On Fri, Nov 08, 2019 at 07:08:39PM +0000, Ohms, Jannis wrote: > I have a system consisting of 1 to N NICs each containing a PHC each > registered as a ptp device. Each phc is a slave to a different master. > I need to get the time of each phc and perform some arithmetic on the values. > I want to implement this in kernel space.
Can't imagine why. > I thought about writing a device driver for a chardev or a proc > file. But those are use space interfaces. You wanted a kernel space interface. > This driver would perform the required operations in a critical section which > can not be interrupted. > Is there an API for kernel space access to the phcs ? No, there is no such API. > PS I excuse in advance if this is a topic for the development list This topic is about the design of the kernel, and so it would be a topic for the lkml or the netdev list. Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
