E Shattow wrote: > Improve function of Star64 bottom network port phy0 with updated delay values. > Initial upstream patches supporting Star64 use the same vendor board support > package parameters known to result in an unreliable bottom network port. > > Success acquiring DHCP lease and no dropped packets to ping LAN address: > rx 900: tx 1500 1650 1800 1950 > rx 750: tx 1650 1800 1950 > rx 600: tx 1800 1950 > rx 1050: tx 1650 1800 1950 > rx 1200: tx 1500 1650 1800 1950 > rx 1350: tx 1500 1650 1800 1950 > rx 1500: tx 1500 1650 1800 1950 > rx 1650: tx 1500 1650 1800 1950 > rx 1800: tx 1500 1650 1800 1950 > rx 1900: tx 1950 > rx 1950: tx 1950 > > Failure acquiring DHCP lease or many dropped packets: > rx 450: tx 1500 1800 1950 > rx 600: tx 1200 1350 1650 > rx 750: tx 1350 1500 > rx 900: tx 1200 1350 > rx 1050: tx 1050 1200 1350 1500 > rx 1200: tx 1350 > rx 1350: tx 1350 > rx 1500: tx 1200 1350 > rx 1650: tx 1050 1200 1350 > rx 1800: tx 1050 1200 1350 > rx 1900: tx 1500 1650 1800 > rx 1950: tx 1200 1350 > > Non-functional: > rx 0: tx 0 150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 > rx 150: tx 0 150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 > rx 300: tx 0 150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 > rx 450: tx 0 150 300 450 600 750 900 1050 1200 1350 1650 > rx 600: tx 0 150 300 450 600 750 900 1050 > rx 750: tx 0 150 300 450 600 750 900 1050 1200 > rx 900: tx 0 150 300 450 600 750 900 1050 > rx 1050: tx 0 150 300 450 600 750 900 > rx 1200: tx 0 150 300 450 600 750 900 1050 1200 > rx 1350: tx 0 150 300 450 600 750 900 1050 1200 > rx 1500: tx 0 150 300 450 600 750 900 1050 > rx 1650: tx 0 150 300 450 600 750 900 > rx 1800: tx 0 150 300 450 600 750 900 > rx 1900: tx 0 150 300 450 600 750 900 1050 1200 1350 > rx 1950: tx 0 150 300 450 600 750 900 1050 > > Selecting the median of all working rx delay values 1500 combined with tx delay > values 1500, 1650, 1800, and 1950 only the tx delay value of 1950 (default) is > reliable as tested in both Linux 6.11.2 and U-Boot v2024.10 > > Signed-off-by: E Shattow <e@xxxxxxxxxxxx> Thanks for working this out. Acked-by: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
