From patchwork Thu Apr 19 23:57:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 38586 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 [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A5534A494; Fri, 20 Apr 2018 01:58:04 +0200 (CEST) Received: from rnd-relay.smtp.broadcom.com (rnd-relay.smtp.broadcom.com [192.19.229.170]) by dpdk.org (Postfix) with ESMTP id 96EE68D9D; Fri, 20 Apr 2018 01:57:59 +0200 (CEST) Received: from nis-sj1-27.broadcom.com (nis-sj1-27.lvn.broadcom.net [10.75.144.136]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 56CD830C048; Thu, 19 Apr 2018 16:57:58 -0700 (PDT) Received: from C02VPB22HTD6.dhcp.broadcom.net (c02vpb22htd6.dhcp.broadcom.net [10.136.50.120]) by nis-sj1-27.broadcom.com (Postfix) with ESMTP id E05BFAC076E; Thu, 19 Apr 2018 16:57:57 -0700 (PDT) From: Ajit Khaparde To: dev@dpdk.org Cc: stable@dpdk.org Date: Thu, 19 Apr 2018 16:57:54 -0700 Message-Id: <20180419235754.75550-4-ajit.khaparde@broadcom.com> X-Mailer: git-send-email 2.15.1 (Apple Git-101) In-Reply-To: <20180419235754.75550-1-ajit.khaparde@broadcom.com> References: <20180419235754.75550-1-ajit.khaparde@broadcom.com> Subject: [dpdk-dev] [PATCH 3/3] net/bnxt: initialize mbuf data_off 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" Initialize mbuf->data_off to RTE_PKTMBUF_HEADROOM after allocation. Without this, it might be possible that the DMA address provided to the HW may not be in sync to what is indicated to the application in bnxt_rx_pkt. Fixes: 2eb53b134aae ("net/bnxt: add initial Rx code") Cc: stable@dpdk.org Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_rxr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/bnxt/bnxt_rxr.c b/drivers/net/bnxt/bnxt_rxr.c index 4bc320430..7b956ac78 100644 --- a/drivers/net/bnxt/bnxt_rxr.c +++ b/drivers/net/bnxt/bnxt_rxr.c @@ -46,6 +46,7 @@ static inline int bnxt_alloc_rx_data(struct bnxt_rx_queue *rxq, } rx_buf->mbuf = mbuf; + mbuf->data_off = RTE_PKTMBUF_HEADROOM; rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf)); @@ -73,6 +74,7 @@ static inline int bnxt_alloc_ag_data(struct bnxt_rx_queue *rxq, rx_buf->mbuf = mbuf; + mbuf->data_off = RTE_PKTMBUF_HEADROOM; rxbd->addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));