mirror/libbpf
1
0
Fork 0
mirror of https://github.com/netdata/libbpf.git synced 2026-03-30 05:09:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

libbpf: Add link-based API for tcx

Browse Source 
Implement tcx BPF link support for libbpf.

The bpf_program__attach_fd() API has been refactored slightly in order to pass
bpf_link_create_opts pointer as input.

A new bpf_program__attach_tcx() has been added on top of this which allows for
passing all relevant data via extensible struct bpf_tcx_opts.

The program sections tcx/ingress and tcx/egress correspond to the hook locations
for tc ingress and egress, respectively.

For concrete usage examples, see the extensive selftests that have been
developed as part of this series.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230719140858.13224-5-daniel@iogearbox.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Daniel Borkmann
2023-07-19 16:08:54 +02:00
committed by Andrii Nakryiko
parent bb5d7c1be8
commit 0fadd4ba39
5 changed files with 88 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/libbpf.map
View File

@@ -397,4 +397,5 @@ LIBBPF_1.3.0 {
bpf_obj_pin_opts;
bpf_prog_detach_opts;
bpf_program__attach_netfilter;
bpf_program__attach_tcx;
} LIBBPF_1.2.0;