Re: [dpdk-dev] [RFC] remove unused functions

["Zhang, Tianfei" <tianfei.zhang@intel.com>]

> -----Original Message-----
> From: Stephen Hemminger <stephen@networkplumber.org>
> Sent: 2020年11月24日 0:07
> To: Yigit, Ferruh <ferruh.yigit@intel.com>
> Cc: Zhang, Tianfei <tianfei.zhang@intel.com>; Jerin Jacob
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> Subject: Re: [dpdk-dev] [RFC] remove unused functions
> 
> On Mon, 23 Nov 2020 09:56:51 +0000
> Ferruh Yigit <ferruh.yigit@intel.com> wrote:
> 
> > On 11/23/2020 2:55 AM, Zhang, Tianfei wrote:
> > >>   drivers/raw/ifpga/base/opae_eth_group.c       |   25 -
> > >>   drivers/raw/ifpga/base/opae_eth_group.h       |    1 -
> > >>   drivers/raw/ifpga/base/opae_hw_api.c          |  212 --
> > >>   drivers/raw/ifpga/base/opae_hw_api.h          |   36 -
> > >>   drivers/raw/ifpga/base/opae_i2c.c             |   12 -
> > >>   drivers/raw/ifpga/base/opae_i2c.h             |    4 -
> > >>   drivers/raw/ifpga/base/opae_ifpga_hw_api.c    |   99 -
> > >>   drivers/raw/ifpga/base/opae_ifpga_hw_api.h    |   15 -
> > >
> > > The ifpga base code is want to provide fully functionality low level
> hardware support for Intel FPGA card like N3000, even though some APIs are
> not used by DPDK framework now，but it will useful for end-users or other
> customers developing their own productions , my opinion is keeping those
> APIs of ifpga base code in DPDK.
> > >
> >
> > The code is hidden behind the driver code, it is not accessible to user
> directly.
> >
> > If the idea is the code can be used later, it can be added when needed.
> >
> > If the idea is the code can be needed in the field by users, can you
> > please give example on the use case?
> 
> Dead code is buggy code. Please remove it.
> Maintaining dead code increases the overall technical debt.
> Dead code is guaranteed not to be tested.
> 
> If someone needs it in future they can resurrect it from earlier versions which
> will always be there in git.
> 
> If Intel wants to support it in DPDK then it should provide API's and tests for it.

Yes, I agree with you. I want to write some test cases for ifpga base code.