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From: Jacob Keller <jacob.e.keller@intel.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Donald Hunter <donald.hunter@gmail.com>, <netdev@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	"Paolo Abeni" <pabeni@redhat.com>,
	Jonathan Corbet <corbet@lwn.net>, <linux-doc@vger.kernel.org>,
	Breno Leitao <leitao@debian.org>, Jiri Pirko <jiri@resnulli.us>,
	Alessandro Marcolini <alessandromarcolini99@gmail.com>,
	<donald.hunter@redhat.com>
Subject: Re: [PATCH net-next v1 02/12] tools/net/ynl: Support sub-messages in nested attribute spaces
Date: Fri, 2 Feb 2024 09:12:11 -0800	[thread overview]
Message-ID: <dbfb8730-a286-4e11-9e76-0b7821622f48@intel.com> (raw)
In-Reply-To: <20240201160416.0da06952@kernel.org>



On 2/1/2024 4:04 PM, Jakub Kicinski wrote:
> On Thu, 1 Feb 2024 12:53:08 -0800 Jacob Keller wrote:
>> On 1/29/2024 5:42 PM, Jakub Kicinski wrote:
>>> Whether YNL specs should replace policy dumps completely (by building
>>> the YAML into the kernel, and exposing via sysfs like kheaders or btf)
>>>  - I'm not sure. I think I used policy dumps twice in my life. They
>>> are not all that useful, IMVHO...  
>>
>> Many older genetlink/netlink families don't have a super robust or
>> specific policy. For example, devlink has a single enum for all
>> attributes, and the policy is not specified per command. The policy
>> simply accepts all attributes for every command. This means that you
>> can't rely on policy to decide whether an attribute has meaning for a
>> given command.
> 
> FWIW Jiri converted devlink to use ynl policy generation. AFAIU it now
> only accepts what's used and nobody complained, yet, knock wood.
> 

Oh, I guess I missed that. That's awesome.

> Agreed on other points :)
> 

  reply	other threads:[~2024-02-02 17:12 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-23 16:05 [PATCH net-next v1 00/12] tools/net/ynl: Add features for tc family Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 01/12] tools/net/ynl: Add --output-json arg to ynl cli Donald Hunter
2024-01-25 13:50   ` Breno Leitao
2024-01-23 16:05 ` [PATCH net-next v1 02/12] tools/net/ynl: Support sub-messages in nested attribute spaces Donald Hunter
2024-01-24  0:18   ` Jakub Kicinski
2024-01-24  9:37     ` Donald Hunter
2024-01-24 15:32       ` Jakub Kicinski
2024-01-26 12:44         ` Donald Hunter
2024-01-26 18:50           ` Jakub Kicinski
2024-01-27 17:18             ` Donald Hunter
2024-01-27 18:52               ` Alessandro Marcolini
2024-01-28 19:36                 ` Donald Hunter
2024-01-29 20:35                   ` Alessandro Marcolini
2024-01-30  1:32                   ` Jakub Kicinski
2024-01-30  1:42               ` Jakub Kicinski
2024-01-30  9:12                 ` Donald Hunter
2024-02-01 20:53                 ` Jacob Keller
2024-02-02  0:04                   ` Jakub Kicinski
2024-02-02 17:12                     ` Jacob Keller [this message]
2024-01-23 16:05 ` [PATCH net-next v1 03/12] tools/net/ynl: Refactor fixed header encoding into separate method Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 04/12] tools/net/ynl: Add support for encoding sub-messages Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 05/12] tools/net/ynl: Encode default values for binary blobs Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 06/12] tools/net/ynl: Combine struct decoding logic in ynl Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 07/12] tools/net/ynl: Rename _fixed_header_size() to _struct_size() Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 08/12] tools/net/ynl: Move formatted_string method out of NlAttr Donald Hunter
2024-01-25 14:24   ` Breno Leitao
2024-01-23 16:05 ` [PATCH net-next v1 09/12] tools/net/ynl: Add support for nested structs Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 10/12] doc/netlink: Describe nested structs in netlink raw docs Donald Hunter
2024-01-23 16:05 ` [PATCH net-next v1 11/12] tools/net/ynl: Add type info to struct members in generated docs Donald Hunter
2024-01-25 13:59   ` Breno Leitao
2024-01-23 16:05 ` [PATCH net-next v1 12/12] doc/netlink/specs: Update the tc spec Donald Hunter

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