Re: [dpdk-dev] [PATCH v2] net/ixgbe: fix Rx/Tx queue interrupt for X552/557 devices

[Ye Xiaolong <xiaolong.ye@intel.com>]

Hi, 

On 08/27, Jiang JunyuX wrote:
>X552/557 devices do not enable the queue interrupt mapping,
>this patch fix the issue.

Could you elaborate more about the issue that this patch trying to solve?

>
>Fixes: d2e72774e58c ("ixgbe/base: support X550")

Please also cc stable@dpdk.org for a fix patch.

Thanks,
Xiaolong

>
>Signed-off-by: Jiang JunyuX <junyux.jiang@intel.com>
>---
> drivers/net/ixgbe/ixgbe_ethdev.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
>index 03fc1f717..e36e1c58e 100644
>--- a/drivers/net/ixgbe/ixgbe_ethdev.c
>+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
>@@ -5896,7 +5896,8 @@ ixgbe_set_ivar_map(struct ixgbe_hw *hw, int8_t direction,
> 		IXGBE_WRITE_REG(hw, IXGBE_IVAR(idx), tmp);
> 	} else if ((hw->mac.type == ixgbe_mac_82599EB) ||
> 			(hw->mac.type == ixgbe_mac_X540) ||
>-			(hw->mac.type == ixgbe_mac_X550)) {
>+			(hw->mac.type == ixgbe_mac_X550) ||
>+			(hw->mac.type == ixgbe_mac_X550EM_x)) {
> 		if (direction == -1) {
> 			/* other causes */
> 			idx = ((queue & 1) * 8);
>@@ -6026,6 +6027,7 @@ ixgbe_configure_msix(struct rte_eth_dev *dev)
> 		case ixgbe_mac_82599EB:
> 		case ixgbe_mac_X540:
> 		case ixgbe_mac_X550:
>+		case ixgbe_mac_X550EM_x:
> 			ixgbe_set_ivar_map(hw, -1, 1, IXGBE_MISC_VEC_ID);
> 			break;
> 		default:
>-- 
>2.17.1
>