On Tue, Mar 4, 2014 at 9:42 AM, Richard Cochran <richardcochran@xxxxxxxxx> wrote: > On Tue, Mar 04, 2014 at 09:21:47AM -0800, Andy Lutomirski wrote: >> >> In theory, the driver could stop reporting timestamps if >> SOF_TIMESTAMPING_RAW_HARDWARE: and SOF_TIMESTAMPING_SYS_HARDWARE >> aren't set. I don't see why SOF_TIMESTAMPING_RX_HARDWARE would make >> any sense in this context. > > AFAICT, the intent was that the former are handled by the stack, while > the latter is handled by the driver. I suspect that any attempt to implement this will break userspace -- there must be programs my now (like mine!) that set SOF_TIMESTAMPING_SYS_HARDWARE but not SOF_TIMESTAMPING_RX_HARDWARE. I'll write a documentation patch. --Andy -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html