doc: deprication notice to mark tm spec as experimental

  From: Nithin Dabilpuram <ndabilpuram@marvell.com>

Based on the discussion in below mail thread, it is concluded that
all traffic manager API's (rte_tm.h) need to be marked experimental
till few more releases to support further improvements to spec.

https://mails.dpdk.org/archives/dev/2020-April/164970.html

Adding deprication notice for the same in advance.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
 doc/guides/rel_notes/deprecation.rst | 9 +++++++++
 1 file changed, 9 insertions(+)
  

On 01/05/2020 18:16, Nithin Dabilpuram wrote:
> From: Nithin Dabilpuram <ndabilpuram@marvell.com>
> 
> Based on the discussion in below mail thread, it is concluded that
> all traffic manager API's (rte_tm.h) need to be marked experimental
> till few more releases to support further improvements to spec.
> 
> https://mails.dpdk.org/archives/dev/2020-April/164970.html
> 
> Adding deprication notice for the same in advance.
> 
> Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
> ---
>  doc/guides/rel_notes/deprecation.rst | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index 1339f54..8c90ec9 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -118,3 +118,12 @@ Deprecation Notices
>    Python 2 support will be completely removed in 20.11.
>    In 20.08, explicit deprecation warnings will be displayed when running
>    scripts with Python 2.
> +
> +* traffic manager: Based on the discussion in the thread
> +  https://mails.dpdk.org/archives/dev/2020-April/164970.html it turns out that
> +  all traffic manager API's in ``rte_tm.h`` were mistakenly made stable even
> +  though the MAINTAINER's file and header file text mentions it to be still
> +  experimental. Given that even now, both the maintainer and other contributor's
> +  are inclined towards keeping those API's in experimental state till some more
> +  releases in support of spec improvements, it is decided that all API's in
> +  ``rte_tm.h`` will be marked back as experimental in v20.11 DPDK release.
> 

Slightly wordy - suggest making it a small bit more concise as follows. 

* traffic manager: All traffic manager API's in ``rte_tm.h`` were mistakenly made 
 abi stable in the v19.11 release. The TM maintainer and other contributor's have 
 agreed to keep the TM API's as experimental in expectation of additional spec 
 improvements. Therefore, all API's in ``rte_tm.h`` will be marked back as 
 experimental in v20.11 DPDK release. For more detail, please see `the thread
 <https://mails.dpdk.org/archives/dev/2020-April/164970.html>`_.

Ray K
  

On Tue, May 05, 2020 at 07:47:43AM +0100, Ray Kinsella wrote:
> External Email
> 
> ----------------------------------------------------------------------
> 
> 
> On 01/05/2020 18:16, Nithin Dabilpuram wrote:
> > From: Nithin Dabilpuram <ndabilpuram@marvell.com>
> > 
> > Based on the discussion in below mail thread, it is concluded that
> > all traffic manager API's (rte_tm.h) need to be marked experimental
> > till few more releases to support further improvements to spec.
> > 
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__mails.dpdk.org_archives_dev_2020-2DApril_164970.html&d=DwIDaQ&c=nKjWec2b6R0mOyPaz7xtfQ&r=FZ_tPCbgFOh18zwRPO9H0yDx8VW38vuapifdDfc8SFQ&m=fMY2AL-_MFowqy_OpcWEwioupC8kxy4GNU6R3LZP_2A&s=WCnFYbXTODzmkAWYDdBurNyAJ8Hxti2qkxXNnuoBic4&e= 
> > 
> > Adding deprication notice for the same in advance.
> > 
> > Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
> > ---
> >  doc/guides/rel_notes/deprecation.rst | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> > index 1339f54..8c90ec9 100644
> > --- a/doc/guides/rel_notes/deprecation.rst
> > +++ b/doc/guides/rel_notes/deprecation.rst
> > @@ -118,3 +118,12 @@ Deprecation Notices
> >    Python 2 support will be completely removed in 20.11.
> >    In 20.08, explicit deprecation warnings will be displayed when running
> >    scripts with Python 2.
> > +
> > +* traffic manager: Based on the discussion in the thread
> > +  https://urldefense.proofpoint.com/v2/url?u=https-3A__mails.dpdk.org_archives_dev_2020-2DApril_164970.html&d=DwIDaQ&c=nKjWec2b6R0mOyPaz7xtfQ&r=FZ_tPCbgFOh18zwRPO9H0yDx8VW38vuapifdDfc8SFQ&m=fMY2AL-_MFowqy_OpcWEwioupC8kxy4GNU6R3LZP_2A&s=WCnFYbXTODzmkAWYDdBurNyAJ8Hxti2qkxXNnuoBic4&e=  it turns out that
> > +  all traffic manager API's in ``rte_tm.h`` were mistakenly made stable even
> > +  though the MAINTAINER's file and header file text mentions it to be still
> > +  experimental. Given that even now, both the maintainer and other contributor's
> > +  are inclined towards keeping those API's in experimental state till some more
> > +  releases in support of spec improvements, it is decided that all API's in
> > +  ``rte_tm.h`` will be marked back as experimental in v20.11 DPDK release.
> > 
> 
> Slightly wordy - suggest making it a small bit more concise as follows. 
> 
> * traffic manager: All traffic manager API's in ``rte_tm.h`` were mistakenly made 
>  abi stable in the v19.11 release. The TM maintainer and other contributor's have 
>  agreed to keep the TM API's as experimental in expectation of additional spec 
>  improvements. Therefore, all API's in ``rte_tm.h`` will be marked back as 
>  experimental in v20.11 DPDK release. For more detail, please see `the thread
>  <https://urldefense.proofpoint.com/v2/url?u=https-3A__mails.dpdk.org_archives_dev_2020-2DApril_164970.html&d=DwIDaQ&c=nKjWec2b6R0mOyPaz7xtfQ&r=FZ_tPCbgFOh18zwRPO9H0yDx8VW38vuapifdDfc8SFQ&m=fMY2AL-_MFowqy_OpcWEwioupC8kxy4GNU6R3LZP_2A&s=WCnFYbXTODzmkAWYDdBurNyAJ8Hxti2qkxXNnuoBic4&e= >`_.

Ack, will send v2.
> 
> Ray K