cvs commit: src/sys/net if_var.h

[John Baldwin]

On Tuesday 02 August 2005 01:43 pm, Robert Watson wrote:
> rwatson     2005-08-02 17:43:35 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/net              if_var.h
>   Log:
>   Add if_addr_mtx to struct ifnet, a mutex to protect ifnet-related address
>   lists.  Add accessor macros.
>
>   This changes the size of struct ifnet, but ideally, all ifnet consumers
>   are now using if_alloc() to allocate these structures rather than
>   embedding them into device driver softc's, so this won't modify the
>   network device driver ABI.
>
>   MFC after:      1 week

It still modifies the ABI because of all the code that does 'ifp->if_foo' 
unless you've added it to the end.

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org