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Both OpenFlow and OVSDB have new IANA-assigned port numbers. We still
default to the original values (6633 and 6632, respectively), but this
commit logs a warning. In the future, we will switch to the official
values (6653 and 6640, respectively).
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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The OVS code has always made a distinction between the unencrypted (TCP)
and SSL port numbers for the OpenFlow and OVSDB protocols. The default
port numbers for both protocols has changed, and there continues to be
no distinction between the unencrypted and SSL versions. This
commit removes the distinction in port numbers. A future patch will
recognize the change in default port number.
Signed-off-by: Justin Pettit <jpettit@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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Found by Clang.
Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Ethan Jackson <ethan@nicira.com>
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The administrator can request that OVSDB bind any available TCP port, but
in that case there is no easy way to find out what port it has bound. This
commit adds that information as the "bound_port" key in the "status"
column.
Signed-off-by: Ben Pfaff <blp@nicira.com>
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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>
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Introduce set_dscp method to pstream.
This will be used by dynamic dscp change of listening socket.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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OpenFlow headers are not as uniform as they could be, with size, alignment,
and numbering changes from one version to another and across varieties
(e.g. ordinary messages vs. "stats" messages). Until now the Open vSwitch
internal APIs haven't done a good job of abstracting those differences in
header formats. This commit changes that; from this commit forward very
little code actually needs to understand the header format or numbering.
Instead, it can just encode or decode, or pull or put, the header using
a more abstract API using the ofpraw_, ofptype_, and other APIs in the
new ofp-msgs module.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Tested-by: Simon Horman <horms@verge.net.au>
Reviewed-by: Simon Horman <horms@verge.net.au>
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Replaced all instances of Nicira Networks(, Inc) to Nicira, Inc.
Feature #10593
Signed-off-by: Raju Subramanian <rsubramanian@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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There isn't a lot of value in sending inactivity probes on unix
sockets. This patch changes the default to disable them.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
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The changes allow the user to specify a separate dscp value for the
controller connection and the manager connection. The value will take
effect on resetting the connections. If no value is specified a default
value of 192 is chosen for each of the connections.
Feature #10074
Requested-by: Rajiv Ramanathan <rramanathan@nicira.com>
Signed-off-by: Mehak Mahajan <mmahajan@nicira.com>
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The intention is that, as each OpenFlow 1.1 and 1.2 feature is added to Open
vSwitch, the corresponding protocol definitions will be broken up this way:
- Definitions that are the same in OF1.0 and OF1.1 will retain the "OFP"
or "ofp" prefix and move to openflow-common.h.
- Definitions that are specific to OF1.0 will be renamed with an "OFP10"
or "ofp10" prefix and stay in openflow-1.0.h.
- Definitions that are specific to OF1.1 or to OF1.1 and OF1.2 will be
renamed with an "OFP11" or "ofp11" prefix and move to openflow-1.1.h.
- Definitions that are specific to OF1.2 will be renamed with an "OFP12"
or "ofp12" prefix and move to openflow-1.2.h.
This commit starts this process with some basic OpenFlow definitions.
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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force-reload-kmod command
In current implementation vswitchd adds Controller in-band rules only if
there is a route in kernel routing table that might route traffic to the
Controller. But, when executing force-reload-kmod command, network
configuration (e.g. assigned IP addresses, routes) are flushed away,
hence Controller in-band rules are not added.
This commit fixes this limitation and allows vswitchd to add Controller
in-band rules even if there are no routes in the kernel routing table.
Issue: #8625
Signed-off-by: Ansis Atteka <aatteka@nicira.com>
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The classes are never modified and may be declared constant.
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stream_init() didn't initialize the remote_ip, remote_port, local_ip, or
local_port members of the stream, so "unix" streams that don't have any of
those would get random values instead.
Reported-by: "Voravit T." <voravit@kth.se>
Reported-by: Jari Sundell <sundell.software@gmail.com>
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A negative size probably means that a system call failed. The caller could
set that to 0 but we might as well just tolerate it in
stream_report_content() by making the parameter type signed.
Coverity #10718.
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This message is supposed to be helpful but with the arguments in the wrong
order it was just confusing.
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Until now, the collection of coverage counters supported by a given OVS
program was not specific to that program. That means that, for example,
even though ovs-dpctl does not have anything to do with mac_learning, it
still has a coverage counter for it. This is confusing, at best.
This commit fixes the problem on some systems, in particular on ones that
use GCC and the GNU linker. It uses the feature of the GNU linker
described in its manual as:
If an orphaned section's name is representable as a C identifier then
the linker will automatically see PROVIDE two symbols: __start_SECNAME
and __end_SECNAME, where SECNAME is the name of the section. These
indicate the start address and end address of the orphaned section
respectively.
Systems that don't support these features retain the earlier behavior.
This commit also fixes the annoyance that files that include coverage
counters must be listed on COVERAGE_FILES in lib/automake.mk.
This commit also fixes the annoyance that modifying any source file that
includes a coverage counter caused all programs that link against
libopenvswitch.a to relink, even programs that the source file was not
linked into. For example, modifying ofproto/ofproto.c (which includes
coverage counters) caused tests/test-aes128 to relink, even though
test-aes128 does not link again ofproto.o.
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It's kind of odd for VLOG_DEFINE_THIS_MODULE to supply its own semicolon,
so this commit switches to the more common form.
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All streams and all vconns are "active", so there's no point in noting that
requirement in comments. (A long time ago, active and passive vconns were
conflated instead of having passive vconns broken out as pvconns. But
active and passive streams have always been distinct.)
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Until now, the collection of vlog modules supported by a given OVS program
was not specific to that program. That means that, for example, even
though ovs-dpctl does not have anything to do with jsonrpc, it still has
a vlog module for it. This is confusing, at best.
This commit fixes the problem on some systems, in particular on ones that
use GCC and the GNU linker. It uses the feature of the GNU linker
described in its manual as:
If an orphaned section's name is representable as a C identifier then
the linker will automatically see PROVIDE two symbols: __start_SECNAME
and __end_SECNAME, where SECNAME is the name of the section. These
indicate the start address and end address of the orphaned section
respectively.
Systems that don't support these features retain the earlier behavior.
This commit also fixes the annoyance that modifying lib/vlog-modules.def
causes all sources files that #include "vlog.h" to recompile.
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Adding a macro to define the vlog module in use adds a level of
indirection, which makes it easier to change how the vlog module must be
defined. A followup commit needs to do that, so getting these widespread
changes out of the way first should make that commit easier to review.
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While I was looking at the rconn code for connection backoff and retry, I
noticed that ovs-vswitchd was logging the following on each connection
attempt:
Jun 11 15:17:41|00020|vconn_stream|ERR|send: Connection refused
The "send:" part didn't make much sense. The configured controller was not
actually running, so the vconn code should not have been able to connect
at all, so the message should have been about a connection failing, not
about sending on a completed connection failing.
Investigation showed that different parts of the library have different
ideas about return value semantics. vconn_open() and stream_open() both
return 0 if a connection succeeded or if one is in progress, but some of
its callers thought that it returned 0 if the connection succeeded and
EAGAIN if the connection was in progress. This commit fixes up the callers
that had the wrong idea, by making them instead all vconn_connect() or
stream_connect() to determine whether the connection is complete.
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Sometimes, when a user asks me to help debug a problem, it turns out that
an SSL connection was being made on a TCP port, or vice versa, or that an
OpenFlow connection was being made on a JSON-RPC port, or vice versa, and
so on. This commit adds log messages that diagnose this kind of problem,
e.g. "tcp:127.0.0.1:6633: received JSON-RPC data on OpenFlow channel".
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The fatal-signal library notices and records fatal signals (e.g. SIGTERM)
and terminates the process on the next trip through poll_block(). But
some special utilities do not always invoke poll_block() promptly, e.g.
"ovs-ofctl monitor" does not call poll_block() as long as OpenFlow messages
are available. But these special cases seem like they are all likely to
call into functions that themselves block (those with "_block" in their
names). So make a new rule that such functions should always call
fatal_signal_run(), either directly or through poll_block(). This commit
implements and documents that rule.
Bug #2625.
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These functions will be used elsewhere in an upcoming commit.
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This change makes it possible to separate opening a stream from blocking on
connection completion. This avoids some code redundancy in an upcoming
commit.
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These functions can be useful for checking whether a given name is an
active or passive connection method.
The implementation is cut-and-paste from vconn_verify_name() and
pvconn_verify_name().
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The main change here is the need to update all of the uses of UNUSED in
the next branch to OVS_UNUSED as it is now spelled on "master".
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SSL streams were supposed to work, but they didn't. Oops.
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SSL, which will be added in an upcoming commit, requires some background
processing, which is best done in a "run" function in our architecture.
This commit adds stream_run() and stream_run_wait() and calls to them from
the places where they will be required.
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These invariants are checked by vconn_open() and stream_open(), but there
is no reason not to check them earlier also. vconn and stream creation
don't have to go through vconn_open() and stream_open(), so this ensures
that the invariants get checked either way.
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This code is heavily based on the vconn code. Eventually we should make
the stream-based vconns (currently that's all of them) a wrapper around
streams, but I haven't done that yet.
SSL is not implemented yet.
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