net: bluetooth: compact struct bt_skb_cb by converting boolean fields to bit fields
Convert boolean fields incoming and req_start to bit fields and move
force_active in order save space in bt_skb_cb in an effort to use
a portion of skb->cb[] for storing skb->dropcount.
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 0989366..4500bf8 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -277,11 +277,11 @@
struct bt_skb_cb {
__u8 pkt_type;
- __u8 incoming;
+ __u8 force_active;
__u16 opcode;
__u16 expect;
- __u8 force_active;
- bool req_start;
+ __u8 incoming:1;
+ __u8 req_start:1;
u8 req_event;
hci_req_complete_t req_complete;
struct l2cap_chan *chan;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 85a0655..80f40e8 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3517,7 +3517,7 @@
/* Stand-alone HCI commands must be flagged as
* single-command requests.
*/
- bt_cb(skb)->req_start = true;
+ bt_cb(skb)->req_start = 1;
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index db2f45a..f857e76 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -116,7 +116,7 @@
}
if (skb_queue_empty(&req->cmd_q))
- bt_cb(skb)->req_start = true;
+ bt_cb(skb)->req_start = 1;
bt_cb(skb)->req_event = event;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index f003818..37198fb 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -965,7 +965,7 @@
/* Stand-alone HCI commands must be flagged as
* single-command requests.
*/
- bt_cb(skb)->req_start = true;
+ bt_cb(skb)->req_start = 1;
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);