[dpdk-stable] patch 'net/i40e: fix VF cannot forward packets issue' has been queued to LTS release 16.11.4

[luca.boccassi at gmail.com]

Hi,

FYI, your patch has been queued to LTS release 16.11.4

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/15/17. So please
shout if anyone has objections.

Thanks.

Kind regards,
Luca Boccassi

---
>From a26b1740b553cb9d56f96cdd5f6ddae671ff915b Mon Sep 17 00:00:00 2001
From: Xiaoyun Li <xiaoyun.li at intel.com>
Date: Thu, 9 Nov 2017 14:30:14 +0800
Subject: [PATCH] net/i40e: fix VF cannot forward packets issue

[ upstream commit 79f47fc1b7b987b62b1a794f012d5a0253c8b17b ]

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")

Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
Acked-by: Beilei Xing <beilei.xing 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 2b533bade..1686914a1 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -722,7 +722,8 @@ 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)) {
 		if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
 			vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR;
 		else
-- 
2.11.0