From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: Akhil Goyal <gakhil@marvell.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: Anoob Joseph <anoobj@marvell.com>,
"Nicolau, Radu" <radu.nicolau@intel.com>,
"Doherty, Declan" <declan.doherty@intel.com>,
"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
"matan@nvidia.com" <matan@nvidia.com>,
"thomas@monjalon.net" <thomas@monjalon.net>,
"Yigit, Ferruh" <ferruh.yigit@intel.com>,
"andrew.rybchenko@oktetlabs.ru" <andrew.rybchenko@oktetlabs.ru>,
"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
"Xu, Rosen" <rosen.xu@intel.com>
Subject: RE: [PATCH 3/8] ethdev: add mbuf dynfield for incomplete IP reassembly
Date: Thu, 13 Jan 2022 22:29:14 +0000 [thread overview]
Message-ID: <DM6PR11MB4491EF3FA22CD142813737409A539@DM6PR11MB4491.namprd11.prod.outlook.com> (raw)
In-Reply-To: <CO6PR18MB44841453BFEC458D0FC6503ED8529@CO6PR18MB4484.namprd18.prod.outlook.com>
> > > > >
> > > > > +/**
> > > > > + * In case of IP reassembly offload failure, ol_flags in mbuf will be set
> > > > > + * with RTE_MBUF_F_RX_IPREASSEMBLY_INCOMPLETE and packets will
> > be
> > > > returned
> > > > > + * without alteration. The application can retrieve the attached fragments
> > > > > + * using mbuf dynamic field.
> > > > > + */
> > > > > +typedef struct {
> > > > > + /**
> > > > > + * Next fragment packet. Application should fetch dynamic field of
> > > > > + * each fragment until a NULL is received and nb_frags is 0.
> > > > > + */
> > > > > + struct rte_mbuf *next_frag;
> > > > > + /** Time spent(in ms) by HW in waiting for further fragments. */
> > > > > + uint16_t time_spent;
> > > > > + /** Number of more fragments attached in mbuf dynamic fields. */
> > > > > + uint16_t nb_frags;
> > > > > +} rte_eth_ip_reass_dynfield_t;
> > > >
> > > >
> > > > Looks like a bit of overkill to me:
> > > > We do already have 'next' and 'nb_frags' fields inside mbuf,
> > > > why can't they be used here? Why a separate ones are necessary?
> > > >
> > > The next and nb_frags in mbuf is for segmented buffers and not IP fragments.
> > > But here we will have separate mbufs in each dynfield denoting each of the
> > > fragments which may have further segmented buffers.
> >
> > Makes sense, thanks for explanation.
> > Though in that case just 'struct rte_mbuf *next_frag' might be enough
> > (user will walk though the list till mbuf->next_frag != NULL)?
> > The reason I am asking: current sizeof(rte_eth_ip_reass_dynfield_t) is 16B,
> > which is quite a lot for mbuf, especially considering that it has to be continuous
> > 16B.
> > Making it smaller (8B) or even splitting into 2 fileds (8+4) will give it more
> > chances
> > to coexist with other dynfields.
>
> Even if we drop nb_frags, we will be left with uint16_t time_spent.
> Are you suggesting to use separate dynfield altogether for 2 bytes of time_spent?
Yes, that's was my thought - split it into two separate fields, if possible.
next prev parent reply other threads:[~2022-01-13 22:29 UTC|newest]
Thread overview: 184+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-23 10:02 [dpdk-dev] [PATCH] RFC: ethdev: add reassembly offload Akhil Goyal
2021-08-23 10:18 ` Andrew Rybchenko
2021-08-29 13:14 ` [dpdk-dev] [EXT] " Akhil Goyal
2021-09-21 19:59 ` Thomas Monjalon
2021-09-07 8:47 ` [dpdk-dev] " Ferruh Yigit
2021-09-08 10:29 ` [dpdk-dev] [EXT] " Anoob Joseph
2021-09-13 6:56 ` Xu, Rosen
2021-09-13 7:22 ` Andrew Rybchenko
2021-09-14 5:14 ` Anoob Joseph
2021-09-08 6:34 ` [dpdk-dev] " Xu, Rosen
2021-09-08 6:36 ` Xu, Rosen
2022-01-03 15:08 ` [PATCH 0/8] ethdev: introduce IP " Akhil Goyal
2022-01-03 15:08 ` [PATCH 1/8] " Akhil Goyal
2022-01-11 16:03 ` Ananyev, Konstantin
2022-01-22 7:38 ` Andrew Rybchenko
2022-01-30 16:53 ` [EXT] " Akhil Goyal
2022-01-03 15:08 ` [PATCH 2/8] ethdev: add dev op for IP reassembly configuration Akhil Goyal
2022-01-11 16:09 ` Ananyev, Konstantin
2022-01-11 18:54 ` Akhil Goyal
2022-01-12 10:22 ` Ananyev, Konstantin
2022-01-12 10:32 ` Akhil Goyal
2022-01-12 10:48 ` Ananyev, Konstantin
2022-01-12 11:06 ` Akhil Goyal
2022-01-13 13:31 ` Akhil Goyal
2022-01-13 14:41 ` Ananyev, Konstantin
2022-01-03 15:08 ` [PATCH 3/8] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-01-11 17:04 ` Ananyev, Konstantin
2022-01-11 18:44 ` Akhil Goyal
2022-01-12 10:30 ` Ananyev, Konstantin
2022-01-12 10:59 ` Akhil Goyal
2022-01-13 22:29 ` Ananyev, Konstantin [this message]
2022-01-13 13:18 ` Akhil Goyal
2022-01-13 14:36 ` Ananyev, Konstantin
2022-01-13 15:04 ` Akhil Goyal
2022-01-03 15:08 ` [PATCH 4/8] security: add IPsec option for " Akhil Goyal
2022-01-03 15:08 ` [PATCH 5/8] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 0/4] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 1/4] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 2/4] app/test: add IP reassembly case with no frags Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 3/4] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-01-20 16:48 ` [PATCH v2 4/4] app/test: add IP reassembly negative cases Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 0/4] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 1/4] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 2/4] app/test: add IP reassembly case with no frags Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 3/4] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-02-17 17:23 ` [PATCH v3 4/4] app/test: add IP reassembly negative cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 00/10] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 01/10] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 02/10] test/security: add inline inbound IPsec cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 03/10] test/security: add combined mode inline " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 04/10] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 05/10] test/security: add more inline IPsec functional cases Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 06/10] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 07/10] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-04-19 8:58 ` Thomas Monjalon
2022-04-19 10:14 ` [EXT] " Akhil Goyal
2022-04-19 10:19 ` Anoob Joseph
2022-04-19 10:37 ` Thomas Monjalon
2022-04-19 10:39 ` Anoob Joseph
2022-04-19 10:47 ` Thomas Monjalon
2022-04-19 12:27 ` Akhil Goyal
2022-04-19 15:41 ` Ray Kinsella
2022-04-20 13:51 ` Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 0/3] Add and test IPsec SA expiry events Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 1/3] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-09-24 14:02 ` Akhil Goyal
2022-09-26 14:02 ` Thomas Monjalon
2022-09-27 18:44 ` [EXT] " Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 2/3] test/security: add inline IPsec SA soft expiry cases Akhil Goyal
2022-09-24 13:57 ` [PATCH v5 3/3] test/security: add inline IPsec SA hard " Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 0/3] Add and test IPsec SA expiry events Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 1/3] ethdev: add IPsec SA expiry event subtypes Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 2/3] test/security: add inline IPsec SA soft expiry cases Akhil Goyal
2022-09-26 17:07 ` [PATCH v6 3/3] test/security: add inline IPsec SA hard " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 08/10] test/security: add inline IPsec SA soft " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 09/10] test/security: add inline IPsec SA hard " Akhil Goyal
2022-04-16 19:25 ` [PATCH v4 10/10] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-04-18 3:44 ` Anoob Joseph
2022-04-18 3:55 ` Akhil Goyal
2022-04-25 12:38 ` [PATCH v4 00/10] app/test: add inline IPsec and reassembly cases Poczatek, Jakub
2022-04-27 15:10 ` [PATCH v5 0/7] " Akhil Goyal
2022-04-27 15:10 ` [PATCH v5 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-04-27 15:44 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-04-27 15:44 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 3/7] test/security: add combined mode inline " Akhil Goyal
2022-04-27 15:45 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-04-27 15:45 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-04-27 15:46 ` Zhang, Roy Fan
2022-04-27 15:10 ` [PATCH v5 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-04-27 15:46 ` Zhang, Roy Fan
2022-04-28 5:25 ` Anoob Joseph
2022-04-27 15:10 ` [PATCH v5 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-04-27 15:46 ` Zhang, Roy Fan
2022-04-27 15:42 ` [PATCH v5 0/7] app/test: add inline IPsec and reassembly cases Zhang, Roy Fan
2022-05-13 7:31 ` [PATCH v6 " Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 3/7] test/security: add combined mode inline " Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-05-13 7:31 ` [PATCH v6 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-05-13 7:32 ` [PATCH v6 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-05-13 7:32 ` [PATCH v6 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 0/7] app/test: add inline IPsec and reassembly cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 1/7] app/test: add unit cases for inline IPsec offload Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 2/7] test/security: add inline inbound IPsec cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 3/7] test/security: add combined mode inline " Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 4/7] test/security: add inline IPsec reassembly cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 5/7] test/security: add more inline IPsec functional cases Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 6/7] test/security: add ESN and anti-replay cases for inline Akhil Goyal
2022-05-24 7:22 ` [PATCH v7 7/7] test/security: add inline IPsec IPv6 flow label cases Akhil Goyal
2022-05-24 8:05 ` [PATCH v7 0/7] app/test: add inline IPsec and reassembly cases Anoob Joseph
2022-05-24 9:38 ` Akhil Goyal
2022-01-03 15:08 ` [PATCH 6/8] app/test: add IP reassembly case with no frags Akhil Goyal
2022-01-03 15:08 ` [PATCH 7/8] app/test: add IP reassembly cases with multiple fragments Akhil Goyal
2022-01-03 15:08 ` [PATCH 8/8] app/test: add IP reassembly negative cases Akhil Goyal
2022-01-06 9:51 ` [PATCH 0/8] ethdev: introduce IP reassembly offload David Marchand
2022-01-06 9:54 ` [EXT] " Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 0/4] " Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 1/4] " Akhil Goyal
2022-01-20 16:45 ` Stephen Hemminger
2022-01-20 17:11 ` [EXT] " Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 2/4] ethdev: add dev op to set/get IP reassembly configuration Akhil Goyal
2022-01-22 8:17 ` Andrew Rybchenko
2022-01-30 16:30 ` [EXT] " Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 3/4] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-01-20 16:26 ` [PATCH v2 4/4] security: add IPsec option for " Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 0/4] ethdev: introduce IP reassembly offload Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 1/4] " Akhil Goyal
2022-02-01 14:11 ` Ferruh Yigit
2022-02-02 10:57 ` [EXT] " Akhil Goyal
2022-02-02 14:05 ` Ferruh Yigit
2022-01-30 17:59 ` [PATCH v3 2/4] ethdev: add dev op to set/get IP reassembly configuration Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 3/4] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-01 14:11 ` Ferruh Yigit
2022-02-02 9:13 ` [EXT] " Akhil Goyal
2022-01-30 17:59 ` [PATCH v3 4/4] security: add IPsec option for " Akhil Goyal
2022-02-01 14:12 ` Ferruh Yigit
2022-02-02 9:15 ` [EXT] " Akhil Goyal
2022-02-02 14:04 ` Ferruh Yigit
2022-02-01 14:10 ` [PATCH v3 0/4] ethdev: introduce IP reassembly offload Ferruh Yigit
2022-02-02 9:05 ` [EXT] " Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 0/3] " Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 1/3] " Akhil Goyal
2022-02-04 22:20 ` Akhil Goyal
2022-02-07 13:53 ` Ferruh Yigit
2022-02-07 14:36 ` [EXT] " Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-07 13:58 ` Ferruh Yigit
2022-02-07 14:20 ` [EXT] " Akhil Goyal
2022-02-07 14:56 ` Ferruh Yigit
2022-02-07 16:20 ` Akhil Goyal
2022-02-07 16:41 ` Ferruh Yigit
2022-02-07 17:17 ` Akhil Goyal
2022-02-07 17:23 ` Stephen Hemminger
2022-02-07 17:28 ` Ferruh Yigit
2022-02-07 18:01 ` Stephen Hemminger
2022-02-07 18:28 ` [EXT] " Akhil Goyal
2022-02-07 19:08 ` Stephen Hemminger
2022-02-07 17:29 ` Akhil Goyal
2022-02-04 22:13 ` [PATCH v4 3/3] security: add IPsec option for " Akhil Goyal
2022-02-08 9:01 ` David Marchand
2022-02-08 9:18 ` [EXT] " Akhil Goyal
2022-02-08 9:27 ` David Marchand
2022-02-08 10:45 ` Akhil Goyal
2022-02-08 13:19 ` Akhil Goyal
2022-02-08 19:55 ` David Marchand
2022-02-08 20:01 ` Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 0/3] ethdev: introduce IP reassembly offload Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 1/3] " Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-08 20:11 ` [PATCH v5 3/3] security: add IPsec option for " Akhil Goyal
2022-02-08 22:20 ` [PATCH v6 0/3] ethdev: introduce IP reassembly offload Akhil Goyal
2022-02-08 22:20 ` [PATCH v6 1/3] " Akhil Goyal
2022-02-10 8:54 ` Ferruh Yigit
2022-02-10 10:08 ` Andrew Rybchenko
2022-02-10 10:20 ` Ferruh Yigit
2022-02-10 10:30 ` Ferruh Yigit
2022-02-08 22:20 ` [PATCH v6 2/3] ethdev: add mbuf dynfield for incomplete IP reassembly Akhil Goyal
2022-02-10 8:54 ` Ferruh Yigit
2022-02-08 22:20 ` [PATCH v6 3/3] security: add IPsec option for " Akhil Goyal
2022-02-10 8:54 ` [PATCH v6 0/3] ethdev: introduce IP reassembly offload Ferruh Yigit
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