net: Rename net/nexthop.h net/rtnh.h

The header contains rtnh_ macros so rename the file accordingly.
Allows a later patch to use the nexthop.h name for the new
nexthop code.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/nexthop.h → include/net/rtnh.h

 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __NET_NEXTHOP_H
-#define __NET_NEXTHOP_H
+#ifndef __NET_RTNH_H
+#define __NET_RTNH_H
 
 #include <linux/rtnetlink.h>
 #include <net/netlink.h>

net/core/lwtunnel.c

@@ -26,7 +26,7 @@
 #include <net/lwtunnel.h>
 #include <net/rtnetlink.h>
 #include <net/ip6_fib.h>
-#include <net/nexthop.h>
+#include <net/rtnh.h>
 
 #ifdef CONFIG_MODULES
 

net/decnet/dn_fib.c

@@ -42,7 +42,7 @@
 #include <net/dn_fib.h>
 #include <net/dn_neigh.h>
 #include <net/dn_dev.h>
-#include <net/nexthop.h>
+#include <net/rtnh.h>
 
 #define RT_MIN_TABLE 1
 

net/ipv4/fib_semantics.c

@@ -43,7 +43,7 @@
 #include <net/ip_fib.h>
 #include <net/ip6_fib.h>
 #include <net/netlink.h>
-#include <net/nexthop.h>
+#include <net/rtnh.h>
 #include <net/lwtunnel.h>
 #include <net/fib_notifier.h>
 #include <net/addrconf.h>

net/ipv4/ipmr.c

@@ -66,7 +66,7 @@
 #include <net/netlink.h>
 #include <net/fib_rules.h>
 #include <linux/netconf.h>
-#include <net/nexthop.h>
+#include <net/rtnh.h>
 
 #include <linux/nospec.h>
 

net/ipv6/route.c

@@ -59,7 +59,7 @@
 #include <net/xfrm.h>
 #include <net/netevent.h>
 #include <net/netlink.h>
-#include <net/nexthop.h>
+#include <net/rtnh.h>
 #include <net/lwtunnel.h>
 #include <net/ip_tunnels.h>
 #include <net/l3mdev.h>

net/mpls/af_mpls.c

@@ -23,7 +23,7 @@
 #include <net/ipv6.h>
 #endif
 #include <net/ipv6_stubs.h>
-#include <net/nexthop.h>
+#include <net/rtnh.h>
 #include "internal.h"
 
 /* max memory we will use for mpls_route */