On Fri, Mar 04, 2022 at 06:28:30PM +0100, Benjamin Tissoires wrote: > Everything should be available in the selftest part of the tree, but > providing an example without uhid and hidraw will be more easy to > follow for users. > > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> > > --- > > changes in v2: > - split the series by bpf/libbpf/hid/selftests and samples > --- > samples/bpf/.gitignore | 1 + > samples/bpf/Makefile | 4 ++ > samples/bpf/hid_mouse_kern.c | 66 ++++++++++++++++++ > samples/bpf/hid_mouse_user.c | 129 +++++++++++++++++++++++++++++++++++ > 4 files changed, 200 insertions(+) > create mode 100644 samples/bpf/hid_mouse_kern.c > create mode 100644 samples/bpf/hid_mouse_user.c > > diff --git a/samples/bpf/.gitignore b/samples/bpf/.gitignore > index 0e7bfdbff80a..65440bd618b2 100644 > --- a/samples/bpf/.gitignore > +++ b/samples/bpf/.gitignore > @@ -2,6 +2,7 @@ > cpustat > fds_example > hbm > +hid_mouse > ibumad > lathist > lwt_len_hist > diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile > index 38638845db9d..84ef458487df 100644 > --- a/samples/bpf/Makefile > +++ b/samples/bpf/Makefile > @@ -60,6 +60,8 @@ tprogs-y += xdp_redirect_map > tprogs-y += xdp_redirect > tprogs-y += xdp_monitor > > +tprogs-y += hid_mouse > + > # Libbpf dependencies > LIBBPF_SRC = $(TOOLS_PATH)/lib/bpf > LIBBPF_OUTPUT = $(abspath $(BPF_SAMPLES_PATH))/libbpf > @@ -124,6 +126,7 @@ xdp_redirect_cpu-objs := xdp_redirect_cpu_user.o $(XDP_SAMPLE) > xdp_redirect_map-objs := xdp_redirect_map_user.o $(XDP_SAMPLE) > xdp_redirect-objs := xdp_redirect_user.o $(XDP_SAMPLE) > xdp_monitor-objs := xdp_monitor_user.o $(XDP_SAMPLE) > +hid_mouse-objs := hid_mouse_user.o > > # Tell kbuild to always build the programs > always-y := $(tprogs-y) > @@ -181,6 +184,7 @@ always-y += ibumad_kern.o > always-y += hbm_out_kern.o > always-y += hbm_edt_kern.o > always-y += xdpsock_kern.o > +always-y += hid_mouse_kern.o > > ifeq ($(ARCH), arm) > # Strip all except -D__LINUX_ARM_ARCH__ option needed to handle linux > diff --git a/samples/bpf/hid_mouse_kern.c b/samples/bpf/hid_mouse_kern.c > new file mode 100644 > index 000000000000..c24a12e06b40 > --- /dev/null > +++ b/samples/bpf/hid_mouse_kern.c > @@ -0,0 +1,66 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* Copyright (c) 2021 Benjamin Tissoires It's 2022 now :( Other than that, looks nice and simple, good work! Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>