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vhost: fix batch enqueue only handle few packets

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

Fixes: 0294211bb6 ("vhost: optimize packed ring enqueue")

Signed-off-by: Marvin Liu <yong.liu@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This commit is contained in:
Marvin Liu 2019-11-07 22:37:48 +08:00 committed by Ferruh Yigit
parent 4da3dd4885
commit aa74c383d4
1 changed files with 2 additions and 1 deletions
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3
lib/librte_vhost/virtio_net.c
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@ -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;