iwlwifi: mvm: align CSA GO NOA time event naming with the firmware
authorLuciano Coelho <luciano.coelho@intel.com>
Tue, 26 Aug 2014 13:14:10 +0000 (16:14 +0300)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Sun, 14 Sep 2014 19:02:24 +0000 (22:02 +0300)
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
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
drivers/net/wireless/iwlwifi/mvm/mvm.h
drivers/net/wireless/iwlwifi/mvm/time-event.c
drivers/net/wireless/iwlwifi/mvm/time-event.h

index fbcc036..a2c6628 100644 (file)
@@ -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 */
index 158aed5..8342671 100644 (file)
@@ -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 */
index efdafa1..5529958 100644 (file)
 /* 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
index 447d3b1..b7f9e61 100644 (file)
@@ -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);
index bee3b24..b350e47 100644 (file)
@@ -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