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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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12
drivers/bluetooth/bt3c_cs.c
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@ -259,11 +259,11 @@ static void bt3c_receive(bt3c_info_t *info)
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
info->rx_skb->dev = (void *) info->hdev;
info->rx_skb->pkt_type = inb(iobase + DATA_L);
bt_cb(info->rx_skb)->pkt_type = inb(iobase + DATA_L);
inb(iobase + DATA_H);
//printk("bt3c: PACKET_TYPE=%02x\n", info->rx_skb->pkt_type);
//printk("bt3c: PACKET_TYPE=%02x\n", bt_cb(info->rx_skb)->pkt_type);
switch (info->rx_skb->pkt_type) {
switch (bt_cb(info->rx_skb)->pkt_type) {
case HCI_EVENT_PKT:
info->rx_state = RECV_WAIT_EVENT_HEADER;
@ -282,7 +282,7 @@ static void bt3c_receive(bt3c_info_t *info)
default:
/* Unknown packet */
BT_ERR("Unknown HCI packet with type 0x%02x received", info->rx_skb->pkt_type);
BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
info->hdev->stat.err_rx++;
clear_bit(HCI_RUNNING, &(info->hdev->flags));
@ -439,7 +439,7 @@ static int bt3c_hci_send_frame(struct sk_buff *skb)
info = (bt3c_info_t *) (hdev->driver_data);
switch (skb->pkt_type) {
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
break;
@ -452,7 +452,7 @@ static int bt3c_hci_send_frame(struct sk_buff *skb)
};
/* Prepend skb with frame type */
memcpy(skb_push(skb, 1), &(skb->pkt_type), 1);
memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
skb_queue_tail(&(info->txq), skb);
spin_lock_irqsave(&(info->lock), flags);