1 files changed, 82 insertions, 55 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index b15b0d84bb7e..505b0385d800 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -19,11 +19,6 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
  * The full GNU General Public License is included in this distribution
  * in the file called COPYING.
  *
@@ -559,8 +554,6 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 
 	hw->wiphy->max_remain_on_channel_duration = 10000;
 	hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
-	/* we can compensate an offset of up to 3 channels = 15 MHz */
-	hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
 
 	/* Extract MAC address */
 	memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
@@ -864,16 +857,13 @@ iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	struct iwl_fw_dbg_trigger_tlv *trig;
 	struct iwl_fw_dbg_trigger_ba *ba_trig;
 
-	if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
+	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+				     FW_DBG_TRIGGER_BA);
+	if (!trig)
 		return;
 
-	trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
 	ba_trig = (void *)trig->data;
 
-	if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
-					   ieee80211_vif_to_wdev(vif), trig))
-		return;
-
 	switch (action) {
 	case IEEE80211_AMPDU_TX_OPERATIONAL: {
 		struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
@@ -1035,6 +1025,7 @@ static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
 
 	mvmvif->phy_ctxt = NULL;
 	memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
+	memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data));
 }
 
 static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
@@ -1124,7 +1115,9 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
 		 * would do.
 		 */
 		clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
+#ifdef CONFIG_PM
 		iwl_mvm_d0i3_enable_tx(mvm, NULL);
+#endif
 	}
 
 	return ret;
@@ -1162,7 +1155,9 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
 	mutex_lock(&mvm->mutex);
 
 	clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
+#ifdef CONFIG_PM
 	iwl_mvm_d0i3_enable_tx(mvm, NULL);
+#endif
 	ret = iwl_mvm_update_quotas(mvm, true, NULL);
 	if (ret)
 		IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
@@ -1233,12 +1228,15 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
 	iwl_mvm_del_aux_sta(mvm);
 
 	/*
-	 * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
-	 * won't be called in this case).
+	 * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
+	 * hw (as restart_complete() won't be called in this case) and mac80211
+	 * won't execute the restart.
 	 * But make sure to cleanup interfaces that have gone down before/during
 	 * HW restart was requested.
 	 */
-	if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
+	if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
+	    test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
+			       &mvm->status))
 		ieee80211_iterate_interfaces(mvm->hw, 0,
 					     iwl_mvm_cleanup_iterator, mvm);
 
@@ -1308,19 +1306,28 @@ static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
 static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 				s16 tx_power)
 {
-	struct iwl_dev_tx_power_cmd cmd = {
-		.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
-		.v3.mac_context_id =
+	int len;
+	union {
+		struct iwl_dev_tx_power_cmd v5;
+		struct iwl_dev_tx_power_cmd_v4 v4;
+	} cmd = {
+		.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
+		.v5.v3.mac_context_id =
 			cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
-		.v3.pwr_restriction = cpu_to_le16(8 * tx_power),
+		.v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power),
 	};
-	int len = sizeof(cmd);
 
 	if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
-		cmd.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
+		cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
 
-	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
-		len = sizeof(cmd.v3);
+	if (fw_has_api(&mvm->fw->ucode_capa,
+		       IWL_UCODE_TLV_API_REDUCE_TX_POWER))
+		len = sizeof(cmd.v5);
+	else if (fw_has_capa(&mvm->fw->ucode_capa,
+			     IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
+		len = sizeof(cmd.v4);
+	else
+		len = sizeof(cmd.v4.v3);
 
 	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 }
@@ -1333,6 +1340,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 	int ret;
 
 	mvmvif->mvm = mvm;
+	RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL);
 
 	/*
 	 * make sure D0i3 exit is completed, otherwise a target access
@@ -1497,6 +1505,7 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
 {
 	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_probe_resp_data *probe_data;
 
 	iwl_mvm_prepare_mac_removal(mvm, vif);
 
@@ -1506,6 +1515,12 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
 
 	mutex_lock(&mvm->mutex);
 
+	probe_data = rcu_dereference_protected(mvmvif->probe_resp_data,
+					       lockdep_is_held(&mvm->mutex));
+	RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL);
+	if (probe_data)
+		kfree_rcu(probe_data, rcu_head);
+
 	if (mvm->bf_allowed_vif == mvmvif) {
 		mvm->bf_allowed_vif = NULL;
 		vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
@@ -1978,10 +1993,6 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
 			sta_ctxt_cmd.htc_flags |=
 				cpu_to_le32(IWL_HE_HTC_LINK_ADAP_BOTH);
 	}
-	if (sta->he_cap.he_cap_elem.mac_cap_info[2] &
-	    IEEE80211_HE_MAC_CAP2_UL_MU_RESP_SCHED)
-		sta_ctxt_cmd.htc_flags |=
-			cpu_to_le32(IWL_HE_HTC_UL_MU_RESP_SCHED);
 	if (sta->he_cap.he_cap_elem.mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
 		sta_ctxt_cmd.htc_flags |= cpu_to_le32(IWL_HE_HTC_BSR_SUPP);
 	if (sta->he_cap.he_cap_elem.mac_cap_info[3] &
@@ -2459,6 +2470,9 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
 
 	iwl_mvm_mac_ctxt_remove(mvm, vif);
 
+	kfree(mvmvif->ap_wep_key);
+	mvmvif->ap_wep_key = NULL;
+
 	mutex_unlock(&mvm->mutex);
 }
 
@@ -2788,14 +2802,12 @@ iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
 	struct iwl_fw_dbg_trigger_tlv *trig;
 	struct iwl_fw_dbg_trigger_tdls *tdls_trig;
 
-	if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
+	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+				     FW_DBG_TRIGGER_TDLS);
+	if (!trig)
 		return;
 
-	trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
 	tdls_trig = (void *)trig->data;
-	if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
-					   ieee80211_vif_to_wdev(vif), trig))
-		return;
 
 	if (!(tdls_trig->action_bitmap & BIT(action)))
 		return;
@@ -2931,7 +2943,8 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
 			iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
 		}
 
-		iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band);
+		iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
+				     false);
 		ret = iwl_mvm_update_sta(mvm, vif, sta);
 	} else if (old_state == IEEE80211_STA_ASSOC &&
 		   new_state == IEEE80211_STA_AUTHORIZED) {
@@ -2947,9 +2960,16 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
 		/* enable beacon filtering */
 		WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
 
-		iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band);
+		iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
+				     true);
 
-		ret = 0;
+		/* if wep is used, need to set the key for the station now */
+		if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key)
+			ret = iwl_mvm_set_sta_key(mvm, vif, sta,
+						  mvmvif->ap_wep_key,
+						  STA_KEY_IDX_INVALID);
+		else
+			ret = 0;
 	} else if (old_state == IEEE80211_STA_AUTHORIZED &&
 		   new_state == IEEE80211_STA_ASSOC) {
 		/* disable beacon filtering */
@@ -3132,8 +3152,15 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 
 	switch (key->cipher) {
 	case WLAN_CIPHER_SUITE_TKIP:
-		key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
-		key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
+		if (!mvm->trans->cfg->gen2) {
+			key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+			key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
+		} else if (vif->type == NL80211_IFTYPE_STATION) {
+			key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE;
+		} else {
+			IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n");
+			return -EOPNOTSUPP;
+		}
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
 	case WLAN_CIPHER_SUITE_GCMP:
@@ -3148,13 +3175,17 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
 		break;
 	case WLAN_CIPHER_SUITE_WEP40:
 	case WLAN_CIPHER_SUITE_WEP104:
-		/* For non-client mode, only use WEP keys for TX as we probably
-		 * don't have a station yet anyway and would then have to keep
-		 * track of the keys, linking them to each of the clients/peers
-		 * as they appear. For now, don't do that, for performance WEP
-		 * offload doesn't really matter much, but we need it for some
-		 * other offload features in client mode.
-		 */
+		if (vif->type == NL80211_IFTYPE_AP) {
+			struct iwl_mvm_vif *mvmvif =
+				iwl_mvm_vif_from_mac80211(vif);
+
+			mvmvif->ap_wep_key = kmemdup(key,
+						     sizeof(*key) + key->keylen,
+						     GFP_KERNEL);
+			if (!mvmvif->ap_wep_key)
+				return -ENOMEM;
+		}
+
 		if (vif->type != NL80211_IFTYPE_STATION)
 			return 0;
 		break;
@@ -4458,14 +4489,12 @@ static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
 	struct iwl_fw_dbg_trigger_tlv *trig;
 	struct iwl_fw_dbg_trigger_mlme *trig_mlme;
 
-	if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
+	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+				     FW_DBG_TRIGGER_MLME);
+	if (!trig)
 		return;
 
-	trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
 	trig_mlme = (void *)trig->data;
-	if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
-					   ieee80211_vif_to_wdev(vif), trig))
-		return;
 
 	if (event->u.mlme.data == ASSOC_EVENT) {
 		if (event->u.mlme.status == MLME_DENIED)
@@ -4500,14 +4529,12 @@ static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
 	struct iwl_fw_dbg_trigger_tlv *trig;
 	struct iwl_fw_dbg_trigger_ba *ba_trig;
 
-	if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
+	trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+				     FW_DBG_TRIGGER_BA);
+	if (!trig)
 		return;
 
-	trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
 	ba_trig = (void *)trig->data;
-	if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
-					   ieee80211_vif_to_wdev(vif), trig))
-		return;
 
 	if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
 		return;