From: Xiaoyun Li <xiaoyun.li@intel.com>
Date: Thu, 9 Nov 2017 06:30:14 +0000 (+0800)
Subject: net/i40e: fix VF cannot forward packets issue
X-Git-Tag: spdx-start~872
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=79f47fc1b7b987b62b1a794f012d5a0253c8b17b;hp=db1ae7233600b6454d574cf50e7386a454c504e2

net/i40e: fix VF cannot forward packets issue

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@dpdk.org

Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>
---

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 02d9e579c6..91b5bb0338 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;