diff options
Diffstat (limited to 'tools/include/uapi/linux/bpf.h')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 7973c28b24a0..6ad50b6471d3 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -2298,9 +2298,22 @@ union bpf_attr { * if possible. Other errors can occur if input parameters are * invalid either due to *start* byte not being valid part of msg * payload and/or *pop* value being to large. + * Return + * 0 on success, or a negative error in case of failure. + * + * int bpf_rc_pointer_rel(void *ctx, s32 rel_x, s32 rel_y) + * Description + * This helper is used in programs implementing IR decoding, to + * report a successfully decoded pointer movement. + * + * The *ctx* should point to the lirc sample as passed into + * the program. * + * This helper is only available is the kernel was compiled with + * the **CONFIG_BPF_LIRC_MODE2** configuration option set to + * "**y**". * Return - * 0 on success, or a negative erro in case of failure. + * 0 */ #define __BPF_FUNC_MAPPER(FN) \ FN(unspec), \ @@ -2394,7 +2407,8 @@ union bpf_attr { FN(map_pop_elem), \ FN(map_peek_elem), \ FN(msg_push_data), \ - FN(msg_pop_data), + FN(msg_pop_data), \ + FN(rc_pointer_rel), /* integer value in 'imm' field of BPF_CALL instruction selects which helper * function eBPF program intends to call |