On 4/5/24 1:14 PM, Andrii Nakryiko wrote:
On Wed, Apr 3, 2024 at 7:53 PM Yonghong Song <yonghong.song@xxxxxxxxx> wrote:
Introduce a libbpf API function bpf_program__attach_sockmap()
which allow user to get a bpf_link for their corresponding programs.
Acked-by: Eduard Zingerman <eddyz87@xxxxxxxxx>
Signed-off-by: Yonghong Song <yonghong.song@xxxxxxxxx>
---
tools/lib/bpf/libbpf.c | 7 +++++++
tools/lib/bpf/libbpf.h | 2 ++
tools/lib/bpf/libbpf.map | 6 ++++++
tools/lib/bpf/libbpf_version.h | 2 +-
4 files changed, 16 insertions(+), 1 deletion(-)
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 f88ab50c0229..4c7ada03bf4f 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 51732ecb1385..015737439007 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -411,8 +411,14 @@ LIBBPF_1.3.0 {
LIBBPF_1.4.0 {
global:
bpf_program__attach_raw_tracepoint_opts;
+ bpf_program__attach_sockmap;
leftover from the previous revision? please remove
Good catch. Thanks. will fix in the next revision.
with that:
Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
bpf_raw_tracepoint_open_opts;
bpf_token_create;
btf__new_split;
btf_ext__raw_data;
} LIBBPF_1.3.0;
+
+LIBBPF_1.5.0 {
+ global:
+ bpf_program__attach_sockmap;
+} LIBBPF_1.4.0;
diff --git a/tools/lib/bpf/libbpf_version.h b/tools/lib/bpf/libbpf_version.h
index e783a47da815..d6e5eff967cb 100644
--- a/tools/lib/bpf/libbpf_version.h
+++ b/tools/lib/bpf/libbpf_version.h
@@ -4,6 +4,6 @@
#define __LIBBPF_VERSION_H
#define LIBBPF_MAJOR_VERSION 1
-#define LIBBPF_MINOR_VERSION 4
+#define LIBBPF_MINOR_VERSION 5
#endif /* __LIBBPF_VERSION_H */
--
2.43.0