> provides data path (IPv4 or IPv6 packets) and flow control. But GPRS context > credentials, IP/DNS parameters, setup/teardown, etc, are missing. I am not > sure where the user/kernel split should be here... As much as possible in user space for set up and tear down processing of connections (negotiation etc). I've been poking in the background at a kernel side GSM mux implementation but keep getting side tracked into other work. other than the mux (where you have 3G stuff with high data rates to demux efficiently) I'm not sure much else should be kernel side. User space platform code yes - kernel no. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html