[dpdk-dev] [PATCH] net/iavf: fix queue pairs configuration

[Zhang,Alvin]

From: Alvin Zhang <alvinx.zhang at intel.com>

Check if there are enough queue pairs currently allocated, and if not,
request PF to allocate them.

Fixes: e436cd43835b ("net/iavf: negotiate large VF and request more queues")
Cc: stable at dpdk.org

Signed-off-by: Alvin Zhang <alvinx.zhang at intel.com>
---
 drivers/net/iavf/iavf_ethdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 7e3c26a..f015121 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -372,8 +372,10 @@ struct rte_iavf_xstats_name_off {
 	} else {
 		/* Check if large VF is already enabled. If so, disable and
 		 * release redundant queue resource.
+		 * Or check if enough queue pairs. If not, request them from PF.
 		 */
-		if (vf->lv_enabled) {
+		if (vf->lv_enabled ||
+		    num_queue_pairs > vf->vsi_res->num_queue_pairs) {
 			ret = iavf_queues_req_reset(dev, num_queue_pairs);
 			if (ret)
 				return ret;
-- 
1.8.3.1