net: Document dst->obsolete better.
authorDavid S. Miller <davem@davemloft.net>
Thu, 19 Jul 2012 19:31:33 +0000 (12:31 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 20 Jul 2012 20:31:21 +0000 (13:31 -0700)
commitf5b0a8743601a4477419171f5046bd07d1c080a0
tree92e17ec293c3d0e35a0deda5d3bbf43710fb96ff
parentf8126f1d5136be1ca1a3536d43ad7a710b5620f8
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>
include/net/dst.h
net/core/dst.c
net/decnet/dn_route.c
net/ipv4/route.c
net/ipv6/route.c
net/sctp/transport.c
net/xfrm/xfrm_policy.c