On Wed, 12 Mar 2025 at 14:04, Antonio Ojea <antonio.ojea.garcia@xxxxxxxxx> wrote: > > On Wed, 12 Mar 2025 at 13:51, Florian Westphal <fw@xxxxxxxxx> wrote: > > > > Antonio Ojea <antonio.ojea.garcia@xxxxxxxxx> wrote: > > > Is there some kind of optimization that just directly copies the data > > > without going through netfilter hooks or am I doing something wrong? > > > > Looks lke whatever environment you are using has bpf progs in place > > that change packet flow, or some other proprietrary modules. > > > hmm, I'm building a vanilla kernel and running it with virtme-ng (but > it is indeed a controlled host) > > vng -v -r arch/x86/boot/bzImage --user=root > > let me try to run in a different and more clean environment and report back Ok,this is working in a ewn Debian VM: Linux instance-20250312-132718 6.1.0-31-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux At least I know I should not use my first environment for these things, sorry about that. Florian, do you mind if I submit the selftest patch? I really want to get confidence this behavior does not regress, since we are probably building a feature based on it
