From: Thomas Monjalon <thomas@monjalon.net> To: Ferruh Yigit <ferruh.yigit@intel.com> Cc: Slava Ovsiienko <viacheslavo@nvidia.com>, Andrew Rybchenko <Andrew.Rybchenko@oktetlabs.ru>, "dev@dpdk.org" <dev@dpdk.org>, "stephen@networkplumber.org" <stephen@networkplumber.org>, Shahaf Shuler <shahafs@nvidia.com>, "olivier.matz@6wind.com" <olivier.matz@6wind.com>, "jerinjacobk@gmail.com" <jerinjacobk@gmail.com>, "maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>, "david.marchand@redhat.com" <david.marchand@redhat.com>, Asaf Penso <asafp@nvidia.com>, Konstantin Ananyev <konstantin.ananyev@intel.com> Subject: Re: [dpdk-dev] [RFC] ethdev: introduce Rx buffer split Date: Wed, 14 Oct 2020 09:17:38 +0200 Message-ID: <5915060.dkjAuQWYH0@thomas> (raw) In-Reply-To: <90d1f9d6-9183-838b-2cf8-d276aa4f42b1@intel.com> 13/10/2020 23:59, Ferruh Yigit: > On 10/12/2020 10:56 AM, Slava Ovsiienko wrote: > > We have two approaches how to specify multiple segments to split Rx packets: > > 1. update queue configuration structure > > 2. introduce new rx_queue_setup_ex() routine with extra parameters. > > > > For [1] my only actual dislike is that we would have multiple places to specify > > the pool - in rx_queue_setup() and in the config structure. So, we should > > implement some checking (if we have offload flag set we should check > > whether mp parameter is NULL and segment descriptions array pointer/size > > is provided, if no offload flag set - we must check the description array is empty). > > > >> @Thomas, @Ferruh: I'd like to hear what other ethdev maintainers think > >> about it. > > > > Yes, it would be very nice to hear extra opinions. Do we think the providing > > of extra API function is worse than extending existing structure, introducing > > some conditional ambiguity and complicating the parameter compliance > > check? > > I think decision was given with the deprecation notice which already says > ``rte_eth_rxconf`` will be updated for this. > > With new API, we need to create a new dev_ops too, not sure about creating a new > dev_ops for a single PMD. You should not view it as a feature for a single PMD. Yes, as always, it starts with only one PMD implementing the API, but I really think this feature is generic and multiple NICs will be able to support this offload. > For the PMD that supports this feature will need two dev_ops that is fairly > close to each other, as Andrew mentioned this is a duplication. > > And from user perspective two setup functions with overlaps can be confusing. > > +1 to having single setup function but update the config, and I can see v5 sent > this way, I will check it. > > > > Now I'm updating the existing version on the patch based on rx_queue_ex() > > and then could prepare the version for configuration structure, > > it is not a problem - approaches are very similar, we just should choose > > the most relevant one. > > > > With best regards, Slava
next prev parent reply other threads:[~2020-10-14 7:17 UTC|newest] Thread overview: 172+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-17 17:49 Slava Ovsiienko 2020-09-17 16:55 ` Andrew Rybchenko 2020-10-01 8:54 ` Slava Ovsiienko 2020-10-12 8:45 ` Andrew Rybchenko 2020-10-12 9:56 ` Slava Ovsiienko 2020-10-12 15:14 ` Thomas Monjalon 2020-10-12 15:28 ` Ananyev, Konstantin 2020-10-12 15:34 ` Slava Ovsiienko 2020-10-12 15:56 ` Ananyev, Konstantin 2020-10-12 15:59 ` Slava Ovsiienko 2020-10-12 16:52 ` Thomas Monjalon 2020-10-12 16:03 ` Andrew Rybchenko 2020-10-12 16:10 ` Slava Ovsiienko 2020-10-13 21:59 ` Ferruh Yigit 2020-10-14 7:17 ` Thomas Monjalon [this message] 2020-10-14 7:37 ` Slava Ovsiienko 2020-10-05 6:26 ` [dpdk-dev] [PATCH 0/5] " Viacheslav Ovsiienko 2020-10-05 6:26 ` [dpdk-dev] [PATCH 1/5] " Viacheslav Ovsiienko 2020-10-05 6:26 ` [dpdk-dev] [PATCH 2/5] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-05 6:26 ` [dpdk-dev] [PATCH 3/5] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-05 6:26 ` [dpdk-dev] [PATCH 4/5] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-05 6:26 ` [dpdk-dev] [PATCH 5/5] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 0/9] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 1/9] " Viacheslav Ovsiienko 2020-10-11 22:17 ` Thomas Monjalon 2020-10-12 9:40 ` Slava Ovsiienko 2020-10-12 10:09 ` Thomas Monjalon 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 2/9] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 3/9] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 4/9] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 5/9] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 6/9] net/mlx5: add extended Rx queue setup routine Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 7/9] net/mlx5: configure Rx queue to support split Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 8/9] net/mlx5: register multiple pool for Rx queue Viacheslav Ovsiienko 2020-10-07 15:06 ` [dpdk-dev] [PATCH v2 9/9] net/mlx5: update Rx datapath to support split Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 0/9] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 1/9] " Viacheslav Ovsiienko 2020-10-12 16:38 ` Andrew Rybchenko 2020-10-12 17:03 ` Thomas Monjalon 2020-10-12 17:11 ` Andrew Rybchenko 2020-10-12 20:22 ` Slava Ovsiienko 2020-10-12 17:11 ` Slava Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 2/9] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 3/9] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 4/9] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 5/9] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 6/9] net/mlx5: add extended Rx queue setup routine Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 7/9] net/mlx5: configure Rx queue to support split Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 8/9] net/mlx5: register multiple pool for Rx queue Viacheslav Ovsiienko 2020-10-12 16:19 ` [dpdk-dev] [PATCH v3 9/9] net/mlx5: update Rx datapath to support split Viacheslav Ovsiienko 2020-10-12 20:09 ` [dpdk-dev] [PATCH v4 0/9] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-12 20:09 ` [dpdk-dev] [PATCH v4 1/9] " Viacheslav Ovsiienko 2020-10-12 20:09 ` [dpdk-dev] [PATCH v4 2/9] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-12 20:09 ` [dpdk-dev] [PATCH v4 3/9] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-12 20:09 ` [dpdk-dev] [PATCH v4 4/9] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-12 20:09 ` [dpdk-dev] [PATCH v4 5/9] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-12 20:09 ` [dpdk-dev] [PATCH v4 6/9] net/mlx5: add extended Rx queue setup routine Viacheslav Ovsiienko 2020-10-12 20:10 ` [dpdk-dev] [PATCH v4 7/9] net/mlx5: configure Rx queue to support split Viacheslav Ovsiienko 2020-10-12 20:10 ` [dpdk-dev] [PATCH v4 8/9] net/mlx5: register multiple pool for Rx queue Viacheslav Ovsiienko 2020-10-12 20:10 ` [dpdk-dev] [PATCH v4 9/9] net/mlx5: update Rx datapath to support split Viacheslav Ovsiienko 2020-10-13 19:21 ` [dpdk-dev] [PATCH v5 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-13 19:21 ` [dpdk-dev] [PATCH v5 1/6] " Viacheslav Ovsiienko 2020-10-13 22:34 ` Ferruh Yigit 2020-10-14 13:31 ` Olivier Matz 2020-10-14 14:42 ` Slava Ovsiienko 2020-10-13 19:21 ` [dpdk-dev] [PATCH v5 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-13 19:21 ` [dpdk-dev] [PATCH v5 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-13 19:21 ` [dpdk-dev] [PATCH v5 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-13 19:21 ` [dpdk-dev] [PATCH v5 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-13 19:21 ` [dpdk-dev] [PATCH v5 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-14 18:11 ` [dpdk-dev] [PATCH v6 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-14 18:11 ` [dpdk-dev] [PATCH v6 1/6] " Viacheslav Ovsiienko 2020-10-14 18:57 ` Jerin Jacob 2020-10-15 7:43 ` Slava Ovsiienko 2020-10-15 9:27 ` Jerin Jacob 2020-10-15 10:27 ` Jerin Jacob 2020-10-15 10:51 ` Slava Ovsiienko 2020-10-15 11:26 ` Jerin Jacob 2020-10-15 11:36 ` Ferruh Yigit 2020-10-15 11:49 ` Slava Ovsiienko 2020-10-15 12:49 ` Thomas Monjalon 2020-10-15 13:07 ` Andrew Rybchenko 2020-10-15 13:57 ` Slava Ovsiienko 2020-10-15 20:22 ` Slava Ovsiienko 2020-10-15 9:49 ` Andrew Rybchenko 2020-10-15 10:34 ` Slava Ovsiienko 2020-10-15 11:09 ` Andrew Rybchenko 2020-10-15 14:39 ` Slava Ovsiienko 2020-10-14 22:13 ` Thomas Monjalon 2020-10-14 22:50 ` Ajit Khaparde 2020-10-15 10:11 ` Andrew Rybchenko 2020-10-15 10:19 ` Thomas Monjalon 2020-10-14 18:11 ` [dpdk-dev] [PATCH v6 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-14 18:11 ` [dpdk-dev] [PATCH v6 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-14 18:12 ` [dpdk-dev] [PATCH v6 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-14 18:12 ` [dpdk-dev] [PATCH v6 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-14 18:12 ` [dpdk-dev] [PATCH v6 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-15 0:55 ` [dpdk-dev] [PATCH v2] eal/rte_malloc: add alloc_size() attribute to allocation functions Stephen Hemminger 2020-10-19 14:13 ` Thomas Monjalon 2020-10-19 14:22 ` Thomas Monjalon 2020-10-15 20:17 ` [dpdk-dev] [PATCH v7 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-15 20:17 ` [dpdk-dev] [PATCH v7 1/6] " Viacheslav Ovsiienko 2020-10-15 20:30 ` Jerin Jacob 2020-10-15 20:33 ` Thomas Monjalon 2020-10-15 22:01 ` Ajit Khaparde 2020-10-15 20:17 ` [dpdk-dev] [PATCH v7 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-15 20:17 ` [dpdk-dev] [PATCH v7 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-15 20:17 ` [dpdk-dev] [PATCH v7 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-15 20:17 ` [dpdk-dev] [PATCH v7 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-15 20:17 ` [dpdk-dev] [PATCH v7 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-16 7:48 ` [dpdk-dev] [PATCH v8 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-16 7:48 ` [dpdk-dev] [PATCH v8 1/6] " Viacheslav Ovsiienko 2020-10-16 8:51 ` Andrew Rybchenko 2020-10-16 8:58 ` Andrew Rybchenko 2020-10-16 9:15 ` Slava Ovsiienko 2020-10-16 9:27 ` Andrew Rybchenko 2020-10-16 9:34 ` Slava Ovsiienko 2020-10-16 9:37 ` Thomas Monjalon 2020-10-16 9:38 ` Slava Ovsiienko 2020-10-16 9:19 ` Ferruh Yigit 2020-10-16 9:21 ` Andrew Rybchenko 2020-10-16 9:22 ` Slava Ovsiienko 2020-10-16 7:48 ` [dpdk-dev] [PATCH v8 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-16 7:48 ` [dpdk-dev] [PATCH v8 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-16 7:48 ` [dpdk-dev] [PATCH v8 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-16 7:48 ` [dpdk-dev] [PATCH v8 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-16 7:48 ` [dpdk-dev] [PATCH v8 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-16 10:22 ` [dpdk-dev] [PATCH v9 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-16 10:22 ` [dpdk-dev] [PATCH v9 1/6] " Viacheslav Ovsiienko 2020-10-16 11:21 ` Ferruh Yigit 2020-10-16 13:08 ` Slava Ovsiienko 2020-10-16 10:22 ` [dpdk-dev] [PATCH v9 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-16 10:22 ` [dpdk-dev] [PATCH v9 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-16 10:22 ` [dpdk-dev] [PATCH v9 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-16 10:22 ` [dpdk-dev] [PATCH v9 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-16 10:22 ` [dpdk-dev] [PATCH v9 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-16 12:41 ` [dpdk-dev] [PATCH v10 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-16 12:41 ` [dpdk-dev] [PATCH v10 1/6] " Viacheslav Ovsiienko 2020-10-16 12:41 ` [dpdk-dev] [PATCH v10 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-16 12:41 ` [dpdk-dev] [PATCH v10 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-16 12:41 ` [dpdk-dev] [PATCH v10 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-16 12:41 ` [dpdk-dev] [PATCH v10 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-16 12:41 ` [dpdk-dev] [PATCH v10 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-16 13:39 ` [dpdk-dev] [PATCH v11 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-16 13:39 ` [dpdk-dev] [PATCH v11 1/6] " Viacheslav Ovsiienko 2020-10-16 15:14 ` Thomas Monjalon 2020-10-16 16:18 ` Slava Ovsiienko 2020-10-16 15:47 ` Ferruh Yigit 2020-10-16 16:05 ` Thomas Monjalon 2020-10-16 16:06 ` Ferruh Yigit 2020-10-16 13:39 ` [dpdk-dev] [PATCH v11 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-16 15:05 ` Ferruh Yigit 2020-10-16 15:38 ` Ferruh Yigit 2020-10-16 15:48 ` Slava Ovsiienko 2020-10-16 15:52 ` Ferruh Yigit 2020-10-16 15:55 ` Slava Ovsiienko 2020-10-16 15:57 ` Ferruh Yigit 2020-10-16 13:39 ` [dpdk-dev] [PATCH v11 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-16 13:39 ` [dpdk-dev] [PATCH v11 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-16 13:39 ` [dpdk-dev] [PATCH v11 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-16 13:39 ` [dpdk-dev] [PATCH v11 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-16 16:44 ` [dpdk-dev] [PATCH v12 0/6] ethdev: introduce Rx buffer split Viacheslav Ovsiienko 2020-10-16 16:44 ` [dpdk-dev] [PATCH v12 1/6] " Viacheslav Ovsiienko 2020-10-16 19:22 ` Ferruh Yigit 2020-10-16 21:36 ` Ferruh Yigit 2020-10-16 16:44 ` [dpdk-dev] [PATCH v12 2/6] app/testpmd: add multiple pools per core creation Viacheslav Ovsiienko 2020-10-16 16:44 ` [dpdk-dev] [PATCH v12 3/6] app/testpmd: add buffer split offload configuration Viacheslav Ovsiienko 2020-10-16 16:44 ` [dpdk-dev] [PATCH v12 4/6] app/testpmd: add rxpkts commands and parameters Viacheslav Ovsiienko 2020-10-16 16:44 ` [dpdk-dev] [PATCH v12 5/6] app/testpmd: add rxoffs " Viacheslav Ovsiienko 2020-10-16 16:44 ` [dpdk-dev] [PATCH v12 6/6] app/testpmd: add extended Rx queue setup Viacheslav Ovsiienko 2020-10-16 17:05 ` [dpdk-dev] [PATCH v12 0/6] ethdev: introduce Rx buffer split Ferruh Yigit 2020-10-16 17:07 ` Slava Ovsiienko
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