1 files changed, 6 insertions, 5 deletions

diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 6e8fdfea8cd0..1456f7b936d0 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -24,16 +24,17 @@ struct virtio_net_config
 struct virtio_net_hdr
 {
 #define VIRTIO_NET_HDR_F_NEEDS_CSUM     1       // Use csum_start, csum_offset
-      __u8 flags;
+        __u8 flags;
 #define VIRTIO_NET_HDR_GSO_NONE         0       // Not a GSO frame
 #define VIRTIO_NET_HDR_GSO_TCPV4        1       // GSO frame, IPv4 TCP (TSO)
 /* FIXME: Do we need this?  If they said they can handle ECN, do they care? */
 #define VIRTIO_NET_HDR_GSO_TCPV4_ECN    2       // GSO frame, IPv4 TCP w/ ECN
 #define VIRTIO_NET_HDR_GSO_UDP          3       // GSO frame, IPv4 UDP (UFO)
 #define VIRTIO_NET_HDR_GSO_TCPV6        4       // GSO frame, IPv6 TCP
-      __u8 gso_type;
-      __u16 gso_size;
-      __u16 csum_start;
-      __u16 csum_offset;
+        __u8 gso_type;
+        __u16 hdr_len;          /* Ethernet + IP + tcp/udp hdrs */
+        __u16 gso_size;         /* Bytes to append to gso_hdr_len per frame */
+        __u16 csum_start;       /* Position to start checksumming from */
+        __u16 csum_offset;      /* Offset after that to place checksum */
 };
 #endif /* _LINUX_VIRTIO_NET_H */