git: ethernet: Add ether_demux(), which will send the packet to the correct netisr

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 48242f4767c5268dbf0a23b3be42fafb34d7e25f
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Sun Jul 24 15:24:34 2011 +0800

    ethernet: Add ether_demux(), which will send the packet to the correct netisr
    
    It is intended to be used by the function which does not know whether
    the current thread is the correct netisr for the ethernet packet or not.
    
    Currently only ng_ether uses this function, which incorrectly called
    ether_demux_oncpu().  The other two callers of ether_demux_oncpu() are
    already on the correct netisr.
    
    This paves the way to avoid requeuing the packet to the current netisr
    in the ether_demux_oncpu().

Summary of changes:
 sys/net/if_ethersubr.c        |   34 ++++++++++++++++++++++++++++++++++
 sys/net/if_var.h              |    1 +
 sys/netgraph/ether/ng_ether.c |    7 +------
 3 files changed, 36 insertions(+), 6 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/48242f4767c5268dbf0a23b3be42fafb34d7e25f


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