-static inline int __recv_frame(struct hci_usb *husb, int type, void *data, int count)
-{
- BT_DBG("%s type %d data %p count %d", husb->hdev->name, type, data, count);
-
- husb->hdev->stat.byte_rx += count;
-
- while (count) {
- struct sk_buff *skb = __reassembly(husb, type);
- struct { int expect; } *scb;
- int len = 0;
-
- if (!skb) {
- /* Start of the frame */
-
- switch (type) {
- case HCI_EVENT_PKT:
- if (count >= HCI_EVENT_HDR_SIZE) {
- struct hci_event_hdr *h = data;
- len = HCI_EVENT_HDR_SIZE + h->plen;
- } else
- return -EILSEQ;
- break;
-
- case HCI_ACLDATA_PKT:
- if (count >= HCI_ACL_HDR_SIZE) {
- struct hci_acl_hdr *h = data;
- len = HCI_ACL_HDR_SIZE + __le16_to_cpu(h->dlen);
- } else
- return -EILSEQ;
- break;
-#ifdef CONFIG_BT_HCIUSB_SCO
- case HCI_SCODATA_PKT:
- if (count >= HCI_SCO_HDR_SIZE) {
- struct hci_sco_hdr *h = data;
- len = HCI_SCO_HDR_SIZE + h->dlen;
- } else
- return -EILSEQ;
- break;
-#endif
- }
- BT_DBG("new packet len %d", len);
-
- skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (!skb) {
- BT_ERR("%s no memory for the packet", husb->hdev->name);
- return -ENOMEM;
- }
- skb->dev = (void *) husb->hdev;
- skb->pkt_type = type;
-
- __reassembly(husb, type) = skb;
-
- scb = (void *) skb->cb;
- scb->expect = len;
- } else {
- /* Continuation */
- scb = (void *) skb->cb;
- len = scb->expect;
- }
-
- len = min(len, count);
-
- memcpy(skb_put(skb, len), data, len);
-
- scb->expect -= len;
- if (!scb->expect) {
- /* Complete frame */
- __reassembly(husb, type) = NULL;
- hci_recv_frame(skb);
- }
-
- count -= len; data += len;
- }
- return 0;
-}
-
-static void hci_usb_rx_complete(struct urb *urb, struct pt_regs *regs)