On Mon, May 14, 2012 at 04:52:10PM +0800, Gao feng wrote:

Currently the sysctl of netfilter proto is not isolated, so when
changing proto's sysctl in container will cause the host's sysctl
be changed too. it's not expected.

This patch set adds the namespace support for netfilter protos.

impletement four pernet_operations to register sysctl and initial
pernet data for proto.

-ipv4_net_ops is used to register tcp4(compat),
 udp4(compat),icmp(compat),ipv4(compat).
-ipv6_net_ops is used to register tcp6,udp6 and icmpv6.
-sctp_net_ops is used to register sctp4(compat) and sctp6.
-udplite_net_ops is used to register udplite4 and udplite6

extern l[3,4]proto (sysctl) register functions to make them support
namespace.

finailly add namespace support for cttimeout.

This requires another spin. It looks way better than previous version
but I don't want to take the patchset and then send another batch to
David to remove the .compat field, the unrequired export of couple of
symbols, and so on...

Thanks!