From: Pablo Neira Ayuso <pablo@netfilter.org>
To: David Laight <David.Laight@ACULAB.COM>
Cc: kaber@trash.net,
"netfilter-devel@vger.kernel.org"
<netfilter-devel@vger.kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH 05/20] netfilter: nft_hash: add support for timeouts
Date: Sat, 11 Apr 2015 15:40:55 +0200 [thread overview]
Message-ID: <20150411134055.GA9116@salvia> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D1CB17C7C@AcuExch.aculab.com>
On Thu, Apr 09, 2015 at 01:39:18PM +0000, David Laight wrote:
> From: Pablo Neira Ayuso
> > Sent: 09 April 2015 12:35
> ...
> > Add support for element timeouts to nft_hash. The lookup and walking
> > functions are changed to ignore timed out elements, a periodic garbage
> > collection task cleans out expired entries.
>
> You probably want to delete timed out entries during insert.
> If you do that you don't really need a garbage collector.
Exploring a synchronous solution from the Netlink API sounds like an
interesting idea to me.
> I'd also worry about re-adding a timed out entry.
It seems we re-add it as a new entry.
next prev parent reply other threads:[~2015-04-11 13:40 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-09 11:34 [PATCH 00/20] Netfilter updates for net-next Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 01/20] netfilter: nf_tables: add set timeout API support Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 02/20] netfilter: nf_tables: add set element timeout support Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 03/20] netfilter: nf_tables: add set garbage collection helpers Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 04/20] netfilter: nf_tables: add GC synchronization helpers Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 05/20] netfilter: nft_hash: add support for timeouts Pablo Neira Ayuso
2015-04-09 13:39 ` David Laight
2015-04-11 13:40 ` Pablo Neira Ayuso [this message]
2015-04-11 13:45 ` Patrick McHardy
2015-04-09 11:34 ` [PATCH 06/20] netfilter: x_tables: fix cgroup matching on non-full sks Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 07/20] netfilter: nft_meta: fix cgroup matching Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 08/20] netfilter: bridge: really save frag_max_size between PRE and POST_ROUTING Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 09/20] netfilter: x_tables: don't extract flow keys on early demuxed sks in socket match Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 10/20] netfilter: bridge: don't use nf_bridge_info data to store mac header Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 11/20] netfilter: bridge: add helpers for fetching physin/outdev Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 12/20] netfilter: physdev: use helpers Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 13/20] netfilter: bridge: add and use nf_bridge_info_get helper Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 14/20] netfilter: bridge: start splitting mask into public/private chunks Pablo Neira Ayuso
2015-04-09 11:34 ` [PATCH 15/20] netfilter: bridge: make BRNF_PKT_TYPE flag a bool Pablo Neira Ayuso
2015-04-09 11:35 ` [PATCH 16/20] netfilter: nf_tables: fix set selection when timeouts are requested Pablo Neira Ayuso
2015-04-09 11:35 ` [PATCH 17/20] netfilter: nf_tables: prepare set element accounting for async updates Pablo Neira Ayuso
2015-04-09 11:35 ` [PATCH 18/20] netfilter: nf_tables: support different set binding types Pablo Neira Ayuso
2015-04-09 11:35 ` [PATCH 19/20] netfilter: nf_tables: add support for dynamic set updates Pablo Neira Ayuso
2015-04-09 11:35 ` [PATCH 20/20] netfilter: nf_tables: support optional userdata for set elements Pablo Neira Ayuso
2015-04-09 18:46 ` [PATCH 00/20] Netfilter updates for net-next David Miller
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