tree 92e17ec293c3d0e35a0deda5d3bbf43710fb96ff
parent f8126f1d5136be1ca1a3536d43ad7a710b5620f8
author David S. Miller <davem@davemloft.net> 1342726293 -0700
committer David S. Miller <davem@davemloft.net> 1342816281 -0700

net: Document dst->obsolete better.

Add a big comment explaining how the field works, and use defines
instead of magic constants for the values assigned to it.

Suggested by Joe Perches.

Signed-off-by: David S. Miller <davem@davemloft.net>