iwlwifi: mvm: align CSA GO NOA time event naming with the firmware

The time event used for CSA GO will also be used by CSA client.
Rename the symbols to something more generic and aligned with the
firmware code.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/fw-api.h

@@ -554,7 +554,7 @@ enum iwl_time_event_type {
 	TE_WIDI_TX_SYNC,
 
 	/* Channel Switch NoA */
-	TE_P2P_GO_CSA_NOA,
+	TE_CHANNEL_SWITCH_PERIOD,
 
 	TE_MAX
 }; /* MAC_EVENT_TYPE_API_E_VER_1 */

drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c

@@ -1234,13 +1234,13 @@ static void iwl_mvm_csa_count_down(struct iwl_mvm *mvm,
 		    !iwl_mvm_te_scheduled(&mvmvif->time_event_data) && gp2) {
 			u32 rel_time = (c + 1) *
 				       csa_vif->bss_conf.beacon_int -
-				       IWL_MVM_CHANNEL_SWITCH_TIME;
+				       IWL_MVM_CHANNEL_SWITCH_TIME_GO;
 			u32 apply_time = gp2 + rel_time * 1024;
 
-			iwl_mvm_schedule_csa_noa(mvm, csa_vif,
-						 IWL_MVM_CHANNEL_SWITCH_TIME -
-						 IWL_MVM_CHANNEL_SWITCH_MARGIN,
-						 apply_time);
+			iwl_mvm_schedule_csa_period(mvm, csa_vif,
+					 IWL_MVM_CHANNEL_SWITCH_TIME_GO -
+					 IWL_MVM_CHANNEL_SWITCH_MARGIN,
+					 apply_time);
 		}
 	} else if (!iwl_mvm_te_scheduled(&mvmvif->time_event_data)) {
 		/* we don't have CSA NoA scheduled yet, switch now */

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

@@ -87,11 +87,11 @@
 /* A TimeUnit is 1024 microsecond */
 #define MSEC_TO_TU(_msec)	(_msec*1000/1024)
 
-/*
- * The CSA NoA is scheduled IWL_MVM_CHANNEL_SWITCH_TIME TUs before "beacon 0"
- * TBTT. This value should be big enough to ensure that we switch in time.
+/* This value represents the number of TUs before CSA "beacon 0" TBTT
+ * when the CSA time-event needs to be scheduled to start.  It must be
+ * big enough to ensure that we switch in time.
  */
-#define IWL_MVM_CHANNEL_SWITCH_TIME 40
+#define IWL_MVM_CHANNEL_SWITCH_TIME_GO		40
 
 /*
  * This value (in TUs) is used to fine tune the CSA NoA end time which should

drivers/net/wireless/iwlwifi/mvm/time-event.c

@@ -700,9 +700,9 @@ void iwl_mvm_stop_p2p_roc(struct iwl_mvm *mvm)
 	iwl_mvm_roc_finished(mvm);
 }
 
-int iwl_mvm_schedule_csa_noa(struct iwl_mvm *mvm,
-			      struct ieee80211_vif *vif,
-			      u32 duration, u32 apply_time)
+int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm,
+				struct ieee80211_vif *vif,
+				u32 duration, u32 apply_time)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data;
@@ -711,14 +711,14 @@ int iwl_mvm_schedule_csa_noa(struct iwl_mvm *mvm,
 	lockdep_assert_held(&mvm->mutex);
 
 	if (te_data->running) {
-		IWL_DEBUG_TE(mvm, "CS NOA is already scheduled\n");
+		IWL_DEBUG_TE(mvm, "CS period is already scheduled\n");
 		return -EBUSY;
 	}
 
 	time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD);
 	time_cmd.id_and_color =
 		cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color));
-	time_cmd.id = cpu_to_le32(TE_P2P_GO_CSA_NOA);
+	time_cmd.id = cpu_to_le32(TE_CHANNEL_SWITCH_PERIOD);
 	time_cmd.apply_time = cpu_to_le32(apply_time);
 	time_cmd.max_frags = TE_V2_FRAG_NONE;
 	time_cmd.duration = cpu_to_le32(duration);

drivers/net/wireless/iwlwifi/mvm/time-event.h

@@ -219,7 +219,7 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm,
 void iwl_mvm_roc_done_wk(struct work_struct *wk);
 
 /**
- * iwl_mvm_schedule_csa_noa - request NoA for channel switch
+ * iwl_mvm_schedule_csa_period - request channel switch absence period
  * @mvm: the mvm component
  * @vif: the virtual interface for which the channel switch is issued
  * @duration: the duration of the NoA in TU.
@@ -228,9 +228,9 @@ void iwl_mvm_roc_done_wk(struct work_struct *wk);
  * This function is used to schedule NoA time event and is used to perform
  * the channel switch flow.
  */
-int iwl_mvm_schedule_csa_noa(struct iwl_mvm *mvm,
-			     struct ieee80211_vif *vif,
-			     u32 duration, u32 apply_time);
+int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm,
+				struct ieee80211_vif *vif,
+				u32 duration, u32 apply_time);
 
 /**
  * iwl_mvm_te_scheduled - check if the fw received the TE cmd