diff options
Diffstat (limited to 'include/uapi/linux/bpf.h')
| -rw-r--r-- | include/uapi/linux/bpf.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index 572eb2d42768..c8e1eeee2c5f 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -374,8 +374,11 @@ union bpf_attr { struct { /* anonymous struct used by BPF_PROG_TEST_RUN command */ __u32 prog_fd; __u32 retval; - __u32 data_size_in; - __u32 data_size_out; + __u32 data_size_in; /* input: len of data_in */ + __u32 data_size_out; /* input/output: len of data_out + * returns ENOSPC if data_out + * is too small. + */ __aligned_u64 data_in; __aligned_u64 data_out; __u32 repeat; |