gmac get mac form eeprom

hc

2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/include/linux/stddef.h
..
..
@@ -36,4 +36,52 @@
36
36
 #define offsetofend(TYPE, MEMBER) \
37
37
 	(offsetof(TYPE, MEMBER)	+ sizeof_field(TYPE, MEMBER))
38
38
 
39
+/**
40
+ * struct_group() - Wrap a set of declarations in a mirrored struct
41
+ *
42
+ * @NAME: The identifier name of the mirrored sub-struct
43
+ * @MEMBERS: The member declarations for the mirrored structs
44
+ *
45
+ * Used to create an anonymous union of two structs with identical
46
+ * layout and size: one anonymous and one named. The former can be
47
+ * used normally without sub-struct naming, and the latter can be
48
+ * used to reason about the start, end, and size of the group of
49
+ * struct members.
50
+ */
51
+#define struct_group(NAME, MEMBERS...)	\
52
+	__struct_group(/* no tag */, NAME, /* no attrs */, MEMBERS)
53
+
54
+/**
55
+ * struct_group_attr() - Create a struct_group() with trailing attributes
56
+ *
57
+ * @NAME: The identifier name of the mirrored sub-struct
58
+ * @ATTRS: Any struct attributes to apply
59
+ * @MEMBERS: The member declarations for the mirrored structs
60
+ *
61
+ * Used to create an anonymous union of two structs with identical
62
+ * layout and size: one anonymous and one named. The former can be
63
+ * used normally without sub-struct naming, and the latter can be
64
+ * used to reason about the start, end, and size of the group of
65
+ * struct members. Includes structure attributes argument.
66
+ */
67
+#define struct_group_attr(NAME, ATTRS, MEMBERS...) \
68
+	__struct_group(/* no tag */, NAME, ATTRS, MEMBERS)
69
+
70
+/**
71
+ * struct_group_tagged() - Create a struct_group with a reusable tag
72
+ *
73
+ * @TAG: The tag name for the named sub-struct
74
+ * @NAME: The identifier name of the mirrored sub-struct
75
+ * @MEMBERS: The member declarations for the mirrored structs
76
+ *
77
+ * Used to create an anonymous union of two structs with identical
78
+ * layout and size: one anonymous and one named. The former can be
79
+ * used normally without sub-struct naming, and the latter can be
80
+ * used to reason about the start, end, and size of the group of
81
+ * struct members. Includes struct tag argument for the named copy,
82
+ * so the specified layout can be reused later.
83
+ */
84
+#define struct_group_tagged(TAG, NAME, MEMBERS...) \
85
+	__struct_group(TAG, NAME, /* no attrs */, MEMBERS)
86
+
39
87
 #endif