Chris Chiu <chiu@xxxxxxxxxxxx> wrote: > The RTL8723BU suffers the wifi disconnection problem while bluetooth > device connected. While wifi is doing tx/rx, the bluetooth will scan > without results. This is due to the wifi and bluetooth share the same > single antenna for RF communication and they need to have a mechanism > to collaborate. > > BT information is provided via the packet sent from co-processor to > host (C2H). It contains the status of BT but the rtl8723bu_handle_c2h > dose not really handle it. And there's no bluetooth coexistence > mechanism to deal with it. > > This commit adds a workqueue to set the tdma configurations and > coefficient table per the parsed bluetooth link status and given > wifi connection state. The tdma/coef table comes from the vendor > driver code of the RTL8192EU and RTL8723BU. However, this commit is > only for single antenna scenario which RTL8192EU is default dual > antenna. The rtl8xxxu_parse_rxdesc24 which invokes the handle_c2h > is only for 8723b and 8192e so the mechanism is expected to work > on both chips with single antenna. Note RTL8192EU dual antenna is > not supported. > > Signed-off-by: Chris Chiu <chiu@xxxxxxxxxxxx> As Jes was positive about this in v1 and had only cosmetic comments, I'm planning to apply this. If there are any changes needed, those can be fixed in a followup patch. -- https://patchwork.kernel.org/patch/11140223/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
