APPLIED: [PATCH 0/8][SRU][U] UBUNTU: SAUCE: Fix Realtek 8723DE disconnects unsolicitedly when Bluetooth is paired: Reason: 23=IEEE8021X_FAILED

[Seth Forshee]

On Fri, May 29, 2020 at 02:17:14PM +0800, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1878147
> 
> [Impact]
> Existing Wi-Fi connection may be deauthenticated unsolicitedly with
> reason 23=IEEE8021X_FAILED when the system is also paired with a
> Bluetooth device. A WLAN passphrase dialog propmpts, and system
> disconnects from network:
> 
>   wlp5s0: deauthenticated from a4:56:30:cc:0f:30 (Reason: 23=IEEE8021X_FAILED).
> 
> [Fix]
> Realtek proposed a fix[1] to linux-wireless consisting of three patches.
> 
>   rtw88: coex: 8723d: set antanna control owner
>   rtw88: coex: 8723d: handle BT inquiry cases
>   rtw88: fix EAPOL 4-way failure by finish IQK earlier
> 
> The third one actually duplicates the fix we have for bug 1871300 also
> from Realtek and was claimed critical to this issue, therefore those for
> bug 1871300 are reverted in favor of the new one.
> 
> Also revert that Ubuntu sauced "rtw88: 8723d: Add coex support" commit
> and replace it with the upstream one due to dependency to bt coex
> functionality.
> 
> [1]: https://lore.kernel.org/linux-wireless/20200518081444.7664-1-yhchuang@realtek.com/
> 
> [Test Case]
> 1. Associate to a WLAN,
> 2. Pair with some Bluetooth device, e.g. headset,
> 3. Run a stress test script to disconnect and reconnect Wi-Fi for 200
>    runs,
> 4. Make sure Wi-Fi passphrase dialog doesn't prompt at the end of the
>    test.
> 
> [Regression Potential]
> Low. These changes are mostly about rtl8723de or 11n, which is also for
> 8723de.

Applied to unstable/master, thanks!