[dpdk-dev] [PATCH] net/i40e: reset NIC core

[Bernard Iremonger]

After a cloud filter has been replaced, to restore the NIC to
it original state a reset of the NIC core is needed.
A core reset has been added to the eth_i40e_dev_init function.

Signed-off-by: Bernard Iremonger <bernard.iremonger at intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 59c603fb9..e119dbf00 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1077,6 +1077,9 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
 	hw->bus.func = pci_dev->addr.function;
 	hw->adapter_stopped = 0;
 
+	/* Reset NIC core */
+	I40E_WRITE_REG(hw, I40E_GLGEN_RTRIG, 0x1);
+
 	/* Make sure all is clean before doing PF reset */
 	i40e_clear_hw(hw);
 
-- 
2.11.0