[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>

1 files changed, 8 insertions, 8 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index ffa26c10bf..4f9e11b533 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -191,7 +191,7 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
 
         /* Special commands */
         while ((skb = skb_dequeue(&hdev->driver_init))) {
-                skb->pkt_type = HCI_COMMAND_PKT;
+                bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
                 skb->dev = (void *) hdev;
                 skb_queue_tail(&hdev->cmd_q, skb);
                 hci_sched_cmd(hdev);
@@ -995,7 +995,7 @@ static int hci_send_frame(struct sk_buff *skb)
                 return -ENODEV;
         }
 
-        BT_DBG("%s type %d len %d", hdev->name, skb->pkt_type, skb->len);
+        BT_DBG("%s type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
 
         if (atomic_read(&hdev->promisc)) {
                 /* Time stamp */
@@ -1034,7 +1034,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 ogf, __u16 ocf, __u32 plen, void *p
 
         BT_DBG("skb len %d", skb->len);
 
-        skb->pkt_type = HCI_COMMAND_PKT;
+        bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
         skb->dev = (void *) hdev;
         skb_queue_tail(&hdev->cmd_q, skb);
         hci_sched_cmd(hdev);
@@ -1081,7 +1081,7 @@ int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags)
         BT_DBG("%s conn %p flags 0x%x", hdev->name, conn, flags);
 
         skb->dev = (void *) hdev;
-        skb->pkt_type = HCI_ACLDATA_PKT;
+        bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
         hci_add_acl_hdr(skb, conn->handle, flags | ACL_START);
 
         if (!(list = skb_shinfo(skb)->frag_list)) {
@@ -1103,7 +1103,7 @@ int hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags)
                         skb = list; list = list->next;
                         
                         skb->dev = (void *) hdev;
-                        skb->pkt_type = HCI_ACLDATA_PKT;
+                        bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
                         hci_add_acl_hdr(skb, conn->handle, flags | ACL_CONT);
 
                         BT_DBG("%s frag %p len %d", hdev->name, skb, skb->len);
@@ -1139,7 +1139,7 @@ int hci_send_sco(struct hci_conn *conn, struct sk_buff *skb)
         memcpy(skb->h.raw, &hdr, HCI_SCO_HDR_SIZE);
 
         skb->dev = (void *) hdev;
-        skb->pkt_type = HCI_SCODATA_PKT;
+        bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
         skb_queue_tail(&conn->data_q, skb);
         hci_sched_tx(hdev);
         return 0;
@@ -1369,7 +1369,7 @@ void hci_rx_task(unsigned long arg)
 
                 if (test_bit(HCI_INIT, &hdev->flags)) {
                         /* Don't process data packets in this states. */
-                        switch (skb->pkt_type) {
+                        switch (bt_cb(skb)->pkt_type) {
                         case HCI_ACLDATA_PKT:
                         case HCI_SCODATA_PKT:
                                 kfree_skb(skb);
@@ -1378,7 +1378,7 @@ void hci_rx_task(unsigned long arg)
                 }
 
                 /* Process frame */
-                switch (skb->pkt_type) {
+                switch (bt_cb(skb)->pkt_type) {
                 case HCI_EVENT_PKT:
                         hci_event_packet(hdev, skb);
                         break;