[c-nsp] ToS equivalent to IP Precedence?

[Dave Temkin]

Noting that the range of ToS bits is 0-255, is there a way to directly
equate a ToS bit of say, 8, to an IP precedence?  My understanding is
that a ToS of 8 is equal to precedence 1?  Is this correct?  I may be way
off...

I have a situation where I can reflect the ToS bit into a tunneled packet
but I'm trying to figure out how to set the ToS bit so that I can do
things prec-based.

Thanks,
-Dave