From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1C569A0C4D; Tue, 2 Nov 2021 04:20:21 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 428B4410FE; Tue, 2 Nov 2021 04:19:41 +0100 (CET) Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by mails.dpdk.org (Postfix) with ESMTP id 881E741101 for ; Tue, 2 Nov 2021 04:19:32 +0100 (CET) Received: from dggeme756-chm.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Hjw7S1n6wz1DHwk; Tue, 2 Nov 2021 11:17:24 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by dggeme756-chm.china.huawei.com (10.3.19.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.15; Tue, 2 Nov 2021 11:19:27 +0800 From: "Min Hu (Connor)" To: CC: , Date: Tue, 2 Nov 2021 11:17:21 +0800 Message-ID: <20211102031729.35536-2-humin29@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211102031729.35536-1-humin29@huawei.com> References: <20211102031729.35536-1-humin29@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggeme756-chm.china.huawei.com (10.3.19.102) X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH 1/9] net/hns3: fix the shift of DMA address in Rx/Tx queue X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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" From: Huisong Li The patch obtains the upper 32 bits of the Rx/Tx queue DMA address in one step instead of two steps. Fixes: bba636698316 ("net/hns3: support Rx/Tx and related operations") Signed-off-by: Huisong Li --- drivers/net/hns3/hns3_rxtx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c index ceb98025f8..00af73c850 100644 --- a/drivers/net/hns3/hns3_rxtx.c +++ b/drivers/net/hns3/hns3_rxtx.c @@ -322,7 +322,7 @@ hns3_init_rx_queue_hw(struct hns3_rx_queue *rxq) hns3_write_dev(rxq, HNS3_RING_RX_BASEADDR_L_REG, (uint32_t)dma_addr); hns3_write_dev(rxq, HNS3_RING_RX_BASEADDR_H_REG, - (uint32_t)((dma_addr >> 31) >> 1)); + (uint32_t)(dma_addr >> 32)); hns3_write_dev(rxq, HNS3_RING_RX_BD_LEN_REG, hns3_buf_size2type(rx_buf_len)); @@ -337,7 +337,7 @@ hns3_init_tx_queue_hw(struct hns3_tx_queue *txq) hns3_write_dev(txq, HNS3_RING_TX_BASEADDR_L_REG, (uint32_t)dma_addr); hns3_write_dev(txq, HNS3_RING_TX_BASEADDR_H_REG, - (uint32_t)((dma_addr >> 31) >> 1)); + (uint32_t)(dma_addr >> 32)); hns3_write_dev(txq, HNS3_RING_TX_BD_NUM_REG, HNS3_CFG_DESC_NUM(txq->nb_tx_desc)); -- 2.33.0