From patchwork Tue Feb 6 11:20:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt X-Patchwork-Id: 35012 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 5B6401B6B7; Tue, 6 Feb 2018 12:20:57 +0100 (CET) Received: from zyc-PC.local (unknown [119.61.11.228]) by dpdk.org (Postfix) with SMTP id 402A31B6B4 for ; Tue, 6 Feb 2018 12:20:55 +0100 (CET) Date: Tue, 6 Feb 2018 19:20:42 +0800 From: zhouyangchao CC: harish.patil@cavium.com;, "rasesh.mody@cavium.comharish.patil"@cavium.com;, rasesh.mody@cavium.com To: dev@dpdk.org; Message-ID: <1e5723f6-a2d8-4a60-9be9-7c30983dda6a@zyc-PC.local> X-Mailer: TortoiseGit MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH] net/bnx2x: reserve enough headroom for mbuf prepend 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" Signed-off-by: Yangchao Zhou --- drivers/net/bnx2x/bnx2x_rxtx.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/bnx2x/bnx2x_rxtx.c b/drivers/net/bnx2x/bnx2x_rxtx.c index a0d4ac9..d8a3225 100644 --- a/drivers/net/bnx2x/bnx2x_rxtx.c +++ b/drivers/net/bnx2x/bnx2x_rxtx.c @@ -140,7 +140,8 @@ bnx2x_dev_rx_queue_setup(struct rte_eth_dev *dev, return -ENOMEM; } rxq->sw_ring[idx] = mbuf; - rxq->rx_ring[idx] = mbuf->buf_iova; + rxq->rx_ring[idx] = + rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf)); } rxq->pkt_first_seg = NULL; rxq->pkt_last_seg = NULL; @@ -400,7 +401,8 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) rx_mb = rxq->sw_ring[bd_cons]; rxq->sw_ring[bd_cons] = new_mb; - rxq->rx_ring[bd_prod] = new_mb->buf_iova; + rxq->rx_ring[bd_prod] = + rte_cpu_to_le_64(rte_mbuf_data_iova_default(new_mb)); rx_pref = NEXT_RX_BD(bd_cons) & MAX_RX_BD(rxq); rte_prefetch0(rxq->sw_ring[rx_pref]); @@ -409,7 +411,7 @@ bnx2x_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) rte_prefetch0(&rxq->sw_ring[rx_pref]); } - rx_mb->data_off = pad; + rx_mb->data_off = pad + RTE_PKTMBUF_HEADROOM; rx_mb->nb_segs = 1; rx_mb->next = NULL; rx_mb->pkt_len = rx_mb->data_len = len;