# Re: \[PATCH RFC 0/2\] Add support for warnings to extack

- From: Marcelo Ricardo Leitner \<marcelo.leitner@gmail.com\>
- Date: 2018-03-18 18:20:11 
- List: netdev
- Page: https://ratatoskr.run/netdev/2018/03/11090513
- Thread: https://ratatoskr.run/netdev/2018/03/11090518/t.md

```text
On Sun, Mar 18, 2018 at 10:11:52AM -0600, David Ahern wrote:
> On 3/16/18 1:23 PM, Marcelo Ricardo Leitner wrote:
> > Currently we have the limitation that warnings cannot be reported though
> > extack. For example, when tc flower failed to get offloaded but got
> > installed on software datapath. The hardware failure is not fatal and
> > thus extack is not even shared with the driver, so the error is simply
> > omitted from any logging.
> 
> If this set ends up moving forward, the above statement needs to be
> corrected: extack allows non-error messages to be sent back to the user,
> so the above must be talking about some other limitation local to tc.

Right.

Thanks,
Marcelo
```