On Sun, Nov 8, 2020 at 1:24 PM Zhu Yanjun <zyjzyj2000@xxxxxxxxx> wrote: > > > > > -------- Forwarded Message -------- > Subject: Re: [PATCH 1/1] RDMA/rxe: Fetch skb packets from ethernet layer > Date: Sat, 7 Nov 2020 12:26:17 -0800 > From: Jakub Kicinski <kuba@xxxxxxxxxx> > To: Zhu Yanjun <yanjunz@xxxxxxxxxx> > CC: dledford@xxxxxxxxxx, jgg@xxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx > > > 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@xxxxxxxxxx> > > > Nope, no stealing UDP packets with some random rx handlers. Why? Is there any risks? Zhu Yanjun > > The tunnel socket is a correct approach.
