diff options
| author | Paul Chaignon <paul.chaignon@gmail.com> | 2023-09-01 23:55:15 +0200 |
|---|---|---|
| committer | Aleksandr Nogikh <nogikh@google.com> | 2023-09-11 09:55:16 +0000 |
| commit | ece90fe7b89e16b5099149e5ee99e943ef83f50c (patch) | |
| tree | f5f2fc3acf24a67b1c08c31a0247e9d3bb9441c6 /sys/linux/bpf.txt | |
| parent | 1742950b2ba1f046805cffc72f3b2d9989a0e012 (diff) | |
sys/linux: support multi-progs for BPF_PROG_ATTACH
Commit [1] upstream, and subsequent patches, extended the
BPF_PROG_ATTACH command to support a new multi-prog object in the BPF
subsystem. In particular, programs can now be attached relative to
another object (relative_obj), a BPF program or link, referenced via
either an fd or a BPF ID (id_or_fd). In addition, a new concept of BPF
revision number was introduced and a revision number can be passed, to
be checked at attach time. Finally, the attachment target can now also
be an ifindex.
1 - 053c8e1f235dc ("bpf: Add generic attach/detach/query API for multi-progs")
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Diffstat (limited to 'sys/linux/bpf.txt')
| -rw-r--r-- | sys/linux/bpf.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/linux/bpf.txt b/sys/linux/bpf.txt index 4eb63170e..cafdb65fc 100644 --- a/sys/linux/bpf.txt +++ b/sys/linux/bpf.txt @@ -565,14 +565,24 @@ bpf_obj_get_o_path { bpf_attach_targets [ cgroup fd_cgroup[opt] map fd_bpf_map[opt] + ifindex ifindex +] + +id_or_fd [ + link_fd fd_bpf_link + prog_fd fd_bpf_prog + link_id bpf_link_id + prog_id bpf_prog_id ] bpf_attach_arg { - target_fd bpf_attach_targets + target bpf_attach_targets attach_bpf_fd fd_bpf_prog type flags[bpf_attach_type, int32] flags flags[bpf_attach_flags, int32] replace_bpf_fd fd_bpf_prog + relative_obj id_or_fd + exp_revision int64 } bpf_detach_arg { |