On Wed, Nov 10, 2021 at 08:57:35AM +0000, Geva, Erez wrote: > Hi, > > According to IEEE 1588 timeOfNextJump is 48 bits. > The alternate_time_offset_properties structure reserve the full 48 bits. > The pre and the post function do full handle. > But the rest handle only the low 32 bits. > > I can understand the PMC set use 32 bits only, but the rest?
The resolution of timeOfNextJump is one second. Twenty five bits of seconds is more then enough for a time zone change one year out. 32 bits allows time zone change 136 years in the future. Do we really need the high order bytes of the 48 bit field? Thanks, Richard _______________________________________________ Linuxptp-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linuxptp-devel
