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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 06/20] netfilter: ipt_CLUSTERIP: make clusterip_list per net namespace
Date: Mon,  4 Nov 2013 22:50:28 +0100	[thread overview]
Message-ID: <1383601842-4570-7-git-send-email-pablo@netfilter.org> (raw)
In-Reply-To: <1383601842-4570-1-git-send-email-pablo@netfilter.org>

From: Gao feng <gaofeng@cn.fujitsu.com>

clusterip_configs should be per net namespace, so operate
cluster in one net namespace won't affect other net
namespace. right now, only allow to operate the clusterip_configs
of init net namespace.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/ipv4/netfilter/ipt_CLUSTERIP.c |   12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index e66b91b..8ef3e6f 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -58,8 +58,6 @@ struct clusterip_config {
 	struct rcu_head rcu;
 };
 
-static LIST_HEAD(clusterip_configs);
-
 /* clusterip_lock protects the clusterip_configs list */
 static DEFINE_SPINLOCK(clusterip_lock);
 
@@ -70,6 +68,7 @@ static const struct file_operations clusterip_proc_fops;
 static int clusterip_net_id __read_mostly;
 
 struct clusterip_net {
+	struct list_head configs;
 #ifdef CONFIG_PROC_FS
 	struct proc_dir_entry *procdir;
 #endif
@@ -124,8 +123,9 @@ static struct clusterip_config *
 __clusterip_config_find(__be32 clusterip)
 {
 	struct clusterip_config *c;
+	struct clusterip_net *cn = net_generic(&init_net, clusterip_net_id);
 
-	list_for_each_entry_rcu(c, &clusterip_configs, list) {
+	list_for_each_entry_rcu(c, &cn->configs, list) {
 		if (c->clusterip == clusterip)
 			return c;
 	}
@@ -199,7 +199,7 @@ clusterip_config_init(const struct ipt_clusterip_tgt_info *i, __be32 ip,
 #endif
 
 	spin_lock_bh(&clusterip_lock);
-	list_add_rcu(&c->list, &clusterip_configs);
+	list_add_rcu(&c->list, &cn->configs);
 	spin_unlock_bh(&clusterip_lock);
 
 	return c;
@@ -709,9 +709,11 @@ static const struct file_operations clusterip_proc_fops = {
 
 static int clusterip_net_init(struct net *net)
 {
-#ifdef CONFIG_PROC_FS
 	struct clusterip_net *cn = net_generic(net, clusterip_net_id);
 
+	INIT_LIST_HEAD(&cn->configs);
+
+#ifdef CONFIG_PROC_FS
 	cn->procdir = proc_mkdir("ipt_CLUSTERIP", net->proc_net);
 	if (!cn->procdir) {
 		pr_err("Unable to proc dir entry\n");
-- 
1.7.10.4


  parent reply	other threads:[~2013-11-04 21:50 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-04 21:50 [PATCH 00/20] Netfilter/IPVS updates for net-next Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 01/20] ipvs: fix the IPVS_CMD_ATTR_MAX definition Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 02/20] ipvs: avoid rcu_barrier during netns cleanup Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 03/20] ipvs: improved SH fallback strategy Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 04/20] netfilter: xt_socket: use sock_gen_put() Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 05/20] netfilter: ipt_CLUSTERIP: make proc directory per net namespace Pablo Neira Ayuso
2013-11-04 21:50 ` Pablo Neira Ayuso [this message]
2013-11-04 21:50 ` [PATCH 07/20] netfilter: ipt_CLUSTERIP: make clusterip_lock " Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 08/20] netfilter: ipt_CLUSTERIP: add parameter net in clusterip_config_find_get Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 09/20] netfilter: ipt_CLUSTERIP: create proc entry under proper ipt_CLUSTERIP directory Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 10/20] netfilter: ipt_CLUSTERIP: use proper net namespace to operate CLUSTERIP Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 11/20] netfilter: ipset: Use netlink callback dump args only Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 12/20] netfilter: ipset: The unnamed union initialization may lead to compilation error Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 13/20] netfilter: ip6t_REJECT: skip checksum verification for outgoing ipv6 packets Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 14/20] netfilter:ipset: Fix memory allocation for bitmap:port Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 15/20] netfilter: ipset: remove duplicate define Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 16/20] bridge: netfilter: orphan skb before invoking ip netfilter hooks Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 17/20] net: ipvs: sctp: add missing verdict assignments in sctp_conn_schedule Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 18/20] net: ipvs: sctp: do not recalc sctp csum when ports didn't change Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 19/20] netfilter: introduce nf_conn_acct structure Pablo Neira Ayuso
2013-11-04 21:50 ` [PATCH 20/20] netfilter: ctnetlink: account both directions in one step Pablo Neira Ayuso
2013-11-05  0:47 ` [PATCH 00/20] Netfilter/IPVS updates for net-next David Miller

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