| Commit message (Collapse) | Author | Age | Files | Lines |
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Remove the current xenserver implementation - it is obsolete and
since 3.0 we do not support kernel module builds [1].
1. https://mail.openvswitch.org/pipermail/ovs-dev/2022-July/395789.html
[i.maximets]
Can be added back if people willing to maintain it will be found.
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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For now, add introduction and the limitation of meter offload.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
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Add the USDT documentation and a bpftrace example using the
bridge run USDT probes.
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Acked-by: Paolo Valerio <pvalerio@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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This patch adds a new hash Tx steering mode that
distributes the traffic on all the Tx queues, whatever the
number of PMD threads. It would be useful for guests
expecting traffic to be distributed on all the vCPUs.
The idea here is to re-use the 5-tuple hash of the packets,
already computed to build the flows batches (and so it
does not provide flexibility on which fields are part of
the hash).
There are also no user-configurable indirection table,
given the feature is transparent to the guest. The queue
selection is just a modulo operation between the packet
hash and the number of Tx queues.
There are no (at least intentionnally) functionnal changes
for the existing XPS and static modes. There should not be
noticeable performance changes for these modes (only one
more branch in the hot path).
For the hash mode, performance could be impacted due to
locking when multiple PMD threads are in use (same as
XPS mode) and also because of the second level of batching.
Regarding the batching, the existing Tx port output_pkts
is not modified. It means that at maximum, NETDEV_MAX_BURST
can be batched for all the Tx queues. A second level of
batching is done in dp_netdev_pmd_flush_output_on_port(),
only for this hash mode.
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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This way it's easier to show it on a website as it will be updated
automatically along with the rest of the documentation.
Sphinx doesn't render everything perfectly, but it looks good enough
in both man and html versions. rST is a bit easier to read and it
takes less space.
Conversion performed manually since I didn't found any good tool
that can actually make the process any faster.
Along the way I replaced versions like x.y.90 with x.y+1, because
it doesn't seem correct to me to refer non-released versions of OVS
in the docs. Fixed a couple of small mistakes like duplicated
paragraph and reference to a different section by incorrect name.
Also removed bits of xml->nroff conversion code that is not needed
anymore.
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Roi Dayan <roid@nvidia.com>
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Main documentation for the service model and tutorial with the use case
and configuration examples.
Acked-by: Mark D. Gray <mark.d.gray@redhat.com>
Acked-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Also added a NEWS entry.
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Dumitru Ceara <dceara@redhat.com>
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File layout for man pages in sphinx 4 by default changed [1] from:
Documentation/_ref/man/page.section
to:
Documentation/_ref/man/section/page.section
Ajusting our build scripts so they will be able to locate files
in new places. This fixes our CI build.
[1] https://github.com/sphinx-doc/sphinx/issues/7996
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Ben Pfaff <blp@ovn.org>
Reviewed-by: David Marchand <david.marchand@redhat.com>
Reviewed-by: Aaron Conole <aconole@redhat.com>
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There are various L3 encapsulation standards using UDP being discussed to
leverage the UDP based load balancing capability of different networks.
MPLSoUDP (__ https://tools.ietf.org/html/rfc7510) is one among them.
The Bareudp tunnel provides a generic L3 encapsulation support for
tunnelling different L3 protocols like MPLS, IP, NSH etc. inside a UDP
tunnel.
An example to create bareudp device to tunnel MPLS traffic is
given
$ ovs-vsctl add-port br_mpls udp_port -- set interface udp_port \
type=bareudp options:remote_ip=2.1.1.3
options:local_ip=2.1.1.2 \
options:payload_type=0x8847 options:dst_port=6635
The bareudp device supports special handling for MPLS & IP as
they can have multiple ethertypes. MPLS procotcol can have ethertypes
ETH_P_MPLS_UC (unicast) & ETH_P_MPLS_MC (multicast). IP protocol can have
ethertypes ETH_P_IP (v4) & ETH_P_IPV6 (v6).
The bareudp device to tunnel L3 traffic with multiple ethertypes
(MPLS & IP) can be created by passing the L3 protocol name as string in
the field payload_type. An example to create bareudp device to tunnel
MPLS unicast & multicast traffic is given below.::
$ ovs-vsctl add-port br_mpls udp_port -- set interface
udp_port \
type=bareudp options:remote_ip=2.1.1.3
options:local_ip=2.1.1.2 \
options:payload_type=mpls options:dst_port=6635
Signed-off-by: Martin Varghese <martin.varghese@nokia.com>
Acked-By: Greg Rose <gvrose8192@gmail.com>
Tested-by: Greg Rose <gvrose8192@gmail.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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'dpdkr' ring ports was deprecated in 2.13 release and was not
actually used for a long time. Remove support now.
More details in
commit b4c5f00c339b ("netdev-dpdk: Deprecate ring ports.")
Acked-by: Aaron Conole <aconole@redhat.com>
Acked-by: David Marchand <david.marchand@redhat.com>
Acked-by: Ian Stokes <ian.stokes@intel.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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DPDK pdump was deprecated in 2.13 release and didn't actually
work since 2.11. Removing it.
More details in commit 4ae8c4617fd3 ("dpdk: Deprecate pdump support.")
Acked-by: Aaron Conole <aconole@redhat.com>
Acked-by: David Marchand <david.marchand@redhat.com>
Acked-by: Ian Stokes <ian.stokes@intel.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Abbreviated as TSO, TCP Segmentation Offload is a feature which enables
the network stack to delegate the TCP segmentation to the NIC reducing
the per packet CPU overhead.
A guest using vhostuser interface with TSO enabled can send TCP packets
much bigger than the MTU, which saves CPU cycles normally used to break
the packets down to MTU size and to calculate checksums.
It also saves CPU cycles used to parse multiple packets/headers during
the packet processing inside virtual switch.
If the destination of the packet is another guest in the same host, then
the same big packet can be sent through a vhostuser interface skipping
the segmentation completely. However, if the destination is not local,
the NIC hardware is instructed to do the TCP segmentation and checksum
calculation.
It is recommended to check if NIC hardware supports TSO before enabling
the feature, which is off by default. For additional information please
check the tso.rst document.
Signed-off-by: Flavio Leitner <fbl@sysclose.org>
Tested-by: Ciara Loftus <ciara.loftus.intel.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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Tested-by: Numan Siddique <numans@ovn.org>
Acked-by: Numan Siddique <numans@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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OVS supports OVS Extensions as various vendor messages or as vendor
types in stats or multipart messages. Added a document to describe the
extensions as currently supported by OVS.
Signed-off-by: Ashish Varma <ashishvarma.ovs@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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There's nothing in OVS specific to Sphinx for Python 2, but the
compile-time check only looked for a binary named "sphinx-build", which is
typically provided only for Python 2. With Python 3, the binary is
typically called "sphinx-build-3". With this commit, either name is
accepted.
Acked-by: Numan Siddique <nusididq@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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OVN is separated into its own repo. This commit removes the OVN source,
OVN tests, and OVN documentation. It also removes mentions of OVN from
most documentation. The only place where OVN has been left is in
changelogs/NEWS, since we shouldn't mess with the history of the
project.
There is an exception here. The ovsdb-cluster tests rely on ovn-nbctl
and ovn-sbctl to run. Therefore those ovn utilities, as well as their
dependencies remain in the repo with this commit.
Acked-by: Numan Siddique <nusiddiq@redhat.com>
Signed-off-by: Mark Michelson <mmichels@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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The patch introduces experimental AF_XDP support for OVS netdev.
AF_XDP, the Address Family of the eXpress Data Path, is a new Linux socket
type built upon the eBPF and XDP technology. It is aims to have comparable
performance to DPDK but cooperate better with existing kernel's networking
stack. An AF_XDP socket receives and sends packets from an eBPF/XDP program
attached to the netdev, by-passing a couple of Linux kernel's subsystems
As a result, AF_XDP socket shows much better performance than AF_PACKET
For more details about AF_XDP, please see linux kernel's
Documentation/networking/af_xdp.rst. Note that by default, this feature is
not compiled in.
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
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Documents OvS fuzzing effort and performs a rudimentary security
analysis of existing OvS fuzzing harnesses.
Feedback on the documentation and analysis appreciated.
Signed-off-by: Bhargava Shastry <bshas3@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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This patch adds step-by-step guide for configuring OVN Role-Based Access
Control and IPsec.
Signed-off-by: Qiuyu Xiao <qiuyu.xiao.qyx@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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tutorials/index.rst gives a step-by-setp guide to set up OVS IPsec
tunnel.
tutorials/ipsec.rst gives detailed explanation on the IPsec tunnel
configuration methods and forwarding modes.
Signed-off-by: Qiuyu Xiao <qiuyu.xiao.qyx@gmail.com>
Signed-off-by: Ansis Atteka <aatteka@ovn.org>
Co-authored-by: Ansis Atteka <aatteka@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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This commit re-introduces the concept of shared mempools as the default
memory model for DPDK devices. Per port mempools are still available but
must be enabled explicitly by a user.
OVS previously used a shared mempool model for ports with the same MTU
and socket configuration. This was replaced by a per port mempool model
to address issues flagged by users such as:
https://mail.openvswitch.org/pipermail/ovs-discuss/2016-September/042560.html
However the per port model potentially requires an increase in memory
resource requirements to support the same number of ports and configuration
as the shared port model.
This is considered a blocking factor for current deployments of OVS
when upgrading to future OVS releases as a user may have to redimension
memory for the same deployment configuration. This may not be possible for
users.
This commit resolves the issue by re-introducing shared mempools as
the default memory behaviour in OVS DPDK but also refactors the memory
configuration code to allow for per port mempools.
This patch adds a new global config option, per-port-memory, that
controls the enablement of per port mempools for DPDK devices.
ovs-vsctl set Open_vSwitch . other_config:per-port-memory=true
This value defaults to false; to enable per port memory support,
this field should be set to true when setting other global parameters
on init (such as "dpdk-socket-mem", for example). Changing the value at
runtime is not supported, and requires restarting the vswitch
daemon.
The mempool sweep functionality is also replaced with the
sweep functionality from OVS 2.9 found in commits
c77f692 (netdev-dpdk: Free mempool only when no in-use mbufs.)
a7fb0a4 (netdev-dpdk: Add mempool reuse/free debug.)
A new document to discuss the specifics of the memory models and example
memory requirement calculations is also added.
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
Acked-by: Kevin Traynor <ktraynor@redhat.com>
Acked-by: Tiago Lam <tiago.lam@intel.com>
Tested-by: Tiago Lam <tiago.lam@intel.com>
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ovs-sim is a funny utility since it only works from a build tree, not from
an installed OVS. That means that we shouldn't install its manpage when
we run "make install". But we do want to install the manpage when we're
inside ovs-sim itself, so that the user can invoke "man ovs-sim" from its
nested shell.
This commit makes this happen.
Suggested-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Roi Dayan <roid@mellanox.com>
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Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Justin Pettit <jpettit@ovn.org>
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Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Aaron Conole <aconole@redhat.com>
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We include references from the physical and vhost-user interface guides.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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Yet another section that's far too detailed for someone getting started
with DPDK in OVS. Split it out.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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This details configuration steps that apply to the entire bridge, rather
than individual ports.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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Again, this stuff is too detailed for a high-level howto.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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These are separate things from physical, ring and vhost-user interfaces
and deserve their own documents. A couple of small typos are fixed along
the way.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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This continues the breakup of the huge DPDK "howto" into smaller
components. There are a couple of related changes included, such as
using "Rx queue" instead of "rxq" and noting how Tx queues cannot be
configured.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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These ports are used to allow ingress/egress from the host and are
therefore _reasonably_ important. However, there is no clear overview of
what these ports actually are or why things are done the way they are.
Start closing this gap by providing a standalone example of using these
ports along with a little more detailed overview of the binding process.
There is additional cleanup to be done for the DPDK howto, but that will
be done separately.
We enable the TODO directive so we can actually start calling out some
TODOs.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
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Create a document to describe the how it works and known
limitations and update the NEWS accordingly.
Signed-off-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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OVS supports connection tracker related match fields and actions.
Added a tutorial to demonstrate the basic use cases for some of these
match fields and actions.
Signed-off-by: Ashish Varma <ashishvarma.ovs@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Justin Pettit <jpettit@ovn.org>
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This is adapted from a talk I gave at OpenStack Summit Sydney on Nov. 6.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Mark Michelson <mmichels@redhat.com>
Acked-by: Miguel Angel Ajo <majopela@redhat.com>
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It always seems odd that this isn't in the repo, so this adds it, with
internal links properly directed.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Mark Michelson <mmichels@redhat.com>
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This patch introduces an Emeritus status for OVS committers. An
Emeritus Committer is recognized as having made a significant impact
to the project and having been a committer in the past. It is
intended as an option for those that do not currently have the time or
interest to fulfill committer responsibilities based on their current
responsibilities. While in this status, they are not included in
voting for governance purposes.
An emeritus committer may be re-instated as a full committer at any
time.
The OVS committers voted approval of this change.
See documentation contents for full details.
Suggested-by: Ethan J. Jackson <ejj@eecs.berkeley.edu>
Acked-by: Justin Pettit <jpettit@ovn.org>
Acked-by: Ethan J. Jackson <ethan@kelda.io>
Signed-off-by: Russell Bryant <russell@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Role based access control is a relatively new addition to OVS/OVN, and
aside from the database documentation in ovn-sb(5), there is not much
explaining what RBAC is, how to use it, and the available roles. This
document remedies that situation.
It is hopeful that any new roles added will be added to this document in
the future.
Signed-off-by: Mark Michelson <mmichels@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Firewalld service files for OVN have been in the source for several
months. This adds instructions for how to use these service files with
firewalld.
Signed-off-by: Mark Michelson <mmichels@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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This is for a talk at the Faucet conference on Oct. 19:
http://conference.faucet.nz/schedule/
Signed-off-by: Ben Pfaff <blp@ovn.org>
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"make sandbox" wants to install the ReST manpages, but it failed when
Sphinx wasn't available. This fixes the problem.
Fixes: 986311be550e ("ovs-sandbox: Install .rst manpages into the sandbox as well.")
Reported-by: Justin Pettit <jpettit@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Justin Pettit <jpettit@ovn.org>
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In the work made in our projects, it was found the need to have a faster
access to the rows contained in tables in the replica, as well to have
the possibility to loop over a subset of rows that meet some specified
criteria.
Those needs lead us to design and implement a functionality that
satisfies those requirements, so an implementation of special indexes were
done.
In order to keep the OVSDB server implementation unmodified and avoid
extra load of processing, the indexes are created as part of the IDL.
The indexes are created as part of the initialization of the replica request
and are maintained automatically when there are changes in the replica.
This document explains the design rationale of the compound indexes feature.
Signed-off-by: Javier Albornoz <javier.albornoz@hpe.com>
Signed-off-by: Esteban Rodriguez Betancourt <estebarb@hpe.com>
Signed-off-by: Jorge Arturo Sauma Vargas <jorge.sauma@hpe.com>
Co-authored-by: Javier Albornoz <javier.albornoz@hpe.com>
Co-authored-by: Esteban Rodriguez Betancourt <estebarb@hpe.com>
Co-authored-by: Jorge Arturo Sauma Vargas <jorge.sauma@hpe.com>
Co-aughored-by: Lance Richardson <lrichard@redhat.com>
Signed-off-by: Lance Richardson <lrichard@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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I has an idea what these were but that idea was somewhat incorrect and
out-of-date. Add a minimal guide to fill in these gaps, along with a
warning about how useless these things generally are now (yay,
vhost-user).
Signed-off-by: Stephen Finucane <stephen@that.guru>
Cc: Ciara Loftus <ciara.loftus@intel.com>
Cc: Kevin Traynor <ktraynor@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Andy Zhou <azhou@ovn.org>
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We don't care about building LaTeX documentation, so there's no need to
keep this build cruft around.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Let's start with a simple one that lets us focus on setting up most of
the required "infrastructure" for building man pages using Sphinx.
This changes the 'check-htmldocs' target to 'check-docs' as its now
responsible for building man page docs too.
Other than that, hurrah for (mostly) legible syntaxes.
[1] http://www.tldp.org/HOWTO/Man-Page/q2.html
Signed-off-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Suggested-by: Stephen Finucane <stephen@that.guru>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Stephen Finucane <stephen@that.guru>
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It's awkward to have to at the same time generate conf.py from conf.py.in
and to keep both versions in the repository. This avoids the issue.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Stephen Finucane <stephen@that.guru>
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Otherwise "make docs-check" won't necessarily do anything since its
apparent target is up to date.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Stephen Finucane <stephen@that.guru>
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