Re: [PATCH nf-next v3 1/3] netfilter: nf_conntrack: push zone object into functions

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On Wed, Jul 22, 2015 at 12:54:46PM +0200, Daniel Borkmann wrote:
> This patch replaces the zone id which is pushed down into functions
> with the actual zone object. It's a bigger one-time change, but
> needed for later on extending zones with a direction parameter, and
> thus decoupling this additional information from all call-sites.
> 
> No functional changes in this patch.
> 
> The default zones becomes a global const object, namely nf_ct_zone_dflt
> and will be returned directly in various cases, one being, when there's
> f.e. no zoning support.

Looks fine. This patchset depends on the recent fixes though, so let
me send a pull request to David with pending nf-next updates, then you
can rebase upon a fresh HEAD.

Regarding follow up patches, it would be good if you rename CTA_DIR to
CTA_ZONE_DIR. If you plan to place more information into the zone
extension, then it's probably a good idea to add a new nested
CTA_ZONE_INFO attribute where we can start adding new more information
on the zone configuration there that applies to the tuple.

I have seen also that you placed zone-dir= after use= in the sysctl
output, but you can place this after the zone instead. We have a
netlink interface so people should not be doing string parsing.

I'll make a closer look later to see if I have more comments. Thanks
for your patience, Daniel.
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