> > ---------------------------------------------------------------------- > On Sun, Jan 24, 2021 at 01:43:57PM +0200, stef...@marvell.com wrote: > > +/* Set Flow Control timer x140 faster than pause quanta to ensure > > +that link > > + * partner won't send taffic if port in XOFF mode. > > Can you explain more why 140 times faster is desirable here? Why 140 times > and not, say, 10 times faster? Where does this figure come from, and what is > the reasoning? Is there a switch that requires it?
I tested with 140. Actually regarding to spec each quanta should be equal to 512 bit times. In 10G bit time is 0.1ns. So It actually should be: FC_CLK_DIVIDER = 10000 / 512 = ~20. I took some buffer and made it 140. So maybe I can do it 100? Regards, Stefan.
