From patchwork Tue Apr 30 23:51:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Pfaff X-Patchwork-Id: 1093524 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=openvswitch.org (client-ip=140.211.169.12; helo=mail.linuxfoundation.org; envelope-from=ovs-dev-bounces@openvswitch.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ovn.org Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 44tyxv72X4z9s5c for ; Wed, 1 May 2019 09:52:35 +1000 (AEST) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id E88612542; Tue, 30 Apr 2019 23:52:30 +0000 (UTC) X-Original-To: dev@openvswitch.org Delivered-To: ovs-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 3940F253F for ; Tue, 30 Apr 2019 23:52:00 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 73CB95F4 for ; Tue, 30 Apr 2019 23:51:59 +0000 (UTC) X-Originating-IP: 66.170.99.95 Received: from sigill.benpfaff.org (unknown [66.170.99.95]) (Authenticated sender: blp@ovn.org) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id D1D7D60006; Tue, 30 Apr 2019 23:51:55 +0000 (UTC) From: Ben Pfaff To: dev@openvswitch.org Date: Tue, 30 Apr 2019 16:51:50 -0700 Message-Id: <20190430235150.11936-1-blp@ovn.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Cc: Ben Pfaff , William Konitzer Subject: [ovs-dev] [PATCH] ovs-vswitchd: Update limits section in manpage. X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ovs-dev-bounces@openvswitch.org Errors-To: ovs-dev-bounces@openvswitch.org Reported-by: William Konitzer Signed-off-by: Ben Pfaff Acked-by: Numan Siddique --- 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 901f75e6f300..fcf22244a60f 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),