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

[Michael S. Tsirkin]

> Quoting Or Gerlitz <ogerlitz at voltaire.com>:
> Subject: Re: [PATCH 6/11] IB/ipoib: add checksum offload?support
> 
> 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?!

Yes.

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MST