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 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
