From: Jiri Pirko <jiri@resnulli.us>
To: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net,
xiyou.wangcong@gmail.com, dsa@cumulusnetworks.com,
edumazet@google.com, stephen@networkplumber.org,
daniel@iogearbox.net, alexander.h.duyck@intel.com,
simon.horman@netronome.com, mlxsw@mellanox.com
Subject: Re: [patch net-next v2 02/10] net: sched: introduce tcf block infractructure
Date: Tue, 16 May 2017 15:10:34 +0200 [thread overview]
Message-ID: <20170516131034.GM1939@nanopsycho.orion> (raw)
In-Reply-To: <b0ec3fa5-8746-0c1f-27e8-cb8960c7d01f@mojatatu.com>
Tue, May 16, 2017 at 02:52:31PM CEST, jhs@mojatatu.com wrote:
>On 17-05-16 08:23 AM, Jiri Pirko wrote:
>> Tue, May 16, 2017 at 02:07:25PM CEST, jhs@mojatatu.com wrote:
>> >
>> > Jiri,
>> >
>> > I am sorry i am tied up elsewhere but will respond in chunks.
>> >
>> > On 17-05-15 04:38 AM, Jiri Pirko wrote:
>> >
>> >
>> > > static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)
>> > > {
>> > > struct qdisc_skb_cb *qcb;
>> >
>> >
>> > > +int tcf_block_get(struct tcf_block **p_block,
>> > > + struct tcf_proto __rcu **p_filter_chain)
>> > > +{
>> > > + struct tcf_block *block = kzalloc(sizeof(*block), GFP_KERNEL);
>> > > +
>> > > + if (!block)
>> > > + return -ENOMEM;
>> > > + block->p_filter_chain = p_filter_chain;
>> > > + *p_block = block;
>> > > + return 0;
>> > > +}
>> >
>> > tcf_block_get() sounds odd. tcf_block_create()?
>>
>> I used get/put because I plan to allow sharing of block between qdiscs
>> in future. Then there will be a refcount.
>>
>
>Ok, I guess I should read further into the patches..
>
>
>> > > -static struct tcf_proto __rcu **atm_tc_find_tcf(struct Qdisc *sch,
>> > > - unsigned long cl)
>> > > +static struct tcf_block *atm_tc_tcf_block(struct Qdisc *sch, unsigned long cl)
>> >
>> > Any reason you removed the verb "find" from all these calls?
>> > eg above: better to have atm_tc_tcf_block_find()?
>>
>> Yeah, I was thinking about it. The thing is, the callback does not do
>> any lookup so "find" is not accurate. Also without "find" this is
>> shorter so I decided for this naming variant.
>>
>
>They do select some chain - at least that was the intent.
>Are you not planning to use this to pick a chain in a block?
No. I just need to use this to get the whole block of chains.
next prev parent reply other threads:[~2017-05-16 13:10 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-15 8:38 [patch net-next v2 00/10] net: sched: introduce multichain support for filters Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 01/10] net: sched: move tc_classify function to cls_api.c Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 02/10] net: sched: introduce tcf block infractructure Jiri Pirko
2017-05-16 12:07 ` Jamal Hadi Salim
2017-05-16 12:23 ` Jiri Pirko
2017-05-16 12:52 ` Jamal Hadi Salim
2017-05-16 13:10 ` Jiri Pirko [this message]
2017-05-15 8:38 ` [patch net-next v2 03/10] net: sched: rename tcf_destroy_chain helper Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 04/10] net: sched: replace nprio by a bool to make the function more readable Jiri Pirko
2017-05-16 12:09 ` Jamal Hadi Salim
2017-05-16 12:25 ` Jiri Pirko
2017-05-16 12:56 ` Jamal Hadi Salim
2017-05-15 8:38 ` [patch net-next v2 05/10] net: sched: move TC_H_MAJ macro call into tcf_auto_prio Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 06/10] net: sched: introduce helpers to work with filter chains Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 07/10] net: sched: push chain dump to a separate function Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 08/10] net: sched: introduce multichain support for filters Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 09/10] net: sched: push tp down to action init Jiri Pirko
2017-05-15 8:38 ` [patch net-next v2 10/10] net: sched: add termination action to allow goto chain Jiri Pirko
2017-05-15 20:02 ` Daniel Borkmann
2017-05-16 4:43 ` Jiri Pirko
2017-05-16 7:59 ` Daniel Borkmann
2017-05-16 12:46 ` Jamal Hadi Salim
2017-05-15 8:41 ` [patch iproute2 v2 1/3] tc_filter: add support for chain index Jiri Pirko
2017-05-15 8:41 ` [patch iproute2 v2 2/3] tc: actions: add helpers to parse and print control actions Jiri Pirko
2017-05-15 8:41 ` [patch iproute2 v2 3/3] tc/actions: introduce support for goto chain action Jiri Pirko
2017-05-16 16:20 ` [patch net-next v2 00/10] net: sched: introduce multichain support for filters David Miller
2017-05-16 16:23 ` Jiri Pirko
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