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From: Luigi Rizzo <luigi@FreeBSD.org>
Date: Sat, 17 Apr 2004 18:15:32 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/net if_arp.h if_ethersubr.c if_fddisubr.c
 if_iso88025subr.c if_var.h src/sys/netgraph ng_eiface.c ng_ether.c
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luigi       2004/04/17 18:15:32 PDT

  FreeBSD src repository

  Modified files:
    sys/net              if_arp.h if_ethersubr.c if_fddisubr.c 
                         if_iso88025subr.c if_var.h 
    sys/netgraph         ng_eiface.c ng_ether.c 
  Log:
  + rename and document an unused field in struct arpcom (field is still
    there so there are no ABI changes);
  + replace 5 redefinitions of the IPF2AC macro with one in if_arp.h
  
  Eventually (but before freezing the ABI) we need to get rid of
  struct arpcom (initially with the help of some smart #defines
  to avoid having to touch each and every driver, see below).
  
  Apart from the struct ifnet, struct arpcom now only stores a copy
  of the MAC address (ac_enaddr, but we already have another copy in
  the struct ifnet -- if_addrhead), and a netgraph-specific field
  which is _always_ accessed through the ifp, so it might well go
  into the struct ifnet too (where, besides, there is already an entry
  for AF_NETGRAPH data...)
  
  Too bad ac_enaddr is widely referenced by all drivers. But
  this can be fixed as follows:
  
  #define ac_enaddr       ac_if.the_original_ac_enaddr_in_struct_ifnet
  
  (note that the right hand side would likely be a pointer rather than
  the base address of an array.)
  
  Revision  Changes    Path
  1.19      +5 -1      src/sys/net/if_arp.h
  1.166     +0 -1      src/sys/net/if_ethersubr.c
  1.91      +0 -1      src/sys/net/if_fddisubr.c
  1.62      +0 -1      src/sys/net/if_iso88025subr.c
  1.72      +4 -0      src/sys/net/if_var.h
  1.13      +0 -1      src/sys/netgraph/ng_eiface.c
  1.33      +0 -1      src/sys/netgraph/ng_ether.c