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Date:   Tue, 10 Mar 2020 12:22:14 +0100
From:   Jiri Pirko <>
To:     Jakub Kicinski <>
Cc:     Edward Cree <>,,,,,,,,,,,,,,,
Subject: Re: [patch net-next v4 01/10] flow_offload: Introduce offload of HW
 stats type

Mon, Mar 09, 2020 at 11:38:17PM CET, wrote:
>On Mon, 9 Mar 2020 22:27:59 +0000 Edward Cree wrote:
>> > Driver author can understandably try to simply handle all the values 
>> > in a switch statement and be unpleasantly surprised.  
>> In my experience, unenumerated enum values of this kind are fully
>>  idiomatic C; and a driver author looking at the header file to see
>>  what enumeration constants are defined will necessarily see all the
>>  calls to BIT() and the bitwise-or construction of _ANY.
>> I'm not sure I believe a naïve switch() implementation is an
>>  "understandable" error.
>Could be my slight exposure to HDLs that makes me strongly averse to
>encoding state outside of a enumeration into a value of that type :)
>> How about if we also rename the field "hw_stats_types", or squeeze
>>  the word "mask" in there somewhere?
>That'd make things slightly better.

It is not a mask though...

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