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Fri, 12 Apr 2019 12:28:55 +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 12:28:55 +0000 From: Gagandeep Singh To: "dev@dpdk.org" , "ferruh.yigit@intel.com" CC: Gagandeep Singh , "stable@dpdk.org" Thread-Topic: [PATCH v4 02/13] net/enetc: fix SMMU unhandled context fault Thread-Index: AQHU8StLA+Cj8kVd9km0NS+xHM1lcQ== Date: Fri, 12 Apr 2019 12:28:54 +0000 Message-ID: <20190412122840.1908-3-g.singh@nxp.com> References: <20190412105105.24351-1-g.singh@nxp.com> <20190412122840.1908-1-g.singh@nxp.com> In-Reply-To: <20190412122840.1908-1-g.singh@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BMXPR01CA0029.INDPRD01.PROD.OUTLOOK.COM (2603:1096:b00:c::15) To VE1PR04MB6365.eurprd04.prod.outlook.com (2603:10a6:803:12a::14) x-mailer: git-send-email 2.19.1 authentication-results: spf=none (sender IP is ) smtp.mailfrom=G.Singh@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:VE1PR04MB6702; H:VE1PR04MB6365.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX: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: qgjktdcYBr+z/ktsUgUXxctPCIv3mbM8xtp2pc1V/J3w7jKI/3lkLQSaB7gddrMPiaehPimZkxPzOHXZFuWShpJusev7SEKdaGtFKR+CEWzXRNo5Buqx9dUIFgV+7h9zflvGkFNk34Jpur4hvHBxCPQJVnKdTMvUO2PEzGrnvuXd85TcH3b9nvQuFOvWKaDDTCW+X3NKsq8BKFgd+4XQVFcEPulEaDmsuAVCJF6OL+b1e5EzhDAh0MkfIOlv4fwOHWDJnkdfn8mI87yMzJLOnz4YHpcto0Cd/bQNk4gxI9f7s/taXl6xV4jEdMlGpaa3dS4IwQIGjx81BK4e0vOpwfRB5xOeo6n5XxyvGisBuVX5LgtLeONjDRrJ8FxSQ8eDXGtE6ulKj/U5cfv0QkFA5zzKPZw8Bd9a/YLX4/mPlug= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: d8f70bfc-ba81-427a-404d-08d6bf426d70 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Apr 2019 12:28:54.9357 (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: VE1PR04MB6702 Subject: [dpdk-dev] [PATCH v4 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 7a9a97deb..f1807b901 100644 --- a/drivers/net/enetc/enetc_ethdev.c +++ b/drivers/net/enetc/enetc_ethdev.c @@ -492,15 +492,15 @@ enetc_setup_rxbdr(struct enetc_hw *hw, struct enetc_bdr *rx_ring, 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