Merge wireless into wireless-next

There are a number of upcoming things in both the stack and
drivers that would otherwise conflict, so merge wireless to
wireless-next to be able to avoid those conflicts.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

7 files changed, 72 insertions, 21 deletions

diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
index 02cd19ee6e4c..09bcc2345bb0 100644
--- a/drivers/net/wireless/realtek/rtw88/mac80211.c
+++ b/drivers/net/wireless/realtek/rtw88/mac80211.c
@@ -88,15 +88,6 @@ static int rtw_ops_config(struct ieee80211_hw *hw, u32 changed)
 		}
 	}
 
-	if (changed & IEEE80211_CONF_CHANGE_PS) {
-		if (hw->conf.flags & IEEE80211_CONF_PS) {
-			rtwdev->ps_enabled = true;
-		} else {
-			rtwdev->ps_enabled = false;
-			rtw_leave_lps(rtwdev);
-		}
-	}
-
 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL)
 		rtw_set_channel(rtwdev);
 
@@ -215,6 +206,7 @@ static int rtw_ops_add_interface(struct ieee80211_hw *hw,
 	config |= PORT_SET_BCN_CTRL;
 	rtw_vif_port_config(rtwdev, rtwvif, config);
 	rtw_core_port_switch(rtwdev, vif);
+	rtw_recalc_lps(rtwdev, vif);
 
 	mutex_unlock(&rtwdev->mutex);
 
@@ -246,6 +238,7 @@ static void rtw_ops_remove_interface(struct ieee80211_hw *hw,
 	config |= PORT_SET_BCN_CTRL;
 	rtw_vif_port_config(rtwdev, rtwvif, config);
 	clear_bit(rtwvif->port, rtwdev->hw_port);
+	rtw_recalc_lps(rtwdev, NULL);
 
 	mutex_unlock(&rtwdev->mutex);
 }
@@ -440,6 +433,9 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
 	if (changed & BSS_CHANGED_ERP_SLOT)
 		rtw_conf_tx(rtwdev, rtwvif);
 
+	if (changed & BSS_CHANGED_PS)
+		rtw_recalc_lps(rtwdev, NULL);
+
 	rtw_vif_port_config(rtwdev, rtwvif, config);
 
 	mutex_unlock(&rtwdev->mutex);
@@ -920,7 +916,7 @@ static void rtw_ops_sta_rc_update(struct ieee80211_hw *hw,
 	struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
 
 	if (changed & IEEE80211_RC_BW_CHANGED)
-		rtw_update_sta_info(rtwdev, si, true);
+		ieee80211_queue_work(rtwdev->hw, &si->rc_work);
 }
 
 const struct ieee80211_ops rtw_ops = {
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 5bf6b4581557..9447a3aae3b5 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -271,8 +271,8 @@ static void rtw_watch_dog_work(struct work_struct *work)
 	 * more than two stations associated to the AP, then we can not enter
 	 * lps, because fw does not handle the overlapped beacon interval
 	 *
-	 * mac80211 should iterate vifs and determine if driver can enter
-	 * ps by passing IEEE80211_CONF_PS to us, all we need to do is to
+	 * rtw_recalc_lps() iterate vifs and determine if driver can enter
+	 * ps by vif->type and vif->cfg.ps, all we need to do here is to
 	 * get that vif and check if device is having traffic more than the
 	 * threshold.
 	 */
@@ -319,6 +319,17 @@ static u8 rtw_acquire_macid(struct rtw_dev *rtwdev)
 	return mac_id;
 }
 
+static void rtw_sta_rc_work(struct work_struct *work)
+{
+	struct rtw_sta_info *si = container_of(work, struct rtw_sta_info,
+					       rc_work);
+	struct rtw_dev *rtwdev = si->rtwdev;
+
+	mutex_lock(&rtwdev->mutex);
+	rtw_update_sta_info(rtwdev, si, true);
+	mutex_unlock(&rtwdev->mutex);
+}
+
 int rtw_sta_add(struct rtw_dev *rtwdev, struct ieee80211_sta *sta,
 		struct ieee80211_vif *vif)
 {
@@ -329,12 +340,14 @@ int rtw_sta_add(struct rtw_dev *rtwdev, struct ieee80211_sta *sta,
 	if (si->mac_id >= RTW_MAX_MAC_ID_NUM)
 		return -ENOSPC;
 
+	si->rtwdev = rtwdev;
 	si->sta = sta;
 	si->vif = vif;
 	si->init_ra_lv = 1;
 	ewma_rssi_init(&si->avg_rssi);
 	for (i = 0; i < ARRAY_SIZE(sta->txq); i++)
 		rtw_txq_init(rtwdev, sta->txq[i]);
+	INIT_WORK(&si->rc_work, rtw_sta_rc_work);
 
 	rtw_update_sta_info(rtwdev, si, true);
 	rtw_fw_media_status_report(rtwdev, si->mac_id, true);
@@ -353,6 +366,8 @@ void rtw_sta_remove(struct rtw_dev *rtwdev, struct ieee80211_sta *sta,
 	struct rtw_sta_info *si = (struct rtw_sta_info *)sta->drv_priv;
 	int i;
 
+	cancel_work_sync(&si->rc_work);
+
 	rtw_release_macid(rtwdev, si->mac_id);
 	if (fw_exist)
 		rtw_fw_media_status_report(rtwdev, si->mac_id, false);
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index a563285e90ed..9e841f6991a9 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -743,6 +743,7 @@ struct rtw_txq {
 DECLARE_EWMA(rssi, 10, 16);
 
 struct rtw_sta_info {
+	struct rtw_dev *rtwdev;
 	struct ieee80211_sta *sta;
 	struct ieee80211_vif *vif;
 
@@ -767,6 +768,8 @@ struct rtw_sta_info {
 
 	bool use_cfg_mask;
 	struct cfg80211_bitrate_mask *mask;
+
+	struct work_struct rc_work;
 };
 
 enum rtw_bfee_role {
diff --git a/drivers/net/wireless/realtek/rtw88/ps.c b/drivers/net/wireless/realtek/rtw88/ps.c
index 996365575f44..53933fb38a33 100644
--- a/drivers/net/wireless/realtek/rtw88/ps.c
+++ b/drivers/net/wireless/realtek/rtw88/ps.c
@@ -299,3 +299,46 @@ void rtw_leave_lps_deep(struct rtw_dev *rtwdev)
 
 	__rtw_leave_lps_deep(rtwdev);
 }
+
+struct rtw_vif_recalc_lps_iter_data {
+	struct rtw_dev *rtwdev;
+	struct ieee80211_vif *found_vif;
+	int count;
+};
+
+static void __rtw_vif_recalc_lps(struct rtw_vif_recalc_lps_iter_data *data,
+				 struct ieee80211_vif *vif)
+{
+	if (data->count < 0)
+		return;
+
+	if (vif->type != NL80211_IFTYPE_STATION) {
+		data->count = -1;
+		return;
+	}
+
+	data->count++;
+	data->found_vif = vif;
+}
+
+static void rtw_vif_recalc_lps_iter(void *data, u8 *mac,
+				    struct ieee80211_vif *vif)
+{
+	__rtw_vif_recalc_lps(data, vif);
+}
+
+void rtw_recalc_lps(struct rtw_dev *rtwdev, struct ieee80211_vif *new_vif)
+{
+	struct rtw_vif_recalc_lps_iter_data data = { .rtwdev = rtwdev };
+
+	if (new_vif)
+		__rtw_vif_recalc_lps(&data, new_vif);
+	rtw_iterate_vifs(rtwdev, rtw_vif_recalc_lps_iter, &data);
+
+	if (data.count == 1 && data.found_vif->cfg.ps) {
+		rtwdev->ps_enabled = true;
+	} else {
+		rtwdev->ps_enabled = false;
+		rtw_leave_lps(rtwdev);
+	}
+}
diff --git a/drivers/net/wireless/realtek/rtw88/ps.h b/drivers/net/wireless/realtek/rtw88/ps.h
index c194386f6db5..5ae83d2526cf 100644
--- a/drivers/net/wireless/realtek/rtw88/ps.h
+++ b/drivers/net/wireless/realtek/rtw88/ps.h
@@ -23,4 +23,6 @@ void rtw_enter_lps(struct rtw_dev *rtwdev, u8 port_id);
 void rtw_leave_lps(struct rtw_dev *rtwdev);
 void rtw_leave_lps_deep(struct rtw_dev *rtwdev);
 enum rtw_lps_deep_mode rtw_get_lps_deep_mode(struct rtw_dev *rtwdev);
+void rtw_recalc_lps(struct rtw_dev *rtwdev, struct ieee80211_vif *new_vif);
+
 #endif
diff --git a/drivers/net/wireless/realtek/rtw88/sdio.c b/drivers/net/wireless/realtek/rtw88/sdio.c
index e734feb806db..2c1fb2dabd40 100644
--- a/drivers/net/wireless/realtek/rtw88/sdio.c
+++ b/drivers/net/wireless/realtek/rtw88/sdio.c
@@ -87,11 +87,6 @@ static void rtw_sdio_writew(struct rtw_dev *rtwdev, u16 val, u32 addr,
 	u8 buf[2];
 	int i;
 
-	if (rtw_sdio_use_memcpy_io(rtwdev, addr, 2)) {
-		sdio_writew(rtwsdio->sdio_func, val, addr, err_ret);
-		return;
-	}
-
 	*(__le16 *)buf = cpu_to_le16(val);
 
 	for (i = 0; i < 2; i++) {
@@ -125,9 +120,6 @@ static u16 rtw_sdio_readw(struct rtw_dev *rtwdev, u32 addr, int *err_ret)
 	u8 buf[2];
 	int i;
 
-	if (rtw_sdio_use_memcpy_io(rtwdev, addr, 2))
-		return sdio_readw(rtwsdio->sdio_func, addr, err_ret);
-
 	for (i = 0; i < 2; i++) {
 		buf[i] = sdio_readb(rtwsdio->sdio_func, addr + i, err_ret);
 		if (*err_ret)
diff --git a/drivers/net/wireless/realtek/rtw88/usb.h b/drivers/net/wireless/realtek/rtw88/usb.h
index 30647f0dd61c..ad1d7955c6a5 100644
--- a/drivers/net/wireless/realtek/rtw88/usb.h
+++ b/drivers/net/wireless/realtek/rtw88/usb.h
@@ -78,7 +78,7 @@ struct rtw_usb {
 	u8 pipe_interrupt;
 	u8 pipe_in;
 	u8 out_ep[RTW_USB_EP_MAX];
-	u8 qsel_to_ep[TX_DESC_QSEL_MAX];
+	int qsel_to_ep[TX_DESC_QSEL_MAX];
 	u8 usb_txagg_num;
 
 	struct workqueue_struct *txwq, *rxwq;