Re: pass netns to ->match or to not pass

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Alexey Dobriyan wrote:
xt_recent wants netns inside ->match hook (and xt_hashlimit probably,
haven't looked closely):

	recent_mt
	recent_table_lookup
	[use per-netns tables list]

Now, I can drag netns through struct xt_match_param, or use
dev_net(skb->dev ? skb->dev : skb->dst->dev) trick.

And the latter should be better, because only xt_recent module will be
affected.

Comments?

I prefer the later. Using the supplied device parameters would
be better though to keep the device handling centralized.
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