linux-kernel - [PATCH v7 7/8] Bluetooth: btmtk: move btusb_recv_acl

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240704060116.16600-8-chris.lu@mediatek.com>
Date: Thu, 4 Jul 2024 14:01:15 +0800
From: Chris Lu <chris.lu@...iatek.com>
To: Marcel Holtmann <marcel@...tmann.org>, Johan Hedberg
	<johan.hedberg@...il.com>, Luiz Von Dentz <luiz.dentz@...il.com>
CC: Sean Wang <sean.wang@...iatek.com>, Aaron Hou <aaron.hou@...iatek.com>,
	Steve Lee <steve.lee@...iatek.com>, linux-bluetooth
	<linux-bluetooth@...r.kernel.org>, linux-kernel
	<linux-kernel@...r.kernel.org>, linux-mediatek
	<linux-mediatek@...ts.infradead.org>, Chris Lu <chris.lu@...iatek.com>
Subject: [PATCH v7 7/8] Bluetooth: btmtk: move btusb_recv_acl_mtk to btmtk.c

Move btusb_recv_acl_mtk from btusb.c to btmtk.c which holds
vendor specific stuff and would make btusb.c clean.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
Signed-off-by: Chris Lu <chris.lu@...iatek.com>
---
 drivers/bluetooth/btmtk.c | 33 +++++++++++++++++++++++++++++++++
 drivers/bluetooth/btmtk.h |  7 +++++++
 drivers/bluetooth/btusb.c | 34 +---------------------------------
 3 files changed, 41 insertions(+), 33 deletions(-)

diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
index f5ecb8227d3b..fe3b892f6c6e 100644
--- a/drivers/bluetooth/btmtk.c
+++ b/drivers/bluetooth/btmtk.c
@@ -930,6 +930,39 @@ int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id)
 }
 EXPORT_SYMBOL_GPL(btmtk_usb_subsys_reset);
 
+int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	struct btmtk_data *data = hci_get_priv(hdev);
+	u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle);
+
+	switch (handle) {
+	case 0xfc6f:		/* Firmware dump from device */
+		/* When the firmware hangs, the device can no longer
+		 * suspend and thus disable auto-suspend.
+		 */
+		usb_disable_autosuspend(data->udev);
+
+		/* We need to forward the diagnostic packet to userspace daemon
+		 * for backward compatibility, so we have to clone the packet
+		 * extraly for the in-kernel coredump support.
+		 */
+		if (IS_ENABLED(CONFIG_DEV_COREDUMP)) {
+			struct sk_buff *skb_cd = skb_clone(skb, GFP_ATOMIC);
+
+			if (skb_cd)
+				btmtk_process_coredump(hdev, skb_cd);
+		}
+
+		fallthrough;
+	case 0x05ff:		/* Firmware debug logging 1 */
+	case 0x05fe:		/* Firmware debug logging 2 */
+		return hci_recv_diag(hdev, skb);
+	}
+
+	return hci_recv_frame(hdev, skb);
+}
+EXPORT_SYMBOL_GPL(btmtk_usb_recv_acl);
+
 int btmtk_usb_setup(struct hci_dev *hdev)
 {
 	struct btmtk_data *btmtk_data = hci_get_priv(hdev);
diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h
index fe41528ae509..47193b867b9f 100644
--- a/drivers/bluetooth/btmtk.h
+++ b/drivers/bluetooth/btmtk.h
@@ -191,6 +191,8 @@ void btmtk_fw_get_filename(char *buf, size_t size, u32 dev_id, u32 fw_ver,
 
 int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id);
 
+int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb);
+
 int btmtk_usb_setup(struct hci_dev *hdev);
 
 int btmtk_usb_shutdown(struct hci_dev *hdev);
@@ -239,6 +241,11 @@ static int btmtk_usb_subsys_reset(struct hci_dev *hdev, u32 dev_id)
 	return -EOPNOTSUPP;
 }
 
+static int btmtk_usb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	return -EOPNOTSUPP;
+}
+
 static int btmtk_usb_setup(struct hci_dev *hdev)
 {
 	return -EOPNOTSUPP;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index d61a1d02e3e3..5de50c835964 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2690,38 +2690,6 @@ static int btusb_mtk_shutdown(struct hci_dev *hdev)
 	return btmtk_usb_shutdown(hdev);
 }
 
-static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb)
-{
-	struct btusb_data *data = hci_get_drvdata(hdev);
-	u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle);
-
-	switch (handle) {
-	case 0xfc6f:		/* Firmware dump from device */
-		/* When the firmware hangs, the device can no longer
-		 * suspend and thus disable auto-suspend.
-		 */
-		usb_disable_autosuspend(data->udev);
-
-		/* We need to forward the diagnostic packet to userspace daemon
-		 * for backward compatibility, so we have to clone the packet
-		 * extraly for the in-kernel coredump support.
-		 */
-		if (IS_ENABLED(CONFIG_DEV_COREDUMP)) {
-			struct sk_buff *skb_cd = skb_clone(skb, GFP_ATOMIC);
-
-			if (skb_cd)
-				btmtk_process_coredump(hdev, skb_cd);
-		}
-
-		fallthrough;
-	case 0x05ff:		/* Firmware debug logging 1 */
-	case 0x05fe:		/* Firmware debug logging 2 */
-		return hci_recv_diag(hdev, skb);
-	}
-
-	return hci_recv_frame(hdev, skb);
-}
-
 #ifdef CONFIG_PM
 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
 static int marvell_config_oob_wake(struct hci_dev *hdev)
@@ -3827,7 +3795,7 @@ static int btusb_probe(struct usb_interface *intf,
 		hdev->set_bdaddr = btmtk_set_bdaddr;
 		set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks);
 		set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
-		data->recv_acl = btusb_recv_acl_mtk;
+		data->recv_acl = btmtk_usb_recv_acl;
 	}
 
 	if (id->driver_info & BTUSB_SWAVE) {
-- 
2.18.0