Hi Duncan, On Tue, Jan 18, 2022 at 10:58:14AM +1100, Duncan Roe wrote: > Guys, > > Withot this patchset it remains an embarassing fact that any nfq program that > uses the deprecated libnfnetlink interface and examines packet data will use > more CPU if rewritten to use the libmnl interface. We should untagged as deprecated libnetfilter_queue old interface in the documentation, it's fine to keep it there, it should be possible to make it work over libmnl. > Please apply the set or give feedback on it as a matter of urgency. There is absolutely no urgency. This patch have a number of showstoppers such as exposing structure layout on the header files. I think the goal is to avoid the memcpy() I posted a patch sketch time ago to follow a more simple approach that we can resurrect, polish and upstream to remove the extra copy. Thanks.