change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/tools/lib/bpf/bpf_helpers.h
..
..
@@ -42,16 +42,21 @@
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 /*
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  * Helper macro to manipulate data structures
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  */
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-#ifndef offsetof
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-#define offsetof(TYPE, MEMBER)	((unsigned long)&((TYPE *)0)->MEMBER)
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-#endif
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-#ifndef container_of
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+
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+/* offsetof() definition that uses __builtin_offset() might not preserve field
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+ * offset CO-RE relocation properly, so force-redefine offsetof() using
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+ * old-school approach which works with CO-RE correctly
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+ */
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+#undef offsetof
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+#define offsetof(type, member)	((unsigned long)&((type *)0)->member)
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+
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+/* redefined container_of() to ensure we use the above offsetof() macro */
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+#undef container_of
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 #define container_of(ptr, type, member)				\
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 	({							\
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 		void *__mptr = (void *)(ptr);			\
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 		((type *)(__mptr - offsetof(type, member)));	\
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 	})
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-#endif
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 /*
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  * Helper macro to throw a compilation error if __bpf_unreachable() gets