iwlwifi: mvm: prevent sched scan while not idle

Prevent sched scan while not idle (including during association or in AP
mode) instead of while associated only.

This fixes my previous commit which was incomplete:

commit bd5e4744a6ca64299b57a2682c720d00a475a734
Author: David Spinadel <david.spinadel@intel.com>
Date:   Thu Apr 24 13:15:29 2014 +0300

    iwlwifi: mvm: do no sched scan while associated

    Currently the FW doesn't support sched scan while associated,
    Prevent it.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 4b0b8b6571eeb8624eebbcd75a87c12b1cb9e013..b41dc84e9431e6c625d55a28d5cd3ca7a885cf08 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1807,7 +1807,7 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
 
        mutex_lock(&mvm->mutex);
 
-       if (iwl_mvm_is_associated(mvm)) {
+       if (!iwl_mvm_is_idle(mvm)) {
                ret = -EBUSY;
                goto out;
        }

diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 84c75a1b267e2f6c31c2aefb0c25de140a792125..f1ec0986c3c912865f0d51e1056ec03c786d8cc2 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -1004,7 +1004,7 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
 }
 
 /* Assoc status */
-bool iwl_mvm_is_associated(struct iwl_mvm *mvm);
+bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
 
 /* Thermal management and CT-kill */
 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);

diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index 6fdbef9696d8f6e34b5fea258c40bd7b6b433f2b..2180902266ae6636513346df888c9d68abf0a57e 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -645,21 +645,21 @@ bool iwl_mvm_low_latency(struct iwl_mvm *mvm)
        return result;
 }
 
-static void iwl_mvm_assoc_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
+static void iwl_mvm_idle_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
 {
-       bool *assoc = _data;
+       bool *idle = _data;
 
-       if (vif->bss_conf.assoc)
-               *assoc = true;
+       if (!vif->bss_conf.idle)
+               *idle = false;
 }
 
-bool iwl_mvm_is_associated(struct iwl_mvm *mvm)
+bool iwl_mvm_is_idle(struct iwl_mvm *mvm)
 {
-       bool assoc = false;
+       bool idle = true;
 
        ieee80211_iterate_active_interfaces_atomic(
                        mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
-                       iwl_mvm_assoc_iter, &assoc);
+                       iwl_mvm_idle_iter, &idle);
 
-       return assoc;
+       return idle;
 }