On Mon, Dec 08, 2014 at 04:36:02PM +0100, Florian Westphal wrote: > [ Pablo, in case you deem this too late for -next just let me know > and I will resend once its open again ] > > This adds an optional forward routing cache extension for netfilter > connection tracking. > > The memory cost is an additional 32 bytes per conntrack entry > on x86_64. > > Unlike any other currently implemented connection tracking > extension the rtcache has no run-time tunables, it is always active. > > Also, unlike other conntrack extensions, it can be built as a module, > in this case modprobe/rmmod are used to enable/disable the cache. I expect distributors will provide this a module. I think we should provide features that can be enable/disable in some way, in this case it can be modprobe/rmmod. BTW, did you evaluate Eric's alternative? Any comment on that? Florian Westphal <fw@xxxxxxxxx> wrote: >> + if (likely(dst)) >> + skb_dst_set_noref_force(skb, dst); > > Note that Hannes submitted a patch vs. net-next that removes > skb_dst_set_noref_force(). I refreshed the nf-next tree, this patch is now there. If the merge window remains open, I'll take the pending patches in patchwork and send a new batch for David by tomorrow morning. Let me know, thanks. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html