Merge tag 'wireless-drivers-next-2019-11-22' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.5

Last set of patches for v5.5. Major features here 802.11ax support for
qtnfmac and airtime fairness support to mt76. And naturally smaller
fixes and improvements all over.

Major changes:

qtnfmac

* add 802.11ax support in AP mode

* enable offload bridging support

iwlwifi

* support TX/RX antennas reporting

mt76

* mt7615 smart carrier sense support

* aggregation statistics via debugfs

* airtime fairness (ATF) support

* mt76x0 OF mac address support
====================

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>

1 files changed, 61 insertions, 52 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 8aec7ccf2d79..fb077760347a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -49,8 +49,8 @@ struct mt76_bus_ops {
 	enum mt76_bus_type type;
 };
 
-#define mt76_is_usb(dev) ((dev)->mt76.bus->type == MT76_BUS_USB)
-#define mt76_is_mmio(dev) ((dev)->mt76.bus->type == MT76_BUS_MMIO)
+#define mt76_is_usb(dev) ((dev)->bus->type == MT76_BUS_USB)
+#define mt76_is_mmio(dev) ((dev)->bus->type == MT76_BUS_MMIO)
 
 enum mt76_txq_id {
 	MT_TXQ_VO = IEEE80211_AC_VO,
@@ -152,10 +152,6 @@ struct mt76_queue_ops {
 		     int idx, int n_desc, int bufsize,
 		     u32 ring_base);
 
-	int (*add_buf)(struct mt76_dev *dev, struct mt76_queue *q,
-		       struct mt76_queue_buf *buf, int nbufs, u32 info,
-		       struct sk_buff *skb, void *txwi);
-
 	int (*tx_queue_skb)(struct mt76_dev *dev, enum mt76_txq_id qid,
 			    struct sk_buff *skb, struct mt76_wcid *wcid,
 			    struct ieee80211_sta *sta);
@@ -191,8 +187,6 @@ DECLARE_EWMA(signal, 10, 8);
 struct mt76_wcid {
 	struct mt76_rx_tid __rcu *aggr[IEEE80211_NUM_TIDS];
 
-	struct work_struct aggr_work;
-
 	unsigned long flags;
 
 	struct ewma_signal rssi;
@@ -282,11 +276,13 @@ struct mt76_hw_cap {
 	bool has_5ghz;
 };
 
-#define MT_TXWI_NO_FREE			BIT(0)
+#define MT_DRV_TXWI_NO_FREE		BIT(0)
+#define MT_DRV_TX_ALIGNED4_SKBS		BIT(1)
+#define MT_DRV_SW_RX_AIRTIME		BIT(2)
 
 struct mt76_driver_ops {
-	bool tx_aligned4_skbs;
-	u32 txwi_flags;
+	u32 drv_flags;
+	u32 survey_flags;
 	u16 txwi_size;
 
 	void (*update_survey)(struct mt76_dev *dev);
@@ -322,6 +318,9 @@ struct mt76_driver_ops {
 struct mt76_channel_state {
 	u64 cc_active;
 	u64 cc_busy;
+	u64 cc_rx;
+	u64 cc_bss_rx;
+	u64 cc_tx;
 };
 
 struct mt76_sband {
@@ -367,8 +366,8 @@ enum mt76u_in_ep {
 
 enum mt76u_out_ep {
 	MT_EP_OUT_INBAND_CMD,
-	MT_EP_OUT_AC_BK,
 	MT_EP_OUT_AC_BE,
+	MT_EP_OUT_AC_BK,
 	MT_EP_OUT_AC_VI,
 	MT_EP_OUT_AC_VO,
 	MT_EP_OUT_HCCA,
@@ -388,7 +387,8 @@ struct mt76_usb {
 	};
 
 	struct tasklet_struct rx_tasklet;
-	struct delayed_work stat_work;
+	struct workqueue_struct *stat_wq;
+	struct work_struct stat_work;
 
 	u8 out_ep[__MT_EP_OUT_MAX];
 	u8 in_ep[__MT_EP_IN_MAX];
@@ -421,14 +421,49 @@ struct mt76_mmio {
 	u32 irqmask;
 };
 
+struct mt76_rx_status {
+	union {
+		struct mt76_wcid *wcid;
+		u8 wcid_idx;
+	};
+
+	unsigned long reorder_time;
+
+	u32 ampdu_ref;
+
+	u8 iv[6];
+
+	u8 aggr:1;
+	u8 tid;
+	u16 seqno;
+
+	u16 freq;
+	u32 flag;
+	u8 enc_flags;
+	u8 encoding:2, bw:3;
+	u8 rate_idx;
+	u8 nss;
+	u8 band;
+	s8 signal;
+	u8 chains;
+	s8 chain_signal[IEEE80211_MAX_CHAINS];
+};
+
 struct mt76_dev {
 	struct ieee80211_hw *hw;
 	struct cfg80211_chan_def chandef;
 	struct ieee80211_channel *main_chan;
 
+	struct mt76_channel_state *chan_state;
 	spinlock_t lock;
 	spinlock_t cc_lock;
 
+	u32 cur_cc_bss_rx;
+
+	struct mt76_rx_status rx_ampdu_status;
+	u32 rx_ampdu_len;
+	u32 rx_ampdu_ref;
+
 	struct mutex mutex;
 
 	const struct mt76_bus_ops *bus;
@@ -440,6 +475,7 @@ struct mt76_dev {
 	spinlock_t rx_lock;
 	struct napi_struct napi[__MT_RXQ_MAX];
 	struct sk_buff_head rx_skb[__MT_RXQ_MAX];
+	u32 ampdu_ref;
 
 	struct list_head txwi_cache;
 	struct mt76_sw_queue q_tx[__MT_TXQ_MAX];
@@ -463,6 +499,8 @@ struct mt76_dev {
 	u32 rev;
 	unsigned long state;
 
+	u32 aggr_stats[32];
+
 	u8 antenna_mask;
 	u16 chainmask;
 
@@ -509,29 +547,6 @@ enum mt76_phy_type {
 	MT_PHY_TYPE_VHT,
 };
 
-struct mt76_rx_status {
-	struct mt76_wcid *wcid;
-
-	unsigned long reorder_time;
-
-	u8 iv[6];
-
-	u8 aggr:1;
-	u8 tid;
-	u16 seqno;
-
-	u16 freq;
-	u32 flag;
-	u8 enc_flags;
-	u8 encoding:2, bw:3;
-	u8 rate_idx;
-	u8 nss;
-	u8 band;
-	s8 signal;
-	u8 chains;
-	s8 chain_signal[IEEE80211_MAX_CHAINS];
-};
-
 #define __mt76_rr(dev, ...)	(dev)->bus->rr((dev), __VA_ARGS__)
 #define __mt76_wr(dev, ...)	(dev)->bus->wr((dev), __VA_ARGS__)
 #define __mt76_rmw(dev, ...)	(dev)->bus->rmw((dev), __VA_ARGS__)
@@ -602,21 +617,6 @@ static inline u16 mt76_rev(struct mt76_dev *dev)
 #define mt76_queue_tx_cleanup(dev, ...)	(dev)->mt76.queue_ops->tx_cleanup(&((dev)->mt76), __VA_ARGS__)
 #define mt76_queue_kick(dev, ...)	(dev)->mt76.queue_ops->kick(&((dev)->mt76), __VA_ARGS__)
 
-static inline struct mt76_channel_state *
-mt76_channel_state(struct mt76_dev *dev, struct ieee80211_channel *c)
-{
-	struct mt76_sband *msband;
-	int idx;
-
-	if (c->band == NL80211_BAND_2GHZ)
-		msband = &dev->sband_2g;
-	else
-		msband = &dev->sband_5g;
-
-	idx = c - &msband->sband.channels[0];
-	return &msband->chan[idx];
-}
-
 struct mt76_dev *mt76_alloc_device(struct device *pdev, unsigned int size,
 				   const struct ieee80211_ops *ops,
 				   const struct mt76_driver_ops *drv_ops);
@@ -626,6 +626,7 @@ void mt76_unregister_device(struct mt76_dev *dev);
 void mt76_free_device(struct mt76_dev *dev);
 
 struct dentry *mt76_register_debugfs(struct mt76_dev *dev);
+int mt76_queues_read(struct seq_file *s, void *data);
 void mt76_seq_puts_array(struct seq_file *file, const char *str,
 			 s8 *val, int len);
 
@@ -718,6 +719,7 @@ void mt76_release_buffered_frames(struct ieee80211_hw *hw,
 				  bool more_data);
 bool mt76_has_tx_pending(struct mt76_dev *dev);
 void mt76_set_channel(struct mt76_dev *dev);
+void mt76_update_survey(struct mt76_dev *dev);
 int mt76_get_survey(struct ieee80211_hw *hw, int idx,
 		    struct survey_info *survey);
 void mt76_set_stream_caps(struct mt76_dev *dev, bool vht);
@@ -759,6 +761,7 @@ int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 void mt76_csa_check(struct mt76_dev *dev);
 void mt76_csa_finish(struct mt76_dev *dev);
 
+int mt76_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
 int mt76_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set);
 void mt76_insert_ccmp_hdr(struct sk_buff *skb, u8 key_id);
 int mt76_get_rate(struct mt76_dev *dev,
@@ -768,6 +771,8 @@ void mt76_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		  const u8 *mac);
 void mt76_sw_scan_complete(struct ieee80211_hw *hw,
 			   struct ieee80211_vif *vif);
+u32 mt76_calc_tx_airtime(struct mt76_dev *dev, struct ieee80211_tx_info *info,
+			 int len);
 
 /* internal */
 void mt76_tx_free(struct mt76_dev *dev);
@@ -778,6 +783,8 @@ void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
 void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
 			   struct napi_struct *napi);
 void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames);
+u32 mt76_calc_rx_airtime(struct mt76_dev *dev, struct mt76_rx_status *status,
+			 int len);
 
 /* usb */
 static inline bool mt76u_urb_error(struct urb *urb)
@@ -799,7 +806,8 @@ static inline int
 mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int *actual_len,
 	       int timeout)
 {
-	struct usb_device *udev = to_usb_device(dev->dev);
+	struct usb_interface *uintf = to_usb_interface(dev->dev);
+	struct usb_device *udev = interface_to_usbdev(uintf);
 	struct mt76_usb *usb = &dev->usb;
 	unsigned int pipe;
 
@@ -817,6 +825,7 @@ int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
 void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
 		     const u16 offset, const u32 val);
 int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf);
+void mt76u_deinit(struct mt76_dev *dev);
 int mt76u_alloc_queues(struct mt76_dev *dev);
 void mt76u_stop_tx(struct mt76_dev *dev);
 void mt76u_stop_rx(struct mt76_dev *dev);