Re: [RFC net-next v3 1/2] net/mlx5e: Add helpers to calculate txq and ch idx

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On Sat, Jun 01, 2024 at 12:35:57PM +0100, Simon Horman wrote:
> On Wed, May 29, 2024 at 03:16:26AM +0000, Joe Damato wrote:
> > Add two helpers to:
> > 
> > 1. Compute the txq_ix given a channel and a tc offset (tc_to_txq_ix).
> > 2. Compute the channel index and tc offset given a txq_ix
> >    (txq_ix_to_chtc_ix).
> > 
> > The first helper, tc_to_txq_ix, is used in place of the mathematical
> > expressionin mlx5e_open_sqs when txq_ix values are computed.
> > 
> > The second helper, txq_ix_to_chtc_ix, will be used in a following patch.
> 
> Hi Joe,
> 
> I think it would be best to add txq_ix_to_chtc_ix as part of patch that
> uses it, because the current arrangement will cause allmodconfigs with
> clang-18 and W=1 to fail due to txq_ix_to_chtc_ix being unused.
> 
> ...

Sorry, one more thing.

Please don't use inline in .c files unless there is a demonstrable
reason - f.e. performance - to do so. Rather, let the compiler figure
out when to inline functions.




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