Re: [PATCH] efinet: add efinet_multicast_filter command

[Andrei Borzenkov <arvidjaar@gmail.com>]

06.11.2015 21:47, Vladimir 'phcoder' Serbinenko пишет:
> Le 6 nov. 2015 7:43 PM, "Andrei Borzenkov" <arvidjaar@gmail.com> a écrit :
>>
>> 06.11.2015 02:47, Vladimir 'phcoder' Serbinenko пишет:
>>
>>> If we can't figure out which ones we need to filter out, then it's
>>> unrealistic to expect our users to be able to configure. We need to go
> with
>>> multicast filter per default and switch to promiscuous only when we
>>> actually need it: when we override mac address. You can add function to
> go
>>> to promiscuous mode to network interface structure
>>
>>
>> I'm afraid if we cannot trust firmware the only solution is to simply use
> promiscuous mode. This is not as bad as it sounds, as with moder switches
> we won't get significantly more traffic anyway unless someone floods
> network with video broadcast, in which case grub is probably not the right
> place to fix it.
>>
>> Also firmware is free to implement filter using promiscuous mode, so it
> may well be what we end up doing anyway.
>>
>> And i386 did it all the time. I do not know how wide testing it received,
> but nobody complained about problems due to promiscuous.
>>
> Josef's firmware apparently doesn't work with promiscuous. Or do you mean
> some kind of hybrid mode when we set both promiscuous and filters?

I mean full promiscuous, not multicast promiscuous - 
EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS.