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Fri, 12 Apr 2019 11:01:18 +0000 Received: from VE1PR04MB6365.eurprd04.prod.outlook.com ([fe80::f5ad:f178:4c55:13e0]) by VE1PR04MB6365.eurprd04.prod.outlook.com ([fe80::f5ad:f178:4c55:13e0%3]) with mapi id 15.20.1792.016; Fri, 12 Apr 2019 11:01:18 +0000 From: Gagandeep Singh To: "dev@dpdk.org" , "ferruh.yigit@intel.com" CC: Gagandeep Singh , "stable@dpdk.org" Thread-Topic: [PATCH v3 02/13] net/enetc: fix SMMU unhandled context fault Thread-Index: AQHU8R8OE/C5LXfbgkqetnQXmGnoAA== Date: Fri, 12 Apr 2019 11:01:18 +0000 Message-ID: <20190412105105.24351-3-g.singh@nxp.com> References: <1555075598-4988-1-git-send-email-g.singh@nxp.com> <20190412105105.24351-1-g.singh@nxp.com> In-Reply-To: <20190412105105.24351-1-g.singh@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: TYAPR01CA0204.jpnprd01.prod.outlook.com (2603:1096:404:29::24) To VE1PR04MB6365.eurprd04.prod.outlook.com (2603:10a6:803:12a::14) x-mailer: git-send-email 2.17.1 authentication-results: spf=none (sender IP is ) smtp.mailfrom=G.Singh@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:VE1PR04MB6510; H:VE1PR04MB6365.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: oZLfbKhrkdwL1WLl68QXcp8b5h5oXrRsYUg3nqnRuRsmKYY1m/diUU8pUa1B7OMigQtWEKD+aK0EFDmN4U5X0JNQ9O6YEl+SWvtYmqbn+LC34Yy3npZxB1oQLoQNhZ8YUP7vJPtjuuMNcyVP1oVjLN7m6vwGskMDHnO3PFmbsrafjgSgEtAiahHnnbNYnUXAAhQ8h50Laf5F8EJZKy3wu1p53bBs1Nnsj+5Djhxlby6BSBOTGvV7HTapbV15uW9bN1gA6icx1oeAzSqJq2dZledSOh505XtIKgD6QqAPEy9hMWKNscyUaw4GzgomIFdtBfHAakMvkfG7orwgQ+7596iwpB0Xh4wGLr9QIiuJCIdrNuTPcolyCfADMh/VhPHUAmIDrwh2ufl1ZgH2MI93x6Ric+aERmyB9w+kNDIaT5k= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 59f61dd9-167b-43c1-0655-08d6bf363073 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Apr 2019 11:01:18.8112 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6510 Subject: [dpdk-dev] [PATCH v3 02/13] net/enetc: fix SMMU unhandled context fault 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" First configure ring with BDs properly then enable the ring. Fixes: 469c6111a799 ("net/enetc: enable Rx and Tx") Cc: stable@dpdk.org Signed-off-by: Gagandeep Singh --- drivers/net/enetc/enetc_ethdev.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c index 7a9a97d..f1807b9 100644 --- a/drivers/net/enetc/enetc_ethdev.c +++ b/drivers/net/enetc/enetc_ethdev.c @@ -492,15 +492,15 @@ static int enetc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, ENETC_RTBLENR_LEN(rx_ring->bd_count)); rx_ring->mb_pool = mb_pool; - /* enable ring */ - enetc_rxbdr_wr(hw, idx, ENETC_RBMR, ENETC_RBMR_EN); - enetc_rxbdr_wr(hw, idx, ENETC_RBPIR, 0); rx_ring->rcir = (void *)((size_t)hw->reg + ENETC_BDR(RX, idx, ENETC_RBCIR)); enetc_refill_rx_ring(rx_ring, (enetc_bd_unused(rx_ring))); buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rx_ring->mb_pool) - RTE_PKTMBUF_HEADROOM); enetc_rxbdr_wr(hw, idx, ENETC_RBBSR, buf_size); + /* enable ring */ + enetc_rxbdr_wr(hw, idx, ENETC_RBMR, ENETC_RBMR_EN); + enetc_rxbdr_wr(hw, idx, ENETC_RBPIR, 0); } static int