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From: Jakub Kicinski <kubakici@wp.pl>
To: Jiri Pirko <jiri@resnulli.us>
Cc: "Nambiar, Amritha" <amritha.nambiar@intel.com>,
	Alexander Duyck <alexander.duyck@gmail.com>,
	David Miller <davem@davemloft.net>,
	Netdev <netdev@vger.kernel.org>,
	Jamal Hadi Salim <jhs@mojatatu.com>,
	Cong Wang <xiyou.wangcong@gmail.com>,
	mlxsw@mellanox.com, Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@savoirfairelinux.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Michael Chan <michael.chan@broadcom.com>,
	Ganesh Goudar <ganeshgr@chelsio.com>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	Saeed Mahameed <saeedm@mellanox.com>,
	Matan Barak <matanb@mellanox.com>,
	Leon Romanovsky <leonro@mellanox.com>,
	idosch@mellanox.com, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Simon Horman <simon.horman@netronome.com>,
Subject: Re: [patch net-next v2 00/20] net: sched: convert cls ndo_setup_tc offload calls to per-block callbacks
Date: Sat, 28 Oct 2017 10:17:24 -0700	[thread overview]
Message-ID: <20171028101724.1e4e1374@cakuba.netronome.com> (raw)
In-Reply-To: <20171028084351.GF1980@nanopsycho.orion>

On Sat, 28 Oct 2017 10:43:51 +0200, Jiri Pirko wrote:
> Sat, Oct 28, 2017 at 09:53:21AM CEST, kubakici@wp.pl wrote:
> >On Sat, 28 Oct 2017 09:20:31 +0200, Jiri Pirko wrote:  
> >> Sat, Oct 28, 2017 at 02:52:00AM CEST, kubakici@wp.pl wrote:  
> >> >On Fri, 27 Oct 2017 09:27:30 +0200, Jiri Pirko wrote:    
> >> >> Yes, it is the same.    
> >> >
> >> >FWIW I also see what Amritha and Alex are describing here, for cls_bpf
> >> >there are no DESTROYs coming on rmmod or qdisc del.  There is a DESTROY
> >> >if I manually remove the filter (or if an ADD with skip_sw fails).    
> >> 
> >> Is this different to the original behaviour? Just for cls_bpf?  
> >
> >For cls_bpf the callbacks used to be 100% symmetrical, i.e. destroy
> >would always be guaranteed if add succeeded (regardless of state of
> >skip_* flags).  
> 
> Hmm. It still should be symmetrical. Looking at following path:
> cls_bpf_destroy->
>    __cls_bpf_delete->
>       cls_bpf_stop_offload->
>          cls_bpf_offload_cmd(tp, prog, TC_CLSBPF_DESTROY)
> 
> I don't see how any tp could be missed. Could you please check this
> callpath is utilized during your action (rmmod or qdisc del)?

The same path seems to be utilized but the unbind comes before the
filters are destroyed.

  reply	other threads:[~2017-10-28 17:17 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-19 13:50 [patch net-next v2 00/20] net: sched: convert cls ndo_setup_tc offload calls to per-block callbacks Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 01/20] net: sched: add block bind/unbind notif. and extended block_get/put Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 02/20] net: sched: use extended variants of block_get/put in ingress and clsact qdiscs Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 03/20] net: sched: introduce per-block callbacks Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 04/20] net: sched: use tc_setup_cb_call to call " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 05/20] net: sched: cls_matchall: call block callbacks for offload Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 06/20] net: sched: cls_u32: swap u32_remove_hw_knode and u32_remove_hw_hnode Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 07/20] net: sched: cls_u32: call block callbacks for offload Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 08/20] net: sched: cls_bpf: " Jiri Pirko
2017-11-01  0:44   ` Jakub Kicinski
2017-11-01  8:33     ` Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 09/20] mlxsw: spectrum: Convert ndo_setup_tc offloads to block callbacks Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 10/20] mlx5e: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 11/20] bnxt: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 12/20] cxgb4: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 13/20] ixgbe: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 14/20] mlx5e_rep: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 15/20] nfp: flower: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 16/20] nfp: bpf: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 17/20] dsa: " Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 18/20] net: sched: avoid ndo_setup_tc calls for TC_SETUP_CLS* Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 19/20] net: sched: remove unused classid field from tc_cls_common_offload Jiri Pirko
2017-10-19 13:50 ` [patch net-next v2 20/20] net: sched: remove unused is_classid_clsact_ingress/egress helpers Jiri Pirko
2017-10-21  2:04 ` [patch net-next v2 00/20] net: sched: convert cls ndo_setup_tc offload calls to per-block callbacks David Miller
2017-10-24 16:01   ` Alexander Duyck
2017-10-24 16:24     ` Alexander Duyck
     [not found]       ` <CAJ3xEMgdRBEuv0hb_G43zJXXRy=PWgY2tdHuwDN0Opc2NVF35g@mail.gmail.com>
2017-10-24 17:03         ` Or Gerlitz
2017-10-24 17:22         ` Nambiar, Amritha
2017-10-25  8:36       ` Jiri Pirko
2017-10-25 12:15     ` Jiri Pirko
     [not found]       ` <aaa66a3d-766b-f758-692a-eba7f5a8702f@mellanox.com>
2017-10-25 13:42         ` Jiri Pirko
2017-10-25 13:48           ` Or Gerlitz
2017-10-26 20:24       ` Nambiar, Amritha
2017-10-27  7:27         ` Jiri Pirko
2017-10-28  0:52           ` Jakub Kicinski
2017-10-28  7:20             ` Jiri Pirko
2017-10-28  7:53               ` Jakub Kicinski
2017-10-28  8:43                 ` Jiri Pirko
2017-10-28 17:17                   ` Jakub Kicinski [this message]
2017-10-29  7:26                     ` Jiri Pirko
2017-10-31 10:46                       ` Jiri Pirko

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