1 files changed, 0 insertions, 87 deletions
diff --git a/net/ipv4/netfilter/ip_nat_proto_icmp.c b/net/ipv4/netfilter/ip_nat_proto_icmp.c
deleted file mode 100644
index 22a528ae0380..000000000000
--- a/net/ipv4/netfilter/ip_nat_proto_icmp.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/* (C) 1999-2001 Paul `Rusty' Russell
- * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/netfilter.h>
-#include <linux/ip.h>
-#include <linux/icmp.h>
-#include <linux/if.h>
-
-#include <linux/netfilter_ipv4/ip_nat.h>
-#include <linux/netfilter_ipv4/ip_nat_core.h>
-#include <linux/netfilter_ipv4/ip_nat_rule.h>
-#include <linux/netfilter_ipv4/ip_nat_protocol.h>
-
-static int
-icmp_in_range(const struct ip_conntrack_tuple *tuple,
-	      enum ip_nat_manip_type maniptype,
-	      const union ip_conntrack_manip_proto *min,
-	      const union ip_conntrack_manip_proto *max)
-{
-	return ntohs(tuple->src.u.icmp.id) >= ntohs(min->icmp.id) &&
-	       ntohs(tuple->src.u.icmp.id) <= ntohs(max->icmp.id);
-}
-
-static int
-icmp_unique_tuple(struct ip_conntrack_tuple *tuple,
-		  const struct ip_nat_range *range,
-		  enum ip_nat_manip_type maniptype,
-		  const struct ip_conntrack *conntrack)
-{
-	static u_int16_t id;
-	unsigned int range_size;
-	unsigned int i;
-
-	range_size = ntohs(range->max.icmp.id) - ntohs(range->min.icmp.id) + 1;
-	/* If no range specified... */
-	if (!(range->flags & IP_NAT_RANGE_PROTO_SPECIFIED))
-		range_size = 0xFFFF;
-
-	for (i = 0; i < range_size; i++, id++) {
-		tuple->src.u.icmp.id = htons(ntohs(range->min.icmp.id) +
-					     (id % range_size));
-		if (!ip_nat_used_tuple(tuple, conntrack))
-			return 1;
-	}
-	return 0;
-}
-
-static int
-icmp_manip_pkt(struct sk_buff **pskb,
-	       unsigned int iphdroff,
-	       const struct ip_conntrack_tuple *tuple,
-	       enum ip_nat_manip_type maniptype)
-{
-	struct iphdr *iph = (struct iphdr *)((*pskb)->data + iphdroff);
-	struct icmphdr *hdr;
-	unsigned int hdroff = iphdroff + iph->ihl*4;
-
-	if (!skb_make_writable(pskb, hdroff + sizeof(*hdr)))
-		return 0;
-
-	hdr = (struct icmphdr *)((*pskb)->data + hdroff);
-	nf_proto_csum_replace2(&hdr->checksum, *pskb,
-			       hdr->un.echo.id, tuple->src.u.icmp.id, 0);
-	hdr->un.echo.id = tuple->src.u.icmp.id;
-	return 1;
-}
-
-struct ip_nat_protocol ip_nat_protocol_icmp = {
-	.name			= "ICMP",
-	.protonum		= IPPROTO_ICMP,
-	.me			= THIS_MODULE,
-	.manip_pkt		= icmp_manip_pkt,
-	.in_range		= icmp_in_range,
-	.unique_tuple		= icmp_unique_tuple,
-#if defined(CONFIG_IP_NF_CONNTRACK_NETLINK) || \
-    defined(CONFIG_IP_NF_CONNTRACK_NETLINK_MODULE)
-	.range_to_nfattr	= ip_nat_port_range_to_nfattr,
-	.nfattr_to_range	= ip_nat_port_nfattr_to_range,
-#endif
-};