All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH nf-next v2 01/10] netfilter: make /proc/net/netfilter pernet
@ 2013-03-25  9:50 Gao feng
  2013-03-25  9:50 ` [PATCH nf-next v2 02/10] netfilter: nf_log: prepar net namespace support for nf_log Gao feng
                   ` (9 more replies)
  0 siblings, 10 replies; 24+ messages in thread
From: Gao feng @ 2013-03-25  9:50 UTC (permalink / raw)
  To: netfilter-devel; +Cc: pablo, Gao feng

Now,only init net has directroy /proc/net/netfilter,
this patch makes this proc dentry pernet.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
---
 include/net/net_namespace.h   |  2 ++
 include/net/netns/netfilter.h | 11 +++++++++++
 net/netfilter/core.c          | 36 +++++++++++++++++++++++++++++++-----
 3 files changed, 44 insertions(+), 5 deletions(-)
 create mode 100644 include/net/netns/netfilter.h

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index de644bc..b176978 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -17,6 +17,7 @@
 #include <net/netns/ipv6.h>
 #include <net/netns/sctp.h>
 #include <net/netns/dccp.h>
+#include <net/netns/netfilter.h>
 #include <net/netns/x_tables.h>
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 #include <net/netns/conntrack.h>
@@ -94,6 +95,7 @@ struct net {
 	struct netns_dccp	dccp;
 #endif
 #ifdef CONFIG_NETFILTER
+	struct netns_nf		nf;
 	struct netns_xt		xt;
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 	struct netns_ct		ct;
diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h
new file mode 100644
index 0000000..248ca1c
--- /dev/null
+++ b/include/net/netns/netfilter.h
@@ -0,0 +1,11 @@
+#ifndef __NETNS_NETFILTER_H
+#define __NETNS_NETFILTER_H
+
+#include <linux/proc_fs.h>
+
+struct netns_nf {
+#if defined CONFIG_PROC_FS
+	struct proc_dir_entry *proc_netfilter;
+#endif
+};
+#endif
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index a9c488b..e054799 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -281,6 +281,35 @@ struct proc_dir_entry *proc_net_netfilter;
 EXPORT_SYMBOL(proc_net_netfilter);
 #endif
 
+static int __net_init netfilter_net_init(struct net *net)
+{
+#ifdef CONFIG_PROC_FS
+	net->nf.proc_netfilter = proc_net_mkdir(net,
+						"netfilter",
+						net->proc_net);
+	if (net_eq(net, &init_net)) {
+		if (!net->nf.proc_netfilter)
+			panic("cannot create netfilter proc entry");
+		else
+			proc_net_netfilter = net->nf.proc_netfilter;
+	} else if (!net->nf.proc_netfilter) {
+		pr_err("cannot create netfilter proc entry");
+		return -ENOMEM;
+	}
+#endif
+	return 0;
+}
+
+static void __net_exit netfilter_net_exit(struct net *net)
+{
+	remove_proc_entry("netfilter", net->proc_net);
+}
+
+static struct pernet_operations netfilter_net_ops = {
+	.init = netfilter_net_init,
+	.exit = netfilter_net_exit,
+};
+
 void __init netfilter_init(void)
 {
 	int i, h;
@@ -289,11 +318,8 @@ void __init netfilter_init(void)
 			INIT_LIST_HEAD(&nf_hooks[i][h]);
 	}
 
-#ifdef CONFIG_PROC_FS
-	proc_net_netfilter = proc_mkdir("netfilter", init_net.proc_net);
-	if (!proc_net_netfilter)
-		panic("cannot create netfilter proc entry");
-#endif
+	if (register_pernet_subsys(&netfilter_net_ops) < 0)
+		return;
 
 	if (netfilter_log_init() < 0)
 		panic("cannot initialize nf_log");
-- 
1.7.11.7


^ permalink raw reply related	[flat|nested] 24+ messages in thread
end of thread, other threads:[~2013-04-08  2:55 UTC | newest]

Thread overview: 24+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-03-25  9:50 [PATCH nf-next v2 01/10] netfilter: make /proc/net/netfilter pernet Gao feng
2013-03-25  9:50 ` [PATCH nf-next v2 02/10] netfilter: nf_log: prepar net namespace support for nf_log Gao feng
2013-04-05 18:30   ` Pablo Neira Ayuso
2013-04-08  2:46     ` Gao feng
2013-03-25  9:50 ` [PATCH nf-next v2 03/10] netfilter: ebt_log: add net namespace support for ebt_log Gao feng
2013-04-05 18:32   ` Pablo Neira Ayuso
2013-04-08  2:50     ` Gao feng
2013-03-25  9:50 ` [PATCH nf-next v2 04/10] netfilter: xt_LOG: add net namespace support for xt_LOG Gao feng
2013-04-05 18:33   ` Pablo Neira Ayuso
2013-04-08  2:50     ` Gao feng
2013-03-25  9:50 ` [PATCH nf-next v2 05/10] netfilter: ebt_ulog: add net namesapce support for ebt_ulog Gao feng
2013-04-05 18:34   ` Pablo Neira Ayuso
2013-03-25  9:50 ` [PATCH nf-next v2 06/10] netfilter: ipt_ulog: add net namespace support for ipt_ulog Gao feng
2013-04-05 18:35   ` Pablo Neira Ayuso
2013-03-25  9:50 ` [PATCH nf-next v2 07/10] netfilter: nfnetlink_log: add net namespace support for nfnetlink_log Gao feng
2013-04-05 18:38   ` Pablo Neira Ayuso
2013-03-25  9:50 ` [PATCH nf-next v2 08/10] netfilter: nf_log: enable nflog in un-init net namespace Gao feng
2013-04-05 18:38   ` Pablo Neira Ayuso
2013-03-25  9:50 ` [PATCH nf-next v2 09/10] netfilter: nfnetlink_queue: add net namespace support for nfnetlink_queue Gao feng
2013-04-05 18:40   ` Pablo Neira Ayuso
2013-03-25  9:50 ` [PATCH nf-next v2 10/10] netfilter: remove useless variable proc_net_netfilter Gao feng
2013-04-05 18:45   ` Pablo Neira Ayuso
2013-04-08  2:56     ` Gao feng
2013-04-05 17:44 ` [PATCH nf-next v2 01/10] netfilter: make /proc/net/netfilter pernet Pablo Neira Ayuso

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.