From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] ixgbe: fix a x550 DCB issue Date: Wed, 09 Sep 2015 14:28:34 +0200 Message-ID: <5000913.VDPRVFQlOm@xps13> References: <1440573069-9385-1-git-send-email-wenzhuo.lu@intel.com> <9BB6961774997848B5B42BEC655768F8CCADE4@SHSMSX104.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: "Lu, Wenzhuo" Return-path: Received: from mail-wi0-f173.google.com (mail-wi0-f173.google.com [209.85.212.173]) by dpdk.org (Postfix) with ESMTP id B5E815958 for ; Wed, 9 Sep 2015 14:29:42 +0200 (CEST) Received: by wicge5 with SMTP id ge5so153083684wic.0 for ; Wed, 09 Sep 2015 05:29:42 -0700 (PDT) In-Reply-To: <9BB6961774997848B5B42BEC655768F8CCADE4@SHSMSX104.ccr.corp.intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > > There's a DCB issue on x550. For 8 TCs, if a packet with user priority 6 or 7 is > > injected to the NIC, then the NIC will put 3 packets into the queue. There's > > also a similar issue for 4 TCs. > > The root cause is RXPBSIZE is not right. RXPBSIZE of x550 is 384. It's different > > from other 10G NICs. We need to set the RXPBSIZE according to the NIC type. > > > > Signed-off-by: Wenzhuo Lu > Acked-by: Jingjing Wu Applied, thanks