On Fri, 6 Mar 2026 at 16:42, Ilya Maximets <[email protected]> wrote: > >> And I wonder if it's maybe worth doing 3 levels of encaps instead of 2, > >> just to be sure. WDYT? > > > > Having 2 levels was hard enough to my brain and two (IPv6) vxlan > > encapsulations are 140 bytes. > > > > What are you scared of? > > I just think that over-doing this test is safer than trying to guess the > number. The headroom is configurable in DPDK and the default can also > potentially change, in which case the test will not check what it supposed > to check.
It seems more that a check is missing on this side, rather than going to a 3rd level of tunnels. I asked Claude to help me on the autoconf aspect, and it seems to work (I checked with a 64 bytes headroom). I will add this in the next revision. -- David Marchand _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
