF_KILL_HW |
-			       test_bit(STATUS_RF_KILL_SW, &priv->status) <<
-					STATUS_RF_KILL_SW |
-			       test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
-					STATUS_GEO_CONFIGURED |
-			       test_bit(STATUS_IN_SUSPEND, &priv->status) <<
-					STATUS_IN_SUSPEND |
-			       test_bit(STATUS_EXIT_PENDING, &priv->status) <<
-					STATUS_EXIT_PENDING;
-		goto exit;
-	}
-
-	/* ...otherwise clear out all the status bits but the RF Kill and
-	 * SUSPEND bits and continue taking the NIC down. */
-	priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) <<
-				STATUS_RF_KILL_HW |
-			test_bit(STATUS_RF_KILL_SW, &priv->status) <<
-				STATUS_RF_KILL_SW |
-			test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
-				STATUS_GEO_CONFIGURED |
-			test_bit(STATUS_IN_SUSPEND, &priv->status) <<
-				STATUS_IN_SUSPEND |
-			test_bit(STATUS_FW_ERROR, &priv->status) <<
-				STATUS_FW_ERROR |
-		       test_bit(STATUS_EXIT_PENDING, &priv->status) <<
-				STATUS_EXIT_PENDING;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_clear_bit(priv, CSR_GP_CNTRL,
-			 CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	iwl_txq_ctx_stop(priv);
-	iwl_rxq_stop(priv);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	if (!iwl_grab_nic_access(priv)) {
-		iwl_write_prph(priv, APMG_CLK_DIS_REG,
-					 APMG_CLK_VAL_DMA_CLK_RQT);
-		iwl_release_nic_access(priv);
-	}
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	udelay(5);
-
-	/* FIXME: apm_ops.suspend(priv) */
-	priv->cfg->ops->lib->apm_ops.reset(priv);
-	priv->cfg->ops->lib->free_shared_mem(priv);
-
- exit:
-	memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
-
-	if (priv->ibss_beacon)
-		dev_kfree_skb(priv->ibss_beacon);
-	priv->ibss_beacon = NULL;
-
-	/* clear out any free frames */
-	iwl_clear_free_frames(priv);
-}
-
-static void iwl4965_down(struct iwl_priv *priv)
-{
-	mutex_lock(&priv->mutex);
-	__iwl4965_down(priv);
-	mutex_unlock(&priv->mutex);
-
-	iwl_cancel_deferred_work(priv);
-}
-
-#define MAX_HW_RESTARTS 5
-
-static int __iwl4965_up(struct iwl_priv *priv)
-{
-	int i;
-	int ret;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
-		IWL_WARNING("Exit pending; will not bring the NIC up\n");
-		return -EIO;
-	}
-
-	if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) {
-		IWL_ERROR("ucode not available for device bringup\n");
-		return -EIO;
-	}
-
-	/* If platform's RF_KILL switch is NOT set to KILL */
-	if (iwl_read32(priv, CSR_GP_CNTRL) &
-				CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
-		clear_bit(STATUS_RF_KILL_HW, &priv->status);
-	else
-		set_bit(STATUS_RF_KILL_HW, &priv->status);
-
-	if (!test_bit(STATUS_IN_SUSPEND, &priv->status) &&
-	    iwl_is_rfkill(priv)) {
-		IWL_WARNING("Radio disabled by %s RF Kill switch\n",
-		    test_bit(STATUS_RF_KILL_HW, &priv->status) ? "HW" : "SW");
-		return -ENODEV;
-	}
-
-	iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
-
-	ret = priv->cfg->ops->lib->alloc_shared_mem(priv);
-	if (ret) {
-		IWL_ERROR("Unable to allocate shared memory\n");
-		return ret;
-	}
-
-	ret = iwl_hw_nic_init(priv);
-	if (ret) {
-		IWL_ERROR("Unable to init nic\n");
-		return ret;
-	}
-
-	/* make sure rfkill handshake bits are cleared */
-	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
-	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
-		    CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
-
-	/* clear (again), then enable host interrupts */
-	iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
-	iwl4965_enable_interrupts(priv);
-
-	/* really make sure rfkill handshake bits are cleared */
-	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
-	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
-
-	/* Copy original ucode data image from disk into backup cache.
-	 * This will be used to initialize the on-board processor's
-	 * data SRAM for a clean start when the runtime program first loads. */
-	memcpy(priv->ucode_data_backup.v_addr, priv->ucode_data.v_addr,
-	       priv->ucode_data.len);
-
-	/* We return success when we resume from suspend and rf_kill is on. */
-	if (test_bit(STATUS_RF_KILL_HW, &priv->status) ||
-	    test_bit(STATUS_RF_KILL_SW, &priv->status))
-		return 0;
-
-	for (i = 0; i < MAX_HW_RESTARTS; i++) {
-
-		iwl_clear_stations_table(priv);
-
-		/* load bootstrap state machine,
-		 * load bootstrap program into processor's memory,
-		 * prepare to load the "initialize" uCode */
-		ret = priv->cfg->ops->lib->load_ucode(priv);
-
-		if (ret) {
-			IWL_ERROR("Unable to set up bootstrap uCode: %d\n", ret);
-			continue;
-		}
-
-		/* Clear out the uCode error bit if it is set */
-		clear_bit(STATUS_FW_ERROR, &priv->status);
-
-		/* start card; "initialize" will load runtime ucode */
-		iwl4965_nic_start(priv);
-
-		IWL_DEBUG_INFO(DRV_NAME " is coming up\n");
-
-		return 0;
-	}
-
-	set_bit(STATUS_EXIT_PENDING, &priv->status);
-	__iwl4965_down(priv);
-	clear_bit(STATUS_EXIT_PENDING, &priv->status);
-
-	/* tried to restart and config the device for as long as our
-	 * patience could withstand */
-	IWL_ERROR("Unable to initialize device after %d attempts.\n", i);
-	return -EIO;
-}
-
-
-/*****************************************************************************
- *
- * Workqueue callbacks
- *
- *****************************************************************************/
-
-static void iwl_bg_init_alive_start(struct work_struct *data)
-{
-	struct iwl_priv *priv =
-	    container_of(data, struct iwl_priv, init_alive_start.work);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	mutex_lock(&priv->mutex);
-	priv->cfg->ops->lib->init_alive_start(priv);
-	mutex_unlock(&priv->mutex);
-}
-
-static void iwl_bg_alive_start(struct work_struct *data)
-{
-	struct iwl_priv *priv =
-	    container_of(data, struct iwl_priv, alive_start.work);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	mutex_lock(&priv->mutex);
-	iwl_alive_start(priv);
-	mutex_unlock(&priv->mutex);
-}
-
-static void iwl4965_bg_rf_kill(struct work_struct *work)
-{
-	struct iwl_priv *priv = container_of(work, struct iwl_priv, rf_kill);
-
-	wake_up_interruptible(&priv->wait_command_queue);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	mutex_lock(&priv->mutex);
-
-	if (!iwl_is_rfkill(priv)) {
-		IWL_DEBUG(IWL_DL_RF_KILL,
-			  "HW and/or SW RF Kill no longer active, restarting "
-			  "device\n");
-		if (!test_bit(STATUS_EXIT_PENDING, &priv->status))
-			queue_work(priv->workqueue, &priv->restart);
-	} else {
-		/* make sure mac80211 stop sending Tx frame */
-		if (priv->mac80211_registered)
-			ieee80211_stop_queues(priv->hw);
-
-		if (!test_bit(STATUS_RF_KILL_HW, &priv->status))
-			IWL_DEBUG_RF_KILL("Can not turn radio back on - "
-					  "disabled by SW switch\n");
-		else
-			IWL_WARNING("Radio Frequency Kill Switch is On:\n"
-				    "Kill switch must be turned off for "
-				    "wireless networking to work.\n");
-	}
-	mutex_unlock(&priv->mutex);
-	iwl_rfkill_set_hw_state(priv);
-}
-
-static void iwl4965_bg_set_monitor(struct work_struct *work)
-{
-	struct iwl_priv *priv = container_of(work,
-				struct iwl_priv, set_monitor);
-	int ret;
-
-	IWL_DEBUG(IWL_DL_STATE, "setting monitor mode\n");
-
-	mutex_lock(&priv->mutex);
-
-	ret = iwl4965_set_mode(priv, IEEE80211_IF_TYPE_MNTR);
-
-	if (ret) {
-		if (ret == -EAGAIN)
-			IWL_DEBUG(IWL_DL_STATE, "leave - not ready\n");
-		else
-			IWL_ERROR("iwl4965_set_mode() failed ret = %d\n", ret);
-	}
-
-	mutex_unlock(&priv->mutex);
-}
-
-static void iwl_bg_run_time_calib_work(struct work_struct *work)
-{
-	struct iwl_priv *priv = container_of(work, struct iwl_priv,
-			run_time_calib_work);
-
-	mutex_lock(&priv->mutex);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
-	    test_bit(STATUS_SCANNING, &priv->status)) {
-		mutex_unlock(&priv->mutex);
-		return;
-	}
-
-	if (priv->start_calib) {
-		iwl_chain_noise_calibration(priv, &priv->statistics);
-
-		iwl_sensitivity_calibration(priv, &priv->statistics);
-	}
-
-	mutex_unlock(&priv->mutex);
-	return;
-}
-
-static void iwl4965_bg_up(struct work_struct *data)
-{
-	struct iwl_priv *priv = container_of(data, struct iwl_priv, up);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	mutex_lock(&priv->mutex);
-	__iwl4965_up(priv);
-	mutex_unlock(&priv->mutex);
-	iwl_rfkill_set_hw_state(priv);
-}
-
-static void iwl4965_bg_restart(struct work_struct *data)
-{
-	struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	iwl4965_down(priv);
-	queue_work(priv->workqueue, &priv->up);
-}
-
-static void iwl4965_bg_rx_replenish(struct work_struct *data)
-{
-	struct iwl_priv *priv =
-	    container_of(data, struct iwl_priv, rx_replenish);
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	mutex_lock(&priv->mutex);
-	iwl_rx_replenish(priv);
-	mutex_unlock(&priv->mutex);
-}
-
-#define IWL_DELAY_NEXT_SCAN (HZ*2)
-
-static void iwl4965_post_associate(struct iwl_priv *priv)
-{
-	struct ieee80211_conf *conf = NULL;
-	int ret = 0;
-	DECLARE_MAC_BUF(mac);
-	unsigned long flags;
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
-		IWL_ERROR("%s Should not be called in AP mode\n", __FUNCTION__);
-		return;
-	}
-
-	IWL_DEBUG_ASSOC("Associated as %d to: %s\n",
-			priv->assoc_id,
-			print_mac(mac, priv->active_rxon.bssid_addr));
-
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-
-	if (!priv->vif || !priv->is_open)
-		return;
-
-	iwl_scan_cancel_timeout(priv, 200);
-
-	conf = ieee80211_get_hw_conf(priv->hw);
-
-	priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-	iwl4965_commit_rxon(priv);
-
-	memset(&priv->rxon_timing, 0, sizeof(struct iwl4965_rxon_time_cmd));
-	iwl4965_setup_rxon_timing(priv);
-	ret = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
-			      sizeof(priv->rxon_timing), &priv->rxon_timing);
-	if (ret)
-		IWL_WARNING("REPLY_RXON_TIMING failed - "
-			    "Attempting to continue.\n");
-
-	priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
-
-	if (priv->current_ht_config.is_ht)
-		iwl_set_rxon_ht(priv, &priv->current_ht_config);
-
-	iwl_set_rxon_chain(priv);
-	priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id);
-
-	IWL_DEBUG_ASSOC("assoc id %d beacon interval %d\n",
-			priv->assoc_id, priv->beacon_int);
-
-	if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
-		priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
-	else
-		priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
-
-	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-		if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
-			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
-		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
-		if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS)
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
-	}
-
-	iwl4965_commit_rxon(priv);
-
-	switch (priv->iw_mode) {
-	case IEEE80211_IF_TYPE_STA:
-		break;
-
-	case IEEE80211_IF_TYPE_IBSS:
-
-		/* assume default assoc id */
-		priv->assoc_id = 1;
-
-		iwl_rxon_add_station(priv, priv->bssid, 0);
-		iwl4965_send_beacon_cmd(priv);
-
-		break;
-
-	default:
-		IWL_ERROR("%s Should not be called in %d mode\n",
-				__FUNCTION__, priv->iw_mode);
-		break;
-	}
-
-	/* Enable Rx differential gain and sensitivity calibrations */
-	iwl_chain_noise_reset(priv);
-	priv->start_calib = 1;
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS)
-		priv->assoc_station_added = 1;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_activate_qos(priv, 0);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	iwl_power_update_mode(priv, 0);
-	/* we have just associated, don't start scan too early */
-	priv->next_scan_jiffies = jiffies + IWL_DELAY_NEXT_SCAN;
-}
-
-static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
-
-static void iwl_bg_scan_completed(struct work_struct *work)
-{
-	struct iwl_priv *priv =
-	    container_of(work, struct iwl_priv, scan_completed);
-
-	IWL_DEBUG_SCAN("SCAN complete scan\n");
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	if (test_bit(STATUS_CONF_PENDING, &priv->status))
-		iwl4965_mac_config(priv->hw, ieee80211_get_hw_conf(priv->hw));
-
-	ieee80211_scan_completed(priv->hw);
-
-	/* Since setting the TXPOWER may have been deferred while
-	 * performing the scan, fire one off */
-	mutex_lock(&priv->mutex);
-	iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
-	mutex_unlock(&priv->mutex);
-}
-
-/*****************************************************************************
- *
- * mac80211 entry point functions
- *
- *****************************************************************************/
-
-#define UCODE_READY_TIMEOUT	(4 * HZ)
-
-static int iwl4965_mac_start(struct ieee80211_hw *hw)
-{
-	struct iwl_priv *priv = hw->priv;
-	int ret;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	if (pci_enable_device(priv->pci_dev)) {
-		IWL_ERROR("Fail to pci_enable_device\n");
-		return -ENODEV;
-	}
-	pci_restore_state(priv->pci_dev);
-	pci_enable_msi(priv->pci_dev);
-
-	ret = request_irq(priv->pci_dev->irq, iwl4965_isr, IRQF_SHARED,
-			  DRV_NAME, priv);
-	if (ret) {
-		IWL_ERROR("Error allocating IRQ %d\n", priv->pci_dev->irq);
-		goto out_disable_msi;
-	}
-
-	/* we should be verifying the device is ready to be opened */
-	mutex_lock(&priv->mutex);
-
-	memset(&priv->staging_rxon, 0, sizeof(struct iwl_rxon_cmd));
-	/* fetch ucode file from disk, alloc and copy to bus-master buffers ...
-	 * ucode filename and max sizes are card-specific. */
-
-	if (!priv->ucode_code.len) {
-		ret = iwl4965_read_ucode(priv);
-		if (ret) {
-			IWL_ERROR("Could not read microcode: %d\n", ret);
-			mutex_unlock(&priv->mutex);
-			goto out_release_irq;
-		}
-	}
-
-	ret = __iwl4965_up(priv);
-
-	mutex_unlock(&priv->mutex);
-
-	iwl_rfkill_set_hw_state(priv);
-
-	if (ret)
-		goto out_release_irq;
-
-	IWL_DEBUG_INFO("Start UP work done.\n");
-
-	if (test_bit(STATUS_IN_SUSPEND, &priv->status))
-		return 0;
-
-	/* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from
-	 * mac80211 will not be run successfully. */
-	ret = wait_event_interruptible_timeout(priv->wait_command_queue,
-			test_bit(STATUS_READY, &priv->status),
-			UCODE_READY_TIMEOUT);
-	if (!ret) {
-		if (!test_bit(STATUS_READY, &priv->status)) {
-			IWL_ERROR("START_ALIVE timeout after %dms.\n",
-				jiffies_to_msecs(UCODE_READY_TIMEOUT));
-			ret = -ETIMEDOUT;
-			goto out_release_irq;
-		}
-	}
-
-	priv->is_open = 1;
-	IWL_DEBUG_MAC80211("leave\n");
-	return 0;
-
-out_release_irq:
-	free_irq(priv->pci_dev->irq, priv);
-out_disable_msi:
-	pci_disable_msi(priv->pci_dev);
-	pci_disable_device(priv->pci_dev);
-	priv->is_open = 0;
-	IWL_DEBUG_MAC80211("leave - failed\n");
-	return ret;
-}
-
-static void iwl4965_mac_stop(struct ieee80211_hw *hw)
-{
-	struct iwl_priv *priv = hw->priv;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	if (!priv->is_open) {
-		IWL_DEBUG_MAC80211("leave - skip\n");
-		return;
-	}
-
-	priv->is_open = 0;
-
-	if (iwl_is_ready_rf(priv)) {
-		/* stop mac, cancel any scan request and clear
-		 * RXON_FILTER_ASSOC_MSK BIT
-		 */
-		mutex_lock(&priv->mutex);
-		iwl_scan_cancel_timeout(priv, 100);
-		mutex_unlock(&priv->mutex);
-	}
-
-	iwl4965_down(priv);
-
-	flush_workqueue(priv->workqueue);
-	free_irq(priv->pci_dev->irq, priv);
-	pci_disable_msi(priv->pci_dev);
-	pci_save_state(priv->pci_dev);
-	pci_disable_device(priv->pci_dev);
-
-	IWL_DEBUG_MAC80211("leave\n");
-}
-
-static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
-	struct iwl_priv *priv = hw->priv;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
-		IWL_DEBUG_MAC80211("leave - monitor\n");
-		dev_kfree_skb_any(skb);
-		return 0;
-	}
-
-	IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
-		     ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
-
-	if (iwl_tx_skb(priv, skb))
-		dev_kfree_skb_any(skb);
-
-	IWL_DEBUG_MAC80211("leave\n");
-	return 0;
-}
-
-static int iwl4965_mac_add_interface(struct ieee80211_hw *hw,
-				 struct ieee80211_if_init_conf *conf)
-{
-	struct iwl_priv *priv = hw->priv;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac);
-
-	IWL_DEBUG_MAC80211("enter: type %d\n", conf->type);
-
-	if (priv->vif) {
-		IWL_DEBUG_MAC80211("leave - vif != NULL\n");
-		return -EOPNOTSUPP;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-	priv->vif = conf->vif;
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	mutex_lock(&priv->mutex);
-
-	if (conf->mac_addr) {
-		IWL_DEBUG_MAC80211("Set %s\n", print_mac(mac, conf->mac_addr));
-		memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
-	}
-
-	if (iwl4965_set_mode(priv, conf->type) == -EAGAIN)
-		/* we are not ready, will run again when ready */
-		set_bit(STATUS_MODE_PENDING, &priv->status);
-
-	mutex_unlock(&priv->mutex);
-
-	IWL_DEBUG_MAC80211("leave\n");
-	return 0;
-}
-
-/**
- * iwl4965_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.
- */
-static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
-{
-	struct iwl_priv *priv = hw->priv;
-	const struct iwl_channel_info *ch_info;
-	unsigned long flags;
-	int ret = 0;
-	u16 channel;
-
-	mutex_lock(&priv->mutex);
-	IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel->hw_value);
-
-	priv->add_radiotap = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
-
-	if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) {
-		IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
-		goto out;
-	}
-
-	if (!conf->radio_enabled)
-		iwl_radio_kill_sw_disable_radio(priv);
-
-	if (!iwl_is_ready(priv)) {
-		IWL_DEBUG_MAC80211("leave - not ready\n");
-		ret = -EIO;
-		goto out;
-	}
-
-	if (unlikely(!priv->cfg->mod_params->disable_hw_scan &&
-		     test_bit(STATUS_SCANNING, &priv->status))) {
-		IWL_DEBUG_MAC80211("leave - scanning\n");
-		set_bit(STATUS_CONF_PENDING, &priv->status);
-		mutex_unlock(&priv->mutex);
-		return 0;
-	}
-
-	channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
-	ch_info = iwl_get_channel_info(priv, conf->channel->band, channel);
-	if (!is_channel_valid(ch_info)) {
-		IWL_DEBUG_MAC80211("leave - invalid channel\n");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS &&
-	    !is_channel_ibss(ch_info)) {
-		IWL_ERROR("channel %d in band %d not IBSS channel\n",
-			conf->channel->hw_value, conf->channel->band);
-		ret = -EINVAL;
-		goto out;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-
-	/* if we are switching from ht to 2.4 clear flags
-	 * from any ht related info since 2.4 does not
-	 * support ht */
-	if ((le16_to_cpu(priv->staging_rxon.channel) != channel)
-#ifdef IEEE80211_CONF_CHANNEL_SWITCH
-	    && !(conf->flags & IEEE80211_CONF_CHANNEL_SWITCH)
-#endif
-	)
-		priv->staging_rxon.flags = 0;
-
-	iwl_set_rxon_channel(priv, conf->channel->band, channel);
-
-	iwl_set_flags_for_band(priv, conf->channel->band);
-
-	/* The list of supported rates and rate mask can be different
-	 * for each band; since the band may have changed, reset
-	 * the rate mask to what mac80211 lists */
-	iwl4965_set_rate(priv);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-#ifdef IEEE80211_CONF_CHANNEL_SWITCH
-	if (conf->flags & IEEE80211_CONF_CHANNEL_SWITCH) {
-		iwl4965_hw_channel_switch(priv, conf->channel);
-		goto out;
-	}
-#endif
-
-	if (!conf->radio_enabled) {
-		IWL_DEBUG_MAC80211("leave - radio disabled\n");
-		goto out;
-	}
-
-	if (iwl_is_rfkill(priv)) {
-		IWL_DEBUG_MAC80211("leave - RF kill\n");
-		ret = -EIO;
-		goto out;
-	}
-
-	IWL_DEBUG_MAC80211("TX Power old=%d new=%d\n",
-			   priv->tx_power_user_lmt, conf->power_level);
-
-	iwl_set_tx_power(priv, conf->power_level, false);
-
-	iwl4965_set_rate(priv);
-
-	if (memcmp(&priv->active_rxon,
-		   &priv->staging_rxon, sizeof(priv->staging_rxon)))
-		iwl4965_commit_rxon(priv);
-	else
-		IWL_DEBUG_INFO("No re-sending same RXON configuration.\n");
-
-	IWL_DEBUG_MAC80211("leave\n");
-
-out:
-	clear_bit(STATUS_CONF_PENDING, &priv->status);
-	mutex_unlock(&priv->mutex);
-	return ret;
-}
-
-static void iwl4965_config_ap(struct iwl_priv *priv)
-{
-	int ret = 0;
-	unsigned long flags;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	/* The following should be done only at AP bring up */
-	if (!(iwl_is_associated(priv))) {
-
-		/* RXON - unassoc (to set timing command) */
-		priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-		iwl4965_commit_rxon(priv);
-
-		/* RXON Timing */
-		memset(&priv->rxon_timing, 0, sizeof(struct iwl4965_rxon_time_cmd));
-		iwl4965_setup_rxon_timing(priv);
-		ret = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
-				sizeof(priv->rxon_timing), &priv->rxon_timing);
-		if (ret)
-			IWL_WARNING("REPLY_RXON_TIMING failed - "
-					"Attempting to continue.\n");
-
-		iwl_set_rxon_chain(priv);
-
-		/* FIXME: what should be the assoc_id for AP? */
-		priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id);
-		if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
-			priv->staging_rxon.flags |=
-				RXON_FLG_SHORT_PREAMBLE_MSK;
-		else
-			priv->staging_rxon.flags &=
-				~RXON_FLG_SHORT_PREAMBLE_MSK;
-
-		if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
-			if (priv->assoc_capability &
-				WLAN_CAPABILITY_SHORT_SLOT_TIME)
-				priv->staging_rxon.flags |=
-					RXON_FLG_SHORT_SLOT_MSK;
-			else
-				priv->staging_rxon.flags &=
-					~RXON_FLG_SHORT_SLOT_MSK;
-
-			if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS)
-				priv->staging_rxon.flags &=
-					~RXON_FLG_SHORT_SLOT_MSK;
-		}
-		/* restore RXON assoc */
-		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
-		iwl4965_commit_rxon(priv);
-		spin_lock_irqsave(&priv->lock, flags);
-		iwl_activate_qos(priv, 1);
-		spin_unlock_irqrestore(&priv->lock, flags);
-		iwl_rxon_add_station(priv, iwl_bcast_addr, 0);
-	}
-	iwl4965_send_beacon_cmd(priv);
-
-	/* FIXME - we need to add code here to detect a totally new
-	 * configuration, reset the AP, unassoc, rxon timing, assoc,
-	 * clear sta table, add BCAST sta... */
-}
-
-/* temporary */
-static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb);
-
-static int iwl4965_mac_config_interface(struct ieee80211_hw *hw,
-					struct ieee80211_vif *vif,
-				    struct ieee80211_if_conf *conf)
-{
-	struct iwl_priv *priv = hw->priv;
-	DECLARE_MAC_BUF(mac);
-	unsigned long flags;
-	int rc;
-
-	if (conf == NULL)
-		return -EIO;
-
-	if (priv->vif != vif) {
-		IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
-		return 0;
-	}
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS &&
-	    conf->changed & IEEE80211_IFCC_BEACON) {
-		struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
-		if (!beacon)
-			return -ENOMEM;
-		rc = iwl4965_mac_beacon_update(hw, beacon);
-		if (rc)
-			return rc;
-	}
-
-	if ((priv->iw_mode == IEEE80211_IF_TYPE_AP) &&
-	    (!conf->ssid_len)) {
-		IWL_DEBUG_MAC80211
-		    ("Leaving in AP mode because HostAPD is not ready.\n");
-		return 0;
-	}
-
-	if (!iwl_is_alive(priv))
-		return -EAGAIN;
-
-	mutex_lock(&priv->mutex);
-
-	if (conf->bssid)
-		IWL_DEBUG_MAC80211("bssid: %s\n",
-				   print_mac(mac, conf->bssid));
-
-/*
- * very dubious code was here; the probe filtering flag is never set:
- *
-	if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
-	    !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
- */
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
-		if (!conf->bssid) {
-			conf->bssid = priv->mac_addr;
-			memcpy(priv->bssid, priv->mac_addr, ETH_ALEN);
-			IWL_DEBUG_MAC80211("bssid was set to: %s\n",
-					   print_mac(mac, conf->bssid));
-		}
-		if (priv->ibss_beacon)
-			dev_kfree_skb(priv->ibss_beacon);
-
-		priv->ibss_beacon = ieee80211_beacon_get(hw, vif);
-	}
-
-	if (iwl_is_rfkill(priv))
-		goto done;
-
-	if (conf->bssid && !is_zero_ether_addr(conf->bssid) &&
-	    !is_multicast_ether_addr(conf->bssid)) {
-		/* If there is currently a HW scan going on in the background
-		 * then we need to cancel it else the RXON below will fail. */
-		if (iwl_scan_cancel_timeout(priv, 100)) {
-			IWL_WARNING("Aborted scan still in progress "
-				    "after 100ms\n");
-			IWL_DEBUG_MAC80211("leaving - scan abort failed.\n");
-			mutex_unlock(&priv->mutex);
-			return -EAGAIN;
-		}
-		memcpy(priv->staging_rxon.bssid_addr, conf->bssid, ETH_ALEN);
-
-		/* TODO: Audit driver for usage of these members and see
-		 * if mac80211 deprecates them (priv->bssid looks like it
-		 * shouldn't be there, but I haven't scanned the IBSS code
-		 * to verify) - jpk */
-		memcpy(priv->bssid, conf->bssid, ETH_ALEN);
-
-		if (priv->iw_mode == IEEE80211_IF_TYPE_AP)
-			iwl4965_config_ap(priv);
-		else {
-			rc = iwl4965_commit_rxon(priv);
-			if ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && rc)
-				iwl_rxon_add_station(
-					priv, priv->active_rxon.bssid_addr, 1);
-		}
-
-	} else {
-		iwl_scan_cancel_timeout(priv, 100);
-		priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-		iwl4965_commit_rxon(priv);
-	}
-
- done:
-	spin_lock_irqsave(&priv->lock, flags);
-	if (!conf->ssid_len)
-		memset(priv->essid, 0, IW_ESSID_MAX_SIZE);
-	else
-		memcpy(priv->essid, conf->ssid, conf->ssid_len);
-
-	priv->essid_len = conf->ssid_len;
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	IWL_DEBUG_MAC80211("leave\n");
-	mutex_unlock(&priv->mutex);
-
-	return 0;
-}
-
-static void iwl4965_configure_filter(struct ieee80211_hw *hw,
-				 unsigned int changed_flags,
-				 unsigned int *total_flags,
-				 int mc_count, struct dev_addr_list *mc_list)
-{
-	struct iwl_priv *priv = hw->priv;
-
-	if (changed_flags & (*total_flags) & FIF_OTHER_BSS) {
-		IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n",
-				   IEEE80211_IF_TYPE_MNTR,
-				   changed_flags, *total_flags);
-		/* queue work 'cuz mac80211 is holding a lock which
-		 * prevents us from issuing (synchronous) f/w cmds */
-		queue_work(priv->workqueue, &priv->set_monitor);
-	}
-	*total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI |
-			FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
-}
-
-static void iwl4965_mac_remove_interface(struct ieee80211_hw *hw,
-				     struct ieee80211_if_init_conf *conf)
-{
-	struct iwl_priv *priv = hw->priv;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	mutex_lock(&priv->mutex);
-
-	if (iwl_is_ready_rf(priv)) {
-		iwl_scan_cancel_timeout(priv, 100);
-		priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-		iwl4965_commit_rxon(priv);
-	}
-	if (priv->vif == conf->vif) {
-		priv->vif = NULL;
-		memset(priv->bssid, 0, ETH_ALEN);
-		memset(priv->essid, 0, IW_ESSID_MAX_SIZE);
-		priv->essid_len = 0;
-	}
-	mutex_unlock(&priv->mutex);
-
-	IWL_DEBUG_MAC80211("leave\n");
-
-}
-
-#define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
-static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
-				     struct ieee80211_vif *vif,
-				     struct ieee80211_bss_conf *bss_conf,
-				     u32 changes)
-{
-	struct iwl_priv *priv = hw->priv;
-
-	IWL_DEBUG_MAC80211("changes = 0x%X\n", changes);
-
-	if (changes & BSS_CHANGED_ERP_PREAMBLE) {
-		IWL_DEBUG_MAC80211("ERP_PREAMBLE %d\n",
-				   bss_conf->use_short_preamble);
-		if (bss_conf->use_short_preamble)
-			priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
-		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
-	}
-
-	if (changes & BSS_CHANGED_ERP_CTS_PROT) {
-		IWL_DEBUG_MAC80211("ERP_CTS %d\n", bss_conf->use_cts_prot);
-		if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ))
-			priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK;
-		else
-			priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
-	}
-
-	if (changes & BSS_CHANGED_HT) {
-		IWL_DEBUG_MAC80211("HT %d\n", bss_conf->assoc_ht);
-		iwl4965_ht_conf(priv, bss_conf);
-		iwl_set_rxon_chain(priv);
-	}
-
-	if (changes & BSS_CHANGED_ASSOC) {
-		IWL_DEBUG_MAC80211("ASSOC %d\n", bss_conf->assoc);
-		/* This should never happen as this function should
-		 * never be called from interrupt context. */
-		if (WARN_ON_ONCE(in_interrupt()))
-			return;
-		if (bss_conf->assoc) {
-			priv->assoc_id = bss_conf->aid;
-			priv->beacon_int = bss_conf->beacon_int;
-			priv->power_data.dtim_period = bss_conf->dtim_period;
-			priv->timestamp = bss_conf->timestamp;
-			priv->assoc_capability = bss_conf->assoc_capability;
-			priv->next_scan_jiffies = jiffies +
-					IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
-			mutex_lock(&priv->mutex);
-			iwl4965_post_associate(priv);
-			mutex_unlock(&priv->mutex);
-		} else {
-			priv->assoc_id = 0;
-			IWL_DEBUG_MAC80211("DISASSOC %d\n", bss_conf->assoc);
-		}
-	} else if (changes && iwl_is_associated(priv) && priv->assoc_id) {
-			IWL_DEBUG_MAC80211("Associated Changes %d\n", changes);
-			iwl_send_rxon_assoc(priv);
-	}
-
-}
-
-static int iwl4965_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
-{
-	int rc = 0;
-	unsigned long flags;
-	struct iwl_priv *priv = hw->priv;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	mutex_lock(&priv->mutex);
-	spin_lock_irqsave(&priv->lock, flags);
-
-	if (!iwl_is_ready_rf(priv)) {
-		rc = -EIO;
-		IWL_DEBUG_MAC80211("leave - not ready or exit pending\n");
-		goto out_unlock;
-	}
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {	/* APs don't scan */
-		rc = -EIO;
-		IWL_ERROR("ERROR: APs don't scan\n");
-		goto out_unlock;
-	}
-
-	/* we don't schedule scan within next_scan_jiffies period */
-	if (priv->next_scan_jiffies &&
-			time_after(priv->next_scan_jiffies, jiffies)) {
-		rc = -EAGAIN;
-		goto out_unlock;
-	}
-	/* if we just finished scan ask for delay */
-	if (priv->last_scan_jiffies && time_after(priv->last_scan_jiffies +
-				IWL_DELAY_NEXT_SCAN, jiffies)) {
-		rc = -EAGAIN;
-		goto out_unlock;
-	}
-	if (len) {
-		IWL_DEBUG_SCAN("direct scan for %s [%d]\n ",
-			       iwl_escape_essid(ssid, len), (int)len);
-
-		priv->one_direct_scan = 1;
-		priv->direct_ssid_len = (u8)
-		    min((u8) len, (u8) IW_ESSID_MAX_SIZE);
-		memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len);
-	} else
-		priv->one_direct_scan = 0;
-
-	rc = iwl_scan_initiate(priv);
-
-	IWL_DEBUG_MAC80211("leave\n");
-
-out_unlock:
-	spin_unlock_irqrestore(&priv->lock, flags);
-	mutex_unlock(&priv->mutex);
-
-	return rc;
-}
-
-static void iwl4965_mac_update_tkip_key(struct ieee80211_hw *hw,
-			struct ieee80211_key_conf *keyconf, const u8 *addr,
-			u32 iv32, u16 *phase1key)
-{
-	struct iwl_priv *priv = hw->priv;
-	u8 sta_id = IWL_INVALID_STATION;
-	unsigned long flags;
-	__le16 key_flags = 0;
-	int i;
-	DECLARE_MAC_BUF(mac);
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	sta_id = iwl_find_station(priv, addr);
-	if (sta_id == IWL_INVALID_STATION) {
-		IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
-				   print_mac(mac, addr));
-		return;
-	}
-
-	iwl_scan_cancel_timeout(priv, 100);
-
-	key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
-	key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
-	key_flags &= ~STA_KEY_FLG_INVALID;
-
-	if (sta_id == priv->hw_params.bcast_sta_id)
-		key_flags |= STA_KEY_MULTICAST_MSK;
-
-	spin_lock_irqsave(&priv->sta_lock, flags);
-
-	priv->stations[sta_id].sta.key.key_flags = key_flags;
-	priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32;
-
-	for (i = 0; i < 5; i++)
-		priv->stations[sta_id].sta.key.tkip_rx_ttak[i] =
-			cpu_to_le16(phase1key[i]);
-
-	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
-	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
-
-	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
-
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
-
-	IWL_DEBUG_MAC80211("leave\n");
-}
-
-static int iwl4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
-			   const u8 *local_addr, const u8 *addr,
-			   struct ieee80211_key_conf *key)
-{
-	struct iwl_priv *priv = hw->priv;
-	DECLARE_MAC_BUF(mac);
-	int ret = 0;
-	u8 sta_id = IWL_INVALID_STATION;
-	u8 is_default_wep_key = 0;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	if (priv->hw_params.sw_crypto) {
-		IWL_DEBUG_MAC80211("leave - hwcrypto disabled\n");
-		return -EOPNOTSUPP;
-	}
-
-	if (is_zero_ether_addr(addr))
-		/* only support pairwise keys */
-		return -EOPNOTSUPP;
-
-	sta_id = iwl_find_station(priv, addr);
-	if (sta_id == IWL_INVALID_STATION) {
-		IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
-				   print_mac(mac, addr));
-		return -EINVAL;
-
-	}
-
-	mutex_lock(&priv->mutex);
-	iwl_scan_cancel_timeout(priv, 100);
-	mutex_unlock(&priv->mutex);
-
-	/* If we are getting WEP group key and we didn't receive any key mapping
-	 * so far, we are in legacy wep mode (group key only), otherwise we are
-	 * in 1X mode.
-	 * In legacy wep mode, we use another host command to the uCode */
-	if (key->alg == ALG_WEP && sta_id == priv->hw_params.bcast_sta_id &&
-		priv->iw_mode != IEEE80211_IF_TYPE_AP) {
-		if (cmd == SET_KEY)
-			is_default_wep_key = !priv->key_mapping_key;
-		else
-			is_default_wep_key =
-					(key->hw_key_idx == HW_KEY_DEFAULT);
-	}
-
-	switch (cmd) {
-	case SET_KEY:
-		if (is_default_wep_key)
-			ret = iwl_set_default_wep_key(priv, key);
-		else
-			ret = iwl_set_dynamic_key(priv, key, sta_id);
-
-		IWL_DEBUG_MAC80211("enable hwcrypto key\n");
-		break;
-	case DISABLE_KEY:
-		if (is_default_wep_key)
-			ret = iwl_remove_default_wep_key(priv, key);
-		else
-			ret = iwl_remove_dynamic_key(priv, key, sta_id);
-
-		IWL_DEBUG_MAC80211("disable hwcrypto key\n");
-		break;
-	default:
-		ret = -EINVAL;
-	}
-
-	IWL_DEBUG_MAC80211("leave\n");
-
-	return ret;
-}
-
-static int iwl4965_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
-			   const struct ieee80211_tx_queue_params *params)
-{
-	struct iwl_priv *priv = hw->priv;
-	unsigned long flags;
-	int q;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_DEBUG_MAC80211("leave - RF not ready\n");
-		return -EIO;
-	}
-
-	if (queue >= AC_NUM) {
-		IWL_DEBUG_MAC80211("leave - queue >= AC_NUM %d\n", queue);
-		return 0;
-	}
-
-	if (!priv->qos_data.qos_enable) {
-		priv->qos_data.qos_active = 0;
-		IWL_DEBUG_MAC80211("leave - qos not enabled\n");
-		return 0;
-	}
-	q = AC_NUM - 1 - queue;
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	priv->qos_data.def_qos_parm.ac[q].cw_min = cpu_to_le16(params->cw_min);
-	priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max);
-	priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
-	priv->qos_data.def_qos_parm.ac[q].edca_txop =
-			cpu_to_le16((params->txop * 32));
-
-	priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
-	priv->qos_data.qos_active = 1;
-
-	if (priv->iw_mode == IEEE80211_IF_TYPE_AP)
-		iwl_activate_qos(priv, 1);
-	else if (priv->assoc_id && iwl_is_associated(priv))
-		iwl_activate_qos(priv, 0);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	IWL_DEBUG_MAC80211("leave\n");
-	return 0;
-}
-
-static int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
-			     enum ieee80211_ampdu_mlme_action action,
-			     const u8 *addr, u16 tid, u16 *ssn)
-{
-	struct iwl_priv *priv = hw->priv;
-	DECLARE_MAC_BUF(mac);
-
-	IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n",
-		     print_mac(mac, addr), tid);
-
-	if (!(priv->cfg->sku & IWL_SKU_N))
-		return -EACCES;
-
-	switch (action) {
-	case IEEE80211_AMPDU_RX_START:
-		IWL_DEBUG_HT("start Rx\n");
-		return iwl_rx_agg_start(priv, addr, tid, *ssn);
-	case IEEE80211_AMPDU_RX_STOP:
-		IWL_DEBUG_HT("stop Rx\n");
-		return iwl_rx_agg_stop(priv, addr, tid);
-	case IEEE80211_AMPDU_TX_START:
-		IWL_DEBUG_HT("start Tx\n");
-		return iwl_tx_agg_start(priv, addr, tid, ssn);
-	case IEEE80211_AMPDU_TX_STOP:
-		IWL_DEBUG_HT("stop Tx\n");
-		return iwl_tx_agg_stop(priv, addr, tid);
-	default:
-		IWL_DEBUG_HT("unknown\n");
-		return -EINVAL;
-		break;
-	}
-	return 0;
-}
-static int iwl4965_mac_get_tx_stats(struct ieee80211_hw *hw,
-				struct ieee80211_tx_queue_stats *stats)
-{
-	struct iwl_priv *priv = hw->priv;
-	int i, avail;
-	struct iwl_tx_queue *txq;
-	struct iwl_queue *q;
-	unsigned long flags;
-
-	IWL_DEBUG_MAC80211("enter\n");
-
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_DEBUG_MAC80211("leave - RF not ready\n");
-		return -EIO;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	for (i = 0; i < AC_NUM; i++) {
-		txq = &priv->txq[i];
-		q = &txq->q;
-		avail = iwl_queue_space(q);
-
-		stats[i].len = q->n_window - avail;
-		stats[i].limit = q->n_window - q->high_mark;
-		stats[i].count = q->n_window;
-
-	}
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	IWL_DEBUG_MAC80211("leave\n");
-
-	return 0;
-}
-
-static int iwl4965_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("enter\n");
-	IWL_DEBUG_MAC80211("leave\n");
-
-	return 0;
-}
-
-static void iwl4965_mac_reset_tsf(struct ieee80211_hw *hw)
-{
-	struct iwl_priv *priv = hw->priv;
-	unsigned long flags;
-
-	mutex_lock(&priv->mutex);
-	IWL_DEBUG_MAC80211("enter\n");
-
-	spin_lock_irqsave(&priv->lock, flags);
-	memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info));
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	iwl_reset_qos(priv);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	priv->assoc_id = 0;
-	priv->assoc_capability = 0;
-	priv->assoc_station_added = 0;
-
-	/* new association get rid of ibss beacon skb */
-	if (priv->ibss_beacon)
-		dev_kfree_skb(priv->ibss_beacon);
-
-	priv->ibss_beacon = NULL;
-
-	priv->beacon_int = priv->hw->conf.beacon_int;
-	priv->timestamp = 0;
-	if ((priv->iw_mode == IEEE80211_IF_TYPE_STA))
-		priv->beacon_int = 0;
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_DEBUG_MAC80211("leave - not ready\n");
-		mutex_unlock(&priv->mutex);
-		return;
-	}
-
-	/* we are restarting association process
-	 * clear RXON_FILTER_ASSOC_MSK bit
-	 */
-	if (priv->iw_mode != IEEE80211_IF_TYPE_AP) {
-		iwl_scan_cancel_timeout(priv, 100);
-		priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-		iwl4965_commit_rxon(priv);
-	}
-
-	iwl_power_update_mode(priv, 0);
-
-	/* Per mac80211.h: This is only used in IBSS mode... */
-	if (priv->iw_mode != IEEE80211_IF_TYPE_IBSS) {
-
-		IWL_DEBUG_MAC80211("leave - not in IBSS\n");
-		mutex_unlock(&priv->mutex);
-		return;
-	}
-
-	iwl4965_set_rate(priv);
-
-	mutex_unlock(&priv->mutex);
-
-	IWL_DEBUG_MAC80211("leave\n");
-}
-
-static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
-	struct iwl_priv *priv = hw->priv;
-	unsigned long flags;
-	__le64 timestamp;
-
-	mutex_lock(&priv->mutex);
-	IWL_DEBUG_MAC80211("enter\n");
-
-	if (!iwl_is_ready_rf(priv)) {
-		IWL_DEBUG_MAC80211("leave - RF not ready\n");
-		mutex_unlock(&priv->mutex);
-		return -EIO;
-	}
-
-	if (priv->iw_mode != IEEE80211_IF_TYPE_IBSS) {
-		IWL_DEBUG_MAC80211("leave - not IBSS\n");
-		mutex_unlock(&priv->mutex);
-		return -EIO;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	if (priv->ibss_beacon)
-		dev_kfree_skb(priv->ibss_beacon);
-
-	priv->ibss_beacon = skb;
-
-	priv->assoc_id = 0;
-	timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
-	priv->timestamp = le64_to_cpu(timestamp) +  (priv->beacon_int * 1000);
-
-	IWL_DEBUG_MAC80211("leave\n");
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	iwl_reset_qos(priv);
-
-	iwl4965_post_associate(priv);
-
-	mutex_unlock(&priv->mutex);
-
-	return 0;
-}
-
-/*****************************************************************************
- *
- * sysfs attributes
- *
- *****************************************************************************/
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-
-/*
- * The following adds a new attribute to the sysfs representation
- * of this device driver (i.e. a new file in /sys/bus/pci/drivers/iwl/)
- * used for controlling the debug level.
- *
- * See the level definitions in iwl for details.
- */
-
-static ssize_t show_debug_level(struct device *d,
-				struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = d->driver_data;
-
-	return sprintf(buf, "0x%08X\n", priv->debug_level);
-}
-static ssize_t store_debug_level(struct device *d,
-				struct device_attribute *attr,
-				 const char *buf, size_t count)
-{
-	struct iwl_priv *priv = d->driver_data;
-	char *p = (char *)buf;
-	u32 val;
-
-	val = simple_strtoul(p, &p, 0);
-	if (p == buf)
-		printk(KERN_INFO DRV_NAME
-		       ": %s is not in hex or decimal form.\n", buf);
-	else
-		priv->debug_level = val;
-
-	return strnlen(buf, count);
-}
-
-static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
-			show_debug_level, store_debug_level);
-
-
-#endif /* CONFIG_IWLWIFI_DEBUG */
-
-
-static ssize_t show_version(struct device *d,
-				struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = d->driver_data;
-	struct iwl_alive_resp *palive = &priv->card_alive;
-	ssize_t pos = 0;
-	u16 eeprom_ver;
-
-	if (palive->is_valid)
-		pos += sprintf(buf + pos,
-				"fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n"
-				"fw type: 0x%01X 0x%01X\n",
-				palive->ucode_major, palive->ucode_minor,
-				palive->sw_rev[0], palive->sw_rev[1],
-				palive->ver_type, palive->ver_subtype);
-	else
-		pos += sprintf(buf + pos, "fw not loaded\n");
-
-	if (priv->eeprom) {
-		eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
-		pos += sprintf(buf + pos, "EEPROM version: 0x%x\n",
-				 eeprom_ver);
-	} else {
-		pos += sprintf(buf + pos, "EEPROM not initialzed\n");
-	}
-
-	return pos;
-}
-
-static DEVICE_ATTR(version, S_IWUSR | S_IRUGO, show_version, NULL);
-
-static ssize_t show_temperature(struct device *d,
-				struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-
-	if (!iwl_is_alive(priv))
-		return -EAGAIN;
-
-	return sprintf(buf, "%d\n", priv->temperature);
-}
-
-static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL);
-
-static ssize_t show_tx_power(struct device *d,
-			     struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-	return sprintf(buf, "%d\n", priv->tx_power_user_lmt);
-}
-
-static ssize_t store_tx_power(struct device *d,
-			      struct device_attribute *attr,
-			      const char *buf, size_t count)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-	char *p = (char *)buf;
-	u32 val;
-
-	val = simple_strtoul(p, &p, 10);
-	if (p == buf)
-		printk(KERN_INFO DRV_NAME
-		       ": %s is not in decimal form.\n", buf);
-	else
-		iwl_set_tx_power(priv, val, false);
-
-	return count;
-}
-
-static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power);
-
-static ssize_t show_flags(struct device *d,
-			  struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-
-	return sprintf(buf, "0x%04X\n", priv->active_rxon.flags);
-}
-
-static ssize_t store_flags(struct device *d,
-			   struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-	u32 flags = simple_strtoul(buf, NULL, 0);
-
-	mutex_lock(&priv->mutex);
-	if (le32_to_cpu(priv->staging_rxon.flags) != flags) {
-		/* Cancel any currently running scans... */
-		if (iwl_scan_cancel_timeout(priv, 100))
-			IWL_WARNING("Could not cancel scan.\n");
-		else {
-			IWL_DEBUG_INFO("Committing rxon.flags = 0x%04X\n",
-				       flags);
-			priv->staging_rxon.flags = cpu_to_le32(flags);
-			iwl4965_commit_rxon(priv);
-		}
-	}
-	mutex_unlock(&priv->mutex);
-
-	return count;
-}
-
-static DEVICE_ATTR(flags, S_IWUSR | S_IRUGO, show_flags, store_flags);
-
-static ssize_t show_filter_flags(struct device *d,
-				 struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-
-	return sprintf(buf, "0x%04X\n",
-		le32_to_cpu(priv->active_rxon.filter_flags));
-}
-
-static ssize_t store_filter_flags(struct device *d,
-				  struct device_attribute *attr,
-				  const char *buf, size_t count)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-	u32 filter_flags = simple_strtoul(buf, NULL, 0);
-
-	mutex_lock(&priv->mutex);
-	if (le32_to_cpu(priv->staging_rxon.filter_flags) != filter_flags) {
-		/* Cancel any currently running scans... */
-		if (iwl_scan_cancel_timeout(priv, 100))
-			IWL_WARNING("Could not cancel scan.\n");
-		else {
-			IWL_DEBUG_INFO("Committing rxon.filter_flags = "
-				       "0x%04X\n", filter_flags);
-			priv->staging_rxon.filter_flags =
-				cpu_to_le32(filter_flags);
-			iwl4965_commit_rxon(priv);
-		}
-	}
-	mutex_unlock(&priv->mutex);
-
-	return count;
-}
-
-static DEVICE_ATTR(filter_flags, S_IWUSR | S_IRUGO, show_filter_flags,
-		   store_filter_flags);
-
-#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
-
-static ssize_t show_measurement(struct device *d,
-				struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	struct iwl4965_spectrum_notification measure_report;
-	u32 size = sizeof(measure_report), len = 0, ofs = 0;
-	u8 *data = (u8 *) & measure_report;
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	if (!(priv->measurement_status & MEASUREMENT_READY)) {
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return 0;
-	}
-	memcpy(&measure_report, &priv->measure_report, size);
-	priv->measurement_status = 0;
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	while (size && (PAGE_SIZE - len)) {
-		hex_dump_to_buffer(data + ofs, size, 16, 1, buf + len,
-				   PAGE_SIZE - len, 1);
-		len = strlen(buf);
-		if (PAGE_SIZE - len)
-			buf[len++] = '\n';
-
-		ofs += 16;
-		size -= min(size, 16U);
-	}
-
-	return len;
-}
-
-static ssize_t store_measurement(struct device *d,
-				 struct device_attribute *attr,
-				 const char *buf, size_t count)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	struct ieee80211_measurement_params params = {
-		.channel = le16_to_cpu(priv->active_rxon.channel),
-		.start_time = cpu_to_le64(priv->last_tsf),
-		.duration = cpu_to_le16(1),
-	};
-	u8 type = IWL_MEASURE_BASIC;
-	u8 buffer[32];
-	u8 channel;
-
-	if (count) {
-		char *p = buffer;
-		strncpy(buffer, buf, min(sizeof(buffer), count));
-		channel = simple_strtoul(p, NULL, 0);
-		if (channel)
-			params.channel = channel;
-
-		p = buffer;
-		while (*p && *p != ' ')
-			p++;
-		if (*p)
-			type = simple_strtoul(p + 1, NULL, 0);
-	}
-
-	IWL_DEBUG_INFO("Invoking measurement of type %d on "
-		       "channel %d (for '%s')\n", type, params.channel, buf);
-	iwl4965_get_measurement(priv, &params, type);
-
-	return count;
-}
-
-static DEVICE_ATTR(measurement, S_IRUSR | S_IWUSR,
-		   show_measurement, store_measurement);
-#endif /* CONFIG_IWL4965_SPECTRUM_MEASUREMENT */
-
-static ssize_t store_retry_rate(struct device *d,
-				struct device_attribute *attr,
-				const char *buf, size_t count)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-
-	priv->retry_rate = simple_strtoul(buf, NULL, 0);
-	if (priv->retry_rate <= 0)
-		priv->retry_rate = 1;
-
-	return count;
-}
-
-static ssize_t show_retry_rate(struct device *d,
-			       struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	return sprintf(buf, "%d", priv->retry_rate);
-}
-
-static DEVICE_ATTR(retry_rate, S_IWUSR | S_IRUSR, show_retry_rate,
-		   store_retry_rate);
-
-static ssize_t store_power_level(struct device *d,
-				 struct device_attribute *attr,
-				 const char *buf, size_t count)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	int ret;
-	int mode;
-
-	mode = simple_strtoul(buf, NULL, 0);
-	mutex_lock(&priv->mutex);
-
-	if (!iwl_is_ready(priv)) {
-		ret = -EAGAIN;
-		goto out;
-	}
-
-	ret = iwl_power_set_user_mode(priv, mode);
-	if (ret) {
-		IWL_DEBUG_MAC80211("failed setting power mode.\n");
-		goto out;
-	}
-	ret = count;
-
- out:
-	mutex_unlock(&priv->mutex);
-	return ret;
-}
-
-static ssize_t show_power_level(struct device *d,
-				struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	int mode = priv->power_data.user_power_setting;
-	int system = priv->power_data.system_power_setting;
-	int level = priv->power_data.power_mode;
-	char *p = buf;
-
-	switch (system) {
-	case IWL_POWER_SYS_AUTO:
-		p += sprintf(p, "SYSTEM:auto");
-		break;
-	case IWL_POWER_SYS_AC:
-		p += sprintf(p, "SYSTEM:ac");
-		break;
-	case IWL_POWER_SYS_BATTERY:
-		p += sprintf(p, "SYSTEM:battery");
-		break;
-	}
-
-	p += sprintf(p, "\tMODE:%s", (mode < IWL_POWER_AUTO)?"fixed":"auto");
-	p += sprintf(p, "\tINDEX:%d", level);
-	p += sprintf(p, "\n");
-	return (p - buf + 1);
-}
-
-static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level,
-		   store_power_level);
-
-static ssize_t show_channels(struct device *d,
-			     struct device_attribute *attr, char *buf)
-{
-
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	struct ieee80211_channel *channels = NULL;
-	const struct ieee80211_supported_band *supp_band = NULL;
-	int len = 0, i;
-	int count = 0;
-
-	if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
-		return -EAGAIN;
-
-	supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
-	channels = supp_band->channels;
-	count = supp_band->n_channels;
-
-	len += sprintf(&buf[len],
-			"Displaying %d channels in 2.4GHz band "
-			"(802.11bg):\n", count);
-
-	for (i = 0; i < count; i++)
-		len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n",
-				ieee80211_frequency_to_channel(
-				channels[i].center_freq),
-				channels[i].max_power,
-				channels[i].flags & IEEE80211_CHAN_RADAR ?
-				" (IEEE 802.11h required)" : "",
-				(!(channels[i].flags & IEEE80211_CHAN_NO_IBSS)
-				|| (channels[i].flags &
-				IEEE80211_CHAN_RADAR)) ? "" :
-				", IBSS",
-				channels[i].flags &
-				IEEE80211_CHAN_PASSIVE_SCAN ?
-				"passive only" : "active/passive");
-
-	supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
-	channels = supp_band->channels;
-	count = supp_band->n_channels;
-
-	len += sprintf(&buf[len], "Displaying %d channels in 5.2GHz band "
-			"(802.11a):\n", count);
-
-	for (i = 0; i < count; i++)
-		len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n",
-				ieee80211_frequency_to_channel(
-				channels[i].center_freq),
-				channels[i].max_power,
-				channels[i].flags & IEEE80211_CHAN_RADAR ?
-				" (IEEE 802.11h required)" : "",
-				((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
-				|| (channels[i].flags &
-				IEEE80211_CHAN_RADAR)) ? "" :
-				", IBSS",
-				channels[i].flags &
-				IEEE80211_CHAN_PASSIVE_SCAN ?
-				"passive only" : "active/passive");
-
-	return len;
-}
-
-static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL);
-
-static ssize_t show_statistics(struct device *d,
-			       struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = dev_get_drvdata(d);
-	u32 size = sizeof(struct iwl_notif_statistics);
-	u32 len = 0, ofs = 0;
-	u8 *data = (u8 *) & priv->statistics;
-	int rc = 0;
-
-	if (!iwl_is_alive(priv))
-		return -EAGAIN;
-
-	mutex_lock(&priv->mutex);
-	rc = iwl_send_statistics_request(priv, 0);
-	mutex_unlock(&priv->mutex);
-
-	if (rc) {
-		len = sprintf(buf,
-			      "Error sending statistics request: 0x%08X\n", rc);
-		return len;
-	}
-
-	while (size && (PAGE_SIZE - len)) {
-		hex_dump_to_buffer(data + ofs, size, 16, 1, buf + len,
-				   PAGE_SIZE - len, 1);
-		len = strlen(buf);
-		if (PAGE_SIZE - len)
-			buf[len++] = '\n';
-
-		ofs += 16;
-		size -= min(size, 16U);
-	}
-
-	return len;
-}
-
-static DEVICE_ATTR(statistics, S_IRUGO, show_statistics, NULL);
-
-static ssize_t show_status(struct device *d,
-			   struct device_attribute *attr, char *buf)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-	if (!iwl_is_alive(priv))
-		return -EAGAIN;
-	return sprintf(buf, "0x%08x\n", (int)priv->status);
-}
-
-static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
-
-/*****************************************************************************
- *
- * driver setup and teardown
- *
- *****************************************************************************/
-
-static void iwl_setup_deferred_work(struct iwl_priv *priv)
-{
-	priv->workqueue = create_workqueue(DRV_NAME);
-
-	init_waitqueue_head(&priv->wait_command_queue);
-
-	INIT_WORK(&priv->up, iwl4965_bg_up);
-	INIT_WORK(&priv->restart, iwl4965_bg_restart);
-	INIT_WORK(&priv->rx_replenish, iwl4965_bg_rx_replenish);
-	INIT_WORK(&priv->rf_kill, iwl4965_bg_rf_kill);
-	INIT_WORK(&priv->beacon_update, iwl4965_bg_beacon_update);
-	INIT_WORK(&priv->set_monitor, iwl4965_bg_set_monitor);
-	INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
-	INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
-	INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
-
-	/* FIXME : remove when resolved PENDING */
-	INIT_WORK(&priv->scan_completed, iwl_bg_scan_completed);
-	iwl_setup_scan_deferred_work(priv);
-
-	if (priv->cfg->ops->lib->setup_deferred_work)
-		priv->cfg->ops->lib->setup_deferred_work(priv);
-
-	init_timer(&priv->statistics_periodic);
-	priv->statistics_periodic.data = (unsigned long)priv;
-	priv->statistics_periodic.function = iwl4965_bg_statistics_periodic;
-
-	tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
-		     iwl4965_irq_tasklet, (unsigned long)priv);
-}
-
-static void iwl_cancel_deferred_work(struct iwl_priv *priv)
-{
-	if (priv->cfg->ops->lib->cancel_deferred_work)
-		priv->cfg->ops->lib->cancel_deferred_work(priv);
-
-	cancel_delayed_work_sync(&priv->init_alive_start);
-	cancel_delayed_work(&priv->scan_check);
-	cancel_delayed_work(&priv->alive_start);
-	cancel_work_sync(&priv->beacon_update);
-	del_timer_sync(&priv->statistics_periodic);
-}
-
-static struct attribute *iwl4965_sysfs_entries[] = {
-	&dev_attr_channels.attr,
-	&dev_attr_flags.attr,
-	&dev_attr_filter_flags.attr,
-#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
-	&dev_attr_measurement.attr,
-#endif
-	&dev_attr_power_level.attr,
-	&dev_attr_retry_rate.attr,
-	&dev_attr_statistics.attr,
-	&dev_attr_status.attr,
-	&dev_attr_temperature.attr,
-	&dev_attr_tx_power.attr,
-#ifdef CONFIG_IWLWIFI_DEBUG
-	&dev_attr_debug_level.attr,
-#endif
-	&dev_attr_version.attr,
-
-	NULL
-};
-
-static struct attribute_group iwl4965_attribute_group = {
-	.name = NULL,		/* put in device directory */
-	.attrs = iwl4965_sysfs_entries,
-};
-
-static struct ieee80211_ops iwl4965_hw_ops = {
-	.tx = iwl4965_mac_tx,
-	.start = iwl4965_mac_start,
-	.stop = iwl4965_mac_stop,
-	.add_interface = iwl4965_mac_add_interface,
-	.remove_interface = iwl4965_mac_remove_interface,
-	.config = iwl4965_mac_config,
-	.config_interface = iwl4965_mac_config_interface,
-	.configure_filter = iwl4965_configure_filter,
-	.set_key = iwl4965_mac_set_key,
-	.update_tkip_key = iwl4965_mac_update_tkip_key,
-	.get_stats = iwl4965_mac_get_stats,
-	.get_tx_stats = iwl4965_mac_get_tx_stats,
-	.conf_tx = iwl4965_mac_conf_tx,
-	.reset_tsf = iwl4965_mac_reset_tsf,
-	.bss_info_changed = iwl4965_bss_info_changed,
-	.ampdu_action = iwl4965_mac_ampdu_action,
-	.hw_scan = iwl4965_mac_hw_scan
-};
-
-static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	int err = 0;
-	struct iwl_priv *priv;
-	struct ieee80211_hw *hw;
-	struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac);
-
-	/************************
-	 * 1. Allocating HW data
-	 ************************/
-
-	/* Disabling hardware scan means that mac80211 will perform scans
-	 * "the hard way", rather than using device's scan. */
-	if (cfg->mod_params->disable_hw_scan) {
-		if (cfg->mod_params->debug & IWL_DL_INFO)
-			dev_printk(KERN_DEBUG, &(pdev->dev),
-				   "Disabling hw_scan\n");
-		iwl4965_hw_ops.hw_scan = NULL;
-	}
-
-	hw = iwl_alloc_all(cfg, &iwl4965_hw_ops);
-	if (!hw) {
-		err = -ENOMEM;
-		goto out;
-	}
-	priv = hw->priv;
-	/* At this point both hw and priv are allocated. */
-
-	SET_IEEE80211_DEV(hw, &pdev->dev);
-
-	IWL_DEBUG_INFO("*** LOAD DRIVER ***\n");
-	priv->cfg = cfg;
-	priv->pci_dev = pdev;
-
-#ifdef CONFIG_IWLWIFI_DEBUG
-	priv->debug_level = priv->cfg->mod_params->debug;
-	atomic_set(&priv->restrict_refcnt, 0);
-#endif
-
-	/**************************
-	 * 2. Initializing PCI bus
-	 **************************/
-	if (pci_enable_device(pdev)) {
-		err = -ENODEV;
-		goto out_ieee80211_free_hw;
-	}
-
-	pci_set_master(pdev);
-
-	err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
-	if (!err)
-		err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
-	if (err) {
-		err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
-		if (!err)
-			err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
-		/* both attempts failed: */
-		if (err) {
-			printk(KERN_WARNING "%s: No suitable DMA available.\n",
-				DRV_NAME);
-			goto out_pci_disable_device;
-		}
-	}
-
-	err = pci_request_regions(pdev, DRV_NAME);
-	if (err)
-		goto out_pci_disable_device;
-
-	pci_set_drvdata(pdev, priv);
-
-	/* We disable the RETRY_TIMEOUT register (0x41) to keep
-	 * PCI Tx retries from interfering with C3 CPU state */
-	pci_write_config_byte(pdev, 0x41, 0x00);
-
-	/***********************
-	 * 3. Read REV register
-	 ***********************/
-	priv->hw_base = pci_iomap(pdev, 0, 0);
-	if (!priv->hw_base) {
-		err = -ENODEV;
-		goto out_pci_release_regions;
-	}
-
-	IWL_DEBUG_INFO("pci_resource_len = 0x%08llx\n",
-		(unsigned long long) pci_resource_len(pdev, 0));
-	IWL_DEBUG_INFO("pci_resource_base = %p\n", priv->hw_base);
-
-	iwl_hw_detect(priv);
-	printk(KERN_INFO DRV_NAME
-		": Detected Intel Wireless WiFi Link %s REV=0x%X\n",
-		priv->cfg->name, priv->hw_rev);
-
-	/* amp init */
-	err = priv->cfg->ops->lib->apm_ops.init(priv);
-	if (err < 0) {
-		IWL_DEBUG_INFO("Failed to init APMG\n");
-		goto out_iounmap;
-	}
-	/*****************
-	 * 4. Read EEPROM
-	 *****************/
-	/* Read the EEPROM */
-	err = iwl_eeprom_init(priv);
-	if (err) {
-		IWL_ERROR("Unable to init EEPROM\n");
-		goto out_iounmap;
-	}
-	err = iwl_eeprom_check_version(priv);
-	if (err)
-		goto out_iounmap;
-
-	/* extract MAC Address */
-	iwl_eeprom_get_mac(priv, priv->mac_addr);
-	IWL_DEBUG_INFO("MAC address: %s\n", print_mac(mac, priv->mac_addr));
-	SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
-
-	/************************
-	 * 5. Setup HW constants
-	 ************************/
-	if (iwl_set_hw_params(priv)) {
-		IWL_ERROR("failed to set hw parameters\n");
-		goto out_free_eeprom;
-	}
-
-	/*******************
-	 * 6. Setup priv
-	 *******************/
-
-	err = iwl_init_drv(priv);
-	if (err)
-		goto out_free_eeprom;
-	/* At this point both hw and priv are initialized. */
-
-	/**********************************
-	 * 7. Initialize module parameters
-	 **********************************/
-
-	/* Disable radio (SW RF KILL) via parameter when loading driver */
-	if (priv->cfg->mod_params->disable) {
-		set_bit(STATUS_RF_KILL_SW, &priv->status);
-		IWL_DEBUG_INFO("Radio disabled.\n");
-	}
-
-	/********************
-	 * 8. Setup services
-	 ********************/
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl4965_disable_interrupts(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	err = sysfs_create_group(&pdev->dev.kobj, &iwl4965_attribute_group);
-	if (err) {
-		IWL_ERROR("failed to create sysfs device attributes\n");
-		goto out_uninit_drv;
-	}
-
-
-	iwl_setup_deferred_work(priv);
-	iwl_setup_rx_handlers(priv);
-
-	/********************
-	 * 9. Conclude
-	 ********************/
-	pci_save_state(pdev);
-	pci_disable_device(pdev);
-
-	/**********************************
-	 * 10. Setup and register mac80211
-	 **********************************/
-
-	err = iwl_setup_mac(priv);
-	if (err)
-		goto out_remove_sysfs;
-
-	err = iwl_dbgfs_register(priv, DRV_NAME);
-	if (err)
-		IWL_ERROR("failed to create debugfs files\n");
-
-	err = iwl_rfkill_init(priv);
-	if (err)
-		IWL_ERROR("Unable to initialize RFKILL system. "
-				  "Ignoring error: %d\n", err);
-	iwl_power_initialize(priv);
-	return 0;
-
- out_remove_sysfs:
-	sysfs_remove_group(&pdev->dev.kobj, &iwl4965_attribute_group);
- out_uninit_drv:
-	iwl_uninit_drv(priv);
- out_free_eeprom:
-	iwl_eeprom_free(priv);
- out_iounmap:
-	pci_iounmap(pdev, priv->hw_base);
- out_pci_release_regions:
-	pci_release_regions(pdev);
-	pci_set_drvdata(pdev, NULL);
- out_pci_disable_device:
-	pci_disable_device(pdev);
- out_ieee80211_free_hw:
-	ieee80211_free_hw(priv->hw);
- out:
-	return err;
-}
-
-static void __devexit iwl4965_pci_remove(struct pci_dev *pdev)
-{
-	struct iwl_priv *priv = pci_get_drvdata(pdev);
-	unsigned long flags;
-
-	if (!priv)
-		return;
-
-	IWL_DEBUG_INFO("*** UNLOAD DRIVER ***\n");
-
-	iwl_dbgfs_unregister(priv);
-	sysfs_remove_group(&pdev->dev.kobj, &iwl4965_attribute_group);
-
-	if (priv->mac80211_registered) {
-		ieee80211_unregister_hw(priv->hw);
-		priv->mac80211_registered = 0;
-	}
-
-	set_bit(STATUS_EXIT_PENDING, &priv->status);
-
-	iwl4965_down(priv);
-
-	/* make sure we flush any pending irq or
-	 * tasklet for the driver
-	 */
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl4965_disable_interrupts(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	iwl_synchronize_irq(priv);
-
-	iwl_rfkill_unregister(priv);
-	iwl4965_dealloc_ucode_pci(priv);
-
-	if (priv->rxq.bd)
-		iwl_rx_queue_free(priv, &priv->rxq);
-	iwl_hw_txq_ctx_free(priv);
-
-	iwl_clear_stations_table(priv);
-	iwl_eeprom_free(priv);
-
-
-	/*netif_stop_queue(dev); */
-	flush_workqueue(priv->workqueue);
-
-	/* ieee80211_unregister_hw calls iwl4965_mac_stop, which flushes
-	 * priv->workqueue... so we can't take down the workqueue
-	 * until now... */
-	destroy_workqueue(priv->workqueue);
-	priv->workqueue = NULL;
-
-	pci_iounmap(pdev, priv->hw_base);
-	pci_release_regions(pdev);
-	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
-
-	iwl_uninit_drv(priv);
-
-	if (priv->ibss_beacon)
-		dev_kfree_skb(priv->ibss_beacon);
-
-	ieee80211_free_hw(priv->hw);
-}
-
-#ifdef CONFIG_PM
-
-static int iwl4965_pci_suspend(struct pci_dev *pdev, pm_message_t state)
-{
-	struct iwl_priv *priv = pci_get_drvdata(pdev);
-
-	if (priv->is_open) {
-		set_bit(STATUS_IN_SUSPEND, &priv->status);
-		iwl4965_mac_stop(priv->hw);
-		priv->is_open = 1;
-	}
-
-	pci_set_power_state(pdev, PCI_D3hot);
-
-	return 0;
-}
-
-static int iwl4965_pci_resume(struct pci_dev *pdev)
-{
-	struct iwl_priv *priv = pci_get_drvdata(pdev);
-
-	pci_set_power_state(pdev, PCI_D0);
-
-	if (priv->is_open)
-		iwl4965_mac_start(priv->hw);
-
-	clear_bit(STATUS_IN_SUSPEND, &priv->status);
-	return 0;
-}
-
-#endif /* CONFIG_PM */
-
-/*****************************************************************************
- *
- * driver and module entry point
- *
- *****************************************************************************/
-
-/* Hardware specific file defines the PCI IDs table for that hardware module */
-static struct pci_device_id iwl_hw_card_ids[] = {
-	{IWL_PCI_DEVICE(0x4229, PCI_ANY_ID, iwl4965_agn_cfg)},
-	{IWL_PCI_DEVICE(0x4230, PCI_ANY_ID, iwl4965_agn_cfg)},
-#ifdef CONFIG_IWL5000
-	{IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)},
-	{IWL_PCI_DEVICE(0x4232, PCI_ANY_ID, iwl5100_agn_cfg)},
-	{IWL_PCI_DEVICE(0x4235, PCI_ANY_ID, iwl5300_agn_cfg)},
-	{IWL_PCI_DEVICE(0x4236, PCI_ANY_ID, iwl5300_agn_cfg)},
-	{IWL_PCI_DEVICE(0x4237, PCI_ANY_ID, iwl5100_agn_cfg)},
-	{IWL_PCI_DEVICE(0x423A, PCI_ANY_ID, iwl5350_agn_cfg)},
-#endif /* CONFIG_IWL5000 */
-	{0}
-};
-MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
-
-static struct pci_driver iwl_driver = {
-	.name = DRV_NAME,
-	.id_table = iwl_hw_card_ids,
-	.probe = iwl4965_pci_probe,
-	.remove = __devexit_p(iwl4965_pci_remove),
-#ifdef CONFIG_PM
-	.suspend = iwl4965_pci_suspend,
-	.resume = iwl4965_pci_resume,
-#endif
-};
-
-static int __init iwl4965_init(void)
-{
-
-	int ret;
-	printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
-	printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n");
-
-	ret = iwlagn_rate_control_register();
-	if (ret) {
-		IWL_ERROR("Unable to register rate control algorithm: %d\n", ret);
-		return ret;
-	}
-
-	ret = pci_register_driver(&iwl_driver);
-	if (ret) {
-		IWL_ERROR("Unable to initialize PCI module\n");
-		goto error_register;
-	}
-
-	return ret;
-
-error_register:
-	iwlagn_rate_control_unregister();
-	return ret;
-}
-
-static void __exit iwl4965_exit(void)
-{
-	pci_unregister_driver(&iwl_driver);
-	iwlagn_rate_control_unregister();
-}
-
-module_exit(iwl4965_exit);
-module_init(iwl4965_init);