The ipv4_devconf_(all) and ipv4_devconf_dflt are currently
global, but should be per-namespace.
This set moves them on the struct net. Or, more precisely,
on the struct netns_ipv4, which in turn is on the struct net.
There are two minor things that are to be done additionally
to this set:
1. The snmp_seq_show() needs the IPV4_DEVCONF_ALL(FORWARDING)
value, but since this entry is still global no valid struct
net can be get in it, so I use the init_net's one. After
snmp is made per-namespace, this will be fixed easily.
2. The rt_fill_info() needs the IPV4_DEVCONF_ALL(MC_FORWARDING),
but the routing code is not tuned to work inside namespaces
yet, so I use the init_net in it as well. Denis is currently
working on ipv4 routing, so this will be prepared shortly.
Happily, all the other places of devconf-s usage can provide a
struct net pointer.
Signed-off-by: Pavel Emelyanov <[EMAIL PROTECTED]>
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