+ u64 features = (u64) ~ (0ULL);
+ u64 disabled_features = (u64) (0ULL);
+
+ if (mp->disable_mrg_rxbuf)
+ disabled_features = (1ULL << FEAT_VIRTIO_NET_F_MRG_RXBUF);
+
+ if (mp->disable_indirect_desc)
+ disabled_features |= (1ULL << FEAT_VIRTIO_F_INDIRECT_DESC);
+
+ features &= ~disabled_features;