m_pkthdr.label now moved to m_tag

[Andrew Gallatin]

Robert Watson writes:
 > 
 > Per a discussion here last year some time, I've gone ahead and moved the
 > MAC label from the mbuf packet header structure to optional meta-data in
 > an m_tag.  This should improve the cleanliness of the mbuf header, which
 > is possible now we have m_tags (thanks Sam!), which of course weren't
 > available when we originally did the MAC adaptation of the network stack. 

As one of the chief whiners who objected to having the MAC label in
the pkt hdr, I say: Thank you!

Drew