[gnutls-help] [gnutls-devel] the problem about "stream usage" in dtls/sctp
nmav at gnutls.org
Sun May 14 14:59:46 CEST 2017
On Sun, 2017-05-14 at 13:05 +0100, Jeremy Harris wrote:
> On 14/05/17 08:43, Nikos Mavrogiannopoulos wrote:
> > The API however was designed for TCP/UDP and although there are few
> > instructions at , I'm not happy with that. We need simpler
> > functions
> > to handle SCTP.
> Somewhat related
> - the equivalent of send( , , , MSG_MORE). I could do it with a push
> function, but that's just more hassle and I'd only be using it for
> my application protocol startup sequence anyway.
You can use the gnutls_record_cork() and uncork functions for that.
Would that work for you, or did I miss the context?
> - would there be any benefit in a sendfile() equivalent? I assume
> for a userland/cpu driven session encryption engine - but are there
> any hardware engine implementations?
There is AF_KTLS  which can work with gnutls and can be used to
achieve sendfile-like functionality. However I do not know whether
something like that would ever reach mainline linux kernel. What
functionality/optimization do you have in mind?
More information about the Gnutls-help