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Bluetooth: EWS: rewrite L2CAP ERTM txseq calculation

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L2CAP ERTM txseq calculation uses now information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Andrei Emeltchenko
2011-10-11 13:37:47 +03:00
committed by Gustavo F. Padovan
parent 0b209fae88
commit fb45de7dba
2 changed files with 38 additions and 20 deletions
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36
include/net/bluetooth/l2cap.h
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@ -316,7 +316,7 @@ struct l2cap_conn_param_update_rsp {
/* ----- L2CAP channels and connections ----- */
struct srej_list {
__u8 tx_seq;
__u16 tx_seq;
struct list_head list;
};
@ -362,14 +362,14 @@ struct l2cap_chan {
unsigned long conn_state;
unsigned long flags;
__u8 next_tx_seq;
__u8 expected_ack_seq;
__u8 expected_tx_seq;
__u8 buffer_seq_srej;
__u8 srej_save_reqseq;
__u8 frames_sent;
__u8 unacked_frames;
__u16 next_tx_seq;
__u16 expected_ack_seq;
__u16 expected_tx_seq;
__u16 buffer_seq;
__u16 buffer_seq_srej;
__u16 srej_save_reqseq;
__u16 frames_sent;
__u16 unacked_frames;
__u8 retry_count;
__u8 num_acked;
__u16 sdu_len;
@ -529,7 +529,25 @@ static inline __u32 __set_reqseq(struct l2cap_chan *chan, __u32 reqseq)
else
return (reqseq << L2CAP_CTRL_REQSEQ_SHIFT) & L2CAP_CTRL_REQSEQ;
}
#define __get_txseq(ctrl) (((ctrl) & L2CAP_CTRL_TXSEQ) >> 1)
static inline __u16 __get_txseq(struct l2cap_chan *chan, __u32 ctrl)
{
if (test_bit(FLAG_EXT_CTRL, &chan->flags))
return (ctrl & L2CAP_EXT_CTRL_TXSEQ) >>
L2CAP_EXT_CTRL_TXSEQ_SHIFT;
else
return (ctrl & L2CAP_CTRL_TXSEQ) >> L2CAP_CTRL_TXSEQ_SHIFT;
}
static inline __u32 __set_txseq(struct l2cap_chan *chan, __u32 txseq)
{
if (test_bit(FLAG_EXT_CTRL, &chan->flags))
return (txseq << L2CAP_EXT_CTRL_TXSEQ_SHIFT) &
L2CAP_EXT_CTRL_TXSEQ;
else
return (txseq << L2CAP_CTRL_TXSEQ_SHIFT) & L2CAP_CTRL_TXSEQ;
}
#define __is_iframe(ctrl) (!((ctrl) & L2CAP_CTRL_FRAME_TYPE))
#define __is_sframe(ctrl) ((ctrl) & L2CAP_CTRL_FRAME_TYPE)
static inline __u8 __get_ctrl_sar(struct l2cap_chan *chan, __u32 ctrl)