From: Kangjie Xu <kangjie.xu@linux.alibaba.com>
To: qemu-devel@nongnu.org
Cc: mst@redhat.com, jasowang@redhat.com, eduardo@habkost.net,
marcel.apfelbaum@gmail.com, f4bug@amsat.org,
wangyanan55@huawei.com, hengqi@linux.alibaba.com,
xuanzhuo@linux.alibaba.com
Subject: [PATCH v3 13/15] virtio-net: support queue reset
Date: Thu, 25 Aug 2022 16:08:56 +0800 [thread overview]
Message-ID: <8577963f4b72f30c5dd1adfe661b08e57d26c453.1661414345.git.kangjie.xu@linux.alibaba.com> (raw)
In-Reply-To: <cover.1661414345.git.kangjie.xu@linux.alibaba.com>
From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
virtio-net and vhost-kernel implement queue reset.
Queued packets in the corresponding queue pair are flushed
or purged.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
---
hw/net/virtio-net.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 27b59c0ad6..d774a3e652 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -540,6 +540,23 @@ static RxFilterInfo *virtio_net_query_rxfilter(NetClientState *nc)
return info;
}
+static void virtio_net_queue_reset(VirtIODevice *vdev, uint32_t queue_index)
+{
+ VirtIONet *n = VIRTIO_NET(vdev);
+ NetClientState *nc = qemu_get_subqueue(n->nic, vq2q(queue_index));
+
+ if (!nc->peer) {
+ return;
+ }
+
+ if (get_vhost_net(nc->peer) &&
+ nc->peer->info->type == NET_CLIENT_DRIVER_TAP) {
+ vhost_net_virtqueue_reset(vdev, nc, queue_index);
+ }
+
+ flush_or_purge_queued_packets(nc);
+}
+
static void virtio_net_reset(VirtIODevice *vdev)
{
VirtIONet *n = VIRTIO_NET(vdev);
@@ -3784,6 +3801,7 @@ static void virtio_net_class_init(ObjectClass *klass, void *data)
vdc->set_features = virtio_net_set_features;
vdc->bad_features = virtio_net_bad_features;
vdc->reset = virtio_net_reset;
+ vdc->queue_reset = virtio_net_queue_reset;
vdc->set_status = virtio_net_set_status;
vdc->guest_notifier_mask = virtio_net_guest_notifier_mask;
vdc->guest_notifier_pending = virtio_net_guest_notifier_pending;
--
2.32.0
next prev parent reply other threads:[~2022-08-25 8:38 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-25 8:08 [PATCH v3 00/15] Support VIRTIO_F_RING_RESET for virtio-net, vhost-net kernel in virtio pci-modern Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 01/15] virtio: sync relevant definitions with linux Kangjie Xu
2022-09-05 4:56 ` Jason Wang
2022-08-25 8:08 ` [PATCH v3 02/15] virtio: introduce __virtio_queue_reset() Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 03/15] virtio: introduce virtio_queue_reset() Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 04/15] virtio: introduce virtio_queue_enable() Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 05/15] virtio: core: vq reset feature negotation support Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 06/15] virtio-pci: support queue reset Kangjie Xu
2022-09-05 7:59 ` Jason Wang
2022-08-25 8:08 ` [PATCH v3 07/15] virtio-pci: support queue enable Kangjie Xu
2022-09-05 8:00 ` Jason Wang
2022-08-25 8:08 ` [PATCH v3 08/15] vhost: extract the logic of unmapping the vrings and desc Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 09/15] vhost: expose vhost_virtqueue_start() Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 10/15] vhost-net: vhost-kernel: introduce vhost_net_virtqueue_reset() Kangjie Xu
2022-09-05 8:03 ` Jason Wang
2022-09-05 10:15 ` Kangjie Xu
2022-09-06 5:24 ` Jason Wang
2022-08-25 8:08 ` [PATCH v3 11/15] vhost-net: vhost-kernel: introduce vhost_net_virtqueue_restart() Kangjie Xu
2022-09-05 8:24 ` Jason Wang
2022-09-05 10:21 ` Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 12/15] virtio-net: introduce flush_or_purge_queued_packets() Kangjie Xu
2022-09-05 8:25 ` Jason Wang
2022-08-25 8:08 ` Kangjie Xu [this message]
2022-09-05 8:30 ` [PATCH v3 13/15] virtio-net: support queue reset Jason Wang
2022-09-05 10:25 ` Kangjie Xu
2022-09-05 16:25 ` Kangjie Xu
2022-09-06 5:37 ` Jason Wang
2022-09-06 3:14 ` Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 14/15] virtio-net: support queue_enable Kangjie Xu
2022-08-25 8:08 ` [PATCH v3 15/15] vhost: vhost-kernel: enable vq reset feature Kangjie Xu
2022-09-02 1:04 ` [PATCH v3 00/15] Support VIRTIO_F_RING_RESET for virtio-net, vhost-net kernel in virtio pci-modern Kangjie Xu
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