[dpdk-dev] [PATCH] net/ice: fix queue bind MSI-X interrupt error

[Ye Xiaolong]

On 02/19, taox.zhu at intel.com wrote:
>From: Zhu Tao <taox.zhu at intel.com>
>
>To bind a queue to an MSI-X interrupt, need to set some register.
>The register consists of many parts, each of which has several
>bits; therefore, the shift operator '<<' was used; so the operator
>'<' in the code should be '<<'.
>
>Old code adds 1 on even MSI-X interrupt vector index used by queue,
>resulting in interrupt mapping error.
>
>Fixes: 65dfc889d8 ("net/ice: support Rx queue interruption")
>Cc: stable at dpdk.org
>
>Signed-off-by: Zhu Tao <taox.zhu at intel.com>
>---
> drivers/net/ice/ice_ethdev.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
>index 8e9369e0a..85ef83e92 100644
>--- a/drivers/net/ice/ice_ethdev.c
>+++ b/drivers/net/ice/ice_ethdev.c
>@@ -2605,9 +2605,9 @@ __vsi_queues_bind_intr(struct ice_vsi *vsi, uint16_t msix_vect,
> 	for (i = 0; i < nb_queue; i++) {
> 		/*do actual bind*/
> 		val = (msix_vect & QINT_RQCTL_MSIX_INDX_M) |
>-		      (0 < QINT_RQCTL_ITR_INDX_S) | QINT_RQCTL_CAUSE_ENA_M;
>+		      (0 << QINT_RQCTL_ITR_INDX_S) | QINT_RQCTL_CAUSE_ENA_M;
> 		val_tx = (msix_vect & QINT_TQCTL_MSIX_INDX_M) |
>-			 (0 < QINT_TQCTL_ITR_INDX_S) | QINT_TQCTL_CAUSE_ENA_M;
>+			 (0 << QINT_TQCTL_ITR_INDX_S) | QINT_TQCTL_CAUSE_ENA_M;
> 
> 		PMD_DRV_LOG(INFO, "queue %d is binding to vect %d",
> 			    base_queue + i, msix_vect);
>-- 
>2.17.1
>

Acked-by: Xiaolong Ye <xiaolong.ye at intel.com>

Applied to dpdk-next-net-intel, Thanks.