Thread (74 messages) 74 messages, 14 authors, 2021-12-01

Re: [PATCH v2 net-next 00/26] net: introduce and use generic XDP stats

From: David Ahern <hidden>
Date: 2021-11-30 17:56:33
Also in: bpf, linux-doc, linux-rdma, netdev, virtualization

On 11/30/21 10:07 AM, Jakub Kicinski wrote:
On Tue, 30 Nov 2021 17:17:24 +0100 Toke Høiland-Jørgensen wrote:
quoted
quoted
1. Channels vs queues vs global.

Jakub: no per-channel.
David (Ahern): it's worth it to separate as Rx/Tx.
Toke is fine with globals at the end I think?  
Well, I don't like throwing data away, so in that sense I do like
per-queue stats, but it's not a very strong preference (i.e., I can live
with either)...
We don't even have a clear definition of a queue in Linux.
The summary above says "Jakub: no per-channel", and then you have this
comment about a clear definition of a queue. What is your preference
here, Jakub? I think I have gotten lost in all of the coments.

My request was just to not lump Rx and Tx together under a 'channel'
definition as a new API. Proposals like zctap and 'queues as a first
class citizen' are examples of intentions / desires to move towards Rx
and Tx queues beyond what exists today.
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