[strongSwan] [KNL] received netlink error: No such file or directory (2) - unable to add SAD entry with SPI

[ck+strongswanusers at bl4ckb0x.de]

Hi Thomas!
Sorry for my delay.

> Thomas Egerer <hakke_007 at gmx.de> hat am 29. Dezember 2015 um 21:57
> geschrieben:
> 
> 
> On 12/29/2015 04:11 PM, Conrad Kostecki wrote:
> > Hi Thomas!
> > 
> > Am 29.12.2015 um 00:12 schrieb Thomas Egerer:
> >> btw, I forgot.
> >> As root, try to run
> >>
> >> ip x s add \
> >>
> >>
> >>      src ::0 \
> >>      dst ::0 \
> >>      proto esp spi 0xC0123456 mode tunnel \
> >>      reqid 1 \
> >>      enc 'aes'
> >> 0x0102030405060708010203040506070801020304050607080102030405060708 \
> >>      auth 'sha1' 0x0102030405060708090a0b0c0d0e0f0001020304
> >>
> >> and see if this succeeds.
> > 
> > That one fails for me.
> > -> RTNETLINK answers: No such file or directory
> Gotcha! That's exactly what I was hoping for. It does not mean we've
> solved the issue yet, but we can definitely rule out a problem with the
> ike daemon at this point. It's most likeley your kernel configuration
> which is missing an configuration option. Have you hand-rolled your
> kernel or used the Gentoo-supplied version of the .config?
> I have the feeling -- don't know why -- the IV-generator is missing.

Bingo! You are right. I seems, that I've overseen this somehow. After
recompiling my kernel, the connection is now working.

Many Thanks!
Conrad

> Can you post your kernel config? And the LKM-option I posted before,
> might still give us a clue what's missing.
> 
> Cheers,
> Thomas
> 
> > 
> >> If this works then apparently all of the modules are present.
> > I've run the check.sh from [1] and don't see any missing modules.
> > I don't understand, what could be missing?
> > See my results: http://pastebin.com/CAamjE8k
> > 
> > [1] https://wiki.strongswan.org/projects/strongswan/wiki/KernelModules
> > 
> > Cheers
> > Conrad
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> 
> 
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