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iwlwifi: mvm: inform mac80211 about umac scans that was aborted by restart 

In nic restart flow we inform mac80211 that scan was aborted, but it was
based only on scan_status which is not set by UMAC scan. Fix that.

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>
This commit is contained in:
David Spinadel 2015-03-10 10:06:02 +02:00 committed by Emmanuel Grumbach
parent 939e4904e0
commit 4ffb36505c
3 changed files with 34 additions and 12 deletions
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1
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -1149,6 +1149,7 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
int iwl_mvm_scan_size(struct iwl_mvm *mvm);
int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
/* Scheduled scan */
int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,

13
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@ -894,18 +894,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
* the next start() call from mac80211. If restart isn't called
* (no fw restart) scan status will stay busy.
*/
switch (mvm->scan_status) {
case IWL_MVM_SCAN_NONE:
break;
case IWL_MVM_SCAN_OS:
ieee80211_scan_completed(mvm->hw, true);
break;
case IWL_MVM_SCAN_SCHED:
/* Sched scan will be restarted by mac80211 in restart_hw. */
if (!mvm->restart_fw)
ieee80211_sched_scan_stopped(mvm->hw);
break;
}
iwl_mvm_report_scan_aborted(mvm);
/*
* If we're restarting already, don't cycle restarts.

32
drivers/net/wireless/iwlwifi/mvm/scan.c
View File

@ -1613,3 +1613,35 @@ int iwl_mvm_scan_size(struct iwl_mvm *mvm)
mvm->fw->ucode_capa.n_scan_channels +
sizeof(struct iwl_scan_probe_req);
}
/*
* This function is used in nic restart flow, to inform mac80211 about scans
* that was aborted by restart flow or by an assert.
*/
void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm)
{
if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
if (iwl_mvm_find_scan_type(mvm, IWL_UMAC_SCAN_UID_REG_SCAN))
ieee80211_scan_completed(mvm->hw, true);
if (iwl_mvm_find_scan_type(mvm, IWL_UMAC_SCAN_UID_SCHED_SCAN) &&
!mvm->restart_fw)
ieee80211_sched_scan_stopped(mvm->hw);
} else {
switch (mvm->scan_status) {
case IWL_MVM_SCAN_NONE:
break;
case IWL_MVM_SCAN_OS:
ieee80211_scan_completed(mvm->hw, true);
break;
case IWL_MVM_SCAN_SCHED:
/*
* Sched scan will be restarted by mac80211 in
* restart_hw, so do not report if FW is about to be
* restarted.
*/
if (!mvm->restart_fw)
ieee80211_sched_scan_stopped(mvm->hw);
break;
}
}
}