export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/tools/include/uapi/linux/bpf.h
..
..
@@ -976,7 +976,9 @@
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  * 		performed again, if the helper is used in combination with
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  * 		direct packet access.
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  * 	Return
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- * 		0 on success, or a negative error in case of failure.
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+ * 		0 on success, or a negative error in case of failure. Positive
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+ * 		error indicates a potential drop or congestion in the target
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+ * 		device. The particular positive error codes are not defined.
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  *
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  * u64 bpf_get_current_pid_tgid(void)
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  * 	Return