inetpeer: add namespace support for inetpeer

now inetpeer doesn't support namespace,the information will
be leaking across namespace.

this patch move the global vars v4_peers and v6_peers to
netns_ipv4 and netns_ipv6 as a field peers.

add struct pernet_operations inetpeer_ops to initial pernet
inetpeer data.

and change family_to_base and inet_getpeer to support namespace.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index b42be53587ba..df0a5456a3fd 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -33,6 +33,7 @@ struct netns_ipv6 {
         struct netns_sysctl_ipv6 sysctl;
         struct ipv6_devconf     *devconf_all;
         struct ipv6_devconf     *devconf_dflt;
+        struct inet_peer_base   *peers;
         struct netns_frags      frags;
 #ifdef CONFIG_NETFILTER
         struct xt_table         *ip6table_filter;