From: Jakub Kicinski <kuba@kernel.org>
To: Mina Almasry <almasrymina@google.com>
Cc: netdev@vger.kernel.org, Pavel Begunkov <asml.silence@gmail.com>,
Willem de Bruijn <willemb@google.com>,
Kaiyuan Zhang <kaiyuanz@google.com>,
Samiullah Khawaja <skhawaja@google.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Jesper Dangaard Brouer <hawk@kernel.org>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>
Subject: Re: [PATCH net-next v4 5/5] net: Document netmem driver support
Date: Thu, 12 Dec 2024 18:53:11 -0800 [thread overview]
Message-ID: <20241212185311.66bb4445@kernel.org> (raw)
In-Reply-To: <20241211212033.1684197-6-almasrymina@google.com>
On Wed, 11 Dec 2024 21:20:32 +0000 Mina Almasry wrote:
> +
> +================
> +Netmem
> +================
The length of the ==== lines must match the title.
> +Introduction
> +============
> +
> +Device memory TCP, and likely more upcoming features, are reliant on netmem
> +support in the driver. This outlines what drivers need to do to support netmem.
> +
> +
> +Driver support
> +==============
> +
> +1. The driver must support page_pool. The driver must not do its own recycling
> + on top of page_pool.
We discussed this one, probably needs a bit of rewording at least.
> +2. The driver must support the tcp-data-split ethtool option.
> +
> +3. The driver must use the page_pool netmem APIs.
We should probably mention that this is only for payload pages?
next prev parent reply other threads:[~2024-12-13 2:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-11 21:20 [PATCH net-next v4 0/5] devmem TCP fixes Mina Almasry
2024-12-11 21:20 ` [PATCH net-next v4 1/5] net: page_pool: rename page_pool_alloc_netmem to *_netmems Mina Almasry
2024-12-11 21:20 ` [PATCH net-next v4 2/5] net: page_pool: create page_pool_alloc_netmem Mina Almasry
2024-12-11 21:20 ` [PATCH net-next v4 3/5] page_pool: Set `dma_sync` to false for devmem memory provider Mina Almasry
2024-12-11 21:20 ` [PATCH net-next v4 4/5] page_pool: disable sync for cpu for dmabuf " Mina Almasry
2024-12-11 21:20 ` [PATCH net-next v4 5/5] net: Document netmem driver support Mina Almasry
2024-12-11 22:58 ` Nelson, Shannon
2024-12-17 19:27 ` Mina Almasry
2024-12-17 19:40 ` Nelson, Shannon
2024-12-13 2:53 ` Jakub Kicinski [this message]
2024-12-13 3:00 ` [PATCH net-next v4 0/5] devmem TCP fixes patchwork-bot+netdevbpf
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