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vdpa/mlx5: Return error on vlan ctrl commands if not supported

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[ Upstream commit 5aec804936bbff182081f1cdc271fcb76af1a4ff ]

Check if VIRTIO_NET_F_CTRL_VLAN is negotiated and return error if
control VQ command is received.

Signed-off-by: Eli Cohen <elic@nvidia.com>
Message-Id: <20221114131759.57883-3-elic@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eli Cohen 2022-11-14 15:17:53 +02:00 committed by Greg Kroah-Hartman
parent dc6466fcde
commit 6dbffca77f
1 changed files with 3 additions and 0 deletions
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3
drivers/vdpa/mlx5/net/mlx5_vnet.c
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@ -1823,6 +1823,9 @@ static virtio_net_ctrl_ack handle_ctrl_vlan(struct mlx5_vdpa_dev *mvdev, u8 cmd)
size_t read;
u16 id;
if (!(ndev->mvdev.actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VLAN)))
return status;
switch (cmd) {
case VIRTIO_NET_CTRL_VLAN_ADD:
read = vringh_iov_pull_iotlb(&cvq->vring, &cvq->riov, &vlan, sizeof(vlan));