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iwlwifi: mvm: prevent sched scan while not idle

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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 bd5e4744a6
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>
This commit is contained in:
David Spinadel 2014-05-13 14:29:36 +03:00 committed by Emmanuel Grumbach
parent 64793110ad
commit b538b8ce76
3 changed files with 10 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View file

@ -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;
}

2
drivers/net/wireless/iwlwifi/mvm/mvm.h
View file

@ -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);

16
drivers/net/wireless/iwlwifi/mvm/utils.c
View file

@ -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;
}