From: Jakub Kicinski <kuba@kernel.org>
To: Zhu Yanjun <yanjunz@nvidia.com>
Cc: dledford@redhat.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [PATCH 1/1] RDMA/rxe: Fetch skb packets from ethernet layer
Date: Sat, 7 Nov 2020 12:26:17 -0800 [thread overview]
Message-ID: <20201107122617.55d0909c@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <1604574721-2505-1-git-send-email-yanjunz@nvidia.com>
On Thu, 5 Nov 2020 19:12:01 +0800 Zhu Yanjun wrote:
> In the original design, in rx, skb packet would pass ethernet
> layer and IP layer, eventually reach udp tunnel.
>
> Now rxe fetches the skb packets from the ethernet layer directly.
> So this bypasses the IP and UDP layer. As such, the skb packets
> are sent to the upper protocals directly from the ethernet layer.
>
> This increases bandwidth and decreases latency.
>
> Signed-off-by: Zhu Yanjun <yanjunz@nvidia.com>
Nope, no stealing UDP packets with some random rx handlers.
The tunnel socket is a correct approach.
next prev parent reply other threads:[~2020-11-07 20:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-05 11:12 [PATCH 1/1] RDMA/rxe: Fetch skb packets from ethernet layer Zhu Yanjun
2020-11-07 20:26 ` Jakub Kicinski [this message]
[not found] ` <222b9c1b-9d60-22f3-6097-8abd651cc192@gmail.com>
2020-11-08 5:27 ` Zhu Yanjun
2020-11-09 18:25 ` Jakub Kicinski
2020-11-10 1:58 ` Zhu Yanjun
2020-11-11 11:15 ` Zhu Yanjun
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