> -----Original Message----- > From: Kevin Traynor [mailto:ktray...@redhat.com] > Sent: Monday, March 12, 2018 11:36 AM > To: Stokes, Ian <ian.sto...@intel.com>; d...@openvswitch.org > Subject: Re: [ovs-dev] [PATCH v2] dpdk: Use DPDK 17.11.1 release. > > On 03/12/2018 11:14 AM, Ian Stokes wrote: > > Modify docs and travis linux build script to use the DPDK 17.11.1 > > release branch to benefit from most recent bug fixes. > > > > There are no new features introduced in the DPDK release, only back > > ported bug fixes. For completeness these bug fixes have been > > documented under the 17.11.1 section in the link below. > > > > http://dpdk.org/doc/guides-17.11/rel_notes/release_17_11.html#id1 > > > > Signed-off-by: Ian Stokes <ian.sto...@intel.com> > > --- > > > > v1 -> v2 > > > > * Remove details of the rx vectorization virtio pmd bug from > > vhost-user.rst as this has been fixed in DPDK 17.11.1. > > --- > > .travis/linux-build.sh | 2 +- > > Documentation/faq/releases.rst | 4 ++-- > > Documentation/intro/install/dpdk.rst | 8 ++++---- > > Documentation/topics/dpdk/vhost-user.rst | 32 > > +++++--------------------------- > > 4 files changed, 12 insertions(+), 34 deletions(-) > > > > diff --git a/.travis/linux-build.sh b/.travis/linux-build.sh index > > ee615c9..19b2ccf 100755 > > --- a/.travis/linux-build.sh > > +++ b/.travis/linux-build.sh > > @@ -83,7 +83,7 @@ fi > > > > if [ "$DPDK" ]; then > > if [ -z "$DPDK_VER" ]; then > > - DPDK_VER="17.11" > > + DPDK_VER="17.11.1" > > fi > > install_dpdk $DPDK_VER > > if [ "$CC" = "clang" ]; then > > diff --git a/Documentation/faq/releases.rst > > b/Documentation/faq/releases.rst index 4f805a5..7c65503 100644 > > --- a/Documentation/faq/releases.rst > > +++ b/Documentation/faq/releases.rst > > @@ -163,9 +163,9 @@ Q: What DPDK version does each Open vSwitch release > work with? > > 2.4.x 2.0 > > 2.5.x 2.2 > > 2.6.x 16.07.2 > > - 2.7.x 16.11.4 > > + 2.7.x 16.11.5 > > 2.8.x 17.05.2 > > - 2.9.x 17.11 > > + 2.9.x 17.11.1 > > ============ ======= > > > > Q: I get an error like this when I configure Open vSwitch: > > diff --git a/Documentation/intro/install/dpdk.rst > > b/Documentation/intro/install/dpdk.rst > > index ed358d5..e0a96ac 100644 > > --- a/Documentation/intro/install/dpdk.rst > > +++ b/Documentation/intro/install/dpdk.rst > > @@ -40,7 +40,7 @@ Build requirements > > In addition to the requirements described in :doc:`general`, building > > Open vSwitch with DPDK will require the following: > > > > -- DPDK 17.11 > > +- DPDK 17.11.1 > > > > - A `DPDK supported NIC`_ > > > > @@ -69,9 +69,9 @@ Install DPDK > > #. Download the `DPDK sources`_, extract the file and set > ``DPDK_DIR``:: > > > > $ cd /usr/src/ > > - $ wget http://fast.dpdk.org/rel/dpdk-17.11.tar.xz > > - $ tar xf dpdk-17.11.tar.xz > > - $ export DPDK_DIR=/usr/src/dpdk-17.11 > > + $ wget http://fast.dpdk.org/rel/dpdk-17.11.1.tar.xz > > + $ tar xf dpdk-17.11.1.tar.xz > > + $ export DPDK_DIR=/usr/src/dpdk-17.11.1 > > $ cd $DPDK_DIR > > > > #. (Optional) Configure DPDK as a shared library diff --git > > a/Documentation/topics/dpdk/vhost-user.rst > > b/Documentation/topics/dpdk/vhost-user.rst > > index 95517a6..3aef795 100644 > > --- a/Documentation/topics/dpdk/vhost-user.rst > > +++ b/Documentation/topics/dpdk/vhost-user.rst > > @@ -320,9 +320,9 @@ To begin, instantiate a guest as described in > > :ref:`dpdk-vhost-user` or DPDK sources to VM and build DPDK:: > > > > $ cd /root/dpdk/ > > - $ wget http://fast.dpdk.org/rel/dpdk-17.11.tar.xz > > - $ tar xf dpdk-17.11.tar.xz > > - $ export DPDK_DIR=/root/dpdk/dpdk-17.11 > > + $ wget http://fast.dpdk.org/rel/dpdk-17.11.1.tar.xz > > + $ tar xf dpdk-17.11.1.tar.xz > > + $ export DPDK_DIR=/root/dpdk/dpdk-17.11.1 > > Nit: as it's now on a stable release, it should be: > /root/dpdk/dpdk-stable-17.11.1
Good catch, I'll make the change on commit to dpdk_merge. Thanks Ian > > with that in master/2.9, both > Acked-by: Kevin Traynor <ktray...@redhat.com> > > thanks, > Kevin. > > > $ export DPDK_TARGET=x86_64-native-linuxapp-gcc > > $ export DPDK_BUILD=$DPDK_DIR/$DPDK_TARGET > > $ cd $DPDK_DIR > > @@ -355,28 +355,6 @@ Finally, start the application:: > > > > # TODO > > > > -.. important:: > > - > > - DPDK v17.11 virtio PMD contains a bug in the vectorized Rx function > > that > > - affects testpmd/DPDK guest applications. As such, guest DPDK > > applications > > - should use a non-vectorized Rx function. > > - > > -The DPDK v17.11 virtio net driver contains a bug that prevents guest > > DPDK -applications from receiving packets when the vectorized Rx > function is used. > > -This only occurs when guest-bound traffic is live before a DPDK > > application is -started within the guest, and where two or more > > forwarding cores are used. As -such, it is not recommended for guests > > which execute DPDK applications to use -the virtio vectorized Rx > > function. A simple method of ensuring that a non- -vectorized Rx > > function is used is to enable mergeable buffers for the guest, -with the > following QEMU command line option:: > > - > > - mrg_rxbuf=on > > - > > -Additional details regarding the virtio driver bug are available on > > the -`DPDK mailing list`_. > > - > > -.. _DPDK mailing list: > > http://dpdk.org/ml/archives/dev/2017-December/082801.html > > - > > .. _dpdk-vhost-user-xml: > > > > Sample XML > > @@ -428,7 +406,7 @@ Sample XML > > </disk> > > <disk type='dir' device='disk'> > > <driver name='qemu' type='fat'/> > > - <source dir='/usr/src/dpdk-stable-17.05.2'/> > > + <source dir='/usr/src/dpdk-stable-17.11.1'/> > > <target dev='vdb' bus='virtio'/> > > <readonly/> > > </disk> > > @@ -530,4 +508,4 @@ issue can be found on > > > > Further information can be found in the `DPDK documentation > > -<http://dpdk.readthedocs.io/en/v17.05/prog_guide/vhost_lib.html>`__ > > +<http://dpdk.readthedocs.io/en/v17.11/prog_guide/vhost_lib.html>`__ > > _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
