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Carsten Bormann <c...@tzi.org> wrote:
> On 2020-12-22, at 01:31, Michael Richardson <mcr+i...@sandelman.ca> wrote:
>>
>> #define LT_FCS_LENGTH(x) (((x) & 0xF0000000) >> 28)
>> #define LT_FCS_DATALINK_EXT(x) ((((x) & 0xF) << 28) |
0x04000000)
>>
>> this suggests that the FCS length is really only 3 bits
> 4 bits, really (assuming 32-bit unsigned integers).
The LT_FCS_LENGTH(x) (bit 28) is treated as a flag to say that the thing is
there.
The DATALINK_EXT(x) might be borked here, only accepting odd values, which
would really be a problem. I suspect there are bugs here.
- --
Michael Richardson <mcr+i...@sandelman.ca> . o O ( IPv6 IøT consulting )
Sandelman Software Works Inc, Ottawa and Worldwide
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