Re: [PATCH bpf-next 3/5] libbpf: Support guessing sendmsg{4,6} progs

[Martin KaFai Lau]

On Fri, May 18, 2018 at 07:21:11PM -0700, Andrey Ignatov wrote:
> libbpf can guess prog type and expected attach type based on section
> name. Add hints for "cgroup/sendmsg4" and "cgroup/sendmsg6" section
> names.
> 
> Signed-off-by: Andrey Ignatov 
> Acked-by: Alexei Starovoitov 
Acked-by: Martin KaFai Lau 

[PATCH bpf-next 3/5] libbpf: Support guessing sendmsg{4,6} progs

[Andrey Ignatov]

libbpf can guess prog type and expected attach type based on section
name. Add hints for "cgroup/sendmsg4" and "cgroup/sendmsg6" section
names.

Signed-off-by: Andrey Ignatov 
Acked-by: Alexei Starovoitov 
---
 tools/lib/bpf/libbpf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 3dbe217..f5238c5 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -2042,6 +2042,8 @@ static const struct {
BPF_SA_PROG_SEC("cgroup/bind6", BPF_CGROUP_INET6_BIND),
BPF_SA_PROG_SEC("cgroup/connect4", BPF_CGROUP_INET4_CONNECT),
BPF_SA_PROG_SEC("cgroup/connect6", BPF_CGROUP_INET6_CONNECT),
+   BPF_SA_PROG_SEC("cgroup/sendmsg4", BPF_CGROUP_UDP4_SENDMSG),
+   BPF_SA_PROG_SEC("cgroup/sendmsg6", BPF_CGROUP_UDP6_SENDMSG),
BPF_S_PROG_SEC("cgroup/post_bind4", BPF_CGROUP_INET4_POST_BIND),
BPF_S_PROG_SEC("cgroup/post_bind6", BPF_CGROUP_INET6_POST_BIND),
 };
-- 
2.9.5