X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fiwlwifi%2Fiwl-4965.c;h=ab5027345a012ccb609380e2dc44dfdb3045c8a8;hb=1b63ba8a86c85524a8d7e5953b314ce71ebcb9c9;hp=bc988c3b6782df1011f9254fea6aee772b03018c;hpb=47c5196e4a340667d8d92053380ecca24ed45a9b;p=linux-2.6

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index bc988c3b67..ab5027345a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -44,41 +44,20 @@
 #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);
 
 /* module parameters */
 static struct iwl_mod_params iwl4965_mod_params = {
 	.num_of_queues = IWL49_NUM_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);
-
-#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)
 {
@@ -157,15 +136,18 @@ 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;
@@ -224,93 +206,106 @@ static int iwl4965_load_bsm(struct iwl_priv *priv)
 	return 0;
 }
 
-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);
-}
-
-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_MIMO2_6M_PLCP)
-			idx = idx - IWL_RATE_MIMO2_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;
-	}
-
-	return -1;
-}
-
 /**
- * translate ucode response to mac80211 tx status control values
+ * 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.
  */
-void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
-				  struct ieee80211_tx_control *control)
-{
-	int rate_index;
-
-	control->antenna_sel_tx =
-		((rate_n_flags & RATE_MCS_ANT_ABC_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];
-}
-
-int iwl4965_hw_rxq_stop(struct iwl_priv *priv)
+static int iwl4965_set_ucode_ptrs(struct iwl_priv *priv)
 {
-	int rc;
+	dma_addr_t pinst;
+	dma_addr_t pdata;
 	unsigned long flags;
+	int ret = 0;
+
+	/* bits 35:4 for 4965 */
+	pinst = priv->ucode_code.p_addr >> 4;
+	pdata = priv->ucode_data_backup.p_addr >> 4;
 
 	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 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");
+	/* 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);
 
+	/* 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);
+
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	return 0;
+	IWL_DEBUG_INFO("Runtime uCode pointers are set.\n");
+
+	return ret;
+}
+
+/**
+ * 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;
+
+restart:
+	queue_work(priv->workqueue, &priv->restart);
+}
+
+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);
 }
 
 /*
@@ -372,181 +367,26 @@ int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
 	return ret;
 }
 
-static int iwl4965_rx_init(struct iwl_priv *priv, struct iwl_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;
-	}
-
-	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, 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;
-}
-
-/**
- * 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)
-{
-	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;
-}
 static int iwl4965_apm_init(struct iwl_priv *priv)
 {
-	unsigned long flags;
 	int ret = 0;
 
-	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_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);
@@ -565,17 +405,17 @@ static int iwl4965_apm_init(struct iwl_priv *priv)
 		goto out;
 
 	/* enable DMA */
-	iwl_write_prph(priv, APMG_CLK_CTRL_REG,
-			APMG_CLK_VAL_DMA_CLK_RQT | APMG_CLK_VAL_BSM_CLK_RQT);
+	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);
 
 	iwl_release_nic_access(priv);
 out:
-	spin_unlock_irqrestore(&priv->lock, flags);
 	return ret;
 }
 
@@ -598,8 +438,13 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
 
 	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);
 
 	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
 
@@ -621,63 +466,9 @@ static void iwl4965_nic_config(struct iwl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
-
-int iwl4965_hw_nic_init(struct iwl_priv *priv)
-{
-	unsigned long flags;
-	struct iwl_rx_queue *rxq = &priv->rxq;
-	int ret;
-
-	/* nic_init */
-	priv->cfg->ops->lib->apm_ops.init(priv);
-
-	spin_lock_irqsave(&priv->lock, flags);
-	iwl_write32(priv, CSR_INT_COALESCING, 512 / 32);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	ret = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN);
-
-	priv->cfg->ops->lib->apm_ops.config(priv);
-
-	iwl4965_hw_card_show_info(priv);
-
-	/* end nic_init */
-
-	/* Allocate the RX queue, or reset if it is already allocated */
-	if (!rxq->bd) {
-		ret = iwl_rx_queue_alloc(priv);
-		if (ret) {
-			IWL_ERROR("Unable to initialize Rx queue\n");
-			return -ENOMEM;
-		}
-	} else
-		iwl_rx_queue_reset(priv, rxq);
-
-	iwl_rx_replenish(priv);
-
-	iwl4965_rx_init(priv, rxq);
-
-	spin_lock_irqsave(&priv->lock, flags);
-
-	rxq->need_update = 1;
-	iwl_rx_queue_update_write_ptr(priv, rxq);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	/* Allocate and init all Tx and Command queues */
-	ret = iwl4965_txq_ctx_reset(priv);
-	if (ret)
-		return ret;
-
-	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);
@@ -685,64 +476,41 @@ 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;
+	return ret;
 }
 
-/**
- * iwl4965_hw_txq_ctx_stop - Stop all Tx DMA channels, free Tx queue memory
- */
-void iwl4965_hw_txq_ctx_stop(struct iwl_priv *priv)
+static void iwl4965_apm_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;
-		}
+	iwl4965_apm_stop_master(priv);
 
-		iwl_write_direct32(priv,
-				   FH_TCSR_CHNL_TX_CONFIG_REG(txq_id), 0x0);
-		iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG,
-				    FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE
-				    (txq_id), 200);
-		iwl_release_nic_access(priv);
-		spin_unlock_irqrestore(&priv->lock, flags);
-	}
+	spin_lock_irqsave(&priv->lock, flags);
+
+	iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
 
-	/* Deallocate memory for all Tx queues */
-	iwl4965_hw_txq_ctx_free(priv);
+	udelay(10);
+
+	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
-int iwl4965_hw_nic_reset(struct iwl_priv *priv)
+static int iwl4965_apm_reset(struct iwl_priv *priv)
 {
-	int rc = 0;
+	int ret = 0;
 	unsigned long flags;
 
-	iwl4965_hw_nic_stop_master(priv);
+	iwl4965_apm_stop_master(priv);
 
 	spin_lock_irqsave(&priv->lock, flags);
 
@@ -750,84 +518,45 @@ int iwl4965_hw_nic_reset(struct iwl_priv *priv)
 
 	udelay(10);
 
+	/* FIXME: put here L1A -L0S w/a */
+
 	iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
-	rc = iwl_poll_bit(priv, CSR_RESET,
+
+	ret = iwl_poll_bit(priv, CSR_RESET,
 			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
 			  CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25);
 
+	if (ret)
+		goto out;
+
 	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);
+	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);
 
-		udelay(10);
+	udelay(10);
 
-		iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
-					APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
+	/* disable L1A */
+	iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
+			  APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
 
-		iwl_release_nic_access(priv);
-	}
+	iwl_release_nic_access(priv);
 
 	clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
 	wake_up_interruptible(&priv->wait_command_queue);
 
+out:
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	return rc;
-
+	return ret;
 }
 
 #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)
-{
-	struct iwl_priv *priv = (struct iwl_priv *)data;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	iwl_send_statistics_request(priv, CMD_ASYNC);
-}
-
-void iwl4965_rf_kill_ct_config(struct iwl_priv *priv)
-{
-	struct iwl4965_ct_kill_config cmd;
-	unsigned long flags;
-	int ret = 0;
-
-	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);
-
-	cmd.critical_temperature_R =
-		cpu_to_le32(priv->hw_params.ct_kill_threshold);
-
-	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, "
-			"critical temperature is %d\n",
-			cmd.critical_temperature_R);
-}
-
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-
 /* 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.  */
@@ -915,30 +644,6 @@ static void iwl4965_gain_computation(struct iwl_priv *priv,
 	data->beacon_count = 0;
 }
 
-static void iwl4965_bg_sensitivity_work(struct work_struct *work)
-{
-	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) {
-		iwl_chain_noise_calibration(priv, &priv->statistics);
-
-		iwl_sensitivity_calibration(priv, &priv->statistics);
-	}
-
-	mutex_unlock(&priv->mutex);
-	return;
-}
-#endif /*CONFIG_IWL4965_RUN_TIME_CALIB*/
-
 static void iwl4965_bg_txpower_work(struct work_struct *work)
 {
 	struct iwl_priv *priv = container_of(work, struct iwl_priv,
@@ -957,7 +662,7 @@ 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... */
@@ -984,7 +689,7 @@ 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;
@@ -1017,17 +722,7 @@ static const u16 default_queue_to_tx_fifo[] = {
 	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;
@@ -1036,15 +731,6 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-	memset(&(priv->sensitivity_data), 0,
-	       sizeof(struct iwl_sensitivity_data));
-	memset(&(priv->chain_noise_data), 0,
-	       sizeof(struct iwl_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_RUN_TIME_CALIB*/
 	ret = iwl_grab_nic_access(priv);
 	if (ret) {
 		spin_unlock_irqrestore(&priv->lock, flags);
@@ -1096,28 +782,23 @@ int iwl4965_alive_notify(struct iwl_priv *priv)
 				 (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;
 }
 
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
 static struct iwl_sensitivity_ranges iwl4965_sensitivity = {
 	.min_nrg_cck = 97,
 	.max_nrg_cck = 0,
@@ -1140,14 +821,13 @@ static struct iwl_sensitivity_ranges iwl4965_sensitivity = {
 	.nrg_th_cck = 100,
 	.nrg_th_ofdm = 100,
 };
-#endif
 
 /**
  * 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 > IWL49_NUM_QUEUES) ||
@@ -1158,8 +838,8 @@ int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
 	}
 
 	priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
+	priv->hw_params.first_ampdu_q = IWL49_FIRST_AMPDU_QUEUE;
 	priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto;
-	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)
@@ -1181,86 +861,8 @@ int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
 	priv->hw_params.valid_rx_ant = ANT_A | ANT_B;
 	priv->hw_params.ct_kill_threshold = CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD);
 
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
 	priv->hw_params.sens = &iwl4965_sensitivity;
-#endif
-
-	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);
-}
-
-/**
- * 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;
-
-	/* 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;
 }
 
@@ -1275,11 +877,6 @@ static int iwl4965_set_power(struct iwl_priv *priv,
 				    cmd, NULL);
 	return ret;
 }
-int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power)
-{
-	IWL_ERROR("TODO: Implement iwl4965_hw_reg_set_txpower!\n");
-	return -EINVAL;
-}
 
 static s32 iwl4965_math_div_round(s32 num, s32 denom, s32 *res)
 {
@@ -1330,20 +927,6 @@ 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 &&
@@ -1767,30 +1350,17 @@ 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
@@ -1991,12 +1561,12 @@ 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;
@@ -2039,8 +1609,8 @@ 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) &&
@@ -2112,202 +1682,46 @@ int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 		return rc;
 	}
 
-	rc = iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
-	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)
-{
-	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 iwl4965_tx_beacon_cmd *tx_beacon_cmd;
-	unsigned int frame_size;
-
-	tx_beacon_cmd = &frame->u.beacon;
-	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
-
-	tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
-	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
-
-	frame_size = iwl4965_fill_beacon_frame(priv,
-				tx_beacon_cmd->frame,
-				iwl4965_broadcast_addr,
-				sizeof(frame->u) - sizeof(*tx_beacon_cmd));
-
-	BUG_ON(frame_size > MAX_MPDU_SIZE);
-	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
-
-	if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
-		tx_beacon_cmd->tx.rate_n_flags =
-			iwl4965_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);
-
-	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, FH_TCSR_CHNL_TX_CONFIG_REG(txq_id),
-		FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE |
-		FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL);
-	iwl_release_nic_access(priv);
-	spin_unlock_irqrestore(&priv->lock, flags);
-
-	return 0;
+	rc = iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
+	return rc;
 }
 
-int iwl4965_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *ptr,
-				 dma_addr_t addr, u16 len)
+static int iwl4965_shared_mem_rx_idx(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;
-	}
+	struct iwl4965_shared *s = priv->shared_virt;
+	return le32_to_cpu(s->rb_closed) & 0xFFF;
+}
 
-	index = num_tbs / 2;
-	is_odd = num_tbs & 0x1;
+unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
+			  struct iwl_frame *frame, u8 rate)
+{
+	struct iwl4965_tx_beacon_cmd *tx_beacon_cmd;
+	unsigned int frame_size;
 
-	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);
-	}
+	tx_beacon_cmd = &frame->u.beacon;
+	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
 
-	IWL_SET_BITS(*tfd, num_tbs, num_tbs + 1);
+	tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
+	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 
-	return 0;
-}
+	frame_size = iwl4965_fill_beacon_frame(priv,
+				tx_beacon_cmd->frame,
+				iwl_bcast_addr,
+				sizeof(frame->u) - sizeof(*tx_beacon_cmd));
 
-static void iwl4965_hw_card_show_info(struct iwl_priv *priv)
-{
-	u16 hw_version = iwl_eeprom_query16(priv, EEPROM_4965_BOARD_REVISION);
+	BUG_ON(frame_size > MAX_MPDU_SIZE);
+	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
 
-	IWL_DEBUG_INFO("4965ABGN HW Version %u.%u.%u\n",
-		       ((hw_version >> 8) & 0x0F),
-		       ((hw_version >> 8) >> 4), (hw_version & 0x00FF));
+	if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
+		tx_beacon_cmd->tx.rate_n_flags =
+			iwl_hw_set_rate_n_flags(rate, RATE_MCS_CCK_MSK);
+	else
+		tx_beacon_cmd->tx.rate_n_flags =
+			iwl_hw_set_rate_n_flags(rate, 0);
 
-	IWL_DEBUG_INFO("4965ABGN PBA Number %.16s\n",
-		       &priv->eeprom[EEPROM_4965_BOARD_PBA]);
+	tx_beacon_cmd->tx.tx_flags = (TX_CMD_FLG_SEQ_CTL_MSK |
+				TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK);
+	return (sizeof(*tx_beacon_cmd) + frame_size);
 }
 
 static int iwl4965_alloc_shared_mem(struct iwl_priv *priv)
@@ -2320,6 +1734,8 @@ static int iwl4965_alloc_shared_mem(struct iwl_priv *priv)
 
 	memset(priv->shared_virt, 0, sizeof(struct iwl4965_shared));
 
+	priv->rb_closed_offset = offsetof(struct iwl4965_shared, rb_closed);
+
 	return 0;
 }
 
@@ -2336,7 +1752,7 @@ static void iwl4965_free_shared_mem(struct iwl_priv *priv)
  * 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;
@@ -2373,12 +1789,12 @@ 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;
@@ -2413,8 +1829,7 @@ 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");
@@ -2425,11 +1840,10 @@ 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;
 }
@@ -2546,9 +1960,7 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
 	if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
 	    (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) {
 		iwl4965_rx_calc_noise(priv);
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-		queue_work(priv->workqueue, &priv->sensitivity_work);
-#endif
+		queue_work(priv->workqueue, &priv->run_time_calib_work);
 	}
 
 	iwl_leds_background(priv);
@@ -2559,7 +1971,7 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
 	if (!change)
 		return;
 
-	temp = iwl4965_get_temperature(priv);
+	temp = iwl4965_hw_get_temperature(priv);
 	if (temp < 0)
 		return;
 
@@ -2578,8 +1990,9 @@ void iwl4965_hw_rx_statistics(struct iwl_priv *priv,
 	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);
 }
 
@@ -2589,7 +2002,7 @@ static void iwl4965_add_radiotap(struct iwl_priv *priv,
 				 struct ieee80211_rx_status *stats,
 				 u32 ampdu_status)
 {
-	s8 signal = stats->ssi;
+	s8 signal = stats->signal;
 	s8 noise = 0;
 	int rate = stats->rate_idx;
 	u64 tsf = stats->mactime;
@@ -2663,7 +2076,7 @@ static void iwl4965_add_radiotap(struct iwl_priv *priv,
 	if (rate == -1)
 		iwl4965_rt->rt_rate = 0;
 	else
-		iwl4965_rt->rt_rate = iwl4965_rates[rate].ieee;
+		iwl4965_rt->rt_rate = iwl_rates[rate].ieee;
 
 	/*
 	 * "antenna number"
@@ -2721,6 +2134,7 @@ static int iwl4965_set_decrypted_flag(struct iwl_priv *priv,
 		    RX_RES_STATUS_BAD_KEY_TTAK)
 			break;
 
+	case RX_RES_STATUS_SEC_TYPE_WEP:
 		if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) ==
 		    RX_RES_STATUS_BAD_ICV_MIC) {
 			/* bad ICV, the packet is destroyed since the
@@ -2728,7 +2142,6 @@ static int iwl4965_set_decrypted_flag(struct iwl_priv *priv,
 			IWL_DEBUG_RX("Packet destroyed\n");
 			return -1;
 		}
-	case RX_RES_STATUS_SEC_TYPE_WEP:
 	case RX_RES_STATUS_SEC_TYPE_CCMP:
 		if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) ==
 		    RX_RES_STATUS_DECRYPT_OK) {
@@ -2844,7 +2257,9 @@ static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data,
 		rx_start->byte_count = amsdu->byte_count;
 		rx_end = (__le32 *) (((u8 *) hdr) + len);
 	}
-	if (len > priv->hw_params.max_pkt_size || len < 16) {
+	/* In monitor mode allow 802.11 ACk frames (10 bytes) */
+	if (len > priv->hw_params.max_pkt_size ||
+	    len < ((priv->iw_mode == IEEE80211_IF_TYPE_MNTR) ? 10 : 16)) {
 		IWL_WARNING("byte count out of range [16,4K] : %d\n", len);
 		return;
 	}
@@ -2973,7 +2388,7 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
 	u32 print_dump = 0;	/* set to 1 to dump all frames' contents */
 	u32 hundred = 0;
 	u32 dataframe = 0;
-	u16 fc;
+	__le16 fc;
 	u16 seq_ctl;
 	u16 channel;
 	u16 phy_flags;
@@ -2996,7 +2411,7 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
 		return;
 
 	/* MAC header */
-	fc = le16_to_cpu(header->frame_control);
+	fc = header->frame_control;
 	seq_ctl = le16_to_cpu(header->seq_ctrl);
 
 	/* metadata */
@@ -3021,8 +2436,8 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
 
 	/* 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)) {
+	if (to_us && (fc & ~cpu_to_le16(IEEE80211_FCTL_PROTECTED)) ==
+	    cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) {
 		dataframe = 1;
 		if (!group100)
 			print_summary = 1;	/* print each frame */
@@ -3046,13 +2461,13 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
 
 		if (hundred)
 			title = "100Frames";
-		else if (fc & IEEE80211_FCTL_RETRY)
+		else if (ieee80211_has_retry(fc))
 			title = "Retry";
-		else if (ieee80211_is_assoc_response(fc))
+		else if (ieee80211_is_assoc_resp(fc))
 			title = "AscRsp";
-		else if (ieee80211_is_reassoc_response(fc))
+		else if (ieee80211_is_reassoc_resp(fc))
 			title = "RasRsp";
-		else if (ieee80211_is_probe_response(fc)) {
+		else if (ieee80211_is_probe_resp(fc)) {
 			title = "PrbRsp";
 			print_dump = 1;	/* dump frame contents */
 		} else if (ieee80211_is_beacon(fc)) {
@@ -3069,11 +2484,11 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
 		else
 			title = "Frame";
 
-		rate_idx = iwl4965_hwrate_to_plcp_idx(rate_sym);
+		rate_idx = iwl_hwrate_to_plcp_idx(rate_sym);
 		if (unlikely(rate_idx == -1))
 			bitrate = 0;
 		else
-			bitrate = iwl4965_rates[rate_idx].ieee / 2;
+			bitrate = iwl_rates[rate_idx].ieee / 2;
 
 		/* print frame summary.
 		 * MAC addresses show just the last byte (for brevity),
@@ -3081,14 +2496,14 @@ static void iwl4965_dbg_report_frame(struct iwl_priv *priv,
 		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],
+				     title, le16_to_cpu(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],
+				     title, le16_to_cpu(fc), header->addr1[5],
 				     header->addr3[5], rssi,
 				     tsf_low - priv->scan_start_tsf,
 				     phy_flags, channel);
@@ -3110,7 +2525,7 @@ static inline void iwl4965_dbg_report_frame(struct iwl_priv *priv,
 
 /* 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,
+void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 				struct iwl_rx_mem_buffer *rxb)
 {
 	struct ieee80211_hdr *header;
@@ -3130,11 +2545,11 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 
 	rx_status.mactime = le64_to_cpu(rx_start->timestamp);
 	rx_status.freq =
-		ieee80211_frequency_to_channel(le16_to_cpu(rx_start->channel));
+		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));
+		iwl_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;
 
@@ -3188,7 +2603,7 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 	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(priv, rx_start);
+	rx_status.signal = iwl4965_calc_rssi(priv, rx_start);
 
 	/* Meaningful noise values are available only from beacon statistics,
 	 *   which are gathered only when associated, and indicate noise
@@ -3197,11 +2612,11 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 	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.qual = iwl4965_calc_sig_qual(rx_status.signal,
 							 rx_status.noise);
 	} else {
 		rx_status.noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
-		rx_status.signal = iwl4965_calc_sig_qual(rx_status.ssi, 0);
+		rx_status.qual = iwl4965_calc_sig_qual(rx_status.signal, 0);
 	}
 
 	/* Reset beacon noise level if not associated. */
@@ -3213,12 +2628,19 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 	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,
+			      rx_status.signal, rx_status.noise, rx_status.signal,
 			      (unsigned long long)rx_status.mactime);
 
+
+	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
+		iwl4965_handle_data_packet(priv, 1, include_phy,
+						 rxb, &rx_status);
+		return;
+	}
+
 	network_packet = iwl4965_is_network_packet(priv, header);
 	if (network_packet) {
-		priv->last_rx_rssi = rx_status.ssi;
+		priv->last_rx_rssi = rx_status.signal;
 		priv->last_beacon_time =  priv->ucode_beacon_time;
 		priv->last_tsf = le64_to_cpu(rx_start->timestamp);
 	}
@@ -3233,7 +2655,6 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 		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");
@@ -3243,7 +2664,6 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 		default:
 			break;
 		}
-#endif
 		break;
 
 	case IEEE80211_FTYPE_DATA: {
@@ -3277,56 +2697,6 @@ static void iwl4965_rx_reply_rx(struct iwl_priv *priv,
 	}
 }
 
-/* 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 iwl_rx_mem_buffer *rxb)
-{
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)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 iwl_rx_mem_buffer *rxb)
-
-{
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
-	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)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));
-		if (!test_bit(STATUS_SCANNING, &priv->status))
-			iwl_init_sensitivity(priv);
-	}
-#endif /*CONFIG_IWL4965_RUN_TIME_CALIB*/
-}
-#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);
-
-	iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
-}
-
 /**
  * iwl4965_tx_status_reply_compressed_ba - Update tx status from block-ack
  *
@@ -3344,7 +2714,7 @@ static int iwl4965_tx_status_reply_compressed_ba(struct iwl_priv *priv,
 	u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
 	u64 bitmap;
 	int successes = 0;
-	struct ieee80211_tx_status *tx_status;
+	struct ieee80211_tx_info *info;
 
 	if (unlikely(!agg->wait_for_ba))  {
 		IWL_ERROR("Received BA when not expected\n");
@@ -3382,13 +2752,13 @@ static int iwl4965_tx_status_reply_compressed_ba(struct iwl_priv *priv,
 			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);
+	info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb[0]);
+	memset(&info->status, 0, sizeof(info->status));
+	info->flags = IEEE80211_TX_STAT_ACK;
+	info->flags |= IEEE80211_TX_STAT_AMPDU;
+	info->status.ampdu_ack_map = successes;
+	info->status.ampdu_ack_len = agg->frame_count;
+	iwl_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
 
 	IWL_DEBUG_TX_REPLY("Bitmap %llx\n", (unsigned long long)bitmap);
 
@@ -3410,17 +2780,17 @@ static void iwl4965_tx_queue_stop_scheduler(struct iwl_priv *priv,
 }
 
 /**
- * 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) {
+	if (IWL49_FIRST_AMPDU_QUEUE > txq_id) {
 		IWL_WARNING("queue number too small: %d, must be > %d\n",
-				txq_id, IWL_BACK_QUEUE_FIRST_ID);
+				txq_id, IWL49_FIRST_AMPDU_QUEUE);
 		return -EINVAL;
 	}
 
@@ -3438,7 +2808,7 @@ 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);
@@ -3446,49 +2816,6 @@ 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 iwl_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
@@ -3502,7 +2829,7 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv,
 	struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
 	struct iwl4965_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba;
 	int index;
-	struct iwl4965_tx_queue *txq = NULL;
+	struct iwl_tx_queue *txq = NULL;
 	struct iwl_ht_agg *agg;
 	DECLARE_MAC_BUF(mac);
 
@@ -3522,7 +2849,7 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv,
 	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);
+	index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd);
 
 	/* TODO: Need to get this copy more safely - now good for debug */
 
@@ -3551,16 +2878,17 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv,
 	if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) {
 		/* calculate mac80211 ampdu sw queue to wake */
 		int ampdu_q =
-		   scd_flow - IWL_BACK_QUEUE_FIRST_ID + priv->hw->queues;
-		int freed = iwl4965_tx_queue_reclaim(priv, scd_flow, index);
+		   scd_flow - priv->hw_params.first_ampdu_q + priv->hw->queues;
+		int freed = iwl_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 &&
+		if (iwl_queue_space(&txq->q) > txq->q.low_mark &&
 			priv->mac80211_registered &&
 			agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)
 			ieee80211_wake_queue(priv->hw, ampdu_q);
-		iwl4965_check_empty_hw_queue(priv, ba_resp->sta_id,
-			ba_resp->tid, scd_flow);
+
+		iwl_txq_check_empty(priv, ba_resp->sta_id,
+				    ba_resp->tid, scd_flow);
 	}
 }
 
@@ -3574,7 +2902,7 @@ static int iwl4965_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid,
 	u32 tbl_dw;
 	u16 scd_q2ratid;
 
-	scd_q2ratid = ra_tid & IWL49_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 +
 			IWL49_SCD_TRANSLATE_TBL_OFFSET_QUEUE(txq_id);
@@ -3595,31 +2923,30 @@ 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)
+	if (IWL49_FIRST_AMPDU_QUEUE > txq_id)
 		IWL_WARNING("queue number too small: %d, must be > %d\n",
-			txq_id, IWL_BACK_QUEUE_FIRST_ID);
+			txq_id, IWL49_FIRST_AMPDU_QUEUE);
 
 	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 */
@@ -3659,111 +2986,6 @@ 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; /*FIXME:RS*/
-
-		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
-
-void iwl4965_set_ht_add_station(struct iwl_priv *priv, u8 index,
-				struct ieee80211_ht_info *sta_ht_inf)
-{
-	__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;
-	default:
-		IWL_WARNING("Invalid MIMO PS mode %d", mimo_ps_mode);
-		break;
-	}
-
-	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 (iwl_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 int iwl4965_rx_agg_start(struct iwl_priv *priv,
 				const u8 *addr, int tid, u16 ssn)
 {
@@ -3807,137 +3029,6 @@ static int iwl4965_rx_agg_stop(struct iwl_priv *priv,
 					CMD_ASYNC);
 }
 
-/*
- * 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).
- */
-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_tx_agg_start(struct ieee80211_hw *hw, const u8 *ra,
-				u16 tid, u16 *start_seq_num)
-{
-	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 iwl_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 ra = %s tid = %d\n",
-			__func__, print_mac(mac, ra), tid);
-
-	sta_id = iwl_find_station(priv, ra);
-	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;
-
-	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);
-
-	*start_seq_num = ssn;
-	ret = iwl4965_tx_queue_agg_enable(priv, txq_id, tx_fifo,
-					  sta_id, tid, ssn);
-	if (ret)
-		return ret;
-
-	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, ra, 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;
-	}
-	return ret;
-}
-
-static int iwl4965_tx_agg_stop(struct ieee80211_hw *hw, const u8 *ra, u16 tid)
-{
-	struct iwl_priv *priv = hw->priv;
-	int tx_fifo_id, txq_id, sta_id, ssn = -1;
-	struct iwl_tid_data *tid_data;
-	int ret, write_ptr, read_ptr;
-	unsigned long flags;
-	DECLARE_MAC_BUF(mac);
-
-	if (!ra) {
-		IWL_ERROR("ra = NULL\n");
-		return -EINVAL;
-	}
-
-	if (likely(tid < ARRAY_SIZE(default_tid_to_tx_fifo)))
-		tx_fifo_id = default_tid_to_tx_fifo[tid];
-	else
-		return -EINVAL;
-
-	sta_id = iwl_find_station(priv, ra);
-
-	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");
-
-	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;
-
-	/* 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;
-	}
-
-	IWL_DEBUG_HT("HW queue is empty\n");
-	priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
-
-	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 (ret)
-		return ret;
-
-	ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, ra, tid);
-
-	return 0;
-}
-
 int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
 			     enum ieee80211_ampdu_mlme_action action,
 			     const u8 *addr, u16 tid, u16 *ssn)
@@ -3957,10 +3048,10 @@ int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
 		return iwl4965_rx_agg_stop(priv, addr, tid);
 	case IEEE80211_AMPDU_TX_START:
 		IWL_DEBUG_HT("start Tx\n");
-		return iwl4965_tx_agg_start(hw, addr, tid, ssn);
+		return iwl_tx_agg_start(priv, addr, tid, ssn);
 	case IEEE80211_AMPDU_TX_STOP:
 		IWL_DEBUG_HT("stop Tx\n");
-		return iwl4965_tx_agg_stop(hw, addr, tid);
+		return iwl_tx_agg_stop(priv, addr, tid);
 	default:
 		IWL_DEBUG_HT("unknown\n");
 		return -EINVAL;
@@ -3968,8 +3059,16 @@ int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
 	}
 	return 0;
 }
-#endif /* CONFIG_IWL4965_HT */
 
+static u16 iwl4965_get_hcmd_size(u8 cmd_id, u16 len)
+{
+	switch (cmd_id) {
+	case REPLY_RXON:
+		return (u16) sizeof(struct iwl4965_rxon_cmd);
+	default:
+		return len;
+	}
+}
 
 static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
 {
@@ -3988,40 +3087,254 @@ static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
 
 	return (u16)sizeof(struct iwl4965_addsta_cmd);
 }
+
+static inline u32 iwl4965_get_scd_ssn(struct iwl4965_tx_resp *tx_resp)
+{
+	return le32_to_cpup(&tx_resp->u.status + tx_resp->frame_count) & MAX_SN;
+}
+
+/**
+ * iwl4965_tx_status_reply_tx - Handle Tx rspnse for frames in aggregation queue
+ */
+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)
+{
+	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;
+			}
+
+			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));
+		}
+
+		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);
+
+		if (bitmap)
+			agg->wait_for_ba = 1;
+	}
+	return 0;
+}
+
+/**
+ * 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 ((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;
+	}
+
+	info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
+	memset(&info->status, 0, sizeof(info->status));
+
+	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;
+	}
+
+	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;
+	}
+
+	if (txq->sched_retry) {
+		const u32 scd_ssn = iwl4965_get_scd_ssn(tx_resp);
+		struct iwl_ht_agg *agg = NULL;
+
+		if (!qc)
+			return;
+
+		agg = &priv->stations[sta_id].tid[tid].agg;
+
+		iwl4965_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
+
+		if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
+			/* TODO: send BAR */
+		}
+
+		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;
+
+			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);
+		}
+	}
+
+	if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK))
+		IWL_ERROR("TODO:  Implement Tx ABORT REQUIRED!!!\n");
+}
+
+
 /* Set up 4965-specific Rx frame reply handlers */
 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
+	/* Tx response */
+	priv->rx_handlers[REPLY_TX] = iwl4965_rx_reply_tx;
+	/* block ack */
 	priv->rx_handlers[REPLY_COMPRESSED_BA] = iwl4965_rx_reply_compressed_ba;
-#endif /* CONFIG_IWL4965_HT */
 }
 
-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_RUN_TIME_CALIB
-	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);
 }
 
 
@@ -4030,26 +3343,32 @@ 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,
-#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
 	.chain_noise_reset = iwl4965_chain_noise_reset,
 	.gain_computation = iwl4965_gain_computation,
-#endif
 };
 
 static struct iwl_lib_ops iwl4965_lib = {
 	.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,
 	},
@@ -4069,8 +3388,8 @@ static struct iwl_lib_ops iwl4965_lib = {
 		.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,
 };
 
@@ -4109,4 +3428,5 @@ module_param_named(qos_enable, iwl4965_mod_params.enable_qos, int, 0444);
 MODULE_PARM_DESC(qos_enable, "enable all QoS 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");