[Bluetooth]: Move packet type into the SKB control buffer
This patch moves the usage of packet type into the SKB control
buffer. After this patch it is now possible to shrink the sk_buff
structure and redefine its pkt_type.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 4aa5dff..52cbd45 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -107,7 +107,7 @@
vhci = hdev->driver_data;
- memcpy(skb_push(skb, 1), &skb->pkt_type, 1);
+ memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
skb_queue_tail(&vhci->readq, skb);
if (vhci->flags & VHCI_FASYNC)
@@ -141,7 +141,7 @@
}
skb->dev = (void *) vhci->hdev;
- skb->pkt_type = *((__u8 *) skb->data);
+ bt_cb(skb)->pkt_type = *((__u8 *) skb->data);
skb_pull(skb, 1);
hci_recv_frame(skb);
@@ -164,18 +164,18 @@
vhci->hdev->stat.byte_tx += len;
- switch (skb->pkt_type) {
- case HCI_COMMAND_PKT:
- vhci->hdev->stat.cmd_tx++;
- break;
+ switch (bt_cb(skb)->pkt_type) {
+ case HCI_COMMAND_PKT:
+ vhci->hdev->stat.cmd_tx++;
+ break;
- case HCI_ACLDATA_PKT:
- vhci->hdev->stat.acl_tx++;
- break;
+ case HCI_ACLDATA_PKT:
+ vhci->hdev->stat.acl_tx++;
+ break;
- case HCI_SCODATA_PKT:
- vhci->hdev->stat.cmd_tx++;
- break;
+ case HCI_SCODATA_PKT:
+ vhci->hdev->stat.cmd_tx++;
+ break;
};
return total;