Merge tag 'for-net-next-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Luiz Augusto von Dentz says:

====================
bluetooth-next pull request for net-next:

 - Add a new VID/PID 0489/e0f2 for MT7922
 - Add Realtek RTL8852BE support ID 0x0cb8:0xc559
 - Add a new PID/VID 13d3/3549 for RTL8822CU
 - Add support for broadcom BCM43430A0 & BCM43430A1
 - Add CONFIG_BT_HCIBTUSB_POLL_SYNC
 - Add CONFIG_BT_LE_L2CAP_ECRED
 - Add support for CYW4373A0
 - Add support for RTL8723DS
 - Add more device IDs for WCN6855
 - Add Broadcom BCM4377 family PCIe Bluetooth

* tag 'for-net-next-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (51 commits)
  Bluetooth: Wait for HCI_OP_WRITE_AUTH_PAYLOAD_TO to complete
  Bluetooth: ISO: Avoid circular locking dependency
  Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_core: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_h5: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_ll: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_qca: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: btintel: Fix missing free skb in btintel_setup_combined()
  Bluetooth: hci_conn: Fix crash on hci_create_cis_sync
  Bluetooth: btintel: Fix existing sparce warnings
  Bluetooth: btusb: Fix existing sparce warning
  Bluetooth: btusb: Fix new sparce warnings
  Bluetooth: btusb: Add a new PID/VID 13d3/3549 for RTL8822CU
  Bluetooth: btusb: Add Realtek RTL8852BE support ID 0x0cb8:0xc559
  dt-bindings: net: realtek-bluetooth: Add RTL8723DS
  Bluetooth: btusb: Add a new VID/PID 0489/e0f2 for MT7922
  dt-bindings: bluetooth: broadcom: add BCM43430A0 & BCM43430A1
  Bluetooth: hci_bcm4377: Fix missing pci_disable_device() on error in bcm4377_probe()
  ...
====================

Link: https://lore.kernel.org/r/20221212222322.1690780-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

11 files changed, 102 insertions, 54 deletions

diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index ae3bdc6dfc92..da7cac0a1b71 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -78,6 +78,17 @@ config BT_LE
 	  Bluetooth Low Energy includes support low-energy physical
 	  layer available with Bluetooth version 4.0 or later.
 
+config BT_LE_L2CAP_ECRED
+	bool "Bluetooth L2CAP Enhanced Credit Flow Control"
+	depends on BT_LE
+	default y
+	help
+	  Bluetooth Low Energy L2CAP Enhanced Credit Flow Control available with
+	  Bluetooth version 5.2 or later.
+
+	  This can be overridden by passing bluetooth.enable_ecred=[1|0]
+	  on the kernel commandline.
+
 config BT_6LOWPAN
 	tristate "Bluetooth 6LoWPAN support"
 	depends on BT_LE && 6LOWPAN
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index a6c12863a253..d3e542c2fc3e 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -824,11 +824,10 @@ static int hci_le_terminate_big(struct hci_dev *hdev, u8 big, u8 bis)
 
 	bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", big, bis);
 
-	d = kmalloc(sizeof(*d), GFP_KERNEL);
+	d = kzalloc(sizeof(*d), GFP_KERNEL);
 	if (!d)
 		return -ENOMEM;
 
-	memset(d, 0, sizeof(*d));
 	d->big = big;
 	d->bis = bis;
 
@@ -861,11 +860,10 @@ static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, u16 sync_handle)
 
 	bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", big, sync_handle);
 
-	d = kmalloc(sizeof(*d), GFP_KERNEL);
+	d = kzalloc(sizeof(*d), GFP_KERNEL);
 	if (!d)
 		return -ENOMEM;
 
-	memset(d, 0, sizeof(*d));
 	d->big = big;
 	d->sync_handle = sync_handle;
 
@@ -1881,7 +1879,7 @@ static int hci_create_cis_sync(struct hci_dev *hdev, void *data)
 			continue;
 
 		/* Check if all CIS(s) belonging to a CIG are ready */
-		if (conn->link->state != BT_CONNECTED ||
+		if (!conn->link || conn->link->state != BT_CONNECTED ||
 		    conn->state != BT_CONNECT) {
 			cmd.cp.num_cis = 0;
 			break;
@@ -2046,19 +2044,12 @@ int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
 	if (hci_dev_test_and_set_flag(hdev, HCI_PA_SYNC))
 		return -EBUSY;
 
-	cp = kmalloc(sizeof(*cp), GFP_KERNEL);
+	cp = kzalloc(sizeof(*cp), GFP_KERNEL);
 	if (!cp) {
 		hci_dev_clear_flag(hdev, HCI_PA_SYNC);
 		return -ENOMEM;
 	}
 
-	/* Convert from ISO socket address type to HCI address type  */
-	if (dst_type == BDADDR_LE_PUBLIC)
-		dst_type = ADDR_LE_DEV_PUBLIC;
-	else
-		dst_type = ADDR_LE_DEV_RANDOM;
-
-	memset(cp, 0, sizeof(*cp));
 	cp->sid = sid;
 	cp->addr_type = dst_type;
 	bacpy(&cp->addr, dst);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index d97fac4f7130..b65c3aabcd53 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2660,7 +2660,7 @@ int hci_register_dev(struct hci_dev *hdev)
 
 	error = hci_register_suspend_notifier(hdev);
 	if (error)
-		goto err_wqueue;
+		BT_WARN("register suspend notifier failed error:%d\n", error);
 
 	queue_work(hdev->req_workqueue, &hdev->power_on);
 
@@ -3985,7 +3985,7 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
 			*req_complete_skb = bt_cb(skb)->hci.req_complete_skb;
 		else
 			*req_complete = bt_cb(skb)->hci.req_complete;
-		kfree_skb(skb);
+		dev_kfree_skb_irq(skb);
 	}
 	spin_unlock_irqrestore(&hdev->cmd_q.lock, flags);
 }
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 3f401ec5bb0c..b7f682922a16 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -757,7 +757,7 @@ static ssize_t force_static_address_write(struct file *file,
 	bool enable;
 	int err;
 
-	if (test_bit(HCI_UP, &hdev->flags))
+	if (hdev_is_powered(hdev))
 		return -EBUSY;
 
 	err = kstrtobool_from_user(user_buf, count, &enable);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index faca701bce2a..0594af4e37ca 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -801,9 +801,6 @@ static u8 hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, void *data,
 
 	bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
 
-	if (rp->status)
-		return rp->status;
-
 	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO);
 	if (!sent)
 		return rp->status;
@@ -811,9 +808,17 @@ static u8 hci_cc_write_auth_payload_timeout(struct hci_dev *hdev, void *data,
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
-	if (conn)
+	if (!conn) {
+		rp->status = 0xff;
+		goto unlock;
+	}
+
+	if (!rp->status)
 		conn->auth_payload_timeout = get_unaligned_le16(sent + 2);
 
+	hci_encrypt_cfm(conn, 0);
+
+unlock:
 	hci_dev_unlock(hdev);
 
 	return rp->status;
@@ -3680,8 +3685,13 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, void *data,
 
 		cp.handle = cpu_to_le16(conn->handle);
 		cp.timeout = cpu_to_le16(hdev->auth_payload_timeout);
-		hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO,
-			     sizeof(cp), &cp);
+		if (hci_send_cmd(conn->hdev, HCI_OP_WRITE_AUTH_PAYLOAD_TO,
+				 sizeof(cp), &cp)) {
+			bt_dev_err(hdev, "write auth payload timeout failed");
+			goto notify;
+		}
+
+		goto unlock;
 	}
 
 notify:
@@ -6494,7 +6504,7 @@ static void hci_le_ext_adv_report_evt(struct hci_dev *hdev, void *data,
 					info->length))
 			break;
 
-		evt_type = __le16_to_cpu(info->type);
+		evt_type = __le16_to_cpu(info->type) & LE_EXT_ADV_EVT_TYPE_MASK;
 		legacy_evt_type = ext_evt_type_to_legacy(hdev, evt_type);
 		if (legacy_evt_type != LE_ADV_INVALID) {
 			process_adv_report(hdev, legacy_evt_type, &info->bdaddr,
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 1fc693122a47..9e2d7e4b850c 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3055,6 +3055,7 @@ int hci_update_name_sync(struct hci_dev *hdev)
  * Enable Authentication
  * lmp_bredr_capable(Set Fast Connectable -> Set Scan Type -> Set Class ->
  * Set Name -> Set EIR)
+ * HCI_FORCE_STATIC_ADDR | BDADDR_ANY && !HCI_BREDR_ENABLED (Set Static Address)
  */
 int hci_powered_update_sync(struct hci_dev *hdev)
 {
@@ -3094,6 +3095,23 @@ int hci_powered_update_sync(struct hci_dev *hdev)
 		hci_update_eir_sync(hdev);
 	}
 
+	/* If forcing static address is in use or there is no public
+	 * address use the static address as random address (but skip
+	 * the HCI command if the current random address is already the
+	 * static one.
+	 *
+	 * In case BR/EDR has been disabled on a dual-mode controller
+	 * and a static address has been configured, then use that
+	 * address instead of the public BR/EDR address.
+	 */
+	if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+	    (!bacmp(&hdev->bdaddr, BDADDR_ANY) &&
+	    !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))) {
+		if (bacmp(&hdev->static_addr, BDADDR_ANY))
+			return hci_set_random_addr_sync(hdev,
+							&hdev->static_addr);
+	}
+
 	return 0;
 }
 
@@ -4261,7 +4279,7 @@ static int hci_read_local_pairing_opts_sync(struct hci_dev *hdev)
 /* Get MWS transport configuration if the HCI command is supported */
 static int hci_get_mws_transport_config_sync(struct hci_dev *hdev)
 {
-	if (!(hdev->commands[30] & 0x08))
+	if (!mws_transport_config_capable(hdev))
 		return 0;
 
 	return __hci_cmd_sync_status(hdev, HCI_OP_GET_MWS_TRANSPORT_CONFIG,
@@ -4703,6 +4721,7 @@ int hci_dev_open_sync(struct hci_dev *hdev)
 			hdev->flush(hdev);
 
 		if (hdev->sent_cmd) {
+			cancel_delayed_work_sync(&hdev->cmd_timer);
 			kfree_skb(hdev->sent_cmd);
 			hdev->sent_cmd = NULL;
 		}
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 26db929b97c4..035bb5d25f85 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -261,36 +261,42 @@ static int iso_connect_bis(struct sock *sk)
 
 	if (!bis_capable(hdev)) {
 		err = -EOPNOTSUPP;
-		goto done;
+		goto unlock;
 	}
 
 	/* Fail if out PHYs are marked as disabled */
 	if (!iso_pi(sk)->qos.out.phy) {
 		err = -EINVAL;
-		goto done;
+		goto unlock;
 	}
 
-	hcon = hci_connect_bis(hdev, &iso_pi(sk)->dst, iso_pi(sk)->dst_type,
+	hcon = hci_connect_bis(hdev, &iso_pi(sk)->dst,
+			       le_addr_type(iso_pi(sk)->dst_type),
 			       &iso_pi(sk)->qos, iso_pi(sk)->base_len,
 			       iso_pi(sk)->base);
 	if (IS_ERR(hcon)) {
 		err = PTR_ERR(hcon);
-		goto done;
+		goto unlock;
 	}
 
 	conn = iso_conn_add(hcon);
 	if (!conn) {
 		hci_conn_drop(hcon);
 		err = -ENOMEM;
-		goto done;
+		goto unlock;
 	}
 
+	hci_dev_unlock(hdev);
+	hci_dev_put(hdev);
+
+	lock_sock(sk);
+
 	/* Update source addr of the socket */
 	bacpy(&iso_pi(sk)->src, &hcon->src);
 
 	err = iso_chan_add(conn, sk, NULL);
 	if (err)
-		goto done;
+		goto release;
 
 	if (hcon->state == BT_CONNECTED) {
 		iso_sock_clear_timer(sk);
@@ -300,7 +306,11 @@ static int iso_connect_bis(struct sock *sk)
 		iso_sock_set_timer(sk, sk->sk_sndtimeo);
 	}
 
-done:
+release:
+	release_sock(sk);
+	return err;
+
+unlock:
 	hci_dev_unlock(hdev);
 	hci_dev_put(hdev);
 	return err;
@@ -324,13 +334,13 @@ static int iso_connect_cis(struct sock *sk)
 
 	if (!cis_central_capable(hdev)) {
 		err = -EOPNOTSUPP;
-		goto done;
+		goto unlock;
 	}
 
 	/* Fail if either PHYs are marked as disabled */
 	if (!iso_pi(sk)->qos.in.phy && !iso_pi(sk)->qos.out.phy) {
 		err = -EINVAL;
-		goto done;
+		goto unlock;
 	}
 
 	/* Just bind if DEFER_SETUP has been set */
@@ -340,7 +350,7 @@ static int iso_connect_cis(struct sock *sk)
 				    &iso_pi(sk)->qos);
 		if (IS_ERR(hcon)) {
 			err = PTR_ERR(hcon);
-			goto done;
+			goto unlock;
 		}
 	} else {
 		hcon = hci_connect_cis(hdev, &iso_pi(sk)->dst,
@@ -348,7 +358,7 @@ static int iso_connect_cis(struct sock *sk)
 				       &iso_pi(sk)->qos);
 		if (IS_ERR(hcon)) {
 			err = PTR_ERR(hcon);
-			goto done;
+			goto unlock;
 		}
 	}
 
@@ -356,15 +366,20 @@ static int iso_connect_cis(struct sock *sk)
 	if (!conn) {
 		hci_conn_drop(hcon);
 		err = -ENOMEM;
-		goto done;
+		goto unlock;
 	}
 
+	hci_dev_unlock(hdev);
+	hci_dev_put(hdev);
+
+	lock_sock(sk);
+
 	/* Update source addr of the socket */
 	bacpy(&iso_pi(sk)->src, &hcon->src);
 
 	err = iso_chan_add(conn, sk, NULL);
 	if (err)
-		goto done;
+		goto release;
 
 	if (hcon->state == BT_CONNECTED) {
 		iso_sock_clear_timer(sk);
@@ -377,7 +392,11 @@ static int iso_connect_cis(struct sock *sk)
 		iso_sock_set_timer(sk, sk->sk_sndtimeo);
 	}
 
-done:
+release:
+	release_sock(sk);
+	return err;
+
+unlock:
 	hci_dev_unlock(hdev);
 	hci_dev_put(hdev);
 	return err;
@@ -831,20 +850,23 @@ static int iso_sock_connect(struct socket *sock, struct sockaddr *addr,
 	bacpy(&iso_pi(sk)->dst, &sa->iso_bdaddr);
 	iso_pi(sk)->dst_type = sa->iso_bdaddr_type;
 
+	release_sock(sk);
+
 	if (bacmp(&iso_pi(sk)->dst, BDADDR_ANY))
 		err = iso_connect_cis(sk);
 	else
 		err = iso_connect_bis(sk);
 
 	if (err)
-		goto done;
+		return err;
+
+	lock_sock(sk);
 
 	if (!test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
 		err = bt_sock_wait_state(sk, BT_CONNECTED,
 					 sock_sndtimeo(sk, flags & O_NONBLOCK));
 	}
 
-done:
 	release_sock(sk);
 	return err;
 }
@@ -875,7 +897,8 @@ static int iso_listen_bis(struct sock *sk)
 
 	hci_dev_lock(hdev);
 
-	err = hci_pa_create_sync(hdev, &iso_pi(sk)->dst, iso_pi(sk)->dst_type,
+	err = hci_pa_create_sync(hdev, &iso_pi(sk)->dst,
+				 le_addr_type(iso_pi(sk)->dst_type),
 				 iso_pi(sk)->bc_sid);
 
 	hci_dev_unlock(hdev);
@@ -1099,28 +1122,22 @@ static int iso_sock_recvmsg(struct socket *sock, struct msghdr *msg,
 {
 	struct sock *sk = sock->sk;
 	struct iso_pinfo *pi = iso_pi(sk);
-	int err;
 
 	BT_DBG("sk %p", sk);
 
-	lock_sock(sk);
-
 	if (test_and_clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
 		switch (sk->sk_state) {
 		case BT_CONNECT2:
+			lock_sock(sk);
 			iso_conn_defer_accept(pi->conn->hcon);
 			sk->sk_state = BT_CONFIG;
 			release_sock(sk);
 			return 0;
 		case BT_CONNECT:
-			err = iso_connect_cis(sk);
-			release_sock(sk);
-			return err;
+			return iso_connect_cis(sk);
 		}
 	}
 
-	release_sock(sk);
-
 	return bt_sock_recvmsg(sock, msg, len, flags);
 }
 
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 9fdede5fe71c..a3e0dc6a6e73 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -45,7 +45,7 @@
 #define LE_FLOWCTL_MAX_CREDITS 65535
 
 bool disable_ertm;
-bool enable_ecred;
+bool enable_ecred = IS_ENABLED(CONFIG_BT_LE_L2CAP_ECRED);
 
 static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN | L2CAP_FEAT_UCD;
 
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index 469a0c95b6e8..53a796ac078c 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -170,7 +170,7 @@ __u8 bt_status(int err)
 	case -EMLINK:
 		return 0x09;
 
-	case EALREADY:
+	case -EALREADY:
 		return 0x0b;
 
 	case -EBUSY:
@@ -191,7 +191,7 @@ __u8 bt_status(int err)
 	case -ECONNABORTED:
 		return 0x16;
 
-	case ELOOP:
+	case -ELOOP:
 		return 0x17;
 
 	case -EPROTONOSUPPORT:
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index a92e7e485feb..0dd30a3beb77 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -8859,7 +8859,7 @@ static int add_ext_adv_params(struct sock *sk, struct hci_dev *hdev,
 	 * extra parameters we don't know about will be ignored in this request.
 	 */
 	if (data_len < MGMT_ADD_EXT_ADV_PARAMS_MIN_SIZE)
-		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
+		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_PARAMS,
 				       MGMT_STATUS_INVALID_PARAMS);
 
 	flags = __le32_to_cpu(cp->flags);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 7324764384b6..8d6fce9005bd 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -590,7 +590,7 @@ int rfcomm_dlc_send(struct rfcomm_dlc *d, struct sk_buff *skb)
 
 		ret = rfcomm_dlc_send_frag(d, frag);
 		if (ret < 0) {
-			kfree_skb(frag);
+			dev_kfree_skb_irq(frag);
 			goto unlock;
 		}