Why is MSI-X support disabled on bce(4)?

Kajetan Staszkiewicz vegeta at tuxpowered.net
Tue Mar 7 15:11:07 UTC 2017


Dnia poniedziałek, 6 marca 2017 16:06:03 CET Sepherosa Ziehau pisze:
> On Thu, Mar 2, 2017 at 10:02 PM, Kajetan Staszkiewicz
> 
> <vegeta at tuxpowered.net> wrote:
> > To whom it might concern:
> > 
> > Well, at least it does concern me. Why is support for multiple interrupts
> > and queues not enabled on bce(4)?
> > 
> > Whole block of code is surrounded with #ifdef 0 ... #endif
> > 
> > https://github.com/freebsd/freebsd/blob/master/sys/dev/bce/if_bce.c#L1108
> 
> It involves much more work than the commented out MSI-X allocation, like
> this:
> https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/b42386ee03a4e688c8
> 64ba8d7094064c63d93dce?hp=be5708901d52be5534d5075eec706f5570b6a0f3

That is sad news. Should I assume that porting this driver from DragonflyBSD 
to FreeBSD would be impossible?


-- 
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|  Kajetan Staszkiewicz  | jabber,email: vegeta()tuxpowered net  |
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