From e7bf94dbb882b7d679a6a18e40e4f28076eb249f Mon Sep 17 00:00:00 2001 From: Alexei Starovoitov Date: Thu, 14 Nov 2019 10:57:18 -0800 Subject: libbpf: Add support for attaching BPF programs to other BPF programs Extend libbpf api to pass attach_prog_fd into bpf_object__open. Signed-off-by: Alexei Starovoitov Signed-off-by: Daniel Borkmann Acked-by: Song Liu Link: https://lore.kernel.org/bpf/20191114185720.1641606-19-ast@kernel.org --- tools/lib/bpf/libbpf.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools/lib/bpf/libbpf.h') diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index fbff419f6daf..0dbf4bfba0c4 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -108,8 +108,9 @@ struct bpf_object_open_opts { * auto-pinned to that path on load; defaults to "/sys/fs/bpf". */ const char *pin_root_path; + __u32 attach_prog_fd; }; -#define bpf_object_open_opts__last_field pin_root_path +#define bpf_object_open_opts__last_field attach_prog_fd LIBBPF_API struct bpf_object *bpf_object__open(const char *path); LIBBPF_API struct bpf_object * -- cgit v1.2.3-59-g8ed1b