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From: Jiri Pirko <jiri@resnulli.us>
To: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David Ahern <dsahern@gmail.com>,
	netdev@vger.kernel.org, davem@davemloft.net,
	xiyou.wangcong@gmail.com, mlxsw@mellanox.com, andrew@lunn.ch,
	vivien.didelot@savoirfairelinux.com, f.fainelli@gmail.com,
	michael.chan@broadcom.com, ganeshgr@chelsio.com,
	saeedm@mellanox.com, matanb@mellanox.com, leonro@mellanox.com,
	idosch@mellanox.com, jakub.kicinski@netronome.com,
	simon.horman@netronome.com, pieter.jansenvanvuuren@netronome.com,
	john.hurley@netronome.com, alexander.h.duyck@intel.com,
	ogerlitz@mellanox.com, john.fastabend@gmail.com,
	daniel@iogearbox.net
Subject: Re: [patch net-next v6 00/11] net: sched: allow qdiscs to share filter block instances
Date: Sat, 6 Jan 2018 21:38:54 +0100	[thread overview]
Message-ID: <20180106203854.GE2099@nanopsycho> (raw)
In-Reply-To: <571e2252-61e4-11b7-edc1-f82cd7b69cc0@mojatatu.com>

Sat, Jan 06, 2018 at 07:16:10PM CET, jhs@mojatatu.com wrote:
>On 18-01-06 12:41 PM, David Ahern wrote:
>> On 1/6/18 1:07 AM, Jiri Pirko wrote:
>> > Sat, Jan 06, 2018 at 04:57:21AM CET, dsahern@gmail.com wrote:
>> > > On 1/5/18 4:09 PM, Jiri Pirko wrote:
>> > > > From: Jiri Pirko <jiri@mellanox.com>
>> > > > 
>
>> > > 
>> > > $ tc filter show block 22
>> > > $ echo $?
>> > > 0
>> > > $  tc qdisc show | grep block
>> > > qdisc ingress ffff: dev eth2 parent ffff:fff1 block 42
>> > 
>> > Yeah, I will try to fix this. The thing is, this is not error by kernel
>> > but by the userspace. Kernel is perfectly ok with invalid device or
>> > block index, it just does not dump anything and I would leave it like
>> > that. I have to somehow check the validity of block_index in userspace.
>> > Not sure how now.
>> 
>> Ok. I saw a response about idr_alloc_ext.
>> 
>> Here's another one: adding a filter to an unknown block id:
>> 
>> $ tc filter add block 66 ingress protocol ip pref 1 flower dst_ip
>
>
>BTW, above syntax looks redundant because of the ingress parent
>specification. It is possible iproute2/tc is just ignoring it right now

I'm sure that is just a typo on DaveA's side.


>and the parent is not being used.
>i.e Once the block is bound to ingress (aka parent ffff:) via:
>qdisc ingress ffff: dev eth2 parent ffff:fff1 block 42
>then
>it doesnt make sense to specify a parent again because
>it should be possible to bind that block to many parent locations
>eg clsact ingress of dev x and clsact egress of dev y.
>
>what am i missing?
>
>cheers,
>jamal

  reply	other threads:[~2018-01-06 20:38 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-05 23:09 [patch net-next v6 00/11] net: sched: allow qdiscs to share filter block instances Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 01/11] net: sched: introduce support for multiple filter chain pointers registration Jiri Pirko
2018-01-06 17:11   ` Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 02/11] net: sched: avoid usage of tp->q in tcf_classify Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 03/11] net: sched: introduce block mechanism to handle netif_keep_dst calls Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 04/11] net: sched: remove classid and q fields from tcf_proto Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 05/11] net: sched: keep track of offloaded filters and check tc offload feature Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 06/11] net: sched: use block index as a handle instead of qdisc when block is shared Jiri Pirko
2018-01-06 20:43   ` Jiri Pirko
2018-01-07 13:11     ` Jamal Hadi Salim
2018-01-07 13:46       ` Jiri Pirko
2018-01-07 14:28         ` Jamal Hadi Salim
2018-01-07 14:51           ` Jamal Hadi Salim
2018-01-05 23:09 ` [patch net-next v6 07/11] net: sched: allow ingress and clsact qdiscs to share filter blocks Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 08/11] mlxsw: spectrum_acl: Reshuffle code around mlxsw_sp_acl_ruleset_create/destroy Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 09/11] mlxsw: spectrum_acl: Don't store netdev and ingress for ruleset unbind Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 10/11] mlxsw: spectrum_acl: Implement TC block sharing Jiri Pirko
2018-01-05 23:09 ` [patch net-next v6 11/11] mlxsw: spectrum_acl: Pass mlxsw_sp_port down to ruleset bind/unbind ops Jiri Pirko
2018-01-05 23:12 ` [iproute2 net-next 1/2] tc: implement filter block sharing to ingress and clsact qdiscs Jiri Pirko
2018-01-05 23:12 ` [iproute2 net-next 2/2] tc: introduce support for block-handle for filter operations Jiri Pirko
2018-01-06  3:57 ` [patch net-next v6 00/11] net: sched: allow qdiscs to share filter block instances David Ahern
2018-01-06  8:07   ` Jiri Pirko
2018-01-06  9:48     ` Jiri Pirko
2018-01-06 18:02       ` Jamal Hadi Salim
2018-01-06 18:31         ` Jamal Hadi Salim
2018-01-06 19:29         ` David Ahern
2018-01-06 17:41     ` David Ahern
2018-01-06 18:16       ` Jamal Hadi Salim
2018-01-06 20:38         ` Jiri Pirko [this message]
2018-01-06 20:37       ` Jiri Pirko
2018-01-08 15:23 ` Marcelo Ricardo Leitner
2018-01-08 15:42   ` Jiri Pirko
2018-01-08 17:20     ` Marcelo Ricardo Leitner

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