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SubjectRe: Patch for link detection for R8169
Francois Romieu wrote:
> Miroslaw Mieszczak <> :
>>There is a patch to driver of RLT8169 network card. This match make
>>possible detection of the link status even if network interface is down.
>>This is usefull for laptop users.
> (side note: there is maintainer entry for the r8169 and network related
> patches are welcome on
> Can you elaborate why it is usefull for laptop users ?
> I am sceptical: tg3/bn2x/skge do not seem to allow it either.
> Jeff, is it a requirement ?

Generally most drivers power down hardware, MAC at least, when the
interface is down. As such, many drivers do not (cannot), as written,
report any useful link information.

IF the phy is not powered down, when the interface goes down, and IF
hardware permits, it would certainly be nice to report link state when
interface is down. This is a hardware-dependent, driver-dependent choice.


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