From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Axtens Subject: [PATCH 1/3] docs: segmentation-offloads.txt: update for UFO depreciation Date: Wed, 14 Feb 2018 18:05:31 +1100 Message-ID: <20180214070533.28377-2-dja@axtens.net> References: <20180214070533.28377-1-dja@axtens.net> Cc: Daniel Axtens To: netdev@vger.kernel.org Return-path: Received: from mail-pg0-f66.google.com ([74.125.83.66]:44230 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754470AbeBNHGD (ORCPT ); Wed, 14 Feb 2018 02:06:03 -0500 Received: by mail-pg0-f66.google.com with SMTP id j9so1605213pgp.11 for ; Tue, 13 Feb 2018 23:06:03 -0800 (PST) In-Reply-To: <20180214070533.28377-1-dja@axtens.net> Sender: netdev-owner@vger.kernel.org List-ID: UFO is deprecated except for tuntap and packet per 0c19f846d582, ("net: accept UFO datagrams from tuntap and packet"). Update UFO docs to reflect this. Signed-off-by: Daniel Axtens --- Documentation/networking/segmentation-offloads.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/networking/segmentation-offloads.txt b/Documentation/networking/segmentation-offloads.txt index 2f09455a993a..2cda12ab7075 100644 --- a/Documentation/networking/segmentation-offloads.txt +++ b/Documentation/networking/segmentation-offloads.txt @@ -49,6 +49,10 @@ datagram into multiple IPv4 fragments. Many of the requirements for UDP fragmentation offload are the same as TSO. However the IPv4 ID for fragments should not increment as a single IPv4 datagram is fragmented. +UFO is deprecated: modern kernels will no longer generate UFO skbs, but can +still receive them from tuntap and similar devices. Offload of UDP-based +tunnel protocols is still supported. + IPIP, SIT, GRE, UDP Tunnel, and Remote Checksum Offloads ======================================================== -- 2.14.1