ksm: let shared pages be swappable

[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 ba82b65..085e422 100644 (file)
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -3,10 +3,9 @@
 /* This header is BSD licensed so anyone can use the definitions to implement
  * compatible drivers/servers. */
 #include <linux/types.h>
+#include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
-
-/* The ID for virtio_net */
-#define VIRTIO_ID_NET  1
+#include <linux/if_ether.h>
 
 /* The feature bitmap for virtio net */
 #define VIRTIO_NET_F_CSUM      0       /* Host handles pkts w/ partial csum */
@@ -25,11 +24,12 @@
 #define VIRTIO_NET_F_STATUS    16      /* virtio_net_config.status available */
 #define VIRTIO_NET_F_CTRL_VQ   17      /* Control channel available */
 #define VIRTIO_NET_F_CTRL_RX   18      /* Control channel RX mode support */
+#define VIRTIO_NET_F_CTRL_VLAN 19      /* Control channel VLAN filtering */
+#define VIRTIO_NET_F_CTRL_RX_EXTRA 20  /* Extra RX mode control support */
 
 #define VIRTIO_NET_S_LINK_UP   1       /* Link is up */
 
-struct virtio_net_config
-{
+struct virtio_net_config {
        /* The config defining mac address (if VIRTIO_NET_F_MAC) */
        __u8 mac[6];
        /* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */
@@ -38,8 +38,7 @@ struct virtio_net_config
 
 /* This is the first element of the scatter-gather list.  If you don't
  * specify GSO or CSUM features, you can simply ignore the header. */
-struct virtio_net_hdr
-{
+struct virtio_net_hdr {
 #define VIRTIO_NET_HDR_F_NEEDS_CSUM    1       // Use csum_start, csum_offset
        __u8 flags;
 #define VIRTIO_NET_HDR_GSO_NONE                0       // Not a GSO frame
@@ -79,14 +78,19 @@ typedef __u8 virtio_net_ctrl_ack;
 #define VIRTIO_NET_ERR    1
 
 /*
- * Control the RX mode, ie. promisucous and allmulti.  PROMISC and
- * ALLMULTI commands require an "out" sg entry containing a 1 byte
- * state value, zero = disable, non-zero = enable.  These commands
- * are supported with the VIRTIO_NET_F_CTRL_RX feature.
+ * Control the RX mode, ie. promisucous, allmulti, etc...
+ * All commands require an "out" sg entry containing a 1 byte
+ * state value, zero = disable, non-zero = enable.  Commands
+ * 0 and 1 are supported with the VIRTIO_NET_F_CTRL_RX feature.
+ * Commands 2-5 are added with VIRTIO_NET_F_CTRL_RX_EXTRA.
  */
 #define VIRTIO_NET_CTRL_RX    0
  #define VIRTIO_NET_CTRL_RX_PROMISC      0
  #define VIRTIO_NET_CTRL_RX_ALLMULTI     1
+ #define VIRTIO_NET_CTRL_RX_ALLUNI       2
+ #define VIRTIO_NET_CTRL_RX_NOMULTI      3
+ #define VIRTIO_NET_CTRL_RX_NOUNI        4
+ #define VIRTIO_NET_CTRL_RX_NOBCAST      5
 
 /*
  * Control the MAC filter table.
@@ -111,4 +115,17 @@ struct virtio_net_ctrl_mac {
 #define VIRTIO_NET_CTRL_MAC    1
  #define VIRTIO_NET_CTRL_MAC_TABLE_SET        0
 
+/*
+ * Control VLAN filtering
+ *
+ * The VLAN filter table is controlled via a simple ADD/DEL interface.
+ * VLAN IDs not added may be filterd by the hypervisor.  Del is the
+ * opposite of add.  Both commands expect an out entry containing a 2
+ * byte VLAN ID.  VLAN filterting is available with the
+ * VIRTIO_NET_F_CTRL_VLAN feature bit.
+ */
+#define VIRTIO_NET_CTRL_VLAN       2
+ #define VIRTIO_NET_CTRL_VLAN_ADD             0
+ #define VIRTIO_NET_CTRL_VLAN_DEL             1
+
 #endif /* _LINUX_VIRTIO_NET_H */