Re: [PATCH net-next v3 3/7] virtio_net: introduce virtnet_sq_free_unused_buf_done()
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: 2024-12-05 10:40:41
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lkml, stable, virtualization
On Wed, Dec 04, 2024 at 02:07:20PM +0900, Koichiro Den wrote:
This will be used in the following commits, to ensure DQL reset occurs iff. all unused buffers are actually recycled. Cc: <redacted> # v6.11+ Signed-off-by: Koichiro Den <redacted>
to avoid adding an unused function, squash with a patch that uses it.
quoted hunk ↗ jump to hunk
--- drivers/net/virtio_net.c | 9 +++++++++ 1 file changed, 9 insertions(+)diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 1b7a85e75e14..b3cbbd8052e4 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c@@ -503,6 +503,7 @@ struct virtio_net_common_hdr { static struct virtio_net_common_hdr xsk_hdr; static void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf); +static void virtnet_sq_free_unused_buf_done(struct virtqueue *vq); static int virtnet_xdp_handler(struct bpf_prog *xdp_prog, struct xdp_buff *xdp, struct net_device *dev, unsigned int *xdp_xmit,@@ -6233,6 +6234,14 @@ static void virtnet_sq_free_unused_buf(struct virtqueue *vq, void *buf) } } +static void virtnet_sq_free_unused_buf_done(struct virtqueue *vq) +{ + struct virtnet_info *vi = vq->vdev->priv; + int i = vq2txq(vq); + + netdev_tx_reset_queue(netdev_get_tx_queue(vi->dev, i)); +} + static void free_unused_bufs(struct virtnet_info *vi) { void *buf;-- 2.43.0