mac80211 under mipsel complains about implicit declaration of
get_unaligned. the following patch deals with this issue.
Signed-off-by: Alexandros C. Couloumbis <alex at ozo.com>
---
diff -Nrub a/compat-wireless-2008-07-26/include/net/compat.h
b/compat-wireless-2008-07-26/include/net/compat.h
--- a/compat-wireless-2008-07-26/include/net/compat.h 2008-07-26
07:11:10.000000000 +0300
+++ b/compat-wireless-2008-07-26/include/net/compat.h 2008-07-27
12:58:28.000000000 +0300
@@ -678,6 +678,7 @@
# include <linux/unaligned/le_struct.h>
# include <linux/unaligned/be_byteshift.h>
# include <linux/unaligned/generic.h>
+# include "mipsel-asm-generic-unaligned.h"
#endif
#endif /* mips */
diff -Nrub
a/compat-wireless-2008-07-26/include/net/mipsel-asm-generic-unaligned.h
b/compat-wireless-2008-07-26/include/net/mipsel-asm-generic-unaligned.h
--- a/compat-wireless-2008-07-26/include/net/mipsel-asm-generic-unaligned.h
1970-01-01 02:00:00.000000000 +0200
+++ b/compat-wireless-2008-07-26/include/net/mipsel-asm-generic-unaligned.h
2008-07-27 12:58:42.000000000 +0300
@@ -0,0 +1,120 @@
+#ifndef _ASM_GENERIC_UNALIGNED_H_
+#define _ASM_GENERIC_UNALIGNED_H_
+
+/*
+ * For the benefit of those who are trying to port Linux to another
+ * architecture, here are some C-language equivalents.
+ *
+ * This is based almost entirely upon Richard Henderson's
+ * asm-alpha/unaligned.h implementation. Some comments were
+ * taken from David Mosberger's asm-ia64/unaligned.h header.
+ */
+
+#include <linux/types.h>
+
+/*
+ * The main single-value unaligned transfer routines.
+ */
+#define get_unaligned(ptr) \
+ __get_unaligned((ptr), sizeof(*(ptr)))
+#define put_unaligned(x,ptr) \
+ ((void)sizeof(*(ptr)=(x)),\
+ __put_unaligned((__force __u64)(x), (ptr), sizeof(*(ptr))))
+
+/*
+ * This function doesn't actually exist. The idea is that when
+ * someone uses the macros below with an unsupported size (datatype),
+ * the linker will alert us to the problem via an unresolved reference
+ * error.
+ */
+extern void bad_unaligned_access_length(void) __attribute__((noreturn));
+
+/*
+ * Elemental unaligned loads
+ */
+
+static inline __u64 __uldq(const __u64 *addr)
+{
+ const struct __una_u64 *ptr = (const struct __una_u64 *) addr;
+ return ptr->x;
+}
+
+static inline __u32 __uldl(const __u32 *addr)
+{
+ const struct __una_u32 *ptr = (const struct __una_u32 *) addr;
+ return ptr->x;
+}
+
+static inline __u16 __uldw(const __u16 *addr)
+{
+ const struct __una_u16 *ptr = (const struct __una_u16 *) addr;
+ return ptr->x;
+}
+
+/*
+ * Elemental unaligned stores
+ */
+
+static inline void __ustq(__u64 val, __u64 *addr)
+{
+ struct __una_u64 *ptr = (struct __una_u64 *) addr;
+ ptr->x = val;
+}
+
+static inline void __ustl(__u32 val, __u32 *addr)
+{
+ struct __una_u32 *ptr = (struct __una_u32 *) addr;
+ ptr->x = val;
+}
+
+static inline void __ustw(__u16 val, __u16 *addr)
+{
+ struct __una_u16 *ptr = (struct __una_u16 *) addr;
+ ptr->x = val;
+}
+
+#define __get_unaligned(ptr, size) ({ \
+ const void *__gu_p = ptr; \
+ __u64 __val; \
+ switch (size) { \
+ case 1: \
+ __val = *(const __u8 *)__gu_p; \
+ break; \
+ case 2: \
+ __val = __uldw(__gu_p); \
+ break; \
+ case 4: \
+ __val = __uldl(__gu_p); \
+ break; \
+ case 8: \
+ __val = __uldq(__gu_p); \
+ break; \
+ default: \
+ bad_unaligned_access_length(); \
+ }; \
+ (__force __typeof__(*(ptr)))__val; \
+})
+
+#define __put_unaligned(val, ptr, size) \
+({ \
+ void *__gu_p = ptr; \
+ switch (size) { \
+ case 1: \
+ *(__u8 *)__gu_p = (__force __u8)val; \
+ break; \
+ case 2: \
+ __ustw((__force __u16)val, __gu_p); \
+ break; \
+ case 4: \
+ __ustl((__force __u32)val, __gu_p); \
+ break; \
+ case 8: \
+ __ustq(val, __gu_p); \
+ break; \
+ default: \
+ bad_unaligned_access_length(); \
+ }; \
+ (void)0; \
+})
+
+#endif /* _ASM_GENERIC_UNALIGNED_H */
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