[Bug 202515] Bluetooth LE Extended Connect returning Command Disallowed

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=202515

--- Comment #2 from Johan Hedberg (johan.hedberg@gmail.com) ---
According to the Bluetooth core spec, HCI_LE_Extended_Create_Connection is
octet 37, bit 7 in the supported commands mask. In the supported commands that
your controller returns octet 37 is 0xdf which does have bit 7 set, i.e. it's
claiming to support the extended version of the command. The way this kind of
issues are normally worked around is by introducing a so-called quirk flag that
gets set (usually by the HCI driver) when a problematic controller is
identified. It might be worth checking first however if there's a newer
firmware available for your controller - perhaps the issue has already been
fixed.

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