netlink: implement socket diag for netlink sockets (v2)

v2: fix *_DIAG_MAX constants

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Gao feng <gaofeng@cn.fujitsu.com>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Andrey Vagin <avagin@openvz.org>

Andrey Vagin (3):
  net: fix *_DIAG_MAX constants
  net: prepare netlink code for netlink diag
  netlink: Diag core and basic socket info dumping (v2)

 include/uapi/linux/netlink_diag.h |  42 +++++++++
 include/uapi/linux/packet_diag.h  |   4 +-
 include/uapi/linux/unix_diag.h    |   4 +-
 net/Kconfig                       |   1 +
 net/netlink/Kconfig               |  10 ++
 net/netlink/Makefile              |   3 +
 net/netlink/af_netlink.c          |  59 +-----------
 net/netlink/af_netlink.h          |  62 +++++++++++++
 net/netlink/diag.c                | 188 ++++++++++++++++++++++++++++++++++++++
 9 files changed, 317 insertions(+), 56 deletions(-)
 create mode 100644 include/uapi/linux/netlink_diag.h
 create mode 100644 net/netlink/Kconfig
 create mode 100644 net/netlink/af_netlink.h
 create mode 100644 net/netlink/diag.c

-- 
1.8.1.4

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