From owner-freebsd-net@freebsd.org Thu Dec 17 22:16:10 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0D21FA4A900 for ; Thu, 17 Dec 2015 22:16:10 +0000 (UTC) (envelope-from daemon-user@freebsd.org) Received: from phabric-backend.rbsd.freebsd.org (unknown [IPv6:2607:fc50:2000:101::1bb:73]) by mx1.freebsd.org (Postfix) with ESMTP id EE8B7135B for ; Thu, 17 Dec 2015 22:16:09 +0000 (UTC) (envelope-from daemon-user@freebsd.org) Received: by phabric-backend.rbsd.freebsd.org (Postfix, from userid 1346) id ED16811EBD; Thu, 17 Dec 2015 22:16:09 +0000 (UTC) Date: Thu, 17 Dec 2015 22:16:09 +0000 To: freebsd-net@freebsd.org From: "melifaro (Alexander V. Chernikov)" Reply-to: D1986+325+381818416dc12ca2@reviews.freebsd.org Subject: [Differential] [Commented On] D1986: Teach lagg(4) to change MTU Message-ID: X-Priority: 3 X-Phabricator-Sent-This-Message: Yes X-Mail-Transport-Agent: MetaMTA X-Auto-Response-Suppress: All X-Phabricator-Mail-Tags: Thread-Topic: D1986: Teach lagg(4) to change MTU X-Herald-Rules: none, <28> X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-Cc: X-Phabricator-Cc: X-Phabricator-Cc: X-Phabricator-Cc: X-Phabricator-Cc: X-Phabricator-Cc: X-Phabricator-Cc: X-Phabricator-Cc: X-Phabricator-Cc: Precedence: bulk In-Reply-To: References: Thread-Index: ODZhMzNlYThiYzMxOTgzYmRhMDE5M2Q2Yzk4IFZzNCk= MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Dec 2015 22:16:10 -0000 melifaro added inline comments. INLINE COMMENTS sys/net/if_lagg.c:728 What if we have multiple events queued on tasq? e.g mtu AND mac change sys/net/if_lagg.c:763 Not that easy, unfortunately. At this moment original ioctl returned 0, so other things/events were fired: rtsock notification, IPv6 nd mtg update, route table mtg update.. see net/if.c for more details. Trying to silently revert part of it without dealing with other things is not a good idea. REPOSITORY rS FreeBSD src repository REVISION DETAIL https://reviews.freebsd.org/D1986 EMAIL PREFERENCES https://reviews.freebsd.org/settings/panel/emailpreferences/ To: rpokala, rstone, rpokala-panasas.com Cc: smh, imp, melifaro, hrs, sbruno, lakshmi.n_msystechnologies.com, emaste, ae, freebsd-net-list