Commit 8af3bf66 authored by Gavin Li's avatar Gavin Li Committed by Jakub Kicinski
Browse files

virtio_net: enable per queue interrupt coalesce feature 



Enable per queue interrupt coalesce feature bit in driver and validate its
dependency with control queue.

Signed-off-by: default avatarGavin Li <gavinl@nvidia.com>
Reviewed-by: default avatarDragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: default avatarJiri Pirko <jiri@nvidia.com>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Reviewed-by: default avatarHeng Qi <hengqi@linux.alibaba.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20230731070656.96411-4-gavinl@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 394bd877

drivers/net/virtio_net.c

+3 −0
Original line number Diff line number Diff line
@@ -4088,6 +4088,8 @@ static bool virtnet_validate_features(struct virtio_device *vdev) 
	     VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_HASH_REPORT,

			     "VIRTIO_NET_F_CTRL_VQ") ||

	     VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_NOTF_COAL,

			     "VIRTIO_NET_F_CTRL_VQ") ||

	     VIRTNET_FAIL_ON(vdev, VIRTIO_NET_F_VQ_NOTF_COAL,

			     "VIRTIO_NET_F_CTRL_VQ"))) {

		return false;

	}
@@ -4512,6 +4514,7 @@ static struct virtio_device_id id_table[] = { 
	VIRTIO_NET_F_MTU, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \

	VIRTIO_NET_F_SPEED_DUPLEX, VIRTIO_NET_F_STANDBY, \

	VIRTIO_NET_F_RSS, VIRTIO_NET_F_HASH_REPORT, VIRTIO_NET_F_NOTF_COAL, \

	VIRTIO_NET_F_VQ_NOTF_COAL, \

	VIRTIO_NET_F_GUEST_HDRLEN



static unsigned int features[] = {