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Bluetooth: Refactor HCI request variables into own struct

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In order to shrink the size of bt_skb_cb, this patch moves the HCI
request related variables into their own req_ctrl struct. Additionall
the L2CAP and HCI request structs are placed inside the same union since
they will never be used at the same time for the same skb.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2015-03-30 23:21:02 +03:00 • committed by Marcel Holtmann
parent a4368ff3ed
commit db6e3e8d01
5 changed files with 22 additions and 16 deletions
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14
include/net/bluetooth/bluetooth.h
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@ -278,16 +278,22 @@ struct hci_dev;
typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status, u16 opcode);
struct req_ctrl {
bool start;
u8 event;
hci_req_complete_t complete;
};
struct bt_skb_cb {
__u8 pkt_type;
__u8 force_active;
__u16 opcode;
__u16 expect;
__u8 incoming:1;
__u8 req_start:1;
u8 req_event;
hci_req_complete_t req_complete;
struct l2cap_ctrl l2cap;
union {
struct l2cap_ctrl l2cap;
struct req_ctrl req;
};
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))