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[Bluetooth]: Move packet type into the SKB control buffer

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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>
This commit is contained in:
Marcel Holtmann
2005-08-09 20:30:28 -07:00
committed by David S. Miller
parent 2eb25a6c34
commit 0d48d93947
15 changed files with 96 additions and 92 deletions
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24
drivers/bluetooth/hci_vhci.c
View File

@@ -107,7 +107,7 @@ static int vhci_send_frame(struct sk_buff *skb)
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 @@ static inline ssize_t vhci_get_user(struct vhci_data *vhci,
}
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 @@ static inline ssize_t vhci_put_user(struct vhci_data *vhci,
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;