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authorAlexei Starovoitov <ast@kernel.org>2019-11-14 10:57:18 -0800
committerDaniel Borkmann <daniel@iogearbox.net>2019-11-15 23:45:37 +0100
commite7bf94dbb882b7d679a6a18e40e4f28076eb249f (patch)
treef6bfb5152e191f6c1883b4bd5b7f357557d0b81b /tools/include/uapi/linux/bpf.h
parentbpf: Support attaching tracing BPF program to other BPF programs (diff)
downloadlinux-dev-e7bf94dbb882b7d679a6a18e40e4f28076eb249f.tar.xz
linux-dev-e7bf94dbb882b7d679a6a18e40e4f28076eb249f.zip
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 <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20191114185720.1641606-19-ast@kernel.org
Diffstat (limited to '')
-rw-r--r--tools/include/uapi/linux/bpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 69c200e6e696..4842a134b202 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -425,6 +425,7 @@ union bpf_attr {
__aligned_u64 line_info; /* line info */
__u32 line_info_cnt; /* number of bpf_line_info records */
__u32 attach_btf_id; /* in-kernel BTF type id to attach to */
+ __u32 attach_prog_fd; /* 0 to attach to vmlinux */
};
struct { /* anonymous struct used by BPF_OBJ_* commands */