On Wed, Mar 3, 2021 at 5:38 PM Joe Stringer <joe@xxxxxxxxx> wrote: > > On Wed, Mar 3, 2021 at 12:29 PM Yonghong Song <yhs@xxxxxx> wrote: > > > > > > > > On 3/2/21 9:19 AM, Joe Stringer wrote: > > > Based on a brief read of the corresponding source code. > > > > > > Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx> > > > Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx> > > > Signed-off-by: Joe Stringer <joe@xxxxxxxxx> > > > > Acked-by: Yonghong Song <yhs@xxxxxx> > > > > > --- > > > include/uapi/linux/bpf.h | 14 +++++++++++--- > > > 1 file 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. > > > > FYI, Lorenz's BPF_PROG_TEST_RUN support for sk_lookup program > > requires data_in and data_out to be NULL. Not sure whether it is > > worthwhile to specially mention here or not. The patch has not > > been merged but close. > > > > https://lore.kernel.org/bpf/20210301101859.46045-1-lmb@xxxxxxxxxxxxxx/ > > Not sure how close either series is but I'm sure between Lorenz & I we > can figure out how to fix this up. If I need to respin the series and > Lorenz's one is in by then, I'll fix it up but it's not the end of the > world to send an extra dedicated patch for this. I sent this out: https://lore.kernel.org/bpf/20210410174549.816482-1-joe@xxxxxxxxx/T/#u