It can be useful to remotely determine the MAC addresses of attached
interfaces without going through OpenFlow. This adds the MAC address to
a new 'mac_in_use' column on the Interface table.
Feature #15551
Requested-by: Paul Ingram <paul@nicira.com>
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Commit 9a9e3786b3 (ofproto: Merge all the CFM query functions into one.)
mistakenly interpreted struct ofproto_cfm_status as always being in the
range [0,100]. It can in fact take the value -1 if the health status is
not currently well-defined.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
Commit 9a9e3786b3 (ofproto: Merge all the CFM query functions into one.)
mistakenly transformed a tristate variable into a Boolean one. This commit
fixes the problem.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
This eliminates several function calls and in particular several
hash table lookups to find structures corresponding to a port
number from iface_refresh_cfm_stats().
This does not seem to reduce CPU use, but the code is shorter
and more readable.
Bug #15171.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
It makes more sense to use enum ofp12_controller_role here than
to use enum nx_role, because the former is a superset of the latter and
we can then get rid of a bool member too.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Until now, "unix:" and "punix:" paths that are not absolute have
been considered relative to the current working directory. It
is more useful to consider them relative to the rundir, so this
commit makes that change to the C and Python implementations of
the stream code.
This commit also relaxes the whitelist check in the bridge code
so that any name that does not contain a "/" is considered OK.
Signed-off-by: Pavithra Ramesh <paramesh@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Stable bond mode, along with autopath, were trying to implement
functionality close to what we get from the bundle action.
Unfortunately, they are quite clunky, and generally less useful
than bundle, so they're being removed.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
This function has a parameter 'ofp_port' and a local variable 'ofp_port',
so rename the local variable to reduce confusion.
Found by Coverity.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
This is a straight search-and-replace, except that I also removed #include
<assert.h> from each file where there were no assert calls left.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
Following patch removes restriction on the listening socket name that gets
configured as bridge controller. Currently, we only connect to sockets in a
specific directory with the name of the bridge. This patch removes the
restriction on the bridge name, keeping the directory restriction.
Bug #14029.
Signed-off-by: Pavithra Ramesh <paramesh@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Felician Nemeth <nemethf@tmit.bme.hu>
[blp@nicira.com refactored the code that this was based on and revised the
patch accordingly]
Signed-off-by: Ben Pfaff <blp@nicira.com>
An ovs_be32 is a more obvious way to represent an IP address than a
pointer to one. It is also more type-safe, especially since "sparse" is
able to check that the argument is in network byte order.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
When built with Clang, vswitchd segfaulted in ovsrec_open_vswitch_init,
from calling memset() on a const struct.
Signed-off-by: Ed Maste <emaste@freebsd.org>
Signed-off-by: Ben Pfaff <blp@nicira.com>
We've had a couple of requests for this over the years. It's easy to do,
so let's implement it.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Kyle Mestery <kmestery@cisco.com>
Commit 1a8cfb41(bridge: Drop warning about thedefault bridge Ethernet
address.) attempted to reduce unnecessary logging, but deleted some code
that was necessary to set the mac address on local ports when no
physical ports were attached.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Issue #14126
This information is also available via ovs-ofctl and through other means,
and it's not really anything we need to warn about anyhow.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
Currently, the 'ofport' column in Interface table is
ephemeral and is populated by vswitchd everytime it is
started or when a new interface is created with vswitchd
running.
Making it persistent lets vswitchd try and assign the
same ofport number to a particular interface across
restarts. This is just a fallback option when
'ofport_request' column is empty.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Versions may be configured using the protocols column of
the bridge table. The protocols column is a set which accepts zero
or more of the values: 'OpenFlow10' and 'OpenFlow12'.
If the protocols column is empty, then OpenFlow10 is used.
This default is consistent with the behaviour of ovs-vswtichd
prior to this patch.
Signed-off-by: Simon Horman <horms@verge.net.au>
[blp@nicira.com adjusted comments and documentation]
Signed-off-by: Ben Pfaff <blp@nicira.com>
The kernel datapath automatically "up"s internal devices, but this
wasn't happening for the userspace datapath. This change has the bridge
module always "up" them.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Use the new ofproto function that returns how a port should be opened
based on the datapath type. This fixes a problem with internal ports
being attached to userspace datapaths.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Allow allowed Open Flow versions to be passed rather
than relying on hard-coded defaults.
This is in preparation for allowing configuration of the
allowed OpenFlow versions.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
When the database is initially created there may no be rows in the
Open_vSwitch table. In this case, the ovsrec_open_vswitch passed
to bridge_init_ofproto() is NULL and causes a segmentation fault.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
When a link is down, or when a link has no speed because it is not a
physical interface, Open vSwitch previously reported that its rate is 100
Mbps as a default. This is counterintuitive, however, so this commit
changes Open vSwitch behavior to report 0 Mbps when a link is down or its
speed is otherwise unavailable.
Bug #13388.
Reported-by: Hiroshi Tanaka <htanaka@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit switches to using a single backing datapath (called
"ovs-datapath") for all bridges of that datapath's type. Previously,
resources couldn't be shared across bridges, since each was in its own
datapath. This change will allow sharing of tunnels and cheaper patch
ports to be added in the future.
Since bridges share a common datapath, the ovs-dpctl commands won't
provide bridge-specific information. Users wishing to have that
information should use the new "ovs-appctl dpif/*" commands as
documented in ovs-vswitchd(8).
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Add the ability for ofproto providers to have top-level "run",
"run_fast", and "wait" methods, similar to the current ofproto ones.
There are no current users, but this will be useful in a future commit.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
A future commit will make all bridges of a particular dpif share a
single backing datapath. In order to handle restart, the datapath will
need to have some idea of what the initial state looks like. Otherwise,
it won't know which ports belong to which bridges and orphaned ports may
never be cleaned up.
This commit introduces an initialization method to ofproto, which takes
as an argument a high-level description of the bridges and ports. An
ofproto provider can then use this information to initialize its state.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
A new "ofport_request" column makes it possible to request the OpenFlow
port number when adding a port.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Before this patch, when a tunnel is configured with key=flow, CFM
didn't verify that incoming packets had the appropriate key of
zero. This could cause the CFM module to consume packets which
weren't actually intended for it.
Bug #13542.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
ovs-vswitchd should only write to write-only columns. Furthermore,
writing to a column which is not write-only can cause serious
performance degradations. This patch causes ovs-vswitchd to log
and reject writes to read-write columns.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
This column should be write only, otherwise every call to update it
has to make a trip to the database. Since this column is updated
every time through the run loop as part of refresh_instant_stats(),
this patch fixes a significant performance degradation.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
Commit a699f614 (lib: Utilize smaps in the idl.) broke the
other_config:stp-enable port setting in two ways. First, it
changed the default if the setting was missing to disabled.
Second, if the setting was present, it did the opposite of what the
user configured.
Bug #13122.
Reported-by: Paul Ingram <paul@nicira.com>
Signed-off-by: Ethan Jackson <ethan@nicira.com>
It's not entirely clear what problem the null interface type is
trying to solve, nor how it could be of use to any controller.
This patch deprecates it, and schedules its removal for February
2013. If there are concerns, please email dev@openvswitch.org.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
This counter was off by one, because port_num
should be less than STP_MAX_PORTS.
This caused an assert hit later in stp_get_port().
Issue: 13059
Signed-off-by: Ansis Atteka <aatteka@nicira.com>
Reported-by: Ram Jothikumar <rjothikumar@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
Traditionally the bridge has written interface and port statistics
to the database in a rate limited fashion. This makes a lot of
sense for statistics which are either constantly changing, or are
expensive to collect. However, some statistics were rate limited
which have neither of these properties. Furthermore some of these
statistics (most notably carrier) could be very useful to a
controller if updated promptly.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
A controller may want to know the remote CFM opstate of a given CFM
enabled interface. This patch makes this data available in the
database.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
The enable_system_stats() function calls smap_get_bool() on the
ovsrec_open_vswitch passed to it. This was segmentation faulting
when 'null_cfg' defined in bridge_reconfigure() was used because
there was no Open vSwitch table.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
"smap" is now the appropriate data structure for a string-to-string map.
Also changes ovsdb_datum_from_shash() into ovsdb_datum_from_smap() since
system-stats related code was the only client.
Signed-off-by: Ben Pfaff <blp@nicira.com>
This fixes unit tests, and generally seems more correct.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
[blp@nicira.com added the change to ovs-vswitchd]
Signed-off-by: Ben Pfaff <blp@nicira.com>
The layering between ofproto and ovs-vswitchd caused the datapath ID to be
logged in a needlessly confusing way. First, ofproto would log its
default datapath ID:
using datapath ID 0000505400000004
then the bridge code would immediately determine the datapath ID that it
wanted and call ofproto_set_datapath_id(), which would log the change
datapath ID changed to 0000111122223333
This commit stops logging the default datapath ID, which is never actually
visible in OpenFlow. This should make the log files easier to understand.
Bug #12164.
Reported-by: Jacob Cherkas <jcherkas@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Adding and deleting ports can be extremely expensive so it makes
sense to get important work done before and after doing it.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
String to string maps are used all over the Open vSwitch database.
Before this patch, they were implemented in the idl as parallel
string arrays. This strategy has proven a bit cumbersome. With
this patch, string to string maps are implemented using the smap
library.
Signed-off-by: Ethan Jackson <ethan@nicira.com>