[PATCH 05/16] virtio_net: separate virtnet_ctrl_set_queues()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Separating the code setting queues by cq to a function.

This is to facilitate separating cq-related functions into a separate
file.

Signed-off-by: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>
---
 drivers/net/virtio/virtnet.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/net/virtio/virtnet.c b/drivers/net/virtio/virtnet.c
index 3fcf70782d97..0196492f289b 100644
--- a/drivers/net/virtio/virtnet.c
+++ b/drivers/net/virtio/virtnet.c
@@ -2078,19 +2078,25 @@ static void virtnet_ack_link_announce(struct virtnet_info *vi)
 	rtnl_unlock();
 }
 
-static int _virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
+static int virtnet_ctrl_set_queues(struct virtnet_info *vi, u16 queue_pairs)
 {
 	struct scatterlist sg;
+
+	vi->ctrl->mq.virtqueue_pairs = cpu_to_virtio16(vi->vdev, queue_pairs);
+	sg_init_one(&sg, &vi->ctrl->mq, sizeof(vi->ctrl->mq));
+
+	return virtnet_send_command(vi, VIRTIO_NET_CTRL_MQ,
+				    VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET, &sg);
+}
+
+static int _virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
+{
 	struct net_device *dev = vi->dev;
 
 	if (!vi->has_cvq || !virtio_has_feature(vi->vdev, VIRTIO_NET_F_MQ))
 		return 0;
 
-	vi->ctrl->mq.virtqueue_pairs = cpu_to_virtio16(vi->vdev, queue_pairs);
-	sg_init_one(&sg, &vi->ctrl->mq, sizeof(vi->ctrl->mq));
-
-	if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_MQ,
-				  VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET, &sg)) {
+	if (!virtnet_ctrl_set_queues(vi, queue_pairs)) {
 		dev_warn(&dev->dev, "Fail to set num of queue pairs to %d\n",
 			 queue_pairs);
 		return -EINVAL;
-- 
2.32.0.3.g01195cf9f

_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux