commit d60d81acc2c180e33244857e35ef60072573b000
author Jakub Sitnicki <jakub@cloudflare.com> Sun May 31 10:28:40 2020 +0200
committer Alexei Starovoitov <ast@kernel.org> Mon Jun 01 15:21:03 2020 -0700
tree 11247584ab1f2753c51c2a968a49c7933ff73c7b
parent 0c047ecbb7bab4c1d2136f5f04bb47a66a9a12b8

libbpf: Add support for bpf_link-based netns attachment

Add bpf_program__attach_nets(), which uses LINK_CREATE subcommand to create
an FD-based kernel bpf_link, for attach types tied to network namespace,
that is BPF_FLOW_DISSECTOR for the moment.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200531082846.2117903-7-jakub@cloudflare.com

tools/lib/bpf/libbpf.h

diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 8528a02..334437a 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -253,6 +253,8 @@ LIBBPF_API struct bpf_link *
 bpf_program__attach_lsm(struct bpf_program *prog);
 LIBBPF_API struct bpf_link *
 bpf_program__attach_cgroup(struct bpf_program *prog, int cgroup_fd);
+LIBBPF_API struct bpf_link *
+bpf_program__attach_netns(struct bpf_program *prog, int netns_fd);
 
 struct bpf_map;