diff options
| author | Yonghong Song <yonghong.song@linux.dev> | 2024-04-09 21:35:32 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-04-10 19:52:25 -0700 |
| commit | 849989af61added13b2a9005608b1cf46f36f88b (patch) | |
| tree | 23f4a8da6a053d120de73ac37f996fd3ac23d5b7 | |
| parent | 699c23f02c65cbfc3e638f14ce0d70c23a2e1f02 (diff) | |
libbpf: Add bpf_link support for BPF_PROG_TYPE_SOCKMAP
Introduce a libbpf API function bpf_program__attach_sockmap()
which allow user to get a bpf_link for their corresponding programs.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240410043532.3737722-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 7 | ||||
| -rw-r--r-- | tools/lib/bpf/libbpf.h | 2 | ||||
| -rw-r--r-- | tools/lib/bpf/libbpf.map | 1 |
3 files changed, 10 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index b091154bc5b5..97eb6e5dd7c8 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -149,6 +149,7 @@ static const char * const link_type_name[] = { [BPF_LINK_TYPE_TCX] = "tcx", [BPF_LINK_TYPE_UPROBE_MULTI] = "uprobe_multi", [BPF_LINK_TYPE_NETKIT] = "netkit", + [BPF_LINK_TYPE_SOCKMAP] = "sockmap", }; static const char * const map_type_name[] = { @@ -12533,6 +12534,12 @@ bpf_program__attach_netns(const struct bpf_program *prog, int netns_fd) return bpf_program_attach_fd(prog, netns_fd, "netns", NULL); } +struct bpf_link * +bpf_program__attach_sockmap(const struct bpf_program *prog, int map_fd) +{ + return bpf_program_attach_fd(prog, map_fd, "sockmap", NULL); +} + struct bpf_link *bpf_program__attach_xdp(const struct bpf_program *prog, int ifindex) { /* target_fd/target_ifindex use the same field in LINK_CREATE */ diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 4f775a6dcaa0..1333ae20ebe6 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -795,6 +795,8 @@ bpf_program__attach_cgroup(const struct bpf_program *prog, int cgroup_fd); LIBBPF_API struct bpf_link * bpf_program__attach_netns(const struct bpf_program *prog, int netns_fd); LIBBPF_API struct bpf_link * +bpf_program__attach_sockmap(const struct bpf_program *prog, int map_fd); +LIBBPF_API struct bpf_link * bpf_program__attach_xdp(const struct bpf_program *prog, int ifindex); LIBBPF_API struct bpf_link * bpf_program__attach_freplace(const struct bpf_program *prog, diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map index 23d82bba021a..c1ce8aa3520b 100644 --- a/tools/lib/bpf/libbpf.map +++ b/tools/lib/bpf/libbpf.map @@ -419,6 +419,7 @@ LIBBPF_1.4.0 { LIBBPF_1.5.0 { global: + bpf_program__attach_sockmap; ring__consume_n; ring_buffer__consume_n; } LIBBPF_1.4.0; |