From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] sfc: disable RSS when unsupported Date: Thu, 28 Apr 2016 14:22:25 -0400 (EDT) Message-ID: <20160428.142225.2060200700551666300.davem@davemloft.net> References: <571E3CE4.6010808@solarflare.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, jcooper@solarflare.com, linux-net-drivers@solarflare.com To: bkenward@solarflare.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:40588 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750847AbcD1SW0 (ORCPT ); Thu, 28 Apr 2016 14:22:26 -0400 In-Reply-To: <571E3CE4.6010808@solarflare.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Bert Kenward Date: Mon, 25 Apr 2016 16:51:00 +0100 > From: Jon Cooper > > When certain firmware variants are selected (via the sfboot utility) the > SFC7000 and SFC8000 series NICs don't support RSS. The driver still > tries (and fails) to insert filters with the RSS flag, and the NIC fails > to pass traffic. > > When the firmware reports RSS_LIMITED suppress allocating a default RSS > context. The absence of an RSS context is picked up in filter insertion > and RSS flags are discarded. > > Signed-off-by: Bert Kenward Applied.