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

["Jiang, JunyuX" <junyux.jiang@intel.com>]

Hi,

> Could you elaborate more about the issue that this patch trying to solve?
this issue is:start l3fwd-power with  pf port0 bind  to vfio-pci,there was no response when send packets to l3fwd-power in x552/x557.

> -----Original Message-----
> From: Ye, Xiaolong
> Sent: Tuesday, August 27, 2019 4:08 PM
> To: Jiang, JunyuX <junyux.jiang@intel.com>
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] net/ixgbe: fix Rx/Tx queue interrupt for
> X552/557 devices
> 
> 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
> >