On Mon, Jun 12, 2023 at 10:23:04AM -0700, Stanislav Fomichev wrote: ... > +/** > + * bpf_devtx_cp_timestamp - Read TX timestamp of the packet. Callable > + * only from the devtx-complete hook. > + * @ctx: devtx context pointer. Hi Stan, one minor nit: documentation of the timestamp parameter should go here. > + * > + * Returns 0 on success or ``-errno`` on error. > + */ > +__bpf_kfunc int bpf_devtx_cp_timestamp(const struct devtx_frame *ctx, __u64 *timestamp) > +{ > + return -EOPNOTSUPP; > +} > + > __diag_pop(); ...