From 4224b9cf8fdba23fa35c1894eae42fd953a3780b Mon Sep 17 00:00:00 2001 From: Ben Pfaff Date: Tue, 30 Apr 2019 16:51:50 -0700 Subject: [PATCH] ovs-vswitchd: Update limits section in manpage. Reported-by: William Konitzer Acked-by: Numan Siddique Signed-off-by: Ben Pfaff --- vswitchd/ovs-vswitchd.8.in | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/vswitchd/ovs-vswitchd.8.in b/vswitchd/ovs-vswitchd.8.in index 901f75e6f..fcf22244a 100644 --- a/vswitchd/ovs-vswitchd.8.in +++ b/vswitchd/ovs-vswitchd.8.in @@ -319,13 +319,12 @@ limits assume the use of the Linux kernel datapath. \fBovs\-vswitchd\fR started through \fBovs\-ctl\fR(8) provides a limit of 65535 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 three file descriptors and adding a port consumes -"n-handler-threads" file descriptors per bridge port. Performance will degrade -beyond 1,024 ports per bridge due to fixed hash table sizing. Other platforms +of a single bridge consumes three file descriptors and each port +consumes one additional file descriptor. Other platforms may have different limitations. . .IP \(bu -2,048 MAC learning entries per bridge, by default. (This is +8,192 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.) . @@ -351,7 +350,10 @@ time linear in the number of flows. 32 mirrors per bridge. . .IP \(bu -15 bytes for the name of a port. (This is a Linux kernel limitation.) +15 bytes for the name of a port, for ports implemented in the Linux +kernel. Ports implemented in userspace, such as patch ports, do not +have an arbitrary length limitation. OpenFlow also limit port names +to 15 bytes. . .SH "SEE ALSO" .BR ovs\-appctl (8), -- 2.39.5