1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __LINUX_GENERIC_NETLINK_H 3 #define __LINUX_GENERIC_NETLINK_H 4 5 #include <linux/types.h> 6 #include <linux/netlink.h> 7 8 #define GENL_NAMSIZ 16 /* length of family name */ 9 10 #define GENL_MIN_ID NLMSG_MIN_TYPE 11 #define GENL_MAX_ID 1023 12 13 struct genlmsghdr { 14 __u8 cmd; 15 __u8 version; 16 __u16 reserved; 17 }; 18 19 #define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr)) 20 21 #define GENL_ADMIN_PERM 0x01 22 #define GENL_CMD_CAP_DO 0x02 23 #define GENL_CMD_CAP_DUMP 0x04 24 #define GENL_CMD_CAP_HASPOL 0x08 25 #define GENL_UNS_ADMIN_PERM 0x10 26 27 /* 28 * List of reserved static generic netlink identifiers: 29 */ 30 #define GENL_ID_CTRL NLMSG_MIN_TYPE 31 #define GENL_ID_VFS_DQUOT (NLMSG_MIN_TYPE + 1) 32 #define GENL_ID_PMCRAID (NLMSG_MIN_TYPE + 2) 33 /* must be last reserved + 1 */ 34 #define GENL_START_ALLOC (NLMSG_MIN_TYPE + 3) 35 36 /************************************************************************** 37 * Controller 38 **************************************************************************/ 39 40 enum { 41 CTRL_CMD_UNSPEC, 42 CTRL_CMD_NEWFAMILY, 43 CTRL_CMD_DELFAMILY, 44 CTRL_CMD_GETFAMILY, 45 CTRL_CMD_NEWOPS, 46 CTRL_CMD_DELOPS, 47 CTRL_CMD_GETOPS, 48 CTRL_CMD_NEWMCAST_GRP, 49 CTRL_CMD_DELMCAST_GRP, 50 CTRL_CMD_GETMCAST_GRP, /* unused */ 51 __CTRL_CMD_MAX, 52 }; 53 54 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1) 55 56 enum { 57 CTRL_ATTR_UNSPEC, 58 CTRL_ATTR_FAMILY_ID, 59 CTRL_ATTR_FAMILY_NAME, 60 CTRL_ATTR_VERSION, 61 CTRL_ATTR_HDRSIZE, 62 CTRL_ATTR_MAXATTR, 63 CTRL_ATTR_OPS, 64 CTRL_ATTR_MCAST_GROUPS, 65 __CTRL_ATTR_MAX, 66 }; 67 68 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1) 69 70 enum { 71 CTRL_ATTR_OP_UNSPEC, 72 CTRL_ATTR_OP_ID, 73 CTRL_ATTR_OP_FLAGS, 74 __CTRL_ATTR_OP_MAX, 75 }; 76 77 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1) 78 79 enum { 80 CTRL_ATTR_MCAST_GRP_UNSPEC, 81 CTRL_ATTR_MCAST_GRP_NAME, 82 CTRL_ATTR_MCAST_GRP_ID, 83 __CTRL_ATTR_MCAST_GRP_MAX, 84 }; 85 86 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1) 87 88 89 #endif /* __LINUX_GENERIC_NETLINK_H */ 90