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-rw-r--r--drivers/bluetooth/hci_usb.c88
-rw-r--r--drivers/bluetooth/hci_usb.h5
2 files changed, 4 insertions, 89 deletions
diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c
index 7e04dd69f609..59b054810ed0 100644
--- a/drivers/bluetooth/hci_usb.c
+++ b/drivers/bluetooth/hci_usb.c
@@ -199,7 +199,6 @@ static void hci_usb_tx_complete(struct urb *urb);
199#define __pending_q(husb, type) (&husb->pending_q[type-1]) 199#define __pending_q(husb, type) (&husb->pending_q[type-1])
200#define __completed_q(husb, type) (&husb->completed_q[type-1]) 200#define __completed_q(husb, type) (&husb->completed_q[type-1])
201#define __transmit_q(husb, type) (&husb->transmit_q[type-1]) 201#define __transmit_q(husb, type) (&husb->transmit_q[type-1])
202#define __reassembly(husb, type) (husb->reassembly[type-1])
203 202
204static inline struct _urb *__get_completed(struct hci_usb *husb, int type) 203static inline struct _urb *__get_completed(struct hci_usb *husb, int type)
205{ 204{
@@ -429,12 +428,6 @@ static void hci_usb_unlink_urbs(struct hci_usb *husb)
429 kfree(urb->transfer_buffer); 428 kfree(urb->transfer_buffer);
430 _urb_free(_urb); 429 _urb_free(_urb);
431 } 430 }
432
433 /* Release reassembly buffers */
434 if (husb->reassembly[i]) {
435 kfree_skb(husb->reassembly[i]);
436 husb->reassembly[i] = NULL;
437 }
438 } 431 }
439} 432}
440 433
@@ -671,83 +664,6 @@ static int hci_usb_send_frame(struct sk_buff *skb)
671 return 0; 664 return 0;
672} 665}
673 666
674static inline int __recv_frame(struct hci_usb *husb, int type, void *data, int count)
675{
676 BT_DBG("%s type %d data %p count %d", husb->hdev->name, type, data, count);
677
678 husb->hdev->stat.byte_rx += count;
679
680 while (count) {
681 struct sk_buff *skb = __reassembly(husb, type);
682 struct { int expect; } *scb;
683 int len = 0;
684
685 if (!skb) {
686 /* Start of the frame */
687
688 switch (type) {
689 case HCI_EVENT_PKT:
690 if (count >= HCI_EVENT_HDR_SIZE) {
691 struct hci_event_hdr *h = data;
692 len = HCI_EVENT_HDR_SIZE + h->plen;
693 } else
694 return -EILSEQ;
695 break;
696
697 case HCI_ACLDATA_PKT:
698 if (count >= HCI_ACL_HDR_SIZE) {
699 struct hci_acl_hdr *h = data;
700 len = HCI_ACL_HDR_SIZE + __le16_to_cpu(h->dlen);
701 } else
702 return -EILSEQ;
703 break;
704#ifdef CONFIG_BT_HCIUSB_SCO
705 case HCI_SCODATA_PKT:
706 if (count >= HCI_SCO_HDR_SIZE) {
707 struct hci_sco_hdr *h = data;
708 len = HCI_SCO_HDR_SIZE + h->dlen;
709 } else
710 return -EILSEQ;
711 break;
712#endif
713 }
714 BT_DBG("new packet len %d", len);
715
716 skb = bt_skb_alloc(len, GFP_ATOMIC);
717 if (!skb) {
718 BT_ERR("%s no memory for the packet", husb->hdev->name);
719 return -ENOMEM;
720 }
721 skb->dev = (void *) husb->hdev;
722 bt_cb(skb)->pkt_type = type;
723
724 __reassembly(husb, type) = skb;
725
726 scb = (void *) skb->cb;
727 scb->expect = len;
728 } else {
729 /* Continuation */
730 scb = (void *) skb->cb;
731 len = scb->expect;
732 }
733
734 len = min(len, count);
735
736 memcpy(skb_put(skb, len), data, len);
737
738 scb->expect -= len;
739 if (!scb->expect) {
740 /* Complete frame */
741 __reassembly(husb, type) = NULL;
742 bt_cb(skb)->pkt_type = type;
743 hci_recv_frame(skb);
744 }
745
746 count -= len; data += len;
747 }
748 return 0;
749}
750
751static void hci_usb_rx_complete(struct urb *urb) 667static void hci_usb_rx_complete(struct urb *urb)
752{ 668{
753 struct _urb *_urb = container_of(urb, struct _urb, urb); 669 struct _urb *_urb = container_of(urb, struct _urb, urb);
@@ -776,7 +692,7 @@ static void hci_usb_rx_complete(struct urb *urb)
776 urb->iso_frame_desc[i].actual_length); 692 urb->iso_frame_desc[i].actual_length);
777 693
778 if (!urb->iso_frame_desc[i].status) 694 if (!urb->iso_frame_desc[i].status)
779 __recv_frame(husb, _urb->type, 695 hci_recv_fragment(husb->hdev, _urb->type,
780 urb->transfer_buffer + urb->iso_frame_desc[i].offset, 696 urb->transfer_buffer + urb->iso_frame_desc[i].offset,
781 urb->iso_frame_desc[i].actual_length); 697 urb->iso_frame_desc[i].actual_length);
782 } 698 }
@@ -784,7 +700,7 @@ static void hci_usb_rx_complete(struct urb *urb)
784 ; 700 ;
785#endif 701#endif
786 } else { 702 } else {
787 err = __recv_frame(husb, _urb->type, urb->transfer_buffer, count); 703 err = hci_recv_fragment(husb->hdev, _urb->type, urb->transfer_buffer, count);
788 if (err < 0) { 704 if (err < 0) {
789 BT_ERR("%s corrupted packet: type %d count %d", 705 BT_ERR("%s corrupted packet: type %d count %d",
790 husb->hdev->name, _urb->type, count); 706 husb->hdev->name, _urb->type, count);
diff --git a/drivers/bluetooth/hci_usb.h b/drivers/bluetooth/hci_usb.h
index 963fc55cdc85..56cd3a92ceca 100644
--- a/drivers/bluetooth/hci_usb.h
+++ b/drivers/bluetooth/hci_usb.h
@@ -102,9 +102,9 @@ struct hci_usb {
102 struct hci_dev *hdev; 102 struct hci_dev *hdev;
103 103
104 unsigned long state; 104 unsigned long state;
105 105
106 struct usb_device *udev; 106 struct usb_device *udev;
107 107
108 struct usb_host_endpoint *bulk_in_ep; 108 struct usb_host_endpoint *bulk_in_ep;
109 struct usb_host_endpoint *bulk_out_ep; 109 struct usb_host_endpoint *bulk_out_ep;
110 struct usb_host_endpoint *intr_in_ep; 110 struct usb_host_endpoint *intr_in_ep;
@@ -116,7 +116,6 @@ struct hci_usb {
116 __u8 ctrl_req; 116 __u8 ctrl_req;
117 117
118 struct sk_buff_head transmit_q[4]; 118 struct sk_buff_head transmit_q[4];
119 struct sk_buff *reassembly[4]; /* Reassembly buffers */
120 119
121 rwlock_t completion_lock; 120 rwlock_t completion_lock;
122 121