DPDK patches and discussions
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From: Nithin Dabilpuram <nithind1988@gmail.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: dev@dpdk.org, ferruh.yigit@intel.com, david.marchand@redhat.com,
	bruce.richardson@intel.com, olivier.matz@6wind.com,
	andrew.rybchenko@oktetlabs.ru, akhil.goyal@nxp.com,
	Pavan Nikhilesh <pbhagavatula@marvell.com>
Subject: Re: [dpdk-dev] [PATCH v2 04/15] node: switch IPv4 metadata to dynamic mbuf field
Date: Tue, 27 Oct 2020 21:03:53 +0530
Message-ID: <X5g94Zf0IqJsNwKg@gmail.com> (raw)
In-Reply-To: <3912863.aCUjeiqxCm@thomas>

On Tue, Oct 27, 2020 at 03:33:35PM +0100, Thomas Monjalon wrote:
> 27/10/2020 15:23, Nithin Dabilpuram:
> > On Mon, Oct 26, 2020 at 11:20:02PM +0100, Thomas Monjalon wrote:
> > > The node_mbuf_priv1 was stored in the deprecated mbuf field udata64.
> > > It is moved to a dynamic field in order to allow removal of udata64.
> > > 
> > > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> > > ---
> > > --- a/lib/librte_node/ip4_lookup.c
> > > +++ b/lib/librte_node/ip4_lookup.c
> > > +int node_mbuf_priv1_dynfield_offset;
> > > +
> > 
> > This change doesn't work in secondary as it is process local memory.
> 
> Yes that's an issue.
> Can we copy the value when starting a secondary process?

Currently there is no call back which will be called only in secondary.

Can you move this value to node->ctx 8'th byte offset ? Node context is of size
16 bytes and should be sufficient.
Currently first 8 B of node->ctx is used to store that socket's lpm pointer.

> 
> [...]
> > >  static __rte_always_inline struct node_mbuf_priv1 *
> > >  node_mbuf_priv1(struct rte_mbuf *m)
> > >  {
> > > -	return (struct node_mbuf_priv1 *)&m->udata64;
> > > +	return RTE_MBUF_DYNFIELD(m,
> > > +		node_mbuf_priv1_dynfield_offset, struct node_mbuf_priv1 *);
> > 
> > There is a performance regression of ~1.4% in our platform (Octeontx2) because
> > of this	change.
> 
> Yes that's the price to pay for a more extensible DPDK.
> It is much cheaper than not having room for new features,
> or having features conflicting on the same mbuf field like here.
> 
> 

  reply	other threads:[~2020-10-27 15:34 UTC|newest]

Thread overview: 178+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-26  5:20 [dpdk-dev] [PATCH 00/15] remove mbuf userdata Thomas Monjalon
2020-10-26  5:20 ` [dpdk-dev] [PATCH 01/15] examples: enclose DPDK includes with angle brackets Thomas Monjalon
2020-10-26 14:23   ` Andrew Rybchenko
2020-10-27 11:32   ` Bruce Richardson
2020-10-26  5:20 ` [dpdk-dev] [PATCH 02/15] kni: move header file from EAL Thomas Monjalon
2020-10-26 14:25   ` Andrew Rybchenko
2020-10-27 11:33   ` Bruce Richardson
2020-10-26  5:20 ` [dpdk-dev] [PATCH 03/15] mbuf: fix typo in dynamic field convention note Thomas Monjalon
2020-10-26 14:26   ` Andrew Rybchenko
2020-10-26  5:20 ` [dpdk-dev] [PATCH 04/15] node: switch IPv4 metadata to dynamic mbuf field Thomas Monjalon
2020-10-26 10:40   ` David Marchand
2020-10-26 14:29     ` Thomas Monjalon
2020-10-26 14:34       ` Andrew Rybchenko
2020-10-26 14:39         ` Thomas Monjalon
2020-10-26  5:20 ` [dpdk-dev] [PATCH 05/15] security: switch " Thomas Monjalon
2020-10-26 10:41   ` David Marchand
2020-10-26 14:30     ` Thomas Monjalon
2020-10-26 17:58     ` Akhil Goyal
2020-10-26 15:06   ` Andrew Rybchenko
2020-10-26 16:49     ` Thomas Monjalon
2020-10-26 19:03       ` Thomas Monjalon
2020-10-26  5:20 ` [dpdk-dev] [PATCH 06/15] event/sw: switch test counter " Thomas Monjalon
2020-10-26 15:09   ` Andrew Rybchenko
2020-10-26  5:20 ` [dpdk-dev] [PATCH 07/15] net/ark: ignore user data Thomas Monjalon
2020-10-26  5:20 ` [dpdk-dev] [PATCH 08/15] net/bnxt: switch CFA code to dynamic mbuf field Thomas Monjalon
2020-10-26 10:42   ` David Marchand
2020-10-26 14:32     ` Thomas Monjalon
2020-10-26  5:20 ` [dpdk-dev] [PATCH 09/15] net/vmxnet3: switch MSS hint " Thomas Monjalon
2020-10-26 15:14   ` Andrew Rybchenko
2020-10-26 15:21     ` Andrew Rybchenko
2020-10-26 16:50       ` Thomas Monjalon
2020-10-26 18:13         ` Thomas Monjalon
2020-10-26  5:21 ` [dpdk-dev] [PATCH 10/15] test/distributor: switch sequence " Thomas Monjalon
2020-10-26  9:39   ` Lukasz Wojciechowski
2020-10-26  5:21 ` [dpdk-dev] [PATCH 11/15] test/graph: switch user data " Thomas Monjalon
2020-10-26  5:21 ` [dpdk-dev] [PATCH 12/15] app/eventdev: switch flow ID " Thomas Monjalon
2020-10-26  5:21 ` [dpdk-dev] [PATCH 13/15] examples/bbdev: switch " Thomas Monjalon
2020-10-26  5:21 ` [dpdk-dev] [PATCH 14/15] examples/rxtx_callbacks: " Thomas Monjalon
2020-10-26 10:43   ` David Marchand
2020-10-26 14:33     ` Thomas Monjalon
2020-10-26 14:53       ` Stephen Hemminger
2020-10-26 16:32         ` Thomas Monjalon
2020-10-26  5:21 ` [dpdk-dev] [PATCH 15/15] mbuf: remove userdata field Thomas Monjalon
2020-10-26 22:19 ` [dpdk-dev] [PATCH v2 00/15] remove mbuf userdata Thomas Monjalon
2020-10-26 22:19   ` [dpdk-dev] [PATCH v2 01/15] examples: enclose DPDK includes with angle brackets Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 02/15] kni: move header file from EAL Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 03/15] mbuf: fix typo in dynamic field convention note Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 04/15] node: switch IPv4 metadata to dynamic mbuf field Thomas Monjalon
2020-10-27  9:32     ` Olivier Matz
2020-10-27  9:34       ` Thomas Monjalon
2020-10-27 14:23     ` Nithin Dabilpuram
2020-10-27 14:33       ` Thomas Monjalon
2020-10-27 15:33         ` Nithin Dabilpuram [this message]
2020-10-27 15:57           ` Thomas Monjalon
2020-10-27 16:16             ` Nithin Dabilpuram
2020-10-27 16:26               ` Thomas Monjalon
2020-10-28  9:30                 ` [dpdk-dev] [PATCH v4] " Nithin Dabilpuram
2020-10-28 10:08                   ` Thomas Monjalon
2020-10-28 10:24                     ` Van Haaren, Harry
2020-10-28 10:42                       ` Nithin Dabilpuram
2020-10-28 10:43                         ` Thomas Monjalon
2020-10-28 18:07                       ` Thomas Monjalon
2020-10-29 10:17                         ` Van Haaren, Harry
2020-10-28 10:33                     ` Nithin Dabilpuram
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 05/15] security: switch " Thomas Monjalon
2020-10-27  2:01     ` Wang, Haiyue
2020-10-27  8:52       ` Thomas Monjalon
2020-10-27 13:12         ` Wang, Haiyue
2020-10-27 10:05     ` Olivier Matz
2020-10-27 16:10       ` Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 06/15] event/sw: switch test counter " Thomas Monjalon
2020-10-27 10:15     ` Olivier Matz
2020-10-27 16:14       ` Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 07/15] net/ark: ignore user data Thomas Monjalon
2020-10-27 15:32     ` Ed Czeck
2020-10-27 15:55       ` Thomas Monjalon
2020-10-27 16:05         ` Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 08/15] net/bnxt: switch CFA code to dynamic mbuf field Thomas Monjalon
2020-10-27  4:44     ` Ajit Khaparde
2020-10-27 10:31     ` Olivier Matz
2020-10-27 16:22       ` Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 09/15] net/vmxnet3: switch MSS hint " Thomas Monjalon
2020-10-27 10:45     ` Olivier Matz
2020-10-27 16:25       ` Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 10/15] test/distributor: switch sequence " Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 11/15] test/graph: switch user data " Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 12/15] app/eventdev: switch flow ID " Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 13/15] examples/bbdev: switch " Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 14/15] examples/rxtx_callbacks: " Thomas Monjalon
2020-10-26 22:20   ` [dpdk-dev] [PATCH v2 15/15] mbuf: remove userdata field Thomas Monjalon
2020-10-27 10:53     ` Olivier Matz
2020-10-27 21:01 ` [dpdk-dev] [PATCH v3 00/15] remove mbuf userdata Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 01/15] examples: enclose DPDK includes with angle brackets Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 02/15] kni: move header file from EAL Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 03/15] mbuf: fix typo in dynamic field convention note Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 04/15] node: switch IPv4 metadata to dynamic mbuf field Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 05/15] security: switch " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 06/15] event/sw: switch test counter " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 07/15] net/ark: switch user data " Thomas Monjalon
2020-10-27 22:30     ` Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 08/15] net/bnxt: switch CFA code " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 09/15] net/vmxnet3: switch MSS hint " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 10/15] test/distributor: switch sequence " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 11/15] test/graph: switch user data " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 12/15] app/eventdev: switch flow ID " Thomas Monjalon
2020-10-28  4:54     ` Jerin Jacob
2020-10-28  7:43       ` Thomas Monjalon
2020-10-28  8:06         ` Jerin Jacob
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 13/15] examples/bbdev: switch " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 14/15] examples/rxtx_callbacks: " Thomas Monjalon
2020-10-27 21:01   ` [dpdk-dev] [PATCH v3 15/15] mbuf: remove userdata field Thomas Monjalon
2020-10-28 10:26 ` [dpdk-dev] [PATCH v4 00/15] remove mbuf userdata Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 01/15] examples: enclose DPDK includes with angle brackets Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 02/15] kni: move header file from EAL Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 03/15] mbuf: fix typo in dynamic field convention note Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 04/15] node: switch IPv4 metadata to dynamic mbuf field Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 05/15] security: switch " Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 06/15] event/sw: switch test counter " Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 07/15] net/ark: switch user data to dynamic mbuf fields Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 08/15] net/bnxt: switch CFA code to dynamic mbuf field Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 09/15] net/vmxnet3: switch MSS hint " Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 10/15] test/distributor: switch sequence " Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 11/15] test/graph: switch user data " Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 12/15] app/eventdev: switch flow ID " Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 13/15] examples/bbdev: switch " Thomas Monjalon
2020-10-28 11:51     ` Andrew Rybchenko
2020-10-28 12:21       ` Thomas Monjalon
2020-10-28 12:55         ` Andrew Rybchenko
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 14/15] examples/rxtx_callbacks: " Thomas Monjalon
2020-10-28 10:26   ` [dpdk-dev] [PATCH v4 15/15] mbuf: remove userdata field Thomas Monjalon
2020-10-30 17:29 ` [dpdk-dev] [PATCH v5 00/15] remove mbuf userdata Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 01/15] eventdev: remove software Rx timestamp Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 02/15] mbuf: add Rx timestamp dynamic flag Thomas Monjalon
2020-11-01 20:03     ` Andrew Rybchenko
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 03/15] ethdev: register mbuf field and flags for timestamp Thomas Monjalon
2020-11-01 20:10     ` Andrew Rybchenko
2020-11-01 22:54       ` Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 04/15] latency: switch timestamp to dynamic mbuf field Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 05/15] net/ark: " Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 06/15] net/dpaa2: " Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 07/15] net/mlx5: fix dynamic mbuf offset lookup check Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 08/15] net/mlx5: switch timestamp to dynamic mbuf field Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 09/15] net/nfb: " Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 10/15] net/octeontx2: " Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 11/15] net/pcap: " Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 12/15] app/testpmd: " Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 13/15] examples/rxtx_callbacks: switch timestamp to dynamic field Thomas Monjalon
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 14/15] mbuf: remove deprecated timestamp field Thomas Monjalon
2020-11-01 20:13     ` Andrew Rybchenko
2020-10-30 17:29   ` [dpdk-dev] [PATCH v5 15/15] mbuf: move pool pointer in hotter first half Thomas Monjalon
2020-11-01 20:23     ` Andrew Rybchenko
2020-10-30 17:44 ` [dpdk-dev] [PATCH v6 00/15] remove mbuf userdata Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 01/15] examples: enclose DPDK includes with angle brackets Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 02/15] kni: move header file from EAL Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 03/15] mbuf: fix typo in dynamic field convention note Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 04/15] node: switch IPv4 metadata to dynamic mbuf field Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 05/15] security: switch " Thomas Monjalon
2020-10-31  8:56     ` David Marchand
2020-10-31  9:26       ` David Marchand
2020-10-31 14:38       ` Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 06/15] event/sw: switch test counter " Thomas Monjalon
2020-10-30 18:53     ` Van Haaren, Harry
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 07/15] net/ark: switch user data to dynamic mbuf fields Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 08/15] net/bnxt: switch CFA code to dynamic mbuf field Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 09/15] net/vmxnet3: switch MSS hint " Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 10/15] test/distributor: switch sequence " Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 11/15] test/graph: switch user data " Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 12/15] app/eventdev: switch flow ID " Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 13/15] examples/bbdev: switch " Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 14/15] examples/rxtx_callbacks: switch TSC to dynamic field Thomas Monjalon
2020-10-30 17:44   ` [dpdk-dev] [PATCH v6 15/15] mbuf: remove userdata field Thomas Monjalon
2020-10-31 15:07   ` [dpdk-dev] [PATCH v6 00/15] remove mbuf userdata Thomas Monjalon
2020-10-31 23:36     ` Ferruh Yigit
2020-11-01  9:15       ` Thomas Monjalon
2020-11-01 10:26         ` David Marchand
2020-11-02  9:11           ` Jiawen Wu
2020-11-02 11:08             ` Ferruh Yigit
2020-11-02 11:58               ` Ferruh Yigit

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