DPDK patches and discussions
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From: Bruce Richardson <bruce.richardson@intel.com>
To: Luca Boccassi <luca.boccassi@gmail.com>
Cc: Marco Varlese <marco.varlese@suse.com>,
	dev@dpdk.org, thomas@monjalon.net
Subject: Re: [dpdk-dev] [RFCv2 00/40] Building DPDK with meson and ninja
Date: Fri, 18 Aug 2017 09:35:44 +0100	[thread overview]
Message-ID: <20170818083544.GA22884@bricha3-MOBL3.ger.corp.intel.com> (raw)
In-Reply-To: <1502983536.31476.4.camel@gmail.com>

On Thu, Aug 17, 2017 at 04:25:36PM +0100, Luca Boccassi wrote:
> On Thu, 2017-08-17 at 16:10 +0200, Marco Varlese wrote:
> > Hi Bruce,
> > 
> > On Mon, 2017-08-14 at 10:51 +0100, Bruce Richardson wrote:
> > > Following on from previous RFC [http://dpdk.org/dev/patchwork/patch
> > > /25104/]
> > > here is a second draft implementation for building DPDK with meson
> > > and
> > > ninja. While still not building all of DPDK, and needing patch
> > > cleanup so
> > > that patches don't overwrite previous work, it is more complete in
> > > many
> > > ways than the previous version and includes:
> > > 
> > > * dynamic build configuration e.g. building pcap driver only if
> > > pcap is
> > >   found, only build af_packet if the target is linux, and only
> > > building QAT
> > >   and openssl crypto drivers if libcrypto is found
> > > * support for pmdinfo inside the PMDs(for shared builds) and
> > > binaries (for
> > >   static builds)
> > > * generalized/standardized way of building libs and drivers, though
> > > the
> > >   drivers code still needs generalization at the driver, rather
> > > than
> > >   driver-class level.
> > > * support for having a pkgconfig file for DPDK on install, and
> > > helloworld
> > >   and l2fwd can be built using the pkgconfig info (via make, not
> > > ninja)
> > > * support for library versions
> > > * an implementation for FreeBSD as well as Linux
> > > * all libraries are included in the build, as well as a number of
> > > NIC,
> > >   crypto, and mempool drivers
> > > * the igb_uio kernel module is build via the kernel Kbuild system
> > > as part
> > >   of a meson/ninja DPDK build
> > 
> > This is really great to see. I do have one suggestion.
> > Would it be possible to version the libraries built by the build-
> > system
> > following the same version of the DPDK release?
> > 
> > For instance, in DPDK 17.08 we currently have:
> > # objdump -p librte_pmd_ixgbe.so.1 |grep SONAME
> >   SONAME               librte_pmd_ixgbe.so.1
> > 
> > Would it make sense to instead have librte_pmd_ixgbe.so.17.08
> > 
> > I think it would help to facilitate the installation of multiple DPDK
> > library
> > versions on the same system. 
> > 
> > For example, we could have the following scenario:
> > 
> > 1) OpenVSwithc linked with version 17.02 of DPDK
> > 2) VPP linked with version 17.08 of DPDK
> > 3) DPDK 18.xx installed in the system for any cutting-edge
> > application
> > prototyping.
> > 
> > Is this something which could be incorporated as part of this work?
> 
> Christian sent a patch a while ago, which was merged, to enable this in
> the current build system, it's the CONFIG_RTE_MAJOR_ABI option, we use
> it in Debian and Ubuntu for the reasons you mentioned.
> 
> And if it's not been translated yet, I agree it's an important one.
> 
No, it's not translated yet - mainly for the reasons that I had forgotten
it existed, and that there is a lot yet unported.

General question: should this be the default or not? It looks to me that
it should probably be, but what do others think?

/Bruce

  reply	other threads:[~2017-08-18  8:35 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-14  9:51 Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 01/40] build: initial hooks for using meson with DPDK Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 02/40] build: create pkg-config file for DPDK Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 03/40] build: build linuxapp EAL with meson and ninja Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 04/40] build: add EAL support under BSD Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 05/40] build: add core libraries to meson build system Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 06/40] build: add i40e driver to meson build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 07/40] build: add pmdinfogen to build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 08/40] build: generate list of sources for pmdinfogen Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 09/40] build: build i40e driver, including pmdinfo Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 10/40] build: install usertools scripts Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 11/40] build: simplify generation of pmd.c files Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 12/40] build: generalize net driver build to higher level Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 13/40] build: remove hard-coded enablement of vector driver Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 14/40] build: add ixgbe driver to build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 15/40] build: set up standard deps for drivers Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 16/40] build: add af_packet driver to build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 17/40] build: add pcap PMD support Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 18/40] build: add symbol version map file support to libs Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 19/40] build: build libraries in a loop for brevity Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 20/40] build: version library .so files Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 21/40] eal: add version information to meson build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 22/40] build: add mempool drivers to build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 23/40] build: add gro library to meson build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 24/40] build: tweak naming of pmd dependencies Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 25/40] build: track driver include directories properly Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 26/40] metrics: add metrics lib to meson build Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 27/40] build: track dependencies recursively Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 28/40] testpmd: compile testpmd with meson and ninja Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 29/40] crypto/null: rename the version file to standard Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 30/40] crypto/qat: remove dependency on ether library Bruce Richardson
2017-08-14  9:51 ` [dpdk-dev] [RFCv2 31/40] build: add cryptodev and some crypto drivers to build Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 32/40] igb_uio: add igb_uio to meson build Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 33/40] ip_frag: rename version file to standard name Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 34/40] build: add most remaining libraries to meson build Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 35/40] build: add packet framework libs " Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 36/40] acl: add acl library " Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 37/40] build: add ark and avp PMDs to build Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 38/40] build: fix static library builds with base code Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 39/40] build: fix driver dependencies for static builds Bruce Richardson
2017-08-14  9:52 ` [dpdk-dev] [RFCv2 40/40] examples: allow basic sample app build using pkg-config Bruce Richardson
2017-08-15 10:56 ` [dpdk-dev] [RFCv2 00/40] Building DPDK with meson and ninja Luca Boccassi
2017-08-15 11:31   ` Bruce Richardson
2017-08-17 14:10 ` Marco Varlese
2017-08-17 15:25   ` Luca Boccassi
2017-08-18  8:35     ` Bruce Richardson [this message]
2017-08-18  8:52       ` Marco Varlese
2017-08-18  9:17         ` Marco Varlese
2017-08-18  9:33       ` Luca Boccassi
     [not found]   ` <1502983469.31476.3.camel@gmail.com>
2017-08-18  8:00     ` Marco Varlese

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