On 05/14/2018 02:10 PM, Sean Young wrote: > Add support for BPF_PROG_IR_DECODER. This type of BPF program can call Kconfig file below uses IR_BPF_DECODER instead of the symbol name above. and then patch 3 says a third choice: The context provided to a BPF_PROG_RAWIR_DECODER is a struct ir_raw_event; > rc_keydown() to reported decoded IR scancodes, or rc_repeat() to report > that the last key should be repeated. > > Signed-off-by: Sean Young <sean@xxxxxxxx> > --- > drivers/media/rc/Kconfig | 8 +++ > drivers/media/rc/Makefile | 1 + > drivers/media/rc/ir-bpf-decoder.c | 93 +++++++++++++++++++++++++++++++ > include/linux/bpf_types.h | 3 + > include/uapi/linux/bpf.h | 16 +++++- > 5 files changed, 120 insertions(+), 1 deletion(-) > create mode 100644 drivers/media/rc/ir-bpf-decoder.c > > diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig > index eb2c3b6eca7f..10ad6167d87c 100644 > --- a/drivers/media/rc/Kconfig > +++ b/drivers/media/rc/Kconfig > @@ -120,6 +120,14 @@ config IR_IMON_DECODER > remote control and you would like to use it with a raw IR > receiver, or if you wish to use an encoder to transmit this IR. > > +config IR_BPF_DECODER > + bool "Enable IR raw decoder using BPF" > + depends on BPF_SYSCALL > + depends on RC_CORE=y > + help > + Enable this option to make it possible to load custom IR > + decoders written in BPF. > + > endif #RC_DECODERS > > menuconfig RC_DEVICES > diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile > index 2e1c87066f6c..12e1118430d0 100644 > --- a/drivers/media/rc/Makefile > +++ b/drivers/media/rc/Makefile > @@ -5,6 +5,7 @@ obj-y += keymaps/ > obj-$(CONFIG_RC_CORE) += rc-core.o > rc-core-y := rc-main.o rc-ir-raw.o > rc-core-$(CONFIG_LIRC) += lirc_dev.o > +rc-core-$(CONFIG_IR_BPF_DECODER) += ir-bpf-decoder.o -- ~Randy
