Subject: Re: [Patch iproute2] u32: add terminal parameter

From: Stephen Hemminger <[email-masked]>
Date: Fri, 11 Apr 2014 14:04:46 -0700

On Fri,  4 Apr 2014 10:17:06 -0700
Cong Wang <[email-masked]> wrote:

> It is useful to allow user to specify to terminate u32 filter matching
> when there is no action. Currently we only terminate it when there is
> an action attached.
> 
> Cc: Stephen Hemminger <[email-masked]>
> Signed-off-by: Cong Wang <[email-masked]>
> ---
>  tc/f_u32.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)

Iproute2 commands are supposed to be invertible.
If you take something as input, it should be displayed on output.