Merge branch 'linus' into x86/pebs

Conflicts:

	arch/x86/Kconfig.cpu
	arch/x86/kernel/cpu/intel.c
	arch/x86/kernel/setup_64.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 742 insertions, 3258 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index bf19eb8aafd..9afecb81371 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -39,81 +39,33 @@
 #include <asm/unaligned.h>
 
 #include "iwl-eeprom.h"
-#include "iwl-4965.h"
+#include "iwl-dev.h"
 #include "iwl-core.h"
 #include "iwl-io.h"
 #include "iwl-helpers.h"
+#include "iwl-calib.h"
+#include "iwl-sta.h"
+
+static int iwl4965_send_tx_power(struct iwl_priv *priv);
+static int iwl4965_hw_get_temperature(const struct iwl_priv *priv);
+
+/* Change firmware file name, using "-" and incrementing number,
+ *   *only* when uCode interface or architecture changes so that it
+ *   is not compatible with earlier drivers.
+ * This number will also appear in << 8 position of 1st dword of uCode file */
+#define IWL4965_UCODE_API "-2"
+
 
 /* module parameters */
 static struct iwl_mod_params iwl4965_mod_params = {
-	.num_of_queues = IWL4965_MAX_NUM_QUEUES,
+	.num_of_queues = IWL49_NUM_QUEUES,
+	.num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
 	.enable_qos = 1,
 	.amsdu_size_8K = 1,
+	.restart_fw = 1,
 	/* the rest are 0 by default */
 };
 
-static void iwl4965_hw_card_show_info(struct iwl_priv *priv);
-
-#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np)    \
-	[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP,      \
-				    IWL_RATE_SISO_##s##M_PLCP, \
-				    IWL_RATE_MIMO_##s##M_PLCP, \
-				    IWL_RATE_##r##M_IEEE,      \
-				    IWL_RATE_##ip##M_INDEX,    \
-				    IWL_RATE_##in##M_INDEX,    \
-				    IWL_RATE_##rp##M_INDEX,    \
-				    IWL_RATE_##rn##M_INDEX,    \
-				    IWL_RATE_##pp##M_INDEX,    \
-				    IWL_RATE_##np##M_INDEX }
-
-/*
- * Parameter order:
- *   rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate
- *
- * If there isn't a valid next or previous rate then INV is used which
- * maps to IWL_RATE_INVALID
- *
- */
-const struct iwl4965_rate_info iwl4965_rates[IWL_RATE_COUNT] = {
-	IWL_DECLARE_RATE_INFO(1, INV, INV, 2, INV, 2, INV, 2),    /*  1mbps */
-	IWL_DECLARE_RATE_INFO(2, INV, 1, 5, 1, 5, 1, 5),          /*  2mbps */
-	IWL_DECLARE_RATE_INFO(5, INV, 2, 6, 2, 11, 2, 11),        /*5.5mbps */
-	IWL_DECLARE_RATE_INFO(11, INV, 9, 12, 9, 12, 5, 18),      /* 11mbps */
-	IWL_DECLARE_RATE_INFO(6, 6, 5, 9, 5, 11, 5, 11),        /*  6mbps */
-	IWL_DECLARE_RATE_INFO(9, 6, 6, 11, 6, 11, 5, 11),       /*  9mbps */
-	IWL_DECLARE_RATE_INFO(12, 12, 11, 18, 11, 18, 11, 18),   /* 12mbps */
-	IWL_DECLARE_RATE_INFO(18, 18, 12, 24, 12, 24, 11, 24),   /* 18mbps */
-	IWL_DECLARE_RATE_INFO(24, 24, 18, 36, 18, 36, 18, 36),   /* 24mbps */
-	IWL_DECLARE_RATE_INFO(36, 36, 24, 48, 24, 48, 24, 48),   /* 36mbps */
-	IWL_DECLARE_RATE_INFO(48, 48, 36, 54, 36, 54, 36, 54),   /* 48mbps */
-	IWL_DECLARE_RATE_INFO(54, 54, 48, INV, 48, INV, 48, INV),/* 54mbps */
-	IWL_DECLARE_RATE_INFO(60, 60, 48, INV, 48, INV, 48, INV),/* 60mbps */
-};
-
-#ifdef CONFIG_IWL4965_HT
-
-static const u16 default_tid_to_tx_fifo[] = {
-	IWL_TX_FIFO_AC1,
-	IWL_TX_FIFO_AC0,
-	IWL_TX_FIFO_AC0,
-	IWL_TX_FIFO_AC1,
-	IWL_TX_FIFO_AC2,
-	IWL_TX_FIFO_AC2,
-	IWL_TX_FIFO_AC3,
-	IWL_TX_FIFO_AC3,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_NONE,
-	IWL_TX_FIFO_AC3
-};
-
-#endif	/*CONFIG_IWL4965_HT */
-
 /* check contents of special bootstrap uCode SRAM */
 static int iwl4965_verify_bsm(struct iwl_priv *priv)
 {
@@ -192,15 +144,18 @@ static int iwl4965_load_bsm(struct iwl_priv *priv)
 
 	IWL_DEBUG_INFO("Begin load bsm\n");
 
+	priv->ucode_type = UCODE_RT;
+
 	/* make sure bootstrap program is no larger than BSM's SRAM size */
 	if (len > IWL_MAX_BSM_SIZE)
 		return -EINVAL;
 
 	/* Tell bootstrap uCode where to find the "Initialize" uCode
 	 *   in host DRAM ... host DRAM physical address bits 35:4 for 4965.
-	 * NOTE:  iwl4965_initialize_alive_start() will replace these values,
+	 * NOTE:  iwl_init_alive_start() will replace these values,
 	 *        after the "initialize" uCode has run, to point to
-	 *        runtime/protocol instructions and backup data cache. */
+	 *        runtime/protocol instructions and backup data cache.
+	 */
 	pinst = priv->ucode_init.p_addr >> 4;
 	pdata = priv->ucode_init_data.p_addr >> 4;
 	inst_len = priv->ucode_init.len;
@@ -259,271 +214,134 @@ static int iwl4965_load_bsm(struct iwl_priv *priv)
 	return 0;
 }
 
-static int iwl4965_init_drv(struct iwl_priv *priv)
+/**
+ * iwl4965_set_ucode_ptrs - Set uCode address location
+ *
+ * Tell initialization uCode where to find runtime uCode.
+ *
+ * BSM registers initially contain pointers to initialization uCode.
+ * We need to replace them to load runtime uCode inst and data,
+ * and to save runtime data when powering down.
+ */
+static int iwl4965_set_ucode_ptrs(struct iwl_priv *priv)
 {
-	int ret;
-	int i;
-
-	priv->antenna = (enum iwl4965_antenna)priv->cfg->mod_params->antenna;
-	priv->retry_rate = 1;
-	priv->ibss_beacon = NULL;
-
-	spin_lock_init(&priv->lock);
-	spin_lock_init(&priv->power_data.lock);
-	spin_lock_init(&priv->sta_lock);
-	spin_lock_init(&priv->hcmd_lock);
-	spin_lock_init(&priv->lq_mngr.lock);
-
-	priv->shared_virt = pci_alloc_consistent(priv->pci_dev,
-					sizeof(struct iwl4965_shared),
-					&priv->shared_phys);
-
-	if (!priv->shared_virt) {
-		ret = -ENOMEM;
-		goto err;
-	}
-
-	memset(priv->shared_virt, 0, sizeof(struct iwl4965_shared));
-
-
-	for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++)
-		INIT_LIST_HEAD(&priv->ibss_mac_hash[i]);
-
-	INIT_LIST_HEAD(&priv->free_frames);
-
-	mutex_init(&priv->mutex);
-
-	/* Clear the driver's (not device's) station table */
-	iwlcore_clear_stations_table(priv);
-
-	priv->data_retry_limit = -1;
-	priv->ieee_channels = NULL;
-	priv->ieee_rates = NULL;
-	priv->band = IEEE80211_BAND_2GHZ;
-
-	priv->iw_mode = IEEE80211_IF_TYPE_STA;
-
-	priv->use_ant_b_for_management_frame = 1; /* start with ant B */
-	priv->valid_antenna = 0x7;	/* assume all 3 connected */
-	priv->ps_mode = IWL_MIMO_PS_NONE;
-
-	/* Choose which receivers/antennas to use */
-	iwl4965_set_rxon_chain(priv);
-
-	iwlcore_reset_qos(priv);
-
-	priv->qos_data.qos_active = 0;
-	priv->qos_data.qos_cap.val = 0;
-
-	iwlcore_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6);
+	dma_addr_t pinst;
+	dma_addr_t pdata;
+	unsigned long flags;
+	int ret = 0;
 
-	priv->rates_mask = IWL_RATES_MASK;
-	/* If power management is turned on, default to AC mode */
-	priv->power_mode = IWL_POWER_AC;
-	priv->user_txpower_limit = IWL_DEFAULT_TX_POWER;
+	/* bits 35:4 for 4965 */
+	pinst = priv->ucode_code.p_addr >> 4;
+	pdata = priv->ucode_data_backup.p_addr >> 4;
 
-	ret = iwl_init_channel_map(priv);
+	spin_lock_irqsave(&priv->lock, flags);
+	ret = iwl_grab_nic_access(priv);
 	if (ret) {
-		IWL_ERROR("initializing regulatory failed: %d\n", ret);
-		goto err;
+		spin_unlock_irqrestore(&priv->lock, flags);
+		return ret;
 	}
 
-	ret = iwl4965_init_geos(priv);
-	if (ret) {
-		IWL_ERROR("initializing geos failed: %d\n", ret);
-		goto err_free_channel_map;
-	}
+	/* Tell bootstrap uCode where to find image to load */
+	iwl_write_prph(priv, BSM_DRAM_INST_PTR_REG, pinst);
+	iwl_write_prph(priv, BSM_DRAM_DATA_PTR_REG, pdata);
+	iwl_write_prph(priv, BSM_DRAM_DATA_BYTECOUNT_REG,
+				 priv->ucode_data.len);
 
-	ret = ieee80211_register_hw(priv->hw);
-	if (ret) {
-		IWL_ERROR("Failed to register network device (error %d)\n",
-				ret);
-		goto err_free_geos;
-	}
+	/* Inst bytecount must be last to set up, bit 31 signals uCode
+	 *   that all new ptr/size info is in place */
+	iwl_write_prph(priv, BSM_DRAM_INST_BYTECOUNT_REG,
+				 priv->ucode_code.len | BSM_DRAM_INST_LOAD);
+	iwl_release_nic_access(priv);
 
-	priv->hw->conf.beacon_int = 100;
-	priv->mac80211_registered = 1;
+	spin_unlock_irqrestore(&priv->lock, flags);
 
-	return 0;
+	IWL_DEBUG_INFO("Runtime uCode pointers are set.\n");
 
-err_free_geos:
-	iwl4965_free_geos(priv);
-err_free_channel_map:
-	iwl_free_channel_map(priv);
-err:
 	return ret;
 }
 
-static int is_fat_channel(__le32 rxon_flags)
-{
-	return (rxon_flags & RXON_FLG_CHANNEL_MODE_PURE_40_MSK) ||
-		(rxon_flags & RXON_FLG_CHANNEL_MODE_MIXED_MSK);
-}
-
-static u8 is_single_stream(struct iwl_priv *priv)
-{
-#ifdef CONFIG_IWL4965_HT
-	if (!priv->current_ht_config.is_ht ||
-	    (priv->current_ht_config.supp_mcs_set[1] == 0) ||
-	    (priv->ps_mode == IWL_MIMO_PS_STATIC))
-		return 1;
-#else
-	return 1;
-#endif	/*CONFIG_IWL4965_HT */
-	return 0;
-}
-
-int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags)
-{
-	int idx = 0;
-
-	/* 4965 HT rate format */
-	if (rate_n_flags & RATE_MCS_HT_MSK) {
-		idx = (rate_n_flags & 0xff);
-
-		if (idx >= IWL_RATE_MIMO_6M_PLCP)
-			idx = idx - IWL_RATE_MIMO_6M_PLCP;
-
-		idx += IWL_FIRST_OFDM_RATE;
-		/* skip 9M not supported in ht*/
-		if (idx >= IWL_RATE_9M_INDEX)
-			idx += 1;
-		if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE))
-			return idx;
-
-	/* 4965 legacy rate format, search for match in table */
-	} else {
-		for (idx = 0; idx < ARRAY_SIZE(iwl4965_rates); idx++)
-			if (iwl4965_rates[idx].plcp == (rate_n_flags & 0xFF))
-				return idx;
+/**
+ * iwl4965_init_alive_start - Called after REPLY_ALIVE notification received
+ *
+ * Called after REPLY_ALIVE notification received from "initialize" uCode.
+ *
+ * The 4965 "initialize" ALIVE reply contains calibration data for:
+ *   Voltage, temperature, and MIMO tx gain correction, now stored in priv
+ *   (3945 does not contain this data).
+ *
+ * Tell "initialize" uCode to go ahead and load the runtime uCode.
+*/
+static void iwl4965_init_alive_start(struct iwl_priv *priv)
+{
+	/* Check alive response for "valid" sign from uCode */
+	if (priv->card_alive_init.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("Initialize Alive failed.\n");
+		goto restart;
+	}
+
+	/* Bootstrap uCode has loaded initialize uCode ... verify inst image.
+	 * This is a paranoid check, because we would not have gotten the
+	 * "initialize" 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 \"initialize\" uCode load.\n");
+		goto restart;
+	}
+
+	/* Calculate temperature */
+	priv->temperature = iwl4965_hw_get_temperature(priv);
+
+	/* Send pointers to protocol/runtime uCode image ... init code will
+	 * load and launch runtime uCode, which will send us another "Alive"
+	 * notification. */
+	IWL_DEBUG_INFO("Initialization Alive received.\n");
+	if (iwl4965_set_ucode_ptrs(priv)) {
+		/* Runtime instruction load won't happen;
+		 * take it all the way back down so we can try again */
+		IWL_DEBUG_INFO("Couldn't set up uCode pointers.\n");
+		goto restart;
 	}
+	return;
 
-	return -1;
+restart:
+	queue_work(priv->workqueue, &priv->restart);
 }
 
-/**
- * translate ucode response to mac80211 tx status control values
- */
-void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
-				  struct ieee80211_tx_control *control)
+static int is_fat_channel(__le32 rxon_flags)
 {
-	int rate_index;
-
-	control->antenna_sel_tx =
-		((rate_n_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS);
-	if (rate_n_flags & RATE_MCS_HT_MSK)
-		control->flags |= IEEE80211_TXCTL_OFDM_HT;
-	if (rate_n_flags & RATE_MCS_GF_MSK)
-		control->flags |= IEEE80211_TXCTL_GREEN_FIELD;
-	if (rate_n_flags & RATE_MCS_FAT_MSK)
-		control->flags |= IEEE80211_TXCTL_40_MHZ_WIDTH;
-	if (rate_n_flags & RATE_MCS_DUP_MSK)
-		control->flags |= IEEE80211_TXCTL_DUP_DATA;
-	if (rate_n_flags & RATE_MCS_SGI_MSK)
-		control->flags |= IEEE80211_TXCTL_SHORT_GI;
-	/* since iwl4965_hwrate_to_plcp_idx is band indifferent, we always use
-	 * IEEE80211_BAND_2GHZ band as it contains all the rates */
-	rate_index = iwl4965_hwrate_to_plcp_idx(rate_n_flags);
-	if (rate_index == -1)
-		control->tx_rate = NULL;
-	else
-		control->tx_rate =
-			&priv->bands[IEEE80211_BAND_2GHZ].bitrates[rate_index];
+	return (rxon_flags & RXON_FLG_CHANNEL_MODE_PURE_40_MSK) ||
+		(rxon_flags & RXON_FLG_CHANNEL_MODE_MIXED_MSK);
 }
 
 /*
- * Determine how many receiver/antenna chains to use.
- * More provides better reception via diversity.  Fewer saves power.
- * MIMO (dual stream) requires at least 2, but works better with 3.
- * This does not determine *which* chains to use, just how many.
+ * EEPROM handlers
  */
-static int iwl4965_get_rx_chain_counter(struct iwl_priv *priv,
-					u8 *idle_state, u8 *rx_state)
-{
-	u8 is_single = is_single_stream(priv);
-	u8 is_cam = test_bit(STATUS_POWER_PMI, &priv->status) ? 0 : 1;
-
-	/* # of Rx chains to use when expecting MIMO. */
-	if (is_single || (!is_cam && (priv->ps_mode == IWL_MIMO_PS_STATIC)))
-		*rx_state = 2;
-	else
-		*rx_state = 3;
-
-	/* # Rx chains when idling and maybe trying to save power */
-	switch (priv->ps_mode) {
-	case IWL_MIMO_PS_STATIC:
-	case IWL_MIMO_PS_DYNAMIC:
-		*idle_state = (is_cam) ? 2 : 1;
-		break;
-	case IWL_MIMO_PS_NONE:
-		*idle_state = (is_cam) ? *rx_state : 1;
-		break;
-	default:
-		*idle_state = 1;
-		break;
-	}
 
-	return 0;
-}
-
-int iwl4965_hw_rxq_stop(struct iwl_priv *priv)
+static int iwl4965_eeprom_check_version(struct iwl_priv *priv)
 {
-	int rc;
-	unsigned long flags;
+	u16 eeprom_ver;
+	u16 calib_ver;
 
-	spin_lock_irqsave(&priv->lock, flags);
-	rc = iwl_grab_nic_access(priv);
-	if (rc) {
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return rc;
-	}
+	eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION);
 
-	/* stop Rx DMA */
-	iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0);
-	rc = iwl_poll_direct_bit(priv, FH_MEM_RSSR_RX_STATUS_REG,
-				     (1 << 24), 1000);
-	if (rc < 0)
-		IWL_ERROR("Can't stop Rx DMA.\n");
+	calib_ver = iwl_eeprom_query16(priv, EEPROM_4965_CALIB_VERSION_OFFSET);
 
-	iwl_release_nic_access(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
+	if (eeprom_ver < EEPROM_4965_EEPROM_VERSION ||
+	    calib_ver < EEPROM_4965_TX_POWER_VERSION)
+		goto err;
 
 	return 0;
-}
-
-u8 iwl4965_hw_find_station(struct iwl_priv *priv, const u8 *addr)
-{
-	int i;
-	int start = 0;
-	int ret = IWL_INVALID_STATION;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac);
-
-	if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) ||
-	    (priv->iw_mode == IEEE80211_IF_TYPE_AP))
-		start = IWL_STA_ID;
-
-	if (is_broadcast_ether_addr(addr))
-		return priv->hw_params.bcast_sta_id;
-
-	spin_lock_irqsave(&priv->sta_lock, flags);
-	for (i = start; i < priv->hw_params.max_stations; i++)
-		if ((priv->stations[i].used) &&
-		    (!compare_ether_addr
-		     (priv->stations[i].sta.sta.addr, addr))) {
-			ret = i;
-			goto out;
-		}
-
-	IWL_DEBUG_ASSOC_LIMIT("can not find STA %s total %d\n",
-			print_mac(mac, addr), priv->num_stations);
+err:
+	IWL_ERROR("Unsuported EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
+		  eeprom_ver, EEPROM_4965_EEPROM_VERSION,
+		  calib_ver, EEPROM_4965_TX_POWER_VERSION);
+	return -EINVAL;
 
- out:
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
-	return ret;
 }
-
-static int iwl4965_nic_set_pwr_src(struct iwl_priv *priv, int pwr_max)
+int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
 {
 	int ret;
 	unsigned long flags;
@@ -535,340 +353,130 @@ static int iwl4965_nic_set_pwr_src(struct iwl_priv *priv, int pwr_max)
 		return ret;
 	}
 
-	if (!pwr_max) {
+	if (src == IWL_PWR_SRC_VAUX) {
 		u32 val;
-
 		ret = pci_read_config_dword(priv->pci_dev, PCI_POWER_SOURCE,
-					   &val);
+					    &val);
 
-		if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT)
+		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
+					       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);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return ret;
-}
-
-static int iwl4965_rx_init(struct iwl_priv *priv, struct iwl4965_rx_queue *rxq)
-{
-	int ret;
-	unsigned long flags;
-	unsigned int rb_size;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	ret = iwl_grab_nic_access(priv);
-	if (ret) {
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return ret;
+				       APMG_PS_CTRL_VAL_PWR_SRC_VMAIN,
+				       ~APMG_PS_CTRL_MSK_PWR_SRC);
 	}
 
-	if (priv->cfg->mod_params->amsdu_size_8K)
-		rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_8K;
-	else
-		rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_4K;
-
-	/* Stop Rx DMA */
-	iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0);
-
-	/* Reset driver's Rx queue write index */
-	iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0);
-
-	/* Tell device where to find RBD circular buffer in DRAM */
-	iwl_write_direct32(priv, FH_RSCSR_CHNL0_RBDCB_BASE_REG,
-			   rxq->dma_addr >> 8);
-
-	/* Tell device where in DRAM to update its Rx status */
-	iwl_write_direct32(priv, FH_RSCSR_CHNL0_STTS_WPTR_REG,
-			   (priv->shared_phys +
-			    offsetof(struct iwl4965_shared, rb_closed)) >> 4);
-
-	/* Enable Rx DMA, enable host interrupt, Rx buffer size 4k, 256 RBDs */
-	iwl_write_direct32(priv, FH_MEM_RCSR_CHNL0_CONFIG_REG,
-			   FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL |
-			   FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL |
-			   rb_size |
-			     /* 0x10 << 4 | */
-			   (RX_QUEUE_SIZE_LOG <<
-			      FH_RCSR_RX_CONFIG_RBDCB_SIZE_BITSHIFT));
-
-	/*
-	 * iwl_write32(priv,CSR_INT_COAL_REG,0);
-	 */
-
-	iwl_release_nic_access(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return 0;
-}
-
-/* Tell 4965 where to find the "keep warm" buffer */
-static int iwl4965_kw_init(struct iwl_priv *priv)
-{
-	unsigned long flags;
-	int rc;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	rc = iwl_grab_nic_access(priv);
-	if (rc)
-		goto out;
-
-	iwl_write_direct32(priv, IWL_FH_KW_MEM_ADDR_REG,
-			     priv->kw.dma_addr >> 4);
 	iwl_release_nic_access(priv);
-out:
 	spin_unlock_irqrestore(&priv->lock, flags);
-	return rc;
-}
-
-static int iwl4965_kw_alloc(struct iwl_priv *priv)
-{
-	struct pci_dev *dev = priv->pci_dev;
-	struct iwl4965_kw *kw = &priv->kw;
 
-	kw->size = IWL4965_KW_SIZE;	/* TBW need set somewhere else */
-	kw->v_addr = pci_alloc_consistent(dev, kw->size, &kw->dma_addr);
-	if (!kw->v_addr)
-		return -ENOMEM;
-
-	return 0;
+	return ret;
 }
 
-/**
- * iwl4965_kw_free - Free the "keep warm" buffer
+/*
+ * Activate/Deactivat Tx DMA/FIFO channels according tx fifos mask
+ * must be called under priv->lock and mac access
  */
-static void iwl4965_kw_free(struct iwl_priv *priv)
+static void iwl4965_txq_set_sched(struct iwl_priv *priv, u32 mask)
 {
-	struct pci_dev *dev = priv->pci_dev;
-	struct iwl4965_kw *kw = &priv->kw;
-
-	if (kw->v_addr) {
-		pci_free_consistent(dev, kw->size, kw->v_addr, kw->dma_addr);
-		memset(kw, 0, sizeof(*kw));
-	}
+	iwl_write_prph(priv, IWL49_SCD_TXFACT, mask);
 }
 
-/**
- * iwl4965_txq_ctx_reset - Reset TX queue context
- * Destroys all DMA structures and initialise them again
- *
- * @param priv
- * @return error code
- */
-static int iwl4965_txq_ctx_reset(struct iwl_priv *priv)
+static int iwl4965_apm_init(struct iwl_priv *priv)
 {
-	int rc = 0;
-	int txq_id, slots_num;
-	unsigned long flags;
-
-	iwl4965_kw_free(priv);
-
-	/* Free all tx/cmd queues and keep-warm buffer */
-	iwl4965_hw_txq_ctx_free(priv);
-
-	/* Alloc keep-warm buffer */
-	rc = iwl4965_kw_alloc(priv);
-	if (rc) {
-		IWL_ERROR("Keep Warm allocation failed");
-		goto error_kw;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	rc = iwl_grab_nic_access(priv);
-	if (unlikely(rc)) {
-		IWL_ERROR("TX reset failed");
-		spin_unlock_irqrestore(&priv->lock, flags);
-		goto error_reset;
-	}
-
-	/* Turn off all Tx DMA channels */
-	iwl_write_prph(priv, IWL49_SCD_TXFACT, 0);
-	iwl_release_nic_access(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	/* Tell 4965 where to find the keep-warm buffer */
-	rc = iwl4965_kw_init(priv);
-	if (rc) {
-		IWL_ERROR("kw_init failed\n");
-		goto error_reset;
-	}
-
-	/* Alloc and init all (default 16) Tx queues,
-	 * including the command queue (#4) */
-	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
-		slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ?
-					TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
-		rc = iwl4965_tx_queue_init(priv, &priv->txq[txq_id], slots_num,
-				       txq_id);
-		if (rc) {
-			IWL_ERROR("Tx %d queue init failed\n", txq_id);
-			goto error;
-		}
-	}
-
-	return rc;
-
- error:
-	iwl4965_hw_txq_ctx_free(priv);
- error_reset:
-	iwl4965_kw_free(priv);
- error_kw:
-	return rc;
-}
-
-int iwl4965_hw_nic_init(struct iwl_priv *priv)
-{
-	int rc;
-	unsigned long flags;
-	struct iwl4965_rx_queue *rxq = &priv->rxq;
-	u8 rev_id;
-	u32 val;
-	u8 val_link;
-
-	iwl4965_power_init_handle(priv);
+	int ret = 0;
 
-	/* nic_init */
-	spin_lock_irqsave(&priv->lock, flags);
+	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+			  CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
 
+	/* disable L0s without affecting L1 :don't wait for ICH L0s bug W/A) */
 	iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
-		    CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
+			  CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
 
+	/* set "initialization complete" bit to move adapter
+	 * D0U* --> D0A* state */
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-	rc = iwl_poll_bit(priv, CSR_GP_CNTRL,
-			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
-	if (rc < 0) {
-		spin_unlock_irqrestore(&priv->lock, flags);
-		IWL_DEBUG_INFO("Failed to init the card\n");
-		return rc;
-	}
 
-	rc = iwl_grab_nic_access(priv);
-	if (rc) {
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return rc;
+	/* wait for clock stabilization */
+	ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+			   CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+			   CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+	if (ret < 0) {
+		IWL_DEBUG_INFO("Failed to init the card\n");
+		goto out;
 	}
 
-	iwl_read_prph(priv, APMG_CLK_CTRL_REG);
+	ret = iwl_grab_nic_access(priv);
+	if (ret)
+		goto out;
 
-	iwl_write_prph(priv, APMG_CLK_CTRL_REG,
-			APMG_CLK_VAL_DMA_CLK_RQT | APMG_CLK_VAL_BSM_CLK_RQT);
-	iwl_read_prph(priv, APMG_CLK_CTRL_REG);
+	/* enable DMA */
+	iwl_write_prph(priv, APMG_CLK_CTRL_REG, APMG_CLK_VAL_DMA_CLK_RQT |
+						APMG_CLK_VAL_BSM_CLK_RQT);
 
 	udelay(20);
 
+	/* disable L1-Active */
 	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-				APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
+			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
 
 	iwl_release_nic_access(priv);
-	iwl_write32(priv, CSR_INT_COALESCING, 512 / 32);
-	spin_unlock_irqrestore(&priv->lock, flags);
+out:
+	return ret;
+}
 
-	/* Determine HW type */
-	rc = pci_read_config_byte(priv->pci_dev, PCI_REVISION_ID, &rev_id);
-	if (rc)
-		return rc;
 
-	IWL_DEBUG_INFO("HW Revision ID = 0x%X\n", rev_id);
+static void iwl4965_nic_config(struct iwl_priv *priv)
+{
+	unsigned long flags;
+	u32 val;
+	u16 radio_cfg;
+	u8 val_link;
 
-	iwl4965_nic_set_pwr_src(priv, 1);
 	spin_lock_irqsave(&priv->lock, flags);
 
-	if ((rev_id & 0x80) == 0x80 && (rev_id & 0x7f) < 8) {
+	if ((priv->rev_id & 0x80) == 0x80 && (priv->rev_id & 0x7f) < 8) {
 		pci_read_config_dword(priv->pci_dev, PCI_REG_WUM8, &val);
 		/* Enable No Snoop field */
 		pci_write_config_dword(priv->pci_dev, PCI_REG_WUM8,
 				       val & ~(1 << 11));
 	}
 
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (priv->eeprom.calib_version < EEPROM_TX_POWER_VERSION_NEW) {
-		IWL_ERROR("Older EEPROM detected!  Aborting.\n");
-		return -EINVAL;
-	}
-
 	pci_read_config_byte(priv->pci_dev, PCI_LINK_CTRL, &val_link);
 
-	/* disable L1 entry -- workaround for pre-B1 */
-	pci_write_config_byte(priv->pci_dev, PCI_LINK_CTRL, val_link & ~0x02);
+	/* L1 is enabled by BIOS */
+	if ((val_link & PCI_LINK_VAL_L1_EN) == PCI_LINK_VAL_L1_EN)
+		/* diable L0S disabled L1A enabled */
+		iwl_set_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
+	else
+		/* L0S enabled L1A disabled */
+		iwl_clear_bit(priv, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
 
-	spin_lock_irqsave(&priv->lock, flags);
+	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
 
-	/* set CSR_HW_CONFIG_REG for uCode use */
+	/* write radio config values to register */
+	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) == EEPROM_4965_RF_CFG_TYPE_MAX)
+		iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+			    EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
+			    EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
+			    EEPROM_RF_CFG_DASH_MSK(radio_cfg));
 
+	/* set CSR_HW_CONFIG_REG for uCode use */
 	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
-		    CSR49_HW_IF_CONFIG_REG_BIT_4965_R |
-		    CSR49_HW_IF_CONFIG_REG_BIT_RADIO_SI |
-		    CSR49_HW_IF_CONFIG_REG_BIT_MAC_SI);
-
-	rc = iwl_grab_nic_access(priv);
-	if (rc < 0) {
-		spin_unlock_irqrestore(&priv->lock, flags);
-		IWL_DEBUG_INFO("Failed to init the card\n");
-		return rc;
-	}
-
-	iwl_read_prph(priv, APMG_PS_CTRL_REG);
-	iwl_set_bits_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ);
-	udelay(5);
-	iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ);
-
-	iwl_release_nic_access(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	iwl4965_hw_card_show_info(priv);
+		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
+		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
 
-	/* end nic_init */
-
-	/* Allocate the RX queue, or reset if it is already allocated */
-	if (!rxq->bd) {
-		rc = iwl4965_rx_queue_alloc(priv);
-		if (rc) {
-			IWL_ERROR("Unable to initialize Rx queue\n");
-			return -ENOMEM;
-		}
-	} else
-		iwl4965_rx_queue_reset(priv, rxq);
-
-	iwl4965_rx_replenish(priv);
-
-	iwl4965_rx_init(priv, rxq);
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	rxq->need_update = 1;
-	iwl4965_rx_queue_update_write_ptr(priv, rxq);
+	priv->calib_info = (struct iwl_eeprom_calib_info *)
+		iwl_eeprom_query_addr(priv, EEPROM_4965_CALIB_TXPOWER_OFFSET);
 
 	spin_unlock_irqrestore(&priv->lock, flags);
-
-	/* Allocate and init all Tx and Command queues */
-	rc = iwl4965_txq_ctx_reset(priv);
-	if (rc)
-		return rc;
-
-	if (priv->eeprom.sku_cap & EEPROM_SKU_CAP_SW_RF_KILL_ENABLE)
-		IWL_DEBUG_RF_KILL("SW RF KILL supported in EEPROM.\n");
-
-	if (priv->eeprom.sku_cap & EEPROM_SKU_CAP_HW_RF_KILL_ENABLE)
-		IWL_DEBUG_RF_KILL("HW RF KILL supported in EEPROM.\n");
-
-	set_bit(STATUS_INIT, &priv->status);
-
-	return 0;
 }
 
-int iwl4965_hw_nic_stop_master(struct iwl_priv *priv)
+static int iwl4965_apm_stop_master(struct iwl_priv *priv)
 {
-	int rc = 0;
-	u32 reg_val;
+	int ret = 0;
 	unsigned long flags;
 
 	spin_lock_irqsave(&priv->lock, flags);
@@ -876,64 +484,24 @@ int iwl4965_hw_nic_stop_master(struct iwl_priv *priv)
 	/* set stop master bit */
 	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
 
-	reg_val = iwl_read32(priv, CSR_GP_CNTRL);
-
-	if (CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE ==
-	    (reg_val & CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE))
-		IWL_DEBUG_INFO("Card in power save, master is already "
-			       "stopped\n");
-	else {
-		rc = iwl_poll_bit(priv, CSR_RESET,
+	ret = iwl_poll_bit(priv, CSR_RESET,
 				  CSR_RESET_REG_FLAG_MASTER_DISABLED,
 				  CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
-		if (rc < 0) {
-			spin_unlock_irqrestore(&priv->lock, flags);
-			return rc;
-		}
-	}
+	if (ret < 0)
+		goto out;
 
+out:
 	spin_unlock_irqrestore(&priv->lock, flags);
 	IWL_DEBUG_INFO("stop master\n");
 
-	return rc;
-}
-
-/**
- * iwl4965_hw_txq_ctx_stop - Stop all Tx DMA channels, free Tx queue memory
- */
-void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv)
-{
-
-	int txq_id;
-	unsigned long flags;
-
-	/* Stop each Tx DMA channel, and wait for it to be idle */
-	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
-		spin_lock_irqsave(&priv->lock, flags);
-		if (iwl_grab_nic_access(priv)) {
-			spin_unlock_irqrestore(&priv->lock, flags);
-			continue;
-		}
-
-		iwl_write_direct32(priv,
-				   IWL_FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), 0x0);
-		iwl_poll_direct_bit(priv, IWL_FH_TSSR_TX_STATUS_REG,
-				    IWL_FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE
-				    (txq_id), 200);
-		iwl_release_nic_access(priv);
-		spin_unlock_irqrestore(&priv->lock, flags);
-	}
-
-	/* Deallocate memory for all Tx queues */
-	iwl4965_hw_txq_ctx_free(priv);
+	return ret;
 }
 
-int iwl4965_hw_nic_reset(struct iwl_priv *priv)
+static void iwl4965_apm_stop(struct iwl_priv *priv)
 {
-	int rc = 0;
 	unsigned long flags;
 
-	iwl4965_hw_nic_stop_master(priv);
+	iwl4965_apm_stop_master(priv);
 
 	spin_lock_irqsave(&priv->lock, flags);
 
@@ -942,508 +510,66 @@ int iwl4965_hw_nic_reset(struct iwl_priv *priv)
 	udelay(10);
 
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-	rc = iwl_poll_bit(priv, CSR_RESET,
-			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
-			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25);
-
-	udelay(10);
-
-	rc = iwl_grab_nic_access(priv);
-	if (!rc) {
-		iwl_write_prph(priv, APMG_CLK_EN_REG,
-				APMG_CLK_VAL_DMA_CLK_RQT |
-				APMG_CLK_VAL_BSM_CLK_RQT);
-
-		udelay(10);
-
-		iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-					APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
-
-		iwl_release_nic_access(priv);
-	}
-
-	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
-	wake_up_interruptible(&priv->wait_command_queue);
-
 	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return rc;
-
 }
 
-#define REG_RECALIB_PERIOD (60)
-
-/**
- * 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)
+static int iwl4965_apm_reset(struct iwl_priv *priv)
 {
-	struct iwl_priv *priv = (struct iwl_priv *)data;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	iwl_send_statistics_request(priv, CMD_ASYNC);
-}
-
-#define CT_LIMIT_CONST		259
-#define TM_CT_KILL_THRESHOLD	110
-
-void iwl4965_rf_kill_ct_config(struct iwl_priv *priv)
-{
-	struct iwl4965_ct_kill_config cmd;
-	u32 R1, R2, R3;
-	u32 temp_th;
-	u32 crit_temperature;
-	unsigned long flags;
 	int ret = 0;
+	unsigned long flags;
 
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
-		    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	if (priv->statistics.flag & STATISTICS_REPLY_FLG_FAT_MODE_MSK) {
-		R1 = (s32)le32_to_cpu(priv->card_alive_init.therm_r1[1]);
-		R2 = (s32)le32_to_cpu(priv->card_alive_init.therm_r2[1]);
-		R3 = (s32)le32_to_cpu(priv->card_alive_init.therm_r3[1]);
-	} else {
-		R1 = (s32)le32_to_cpu(priv->card_alive_init.therm_r1[0]);
-		R2 = (s32)le32_to_cpu(priv->card_alive_init.therm_r2[0]);
-		R3 = (s32)le32_to_cpu(priv->card_alive_init.therm_r3[0]);
-	}
-
-	temp_th = CELSIUS_TO_KELVIN(TM_CT_KILL_THRESHOLD);
-
-	crit_temperature = ((temp_th * (R3-R1))/CT_LIMIT_CONST) + R2;
-	cmd.critical_temperature_R =  cpu_to_le32(crit_temperature);
-	ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
-			       sizeof(cmd), &cmd);
-	if (ret)
-		IWL_ERROR("REPLY_CT_KILL_CONFIG_CMD failed\n");
-	else
-		IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded\n");
-}
-
-#ifdef CONFIG_IWL4965_SENSITIVITY
-
-/* "false alarms" are signals that our DSP tries to lock onto,
- *   but then determines that they are either noise, or transmissions
- *   from a distant wireless network (also "noise", really) that get
- *   "stepped on" by stronger transmissions within our own network.
- * This algorithm attempts to set a sensitivity level that is high
- *   enough to receive all of our own network traffic, but not so
- *   high that our DSP gets too busy trying to lock onto non-network
- *   activity/noise. */
-static int iwl4965_sens_energy_cck(struct iwl_priv *priv,
-				   u32 norm_fa,
-				   u32 rx_enable_time,
-				   struct statistics_general_data *rx_info)
-{
-	u32 max_nrg_cck = 0;
-	int i = 0;
-	u8 max_silence_rssi = 0;
-	u32 silence_ref = 0;
-	u8 silence_rssi_a = 0;
-	u8 silence_rssi_b = 0;
-	u8 silence_rssi_c = 0;
-	u32 val;
-
-	/* "false_alarms" values below are cross-multiplications to assess the
-	 *   numbers of false alarms within the measured period of actual Rx
-	 *   (Rx is off when we're txing), vs the min/max expected false alarms
-	 *   (some should be expected if rx is sensitive enough) in a
-	 *   hypothetical listening period of 200 time units (TU), 204.8 msec:
-	 *
-	 * MIN_FA/fixed-time < false_alarms/actual-rx-time < MAX_FA/beacon-time
-	 *
-	 * */
-	u32 false_alarms = norm_fa * 200 * 1024;
-	u32 max_false_alarms = MAX_FA_CCK * rx_enable_time;
-	u32 min_false_alarms = MIN_FA_CCK * rx_enable_time;
-	struct iwl4965_sensitivity_data *data = NULL;
-
-	data = &(priv->sensitivity_data);
-
-	data->nrg_auto_corr_silence_diff = 0;
-
-	/* Find max silence rssi among all 3 receivers.
-	 * This is background noise, which may include transmissions from other
-	 *    networks, measured during silence before our network's beacon */
-	silence_rssi_a = (u8)((rx_info->beacon_silence_rssi_a &
-			    ALL_BAND_FILTER) >> 8);
-	silence_rssi_b = (u8)((rx_info->beacon_silence_rssi_b &
-			    ALL_BAND_FILTER) >> 8);
-	silence_rssi_c = (u8)((rx_info->beacon_silence_rssi_c &
-			    ALL_BAND_FILTER) >> 8);
-
-	val = max(silence_rssi_b, silence_rssi_c);
-	max_silence_rssi = max(silence_rssi_a, (u8) val);
-
-	/* Store silence rssi in 20-beacon history table */
-	data->nrg_silence_rssi[data->nrg_silence_idx] = max_silence_rssi;
-	data->nrg_silence_idx++;
-	if (data->nrg_silence_idx >= NRG_NUM_PREV_STAT_L)
-		data->nrg_silence_idx = 0;
-
-	/* Find max silence rssi across 20 beacon history */
-	for (i = 0; i < NRG_NUM_PREV_STAT_L; i++) {
-		val = data->nrg_silence_rssi[i];
-		silence_ref = max(silence_ref, val);
-	}
-	IWL_DEBUG_CALIB("silence a %u, b %u, c %u, 20-bcn max %u\n",
-			silence_rssi_a, silence_rssi_b, silence_rssi_c,
-			silence_ref);
-
-	/* Find max rx energy (min value!) among all 3 receivers,
-	 *   measured during beacon frame.
-	 * Save it in 10-beacon history table. */
-	i = data->nrg_energy_idx;
-	val = min(rx_info->beacon_energy_b, rx_info->beacon_energy_c);
-	data->nrg_value[i] = min(rx_info->beacon_energy_a, val);
-
-	data->nrg_energy_idx++;
-	if (data->nrg_energy_idx >= 10)
-		data->nrg_energy_idx = 0;
-
-	/* Find min rx energy (max value) across 10 beacon history.
-	 * This is the minimum signal level that we want to receive well.
-	 * Add backoff (margin so we don't miss slightly lower energy frames).
-	 * This establishes an upper bound (min value) for energy threshold. */
-	max_nrg_cck = data->nrg_value[0];
-	for (i = 1; i < 10; i++)
-		max_nrg_cck = (u32) max(max_nrg_cck, (data->nrg_value[i]));
-	max_nrg_cck += 6;
-
-	IWL_DEBUG_CALIB("rx energy a %u, b %u, c %u, 10-bcn max/min %u\n",
-			rx_info->beacon_energy_a, rx_info->beacon_energy_b,
-			rx_info->beacon_energy_c, max_nrg_cck - 6);
-
-	/* Count number of consecutive beacons with fewer-than-desired
-	 *   false alarms. */
-	if (false_alarms < min_false_alarms)
-		data->num_in_cck_no_fa++;
-	else
-		data->num_in_cck_no_fa = 0;
-	IWL_DEBUG_CALIB("consecutive bcns with few false alarms = %u\n",
-			data->num_in_cck_no_fa);
-
-	/* If we got too many false alarms this time, reduce sensitivity */
-	if (false_alarms > max_false_alarms) {
-		IWL_DEBUG_CALIB("norm FA %u > max FA %u\n",
-			     false_alarms, max_false_alarms);
-		IWL_DEBUG_CALIB("... reducing sensitivity\n");
-		data->nrg_curr_state = IWL_FA_TOO_MANY;
-
-		if (data->auto_corr_cck > AUTO_CORR_MAX_TH_CCK) {
-			/* Store for "fewer than desired" on later beacon */
-			data->nrg_silence_ref = silence_ref;
-
-			/* increase energy threshold (reduce nrg value)
-			 *   to decrease sensitivity */
-			if (data->nrg_th_cck > (NRG_MAX_CCK + NRG_STEP_CCK))
-				data->nrg_th_cck = data->nrg_th_cck
-							 - NRG_STEP_CCK;
-		}
-
-		/* increase auto_corr values to decrease sensitivity */
-		if (data->auto_corr_cck < AUTO_CORR_MAX_TH_CCK)
-			data->auto_corr_cck = AUTO_CORR_MAX_TH_CCK + 1;
-		else {
-			val = data->auto_corr_cck + AUTO_CORR_STEP_CCK;
-			data->auto_corr_cck = min((u32)AUTO_CORR_MAX_CCK, val);
-		}
-		val = data->auto_corr_cck_mrc + AUTO_CORR_STEP_CCK;
-		data->auto_corr_cck_mrc = min((u32)AUTO_CORR_MAX_CCK_MRC, val);
-
-	/* Else if we got fewer than desired, increase sensitivity */
-	} else if (false_alarms < min_false_alarms) {
-		data->nrg_curr_state = IWL_FA_TOO_FEW;
-
-		/* Compare silence level with silence level for most recent
-		 *   healthy number or too many false alarms */
-		data->nrg_auto_corr_silence_diff = (s32)data->nrg_silence_ref -
-						   (s32)silence_ref;
-
-		IWL_DEBUG_CALIB("norm FA %u < min FA %u, silence diff %d\n",
-			 false_alarms, min_false_alarms,
-			 data->nrg_auto_corr_silence_diff);
-
-		/* Increase value to increase sensitivity, but only if:
-		 * 1a) previous beacon did *not* have *too many* false alarms
-		 * 1b) AND there's a significant difference in Rx levels
-		 *      from a previous beacon with too many, or healthy # FAs
-		 * OR 2) We've seen a lot of beacons (100) with too few
-		 *       false alarms */
-		if ((data->nrg_prev_state != IWL_FA_TOO_MANY) &&
-			((data->nrg_auto_corr_silence_diff > NRG_DIFF) ||
-			(data->num_in_cck_no_fa > MAX_NUMBER_CCK_NO_FA))) {
-
-			IWL_DEBUG_CALIB("... increasing sensitivity\n");
-			/* Increase nrg value to increase sensitivity */
-			val = data->nrg_th_cck + NRG_STEP_CCK;
-			data->nrg_th_cck = min((u32)NRG_MIN_CCK, val);
-
-			/* Decrease auto_corr values to increase sensitivity */
-			val = data->auto_corr_cck - AUTO_CORR_STEP_CCK;
-			data->auto_corr_cck = max((u32)AUTO_CORR_MIN_CCK, val);
-
-			val = data->auto_corr_cck_mrc - AUTO_CORR_STEP_CCK;
-			data->auto_corr_cck_mrc =
-					 max((u32)AUTO_CORR_MIN_CCK_MRC, val);
-
-		} else
-			IWL_DEBUG_CALIB("... but not changing sensitivity\n");
-
-	/* Else we got a healthy number of false alarms, keep status quo */
-	} else {
-		IWL_DEBUG_CALIB(" FA in safe zone\n");
-		data->nrg_curr_state = IWL_FA_GOOD_RANGE;
-
-		/* Store for use in "fewer than desired" with later beacon */
-		data->nrg_silence_ref = silence_ref;
-
-		/* If previous beacon had too many false alarms,
-		 *   give it some extra margin by reducing sensitivity again
-		 *   (but don't go below measured energy of desired Rx) */
-		if (IWL_FA_TOO_MANY == data->nrg_prev_state) {
-			IWL_DEBUG_CALIB("... increasing margin\n");
-			data->nrg_th_cck -= NRG_MARGIN;
-		}
-	}
-
-	/* Make sure the energy threshold does not go above the measured
-	 * energy of the desired Rx signals (reduced by backoff margin),
-	 * or else we might start missing Rx frames.
-	 * Lower value is higher energy, so we use max()!
-	 */
-	data->nrg_th_cck = max(max_nrg_cck, data->nrg_th_cck);
-	IWL_DEBUG_CALIB("new nrg_th_cck %u\n", data->nrg_th_cck);
-
-	data->nrg_prev_state = data->nrg_curr_state;
-
-	return 0;
-}
-
-
-static int iwl4965_sens_auto_corr_ofdm(struct iwl_priv *priv,
-				       u32 norm_fa,
-				       u32 rx_enable_time)
-{
-	u32 val;
-	u32 false_alarms = norm_fa * 200 * 1024;
-	u32 max_false_alarms = MAX_FA_OFDM * rx_enable_time;
-	u32 min_false_alarms = MIN_FA_OFDM * rx_enable_time;
-	struct iwl4965_sensitivity_data *data = NULL;
-
-	data = &(priv->sensitivity_data);
-
-	/* If we got too many false alarms this time, reduce sensitivity */
-	if (false_alarms > max_false_alarms) {
-
-		IWL_DEBUG_CALIB("norm FA %u > max FA %u)\n",
-			     false_alarms, max_false_alarms);
-
-		val = data->auto_corr_ofdm + AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm =
-				min((u32)AUTO_CORR_MAX_OFDM, val);
-
-		val = data->auto_corr_ofdm_mrc + AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm_mrc =
-				min((u32)AUTO_CORR_MAX_OFDM_MRC, val);
-
-		val = data->auto_corr_ofdm_x1 + AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm_x1 =
-				min((u32)AUTO_CORR_MAX_OFDM_X1, val);
-
-		val = data->auto_corr_ofdm_mrc_x1 + AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm_mrc_x1 =
-				min((u32)AUTO_CORR_MAX_OFDM_MRC_X1, val);
-	}
-
-	/* Else if we got fewer than desired, increase sensitivity */
-	else if (false_alarms < min_false_alarms) {
-
-		IWL_DEBUG_CALIB("norm FA %u < min FA %u\n",
-			     false_alarms, min_false_alarms);
-
-		val = data->auto_corr_ofdm - AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm =
-				max((u32)AUTO_CORR_MIN_OFDM, val);
-
-		val = data->auto_corr_ofdm_mrc - AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm_mrc =
-				max((u32)AUTO_CORR_MIN_OFDM_MRC, val);
-
-		val = data->auto_corr_ofdm_x1 - AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm_x1 =
-				max((u32)AUTO_CORR_MIN_OFDM_X1, val);
-
-		val = data->auto_corr_ofdm_mrc_x1 - AUTO_CORR_STEP_OFDM;
-		data->auto_corr_ofdm_mrc_x1 =
-				max((u32)AUTO_CORR_MIN_OFDM_MRC_X1, val);
-	}
+	iwl4965_apm_stop_master(priv);
 
-	else
-		IWL_DEBUG_CALIB("min FA %u < norm FA %u < max FA %u OK\n",
-			 min_false_alarms, false_alarms, max_false_alarms);
+	spin_lock_irqsave(&priv->lock, flags);
 
-	return 0;
-}
+	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
 
-static int iwl4965_sensitivity_callback(struct iwl_priv *priv,
-				    struct iwl_cmd *cmd, struct sk_buff *skb)
-{
-	/* We didn't cache the SKB; let the caller free it */
-	return 1;
-}
+	udelay(10);
 
-/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */
-static int iwl4965_sensitivity_write(struct iwl_priv *priv, u8 flags)
-{
-	struct iwl4965_sensitivity_cmd cmd ;
-	struct iwl4965_sensitivity_data *data = NULL;
-	struct iwl_host_cmd cmd_out = {
-		.id = SENSITIVITY_CMD,
-		.len = sizeof(struct iwl4965_sensitivity_cmd),
-		.meta.flags = flags,
-		.data = &cmd,
-	};
-	int ret;
+	/* FIXME: put here L1A -L0S w/a */
 
-	data = &(priv->sensitivity_data);
-
-	memset(&cmd, 0, sizeof(cmd));
-
-	cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX] =
-				cpu_to_le16((u16)data->auto_corr_ofdm);
-	cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX] =
-				cpu_to_le16((u16)data->auto_corr_ofdm_mrc);
-	cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX] =
-				cpu_to_le16((u16)data->auto_corr_ofdm_x1);
-	cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX] =
-				cpu_to_le16((u16)data->auto_corr_ofdm_mrc_x1);
-
-	cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX] =
-				cpu_to_le16((u16)data->auto_corr_cck);
-	cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX] =
-				cpu_to_le16((u16)data->auto_corr_cck_mrc);
-
-	cmd.table[HD_MIN_ENERGY_CCK_DET_INDEX] =
-				cpu_to_le16((u16)data->nrg_th_cck);
-	cmd.table[HD_MIN_ENERGY_OFDM_DET_INDEX] =
-				cpu_to_le16((u16)data->nrg_th_ofdm);
-
-	cmd.table[HD_BARKER_CORR_TH_ADD_MIN_INDEX] =
-				__constant_cpu_to_le16(190);
-	cmd.table[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] =
-				__constant_cpu_to_le16(390);
-	cmd.table[HD_OFDM_ENERGY_TH_IN_INDEX] =
-				__constant_cpu_to_le16(62);
-
-	IWL_DEBUG_CALIB("ofdm: ac %u mrc %u x1 %u mrc_x1 %u thresh %u\n",
-			data->auto_corr_ofdm, data->auto_corr_ofdm_mrc,
-			data->auto_corr_ofdm_x1, data->auto_corr_ofdm_mrc_x1,
-			data->nrg_th_ofdm);
-
-	IWL_DEBUG_CALIB("cck: ac %u mrc %u thresh %u\n",
-			data->auto_corr_cck, data->auto_corr_cck_mrc,
-			data->nrg_th_cck);
-
-	/* Update uCode's "work" table, and copy it to DSP */
-	cmd.control = SENSITIVITY_CMD_CONTROL_WORK_TABLE;
-
-	if (flags & CMD_ASYNC)
-		cmd_out.meta.u.callback = iwl4965_sensitivity_callback;
-
-	/* Don't send command to uCode if nothing has changed */
-	if (!memcmp(&cmd.table[0], &(priv->sensitivity_tbl[0]),
-		    sizeof(u16)*HD_TABLE_SIZE)) {
-		IWL_DEBUG_CALIB("No change in SENSITIVITY_CMD\n");
-		return 0;
-	}
+	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
 
-	/* Copy table for comparison next time */
-	memcpy(&(priv->sensitivity_tbl[0]), &(cmd.table[0]),
-	       sizeof(u16)*HD_TABLE_SIZE);
+	ret = iwl_poll_bit(priv, CSR_RESET,
+			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25);
 
-	ret = iwl_send_cmd(priv, &cmd_out);
 	if (ret)
-		IWL_ERROR("SENSITIVITY_CMD failed\n");
-
-	return ret;
-}
-
-void iwl4965_init_sensitivity(struct iwl_priv *priv, u8 flags, u8 force)
-{
-	struct iwl4965_sensitivity_data *data = NULL;
-	int i;
-	int ret  = 0;
-
-	IWL_DEBUG_CALIB("Start iwl4965_init_sensitivity\n");
-
-	if (force)
-		memset(&(priv->sensitivity_tbl[0]), 0,
-			sizeof(u16)*HD_TABLE_SIZE);
-
-	/* Clear driver's sensitivity algo data */
-	data = &(priv->sensitivity_data);
-	memset(data, 0, sizeof(struct iwl4965_sensitivity_data));
+		goto out;
 
-	data->num_in_cck_no_fa = 0;
-	data->nrg_curr_state = IWL_FA_TOO_MANY;
-	data->nrg_prev_state = IWL_FA_TOO_MANY;
-	data->nrg_silence_ref = 0;
-	data->nrg_silence_idx = 0;
-	data->nrg_energy_idx = 0;
+	udelay(10);
 
-	for (i = 0; i < 10; i++)
-		data->nrg_value[i] = 0;
+	ret = iwl_grab_nic_access(priv);
+	if (ret)
+		goto out;
+	/* Enable DMA and BSM Clock */
+	iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT |
+					      APMG_CLK_VAL_BSM_CLK_RQT);
 
-	for (i = 0; i < NRG_NUM_PREV_STAT_L; i++)
-		data->nrg_silence_rssi[i] = 0;
+	udelay(10);
 
-	data->auto_corr_ofdm = 90;
-	data->auto_corr_ofdm_mrc = 170;
-	data->auto_corr_ofdm_x1  = 105;
-	data->auto_corr_ofdm_mrc_x1 = 220;
-	data->auto_corr_cck = AUTO_CORR_CCK_MIN_VAL_DEF;
-	data->auto_corr_cck_mrc = 200;
-	data->nrg_th_cck = 100;
-	data->nrg_th_ofdm = 100;
+	/* disable L1A */
+	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
+			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
 
-	data->last_bad_plcp_cnt_ofdm = 0;
-	data->last_fa_cnt_ofdm = 0;
-	data->last_bad_plcp_cnt_cck = 0;
-	data->last_fa_cnt_cck = 0;
+	iwl_release_nic_access(priv);
 
-	/* Clear prior Sensitivity command data to force send to uCode */
-	if (force)
-		memset(&(priv->sensitivity_tbl[0]), 0,
-		    sizeof(u16)*HD_TABLE_SIZE);
+	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+	wake_up_interruptible(&priv->wait_command_queue);
 
-	ret |= iwl4965_sensitivity_write(priv, flags);
-	IWL_DEBUG_CALIB("<<return 0x%X\n", ret);
+out:
+	spin_unlock_irqrestore(&priv->lock, flags);
 
-	return;
+	return ret;
 }
 
-
 /* Reset differential Rx gains in NIC to prepare for chain noise calibration.
  * Called after every association, but this runs only once!
  *  ... once chain noise is calibrated the first time, it's good forever.  */
-void iwl4965_chain_noise_reset(struct iwl_priv *priv)
+static void iwl4965_chain_noise_reset(struct iwl_priv *priv)
 {
-	struct iwl4965_chain_noise_data *data = NULL;
+	struct iwl_chain_noise_data *data = &(priv->chain_noise_data);
 
-	data = &(priv->chain_noise_data);
 	if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
 		struct iwl4965_calibration_cmd cmd;
 
@@ -1452,388 +578,89 @@ void iwl4965_chain_noise_reset(struct iwl_priv *priv)
 		cmd.diff_gain_a = 0;
 		cmd.diff_gain_b = 0;
 		cmd.diff_gain_c = 0;
-		iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
-				 sizeof(cmd), &cmd, NULL);
-		msleep(4);
+		if (iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
+				 sizeof(cmd), &cmd))
+			IWL_ERROR("Could not send REPLY_PHY_CALIBRATION_CMD\n");
 		data->state = IWL_CHAIN_NOISE_ACCUMULATE;
 		IWL_DEBUG_CALIB("Run chain_noise_calibrate\n");
 	}
-	return;
 }
 
-/*
- * Accumulate 20 beacons of signal and noise statistics for each of
- *   3 receivers/antennas/rx-chains, then figure out:
- * 1)  Which antennas are connected.
- * 2)  Differential rx gain settings to balance the 3 receivers.
- */
-static void iwl4965_noise_calibration(struct iwl_priv *priv,
-				      struct iwl4965_notif_statistics *stat_resp)
+static void iwl4965_gain_computation(struct iwl_priv *priv,
+		u32 *average_noise,
+		u16 min_average_noise_antenna_i,
+		u32 min_average_noise)
 {
-	struct iwl4965_chain_noise_data *data = NULL;
-	int ret = 0;
-
-	u32 chain_noise_a;
-	u32 chain_noise_b;
-	u32 chain_noise_c;
-	u32 chain_sig_a;
-	u32 chain_sig_b;
-	u32 chain_sig_c;
-	u32 average_sig[NUM_RX_CHAINS] = {INITIALIZATION_VALUE};
-	u32 average_noise[NUM_RX_CHAINS] = {INITIALIZATION_VALUE};
-	u32 max_average_sig;
-	u16 max_average_sig_antenna_i;
-	u32 min_average_noise = MIN_AVERAGE_NOISE_MAX_VALUE;
-	u16 min_average_noise_antenna_i = INITIALIZATION_VALUE;
-	u16 i = 0;
-	u16 chan_num = INITIALIZATION_VALUE;
-	u32 band = INITIALIZATION_VALUE;
-	u32 active_chains = 0;
-	unsigned long flags;
-	struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general);
-
-	data = &(priv->chain_noise_data);
-
-	/* Accumulate just the first 20 beacons after the first association,
-	 *   then we're done forever. */
-	if (data->state != IWL_CHAIN_NOISE_ACCUMULATE) {
-		if (data->state == IWL_CHAIN_NOISE_ALIVE)
-			IWL_DEBUG_CALIB("Wait for noise calib reset\n");
-		return;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-	if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) {
-		IWL_DEBUG_CALIB(" << Interference data unavailable\n");
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return;
-	}
-
-	band = (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) ? 0 : 1;
-	chan_num = le16_to_cpu(priv->staging_rxon.channel);
-
-	/* Make sure we accumulate data for just the associated channel
-	 *   (even if scanning). */
-	if ((chan_num != (le32_to_cpu(stat_resp->flag) >> 16)) ||
-	    ((STATISTICS_REPLY_FLG_BAND_24G_MSK ==
-	     (stat_resp->flag & STATISTICS_REPLY_FLG_BAND_24G_MSK)) && band)) {
-		IWL_DEBUG_CALIB("Stats not from chan=%d, band=%d\n",
-				chan_num, band);
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return;
-	}
-
-	/* Accumulate beacon statistics values across 20 beacons */
-	chain_noise_a = le32_to_cpu(rx_info->beacon_silence_rssi_a) &
-				IN_BAND_FILTER;
-	chain_noise_b = le32_to_cpu(rx_info->beacon_silence_rssi_b) &
-				IN_BAND_FILTER;
-	chain_noise_c = le32_to_cpu(rx_info->beacon_silence_rssi_c) &
-				IN_BAND_FILTER;
-
-	chain_sig_a = le32_to_cpu(rx_info->beacon_rssi_a) & IN_BAND_FILTER;
-	chain_sig_b = le32_to_cpu(rx_info->beacon_rssi_b) & IN_BAND_FILTER;
-	chain_sig_c = le32_to_cpu(rx_info->beacon_rssi_c) & IN_BAND_FILTER;
+	int i, ret;
+	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
 
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	data->beacon_count++;
-
-	data->chain_noise_a = (chain_noise_a + data->chain_noise_a);
-	data->chain_noise_b = (chain_noise_b + data->chain_noise_b);
-	data->chain_noise_c = (chain_noise_c + data->chain_noise_c);
-
-	data->chain_signal_a = (chain_sig_a + data->chain_signal_a);
-	data->chain_signal_b = (chain_sig_b + data->chain_signal_b);
-	data->chain_signal_c = (chain_sig_c + data->chain_signal_c);
-
-	IWL_DEBUG_CALIB("chan=%d, band=%d, beacon=%d\n", chan_num, band,
-			data->beacon_count);
-	IWL_DEBUG_CALIB("chain_sig: a %d b %d c %d\n",
-			chain_sig_a, chain_sig_b, chain_sig_c);
-	IWL_DEBUG_CALIB("chain_noise: a %d b %d c %d\n",
-			chain_noise_a, chain_noise_b, chain_noise_c);
-
-	/* If this is the 20th beacon, determine:
-	 * 1)  Disconnected antennas (using signal strengths)
-	 * 2)  Differential gain (using silence noise) to balance receivers */
-	if (data->beacon_count == CAL_NUM_OF_BEACONS) {
-
-		/* Analyze signal for disconnected antenna */
-		average_sig[0] = (data->chain_signal_a) / CAL_NUM_OF_BEACONS;
-		average_sig[1] = (data->chain_signal_b) / CAL_NUM_OF_BEACONS;
-		average_sig[2] = (data->chain_signal_c) / CAL_NUM_OF_BEACONS;
-
-		if (average_sig[0] >= average_sig[1]) {
-			max_average_sig = average_sig[0];
-			max_average_sig_antenna_i = 0;
-			active_chains = (1 << max_average_sig_antenna_i);
-		} else {
-			max_average_sig = average_sig[1];
-			max_average_sig_antenna_i = 1;
-			active_chains = (1 << max_average_sig_antenna_i);
-		}
-
-		if (average_sig[2] >= max_average_sig) {
-			max_average_sig = average_sig[2];
-			max_average_sig_antenna_i = 2;
-			active_chains = (1 << max_average_sig_antenna_i);
-		}
-
-		IWL_DEBUG_CALIB("average_sig: a %d b %d c %d\n",
-			     average_sig[0], average_sig[1], average_sig[2]);
-		IWL_DEBUG_CALIB("max_average_sig = %d, antenna %d\n",
-			     max_average_sig, max_average_sig_antenna_i);
-
-		/* Compare signal strengths for all 3 receivers. */
-		for (i = 0; i < NUM_RX_CHAINS; i++) {
-			if (i != max_average_sig_antenna_i) {
-				s32 rssi_delta = (max_average_sig -
-						  average_sig[i]);
-
-				/* If signal is very weak, compared with
-				 * strongest, mark it as disconnected. */
-				if (rssi_delta > MAXIMUM_ALLOWED_PATHLOSS)
-					data->disconn_array[i] = 1;
-				else
-					active_chains |= (1 << i);
-			IWL_DEBUG_CALIB("i = %d  rssiDelta = %d  "
-				     "disconn_array[i] = %d\n",
-				     i, rssi_delta, data->disconn_array[i]);
-			}
-		}
-
-		/*If both chains A & B are disconnected -
-		 * connect B and leave A as is */
-		if (data->disconn_array[CHAIN_A] &&
-		    data->disconn_array[CHAIN_B]) {
-			data->disconn_array[CHAIN_B] = 0;
-			active_chains |= (1 << CHAIN_B);
-			IWL_DEBUG_CALIB("both A & B chains are disconnected! "
-				     "W/A - declare B as connected\n");
-		}
+	data->delta_gain_code[min_average_noise_antenna_i] = 0;
 
-		IWL_DEBUG_CALIB("active_chains (bitwise) = 0x%x\n",
-				active_chains);
+	for (i = 0; i < NUM_RX_CHAINS; i++) {
+		s32 delta_g = 0;
 
-		/* Save for use within RXON, TX, SCAN commands, etc. */
-		priv->valid_antenna = active_chains;
-
-		/* Analyze noise for rx balance */
-		average_noise[0] = ((data->chain_noise_a)/CAL_NUM_OF_BEACONS);
-		average_noise[1] = ((data->chain_noise_b)/CAL_NUM_OF_BEACONS);
-		average_noise[2] = ((data->chain_noise_c)/CAL_NUM_OF_BEACONS);
-
-		for (i = 0; i < NUM_RX_CHAINS; i++) {
-			if (!(data->disconn_array[i]) &&
-			   (average_noise[i] <= min_average_noise)) {
-				/* This means that chain i is active and has
-				 * lower noise values so far: */
-				min_average_noise = average_noise[i];
-				min_average_noise_antenna_i = i;
-			}
-		}
-
-		data->delta_gain_code[min_average_noise_antenna_i] = 0;
-
-		IWL_DEBUG_CALIB("average_noise: a %d b %d c %d\n",
-				average_noise[0], average_noise[1],
-				average_noise[2]);
-
-		IWL_DEBUG_CALIB("min_average_noise = %d, antenna %d\n",
-				min_average_noise, min_average_noise_antenna_i);
-
-		for (i = 0; i < NUM_RX_CHAINS; i++) {
-			s32 delta_g = 0;
-
-			if (!(data->disconn_array[i]) &&
-			    (data->delta_gain_code[i] ==
+		if (!(data->disconn_array[i]) &&
+		    (data->delta_gain_code[i] ==
 			     CHAIN_NOISE_DELTA_GAIN_INIT_VAL)) {
-				delta_g = average_noise[i] - min_average_noise;
-				data->delta_gain_code[i] = (u8)((delta_g *
-								    10) / 15);
-				if (CHAIN_NOISE_MAX_DELTA_GAIN_CODE <
-				   data->delta_gain_code[i])
-					data->delta_gain_code[i] =
-					  CHAIN_NOISE_MAX_DELTA_GAIN_CODE;
-
-				data->delta_gain_code[i] =
-					(data->delta_gain_code[i] | (1 << 2));
-			} else
-				data->delta_gain_code[i] = 0;
-		}
-		IWL_DEBUG_CALIB("delta_gain_codes: a %d b %d c %d\n",
-			     data->delta_gain_code[0],
-			     data->delta_gain_code[1],
-			     data->delta_gain_code[2]);
-
-		/* Differential gain gets sent to uCode only once */
-		if (!data->radio_write) {
-			struct iwl4965_calibration_cmd cmd;
-			data->radio_write = 1;
-
-			memset(&cmd, 0, sizeof(cmd));
-			cmd.opCode = PHY_CALIBRATE_DIFF_GAIN_CMD;
-			cmd.diff_gain_a = data->delta_gain_code[0];
-			cmd.diff_gain_b = data->delta_gain_code[1];
-			cmd.diff_gain_c = data->delta_gain_code[2];
-			ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
-					      sizeof(cmd), &cmd);
-			if (ret)
-				IWL_DEBUG_CALIB("fail sending cmd "
-					     "REPLY_PHY_CALIBRATION_CMD \n");
-
-			/* TODO we might want recalculate
-			 * rx_chain in rxon cmd */
-
-			/* Mark so we run this algo only once! */
-			data->state = IWL_CHAIN_NOISE_CALIBRATED;
+			delta_g = average_noise[i] - min_average_noise;
+			data->delta_gain_code[i] = (u8)((delta_g * 10) / 15);
+			data->delta_gain_code[i] =
+				min(data->delta_gain_code[i],
+				(u8) CHAIN_NOISE_MAX_DELTA_GAIN_CODE);
+
+			data->delta_gain_code[i] =
+				(data->delta_gain_code[i] | (1 << 2));
+		} else {
+			data->delta_gain_code[i] = 0;
 		}
-		data->chain_noise_a = 0;
-		data->chain_noise_b = 0;
-		data->chain_noise_c = 0;
-		data->chain_signal_a = 0;
-		data->chain_signal_b = 0;
-		data->chain_signal_c = 0;
-		data->beacon_count = 0;
-	}
-	return;
-}
-
-static void iwl4965_sensitivity_calibration(struct iwl_priv *priv,
-					    struct iwl4965_notif_statistics *resp)
-{
-	u32 rx_enable_time;
-	u32 fa_cck;
-	u32 fa_ofdm;
-	u32 bad_plcp_cck;
-	u32 bad_plcp_ofdm;
-	u32 norm_fa_ofdm;
-	u32 norm_fa_cck;
-	struct iwl4965_sensitivity_data *data = NULL;
-	struct statistics_rx_non_phy *rx_info = &(resp->rx.general);
-	struct statistics_rx *statistics = &(resp->rx);
-	unsigned long flags;
-	struct statistics_general_data statis;
-	int ret;
-
-	data = &(priv->sensitivity_data);
-
-	if (!iwl_is_associated(priv)) {
-		IWL_DEBUG_CALIB("<< - not associated\n");
-		return;
-	}
-
-	spin_lock_irqsave(&priv->lock, flags);
-	if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) {
-		IWL_DEBUG_CALIB("<< invalid data.\n");
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return;
 	}
+	IWL_DEBUG_CALIB("delta_gain_codes: a %d b %d c %d\n",
+		     data->delta_gain_code[0],
+		     data->delta_gain_code[1],
+		     data->delta_gain_code[2]);
 
-	/* Extract Statistics: */
-	rx_enable_time = le32_to_cpu(rx_info->channel_load);
-	fa_cck = le32_to_cpu(statistics->cck.false_alarm_cnt);
-	fa_ofdm = le32_to_cpu(statistics->ofdm.false_alarm_cnt);
-	bad_plcp_cck = le32_to_cpu(statistics->cck.plcp_err);
-	bad_plcp_ofdm = le32_to_cpu(statistics->ofdm.plcp_err);
-
-	statis.beacon_silence_rssi_a =
-			le32_to_cpu(statistics->general.beacon_silence_rssi_a);
-	statis.beacon_silence_rssi_b =
-			le32_to_cpu(statistics->general.beacon_silence_rssi_b);
-	statis.beacon_silence_rssi_c =
-			le32_to_cpu(statistics->general.beacon_silence_rssi_c);
-	statis.beacon_energy_a =
-			le32_to_cpu(statistics->general.beacon_energy_a);
-	statis.beacon_energy_b =
-			le32_to_cpu(statistics->general.beacon_energy_b);
-	statis.beacon_energy_c =
-			le32_to_cpu(statistics->general.beacon_energy_c);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	IWL_DEBUG_CALIB("rx_enable_time = %u usecs\n", rx_enable_time);
-
-	if (!rx_enable_time) {
-		IWL_DEBUG_CALIB("<< RX Enable Time == 0! \n");
-		return;
-	}
-
-	/* These statistics increase monotonically, and do not reset
-	 *   at each beacon.  Calculate difference from last value, or just
-	 *   use the new statistics value if it has reset or wrapped around. */
-	if (data->last_bad_plcp_cnt_cck > bad_plcp_cck)
-		data->last_bad_plcp_cnt_cck = bad_plcp_cck;
-	else {
-		bad_plcp_cck -= data->last_bad_plcp_cnt_cck;
-		data->last_bad_plcp_cnt_cck += bad_plcp_cck;
-	}
+	/* Differential gain gets sent to uCode only once */
+	if (!data->radio_write) {
+		struct iwl4965_calibration_cmd cmd;
+		data->radio_write = 1;
 
-	if (data->last_bad_plcp_cnt_ofdm > bad_plcp_ofdm)
-		data->last_bad_plcp_cnt_ofdm = bad_plcp_ofdm;
-	else {
-		bad_plcp_ofdm -= data->last_bad_plcp_cnt_ofdm;
-		data->last_bad_plcp_cnt_ofdm += bad_plcp_ofdm;
-	}
+		memset(&cmd, 0, sizeof(cmd));
+		cmd.opCode = PHY_CALIBRATE_DIFF_GAIN_CMD;
+		cmd.diff_gain_a = data->delta_gain_code[0];
+		cmd.diff_gain_b = data->delta_gain_code[1];
+		cmd.diff_gain_c = data->delta_gain_code[2];
+		ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
+				      sizeof(cmd), &cmd);
+		if (ret)
+			IWL_DEBUG_CALIB("fail sending cmd "
+				     "REPLY_PHY_CALIBRATION_CMD \n");
 
-	if (data->last_fa_cnt_ofdm > fa_ofdm)
-		data->last_fa_cnt_ofdm = fa_ofdm;
-	else {
-		fa_ofdm -= data->last_fa_cnt_ofdm;
-		data->last_fa_cnt_ofdm += fa_ofdm;
-	}
+		/* TODO we might want recalculate
+		 * rx_chain in rxon cmd */
 
-	if (data->last_fa_cnt_cck > fa_cck)
-		data->last_fa_cnt_cck = fa_cck;
-	else {
-		fa_cck -= data->last_fa_cnt_cck;
-		data->last_fa_cnt_cck += fa_cck;
+		/* Mark so we run this algo only once! */
+		data->state = IWL_CHAIN_NOISE_CALIBRATED;
 	}
-
-	/* Total aborted signal locks */
-	norm_fa_ofdm = fa_ofdm + bad_plcp_ofdm;
-	norm_fa_cck = fa_cck + bad_plcp_cck;
-
-	IWL_DEBUG_CALIB("cck: fa %u badp %u  ofdm: fa %u badp %u\n", fa_cck,
-			bad_plcp_cck, fa_ofdm, bad_plcp_ofdm);
-
-	iwl4965_sens_auto_corr_ofdm(priv, norm_fa_ofdm, rx_enable_time);
-	iwl4965_sens_energy_cck(priv, norm_fa_cck, rx_enable_time, &statis);
-	ret = iwl4965_sensitivity_write(priv, CMD_ASYNC);
-
-	return;
+	data->chain_noise_a = 0;
+	data->chain_noise_b = 0;
+	data->chain_noise_c = 0;
+	data->chain_signal_a = 0;
+	data->chain_signal_b = 0;
+	data->chain_signal_c = 0;
+	data->beacon_count = 0;
 }
 
-static void iwl4965_bg_sensitivity_work(struct work_struct *work)
+static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+			__le32 *tx_flags)
 {
-	struct iwl_priv *priv = container_of(work, struct iwl_priv,
-			sensitivity_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) {
-		iwl4965_noise_calibration(priv, &priv->statistics);
-
-		if (priv->sensitivity_data.state ==
-					IWL_SENS_CALIB_NEED_REINIT) {
-			iwl4965_init_sensitivity(priv, CMD_ASYNC, 0);
-			priv->sensitivity_data.state = IWL_SENS_CALIB_ALLOWED;
-		} else
-			iwl4965_sensitivity_calibration(priv,
-					&priv->statistics);
+	if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+		*tx_flags |= TX_CMD_FLG_RTS_MSK;
+		*tx_flags &= ~TX_CMD_FLG_CTS_MSK;
+	} else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+		*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
+		*tx_flags |= TX_CMD_FLG_CTS_MSK;
 	}
-
-	mutex_unlock(&priv->mutex);
-	return;
 }
-#endif /*CONFIG_IWL4965_SENSITIVITY*/
 
 static void iwl4965_bg_txpower_work(struct work_struct *work)
 {
@@ -1853,7 +680,7 @@ static void iwl4965_bg_txpower_work(struct work_struct *work)
 	/* Regardless of if we are assocaited, we must reconfigure the
 	 * TX power since frames can be sent on non-radar channels while
 	 * not associated */
-	iwl4965_hw_reg_send_txpower(priv);
+	iwl4965_send_tx_power(priv);
 
 	/* Update last_temperature to keep is_calib_needed from running
 	 * when it isn't needed... */
@@ -1880,7 +707,7 @@ static void iwl4965_set_wr_ptrs(struct iwl_priv *priv, int txq_id, u32 index)
  * NOTE:  Acquire priv->lock before calling this function !
  */
 static void iwl4965_tx_queue_set_status(struct iwl_priv *priv,
-					struct iwl4965_tx_queue *txq,
+					struct iwl_tx_queue *txq,
 					int tx_fifo_id, int scd_retry)
 {
 	int txq_id = txq->q.id;
@@ -1890,11 +717,11 @@ static void iwl4965_tx_queue_set_status(struct iwl_priv *priv,
 
 	/* Set up and activate */
 	iwl_write_prph(priv, IWL49_SCD_QUEUE_STATUS_BITS(txq_id),
-				 (active << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
-				 (tx_fifo_id << SCD_QUEUE_STTS_REG_POS_TXF) |
-				 (scd_retry << SCD_QUEUE_STTS_REG_POS_WSL) |
-				 (scd_retry << SCD_QUEUE_STTS_REG_POS_SCD_ACK) |
-				 SCD_QUEUE_STTS_REG_MSK);
+			 (active << IWL49_SCD_QUEUE_STTS_REG_POS_ACTIVE) |
+			 (tx_fifo_id << IWL49_SCD_QUEUE_STTS_REG_POS_TXF) |
+			 (scd_retry << IWL49_SCD_QUEUE_STTS_REG_POS_WSL) |
+			 (scd_retry << IWL49_SCD_QUEUE_STTS_REG_POS_SCD_ACK) |
+			 IWL49_SCD_QUEUE_STTS_REG_MSK);
 
 	txq->sched_retry = scd_retry;
 
@@ -1908,22 +735,12 @@ static const u16 default_queue_to_tx_fifo[] = {
 	IWL_TX_FIFO_AC2,
 	IWL_TX_FIFO_AC1,
 	IWL_TX_FIFO_AC0,
-	IWL_CMD_FIFO_NUM,
+	IWL49_CMD_FIFO_NUM,
 	IWL_TX_FIFO_HCCA_1,
 	IWL_TX_FIFO_HCCA_2
 };
 
-static inline void iwl4965_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
-{
-	set_bit(txq_id, &priv->txq_ctx_active_msk);
-}
-
-static inline void iwl4965_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
-{
-	clear_bit(txq_id, &priv->txq_ctx_active_msk);
-}
-
-int iwl4965_alive_notify(struct iwl_priv *priv)
+static int iwl4965_alive_notify(struct iwl_priv *priv)
 {
 	u32 a;
 	int i = 0;
@@ -1932,15 +749,6 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-#ifdef CONFIG_IWL4965_SENSITIVITY
-	memset(&(priv->sensitivity_data), 0,
-	       sizeof(struct iwl4965_sensitivity_data));
-	memset(&(priv->chain_noise_data), 0,
-	       sizeof(struct iwl4965_chain_noise_data));
-	for (i = 0; i < NUM_RX_CHAINS; i++)
-		priv->chain_noise_data.delta_gain_code[i] =
-				CHAIN_NOISE_DELTA_GAIN_INIT_VAL;
-#endif /* CONFIG_IWL4965_SENSITIVITY*/
 	ret = iwl_grab_nic_access(priv);
 	if (ret) {
 		spin_unlock_irqrestore(&priv->lock, flags);
@@ -1949,10 +757,10 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
 
 	/* Clear 4965's internal Tx Scheduler data base */
 	priv->scd_base_addr = iwl_read_prph(priv, IWL49_SCD_SRAM_BASE_ADDR);
-	a = priv->scd_base_addr + SCD_CONTEXT_DATA_OFFSET;
-	for (; a < priv->scd_base_addr + SCD_TX_STTS_BITMAP_OFFSET; a += 4)
+	a = priv->scd_base_addr + IWL49_SCD_CONTEXT_DATA_OFFSET;
+	for (; a < priv->scd_base_addr + IWL49_SCD_TX_STTS_BITMAP_OFFSET; a += 4)
 		iwl_write_targ_mem(priv, a, 0);
-	for (; a < priv->scd_base_addr + SCD_TRANSLATE_TBL_OFFSET; a += 4)
+	for (; a < priv->scd_base_addr + IWL49_SCD_TRANSLATE_TBL_OFFSET; a += 4)
 		iwl_write_targ_mem(priv, a, 0);
 	for (; a < sizeof(u16) * priv->hw_params.max_txq_num; a += 4)
 		iwl_write_targ_mem(priv, a, 0);
@@ -1974,160 +782,109 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
 
 		/* Max Tx Window size for Scheduler-ACK mode */
 		iwl_write_targ_mem(priv, priv->scd_base_addr +
-					SCD_CONTEXT_QUEUE_OFFSET(i),
-					(SCD_WIN_SIZE <<
-					SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) &
-					SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK);
+				IWL49_SCD_CONTEXT_QUEUE_OFFSET(i),
+				(SCD_WIN_SIZE <<
+				IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) &
+				IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK);
 
 		/* Frame limit */
 		iwl_write_targ_mem(priv, priv->scd_base_addr +
-					SCD_CONTEXT_QUEUE_OFFSET(i) +
-					sizeof(u32),
-					(SCD_FRAME_LIMIT <<
-					SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
-					SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK);
+				IWL49_SCD_CONTEXT_QUEUE_OFFSET(i) +
+				sizeof(u32),
+				(SCD_FRAME_LIMIT <<
+				IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
+				IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK);
 
 	}
 	iwl_write_prph(priv, IWL49_SCD_INTERRUPT_MASK,
 				 (1 << priv->hw_params.max_txq_num) - 1);
 
 	/* Activate all Tx DMA/FIFO channels */
-	iwl_write_prph(priv, IWL49_SCD_TXFACT,
-				 SCD_TXFACT_REG_TXFIFO_MASK(0, 7));
+	priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
 
 	iwl4965_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
 
 	/* Map each Tx/cmd queue to its corresponding fifo */
 	for (i = 0; i < ARRAY_SIZE(default_queue_to_tx_fifo); i++) {
 		int ac = default_queue_to_tx_fifo[i];
-		iwl4965_txq_ctx_activate(priv, i);
+		iwl_txq_ctx_activate(priv, i);
 		iwl4965_tx_queue_set_status(priv, &priv->txq[i], ac, 0);
 	}
 
 	iwl_release_nic_access(priv);
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	/* Ask for statistics now, the uCode will send statistics notification
-	 * periodically after association */
-	iwl_send_statistics_request(priv, CMD_ASYNC);
 	return ret;
 }
 
+static struct iwl_sensitivity_ranges iwl4965_sensitivity = {
+	.min_nrg_cck = 97,
+	.max_nrg_cck = 0,
+
+	.auto_corr_min_ofdm = 85,
+	.auto_corr_min_ofdm_mrc = 170,
+	.auto_corr_min_ofdm_x1 = 105,
+	.auto_corr_min_ofdm_mrc_x1 = 220,
+
+	.auto_corr_max_ofdm = 120,
+	.auto_corr_max_ofdm_mrc = 210,
+	.auto_corr_max_ofdm_x1 = 140,
+	.auto_corr_max_ofdm_mrc_x1 = 270,
+
+	.auto_corr_min_cck = 125,
+	.auto_corr_max_cck = 200,
+	.auto_corr_min_cck_mrc = 200,
+	.auto_corr_max_cck_mrc = 400,
+
+	.nrg_th_cck = 100,
+	.nrg_th_ofdm = 100,
+};
+
 /**
  * iwl4965_hw_set_hw_params
  *
  * Called when initializing driver
  */
-int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
+static int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
 {
 
-	if ((priv->cfg->mod_params->num_of_queues > IWL4965_MAX_NUM_QUEUES) ||
+	if ((priv->cfg->mod_params->num_of_queues > IWL49_NUM_QUEUES) ||
 	    (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) {
 		IWL_ERROR("invalid queues_num, should be between %d and %d\n",
-			  IWL_MIN_NUM_QUEUES, IWL4965_MAX_NUM_QUEUES);
+			  IWL_MIN_NUM_QUEUES, IWL49_NUM_QUEUES);
 		return -EINVAL;
 	}
 
 	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
-	priv->hw_params.tx_cmd_len = sizeof(struct iwl4965_tx_cmd);
-	priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
-	priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
-	if (priv->cfg->mod_params->amsdu_size_8K)
-		priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K;
-	else
-		priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K;
-	priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256;
+	priv->hw_params.first_ampdu_q = IWL49_FIRST_AMPDU_QUEUE;
 	priv->hw_params.max_stations = IWL4965_STATION_COUNT;
 	priv->hw_params.bcast_sta_id = IWL4965_BROADCAST_ID;
+	priv->hw_params.max_data_size = IWL49_RTC_DATA_SIZE;
+	priv->hw_params.max_inst_size = IWL49_RTC_INST_SIZE;
+	priv->hw_params.max_bsm_size = BSM_SRAM_SIZE;
+	priv->hw_params.fat_channel = BIT(IEEE80211_BAND_5GHZ);
 
 	priv->hw_params.tx_chains_num = 2;
 	priv->hw_params.rx_chains_num = 2;
-	priv->hw_params.valid_tx_ant = (IWL_ANTENNA_MAIN | IWL_ANTENNA_AUX);
-	priv->hw_params.valid_rx_ant = (IWL_ANTENNA_MAIN | IWL_ANTENNA_AUX);
-
-	return 0;
-}
-
-/**
- * iwl4965_hw_txq_ctx_free - Free TXQ Context
- *
- * Destroy all TX DMA queues and structures
- */
-void iwl4965_hw_txq_ctx_free(struct iwl_priv *priv)
-{
-	int txq_id;
-
-	/* Tx queues */
-	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
-		iwl4965_tx_queue_free(priv, &priv->txq[txq_id]);
-
-	/* Keep-warm buffer */
-	iwl4965_kw_free(priv);
-}
+	priv->hw_params.valid_tx_ant = ANT_A | ANT_B;
+	priv->hw_params.valid_rx_ant = ANT_A | ANT_B;
+	priv->hw_params.ct_kill_threshold = CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD);
 
-/**
- * iwl4965_hw_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr]
- *
- * Does NOT advance any TFD circular buffer read/write indexes
- * Does NOT free the TFD itself (which is within circular buffer)
- */
-int iwl4965_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl4965_tx_queue *txq)
-{
-	struct iwl4965_tfd_frame *bd_tmp = (struct iwl4965_tfd_frame *)&txq->bd[0];
-	struct iwl4965_tfd_frame *bd = &bd_tmp[txq->q.read_ptr];
-	struct pci_dev *dev = priv->pci_dev;
-	int i;
-	int counter = 0;
-	int index, is_odd;
+	priv->hw_params.sens = &iwl4965_sensitivity;
 
-	/* Host command buffers stay mapped in memory, nothing to clean */
-	if (txq->q.id == IWL_CMD_QUEUE_NUM)
-		return 0;
-
-	/* Sanity check on number of chunks */
-	counter = IWL_GET_BITS(*bd, num_tbs);
-	if (counter > MAX_NUM_OF_TBS) {
-		IWL_ERROR("Too many chunks: %i\n", counter);
-		/* @todo issue fatal error, it is quite serious situation */
-		return 0;
-	}
-
-	/* Unmap chunks, if any.
-	 * TFD info for odd chunks is different format than for even chunks. */
-	for (i = 0; i < counter; i++) {
-		index = i / 2;
-		is_odd = i & 0x1;
-
-		if (is_odd)
-			pci_unmap_single(
-				dev,
-				IWL_GET_BITS(bd->pa[index], tb2_addr_lo16) |
-				(IWL_GET_BITS(bd->pa[index],
-					      tb2_addr_hi20) << 16),
-				IWL_GET_BITS(bd->pa[index], tb2_len),
-				PCI_DMA_TODEVICE);
-
-		else if (i > 0)
-			pci_unmap_single(dev,
-					 le32_to_cpu(bd->pa[index].tb1_addr),
-					 IWL_GET_BITS(bd->pa[index], tb1_len),
-					 PCI_DMA_TODEVICE);
-
-		/* Free SKB, if any, for this chunk */
-		if (txq->txb[txq->q.read_ptr].skb[i]) {
-			struct sk_buff *skb = txq->txb[txq->q.read_ptr].skb[i];
-
-			dev_kfree_skb(skb);
-			txq->txb[txq->q.read_ptr].skb[i] = NULL;
-		}
-	}
 	return 0;
 }
 
-int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power)
+/* set card power command */
+static int iwl4965_set_power(struct iwl_priv *priv,
+		      void *cmd)
 {
-	IWL_ERROR("TODO: Implement iwl4965_hw_reg_set_txpower!\n");
-	return -EINVAL;
+	int ret = 0;
+
+	ret = iwl_send_cmd_pdu_async(priv, POWER_TABLE_CMD,
+				    sizeof(struct iwl4965_powertable_cmd),
+				    cmd, NULL);
+	return ret;
 }
 
 static s32 iwl4965_math_div_round(s32 num, s32 denom, s32 *res)
@@ -2179,20 +936,6 @@ static s32 iwl4965_get_voltage_compensation(s32 eeprom_voltage,
 	return comp;
 }
 
-static const struct iwl_channel_info *
-iwl4965_get_channel_txpower_info(struct iwl_priv *priv,
-				 enum ieee80211_band band, u16 channel)
-{
-	const struct iwl_channel_info *ch_info;
-
-	ch_info = iwl_get_channel_info(priv, band, channel);
-
-	if (!is_channel_valid(ch_info))
-		return NULL;
-
-	return ch_info;
-}
-
 static s32 iwl4965_get_tx_atten_grp(u16 channel)
 {
 	if (channel >= CALIB_IWL_TX_ATTEN_GR5_FCH &&
@@ -2224,11 +967,11 @@ static u32 iwl4965_get_sub_band(const struct iwl_priv *priv, u32 channel)
 	s32 b = -1;
 
 	for (b = 0; b < EEPROM_TX_POWER_BANDS; b++) {
-		if (priv->eeprom.calib_info.band_info[b].ch_from == 0)
+		if (priv->calib_info->band_info[b].ch_from == 0)
 			continue;
 
-		if ((channel >= priv->eeprom.calib_info.band_info[b].ch_from)
-		    && (channel <= priv->eeprom.calib_info.band_info[b].ch_to))
+		if ((channel >= priv->calib_info->band_info[b].ch_from)
+		    && (channel <= priv->calib_info->band_info[b].ch_to))
 			break;
 	}
 
@@ -2256,14 +999,14 @@ static s32 iwl4965_interpolate_value(s32 x, s32 x1, s32 y1, s32 x2, s32 y2)
  * in channel number.
  */
 static int iwl4965_interpolate_chan(struct iwl_priv *priv, u32 channel,
-				    struct iwl4965_eeprom_calib_ch_info *chan_info)
+				    struct iwl_eeprom_calib_ch_info *chan_info)
 {
 	s32 s = -1;
 	u32 c;
 	u32 m;
-	const struct iwl4965_eeprom_calib_measure *m1;
-	const struct iwl4965_eeprom_calib_measure *m2;
-	struct iwl4965_eeprom_calib_measure *omeas;
+	const struct iwl_eeprom_calib_measure *m1;
+	const struct iwl_eeprom_calib_measure *m2;
+	struct iwl_eeprom_calib_measure *omeas;
 	u32 ch_i1;
 	u32 ch_i2;
 
@@ -2273,8 +1016,8 @@ static int iwl4965_interpolate_chan(struct iwl_priv *priv, u32 channel,
 		return -1;
 	}
 
-	ch_i1 = priv->eeprom.calib_info.band_info[s].ch1.ch_num;
-	ch_i2 = priv->eeprom.calib_info.band_info[s].ch2.ch_num;
+	ch_i1 = priv->calib_info->band_info[s].ch1.ch_num;
+	ch_i2 = priv->calib_info->band_info[s].ch2.ch_num;
 	chan_info->ch_num = (u8) channel;
 
 	IWL_DEBUG_TXPOWER("channel %d subband %d factory cal ch %d & %d\n",
@@ -2282,9 +1025,9 @@ static int iwl4965_interpolate_chan(struct iwl_priv *priv, u32 channel,
 
 	for (c = 0; c < EEPROM_TX_POWER_TX_CHAINS; c++) {
 		for (m = 0; m < EEPROM_TX_POWER_MEASUREMENTS; m++) {
-			m1 = &(priv->eeprom.calib_info.band_info[s].ch1.
+			m1 = &(priv->calib_info->band_info[s].ch1.
 			       measurements[c][m]);
-			m2 = &(priv->eeprom.calib_info.band_info[s].ch2.
+			m2 = &(priv->calib_info->band_info[s].ch2.
 			       measurements[c][m]);
 			omeas = &(chan_info->measurements[c][m]);
 
@@ -2603,8 +1346,8 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel,
 	int i;
 	int c;
 	const struct iwl_channel_info *ch_info = NULL;
-	struct iwl4965_eeprom_calib_ch_info ch_eeprom_info;
-	const struct iwl4965_eeprom_calib_measure *measurement;
+	struct iwl_eeprom_calib_ch_info ch_eeprom_info;
+	const struct iwl_eeprom_calib_measure *measurement;
 	s16 voltage;
 	s32 init_voltage;
 	s32 voltage_compensation;
@@ -2616,30 +1359,17 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel,
 	s32 factory_actual_pwr[2];
 	s32 power_index;
 
-	/* Sanity check requested level (dBm) */
-	if (priv->user_txpower_limit < IWL_TX_POWER_TARGET_POWER_MIN) {
-		IWL_WARNING("Requested user TXPOWER %d below limit.\n",
-			    priv->user_txpower_limit);
-		return -EINVAL;
-	}
-	if (priv->user_txpower_limit > IWL_TX_POWER_TARGET_POWER_MAX) {
-		IWL_WARNING("Requested user TXPOWER %d above limit.\n",
-			    priv->user_txpower_limit);
-		return -EINVAL;
-	}
-
 	/* user_txpower_limit is in dBm, convert to half-dBm (half-dB units
 	 *   are used for indexing into txpower table) */
-	user_target_power = 2 * priv->user_txpower_limit;
+	user_target_power = 2 * priv->tx_power_user_lmt;
 
 	/* Get current (RXON) channel, band, width */
-	ch_info =
-		iwl4965_get_channel_txpower_info(priv, priv->band, channel);
-
 	IWL_DEBUG_TXPOWER("chan %d band %d is_fat %d\n", channel, band,
 			  is_fat);
 
-	if (!ch_info)
+	ch_info = iwl_get_channel_info(priv, priv->band, channel);
+
+	if (!is_channel_valid(ch_info))
 		return -EINVAL;
 
 	/* get txatten group, used to select 1) thermal txpower adjustment
@@ -2661,9 +1391,9 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel,
 	/* hardware txpower limits ...
 	 * saturation (clipping distortion) txpowers are in half-dBm */
 	if (band)
-		saturation_power = priv->eeprom.calib_info.saturation_power24;
+		saturation_power = priv->calib_info->saturation_power24;
 	else
-		saturation_power = priv->eeprom.calib_info.saturation_power52;
+		saturation_power = priv->calib_info->saturation_power52;
 
 	if (saturation_power < IWL_TX_POWER_SATURATION_MIN ||
 	    saturation_power > IWL_TX_POWER_SATURATION_MAX) {
@@ -2693,7 +1423,7 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel,
 	iwl4965_interpolate_chan(priv, channel, &ch_eeprom_info);
 
 	/* calculate tx gain adjustment based on power supply voltage */
-	voltage = priv->eeprom.calib_info.voltage;
+	voltage = priv->calib_info->voltage;
 	init_voltage = (s32)le32_to_cpu(priv->card_alive_init.voltage);
 	voltage_compensation =
 	    iwl4965_get_voltage_compensation(voltage, init_voltage);
@@ -2840,12 +1570,12 @@ static int iwl4965_fill_txpower_tbl(struct iwl_priv *priv, u8 band, u16 channel,
 }
 
 /**
- * iwl4965_hw_reg_send_txpower - Configure the TXPOWER level user limit
+ * iwl4965_send_tx_power - Configure the TXPOWER level user limit
  *
  * Uses the active RXON for channel, band, and characteristics (fat, high)
- * The power limit is taken from priv->user_txpower_limit.
+ * The power limit is taken from priv->tx_power_user_lmt.
  */
-int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv)
+static int iwl4965_send_tx_power(struct iwl_priv *priv)
 {
 	struct iwl4965_txpowertable_cmd cmd = { 0 };
 	int ret;
@@ -2888,8 +1618,8 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
 {
 	int ret = 0;
 	struct iwl4965_rxon_assoc_cmd rxon_assoc;
-	const struct iwl4965_rxon_cmd *rxon1 = &priv->staging_rxon;
-	const struct iwl4965_rxon_cmd *rxon2 = &priv->active_rxon;
+	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
+	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
 
 	if ((rxon1->flags == rxon2->flags) &&
 	    (rxon1->filter_flags == rxon2->filter_flags) &&
@@ -2965,89 +1695,14 @@ int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 	return rc;
 }
 
-#define RTS_HCCA_RETRY_LIMIT		3
-#define RTS_DFAULT_RETRY_LIMIT		60
-
-void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
-			      struct iwl_cmd *cmd,
-			      struct ieee80211_tx_control *ctrl,
-			      struct ieee80211_hdr *hdr, int sta_id,
-			      int is_hcca)
-{
-	struct iwl4965_tx_cmd *tx = &cmd->cmd.tx;
-	u8 rts_retry_limit = 0;
-	u8 data_retry_limit = 0;
-	u16 fc = le16_to_cpu(hdr->frame_control);
-	u8 rate_plcp;
-	u16 rate_flags = 0;
-	int rate_idx = min(ctrl->tx_rate->hw_value & 0xffff, IWL_RATE_COUNT - 1);
-
-	rate_plcp = iwl4965_rates[rate_idx].plcp;
-
-	rts_retry_limit = (is_hcca) ?
-	    RTS_HCCA_RETRY_LIMIT : RTS_DFAULT_RETRY_LIMIT;
-
-	if ((rate_idx >= IWL_FIRST_CCK_RATE) && (rate_idx <= IWL_LAST_CCK_RATE))
-		rate_flags |= RATE_MCS_CCK_MSK;
-
-
-	if (ieee80211_is_probe_response(fc)) {
-		data_retry_limit = 3;
-		if (data_retry_limit < rts_retry_limit)
-			rts_retry_limit = data_retry_limit;
-	} else
-		data_retry_limit = IWL_DEFAULT_TX_RETRY;
-
-	if (priv->data_retry_limit != -1)
-		data_retry_limit = priv->data_retry_limit;
-
-
-	if (ieee80211_is_data(fc)) {
-		tx->initial_rate_index = 0;
-		tx->tx_flags |= TX_CMD_FLG_STA_RATE_MSK;
-	} else {
-		switch (fc & IEEE80211_FCTL_STYPE) {
-		case IEEE80211_STYPE_AUTH:
-		case IEEE80211_STYPE_DEAUTH:
-		case IEEE80211_STYPE_ASSOC_REQ:
-		case IEEE80211_STYPE_REASSOC_REQ:
-			if (tx->tx_flags & TX_CMD_FLG_RTS_MSK) {
-				tx->tx_flags &= ~TX_CMD_FLG_RTS_MSK;
-				tx->tx_flags |= TX_CMD_FLG_CTS_MSK;
-			}
-			break;
-		default:
-			break;
-		}
-
-		/* Alternate between antenna A and B for successive frames */
-		if (priv->use_ant_b_for_management_frame) {
-			priv->use_ant_b_for_management_frame = 0;
-			rate_flags |= RATE_MCS_ANT_B_MSK;
-		} else {
-			priv->use_ant_b_for_management_frame = 1;
-			rate_flags |= RATE_MCS_ANT_A_MSK;
-		}
-	}
-
-	tx->rts_retry_limit = rts_retry_limit;
-	tx->data_retry_limit = data_retry_limit;
-	tx->rate_n_flags = iwl4965_hw_set_rate_n_flags(rate_plcp, rate_flags);
-}
-
-int iwl4965_hw_get_rx_read(struct iwl_priv *priv)
+static int iwl4965_shared_mem_rx_idx(struct iwl_priv *priv)
 {
 	struct iwl4965_shared *s = priv->shared_virt;
 	return le32_to_cpu(s->rb_closed) & 0xFFF;
 }
 
-int iwl4965_hw_get_temperature(struct iwl_priv *priv)
-{
-	return priv->temperature;
-}
-
 unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
-			  struct iwl4965_frame *frame, u8 rate)
+			  struct iwl_frame *frame, u8 rate)
 {
 	struct iwl4965_tx_beacon_cmd *tx_beacon_cmd;
 	unsigned int frame_size;
@@ -3060,7 +1715,7 @@ unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
 
 	frame_size = iwl4965_fill_beacon_frame(priv,
 				tx_beacon_cmd->frame,
-				iwl4965_broadcast_addr,
+				iwl_bcast_addr,
 				sizeof(frame->u) - sizeof(*tx_beacon_cmd));
 
 	BUG_ON(frame_size > MAX_MPDU_SIZE);
@@ -3068,105 +1723,45 @@ unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
 
 	if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
 		tx_beacon_cmd->tx.rate_n_flags =
-			iwl4965_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
+			iwl_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
 	else
 		tx_beacon_cmd->tx.rate_n_flags =
-			iwl4965_hw_set_rate_n_flags(rate, 0);
+			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);
 }
 
-/*
- * Tell 4965 where to find circular buffer of Tx Frame Descriptors for
- * given Tx queue, and enable the DMA channel used for that queue.
- *
- * 4965 supports up to 16 Tx queues in DRAM, mapped to up to 8 Tx DMA
- * channels supported in hardware.
- */
-int iwl4965_hw_tx_queue_init(struct iwl_priv *priv, struct iwl4965_tx_queue *txq)
-{
-	int rc;
-	unsigned long flags;
-	int txq_id = txq->q.id;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	rc = iwl_grab_nic_access(priv);
-	if (rc) {
-		spin_unlock_irqrestore(&priv->lock, flags);
-		return rc;
-	}
-
-	/* Circular buffer (TFD queue in DRAM) physical base address */
-	iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id),
-			     txq->q.dma_addr >> 8);
-
-	/* Enable DMA channel, using same id as for TFD queue */
-	iwl_write_direct32(
-		priv, IWL_FH_TCSR_CHNL_TX_CONFIG_REG(txq_id),
-		IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
-		IWL_FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL);
-	iwl_release_nic_access(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return 0;
-}
-
-int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *ptr,
-				 dma_addr_t addr, u16 len)
+static int iwl4965_alloc_shared_mem(struct iwl_priv *priv)
 {
-	int index, is_odd;
-	struct iwl4965_tfd_frame *tfd = ptr;
-	u32 num_tbs = IWL_GET_BITS(*tfd, num_tbs);
-
-	/* Each TFD can point to a maximum 20 Tx buffers */
-	if ((num_tbs >= MAX_NUM_OF_TBS) || (num_tbs < 0)) {
-		IWL_ERROR("Error can not send more than %d chunks\n",
-			  MAX_NUM_OF_TBS);
-		return -EINVAL;
-	}
-
-	index = num_tbs / 2;
-	is_odd = num_tbs & 0x1;
+	priv->shared_virt = pci_alloc_consistent(priv->pci_dev,
+					sizeof(struct iwl4965_shared),
+					&priv->shared_phys);
+	if (!priv->shared_virt)
+		return -ENOMEM;
 
-	if (!is_odd) {
-		tfd->pa[index].tb1_addr = cpu_to_le32(addr);
-		IWL_SET_BITS(tfd->pa[index], tb1_addr_hi,
-			     iwl_get_dma_hi_address(addr));
-		IWL_SET_BITS(tfd->pa[index], tb1_len, len);
-	} else {
-		IWL_SET_BITS(tfd->pa[index], tb2_addr_lo16,
-			     (u32) (addr & 0xffff));
-		IWL_SET_BITS(tfd->pa[index], tb2_addr_hi20, addr >> 16);
-		IWL_SET_BITS(tfd->pa[index], tb2_len, len);
-	}
+	memset(priv->shared_virt, 0, sizeof(struct iwl4965_shared));
 
-	IWL_SET_BITS(*tfd, num_tbs, num_tbs + 1);
+	priv->rb_closed_offset = offsetof(struct iwl4965_shared, rb_closed);
 
 	return 0;
 }
 
-static void iwl4965_hw_card_show_info(struct iwl_priv *priv)
+static void iwl4965_free_shared_mem(struct iwl_priv *priv)
 {
-	u16 hw_version = priv->eeprom.board_revision_4965;
-
-	IWL_DEBUG_INFO("4965ABGN HW Version %u.%u.%u\n",
-		       ((hw_version >> 8) & 0x0F),
-		       ((hw_version >> 8) >> 4), (hw_version & 0x00FF));
-
-	IWL_DEBUG_INFO("4965ABGN PBA Number %.16s\n",
-		       priv->eeprom.board_pba_number_4965);
+	if (priv->shared_virt)
+		pci_free_consistent(priv->pci_dev,
+				    sizeof(struct iwl4965_shared),
+				    priv->shared_virt,
+				    priv->shared_phys);
 }
 
-#define IWL_TX_CRC_SIZE		4
-#define IWL_TX_DELIMITER_SIZE	4
-
 /**
  * iwl4965_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
  */
 static void iwl4965_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
-					    struct iwl4965_tx_queue *txq,
+					    struct iwl_tx_queue *txq,
 					    u16 byte_cnt)
 {
 	int len;
@@ -3180,50 +1775,13 @@ static void iwl4965_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
 		       tfd_offset[txq->q.write_ptr], byte_cnt, len);
 
 	/* If within first 64 entries, duplicate at end */
-	if (txq->q.write_ptr < IWL4965_MAX_WIN_SIZE)
+	if (txq->q.write_ptr < IWL49_MAX_WIN_SIZE)
 		IWL_SET_BITS16(shared_data->queues_byte_cnt_tbls[txq_id].
-			tfd_offset[IWL4965_QUEUE_SIZE + txq->q.write_ptr],
+			tfd_offset[IWL49_QUEUE_SIZE + txq->q.write_ptr],
 			byte_cnt, len);
 }
 
 /**
- * iwl4965_set_rxon_chain - Set up Rx chain usage in "staging" RXON image
- *
- * Selects how many and which Rx receivers/antennas/chains to use.
- * This should not be used for scan command ... it puts data in wrong place.
- */
-void iwl4965_set_rxon_chain(struct iwl_priv *priv)
-{
-	u8 is_single = is_single_stream(priv);
-	u8 idle_state, rx_state;
-
-	priv->staging_rxon.rx_chain = 0;
-	rx_state = idle_state = 3;
-
-	/* Tell uCode which antennas are actually connected.
-	 * Before first association, we assume all antennas are connected.
-	 * Just after first association, iwl4965_noise_calibration()
-	 *    checks which antennas actually *are* connected. */
-	priv->staging_rxon.rx_chain |=
-	    cpu_to_le16(priv->valid_antenna << RXON_RX_CHAIN_VALID_POS);
-
-	/* How many receivers should we use? */
-	iwl4965_get_rx_chain_counter(priv, &idle_state, &rx_state);
-	priv->staging_rxon.rx_chain |=
-		cpu_to_le16(rx_state << RXON_RX_CHAIN_MIMO_CNT_POS);
-	priv->staging_rxon.rx_chain |=
-		cpu_to_le16(idle_state << RXON_RX_CHAIN_CNT_POS);
-
-	if (!is_single && (rx_state >= 2) &&
-	    !test_bit(STATUS_POWER_PMI, &priv->status))
-		priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
-	else
-		priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
-
-	IWL_DEBUG_ASSOC("rx chain %X\n", priv->staging_rxon.rx_chain);
-}
-
-/**
  * sign_extend - Sign extend a value using specified bit as sign-bit
  *
  * Example: sign_extend(9, 3) would return -7 as bit3 of 1001b is 1
@@ -3240,12 +1798,12 @@ static s32 sign_extend(u32 oper, int index)
 }
 
 /**
- * iwl4965_get_temperature - return the calibrated temperature (in Kelvin)
+ * iwl4965_hw_get_temperature - return the calibrated temperature (in Kelvin)
  * @statistics: Provides the temperature reading from the uCode
  *
  * A return of <0 indicates bogus data in the statistics
  */
-int iwl4965_get_temperature(const struct iwl_priv *priv)
+static int iwl4965_hw_get_temperature(const struct iwl_priv *priv)
 {
 	s32 temperature;
 	s32 vt;
@@ -3280,8 +1838,7 @@ int iwl4965_get_temperature(const struct iwl_priv *priv)
 		vt = sign_extend(
 			le32_to_cpu(priv->statistics.general.temperature), 23);
 
-	IWL_DEBUG_TEMP("Calib values R[1-3]: %d %d %d R4: %d\n",
-		       R1, R2, R3, vt);
+	IWL_DEBUG_TEMP("Calib values R[1-3]: %d %d %d R4: %d\n", R1, R2, R3, vt);
 
 	if (R3 == R1) {
 		IWL_ERROR("Calibration conflict R1 == R3\n");
@@ -3292,11 +1849,10 @@ int iwl4965_get_temperature(const struct iwl_priv *priv)
 	 * Add offset to center the adjustment around 0 degrees Centigrade. */
 	temperature = TEMPERATURE_CALIB_A_VAL * (vt - R2);
 	temperature /= (R3 - R1);
-	temperature = (temperature * 97) / 100 +
-	    TEMPERATURE_CALIB_KELVIN_OFFSET;
+	temperature = (temperature * 97) / 100 + TEMPERATURE_CALIB_KELVIN_OFFSET;
 
-	IWL_DEBUG_TEMP("Calibrated temperature: %dK, %dC\n", temperature,
-	    KELVIN_TO_CELSIUS(temperature));
+	IWL_DEBUG_TEMP("Calibrated temperature: %dK, %dC\n",
+			temperature, KELVIN_TO_CELSIUS(temperature));
 
 	return temperature;
 }
@@ -3343,89 +1899,11 @@ static int iwl4965_is_temp_calib_needed(struct iwl_priv *priv)
 	return 1;
 }
 
-/* Calculate noise level, based on measurements during network silence just
- *   before arriving beacon.  This measurement can be done only if we know
- *   exactly when to expect beacons, therefore only when we're associated. */
-static void iwl4965_rx_calc_noise(struct iwl_priv *priv)
+static void iwl4965_temperature_calib(struct iwl_priv *priv)
 {
-	struct statistics_rx_non_phy *rx_info
-				= &(priv->statistics.rx.general);
-	int num_active_rx = 0;
-	int total_silence = 0;
-	int bcn_silence_a =
-		le32_to_cpu(rx_info->beacon_silence_rssi_a) & IN_BAND_FILTER;
-	int bcn_silence_b =
-		le32_to_cpu(rx_info->beacon_silence_rssi_b) & IN_BAND_FILTER;
-	int bcn_silence_c =
-		le32_to_cpu(rx_info->beacon_silence_rssi_c) & IN_BAND_FILTER;
-
-	if (bcn_silence_a) {
-		total_silence += bcn_silence_a;
-		num_active_rx++;
-	}
-	if (bcn_silence_b) {
-		total_silence += bcn_silence_b;
-		num_active_rx++;
-	}
-	if (bcn_silence_c) {
-		total_silence += bcn_silence_c;
-		num_active_rx++;
-	}
-
-	/* Average among active antennas */
-	if (num_active_rx)
-		priv->last_rx_noise = (total_silence / num_active_rx) - 107;
-	else
-		priv->last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
-
-	IWL_DEBUG_CALIB("inband silence a %u, b %u, c %u, dBm %d\n",
-			bcn_silence_a, bcn_silence_b, bcn_silence_c,
-			priv->last_rx_noise);
-}
-
-void iwl4965_hw_rx_statistics(struct iwl_priv *priv, struct iwl4965_rx_mem_buffer *rxb)
-{
-	struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data;
-	int change;
 	s32 temp;
 
-	IWL_DEBUG_RX("Statistics notification received (%d vs %d).\n",
-		     (int)sizeof(priv->statistics), pkt->len);
-
-	change = ((priv->statistics.general.temperature !=
-		   pkt->u.stats.general.temperature) ||
-		  ((priv->statistics.flag &
-		    STATISTICS_REPLY_FLG_FAT_MODE_MSK) !=
-		   (pkt->u.stats.flag & STATISTICS_REPLY_FLG_FAT_MODE_MSK)));
-
-	memcpy(&priv->statistics, &pkt->u.stats, sizeof(priv->statistics));
-
-	set_bit(STATUS_STATISTICS, &priv->status);
-
-	/* Reschedule the statistics timer to occur in
-	 * REG_RECALIB_PERIOD seconds to ensure we get a
-	 * thermal update even if the uCode doesn't give
-	 * us one */
-	mod_timer(&priv->statistics_periodic, jiffies +
-		  msecs_to_jiffies(REG_RECALIB_PERIOD * 1000));
-
-	if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
-	    (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) {
-		iwl4965_rx_calc_noise(priv);
-#ifdef CONFIG_IWL4965_SENSITIVITY
-		queue_work(priv->workqueue, &priv->sensitivity_work);
-#endif
-	}
-
-	iwl_leds_background(priv);
-
-	/* If the hardware hasn't reported a change in
-	 * temperature then don't bother computing a
-	 * calibrated temperature value */
-	if (!change)
-		return;
-
-	temp = iwl4965_get_temperature(priv);
+	temp = iwl4965_hw_get_temperature(priv);
 	if (temp < 0)
 		return;
 
@@ -3444,806 +1922,12 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv, struct iwl4965_rx_mem_buffe
 	priv->temperature = temp;
 	set_bit(STATUS_TEMPERATURE, &priv->status);
 
-	if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
-		     iwl4965_is_temp_calib_needed(priv))
+	if (!priv->disable_tx_power_cal &&
+	     unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
+	     iwl4965_is_temp_calib_needed(priv))
 		queue_work(priv->workqueue, &priv->txpower_work);
 }
 
-static void iwl4965_add_radiotap(struct iwl_priv *priv,
-				 struct sk_buff *skb,
-				 struct iwl4965_rx_phy_res *rx_start,
-				 struct ieee80211_rx_status *stats,
-				 u32 ampdu_status)
-{
-	s8 signal = stats->ssi;
-	s8 noise = 0;
-	int rate = stats->rate_idx;
-	u64 tsf = stats->mactime;
-	__le16 antenna;
-	__le16 phy_flags_hw = rx_start->phy_flags;
-	struct iwl4965_rt_rx_hdr {
-		struct ieee80211_radiotap_header rt_hdr;
-		__le64 rt_tsf;		/* TSF */
-		u8 rt_flags;		/* radiotap packet flags */
-		u8 rt_rate;		/* rate in 500kb/s */
-		__le16 rt_channelMHz;	/* channel in MHz */
-		__le16 rt_chbitmask;	/* channel bitfield */
-		s8 rt_dbmsignal;	/* signal in dBm, kluged to signed */
-		s8 rt_dbmnoise;
-		u8 rt_antenna;		/* antenna number */
-	} __attribute__ ((packed)) *iwl4965_rt;
-
-	/* TODO: We won't have enough headroom for HT frames. Fix it later. */
-	if (skb_headroom(skb) < sizeof(*iwl4965_rt)) {
-		if (net_ratelimit())
-			printk(KERN_ERR "not enough headroom [%d] for "
-			       "radiotap head [%zd]\n",
-			       skb_headroom(skb), sizeof(*iwl4965_rt));
-		return;
-	}
-
-	/* put radiotap header in front of 802.11 header and data */
-	iwl4965_rt = (void *)skb_push(skb, sizeof(*iwl4965_rt));
-
-	/* initialise radiotap header */
-	iwl4965_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION;
-	iwl4965_rt->rt_hdr.it_pad = 0;
-
-	/* total header + data */
-	put_unaligned(cpu_to_le16(sizeof(*iwl4965_rt)),
-		      &iwl4965_rt->rt_hdr.it_len);
-
-	/* Indicate all the fields we add to the radiotap header */
-	put_unaligned(cpu_to_le32((1 << IEEE80211_RADIOTAP_TSFT) |
-				  (1 << IEEE80211_RADIOTAP_FLAGS) |
-				  (1 << IEEE80211_RADIOTAP_RATE) |
-				  (1 << IEEE80211_RADIOTAP_CHANNEL) |
-				  (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |
-				  (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |
-				  (1 << IEEE80211_RADIOTAP_ANTENNA)),
-		      &iwl4965_rt->rt_hdr.it_present);
-
-	/* Zero the flags, we'll add to them as we go */
-	iwl4965_rt->rt_flags = 0;
-
-	put_unaligned(cpu_to_le64(tsf), &iwl4965_rt->rt_tsf);
-
-	iwl4965_rt->rt_dbmsignal = signal;
-	iwl4965_rt->rt_dbmnoise = noise;
-
-	/* Convert the channel frequency and set the flags */
-	put_unaligned(cpu_to_le16(stats->freq), &iwl4965_rt->rt_channelMHz);
-	if (!(phy_flags_hw & RX_RES_PHY_FLAGS_BAND_24_MSK))
-		put_unaligned(cpu_to_le16(IEEE80211_CHAN_OFDM |
-					  IEEE80211_CHAN_5GHZ),
-			      &iwl4965_rt->rt_chbitmask);
-	else if (phy_flags_hw & RX_RES_PHY_FLAGS_MOD_CCK_MSK)
-		put_unaligned(cpu_to_le16(IEEE80211_CHAN_CCK |
-					  IEEE80211_CHAN_2GHZ),
-			      &iwl4965_rt->rt_chbitmask);
-	else	/* 802.11g */
-		put_unaligned(cpu_to_le16(IEEE80211_CHAN_OFDM |
-					  IEEE80211_CHAN_2GHZ),
-			      &iwl4965_rt->rt_chbitmask);
-
-	if (rate == -1)
-		iwl4965_rt->rt_rate = 0;
-	else
-		iwl4965_rt->rt_rate = iwl4965_rates[rate].ieee;
-
-	/*
-	 * "antenna number"
-	 *
-	 * It seems that the antenna field in the phy flags value
-	 * is actually a bitfield. This is undefined by radiotap,
-	 * it wants an actual antenna number but I always get "7"
-	 * for most legacy frames I receive indicating that the
-	 * same frame was received on all three RX chains.
-	 *
-	 * I think this field should be removed in favour of a
-	 * new 802.11n radiotap field "RX chains" that is defined
-	 * as a bitmask.
-	 */
-	antenna = phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK;
-	iwl4965_rt->rt_antenna = le16_to_cpu(antenna) >> 4;
-
-	/* set the preamble flag if appropriate */
-	if (phy_flags_hw & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK)
-		iwl4965_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
-
-	stats->flag |= RX_FLAG_RADIOTAP;
-}
-
-static void iwl_update_rx_stats(struct iwl_priv *priv, u16 fc, u16 len)
-{
-	/* 0 - mgmt, 1 - cnt, 2 - data */
-	int idx = (fc & IEEE80211_FCTL_FTYPE) >> 2;
-	priv->rx_stats[idx].cnt++;
-	priv->rx_stats[idx].bytes += len;
-}
-
-static u32 iwl4965_translate_rx_status(u32 decrypt_in)
-{
-	u32 decrypt_out = 0;
-
-	if ((decrypt_in & RX_RES_STATUS_STATION_FOUND) ==
-					RX_RES_STATUS_STATION_FOUND)
-		decrypt_out |= (RX_RES_STATUS_STATION_FOUND |
-				RX_RES_STATUS_NO_STATION_INFO_MISMATCH);
-
-	decrypt_out |= (decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK);
-
-	/* packet was not encrypted */
-	if ((decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK) ==
-					RX_RES_STATUS_SEC_TYPE_NONE)
-		return decrypt_out;
-
-	/* packet was encrypted with unknown alg */
-	if ((decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK) ==
-					RX_RES_STATUS_SEC_TYPE_ERR)
-		return decrypt_out;
-
-	/* decryption was not done in HW */
-	if ((decrypt_in & RX_MPDU_RES_STATUS_DEC_DONE_MSK) !=
-					RX_MPDU_RES_STATUS_DEC_DONE_MSK)
-		return decrypt_out;
-
-	switch (decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK) {
-
-	case RX_RES_STATUS_SEC_TYPE_CCMP:
-		/* alg is CCM: check MIC only */
-		if (!(decrypt_in & RX_MPDU_RES_STATUS_MIC_OK))
-			/* Bad MIC */
-			decrypt_out |= RX_RES_STATUS_BAD_ICV_MIC;
-		else
-			decrypt_out |= RX_RES_STATUS_DECRYPT_OK;
-
-		break;
-
-	case RX_RES_STATUS_SEC_TYPE_TKIP:
-		if (!(decrypt_in & RX_MPDU_RES_STATUS_TTAK_OK)) {
-			/* Bad TTAK */
-			decrypt_out |= RX_RES_STATUS_BAD_KEY_TTAK;
-			break;
-		}
-		/* fall through if TTAK OK */
-	default:
-		if (!(decrypt_in & RX_MPDU_RES_STATUS_ICV_OK))
-			decrypt_out |= RX_RES_STATUS_BAD_ICV_MIC;
-		else
-			decrypt_out |= RX_RES_STATUS_DECRYPT_OK;
-		break;
-	};
-
-	IWL_DEBUG_RX("decrypt_in:0x%x  decrypt_out = 0x%x\n",
-					decrypt_in, decrypt_out);
-
-	return decrypt_out;
-}
-
-static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data,
-				       int include_phy,
-				       struct iwl4965_rx_mem_buffer *rxb,
-				       struct ieee80211_rx_status *stats)
-{
-	struct iwl4965_rx_packet *pkt = (struct iwl4965_rx_packet *)rxb->skb->data;
-	struct iwl4965_rx_phy_res *rx_start = (include_phy) ?
-	    (struct iwl4965_rx_phy_res *)&(pkt->u.raw[0]) : NULL;
-	struct ieee80211_hdr *hdr;
-	u16 len;
-	__le32 *rx_end;
-	unsigned int skblen;
-	u32 ampdu_status;
-	u32 ampdu_status_legacy;
-
-	if (!include_phy && priv->last_phy_res[0])
-		rx_start = (struct iwl4965_rx_phy_res *)&priv->last_phy_res[1];
-
-	if (!rx_start) {
-		IWL_ERROR("MPDU frame without a PHY data\n");
-		return;
-	}
-	if (include_phy) {
-		hdr = (struct ieee80211_hdr *)((u8 *) & rx_start[1] +
-					       rx_start->cfg_phy_cnt);
-
-		len = le16_to_cpu(rx_start->byte_count);
-
-		rx_end = (__le32 *) ((u8 *) & pkt->u.raw[0] +
-				  sizeof(struct iwl4965_rx_phy_res) +
-				  rx_start->cfg_phy_cnt + len);
-
-	} else {
-		struct iwl4965_rx_mpdu_res_start *amsdu =
-		    (struct iwl4965_rx_mpdu_res_start *)pkt->u.raw;
-
-		hdr = (struct ieee80211_hdr *)(pkt->u.raw +
-			       sizeof(struct iwl4965_rx_mpdu_res_start));
-		len =  le16_to_cpu(amsdu->byte_count);
-		rx_start->byte_count = amsdu->byte_count;
-		rx_end = (__le32 *) (((u8 *) hdr) + len);
-	}
-	if (len > priv->hw_params.max_pkt_size || len < 16) {
-		IWL_WARNING("byte count out of range [16,4K] : %d\n", len);
-		return;
-	}
-
-	ampdu_status = le32_to_cpu(*rx_end);
-	skblen = ((u8 *) rx_end - (u8 *) & pkt->u.raw[0]) + sizeof(u32);
-
-	if (!include_phy) {
-		/* New status scheme, need to translate */
-		ampdu_status_legacy = ampdu_status;
-		ampdu_status = iwl4965_translate_rx_status(ampdu_status);
-	}
-
-	/* start from MAC */
-	skb_reserve(rxb->skb, (void *)hdr - (void *)pkt);
-	skb_put(rxb->skb, len);	/* end where data ends */
-
-	/* We only process data packets if the interface is open */
-	if (unlikely(!priv->is_open)) {
-		IWL_DEBUG_DROP_LIMIT
-		    ("Dropping packet while interface is not open.\n");
-		return;
-	}
-
-	stats->flag = 0;
-	hdr = (struct ieee80211_hdr *)rxb->skb->data;
-
-	if (!priv->cfg->mod_params->sw_crypto)
-		iwl4965_set_decrypted_flag(priv, rxb->skb, ampdu_status, stats);
-
-	if (priv->add_radiotap)
-		iwl4965_add_radiotap(priv, rxb->skb, rx_start, stats, ampdu_status);
-
-	iwl_update_rx_stats(priv, le16_to_cpu(hdr->frame_control), len);
-	ieee80211_rx_irqsafe(priv->hw, rxb->skb, stats);
-	priv->alloc_rxb_skb--;
-	rxb->skb = NULL;
-}
-
-/* Calc max signal level (dBm) among 3 possible receivers */
-static int iwl4965_calc_rssi(struct iwl4965_rx_phy_res *rx_resp)
-{
-	/* data from PHY/DSP regarding signal strength, etc.,
-	 *   contents are always there, not configurable by host.  */
-	struct iwl4965_rx_non_cfg_phy *ncphy =
-	    (struct iwl4965_rx_non_cfg_phy *)rx_resp->non_cfg_phy;
-	u32 agc = (le16_to_cpu(ncphy->agc_info) & IWL_AGC_DB_MASK)
-			>> IWL_AGC_DB_POS;
-
-	u32 valid_antennae =
-	    (le16_to_cpu(rx_resp->phy_flags) & RX_PHY_FLAGS_ANTENNAE_MASK)
-			>> RX_PHY_FLAGS_ANTENNAE_OFFSET;
-	u8 max_rssi = 0;
-	u32 i;
-
-	/* Find max rssi among 3 possible receivers.
-	 * These values are measured by the digital signal processor (DSP).
-	 * They should stay fairly constant even as the signal strength varies,
-	 *   if the radio's automatic gain control (AGC) is working right.
-	 * AGC value (see below) will provide the "interesting" info. */
-	for (i = 0; i < 3; i++)
-		if (valid_antennae & (1 << i))
-			max_rssi = max(ncphy->rssi_info[i << 1], max_rssi);
-
-	IWL_DEBUG_STATS("Rssi In A %d B %d C %d Max %d AGC dB %d\n",
-		ncphy->rssi_info[0], ncphy->rssi_info[2], ncphy->rssi_info[4],
-		max_rssi, agc);
-
-	/* dBm = max_rssi dB - agc dB - constant.
-	 * Higher AGC (higher radio gain) means lower signal. */
-	return (max_rssi - agc - IWL_RSSI_OFFSET);
-}
-
-#ifdef CONFIG_IWL4965_HT
-
-void iwl4965_init_ht_hw_capab(struct iwl_priv *priv,
-			      struct ieee80211_ht_info *ht_info,
-			      enum ieee80211_band band)
-{
-	ht_info->cap = 0;
-	memset(ht_info->supp_mcs_set, 0, 16);
-
-	ht_info->ht_supported = 1;
-
-	if (band == IEEE80211_BAND_5GHZ) {
-		ht_info->cap |= (u16)IEEE80211_HT_CAP_SUP_WIDTH;
-		ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_40;
-		ht_info->supp_mcs_set[4] = 0x01;
-	}
-	ht_info->cap |= (u16)IEEE80211_HT_CAP_GRN_FLD;
-	ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_20;
-	ht_info->cap |= (u16)(IEEE80211_HT_CAP_MIMO_PS &
-			     (IWL_MIMO_PS_NONE << 2));
-
-	if (priv->cfg->mod_params->amsdu_size_8K)
-		ht_info->cap |= (u16)IEEE80211_HT_CAP_MAX_AMSDU;
-
-	ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
-	ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
-
-	ht_info->supp_mcs_set[0] = 0xFF;
-	ht_info->supp_mcs_set[1] = 0xFF;
-}
-#endif /* CONFIG_IWL4965_HT */
-
-static void iwl4965_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->sta_lock, flags);
-	priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK;
-	priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
-	priv->stations[sta_id].sta.sta.modify_mask = 0;
-	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
-
-	iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
-}
-
-static void iwl4965_update_ps_mode(struct iwl_priv *priv, u16 ps_bit, u8 *addr)
-{
-	/* FIXME: need locking over ps_status ??? */
-	u8 sta_id = iwl4965_hw_find_station(priv, addr);
-
-	if (sta_id != IWL_INVALID_STATION) {
-		u8 sta_awake = priv->stations[sta_id].
-				ps_status == STA_PS_STATUS_WAKE;
-
-		if (sta_awake && ps_bit)
-			priv->stations[sta_id].ps_status = STA_PS_STATUS_SLEEP;
-		else if (!sta_awake && !ps_bit) {
-			iwl4965_sta_modify_ps_wake(priv, sta_id);
-			priv->stations[sta_id].ps_status = STA_PS_STATUS_WAKE;
-		}
-	}
-}
-#ifdef CONFIG_IWLWIFI_DEBUG
-
-/**
- * iwl4965_dbg_report_frame - dump frame to syslog during debug sessions
- *
- * You may hack this function to show different aspects of received frames,
- * including selective frame dumps.
- * group100 parameter selects whether to show 1 out of 100 good frames.
- *
- * TODO:  This was originally written for 3945, need to audit for
- *        proper operation with 4965.
- */
-static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
-		      struct iwl4965_rx_packet *pkt,
-		      struct ieee80211_hdr *header, int group100)
-{
-	u32 to_us;
-	u32 print_summary = 0;
-	u32 print_dump = 0;	/* set to 1 to dump all frames' contents */
-	u32 hundred = 0;
-	u32 dataframe = 0;
-	u16 fc;
-	u16 seq_ctl;
-	u16 channel;
-	u16 phy_flags;
-	int rate_sym;
-	u16 length;
-	u16 status;
-	u16 bcn_tmr;
-	u32 tsf_low;
-	u64 tsf;
-	u8 rssi;
-	u8 agc;
-	u16 sig_avg;
-	u16 noise_diff;
-	struct iwl4965_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt);
-	struct iwl4965_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt);
-	struct iwl4965_rx_frame_end *rx_end = IWL_RX_END(pkt);
-	u8 *data = IWL_RX_DATA(pkt);
-
-	if (likely(!(iwl_debug_level & IWL_DL_RX)))
-		return;
-
-	/* MAC header */
-	fc = le16_to_cpu(header->frame_control);
-	seq_ctl = le16_to_cpu(header->seq_ctrl);
-
-	/* metadata */
-	channel = le16_to_cpu(rx_hdr->channel);
-	phy_flags = le16_to_cpu(rx_hdr->phy_flags);
-	rate_sym = rx_hdr->rate;
-	length = le16_to_cpu(rx_hdr->len);
-
-	/* end-of-frame status and timestamp */
-	status = le32_to_cpu(rx_end->status);
-	bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp);
-	tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff;
-	tsf = le64_to_cpu(rx_end->timestamp);
-
-	/* signal statistics */
-	rssi = rx_stats->rssi;
-	agc = rx_stats->agc;
-	sig_avg = le16_to_cpu(rx_stats->sig_avg);
-	noise_diff = le16_to_cpu(rx_stats->noise_diff);
-
-	to_us = !compare_ether_addr(header->addr1, priv->mac_addr);
-
-	/* if data frame is to us and all is good,
-	 *   (optionally) print summary for only 1 out of every 100 */
-	if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) ==
-	    (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
-		dataframe = 1;
-		if (!group100)
-			print_summary = 1;	/* print each frame */
-		else if (priv->framecnt_to_us < 100) {
-			priv->framecnt_to_us++;
-			print_summary = 0;
-		} else {
-			priv->framecnt_to_us = 0;
-			print_summary = 1;
-			hundred = 1;
-		}
-	} else {
-		/* print summary for all other frames */
-		print_summary = 1;
-	}
-
-	if (print_summary) {
-		char *title;
-		int rate_idx;
-		u32 bitrate;
-
-		if (hundred)
-			title = "100Frames";
-		else if (fc & IEEE80211_FCTL_RETRY)
-			title = "Retry";
-		else if (ieee80211_is_assoc_response(fc))
-			title = "AscRsp";
-		else if (ieee80211_is_reassoc_response(fc))
-			title = "RasRsp";
-		else if (ieee80211_is_probe_response(fc)) {
-			title = "PrbRsp";
-			print_dump = 1;	/* dump frame contents */
-		} else if (ieee80211_is_beacon(fc)) {
-			title = "Beacon";
-			print_dump = 1;	/* dump frame contents */
-		} else if (ieee80211_is_atim(fc))
-			title = "ATIM";
-		else if (ieee80211_is_auth(fc))
-			title = "Auth";
-		else if (ieee80211_is_deauth(fc))
-			title = "DeAuth";
-		else if (ieee80211_is_disassoc(fc))
-			title = "DisAssoc";
-		else
-			title = "Frame";
-
-		rate_idx = iwl4965_hwrate_to_plcp_idx(rate_sym);
-		if (unlikely(rate_idx == -1))
-			bitrate = 0;
-		else
-			bitrate = iwl4965_rates[rate_idx].ieee / 2;
-
-		/* print frame summary.
-		 * MAC addresses show just the last byte (for brevity),
-		 *    but you can hack it to show more, if you'd like to. */
-		if (dataframe)
-			IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, "
-				     "len=%u, rssi=%d, chnl=%d, rate=%u, \n",
-				     title, fc, header->addr1[5],
-				     length, rssi, channel, bitrate);
-		else {
-			/* src/dst addresses assume managed mode */
-			IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, "
-				     "src=0x%02x, rssi=%u, tim=%lu usec, "
-				     "phy=0x%02x, chnl=%d\n",
-				     title, fc, header->addr1[5],
-				     header->addr3[5], rssi,
-				     tsf_low - priv->scan_start_tsf,
-				     phy_flags, channel);
-		}
-	}
-	if (print_dump)
-		iwl_print_hex_dump(IWL_DL_RX, data, length);
-}
-#else
-static inline void iwl4965_dbg_report_frame(struct iwl_priv *priv,
-					    struct iwl4965_rx_packet *pkt,
-					    struct ieee80211_hdr *header,
-					    int group100)
-{
-}
-#endif
-
-
-
-/* Called for REPLY_RX (legacy ABG frames), or
- * REPLY_RX_MPDU_CMD (HT high-throughput N frames). */
-static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
-				struct iwl4965_rx_mem_buffer *rxb)
-{
-	struct ieee80211_hdr *header;
-	struct ieee80211_rx_status rx_status;
-	struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data;
-	/* Use phy data (Rx signal strength, etc.) contained within
-	 *   this rx packet for legacy frames,
-	 *   or phy data cached from REPLY_RX_PHY_CMD for HT frames. */
-	int include_phy = (pkt->hdr.cmd == REPLY_RX);
-	struct iwl4965_rx_phy_res *rx_start = (include_phy) ?
-		(struct iwl4965_rx_phy_res *)&(pkt->u.raw[0]) :
-		(struct iwl4965_rx_phy_res *)&priv->last_phy_res[1];
-	__le32 *rx_end;
-	unsigned int len = 0;
-	u16 fc;
-	u8 network_packet;
-
-	rx_status.mactime = le64_to_cpu(rx_start->timestamp);
-	rx_status.freq =
-		ieee80211_channel_to_frequency(le16_to_cpu(rx_start->channel));
-	rx_status.band = (rx_start->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
-				IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
-	rx_status.rate_idx =
-		iwl4965_hwrate_to_plcp_idx(le32_to_cpu(rx_start->rate_n_flags));
-	if (rx_status.band == IEEE80211_BAND_5GHZ)
-		rx_status.rate_idx -= IWL_FIRST_OFDM_RATE;
-
-	rx_status.antenna = 0;
-	rx_status.flag = 0;
-
-	if ((unlikely(rx_start->cfg_phy_cnt > 20))) {
-		IWL_DEBUG_DROP("dsp size out of range [0,20]: %d/n",
-				rx_start->cfg_phy_cnt);
-		return;
-	}
-
-	if (!include_phy) {
-		if (priv->last_phy_res[0])
-			rx_start = (struct iwl4965_rx_phy_res *)
-				&priv->last_phy_res[1];
-		else
-			rx_start = NULL;
-	}
-
-	if (!rx_start) {
-		IWL_ERROR("MPDU frame without a PHY data\n");
-		return;
-	}
-
-	if (include_phy) {
-		header = (struct ieee80211_hdr *)((u8 *) & rx_start[1]
-						  + rx_start->cfg_phy_cnt);
-
-		len = le16_to_cpu(rx_start->byte_count);
-		rx_end = (__le32 *)(pkt->u.raw + rx_start->cfg_phy_cnt +
-				  sizeof(struct iwl4965_rx_phy_res) + len);
-	} else {
-		struct iwl4965_rx_mpdu_res_start *amsdu =
-			(struct iwl4965_rx_mpdu_res_start *)pkt->u.raw;
-
-		header = (void *)(pkt->u.raw +
-			sizeof(struct iwl4965_rx_mpdu_res_start));
-		len = le16_to_cpu(amsdu->byte_count);
-		rx_end = (__le32 *) (pkt->u.raw +
-			sizeof(struct iwl4965_rx_mpdu_res_start) + len);
-	}
-
-	if (!(*rx_end & RX_RES_STATUS_NO_CRC32_ERROR) ||
-	    !(*rx_end & RX_RES_STATUS_NO_RXE_OVERFLOW)) {
-		IWL_DEBUG_RX("Bad CRC or FIFO: 0x%08X.\n",
-				le32_to_cpu(*rx_end));
-		return;
-	}
-
-	priv->ucode_beacon_time = le32_to_cpu(rx_start->beacon_time_stamp);
-
-	/* Find max signal strength (dBm) among 3 antenna/receiver chains */
-	rx_status.ssi = iwl4965_calc_rssi(rx_start);
-
-	/* Meaningful noise values are available only from beacon statistics,
-	 *   which are gathered only when associated, and indicate noise
-	 *   only for the associated network channel ...
-	 * Ignore these noise values while scanning (other channels) */
-	if (iwl_is_associated(priv) &&
-	    !test_bit(STATUS_SCANNING, &priv->status)) {
-		rx_status.noise = priv->last_rx_noise;
-		rx_status.signal = iwl4965_calc_sig_qual(rx_status.ssi,
-							 rx_status.noise);
-	} else {
-		rx_status.noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
-		rx_status.signal = iwl4965_calc_sig_qual(rx_status.ssi, 0);
-	}
-
-	/* Reset beacon noise level if not associated. */
-	if (!iwl_is_associated(priv))
-		priv->last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
-
-	/* Set "1" to report good data frames in groups of 100 */
-	/* FIXME: need to optimze the call: */
-	iwl4965_dbg_report_frame(priv, pkt, header, 1);
-
-	IWL_DEBUG_STATS_LIMIT("Rssi %d, noise %d, qual %d, TSF %llu\n",
-			      rx_status.ssi, rx_status.noise, rx_status.signal,
-			      (unsigned long long)rx_status.mactime);
-
-	network_packet = iwl4965_is_network_packet(priv, header);
-	if (network_packet) {
-		priv->last_rx_rssi = rx_status.ssi;
-		priv->last_beacon_time =  priv->ucode_beacon_time;
-		priv->last_tsf = le64_to_cpu(rx_start->timestamp);
-	}
-
-	fc = le16_to_cpu(header->frame_control);
-	switch (fc & IEEE80211_FCTL_FTYPE) {
-	case IEEE80211_FTYPE_MGMT:
-		if (priv->iw_mode == IEEE80211_IF_TYPE_AP)
-			iwl4965_update_ps_mode(priv, fc  & IEEE80211_FCTL_PM,
-						header->addr2);
-		iwl4965_handle_data_packet(priv, 0, include_phy, rxb, &rx_status);
-		break;
-
-	case IEEE80211_FTYPE_CTL:
-#ifdef CONFIG_IWL4965_HT
-		switch (fc & IEEE80211_FCTL_STYPE) {
-		case IEEE80211_STYPE_BACK_REQ:
-			IWL_DEBUG_HT("IEEE80211_STYPE_BACK_REQ arrived\n");
-			iwl4965_handle_data_packet(priv, 0, include_phy,
-						rxb, &rx_status);
-			break;
-		default:
-			break;
-		}
-#endif
-		break;
-
-	case IEEE80211_FTYPE_DATA: {
-		DECLARE_MAC_BUF(mac1);
-		DECLARE_MAC_BUF(mac2);
-		DECLARE_MAC_BUF(mac3);
-
-		if (priv->iw_mode == IEEE80211_IF_TYPE_AP)
-			iwl4965_update_ps_mode(priv, fc  & IEEE80211_FCTL_PM,
-						header->addr2);
-
-		if (unlikely(!network_packet))
-			IWL_DEBUG_DROP("Dropping (non network): "
-				       "%s, %s, %s\n",
-				       print_mac(mac1, header->addr1),
-				       print_mac(mac2, header->addr2),
-				       print_mac(mac3, header->addr3));
-		else if (unlikely(iwl4965_is_duplicate_packet(priv, header)))
-			IWL_DEBUG_DROP("Dropping (dup): %s, %s, %s\n",
-				       print_mac(mac1, header->addr1),
-				       print_mac(mac2, header->addr2),
-				       print_mac(mac3, header->addr3));
-		else
-			iwl4965_handle_data_packet(priv, 1, include_phy, rxb,
-						   &rx_status);
-		break;
-	}
-	default:
-		break;
-
-	}
-}
-
-/* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD).
- * This will be used later in iwl4965_rx_reply_rx() for REPLY_RX_MPDU_CMD. */
-static void iwl4965_rx_reply_rx_phy(struct iwl_priv *priv,
-				    struct iwl4965_rx_mem_buffer *rxb)
-{
-	struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data;
-	priv->last_phy_res[0] = 1;
-	memcpy(&priv->last_phy_res[1], &(pkt->u.raw[0]),
-	       sizeof(struct iwl4965_rx_phy_res));
-}
-static void iwl4965_rx_missed_beacon_notif(struct iwl_priv *priv,
-					   struct iwl4965_rx_mem_buffer *rxb)
-
-{
-#ifdef CONFIG_IWL4965_SENSITIVITY
-	struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl4965_missed_beacon_notif *missed_beacon;
-
-	missed_beacon = &pkt->u.missed_beacon;
-	if (le32_to_cpu(missed_beacon->consequtive_missed_beacons) > 5) {
-		IWL_DEBUG_CALIB("missed bcn cnsq %d totl %d rcd %d expctd %d\n",
-		    le32_to_cpu(missed_beacon->consequtive_missed_beacons),
-		    le32_to_cpu(missed_beacon->total_missed_becons),
-		    le32_to_cpu(missed_beacon->num_recvd_beacons),
-		    le32_to_cpu(missed_beacon->num_expected_beacons));
-		priv->sensitivity_data.state = IWL_SENS_CALIB_NEED_REINIT;
-		if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)))
-			queue_work(priv->workqueue, &priv->sensitivity_work);
-	}
-#endif /*CONFIG_IWL4965_SENSITIVITY*/
-}
-#ifdef CONFIG_IWL4965_HT
-
-/**
- * iwl4965_sta_modify_enable_tid_tx - Enable Tx for this TID in station table
- */
-static void iwl4965_sta_modify_enable_tid_tx(struct iwl_priv *priv,
-					 int sta_id, int tid)
-{
-	unsigned long flags;
-
-	/* Remove "disable" flag, to enable Tx for this TID */
-	spin_lock_irqsave(&priv->sta_lock, flags);
-	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX;
-	priv->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid));
-	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
-
-	iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
-}
-
-/**
- * iwl4965_tx_status_reply_compressed_ba - Update tx status from block-ack
- *
- * Go through block-ack's bitmap of ACK'd frames, update driver's record of
- * ACK vs. not.  This gets sent to mac80211, then to rate scaling algo.
- */
-static int iwl4965_tx_status_reply_compressed_ba(struct iwl_priv *priv,
-						 struct iwl4965_ht_agg *agg,
-						 struct iwl4965_compressed_ba_resp*
-						 ba_resp)
-
-{
-	int i, sh, ack;
-	u16 seq_ctl = le16_to_cpu(ba_resp->seq_ctl);
-	u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
-	u64 bitmap;
-	int successes = 0;
-	struct ieee80211_tx_status *tx_status;
-
-	if (unlikely(!agg->wait_for_ba))  {
-		IWL_ERROR("Received BA when not expected\n");
-		return -EINVAL;
-	}
-
-	/* Mark that the expected block-ack response arrived */
-	agg->wait_for_ba = 0;
-	IWL_DEBUG_TX_REPLY("BA %d %d\n", agg->start_idx, ba_resp->seq_ctl);
-
-	/* Calculate shift to align block-ack bits with our Tx window bits */
-	sh = agg->start_idx - SEQ_TO_INDEX(seq_ctl>>4);
-	if (sh < 0) /* tbw something is wrong with indices */
-		sh += 0x100;
-
-	/* don't use 64-bit values for now */
-	bitmap = le64_to_cpu(ba_resp->bitmap) >> sh;
-
-	if (agg->frame_count > (64 - sh)) {
-		IWL_DEBUG_TX_REPLY("more frames than bitmap size");
-		return -1;
-	}
-
-	/* check for success or failure according to the
-	 * transmitted bitmap and block-ack bitmap */
-	bitmap &= agg->bitmap;
-
-	/* For each frame attempted in aggregation,
-	 * update driver's record of tx frame's status. */
-	for (i = 0; i < agg->frame_count ; i++) {
-		ack = bitmap & (1 << i);
-		successes += !!ack;
-		IWL_DEBUG_TX_REPLY("%s ON i=%d idx=%d raw=%d\n",
-			ack? "ACK":"NACK", i, (agg->start_idx + i) & 0xff,
-			agg->start_idx + i);
-	}
-
-	tx_status = &priv->txq[scd_flow].txb[agg->start_idx].status;
-	tx_status->flags = IEEE80211_TX_STATUS_ACK;
-	tx_status->flags |= IEEE80211_TX_STATUS_AMPDU;
-	tx_status->ampdu_ack_map = successes;
-	tx_status->ampdu_ack_len = agg->frame_count;
-	iwl4965_hwrate_to_tx_control(priv, agg->rate_n_flags,
-				     &tx_status->control);
-
-	IWL_DEBUG_TX_REPLY("Bitmap %llx\n", (unsigned long long)bitmap);
-
-	return 0;
-}
-
 /**
  * iwl4965_tx_queue_stop_scheduler - Stop queue, but keep configuration
  */
@@ -4254,22 +1938,24 @@ static void iwl4965_tx_queue_stop_scheduler(struct iwl_priv *priv,
 	 * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
 	iwl_write_prph(priv,
 		IWL49_SCD_QUEUE_STATUS_BITS(txq_id),
-		(0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
-		(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
+		(0 << IWL49_SCD_QUEUE_STTS_REG_POS_ACTIVE)|
+		(1 << IWL49_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
 }
 
 /**
- * txq_id must be greater than IWL_BACK_QUEUE_FIRST_ID
+ * txq_id must be greater than IWL49_FIRST_AMPDU_QUEUE
  * priv->lock must be held by the caller
  */
-static int iwl4965_tx_queue_agg_disable(struct iwl_priv *priv, u16 txq_id,
-					u16 ssn_idx, u8 tx_fifo)
+static int iwl4965_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
+				   u16 ssn_idx, u8 tx_fifo)
 {
 	int ret = 0;
 
-	if (IWL_BACK_QUEUE_FIRST_ID > txq_id) {
-		IWL_WARNING("queue number too small: %d, must be > %d\n",
-				txq_id, IWL_BACK_QUEUE_FIRST_ID);
+	if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
+	    (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+		IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
+			txq_id, IWL49_FIRST_AMPDU_QUEUE,
+			IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
 		return -EINVAL;
 	}
 
@@ -4287,7 +1973,7 @@ static int iwl4965_tx_queue_agg_disable(struct iwl_priv *priv, u16 txq_id,
 	iwl4965_set_wr_ptrs(priv, txq_id, ssn_idx);
 
 	iwl_clear_bits_prph(priv, IWL49_SCD_INTERRUPT_MASK, (1 << txq_id));
-	iwl4965_txq_ctx_deactivate(priv, txq_id);
+	iwl_txq_ctx_deactivate(priv, txq_id);
 	iwl4965_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 0);
 
 	iwl_release_nic_access(priv);
@@ -4295,121 +1981,6 @@ static int iwl4965_tx_queue_agg_disable(struct iwl_priv *priv, u16 txq_id,
 	return 0;
 }
 
-int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
-					 u8 tid, int txq_id)
-{
-	struct iwl4965_queue *q = &priv->txq[txq_id].q;
-	u8 *addr = priv->stations[sta_id].sta.sta.addr;
-	struct iwl4965_tid_data *tid_data = &priv->stations[sta_id].tid[tid];
-
-	switch (priv->stations[sta_id].tid[tid].agg.state) {
-	case IWL_EMPTYING_HW_QUEUE_DELBA:
-		/* We are reclaiming the last packet of the */
-		/* aggregated HW queue */
-		if (txq_id  == tid_data->agg.txq_id &&
-		    q->read_ptr == q->write_ptr) {
-			u16 ssn = SEQ_TO_SN(tid_data->seq_number);
-			int tx_fifo = default_tid_to_tx_fifo[tid];
-			IWL_DEBUG_HT("HW queue empty: continue DELBA flow\n");
-			iwl4965_tx_queue_agg_disable(priv, txq_id,
-						     ssn, tx_fifo);
-			tid_data->agg.state = IWL_AGG_OFF;
-			ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, addr, tid);
-		}
-		break;
-	case IWL_EMPTYING_HW_QUEUE_ADDBA:
-		/* We are reclaiming the last packet of the queue */
-		if (tid_data->tfds_in_queue == 0) {
-			IWL_DEBUG_HT("HW queue empty: continue ADDBA flow\n");
-			tid_data->agg.state = IWL_AGG_ON;
-			ieee80211_start_tx_ba_cb_irqsafe(priv->hw, addr, tid);
-		}
-		break;
-	}
-	return 0;
-}
-
-/**
- * iwl4965_queue_dec_wrap - Decrement queue index, wrap back to end if needed
- * @index -- current index
- * @n_bd -- total number of entries in queue (s/b power of 2)
- */
-static inline int iwl4965_queue_dec_wrap(int index, int n_bd)
-{
-	return (index == 0) ? n_bd - 1 : index - 1;
-}
-
-/**
- * iwl4965_rx_reply_compressed_ba - Handler for REPLY_COMPRESSED_BA
- *
- * Handles block-acknowledge notification from device, which reports success
- * of frames sent via aggregation.
- */
-static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv,
-					   struct iwl4965_rx_mem_buffer *rxb)
-{
-	struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data;
-	struct iwl4965_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba;
-	int index;
-	struct iwl4965_tx_queue *txq = NULL;
-	struct iwl4965_ht_agg *agg;
-	DECLARE_MAC_BUF(mac);
-
-	/* "flow" corresponds to Tx queue */
-	u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
-
-	/* "ssn" is start of block-ack Tx window, corresponds to index
-	 * (in Tx queue's circular buffer) of first TFD/frame in window */
-	u16 ba_resp_scd_ssn = le16_to_cpu(ba_resp->scd_ssn);
-
-	if (scd_flow >= priv->hw_params.max_txq_num) {
-		IWL_ERROR("BUG_ON scd_flow is bigger than number of queues");
-		return;
-	}
-
-	txq = &priv->txq[scd_flow];
-	agg = &priv->stations[ba_resp->sta_id].tid[ba_resp->tid].agg;
-
-	/* Find index just before block-ack window */
-	index = iwl4965_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
-
-	/* TODO: Need to get this copy more safely - now good for debug */
-
-	IWL_DEBUG_TX_REPLY("REPLY_COMPRESSED_BA [%d]Received from %s, "
-			   "sta_id = %d\n",
-			   agg->wait_for_ba,
-			   print_mac(mac, (u8*) &ba_resp->sta_addr_lo32),
-			   ba_resp->sta_id);
-	IWL_DEBUG_TX_REPLY("TID = %d, SeqCtl = %d, bitmap = 0x%llx, scd_flow = "
-			   "%d, scd_ssn = %d\n",
-			   ba_resp->tid,
-			   ba_resp->seq_ctl,
-			   (unsigned long long)le64_to_cpu(ba_resp->bitmap),
-			   ba_resp->scd_flow,
-			   ba_resp->scd_ssn);
-	IWL_DEBUG_TX_REPLY("DAT start_idx = %d, bitmap = 0x%llx \n",
-			   agg->start_idx,
-			   (unsigned long long)agg->bitmap);
-
-	/* Update driver's record of ACK vs. not for each frame in window */
-	iwl4965_tx_status_reply_compressed_ba(priv, agg, ba_resp);
-
-	/* Release all TFDs before the SSN, i.e. all TFDs in front of
-	 * block-ack window (we assume that they've been successfully
-	 * transmitted ... if not, it's too late anyway). */
-	if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) {
-		int freed = iwl4965_tx_queue_reclaim(priv, scd_flow, index);
-		priv->stations[ba_resp->sta_id].
-			tid[ba_resp->tid].tfds_in_queue -= freed;
-		if (iwl4965_queue_space(&txq->q) > txq->q.low_mark &&
-			priv->mac80211_registered &&
-			agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)
-			ieee80211_wake_queue(priv->hw, scd_flow);
-		iwl4965_check_empty_hw_queue(priv, ba_resp->sta_id,
-			ba_resp->tid, scd_flow);
-	}
-}
-
 /**
  * iwl4965_tx_queue_set_q2ratid - Map unique receiver/tid combination to a queue
  */
@@ -4420,10 +1991,10 @@ static int iwl4965_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid,
 	u32 tbl_dw;
 	u16 scd_q2ratid;
 
-	scd_q2ratid = ra_tid & SCD_QUEUE_RA_TID_MAP_RATID_MSK;
+	scd_q2ratid = ra_tid & IWL_SCD_QUEUE_RA_TID_MAP_RATID_MSK;
 
 	tbl_dw_addr = priv->scd_base_addr +
-			SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id);
+			IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id);
 
 	tbl_dw = iwl_read_targ_mem(priv, tbl_dw_addr);
 
@@ -4441,31 +2012,34 @@ static int iwl4965_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid,
 /**
  * iwl4965_tx_queue_agg_enable - Set up & enable aggregation for selected queue
  *
- * NOTE:  txq_id must be greater than IWL_BACK_QUEUE_FIRST_ID,
+ * NOTE:  txq_id must be greater than IWL49_FIRST_AMPDU_QUEUE,
  *        i.e. it must be one of the higher queues used for aggregation
  */
-static int iwl4965_tx_queue_agg_enable(struct iwl_priv *priv, int txq_id,
-				       int tx_fifo, int sta_id, int tid,
-				       u16 ssn_idx)
+static int iwl4965_txq_agg_enable(struct iwl_priv *priv, int txq_id,
+				  int tx_fifo, int sta_id, int tid, u16 ssn_idx)
 {
 	unsigned long flags;
-	int rc;
+	int ret;
 	u16 ra_tid;
 
-	if (IWL_BACK_QUEUE_FIRST_ID > txq_id)
-		IWL_WARNING("queue number too small: %d, must be > %d\n",
-			txq_id, IWL_BACK_QUEUE_FIRST_ID);
+	if ((IWL49_FIRST_AMPDU_QUEUE > txq_id) ||
+	    (IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES <= txq_id)) {
+		IWL_WARNING("queue number out of range: %d, must be %d to %d\n",
+			txq_id, IWL49_FIRST_AMPDU_QUEUE,
+			IWL49_FIRST_AMPDU_QUEUE + IWL49_NUM_AMPDU_QUEUES - 1);
+		return -EINVAL;
+	}
 
 	ra_tid = BUILD_RAxTID(sta_id, tid);
 
 	/* Modify device's station table to Tx this TID */
-	iwl4965_sta_modify_enable_tid_tx(priv, sta_id, tid);
+	iwl_sta_modify_enable_tid_tx(priv, sta_id, tid);
 
 	spin_lock_irqsave(&priv->lock, flags);
-	rc = iwl_grab_nic_access(priv);
-	if (rc) {
+	ret = iwl_grab_nic_access(priv);
+	if (ret) {
 		spin_unlock_irqrestore(&priv->lock, flags);
-		return rc;
+		return ret;
 	}
 
 	/* Stop this Tx queue before configuring it */
@@ -4485,14 +2059,14 @@ static int iwl4965_tx_queue_agg_enable(struct iwl_priv *priv, int txq_id,
 
 	/* Set up Tx window size and frame limit for this queue */
 	iwl_write_targ_mem(priv,
-			priv->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(txq_id),
-			(SCD_WIN_SIZE << SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) &
-			SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK);
+		priv->scd_base_addr + IWL49_SCD_CONTEXT_QUEUE_OFFSET(txq_id),
+		(SCD_WIN_SIZE << IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_POS) &
+		IWL49_SCD_QUEUE_CTX_REG1_WIN_SIZE_MSK);
 
 	iwl_write_targ_mem(priv, priv->scd_base_addr +
-			SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32),
-			(SCD_FRAME_LIMIT << SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS)
-			& SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK);
+		IWL49_SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32),
+		(SCD_FRAME_LIMIT << IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS)
+		& IWL49_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK);
 
 	iwl_set_bits_prph(priv, IWL49_SCD_INTERRUPT_MASK, (1 << txq_id));
 
@@ -4505,444 +2079,313 @@ static int iwl4965_tx_queue_agg_enable(struct iwl_priv *priv, int txq_id,
 	return 0;
 }
 
-#endif /* CONFIG_IWL4965_HT */
-
-/**
- * iwl4965_add_station - Initialize a station's hardware rate table
- *
- * The uCode's station table contains a table of fallback rates
- * for automatic fallback during transmission.
- *
- * NOTE: This sets up a default set of values.  These will be replaced later
- *       if the driver's iwl-4965-rs rate scaling algorithm is used, instead of
- *       rc80211_simple.
- *
- * NOTE: Run REPLY_ADD_STA command to set up station table entry, before
- *       calling this function (which runs REPLY_TX_LINK_QUALITY_CMD,
- *       which requires station table entry to exist).
- */
-void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
-{
-	int i, r;
-	struct iwl_link_quality_cmd link_cmd = {
-		.reserved1 = 0,
-	};
-	u16 rate_flags;
-
-	/* Set up the rate scaling to start at selected rate, fall back
-	 * all the way down to 1M in IEEE order, and then spin on 1M */
-	if (is_ap)
-		r = IWL_RATE_54M_INDEX;
-	else if (priv->band == IEEE80211_BAND_5GHZ)
-		r = IWL_RATE_6M_INDEX;
-	else
-		r = IWL_RATE_1M_INDEX;
-
-	for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
-		rate_flags = 0;
-		if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE)
-			rate_flags |= RATE_MCS_CCK_MSK;
-
-		/* Use Tx antenna B only */
-		rate_flags |= RATE_MCS_ANT_B_MSK;
-		rate_flags &= ~RATE_MCS_ANT_A_MSK;
-
-		link_cmd.rs_table[i].rate_n_flags =
-			iwl4965_hw_set_rate_n_flags(iwl4965_rates[r].plcp, rate_flags);
-		r = iwl4965_get_prev_ieee_rate(r);
-	}
-
-	link_cmd.general_params.single_stream_ant_msk = 2;
-	link_cmd.general_params.dual_stream_ant_msk = 3;
-	link_cmd.agg_params.agg_dis_start_th = 3;
-	link_cmd.agg_params.agg_time_limit = cpu_to_le16(4000);
-
-	/* Update the rate scaling for control frame Tx to AP */
-	link_cmd.sta_id = is_ap ? IWL_AP_ID : priv->hw_params.bcast_sta_id;
-
-	iwl_send_cmd_pdu_async(priv, REPLY_TX_LINK_QUALITY_CMD,
-			       sizeof(link_cmd), &link_cmd, NULL);
-}
-
-#ifdef CONFIG_IWL4965_HT
-
-static u8 iwl4965_is_channel_extension(struct iwl_priv *priv,
-				       enum ieee80211_band band,
-				       u16 channel, u8 extension_chan_offset)
-{
-	const struct iwl_channel_info *ch_info;
-
-	ch_info = iwl_get_channel_info(priv, band, channel);
-	if (!is_channel_valid(ch_info))
-		return 0;
-
-	if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE)
-		return 0;
-
-	if ((ch_info->fat_extension_channel == extension_chan_offset) ||
-	    (ch_info->fat_extension_channel == HT_IE_EXT_CHANNEL_MAX))
-		return 1;
-
-	return 0;
-}
-
-static u8 iwl4965_is_fat_tx_allowed(struct iwl_priv *priv,
-				struct ieee80211_ht_info *sta_ht_inf)
-{
-	struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config;
-
-	if ((!iwl_ht_conf->is_ht) ||
-	   (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) ||
-	   (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE))
-		return 0;
-
-	if (sta_ht_inf) {
-		if ((!sta_ht_inf->ht_supported) ||
-		   (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH)))
-			return 0;
-	}
-
-	return (iwl4965_is_channel_extension(priv, priv->band,
-					 iwl_ht_conf->control_channel,
-					 iwl_ht_conf->extension_chan_offset));
-}
-
-void iwl4965_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
+int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
+			     enum ieee80211_ampdu_mlme_action action,
+			     const u8 *addr, u16 tid, u16 *ssn)
 {
-	struct iwl4965_rxon_cmd *rxon = &priv->staging_rxon;
-	u32 val;
+	struct iwl_priv *priv = hw->priv;
+	DECLARE_MAC_BUF(mac);
 
-	if (!ht_info->is_ht)
-		return;
+	IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n",
+		     print_mac(mac, addr), tid);
 
-	/* Set up channel bandwidth:  20 MHz only, or 20/40 mixed if fat ok */
-	if (iwl4965_is_fat_tx_allowed(priv, NULL))
-		rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED_MSK;
-	else
-		rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
-				 RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
-
-	if (le16_to_cpu(rxon->channel) != ht_info->control_channel) {
-		IWL_DEBUG_ASSOC("control diff than current %d %d\n",
-				le16_to_cpu(rxon->channel),
-				ht_info->control_channel);
-		rxon->channel = cpu_to_le16(ht_info->control_channel);
-		return;
-	}
+	if (!(priv->cfg->sku & IWL_SKU_N))
+		return -EACCES;
 
-	/* Note: control channel is opposite of extension channel */
-	switch (ht_info->extension_chan_offset) {
-	case IWL_EXT_CHANNEL_OFFSET_ABOVE:
-		rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
-		break;
-	case IWL_EXT_CHANNEL_OFFSET_BELOW:
-		rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
-		break;
-	case IWL_EXT_CHANNEL_OFFSET_NONE:
+	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:
-		rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
+		IWL_DEBUG_HT("unknown\n");
+		return -EINVAL;
 		break;
 	}
-
-	val = ht_info->ht_protection;
-
-	rxon->flags |= cpu_to_le32(val << RXON_FLG_HT_OPERATING_MODE_POS);
-
-	iwl4965_set_rxon_chain(priv);
-
-	IWL_DEBUG_ASSOC("supported HT rate 0x%X %X "
-			"rxon flags 0x%X operation mode :0x%X "
-			"extension channel offset 0x%x "
-			"control chan %d\n",
-			ht_info->supp_mcs_set[0], ht_info->supp_mcs_set[1],
-			le32_to_cpu(rxon->flags), ht_info->ht_protection,
-			ht_info->extension_chan_offset,
-			ht_info->control_channel);
-	return;
+	return 0;
 }
 
-void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
-				struct ieee80211_ht_info *sta_ht_inf)
+static u16 iwl4965_get_hcmd_size(u8 cmd_id, u16 len)
 {
-	__le32 sta_flags;
-	u8 mimo_ps_mode;
-
-	if (!sta_ht_inf || !sta_ht_inf->ht_supported)
-		goto done;
-
-	mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2;
-
-	sta_flags = priv->stations[index].sta.station_flags;
-
-	sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK);
-
-	switch (mimo_ps_mode) {
-	case WLAN_HT_CAP_MIMO_PS_STATIC:
-		sta_flags |= STA_FLG_MIMO_DIS_MSK;
-		break;
-	case WLAN_HT_CAP_MIMO_PS_DYNAMIC:
-		sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK;
-		break;
-	case WLAN_HT_CAP_MIMO_PS_DISABLED:
-		break;
+	switch (cmd_id) {
+	case REPLY_RXON:
+		return (u16) sizeof(struct iwl4965_rxon_cmd);
 	default:
-		IWL_WARNING("Invalid MIMO PS mode %d", mimo_ps_mode);
-		break;
+		return len;
 	}
-
-	sta_flags |= cpu_to_le32(
-	      (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS);
-
-	sta_flags |= cpu_to_le32(
-	      (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
-
-	if (iwl4965_is_fat_tx_allowed(priv, sta_ht_inf))
-		sta_flags |= STA_FLG_FAT_EN_MSK;
-	else
-		sta_flags &= ~STA_FLG_FAT_EN_MSK;
-
-	priv->stations[index].sta.station_flags = sta_flags;
- done:
-	return;
 }
 
-static void iwl4965_sta_modify_add_ba_tid(struct iwl_priv *priv,
-					  int sta_id, int tid, u16 ssn)
+static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->sta_lock, flags);
-	priv->stations[sta_id].sta.station_flags_msk = 0;
-	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK;
-	priv->stations[sta_id].sta.add_immediate_ba_tid = (u8)tid;
-	priv->stations[sta_id].sta.add_immediate_ba_ssn = cpu_to_le16(ssn);
-	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
+	struct iwl4965_addsta_cmd *addsta = (struct iwl4965_addsta_cmd *)data;
+	addsta->mode = cmd->mode;
+	memcpy(&addsta->sta, &cmd->sta, sizeof(struct sta_id_modify));
+	memcpy(&addsta->key, &cmd->key, sizeof(struct iwl4965_keyinfo));
+	addsta->station_flags = cmd->station_flags;
+	addsta->station_flags_msk = cmd->station_flags_msk;
+	addsta->tid_disable_tx = cmd->tid_disable_tx;
+	addsta->add_immediate_ba_tid = cmd->add_immediate_ba_tid;
+	addsta->remove_immediate_ba_tid = cmd->remove_immediate_ba_tid;
+	addsta->add_immediate_ba_ssn = cmd->add_immediate_ba_ssn;
+	addsta->reserved1 = __constant_cpu_to_le16(0);
+	addsta->reserved2 = __constant_cpu_to_le32(0);
 
-	iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+	return (u16)sizeof(struct iwl4965_addsta_cmd);
 }
 
-static void iwl4965_sta_modify_del_ba_tid(struct iwl_priv *priv,
-					  int sta_id, int tid)
+static inline u32 iwl4965_get_scd_ssn(struct iwl4965_tx_resp *tx_resp)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->sta_lock, flags);
-	priv->stations[sta_id].sta.station_flags_msk = 0;
-	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK;
-	priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid;
-	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
-
-	iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+	return le32_to_cpup(&tx_resp->u.status + tx_resp->frame_count) & MAX_SN;
 }
 
-/*
- * Find first available (lowest unused) Tx Queue, mark it "active".
- * Called only when finding queue for aggregation.
- * Should never return anything < 7, because they should already
- * be in use as EDCA AC (0-3), Command (4), HCCA (5, 6).
+/**
+ * iwl4965_tx_status_reply_tx - Handle Tx rspnse for frames in aggregation queue
  */
-static int iwl4965_txq_ctx_activate_free(struct iwl_priv *priv)
-{
-	int txq_id;
-
-	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
-		if (!test_and_set_bit(txq_id, &priv->txq_ctx_active_msk))
-			return txq_id;
-	return -1;
-}
-
-static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da,
-				       u16 tid, u16 *start_seq_num)
+static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
+				      struct iwl_ht_agg *agg,
+				      struct iwl4965_tx_resp *tx_resp,
+				      int txq_id, u16 start_idx)
 {
-	struct iwl_priv *priv = hw->priv;
-	int sta_id;
-	int tx_fifo;
-	int txq_id;
-	int ssn = -1;
-	int ret = 0;
-	unsigned long flags;
-	struct iwl4965_tid_data *tid_data;
-	DECLARE_MAC_BUF(mac);
-
-	if (likely(tid < ARRAY_SIZE(default_tid_to_tx_fifo)))
-		tx_fifo = default_tid_to_tx_fifo[tid];
-	else
-		return -EINVAL;
-
-	IWL_WARNING("%s on da = %s tid = %d\n",
-			__func__, print_mac(mac, da), tid);
-
-	sta_id = iwl4965_hw_find_station(priv, da);
-	if (sta_id == IWL_INVALID_STATION)
-		return -ENXIO;
-
-	if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_OFF) {
-		IWL_ERROR("Start AGG when state is not IWL_AGG_OFF !\n");
-		return -ENXIO;
-	}
-
-	txq_id = iwl4965_txq_ctx_activate_free(priv);
-	if (txq_id == -1)
-		return -ENXIO;
+	u16 status;
+	struct agg_tx_status *frame_status = tx_resp->u.agg_status;
+	struct ieee80211_tx_info *info = NULL;
+	struct ieee80211_hdr *hdr = NULL;
+	u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags);
+	int i, sh, idx;
+	u16 seq;
+	if (agg->wait_for_ba)
+		IWL_DEBUG_TX_REPLY("got tx response w/o block-ack\n");
+
+	agg->frame_count = tx_resp->frame_count;
+	agg->start_idx = start_idx;
+	agg->rate_n_flags = rate_n_flags;
+	agg->bitmap = 0;
+
+	/* # frames attempted by Tx command */
+	if (agg->frame_count == 1) {
+		/* Only one frame was attempted; no block-ack will arrive */
+		status = le16_to_cpu(frame_status[0].status);
+		idx = start_idx;
+
+		/* FIXME: code repetition */
+		IWL_DEBUG_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
+				   agg->frame_count, agg->start_idx, idx);
+
+		info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
+		info->status.retry_count = tx_resp->failure_frame;
+		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
+		info->flags |= iwl_is_tx_success(status)?
+			IEEE80211_TX_STAT_ACK : 0;
+		iwl_hwrate_to_tx_control(priv, rate_n_flags, info);
+		/* FIXME: code repetition end */
+
+		IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
+				    status & 0xff, tx_resp->failure_frame);
+		IWL_DEBUG_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags);
+
+		agg->wait_for_ba = 0;
+	} else {
+		/* Two or more frames were attempted; expect block-ack */
+		u64 bitmap = 0;
+		int start = agg->start_idx;
+
+		/* Construct bit-map of pending frames within Tx window */
+		for (i = 0; i < agg->frame_count; i++) {
+			u16 sc;
+			status = le16_to_cpu(frame_status[i].status);
+			seq  = le16_to_cpu(frame_status[i].sequence);
+			idx = SEQ_TO_INDEX(seq);
+			txq_id = SEQ_TO_QUEUE(seq);
+
+			if (status & (AGG_TX_STATE_FEW_BYTES_MSK |
+				      AGG_TX_STATE_ABORT_MSK))
+				continue;
+
+			IWL_DEBUG_TX_REPLY("FrameCnt = %d, txq_id=%d idx=%d\n",
+					   agg->frame_count, txq_id, idx);
+
+			hdr = iwl_tx_queue_get_hdr(priv, txq_id, idx);
+
+			sc = le16_to_cpu(hdr->seq_ctrl);
+			if (idx != (SEQ_TO_SN(sc) & 0xff)) {
+				IWL_ERROR("BUG_ON idx doesn't match seq control"
+					  " idx=%d, seq_idx=%d, seq=%d\n",
+					  idx, SEQ_TO_SN(sc),
+					  hdr->seq_ctrl);
+				return -1;
+			}
 
-	spin_lock_irqsave(&priv->sta_lock, flags);
-	tid_data = &priv->stations[sta_id].tid[tid];
-	ssn = SEQ_TO_SN(tid_data->seq_number);
-	tid_data->agg.txq_id = txq_id;
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
+			IWL_DEBUG_TX_REPLY("AGG Frame i=%d idx %d seq=%d\n",
+					   i, idx, SEQ_TO_SN(sc));
+
+			sh = idx - start;
+			if (sh > 64) {
+				sh = (start - idx) + 0xff;
+				bitmap = bitmap << sh;
+				sh = 0;
+				start = idx;
+			} else if (sh < -64)
+				sh  = 0xff - (start - idx);
+			else if (sh < 0) {
+				sh = start - idx;
+				start = idx;
+				bitmap = bitmap << sh;
+				sh = 0;
+			}
+			bitmap |= (1 << sh);
+			IWL_DEBUG_TX_REPLY("start=%d bitmap=0x%x\n",
+					   start, (u32)(bitmap & 0xFFFFFFFF));
+		}
 
-	*start_seq_num = ssn;
-	ret = iwl4965_tx_queue_agg_enable(priv, txq_id, tx_fifo,
-					  sta_id, tid, ssn);
-	if (ret)
-		return ret;
+		agg->bitmap = bitmap;
+		agg->start_idx = start;
+		IWL_DEBUG_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n",
+				   agg->frame_count, agg->start_idx,
+				   (unsigned long long)agg->bitmap);
 
-	ret = 0;
-	if (tid_data->tfds_in_queue == 0) {
-		printk(KERN_ERR "HW queue is empty\n");
-		tid_data->agg.state = IWL_AGG_ON;
-		ieee80211_start_tx_ba_cb_irqsafe(hw, da, tid);
-	} else {
-		IWL_DEBUG_HT("HW queue is NOT empty: %d packets in HW queue\n",
-				tid_data->tfds_in_queue);
-		tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA;
+		if (bitmap)
+			agg->wait_for_ba = 1;
 	}
-	return ret;
+	return 0;
 }
 
-static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da,
-				      u16 tid)
-{
-
-	struct iwl_priv *priv = hw->priv;
-	int tx_fifo_id, txq_id, sta_id, ssn = -1;
-	struct iwl4965_tid_data *tid_data;
-	int ret, write_ptr, read_ptr;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac);
+/**
+ * iwl4965_rx_reply_tx - Handle standard (non-aggregation) Tx response
+ */
+static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
+				struct iwl_rx_mem_buffer *rxb)
+{
+	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+	u16 sequence = le16_to_cpu(pkt->hdr.sequence);
+	int txq_id = SEQ_TO_QUEUE(sequence);
+	int index = SEQ_TO_INDEX(sequence);
+	struct iwl_tx_queue *txq = &priv->txq[txq_id];
+	struct ieee80211_tx_info *info;
+	struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
+	u32  status = le32_to_cpu(tx_resp->u.status);
+	int tid = MAX_TID_COUNT, sta_id = IWL_INVALID_STATION;
+	__le16 fc;
+	struct ieee80211_hdr *hdr;
+	u8 *qc = NULL;
 
-	if (!da) {
-		IWL_ERROR("da = NULL\n");
-		return -EINVAL;
+	if ((index >= txq->q.n_bd) || (iwl_queue_used(&txq->q, index) == 0)) {
+		IWL_ERROR("Read index for DMA queue txq_id (%d) index %d "
+			  "is out of range [0-%d] %d %d\n", txq_id,
+			  index, txq->q.n_bd, txq->q.write_ptr,
+			  txq->q.read_ptr);
+		return;
 	}
 
-	if (likely(tid < ARRAY_SIZE(default_tid_to_tx_fifo)))
-		tx_fifo_id = default_tid_to_tx_fifo[tid];
-	else
-		return -EINVAL;
-
-	sta_id = iwl4965_hw_find_station(priv, da);
-
-	if (sta_id == IWL_INVALID_STATION)
-		return -ENXIO;
-
-	if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_ON)
-		IWL_WARNING("Stopping AGG while state not IWL_AGG_ON\n");
+	info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
+	memset(&info->status, 0, sizeof(info->status));
 
-	tid_data = &priv->stations[sta_id].tid[tid];
-	ssn = (tid_data->seq_number & IEEE80211_SCTL_SEQ) >> 4;
-	txq_id = tid_data->agg.txq_id;
-	write_ptr = priv->txq[txq_id].q.write_ptr;
-	read_ptr = priv->txq[txq_id].q.read_ptr;
+	hdr = iwl_tx_queue_get_hdr(priv, txq_id, index);
+	fc = hdr->frame_control;
+	if (ieee80211_is_data_qos(fc)) {
+		qc = ieee80211_get_qos_ctl(hdr);
+		tid = qc[0] & 0xf;
+	}
 
-	/* The queue is not empty */
-	if (write_ptr != read_ptr) {
-		IWL_DEBUG_HT("Stopping a non empty AGG HW QUEUE\n");
-		priv->stations[sta_id].tid[tid].agg.state =
-				IWL_EMPTYING_HW_QUEUE_DELBA;
-		return 0;
+	sta_id = iwl_get_ra_sta_id(priv, hdr);
+	if (txq->sched_retry && unlikely(sta_id == IWL_INVALID_STATION)) {
+		IWL_ERROR("Station not known\n");
+		return;
 	}
 
-	IWL_DEBUG_HT("HW queue empty\n");;
-	priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
+	if (txq->sched_retry) {
+		const u32 scd_ssn = iwl4965_get_scd_ssn(tx_resp);
+		struct iwl_ht_agg *agg = NULL;
 
-	spin_lock_irqsave(&priv->lock, flags);
-	ret = iwl4965_tx_queue_agg_disable(priv, txq_id, ssn, tx_fifo_id);
-	spin_unlock_irqrestore(&priv->lock, flags);
+		if (!qc)
+			return;
 
-	if (ret)
-		return ret;
+		agg = &priv->stations[sta_id].tid[tid].agg;
 
-	ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, da, tid);
+		iwl4965_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
 
-	IWL_DEBUG_INFO("iwl4965_mac_ht_tx_agg_stop on da=%s tid=%d\n",
-			print_mac(mac, da), tid);
+		/* check if BAR is needed */
+		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status))
+			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
 
-	return 0;
-}
+		if (txq->q.read_ptr != (scd_ssn & 0xff)) {
+			int freed, ampdu_q;
+			index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd);
+			IWL_DEBUG_TX_REPLY("Retry scheduler reclaim scd_ssn "
+					   "%d index %d\n", scd_ssn , index);
+			freed = iwl_tx_queue_reclaim(priv, txq_id, index);
+			priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
 
-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;
-	int sta_id;
-	DECLARE_MAC_BUF(mac);
-
-	IWL_DEBUG_HT("A-MPDU action on da=%s tid=%d ",
-			print_mac(mac, addr), tid);
-	sta_id = iwl4965_hw_find_station(priv, addr);
-	switch (action) {
-	case IEEE80211_AMPDU_RX_START:
-		IWL_DEBUG_HT("start Rx\n");
-		iwl4965_sta_modify_add_ba_tid(priv, sta_id, tid, *ssn);
-		break;
-	case IEEE80211_AMPDU_RX_STOP:
-		IWL_DEBUG_HT("stop Rx\n");
-		iwl4965_sta_modify_del_ba_tid(priv, sta_id, tid);
-		break;
-	case IEEE80211_AMPDU_TX_START:
-		IWL_DEBUG_HT("start Tx\n");
-		return iwl4965_mac_ht_tx_agg_start(hw, addr, tid, ssn);
-	case IEEE80211_AMPDU_TX_STOP:
-		IWL_DEBUG_HT("stop Tx\n");
-		return iwl4965_mac_ht_tx_agg_stop(hw, addr, tid);
-	default:
-		IWL_DEBUG_HT("unknown\n");
-		return -EINVAL;
-		break;
+			if (iwl_queue_space(&txq->q) > txq->q.low_mark &&
+			    txq_id >= 0 && priv->mac80211_registered &&
+			    agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) {
+				/* calculate mac80211 ampdu sw queue to wake */
+				ampdu_q = txq_id - IWL49_FIRST_AMPDU_QUEUE +
+					  priv->hw->queues;
+				if (agg->state == IWL_AGG_OFF)
+					ieee80211_wake_queue(priv->hw, txq_id);
+				else
+					ieee80211_wake_queue(priv->hw, ampdu_q);
+			}
+			iwl_txq_check_empty(priv, sta_id, tid, txq_id);
+		}
+	} else {
+		info->status.retry_count = tx_resp->failure_frame;
+		info->flags |=
+			iwl_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
+		iwl_hwrate_to_tx_control(priv,
+					le32_to_cpu(tx_resp->rate_n_flags),
+					info);
+
+		IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) rate_n_flags "
+			     "0x%x retries %d\n", txq_id,
+				iwl_get_tx_fail_reason(status),
+				status, le32_to_cpu(tx_resp->rate_n_flags),
+				tx_resp->failure_frame);
+
+		IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index);
+
+		if (index != -1) {
+		    int freed = iwl_tx_queue_reclaim(priv, txq_id, index);
+		    if (tid != MAX_TID_COUNT)
+			priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
+		    if (iwl_queue_space(&txq->q) > txq->q.low_mark &&
+			(txq_id >= 0) && priv->mac80211_registered)
+			ieee80211_wake_queue(priv->hw, txq_id);
+		    if (tid != MAX_TID_COUNT)
+			iwl_txq_check_empty(priv, sta_id, tid, txq_id);
+		}
 	}
-	return 0;
+
+	if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
+		IWL_ERROR("TODO:  Implement Tx ABORT REQUIRED!!!\n");
 }
 
-#endif /* CONFIG_IWL4965_HT */
 
 /* Set up 4965-specific Rx frame reply handlers */
-void iwl4965_hw_rx_handler_setup(struct iwl_priv *priv)
+static void iwl4965_rx_handler_setup(struct iwl_priv *priv)
 {
 	/* Legacy Rx frames */
-	priv->rx_handlers[REPLY_RX] = iwl4965_rx_reply_rx;
-
-	/* High-throughput (HT) Rx frames */
-	priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl4965_rx_reply_rx_phy;
-	priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl4965_rx_reply_rx;
-
-	priv->rx_handlers[MISSED_BEACONS_NOTIFICATION] =
-	    iwl4965_rx_missed_beacon_notif;
-
-#ifdef CONFIG_IWL4965_HT
-	priv->rx_handlers[REPLY_COMPRESSED_BA] = iwl4965_rx_reply_compressed_ba;
-#endif /* CONFIG_IWL4965_HT */
+	priv->rx_handlers[REPLY_RX] = iwl_rx_reply_rx;
+	/* Tx response */
+	priv->rx_handlers[REPLY_TX] = iwl4965_rx_reply_tx;
 }
 
-void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv)
+static void iwl4965_setup_deferred_work(struct iwl_priv *priv)
 {
 	INIT_WORK(&priv->txpower_work, iwl4965_bg_txpower_work);
-#ifdef CONFIG_IWL4965_SENSITIVITY
-	INIT_WORK(&priv->sensitivity_work, iwl4965_bg_sensitivity_work);
-#endif
-	init_timer(&priv->statistics_periodic);
-	priv->statistics_periodic.data = (unsigned long)priv;
-	priv->statistics_periodic.function = iwl4965_bg_statistics_periodic;
 }
 
-void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv)
+static void iwl4965_cancel_deferred_work(struct iwl_priv *priv)
 {
-	del_timer_sync(&priv->statistics_periodic);
-
-	cancel_delayed_work(&priv->init_alive_start);
+	cancel_work_sync(&priv->txpower_work);
 }
 
 
@@ -4951,23 +2394,56 @@ static struct iwl_hcmd_ops iwl4965_hcmd = {
 };
 
 static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = {
-	.enqueue_hcmd = iwl4965_enqueue_hcmd,
+	.get_hcmd_size = iwl4965_get_hcmd_size,
+	.build_addsta_hcmd = iwl4965_build_addsta_hcmd,
+	.chain_noise_reset = iwl4965_chain_noise_reset,
+	.gain_computation = iwl4965_gain_computation,
+	.rts_tx_cmd_flag = iwl4965_rts_tx_cmd_flag,
 };
 
 static struct iwl_lib_ops iwl4965_lib = {
-	.init_drv = iwl4965_init_drv,
 	.set_hw_params = iwl4965_hw_set_hw_params,
+	.alloc_shared_mem = iwl4965_alloc_shared_mem,
+	.free_shared_mem = iwl4965_free_shared_mem,
+	.shared_mem_rx_idx = iwl4965_shared_mem_rx_idx,
 	.txq_update_byte_cnt_tbl = iwl4965_txq_update_byte_cnt_tbl,
-	.hw_nic_init = iwl4965_hw_nic_init,
+	.txq_set_sched = iwl4965_txq_set_sched,
+	.txq_agg_enable = iwl4965_txq_agg_enable,
+	.txq_agg_disable = iwl4965_txq_agg_disable,
+	.rx_handler_setup = iwl4965_rx_handler_setup,
+	.setup_deferred_work = iwl4965_setup_deferred_work,
+	.cancel_deferred_work = iwl4965_cancel_deferred_work,
 	.is_valid_rtc_data_addr = iwl4965_hw_valid_rtc_data_addr,
 	.alive_notify = iwl4965_alive_notify,
+	.init_alive_start = iwl4965_init_alive_start,
 	.load_ucode = iwl4965_load_bsm,
+	.apm_ops = {
+		.init = iwl4965_apm_init,
+		.reset = iwl4965_apm_reset,
+		.stop = iwl4965_apm_stop,
+		.config = iwl4965_nic_config,
+		.set_pwr_src = iwl4965_set_pwr_src,
+	},
 	.eeprom_ops = {
+		.regulatory_bands = {
+			EEPROM_REGULATORY_BAND_1_CHANNELS,
+			EEPROM_REGULATORY_BAND_2_CHANNELS,
+			EEPROM_REGULATORY_BAND_3_CHANNELS,
+			EEPROM_REGULATORY_BAND_4_CHANNELS,
+			EEPROM_REGULATORY_BAND_5_CHANNELS,
+			EEPROM_4965_REGULATORY_BAND_24_FAT_CHANNELS,
+			EEPROM_4965_REGULATORY_BAND_52_FAT_CHANNELS
+		},
 		.verify_signature  = iwlcore_eeprom_verify_signature,
 		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
 		.release_semaphore = iwlcore_eeprom_release_semaphore,
+		.check_version = iwl4965_eeprom_check_version,
+		.query_addr = iwlcore_eeprom_query_addr,
 	},
-	.radio_kill_sw = iwl4965_radio_kill_sw,
+	.set_power = iwl4965_set_power,
+	.send_tx_power	= iwl4965_send_tx_power,
+	.update_chain_flags = iwl4965_update_chain_flags,
+	.temperature = iwl4965_temperature_calib,
 };
 
 static struct iwl_ops iwl4965_ops = {
@@ -4980,10 +2456,14 @@ struct iwl_cfg iwl4965_agn_cfg = {
 	.name = "4965AGN",
 	.fw_name = "iwlwifi-4965" IWL4965_UCODE_API ".ucode",
 	.sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N,
+	.eeprom_size = IWL4965_EEPROM_IMG_SIZE,
 	.ops = &iwl4965_ops,
 	.mod_params = &iwl4965_mod_params,
 };
 
+/* Module firmware */
+MODULE_FIRMWARE("iwlwifi-4965" IWL4965_UCODE_API ".ucode");
+
 module_param_named(antenna, iwl4965_mod_params.antenna, int, 0444);
 MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
 module_param_named(disable, iwl4965_mod_params.disable, int, 0444);
@@ -4998,10 +2478,14 @@ MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
 
 module_param_named(queues_num, iwl4965_mod_params.num_of_queues, int, 0444);
 MODULE_PARM_DESC(queues_num, "number of hw queues.");
-
 /* QoS */
 module_param_named(qos_enable, iwl4965_mod_params.enable_qos, int, 0444);
 MODULE_PARM_DESC(qos_enable, "enable all QoS functionality");
+/* 11n */
+module_param_named(11n_disable, iwl4965_mod_params.disable_11n, int, 0444);
+MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
 module_param_named(amsdu_size_8K, iwl4965_mod_params.amsdu_size_8K, int, 0444);
 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
 
+module_param_named(fw_restart4965, iwl4965_mod_params.restart_fw, int, 0444);
+MODULE_PARM_DESC(fw_restart4965, "restart firmware in case of error");