Tue, Jul 31, 2018 at 10:01:46AM CEST, jakub.kicin...@netronome.com wrote: >On Tue, 31 Jul 2018 08:32:58 +0200, Jiri Pirko wrote: >> Mon, Jul 30, 2018 at 08:19:56PM CEST, xiyou.wangc...@gmail.com wrote: >> >On Sun, Jul 29, 2018 at 12:54 AM Jiri Pirko <j...@resnulli.us> wrote: >> >> >> >> Sat, Jul 28, 2018 at 07:39:36PM CEST, xiyou.wangc...@gmail.com wrote: >> >> >On Sat, Jul 28, 2018 at 10:20 AM Cong Wang <xiyou.wangc...@gmail.com> >> >> >wrote: >> >> >> >> >> >> On Fri, Jul 27, 2018 at 12:47 AM Jiri Pirko <j...@resnulli.us> wrote: >> >> >> > >> >> >> > From: Jiri Pirko <j...@mellanox.com> >> >> >> > >> >> >> > In case a chain is empty and not explicitly created by a user, >> >> >> > such chain should not exist. The only exception is if there is >> >> >> > an action "goto chain" pointing to it. In that case, don't show the >> >> >> > chain in the dump. Track the chain references held by actions and >> >> >> > use them to find out if a chain should or should not be shown >> >> >> > in chain dump. >> >> >> > >> >> >> > Signed-off-by: Jiri Pirko <j...@mellanox.com> >> >> >> >> >> >> Looks reasonable to me. >> >> >> >> >> >> Acked-by: Cong Wang <xiyou.wangc...@gmail.com> >> >> > >> >> >Hold on... >> >> > >> >> >If you increase the refcnt for a zombie chain on NEWCHAIN path, >> >> >then it would become a non-zombie, this makes sense. However, >> >> >if the action_refcnt gets increased again when another action uses it, >> >> >it become a zombie again because refcnt==action_refcnt?? >> >> >> >> No. action always increases both refcnt and action_refcnt >> > >> >Hmm, then the name zombie is confusing, with your definition all >> >chains implicitly created by actions are zombies, unless touched >> >by user explicitly. Please find a better name. >> >> Okay. Perhaps chain_inactive? > >FWIW to me active brings to mind that it's handling traffic. Brining in >my suggestions from an off-list discussion: > >tcf_chain_act_refs_only() or tcf_chain_pure_act_target()
:/ > >or maybe tcf_chain_has_no_filters() ? That is not accurate, as explicitly created chain does not have any filters too. I think this is good: tcf_chain_held_by_acts_only()