diff options
| author | Gavin Li <gavinl@nvidia.com> | 2022-09-14 17:49:10 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-10-07 09:32:40 -0400 |
| commit | 46cd26f4108714d2e28c93d773e1602917ac0691 (patch) | |
| tree | 0b0e3826c3ae9373c4265a1602ccef3daa5f19cf /drivers/net/virtio_net.c | |
| parent | cdbd952bb7b5fca36676b3d318796b196b127397 (diff) | |
virtio-net: introduce and use helper function for guest gso support checks
Probe routine is already several hundred lines.
Use helper function for guest gso support check.
Signed-off-by: Gavin Li <gavinl@nvidia.com>
Reviewed-by: Gavi Teitz <gavi@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Message-Id: <20220914144911.56422-2-gavinl@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 9cce7dec7366..f831a0290998 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3682,6 +3682,14 @@ static int virtnet_validate(struct virtio_device *vdev) return 0; } +static bool virtnet_check_guest_gso(const struct virtnet_info *vi) +{ + return virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO4) || + virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_TSO6) || + virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_ECN) || + virtio_has_feature(vi->vdev, VIRTIO_NET_F_GUEST_UFO); +} + static int virtnet_probe(struct virtio_device *vdev) { int i, err = -ENOMEM; @@ -3777,10 +3785,7 @@ static int virtnet_probe(struct virtio_device *vdev) spin_lock_init(&vi->refill_lock); /* If we can receive ANY GSO packets, we must allocate large ones. */ - if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) || - virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) || - virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) || - virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO)) + if (virtnet_check_guest_gso(vi)) vi->big_packets = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) |