netfilter: remove xt_NOTRACK

It was scheduled to be removed for a long time.

Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netfilter@vger.kernel.org
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

3 files changed, 0 insertions, 67 deletions

diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 052836e2490e..3f4b3b4a7762 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -670,19 +670,6 @@ config NETFILTER_XT_TARGET_NFQUEUE
 
 	  To compile it as a module, choose M here.  If unsure, say N.
 
-config NETFILTER_XT_TARGET_NOTRACK
-	tristate  '"NOTRACK" target support'
-	depends on IP_NF_RAW || IP6_NF_RAW
-	depends on NF_CONNTRACK
-	help
-	  The NOTRACK target allows a select rule to specify
-	  which packets *not* to enter the conntrack/NAT
-	  subsystem with all the consequences (no ICMP error tracking,
-	  no protocol helpers for the selected packets).
-
-	  If you want to compile it as a module, say M here and read
-	  <file:Documentation/kbuild/modules.txt>.  If unsure, say `N'.
-
 config NETFILTER_XT_TARGET_RATEEST
 	tristate '"RATEEST" target support'
 	depends on NETFILTER_ADVANCED
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index 403ea8125884..98244d4c75f2 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -85,7 +85,6 @@ obj-$(CONFIG_NETFILTER_XT_TARGET_LED) += xt_LED.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_LOG) += xt_LOG.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_NFLOG) += xt_NFLOG.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_NFQUEUE) += xt_NFQUEUE.o
-obj-$(CONFIG_NETFILTER_XT_TARGET_NOTRACK) += xt_NOTRACK.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_RATEEST) += xt_RATEEST.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_SECMARK) += xt_SECMARK.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_TPROXY) += xt_TPROXY.o
diff --git a/net/netfilter/xt_NOTRACK.c b/net/netfilter/xt_NOTRACK.c
deleted file mode 100644
index 9d782181b6c8..000000000000
--- a/net/netfilter/xt_NOTRACK.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* This is a module which is used for setting up fake conntracks
- * on packets so that they are not seen by the conntrack/NAT code.
- */
-#include <linux/module.h>
-#include <linux/skbuff.h>
-
-#include <linux/netfilter/x_tables.h>
-#include <net/netfilter/nf_conntrack.h>
-
-MODULE_DESCRIPTION("Xtables: Disabling connection tracking for packets");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("ipt_NOTRACK");
-MODULE_ALIAS("ip6t_NOTRACK");
-
-static unsigned int
-notrack_tg(struct sk_buff *skb, const struct xt_action_param *par)
-{
-	/* Previously seen (loopback)? Ignore. */
-	if (skb->nfct != NULL)
-		return XT_CONTINUE;
-
-	/* Attach fake conntrack entry.
-	   If there is a real ct entry correspondig to this packet,
-	   it'll hang aroun till timing out. We don't deal with it
-	   for performance reasons. JK */
-	skb->nfct = &nf_ct_untracked_get()->ct_general;
-	skb->nfctinfo = IP_CT_NEW;
-	nf_conntrack_get(skb->nfct);
-
-	return XT_CONTINUE;
-}
-
-static struct xt_target notrack_tg_reg __read_mostly = {
-	.name     = "NOTRACK",
-	.revision = 0,
-	.family   = NFPROTO_UNSPEC,
-	.target   = notrack_tg,
-	.table    = "raw",
-	.me       = THIS_MODULE,
-};
-
-static int __init notrack_tg_init(void)
-{
-	return xt_register_target(&notrack_tg_reg);
-}
-
-static void __exit notrack_tg_exit(void)
-{
-	xt_unregister_target(&notrack_tg_reg);
-}
-
-module_init(notrack_tg_init);
-module_exit(notrack_tg_exit);