Merge "citrix" branch into "master".

[sliver-openvswitch.git] / vswitchd / ovs-vswitchd.8.in

diff --git a/vswitchd/ovs-vswitchd.8.in b/vswitchd/ovs-vswitchd.8.in
index 8579421..0ec1ecd 100644 (file)
--- a/vswitchd/ovs-vswitchd.8.in
+++ b/vswitchd/ovs-vswitchd.8.in
@@ -12,21 +12,25 @@ ovs\-vswitchd \- Open vSwitch daemon
 .
 .SH SYNOPSIS
 .B ovs\-vswitchd
-\fIconfig\fR
+\fIdatabase\fR
 .
 .SH DESCRIPTION
 A daemon that manages and controls any number of Open vSwitch switches 
 on the local machine.
 .PP
-The mandatory \fIconfig\fR argument specifies a configuration file.
-For a description of \fBovs\-vswitchd\fR configuration syntax, see
-\fBovs\-vswitchd.conf\fR(5).
+The mandatory \fIdatabase\fR argument specifies the
+\fBovsdb\-server\fR from which \fBovs\-vswitchd\fR's configuration
+should be retrieved.  It takes one of the following forms:
+.so ovsdb/remote-active.man
 .PP
-At startup or upon receipt of a \fBSIGHUP\fR signal, \fBovs\-vswitchd\fR
-reads the configuration file.  It sets up Open vSwitch datapaths and then 
-operates switching across each bridge described in its configuration 
-files.  If a logfile was specified on the command line it will also 
-be opened or reopened.
+\fBovs\-vswitchd\fR retrieves its configuration from \fIdatabase\fR at
+startup.  It sets up Open vSwitch datapaths and then operates
+switching across each bridge described in its configuration files.  As
+the database changes, \fBovs\-vswitchd\fR automatically updates its
+configuration to match.
+.PP
+Upon receipt of a SIGHUP signal, \fBovs\-vswitchd\fR reopens its log
+file, if one was specified on the command line.
 .PP
 \fBovs\-vswitchd\fR switches may be configured with any of the following 
 features:
@@ -48,6 +52,9 @@ Port mirroring, with optional VLAN tagging.
 NetFlow v5 flow logging.
 .
 .IP \(bu
+sFlow(R) monitoring.
+.
+.IP \(bu
 Connectivity to an external OpenFlow controller, such as NOX.
 .
 .PP
@@ -67,6 +74,17 @@ Open vSwitch distribution for instructions on how to build and load
 the Open vSwitch kernel module.
 .PP
 .SH OPTIONS
+.IP "\fB--mlockall\fR"
+Causes \fBovs\-vswitchd\fR to call the \fBmlockall()\fR function, to
+attempt to lock all of its process memory into physical RAM,
+preventing the kernel from paging any of its memory to disk.  This
+helps to avoid networking interruptions due to system memory pressure.
+.IP
+Some systems do not support \fBmlockall()\fR at all, and other systems
+only allow privileged users, such as the superuser, to use it.
+\fBovs\-vswitchd\fR emits a log message if \fBmlockall()\fR is
+unavailable or unsuccessful.
+.
 .IP "\fB--fake-proc-net\fR"
 Causes \fBovs\-vswitchd\fR to simulate some files in \fB/proc/net/vlan\fR
 and \fB/proc/net/bonding\fR that some legacy software expects to
@@ -75,6 +93,9 @@ actually in use.  It requires the \fBbrcompat_mod.ko\fR kernel module
 to be loaded.
 .
 .so lib/daemon.man
+.SS "Public Key Infrastructure Options"
+.so lib/ssl.man
+.so lib/ssl-bootstrap.man
 .so lib/vlog.man
 .so lib/common.man
 .so lib/leak-checker.man
@@ -83,22 +104,19 @@ to be loaded.
 \fBovs\-appctl\fR(8) can send commands to a running
 \fBovs\-vswitchd\fR process.  The currently supported commands are
 described below.  The command descriptions assume an understanding of
-how to configure Open vSwitch, as described in
-\fBovs-vswitchd.conf\fR(5).
-.SS "OVS\-VSWITCHD COMMANDS"
-These commands manage the \fBovs-vswitchd\fR process.
-.IP "\fBvswitchd/reload\fR"
-Reloads the \fBovs\-vswitchd\fR configuration file, as if a
-\fBSIGHUP\fR signal were received.  The command completes only after
-reloading is finished, in particular after all datapaths have been
-created and destroyed and ports added and removed as specified by the
-new configuration.
+how to configure Open vSwitch.
 .SS "BRIDGE COMMANDS"
 These commands manage bridges.
 .IP "\fBfdb/show\fR \fIbridge\fR"
 Lists each MAC address/VLAN pair learned by the specified \fIbridge\fR,
 along with the port on which it was learned and the age of the entry,
 in seconds.
+.
+.IP "\fBbridge/dump-flows\fR \fIbridge\fR"
+Lists all flows in \fIbridge\fR, including those normally hidden to
+commands such as \fBovs-ofctl dump-flows\fR.  Flows set up by mechanisms
+such as in-band control and fail-open are hidden from the controller
+since it is not allowed to modify or override them.
 .SS "BOND COMMANDS"
 These commands manage bonded ports on an Open vSwitch's bridges.  To
 understand some of these commands, it is important to understand a
@@ -148,6 +166,6 @@ Returns the hash value which would be used for \fImac\fR.
 .so lib/vlog-unixctl.man
 .SH "SEE ALSO"
 .BR ovs\-appctl (8),
-.BR ovs\-vswitchd.conf (5),
 .BR ovs\-brcompatd (8),
+.BR ovsdb\-server (1),
 \fBINSTALL.Linux\fR in the Open vSwitch distribution.