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DIR:OUT; SFP:1101; SCL:1; SRVR:VE1PR04MB6606; 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: v6jzzEK4ksFb3JUwWxG5XkiAK/jKyvlQGaSVeekTqfmdB+5oUi7Vgq6Iqsk7SzQfSEjVM7TRCFJn7xHTZx2RhPO7xO+uiweHsvcLQgSNOI7mvrWqBwLGyQm1p1zEj3E99ZquFihFWk7GL4PenihkfQ5+WsW76qJUGh4/faNAvsybOv7NLv3DrqAqDluuHqqfRqQ9Kc4dpL48DbbKf6zQdns3cMGIsTKHMBjb8G4Mb8jEYp3arTneMpVbz3dZunHbazgkGhCUOf6NooLhCbwRDvhYCgIZ+jcLSaBFbZQ6vNWZClbBpBY1W2oYhB7wlzyOTYeAMx6h7m14dJ/MPf8oNQ3No+bDVmh5CI+bq+JFBUi+7VuGZMR4hLBps98lSS8y1TWjEt8duznNxxYikIB8Ztj0/jQkaIG8KhV5yHwEO+4= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4035111f-da35-44fb-ae2c-08d6bc147dca X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Apr 2019 11:22:31.9189 (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: VE1PR04MB6606 Subject: [dpdk-dev] [PATCH 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: g.singh@nxp.com 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