[NETNS][FRAGS]: Duplicate sysctl tables for new namespaces.

Each namespace has to have own tables to tune their
different parameters, so duplicate the tables and
register them.

All the tables in sub-namespaces are temporarily made
read-only.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 0 deletions

diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 80680e09443..15a0b052df2 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -16,6 +16,7 @@ struct sock;
 struct netns_ipv4 {
 #ifdef CONFIG_SYSCTL
         struct ctl_table_header *forw_hdr;
+        struct ctl_table_header *frags_hdr;
 #endif
         struct ipv4_devconf     *devconf_all;
         struct ipv4_devconf     *devconf_dflt;
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 057c8e473a7..87ab56ab93f 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -12,6 +12,7 @@ struct ctl_table_header;
 struct netns_sysctl_ipv6 {
 #ifdef CONFIG_SYSCTL
         struct ctl_table_header *table;
+        struct ctl_table_header *frags_hdr;
 #endif
         struct inet_frags_ctl frags;
         int bindv6only;