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/bpf.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'tools/lib/bpf/bpf.h') diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 1c53bc5b4b3c..3c791fa8e68e 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -77,7 +77,10 @@ struct bpf_load_program_attr { const struct bpf_insn *insns; size_t insns_cnt; const char *license; - __u32 kern_version; + union { + __u32 kern_version; + __u32 attach_prog_fd; + }; union { __u32 prog_ifindex; __u32 attach_btf_id; -- cgit v1.2.3