From: Daniel Borkmann <daniel@iogearbox.net>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel@vger.kernel.org, davem@davemloft.net,
netdev@vger.kernel.org, jhs@mojatatu.com
Subject: Re: [PATCH 6/6] net: move qdisc ingress filtering on top of netfilter ingress hooks
Date: Thu, 30 Apr 2015 02:10:33 +0200 [thread overview]
Message-ID: <554172F9.7040002@iogearbox.net> (raw)
In-Reply-To: <20150429233205.GA3416@salvia>
On 04/30/2015 01:32 AM, Pablo Neira Ayuso wrote:
...
> Actually, the extra cost is roughly (getting inlined stuff away and
> other non-relevant stuff):
>
> `-> nf_hook_slow()
> `-> [for each entry in hook list]
> `-> nf_iterate()
> `-> (*elemp)->hook()
Yep, agreed.
> as part of the generic hook infrastructure, which comes with extra
> flexibility in return. I think the main concern so far was not to harm
> the critical netif_receive_core() path, and this patchset proves not
> to affect this.
Correct, as you use the static key and hide everything behind it.
next prev parent reply other threads:[~2015-04-30 0:10 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-29 18:53 [PATCH 0/6 RFC] Netfilter ingress support (v2) Pablo Neira Ayuso
2015-04-29 18:53 ` [PATCH 1/6] netfilter: cleanup struct nf_hook_ops indentation Pablo Neira Ayuso
2015-04-29 18:53 ` [PATCH 2/6] netfilter: add hook list to nf_hook_state Pablo Neira Ayuso
2015-04-29 18:53 ` [PATCH 3/6] netfilter: add nf_hook_list_active() Pablo Neira Ayuso
2015-04-29 18:53 ` [PATCH 4/6] netfilter: move generic hook infrastructure into net/core/hooks.c Pablo Neira Ayuso
2015-04-29 23:59 ` Patrick McHardy
2015-04-29 18:53 ` [PATCH 5/6] net: add netfilter ingress hook Pablo Neira Ayuso
2015-04-29 18:53 ` [PATCH 6/6] net: move qdisc ingress filtering on top of netfilter ingress hooks Pablo Neira Ayuso
2015-04-29 20:27 ` Daniel Borkmann
2015-04-29 23:32 ` Pablo Neira Ayuso
2015-04-30 0:10 ` Daniel Borkmann [this message]
2015-04-30 0:20 ` Daniel Borkmann
2015-04-30 0:30 ` Patrick McHardy
2015-04-30 0:41 ` Daniel Borkmann
2015-04-30 0:48 ` Patrick McHardy
2015-04-30 1:16 ` Alexei Starovoitov
2015-04-30 1:34 ` Patrick McHardy
2015-04-30 2:22 ` Jamal Hadi Salim
2015-04-30 3:11 ` Patrick McHardy
2015-04-30 11:55 ` Jamal Hadi Salim
2015-04-30 15:33 ` Pablo Neira Ayuso
2015-04-30 16:09 ` Daniel Borkmann
2015-04-30 16:36 ` Pablo Neira Ayuso
2015-04-30 19:16 ` Daniel Borkmann
2015-04-30 23:01 ` Daniel Borkmann
2015-05-01 1:15 ` Jamal Hadi Salim
2015-04-30 10:12 ` Pablo Neira Ayuso
2015-04-30 19:05 ` Alexei Starovoitov
2015-04-30 0:37 ` Patrick McHardy
2015-04-30 1:04 ` Daniel Borkmann
2015-04-30 1:43 ` Patrick McHardy
2015-04-30 2:35 ` Jamal Hadi Salim
2015-04-30 3:29 ` Patrick McHardy
2015-04-30 4:05 ` Patrick McHardy
2015-04-30 6:02 ` Alexei Starovoitov
2015-04-30 9:24 ` Daniel Borkmann
2015-04-30 10:28 ` Pablo Neira Ayuso
2015-04-29 23:36 ` Patrick McHardy
2015-04-30 0:00 ` Daniel Borkmann
2015-04-30 0:15 ` Patrick McHardy
2015-04-29 21:53 ` Cong Wang
2015-04-29 23:37 ` Patrick McHardy
2015-04-29 23:42 ` Pablo Neira Ayuso
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