From: Leon Romanovsky <leon@kernel.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Saeed Mahameed <saeedm@mellanox.com>,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, Alex Vesker <valex@mellanox.com>,
Erez Shitrit <erezsh@mellanox.com>
Subject: Re: [net-next 13/14] net/mlx5: DR, Add support for flow table id destination action
Date: Sat, 14 Mar 2020 11:57:54 +0200 [thread overview]
Message-ID: <20200314095754.GF67638@unreal> (raw)
In-Reply-To: <20200313193643.5186b300@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
On Fri, Mar 13, 2020 at 07:36:43PM -0700, Jakub Kicinski wrote:
> On Fri, 13 Mar 2020 18:16:21 -0700 Saeed Mahameed wrote:
> > From: Alex Vesker <valex@mellanox.com>
> >
> > This action allows to go to a flow table based on the table id.
> > Goto flow table id is required for supporting user space SW.
>
> What's user space SW?
"User space software steering" is a way to add rules to the packet
processing. The rules can be written by user space applications and
they are executed by the HW.
The rdma-core (RDMA userspace counterpart) is exposing the proper API
for that functionality.
https://github.com/linux-rdma/rdma-core/blob/master/providers/mlx5/man/mlx5dv_dr_flow.3.md
Thanks
next prev parent reply other threads:[~2020-03-15 2:24 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-14 1:16 [pull request][net-next 00/14] Mellanox, mlx5 updates 2020-03-13 Saeed Mahameed
2020-03-14 1:16 ` [net-next 01/14] net/mlx5: E-Switch, Remove redundant check of eswitch manager cap Saeed Mahameed
2020-03-14 1:16 ` [net-next 02/14] net/mlx5: E-Switch, Hold mutex when querying drop counter in legacy mode Saeed Mahameed
2020-03-14 1:16 ` [net-next 03/14] net/mlx5: E-Switch, Remove redundant warning when QoS enable failed Saeed Mahameed
2020-03-14 1:16 ` [net-next 04/14] net/mlx5: E-Switch, Prepare for vport enable/disable refactor Saeed Mahameed
2020-03-14 1:16 ` [net-next 05/14] net/mlx5: E-switch, Make vport setup/cleanup sequence symmetric Saeed Mahameed
2020-03-14 1:16 ` [net-next 06/14] net/mlx5: E-Switch, Introduce per vport configuration for eswitch modes Saeed Mahameed
2020-03-14 1:16 ` [net-next 07/14] net/mlx5: E-Switch, Update VF vports config when num of VFs changed Saeed Mahameed
2020-03-14 2:36 ` Jakub Kicinski
2020-03-14 6:13 ` Saeed Mahameed
2020-03-14 1:16 ` [net-next 08/14] net/mlx5: E-Switch, Refactor unload all reps per rep type Saeed Mahameed
2020-03-14 1:16 ` [net-next 09/14] net/mlx5: Accept flow rules without match Saeed Mahameed
2020-03-14 1:16 ` [net-next 10/14] net/mlx5: E-switch, Annotate termtbl_mutex mutex destroy Saeed Mahameed
2020-03-14 1:16 ` [net-next 11/14] net/mlx5: E-switch, Annotate esw state_lock " Saeed Mahameed
2020-03-14 1:16 ` [net-next 12/14] net/mlx5: Avoid deriving mlx5_core_dev second time Saeed Mahameed
2020-03-14 1:16 ` [net-next 13/14] net/mlx5: DR, Add support for flow table id destination action Saeed Mahameed
2020-03-14 2:36 ` Jakub Kicinski
2020-03-14 6:23 ` Saeed Mahameed
2020-03-14 9:57 ` Leon Romanovsky [this message]
2020-03-14 1:16 ` [net-next 14/14] net/mlx5: DR, Remove unneeded functions deceleration Saeed Mahameed
2020-03-14 2:37 ` [pull request][net-next 00/14] Mellanox, mlx5 updates 2020-03-13 Jakub Kicinski
2020-03-14 4:04 ` David Miller
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