netdev - Re: [PATCH 07/25] netns ct: per-netns expectations

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Message-ID: <485F7AA9.7000308@trash.net>
Date:	Mon, 23 Jun 2008 12:27:53 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Alexey Dobriyan <adobriyan@...il.com>
CC:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	den@...nvz.org, xemul@...nvz.org, ebiederm@...ssion.com,
	benjamin.thery@...l.net, dlezcano@...ibm.com
Subject: Re: [PATCH 07/25] netns ct: per-netns expectations

Alexey Dobriyan wrote:
> Make per-netns expectation count, expectation hash.
> 
> netns of expectations is netns of its master conntrack.
> This way expectation is not bloated with netns pointer and something
> is seriously wrong anyway if those two differ.
> 
> +static inline struct net *exp_net(struct nf_conntrack_expect *exp)
> +{
> +#ifdef CONFIG_NET_NS
> +	return exp->master->ct_net;	/* by definition */
> +#else
> +	return &init_net;
> +#endif
> +}

nf_ct_exp_net() or nf_ct_expect_net() please.

> --- a/net/netfilter/nf_conntrack_expect.c
> +++ b/net/netfilter/nf_conntrack_expect.c
> @@ -28,17 +28,12 @@
>  #include <net/netfilter/nf_conntrack_helper.h>
>  #include <net/netfilter/nf_conntrack_tuple.h>
>  
> -struct hlist_head *nf_ct_expect_hash __read_mostly;
> -EXPORT_SYMBOL_GPL(nf_ct_expect_hash);
> -
>  unsigned int nf_ct_expect_hsize __read_mostly;
>  EXPORT_SYMBOL_GPL(nf_ct_expect_hsize);

This one also needs to be in the namespace I think. BTW, are
module parameters also per namespace?

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