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Message-ID: <ca8d1a59-eb28-5a10-f261-a1b97e4156fc@iogearbox.net>
Date: Mon, 9 Oct 2023 10:11:04 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: Cong Wang <xiyou.wangcong@...il.com>
Cc: kuba@...nel.org, netdev@...r.kernel.org, bpf@...r.kernel.org,
jhs@...atatu.com, victor@...atatu.com, martin.lau@...ux.dev, dxu@...uu.xyz
Subject: Re: [PATCH net-next 1/2] net, tc: Make tc-related drop reason more
flexible
On 10/8/23 7:27 PM, Cong Wang wrote:
> On Fri, Oct 06, 2023 at 09:09:55PM +0200, Daniel Borkmann wrote:
>> diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
>> index c7318c73cfd6..90774cb2ac03 100644
>> --- a/include/net/sch_generic.h
>> +++ b/include/net/sch_generic.h
>> @@ -324,7 +324,6 @@ struct Qdisc_ops {
>> struct module *owner;
>> };
>>
>> -
>> struct tcf_result {
>> union {
>> struct {
>> @@ -332,8 +331,8 @@ struct tcf_result {
>> u32 classid;
>> };
>> const struct tcf_proto *goto_tp;
>> -
>> };
>> + enum skb_drop_reason drop_reason;
>> };
>>
>> struct tcf_chain;
>> @@ -667,6 +666,12 @@ static inline int tc_classid_to_hwtc(struct net_device *dev, u32 classid)
>> return (hwtc < netdev_get_num_tc(dev)) ? hwtc : -EINVAL;
>> }
>>
>> +static inline void tc_set_drop_reason(struct tcf_result *res,
>> + enum skb_drop_reason reason)
>> +{
>> + res->drop_reason = reason;
>> +}
>> +
>
> Since this helper is for TC filters and actions, include/net/pkt_cls.h
> is a better place for it?
Makes sense, will move it in a v2 (and also rename into tcf_set_drop_reason).
Thanks,
Daniel
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