From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 0/2] net: Set maximum receive packet size on veth interfaces Date: Tue, 09 May 2017 13:48:39 -0400 (EDT) Message-ID: <20170509.134839.2008658486655854998.davem@davemloft.net> References: <20170509124439.45674-1-fredrik.markstrom@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: eric.dumazet@gmail.com, daniel@iogearbox.net, netdev@vger.kernel.org, bridge@lists.linux-foundation.org, ast@kernel.org, linux-kernel@vger.kernel.org To: fredrik.markstrom@gmail.com Return-path: In-Reply-To: <20170509124439.45674-1-fredrik.markstrom@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: bridge-bounces@lists.linux-foundation.org Errors-To: bridge-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org From: Fredrik Markstrom Date: Tue, 9 May 2017 14:44:36 +0200 > Currently veth drops all packets larger then the mtu set on the > receiving end of the pair. This is inconsistent with most hardware > ethernet drivers. False. In fact, many pieces of ethernet hardware a not physically capable of sending even VLAN packets that are above the normal base ethernet MTU. It is therefore untenable to remove this restriction univerally like this.