Jason Wang
2022-Sep-27 04:38 UTC
[PATCH V2 RESEND 3/6] vDPA: check VIRTIO_NET_F_RSS for max_virtqueue_paris's presence
On Tue, Sep 27, 2022 at 11:09 AM Zhu Lingshan <lingshan.zhu at intel.com> wrote:> > virtio 1.2 spec says: > max_virtqueue_pairs only exists if VIRTIO_NET_F_MQ or > VIRTIO_NET_F_RSS is set. > > So when reporint MQ to userspace, it should check both > VIRTIO_NET_F_MQ and VIRTIO_NET_F_RSS. > > unused parameter struct vdpa_device *vdev is removed > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com>Acked-by: Jason Wang <jasowang at redhat.com>> --- > drivers/vdpa/vdpa.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c > index e7765953307f..829fd4cfc038 100644 > --- a/drivers/vdpa/vdpa.c > +++ b/drivers/vdpa/vdpa.c > @@ -800,13 +800,13 @@ static int vdpa_nl_cmd_dev_get_dumpit(struct sk_buff *msg, struct netlink_callba > return msg->len; > } > > -static int vdpa_dev_net_mq_config_fill(struct vdpa_device *vdev, > - struct sk_buff *msg, u64 features, > +static int vdpa_dev_net_mq_config_fill(struct sk_buff *msg, u64 features, > const struct virtio_net_config *config) > { > u16 val_u16; > > - if ((features & BIT_ULL(VIRTIO_NET_F_MQ)) == 0) > + if ((features & BIT_ULL(VIRTIO_NET_F_MQ)) == 0 && > + (features & BIT_ULL(VIRTIO_NET_F_RSS)) == 0) > return 0; > > val_u16 = le16_to_cpu(config->max_virtqueue_pairs); > -- > 2.31.1 >