On Fri, Mar 04, 2022 at 06:28:35PM +0100, Benjamin Tissoires wrote:
the program inverts the definition of X and Y at a given place in the report descriptor of my mouse.
Signed-off-by: Benjamin Tissoires benjamin.tissoires@redhat.com
changes in v2:
- split the series by bpf/libbpf/hid/selftests and samples
samples/bpf/hid_mouse_kern.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/samples/bpf/hid_mouse_kern.c b/samples/bpf/hid_mouse_kern.c index c24a12e06b40..958820caaf5d 100644 --- a/samples/bpf/hid_mouse_kern.c +++ b/samples/bpf/hid_mouse_kern.c @@ -62,5 +62,30 @@ int hid_x_event(struct hid_bpf_ctx *ctx) return 0; } +SEC("hid/rdesc_fixup") +int hid_rdesc_fixup(struct hid_bpf_ctx *ctx)
No comment here to show the same as you put in the changelog saying what this function is doing?
Otherwise it's hard for a non-HID developer to know that:
- ctx->data[39] = 0x31;
- ctx->data[41] = 0x30;
Is flipping things.
thanks,
greg k-h