[dpdk-dev] [PATCH] net/i40e: fix VF cannot forward packets issue

Xiaoyun Li xiaoyun.li at intel.com
Thu Nov 9 07:30:14 CET 2017


When Rx interrupt is not enabled, there is no need to check if interrupt
allow others. It will cause VF cannot forwarding packets issue. This patch
fixes this issue.

Fixes: 96a9fd03c25f ("net/i40e: fix Rx queue interrupt mapping in VF")
Cc: stable at dpdk.org

Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
---
 drivers/net/i40e/i40e_ethdev_vf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 02d9e57..91b5bb0 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -650,7 +650,8 @@ i40evf_config_irq_map(struct rte_eth_dev *dev)
 	uint32_t vector_id;
 	int i, err;
 
-	if (rte_intr_allow_others(intr_handle))
+	if (dev->data->dev_conf.intr_conf.rxq != 0 &&
+	    rte_intr_allow_others(intr_handle))
 		vector_id = I40E_RX_VEC_START;
 	else
 		vector_id = I40E_MISC_VEC_ID;
-- 
2.7.4



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