From: Jakub Kicinski <kuba@kernel.org>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Saeed Mahameed <saeed@kernel.org>,
Leon Romanovsky <leon@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Paolo Abeni <pabeni@redhat.com>,
Eric Dumazet <edumazet@google.com>,
Saeed Mahameed <saeedm@nvidia.com>,
linux-rdma@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: pull-request: mlx5-next 2023-01-24 V2
Date: Wed, 8 Feb 2023 17:16:46 -0800 [thread overview]
Message-ID: <20230208171646.052e62fd@kernel.org> (raw)
In-Reply-To: <Y+RFj3QfGIsmvTab@nvidia.com>
On Wed, 8 Feb 2023 20:59:59 -0400 Jason Gunthorpe wrote:
> > Who said IP configuration.
>
> Please explain to me your vision how we could do IPSEC in rdma and
> continue to use an IP address owned by netdev while netdev is also
> running IPSEC on the same IP address for netdev traffic.
I'm no expert on IPsec but AFAIK it doesn't treat the entire endpoint
as a single unit.
> I can't see how it is even technically possible.
>
> Tell me how the NIC knows, on a packet by packet basis, if the IPSEC
> or IKE packet should be delivered to netdev or to RDMA.
Just a forwarding problem. Whether NIC matches on UDP port or ESP+SPI
programmed via some random API is a detail.
Could you please go back to answering the question of how we deliver
on the compromise that was established to merge the full xfrm offload?
There's only so much time I can spend circling the subject.
next prev parent reply other threads:[~2023-02-09 1:17 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-26 23:08 pull-request: mlx5-next 2023-01-24 V2 Saeed Mahameed
2023-02-02 7:46 ` Leon Romanovsky
2023-02-02 17:13 ` Jakub Kicinski
2023-02-02 17:14 ` Jason Gunthorpe
2023-02-02 17:25 ` Jakub Kicinski
2023-02-02 17:44 ` Jason Gunthorpe
2023-02-02 17:54 ` Jakub Kicinski
2023-02-02 18:03 ` Leon Romanovsky
2023-02-02 18:15 ` Saeed Mahameed
2023-02-02 18:30 ` Jakub Kicinski
2023-02-03 20:05 ` Saeed Mahameed
2023-02-03 21:14 ` Jakub Kicinski
2023-02-04 0:18 ` Jason Gunthorpe
2023-02-04 1:45 ` Jakub Kicinski
2023-02-06 14:58 ` Jason Gunthorpe
2023-02-07 0:38 ` Jakub Kicinski
2023-02-07 19:52 ` Jason Gunthorpe
2023-02-07 22:03 ` Jakub Kicinski
2023-02-08 9:17 ` Leon Romanovsky
2023-02-08 16:13 ` Jason Gunthorpe
2023-02-08 23:19 ` Jakub Kicinski
2023-02-09 0:27 ` Jason Gunthorpe
2023-02-09 0:48 ` Jakub Kicinski
2023-02-09 0:59 ` Jason Gunthorpe
2023-02-09 1:16 ` Jakub Kicinski [this message]
2023-02-10 17:15 ` Jason Gunthorpe
2023-02-09 0:36 ` Saeed Mahameed
2023-02-09 0:52 ` Jakub Kicinski
2023-02-04 0:47 ` Saeed Mahameed
2023-02-04 1:57 ` Jakub Kicinski
2023-02-05 10:26 ` Leon Romanovsky
2023-02-02 18:07 ` Leon Romanovsky
2023-02-03 20:14 ` Saeed Mahameed
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