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authorAndreas Gruenbacher <agruen@linbit.com>2011-05-17 13:29:46 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2012-11-08 16:55:55 +0100
commit509100e6012db92f4af3796436b450447c6c8268 (patch)
tree161f5b29974425fac4fe3e865fbea438b91c2511 /include/linux/genl_magic_struct.h
parent309f0b70ab789bf85c5f5f32dbc466d42f024747 (diff)
downloadvexpress-lsk-509100e6012db92f4af3796436b450447c6c8268.tar.gz
drbd: Output signed / unsigned netlink fields correctly
Note: All input values are still treated as signed; unsigned long long values are still broken. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'include/linux/genl_magic_struct.h')
-rw-r--r--include/linux/genl_magic_struct.h52
1 files changed, 38 insertions, 14 deletions
diff --git a/include/linux/genl_magic_struct.h b/include/linux/genl_magic_struct.h
index 0fca21fd1af..ba911da84d9 100644
--- a/include/linux/genl_magic_struct.h
+++ b/include/linux/genl_magic_struct.h
@@ -87,28 +87,28 @@ enum {
/* 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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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)
+ nla_get_u64, NLA_PUT_U64, false)
#define __str_field(attr_nr, attr_flag, name, maxlen) \
__array(attr_nr, attr_flag, name, NLA_NUL_STRING, char, maxlen, \
- nla_strlcpy, NLA_PUT)
+ nla_strlcpy, 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)
+ nla_memcpy, NLA_PUT, false)
/* fields with default values */
#define __flg_field_def(attr_nr, attr_flag, name, default) \
@@ -174,11 +174,13 @@ enum { \
};
#undef __field
-#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
+#define __field(attr_nr, attr_flag, name, nla_type, type, \
+ __get, __put, __is_signed) \
T_ ## name = (__u16)(attr_nr | attr_flag),
#undef __array
-#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put) \
+#define __array(attr_nr, attr_flag, name, nla_type, type, \
+ maxlen, __get, __put, __is_signed) \
T_ ## name = (__u16)(attr_nr | attr_flag),
#include GENL_MAGIC_INCLUDE_FILE
@@ -238,11 +240,13 @@ static inline void ct_assert_unique_ ## s_name ## _attributes(void) \
}
#undef __field
-#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
+#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) \
+#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \
+ __get, __put, __is_signed) \
case attr_nr:
#include GENL_MAGIC_INCLUDE_FILE
@@ -260,16 +264,36 @@ static inline void ct_assert_unique_ ## s_name ## _attributes(void) \
struct s_name { s_fields };
#undef __field
-#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
+#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) \
+#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 */
/* vim: set foldmethod=marker nofoldenable : */