From 60af39c1f4cc92cc2785ef745c0c97558134d539 Mon Sep 17 00:00:00 2001 From: Eli Cohen Date: Wed, 24 Nov 2021 19:09:49 +0200 Subject: [PATCH] net/mlx5_vdpa: Offer VIRTIO_NET_F_MTU when setting MTU Make sure to offer VIRTIO_NET_F_MTU since we configure the MTU based on what was queried from the device. This allows the virtio driver to allocate large enough buffers based on the reported MTU. Signed-off-by: Eli Cohen Link: https://lore.kernel.org/r/20211124170949.51725-1-elic@nvidia.com Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang Reviewed-by: Si-Wei Liu --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 63813fbb5f62..d8e69340a25a 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1895,6 +1895,7 @@ static u64 mlx5_vdpa_get_features(struct vdpa_device *vdev) ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_CTRL_MAC_ADDR); ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_MQ); ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_STATUS); + ndev->mvdev.mlx_features |= BIT_ULL(VIRTIO_NET_F_MTU); print_features(mvdev, ndev->mvdev.mlx_features, false); return ndev->mvdev.mlx_features;