[openib-general] Re: [PATCH] agent: Add IB ping server agent

[Michael S. Tsirkin]

Quoting r. Roland Dreier <roland at topspin.com>:
> Subject: Re: [PATCH] agent: Add IB ping server agent
> 
>     Roland> One other thought just occurred to me -- what advantages
>     Roland> does this vendor-specific ping MAD have over a LID-routed
>     Roland> NodeDescription get query?
> 
>     Hal> No MKey issue is the first thing that comes to mind.
> 
> Hmm... is someone running their fabric with an M_Key protection level
> above 1 going to want a backdoor query class without access control?
> Especially if it's unconditionally enabled and reveals information
> like hostname?

Out of curiosity - what is the M_Key protection level currently set by
OpenSm?

-- 
MST - Michael S. Tsirkin