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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-12-27 18:39:09 -0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2017-12-31 16:12:23 +0100 |
| commit | 675fc275a3a2d905535207237402c6d8dcb5fa4b (patch) | |
| tree | b1c1ae477626ab0a2695249713b5a5941f25042f /kernel/bpf/syscall.c | |
| parent | cdab6ba8668d68f031bfd5d237b4586ec4f8cd88 (diff) | |
| download | lwn-675fc275a3a2d905535207237402c6d8dcb5fa4b.tar.gz lwn-675fc275a3a2d905535207237402c6d8dcb5fa4b.zip | |
bpf: offload: report device information for offloaded programs
Report to the user ifindex and namespace information of offloaded
programs. If device has disappeared return -ENODEV. Specify the
namespace using dev/inode combination.
CC: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index e02dafa6f402..ebf0fb23e237 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -1707,6 +1707,12 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog, return -EFAULT; } + if (bpf_prog_is_dev_bound(prog->aux)) { + err = bpf_prog_offload_info_fill(&info, prog); + if (err) + return err; + } + done: if (copy_to_user(uinfo, &info, info_len) || put_user(info_len, &uattr->info.info_len)) |