diff options
author | Daniel Borkmann <daniel@iogearbox.net> | 2023-10-24 23:49:00 +0200 |
---|---|---|
committer | Martin KaFai Lau <martin.lau@kernel.org> | 2023-10-24 16:06:58 -0700 |
commit | 05c31b4ab20527c4d1695130aaecc54ef59a0e54 (patch) | |
tree | 9a4322a3c4028b65257b7798a5409b8e8bbecfde /tools/lib/bpf/libbpf.h | |
parent | 5c1b994de4be8a27afa3281be2ff58b38e8bc50c (diff) | |
download | linux-05c31b4ab20527c4d1695130aaecc54ef59a0e54.tar.gz linux-05c31b4ab20527c4d1695130aaecc54ef59a0e54.tar.bz2 linux-05c31b4ab20527c4d1695130aaecc54ef59a0e54.zip |
libbpf: Add link-based API for netkit
This adds bpf_program__attach_netkit() API to libbpf. Overall it is very
similar to tcx. The API looks as following:
LIBBPF_API struct bpf_link *
bpf_program__attach_netkit(const struct bpf_program *prog, int ifindex,
const struct bpf_netkit_opts *opts);
The struct bpf_netkit_opts is done in similar way as struct bpf_tcx_opts
for supporting bpf_mprog control parameters. The attach location for the
primary and peer device is derived from the program section "netkit/primary"
and "netkit/peer", respectively.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20231024214904.29825-4-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'tools/lib/bpf/libbpf.h')
-rw-r--r-- | tools/lib/bpf/libbpf.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 475378438545..6cd9c501624f 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -800,6 +800,21 @@ LIBBPF_API struct bpf_link * bpf_program__attach_tcx(const struct bpf_program *prog, int ifindex, const struct bpf_tcx_opts *opts); +struct bpf_netkit_opts { + /* size of this struct, for forward/backward compatibility */ + size_t sz; + __u32 flags; + __u32 relative_fd; + __u32 relative_id; + __u64 expected_revision; + size_t :0; +}; +#define bpf_netkit_opts__last_field expected_revision + +LIBBPF_API struct bpf_link * +bpf_program__attach_netkit(const struct bpf_program *prog, int ifindex, + const struct bpf_netkit_opts *opts); + struct bpf_map; LIBBPF_API struct bpf_link *bpf_map__attach_struct_ops(const struct bpf_map *map); |