Hi, On 06/08/2016 10:22 AM, Chandran, Sugesh wrote: >>> I guess the IP checksum also important as L4. In some cases, UDP >>> checksum is zero and no need to validate it. But Ip checksum is >>> present on all the packets and that must be validated all the time. >>> At higher packet rate, the ip checksum offload can offer slight performance >> improvement. What do you think?? >>> >> >> Agree, in some situations (and this is even more true with packet types / >> smartnics), the application could process without accessing the packet data >> if >> we keep the IP cksum flags. > [Sugesh] True, If that's the case, Will you considering to implement IP > checksum flags as well along with L4? > As you said , this will be useful when we offload packet lookup itself into > the NICs(May be > when using Flow director) ?
Yes, I plan to implement the same rx status flags (good, bad, unknown, none) for rx IP checksum too. Regards, Olivier
