1 files changed, 17 insertions, 243 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 35cfa1524c35..8fa4f7a2dc1a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -871,138 +871,6 @@ static void iwl_set_rate(struct iwl_priv *priv)
                    (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
 }
 
-#ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
-
-#include "iwl-spectrum.h"
-
-#define BEACON_TIME_MASK_LOW    0x00FFFFFF
-#define BEACON_TIME_MASK_HIGH   0xFF000000
-#define TIME_UNIT               1024
-
-/*
- * extended beacon time format
- * time in usec will be changed into a 32-bit value in 8:24 format
- * the high 1 byte is the beacon counts
- * the lower 3 bytes is the time in usec within one beacon interval
- */
-
-static u32 iwl_usecs_to_beacons(u32 usec, u32 beacon_interval)
-{
-        u32 quot;
-        u32 rem;
-        u32 interval = beacon_interval * 1024;
-
-        if (!interval || !usec)
-                return 0;
-
-        quot = (usec / interval) & (BEACON_TIME_MASK_HIGH >> 24);
-        rem = (usec % interval) & BEACON_TIME_MASK_LOW;
-
-        return (quot << 24) + rem;
-}
-
-/* base is usually what we get from ucode with each received frame,
- * the same as HW timer counter counting down
- */
-
-static __le32 iwl_add_beacon_time(u32 base, u32 addon, u32 beacon_interval)
-{
-        u32 base_low = base & BEACON_TIME_MASK_LOW;
-        u32 addon_low = addon & BEACON_TIME_MASK_LOW;
-        u32 interval = beacon_interval * TIME_UNIT;
-        u32 res = (base & BEACON_TIME_MASK_HIGH) +
-            (addon & BEACON_TIME_MASK_HIGH);
-
-        if (base_low > addon_low)
-                res += base_low - addon_low;
-        else if (base_low < addon_low) {
-                res += interval + base_low - addon_low;
-                res += (1 << 24);
-        } else
-                res += (1 << 24);
-
-        return cpu_to_le32(res);
-}
-
-static int iwl_get_measurement(struct iwl_priv *priv,
-                               struct ieee80211_measurement_params *params,
-                               u8 type)
-{
-        struct iwl4965_spectrum_cmd spectrum;
-        struct iwl_rx_packet *res;
-        struct iwl_host_cmd cmd = {
-                .id = REPLY_SPECTRUM_MEASUREMENT_CMD,
-                .data = (void *)&spectrum,
-                .meta.flags = CMD_WANT_SKB,
-        };
-        u32 add_time = le64_to_cpu(params->start_time);
-        int rc;
-        int spectrum_resp_status;
-        int duration = le16_to_cpu(params->duration);
-
-        if (iwl_is_associated(priv))
-                add_time =
-                    iwl_usecs_to_beacons(
-                        le64_to_cpu(params->start_time) - priv->last_tsf,
-                        le16_to_cpu(priv->rxon_timing.beacon_interval));
-
-        memset(&spectrum, 0, sizeof(spectrum));
-
-        spectrum.channel_count = cpu_to_le16(1);
-        spectrum.flags =
-            RXON_FLG_TSF2HOST_MSK | RXON_FLG_ANT_A_MSK | RXON_FLG_DIS_DIV_MSK;
-        spectrum.filter_flags = MEASUREMENT_FILTER_FLAG;
-        cmd.len = sizeof(spectrum);
-        spectrum.len = cpu_to_le16(cmd.len - sizeof(spectrum.len));
-
-        if (iwl_is_associated(priv))
-                spectrum.start_time =
-                    iwl_add_beacon_time(priv->last_beacon_time,
-                                add_time,
-                                le16_to_cpu(priv->rxon_timing.beacon_interval));
-        else
-                spectrum.start_time = 0;
-
-        spectrum.channels[0].duration = cpu_to_le32(duration * TIME_UNIT);
-        spectrum.channels[0].channel = params->channel;
-        spectrum.channels[0].type = type;
-        if (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK)
-                spectrum.flags |= RXON_FLG_BAND_24G_MSK |
-                    RXON_FLG_AUTO_DETECT_MSK | RXON_FLG_TGG_PROTECT_MSK;
-
-        rc = iwl_send_cmd_sync(priv, &cmd);
-        if (rc)
-                return rc;
-
-        res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
-        if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
-                IWL_ERROR("Bad return from REPLY_RX_ON_ASSOC command\n");
-                rc = -EIO;
-        }
-
-        spectrum_resp_status = le16_to_cpu(res->u.spectrum.status);
-        switch (spectrum_resp_status) {
-        case 0:         /* Command will be handled */
-                if (res->u.spectrum.id != 0xff) {
-                        IWL_DEBUG_INFO
-                            ("Replaced existing measurement: %d\n",
-                             res->u.spectrum.id);
-                        priv->measurement_status &= ~MEASUREMENT_READY;
-                }
-                priv->measurement_status |= MEASUREMENT_ACTIVE;
-                rc = 0;
-                break;
-
-        case 1:         /* Command will not be handled */
-                rc = -EAGAIN;
-                break;
-        }
-
-        dev_kfree_skb_any(cmd.meta.u.skb);
-
-        return rc;
-}
-#endif
 
 /******************************************************************************
  *
@@ -1072,24 +940,6 @@ static void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
         priv->staging_rxon.channel = csa->channel;
 }
 
-static void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv,
-                                          struct iwl_rx_mem_buffer *rxb)
-{
-#ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
-        struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
-        struct iwl4965_spectrum_notification *report = &(pkt->u.spectrum_notif);
-
-        if (!report->state) {
-                IWL_DEBUG(IWL_DL_11H,
-                        "Spectrum Measure Notification: Start\n");
-                return;
-        }
-
-        memcpy(&priv->measure_report, report, sizeof(*report));
-        priv->measurement_status |= MEASUREMENT_READY;
-#endif
-}
-
 static void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
                                       struct iwl_rx_mem_buffer *rxb)
 {
@@ -1298,8 +1148,6 @@ static void iwl_setup_rx_handlers(struct iwl_priv *priv)
         priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive;
         priv->rx_handlers[REPLY_ERROR] = iwl_rx_reply_error;
         priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa;
-        priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] =
-            iwl_rx_spectrum_measure_notif;
         priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif;
         priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
             iwl_rx_pm_debug_statistics_notif;
@@ -1313,6 +1161,7 @@ static void iwl_setup_rx_handlers(struct iwl_priv *priv)
         priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_rx_statistics;
         priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
 
+        iwl_setup_spectrum_handlers(priv);
         iwl_setup_rx_scan_handlers(priv);
 
         /* status change handler */
@@ -1359,7 +1208,7 @@ void iwl_rx_handle(struct iwl_priv *priv)
 
         /* uCode's read index (stored in shared DRAM) indicates the last Rx
          * buffer that the driver may process (last buffer filled by ucode). */
-        r = priv->cfg->ops->lib->shared_mem_rx_idx(priv);
+        r = le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF;
         i = rxq->read;
 
         /* Rx interrupt, but nothing sent from uCode */
@@ -2002,6 +1851,10 @@ static int iwl_read_ucode(struct iwl_priv *priv)
         return ret;
 }
 
+/* temporary */
+static int iwl_mac_beacon_update(struct ieee80211_hw *hw,
+                                 struct sk_buff *skb);
+
 /**
  * iwl_alive_start - called after REPLY_ALIVE notification received
  *                   from protocol/runtime uCode (initialization uCode's
@@ -2084,6 +1937,15 @@ static void iwl_alive_start(struct iwl_priv *priv)
 
         iwl_power_update_mode(priv, 1);
 
+        /* reassociate for ADHOC mode */
+        if (priv->vif && (priv->iw_mode == NL80211_IFTYPE_ADHOC)) {
+                struct sk_buff *beacon = ieee80211_beacon_get(priv->hw,
+                                                                priv->vif);
+                if (beacon)
+                        iwl_mac_beacon_update(priv->hw, beacon);
+        }
+
+
         if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
                 iwl_set_mode(priv, priv->iw_mode);
 
@@ -2183,8 +2045,6 @@ static void __iwl_down(struct iwl_priv *priv)
                 priv->cfg->ops->lib->apm_ops.stop(priv);
         else
                 priv->cfg->ops->lib->apm_ops.reset(priv);
-        priv->cfg->ops->lib->free_shared_mem(priv);
-
  exit:
         memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
 
@@ -2237,12 +2097,6 @@ static int __iwl_up(struct iwl_priv *priv)
 
         iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
 
-        ret = priv->cfg->ops->lib->alloc_shared_mem(priv);
-        if (ret) {
-                IWL_ERROR("Unable to allocate shared memory\n");
-                return ret;
-        }
-
         ret = iwl_hw_nic_init(priv);
         if (ret) {
                 IWL_ERROR("Unable to init nic\n");
@@ -2930,8 +2784,6 @@ static void iwl_config_ap(struct iwl_priv *priv)
          * clear sta table, add BCAST sta... */
 }
 
-/* temporary */
-static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb);
 
 static int iwl_mac_config_interface(struct ieee80211_hw *hw,
                                         struct ieee80211_vif *vif,
@@ -2953,7 +2805,9 @@ static int iwl_mac_config_interface(struct ieee80211_hw *hw,
                 struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
                 if (!beacon)
                         return -ENOMEM;
+                mutex_lock(&priv->mutex);
                 rc = iwl_mac_beacon_update(hw, beacon);
+                mutex_unlock(&priv->mutex);
                 if (rc)
                         return rc;
         }
@@ -3529,18 +3383,15 @@ static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
         unsigned long flags;
         __le64 timestamp;
 
-        mutex_lock(&priv->mutex);
         IWL_DEBUG_MAC80211("enter\n");
 
         if (!iwl_is_ready_rf(priv)) {
                 IWL_DEBUG_MAC80211("leave - RF not ready\n");
-                mutex_unlock(&priv->mutex);
                 return -EIO;
         }
 
         if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
                 IWL_DEBUG_MAC80211("leave - not IBSS\n");
-                mutex_unlock(&priv->mutex);
                 return -EIO;
         }
 
@@ -3562,7 +3413,6 @@ static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
 
         iwl_post_associate(priv);
 
-        mutex_unlock(&priv->mutex);
 
         return 0;
 }
@@ -3766,79 +3616,6 @@ static ssize_t store_filter_flags(struct device *d,
 static DEVICE_ATTR(filter_flags, S_IWUSR | S_IRUGO, show_filter_flags,
                    store_filter_flags);
 
-#ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
-
-static ssize_t show_measurement(struct device *d,
-                                struct device_attribute *attr, char *buf)
-{
-        struct iwl_priv *priv = dev_get_drvdata(d);
-        struct iwl4965_spectrum_notification measure_report;
-        u32 size = sizeof(measure_report), len = 0, ofs = 0;
-        u8 *data = (u8 *)&measure_report;
-        unsigned long flags;
-
-        spin_lock_irqsave(&priv->lock, flags);
-        if (!(priv->measurement_status & MEASUREMENT_READY)) {
-                spin_unlock_irqrestore(&priv->lock, flags);
-                return 0;
-        }
-        memcpy(&measure_report, &priv->measure_report, size);
-        priv->measurement_status = 0;
-        spin_unlock_irqrestore(&priv->lock, flags);
-
-        while (size && (PAGE_SIZE - len)) {
-                hex_dump_to_buffer(data + ofs, size, 16, 1, buf + len,
-                                   PAGE_SIZE - len, 1);
-                len = strlen(buf);
-                if (PAGE_SIZE - len)
-                        buf[len++] = '\n';
-
-                ofs += 16;
-                size -= min(size, 16U);
-        }
-
-        return len;
-}
-
-static ssize_t store_measurement(struct device *d,
-                                 struct device_attribute *attr,
-                                 const char *buf, size_t count)
-{
-        struct iwl_priv *priv = dev_get_drvdata(d);
-        struct ieee80211_measurement_params params = {
-                .channel = le16_to_cpu(priv->active_rxon.channel),
-                .start_time = cpu_to_le64(priv->last_tsf),
-                .duration = cpu_to_le16(1),
-        };
-        u8 type = IWL_MEASURE_BASIC;
-        u8 buffer[32];
-        u8 channel;
-
-        if (count) {
-                char *p = buffer;
-                strncpy(buffer, buf, min(sizeof(buffer), count));
-                channel = simple_strtoul(p, NULL, 0);
-                if (channel)
-                        params.channel = channel;
-
-                p = buffer;
-                while (*p && *p != ' ')
-                        p++;
-                if (*p)
-                        type = simple_strtoul(p + 1, NULL, 0);
-        }
-
-        IWL_DEBUG_INFO("Invoking measurement of type %d on "
-                       "channel %d (for '%s')\n", type, params.channel, buf);
-        iwl_get_measurement(priv, &params, type);
-
-        return count;
-}
-
-static DEVICE_ATTR(measurement, S_IRUSR | S_IWUSR,
-                   show_measurement, store_measurement);
-#endif /* CONFIG_IWLAGN_SPECTRUM_MEASUREMENT */
-
 static ssize_t store_retry_rate(struct device *d,
                                 struct device_attribute *attr,
                                 const char *buf, size_t count)
@@ -4091,9 +3868,6 @@ static struct attribute *iwl_sysfs_entries[] = {
         &dev_attr_channels.attr,
         &dev_attr_flags.attr,
         &dev_attr_filter_flags.attr,
-#ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
-        &dev_attr_measurement.attr,
-#endif
         &dev_attr_power_level.attr,
         &dev_attr_retry_rate.attr,
         &dev_attr_statistics.attr,