[dpdk-dev] [PATCH 2/2] net/i40e: fix fdir allocating msix resource error

[Jiang Mao]

Fdir allocating msix resource is not strictly necessary, if no
resource left, print a warning message.

Fixes: 4861cde461 (i40e: new poll mode driver)
Cc: stable at dpdk.org
Signed-off-by: Jiang Mao <maox.jiang at intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 16fcb8d..885b637 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -5732,6 +5732,17 @@ struct i40e_vsi *
 			vsi->nb_msix = RTE_MIN(vsi->nb_qps,
 					       RTE_MAX_RXTX_INTR_VEC_ID);
 		}
+	} else if (type == I40E_VSI_FDIR) {
+		ret = i40e_res_pool_alloc(&pf->msix_pool, 1);
+		if (ret < 0) {
+			PMD_DRV_LOG(WARNING, "MSIX vectors used up, FDIR can`t bind interrupt");
+			vsi->msix_intr = 0;
+			vsi->nb_msix = 0;
+		} else {
+			vsi->msix_intr = ret;
+			vsi->nb_msix = 1;
+		}
+
 	} else if (type != I40E_VSI_SRIOV) {
 		ret = i40e_res_pool_alloc(&pf->msix_pool, 1);
 		if (ret < 0) {
-- 
1.8.3.1