Re: [dpdk-dev] [PATCH v8 2/3] ring: introduce new header file to include common functions

[Hemant Agrawal <hemant.agrawal@nxp.com>]

Hi Olivier,

> On Fri, Jan 19, 2018 at 07:45:30PM +0530, Hemant Agrawal wrote:
> > Hi Jia,
> >
> > On 1/17/2018 9:33 AM, Jia He wrote:
> > > Move the common part of rte_ring.h into rte_ring_generic.h.
> > > Move the memory barrier part into update_tail().
> > >
> > > No functional changes here.
> > >
> > > Signed-off-by: Jia He <jia.he@hxt-semitech.com>
> > > Suggested-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> > > Suggested-by: Ananyev Konstantin <konstantin.ananyev@intel.com>
> > > Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> > > Acked-by: Olivier Matz <olivier.matz@6wind.com>
> > > ---
> > > diff --git a/lib/librte_ring/rte_ring_generic.h
> > > b/lib/librte_ring/rte_ring_generic.h
> > > new file mode 100644
> > > index 0000000..01f2cae
> > > --- /dev/null
> > > +++ b/lib/librte_ring/rte_ring_generic.h
> > > @@ -0,0 +1,202 @@
> > > +/*-
> > > + *   Copyright(c) 2017 Intel Corporation. All rights reserved.
> > > + *   All rights reserved.
> > > + *
> > > + *   SPDX-License-Identifier: BSD-3-Clause
> >
> > The SPDX should be first line. See other files for Intel or NXP.

[Hemant] Don't add SPDX to this file. 
 This file is not BSD-3 licensed.  Please keep the full text as in the original file.


>
> > > + */
> > > +
> > > +/*
> > > + * Derived from FreeBSD's bufring.h
> > > + *
> > > +
> > >
> +*********************************************************
> **********
> > > +*******
> > > + *
> > > + * Copyright (c) 2007-2009 Kip Macy kmacy@freebsd.org
> > > + * All rights reserved.
> > > + *
> > > + * Redistribution and use in source and binary forms, with or
> > > +without
> > > + * modification, are permitted provided that the following conditions
> are met:
> > > + *
> > > + * 1. Redistributions of source code must retain the above copyright
> notice,
> > > + *    this list of conditions and the following disclaimer.
> > > + *
> > > + * 2. The name of Kip Macy nor the names of other
> > > + *    contributors may be used to endorse or promote products derived
> from
> > > + *    this software without specific prior written permission.
> > > + *
> > > + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
> CONTRIBUTORS "AS IS"
> > > + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> > > +LIMITED TO, THE
> > > + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
> > > +PARTICULAR PURPOSE
> > > + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
> > > +CONTRIBUTORS BE
> > > + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
> EXEMPLARY,
> > > +OR
> > > + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
> > > +PROCUREMENT OF
> > > + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
> OR
> > > +BUSINESS
> > > + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
> LIABILITY,
> > > +WHETHER IN
> > > + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
> > > +OTHERWISE)
> > > + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
> > > +ADVISED OF THE
> > > + * POSSIBILITY OF SUCH DAMAGE.
> > > + *
> > > +
> > >
> +*********************************************************
> **********
> > > +********/
> > > +
> >
> > This is BSD-2-freebsd, which is not a approved license for DPDK.
> > Can you ask Kip Macy, if he/she is ok to re-license it with BSD-3?
> >
> > Please check with legal, if you can just keep the copyright of Kip
> > Macy and re license it with BSD-3.
> >
> > I see the BSD-3 license to be permissive enough to be re-licensed as BSD-3.
> > But I am not a lawyer.
> >
> 
> I agree this is something we should do, as a maintainer of librte_ring, I can
> do it.
> 
> But here, Jia is just moving code in a new file. I don't think this should block
> his patchset from beeing included.

 [Hemant]   I thought of blocking this kind of moves, so that we get the license complaint of DPDK faster 😊

Jia, shall keep the original copyrights and headers in this file (i.e. No SPDX).   You need to fix it along with rte_ring.h in near future.

Regards,
Hemant