diff options
| -rw-r--r-- | include/uapi/linux/bpf.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index a8f2964ec885..a6cd6650e23d 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -306,14 +306,22 @@ union bpf_iter_link_info { * * BPF_PROG_TEST_RUN * Description - * Run an eBPF program a number of times against a provided - * program context and return the modified program context and - * duration of the test run. + * Run the eBPF program associated with the *prog_fd* a *repeat* + * number of times against a provided program context *ctx_in* and + * data *data_in*, and return the modified program context + * *ctx_out*, *data_out* (for example, packet data), result of the + * execution *retval*, and *duration* of the test run. * * Return * Returns zero on success. On error, -1 is returned and *errno* * is set appropriately. * + * **ENOSPC** + * Either *data_size_out* or *ctx_size_out* is too small. + * **ENOTSUPP** + * This command is not supported by the program type of + * the program referred to by *prog_fd*. + * * BPF_PROG_GET_NEXT_ID * Description * Fetch the next eBPF program currently loaded into the kernel. |