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    lib/vsprintf.c: Add %pMF to format FDDI bit reversed MAC addresses · bc7259a2
    Joe Perches 提交于
    On Mon, 2010-01-04 at 23:43 +0000, Maciej W. Rozycki wrote:
    > The example below shows an address, and the sequence of bits or symbols
    > that would be transmitted when the address is used in the Source Address
    > or Destination Address fields on the MAC header.  The transmission line
    > shows the address bits in the order transmitted, from left to right.  For
    > IEEE 802 LANs these correspond to actual bits on the medium.  The FDDI
    > symbols line shows how the FDDI PHY sends the address bits as encoded
    > symbols.
    >
    >         MSB:            35:7B:12:00:00:01
    >         Canonical:      AC-DE-48-00-00-80
    >         Transmission:   00110101 01111011 00010010 00000000 00000000 00000001
    >         FDDI Symbols:   35 7B 12 00 00 01"
    >
    > Please note that this address has its group bit clear.
    >
    >  This notation is also defined in the "FDDI MEDIA ACCESS CONTROL-2
    > (MAC-2)" (X3T9/92-120) document although that book does not have a need
    > to use the MSB form and it's skipped.
    
    Adds 6 bytes to object size for x86
    
    New:
    $ size lib/vsprintf.o
       text	   data	    bss	    dec	    hex	filename
       8664	      0	      2	   8666	   21da	lib/vsprintf.o
    $ size lib/vsprintf.o
       text    data     bss     dec     hex filename
       8658       0       2    8660    21d4 lib/vsprintf.o
    Signed-off-by: NJoe Perches <joe@perches.com>
    Signed-off-by: NDavid S. Miller <davem@davemloft.net>
    bc7259a2
vsprintf.c 48.8 KB