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From: Joerg Wunsch <joerg@FreeBSD.ORG>
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Date: Tue, 7 Oct 1997 00:40:36 -0700 (PDT)
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To: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, cvs-sys@FreeBSD.ORG
Subject: cvs commit: src/sys/net if.c
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joerg       1997/10/07 00:40:36 PDT

  Modified files:
    sys/net              if.c 
  Log:
  Ooops, this should have made it into the same commit, but didn't.
  
  Introduce the SIOC[SG]IFGENERIC hooks that can be used to pass an
  arbritrary ioctl subcommand into an interface driver.  Surprisingly
  enough, there was no provision for this already present (except of the
  option of abusing SIOC[SG]IFMEDIA for this).
  
  The idea is that an interface driver can establish ioctl subcommands
  of its own that can't be meaningfully interpreted by the upper layer
  interface ioctl function.  Something like this is required to
  implement a clean solution of passing down things like CHAP secrets or
  PPP options to the /sys/net/if_sppp* files.  (Yes, my CHAP is now
  finally working with it, but i gotta update my kernel to the new
  callout interface before being able to commit _that_.)
  
  Reviewed by:    peter   [long ago, actually]
  
  Revision  Changes    Path
  1.54      +3 -1      src/sys/net/if.c