USB: anchor API changes needed for btusb

[safe/jmp/linux-2.6] / include / linux / virtio_net.h

diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 6e8fdfe..5e33761 100644 (file)
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -1,17 +1,25 @@
 #ifndef _LINUX_VIRTIO_NET_H
 #define _LINUX_VIRTIO_NET_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
 #include <linux/virtio_config.h>
 
 /* The ID for virtio_net */
 #define VIRTIO_ID_NET  1
 
 /* The feature bitmap for virtio net */
-#define VIRTIO_NET_F_NO_CSUM   0
-#define VIRTIO_NET_F_TSO4      1
-#define VIRTIO_NET_F_UFO       2
-#define VIRTIO_NET_F_TSO4_ECN  3
-#define VIRTIO_NET_F_TSO6      4
-#define VIRTIO_NET_F_MAC       5
+#define VIRTIO_NET_F_CSUM      0       /* Host handles pkts w/ partial csum */
+#define VIRTIO_NET_F_GUEST_CSUM        1       /* Guest handles pkts w/ partial csum */
+#define VIRTIO_NET_F_MAC       5       /* Host has given MAC address. */
+#define VIRTIO_NET_F_GSO       6       /* Host handles pkts w/ any GSO type */
+#define VIRTIO_NET_F_GUEST_TSO4        7       /* Guest can handle TSOv4 in. */
+#define VIRTIO_NET_F_GUEST_TSO6        8       /* Guest can handle TSOv6 in. */
+#define VIRTIO_NET_F_GUEST_ECN 9       /* Guest can handle TSO[6] w/ ECN in. */
+#define VIRTIO_NET_F_GUEST_UFO 10      /* Guest can handle UFO in. */
+#define VIRTIO_NET_F_HOST_TSO4 11      /* Host can handle TSOv4 in. */
+#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. */
 
 struct virtio_net_config
 {
@@ -24,16 +32,16 @@ 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;
+#define VIRTIO_NET_HDR_GSO_ECN         0x80    // TCP has ECN set
+       __u8 gso_type;
+       __u16 hdr_len;          /* Ethernet + IP + tcp/udp hdrs */
+       __u16 gso_size;         /* Bytes to append to 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 */