netdev - Re: [PATCH net-next-2.6] sfc: Replace enum efx_fc

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Date:	Tue, 17 May 2011 14:43:11 -0700
From:	Joe Perches <joe@...ches.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>, bhutchings@...arflare.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] sfc: Replace enum efx_fc_type with a
 'bitwise' type

On Tue, 2011-05-17 at 23:36 +0200, Eric Dumazet wrote:
> Le mardi 17 mai 2011 à 14:22 -0700, Joe Perches a écrit :
> > On Tue, 2011-05-17 at 17:14 -0400, David Miller wrote:
> > > Accept that the compiler currently doesn't want to allow enums to be
> > > used as bit-masks, don't paper around it.
> > A patch applied yesterday using enums as bitmasks:
> > http://patchwork.ozlabs.org/patch/95802/
> Well, quite frankly I focused on solving a bug, not making beautiful
> code. After reading convoluted RFC, going back to C is not exactly
> straightforward.

Given some RFCs, not necessarily possible either.

> I filled a (small) table with C99 initializers, its not the problem
> David raised

True, but it was a similar use of or'd enums.

> To be honest, I was using plain #define and right before sending patch I
> added one enum just because its less chars on screen for the reader.
> No strong opinion on this.

Nor I honestly.  I don't mind either.

cheers, Joe

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