iwlagn: Add support for bluetooth statistics notification

WiFi/BT combo devices has different statistics notification
structure, adding the support here to make sure the structure
align correctly.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

7 files changed, 271 insertions, 119 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
index 90033e8752bb..c4c5691032a6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
@@ -605,8 +605,7 @@ void iwl_init_sensitivity(struct iwl_priv *priv)
         IWL_DEBUG_CALIB(priv, "<<return 0x%X\n", ret);
 }
 
-void iwl_sensitivity_calibration(struct iwl_priv *priv,
-                                    struct iwl_notif_statistics *resp)
+void iwl_sensitivity_calibration(struct iwl_priv *priv, void *resp)
 {
         u32 rx_enable_time;
         u32 fa_cck;
@@ -616,8 +615,8 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv,
         u32 norm_fa_ofdm;
         u32 norm_fa_cck;
         struct iwl_sensitivity_data *data = NULL;
-        struct statistics_rx_non_phy *rx_info = &(resp->rx.general);
-        struct statistics_rx *statistics = &(resp->rx);
+        struct statistics_rx_non_phy *rx_info;
+        struct statistics_rx_phy *ofdm, *cck;
         unsigned long flags;
         struct statistics_general_data statis;
 
@@ -632,6 +631,16 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv,
         }
 
         spin_lock_irqsave(&priv->lock, flags);
+        if (priv->cfg->bt_statistics) {
+                rx_info = &(((struct iwl_bt_notif_statistics *)resp)->
+                              rx.general.common);
+                ofdm = &(((struct iwl_bt_notif_statistics *)resp)->rx.ofdm);
+                cck = &(((struct iwl_bt_notif_statistics *)resp)->rx.cck);
+        } else {
+                rx_info = &(((struct iwl_notif_statistics *)resp)->rx.general);
+                ofdm = &(((struct iwl_notif_statistics *)resp)->rx.ofdm);
+                cck = &(((struct iwl_notif_statistics *)resp)->rx.cck);
+        }
         if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) {
                 IWL_DEBUG_CALIB(priv, "<< invalid data.\n");
                 spin_unlock_irqrestore(&priv->lock, flags);
@@ -640,23 +649,23 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv,
 
         /* Extract Statistics: */
         rx_enable_time = le32_to_cpu(rx_info->channel_load);
-        fa_cck = le32_to_cpu(statistics->cck.false_alarm_cnt);
-        fa_ofdm = le32_to_cpu(statistics->ofdm.false_alarm_cnt);
-        bad_plcp_cck = le32_to_cpu(statistics->cck.plcp_err);
-        bad_plcp_ofdm = le32_to_cpu(statistics->ofdm.plcp_err);
+        fa_cck = le32_to_cpu(cck->false_alarm_cnt);
+        fa_ofdm = le32_to_cpu(ofdm->false_alarm_cnt);
+        bad_plcp_cck = le32_to_cpu(cck->plcp_err);
+        bad_plcp_ofdm = le32_to_cpu(ofdm->plcp_err);
 
         statis.beacon_silence_rssi_a =
-                        le32_to_cpu(statistics->general.beacon_silence_rssi_a);
+                        le32_to_cpu(rx_info->beacon_silence_rssi_a);
         statis.beacon_silence_rssi_b =
-                        le32_to_cpu(statistics->general.beacon_silence_rssi_b);
+                        le32_to_cpu(rx_info->beacon_silence_rssi_b);
         statis.beacon_silence_rssi_c =
-                        le32_to_cpu(statistics->general.beacon_silence_rssi_c);
+                        le32_to_cpu(rx_info->beacon_silence_rssi_c);
         statis.beacon_energy_a =
-                        le32_to_cpu(statistics->general.beacon_energy_a);
+                        le32_to_cpu(rx_info->beacon_energy_a);
         statis.beacon_energy_b =
-                        le32_to_cpu(statistics->general.beacon_energy_b);
+                        le32_to_cpu(rx_info->beacon_energy_b);
         statis.beacon_energy_c =
-                        le32_to_cpu(statistics->general.beacon_energy_c);
+                        le32_to_cpu(rx_info->beacon_energy_c);
 
         spin_unlock_irqrestore(&priv->lock, flags);
 
@@ -728,8 +737,7 @@ static inline u8 find_first_chain(u8 mask)
  * 1)  Which antennas are connected.
  * 2)  Differential rx gain settings to balance the 3 receivers.
  */
-void iwl_chain_noise_calibration(struct iwl_priv *priv,
-                                 struct iwl_notif_statistics *stat_resp)
+void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp)
 {
         struct iwl_chain_noise_data *data = NULL;
 
@@ -753,7 +761,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
         u32 active_chains = 0;
         u8 num_tx_chains;
         unsigned long flags;
-        struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general);
+        struct statistics_rx_non_phy *rx_info;
         u8 first_chain;
 
         if (priv->disable_chain_noise_cal)
@@ -772,6 +780,13 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
         }
 
         spin_lock_irqsave(&priv->lock, flags);
+        if (priv->cfg->bt_statistics) {
+                rx_info = &(((struct iwl_bt_notif_statistics *)stat_resp)->
+                              rx.general.common);
+        } else {
+                rx_info = &(((struct iwl_notif_statistics *)stat_resp)->
+                              rx.general);
+        }
         if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) {
                 IWL_DEBUG_CALIB(priv, " << Interference data unavailable\n");
                 spin_unlock_irqrestore(&priv->lock, flags);
@@ -780,8 +795,19 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
 
         rxon_band24 = !!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK);
         rxon_chnum = le16_to_cpu(priv->staging_rxon.channel);
-        stat_band24 = !!(stat_resp->flag & STATISTICS_REPLY_FLG_BAND_24G_MSK);
-        stat_chnum = le32_to_cpu(stat_resp->flag) >> 16;
+        if (priv->cfg->bt_statistics) {
+                stat_band24 = !!(((struct iwl_bt_notif_statistics *)
+                                 stat_resp)->flag &
+                                 STATISTICS_REPLY_FLG_BAND_24G_MSK);
+                stat_chnum = le32_to_cpu(((struct iwl_bt_notif_statistics *)
+                                         stat_resp)->flag) >> 16;
+        } else {
+                stat_band24 = !!(((struct iwl_notif_statistics *)
+                                 stat_resp)->flag &
+                                 STATISTICS_REPLY_FLG_BAND_24G_MSK);
+                stat_chnum = le32_to_cpu(((struct iwl_notif_statistics *)
+                                         stat_resp)->flag) >> 16;
+        }
 
         /* Make sure we accumulate data for just the associated channel
          *   (even if scanning). */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
index 11dd1f736bed..19d1e5e86261 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
@@ -31,21 +31,24 @@
 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 {
         int p = 0;
+        u32 flag;
 
-        p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n",
-                       le32_to_cpu(priv->_agn.statistics.flag));
-        if (le32_to_cpu(priv->_agn.statistics.flag) &
-                        UCODE_STATISTICS_CLEAR_MSK)
+        if (priv->cfg->bt_statistics)
+                flag = le32_to_cpu(priv->_agn.statistics_bt.flag);
+        else
+                flag = le32_to_cpu(priv->_agn.statistics.flag);
+
+        p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
+        if (flag & UCODE_STATISTICS_CLEAR_MSK)
                 p += scnprintf(buf + p, bufsz - p,
-                               "\tStatistics have been cleared\n");
+                "\tStatistics have been cleared\n");
         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
-                       (le32_to_cpu(priv->_agn.statistics.flag) &
-                        UCODE_STATISTICS_FREQUENCY_MSK)
-                        ? "2.4 GHz" : "5.2 GHz");
+                (flag & UCODE_STATISTICS_FREQUENCY_MSK)
+                ? "2.4 GHz" : "5.2 GHz");
         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
-                       (le32_to_cpu(priv->_agn.statistics.flag) &
-                        UCODE_STATISTICS_NARROW_BAND_MSK)
-                        ? "enabled" : "disabled");
+                (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
+                 ? "enabled" : "disabled");
+
         return p;
 }
 
@@ -79,22 +82,43 @@ ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf,
          * the last statistics notification from uCode
          * might not reflect the current uCode activity
          */
-        ofdm = &priv->_agn.statistics.rx.ofdm;
-        cck = &priv->_agn.statistics.rx.cck;
-        general = &priv->_agn.statistics.rx.general;
-        ht = &priv->_agn.statistics.rx.ofdm_ht;
-        accum_ofdm = &priv->_agn.accum_statistics.rx.ofdm;
-        accum_cck = &priv->_agn.accum_statistics.rx.cck;
-        accum_general = &priv->_agn.accum_statistics.rx.general;
-        accum_ht = &priv->_agn.accum_statistics.rx.ofdm_ht;
-        delta_ofdm = &priv->_agn.delta_statistics.rx.ofdm;
-        delta_cck = &priv->_agn.delta_statistics.rx.cck;
-        delta_general = &priv->_agn.delta_statistics.rx.general;
-        delta_ht = &priv->_agn.delta_statistics.rx.ofdm_ht;
-        max_ofdm = &priv->_agn.max_delta.rx.ofdm;
-        max_cck = &priv->_agn.max_delta.rx.cck;
-        max_general = &priv->_agn.max_delta.rx.general;
-        max_ht = &priv->_agn.max_delta.rx.ofdm_ht;
+        if (priv->cfg->bt_statistics) {
+                ofdm = &priv->_agn.statistics_bt.rx.ofdm;
+                cck = &priv->_agn.statistics_bt.rx.cck;
+                general = &priv->_agn.statistics_bt.rx.general.common;
+                ht = &priv->_agn.statistics_bt.rx.ofdm_ht;
+                accum_ofdm = &priv->_agn.accum_statistics_bt.rx.ofdm;
+                accum_cck = &priv->_agn.accum_statistics_bt.rx.cck;
+                accum_general =
+                        &priv->_agn.accum_statistics_bt.rx.general.common;
+                accum_ht = &priv->_agn.accum_statistics_bt.rx.ofdm_ht;
+                delta_ofdm = &priv->_agn.delta_statistics_bt.rx.ofdm;
+                delta_cck = &priv->_agn.delta_statistics_bt.rx.cck;
+                delta_general =
+                        &priv->_agn.delta_statistics_bt.rx.general.common;
+                delta_ht = &priv->_agn.delta_statistics_bt.rx.ofdm_ht;
+                max_ofdm = &priv->_agn.max_delta_bt.rx.ofdm;
+                max_cck = &priv->_agn.max_delta_bt.rx.cck;
+                max_general = &priv->_agn.max_delta_bt.rx.general.common;
+                max_ht = &priv->_agn.max_delta_bt.rx.ofdm_ht;
+        } else {
+                ofdm = &priv->_agn.statistics.rx.ofdm;
+                cck = &priv->_agn.statistics.rx.cck;
+                general = &priv->_agn.statistics.rx.general;
+                ht = &priv->_agn.statistics.rx.ofdm_ht;
+                accum_ofdm = &priv->_agn.accum_statistics.rx.ofdm;
+                accum_cck = &priv->_agn.accum_statistics.rx.cck;
+                accum_general = &priv->_agn.accum_statistics.rx.general;
+                accum_ht = &priv->_agn.accum_statistics.rx.ofdm_ht;
+                delta_ofdm = &priv->_agn.delta_statistics.rx.ofdm;
+                delta_cck = &priv->_agn.delta_statistics.rx.cck;
+                delta_general = &priv->_agn.delta_statistics.rx.general;
+                delta_ht = &priv->_agn.delta_statistics.rx.ofdm_ht;
+                max_ofdm = &priv->_agn.max_delta.rx.ofdm;
+                max_cck = &priv->_agn.max_delta.rx.cck;
+                max_general = &priv->_agn.max_delta.rx.general;
+                max_ht = &priv->_agn.max_delta.rx.ofdm_ht;
+        }
 
         pos += iwl_statistics_flag(priv, buf, bufsz);
         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
@@ -560,10 +584,18 @@ ssize_t iwl_ucode_tx_stats_read(struct file *file,
           * the last statistics notification from uCode
           * might not reflect the current uCode activity
           */
-        tx = &priv->_agn.statistics.tx;
-        accum_tx = &priv->_agn.accum_statistics.tx;
-        delta_tx = &priv->_agn.delta_statistics.tx;
-        max_tx = &priv->_agn.max_delta.tx;
+        if (priv->cfg->bt_statistics) {
+                tx = &priv->_agn.statistics_bt.tx;
+                accum_tx = &priv->_agn.accum_statistics_bt.tx;
+                delta_tx = &priv->_agn.delta_statistics_bt.tx;
+                max_tx = &priv->_agn.max_delta_bt.tx;
+        } else {
+                tx = &priv->_agn.statistics.tx;
+                accum_tx = &priv->_agn.accum_statistics.tx;
+                delta_tx = &priv->_agn.delta_statistics.tx;
+                max_tx = &priv->_agn.max_delta.tx;
+        }
+
         pos += iwl_statistics_flag(priv, buf, bufsz);
         pos += scnprintf(buf + pos, bufsz - pos,  "%-32s     current"
                          "acumulative       delta         max\n",
@@ -777,18 +809,34 @@ ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf,
           * the last statistics notification from uCode
           * might not reflect the current uCode activity
           */
-        general = &priv->_agn.statistics.general.common;
-        dbg = &priv->_agn.statistics.general.common.dbg;
-        div = &priv->_agn.statistics.general.common.div;
-        accum_general = &priv->_agn.accum_statistics.general.common;
-        delta_general = &priv->_agn.delta_statistics.general.common;
-        max_general = &priv->_agn.max_delta.general.common;
-        accum_dbg = &priv->_agn.accum_statistics.general.common.dbg;
-        delta_dbg = &priv->_agn.delta_statistics.general.common.dbg;
-        max_dbg = &priv->_agn.max_delta.general.common.dbg;
-        accum_div = &priv->_agn.accum_statistics.general.common.div;
-        delta_div = &priv->_agn.delta_statistics.general.common.div;
-        max_div = &priv->_agn.max_delta.general.common.div;
+        if (priv->cfg->bt_statistics) {
+                general = &priv->_agn.statistics_bt.general.common;
+                dbg = &priv->_agn.statistics_bt.general.common.dbg;
+                div = &priv->_agn.statistics_bt.general.common.div;
+                accum_general = &priv->_agn.accum_statistics_bt.general.common;
+                accum_dbg = &priv->_agn.accum_statistics_bt.general.common.dbg;
+                accum_div = &priv->_agn.accum_statistics_bt.general.common.div;
+                delta_general = &priv->_agn.delta_statistics_bt.general.common;
+                max_general = &priv->_agn.max_delta_bt.general.common;
+                delta_dbg = &priv->_agn.delta_statistics_bt.general.common.dbg;
+                max_dbg = &priv->_agn.max_delta_bt.general.common.dbg;
+                delta_div = &priv->_agn.delta_statistics_bt.general.common.div;
+                max_div = &priv->_agn.max_delta_bt.general.common.div;
+        } else {
+                general = &priv->_agn.statistics.general.common;
+                dbg = &priv->_agn.statistics.general.common.dbg;
+                div = &priv->_agn.statistics.general.common.div;
+                accum_general = &priv->_agn.accum_statistics.general.common;
+                accum_dbg = &priv->_agn.accum_statistics.general.common.dbg;
+                accum_div = &priv->_agn.accum_statistics.general.common.div;
+                delta_general = &priv->_agn.delta_statistics.general.common;
+                max_general = &priv->_agn.max_delta.general.common;
+                delta_dbg = &priv->_agn.delta_statistics.general.common.dbg;
+                max_dbg = &priv->_agn.max_delta.general.common.dbg;
+                delta_div = &priv->_agn.delta_statistics.general.common.div;
+                max_div = &priv->_agn.max_delta.general.common.div;
+        }
+
         pos += iwl_statistics_flag(priv, buf, bufsz);
         pos += scnprintf(buf + pos, bufsz - pos, "%-32s     current"
                          "acumulative       delta         max\n",
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
index 249b77bbf638..9490eced1198 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
@@ -67,17 +67,22 @@ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
  *   exactly when to expect beacons, therefore only when we're associated. */
 static void iwl_rx_calc_noise(struct iwl_priv *priv)
 {
-        struct statistics_rx_non_phy *rx_info
-                                = &(priv->_agn.statistics.rx.general);
+        struct statistics_rx_non_phy *rx_info;
         int num_active_rx = 0;
         int total_silence = 0;
-        int bcn_silence_a =
+        int bcn_silence_a, bcn_silence_b, bcn_silence_c;
+        int last_rx_noise;
+
+        if (priv->cfg->bt_statistics)
+                rx_info = &(priv->_agn.statistics_bt.rx.general.common);
+        else
+                rx_info = &(priv->_agn.statistics.rx.general);
+        bcn_silence_a =
                 le32_to_cpu(rx_info->beacon_silence_rssi_a) & IN_BAND_FILTER;
-        int bcn_silence_b =
+        bcn_silence_b =
                 le32_to_cpu(rx_info->beacon_silence_rssi_b) & IN_BAND_FILTER;
-        int bcn_silence_c =
+        bcn_silence_c =
                 le32_to_cpu(rx_info->beacon_silence_rssi_c) & IN_BAND_FILTER;
-        int last_rx_noise;
 
         if (bcn_silence_a) {
                 total_silence += bcn_silence_a;
@@ -112,17 +117,35 @@ static void iwl_rx_calc_noise(struct iwl_priv *priv)
 static void iwl_accumulative_statistics(struct iwl_priv *priv,
                                         __le32 *stats)
 {
-        int i;
+        int i, size;
         __le32 *prev_stats;
         u32 *accum_stats;
         u32 *delta, *max_delta;
+        struct statistics_general_common *general, *accum_general;
+        struct statistics_tx *tx, *accum_tx;
 
-        prev_stats = (__le32 *)&priv->_agn.statistics;
-        accum_stats = (u32 *)&priv->_agn.accum_statistics;
-        delta = (u32 *)&priv->_agn.delta_statistics;
-        max_delta = (u32 *)&priv->_agn.max_delta;
-
-        for (i = sizeof(__le32); i < sizeof(struct iwl_notif_statistics);
+        if (priv->cfg->bt_statistics) {
+                prev_stats = (__le32 *)&priv->_agn.statistics_bt;
+                accum_stats = (u32 *)&priv->_agn.accum_statistics_bt;
+                size = sizeof(struct iwl_bt_notif_statistics);
+                general = &priv->_agn.statistics_bt.general.common;
+                accum_general = &priv->_agn.accum_statistics_bt.general.common;
+                tx = &priv->_agn.statistics_bt.tx;
+                accum_tx = &priv->_agn.accum_statistics_bt.tx;
+                delta = (u32 *)&priv->_agn.delta_statistics_bt;
+                max_delta = (u32 *)&priv->_agn.max_delta_bt;
+        } else {
+                prev_stats = (__le32 *)&priv->_agn.statistics;
+                accum_stats = (u32 *)&priv->_agn.accum_statistics;
+                size = sizeof(struct iwl_notif_statistics);
+                general = &priv->_agn.statistics.general.common;
+                accum_general = &priv->_agn.accum_statistics.general.common;
+                tx = &priv->_agn.statistics.tx;
+                accum_tx = &priv->_agn.accum_statistics.tx;
+                delta = (u32 *)&priv->_agn.delta_statistics;
+                max_delta = (u32 *)&priv->_agn.max_delta;
+        }
+        for (i = sizeof(__le32); i < size;
              i += sizeof(__le32), stats++, prev_stats++, delta++,
              max_delta++, accum_stats++) {
                 if (le32_to_cpu(*stats) > le32_to_cpu(*prev_stats)) {
@@ -135,18 +158,12 @@ static void iwl_accumulative_statistics(struct iwl_priv *priv,
         }
 
         /* reset accumulative statistics for "no-counter" type statistics */
-        priv->_agn.accum_statistics.general.common.temperature =
-                priv->_agn.statistics.general.common.temperature;
-        priv->_agn.accum_statistics.general.common.temperature_m =
-                priv->_agn.statistics.general.common.temperature_m;
-        priv->_agn.accum_statistics.general.common.ttl_timestamp =
-                priv->_agn.statistics.general.common.ttl_timestamp;
-        priv->_agn.accum_statistics.tx.tx_power.ant_a =
-                priv->_agn.statistics.tx.tx_power.ant_a;
-        priv->_agn.accum_statistics.tx.tx_power.ant_b =
-                priv->_agn.statistics.tx.tx_power.ant_b;
-        priv->_agn.accum_statistics.tx.tx_power.ant_c =
-                priv->_agn.statistics.tx.tx_power.ant_c;
+        accum_general->temperature = general->temperature;
+        accum_general->temperature_m = general->temperature_m;
+        accum_general->ttl_timestamp = general->ttl_timestamp;
+        accum_tx->tx_power.ant_a = tx->tx_power.ant_a;
+        accum_tx->tx_power.ant_b = tx->tx_power.ant_b;
+        accum_tx->tx_power.ant_c = tx->tx_power.ant_c;
 }
 #endif
 
@@ -185,11 +202,30 @@ bool iwl_good_plcp_health(struct iwl_priv *priv,
          * by zero.
          */
         if (plcp_msec) {
-                combined_plcp_delta =
-                        (le32_to_cpu(pkt->u.stats.rx.ofdm.plcp_err) -
-                        le32_to_cpu(priv->_agn.statistics.rx.ofdm.plcp_err)) +
-                        (le32_to_cpu(pkt->u.stats.rx.ofdm_ht.plcp_err) -
-                        le32_to_cpu(priv->_agn.statistics.rx.ofdm_ht.plcp_err));
+                struct statistics_rx_phy *ofdm;
+                struct statistics_rx_ht_phy *ofdm_ht;
+
+                if (priv->cfg->bt_statistics) {
+                        ofdm = &pkt->u.stats_bt.rx.ofdm;
+                        ofdm_ht = &pkt->u.stats_bt.rx.ofdm_ht;
+                        combined_plcp_delta =
+                           (le32_to_cpu(ofdm->plcp_err) -
+                           le32_to_cpu(priv->_agn.statistics_bt.
+                                       rx.ofdm.plcp_err)) +
+                           (le32_to_cpu(ofdm_ht->plcp_err) -
+                           le32_to_cpu(priv->_agn.statistics_bt.
+                                       rx.ofdm_ht.plcp_err));
+                } else {
+                        ofdm = &pkt->u.stats.rx.ofdm;
+                        ofdm_ht = &pkt->u.stats.rx.ofdm_ht;
+                        combined_plcp_delta =
+                            (le32_to_cpu(ofdm->plcp_err) -
+                            le32_to_cpu(priv->_agn.statistics.
+                                        rx.ofdm.plcp_err)) +
+                            (le32_to_cpu(ofdm_ht->plcp_err) -
+                            le32_to_cpu(priv->_agn.statistics.
+                                        rx.ofdm_ht.plcp_err));
+                }
 
                 if ((combined_plcp_delta > 0) &&
                     ((combined_plcp_delta * 100) / plcp_msec) >
@@ -206,15 +242,14 @@ bool iwl_good_plcp_health(struct iwl_priv *priv,
                          *    plcp_msec
                          */
                         IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, "
-                                "%u, %u, %u, %u, %d, %u mSecs\n",
-                                priv->cfg->plcp_delta_threshold,
-                                le32_to_cpu(pkt->u.stats.rx.ofdm.plcp_err),
-                                le32_to_cpu(
-                                       priv->_agn.statistics.rx.ofdm.plcp_err),
-                                le32_to_cpu(pkt->u.stats.rx.ofdm_ht.plcp_err),
-                                le32_to_cpu(
-                                  priv->_agn.statistics.rx.ofdm_ht.plcp_err),
-                                combined_plcp_delta, plcp_msec);
+                                    "%u, %u, %u, %u, %d, %u mSecs\n",
+                                    priv->cfg->plcp_delta_threshold,
+                                    le32_to_cpu(ofdm->plcp_err),
+                                    le32_to_cpu(ofdm->plcp_err),
+                                    le32_to_cpu(ofdm_ht->plcp_err),
+                                    le32_to_cpu(ofdm_ht->plcp_err),
+                                    combined_plcp_delta, plcp_msec);
+
                         rc = false;
                 }
         }
@@ -227,24 +262,50 @@ void iwl_rx_statistics(struct iwl_priv *priv,
         int change;
         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 
+        if (priv->cfg->bt_statistics) {
+                IWL_DEBUG_RX(priv,
+                             "Statistics notification received (%d vs %d).\n",
+                             (int)sizeof(struct iwl_bt_notif_statistics),
+                             le32_to_cpu(pkt->len_n_flags) &
+                             FH_RSCSR_FRAME_SIZE_MSK);
 
-        IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n",
-                     (int)sizeof(priv->_agn.statistics),
-                     le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
+                change = ((priv->_agn.statistics_bt.general.common.temperature !=
+                           pkt->u.stats_bt.general.common.temperature) ||
+                           ((priv->_agn.statistics_bt.flag &
+                           STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
+                           (pkt->u.stats_bt.flag &
+                           STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+                iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats_bt);
+#endif
 
-        change = ((priv->_agn.statistics.general.common.temperature !=
-                   pkt->u.stats.general.common.temperature) ||
-                  ((priv->_agn.statistics.flag &
-                    STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
-                   (pkt->u.stats.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
+        } else {
+                IWL_DEBUG_RX(priv,
+                             "Statistics notification received (%d vs %d).\n",
+                             (int)sizeof(struct iwl_notif_statistics),
+                             le32_to_cpu(pkt->len_n_flags) &
+                             FH_RSCSR_FRAME_SIZE_MSK);
 
+                change = ((priv->_agn.statistics.general.common.temperature !=
+                           pkt->u.stats.general.common.temperature) ||
+                           ((priv->_agn.statistics.flag &
+                           STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
+                           (pkt->u.stats.flag &
+                           STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
 #ifdef CONFIG_IWLWIFI_DEBUGFS
-        iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats);
+                iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats);
 #endif
+
+        }
+
         iwl_recover_from_statistics(priv, pkt);
 
-        memcpy(&priv->_agn.statistics, &pkt->u.stats,
-               sizeof(priv->_agn.statistics));
+        if (priv->cfg->bt_statistics)
+                memcpy(&priv->_agn.statistics_bt, &pkt->u.stats_bt,
+                        sizeof(priv->_agn.statistics_bt));
+        else
+                memcpy(&priv->_agn.statistics, &pkt->u.stats,
+                        sizeof(priv->_agn.statistics));
 
         set_bit(STATUS_STATISTICS, &priv->status);
 
@@ -277,6 +338,12 @@ void iwl_reply_statistics(struct iwl_priv *priv,
                         sizeof(struct iwl_notif_statistics));
                 memset(&priv->_agn.max_delta, 0,
                         sizeof(struct iwl_notif_statistics));
+                memset(&priv->_agn.accum_statistics_bt, 0,
+                        sizeof(struct iwl_bt_notif_statistics));
+                memset(&priv->_agn.delta_statistics_bt, 0,
+                        sizeof(struct iwl_bt_notif_statistics));
+                memset(&priv->_agn.max_delta_bt, 0,
+                        sizeof(struct iwl_bt_notif_statistics));
 #endif
                 IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
         }
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 7391c63fb024..33a8f13ffe0a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3008,9 +3008,17 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work)
         }
 
         if (priv->start_calib) {
-                iwl_chain_noise_calibration(priv, &priv->_agn.statistics);
-
-                iwl_sensitivity_calibration(priv, &priv->_agn.statistics);
+                if (priv->cfg->bt_statistics) {
+                        iwl_chain_noise_calibration(priv,
+                                        (void *)&priv->_agn.statistics_bt);
+                        iwl_sensitivity_calibration(priv,
+                                        (void *)&priv->_agn.statistics_bt);
+                } else {
+                        iwl_chain_noise_calibration(priv,
+                                        (void *)&priv->_agn.statistics);
+                        iwl_sensitivity_calibration(priv,
+                                        (void *)&priv->_agn.statistics);
+                }
         }
 
         mutex_unlock(&priv->mutex);
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.h b/drivers/net/wireless/iwlwifi/iwl-calib.h
index 2b7b1df83ba0..ba9523fbb300 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.h
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.h
@@ -66,10 +66,8 @@
 #include "iwl-core.h"
 #include "iwl-commands.h"
 
-void iwl_chain_noise_calibration(struct iwl_priv *priv,
-                                struct iwl_notif_statistics *stat_resp);
-void iwl_sensitivity_calibration(struct iwl_priv *priv,
-                                struct iwl_notif_statistics *resp);
+void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp);
+void iwl_sensitivity_calibration(struct iwl_priv *priv, void *resp);
 
 void iwl_init_sensitivity(struct iwl_priv *priv);
 void iwl_reset_run_time_calib(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 4be90637b568..04b2e2987f1e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3988,6 +3988,7 @@ struct iwl_rx_packet {
                 struct iwl_sleep_notification sleep_notif;
                 struct iwl_spectrum_resp spectrum;
                 struct iwl_notif_statistics stats;
+                struct iwl_bt_notif_statistics stats_bt;
                 struct iwl_compressed_ba_resp compressed_ba;
                 struct iwl_missed_beacon_notif missed_beacon;
                 struct iwl_coex_medium_notification coex_medium_notif;
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index dff1b17d5ea8..297f8d1f5cb5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1322,10 +1322,14 @@ struct iwl_priv {
                         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 
                         struct iwl_notif_statistics statistics;
+                        struct iwl_bt_notif_statistics statistics_bt;
 #ifdef CONFIG_IWLWIFI_DEBUGFS
                         struct iwl_notif_statistics accum_statistics;
                         struct iwl_notif_statistics delta_statistics;
                         struct iwl_notif_statistics max_delta;
+                        struct iwl_bt_notif_statistics accum_statistics_bt;
+                        struct iwl_bt_notif_statistics delta_statistics_bt;
+                        struct iwl_bt_notif_statistics max_delta_bt;
 #endif
                 } _agn;
 #endif