[PATCH v2 02/16] net/enetfec: fix restart issue

[Gagandeep Singh <g.singh@nxp.com>]

From: Apeksha Gupta <apeksha.gupta@nxp.com>

Queue reset is missing in restart because of which
IO cannot work on device restart.

This patch fixes the issue by resetting the queues on
device restart.

Fixes: b84fdd39638b ("net/enetfec: support UIO")
Cc: stable@dpdk.org

Signed-off-by: Apeksha Gupta <apeksha.gupta@nxp.com>
Signed-off-by: Sachin Saxena <sachin.saxena@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/net/enetfec/enet_ethdev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/enetfec/enet_ethdev.c b/drivers/net/enetfec/enet_ethdev.c
index c938e58204..898aad1c37 100644
--- a/drivers/net/enetfec/enet_ethdev.c
+++ b/drivers/net/enetfec/enet_ethdev.c
@@ -54,6 +54,7 @@ enetfec_restart(struct rte_eth_dev *dev)
 	uint32_t rcntl = OPT_FRAME_SIZE | 0x04;
 	uint32_t ecntl = ENETFEC_ETHEREN;
 	uint32_t val;
+	int i;
 
 	/* Clear any outstanding interrupt. */
 	writel(0xffffffff, (uint8_t *)fep->hw_baseaddr_v + ENETFEC_EIR);
@@ -149,6 +150,9 @@ enetfec_restart(struct rte_eth_dev *dev)
 	/* And last, enable the transmit and receive processing */
 	rte_write32(rte_cpu_to_le_32(ecntl),
 		(uint8_t *)fep->hw_baseaddr_v + ENETFEC_ECR);
+
+	for (i = 0; i < fep->max_rx_queues; i++)
+		rte_write32(0, fep->rx_queues[i]->bd.active_reg_desc);
 	rte_delay_us(10);
 }
 
-- 
2.25.1