Il 31 agosto 2016 17:19:36 CEST, Reyk Floeter <r...@openbsd.org> ha scritto:
>On Wed, Aug 31, 2016 at 09:12:30AM -0600, Theo de Raadt wrote:
>> > This makes ifconfig display baudrates defined in ifmedia.h tables.
>> >
>> > Before (prints media subtype):
>> >
>> > $ ifconfig iwn0 | grep media:
>> > media: IEEE802.11 autoselect (OFDM6 mode 11a)
>> > $ ifconfig em0 | grep media:
>> > media: Ethernet autoselect (100baseTX
>full-duplex,rxpause,txpause)
>> >
>> > After (prints corresponding baudrate):
>> >
>> > $ ifconfig iwn0 | grep media:
>> > media: IEEE802.11 autoselect (6Mbps mode 11a)
>> > $ ifconfig em0 | grep media:
>> > media: Ethernet autoselect (100Mbps
>full-duplex,rxpause,txpause)
>> >
>> > The output of 'ifconfig media' (which prints command syntax) is
>unchanged
>> > and we fall back to printing the media subtype if no baudrate is
>found.
>>
>> It makes no sense to change ethernet.
>>
>> The values it prints now is intended to match what you pass as
>> parameters for the 'media' and 'mediaopt' subcommands. That's why
>the
>> line is prefixed with the word "media", not "speed". There are
>legacy
>> options at the 100mbit level:
>>
>> if_media.h: { IFM_ETHER|IFM_100_TX, "100baseTX" },
> \
>> if_media.h: { IFM_ETHER|IFM_100_FX, "100baseFX" },
> \
>> if_media.h: { IFM_ETHER|IFM_100_T4, "100baseT4" },
> \
>> if_media.h: { IFM_ETHER|IFM_100_VG, "100baseVG" },
> \
>> if_media.h: { IFM_ETHER|IFM_100_T2, "100baseT2" },
> \
>>
>> Now they all become the opaque "100Mbps"? Sure many of those don't
>> exist at the moment, or are not used.
>>
>> But look at gig:
>>
>> if_media.h: { IFM_ETHER|IFM_1000_SX, "1000baseSX" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_SX, "1000SX" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_LX, "1000baseLX" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_LX, "1000LX" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_CX, "1000baseCX" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_CX, "1000CX" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_T, "1000baseT" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_T, "1000T" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_T, "1000baseTX" },
> \
>> if_media.h: { IFM_ETHER|IFM_1000_T, "1000TX" },
> \
>>
>> this is on cvs:
>>
>> media: Ethernet autoselect (10GSFP+Cu full-duplex)
>>
>> That is information, you'd replace that with a speed? No thanks,
>> it does not make sense.
>>
>
>Ok, it makes some sense to have this information for Ethernet.
>
>For 11n and all these new wireless rates it doesn't provide any useful
>information, what does "HT-MCS0" mean? Or "HT-MCS70"? In this case
>it would be much more useful to have the actual speed and not some
>obscure technical details from 802.11.
I also am in the "ok-for-wifi-but-not-for-wired" camp.
Ciao!
David
