wifi: mt76: mt7921: introduce chanctx support

index dcdb3cf04ac1..e9353e9929a9 100644
@@ -2,6 +2,7 @@
 /* Copyright (C) 2020 MediaTek Inc. */
 
 #include <linux/etherdevice.h>
+#include <linux/firmware.h>
 #include "mt7921.h"
 #include "mac.h"
 #include "mcu.h"

@@ -65,12 +66,18 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
 	hw->sta_data_size = sizeof(struct mt7921_sta);
 	hw->vif_data_size = sizeof(struct mt7921_vif);
 
+	if (dev->fw_features & MT7921_FW_CAP_CNM)
+		wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+	else
+		wiphy->flags &= ~WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+
 	wiphy->iface_combinations = if_comb;
 	wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP |
 			  WIPHY_FLAG_4ADDR_STATION);
 	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 				 BIT(NL80211_IFTYPE_AP);
 	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+	wiphy->max_remain_on_channel_duration = 5000;
 	wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
 	wiphy->max_scan_ssids = 4;
 	wiphy->max_sched_scan_plan_interval =

@@ -129,6 +136,58 @@ mt7921_mac_init_band(struct mt7921_dev *dev, u8 band)
 	mt76_clear(dev, MT_DMA_DCR0(band), MT_DMA_DCR0_RXD_G5_EN);
 }
 
+u8 mt7921_check_offload_capability(struct device *dev, const char *fw_wm)
+{
+	struct mt7921_fw_features *features = NULL;
+	const struct mt76_connac2_fw_trailer *hdr;
+	struct mt7921_realease_info *rel_info;
+	const struct firmware *fw;
+	int ret, i, offset = 0;
+	const u8 *data, *end;
+
+	ret = request_firmware(&fw, fw_wm, dev);
+	if (ret)
+		return ret;
+
+	if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+		dev_err(dev, "Invalid firmware\n");
+		return -EINVAL;
+	}
+
+	data = fw->data;
+	hdr = (const void *)(fw->data + fw->size - sizeof(*hdr));
+
+	for (i = 0; i < hdr->n_region; i++) {
+		const struct mt76_connac2_fw_region *region;
+
+		region = (const void *)((const u8 *)hdr -
+					(hdr->n_region - i) * sizeof(*region));
+		offset += le32_to_cpu(region->len);
+	}
+
+	data += offset + 16;
+	rel_info = (struct mt7921_realease_info *)data;
+	data += sizeof(*rel_info);
+	end = data + le16_to_cpu(rel_info->len);
+
+	while (data < end) {
+		rel_info = (struct mt7921_realease_info *)data;
+		data += sizeof(*rel_info);
+
+		if (rel_info->tag == MT7921_FW_TAG_FEATURE) {
+			features = (struct mt7921_fw_features *)data;
+			break;
+		}
+
+		data += le16_to_cpu(rel_info->len) + rel_info->pad_len;
+	}
+
+	release_firmware(fw);
+
+	return features ? features->data : 0;
+}
+EXPORT_SYMBOL_GPL(mt7921_check_offload_capability);
+
 int mt7921_mac_init(struct mt7921_dev *dev)
 {
 	int i;

@@ -278,6 +337,10 @@ int mt7921_register_device(struct mt7921_dev *dev)
 	INIT_WORK(&dev->reset_work, mt7921_mac_reset_work);
 	INIT_WORK(&dev->init_work, mt7921_init_work);
 
+	INIT_WORK(&dev->phy.roc_work, mt7921_roc_work);
+	timer_setup(&dev->phy.roc_timer, mt7921_roc_timer, 0);
+	init_waitqueue_head(&dev->phy.roc_wait);
+
 	dev->pm.idle_timeout = MT7921_PM_TIMEOUT;
 	dev->pm.stats.last_wake_event = jiffies;
 	dev->pm.stats.last_doze_event = jiffies;

124 lines not on this page · raw message

index 7a74abecb269..fb9c0f66cb27 100644
@@ -154,6 +154,29 @@ void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
 
 #endif /* CONFIG_PM */
 
+static void
+mt7921_mcu_uni_roc_event(struct mt7921_dev *dev, struct sk_buff *skb)
+{
+	struct mt7921_roc_grant_tlv *grant;
+	struct mt76_connac2_mcu_rxd *rxd;
+	int duration;
+
+	rxd = (struct mt76_connac2_mcu_rxd *)skb->data;
+	grant = (struct mt7921_roc_grant_tlv *)(rxd->tlv + 4);
+
+	/* should never happen */
+	WARN_ON_ONCE((le16_to_cpu(grant->tag) != UNI_EVENT_ROC_GRANT));
+
+	if (grant->reqtype == MT7921_ROC_REQ_ROC)
+		ieee80211_ready_on_channel(dev->mt76.phy.hw);
+
+	dev->phy.roc_grant = true;
+	wake_up(&dev->phy.roc_wait);
+	duration = le32_to_cpu(grant->max_interval);
+	mod_timer(&dev->phy.roc_timer,
+		  round_jiffies_up(jiffies + msecs_to_jiffies(duration)));
+}
+
 static void
 mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb)
 {

@@ -295,6 +318,7 @@ mt7921_mcu_uni_rx_unsolicited_event(struct mt7921_dev *dev,
 
 	switch (rxd->eid) {
 	case MCU_UNI_EVENT_ROC:
+		mt7921_mcu_uni_roc_event(dev, skb);
 		break;
 	default:
 		break;

82 lines not on this page · raw message

index b38d119b2ea9..32ad26ef3a68 100644
@@ -13,10 +13,14 @@
 #include "../trace.h"
 
 static const struct pci_device_id mt7921_pci_device_table[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7922) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0608) },
-	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961),
+		.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7922),
+		.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0608),
+		.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616),
+		.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
 	{ },
 };
 

@@ -253,9 +257,11 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 		.fw_own = mt7921e_mcu_fw_pmctrl,
 	};
 
+	struct ieee80211_ops *ops;
 	struct mt76_bus_ops *bus_ops;
 	struct mt7921_dev *dev;
 	struct mt76_dev *mdev;
+	u8 features;
 	int ret;
 
 	ret = pcim_enable_device(pdev);

@@ -279,8 +285,21 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 	if (mt7921_disable_aspm)
 		mt76_pci_disable_aspm(pdev);
 
-	mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7921_ops,
-				 &drv_ops);
+	features = mt7921_check_offload_capability(&pdev->dev, (const char *)
+						   id->driver_data);
+	ops = devm_kmemdup(&pdev->dev, &mt7921_ops, sizeof(mt7921_ops),
+			   GFP_KERNEL);
+	if (!ops) {
+		ret = -ENOMEM;
+		goto err_free_pci_vec;
+	}
+
+	if (!(features & MT7921_FW_CAP_CNM)) {
+		ops->remain_on_channel = NULL;
+		ops->cancel_remain_on_channel = NULL;
+	}
+
+	mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), ops, &drv_ops);
 	if (!mdev) {
 		ret = -ENOMEM;
 		goto err_free_pci_vec;

@@ -289,8 +308,8 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 	pci_set_drvdata(pdev, mdev);
 
 	dev = container_of(mdev, struct mt7921_dev, mt76);
+	dev->fw_features = features;
 	dev->hif_ops = &mt7921_pcie_ops;
-
 	mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
 	tasklet_init(&dev->irq_tasklet, mt7921_irq_tasklet, (unsigned long)dev);
 

index 377ca5fa3f6e..e07a8fb87421 100644
@@ -17,7 +17,8 @@
 #include "mcu.h"
 
 static const struct sdio_device_id mt7921s_table[] = {
-	{ SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7901) },
+	{ SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7901),
+		.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
 	{ }	/* Terminating entry */
 };
 

@@ -122,18 +123,32 @@ static int mt7921s_probe(struct sdio_func *func,
 		.fw_own = mt7921s_mcu_fw_pmctrl,
 	};
 
+	struct ieee80211_ops *ops;
 	struct mt7921_dev *dev;
 	struct mt76_dev *mdev;
+	u8 features;
 	int ret;
 
-	mdev = mt76_alloc_device(&func->dev, sizeof(*dev), &mt7921_ops,
-				 &drv_ops);
+	features = mt7921_check_offload_capability(&func->dev, (const char *)
+						   id->driver_data);
+
+	ops = devm_kmemdup(&func->dev, &mt7921_ops, sizeof(mt7921_ops),
+			   GFP_KERNEL);
+	if (!ops)
+		return -ENOMEM;
+
+	if (!(features & MT7921_FW_CAP_CNM)) {
+		ops->remain_on_channel = NULL;
+		ops->cancel_remain_on_channel = NULL;
+	}
+
+	mdev = mt76_alloc_device(&func->dev, sizeof(*dev), ops, &drv_ops);
 	if (!mdev)
 		return -ENOMEM;
 
 	dev = container_of(mdev, struct mt7921_dev, mt76);
+	dev->fw_features = features;
 	dev->hif_ops = &mt7921_sdio_ops;
-
 	sdio_set_drvdata(func, dev);
 
 	ret = mt76s_init(mdev, func, &mt7921s_ops);

index 89249f0b6aba..3e4ddc6715f0 100644
@@ -13,7 +13,8 @@
 #include "mac.h"
 
 static const struct usb_device_id mt7921u_device_table[] = {
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7961, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7961, 0xff, 0xff, 0xff),
+		.driver_info = (kernel_ulong_t)MT7921_FIRMWARE_WM },
 	{ },
 };
 

@@ -204,13 +205,22 @@ static int mt7921u_probe(struct usb_interface *usb_intf,
 	struct ieee80211_hw *hw;
 	struct mt7921_dev *dev;
 	struct mt76_dev *mdev;
+	const void *ops_src;
+	u8 features;
 	int ret;
 
+	features = mt7921_check_offload_capability(&usb_intf->dev, (const char *)
+						   id->driver_info);
 	ops = devm_kmemdup(&usb_intf->dev, &mt7921_ops, sizeof(mt7921_ops),
 			   GFP_KERNEL);
 	if (!ops)
 		return -ENOMEM;
 
+	if (!(features & MT7921_FW_CAP_CNM)) {
+		ops->remain_on_channel = NULL;
+		ops->cancel_remain_on_channel = NULL;
+	}
+
 	ops->stop = mt7921u_stop;
 
 	mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), ops, &drv_ops);

@@ -218,6 +228,7 @@ static int mt7921u_probe(struct usb_interface *usb_intf,
 		return -ENOMEM;
 
 	dev = container_of(mdev, struct mt7921_dev, mt76);
+	dev->fw_features = features;
 	dev->hif_ops = &hif_ops;
 
 	udev = usb_get_dev(udev);

index e9353e9929a9..79b8055ce4c4 100644
@@ -26,6 +26,27 @@ static const struct ieee80211_iface_combination if_comb[] = {
 		.max_interfaces = MT7921_MAX_INTERFACES,
 		.num_different_channels = 1,
 		.beacon_int_infra_match = true,
+	},
+};
+
+static const struct ieee80211_iface_limit if_limits_chanctx[] = {
+	{
+		.max = 2,
+		.types = BIT(NL80211_IFTYPE_STATION),
+	},
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_AP),
+	}
+};
+
+static const struct ieee80211_iface_combination if_comb_chanctx[] = {
+	{
+		.limits = if_limits_chanctx,
+		.n_limits = ARRAY_SIZE(if_limits_chanctx),
+		.max_interfaces = 2,
+		.num_different_channels = 2,
+		.beacon_int_infra_match = false,
 	}
 };
 

@@ -66,17 +87,19 @@ mt7921_init_wiphy(struct ieee80211_hw *hw)
 	hw->sta_data_size = sizeof(struct mt7921_sta);
 	hw->vif_data_size = sizeof(struct mt7921_vif);
 
-	if (dev->fw_features & MT7921_FW_CAP_CNM)
+	if (dev->fw_features & MT7921_FW_CAP_CNM) {
 		wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
-	else
+		wiphy->iface_combinations = if_comb_chanctx;
+		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_chanctx);
+	} else {
 		wiphy->flags &= ~WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
-
-	wiphy->iface_combinations = if_comb;
+		wiphy->iface_combinations = if_comb;
+		wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+	}
 	wiphy->flags &= ~(WIPHY_FLAG_IBSS_RSN | WIPHY_FLAG_4ADDR_AP |
 			  WIPHY_FLAG_4ADDR_STATION);
 	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 				 BIT(NL80211_IFTYPE_AP);
-	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
 	wiphy->max_remain_on_channel_duration = 5000;
 	wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
 	wiphy->max_scan_ssids = 4;

index eeab756240a2..443a4a49bc9e 100644
@@ -168,14 +168,6 @@ static void
 mt7921_get_status_freq_info(struct mt7921_dev *dev, struct mt76_phy *mphy,
 			    struct mt76_rx_status *status, u8 chfreq)
 {
-	if (!test_bit(MT76_HW_SCANNING, &mphy->state) &&
-	    !test_bit(MT76_HW_SCHED_SCANNING, &mphy->state) &&
-	    !test_bit(MT76_STATE_ROC, &mphy->state)) {
-		status->freq = mphy->chandef.chan->center_freq;
-		status->band = mphy->chandef.chan->band;
-		return;
-	}
-
 	if (chfreq > 180) {
 		status->band = NL80211_BAND_6GHZ;
 		chfreq = (chfreq - 181) * 4 + 1;

146 lines not on this page · raw message

index 4f0147e40bc3..ac70a978dbed 100644
@@ -171,6 +171,7 @@ struct mt7921_vif {
 	struct ewma_rssi rssi;
 
 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
+	struct ieee80211_chanctx_conf *ctx;
 };
 
 struct mib_stats {

index 32ad26ef3a68..28342ec940f0 100644
@@ -297,6 +297,13 @@ static int mt7921_pci_probe(struct pci_dev *pdev,
 	if (!(features & MT7921_FW_CAP_CNM)) {
 		ops->remain_on_channel = NULL;
 		ops->cancel_remain_on_channel = NULL;
+		ops->add_chanctx = NULL;
+		ops->remove_chanctx = NULL;
+		ops->change_chanctx = NULL;
+		ops->assign_vif_chanctx = NULL;
+		ops->unassign_vif_chanctx = NULL;
+		ops->mgd_prepare_tx = NULL;
+		ops->mgd_complete_tx = NULL;
 	}
 
 	mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), ops, &drv_ops);

index e07a8fb87421..8ce4252b8ae7 100644
@@ -140,6 +140,13 @@ static int mt7921s_probe(struct sdio_func *func,
 	if (!(features & MT7921_FW_CAP_CNM)) {
 		ops->remain_on_channel = NULL;
 		ops->cancel_remain_on_channel = NULL;
+		ops->add_chanctx = NULL;
+		ops->remove_chanctx = NULL;
+		ops->change_chanctx = NULL;
+		ops->assign_vif_chanctx = NULL;
+		ops->unassign_vif_chanctx = NULL;
+		ops->mgd_prepare_tx = NULL;
+		ops->mgd_complete_tx = NULL;
 	}
 
 	mdev = mt76_alloc_device(&func->dev, sizeof(*dev), ops, &drv_ops);

index 3e4ddc6715f0..d0caf4a1b21c 100644
@@ -219,6 +219,13 @@ static int mt7921u_probe(struct usb_interface *usb_intf,
 	if (!(features & MT7921_FW_CAP_CNM)) {
 		ops->remain_on_channel = NULL;
 		ops->cancel_remain_on_channel = NULL;
+		ops->add_chanctx = NULL;
+		ops->remove_chanctx = NULL;
+		ops->change_chanctx = NULL;
+		ops->assign_vif_chanctx = NULL;
+		ops->unassign_vif_chanctx = NULL;
+		ops->mgd_prepare_tx = NULL;
+		ops->mgd_complete_tx = NULL;
 	}
 
 	ops->stop = mt7921u_stop;