Re: GSoC 2011 project proposal [packet timestamping]

[Matt Thomas <matt%3am-software.com@localhost>]

On Mar 28, 2011, at 10:08 AM, Joerg Sonnenberger wrote:

> On Mon, Mar 28, 2011 at 07:52:52PM +0400, Dmitry Cherkassov wrote:
>>     2. Design and implement SIOCSHTSTAMP ioctl support in one ore more
>> drivers;
> 
> What speaks against having the timestamping done as part of the normal
> ifq operations?

I think timestamp should be a capability (like jumbogram).  If the
driver doesn't support it, it could be generically done in if_input
but with a small loss of accuracy.

Also, what happens on cpus/systems with out a highly accurate clock?