diff options
| author | David Spinadel <david.spinadel@intel.com> | 2014-04-24 14:15:29 +0400 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-05-06 22:56:37 +0400 |
| commit | bd5e4744a6ca64299b57a2682c720d00a475a734 (patch) | |
| tree | 424ca23cb20ac8fbf6e8f3a71e77dc1bbcc28a88 /drivers/net | |
| parent | 8e96440e8d42da0dab02cae125ea59e2b64c77fe (diff) | |
| download | linux-bd5e4744a6ca64299b57a2682c720d00a475a734.tar.xz | |
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>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mvm.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/utils.c | 19 |
3 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index f0cebf12c7b8..593f723a74c4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -1807,6 +1807,11 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); + if (iwl_mvm_is_associated(mvm)) { + ret = -EBUSY; + goto out; + } + switch (mvm->scan_status) { case IWL_MVM_SCAN_OS: IWL_DEBUG_SCAN(mvm, "Stopping previous scan for sched_scan\n"); diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index d564233a65da..84c75a1b267e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -1003,6 +1003,9 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) return mvmvif->low_latency; } +/* Assoc status */ +bool iwl_mvm_is_associated(struct iwl_mvm *mvm); + /* Thermal management and CT-kill */ void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); void iwl_mvm_tt_handler(struct iwl_mvm *mvm); diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index d619851745a1..6fdbef9696d8 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -644,3 +644,22 @@ 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) +{ + bool *assoc = _data; + + if (vif->bss_conf.assoc) + *assoc = true; +} + +bool iwl_mvm_is_associated(struct iwl_mvm *mvm) +{ + bool assoc = false; + + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_assoc_iter, &assoc); + + return assoc; +} |