From: Marvin Liu <yong.liu@intel.com>
Date: Thu, 7 Nov 2019 14:37:48 +0000 (+0800)
Subject: vhost: fix batch enqueue only handle few packets
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=aa74c383d4ed636db26b50638e6d9f8ecb6280fd;p=dpdk.git

vhost: fix batch enqueue only handle few packets

After enqueue function finished, packet index has been increased. Batch
enqueue function should retrieve mbuf structure pointed by that index.

Fixes: 0294211bb6dc ("vhost: optimize packed ring enqueue")

Signed-off-by: Marvin Liu <yong.liu@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---

diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index cb54ebe18c..21c311732a 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -1159,7 +1159,8 @@ virtio_dev_rx_packed(struct virtio_net *dev,
 		rte_prefetch0(&vq->desc_packed[vq->last_avail_idx]);
 
 		if (remained >= PACKED_BATCH_SIZE) {
-			if (!virtio_dev_rx_batch_packed(dev, vq, pkts)) {
+			if (!virtio_dev_rx_batch_packed(dev, vq,
+							&pkts[pkt_idx])) {
 				pkt_idx += PACKED_BATCH_SIZE;
 				remained -= PACKED_BATCH_SIZE;
 				continue;