netdev - Re: [RFC][PATCH 1/3] net: per skb control messages

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] [day] [month] [year] [list]

Message-Id: <200807250226.38996.opurdila@ixiacom.com>
Date:	Fri, 25 Jul 2008 02:26:38 +0300
From:	Octavian Purdila <opurdila@...acom.com>
To:	David Miller <davem@...emloft.net>
Cc:	herbert@...dor.apana.org.au, netdev@...r.kernel.org
Subject: Re: [RFC][PATCH 1/3] net: per skb control messages

On Friday 25 July 2008, David Miller wrote:

> > Sure but the problem is that the NIC hw timestamp is not synced with
> > the CPU time. In that case I think that the netfilter rules which
> > are looking at the timestamp will be messed up.
>
> Right, but you can maintain a suitable "delta" between the two.

OK, I think I got the idea now:
- use a bit in the timestamp to specify that this is a hw timestamp
- use a new net_device method to convert a hw timestamp to a gettimeofday 
timestamp

This is great, thanks a lot !

tavi
--
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