diff options
Diffstat (limited to 'include/linux/genl_magic_struct.h')
| -rw-r--r-- | include/linux/genl_magic_struct.h | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/include/linux/genl_magic_struct.h b/include/linux/genl_magic_struct.h deleted file mode 100644 index 2200cedd160a..000000000000 --- a/include/linux/genl_magic_struct.h +++ /dev/null @@ -1,272 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef GENL_MAGIC_STRUCT_H -#define GENL_MAGIC_STRUCT_H - -#ifndef GENL_MAGIC_FAMILY -# error "you need to define GENL_MAGIC_FAMILY before inclusion" -#endif - -#ifndef GENL_MAGIC_VERSION -# error "you need to define GENL_MAGIC_VERSION before inclusion" -#endif - -#ifndef GENL_MAGIC_INCLUDE_FILE -# error "you need to define GENL_MAGIC_INCLUDE_FILE before inclusion" -#endif - -#include <linux/args.h> -#include <linux/types.h> -#include <net/genetlink.h> - -extern int CONCATENATE(GENL_MAGIC_FAMILY, _genl_register)(void); -extern void CONCATENATE(GENL_MAGIC_FAMILY, _genl_unregister)(void); - -/* - * Extension of genl attribute validation policies {{{2 - */ - -/* - * Flags specific to drbd and not visible at the netlink layer, used in - * <struct>_from_attrs and <struct>_to_skb: - * - * @DRBD_F_REQUIRED: Attribute is required; a request without this attribute is - * invalid. - * - * @DRBD_F_SENSITIVE: Attribute includes sensitive information and must not be - * included in unpriviledged get requests or broadcasts. - * - * @DRBD_F_INVARIANT: Attribute is set when an object is initially created, but - * cannot subsequently be changed. - */ -#define DRBD_F_REQUIRED (1 << 0) -#define DRBD_F_SENSITIVE (1 << 1) -#define DRBD_F_INVARIANT (1 << 2) - - -/* }}}1 - * MAGIC - * multi-include macro expansion magic starts here - */ - -/* MAGIC helpers {{{2 */ - -static inline int nla_put_u64_0pad(struct sk_buff *skb, int attrtype, u64 value) -{ - return nla_put_64bit(skb, attrtype, sizeof(u64), &value, 0); -} - -/* possible field types */ -#define __flg_field(attr_nr, attr_flag, name) \ - __field(attr_nr, attr_flag, name, NLA_U8, char, \ - nla_get_u8, nla_put_u8, false) -#define __u8_field(attr_nr, attr_flag, name) \ - __field(attr_nr, attr_flag, name, NLA_U8, unsigned char, \ - nla_get_u8, nla_put_u8, false) -#define __u16_field(attr_nr, attr_flag, name) \ - __field(attr_nr, attr_flag, name, NLA_U16, __u16, \ - nla_get_u16, nla_put_u16, false) -#define __u32_field(attr_nr, attr_flag, name) \ - __field(attr_nr, attr_flag, name, NLA_U32, __u32, \ - nla_get_u32, nla_put_u32, false) -#define __s32_field(attr_nr, attr_flag, name) \ - __field(attr_nr, attr_flag, name, NLA_U32, __s32, \ - nla_get_u32, nla_put_u32, true) -#define __u64_field(attr_nr, attr_flag, name) \ - __field(attr_nr, attr_flag, name, NLA_U64, __u64, \ - nla_get_u64, nla_put_u64_0pad, false) -#define __str_field(attr_nr, attr_flag, name, maxlen) \ - __array(attr_nr, attr_flag, name, NLA_NUL_STRING, char, maxlen, \ - nla_strscpy, nla_put, false) -#define __bin_field(attr_nr, attr_flag, name, maxlen) \ - __array(attr_nr, attr_flag, name, NLA_BINARY, char, maxlen, \ - nla_memcpy, nla_put, false) - -/* fields with default values */ -#define __flg_field_def(attr_nr, attr_flag, name, default) \ - __flg_field(attr_nr, attr_flag, name) -#define __u32_field_def(attr_nr, attr_flag, name, default) \ - __u32_field(attr_nr, attr_flag, name) -#define __s32_field_def(attr_nr, attr_flag, name, default) \ - __s32_field(attr_nr, attr_flag, name) -#define __str_field_def(attr_nr, attr_flag, name, maxlen) \ - __str_field(attr_nr, attr_flag, name, maxlen) - -#define GENL_op_init(args...) args -#define GENL_doit(handler) \ - .doit = handler, \ - .flags = GENL_ADMIN_PERM, -#define GENL_dumpit(handler) \ - .dumpit = handler, \ - .flags = GENL_ADMIN_PERM, - -/* }}}1 - * Magic: define the enum symbols for genl_ops - * Magic: define the enum symbols for top level attributes - * Magic: define the enum symbols for nested attributes - * {{{2 - */ - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) - -#undef GENL_mc_group -#define GENL_mc_group(group) - -#undef GENL_notification -#define GENL_notification(op_name, op_num, mcast_group, tla_list) \ - op_name = op_num, - -#undef GENL_op -#define GENL_op(op_name, op_num, handler, tla_list) \ - op_name = op_num, - -enum { -#include GENL_MAGIC_INCLUDE_FILE -}; - -#undef GENL_notification -#define GENL_notification(op_name, op_num, mcast_group, tla_list) - -#undef GENL_op -#define GENL_op(op_name, op_num, handler, attr_list) - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) \ - tag_name = tag_number, - -enum { -#include GENL_MAGIC_INCLUDE_FILE -}; - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) \ -enum { \ - s_fields \ -}; - -#undef __field -#define __field(attr_nr, attr_flag, name, nla_type, type, \ - __get, __put, __is_signed) \ - T_ ## name = (__u16)(attr_nr), - -#undef __array -#define __array(attr_nr, attr_flag, name, nla_type, type, \ - maxlen, __get, __put, __is_signed) \ - T_ ## name = (__u16)(attr_nr), - -#include GENL_MAGIC_INCLUDE_FILE - -/* }}}1 - * Magic: compile time assert unique numbers for operations - * Magic: -"- unique numbers for top level attributes - * Magic: -"- unique numbers for nested attributes - * {{{2 - */ - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) - -#undef GENL_op -#define GENL_op(op_name, op_num, handler, attr_list) \ - case op_name: - -#undef GENL_notification -#define GENL_notification(op_name, op_num, mcast_group, tla_list) \ - case op_name: - -static inline void ct_assert_unique_operations(void) -{ - switch (0) { -#include GENL_MAGIC_INCLUDE_FILE - case 0: - ; - } -} - -#undef GENL_op -#define GENL_op(op_name, op_num, handler, attr_list) - -#undef GENL_notification -#define GENL_notification(op_name, op_num, mcast_group, tla_list) - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) \ - case tag_number: - -static inline void ct_assert_unique_top_level_attributes(void) -{ - switch (0) { -#include GENL_MAGIC_INCLUDE_FILE - case 0: - ; - } -} - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) \ -static inline void ct_assert_unique_ ## s_name ## _attributes(void) \ -{ \ - switch (0) { \ - s_fields \ - case 0: \ - ; \ - } \ -} - -#undef __field -#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \ - __is_signed) \ - case attr_nr: - -#undef __array -#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \ - __get, __put, __is_signed) \ - case attr_nr: - -#include GENL_MAGIC_INCLUDE_FILE - -/* }}}1 - * Magic: declare structs - * struct <name> { - * fields - * }; - * {{{2 - */ - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) \ -struct s_name { s_fields }; - -#undef __field -#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \ - __is_signed) \ - type name; - -#undef __array -#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \ - __get, __put, __is_signed) \ - type name[maxlen]; \ - __u32 name ## _len; - -#include GENL_MAGIC_INCLUDE_FILE - -#undef GENL_struct -#define GENL_struct(tag_name, tag_number, s_name, s_fields) \ -enum { \ - s_fields \ -}; - -#undef __field -#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \ - is_signed) \ - F_ ## name ## _IS_SIGNED = is_signed, - -#undef __array -#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \ - __get, __put, is_signed) \ - F_ ## name ## _IS_SIGNED = is_signed, - -#include GENL_MAGIC_INCLUDE_FILE - -/* }}}1 */ -#endif /* GENL_MAGIC_STRUCT_H */ |
