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

[Iremonger, Bernard]

> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Wednesday, April 12, 2017 3:11 PM
> To: dev at dpdk.org
> Cc: Xing, Beilei <beilei.xing at intel.com>; Lu, Wenzhuo
> <wenzhuo.lu at intel.com>; Iremonger, Bernard
> <bernard.iremonger at intel.com>
> Subject: [PATCH] net/i40e: reset NIC core
> 
> 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

Self NAK

Regards,

Bernard.