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List:       strongswan-users
Subject:    Re: [strongSwan] [KNL] received netlink error: No such file or directory (2) - unable to add SAD ent
From:       Thomas Egerer <hakke_007 () gmx ! de>
Date:       2016-01-29 21:19:32
Message-ID: 56ABD764.2050406 () gmx ! de
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Hi Conrad,

I submitted a patch to the linux kernel [1] which fixes the dependency
problem. Starting with kernel 4.5 it CONFIG_ECHAINIV should automatically
be selected by INET_ESP/INET6_ESP.

Cheers,
Thomas

[1] https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=32b6170ca59ccf07d0e394561e54b2cd9726038c


On 01/03/2016 11:34 PM, ck+strongswanusers@bl4ckb0x.de wrote:
> Hi Thomas!
> Sorry for my delay.
> 
> > Thomas Egerer <hakke_007@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
> > > _______________________________________________
> > > Users mailing list
> > > Users@lists.strongswan.org
> > > https://lists.strongswan.org/mailman/listinfo/users
> > 
> > 
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