On 5.11.2024 7:04 PM, Raj Kumar Bhagat wrote: > The QCN9274 WiFi device supports WSI (WLAN Serial Interface). WSI is used > to exchange specific control information across radios using a doorbell > mechanism. This WSI connection is essential for exchanging control > information among these devices. The WSI interface in the QCN9274 includes > TX and RX ports, which are used to connect multiple WSI-supported devices > together, forming a WSI group. > > Describe QCN9274 PCI wifi device with WSI interface. > > Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@xxxxxxxxxxx> > --- I think this description is missing the key points: * what is that control information (power, data, radio stuff?) * what happens when the OS is unaware of all of this (i.e. what happens when we don't send any configuration) * is this configurable, or does this describe a physical wiring topology (what/who decides which of the group configurations detailed below take effect) And the ultimate question: * can the devices not just talk among themselves and negotiate that? Though AFAICU PCIe P2P communication is a shaky topic, so perhaps the answer to the last question is 'no' Konrad
