On Thu, Jun 25, 2020 at 5:13 PM Stanislav Fomichev <sdf@xxxxxxxxxx> wrote:
>
> Add auto-detection for the cgroup/sock_release programs.
>
> Signed-off-by: Stanislav Fomichev <sdf@xxxxxxxxxx>
> ---
Acked-by: Andrii Nakryiko <andriin@xxxxxx>
> tools/include/uapi/linux/bpf.h | 1 +
> tools/lib/bpf/libbpf.c | 2 ++
> 2 files changed, 3 insertions(+)
>
> diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
> index c65b374a5090..d7aea1d0167a 100644
> --- a/tools/include/uapi/linux/bpf.h
> +++ b/tools/include/uapi/linux/bpf.h
> @@ -226,6 +226,7 @@ enum bpf_attach_type {
> BPF_CGROUP_INET4_GETSOCKNAME,
> BPF_CGROUP_INET6_GETSOCKNAME,
> BPF_XDP_DEVMAP,
> + BPF_CGROUP_INET_SOCK_RELEASE,
> __MAX_BPF_ATTACH_TYPE
> };
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 7f01be2b88b8..acbab6d0672d 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -6670,6 +6670,8 @@ static const struct bpf_sec_def section_defs[] = {
> BPF_APROG_SEC("cgroup_skb/egress", BPF_PROG_TYPE_CGROUP_SKB,
> BPF_CGROUP_INET_EGRESS),
> BPF_APROG_COMPAT("cgroup/skb", BPF_PROG_TYPE_CGROUP_SKB),
> + BPF_EAPROG_SEC("cgroup/sock_release", BPF_PROG_TYPE_CGROUP_SOCK,
> + BPF_CGROUP_INET_SOCK_RELEASE),
> BPF_APROG_SEC("cgroup/sock", BPF_PROG_TYPE_CGROUP_SOCK,
might want to add another alias to match _release: "cgroup/sock_create"?
> BPF_CGROUP_INET_SOCK_CREATE),
> BPF_EAPROG_SEC("cgroup/post_bind4", BPF_PROG_TYPE_CGROUP_SOCK,
> --
> 2.27.0.111.gc72c7da667-goog
>
