1 files changed, 82 insertions, 14 deletions

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 7cd5f56662fc..6f8cb3ee6fed 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -291,7 +291,8 @@ struct mac80211_hwsim_data {
         struct ieee80211_channel *channel;
         unsigned long beacon_int; /* in jiffies unit */
         unsigned int rx_filter;
-        bool started, idle;
+        bool started, idle, scanning;
+        struct mutex mutex;
         struct timer_list beacon_timer;
         enum ps_mode {
                 PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL
@@ -651,17 +652,17 @@ static void mac80211_hwsim_beacon(unsigned long arg)
         add_timer(&data->beacon_timer);
 }
 
+static const char *hwsim_chantypes[] = {
+        [NL80211_CHAN_NO_HT] = "noht",
+        [NL80211_CHAN_HT20] = "ht20",
+        [NL80211_CHAN_HT40MINUS] = "ht40-",
+        [NL80211_CHAN_HT40PLUS] = "ht40+",
+};
 
 static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
 {
         struct mac80211_hwsim_data *data = hw->priv;
         struct ieee80211_conf *conf = &hw->conf;
-        static const char *chantypes[4] = {
-                [NL80211_CHAN_NO_HT] = "noht",
-                [NL80211_CHAN_HT20] = "ht20",
-                [NL80211_CHAN_HT40MINUS] = "ht40-",
-                [NL80211_CHAN_HT40PLUS] = "ht40+",
-        };
         static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
                 [IEEE80211_SMPS_AUTOMATIC] = "auto",
                 [IEEE80211_SMPS_OFF] = "off",
@@ -672,7 +673,7 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
         printk(KERN_DEBUG "%s:%s (freq=%d/%s idle=%d ps=%d smps=%s)\n",
                wiphy_name(hw->wiphy), __func__,
                conf->channel->center_freq,
-               chantypes[conf->channel_type],
+               hwsim_chantypes[conf->channel_type],
                !!(conf->flags & IEEE80211_CONF_IDLE),
                !!(conf->flags & IEEE80211_CONF_PS),
                smps_modes[conf->smps_mode]);
@@ -760,9 +761,10 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
         }
 
         if (changed & BSS_CHANGED_HT) {
-                printk(KERN_DEBUG "  %s: HT: op_mode=0x%x\n",
+                printk(KERN_DEBUG "  %s: HT: op_mode=0x%x, chantype=%s\n",
                        wiphy_name(hw->wiphy),
-                       info->ht_operation_mode);
+                       info->ht_operation_mode,
+                       hwsim_chantypes[info->channel_type]);
         }
 
         if (changed & BSS_CHANGED_BASIC_RATES) {
@@ -829,6 +831,33 @@ static int mac80211_hwsim_conf_tx(
         return 0;
 }
 
+static int mac80211_hwsim_get_survey(
+        struct ieee80211_hw *hw, int idx,
+        struct survey_info *survey)
+{
+        struct ieee80211_conf *conf = &hw->conf;
+
+        printk(KERN_DEBUG "%s:%s (idx=%d)\n",
+               wiphy_name(hw->wiphy), __func__, idx);
+
+        if (idx != 0)
+                return -ENOENT;
+
+        /* Current channel */
+        survey->channel = conf->channel;
+
+        /*
+         * Magically conjured noise level --- this is only ok for simulated hardware.
+         *
+         * A real driver which cannot determine the real channel noise MUST NOT
+         * report any noise, especially not a magically conjured one :-)
+         */
+        survey->filled = SURVEY_INFO_NOISE_DBM;
+        survey->noise = -92;
+
+        return 0;
+}
+
 #ifdef CONFIG_NL80211_TESTMODE
 /*
  * This section contains example code for using netlink
@@ -946,6 +975,7 @@ static void hw_scan_done(struct work_struct *work)
 }
 
 static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
+                                  struct ieee80211_vif *vif,
                                   struct cfg80211_scan_request *req)
 {
         struct hw_scan_done *hsd = kzalloc(sizeof(*hsd), GFP_KERNEL);
@@ -957,9 +987,9 @@ static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
         hsd->hw = hw;
         INIT_DELAYED_WORK(&hsd->w, hw_scan_done);
 
-        printk(KERN_DEBUG "hwsim scan request\n");
+        printk(KERN_DEBUG "hwsim hw_scan request\n");
         for (i = 0; i < req->n_channels; i++)
-                printk(KERN_DEBUG "hwsim scan freq %d\n",
+                printk(KERN_DEBUG "hwsim hw_scan freq %d\n",
                         req->channels[i]->center_freq);
 
         ieee80211_queue_delayed_work(hw, &hsd->w, 2 * HZ);
@@ -967,6 +997,36 @@ static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
         return 0;
 }
 
+static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw)
+{
+        struct mac80211_hwsim_data *hwsim = hw->priv;
+
+        mutex_lock(&hwsim->mutex);
+
+        if (hwsim->scanning) {
+                printk(KERN_DEBUG "two hwsim sw_scans detected!\n");
+                goto out;
+        }
+
+        printk(KERN_DEBUG "hwsim sw_scan request, prepping stuff\n");
+        hwsim->scanning = true;
+
+out:
+        mutex_unlock(&hwsim->mutex);
+}
+
+static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw)
+{
+        struct mac80211_hwsim_data *hwsim = hw->priv;
+
+        mutex_lock(&hwsim->mutex);
+
+        printk(KERN_DEBUG "hwsim sw_scan_complete\n");
+        hwsim->scanning = false;
+
+        mutex_unlock(&hwsim->mutex);
+}
+
 static struct ieee80211_ops mac80211_hwsim_ops =
 {
         .tx = mac80211_hwsim_tx,
@@ -982,8 +1042,11 @@ static struct ieee80211_ops mac80211_hwsim_ops =
         .sta_notify = mac80211_hwsim_sta_notify,
         .set_tim = mac80211_hwsim_set_tim,
         .conf_tx = mac80211_hwsim_conf_tx,
+        .get_survey = mac80211_hwsim_get_survey,
         CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd)
         .ampdu_action = mac80211_hwsim_ampdu_action,
+        .sw_scan_start = mac80211_hwsim_sw_scan,
+        .sw_scan_complete = mac80211_hwsim_sw_scan_complete,
         .flush = mac80211_hwsim_flush,
 };
 
@@ -1179,8 +1242,11 @@ static int __init init_mac80211_hwsim(void)
         if (radios < 1 || radios > 100)
                 return -EINVAL;
 
-        if (fake_hw_scan)
+        if (fake_hw_scan) {
                 mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
+                mac80211_hwsim_ops.sw_scan_start = NULL;
+                mac80211_hwsim_ops.sw_scan_complete = NULL;
+        }
 
         spin_lock_init(&hwsim_radio_lock);
         INIT_LIST_HEAD(&hwsim_radios);
@@ -1235,7 +1301,8 @@ static int __init init_mac80211_hwsim(void)
                 hw->flags = IEEE80211_HW_MFP_CAPABLE |
                             IEEE80211_HW_SIGNAL_DBM |
                             IEEE80211_HW_SUPPORTS_STATIC_SMPS |
-                            IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS;
+                            IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
+                            IEEE80211_HW_AMPDU_AGGREGATION;
 
                 /* ask mac80211 to reserve space for magic */
                 hw->vif_data_size = sizeof(struct hwsim_vif_priv);
@@ -1285,6 +1352,7 @@ static int __init init_mac80211_hwsim(void)
                 }
                 /* By default all radios are belonging to the first group */
                 data->group = 1;
+                mutex_init(&data->mutex);
 
                 /* Work to be done prior to ieee80211_register_hw() */
                 switch (regtest) {