This can happen in situations when CONFIG_HID_SUPPORT is set to no, or some complex situations where struct bpf_wq is not exported.
So do the usual dance of hiding them before including vmlinux.h, and then redefining them and make use of CO-RE to have the correct offsets. Reported-by: kernel test robot <[email protected]> Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ Cc: [email protected] Signed-off-by: Benjamin Tissoires <[email protected]> --- tools/testing/selftests/hid/progs/hid_bpf_helpers.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tools/testing/selftests/hid/progs/hid_bpf_helpers.h b/tools/testing/selftests/hid/progs/hid_bpf_helpers.h index 80ab60905865..2c6ec907dd05 100644 --- a/tools/testing/selftests/hid/progs/hid_bpf_helpers.h +++ b/tools/testing/selftests/hid/progs/hid_bpf_helpers.h @@ -8,9 +8,11 @@ /* "undefine" structs and enums in vmlinux.h, because we "override" them below */ #define hid_bpf_ctx hid_bpf_ctx___not_used #define hid_bpf_ops hid_bpf_ops___not_used +#define hid_device hid_device___not_used #define hid_report_type hid_report_type___not_used #define hid_class_request hid_class_request___not_used #define hid_bpf_attach_flags hid_bpf_attach_flags___not_used +#define bpf_wq bpf_wq___not_used #define HID_INPUT_REPORT HID_INPUT_REPORT___not_used #define HID_OUTPUT_REPORT HID_OUTPUT_REPORT___not_used #define HID_FEATURE_REPORT HID_FEATURE_REPORT___not_used @@ -29,9 +31,11 @@ #undef hid_bpf_ctx #undef hid_bpf_ops +#undef hid_device #undef hid_report_type #undef hid_class_request #undef hid_bpf_attach_flags +#undef bpf_wq #undef HID_INPUT_REPORT #undef HID_OUTPUT_REPORT #undef HID_FEATURE_REPORT @@ -55,6 +59,14 @@ enum hid_report_type { HID_REPORT_TYPES, }; +struct hid_device { + unsigned int id; +} __attribute__((preserve_access_index)); + +struct bpf_wq { + __u64 __opaque[2]; +}; + struct hid_bpf_ctx { struct hid_device *hid; __u32 allocated_size; -- 2.52.0

