Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 163 insertions, 172 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 01a845851338..73d7973707eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -22,7 +22,7 @@
  * in the file called LICENSE.GPL.
  *
  * Contact Information:
- * Tomas Winkler <tomas.winkler@intel.com>
+ *  Intel Linux Wireless <ilw@linux.intel.com>
  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *****************************************************************************/
 
@@ -30,19 +30,19 @@
 #include <linux/module.h>
 #include <net/mac80211.h>
 
-struct iwl_priv; /* FIXME: remove */
-#include "iwl-debug.h"
 #include "iwl-eeprom.h"
 #include "iwl-dev.h" /* FIXME: remove */
+#include "iwl-debug.h"
 #include "iwl-core.h"
 #include "iwl-io.h"
 #include "iwl-rfkill.h"
 #include "iwl-power.h"
+#include "iwl-sta.h"
 
 
 MODULE_DESCRIPTION("iwl core");
 MODULE_VERSION(IWLWIFI_VERSION);
-MODULE_AUTHOR(DRV_COPYRIGHT);
+MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
 MODULE_LICENSE("GPL");
 
 #define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np)    \
@@ -88,26 +88,27 @@ EXPORT_SYMBOL(iwl_rates);
  * translate ucode response to mac80211 tx status control values
  */
 void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
-				  struct ieee80211_tx_info *control)
+				  struct ieee80211_tx_info *info)
 {
 	int rate_index;
+	struct ieee80211_tx_rate *r = &info->control.rates[0];
 
-	control->antenna_sel_tx =
+	info->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_TX_CTL_OFDM_HT;
+		r->flags |= IEEE80211_TX_RC_MCS;
 	if (rate_n_flags & RATE_MCS_GF_MSK)
-		control->flags |= IEEE80211_TX_CTL_GREEN_FIELD;
+		r->flags |= IEEE80211_TX_RC_GREEN_FIELD;
 	if (rate_n_flags & RATE_MCS_FAT_MSK)
-		control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH;
+		r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
 	if (rate_n_flags & RATE_MCS_DUP_MSK)
-		control->flags |= IEEE80211_TX_CTL_DUP_DATA;
+		r->flags |= IEEE80211_TX_RC_DUP_DATA;
 	if (rate_n_flags & RATE_MCS_SGI_MSK)
-		control->flags |= IEEE80211_TX_CTL_SHORT_GI;
+		r->flags |= IEEE80211_TX_RC_SHORT_GI;
 	rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags);
-	if (control->band == IEEE80211_BAND_5GHZ)
+	if (info->band == IEEE80211_BAND_5GHZ)
 		rate_index -= IWL_FIRST_OFDM_RATE;
-	control->tx_rate_idx = rate_index;
+	r->idx = rate_index;
 }
 EXPORT_SYMBOL(iwl_hwrate_to_tx_control);
 
@@ -119,7 +120,9 @@ int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
 	if (rate_n_flags & RATE_MCS_HT_MSK) {
 		idx = (rate_n_flags & 0xff);
 
-		if (idx >= IWL_RATE_MIMO2_6M_PLCP)
+		if (idx >= IWL_RATE_MIMO3_6M_PLCP)
+			idx = idx - IWL_RATE_MIMO3_6M_PLCP;
+		else if (idx >= IWL_RATE_MIMO2_6M_PLCP)
 			idx = idx - IWL_RATE_MIMO2_6M_PLCP;
 
 		idx += IWL_FIRST_OFDM_RATE;
@@ -140,7 +143,17 @@ int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
 }
 EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx);
 
-
+u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant)
+{
+	int i;
+	u8 ind = ant;
+	for (i = 0; i < RATE_ANT_NUM - 1; i++) {
+		ind = (ind + 1) < RATE_ANT_NUM ?  ind + 1 : 0;
+		if (priv->hw_params.valid_tx_ant & BIT(ind))
+			return ind;
+	}
+	return ant;
+}
 
 const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 EXPORT_SYMBOL(iwl_bcast_addr);
@@ -177,52 +190,6 @@ void iwl_hw_detect(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_hw_detect);
 
-/* Tell nic where to find the "keep warm" buffer */
-int iwl_kw_init(struct iwl_priv *priv)
-{
-	unsigned long flags;
-	int ret;
-
-	spin_lock_irqsave(&priv->lock, flags);
-	ret = iwl_grab_nic_access(priv);
-	if (ret)
-		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 ret;
-}
-
-int iwl_kw_alloc(struct iwl_priv *priv)
-{
-	struct pci_dev *dev = priv->pci_dev;
-	struct iwl_kw *kw = &priv->kw;
-
-	kw->size = IWL_KW_SIZE;
-	kw->v_addr = pci_alloc_consistent(dev, kw->size, &kw->dma_addr);
-	if (!kw->v_addr)
-		return -ENOMEM;
-
-	return 0;
-}
-
-/**
- * iwl_kw_free - Free the "keep warm" buffer
- */
-void iwl_kw_free(struct iwl_priv *priv)
-{
-	struct pci_dev *dev = priv->pci_dev;
-	struct iwl_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));
-	}
-}
-
 int iwl_hw_nic_init(struct iwl_priv *priv)
 {
 	unsigned long flags;
@@ -271,55 +238,30 @@ int iwl_hw_nic_init(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_hw_nic_init);
 
-/**
- * iwl_clear_stations_table - Clear the driver's station table
- *
- * NOTE:  This does not clear or otherwise alter the device's station table.
- */
-void iwl_clear_stations_table(struct iwl_priv *priv)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->sta_lock, flags);
-
-	if (iwl_is_alive(priv) &&
-	   !test_bit(STATUS_EXIT_PENDING, &priv->status) &&
-	   iwl_send_cmd_pdu_async(priv, REPLY_REMOVE_ALL_STA, 0, NULL, NULL))
-		IWL_ERROR("Couldn't clear the station table\n");
-
-	priv->num_stations = 0;
-	memset(priv->stations, 0, sizeof(priv->stations));
-
-	/* clean ucode key table bit map */
-	priv->ucode_key_table = 0;
-
-	spin_unlock_irqrestore(&priv->sta_lock, flags);
-}
-EXPORT_SYMBOL(iwl_clear_stations_table);
-
 void iwl_reset_qos(struct iwl_priv *priv)
 {
 	u16 cw_min = 15;
 	u16 cw_max = 1023;
 	u8 aifs = 2;
-	u8 is_legacy = 0;
+	bool is_legacy = false;
 	unsigned long flags;
 	int i;
 
 	spin_lock_irqsave(&priv->lock, flags);
-	priv->qos_data.qos_active = 0;
+	/* QoS always active in AP and ADHOC mode
+	 * In STA mode wait for association
+	 */
+	if (priv->iw_mode == NL80211_IFTYPE_ADHOC ||
+	    priv->iw_mode == NL80211_IFTYPE_AP)
+		priv->qos_data.qos_active = 1;
+	else
+		priv->qos_data.qos_active = 0;
 
-	if (priv->iw_mode == NL80211_IFTYPE_ADHOC) {
-		if (priv->qos_data.qos_enable)
-			priv->qos_data.qos_active = 1;
-		if (!(priv->active_rate & 0xfff0)) {
-			cw_min = 31;
-			is_legacy = 1;
-		}
-	} else if (priv->iw_mode == NL80211_IFTYPE_AP) {
-		if (priv->qos_data.qos_enable)
-			priv->qos_data.qos_active = 1;
-	} else if (!(priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK)) {
+	/* check for legacy mode */
+	if ((priv->iw_mode == NL80211_IFTYPE_ADHOC &&
+	    (priv->active_rate & IWL_OFDM_RATES_MASK) == 0) ||
+	    (priv->iw_mode == NL80211_IFTYPE_STATION &&
+	    (priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK) == 0)) {
 		cw_min = 31;
 		is_legacy = 1;
 	}
@@ -385,10 +327,10 @@ void iwl_reset_qos(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_reset_qos);
 
-#define MAX_BIT_RATE_40_MHZ 0x96 /* 150 Mbps */
-#define MAX_BIT_RATE_20_MHZ 0x48 /* 72 Mbps */
+#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
+#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
 static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
-			      struct ieee80211_ht_info *ht_info,
+			      struct ieee80211_sta_ht_cap *ht_info,
 			      enum ieee80211_band band)
 {
 	u16 max_bit_rate = 0;
@@ -396,45 +338,46 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
 	u8 tx_chains_num = priv->hw_params.tx_chains_num;
 
 	ht_info->cap = 0;
-	memset(ht_info->supp_mcs_set, 0, 16);
+	memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
 
-	ht_info->ht_supported = 1;
+	ht_info->ht_supported = true;
 
-	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_SM_PS &
+	ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
+	ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
+	ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
 			     (WLAN_HT_CAP_SM_PS_DISABLED << 2));
 
 	max_bit_rate = MAX_BIT_RATE_20_MHZ;
 	if (priv->hw_params.fat_channel & BIT(band)) {
-		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 |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+		ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
+		ht_info->mcs.rx_mask[4] = 0x01;
 		max_bit_rate = MAX_BIT_RATE_40_MHZ;
 	}
 
 	if (priv->cfg->mod_params->amsdu_size_8K)
-		ht_info->cap |= (u16)IEEE80211_HT_CAP_MAX_AMSDU;
+		ht_info->cap |= 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->mcs.rx_mask[0] = 0xFF;
 	if (rx_chains_num >= 2)
-		ht_info->supp_mcs_set[1] = 0xFF;
+		ht_info->mcs.rx_mask[1] = 0xFF;
 	if (rx_chains_num >= 3)
-		ht_info->supp_mcs_set[2] = 0xFF;
+		ht_info->mcs.rx_mask[2] = 0xFF;
 
 	/* Highest supported Rx data rate */
 	max_bit_rate *= rx_chains_num;
-	ht_info->supp_mcs_set[10] = (u8)(max_bit_rate & 0x00FF);
-	ht_info->supp_mcs_set[11] = (u8)((max_bit_rate & 0xFF00) >> 8);
+	WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK);
+	ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate);
 
 	/* Tx MCS capabilities */
-	ht_info->supp_mcs_set[12] = IEEE80211_HT_CAP_MCS_TX_DEFINED;
+	ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 	if (tx_chains_num != rx_chains_num) {
-		ht_info->supp_mcs_set[12] |= IEEE80211_HT_CAP_MCS_TX_RX_DIFF;
-		ht_info->supp_mcs_set[12] |= ((tx_chains_num - 1) << 2);
+		ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+		ht_info->mcs.tx_params |= ((tx_chains_num - 1) <<
+				IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
 	}
 }
 
@@ -498,7 +441,7 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
 	sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE;
 
 	if (priv->cfg->sku & IWL_SKU_N)
-		iwlcore_init_ht_hw_capab(priv, &sband->ht_info,
+		iwlcore_init_ht_hw_capab(priv, &sband->ht_cap,
 					 IEEE80211_BAND_5GHZ);
 
 	sband = &priv->bands[IEEE80211_BAND_2GHZ];
@@ -508,7 +451,7 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
 	sband->n_bitrates = IWL_RATE_COUNT;
 
 	if (priv->cfg->sku & IWL_SKU_N)
-		iwlcore_init_ht_hw_capab(priv, &sband->ht_info,
+		iwlcore_init_ht_hw_capab(priv, &sband->ht_cap,
 					 IEEE80211_BAND_2GHZ);
 
 	priv->ieee_channels = channels;
@@ -598,8 +541,8 @@ static void iwlcore_free_geos(struct iwl_priv *priv)
 static bool is_single_rx_stream(struct iwl_priv *priv)
 {
 	return !priv->current_ht_config.is_ht ||
-	       ((priv->current_ht_config.supp_mcs_set[1] == 0) &&
-		(priv->current_ht_config.supp_mcs_set[2] == 0));
+	       ((priv->current_ht_config.mcs.rx_mask[1] == 0) &&
+		(priv->current_ht_config.mcs.rx_mask[2] == 0));
 }
 
 static u8 iwl_is_channel_extension(struct iwl_priv *priv,
@@ -612,10 +555,10 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv,
 	if (!is_channel_valid(ch_info))
 		return 0;
 
-	if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_ABOVE)
+	if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
 		return !(ch_info->fat_extension_channel &
 					IEEE80211_CHAN_NO_FAT_ABOVE);
-	else if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_BELOW)
+	else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
 		return !(ch_info->fat_extension_channel &
 					IEEE80211_CHAN_NO_FAT_BELOW);
 
@@ -623,24 +566,24 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv,
 }
 
 u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
-			     struct ieee80211_ht_info *sta_ht_inf)
+			 struct ieee80211_sta_ht_cap *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 == IEEE80211_HT_IE_CHA_SEC_NONE))
+	   (iwl_ht_conf->extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE))
 		return 0;
 
 	if (sta_ht_inf) {
 		if ((!sta_ht_inf->ht_supported) ||
-		   (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH)))
+		   (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)))
 			return 0;
 	}
 
 	return iwl_is_channel_extension(priv, priv->band,
-					 iwl_ht_conf->control_channel,
-					 iwl_ht_conf->extension_chan_offset);
+					le16_to_cpu(priv->staging_rxon.channel),
+					iwl_ht_conf->extension_chan_offset);
 }
 EXPORT_SYMBOL(iwl_is_fat_tx_allowed);
 
@@ -665,22 +608,15 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 		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);
-		return;
-	}
-
 	/* Note: control channel is opposite of extension channel */
 	switch (ht_info->extension_chan_offset) {
-	case IEEE80211_HT_IE_CHA_SEC_ABOVE:
+	case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
 		rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
 		break;
-	case IEEE80211_HT_IE_CHA_SEC_BELOW:
+	case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
 		rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
 		break;
-	case IEEE80211_HT_IE_CHA_SEC_NONE:
+	case IEEE80211_HT_PARAM_CHA_SEC_NONE:
 	default:
 		rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
 		break;
@@ -694,14 +630,12 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
 
 	IWL_DEBUG_ASSOC("supported HT rate 0x%X 0x%X 0x%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],
-			ht_info->supp_mcs_set[2],
+			"extension channel offset 0x%x\n",
+			ht_info->mcs.rx_mask[0],
+			ht_info->mcs.rx_mask[1],
+			ht_info->mcs.rx_mask[2],
 			le32_to_cpu(rxon->flags), ht_info->ht_protection,
-			ht_info->extension_chan_offset,
-			ht_info->control_channel);
+			ht_info->extension_chan_offset);
 	return;
 }
 EXPORT_SYMBOL(iwl_set_rxon_ht);
@@ -745,7 +679,7 @@ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
 		break;
 	case WLAN_HT_CAP_SM_PS_INVALID:
 	default:
-		IWL_ERROR("invalide mimo ps mode %d\n",
+		IWL_ERROR("invalid mimo ps mode %d\n",
 			   priv->current_ht_config.sm_ps);
 		WARN_ON(1);
 		idle_cnt = -1;
@@ -871,11 +805,14 @@ int iwl_setup_mac(struct iwl_priv *priv)
 
 	/* Tell mac80211 our characteristics */
 	hw->flags = IEEE80211_HW_SIGNAL_DBM |
-		    IEEE80211_HW_NOISE_DBM;
+		    IEEE80211_HW_NOISE_DBM |
+		    IEEE80211_HW_AMPDU_AGGREGATION;
 	hw->wiphy->interface_modes =
-		BIT(NL80211_IFTYPE_AP) |
 		BIT(NL80211_IFTYPE_STATION) |
 		BIT(NL80211_IFTYPE_ADHOC);
+
+	hw->wiphy->fw_handles_regulatory = true;
+
 	/* Default value; 4 EDCA QOS priorities */
 	hw->queues = 4;
 	/* queues to support 11n aggregation */
@@ -948,16 +885,12 @@ int iwl_init_drv(struct iwl_priv *priv)
 
 	priv->iw_mode = NL80211_IFTYPE_STATION;
 
-	priv->use_ant_b_for_management_frame = 1; /* start with ant B */
 	priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
 
 	/* Choose which receivers/antennas to use */
 	iwl_set_rxon_chain(priv);
 	iwl_init_scan_params(priv);
 
-	if (priv->cfg->mod_params->enable_qos)
-		priv->qos_data.qos_enable = 1;
-
 	iwl_reset_qos(priv);
 
 	priv->qos_data.qos_active = 0;
@@ -1025,6 +958,30 @@ void iwl_uninit_drv(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_uninit_drv);
 
+
+void iwl_disable_interrupts(struct iwl_priv *priv)
+{
+	clear_bit(STATUS_INT_ENABLED, &priv->status);
+
+	/* disable interrupts from uCode/NIC to host */
+	iwl_write32(priv, CSR_INT_MASK, 0x00000000);
+
+	/* acknowledge/clear/reset any interrupts still pending
+	 * from uCode or flow handler (Rx/Tx DMA) */
+	iwl_write32(priv, CSR_INT, 0xffffffff);
+	iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff);
+	IWL_DEBUG_ISR("Disabled interrupts\n");
+}
+EXPORT_SYMBOL(iwl_disable_interrupts);
+
+void iwl_enable_interrupts(struct iwl_priv *priv)
+{
+	IWL_DEBUG_ISR("Enabling interrupts\n");
+	set_bit(STATUS_INT_ENABLED, &priv->status);
+	iwl_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK);
+}
+EXPORT_SYMBOL(iwl_enable_interrupts);
+
 int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags)
 {
 	u32 stat_flags = 0;
@@ -1172,24 +1129,47 @@ int iwl_verify_ucode(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_verify_ucode);
 
+
+static const char *desc_lookup_text[] = {
+	"OK",
+	"FAIL",
+	"BAD_PARAM",
+	"BAD_CHECKSUM",
+	"NMI_INTERRUPT_WDG",
+	"SYSASSERT",
+	"FATAL_ERROR",
+	"BAD_COMMAND",
+	"HW_ERROR_TUNE_LOCK",
+	"HW_ERROR_TEMPERATURE",
+	"ILLEGAL_CHAN_FREQ",
+	"VCC_NOT_STABLE",
+	"FH_ERROR",
+	"NMI_INTERRUPT_HOST",
+	"NMI_INTERRUPT_ACTION_PT",
+	"NMI_INTERRUPT_UNKNOWN",
+	"UCODE_VERSION_MISMATCH",
+	"HW_ERROR_ABS_LOCK",
+	"HW_ERROR_CAL_LOCK_FAIL",
+	"NMI_INTERRUPT_INST_ACTION_PT",
+	"NMI_INTERRUPT_DATA_ACTION_PT",
+	"NMI_TRM_HW_ER",
+	"NMI_INTERRUPT_TRM",
+	"NMI_INTERRUPT_BREAK_POINT"
+	"DEBUG_0",
+	"DEBUG_1",
+	"DEBUG_2",
+	"DEBUG_3",
+	"UNKNOWN"
+};
+
 static const char *desc_lookup(int i)
 {
-	switch (i) {
-	case 1:
-		return "FAIL";
-	case 2:
-		return "BAD_PARAM";
-	case 3:
-		return "BAD_CHECKSUM";
-	case 4:
-		return "NMI_INTERRUPT";
-	case 5:
-		return "SYSASSERT";
-	case 6:
-		return "FATAL_ERROR";
-	}
+	int max = ARRAY_SIZE(desc_lookup_text) - 1;
 
-	return "UNKNOWN";
+	if (i < 0 || i > max)
+		i = max;
+
+	return desc_lookup_text[i];
 }
 
 #define ERROR_START_OFFSET  (1 * sizeof(u32))
@@ -1235,9 +1215,9 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
 	line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
 	time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
 
-	IWL_ERROR("Desc        Time       "
+	IWL_ERROR("Desc                               Time       "
 		"data1      data2      line\n");
-	IWL_ERROR("%-13s (#%d) %010u 0x%08X 0x%08X %u\n",
+	IWL_ERROR("%-28s (#%02d) %010u 0x%08X 0x%08X %u\n",
 		desc_lookup(desc), desc, time, data1, data2, line);
 	IWL_ERROR("blink1  blink2  ilink1  ilink2\n");
 	IWL_ERROR("0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
@@ -1377,6 +1357,7 @@ void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_rf_kill_ct_config);
 
+
 /*
  * CARD_STATE_CMD
  *
@@ -1465,6 +1446,16 @@ int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv)
 		return 0;
 	}
 
+	/* when driver is up while rfkill is on, it wont receive
+	 * any CARD_STATE_NOTIFICATION notifications so we have to
+	 * restart it in here
+	 */
+	if (priv->is_open && !test_bit(STATUS_ALIVE, &priv->status)) {
+		clear_bit(STATUS_RF_KILL_SW, &priv->status);
+		if (!iwl_is_rfkill(priv))
+			queue_work(priv->workqueue, &priv->up);
+	}
+
 	/* If the driver is already loaded, it will receive
 	 * CARD_STATE_NOTIFICATION notifications and the handler will
 	 * call restart to reload the driver.