Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / net / wireless / iwlwifi / mvm / mac80211.c

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index f19baf0..785c782 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -153,7 +153,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
                    IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
                    IEEE80211_HW_AMPDU_AGGREGATION |
                    IEEE80211_HW_TIMING_BEACON_ONLY |
-                   IEEE80211_HW_CONNECTION_MONITOR;
+                   IEEE80211_HW_CONNECTION_MONITOR |
+                   IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
+                   IEEE80211_HW_SUPPORTS_STATIC_SMPS;
 
        hw->queues = IWL_MVM_FIRST_AGG_QUEUE;
        hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
@@ -552,6 +554,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
                        goto out_release;
                }
 
+               iwl_mvm_vif_dbgfs_register(mvm, vif);
                goto out_unlock;
        }
 
@@ -567,7 +570,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 
        /* beacon filtering */
        if (!mvm->bf_allowed_vif &&
-           vif->type == NL80211_IFTYPE_STATION && !vif->p2p){
+           vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
+           mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED){
                mvm->bf_allowed_vif = mvmvif;
                vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
        }
@@ -719,6 +723,20 @@ out_release:
        mutex_unlock(&mvm->mutex);
 }
 
+static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+                               s8 tx_power)
+{
+       /* FW is in charge of regulatory enforcement */
+       struct iwl_reduce_tx_power_cmd reduce_txpwr_cmd = {
+               .mac_context_id = iwl_mvm_vif_from_mac80211(vif)->id,
+               .pwr_restriction = cpu_to_le16(tx_power),
+       };
+
+       return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, CMD_SYNC,
+                                   sizeof(reduce_txpwr_cmd),
+                                   &reduce_txpwr_cmd);
+}
+
 static int iwl_mvm_mac_config(struct ieee80211_hw *hw, u32 changed)
 {
        return 0;
@@ -766,7 +784,6 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
                                IWL_ERR(mvm, "failed to update quotas\n");
                                return;
                        }
-                       iwl_mvm_bt_coex_vif_assoc(mvm, vif);
                        iwl_mvm_configure_mcast_filter(mvm, vif);
                } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
                        /* remove AP station now that the MAC is unassoc */
@@ -779,9 +796,15 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
                        if (ret)
                                IWL_ERR(mvm, "failed to update quotas\n");
                }
-               ret = iwl_mvm_power_update_mode(mvm, vif);
-               if (ret)
-                       IWL_ERR(mvm, "failed to update power mode\n");
+               if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD)) {
+                       /* Workaround for FW bug, otherwise FW disables device
+                        * power save upon disassociation
+                        */
+                       ret = iwl_mvm_power_update_mode(mvm, vif);
+                       if (ret)
+                               IWL_ERR(mvm, "failed to update power mode\n");
+               }
+               iwl_mvm_bt_coex_vif_assoc(mvm, vif);
        } else if (changes & BSS_CHANGED_BEACON_INFO) {
                /*
                 * We received a beacon _after_ association so
@@ -794,6 +817,11 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
                if (ret)
                        IWL_ERR(mvm, "failed to update power mode\n");
        }
+       if (changes & BSS_CHANGED_TXPOWER) {
+               IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n",
+                               bss_conf->txpower);
+               iwl_mvm_set_tx_power(mvm, vif, bss_conf->txpower);
+       }
 }
 
 static int iwl_mvm_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif)