diff options
| author |   Andrei Emeltchenko <andrei.emeltchenko@intel.com> | 2011-10-17 12:19:56 +0300 |
|---|---|---|
| committer |   Gustavo F. Padovan <padovan@profusion.mobi> | 2011-10-17 17:58:08 -0200 |
| commit | 88843ab06b6f279bff1c32e4218541ac7efe2600 (patch) | |
| tree | c0c5deba9b605b05039bccfc1d36b6919b5706e1 /include/net/bluetooth/l2cap.h | |
| parent | Bluetooth: Fix missing cmd_status in mgmt (diff) | |
| download | linux-dev-88843ab06b6f279bff1c32e4218541ac7efe2600.tar.xz linux-dev-88843ab06b6f279bff1c32e4218541ac7efe2600.zip | |
Bluetooth: EWS: handling different Control fields
There are three different Control Field formats: the Standard Control
Field, the Enhanced Control Field, and the Extended Control Field.
Patch adds function to handle all those fields seamlessly.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'include/net/bluetooth/l2cap.h')
| -rw-r--r-- | include/net/bluetooth/l2cap.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index e67ecd12df8c..41f0906649ee 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -27,6 +27,8 @@ #ifndef __L2CAP_H #define __L2CAP_H +#include <asm/unaligned.h> + /* L2CAP defaults */ #define L2CAP_DEFAULT_MTU 672 #define L2CAP_DEFAULT_MIN_MTU 48 @@ -684,6 +686,32 @@ static inline bool __is_ctrl_poll(struct l2cap_chan *chan, __u32 ctrl) else return ctrl & L2CAP_CTRL_POLL; } + +static inline __u32 __get_control(struct l2cap_chan *chan, void *p) +{ + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + return get_unaligned_le32(p); + else + return get_unaligned_le16(p); +} + +static inline void __put_control(struct l2cap_chan *chan, __u32 control, + void *p) +{ + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + return put_unaligned_le32(control, p); + else + return put_unaligned_le16(control, p); +} + +static inline __u8 __ctrl_size(struct l2cap_chan *chan) +{ + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + return L2CAP_EXT_HDR_SIZE - L2CAP_HDR_SIZE; + else + return L2CAP_ENH_HDR_SIZE - L2CAP_HDR_SIZE; +} + extern int disable_ertm; int l2cap_init_sockets(void); |