Subject: Re: [RFC] net : add tx timestamp to packet mmap.

From: Richard Cochran <[email-masked]>
Date: Tue, 9 Apr 2013 15:15:35 +0200

On Tue, Apr 09, 2013 at 12:42:57PM +0200, Paul Chavent wrote:
> 
> Would it be possible that the packet mmap maintainers give their
> opinion on this thread please ?

I was digging around, trying to understand whether libpcap can get HW
time stamps via the packet_mmap interface, and I found this.

 commit 614f60fa9d73a9e8fdff3df83381907fea7c5649
 Author: Scott McMillan <[email-masked]>
 Date:   Wed Jun 2 05:53:56 2010 -0700

    packet_mmap: expose hw packet timestamps to network packet capture utilities

Maybe you could ask Scott for help?

[ It looks to me like that patch is kinda useless, since the user has
  no way to tell whether the time stamps are from HW or SW. ]

HTH,
Richard