1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 5e33761b9b8a..5cdd0aa8bde9 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -20,6 +20,7 @@
 #define VIRTIO_NET_F_HOST_TSO6  12      /* Host can handle TSOv6 in. */
 #define VIRTIO_NET_F_HOST_ECN   13      /* Host can handle TSO[6] w/ ECN in. */
 #define VIRTIO_NET_F_HOST_UFO   14      /* Host can handle UFO in. */
+#define VIRTIO_NET_F_MRG_RXBUF  15      /* Host can merge receive buffers. */
 
 struct virtio_net_config
 {
@@ -44,4 +45,12 @@ struct virtio_net_hdr
         __u16 csum_start;       /* Position to start checksumming from */
         __u16 csum_offset;      /* Offset after that to place checksum */
 };
+
+/* This is the version of the header to use when the MRG_RXBUF
+ * feature has been negotiated. */
+struct virtio_net_hdr_mrg_rxbuf {
+        struct virtio_net_hdr hdr;
+        __u16 num_buffers;      /* Number of merged rx buffers */
+};
+
 #endif /* _LINUX_VIRTIO_NET_H */