Re: D2.0 Figure 49-7
Hi Pat,
If this is the case, that means if a packet transmited like
ECCC/CCCC ---->E
CCCC/SDDD ---->E
...
will be trashed,
but a packet transmite like
CEEE/EEEE ----> C
SDDD/DDDD ----> S
...
will not.
Thanks,
--Alex
pat_thaler@xxxxxxxxxxx wrote:
> Alex,
>
> I don't ever generate an ECCC/SDDD unless that is what I got from the
> XGMII/XGXS. We don't have a Hamming distance need to propogate an error from
> the XGMII/XGXS column before an S into the packet and the 10GBASE-X based
> Phys won't don't discard such a packet. Therefore, it is fine as it stands.
> An ECCC/SDDD is an S. A frame with 8 control characters and the first
> character is an E so that the receiver will recognize an E frame sent by the
> transmitter as an E frame. All 8 characters will be E in that case, but it
> seemed burdensome to check for 8 Es and the first character being an E is
> enough.
>
> If you do not agree, submit a comment.
>
> Pat
>
> -----Original Message-----
> From: Alex Deng [mailto:adeng@xxxxxxxxx]
> Sent: Tuesday, December 05, 2000 4:08 PM
> To: THALER,PAT (A-Roseville,ex1)
> Cc: stds-802-3-hssg@xxxxxxxx; Alex Deng
> Subject: Re: D2.0 Figure 49-7
>
> Hi Pat,
>
> Another question:
>
> Page 297, 49.2.11.1.1 Constants
> Following your definition, looks like ECCC/SDDD is a S,
> but it should be a E, right?
>
> Thanks,
>
> --Alex
>
> "THALER,PAT (A-Roseville,ex1)" wrote:
>
> > Alex,
> >
> > Looks like I made a cut and past error. The type field for CCCC/ODDD
> should
> > be 0x2d. Since we are in task force ballot, a comment needs to be
> submitted
> > to correct this. Will you put a comment in on it? If not, I will.
> >
> > Pat
> >
> > -----Original Message-----
> > From: Alex Deng [mailto:adeng@xxxxxxxxx]
> > Sent: Tuesday, December 05, 2000 2:28 PM
> > To: THALER,PAT (A-Roseville,ex1)
> > Cc: stds-802-3-hssg@xxxxxxxx; Alex Deng
> > Subject: D2.0 Figure 49-7
> >
> > Hi Pat,
> >
> > In Figure 49-7 -64b/66b Frame Formats:
> > The "Type Field" of the first and second row are the same "0x1e".
> > What's the type field for C0C1C2C3/O4D5D6D7 ?
> >
> > Thanks,
> >
> > --Alex