From: Jens Freimann <jfreimann@redhat.com>
To: dev@dpdk.org
Cc: tiwei.bie@intel.com, yliu@fridaylinux.org,
maxime.coquelin@redhat.com, mst@redhat.com
Subject: [dpdk-dev] [PATCH v3 16/21] vhost: enable packed virtqueues
Date: Thu, 5 Apr 2018 12:10:26 +0200 [thread overview]
Message-ID: <20180405101031.26468-17-jfreimann@redhat.com> (raw)
In-Reply-To: <20180405101031.26468-1-jfreimann@redhat.com>
From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
This patch enables the code do enqueue and dequeue packed to/from a
packed virtqueue. Add feature bit for packed virtqueues as defined in
Virtio 1.1 draft.
Signed-off-by: Jens Freimann <jfreimann@redhat.com>
Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
---
lib/librte_vhost/vhost.h | 1 +
lib/librte_vhost/virtio_net.c | 7 ++++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index c8aa946fd..a0b61b7b0 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -192,6 +192,7 @@ struct vhost_msg {
(1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE) | \
(1ULL << VIRTIO_NET_F_MQ) | \
(1ULL << VIRTIO_F_VERSION_1) | \
+ (1ULL << VIRTIO_F_RING_PACKED) | \
(1ULL << VHOST_F_LOG_ALL) | \
(1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \
(1ULL << VIRTIO_NET_F_GSO) | \
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 578e5612e..18e67fdc1 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -840,7 +840,9 @@ rte_vhost_enqueue_burst(int vid, uint16_t queue_id,
return 0;
}
- if (dev->features & (1 << VIRTIO_NET_F_MRG_RXBUF))
+ if (dev->features & (1ULL << VIRTIO_F_RING_PACKED))
+ return vhost_enqueue_burst_packed(dev, queue_id, pkts, count);
+ else if (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);
@@ -1513,6 +1515,9 @@ rte_vhost_dequeue_burst(int vid, uint16_t queue_id,
if (unlikely(vq->enabled == 0))
goto out_access_unlock;
+ if (dev->features & (1ULL << VIRTIO_F_RING_PACKED))
+ return vhost_dequeue_burst_packed(dev, vq, mbuf_pool, pkts, count);
+
vq->batch_copy_nb_elems = 0;
if (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM))
--
2.14.3
next prev parent reply other threads:[~2018-04-05 10:11 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-05 10:10 [dpdk-dev] [PATCH v3 00/21] implement " Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 01/21] net/virtio: by default disable " Jens Freimann
2018-04-05 13:42 ` Maxime Coquelin
2018-04-05 14:19 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 02/21] net/virtio: vring init for packed queues Jens Freimann
2018-04-05 14:15 ` Maxime Coquelin
2018-04-05 14:24 ` Jens Freimann
2018-04-05 14:22 ` Tiwei Bie
2018-04-05 15:16 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 03/21] net/virtio: add virtio 1.1 defines Jens Freimann
2018-04-05 14:16 ` Maxime Coquelin
2018-04-05 14:27 ` Tiwei Bie
2018-04-05 14:33 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 04/21] net/virtio: add packed virtqueue helpers Jens Freimann
2018-04-05 14:27 ` Maxime Coquelin
2018-04-05 14:34 ` Jens Freimann
2018-04-05 14:40 ` Tiwei Bie
2018-04-05 15:14 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 05/21] net/virtio: dump packed virtqueue data Jens Freimann
2018-04-05 14:29 ` Maxime Coquelin
2018-04-08 3:53 ` Tiwei Bie
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 06/21] net/virtio-user: add option to use packed queues Jens Freimann
2018-04-05 14:35 ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 07/21] net/virtio: implement transmit path for " Jens Freimann
2018-04-06 7:56 ` Maxime Coquelin
2018-04-06 8:10 ` Jens Freimann
2018-04-08 4:51 ` Tiwei Bie
2018-04-09 6:20 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 08/21] net/virtio: implement receive " Jens Freimann
2018-04-06 7:51 ` Maxime Coquelin
2018-04-06 8:12 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 09/21] vhost: disable packed virtqueues by default Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 10/21] vhost: turn of indirect descriptors for packed virtqueues Jens Freimann
2018-04-06 8:12 ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 11/21] vhost: add virtio 1.1 defines Jens Freimann
2018-04-06 8:15 ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 12/21] vhost: vring address setup for packed queues Jens Freimann
2018-04-06 8:19 ` Maxime Coquelin
2018-04-06 8:23 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 13/21] vhost: add helpers for packed virtqueues Jens Freimann
2018-04-06 9:20 ` Maxime Coquelin
2018-04-06 9:21 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 14/21] vhost: dequeue for packed queues Jens Freimann
2018-04-06 9:30 ` Maxime Coquelin
2018-04-06 10:07 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 15/21] vhost: packed queue enqueue path Jens Freimann
2018-04-06 9:36 ` Maxime Coquelin
2018-04-06 12:17 ` Jens Freimann
2018-04-05 10:10 ` Jens Freimann [this message]
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 17/21] net/virtio: disable ctrl virtqueue for packed rings Jens Freimann
2018-04-06 9:38 ` Maxime Coquelin
2018-04-06 9:43 ` Jens Freimann
2018-04-06 9:48 ` Maxime Coquelin
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 18/21] net/virtio: add support for mergeable buffers with packed virtqueues Jens Freimann
2018-04-06 10:05 ` Maxime Coquelin
2018-04-08 6:02 ` Tiwei Bie
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 19/21] vhost: support mergeable rx buffers with packed queues Jens Freimann
2018-04-06 13:04 ` Maxime Coquelin
2018-04-06 14:07 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 20/21] net/virtio: add support for event suppression Jens Freimann
2018-04-06 13:50 ` Maxime Coquelin
2018-04-06 14:09 ` Jens Freimann
2018-04-08 6:07 ` Tiwei Bie
2018-04-09 6:09 ` Jens Freimann
2018-04-05 10:10 ` [dpdk-dev] [PATCH v3 21/21] vhost: add event suppression for packed queues Jens Freimann
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