iwl3945: Have consistant and not redefined HW constants
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-core.c
index 01a84585133834a45c603a0c55763b7864441181..bee83d6a51cd3e8e236c46c220f48bb9496b7040 100644 (file)
@@ -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
  *****************************************************************************/
 
 #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);
@@ -157,7 +170,8 @@ struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
        struct ieee80211_hw *hw =
                ieee80211_alloc_hw(sizeof(struct iwl_priv), hw_ops);
        if (hw == NULL) {
-               IWL_ERROR("Can not allocate network device\n");
+               printk(KERN_ERR "%s: Can not allocate network device\n",
+                      cfg->name);
                goto out;
        }
 
@@ -177,52 +191,6 @@ 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 +239,30 @@ 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 +328,10 @@ 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 +339,46 @@ 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 +442,7 @@ 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 +452,7 @@ 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;
@@ -567,18 +511,18 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
 
        if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
             priv->cfg->sku & IWL_SKU_A) {
-               printk(KERN_INFO DRV_NAME
-                      ": Incorrectly detected BG card as ABG.  Please send "
-                      "your PCI ID 0x%04X:0x%04X to maintainer.\n",
-                      priv->pci_dev->device, priv->pci_dev->subsystem_device);
+               dev_printk(KERN_INFO, &(priv->hw->wiphy->dev),
+                          "Incorrectly detected BG card as ABG.  Please send "
+                          "your PCI ID 0x%04X:0x%04X to maintainer.\n",
+                          priv->pci_dev->device,
+                          priv->pci_dev->subsystem_device);
                priv->cfg->sku &= ~IWL_SKU_A;
        }
 
-       printk(KERN_INFO DRV_NAME
-              ": Tunable channels: %d 802.11bg, %d 802.11a channels\n",
-              priv->bands[IEEE80211_BAND_2GHZ].n_channels,
-              priv->bands[IEEE80211_BAND_5GHZ].n_channels);
-
+       dev_printk(KERN_INFO, &(priv->hw->wiphy->dev),
+                  "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
+                  priv->bands[IEEE80211_BAND_2GHZ].n_channels,
+                  priv->bands[IEEE80211_BAND_5GHZ].n_channels);
 
        set_bit(STATUS_GEO_CONFIGURED, &priv->status);
 
@@ -598,8 +542,8 @@ 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 +556,10 @@ 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 +567,24 @@ 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 +609,15 @@ 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 +631,12 @@ 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 +680,7 @@ 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 +806,14 @@ 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 */
@@ -926,7 +864,6 @@ int iwl_init_drv(struct iwl_priv *priv)
 {
        int ret;
 
-       priv->retry_rate = 1;
        priv->ibss_beacon = NULL;
 
        spin_lock_init(&priv->lock);
@@ -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;
@@ -1061,7 +1018,7 @@ static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32
                /* NOTE: Use the debugless read so we don't flood kernel log
                 * if IWL_DL_IO is set */
                iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
-                       i + RTC_INST_LOWER_BOUND);
+                       i + IWL49_RTC_INST_LOWER_BOUND);
                val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
                if (val != le32_to_cpu(*image)) {
                        ret = -EIO;
@@ -1094,7 +1051,8 @@ static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image,
        if (ret)
                return ret;
 
-       iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, RTC_INST_LOWER_BOUND);
+       iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
+                          IWL49_RTC_INST_LOWER_BOUND);
 
        errcnt = 0;
        for (; len > 0; len -= sizeof(u32), image++) {
@@ -1172,24 +1130,47 @@ 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 +1216,9 @@ 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 +1358,7 @@ void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_rf_kill_ct_config);
 
+
 /*
  * CARD_STATE_CMD
  *
@@ -1465,6 +1447,16 @@ 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.
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