From: Johan Hedberg <johan.hedberg@xxxxxxxxx> This patch adds convenience macros for reading Three-wire header values. This will help make the code more readable. Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx> --- drivers/bluetooth/hci_h5.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index f9ab29d..5fec2b3 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -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 -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
