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From: Gagandeep Singh <G.Singh@nxp.com>
To: "dev@dpdk.org" <dev@dpdk.org>,
	"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>
Cc: Gagandeep Singh <G.Singh@nxp.com>, "stable@dpdk.org" <stable@dpdk.org>
Subject: [dpdk-stable] [PATCH v4 02/13] net/enetc: fix SMMU unhandled context fault
Date: Fri, 12 Apr 2019 12:28:54 +0000	[thread overview]
Message-ID: <20190412122840.1908-3-g.singh@nxp.com> (raw)
In-Reply-To: <20190412122840.1908-1-g.singh@nxp.com>

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 <g.singh@nxp.com>
---
 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
-- 
2.19.1


  parent reply	other threads:[~2019-04-12 12:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1555075598-4988-1-git-send-email-g.singh@nxp.com>
     [not found] ` <20190412105105.24351-1-g.singh@nxp.com>
2019-04-12 11:01   ` [dpdk-stable] [PATCH v3 " Gagandeep Singh
2019-04-12 11:01   ` [dpdk-stable] [PATCH v3 03/13] net/enetc: fix big endian build and correct buffer allocation Gagandeep Singh
2019-04-12 11:01   ` [dpdk-stable] [PATCH v3 13/13] net/enetc: fix crash at high speed traffic Gagandeep Singh
     [not found]   ` <20190412122840.1908-1-g.singh@nxp.com>
2019-04-12 12:28     ` Gagandeep Singh [this message]
2019-04-12 12:28     ` [dpdk-stable] [PATCH v4 03/13] net/enetc: fix big endian build and correct buffer allocation Gagandeep Singh
2019-04-12 12:29     ` [dpdk-stable] [PATCH v4 13/13] net/enetc: fix crash at high speed traffic Gagandeep Singh

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