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Message-ID: <20231210034807.kqspmykhxpkdtoiy@google.com>
Date: Sun, 10 Dec 2023 03:48:07 +0000
From: Shakeel Butt <shakeelb@...gle.com>
To: Mina Almasry <almasrymina@...gle.com>
Cc: Shailend Chand <shailend@...gle.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
bpf@...r.kernel.org, linux-media@...r.kernel.org,
dri-devel@...ts.freedesktop.org, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Jonathan Corbet <corbet@....net>, Jeroen de Borst <jeroendb@...gle.com>,
Praveen Kaligineedi <pkaligineedi@...gle.com>, Jesper Dangaard Brouer <hawk@...nel.org>,
Ilias Apalodimas <ilias.apalodimas@...aro.org>, Arnd Bergmann <arnd@...db.de>,
David Ahern <dsahern@...nel.org>, Willem de Bruijn <willemdebruijn.kernel@...il.com>,
Shuah Khan <shuah@...nel.org>, Sumit Semwal <sumit.semwal@...aro.org>,
"Christian König" <christian.koenig@....com>, Yunsheng Lin <linyunsheng@...wei.com>,
Harshitha Ramamurthy <hramamurthy@...gle.com>
Subject: Re: [net-next v1 00/16] Device Memory TCP
On Thu, Dec 07, 2023 at 04:52:31PM -0800, Mina Almasry wrote:
[...]
>
> Today, the majority of the Device-to-Device data transfers the network are
'the network' in above can be removed.
> implemented as the following low level operations: Device-to-Host copy,
> Host-to-Host network transfer, and Host-to-Device copy.
>
[...]
>
> ** Part 5: recvmsg() APIs
>
> We define user APIs for the user to send and receive device memory.
>
> Not included with this RFC is the GVE devmem TCP support, just to
no more RFC
> simplify the review. Code available here if desired:
> https://github.com/mina/linux/tree/tcpdevmem
>
> This RFC is built on top of net-next with Jakub's pp-providers changes
no more RFC
[...]
>
> ** Test Setup
>
> Kernel: net-next with this RFC and memory provider API cherry-picked
no more RFC
> locally.
>
> Hardware: Google Cloud A3 VMs.
>
> NIC: GVE with header split & RSS & flow steering support.
>
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