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author | Joe Perches <joe@perches.com> | 2010-01-07 14:43:50 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2010-01-08 03:58:08 +0300 |
commit | bc7259a2ce764ea16200eb9e53f6e136e918d065 (patch) | |
tree | fd8dede3d068f151051b49ee5efd6d147c518dca /kernel/wait.c | |
parent | cf30273bea4a9d368a31869ccc6ad618e4413b66 (diff) | |
download | linux-bc7259a2ce764ea16200eb9e53f6e136e918d065.tar.xz |
lib/vsprintf.c: Add %pMF to format FDDI bit reversed MAC addresses
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: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/wait.c')
0 files changed, 0 insertions, 0 deletions