[ofa-general] Re: [PATCH 6/11] IB/ipoib: add checksum offload support

Or Gerlitz ogerlitz at voltaire.com
Tue Sep 25 06:08:59 PDT 2007


Michael S. Tsirkin wrote:
>> I am not with you. Does the connectX actually computes and inserts 
>> tcp/udp checksum on outgoing packets?

> ConnectX can only compute checksum for TCP and UDP protocols
> for datagram packets. That's what Eli's patches enable.

So for datagram mode (ie UD QP) the connectX HW does support computing 
the TCP and UDP checksum and inserting them to the on-the-wire-packet?!

Or.




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