mt76: move tx beacon routines in mt76x02-lib module

Move mt76x02_tx beacon utility routines in mt76x02_mmio.c
in order to be reused by mt76x0 driver adding AP support
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x02.h

@@ -148,6 +148,8 @@ int mt76x02_tx_prepare_skb(struct mt76_dev *mdev, void *txwi,
 			   struct mt76_wcid *wcid, struct ieee80211_sta *sta,
 			   u32 *tx_info);
 
+void mt76x02_pre_tbtt_tasklet(unsigned long arg);
+
 extern const u16 mt76x02_beacon_offsets[16];
 void mt76x02_set_beacon_offsets(struct mt76x02_dev *dev);
 void mt76x02_set_irq_mask(struct mt76x02_dev *dev, u32 clear, u32 set);

drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c

@@ -21,6 +21,131 @@
 #include "mt76x02.h"
 #include "mt76x02_trace.h"
 
+struct beacon_bc_data {
+	struct mt76x02_dev *dev;
+	struct sk_buff_head q;
+	struct sk_buff *tail[8];
+};
+
+static void
+mt76x02_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+	struct mt76x02_dev *dev = (struct mt76x02_dev *)priv;
+	struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
+	struct sk_buff *skb = NULL;
+
+	if (!(dev->beacon_mask & BIT(mvif->idx)))
+		return;
+
+	skb = ieee80211_beacon_get(mt76_hw(dev), vif);
+	if (!skb)
+		return;
+
+	mt76x02_mac_set_beacon(dev, mvif->idx, skb);
+}
+
+static void
+mt76x02_add_buffered_bc(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+	struct beacon_bc_data *data = priv;
+	struct mt76x02_dev *dev = data->dev;
+	struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
+	struct ieee80211_tx_info *info;
+	struct sk_buff *skb;
+
+	if (!(dev->beacon_mask & BIT(mvif->idx)))
+		return;
+
+	skb = ieee80211_get_buffered_bc(mt76_hw(dev), vif);
+	if (!skb)
+		return;
+
+	info = IEEE80211_SKB_CB(skb);
+	info->control.vif = vif;
+	info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
+	mt76_skb_set_moredata(skb, true);
+	__skb_queue_tail(&data->q, skb);
+	data->tail[mvif->idx] = skb;
+}
+
+static void
+mt76x02_resync_beacon_timer(struct mt76x02_dev *dev)
+{
+	u32 timer_val = dev->beacon_int << 4;
+
+	dev->tbtt_count++;
+
+	/*
+	 * Beacon timer drifts by 1us every tick, the timer is configured
+	 * in 1/16 TU (64us) units.
+	 */
+	if (dev->tbtt_count < 62)
+		return;
+
+	if (dev->tbtt_count >= 64) {
+		dev->tbtt_count = 0;
+		return;
+	}
+
+	/*
+	 * The updated beacon interval takes effect after two TBTT, because
+	 * at this point the original interval has already been loaded into
+	 * the next TBTT_TIMER value
+	 */
+	if (dev->tbtt_count == 62)
+		timer_val -= 1;
+
+	mt76_rmw_field(dev, MT_BEACON_TIME_CFG,
+		       MT_BEACON_TIME_CFG_INTVAL, timer_val);
+}
+
+void mt76x02_pre_tbtt_tasklet(unsigned long arg)
+{
+	struct mt76x02_dev *dev = (struct mt76x02_dev *)arg;
+	struct mt76_queue *q = &dev->mt76.q_tx[MT_TXQ_PSD];
+	struct beacon_bc_data data = {};
+	struct sk_buff *skb;
+	int i, nframes;
+
+	mt76x02_resync_beacon_timer(dev);
+
+	data.dev = dev;
+	__skb_queue_head_init(&data.q);
+
+	ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
+		IEEE80211_IFACE_ITER_RESUME_ALL,
+		mt76x02_update_beacon_iter, dev);
+
+	do {
+		nframes = skb_queue_len(&data.q);
+		ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
+			IEEE80211_IFACE_ITER_RESUME_ALL,
+			mt76x02_add_buffered_bc, &data);
+	} while (nframes != skb_queue_len(&data.q));
+
+	if (!nframes)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(data.tail); i++) {
+		if (!data.tail[i])
+			continue;
+
+		mt76_skb_set_moredata(data.tail[i], false);
+	}
+
+	spin_lock_bh(&q->lock);
+	while ((skb = __skb_dequeue(&data.q)) != NULL) {
+		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+		struct ieee80211_vif *vif = info->control.vif;
+		struct mt76x02_vif *mvif = (struct mt76x02_vif *)vif->drv_priv;
+
+		mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid,
+				      NULL);
+	}
+	spin_unlock_bh(&q->lock);
+}
+EXPORT_SYMBOL_GPL(mt76x02_pre_tbtt_tasklet);
+
 static int
 mt76x02_init_tx_queue(struct mt76x02_dev *dev, struct mt76_queue *q,
 		      int idx, int n_desc)

drivers/net/wireless/mediatek/mt76/mt76x2/Makefile

@@ -6,8 +6,8 @@ mt76x2-common-y := \
 	eeprom.o mac.o init.o phy.o mcu.o
 
 mt76x2e-y := \
-	pci.o pci_main.o pci_init.o pci_tx.o \
-	pci_mac.o pci_mcu.o pci_phy.o pci_dfs.o
+	pci.o pci_main.o pci_init.o pci_mac.o \
+	pci_mcu.o pci_phy.o pci_dfs.o
 
 mt76x2u-y := \
 	usb.o usb_init.o usb_main.o usb_mac.o usb_mcu.o \

drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h

@@ -77,8 +77,6 @@ void mt76x2_cleanup(struct mt76x02_dev *dev);
 
 void mt76x2_mac_set_tx_protection(struct mt76x02_dev *dev, u32 val);
 
-void mt76x2_pre_tbtt_tasklet(unsigned long arg);
-
 void mt76x2_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
 
 void mt76x2_reset_wlan(struct mt76x02_dev *dev, bool enable);

drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c

@@ -298,7 +298,7 @@ int mt76x2_init_hardware(struct mt76x02_dev *dev)
 {
 	int ret;
 
-	tasklet_init(&dev->pre_tbtt_tasklet, mt76x2_pre_tbtt_tasklet,
+	tasklet_init(&dev->pre_tbtt_tasklet, mt76x02_pre_tbtt_tasklet,
 		     (unsigned long) dev);
 
 	mt76x02_dma_disable(dev);

drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c

-/*
- * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "mt76x2.h"
-
-struct beacon_bc_data {
-	struct mt76x02_dev *dev;
-	struct sk_buff_head q;
-	struct sk_buff *tail[8];
-};
-
-static void
-mt76x2_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
-{
-	struct mt76x02_dev *dev = (struct mt76x02_dev *) priv;
-	struct mt76x02_vif *mvif = (struct mt76x02_vif *) vif->drv_priv;
-	struct sk_buff *skb = NULL;
-
-	if (!(dev->beacon_mask & BIT(mvif->idx)))
-		return;
-
-	skb = ieee80211_beacon_get(mt76_hw(dev), vif);
-	if (!skb)
-		return;
-
-	mt76x02_mac_set_beacon(dev, mvif->idx, skb);
-}
-
-static void
-mt76x2_add_buffered_bc(void *priv, u8 *mac, struct ieee80211_vif *vif)
-{
-	struct beacon_bc_data *data = priv;
-	struct mt76x02_dev *dev = data->dev;
-	struct mt76x02_vif *mvif = (struct mt76x02_vif *) vif->drv_priv;
-	struct ieee80211_tx_info *info;
-	struct sk_buff *skb;
-
-	if (!(dev->beacon_mask & BIT(mvif->idx)))
-		return;
-
-	skb = ieee80211_get_buffered_bc(mt76_hw(dev), vif);
-	if (!skb)
-		return;
-
-	info = IEEE80211_SKB_CB(skb);
-	info->control.vif = vif;
-	info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ;
-	mt76_skb_set_moredata(skb, true);
-	__skb_queue_tail(&data->q, skb);
-	data->tail[mvif->idx] = skb;
-}
-
-static void
-mt76x2_resync_beacon_timer(struct mt76x02_dev *dev)
-{
-	u32 timer_val = dev->beacon_int << 4;
-
-	dev->tbtt_count++;
-
-	/*
-	 * Beacon timer drifts by 1us every tick, the timer is configured
-	 * in 1/16 TU (64us) units.
-	 */
-	if (dev->tbtt_count < 62)
-		return;
-
-	if (dev->tbtt_count >= 64) {
-		dev->tbtt_count = 0;
-		return;
-	}
-
-	/*
-	 * The updated beacon interval takes effect after two TBTT, because
-	 * at this point the original interval has already been loaded into
-	 * the next TBTT_TIMER value
-	 */
-	if (dev->tbtt_count == 62)
-		timer_val -= 1;
-
-	mt76_rmw_field(dev, MT_BEACON_TIME_CFG,
-		       MT_BEACON_TIME_CFG_INTVAL, timer_val);
-}
-
-void mt76x2_pre_tbtt_tasklet(unsigned long arg)
-{
-	struct mt76x02_dev *dev = (struct mt76x02_dev *) arg;
-	struct mt76_queue *q = &dev->mt76.q_tx[MT_TXQ_PSD];
-	struct beacon_bc_data data = {};
-	struct sk_buff *skb;
-	int i, nframes;
-
-	mt76x2_resync_beacon_timer(dev);
-
-	data.dev = dev;
-	__skb_queue_head_init(&data.q);
-
-	ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
-		IEEE80211_IFACE_ITER_RESUME_ALL,
-		mt76x2_update_beacon_iter, dev);
-
-	do {
-		nframes = skb_queue_len(&data.q);
-		ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
-			IEEE80211_IFACE_ITER_RESUME_ALL,
-			mt76x2_add_buffered_bc, &data);
-	} while (nframes != skb_queue_len(&data.q));
-
-	if (!nframes)
-		return;
-
-	for (i = 0; i < ARRAY_SIZE(data.tail); i++) {
-		if (!data.tail[i])
-			continue;
-
-		mt76_skb_set_moredata(data.tail[i], false);
-	}
-
-	spin_lock_bh(&q->lock);
-	while ((skb = __skb_dequeue(&data.q)) != NULL) {
-		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
-		struct ieee80211_vif *vif = info->control.vif;
-		struct mt76x02_vif *mvif = (struct mt76x02_vif *) vif->drv_priv;
-
-		mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid,
-				      NULL);
-	}
-	spin_unlock_bh(&q->lock);
-}
-