On 2/7/24 12:28 PM, Biju Das wrote: > TOE has hardware support for calculating IP header and TCP/UDP/ICMP > checksum for both IPv4 and IPv6. > > Add Tx checksum offload supported by TOE for IPv4 and TCP/UDP. > > For Tx, the result of checksum calculation is set to the checksum field of > each IPv4 Header/TCP/UDP/ICMP of ethernet frames. For the unsupported > frames, those fields are not changed. If a transmission frame is an UDPv4 > frame and its checksum value in the UDP header field is 0x0000, TOE does > not calculate checksum for UDP part of this frame as it is optional > function as per standards. > > We can test this functionality by the below commands > > ethtool -K eth0 tx on --> to turn on Tx checksum offload > ethtool -K eth0 tx off --> to turn off Tx checksum offload > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx> [...] MBR, Sergey
