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Commit 01977c0b authored by Johan Hedberg's avatar Johan Hedberg Committed by Gustavo Padovan
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Bluetooth: Add Three-wire header value convenience macros 



This patch adds convenience macros for reading Three-wire header values.
This will help make the code more readable.

Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
parent c0a1b73c

drivers/bluetooth/hci_h5.c

+8 −0
Original line number Diff line number Diff line
@@ -43,6 +43,14 @@ 
 */

#define H5_MAX_LEN (4 + 0xfff + 2)



/* Convenience macros for reading Three-wire header values */

#define H5_HDR_SEQ(hdr)		((hdr)[0] & 0x07)

#define H5_HDR_ACK(hdr)		(((hdr)[0] >> 3) & 0x07)

#define H5_HDR_CRC(hdr)		(((hdr)[0] >> 6) & 0x01)

#define H5_HDR_RELIABLE(hdr)	(((hdr)[0] >> 7) & 0x01)

#define H5_HDR_PKT_TYPE(hdr)	((hdr)[1] & 0x0f)

#define H5_HDR_LEN(hdr)		((((hdr)[1] >> 4) & 0xff) + ((hdr)[2] << 4))



#define SLIP_DELIMITER	0xc0

#define SLIP_ESC	0xdb

#define SLIP_ESC_DELIM	0xdc