1 #ifndef __LINUX_GENERIC_NETLINK_H 2 #define __LINUX_GENERIC_NETLINK_H 3 4 #include <linux/types.h> 5 #include <linux/netlink.h> 6 7 #define GENL_NAMSIZ 16 /* length of family name */ 8 9 #define GENL_MIN_ID NLMSG_MIN_TYPE 10 #define GENL_MAX_ID 1023 11 12 struct genlmsghdr { 13 __u8 cmd; 14 __u8 version; 15 __u16 reserved; 16 }; 17 18 #define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr)) 19 20 #define GENL_ADMIN_PERM 0x01 21 #define GENL_CMD_CAP_DO 0x02 22 #define GENL_CMD_CAP_DUMP 0x04 23 #define GENL_CMD_CAP_HASPOL 0x08 24 25 /* 26 * List of reserved static generic netlink identifiers: 27 */ 28 #define GENL_ID_GENERATE 0 29 #define GENL_ID_CTRL NLMSG_MIN_TYPE 30 31 /************************************************************************** 32 * Controller 33 **************************************************************************/ 34 35 enum { 36 CTRL_CMD_UNSPEC, 37 CTRL_CMD_NEWFAMILY, 38 CTRL_CMD_DELFAMILY, 39 CTRL_CMD_GETFAMILY, 40 CTRL_CMD_NEWOPS, 41 CTRL_CMD_DELOPS, 42 CTRL_CMD_GETOPS, 43 CTRL_CMD_NEWMCAST_GRP, 44 CTRL_CMD_DELMCAST_GRP, 45 CTRL_CMD_GETMCAST_GRP, /* unused */ 46 __CTRL_CMD_MAX, 47 }; 48 49 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1) 50 51 enum { 52 CTRL_ATTR_UNSPEC, 53 CTRL_ATTR_FAMILY_ID, 54 CTRL_ATTR_FAMILY_NAME, 55 CTRL_ATTR_VERSION, 56 CTRL_ATTR_HDRSIZE, 57 CTRL_ATTR_MAXATTR, 58 CTRL_ATTR_OPS, 59 CTRL_ATTR_MCAST_GROUPS, 60 __CTRL_ATTR_MAX, 61 }; 62 63 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1) 64 65 enum { 66 CTRL_ATTR_OP_UNSPEC, 67 CTRL_ATTR_OP_ID, 68 CTRL_ATTR_OP_FLAGS, 69 __CTRL_ATTR_OP_MAX, 70 }; 71 72 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1) 73 74 enum { 75 CTRL_ATTR_MCAST_GRP_UNSPEC, 76 CTRL_ATTR_MCAST_GRP_NAME, 77 CTRL_ATTR_MCAST_GRP_ID, 78 __CTRL_ATTR_MCAST_GRP_MAX, 79 }; 80 81 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1) 82 83 #ifdef __KERNEL__ 84 85 /* All generic netlink requests are serialized by a global lock. */ 86 extern void genl_lock(void); 87 extern void genl_unlock(void); 88 89 #endif /* __KERNEL__ */ 90 91 #endif /* __LINUX_GENERIC_NETLINK_H */ 92
