Re: [PATCH] IB/ipoib: CSUM support in connected mode

Yuval Shaia
2015-07-30T20:09:08Z

On Thu, Jul 30, 2015 at 09:38:54AM -0700, Bart Van Assche wrote:
> On 07/30/2015 04:46 AM, Yuval Shaia wrote:
> > struct ipoib_cm_data {
> > __be32 qpn; /* High byte MUST be ignored on receive */
> > __be32 mtu;
> >+ __be16 sig; /* must be IPOIB_CM_PROTO_SIG */
> >+ __be16 caps; /* 4 bits proto ver and 12 bits capabilities */
> > };
>
> This patch modifies the private login data format that has been
> standardized by the IETF in RFC 4755. Has this modification already
> been discussed with the IETF ?
>
> See also https://tools.ietf.org/html/rfc4755#section-6.
Yes.
I first want to check how linux community react to this proposal.

Please note that though the standard specify 64 bits of data, the actual
data the driver reads/writes is can be up to 196 bytes.
>
> Bart.
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