netdev - Re: [RFC][PATCH 0/3] net_tstamp: Add SIOCGHWTSTAMP ioctl

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: <1384441819.2771.0.camel@deadeye.wl.decadent.org.uk>
Date:	Thu, 14 Nov 2013 15:10:19 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Richard Cochran <richardcochran@...il.com>
CC:	David Miller <davem@...emloft.net>, <netdev@...r.kernel.org>,
	<linux-net-drivers@...arflare.com>
Subject: Re: [RFC][PATCH 0/3] net_tstamp: Add SIOCGHWTSTAMP ioctl

On Thu, 2013-11-14 at 08:41 +0100, Richard Cochran wrote:
> On Thu, Nov 14, 2013 at 02:37:15AM +0000, Ben Hutchings wrote:
> > SIOCSHWTSTAMP returns the real configuration to the application
> > using it, but there is currently no way for any other
> > application to find out the configuration non-destructively.
> 
> I guess that the reasoning behind the original interface is that an
> application only wants to know the settings when it needs a particular
> setting in order to operate correctly. This would make the query call
> pointless, since the application might as well just go ahead and set
> the values that it needs.
> 
> Do you have a particular use case in mind?

The immediate motivation is wanting to include this information in
diagnostic reports.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

--
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