[Bluetooth] Disable HCI flow control for vendor commands

This patch disables the use of HCI flow control for vendor
commands. All vendor commands will be queued to hdev->raw_q
instead of hdev->cmd_q.

include/net/bluetooth/hci.h

@@ -85,6 +85,7 @@ enum {
 #define HCISETLINKMODE	_IOW('H', 226, int)
 #define HCISETACLMTU	_IOW('H', 227, int)
 #define HCISETSCOMTU	_IOW('H', 228, int)
+#define HCISETRAWVND	_IOW('H', 229, int)
 
 #define HCIINQUIRY	_IOR('H', 240, int)
 
@@ -386,6 +387,12 @@ struct hci_rp_write_link_policy {
 /* Status params */
 #define OGF_STATUS_PARAM 	0x05
 
+/* Testing commands */
+#define OGF_TESTING_CMD		0x3E
+
+/* Vendor specific commands */
+#define OGF_VENDOR_CMD		0x3F
+
 /* ---- HCI Events ---- */
 #define HCI_EV_INQUIRY_COMPLETE	0x01
 

net/bluetooth/hci_core.c

@@ -967,6 +967,9 @@ int hci_send_raw(struct sk_buff *skb)
 		/* Queue frame according it's type */
 		switch (skb->pkt_type) {
 		case HCI_COMMAND_PKT:
+			if (cmd_opcode_ogf(__le16_to_cpu(*(__u16 *)skb->data)) == OGF_VENDOR_CMD)
+					break;
+
 			skb_queue_tail(&hdev->cmd_q, skb);
 			hci_sched_cmd(hdev);
 			return 0;