ethtool --offload

       ethtool --show-offload  enahisic2i3
  ethtool --show-offload  enahisic2i3 | grep checksum offload
  ethtool --show-offload  enahisic2i3 | grep checksum
  ethtool --offload enahisic2i3 rx off tx off
  ethtool --offload enahisic2i3 rx on tx on

 

 

[root@bogon tcp]# ethtool --offload enahisic2i3 rx off tx off
Actual changes:
rx-checksumming: off
tx-checksumming: off
        tx-checksum-ipv4: off
        tx-checksum-ipv6: off
tcp-segmentation-offload: off
        tx-tcp-segmentation: off [requested on]
        tx-tcp6-segmentation: off [requested on]
[root@bogon tcp]# ethtool --offload enahisic2i3 rx on tx on
Actual changes:
rx-checksumming: on
tx-checksumming: on
        tx-checksum-ipv4: on
        tx-checksum-ipv6: on
tcp-segmentation-offload: on
        tx-tcp-segmentation: on
        tx-tcp6-segmentation: on
[root@bogon tcp]#