netdev - Re: [net-next PATCH v3 00/12] Flow API

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150122140022.GA5674@salvia>
Date:	Thu, 22 Jan 2015 15:00:22 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	John Fastabend <john.fastabend@...il.com>,
	simon.horman@...ronome.com, sfeldma@...il.com,
	netdev@...r.kernel.org, jhs@...atatu.com, davem@...emloft.net,
	gerlitz.or@...il.com, andy@...yhouse.net, ast@...mgrid.com
Subject: Re: [net-next PATCH v3 00/12] Flow API

On Thu, Jan 22, 2015 at 01:37:13PM +0000, Thomas Graf wrote:
> On 01/22/15 at 01:52pm, Pablo Neira Ayuso wrote:
> > Hi John,
> > 
> > On Tue, Jan 20, 2015 at 12:26:13PM -0800, John Fastabend wrote:
> > > I believe I addressed all the comments so far except for the integrate
> > > with 'tc'. I plan to work on the integration pieces next.
> > 
> > I think that postponing the integration with 'tc' means that we're
> > renouncing to provide some abstraction to represent the actions that
> > the device provides. After this patch we'll have a standard API that
> > exposes the vendor specific semantics, *so user configurations will
> > not be portable anymore*.
> > 
> > At least, we should come up with some abstraction / mapping as
> > interface, so the vendors can use them to represent their operations.
> > That interface will provide a trade-off: If the vendor offers an
> > operation that doesn't map to our abstraction, then sorry that
> > operation has to remain behind the curtain.
> 
> I thought this *is* the abstraction ;-) Can you elaborate on which
> parts you consider vendor specific?

+/* rocker specific action definitions */
+struct net_flow_action_arg rocker_set_group_id_args[] = {
+       {
+               .name = "group_id",
+               .type = NFL_ACTION_ARG_TYPE_U32,
+               .value_u32 = 0,
+       },

that is retrieved via ndo_flow_get_actions and fully exposed to
userspace.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html