On 16-02-27 08:28 PM, Cong Wang wrote: > On Fri, Feb 26, 2016 at 8:24 PM, John Fastabend > <john.fastab...@gmail.com> wrote: >> On 16-02-26 09:39 AM, Cong Wang wrote: >>> On Fri, Feb 26, 2016 at 7:53 AM, John Fastabend >>> <john.fastab...@gmail.com> wrote: >>>> diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h >>>> index 2121df5..e64d20b 100644 >>>> --- a/include/net/pkt_cls.h >>>> +++ b/include/net/pkt_cls.h >>>> @@ -392,4 +392,9 @@ struct tc_cls_u32_offload { >>>> }; >>>> }; >>>> >>>> +static inline bool tc_should_offload(struct net_device *dev) >>>> +{ >>>> + return dev->netdev_ops->ndo_setup_tc; >>>> +} >>>> + >>> >>> These should be protected by CONFIG_NET_CLS_U32, no? >>> >> >> Its not necessary it is a completely general function and I only >> lifted it out of cls_u32 so that the cls_flower classifier could >> also use it. >> >> I don't see the need off-hand to have it wrapped in an ORd ifdef >> statement where its (CONFIG_NET_CLS_U32 | CONFIG_NET_CLS_X ...). >> Any particular reason you were thnking it should be wrapped in ifdefs? >> > > Not a big deal. > > I just feel these don't need to compile when I have CONFIG_NET_CLS_U32=n. > > Thanks. >
Well because this is 'static inline' gcc should just remove it if it is not used. Assuming non-ancient gcc and normal compile flags, e.g. you are not including -fkeep-inline-functions or something. So just to keep it readable I would prefer to just leave it as is. Thanks, John