Mike Ryan added the comment:
AF_BLUETOOTH also lacks support for hci_channel in sockaddr_hci for BTPROTO_HCI
sockets:
https://git.kernel.org/cgit/bluetooth/bluez.git/tree/lib/hci.h?h=5.37#n2340
This feature has been present in BlueZ since 2010:
https://git.kernel.org/cgit/bluetooth/bluez.git
New submission from Mike Ryan:
The AF_BLUETOOTH socket type lacks support for specifying CID and address type
in sockaddr_l2. These structure members have been present since 2009 and 2012
respectively:
https://git.kernel.org/cgit/bluetooth/bluez.git/commit/?id=3de95535
https://git.kernel.org
