Path: csiph.com!news.mixmin.net!aioe.org!bofh.it!news.nic.it!robomod From: Jarod Wilson Newsgroups: linux.kernel Subject: [PATCH net] team: use ETH_MAX_MTU as max mtu Date: Mon, 06 Mar 2017 15:10:04 +0100 Message-ID: X-Original-To: linux-kernel@vger.kernel.org X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 06 Mar 2017 13:49:08 +0000 (UTC) Sender: robomod@news.nic.it List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Approved: robomod@news.nic.it Lines: 30 Organization: linux.* mail to news gateway X-Original-Cc: Jarod Wilson , Cong Wang , Jiri Pirko , netdev@vger.kernel.org X-Original-Date: Mon, 6 Mar 2017 08:48:58 -0500 X-Original-Message-ID: <20170306134858.2096-1-jarod@redhat.com> X-Original-Sender: linux-kernel-owner@vger.kernel.org Xref: csiph.com linux.kernel:1593388 This restores the ability to set a team device's mtu to anything higher than 1500. Similar to the reported issue with bonding, the team driver calls ether_setup(), which sets an initial max_mtu of 1500, while the underlying hardware can handle something much larger. Just set it to ETH_MAX_MTU to support all possible values, and the limitations of the underlying devices will prevent setting anything too large. Fixes: 91572088e3fd ("net: use core MTU range checking in core net infra") CC: Cong Wang CC: Jiri Pirko CC: netdev@vger.kernel.org Signed-off-by: Jarod Wilson --- drivers/net/team/team.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 4a24b5d15f5a..1b52520715ae 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2072,6 +2072,7 @@ static int team_dev_type_check_change(struct net_device *dev, static void team_setup(struct net_device *dev) { ether_setup(dev); + dev->max_mtu = ETH_MAX_MTU; dev->netdev_ops = &team_netdev_ops; dev->ethtool_ops = &team_ethtool_ops; -- 2.11.0