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Date: Wed, 17 Jun 2015 10:28:37 -0500
From: "Eric W. Biederman" <ebiederm@...ssion.com>
To: David Miller <davem@...emloft.net>
Cc: <netdev@...r.kernel.org>, netfilter-devel@...r.kernel.org,
Stephen Hemminger <stephen@...workplumber.org>,
Juanjo Ciarlante <jjciarla@...z.uncu.edu.ar>,
Wensong Zhang <wensong@...ux-vs.org>,
Simon Horman <horms@...ge.net.au>,
Julian Anastasov <ja@....bg>,
Pablo Neira Ayuso <pablo@...filter.org>,
Patrick McHardy <kaber@...sh.net>,
Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
Jamal Hadi Salim <jhs@...atatu.com>,
Steffen Klassert <steffen.klassert@...unet.com>,
Herbert Xu <herbert@...dor.apana.org.au>
Subject: [PATCH net-next 28/43] x_tables: Where possible convert to the new hook registration method
From: Eric W Biederman <ebiederm@...ssion.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
net/ipv4/netfilter/arptable_filter.c | 22 +++-------------------
net/ipv4/netfilter/iptable_filter.c | 20 +++-----------------
net/ipv4/netfilter/iptable_mangle.c | 20 +++-----------------
net/ipv4/netfilter/iptable_raw.c | 20 +++-----------------
net/ipv4/netfilter/iptable_security.c | 23 +++--------------------
net/ipv6/netfilter/ip6table_filter.c | 24 +++---------------------
net/ipv6/netfilter/ip6table_mangle.c | 23 +++--------------------
net/ipv6/netfilter/ip6table_raw.c | 24 +++---------------------
net/ipv6/netfilter/ip6table_security.c | 23 +++--------------------
9 files changed, 27 insertions(+), 172 deletions(-)
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index 40fd714dafd1..90c70cf0cd5d 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -17,12 +17,14 @@ MODULE_DESCRIPTION("arptables filter table");
#define FILTER_VALID_HOOKS ((1 << NF_ARP_IN) | (1 << NF_ARP_OUT) | \
(1 << NF_ARP_FORWARD))
+static xt_hookfn arptable_filter_hook;
static const struct xt_table packet_filter = {
.name = "filter",
.valid_hooks = FILTER_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_ARP,
.priority = NF_IP_PRI_FILTER,
+ .fn = arptable_filter_hook,
};
/* The work comes in here from netfilter.c */
@@ -33,8 +35,6 @@ arptable_filter_hook(void *priv, struct sk_buff *skb,
return arpt_do_table(skb, state, state->net->ipv4.arptable_filter);
}
-static struct nf_hook_ops *arpfilter_ops __read_mostly;
-
static int __net_init arptable_filter_net_init(struct net *net)
{
struct arpt_replace *repl;
@@ -60,27 +60,11 @@ static struct pernet_operations arptable_filter_net_ops = {
static int __init arptable_filter_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&arptable_filter_net_ops);
- if (ret < 0)
- return ret;
-
- arpfilter_ops = xt_hook_link(&packet_filter, arptable_filter_hook);
- if (IS_ERR(arpfilter_ops)) {
- ret = PTR_ERR(arpfilter_ops);
- goto cleanup_table;
- }
- return ret;
-
-cleanup_table:
- unregister_pernet_subsys(&arptable_filter_net_ops);
- return ret;
+ return register_pernet_subsys(&arptable_filter_net_ops);
}
static void __exit arptable_filter_fini(void)
{
- xt_hook_unlink(&packet_filter, arpfilter_ops);
unregister_pernet_subsys(&arptable_filter_net_ops);
}
diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index 397ef2dd133e..535e3f61a18c 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -24,12 +24,14 @@ MODULE_DESCRIPTION("iptables filter table");
(1 << NF_INET_FORWARD) | \
(1 << NF_INET_LOCAL_OUT))
+static xt_hookfn iptable_filter_hook;
static const struct xt_table packet_filter = {
.name = "filter",
.valid_hooks = FILTER_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV4,
.priority = NF_IP_PRI_FILTER,
+ .fn = iptable_filter_hook,
};
static unsigned int
@@ -45,8 +47,6 @@ iptable_filter_hook(void *priv, struct sk_buff *skb,
return ipt_do_table(skb, state, state->net->ipv4.iptable_filter);
}
-static struct nf_hook_ops *filter_ops __read_mostly;
-
/* Default to forward because I got too much mail already. */
static bool forward = true;
module_param(forward, bool, 0000);
@@ -80,25 +80,11 @@ static struct pernet_operations iptable_filter_net_ops = {
static int __init iptable_filter_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&iptable_filter_net_ops);
- if (ret < 0)
- return ret;
-
- /* Register hooks */
- filter_ops = xt_hook_link(&packet_filter, iptable_filter_hook);
- if (IS_ERR(filter_ops)) {
- ret = PTR_ERR(filter_ops);
- unregister_pernet_subsys(&iptable_filter_net_ops);
- }
-
- return ret;
+ return register_pernet_subsys(&iptable_filter_net_ops);
}
static void __exit iptable_filter_fini(void)
{
- xt_hook_unlink(&packet_filter, filter_ops);
unregister_pernet_subsys(&iptable_filter_net_ops);
}
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index 2d6fc911866f..e88f0fb23bd8 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -28,12 +28,14 @@ MODULE_DESCRIPTION("iptables mangle table");
(1 << NF_INET_LOCAL_OUT) | \
(1 << NF_INET_POST_ROUTING))
+static xt_hookfn iptable_mangle_hook;
static const struct xt_table packet_mangler = {
.name = "mangle",
.valid_hooks = MANGLE_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV4,
.priority = NF_IP_PRI_MANGLE,
+ .fn = iptable_mangle_hook,
};
static unsigned int
@@ -91,8 +93,6 @@ iptable_mangle_hook(void *priv,
return ipt_do_table(skb, state, state->net->ipv4.iptable_mangle);
}
-static struct nf_hook_ops *mangle_ops __read_mostly;
-
static int __net_init iptable_mangle_net_init(struct net *net)
{
struct ipt_replace *repl;
@@ -118,25 +118,11 @@ static struct pernet_operations iptable_mangle_net_ops = {
static int __init iptable_mangle_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&iptable_mangle_net_ops);
- if (ret < 0)
- return ret;
-
- /* Register hooks */
- mangle_ops = xt_hook_link(&packet_mangler, iptable_mangle_hook);
- if (IS_ERR(mangle_ops)) {
- ret = PTR_ERR(mangle_ops);
- unregister_pernet_subsys(&iptable_mangle_net_ops);
- }
-
- return ret;
+ return register_pernet_subsys(&iptable_mangle_net_ops);
}
static void __exit iptable_mangle_fini(void)
{
- xt_hook_unlink(&packet_mangler, mangle_ops);
unregister_pernet_subsys(&iptable_mangle_net_ops);
}
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 1ba02811acb0..bb740ae812e3 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -10,12 +10,14 @@
#define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
+static xt_hookfn iptable_raw_hook;
static const struct xt_table packet_raw = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV4,
.priority = NF_IP_PRI_RAW,
+ .fn = iptable_raw_hook,
};
/* The work comes in here from netfilter.c. */
@@ -32,8 +34,6 @@ iptable_raw_hook(void *priv, struct sk_buff *skb,
return ipt_do_table(skb, state, state->net->ipv4.iptable_raw);
}
-static struct nf_hook_ops *rawtable_ops __read_mostly;
-
static int __net_init iptable_raw_net_init(struct net *net)
{
struct ipt_replace *repl;
@@ -59,25 +59,11 @@ static struct pernet_operations iptable_raw_net_ops = {
static int __init iptable_raw_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&iptable_raw_net_ops);
- if (ret < 0)
- return ret;
-
- /* Register hooks */
- rawtable_ops = xt_hook_link(&packet_raw, iptable_raw_hook);
- if (IS_ERR(rawtable_ops)) {
- ret = PTR_ERR(rawtable_ops);
- unregister_pernet_subsys(&iptable_raw_net_ops);
- }
-
- return ret;
+ return register_pernet_subsys(&iptable_raw_net_ops);
}
static void __exit iptable_raw_fini(void)
{
- xt_hook_unlink(&packet_raw, rawtable_ops);
unregister_pernet_subsys(&iptable_raw_net_ops);
}
diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c
index f534e2f05bad..9a16b8343673 100644
--- a/net/ipv4/netfilter/iptable_security.c
+++ b/net/ipv4/netfilter/iptable_security.c
@@ -28,12 +28,14 @@ MODULE_DESCRIPTION("iptables security table, for MAC rules");
(1 << NF_INET_FORWARD) | \
(1 << NF_INET_LOCAL_OUT)
+static xt_hookfn iptable_security_hook;
static const struct xt_table security_table = {
.name = "security",
.valid_hooks = SECURITY_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV4,
.priority = NF_IP_PRI_SECURITY,
+ .fn = iptable_security_hook,
};
static unsigned int
@@ -49,8 +51,6 @@ iptable_security_hook(void *priv, struct sk_buff *skb,
return ipt_do_table(skb, state, state->net->ipv4.iptable_security);
}
-static struct nf_hook_ops *sectbl_ops __read_mostly;
-
static int __net_init iptable_security_net_init(struct net *net)
{
struct ipt_replace *repl;
@@ -76,28 +76,11 @@ static struct pernet_operations iptable_security_net_ops = {
static int __init iptable_security_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&iptable_security_net_ops);
- if (ret < 0)
- return ret;
-
- sectbl_ops = xt_hook_link(&security_table, iptable_security_hook);
- if (IS_ERR(sectbl_ops)) {
- ret = PTR_ERR(sectbl_ops);
- goto cleanup_table;
- }
-
- return ret;
-
-cleanup_table:
- unregister_pernet_subsys(&iptable_security_net_ops);
- return ret;
+ return register_pernet_subsys(&iptable_security_net_ops);
}
static void __exit iptable_security_fini(void)
{
- xt_hook_unlink(&security_table, sectbl_ops);
unregister_pernet_subsys(&iptable_security_net_ops);
}
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 8b277b983ca5..8b30c57aba79 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -22,12 +22,14 @@ MODULE_DESCRIPTION("ip6tables filter table");
(1 << NF_INET_FORWARD) | \
(1 << NF_INET_LOCAL_OUT))
+static xt_hookfn ip6table_filter_hook;
static const struct xt_table packet_filter = {
.name = "filter",
.valid_hooks = FILTER_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_FILTER,
+ .fn = ip6table_filter_hook,
};
/* The work comes in here from netfilter.c. */
@@ -38,8 +40,6 @@ ip6table_filter_hook(void *priv, struct sk_buff *skb,
return ip6t_do_table(skb, state, state->net->ipv6.ip6table_filter);
}
-static struct nf_hook_ops *filter_ops __read_mostly;
-
/* Default to forward because I got too much mail already. */
static bool forward = true;
module_param(forward, bool, 0000);
@@ -73,29 +73,11 @@ static struct pernet_operations ip6table_filter_net_ops = {
static int __init ip6table_filter_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&ip6table_filter_net_ops);
- if (ret < 0)
- return ret;
-
- /* Register hooks */
- filter_ops = xt_hook_link(&packet_filter, ip6table_filter_hook);
- if (IS_ERR(filter_ops)) {
- ret = PTR_ERR(filter_ops);
- goto cleanup_table;
- }
-
- return ret;
-
- cleanup_table:
- unregister_pernet_subsys(&ip6table_filter_net_ops);
- return ret;
+ return register_pernet_subsys(&ip6table_filter_net_ops);
}
static void __exit ip6table_filter_fini(void)
{
- xt_hook_unlink(&packet_filter, filter_ops);
unregister_pernet_subsys(&ip6table_filter_net_ops);
}
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 8745b592b2f6..70304903d36d 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -23,12 +23,14 @@ MODULE_DESCRIPTION("ip6tables mangle table");
(1 << NF_INET_LOCAL_OUT) | \
(1 << NF_INET_POST_ROUTING))
+static xt_hookfn ip6table_mangle_hook;
static const struct xt_table packet_mangler = {
.name = "mangle",
.valid_hooks = MANGLE_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_MANGLE,
+ .fn = ip6table_mangle_hook,
};
static unsigned int
@@ -87,7 +89,6 @@ ip6table_mangle_hook(void *priv, struct sk_buff *skb,
return ip6t_do_table(skb, state, state->net->ipv6.ip6table_mangle);
}
-static struct nf_hook_ops *mangle_ops __read_mostly;
static int __net_init ip6table_mangle_net_init(struct net *net)
{
struct ip6t_replace *repl;
@@ -113,29 +114,11 @@ static struct pernet_operations ip6table_mangle_net_ops = {
static int __init ip6table_mangle_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&ip6table_mangle_net_ops);
- if (ret < 0)
- return ret;
-
- /* Register hooks */
- mangle_ops = xt_hook_link(&packet_mangler, ip6table_mangle_hook);
- if (IS_ERR(mangle_ops)) {
- ret = PTR_ERR(mangle_ops);
- goto cleanup_table;
- }
-
- return ret;
-
- cleanup_table:
- unregister_pernet_subsys(&ip6table_mangle_net_ops);
- return ret;
+ return register_pernet_subsys(&ip6table_mangle_net_ops);
}
static void __exit ip6table_mangle_fini(void)
{
- xt_hook_unlink(&packet_mangler, mangle_ops);
unregister_pernet_subsys(&ip6table_mangle_net_ops);
}
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 9021963565c3..87f65c3ca32f 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -9,12 +9,14 @@
#define RAW_VALID_HOOKS ((1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_OUT))
+static xt_hookfn ip6table_raw_hook;
static const struct xt_table packet_raw = {
.name = "raw",
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_RAW,
+ .fn = ip6table_raw_hook,
};
/* The work comes in here from netfilter.c. */
@@ -25,8 +27,6 @@ ip6table_raw_hook(void *priv, struct sk_buff *skb,
return ip6t_do_table(skb, state, state->net->ipv6.ip6table_raw);
}
-static struct nf_hook_ops *rawtable_ops __read_mostly;
-
static int __net_init ip6table_raw_net_init(struct net *net)
{
struct ip6t_replace *repl;
@@ -52,29 +52,11 @@ static struct pernet_operations ip6table_raw_net_ops = {
static int __init ip6table_raw_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&ip6table_raw_net_ops);
- if (ret < 0)
- return ret;
-
- /* Register hooks */
- rawtable_ops = xt_hook_link(&packet_raw, ip6table_raw_hook);
- if (IS_ERR(rawtable_ops)) {
- ret = PTR_ERR(rawtable_ops);
- goto cleanup_table;
- }
-
- return ret;
-
- cleanup_table:
- unregister_pernet_subsys(&ip6table_raw_net_ops);
- return ret;
+ return register_pernet_subsys(&ip6table_raw_net_ops);
}
static void __exit ip6table_raw_fini(void)
{
- xt_hook_unlink(&packet_raw, rawtable_ops);
unregister_pernet_subsys(&ip6table_raw_net_ops);
}
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
index 0d856fedfeb0..c58f046f4ee9 100644
--- a/net/ipv6/netfilter/ip6table_security.c
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -27,12 +27,14 @@ MODULE_DESCRIPTION("ip6tables security table, for MAC rules");
(1 << NF_INET_FORWARD) | \
(1 << NF_INET_LOCAL_OUT)
+static xt_hookfn ip6table_security_hook;
static const struct xt_table security_table = {
.name = "security",
.valid_hooks = SECURITY_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
.priority = NF_IP6_PRI_SECURITY,
+ .fn = ip6table_security_hook,
};
static unsigned int
@@ -42,8 +44,6 @@ ip6table_security_hook(void *priv, struct sk_buff *skb,
return ip6t_do_table(skb, state, state->net->ipv6.ip6table_security);
}
-static struct nf_hook_ops *sectbl_ops __read_mostly;
-
static int __net_init ip6table_security_net_init(struct net *net)
{
struct ip6t_replace *repl;
@@ -69,28 +69,11 @@ static struct pernet_operations ip6table_security_net_ops = {
static int __init ip6table_security_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&ip6table_security_net_ops);
- if (ret < 0)
- return ret;
-
- sectbl_ops = xt_hook_link(&security_table, ip6table_security_hook);
- if (IS_ERR(sectbl_ops)) {
- ret = PTR_ERR(sectbl_ops);
- goto cleanup_table;
- }
-
- return ret;
-
-cleanup_table:
- unregister_pernet_subsys(&ip6table_security_net_ops);
- return ret;
+ return register_pernet_subsys(&ip6table_security_net_ops);
}
static void __exit ip6table_security_fini(void)
{
- xt_hook_unlink(&security_table, sectbl_ops);
unregister_pernet_subsys(&ip6table_security_net_ops);
}
--
2.2.1
--
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