[LTP] IPsec DCCP stress tests: udp6_ipsec_vti[01]*, icmp4-uni-vti17: too big message size

[Petr Vorel]

Hi Alexey,

> > I found IPsec DCCP stress tests I've found that udp6_ipsec_vti[01]* tests have too big
> > message size 65527.

> Hi Petr,

> Interesting, I'm using 9000 mtu on the underlying device and
> it works fine (vti6 always sets 1500). I see that we not
> adjusting mtu on the newly created vti device, it should be
> less than output device but right now it's the same.

> > And icmp4-uni-vti17 has too big message size 1500.

> New test-case... I thought after compression it won't fragment
> this, but ipcomp works after vti fragments icmp packets, so we
> should lower the size (current ip_vti mtu is 1332).

> I'll prepare the patches.
Thanks a lot for handling it!


> > I tested it on several distros and got the same result. Should we lower / delete the value?

> > I also think that tst_ipsec_setup_vti() (in ipsec_lib.sh) should has trap to int:
> > trap "tst_brkm TBROK 'test interrupted'" INT

> Yes, we could add it to the library.
OK, I'll send a patch for it.

> Thanks,
> Alexey


Kind regards,
Petr