On Mon, Feb 29, 2016 at 10:58 AM, Jiri Pirko <j...@resnulli.us> wrote: > Mon, Feb 29, 2016 at 07:40:53PM CET, john.fastab...@gmail.com wrote: >>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. > > Definitelly. cls_flower will use it in very near future. Making it > dependent on CONFIG_NET_CLS_U32 makes 0 sense to me.
Oh, why then do you have u32 in the struct name tc_cls_u32_offload? (Note that in the above I said "these" not "this", so I never only refer to tc_should_offload)