From: FuYanX <yanx...@intel.com>
Add delay to ensure that the hardware FLR is completed.
Fixes: f9cf4f864150 (net/ice: support device initialization)
Cc: sta...@dpdk.org
Signed-off-by: FuYanX <yanx...@intel.com>
---
drivers/net/ice/ice_ethdev.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 8d435e889..20bd85e62 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -2176,6 +2176,11 @@ ice_dev_init(struct rte_eth_dev *dev)
ice_init_controlq_parameter(hw);
+ /* The driver e.g. vfio-pci may triggle a FLR reset.
+ * The operating system is required by PCIe specification to wait 100 ms
+ * before it can assume that the FLR sequence is completed by hardware.
+ */
+ rte_delay_ms(100);
ret = ice_init_hw(hw);
if (ret) {
PMD_INIT_LOG(ERR, "Failed to initialize HW");
--
2.25.1
