On 6/28/19 8:13 PM, linmiaohe wrote: > You're right. Fib rules code would set FLOWI_FLAG_SKIP_NH_OIF flag. But I set > it here for distinguish with the flags & XT_RPFILTER_LOOSE branch. Without > this, they do the same work and maybe should be combined. I don't want to > do that as that makes code confusing. > Is this code snipet below ok ? If so, I would delete this flag setting. > > } else if (netif_is_l3_master(dev) || netif_is_l3_slave(dev)) { > fl6.flowi6_oif = dev->ifindex; > } else if ((flags & XT_RPFILTER_LOOSE) == 0) > fl6.flowi6_oif = dev->ifindex; that looks fine to me, but it is up to Pablo.