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net: bluetooth: compact struct bt_skb_cb by converting boolean fields to bit fields

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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>
This commit is contained in:
Eyal Birger 2015-03-01 14:58:26 +02:00 committed by David S. Miller
parent 49a6fe0557
commit 6368c23577
4 changed files with 6 additions and 6 deletions
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6
include/net/bluetooth/bluetooth.h
View File

@ -277,11 +277,11 @@ typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
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;

2
net/bluetooth/hci_core.c
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@ -3517,7 +3517,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
/* 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);

2
net/bluetooth/hci_request.c
View File

@ -116,7 +116,7 @@ void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
}
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;

2
net/bluetooth/hci_sock.c
View File

@ -965,7 +965,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
/* 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);