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Bluetooth: Add a structure to carry ERTM data in skb control blocks 

Every field from ERTM control headers is now carried in the control
block so it only has to be parsed or generated once, and can be
efficiently accessed throughout the ERTM code.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
This commit is contained in:
Mat Martineau 2012-03-23 16:56:56 -07:00 committed by Gustavo Padovan
parent d5f7ac3810
commit 00e3112c5a
1 changed files with 13 additions and 0 deletions
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13
include/net/bluetooth/bluetooth.h
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@ -215,6 +215,18 @@ void bt_accept_unlink(struct sock *sk);
struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
/* Skb helpers */
struct l2cap_ctrl {
unsigned int sframe : 1,
poll : 1,
final : 1,
fcs : 1,
sar : 2,
super : 2;
__u16 reqseq;
__u16 txseq;
__u8 retries;
};
struct bt_skb_cb {
__u8 pkt_type;
__u8 incoming;
@ -223,6 +235,7 @@ struct bt_skb_cb {
__u8 retries;
__u8 sar;
__u8 force_active;
struct l2cap_ctrl control;
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))