DPDK usage discussions
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From: Thomas Monjalon <thomas@monjalon.net>
To: Thea Corinne Rossman <thea.rossman@cs.stanford.edu>
Cc: stephen@networkplumber.org, users@dpdk.org
Subject: Re: Containernet (Docker/Container Networking) with DPDK?
Date: Tue, 19 Nov 2024 23:14:16 +0100	[thread overview]
Message-ID: <2390764.BjyWNHgNrj@thomas> (raw)
In-Reply-To: <CAHXF6-qGDizPUWrFT7YYJykt+Zr5rfOUrk0cDjjaes0CkPJYSA@mail.gmail.com>

19/11/2024 22:39, Thea Corinne Rossman:
> This is SO helpful -- thank you so much.
> 
> One follow-up question regarding NICs: can multiple containers on the same
> host share the same PCI device? If I have a host NIC with (say) VFIO driver
> binding, do I have to split it with some kind of SR-IOV so that each
> container has its own "NIC" binding? Or, when running DPDK's "devbind"
> script, can I set up each one with the same PCI address?

You need to split devices.
SR-IOV VF may help, or you can use SF which was designed exactly for this,
with the help of the Linux auxiliary bus.




  parent reply	other threads:[~2024-11-19 22:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-18  5:42 Thea Corinne Rossman
2024-11-19 20:53 ` Thea Corinne Rossman
2024-11-19 21:29   ` Stephen Hemminger
2024-11-19 21:39     ` Thea Corinne Rossman
2024-11-19 22:03       ` Stephen Hemminger
2024-11-20  7:10         ` Kompella V, Purnima
2024-11-20  9:27           ` Tom Barbette
2024-11-20  9:28             ` Tom Barbette
2024-11-20  9:28               ` Tom Barbette
2024-11-20 19:49               ` Thea Corinne Rossman
2024-11-19 22:14       ` Thomas Monjalon [this message]
2024-11-19 23:23         ` Thea Corinne Rossman
2024-11-19 23:30           ` Thomas Monjalon

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