From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Cc: Eric Leblond <eric@regit.org>, netfilter-devel@vger.kernel.org
Subject: Re: [RFC PATCH 0/1] add insert after to nf_tables
Date: Thu, 20 Jun 2013 11:42:43 +0200 [thread overview]
Message-ID: <20130620094243.GA5703@localhost> (raw)
In-Reply-To: <51C17E26.2020608@linux.intel.com>
On Wed, Jun 19, 2013 at 12:47:18PM +0300, Tomasz Bursztyka wrote:
> Hi Eric,
>
> >The patch
> > netfilter: nf_tables: add insert operation
> >adds support for inserting a rule after a handle.
> >
> >It is followed by the patch
> > examples: add insert rule example
> >which is the libnftables example.
> >
> >I choose to reuse the CREATE operation in the kernel code
> >to avoid to add a new message to netlink. This way we have
> >a sort of 'create after' syntax. This is almost natural IMHO.
>
> There is an issue however: notification.
> I don't see how other clients are going to know where to put the
> rule when updating there own list when they get notified.
>
> They will be notified that a rule as been added successfully, but
> they will get it as an appended rule.
This can be implemented in user-space.
The user-space daemon can keep a cache of the ordered rule-set. Thus,
it can guess the position of the rule-set from the handle.
next prev parent reply other threads:[~2013-06-20 9:42 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-19 8:03 [RFC PATCH 0/1] add insert after to nf_tables Eric Leblond
2013-06-19 8:03 ` [PATCH] netfilter: nf_tables: add insert operation Eric Leblond
2013-06-19 8:04 ` [libnftables PATCH] examples: add insert rule example Eric Leblond
2013-06-19 9:47 ` [RFC PATCH 0/1] add insert after to nf_tables Tomasz Bursztyka
2013-06-20 9:42 ` Pablo Neira Ayuso [this message]
2013-06-20 9:52 ` Tomasz Bursztyka
2013-06-20 10:10 ` Pablo Neira Ayuso
2013-06-20 10:36 ` Tomasz Bursztyka
2013-06-20 10:46 ` Patrick McHardy
2013-06-20 10:59 ` Tomasz Bursztyka
2013-06-20 12:17 ` Eric Leblond
2013-06-28 21:05 ` [RFC PATCHv2] netfilter: nf_tables: add insert operation Eric Leblond
2013-06-29 10:24 ` Pablo Neira Ayuso
2013-07-06 15:31 ` [PATCHv3 nftables insert operation] Eric Leblond
2013-07-06 15:31 ` [PATCH] netfilter: nf_tables: add insert operation Eric Leblond
2013-07-07 21:56 ` Pablo Neira Ayuso
2013-07-08 22:56 ` [PATCHv4 nftables insert operation 0/1] Eric Leblond
2013-07-08 22:56 ` [PATCHv4] netfilter: nf_tables: add insert operation Eric Leblond
2013-07-15 10:48 ` Pablo Neira Ayuso
2013-07-15 17:27 ` Eric Leblond
2013-07-15 23:57 ` Pablo Neira Ayuso
2013-07-16 7:35 ` Eric Leblond
2013-07-16 10:00 ` Pablo Neira Ayuso
2013-07-16 10:07 ` Eric Leblond
2013-07-19 7:45 ` [PATCHv5] " Eric Leblond
2013-07-19 12:49 ` Pablo Neira Ayuso
2013-07-08 23:00 ` [nftables PATCH] rule: honor flag argument during rule creation Eric Leblond
2013-07-06 15:33 ` [libnftables PATCH 1/4] rule: add support for position attribute Eric Leblond
2013-07-06 15:33 ` [libnftables PATCH 2/4] examples: add insert rule example Eric Leblond
2013-07-19 12:31 ` Pablo Neira Ayuso
2013-07-06 15:33 ` [libnftables PATCH 3/4] rule: display position in default printf Eric Leblond
2013-07-19 12:32 ` Pablo Neira Ayuso
2013-07-06 15:33 ` [libnftables PATCH 4/4] rule: change type of function to use const Eric Leblond
2013-07-19 12:32 ` Pablo Neira Ayuso
2013-07-19 12:31 ` [libnftables PATCH 1/4] rule: add support for position attribute Pablo Neira Ayuso
2013-07-06 15:33 ` [nftables PATCH] Add support for insertion inside rule list Eric Leblond
2013-07-19 12:28 ` Pablo Neira Ayuso
2013-07-19 14:31 ` Eric Leblond
2013-07-19 15:50 ` Pablo Neira Ayuso
2013-07-01 7:01 ` [RFC PATCHv2] netfilter: nf_tables: add insert operation Tomasz Bursztyka
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