From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] cxgb4: Reset dcb state machine and tx queue prio only if dcb is enabled Date: Sat, 07 May 2016 15:16:05 -0400 (EDT) Message-ID: <20160507.151605.680566397138476812.davem@davemloft.net> References: <1462426539-5729-1-git-send-email-hariprasad@chelsio.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, leedom@chelsio.com, nirranjan@chelsio.com To: hariprasad@chelsio.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:35554 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750857AbcEGTQI (ORCPT ); Sat, 7 May 2016 15:16:08 -0400 In-Reply-To: <1462426539-5729-1-git-send-email-hariprasad@chelsio.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Hariprasad Shenai Date: Thu, 5 May 2016 11:05:39 +0530 > When cxgb4 is enabled with CONFIG_CHELSIO_T4_DCB set, VI enable command > gets called with DCB enabled. But when we have a back to back setup with > DCB enabled on one side and non-DCB on the Peer side. Firmware doesn't > send any DCB_L2_CFG, and DCB priority is never set for Tx queue. > But driver resets the queue priority and state machine whenever there > is a link down, this patch fixes it by adding a check to reset only if > cxgb4_dcb_enabled() returns true. > > Signed-off-by: Hariprasad Shenai Applied.