netdev - Re: [RFC v2 2/4] net: enables interface option to skip IP

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: <20140218134257.667efe23@nehalam.linuxnetplumber.net>
Date:	Tue, 18 Feb 2014 13:42:57 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
Cc:	Dan Williams <dcbw@...hat.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	xen-devel@...ts.xenproject.org, kvm@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [RFC v2 2/4] net: enables interface option to skip IP

On Tue, 18 Feb 2014 13:19:15 -0800
"Luis R. Rodriguez" <mcgrof@...not-panic.com> wrote:

> Sure, but note that the both disable_ipv6 and accept_dada sysctl
> parameters are global. ipv4 and ipv6 interfaces are created upon
> NETDEVICE_REGISTER, which will get triggered when a driver calls
> register_netdev(). The goal of this patch was to enable an early
> optimization for drivers that have no need ever for ipv4 or ipv6
> interfaces.

The trick with ipv6 is to register the device, then have userspace
do the ipv6 sysctl before bringing the device up.
--
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