RE: [EXTERNAL] [PATCH v2 1/2] crypto: fix build issues on unsetting crypto callbacks macro

["Morten Brørup" <mb@smartsharesystems.com>]

> From: Akhil Goyal [mailto:gakhil@marvell.com]
> Sent: Thursday, 30 May 2024 13.02
> 
> ++ Morten for comment on #if vs #ifdef
> 
> > > Subject: [EXTERNAL] [PATCH v2 1/2] crypto: fix build issues on unsetting
> crypto
> > > callbacks macro
> > >
> > > Crypto callbacks macro is defined with value 1 and being used with ifdef,
> > > on config value is changed to 0 to disable, crypto callback changes
> > > still being compiled.
> > >
> > > Used #if instead of #ifdef and also wrapped crypto callback changes
> > > under RTE_CRYPTO_CALLBACKS macro to fix build issues when macro is
> > > unset.
> > >
> > > Fixes: 1c3ffb95595e ("cryptodev: add enqueue and dequeue callbacks")
> > > Fixes: 5523a75af539 ("test/crypto: add case for enqueue/dequeue
> callbacks")
> > >
> > > Signed-off-by: Ganapati Kundapura <ganapati.kundapura@intel.com>
> > > ---
> > > v2:
> > > * Used #if instead of #ifdef and restored macro definition in config
> > > * Split callback registration check in a seperate patch

The DPDK convention is #ifdef, not #if.
Ethdev also uses #ifdef, e.g.:
https://elixir.bootlin.com/dpdk/v24.03/source/lib/ethdev/rte_ethdev.h#L6112

PS: Personally, I prefer #if too. But we should set personal preferences aside, and follow the existing convention in DPDK and use #ifdef.