desprately need the ethtool support and i am loking for all options of ethtool for changing NIC parameters

interface parameters is ‘ethtool -C eth0 adaptive-rx off
adaptive-tx off rx-usecs 20 rx-frames 5 tx-usecs 60 tx-

The Linux command to improvement in the processing of UDP traffic from the
do this is “ethtool -G eth0 rx 511 rx-jumbo 255 tx 511’. tuning, at all message rates.
to be precise ineed all upper changes to tune my nic.
but the ethtool options not working properly.

[root@ddit-cgl Desktop]# ethtool -c eth0
Coalesce parameters for eth0:
Cannot get device coalesce settings: Operation not supported
[root@ddit-cgl Desktop]# ethtool -g eth0
Ring parameters for eth0:
Cannot get device ring settings: Operation not supported
[root@ddit-cgl Desktop]# ethtool -G eth0
Cannot get device ring settings: Operation not supported
plz reply soon. thanks

Not all NICs allow tuning those settings, and even the NICs that do don't always have Linux drivers that support it. It looks like your NIC falls into one (or both) of those categories.