netlink: Export genl_lock() API for use by modules
[linux-2.6.git] / include / linux / genetlink.h
index 84f12a4..61549b2 100644 (file)
@@ -1,6 +1,7 @@
 #ifndef __LINUX_GENERIC_NETLINK_H
 #define __LINUX_GENERIC_NETLINK_H
 
+#include <linux/types.h>
 #include <linux/netlink.h>
 
 #define GENL_NAMSIZ    16      /* length of family name */
@@ -16,6 +17,11 @@ struct genlmsghdr {
 
 #define GENL_HDRLEN    NLMSG_ALIGN(sizeof(struct genlmsghdr))
 
+#define GENL_ADMIN_PERM                0x01
+#define GENL_CMD_CAP_DO                0x02
+#define GENL_CMD_CAP_DUMP      0x04
+#define GENL_CMD_CAP_HASPOL    0x08
+
 /*
  * List of reserved static generic netlink identifiers:
  */
@@ -34,6 +40,9 @@ enum {
        CTRL_CMD_NEWOPS,
        CTRL_CMD_DELOPS,
        CTRL_CMD_GETOPS,
+       CTRL_CMD_NEWMCAST_GRP,
+       CTRL_CMD_DELMCAST_GRP,
+       CTRL_CMD_GETMCAST_GRP, /* unused */
        __CTRL_CMD_MAX,
 };
 
@@ -43,9 +52,40 @@ enum {
        CTRL_ATTR_UNSPEC,
        CTRL_ATTR_FAMILY_ID,
        CTRL_ATTR_FAMILY_NAME,
+       CTRL_ATTR_VERSION,
+       CTRL_ATTR_HDRSIZE,
+       CTRL_ATTR_MAXATTR,
+       CTRL_ATTR_OPS,
+       CTRL_ATTR_MCAST_GROUPS,
        __CTRL_ATTR_MAX,
 };
 
 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
 
+enum {
+       CTRL_ATTR_OP_UNSPEC,
+       CTRL_ATTR_OP_ID,
+       CTRL_ATTR_OP_FLAGS,
+       __CTRL_ATTR_OP_MAX,
+};
+
+#define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
+
+enum {
+       CTRL_ATTR_MCAST_GRP_UNSPEC,
+       CTRL_ATTR_MCAST_GRP_NAME,
+       CTRL_ATTR_MCAST_GRP_ID,
+       __CTRL_ATTR_MCAST_GRP_MAX,
+};
+
+#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
+
+#ifdef __KERNEL__
+
+/* All generic netlink requests are serialized by a global lock.  */
+extern void genl_lock(void);
+extern void genl_unlock(void);
+
+#endif /* __KERNEL__ */
+
 #endif /* __LINUX_GENERIC_NETLINK_H */