[RFC PATCH v0 2/6] Bluetooth: Add helper function to get the uuid type
From: Syam Sidhardhan <hidden>
Date: 2013-01-24 05:57:55
Subsystem:
bluetooth subsystem, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
This function will return the particular uuid type Signed-off-by: Syam Sidhardhan <redacted> Tested-by: Chan-yeol Park <redacted> --- net/bluetooth/mgmt.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 4fd45a3..0f32986 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c@@ -37,6 +37,10 @@ bool enable_hs; #define MGMT_VERSION 1 #define MGMT_REVISION 2 +#define EIR_TYPE_UUID16 1 +#define EIR_TYPE_UUID32 2 +#define EIR_TYPE_UUID128 3 + static const u16 mgmt_commands[] = { MGMT_OP_READ_INDEX_LIST, MGMT_OP_READ_INFO,
@@ -440,6 +444,23 @@ static u8 bluetooth_base_uuid[] = { 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; +static int get_uuid_type(u8 *uuid128) +{ + u32 val; + int i; + + for (i = 0; i < 12; i++) { + if (bluetooth_base_uuid[i] != uuid128[i]) + return EIR_TYPE_UUID128; + } + + val = get_unaligned_le32(&uuid128[12]); + if (val > 0xffff) + return EIR_TYPE_UUID32; + else + return EIR_TYPE_UUID16; +} + static u16 get_uuid16(u8 *uuid128) { u32 val;
--
1.7.9.5