From patchwork Thu Jun 15 02:13:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rahul Lakkireddy X-Patchwork-Id: 25321 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 963352C29; Thu, 15 Jun 2017 04:14:12 +0200 (CEST) Received: from stargate.chelsio.com (stargate.chelsio.com [12.32.117.8]) by dpdk.org (Postfix) with ESMTP id 417B82C0B for ; Thu, 15 Jun 2017 04:14:09 +0200 (CEST) Received: from localhost (scalar.blr.asicdesigners.com [10.193.185.94]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id v5F2E5Ht027717; Wed, 14 Jun 2017 19:14:06 -0700 From: Rahul Lakkireddy To: dev@dpdk.org Cc: Nirranjan Kirubaharan , Indranil Choudhury , Kumar Sanghvi Date: Thu, 15 Jun 2017 07:43:54 +0530 Message-Id: <1544a9edb949b2ad7b75b5325ebb9230c93a8090.1497453009.git.rahul.lakkireddy@chelsio.com> X-Mailer: git-send-email 2.5.3 Subject: [dpdk-dev] [PATCH] cxgbe: fix alignment for data offset in mbufs X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Fixup alignment for data offset when refilling mbufs. Fixes: edd04c619685 ("net/cxgbe: update Rx path for Chelsio T6") Signed-off-by: Rahul Lakkireddy Signed-off-by: Kumar Sanghvi --- drivers/net/cxgbe/sge.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/cxgbe/sge.c b/drivers/net/cxgbe/sge.c index d088065..4e4a462 100644 --- a/drivers/net/cxgbe/sge.c +++ b/drivers/net/cxgbe/sge.c @@ -415,7 +415,11 @@ static unsigned int refill_fl_usembufs(struct adapter *adap, struct sge_fl *q, } rte_mbuf_refcnt_set(mbuf, 1); - mbuf->data_off = RTE_PKTMBUF_HEADROOM; + mbuf->data_off = + (uint16_t)(RTE_PTR_ALIGN((char *)mbuf->buf_addr + + RTE_PKTMBUF_HEADROOM, + adap->sge.fl_align) - + (char *)mbuf->buf_addr); mbuf->next = NULL; mbuf->nb_segs = 1; mbuf->port = rxq->rspq.port_id;