[dpdk-dev] [PATCH v6 11/25] lib/librte_vhost: rte_vhost_en/dequeue_burst API
Huawei Xie
huawei.xie at intel.com
Wed Oct 8 20:54:45 CEST 2014
rte_vhost_enqueue_burst will call virtio_dev_rx and virtio_dev_merge_rx respectively depending on
whether merge-able feature is negotiated or not in the vhost device.
virtio_dev_merge_tx is renamed to rte_vhost_dequeue_burst.
Signed-off-by: Huawei Xie <huawei.xie at intel.com>
---
lib/librte_vhost/vhost_rxtx.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/lib/librte_vhost/vhost_rxtx.c b/lib/librte_vhost/vhost_rxtx.c
index 0690e23..fb85fb7 100644
--- a/lib/librte_vhost/vhost_rxtx.c
+++ b/lib/librte_vhost/vhost_rxtx.c
@@ -522,9 +522,17 @@ virtio_dev_merge_rx(struct virtio_net *dev, uint16_t queue_id, struct rte_mbuf *
return count;
}
-/* This function works for TX packets with mergeable feature enabled. */
-static uint16_t void __attribute__((always_inline))
-virtio_dev_merge_tx(struct virtio_net *dev, uint16_t queue_id, struct rte_mempool *mbuf_pool, struct rte_mbuf **pkts, uint16_t count)
+uint16_t
+rte_vhost_enqueue_burst(struct virtio_net *dev, uint16_t queue_id, struct rte_mbuf **pkts, uint16_t count)
+{
+ if (unlikely(dev->features & (1 << VIRTIO_NET_F_MRG_RXBUF)))
+ return virtio_dev_merge_rx(dev, queue_id, pkts, count);
+ else
+ return virtio_dev_rx(dev, queue_id, pkts, count);
+}
+
+uint16_t
+rte_vhost_dequeue_burst(struct virtio_net *dev, uint16_t queue_id, struct rte_mempool *mbuf_pool, struct rte_mbuf **pkts, uint16_t count)
{
struct rte_mbuf *m, *prev;
struct vhost_virtqueue *vq;
@@ -548,7 +556,7 @@ virtio_dev_merge_tx(struct virtio_net *dev, uint16_t queue_id, struct rte_mempoo
if (vq->last_used_idx == avail_idx)
return 0;
- LOG_DEBUG(VHOST_DATA, "(%"PRIu64") virtio_dev_merge_tx()\n",
+ LOG_DEBUG(VHOST_DATA, "%s (%"PRIu64")\n", __func__,
dev->device_fh);
/* Prefetch available ring to retrieve head indexes. */
--
1.8.1.4
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