X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=vswitchd%2Fovs-vswitchd.8.in;h=0dd091f26fcc67d78b39ccf3149ba73cfb9b29f4;hb=ac60863f78e412004c5b69f5a64a49bc6f0bc46d;hp=43c5d244890189d28a01b0e7ececb5598b27cd32;hpb=6901e5e22831a78797b90bd1588bb8f3e8fdeac1;p=sliver-openvswitch.git diff --git a/vswitchd/ovs-vswitchd.8.in b/vswitchd/ovs-vswitchd.8.in index 43c5d2448..0dd091f26 100644 --- a/vswitchd/ovs-vswitchd.8.in +++ b/vswitchd/ovs-vswitchd.8.in @@ -7,8 +7,6 @@ .TH ovs\-vswitchd 8 "@VERSION@" "Open vSwitch" "Open vSwitch Manual" .\" This program's name: .ds PN ovs\-vswitchd -.\" SSL peer program's name: -.ds SN ovs\-controller . .SH NAME ovs\-vswitchd \- Open vSwitch daemon @@ -98,7 +96,6 @@ configuration. .so lib/ssl-bootstrap.man .so lib/vlog.man .so lib/common.man -.so lib/leak-checker.man . .SH "RUNTIME MANAGEMENT COMMANDS" \fBovs\-appctl\fR(8) can send commands to a running @@ -111,6 +108,15 @@ Causes \fBovs\-vswitchd\fR to gracefully terminate. .IP "\fBqos/show\fR \fIinterface\fR" Queries the kernel for Quality of Service configuration and statistics associated with the given \fIinterface\fR. +.IP "\fBbfd/show\fR [\fIinterface\fR]" +Displays detailed information about Bidirectional Forwarding Detection +configured on \fIinterface\fR. If \fIinterface\fR is not specified, +then displays detailed information about all interfaces with BFD +enabled. +.IP "\fBbfd/set-forwarding\fR [\fIinterface\fR] \fIstatus\fR" +Force the fault status of the BFD module on \fIinterface\fR (or all +interfaces if none is given) to be \fIstatus\fR. \fIstatus\fR can be +"true", "false", or "normal" which reverts to the standard behavior. .IP "\fBcfm/show\fR [\fIinterface\fR]" Displays detailed information about Connectivity Fault Management configured on \fIinterface\fR. If \fIinterface\fR is not specified, @@ -209,7 +215,26 @@ enabled. .so lib/vlog-unixctl.man .so lib/memory-unixctl.man .so lib/coverage-unixctl.man -.so lib/stress-unixctl.man +. +.SH "OPENFLOW IMPLEMENTATION" +. +.PP +This section documents aspects of OpenFlow for which the OpenFlow +specification requires documentation. +. +.SS "Packet buffering." +The OpenFlow specification, version 1.2, says: +. +.IP +Switches that implement buffering are expected to expose, through +documentation, both the amount of available buffering, and the length +of time before buffers may be reused. +. +.PP +Open vSwitch maintains a separate set of 256 packet buffers for each +OpenFlow connection. Any given packet buffer is preserved until it is +referenced by an \fBOFPT_FLOW_MOD\fR or \fBOFPT_PACKET_OUT\fR request +or for 5 seconds, whichever comes first. . .SH "LIMITS" . @@ -218,16 +243,17 @@ We believe these limits to be accurate as of this writing. These limits assume the use of the Linux kernel datapath. . .IP \(bu -Approximately 256 bridges given the allowance of 5,000 file -descriptors that \fBovs\-ctl\fR(8) configures. (\fBovs\-vswitchd\fR -requires 17 file descriptors per datapath.) -. -.IP \(bu -65,280 ports per bridge. Performance will degrade beyond 1,024 ports -per bridge due to fixed hash table sizing. +\fBovs\-vswitchd\fR started through \fBovs\-ctl\fR(8) provides a limit of 7500 +file descriptors. The limits on the number of bridges and ports is decided by +the availability of file descriptors. With the Linux kernel datapath, creation +of a single bridge consumes 3 file descriptors and adding a port consumes +1 file descriptor. Performance will degrade beyond 1,024 ports per bridge due +to fixed hash table sizing. Other platforms may have different limitations. . .IP \(bu -2,048 MAC learning entries per bridge. +2,048 MAC learning entries per bridge, by default. (This is +configurable via \fBother\-config:mac\-table\-size\fR in the +\fBBridge\fR table. See \fBovs\-vswitchd.conf.db\fR(5) for details.) . .IP \(bu Kernel flows are limited only by memory available to the kernel.