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aa09939869
This adds support for setting the public address on Texas Instruments
Bluetooth chips using a vendor-specific command.
This has been tested on a CC2560A chip. The TI wiki also indicates that
this command should work on TI WL17xx/WL18xx Bluetooth chips.
During review, there was some question as to the correctness of the byte
swapping since TI's documentation is not clear on this matter. This can
be tested with the btmgmt utility from bluez. The adapter must be powered
off to change the address. If the baswap() is omitted, address is reversed.
In case there is a issue in the future, here is the output of btmon during
the command `btmgmt public-addr 00:11:22:33:44:55`:
Bluetooth monitor ver 5.43
= Note: Linux version 4.15.0-rc2-08561-gcb132a1-dirty (armv5tejl) 0.707043
= Note: Bluetooth subsystem version 2.22 0.707091
= New Index: 00:17:E7:BD:1C:8E (Primary,UART,hci0) [hci0] 0.707106
@ MGMT Open: btmgmt (privileged) version 1.14 {0x0002} 0.707124
@ MGMT Open: bluetoothd (privileged) version 1.14 {0x0001} 0.707137
@ MGMT Open: btmon (privileged) version 1.14 {0x0003} 0.707540
@ MGMT Command: Set Public Address (0x0039) plen 6 {0x0002} [hci0] 11.167991
Address: 00:11:22:33:44:55 (CIMSYS Inc)
@ MGMT Event: Command Complete (0x0001) plen 7 {0x0002} [hci0] 11.175681
Set Public Address (0x0039) plen 4
Status: Success (0x00)
Missing options: 0x00000000
@ MGMT Event: Index Removed (0x0005) plen 0 {0x0003} [hci0] 11.175757
@ MGMT Event: Index Removed (0x0005) plen 0 {0x0002} [hci0] 11.175757
@ MGMT Event: Index Removed (0x0005) plen 0 {0x0001} [hci0] 11.175757
= Open Index: 00:17:E7:BD:1C:8E [hci0] 11.176807
< HCI Command: Vendor (0x3f|0x0006) plen 6 [hci0] 11.176975
00 11 22 33 44 55 .."3DU
> HCI Event: Command Complete (0x0e) plen 4 [hci0] 11.188260
Vendor (0x3f|0x0006) ncmd 1
Status: Success (0x00)
...
< HCI Command: Read Local Version Info.. (0x04|0x0001) plen 0 [hci0] 11.189859
> HCI Event: Command Complete (0x0e) plen 12 [hci0] 11.190732
Read Local Version Information (0x04|0x0001) ncmd 1
Status: Success (0x00)
HCI version: Bluetooth 2.1 (0x04) - Revision 0 (0x0000)
LMP version: Bluetooth 2.1 (0x04) - Subversion 6431 (0x191f)
Manufacturer: Texas Instruments Inc. (13)
< HCI Command: Read BD ADDR (0x04|0x0009) plen 0 [hci0] 11.191027
> HCI Event: Command Complete (0x0e) plen 10 [hci0] 11.192101
Read BD ADDR (0x04|0x0009) ncmd 1
Status: Success (0x00)
Address: 00:11:22:33:44:55 (CIMSYS Inc)
...
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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| drivers | ||
| firmware | ||
| fs | ||
| include | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.