1 files changed, 0 insertions, 120 deletions
diff --git a/net/netfilter/nf_nat_proto_common.c b/net/netfilter/nf_nat_proto_common.c
deleted file mode 100644
index 5d849d835561..000000000000
--- a/net/netfilter/nf_nat_proto_common.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/* (C) 1999-2001 Paul `Rusty' Russell
- * (C) 2002-2006 Netfilter Core Team <coreteam@netfilter.org>
- * (C) 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/types.h>
-#include <linux/random.h>
-#include <linux/netfilter.h>
-#include <linux/export.h>
-
-#include <net/netfilter/nf_nat.h>
-#include <net/netfilter/nf_nat_core.h>
-#include <net/netfilter/nf_nat_l3proto.h>
-#include <net/netfilter/nf_nat_l4proto.h>
-
-bool nf_nat_l4proto_in_range(const struct nf_conntrack_tuple *tuple,
-			     enum nf_nat_manip_type maniptype,
-			     const union nf_conntrack_man_proto *min,
-			     const union nf_conntrack_man_proto *max)
-{
-	__be16 port;
-
-	if (maniptype == NF_NAT_MANIP_SRC)
-		port = tuple->src.u.all;
-	else
-		port = tuple->dst.u.all;
-
-	return ntohs(port) >= ntohs(min->all) &&
-	       ntohs(port) <= ntohs(max->all);
-}
-EXPORT_SYMBOL_GPL(nf_nat_l4proto_in_range);
-
-void nf_nat_l4proto_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,
-				 u16 *rover)
-{
-	unsigned int range_size, min, max, i;
-	__be16 *portptr;
-	u_int16_t off;
-
-	if (maniptype == NF_NAT_MANIP_SRC)
-		portptr = &tuple->src.u.all;
-	else
-		portptr = &tuple->dst.u.all;
-
-	/* If no range specified... */
-	if (!(range->flags & NF_NAT_RANGE_PROTO_SPECIFIED)) {
-		/* If it's dst rewrite, can't change port */
-		if (maniptype == NF_NAT_MANIP_DST)
-			return;
-
-		if (ntohs(*portptr) < 1024) {
-			/* Loose convention: >> 512 is credential passing */
-			if (ntohs(*portptr) < 512) {
-				min = 1;
-				range_size = 511 - min + 1;
-			} else {
-				min = 600;
-				range_size = 1023 - min + 1;
-			}
-		} else {
-			min = 1024;
-			range_size = 65535 - 1024 + 1;
-		}
-	} else {
-		min = ntohs(range->min_proto.all);
-		max = ntohs(range->max_proto.all);
-		if (unlikely(max < min))
-			swap(max, min);
-		range_size = max - min + 1;
-	}
-
-	if (range->flags & NF_NAT_RANGE_PROTO_RANDOM) {
-		off = l3proto->secure_port(tuple, maniptype == NF_NAT_MANIP_SRC
-						  ? tuple->dst.u.all
-						  : tuple->src.u.all);
-	} else if (range->flags & NF_NAT_RANGE_PROTO_RANDOM_FULLY) {
-		off = prandom_u32();
-	} else if (range->flags & NF_NAT_RANGE_PROTO_OFFSET) {
-		off = (ntohs(*portptr) - ntohs(range->base_proto.all));
-	} else {
-		off = *rover;
-	}
-
-	for (i = 0; ; ++off) {
-		*portptr = htons(min + off % range_size);
-		if (++i != range_size && nf_nat_used_tuple(tuple, ct))
-			continue;
-		if (!(range->flags & (NF_NAT_RANGE_PROTO_RANDOM_ALL|
-					NF_NAT_RANGE_PROTO_OFFSET)))
-			*rover = off;
-		return;
-	}
-}
-EXPORT_SYMBOL_GPL(nf_nat_l4proto_unique_tuple);
-
-#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
-int nf_nat_l4proto_nlattr_to_range(struct nlattr *tb[],
-				   struct nf_nat_range2 *range)
-{
-	if (tb[CTA_PROTONAT_PORT_MIN]) {
-		range->min_proto.all = nla_get_be16(tb[CTA_PROTONAT_PORT_MIN]);
-		range->max_proto.all = range->min_proto.all;
-		range->flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
-	}
-	if (tb[CTA_PROTONAT_PORT_MAX]) {
-		range->max_proto.all = nla_get_be16(tb[CTA_PROTONAT_PORT_MAX]);
-		range->flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
-	}
-	return 0;
-}
-EXPORT_SYMBOL_GPL(nf_nat_l4proto_nlattr_to_range);
-#endif