bpf_helper_defs.h: error: unknown type name

[bithamr]

if you're [...] getting bpf_helper_defs.h:77:83: error: unknown type name: '__u64' you need to make sure #include <linux/types.h> is your first include.

[lmb]

@bithamr discovered the fix to his problem himself:

if you're [...] getting bpf_helper_defs.h:77:83: error: unknown type name: '__u64' you need to make sure #include <linux/types.h> is your first include.