Re: [patch net-next 00/10] Add support for resource abstraction

[Jiri Pirko <jiri@resnulli.us>]

Wed, Dec 20, 2017 at 08:23:54PM CET, dsa@cumulusnetworks.com wrote:
>On 12/20/17 4:58 AM, Jiri Pirko wrote:
>> From: Jiri Pirko <jiri@mellanox.com>
>> 
>> Many of the ASIC's internal resources are limited and are shared between
>> several hardware procedures. For example, unified hash-based memory can
>> be used for many lookup purposes, like FDB and LPM. In many cases the user
>> can provide a partitioning scheme for such a resource in order to perform
>> fine tuning for his application. In such cases performing driver reload is
>> needed for the changes to take place, thus this patchset also adds support
>> for hot reload.
>> 
>> Such an abstraction can be coupled with devlink's dpipe interface, which
>> models the ASIC's pipeline as a graph of match/action tables. By modeling
>> the hardware resource object, and by coupling it to several dpipe tables,
>> further visibility can be achieved in order to debug ASIC-wide issues.
>> 
>> The proposed interface will provide the user the ability to understand the
>> limitations of the hardware, and receive notification regarding its occupancy.
>> Furthermore, monitoring the resource occupancy can be done in real-time and
>> can be useful in many cases.
>> ---
>> Userspace part prototype can be found at https://github.com/arkadis/iproute2/
>> at resource_dev branch.
>> 
>
>The breakout problem I mentioned in the last round of patches has not
>been fixed:

Oops, I guess that we missed that. Thanks!