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authorAndrey Vagin <avagin@openvz.org>2013-03-21 17:33:48 +0100
committerDavid S. Miller <davem@davemloft.net>2013-03-21 17:38:03 +0100
commiteaaa31392690c7609f7afeec5ba38a79d009842d (patch)
tree226d0deb15b150c1473b5f813414330d28814855 /net/netlink/Makefile
parentnet: prepare netlink code for netlink diag (diff)
downloadlinux-eaaa31392690c7609f7afeec5ba38a79d009842d.tar.xz
linux-eaaa31392690c7609f7afeec5ba38a79d009842d.zip
netlink: Diag core and basic socket info dumping (v2)
The netlink_diag can be built as a module, just like it's done in unix sockets. The core dumping message carries the basic info about netlink sockets: family, type and protocol, portis, dst_group, dst_portid, state. Groups can be received as an optional parameter NETLINK_DIAG_GROUPS. Netlink sockets cab be filtered by protocols. The socket inode number and cookie is reserved for future per-socket info retrieving. The per-protocol filtering is also reserved for future by requiring the sdiag_protocol to be zero. The file /proc/net/netlink doesn't provide enough information for dumping netlink sockets. It doesn't provide dst_group, dst_portid, groups above 32. v2: fix NETLINK_DIAG_MAX. Now it's equal to the last constant. Acked-by: Pavel Emelyanov <xemul@parallels.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink/Makefile')
-rw-r--r--net/netlink/Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netlink/Makefile b/net/netlink/Makefile
index bdd6ddf4e95b..e837917f6c03 100644
--- a/net/netlink/Makefile
+++ b/net/netlink/Makefile
@@ -3,3 +3,6 @@
#
obj-y := af_netlink.o genetlink.o
+
+obj-$(CONFIG_NETLINK_DIAG) += netlink_diag.o
+netlink_diag-y := diag.o