1 files changed, 0 insertions, 82 deletions
diff --git a/net/netfilter/nf_nat_proto_dccp.c b/net/netfilter/nf_nat_proto_dccp.c
deleted file mode 100644
index 67ea0d83aa5a..000000000000
--- a/net/netfilter/nf_nat_proto_dccp.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * DCCP NAT protocol helper
- *
- * Copyright (c) 2005, 2006, 2008 Patrick McHardy <kaber@trash.net>
- *
- * 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/kernel.h>
-#include <linux/skbuff.h>
-#include <linux/dccp.h>
-
-#include <net/netfilter/nf_conntrack.h>
-#include <net/netfilter/nf_nat.h>
-#include <net/netfilter/nf_nat_l3proto.h>
-#include <net/netfilter/nf_nat_l4proto.h>
-
-static u_int16_t dccp_port_rover;
-
-static void
-dccp_unique_tuple(const struct nf_nat_l3proto *l3proto,
-		  struct nf_conntrack_tuple *tuple,
-		  const struct nf_nat_range2 *range,
-		  enum nf_nat_manip_type maniptype,
-		  const struct nf_conn *ct)
-{
-	nf_nat_l4proto_unique_tuple(l3proto, tuple, range, maniptype, ct,
-				    &dccp_port_rover);
-}
-
-static bool
-dccp_manip_pkt(struct sk_buff *skb,
-	       const struct nf_nat_l3proto *l3proto,
-	       unsigned int iphdroff, unsigned int hdroff,
-	       const struct nf_conntrack_tuple *tuple,
-	       enum nf_nat_manip_type maniptype)
-{
-	struct dccp_hdr *hdr;
-	__be16 *portptr, oldport, newport;
-	int hdrsize = 8; /* DCCP connection tracking guarantees this much */
-
-	if (skb->len >= hdroff + sizeof(struct dccp_hdr))
-		hdrsize = sizeof(struct dccp_hdr);
-
-	if (!skb_make_writable(skb, hdroff + hdrsize))
-		return false;
-
-	hdr = (struct dccp_hdr *)(skb->data + hdroff);
-
-	if (maniptype == NF_NAT_MANIP_SRC) {
-		newport = tuple->src.u.dccp.port;
-		portptr = &hdr->dccph_sport;
-	} else {
-		newport = tuple->dst.u.dccp.port;
-		portptr = &hdr->dccph_dport;
-	}
-
-	oldport = *portptr;
-	*portptr = newport;
-
-	if (hdrsize < sizeof(*hdr))
-		return true;
-
-	l3proto->csum_update(skb, iphdroff, &hdr->dccph_checksum,
-			     tuple, maniptype);
-	inet_proto_csum_replace2(&hdr->dccph_checksum, skb, oldport, newport,
-				 false);
-	return true;
-}
-
-const struct nf_nat_l4proto nf_nat_l4proto_dccp = {
-	.l4proto		= IPPROTO_DCCP,
-	.manip_pkt		= dccp_manip_pkt,
-	.in_range		= nf_nat_l4proto_in_range,
-	.unique_tuple		= dccp_unique_tuple,
-#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
-	.nlattr_to_range	= nf_nat_l4proto_nlattr_to_range,
-#endif
-};