iwlwifi: mvm: spin off a function to start scan offload

The net-detect feature will require a scan offload to be started in
the same way it is done now for scheduled scan.  Spin a new function
off of the sched_scan_start op code for reuse.  Additionally,
restructure the function a bit for more readability.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/mac80211.c

@@ -2170,24 +2170,8 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
 
 	mvm->scan_status = IWL_MVM_SCAN_SCHED;
 
-	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
-		ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
+	ret = iwl_mvm_scan_offload_start(mvm, vif, req, ies);
 	if (ret)
-			goto err;
-	}
-
-	ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
-	if (ret)
-		goto err;
-
-	if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
-		ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies);
-	else
-		ret = iwl_mvm_sched_scan_start(mvm, req);
-
-	if (!ret)
-		goto out;
-err:
 		mvm->scan_status = IWL_MVM_SCAN_NONE;
 out:
 	mutex_unlock(&mvm->mutex);

drivers/net/wireless/iwlwifi/mvm/mvm.h

@@ -949,6 +949,10 @@ int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 				       struct cfg80211_sched_scan_request *req);
 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 			     struct cfg80211_sched_scan_request *req);
+int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
+			       struct ieee80211_vif *vif,
+			       struct cfg80211_sched_scan_request *req,
+			       struct ieee80211_scan_ies *ies);
 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
 				    struct iwl_rx_cmd_buffer *rxb,

drivers/net/wireless/iwlwifi/mvm/scan.c

@@ -1007,6 +1007,31 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 				    sizeof(scan_req), &scan_req);
 }
 
+int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
+			       struct ieee80211_vif *vif,
+			       struct cfg80211_sched_scan_request *req,
+			       struct ieee80211_scan_ies *ies)
+{
+	int ret;
+
+	if ((mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) {
+		ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
+		if (ret)
+			return ret;
+		ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies);
+	} else {
+		ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies);
+		if (ret)
+			return ret;
+		ret = iwl_mvm_config_sched_scan_profiles(mvm, req);
+		if (ret)
+			return ret;
+		ret = iwl_mvm_sched_scan_start(mvm, req);
+	}
+
+	return ret;
+}
+
 static int iwl_mvm_send_scan_offload_abort(struct iwl_mvm *mvm)
 {
 	int ret;