--- zzzz-none-000/linux-4.1.52/net/ipv4/ip_options.c	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/net/ipv4/ip_options.c	2022-03-02 11:37:13.000000000 +0000
@@ -237,6 +237,9 @@
 	opt->ts_needaddr = 0;
 	opt->ts_needtime = 0;
 }
+#if defined(CONFIG_BCM_KF_MAP) && (defined(CONFIG_BCM_MAP) || defined(CONFIG_BCM_MAP_MODULE))
+EXPORT_SYMBOL(ip_options_fragment);
+#endif
 
 /* helper used by ip_options_compile() to call fib_compute_spec_dst()
  * at most one time.